Parte de Stephanie, tenia problemas subiendo

Podfile

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+# Uncomment the next line to define a global platform for your project
+# platform :ios, '9.0'
+
+target 'Trolley App' do
+  # Comment the next line if you don't want to use dynamic frameworks
+  use_frameworks!
+
+  # Pods for Trolley App
+  pod 'Alamofire', '~> 5.0.0-rc.3'
+end

Podfile.lock

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+PODS:
+  - Alamofire (5.0.0-rc.3)
+
+DEPENDENCIES:
+  - Alamofire (~> 5.0.0-rc.3)
+
+SPEC REPOS:
+  trunk:
+    - Alamofire
+
+SPEC CHECKSUMS:
+  Alamofire: ca8c0de6906873be89d6deec5c8de279e00bf872
+
+PODFILE CHECKSUM: b48a804833d51d78b77457abd4dc6c8ce3d106a2
+
+COCOAPODS: 1.8.4

Pods/Alamofire/LICENSE

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+Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

Pods/Alamofire/README.md

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+![Alamofire: Elegant Networking in Swift](https://raw.githubusercontent.com/Alamofire/Alamofire/master/alamofire.png)
+
+[![Build Status](https://travis-ci.org/Alamofire/Alamofire.svg?branch=master)](https://travis-ci.org/Alamofire/Alamofire)
+[![CocoaPods Compatible](https://img.shields.io/cocoapods/v/Alamofire.svg)](https://img.shields.io/cocoapods/v/Alamofire.svg)
+[![Carthage Compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage)
+[![Platform](https://img.shields.io/cocoapods/p/Alamofire.svg?style=flat)](https://alamofire.github.io/Alamofire)
+[![Twitter](https://img.shields.io/badge/twitter-@AlamofireSF-blue.svg?style=flat)](https://twitter.com/AlamofireSF)
+[![Gitter](https://badges.gitter.im/Alamofire/Alamofire.svg)](https://gitter.im/Alamofire/Alamofire?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
+[![Open Source Helpers](https://www.codetriage.com/alamofire/alamofire/badges/users.svg)](https://www.codetriage.com/alamofire/alamofire)
+
+Alamofire is an HTTP networking library written in Swift.
+
+**⚠️⚠️⚠️ WARNING ⚠️⚠️⚠️** This documentation is out of date during the Alamofire 5 beta process.
+
+- [Features](#features)
+- [Component Libraries](#component-libraries)
+- [Requirements](#requirements)
+- [Migration Guides](#migration-guides)
+- [Communication](#communication)
+- [Installation](#installation)
+- [Usage](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#using-alamofire)
+    - [**Introduction -**](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#introduction) [Making Requests](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#making-requests), [Response Handling](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#response-handling), [Response Validation](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#response-validation), [Response Caching](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#response-caching)
+	- **HTTP -** [HTTP Methods](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#http-methods), [Parameters and Parameter Encoder](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md##request-parameters-and-parameter-encoders), [HTTP Headers](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#http-headers), [Authentication](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#authentication)
+	- **Large Data -** [Downloading Data to a File](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#downloading-data-to-a-file), [Uploading Data to a Server](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#uploading-data-to-a-server)
+	- **Tools -** [Statistical Metrics](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#statistical-metrics), [cURL Command Output](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Usage.md#curl-command-output)
+- [Advanced Usage](https://github.com/Alamofire/Alamofire/blob/master/Documentation/AdvancedUsage.md)
+	- **URL Session -** [Session Manager](https://github.com/Alamofire/Alamofire/blob/master/Documentation/AdvancedUsage.md#session-manager), [Session Delegate](https://github.com/Alamofire/Alamofire/blob/master/Documentation/AdvancedUsage.md#session-delegate), [Request](https://github.com/Alamofire/Alamofire/blob/master/Documentation/AdvancedUsage.md#request)
+	- **Routing -** [Routing Requests](https://github.com/Alamofire/Alamofire/blob/master/Documentation/AdvancedUsage.md#routing-requests), [Adapting and Retrying Requests](https://github.com/Alamofire/Alamofire/blob/master/Documentation/AdvancedUsage.md#adapting-and-retrying-requests)
+	- **Model Objects -** [Custom Response Serialization](https://github.com/Alamofire/Alamofire/blob/master/Documentation/AdvancedUsage.md#custom-response-serialization)
+	- **Connection -** [Security](https://github.com/Alamofire/Alamofire/blob/master/Documentation/AdvancedUsage.md#security), [Network Reachability](https://github.com/Alamofire/Alamofire/blob/master/Documentation/AdvancedUsage.md#network-reachability)
+- [Open Radars](#open-radars)
+- [FAQ](#faq)
+- [Credits](#credits)
+- [Donations](#donations)
+- [License](#license)
+
+## Features
+
+- [x] Chainable Request / Response Methods
+- [x] URL / JSON / plist Parameter Encoding
+- [x] Upload File / Data / Stream / MultipartFormData
+- [x] Download File using Request or Resume Data
+- [x] Authentication with URLCredential
+- [x] HTTP Response Validation
+- [x] Upload and Download Progress Closures with Progress
+- [x] cURL Command Output
+- [x] Dynamically Adapt and Retry Requests
+- [x] TLS Certificate and Public Key Pinning
+- [x] Network Reachability
+- [x] Comprehensive Unit and Integration Test Coverage
+- [x] [Complete Documentation](https://alamofire.github.io/Alamofire)
+
+## Component Libraries
+
+In order to keep Alamofire focused specifically on core networking implementations, additional component libraries have been created by the [Alamofire Software Foundation](https://github.com/Alamofire/Foundation) to bring additional functionality to the Alamofire ecosystem.
+
+- [AlamofireImage](https://github.com/Alamofire/AlamofireImage) - An image library including image response serializers, `UIImage` and `UIImageView` extensions, custom image filters, an auto-purging in-memory cache and a priority-based image downloading system.
+- [AlamofireNetworkActivityIndicator](https://github.com/Alamofire/AlamofireNetworkActivityIndicator) - Controls the visibility of the network activity indicator on iOS using Alamofire. It contains configurable delay timers to help mitigate flicker and can support `URLSession` instances not managed by Alamofire.
+
+## Requirements
+
+- iOS 10.0+ / macOS 10.12+ / tvOS 10.0+ / watchOS 3.0+
+- Xcode 10.2+
+- Swift 5+
+
+## Migration Guides
+
+- Alamofire 5.0 Migration Guide: To be written!
+- [Alamofire 4.0 Migration Guide](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Alamofire%204.0%20Migration%20Guide.md)
+- [Alamofire 3.0 Migration Guide](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Alamofire%203.0%20Migration%20Guide.md)
+- [Alamofire 2.0 Migration Guide](https://github.com/Alamofire/Alamofire/blob/master/Documentation/Alamofire%202.0%20Migration%20Guide.md)
+
+## Communication
+- If you **need help with making network requests** using Alamofire, use [Stack Overflow](https://stackoverflow.com/questions/tagged/alamofire) and tag `alamofire`.
+- If you need to **find or understand an API**, check [our documentation](http://alamofire.github.io/Alamofire/) or [Apple's documentation for `URLSession`](https://developer.apple.com/documentation/foundation/url_loading_system), on top of which Alamofire is built.
+- If you need **help with an Alamofire feature**, use [our forum on swift.org](https://forums.swift.org/c/related-projects/alamofire).
+- If you'd like to **discuss Alamofire best practices**, use [our forum on swift.org](https://forums.swift.org/c/related-projects/alamofire).
+- If you'd like to **discuss a feature request**, use [our forum on swift.org](https://forums.swift.org/c/related-projects/alamofire). 
+- If you **found a bug**, open an issue here on GitHub and follow the guide. The more detail the better!
+- If you **want to contribute**, submit a pull request.
+
+## Installation
+
+### CocoaPods
+
+[CocoaPods](https://cocoapods.org) is a dependency manager for Cocoa projects. For usage and installation instructions, visit their website. To integrate Alamofire into your Xcode project using CocoaPods, specify it in your `Podfile`:
+
+```ruby
+pod 'Alamofire', '~> 5.0.0-rc.3'
+```
+
+### Carthage
+
+[Carthage](https://github.com/Carthage/Carthage) is a decentralized dependency manager that builds your dependencies and provides you with binary frameworks. To integrate Alamofire into your Xcode project using Carthage, specify it in your `Cartfile`:
+
+```ogdl
+github "Alamofire/Alamofire" "5.0.0-rc.3"
+```
+
+### Swift Package Manager
+
+The [Swift Package Manager](https://swift.org/package-manager/) is a tool for automating the distribution of Swift code and is integrated into the `swift` compiler. It is in early development, but Alamofire does support its use on supported platforms.
+
+Once you have your Swift package set up, adding Alamofire as a dependency is as easy as adding it to the `dependencies` value of your `Package.swift`.
+
+```swift
+dependencies: [
+    .package(url: "https://github.com/Alamofire/Alamofire.git", from: "5.0.0-rc.3")
+]
+```
+
+### Manually
+
+If you prefer not to use any of the aforementioned dependency managers, you can integrate Alamofire into your project manually.
+
+#### Embedded Framework
+
+- Open up Terminal, `cd` into your top-level project directory, and run the following command "if" your project is not initialized as a git repository:
+
+  ```bash
+  $ git init
+  ```
+
+- Add Alamofire as a git [submodule](https://git-scm.com/docs/git-submodule) by running the following command:
+
+  ```bash
+  $ git submodule add https://github.com/Alamofire/Alamofire.git
+  ```
+
+- Open the new `Alamofire` folder, and drag the `Alamofire.xcodeproj` into the Project Navigator of your application's Xcode project.
+
+    > It should appear nested underneath your application's blue project icon. Whether it is above or below all the other Xcode groups does not matter.
+
+- Select the `Alamofire.xcodeproj` in the Project Navigator and verify the deployment target matches that of your application target.
+- Next, select your application project in the Project Navigator (blue project icon) to navigate to the target configuration window and select the application target under the "Targets" heading in the sidebar.
+- In the tab bar at the top of that window, open the "General" panel.
+- Click on the `+` button under the "Embedded Binaries" section.
+- You will see two different `Alamofire.xcodeproj` folders each with two different versions of the `Alamofire.framework` nested inside a `Products` folder.
+
+    > It does not matter which `Products` folder you choose from, but it does matter whether you choose the top or bottom `Alamofire.framework`.
+
+- Select the top `Alamofire.framework` for iOS and the bottom one for macOS.
+
+    > You can verify which one you selected by inspecting the build log for your project. The build target for `Alamofire` will be listed as either `Alamofire iOS`, `Alamofire macOS`, `Alamofire tvOS` or `Alamofire watchOS`.
+
+- And that's it!
+
+  > The `Alamofire.framework` is automagically added as a target dependency, linked framework and embedded framework in a copy files build phase which is all you need to build on the simulator and a device.
+
+## Open Radars
+
+The following radars have some effect on the current implementation of Alamofire.
+
+- [`rdar://21349340`](http://www.openradar.me/radar?id=5517037090635776) - Compiler throwing warning due to toll-free bridging issue in test case
+- `rdar://26870455` - Background URL Session Configurations do not work in the simulator
+- `rdar://26849668` - Some URLProtocol APIs do not properly handle `URLRequest`
+
+## Resolved Radars
+
+The following radars have been resolved over time after being filed against the Alamofire project.
+
+- [`rdar://26761490`](http://www.openradar.me/radar?id=5010235949318144) - Swift string interpolation causing memory leak with common usage.
+  - (Resolved): 9/1/17 in Xcode 9 beta 6.
+- [`rdar://36082113`](http://openradar.appspot.com/radar?id=4942308441063424) - `URLSessionTaskMetrics` failing to link on watchOS 3.0+
+  - (Resolved): Just add `CFNetwork` to your linked frameworks.
+  
+## FAQ
+
+### What's the origin of the name Alamofire?
+
+Alamofire is named after the [Alamo Fire flower](https://aggie-horticulture.tamu.edu/wildseed/alamofire.html), a hybrid variant of the Bluebonnet, the official state flower of Texas.
+
+## Credits
+
+Alamofire is owned and maintained by the [Alamofire Software Foundation](http://alamofire.org). You can follow them on Twitter at [@AlamofireSF](https://twitter.com/AlamofireSF) for project updates and releases.
+
+### Security Disclosure
+
+If you believe you have identified a security vulnerability with Alamofire, you should report it as soon as possible via email to security@alamofire.org. Please do not post it to a public issue tracker.
+
+## Donations
+
+The [ASF](https://github.com/Alamofire/Foundation#members) is looking to raise money to officially stay registered as a federal non-profit organization.
+Registering will allow us members to gain some legal protections and also allow us to put donations to use, tax free.
+Donating to the ASF will enable us to:
+
+- Pay our yearly legal fees to keep the non-profit in good status
+- Pay for our mail servers to help us stay on top of all questions and security issues
+- Potentially fund test servers to make it easier for us to test the edge cases
+- Potentially fund developers to work on one of our projects full-time
+
+The community adoption of the ASF libraries has been amazing.
+We are greatly humbled by your enthusiasm around the projects, and want to continue to do everything we can to move the needle forward.
+With your continued support, the ASF will be able to improve its reach and also provide better legal safety for the core members.
+If you use any of our libraries for work, see if your employers would be interested in donating.
+Any amount you can donate today to help us reach our goal would be greatly appreciated.
+
+[![paypal](https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=W34WPEE74APJQ)
+
+## License
+
+Alamofire is released under the MIT license. [See LICENSE](https://github.com/Alamofire/Alamofire/blob/master/LICENSE) for details.

Pods/Alamofire/Source/AFError.swift

@@ -0,0 +1,840 @@
+//
+//  AFError.swift
+//
+//  Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+/// `AFError` is the error type returned by Alamofire. It encompasses a few different types of errors, each with
+/// their own associated reasons.
+public enum AFError: Error {
+    /// The underlying reason the `.multipartEncodingFailed` error occurred.
+    public enum MultipartEncodingFailureReason {
+        /// The `fileURL` provided for reading an encodable body part isn't a file `URL`.
+        case bodyPartURLInvalid(url: URL)
+        /// The filename of the `fileURL` provided has either an empty `lastPathComponent` or `pathExtension.
+        case bodyPartFilenameInvalid(in: URL)
+        /// The file at the `fileURL` provided was not reachable.
+        case bodyPartFileNotReachable(at: URL)
+        /// Attempting to check the reachability of the `fileURL` provided threw an error.
+        case bodyPartFileNotReachableWithError(atURL: URL, error: Error)
+        /// The file at the `fileURL` provided is actually a directory.
+        case bodyPartFileIsDirectory(at: URL)
+        /// The size of the file at the `fileURL` provided was not returned by the system.
+        case bodyPartFileSizeNotAvailable(at: URL)
+        /// The attempt to find the size of the file at the `fileURL` provided threw an error.
+        case bodyPartFileSizeQueryFailedWithError(forURL: URL, error: Error)
+        /// An `InputStream` could not be created for the provided `fileURL`.
+        case bodyPartInputStreamCreationFailed(for: URL)
+        /// An `OutputStream` could not be created when attempting to write the encoded data to disk.
+        case outputStreamCreationFailed(for: URL)
+        /// The encoded body data could not be written to disk because a file already exists at the provided `fileURL`.
+        case outputStreamFileAlreadyExists(at: URL)
+        /// The `fileURL` provided for writing the encoded body data to disk is not a file `URL`.
+        case outputStreamURLInvalid(url: URL)
+        /// The attempt to write the encoded body data to disk failed with an underlying error.
+        case outputStreamWriteFailed(error: Error)
+        /// The attempt to read an encoded body part `InputStream` failed with underlying system error.
+        case inputStreamReadFailed(error: Error)
+    }
+
+    /// The underlying reason the `.parameterEncodingFailed` error occurred.
+    public enum ParameterEncodingFailureReason {
+        /// The `URLRequest` did not have a `URL` to encode.
+        case missingURL
+        /// JSON serialization failed with an underlying system error during the encoding process.
+        case jsonEncodingFailed(error: Error)
+        /// Custom parameter encoding failed due to the associated `Error`.
+        case customEncodingFailed(error: Error)
+    }
+
+    /// The underlying reason the `.parameterEncoderFailed` error occurred.
+    public enum ParameterEncoderFailureReason {
+        /// Possible missing components.
+        public enum RequiredComponent {
+            /// The `URL` was missing or unable to be extracted from the passed `URLRequest` or during encoding.
+            case url
+            /// The `HTTPMethod` could not be extracted from the passed `URLRequest`.
+            case httpMethod(rawValue: String)
+        }
+
+        /// A `RequiredComponent` was missing during encoding.
+        case missingRequiredComponent(RequiredComponent)
+        /// The underlying encoder failed with the associated error.
+        case encoderFailed(error: Error)
+    }
+
+    /// The underlying reason the `.responseValidationFailed` error occurred.
+    public enum ResponseValidationFailureReason {
+        /// The data file containing the server response did not exist.
+        case dataFileNil
+        /// The data file containing the server response at the associated `URL` could not be read.
+        case dataFileReadFailed(at: URL)
+        /// The response did not contain a `Content-Type` and the `acceptableContentTypes` provided did not contain a
+        /// wildcard type.
+        case missingContentType(acceptableContentTypes: [String])
+        /// The response `Content-Type` did not match any type in the provided `acceptableContentTypes`.
+        case unacceptableContentType(acceptableContentTypes: [String], responseContentType: String)
+        /// The response status code was not acceptable.
+        case unacceptableStatusCode(code: Int)
+        /// Custom response validation failed due to the associated `Error`.
+        case customValidationFailed(error: Error)
+    }
+
+    /// The underlying reason the response serialization error occurred.
+    public enum ResponseSerializationFailureReason {
+        /// The server response contained no data or the data was zero length.
+        case inputDataNilOrZeroLength
+        /// The file containing the server response did not exist.
+        case inputFileNil
+        /// The file containing the server response could not be read from the associated `URL`.
+        case inputFileReadFailed(at: URL)
+        /// String serialization failed using the provided `String.Encoding`.
+        case stringSerializationFailed(encoding: String.Encoding)
+        /// JSON serialization failed with an underlying system error.
+        case jsonSerializationFailed(error: Error)
+        /// A `DataDecoder` failed to decode the response due to the associated `Error`.
+        case decodingFailed(error: Error)
+        /// A custom response serializer failed due to the associated `Error`.
+        case customSerializationFailed(error: Error)
+        /// Generic serialization failed for an empty response that wasn't type `Empty` but instead the associated type.
+        case invalidEmptyResponse(type: String)
+    }
+
+    /// Underlying reason a server trust evaluation error occurred.
+    public enum ServerTrustFailureReason {
+        /// The output of a server trust evaluation.
+        public struct Output {
+            /// The host for which the evaluation was performed.
+            public let host: String
+            /// The `SecTrust` value which was evaluated.
+            public let trust: SecTrust
+            /// The `OSStatus` of evaluation operation.
+            public let status: OSStatus
+            /// The result of the evaluation operation.
+            public let result: SecTrustResultType
+
+            /// Creates an `Output` value from the provided values.
+            init(_ host: String, _ trust: SecTrust, _ status: OSStatus, _ result: SecTrustResultType) {
+                self.host = host
+                self.trust = trust
+                self.status = status
+                self.result = result
+            }
+        }
+
+        /// No `ServerTrustEvaluator` was found for the associated host.
+        case noRequiredEvaluator(host: String)
+        /// No certificates were found with which to perform the trust evaluation.
+        case noCertificatesFound
+        /// No public keys were found with which to perform the trust evaluation.
+        case noPublicKeysFound
+        /// During evaluation, application of the associated `SecPolicy` failed.
+        case policyApplicationFailed(trust: SecTrust, policy: SecPolicy, status: OSStatus)
+        /// During evaluation, setting the associated anchor certificates failed.
+        case settingAnchorCertificatesFailed(status: OSStatus, certificates: [SecCertificate])
+        /// During evaluation, creation of the revocation policy failed.
+        case revocationPolicyCreationFailed
+        /// `SecTrust` evaluation failed with the associated `Error`, if one was produced.
+        case trustEvaluationFailed(error: Error?)
+        /// Default evaluation failed with the associated `Output`.
+        case defaultEvaluationFailed(output: Output)
+        /// Host validation failed with the associated `Output`.
+        case hostValidationFailed(output: Output)
+        /// Revocation check failed with the associated `Output` and options.
+        case revocationCheckFailed(output: Output, options: RevocationTrustEvaluator.Options)
+        /// Certificate pinning failed.
+        case certificatePinningFailed(host: String, trust: SecTrust, pinnedCertificates: [SecCertificate], serverCertificates: [SecCertificate])
+        /// Public key pinning failed.
+        case publicKeyPinningFailed(host: String, trust: SecTrust, pinnedKeys: [SecKey], serverKeys: [SecKey])
+        /// Custom server trust evaluation failed due to the associated `Error`.
+        case customEvaluationFailed(error: Error)
+    }
+
+    /// The underlying reason the `.urlRequestValidationFailed`
+    public enum URLRequestValidationFailureReason {
+        /// URLRequest with GET method had body data.
+        case bodyDataInGETRequest(Data)
+    }
+
+    ///  `UploadableConvertible` threw an error in `createUploadable()`.
+    case createUploadableFailed(error: Error)
+    ///  `URLRequestConvertible` threw an error in `asURLRequest()`.
+    case createURLRequestFailed(error: Error)
+    /// `SessionDelegate` threw an error while attempting to move downloaded file to destination URL.
+    case downloadedFileMoveFailed(error: Error, source: URL, destination: URL)
+    /// `Request` was explicitly cancelled.
+    case explicitlyCancelled
+    /// `URLConvertible` type failed to create a valid `URL`.
+    case invalidURL(url: URLConvertible)
+    /// Multipart form encoding failed.
+    case multipartEncodingFailed(reason: MultipartEncodingFailureReason)
+    /// `ParameterEncoding` threw an error during the encoding process.
+    case parameterEncodingFailed(reason: ParameterEncodingFailureReason)
+    /// `ParameterEncoder` threw an error while running the encoder.
+    case parameterEncoderFailed(reason: ParameterEncoderFailureReason)
+    /// `RequestAdapter` threw an error during adaptation.
+    case requestAdaptationFailed(error: Error)
+    /// `RequestRetrier` threw an error during the request retry process.
+    case requestRetryFailed(retryError: Error, originalError: Error)
+    /// Response validation failed.
+    case responseValidationFailed(reason: ResponseValidationFailureReason)
+    /// Response serialization failed.
+    case responseSerializationFailed(reason: ResponseSerializationFailureReason)
+    /// `ServerTrustEvaluating` instance threw an error during trust evaluation.
+    case serverTrustEvaluationFailed(reason: ServerTrustFailureReason)
+    /// `Session` which issued the `Request` was deinitialized, most likely because its reference went out of scope.
+    case sessionDeinitialized
+    /// `Session` was explicitly invalidated, possibly with the `Error` produced by the underlying `URLSession`.
+    case sessionInvalidated(error: Error?)
+    /// `URLSessionTask` completed with error.
+    case sessionTaskFailed(error: Error)
+    /// `URLRequest` failed validation.
+    case urlRequestValidationFailed(reason: URLRequestValidationFailureReason)
+}
+
+extension Error {
+    /// Returns the instance cast as an `AFError`.
+    public var asAFError: AFError? {
+        return self as? AFError
+    }
+
+    /// Returns the instance cast as an `AFError`. If casting fails, a `fatalError` with the specified `message` is thrown.
+    public func asAFError(orFailWith message: @autoclosure () -> String, file: StaticString = #file, line: UInt = #line) -> AFError {
+        guard let afError = self as? AFError else {
+            fatalError(message(), file: file, line: line)
+        }
+        return afError
+    }
+
+    /// Casts the instance as `AFError` or returns `defaultAFError`
+    func asAFError(or defaultAFError: @autoclosure () -> AFError) -> AFError {
+        return self as? AFError ?? defaultAFError()
+    }
+}
+
+// MARK: - Error Booleans
+
+extension AFError {
+    /// Returns whether the instance is `.sessionDeinitialized`.
+    public var isSessionDeinitializedError: Bool {
+        if case .sessionDeinitialized = self { return true }
+        return false
+    }
+
+    /// Returns whether the instance is `.sessionInvalidated`.
+    public var isSessionInvalidatedError: Bool {
+        if case .sessionInvalidated = self { return true }
+        return false
+    }
+
+    /// Returns whether the instance is `.explicitlyCancelled`.
+    public var isExplicitlyCancelledError: Bool {
+        if case .explicitlyCancelled = self { return true }
+        return false
+    }
+
+    /// Returns whether the instance is `.invalidURL`.
+    public var isInvalidURLError: Bool {
+        if case .invalidURL = self { return true }
+        return false
+    }
+
+    /// Returns whether the instance is `.parameterEncodingFailed`. When `true`, the `underlyingError` property will
+    /// contain the associated value.
+    public var isParameterEncodingError: Bool {
+        if case .parameterEncodingFailed = self { return true }
+        return false
+    }
+
+    /// Returns whether the instance is `.parameterEncoderFailed`. When `true`, the `underlyingError` property will
+    /// contain the associated value.
+    public var isParameterEncoderError: Bool {
+        if case .parameterEncoderFailed = self { return true }
+        return false
+    }
+
+    /// Returns whether the instance is `.multipartEncodingFailed`. When `true`, the `url` and `underlyingError`
+    /// properties will contain the associated values.
+    public var isMultipartEncodingError: Bool {
+        if case .multipartEncodingFailed = self { return true }
+        return false
+    }
+
+    /// Returns whether the instance is `.requestAdaptationFailed`. When `true`, the `underlyingError` property will
+    /// contain the associated value.
+    public var isRequestAdaptationError: Bool {
+        if case .requestAdaptationFailed = self { return true }
+        return false
+    }
+
+    /// Returns whether the instance is `.responseValidationFailed`. When `true`, the `acceptableContentTypes`,
+    /// `responseContentType`,  `responseCode`, and `underlyingError` properties will contain the associated values.
+    public var isResponseValidationError: Bool {
+        if case .responseValidationFailed = self { return true }
+        return false
+    }
+
+    /// Returns whether the instance is `.responseSerializationFailed`. When `true`, the `failedStringEncoding` and
+    /// `underlyingError` properties will contain the associated values.
+    public var isResponseSerializationError: Bool {
+        if case .responseSerializationFailed = self { return true }
+        return false
+    }
+
+    /// Returns whether the instance is `.serverTrustEvaluationFailed`. When `true`, the `underlyingError` property will
+    /// contain the associated value.
+    public var isServerTrustEvaluationError: Bool {
+        if case .serverTrustEvaluationFailed = self { return true }
+        return false
+    }
+
+    /// Returns whether the instance is `requestRetryFailed`. When `true`, the `underlyingError` property will
+    /// contain the associated value.
+    public var isRequestRetryError: Bool {
+        if case .requestRetryFailed = self { return true }
+        return false
+    }
+
+    /// Returns whether the instance is `createUploadableFailed`. When `true`, the `underlyingError` property will
+    /// contain the associated value.
+    public var isCreateUploadableError: Bool {
+        if case .createUploadableFailed = self { return true }
+        return false
+    }
+
+    /// Returns whether the instance is `createURLRequestFailed`. When `true`, the `underlyingError` property will
+    /// contain the associated value.
+    public var isCreateURLRequestError: Bool {
+        if case .createURLRequestFailed = self { return true }
+        return false
+    }
+
+    /// Returns whether the instance is `downloadedFileMoveFailed`. When `true`, the `destination` and `underlyingError` properties will
+    /// contain the associated values.
+    public var isDownloadedFileMoveError: Bool {
+        if case .downloadedFileMoveFailed = self { return true }
+        return false
+    }
+
+    /// Returns whether the instance is `createURLRequestFailed`. When `true`, the `underlyingError` property will
+    /// contain the associated value.
+    public var isSessionTaskError: Bool {
+        if case .sessionTaskFailed = self { return true }
+        return false
+    }
+}
+
+// MARK: - Convenience Properties
+
+extension AFError {
+    /// The `URLConvertible` associated with the error.
+    public var urlConvertible: URLConvertible? {
+        guard case let .invalidURL(url) = self else { return nil }
+        return url
+    }
+
+    /// The `URL` associated with the error.
+    public var url: URL? {
+        guard case let .multipartEncodingFailed(reason) = self else { return nil }
+        return reason.url
+    }
+
+    /// The underlying `Error` responsible for generating the failure associated with `.sessionInvalidated`,
+    /// `.parameterEncodingFailed`, `.parameterEncoderFailed`, `.multipartEncodingFailed`, `.requestAdaptationFailed`,
+    /// `.responseSerializationFailed`, `.requestRetryFailed` errors.
+    public var underlyingError: Error? {
+        switch self {
+        case let .multipartEncodingFailed(reason):
+            return reason.underlyingError
+        case let .parameterEncodingFailed(reason):
+            return reason.underlyingError
+        case let .parameterEncoderFailed(reason):
+            return reason.underlyingError
+        case let .requestAdaptationFailed(error):
+            return error
+        case let .requestRetryFailed(retryError, _):
+            return retryError
+        case let .responseValidationFailed(reason):
+            return reason.underlyingError
+        case let .responseSerializationFailed(reason):
+            return reason.underlyingError
+        case let .serverTrustEvaluationFailed(reason):
+            return reason.underlyingError
+        case let .sessionInvalidated(error):
+            return error
+        case let .createUploadableFailed(error):
+            return error
+        case let .createURLRequestFailed(error):
+            return error
+        case let .downloadedFileMoveFailed(error, _, _):
+            return error
+        case let .sessionTaskFailed(error):
+            return error
+        case .explicitlyCancelled,
+             .invalidURL,
+             .sessionDeinitialized,
+             .urlRequestValidationFailed:
+            return nil
+        }
+    }
+
+    /// The acceptable `Content-Type`s of a `.responseValidationFailed` error.
+    public var acceptableContentTypes: [String]? {
+        guard case let .responseValidationFailed(reason) = self else { return nil }
+        return reason.acceptableContentTypes
+    }
+
+    /// The response `Content-Type` of a `.responseValidationFailed` error.
+    public var responseContentType: String? {
+        guard case let .responseValidationFailed(reason) = self else { return nil }
+        return reason.responseContentType
+    }
+
+    /// The response code of a `.responseValidationFailed` error.
+    public var responseCode: Int? {
+        guard case let .responseValidationFailed(reason) = self else { return nil }
+        return reason.responseCode
+    }
+
+    /// The `String.Encoding` associated with a failed `.stringResponse()` call.
+    public var failedStringEncoding: String.Encoding? {
+        guard case let .responseSerializationFailed(reason) = self else { return nil }
+        return reason.failedStringEncoding
+    }
+
+    /// The `source` URL of a `.downloadedFileMoveFailed` error.
+    public var sourceURL: URL? {
+        guard case let .downloadedFileMoveFailed(_, source, _) = self else { return nil }
+        return source
+    }
+
+    /// The `destination` URL of a `.downloadedFileMoveFailed` error.
+    public var destinationURL: URL? {
+        guard case let .downloadedFileMoveFailed(_, _, destination) = self else { return nil }
+        return destination
+    }
+}
+
+extension AFError.ParameterEncodingFailureReason {
+    var underlyingError: Error? {
+        switch self {
+        case let .jsonEncodingFailed(error),
+             let .customEncodingFailed(error):
+            return error
+        case .missingURL:
+            return nil
+        }
+    }
+}
+
+extension AFError.ParameterEncoderFailureReason {
+    var underlyingError: Error? {
+        switch self {
+        case let .encoderFailed(error):
+            return error
+        case .missingRequiredComponent:
+            return nil
+        }
+    }
+}
+
+extension AFError.MultipartEncodingFailureReason {
+    var url: URL? {
+        switch self {
+        case let .bodyPartURLInvalid(url),
+             let .bodyPartFilenameInvalid(url),
+             let .bodyPartFileNotReachable(url),
+             let .bodyPartFileIsDirectory(url),
+             let .bodyPartFileSizeNotAvailable(url),
+             let .bodyPartInputStreamCreationFailed(url),
+             let .outputStreamCreationFailed(url),
+             let .outputStreamFileAlreadyExists(url),
+             let .outputStreamURLInvalid(url),
+             let .bodyPartFileNotReachableWithError(url, _),
+             let .bodyPartFileSizeQueryFailedWithError(url, _):
+            return url
+        case .outputStreamWriteFailed,
+             .inputStreamReadFailed:
+            return nil
+        }
+    }
+
+    var underlyingError: Error? {
+        switch self {
+        case let .bodyPartFileNotReachableWithError(_, error),
+             let .bodyPartFileSizeQueryFailedWithError(_, error),
+             let .outputStreamWriteFailed(error),
+             let .inputStreamReadFailed(error):
+            return error
+        case .bodyPartURLInvalid,
+             .bodyPartFilenameInvalid,
+             .bodyPartFileNotReachable,
+             .bodyPartFileIsDirectory,
+             .bodyPartFileSizeNotAvailable,
+             .bodyPartInputStreamCreationFailed,
+             .outputStreamCreationFailed,
+             .outputStreamFileAlreadyExists,
+             .outputStreamURLInvalid:
+            return nil
+        }
+    }
+}
+
+extension AFError.ResponseValidationFailureReason {
+    var acceptableContentTypes: [String]? {
+        switch self {
+        case let .missingContentType(types),
+             let .unacceptableContentType(types, _):
+            return types
+        case .dataFileNil,
+             .dataFileReadFailed,
+             .unacceptableStatusCode,
+             .customValidationFailed:
+            return nil
+        }
+    }
+
+    var responseContentType: String? {
+        switch self {
+        case let .unacceptableContentType(_, responseType):
+            return responseType
+        case .dataFileNil,
+             .dataFileReadFailed,
+             .missingContentType,
+             .unacceptableStatusCode,
+             .customValidationFailed:
+            return nil
+        }
+    }
+
+    var responseCode: Int? {
+        switch self {
+        case let .unacceptableStatusCode(code):
+            return code
+        case .dataFileNil,
+             .dataFileReadFailed,
+             .missingContentType,
+             .unacceptableContentType,
+             .customValidationFailed:
+            return nil
+        }
+    }
+
+    var underlyingError: Error? {
+        switch self {
+        case let .customValidationFailed(error):
+            return error
+        case .dataFileNil,
+             .dataFileReadFailed,
+             .missingContentType,
+             .unacceptableContentType,
+             .unacceptableStatusCode:
+            return nil
+        }
+    }
+}
+
+extension AFError.ResponseSerializationFailureReason {
+    var failedStringEncoding: String.Encoding? {
+        switch self {
+        case let .stringSerializationFailed(encoding):
+            return encoding
+        case .inputDataNilOrZeroLength,
+             .inputFileNil,
+             .inputFileReadFailed(_),
+             .jsonSerializationFailed(_),
+             .decodingFailed(_),
+             .customSerializationFailed(_),
+             .invalidEmptyResponse:
+            return nil
+        }
+    }
+
+    var underlyingError: Error? {
+        switch self {
+        case let .jsonSerializationFailed(error),
+             let .decodingFailed(error),
+             let .customSerializationFailed(error):
+            return error
+        case .inputDataNilOrZeroLength,
+             .inputFileNil,
+             .inputFileReadFailed,
+             .stringSerializationFailed,
+             .invalidEmptyResponse:
+            return nil
+        }
+    }
+}
+
+extension AFError.ServerTrustFailureReason {
+    var output: AFError.ServerTrustFailureReason.Output? {
+        switch self {
+        case let .defaultEvaluationFailed(output),
+             let .hostValidationFailed(output),
+             let .revocationCheckFailed(output, _):
+            return output
+        case .noRequiredEvaluator,
+             .noCertificatesFound,
+             .noPublicKeysFound,
+             .policyApplicationFailed,
+             .settingAnchorCertificatesFailed,
+             .revocationPolicyCreationFailed,
+             .trustEvaluationFailed,
+             .certificatePinningFailed,
+             .publicKeyPinningFailed,
+             .customEvaluationFailed:
+            return nil
+        }
+    }
+
+    var underlyingError: Error? {
+        switch self {
+        case let .customEvaluationFailed(error):
+            return error
+        case let .trustEvaluationFailed(error):
+            return error
+        case .noRequiredEvaluator,
+             .noCertificatesFound,
+             .noPublicKeysFound,
+             .policyApplicationFailed,
+             .settingAnchorCertificatesFailed,
+             .revocationPolicyCreationFailed,
+             .defaultEvaluationFailed,
+             .hostValidationFailed,
+             .revocationCheckFailed,
+             .certificatePinningFailed,
+             .publicKeyPinningFailed:
+            return nil
+        }
+    }
+}
+
+// MARK: - Error Descriptions
+
+extension AFError: LocalizedError {
+    public var errorDescription: String? {
+        switch self {
+        case .explicitlyCancelled:
+            return "Request explicitly cancelled."
+        case let .invalidURL(url):
+            return "URL is not valid: \(url)"
+        case let .parameterEncodingFailed(reason):
+            return reason.localizedDescription
+        case let .parameterEncoderFailed(reason):
+            return reason.localizedDescription
+        case let .multipartEncodingFailed(reason):
+            return reason.localizedDescription
+        case let .requestAdaptationFailed(error):
+            return "Request adaption failed with error: \(error.localizedDescription)"
+        case let .responseValidationFailed(reason):
+            return reason.localizedDescription
+        case let .responseSerializationFailed(reason):
+            return reason.localizedDescription
+        case let .requestRetryFailed(retryError, originalError):
+            return """
+            Request retry failed with retry error: \(retryError.localizedDescription), \
+            original error: \(originalError.localizedDescription)
+            """
+        case .sessionDeinitialized:
+            return """
+            Session was invalidated without error, so it was likely deinitialized unexpectedly. \
+            Be sure to retain a reference to your Session for the duration of your requests.
+            """
+        case let .sessionInvalidated(error):
+            return "Session was invalidated with error: \(error?.localizedDescription ?? "No description.")"
+        case let .serverTrustEvaluationFailed(reason):
+            return "Server trust evaluation failed due to reason: \(reason.localizedDescription)"
+        case let .urlRequestValidationFailed(reason):
+            return "URLRequest validation failed due to reason: \(reason.localizedDescription)"
+        case let .createUploadableFailed(error):
+            return "Uploadable creation failed with error: \(error.localizedDescription)"
+        case let .createURLRequestFailed(error):
+            return "URLRequest creation failed with error: \(error.localizedDescription)"
+        case let .downloadedFileMoveFailed(error, source, destination):
+            return "Moving downloaded file from: \(source) to: \(destination) failed with error: \(error.localizedDescription)"
+        case let .sessionTaskFailed(error):
+            return "URLSessionTask failed with error: \(error.localizedDescription)"
+        }
+    }
+}
+
+extension AFError.ParameterEncodingFailureReason {
+    var localizedDescription: String {
+        switch self {
+        case .missingURL:
+            return "URL request to encode was missing a URL"
+        case let .jsonEncodingFailed(error):
+            return "JSON could not be encoded because of error:\n\(error.localizedDescription)"
+        case let .customEncodingFailed(error):
+            return "Custom parameter encoder failed with error: \(error.localizedDescription)"
+        }
+    }
+}
+
+extension AFError.ParameterEncoderFailureReason {
+    var localizedDescription: String {
+        switch self {
+        case let .missingRequiredComponent(component):
+            return "Encoding failed due to a missing request component: \(component)"
+        case let .encoderFailed(error):
+            return "The underlying encoder failed with the error: \(error)"
+        }
+    }
+}
+
+extension AFError.MultipartEncodingFailureReason {
+    var localizedDescription: String {
+        switch self {
+        case let .bodyPartURLInvalid(url):
+            return "The URL provided is not a file URL: \(url)"
+        case let .bodyPartFilenameInvalid(url):
+            return "The URL provided does not have a valid filename: \(url)"
+        case let .bodyPartFileNotReachable(url):
+            return "The URL provided is not reachable: \(url)"
+        case let .bodyPartFileNotReachableWithError(url, error):
+            return """
+            The system returned an error while checking the provided URL for reachability.
+            URL: \(url)
+            Error: \(error)
+            """
+        case let .bodyPartFileIsDirectory(url):
+            return "The URL provided is a directory: \(url)"
+        case let .bodyPartFileSizeNotAvailable(url):
+            return "Could not fetch the file size from the provided URL: \(url)"
+        case let .bodyPartFileSizeQueryFailedWithError(url, error):
+            return """
+            The system returned an error while attempting to fetch the file size from the provided URL.
+            URL: \(url)
+            Error: \(error)
+            """
+        case let .bodyPartInputStreamCreationFailed(url):
+            return "Failed to create an InputStream for the provided URL: \(url)"
+        case let .outputStreamCreationFailed(url):
+            return "Failed to create an OutputStream for URL: \(url)"
+        case let .outputStreamFileAlreadyExists(url):
+            return "A file already exists at the provided URL: \(url)"
+        case let .outputStreamURLInvalid(url):
+            return "The provided OutputStream URL is invalid: \(url)"
+        case let .outputStreamWriteFailed(error):
+            return "OutputStream write failed with error: \(error)"
+        case let .inputStreamReadFailed(error):
+            return "InputStream read failed with error: \(error)"
+        }
+    }
+}
+
+extension AFError.ResponseSerializationFailureReason {
+    var localizedDescription: String {
+        switch self {
+        case .inputDataNilOrZeroLength:
+            return "Response could not be serialized, input data was nil or zero length."
+        case .inputFileNil:
+            return "Response could not be serialized, input file was nil."
+        case let .inputFileReadFailed(url):
+            return "Response could not be serialized, input file could not be read: \(url)."
+        case let .stringSerializationFailed(encoding):
+            return "String could not be serialized with encoding: \(encoding)."
+        case let .jsonSerializationFailed(error):
+            return "JSON could not be serialized because of error:\n\(error.localizedDescription)"
+        case let .invalidEmptyResponse(type):
+            return """
+            Empty response could not be serialized to type: \(type). \
+            Use Empty as the expected type for such responses.
+            """
+        case let .decodingFailed(error):
+            return "Response could not be decoded because of error:\n\(error.localizedDescription)"
+        case let .customSerializationFailed(error):
+            return "Custom response serializer failed with error:\n\(error.localizedDescription)"
+        }
+    }
+}
+
+extension AFError.ResponseValidationFailureReason {
+    var localizedDescription: String {
+        switch self {
+        case .dataFileNil:
+            return "Response could not be validated, data file was nil."
+        case let .dataFileReadFailed(url):
+            return "Response could not be validated, data file could not be read: \(url)."
+        case let .missingContentType(types):
+            return """
+            Response Content-Type was missing and acceptable content types \
+            (\(types.joined(separator: ","))) do not match "*/*".
+            """
+        case let .unacceptableContentType(acceptableTypes, responseType):
+            return """
+            Response Content-Type "\(responseType)" does not match any acceptable types: \
+            \(acceptableTypes.joined(separator: ",")).
+            """
+        case let .unacceptableStatusCode(code):
+            return "Response status code was unacceptable: \(code)."
+        case let .customValidationFailed(error):
+            return "Custom response validation failed with error: \(error.localizedDescription)"
+        }
+    }
+}
+
+extension AFError.ServerTrustFailureReason {
+    var localizedDescription: String {
+        switch self {
+        case let .noRequiredEvaluator(host):
+            return "A ServerTrustEvaluating value is required for host \(host) but none was found."
+        case .noCertificatesFound:
+            return "No certificates were found or provided for evaluation."
+        case .noPublicKeysFound:
+            return "No public keys were found or provided for evaluation."
+        case .policyApplicationFailed:
+            return "Attempting to set a SecPolicy failed."
+        case .settingAnchorCertificatesFailed:
+            return "Attempting to set the provided certificates as anchor certificates failed."
+        case .revocationPolicyCreationFailed:
+            return "Attempting to create a revocation policy failed."
+        case let .trustEvaluationFailed(error):
+            return "SecTrust evaluation failed with error: \(error?.localizedDescription ?? "None")"
+        case let .defaultEvaluationFailed(output):
+            return "Default evaluation failed for host \(output.host)."
+        case let .hostValidationFailed(output):
+            return "Host validation failed for host \(output.host)."
+        case let .revocationCheckFailed(output, _):
+            return "Revocation check failed for host \(output.host)."
+        case let .certificatePinningFailed(host, _, _, _):
+            return "Certificate pinning failed for host \(host)."
+        case let .publicKeyPinningFailed(host, _, _, _):
+            return "Public key pinning failed for host \(host)."
+        case let .customEvaluationFailed(error):
+            return "Custom trust evaluation failed with error: \(error.localizedDescription)"
+        }
+    }
+}
+
+extension AFError.URLRequestValidationFailureReason {
+    var localizedDescription: String {
+        switch self {
+        case let .bodyDataInGETRequest(data):
+            return """
+            Invalid URLRequest: Requests with GET method cannot have body data:
+            \(String(decoding: data, as: UTF8.self))
+            """
+        }
+    }
+}

Pods/Alamofire/Source/Alamofire.swift

@@ -0,0 +1,520 @@
+//
+//  Alamofire.swift
+//
+//  Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+/// Global namespace containing API for the `default` `Session` instance.
+public enum AF {
+    /// Current Alamofire version. Necessary since SPM doesn't use dynamic libraries. Plus this will be more accurate.
+    static let version = "5.0.0-rc.3"
+
+    // MARK: - Data Request
+
+    /// Creates a `DataRequest` using `Session.default` to retrieve the contents of the specified `url` using the
+    /// `method`, `parameters`, `encoding`, and `headers` provided.
+    ///
+    /// - Parameters:
+    ///   - url:           The `URLConvertible` value.
+    ///   - method:        The `HTTPMethod`, `.get` by default.
+    ///   - parameters:    The `Parameters`, `nil` by default.
+    ///   - encoding:      The `ParameterEncoding`, `URLEncoding.default` by default.
+    ///   - headers:       The `HTTPHeaders`, `nil` by default.
+    ///   - interceptor:   The `RequestInterceptor`, `nil` by default.
+    ///
+    /// - Returns: The created `DataRequest`.
+    public static func request(_ url: URLConvertible,
+                               method: HTTPMethod = .get,
+                               parameters: Parameters? = nil,
+                               encoding: ParameterEncoding = URLEncoding.default,
+                               headers: HTTPHeaders? = nil,
+                               interceptor: RequestInterceptor? = nil) -> DataRequest {
+        return Session.default.request(url,
+                                       method: method,
+                                       parameters: parameters,
+                                       encoding: encoding,
+                                       headers: headers,
+                                       interceptor: interceptor)
+    }
+
+    /// Creates a `DataRequest` using `Session.default` to retrieve the contents of the specified `url` using the
+    /// `method`, `parameters`, `encoding`, and `headers` provided.
+    ///
+    /// - Parameters:
+    ///   - url:           The `URLConvertible` value.
+    ///   - method:        The `HTTPMethod`, `.get` by default.
+    ///   - parameters:    The `Encodable` parameters, `nil` by default.
+    ///   - encoding:      The `ParameterEncoder`, `URLEncodedFormParameterEncoder.default` by default.
+    ///   - headers:       The `HTTPHeaders`, `nil` by default.
+    ///   - interceptor:   The `RequestInterceptor`, `nil` by default.
+    ///
+    /// - Returns: The created `DataRequest`.
+    public static func request<Parameters: Encodable>(_ url: URLConvertible,
+                                                      method: HTTPMethod = .get,
+                                                      parameters: Parameters? = nil,
+                                                      encoder: ParameterEncoder = URLEncodedFormParameterEncoder.default,
+                                                      headers: HTTPHeaders? = nil,
+                                                      interceptor: RequestInterceptor? = nil) -> DataRequest {
+        return Session.default.request(url,
+                                       method: method,
+                                       parameters: parameters,
+                                       encoder: encoder,
+                                       headers: headers,
+                                       interceptor: interceptor)
+    }
+
+    /// Creates a `DataRequest` using `Session.default` to execute the specified `urlRequest`.
+    ///
+    /// - Parameters:
+    ///   - urlRequest:    The `URLRequestConvertible` value.
+    ///   - interceptor:   The `RequestInterceptor`, `nil` by default.
+    ///
+    /// - Returns: The created `DataRequest`.
+    public static func request(_ urlRequest: URLRequestConvertible, interceptor: RequestInterceptor? = nil) -> DataRequest {
+        return Session.default.request(urlRequest, interceptor: interceptor)
+    }
+
+    // MARK: - Download Request
+
+    /// Creates a `DownloadRequest` using `Session.default` to download the contents of the specified `url` to
+    /// the provided `destination` using the `method`, `parameters`, `encoding`, and `headers` provided.
+    ///
+    /// If `destination` is not specified, the download will be moved to a temporary location determined by Alamofire.
+    ///
+    /// - Parameters:
+    ///   - url:           The `URLConvertible` value.
+    ///   - method:        The `HTTPMethod`, `.get` by default.
+    ///   - parameters:    The `Parameters`, `nil` by default.
+    ///   - encoding:      The `ParameterEncoding`, `URLEncoding.default` by default.
+    ///   - headers:       The `HTTPHeaders`, `nil` by default.
+    ///   - interceptor:   The `RequestInterceptor`, `nil` by default.
+    ///   - destination:   The `DownloadRequest.Destination` closure used the determine the destination of the
+    ///                    downloaded file. `nil` by default.
+    ///
+    /// - Returns: The created `DownloadRequest`.
+    public static func download(_ url: URLConvertible,
+                                method: HTTPMethod = .get,
+                                parameters: Parameters? = nil,
+                                encoding: ParameterEncoding = URLEncoding.default,
+                                headers: HTTPHeaders? = nil,
+                                interceptor: RequestInterceptor? = nil,
+                                to destination: DownloadRequest.Destination? = nil) -> DownloadRequest {
+        return Session.default.download(url,
+                                        method: method,
+                                        parameters: parameters,
+                                        encoding: encoding,
+                                        headers: headers,
+                                        interceptor: interceptor,
+                                        to: destination)
+    }
+
+    /// Creates a `DownloadRequest` using `Session.default` to download the contents of the specified `url` to the
+    /// provided `destination` using the `method`, encodable `parameters`, `encoder`, and `headers` provided.
+    ///
+    /// - Note: If `destination` is not specified, the download will be moved to a temporary location determined by
+    ///         Alamofire.
+    ///
+    /// - Parameters:
+    ///   - url:           The `URLConvertible` value.
+    ///   - method:        The `HTTPMethod`, `.get` by default.
+    ///   - parameters:    The `Encodable` parameters, `nil` by default.
+    ///   - encoder:       The `ParameterEncoder`, `URLEncodedFormParameterEncoder.default` by default.
+    ///   - headers:       The `HTTPHeaders`, `nil` by default.
+    ///   - interceptor:   The `RequestInterceptor`, `nil` by default.
+    ///   - destination:   The `DownloadRequest.Destination` closure used the determine the destination of the
+    ///                    downloaded file. `nil` by default.
+    ///
+    /// - Returns: The created `DownloadRequest`.
+    public static func download<Parameters: Encodable>(_ url: URLConvertible,
+                                                       method: HTTPMethod = .get,
+                                                       parameters: Parameters? = nil,
+                                                       encoder: ParameterEncoder = URLEncodedFormParameterEncoder.default,
+                                                       headers: HTTPHeaders? = nil,
+                                                       interceptor: RequestInterceptor? = nil,
+                                                       to destination: DownloadRequest.Destination? = nil) -> DownloadRequest {
+        return Session.default.download(url,
+                                        method: method,
+                                        parameters: parameters,
+                                        encoder: encoder,
+                                        headers: headers,
+                                        interceptor: interceptor,
+                                        to: destination)
+    }
+
+    // MARK: URLRequest
+
+    /// Creates a `DownloadRequest` using `Session.default` to execute the specified `urlRequest` and download
+    /// the result to the provided `destination`.
+    ///
+    /// - Parameters:
+    ///   - urlRequest:    The `URLRequestConvertible` value.
+    ///   - interceptor:   The `RequestInterceptor`, `nil` by default.
+    ///   - destination:   The `DownloadRequest.Destination` closure used the determine the destination of the
+    ///                    downloaded file. `nil` by default.
+    ///
+    /// - Returns: The created `DownloadRequest`.
+    public static func download(_ urlRequest: URLRequestConvertible,
+                                interceptor: RequestInterceptor? = nil,
+                                to destination: DownloadRequest.Destination? = nil) -> DownloadRequest {
+        return Session.default.download(urlRequest, interceptor: interceptor, to: destination)
+    }
+
+    // MARK: Resume Data
+
+    /// Creates a `DownloadRequest` using the `Session.default` from the `resumeData` produced from a previous
+    /// `DownloadRequest` cancellation to retrieve the contents of the original request and save them to the `destination`.
+    ///
+    /// - Note: If `destination` is not specified, the download will be moved to a temporary location determined by
+    ///         Alamofire.
+    ///
+    /// - Note: On some versions of all Apple platforms (iOS 10 - 10.2, macOS 10.12 - 10.12.2, tvOS 10 - 10.1, watchOS 3 - 3.1.1),
+    /// `resumeData` is broken on background URL session configurations. There's an underlying bug in the `resumeData`
+    /// generation logic where the data is written incorrectly and will always fail to resume the download. For more
+    /// information about the bug and possible workarounds, please refer to the [this Stack Overflow post](http://stackoverflow.com/a/39347461/1342462).
+    ///
+    /// - Parameters:
+    ///   - resumeData:    The resume `Data`. This is an opaque blob produced by `URLSessionDownloadTask` when a task is
+    ///                    cancelled. See [Apple's documentation](https://developer.apple.com/documentation/foundation/urlsessiondownloadtask/1411634-cancel)
+    ///                    for more information.
+    ///   - interceptor:   The `RequestInterceptor`, `nil` by default.
+    ///   - destination:   The `DownloadRequest.Destination` closure used to determine the destination of the downloaded
+    ///                    file. `nil` by default.
+    ///
+    /// - Returns:         The created `DownloadRequest`.
+    public static func download(resumingWith resumeData: Data,
+                                interceptor: RequestInterceptor? = nil,
+                                to destination: DownloadRequest.Destination? = nil) -> DownloadRequest {
+        return Session.default.download(resumingWith: resumeData, interceptor: interceptor, to: destination)
+    }
+
+    // MARK: - Upload Request
+
+    // MARK: Data
+
+    /// Creates an `UploadRequest` for the given `Data`, `URLRequest` components, and `RequestInterceptor`.
+    ///
+    /// - Parameters:
+    ///   - data:        The `Data` to upload.
+    ///   - convertible: `URLConvertible` value to be used as the `URLRequest`'s `URL`.
+    ///   - method:      `HTTPMethod` for the `URLRequest`. `.post` by default.
+    ///   - headers:     `HTTPHeaders` value to be added to the `URLRequest`. `nil` by default.
+    ///   - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default.
+    ///   - fileManager: `FileManager` instance to be used by the returned `UploadRequest`. `.default` instance by
+    ///                  default.
+    ///
+    /// - Returns:       The created `UploadRequest`.
+    public static func upload(_ data: Data,
+                              to convertible: URLConvertible,
+                              method: HTTPMethod = .post,
+                              headers: HTTPHeaders? = nil,
+                              interceptor: RequestInterceptor? = nil,
+                              fileManager: FileManager = .default) -> UploadRequest {
+        return Session.default.upload(data,
+                                      to: convertible,
+                                      method: method,
+                                      headers: headers,
+                                      interceptor: interceptor,
+                                      fileManager: fileManager)
+    }
+
+    /// Creates an `UploadRequest` for the given `Data` using the `URLRequestConvertible` value and `RequestInterceptor`.
+    ///
+    /// - Parameters:
+    ///   - data:        The `Data` to upload.
+    ///   - convertible: `URLRequestConvertible` value to be used to create the `URLRequest`.
+    ///   - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default.
+    ///   - fileManager: `FileManager` instance to be used by the returned `UploadRequest`. `.default` instance by
+    ///                  default.
+    ///
+    /// - Returns:       The created `UploadRequest`.
+    public static func upload(_ data: Data,
+                              with convertible: URLRequestConvertible,
+                              interceptor: RequestInterceptor? = nil,
+                              fileManager: FileManager = .default) -> UploadRequest {
+        return Session.default.upload(data, with: convertible, interceptor: interceptor, fileManager: fileManager)
+    }
+
+    // MARK: File
+
+    /// Creates an `UploadRequest` for the file at the given file `URL`, using a `URLRequest` from the provided
+    /// components and `RequestInterceptor`.
+    ///
+    /// - Parameters:
+    ///   - fileURL:     The `URL` of the file to upload.
+    ///   - convertible: `URLConvertible` value to be used as the `URLRequest`'s `URL`.
+    ///   - method:      `HTTPMethod` for the `URLRequest`. `.post` by default.
+    ///   - headers:     `HTTPHeaders` value to be added to the `URLRequest`. `nil` by default.
+    ///   - interceptor: `RequestInterceptor` value to be used by the returned `UploadRequest`. `nil` by default.
+    ///   - fileManager: `FileManager` instance to be used by the returned `UploadRequest`. `.default` instance by
+    ///                  default.
+    ///
+    /// - Returns:       The created `UploadRequest`.
+    public static func upload(_ fileURL: URL,
+                              to convertible: URLConvertible,
+                              method: HTTPMethod = .post,
+                              headers: HTTPHeaders? = nil,
+                              interceptor: RequestInterceptor? = nil,
+                              fileManager: FileManager = .default) -> UploadRequest {
+        return Session.default.upload(fileURL,
+                                      to: convertible,
+                                      method: method,
+                                      headers: headers,
+                                      interceptor: interceptor,
+                                      fileManager: fileManager)
+    }
+
+    /// Creates an `UploadRequest` for the file at the given file `URL` using the `URLRequestConvertible` value and
+    /// `RequestInterceptor`.
+    ///
+    /// - Parameters:
+    ///   - fileURL:     The `URL` of the file to upload.
+    ///   - convertible: `URLRequestConvertible` value to be used to create the `URLRequest`.
+    ///   - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default.
+    ///   - fileManager: `FileManager` instance to be used by the returned `UploadRequest`. `.default` instance by
+    ///                  default.
+    ///
+    /// - Returns:       The created `UploadRequest`.
+    public static func upload(_ fileURL: URL,
+                              with convertible: URLRequestConvertible,
+                              interceptor: RequestInterceptor? = nil,
+                              fileManager: FileManager = .default) -> UploadRequest {
+        return Session.default.upload(fileURL, with: convertible, interceptor: interceptor, fileManager: fileManager)
+    }
+
+    // MARK: InputStream
+
+    /// Creates an `UploadRequest` from the `InputStream` provided using a `URLRequest` from the provided components and
+    /// `RequestInterceptor`.
+    ///
+    /// - Parameters:
+    ///   - stream:      The `InputStream` that provides the data to upload.
+    ///   - convertible: `URLConvertible` value to be used as the `URLRequest`'s `URL`.
+    ///   - method:      `HTTPMethod` for the `URLRequest`. `.post` by default.
+    ///   - headers:     `HTTPHeaders` value to be added to the `URLRequest`. `nil` by default.
+    ///   - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default.
+    ///   - fileManager: `FileManager` instance to be used by the returned `UploadRequest`. `.default` instance by
+    ///                  default.
+    ///
+    /// - Returns:       The created `UploadRequest`.
+    public static func upload(_ stream: InputStream,
+                              to convertible: URLConvertible,
+                              method: HTTPMethod = .post,
+                              headers: HTTPHeaders? = nil,
+                              interceptor: RequestInterceptor? = nil,
+                              fileManager: FileManager = .default) -> UploadRequest {
+        return Session.default.upload(stream,
+                                      to: convertible,
+                                      method: method,
+                                      headers: headers,
+                                      interceptor: interceptor,
+                                      fileManager: fileManager)
+    }
+
+    /// Creates an `UploadRequest` from the provided `InputStream` using the `URLRequestConvertible` value and
+    /// `RequestInterceptor`.
+    ///
+    /// - Parameters:
+    ///   - stream:      The `InputStream` that provides the data to upload.
+    ///   - convertible: `URLRequestConvertible` value to be used to create the `URLRequest`.
+    ///   - interceptor: `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default.
+    ///   - fileManager: `FileManager` instance to be used by the returned `UploadRequest`. `.default` instance by
+    ///                  default.
+    ///
+    /// - Returns:       The created `UploadRequest`.
+    public static func upload(_ stream: InputStream,
+                              with convertible: URLRequestConvertible,
+                              interceptor: RequestInterceptor? = nil,
+                              fileManager: FileManager = .default) -> UploadRequest {
+        return Session.default.upload(stream, with: convertible, interceptor: interceptor, fileManager: fileManager)
+    }
+
+    // MARK: MultipartFormData
+
+    /// Creates an `UploadRequest` for the multipart form data built using a closure and sent using the provided
+    /// `URLRequest` components and `RequestInterceptor`.
+    ///
+    /// It is important to understand the memory implications of uploading `MultipartFormData`. If the cumulative
+    /// payload is small, encoding the data in-memory and directly uploading to a server is the by far the most
+    /// efficient approach. However, if the payload is too large, encoding the data in-memory could cause your app to
+    /// be terminated. Larger payloads must first be written to disk using input and output streams to keep the memory
+    /// footprint low, then the data can be uploaded as a stream from the resulting file. Streaming from disk MUST be
+    /// used for larger payloads such as video content.
+    ///
+    /// The `encodingMemoryThreshold` parameter allows Alamofire to automatically determine whether to encode in-memory
+    /// or stream from disk. If the content length of the `MultipartFormData` is below the `encodingMemoryThreshold`,
+    /// encoding takes place in-memory. If the content length exceeds the threshold, the data is streamed to disk
+    /// during the encoding process. Then the result is uploaded as data or as a stream depending on which encoding
+    /// technique was used.
+    ///
+    /// - Parameters:
+    ///   - multipartFormData:       `MultipartFormData` building closure.
+    ///   - convertible:             `URLConvertible` value to be used as the `URLRequest`'s `URL`.
+    ///   - encodingMemoryThreshold: Byte threshold used to determine whether the form data is encoded into memory or
+    ///                              onto disk before being uploaded. `MultipartFormData.encodingMemoryThreshold` by
+    ///                              default.
+    ///   - method:                  `HTTPMethod` for the `URLRequest`. `.post` by default.
+    ///   - headers:                 `HTTPHeaders` value to be added to the `URLRequest`. `nil` by default.
+    ///   - interceptor:             `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default.
+    ///   - fileManager:             `FileManager` to be used if the form data exceeds the memory threshold and is
+    ///                              written to disk before being uploaded. `.default` instance by default.
+    ///
+    /// - Returns:                   The created `UploadRequest`.
+    public static func upload(multipartFormData: @escaping (MultipartFormData) -> Void,
+                              to url: URLConvertible,
+                              usingThreshold encodingMemoryThreshold: UInt64 = MultipartFormData.encodingMemoryThreshold,
+                              method: HTTPMethod = .post,
+                              headers: HTTPHeaders? = nil,
+                              interceptor: RequestInterceptor? = nil,
+                              fileManager: FileManager = .default) -> UploadRequest {
+        return Session.default.upload(multipartFormData: multipartFormData,
+                                      to: url,
+                                      usingThreshold: encodingMemoryThreshold,
+                                      method: method,
+                                      headers: headers,
+                                      interceptor: interceptor,
+                                      fileManager: fileManager)
+    }
+
+    /// Creates an `UploadRequest` using a `MultipartFormData` building closure, the provided `URLRequestConvertible`
+    /// value, and a `RequestInterceptor`.
+    ///
+    /// It is important to understand the memory implications of uploading `MultipartFormData`. If the cumulative
+    /// payload is small, encoding the data in-memory and directly uploading to a server is the by far the most
+    /// efficient approach. However, if the payload is too large, encoding the data in-memory could cause your app to
+    /// be terminated. Larger payloads must first be written to disk using input and output streams to keep the memory
+    /// footprint low, then the data can be uploaded as a stream from the resulting file. Streaming from disk MUST be
+    /// used for larger payloads such as video content.
+    ///
+    /// The `encodingMemoryThreshold` parameter allows Alamofire to automatically determine whether to encode in-memory
+    /// or stream from disk. If the content length of the `MultipartFormData` is below the `encodingMemoryThreshold`,
+    /// encoding takes place in-memory. If the content length exceeds the threshold, the data is streamed to disk
+    /// during the encoding process. Then the result is uploaded as data or as a stream depending on which encoding
+    /// technique was used.
+    ///
+    /// - Parameters:
+    ///   - multipartFormData:       `MultipartFormData` building closure.
+    ///   - request:                 `URLRequestConvertible` value to be used to create the `URLRequest`.
+    ///   - encodingMemoryThreshold: Byte threshold used to determine whether the form data is encoded into memory or
+    ///                              onto disk before being uploaded. `MultipartFormData.encodingMemoryThreshold` by
+    ///                              default.
+    ///   - interceptor:             `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default.
+    ///   - fileManager:             `FileManager` to be used if the form data exceeds the memory threshold and is
+    ///                              written to disk before being uploaded. `.default` instance by default.
+    ///
+    /// - Returns:                   The created `UploadRequest`.
+    public static func upload(multipartFormData: @escaping (MultipartFormData) -> Void,
+                              with request: URLRequestConvertible,
+                              usingThreshold encodingMemoryThreshold: UInt64 = MultipartFormData.encodingMemoryThreshold,
+                              interceptor: RequestInterceptor? = nil,
+                              fileManager: FileManager = .default) -> UploadRequest {
+        return Session.default.upload(multipartFormData: multipartFormData,
+                                      with: request,
+                                      usingThreshold: encodingMemoryThreshold,
+                                      interceptor: interceptor,
+                                      fileManager: fileManager)
+    }
+
+    /// Creates an `UploadRequest` for the prebuilt `MultipartFormData` value using the provided `URLRequest` components
+    /// and `RequestInterceptor`.
+    ///
+    /// It is important to understand the memory implications of uploading `MultipartFormData`. If the cumulative
+    /// payload is small, encoding the data in-memory and directly uploading to a server is the by far the most
+    /// efficient approach. However, if the payload is too large, encoding the data in-memory could cause your app to
+    /// be terminated. Larger payloads must first be written to disk using input and output streams to keep the memory
+    /// footprint low, then the data can be uploaded as a stream from the resulting file. Streaming from disk MUST be
+    /// used for larger payloads such as video content.
+    ///
+    /// The `encodingMemoryThreshold` parameter allows Alamofire to automatically determine whether to encode in-memory
+    /// or stream from disk. If the content length of the `MultipartFormData` is below the `encodingMemoryThreshold`,
+    /// encoding takes place in-memory. If the content length exceeds the threshold, the data is streamed to disk
+    /// during the encoding process. Then the result is uploaded as data or as a stream depending on which encoding
+    /// technique was used.
+    ///
+    /// - Parameters:
+    ///   - multipartFormData:       `MultipartFormData` instance to upload.
+    ///   - url:                     `URLConvertible` value to be used as the `URLRequest`'s `URL`.
+    ///   - encodingMemoryThreshold: Byte threshold used to determine whether the form data is encoded into memory or
+    ///                              onto disk before being uploaded. `MultipartFormData.encodingMemoryThreshold` by
+    ///                              default.
+    ///   - method:                  `HTTPMethod` for the `URLRequest`. `.post` by default.
+    ///   - headers:                 `HTTPHeaders` value to be added to the `URLRequest`. `nil` by default.
+    ///   - interceptor:             `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default.
+    ///   - fileManager:             `FileManager` to be used if the form data exceeds the memory threshold and is
+    ///                              written to disk before being uploaded. `.default` instance by default.
+    ///
+    /// - Returns:                   The created `UploadRequest`.
+    public static func upload(multipartFormData: MultipartFormData,
+                              to url: URLConvertible,
+                              usingThreshold encodingMemoryThreshold: UInt64 = MultipartFormData.encodingMemoryThreshold,
+                              method: HTTPMethod = .post,
+                              headers: HTTPHeaders? = nil,
+                              interceptor: RequestInterceptor? = nil,
+                              fileManager: FileManager = .default) -> UploadRequest {
+        return Session.default.upload(multipartFormData: multipartFormData,
+                                      to: url,
+                                      usingThreshold: encodingMemoryThreshold,
+                                      method: method,
+                                      headers: headers,
+                                      interceptor: interceptor,
+                                      fileManager: fileManager)
+    }
+
+    /// Creates an `UploadRequest` for the prebuilt `MultipartFormData` value using the providing `URLRequestConvertible`
+    /// value and `RequestInterceptor`.
+    ///
+    /// It is important to understand the memory implications of uploading `MultipartFormData`. If the cumulative
+    /// payload is small, encoding the data in-memory and directly uploading to a server is the by far the most
+    /// efficient approach. However, if the payload is too large, encoding the data in-memory could cause your app to
+    /// be terminated. Larger payloads must first be written to disk using input and output streams to keep the memory
+    /// footprint low, then the data can be uploaded as a stream from the resulting file. Streaming from disk MUST be
+    /// used for larger payloads such as video content.
+    ///
+    /// The `encodingMemoryThreshold` parameter allows Alamofire to automatically determine whether to encode in-memory
+    /// or stream from disk. If the content length of the `MultipartFormData` is below the `encodingMemoryThreshold`,
+    /// encoding takes place in-memory. If the content length exceeds the threshold, the data is streamed to disk
+    /// during the encoding process. Then the result is uploaded as data or as a stream depending on which encoding
+    /// technique was used.
+    ///
+    /// - Parameters:
+    ///   - multipartFormData:       `MultipartFormData` instance to upload.
+    ///   - request:                 `URLRequestConvertible` value to be used to create the `URLRequest`.
+    ///   - encodingMemoryThreshold: Byte threshold used to determine whether the form data is encoded into memory or
+    ///                              onto disk before being uploaded. `MultipartFormData.encodingMemoryThreshold` by
+    ///                              default.
+    ///   - interceptor:             `RequestInterceptor` value to be used by the returned `DataRequest`. `nil` by default.
+    ///   - fileManager:             `FileManager` instance to be used by the returned `UploadRequest`. `.default` instance by
+    ///                              default.
+    ///
+    /// - Returns:                   The created `UploadRequest`.
+    public static func upload(multipartFormData: MultipartFormData,
+                              with request: URLRequestConvertible,
+                              usingThreshold encodingMemoryThreshold: UInt64 = MultipartFormData.encodingMemoryThreshold,
+                              interceptor: RequestInterceptor? = nil,
+                              fileManager: FileManager = .default) -> UploadRequest {
+        return Session.default.upload(multipartFormData: multipartFormData,
+                                      with: request,
+                                      usingThreshold: encodingMemoryThreshold,
+                                      interceptor: interceptor,
+                                      fileManager: fileManager)
+    }
+}

Pods/Alamofire/Source/AlamofireExtended.swift

@@ -0,0 +1,58 @@
+//
+//  AlamofireExtended.swift
+//
+//  Copyright (c) 2019 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+/// Type that acts as a generic extension point for all `AlamofireExtended` types.
+public struct AlamofireExtension<ExtendedType> {
+    /// Stores the type or metatype of any extended type.
+    let type: ExtendedType
+
+    init(_ type: ExtendedType) {
+        self.type = type
+    }
+}
+
+/// Protocol describing the `af` extension points for Alamofire extended types.
+public protocol AlamofireExtended {
+    /// Type being extended.
+    associatedtype ExtendedType
+
+    /// Static Alamofire extension point.
+    static var af: AlamofireExtension<ExtendedType>.Type { get set }
+    /// Instance Alamofire extension point.
+    var af: AlamofireExtension<ExtendedType> { get set }
+}
+
+public extension AlamofireExtended {
+    /// Static Alamofire extension point.
+    static var af: AlamofireExtension<Self>.Type {
+        get { return AlamofireExtension<Self>.self }
+        set {}
+    }
+
+    /// Instance Alamofire extension point.
+    var af: AlamofireExtension<Self> {
+        get { return AlamofireExtension(self) }
+        set {}
+    }
+}

Pods/Alamofire/Source/CachedResponseHandler.swift

@@ -0,0 +1,91 @@
+//
+//  CachedResponseHandler.swift
+//
+//  Copyright (c) 2019 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+/// A type that handles whether the data task should store the HTTP response in the cache.
+public protocol CachedResponseHandler {
+    /// Determines whether the HTTP response should be stored in the cache.
+    ///
+    /// The `completion` closure should be passed one of three possible options:
+    ///
+    ///   1. The cached response provided by the server (this is the most common use case).
+    ///   2. A modified version of the cached response (you may want to modify it in some way before caching).
+    ///   3. A `nil` value to prevent the cached response from being stored in the cache.
+    ///
+    /// - Parameters:
+    ///   - task:       The data task whose request resulted in the cached response.
+    ///   - response:   The cached response to potentially store in the cache.
+    ///   - completion: The closure to execute containing cached response, a modified response, or `nil`.
+    func dataTask(_ task: URLSessionDataTask,
+                  willCacheResponse response: CachedURLResponse,
+                  completion: @escaping (CachedURLResponse?) -> Void)
+}
+
+// MARK: -
+
+/// `ResponseCacher` is a convenience `CachedResponseHandler` making it easy to cache, not cache, or modify a cached
+/// response.
+public struct ResponseCacher {
+    /// Defines the behavior of the `ResponseCacher` type.
+    public enum Behavior {
+        /// Stores the cached response in the cache.
+        case cache
+        /// Prevents the cached response from being stored in the cache.
+        case doNotCache
+        /// Modifies the cached response before storing it in the cache.
+        case modify((URLSessionDataTask, CachedURLResponse) -> CachedURLResponse?)
+    }
+
+    /// Returns a `ResponseCacher` with a follow `Behavior`.
+    public static let cache = ResponseCacher(behavior: .cache)
+    /// Returns a `ResponseCacher` with a do not follow `Behavior`.
+    public static let doNotCache = ResponseCacher(behavior: .doNotCache)
+
+    /// The `Behavior` of the `ResponseCacher`.
+    public let behavior: Behavior
+
+    /// Creates a `ResponseCacher` instance from the `Behavior`.
+    ///
+    /// - Parameter behavior: The `Behavior`.
+    public init(behavior: Behavior) {
+        self.behavior = behavior
+    }
+}
+
+extension ResponseCacher: CachedResponseHandler {
+    public func dataTask(_ task: URLSessionDataTask,
+                         willCacheResponse response: CachedURLResponse,
+                         completion: @escaping (CachedURLResponse?) -> Void) {
+        switch behavior {
+        case .cache:
+            completion(response)
+        case .doNotCache:
+            completion(nil)
+        case let .modify(closure):
+            let response = closure(task, response)
+            completion(response)
+        }
+    }
+}

Pods/Alamofire/Source/DispatchQueue+Alamofire.swift

@@ -0,0 +1,37 @@
+//
+//  DispatchQueue+Alamofire.swift
+//
+//  Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Dispatch
+import Foundation
+
+extension DispatchQueue {
+    /// Execute the provided closure after a `TimeInterval`.
+    ///
+    /// - Parameters:
+    ///   - delay:   `TimeInterval` to delay execution.
+    ///   - closure: Closure to execute.
+    func after(_ delay: TimeInterval, execute closure: @escaping () -> Void) {
+        asyncAfter(deadline: .now() + delay, execute: closure)
+    }
+}

Pods/Alamofire/Source/EventMonitor.swift

@@ -0,0 +1,844 @@
+//
+//  EventMonitor.swift
+//
+//  Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+/// Protocol outlining the lifetime events inside Alamofire. It includes both events received from the various
+/// `URLSession` delegate protocols as well as various events from the lifetime of `Request` and its subclasses.
+public protocol EventMonitor {
+    /// The `DispatchQueue` onto which Alamofire's root `CompositeEventMonitor` will dispatch events. `.main` by default.
+    var queue: DispatchQueue { get }
+
+    // MARK: - URLSession Events
+
+    // MARK: URLSessionDelegate Events
+
+    /// Event called during `URLSessionDelegate`'s `urlSession(_:didBecomeInvalidWithError:)` method.
+    func urlSession(_ session: URLSession, didBecomeInvalidWithError error: Error?)
+
+    // MARK: URLSessionTaskDelegate Events
+
+    /// Event called during `URLSessionTaskDelegate`'s `urlSession(_:task:didReceive:completionHandler:)` method.
+    func urlSession(_ session: URLSession, task: URLSessionTask, didReceive challenge: URLAuthenticationChallenge)
+
+    /// Event called during `URLSessionTaskDelegate`'s `urlSession(_:task:didSendBodyData:totalBytesSent:totalBytesExpectedToSend:)` method.
+    func urlSession(_ session: URLSession,
+                    task: URLSessionTask,
+                    didSendBodyData bytesSent: Int64,
+                    totalBytesSent: Int64,
+                    totalBytesExpectedToSend: Int64)
+
+    /// Event called during `URLSessionTaskDelegate`'s `urlSession(_:task:needNewBodyStream:)` method.
+    func urlSession(_ session: URLSession, taskNeedsNewBodyStream task: URLSessionTask)
+
+    /// Event called during `URLSessionTaskDelegate`'s `urlSession(_:task:willPerformHTTPRedirection:newRequest:completionHandler:)` method.
+    func urlSession(_ session: URLSession,
+                    task: URLSessionTask,
+                    willPerformHTTPRedirection response: HTTPURLResponse,
+                    newRequest request: URLRequest)
+
+    /// Event called during `URLSessionTaskDelegate`'s `urlSession(_:task:didFinishCollecting:)` method.
+    func urlSession(_ session: URLSession, task: URLSessionTask, didFinishCollecting metrics: URLSessionTaskMetrics)
+
+    /// Event called during `URLSessionTaskDelegate`'s `urlSession(_:task:didCompleteWithError:)` method.
+    func urlSession(_ session: URLSession, task: URLSessionTask, didCompleteWithError error: Error?)
+
+    /// Event called during `URLSessionTaskDelegate`'s `urlSession(_:taskIsWaitingForConnectivity:)` method.
+    @available(macOS 10.13, iOS 11.0, tvOS 11.0, watchOS 4.0, *)
+    func urlSession(_ session: URLSession, taskIsWaitingForConnectivity task: URLSessionTask)
+
+    // MARK: URLSessionDataDelegate Events
+
+    /// Event called during `URLSessionDataDelegate`'s `urlSession(_:dataTask:didReceive:)` method.
+    func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive data: Data)
+
+    /// Event called during `URLSessionDataDelegate`'s `urlSession(_:dataTask:willCacheResponse:completionHandler:)` method.
+    func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, willCacheResponse proposedResponse: CachedURLResponse)
+
+    // MARK: URLSessionDownloadDelegate Events
+
+    /// Event called during `URLSessionDownloadDelegate`'s `urlSession(_:downloadTask:didResumeAtOffset:expectedTotalBytes:)` method.
+    func urlSession(_ session: URLSession,
+                    downloadTask: URLSessionDownloadTask,
+                    didResumeAtOffset fileOffset: Int64,
+                    expectedTotalBytes: Int64)
+
+    /// Event called during `URLSessionDownloadDelegate`'s `urlSession(_:downloadTask:didWriteData:totalBytesWritten:totalBytesExpectedToWrite:)` method.
+    func urlSession(_ session: URLSession,
+                    downloadTask: URLSessionDownloadTask,
+                    didWriteData bytesWritten: Int64,
+                    totalBytesWritten: Int64,
+                    totalBytesExpectedToWrite: Int64)
+
+    /// Event called during `URLSessionDownloadDelegate`'s `urlSession(_:downloadTask:didFinishDownloadingTo:)` method.
+    func urlSession(_ session: URLSession, downloadTask: URLSessionDownloadTask, didFinishDownloadingTo location: URL)
+
+    // MARK: - Request Events
+
+    /// Event called when a `URLRequest` is first created for a `Request`. If a `RequestAdapter` is active, the
+    /// `URLRequest` will be adapted before being issued.
+    func request(_ request: Request, didCreateInitialURLRequest urlRequest: URLRequest)
+
+    /// Event called when the attempt to create a `URLRequest` from a `Request`'s original `URLRequestConvertible` value fails.
+    func request(_ request: Request, didFailToCreateURLRequestWithError error: AFError)
+
+    /// Event called when a `RequestAdapter` adapts the `Request`'s initial `URLRequest`.
+    func request(_ request: Request, didAdaptInitialRequest initialRequest: URLRequest, to adaptedRequest: URLRequest)
+
+    /// Event called when a `RequestAdapter` fails to adapt the `Request`'s initial `URLRequest`.
+    func request(_ request: Request, didFailToAdaptURLRequest initialRequest: URLRequest, withError error: AFError)
+
+    /// Event called when a final `URLRequest` is created for a `Request`.
+    func request(_ request: Request, didCreateURLRequest urlRequest: URLRequest)
+
+    /// Event called when a `URLSessionTask` subclass instance is created for a `Request`.
+    func request(_ request: Request, didCreateTask task: URLSessionTask)
+
+    /// Event called when a `Request` receives a `URLSessionTaskMetrics` value.
+    func request(_ request: Request, didGatherMetrics metrics: URLSessionTaskMetrics)
+
+    /// Event called when a `Request` fails due to an error created by Alamofire. e.g. When certificate pinning fails.
+    func request(_ request: Request, didFailTask task: URLSessionTask, earlyWithError error: AFError)
+
+    /// Event called when a `Request`'s task completes, possibly with an error. A `Request` may receive this event
+    /// multiple times if it is retried.
+    func request(_ request: Request, didCompleteTask task: URLSessionTask, with error: AFError?)
+
+    /// Event called when a `Request` is about to be retried.
+    func requestIsRetrying(_ request: Request)
+
+    /// Event called when a `Request` finishes and response serializers are being called.
+    func requestDidFinish(_ request: Request)
+
+    /// Event called when a `Request` receives a `resume` call.
+    func requestDidResume(_ request: Request)
+
+    /// Event called when a `Request`'s associated `URLSessionTask` is resumed.
+    func request(_ request: Request, didResumeTask task: URLSessionTask)
+
+    /// Event called when a `Request` receives a `suspend` call.
+    func requestDidSuspend(_ request: Request)
+
+    /// Event called when a `Request`'s associated `URLSessionTask` is suspended.
+    func request(_ request: Request, didSuspendTask task: URLSessionTask)
+
+    /// Event called when a `Request` receives a `cancel` call.
+    func requestDidCancel(_ request: Request)
+
+    /// Event called when a `Request`'s associated `URLSessionTask` is cancelled.
+    func request(_ request: Request, didCancelTask task: URLSessionTask)
+
+    // MARK: DataRequest Events
+
+    /// Event called when a `DataRequest` calls a `Validation`.
+    func request(_ request: DataRequest,
+                 didValidateRequest urlRequest: URLRequest?,
+                 response: HTTPURLResponse,
+                 data: Data?,
+                 withResult result: Request.ValidationResult)
+
+    /// Event called when a `DataRequest` creates a `DataResponse<Data?>` value without calling a `ResponseSerializer`.
+    func request(_ request: DataRequest, didParseResponse response: DataResponse<Data?, AFError>)
+
+    /// Event called when a `DataRequest` calls a `ResponseSerializer` and creates a generic `DataResponse<Value, AFError>`.
+    func request<Value>(_ request: DataRequest, didParseResponse response: DataResponse<Value, AFError>)
+
+    // MARK: UploadRequest Events
+
+    /// Event called when an `UploadRequest` creates its `Uploadable` value, indicating the type of upload it represents.
+    func request(_ request: UploadRequest, didCreateUploadable uploadable: UploadRequest.Uploadable)
+
+    /// Event called when an `UploadRequest` failed to create its `Uploadable` value due to an error.
+    func request(_ request: UploadRequest, didFailToCreateUploadableWithError error: AFError)
+
+    /// Event called when an `UploadRequest` provides the `InputStream` from its `Uploadable` value. This only occurs if
+    /// the `InputStream` does not wrap a `Data` value or file `URL`.
+    func request(_ request: UploadRequest, didProvideInputStream stream: InputStream)
+
+    // MARK: DownloadRequest Events
+
+    /// Event called when a `DownloadRequest`'s `URLSessionDownloadTask` finishes and the temporary file has been moved.
+    func request(_ request: DownloadRequest, didFinishDownloadingUsing task: URLSessionTask, with result: Result<URL, AFError>)
+
+    /// Event called when a `DownloadRequest`'s `Destination` closure is called and creates the destination URL the
+    /// downloaded file will be moved to.
+    func request(_ request: DownloadRequest, didCreateDestinationURL url: URL)
+
+    /// Event called when a `DownloadRequest` calls a `Validation`.
+    func request(_ request: DownloadRequest,
+                 didValidateRequest urlRequest: URLRequest?,
+                 response: HTTPURLResponse,
+                 fileURL: URL?,
+                 withResult result: Request.ValidationResult)
+
+    /// Event called when a `DownloadRequest` creates a `DownloadResponse<URL?, AFError>` without calling a `ResponseSerializer`.
+    func request(_ request: DownloadRequest, didParseResponse response: DownloadResponse<URL?, AFError>)
+
+    /// Event called when a `DownloadRequest` calls a `DownloadResponseSerializer` and creates a generic `DownloadResponse<Value, AFError>`
+    func request<Value>(_ request: DownloadRequest, didParseResponse response: DownloadResponse<Value, AFError>)
+}
+
+extension EventMonitor {
+    /// The default queue on which `CompositeEventMonitor`s will call the `EventMonitor` methods. `.main` by default.
+    public var queue: DispatchQueue { return .main }
+
+    // MARK: Default Implementations
+
+    public func urlSession(_ session: URLSession, didBecomeInvalidWithError error: Error?) {}
+    public func urlSession(_ session: URLSession,
+                           task: URLSessionTask,
+                           didReceive challenge: URLAuthenticationChallenge) {}
+    public func urlSession(_ session: URLSession,
+                           task: URLSessionTask,
+                           didSendBodyData bytesSent: Int64,
+                           totalBytesSent: Int64,
+                           totalBytesExpectedToSend: Int64) {}
+    public func urlSession(_ session: URLSession, taskNeedsNewBodyStream task: URLSessionTask) {}
+    public func urlSession(_ session: URLSession,
+                           task: URLSessionTask,
+                           willPerformHTTPRedirection response: HTTPURLResponse,
+                           newRequest request: URLRequest) {}
+    public func urlSession(_ session: URLSession,
+                           task: URLSessionTask,
+                           didFinishCollecting metrics: URLSessionTaskMetrics) {}
+    public func urlSession(_ session: URLSession, task: URLSessionTask, didCompleteWithError error: Error?) {}
+    public func urlSession(_ session: URLSession, taskIsWaitingForConnectivity task: URLSessionTask) {}
+    public func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive data: Data) {}
+    public func urlSession(_ session: URLSession,
+                           dataTask: URLSessionDataTask,
+                           willCacheResponse proposedResponse: CachedURLResponse) {}
+    public func urlSession(_ session: URLSession,
+                           downloadTask: URLSessionDownloadTask,
+                           didResumeAtOffset fileOffset: Int64,
+                           expectedTotalBytes: Int64) {}
+    public func urlSession(_ session: URLSession,
+                           downloadTask: URLSessionDownloadTask,
+                           didWriteData bytesWritten: Int64,
+                           totalBytesWritten: Int64,
+                           totalBytesExpectedToWrite: Int64) {}
+    public func urlSession(_ session: URLSession,
+                           downloadTask: URLSessionDownloadTask,
+                           didFinishDownloadingTo location: URL) {}
+    public func request(_ request: Request, didCreateInitialURLRequest urlRequest: URLRequest) {}
+    public func request(_ request: Request, didFailToCreateURLRequestWithError error: AFError) {}
+    public func request(_ request: Request,
+                        didAdaptInitialRequest initialRequest: URLRequest,
+                        to adaptedRequest: URLRequest) {}
+    public func request(_ request: Request,
+                        didFailToAdaptURLRequest initialRequest: URLRequest,
+                        withError error: AFError) {}
+    public func request(_ request: Request, didCreateURLRequest urlRequest: URLRequest) {}
+    public func request(_ request: Request, didCreateTask task: URLSessionTask) {}
+    public func request(_ request: Request, didGatherMetrics metrics: URLSessionTaskMetrics) {}
+    public func request(_ request: Request, didFailTask task: URLSessionTask, earlyWithError error: AFError) {}
+    public func request(_ request: Request, didCompleteTask task: URLSessionTask, with error: AFError?) {}
+    public func requestIsRetrying(_ request: Request) {}
+    public func requestDidFinish(_ request: Request) {}
+    public func requestDidResume(_ request: Request) {}
+    public func request(_ request: Request, didResumeTask task: URLSessionTask) {}
+    public func requestDidSuspend(_ request: Request) {}
+    public func request(_ request: Request, didSuspendTask task: URLSessionTask) {}
+    public func requestDidCancel(_ request: Request) {}
+    public func request(_ request: Request, didCancelTask task: URLSessionTask) {}
+    public func request(_ request: DataRequest,
+                        didValidateRequest urlRequest: URLRequest?,
+                        response: HTTPURLResponse,
+                        data: Data?,
+                        withResult result: Request.ValidationResult) {}
+    public func request(_ request: DataRequest, didParseResponse response: DataResponse<Data?, AFError>) {}
+    public func request<Value>(_ request: DataRequest, didParseResponse response: DataResponse<Value, AFError>) {}
+    public func request(_ request: UploadRequest, didCreateUploadable uploadable: UploadRequest.Uploadable) {}
+    public func request(_ request: UploadRequest, didFailToCreateUploadableWithError error: AFError) {}
+    public func request(_ request: UploadRequest, didProvideInputStream stream: InputStream) {}
+    public func request(_ request: DownloadRequest, didFinishDownloadingUsing task: URLSessionTask, with result: Result<URL, AFError>) {}
+    public func request(_ request: DownloadRequest, didCreateDestinationURL url: URL) {}
+    public func request(_ request: DownloadRequest,
+                        didValidateRequest urlRequest: URLRequest?,
+                        response: HTTPURLResponse,
+                        fileURL: URL?,
+                        withResult result: Request.ValidationResult) {}
+    public func request(_ request: DownloadRequest, didParseResponse response: DownloadResponse<URL?, AFError>) {}
+    public func request<Value>(_ request: DownloadRequest, didParseResponse response: DownloadResponse<Value, AFError>) {}
+}
+
+/// An `EventMonitor` which can contain multiple `EventMonitor`s and calls their methods on their queues.
+public final class CompositeEventMonitor: EventMonitor {
+    public let queue = DispatchQueue(label: "org.alamofire.compositeEventMonitor", qos: .background)
+
+    let monitors: [EventMonitor]
+
+    init(monitors: [EventMonitor]) {
+        self.monitors = monitors
+    }
+
+    func performEvent(_ event: @escaping (EventMonitor) -> Void) {
+        queue.async {
+            for monitor in self.monitors {
+                monitor.queue.async { event(monitor) }
+            }
+        }
+    }
+
+    public func urlSession(_ session: URLSession, didBecomeInvalidWithError error: Error?) {
+        performEvent { $0.urlSession(session, didBecomeInvalidWithError: error) }
+    }
+
+    public func urlSession(_ session: URLSession,
+                           task: URLSessionTask,
+                           didReceive challenge: URLAuthenticationChallenge) {
+        performEvent { $0.urlSession(session, task: task, didReceive: challenge) }
+    }
+
+    public func urlSession(_ session: URLSession,
+                           task: URLSessionTask,
+                           didSendBodyData bytesSent: Int64,
+                           totalBytesSent: Int64,
+                           totalBytesExpectedToSend: Int64) {
+        performEvent {
+            $0.urlSession(session,
+                          task: task,
+                          didSendBodyData: bytesSent,
+                          totalBytesSent: totalBytesSent,
+                          totalBytesExpectedToSend: totalBytesExpectedToSend)
+        }
+    }
+
+    public func urlSession(_ session: URLSession, taskNeedsNewBodyStream task: URLSessionTask) {
+        performEvent {
+            $0.urlSession(session, taskNeedsNewBodyStream: task)
+        }
+    }
+
+    public func urlSession(_ session: URLSession,
+                           task: URLSessionTask,
+                           willPerformHTTPRedirection response: HTTPURLResponse,
+                           newRequest request: URLRequest) {
+        performEvent {
+            $0.urlSession(session,
+                          task: task,
+                          willPerformHTTPRedirection: response,
+                          newRequest: request)
+        }
+    }
+
+    public func urlSession(_ session: URLSession, task: URLSessionTask, didFinishCollecting metrics: URLSessionTaskMetrics) {
+        performEvent { $0.urlSession(session, task: task, didFinishCollecting: metrics) }
+    }
+
+    public func urlSession(_ session: URLSession, task: URLSessionTask, didCompleteWithError error: Error?) {
+        performEvent { $0.urlSession(session, task: task, didCompleteWithError: error) }
+    }
+
+    @available(macOS 10.13, iOS 11.0, tvOS 11.0, watchOS 4.0, *)
+    public func urlSession(_ session: URLSession, taskIsWaitingForConnectivity task: URLSessionTask) {
+        performEvent { $0.urlSession(session, taskIsWaitingForConnectivity: task) }
+    }
+
+    public func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive data: Data) {
+        performEvent { $0.urlSession(session, dataTask: dataTask, didReceive: data) }
+    }
+
+    public func urlSession(_ session: URLSession,
+                           dataTask: URLSessionDataTask,
+                           willCacheResponse proposedResponse: CachedURLResponse) {
+        performEvent { $0.urlSession(session, dataTask: dataTask, willCacheResponse: proposedResponse) }
+    }
+
+    public func urlSession(_ session: URLSession,
+                           downloadTask: URLSessionDownloadTask,
+                           didResumeAtOffset fileOffset: Int64,
+                           expectedTotalBytes: Int64) {
+        performEvent {
+            $0.urlSession(session,
+                          downloadTask: downloadTask,
+                          didResumeAtOffset: fileOffset,
+                          expectedTotalBytes: expectedTotalBytes)
+        }
+    }
+
+    public func urlSession(_ session: URLSession,
+                           downloadTask: URLSessionDownloadTask,
+                           didWriteData bytesWritten: Int64,
+                           totalBytesWritten: Int64,
+                           totalBytesExpectedToWrite: Int64) {
+        performEvent {
+            $0.urlSession(session,
+                          downloadTask: downloadTask,
+                          didWriteData: bytesWritten,
+                          totalBytesWritten: totalBytesWritten,
+                          totalBytesExpectedToWrite: totalBytesExpectedToWrite)
+        }
+    }
+
+    public func urlSession(_ session: URLSession,
+                           downloadTask: URLSessionDownloadTask,
+                           didFinishDownloadingTo location: URL) {
+        performEvent { $0.urlSession(session, downloadTask: downloadTask, didFinishDownloadingTo: location) }
+    }
+
+    public func request(_ request: Request, didCreateInitialURLRequest urlRequest: URLRequest) {
+        performEvent { $0.request(request, didCreateInitialURLRequest: urlRequest) }
+    }
+
+    public func request(_ request: Request, didFailToCreateURLRequestWithError error: AFError) {
+        performEvent { $0.request(request, didFailToCreateURLRequestWithError: error) }
+    }
+
+    public func request(_ request: Request, didAdaptInitialRequest initialRequest: URLRequest, to adaptedRequest: URLRequest) {
+        performEvent { $0.request(request, didAdaptInitialRequest: initialRequest, to: adaptedRequest) }
+    }
+
+    public func request(_ request: Request, didFailToAdaptURLRequest initialRequest: URLRequest, withError error: AFError) {
+        performEvent { $0.request(request, didFailToAdaptURLRequest: initialRequest, withError: error) }
+    }
+
+    public func request(_ request: Request, didCreateURLRequest urlRequest: URLRequest) {
+        performEvent { $0.request(request, didCreateURLRequest: urlRequest) }
+    }
+
+    public func request(_ request: Request, didCreateTask task: URLSessionTask) {
+        performEvent { $0.request(request, didCreateTask: task) }
+    }
+
+    public func request(_ request: Request, didGatherMetrics metrics: URLSessionTaskMetrics) {
+        performEvent { $0.request(request, didGatherMetrics: metrics) }
+    }
+
+    public func request(_ request: Request, didFailTask task: URLSessionTask, earlyWithError error: AFError) {
+        performEvent { $0.request(request, didFailTask: task, earlyWithError: error) }
+    }
+
+    public func request(_ request: Request, didCompleteTask task: URLSessionTask, with error: AFError?) {
+        performEvent { $0.request(request, didCompleteTask: task, with: error) }
+    }
+
+    public func requestIsRetrying(_ request: Request) {
+        performEvent { $0.requestIsRetrying(request) }
+    }
+
+    public func requestDidFinish(_ request: Request) {
+        performEvent { $0.requestDidFinish(request) }
+    }
+
+    public func requestDidResume(_ request: Request) {
+        performEvent { $0.requestDidResume(request) }
+    }
+
+    public func request(_ request: Request, didResumeTask task: URLSessionTask) {
+        performEvent { $0.request(request, didResumeTask: task) }
+    }
+
+    public func requestDidSuspend(_ request: Request) {
+        performEvent { $0.requestDidSuspend(request) }
+    }
+
+    public func request(_ request: Request, didSuspendTask task: URLSessionTask) {
+        performEvent { $0.request(request, didSuspendTask: task) }
+    }
+
+    public func requestDidCancel(_ request: Request) {
+        performEvent { $0.requestDidCancel(request) }
+    }
+
+    public func request(_ request: Request, didCancelTask task: URLSessionTask) {
+        performEvent { $0.request(request, didCancelTask: task) }
+    }
+
+    public func request(_ request: DataRequest,
+                        didValidateRequest urlRequest: URLRequest?,
+                        response: HTTPURLResponse,
+                        data: Data?,
+                        withResult result: Request.ValidationResult) {
+        performEvent { $0.request(request,
+                                  didValidateRequest: urlRequest,
+                                  response: response,
+                                  data: data,
+                                  withResult: result)
+        }
+    }
+
+    public func request(_ request: DataRequest, didParseResponse response: DataResponse<Data?, AFError>) {
+        performEvent { $0.request(request, didParseResponse: response) }
+    }
+
+    public func request<Value>(_ request: DataRequest, didParseResponse response: DataResponse<Value, AFError>) {
+        performEvent { $0.request(request, didParseResponse: response) }
+    }
+
+    public func request(_ request: UploadRequest, didCreateUploadable uploadable: UploadRequest.Uploadable) {
+        performEvent { $0.request(request, didCreateUploadable: uploadable) }
+    }
+
+    public func request(_ request: UploadRequest, didFailToCreateUploadableWithError error: AFError) {
+        performEvent { $0.request(request, didFailToCreateUploadableWithError: error) }
+    }
+
+    public func request(_ request: UploadRequest, didProvideInputStream stream: InputStream) {
+        performEvent { $0.request(request, didProvideInputStream: stream) }
+    }
+
+    public func request(_ request: DownloadRequest, didFinishDownloadingUsing task: URLSessionTask, with result: Result<URL, AFError>) {
+        performEvent { $0.request(request, didFinishDownloadingUsing: task, with: result) }
+    }
+
+    public func request(_ request: DownloadRequest, didCreateDestinationURL url: URL) {
+        performEvent { $0.request(request, didCreateDestinationURL: url) }
+    }
+
+    public func request(_ request: DownloadRequest,
+                        didValidateRequest urlRequest: URLRequest?,
+                        response: HTTPURLResponse,
+                        fileURL: URL?,
+                        withResult result: Request.ValidationResult) {
+        performEvent { $0.request(request,
+                                  didValidateRequest: urlRequest,
+                                  response: response,
+                                  fileURL: fileURL,
+                                  withResult: result) }
+    }
+
+    public func request(_ request: DownloadRequest, didParseResponse response: DownloadResponse<URL?, AFError>) {
+        performEvent { $0.request(request, didParseResponse: response) }
+    }
+
+    public func request<Value>(_ request: DownloadRequest, didParseResponse response: DownloadResponse<Value, AFError>) {
+        performEvent { $0.request(request, didParseResponse: response) }
+    }
+}
+
+/// `EventMonitor` that allows optional closures to be set to receive events.
+open class ClosureEventMonitor: EventMonitor {
+    /// Closure called on the `urlSession(_:didBecomeInvalidWithError:)` event.
+    open var sessionDidBecomeInvalidWithError: ((URLSession, Error?) -> Void)?
+
+    /// Closure called on the `urlSession(_:task:didReceive:completionHandler:)`.
+    open var taskDidReceiveChallenge: ((URLSession, URLSessionTask, URLAuthenticationChallenge) -> Void)?
+
+    /// Closure that receives `urlSession(_:task:didSendBodyData:totalBytesSent:totalBytesExpectedToSend:)` event.
+    open var taskDidSendBodyData: ((URLSession, URLSessionTask, Int64, Int64, Int64) -> Void)?
+
+    /// Closure called on the `urlSession(_:task:needNewBodyStream:)` event.
+    open var taskNeedNewBodyStream: ((URLSession, URLSessionTask) -> Void)?
+
+    /// Closure called on the `urlSession(_:task:willPerformHTTPRedirection:newRequest:completionHandler:)` event.
+    open var taskWillPerformHTTPRedirection: ((URLSession, URLSessionTask, HTTPURLResponse, URLRequest) -> Void)?
+
+    /// Closure called on the `urlSession(_:task:didFinishCollecting:)` event.
+    open var taskDidFinishCollectingMetrics: ((URLSession, URLSessionTask, URLSessionTaskMetrics) -> Void)?
+
+    /// Closure called on the `urlSession(_:task:didCompleteWithError:)` event.
+    open var taskDidComplete: ((URLSession, URLSessionTask, Error?) -> Void)?
+
+    /// Closure called on the `urlSession(_:taskIsWaitingForConnectivity:)` event.
+    open var taskIsWaitingForConnectivity: ((URLSession, URLSessionTask) -> Void)?
+
+    /// Closure that receives the `urlSession(_:dataTask:didReceive:)` event.
+    open var dataTaskDidReceiveData: ((URLSession, URLSessionDataTask, Data) -> Void)?
+
+    /// Closure called on the `urlSession(_:dataTask:willCacheResponse:completionHandler:)` event.
+    open var dataTaskWillCacheResponse: ((URLSession, URLSessionDataTask, CachedURLResponse) -> Void)?
+
+    /// Closure called on the `urlSession(_:downloadTask:didFinishDownloadingTo:)` event.
+    open var downloadTaskDidFinishDownloadingToURL: ((URLSession, URLSessionDownloadTask, URL) -> Void)?
+
+    /// Closure called on the `urlSession(_:downloadTask:didWriteData:totalBytesWritten:totalBytesExpectedToWrite:)`
+    /// event.
+    open var downloadTaskDidWriteData: ((URLSession, URLSessionDownloadTask, Int64, Int64, Int64) -> Void)?
+
+    /// Closure called on the `urlSession(_:downloadTask:didResumeAtOffset:expectedTotalBytes:)` event.
+    open var downloadTaskDidResumeAtOffset: ((URLSession, URLSessionDownloadTask, Int64, Int64) -> Void)?
+
+    // MARK: - Request Events
+
+    /// Closure called on the `request(_:didCreateInitialURLRequest:)` event.
+    open var requestDidCreateInitialURLRequest: ((Request, URLRequest) -> Void)?
+
+    /// Closure called on the `request(_:didFailToCreateURLRequestWithError:)` event.
+    open var requestDidFailToCreateURLRequestWithError: ((Request, AFError) -> Void)?
+
+    /// Closure called on the `request(_:didAdaptInitialRequest:to:)` event.
+    open var requestDidAdaptInitialRequestToAdaptedRequest: ((Request, URLRequest, URLRequest) -> Void)?
+
+    /// Closure called on the `request(_:didFailToAdaptURLRequest:withError:)` event.
+    open var requestDidFailToAdaptURLRequestWithError: ((Request, URLRequest, AFError) -> Void)?
+
+    /// Closure called on the `request(_:didCreateURLRequest:)` event.
+    open var requestDidCreateURLRequest: ((Request, URLRequest) -> Void)?
+
+    /// Closure called on the `request(_:didCreateTask:)` event.
+    open var requestDidCreateTask: ((Request, URLSessionTask) -> Void)?
+
+    /// Closure called on the `request(_:didGatherMetrics:)` event.
+    open var requestDidGatherMetrics: ((Request, URLSessionTaskMetrics) -> Void)?
+
+    /// Closure called on the `request(_:didFailTask:earlyWithError:)` event.
+    open var requestDidFailTaskEarlyWithError: ((Request, URLSessionTask, AFError) -> Void)?
+
+    /// Closure called on the `request(_:didCompleteTask:with:)` event.
+    open var requestDidCompleteTaskWithError: ((Request, URLSessionTask, AFError?) -> Void)?
+
+    /// Closure called on the `requestIsRetrying(_:)` event.
+    open var requestIsRetrying: ((Request) -> Void)?
+
+    /// Closure called on the `requestDidFinish(_:)` event.
+    open var requestDidFinish: ((Request) -> Void)?
+
+    /// Closure called on the `requestDidResume(_:)` event.
+    open var requestDidResume: ((Request) -> Void)?
+
+    /// Closure called on the `request(_:didResumeTask:)` event.
+    open var requestDidResumeTask: ((Request, URLSessionTask) -> Void)?
+
+    /// Closure called on the `requestDidSuspend(_:)` event.
+    open var requestDidSuspend: ((Request) -> Void)?
+
+    /// Closure called on the `request(_:didSuspendTask:)` event.
+    open var requestDidSuspendTask: ((Request, URLSessionTask) -> Void)?
+
+    /// Closure called on the `requestDidCancel(_:)` event.
+    open var requestDidCancel: ((Request) -> Void)?
+
+    /// Closure called on the `request(_:didCancelTask:)` event.
+    open var requestDidCancelTask: ((Request, URLSessionTask) -> Void)?
+
+    /// Closure called on the `request(_:didValidateRequest:response:data:withResult:)` event.
+    open var requestDidValidateRequestResponseDataWithResult: ((DataRequest, URLRequest?, HTTPURLResponse, Data?, Request.ValidationResult) -> Void)?
+
+    /// Closure called on the `request(_:didParseResponse:)` event.
+    open var requestDidParseResponse: ((DataRequest, DataResponse<Data?, AFError>) -> Void)?
+
+    /// Closure called on the `request(_:didCreateUploadable:)` event.
+    open var requestDidCreateUploadable: ((UploadRequest, UploadRequest.Uploadable) -> Void)?
+
+    /// Closure called on the `request(_:didFailToCreateUploadableWithError:)` event.
+    open var requestDidFailToCreateUploadableWithError: ((UploadRequest, AFError) -> Void)?
+
+    /// Closure called on the `request(_:didProvideInputStream:)` event.
+    open var requestDidProvideInputStream: ((UploadRequest, InputStream) -> Void)?
+
+    /// Closure called on the `request(_:didFinishDownloadingUsing:with:)` event.
+    open var requestDidFinishDownloadingUsingTaskWithResult: ((DownloadRequest, URLSessionTask, Result<URL, AFError>) -> Void)?
+
+    /// Closure called on the `request(_:didCreateDestinationURL:)` event.
+    open var requestDidCreateDestinationURL: ((DownloadRequest, URL) -> Void)?
+
+    /// Closure called on the `request(_:didValidateRequest:response:temporaryURL:destinationURL:withResult:)` event.
+    open var requestDidValidateRequestResponseFileURLWithResult: ((DownloadRequest, URLRequest?, HTTPURLResponse, URL?, Request.ValidationResult) -> Void)?
+
+    /// Closure called on the `request(_:didParseResponse:)` event.
+    open var requestDidParseDownloadResponse: ((DownloadRequest, DownloadResponse<URL?, AFError>) -> Void)?
+
+    public let queue: DispatchQueue
+
+    /// Creates an instance using the provided queue.
+    ///
+    /// - Parameter queue: `DispatchQueue` on which events will fired. `.main` by default.
+    public init(queue: DispatchQueue = .main) {
+        self.queue = queue
+    }
+
+    open func urlSession(_ session: URLSession, didBecomeInvalidWithError error: Error?) {
+        sessionDidBecomeInvalidWithError?(session, error)
+    }
+
+    open func urlSession(_ session: URLSession, task: URLSessionTask, didReceive challenge: URLAuthenticationChallenge) {
+        taskDidReceiveChallenge?(session, task, challenge)
+    }
+
+    open func urlSession(_ session: URLSession,
+                         task: URLSessionTask,
+                         didSendBodyData bytesSent: Int64,
+                         totalBytesSent: Int64,
+                         totalBytesExpectedToSend: Int64) {
+        taskDidSendBodyData?(session, task, bytesSent, totalBytesSent, totalBytesExpectedToSend)
+    }
+
+    open func urlSession(_ session: URLSession, taskNeedsNewBodyStream task: URLSessionTask) {
+        taskNeedNewBodyStream?(session, task)
+    }
+
+    open func urlSession(_ session: URLSession,
+                         task: URLSessionTask,
+                         willPerformHTTPRedirection response: HTTPURLResponse,
+                         newRequest request: URLRequest) {
+        taskWillPerformHTTPRedirection?(session, task, response, request)
+    }
+
+    open func urlSession(_ session: URLSession, task: URLSessionTask, didFinishCollecting metrics: URLSessionTaskMetrics) {
+        taskDidFinishCollectingMetrics?(session, task, metrics)
+    }
+
+    open func urlSession(_ session: URLSession, task: URLSessionTask, didCompleteWithError error: Error?) {
+        taskDidComplete?(session, task, error)
+    }
+
+    open func urlSession(_ session: URLSession, taskIsWaitingForConnectivity task: URLSessionTask) {
+        taskIsWaitingForConnectivity?(session, task)
+    }
+
+    open func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive data: Data) {
+        dataTaskDidReceiveData?(session, dataTask, data)
+    }
+
+    open func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, willCacheResponse proposedResponse: CachedURLResponse) {
+        dataTaskWillCacheResponse?(session, dataTask, proposedResponse)
+    }
+
+    open func urlSession(_ session: URLSession,
+                         downloadTask: URLSessionDownloadTask,
+                         didResumeAtOffset fileOffset: Int64,
+                         expectedTotalBytes: Int64) {
+        downloadTaskDidResumeAtOffset?(session, downloadTask, fileOffset, expectedTotalBytes)
+    }
+
+    open func urlSession(_ session: URLSession,
+                         downloadTask: URLSessionDownloadTask,
+                         didWriteData bytesWritten: Int64,
+                         totalBytesWritten: Int64,
+                         totalBytesExpectedToWrite: Int64) {
+        downloadTaskDidWriteData?(session, downloadTask, bytesWritten, totalBytesWritten, totalBytesExpectedToWrite)
+    }
+
+    open func urlSession(_ session: URLSession, downloadTask: URLSessionDownloadTask, didFinishDownloadingTo location: URL) {
+        downloadTaskDidFinishDownloadingToURL?(session, downloadTask, location)
+    }
+
+    // MARK: Request Events
+
+    open func request(_ request: Request, didCreateInitialURLRequest urlRequest: URLRequest) {
+        requestDidCreateInitialURLRequest?(request, urlRequest)
+    }
+
+    open func request(_ request: Request, didFailToCreateURLRequestWithError error: AFError) {
+        requestDidFailToCreateURLRequestWithError?(request, error)
+    }
+
+    open func request(_ request: Request, didAdaptInitialRequest initialRequest: URLRequest, to adaptedRequest: URLRequest) {
+        requestDidAdaptInitialRequestToAdaptedRequest?(request, initialRequest, adaptedRequest)
+    }
+
+    open func request(_ request: Request, didFailToAdaptURLRequest initialRequest: URLRequest, withError error: AFError) {
+        requestDidFailToAdaptURLRequestWithError?(request, initialRequest, error)
+    }
+
+    open func request(_ request: Request, didCreateURLRequest urlRequest: URLRequest) {
+        requestDidCreateURLRequest?(request, urlRequest)
+    }
+
+    open func request(_ request: Request, didCreateTask task: URLSessionTask) {
+        requestDidCreateTask?(request, task)
+    }
+
+    open func request(_ request: Request, didGatherMetrics metrics: URLSessionTaskMetrics) {
+        requestDidGatherMetrics?(request, metrics)
+    }
+
+    open func request(_ request: Request, didFailTask task: URLSessionTask, earlyWithError error: AFError) {
+        requestDidFailTaskEarlyWithError?(request, task, error)
+    }
+
+    open func request(_ request: Request, didCompleteTask task: URLSessionTask, with error: AFError?) {
+        requestDidCompleteTaskWithError?(request, task, error)
+    }
+
+    open func requestIsRetrying(_ request: Request) {
+        requestIsRetrying?(request)
+    }
+
+    open func requestDidFinish(_ request: Request) {
+        requestDidFinish?(request)
+    }
+
+    open func requestDidResume(_ request: Request) {
+        requestDidResume?(request)
+    }
+
+    public func request(_ request: Request, didResumeTask task: URLSessionTask) {
+        requestDidResumeTask?(request, task)
+    }
+
+    open func requestDidSuspend(_ request: Request) {
+        requestDidSuspend?(request)
+    }
+
+    public func request(_ request: Request, didSuspendTask task: URLSessionTask) {
+        requestDidSuspendTask?(request, task)
+    }
+
+    open func requestDidCancel(_ request: Request) {
+        requestDidCancel?(request)
+    }
+
+    public func request(_ request: Request, didCancelTask task: URLSessionTask) {
+        requestDidCancelTask?(request, task)
+    }
+
+    open func request(_ request: DataRequest,
+                      didValidateRequest urlRequest: URLRequest?,
+                      response: HTTPURLResponse,
+                      data: Data?,
+                      withResult result: Request.ValidationResult) {
+        requestDidValidateRequestResponseDataWithResult?(request, urlRequest, response, data, result)
+    }
+
+    open func request(_ request: DataRequest, didParseResponse response: DataResponse<Data?, AFError>) {
+        requestDidParseResponse?(request, response)
+    }
+
+    open func request(_ request: UploadRequest, didCreateUploadable uploadable: UploadRequest.Uploadable) {
+        requestDidCreateUploadable?(request, uploadable)
+    }
+
+    open func request(_ request: UploadRequest, didFailToCreateUploadableWithError error: AFError) {
+        requestDidFailToCreateUploadableWithError?(request, error)
+    }
+
+    open func request(_ request: UploadRequest, didProvideInputStream stream: InputStream) {
+        requestDidProvideInputStream?(request, stream)
+    }
+
+    open func request(_ request: DownloadRequest, didFinishDownloadingUsing task: URLSessionTask, with result: Result<URL, AFError>) {
+        requestDidFinishDownloadingUsingTaskWithResult?(request, task, result)
+    }
+
+    open func request(_ request: DownloadRequest, didCreateDestinationURL url: URL) {
+        requestDidCreateDestinationURL?(request, url)
+    }
+
+    open func request(_ request: DownloadRequest,
+                      didValidateRequest urlRequest: URLRequest?,
+                      response: HTTPURLResponse,
+                      fileURL: URL?,
+                      withResult result: Request.ValidationResult) {
+        requestDidValidateRequestResponseFileURLWithResult?(request,
+                                                            urlRequest,
+                                                            response,
+                                                            fileURL,
+                                                            result)
+    }
+
+    open func request(_ request: DownloadRequest, didParseResponse response: DownloadResponse<URL?, AFError>) {
+        requestDidParseDownloadResponse?(request, response)
+    }
+}

Pods/Alamofire/Source/HTTPHeaders.swift

@@ -0,0 +1,445 @@
+//
+//  HTTPHeaders.swift
+//
+//  Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+/// An order-preserving and case-insensitive representation of HTTP headers.
+public struct HTTPHeaders {
+    private var headers: [HTTPHeader] = []
+
+    /// Creates an empty instance.
+    public init() {}
+
+    /// Creates an instance from an array of `HTTPHeader`s. Duplicate case-insensitive names are collapsed into the last
+    /// name and value encountered.
+    public init(_ headers: [HTTPHeader]) {
+        self.init()
+
+        headers.forEach { update($0) }
+    }
+
+    /// Creates an instance from a `[String: String]`. Duplicate case-insensitive names are collapsed into the last name
+    /// and value encountered.
+    public init(_ dictionary: [String: String]) {
+        self.init()
+
+        dictionary.forEach { update(HTTPHeader(name: $0.key, value: $0.value)) }
+    }
+
+    /// Case-insensitively updates or appends an `HTTPHeader` into the instance using the provided `name` and `value`.
+    ///
+    /// - Parameters:
+    ///   - name:  The `HTTPHeader` name.
+    ///   - value: The `HTTPHeader value.
+    public mutating func add(name: String, value: String) {
+        update(HTTPHeader(name: name, value: value))
+    }
+
+    /// Case-insensitively updates or appends the provided `HTTPHeader` into the instance.
+    ///
+    /// - Parameter header: The `HTTPHeader` to update or append.
+    public mutating func add(_ header: HTTPHeader) {
+        update(header)
+    }
+
+    /// Case-insensitively updates or appends an `HTTPHeader` into the instance using the provided `name` and `value`.
+    ///
+    /// - Parameters:
+    ///   - name:  The `HTTPHeader` name.
+    ///   - value: The `HTTPHeader value.
+    public mutating func update(name: String, value: String) {
+        update(HTTPHeader(name: name, value: value))
+    }
+
+    /// Case-insensitively updates or appends the provided `HTTPHeader` into the instance.
+    ///
+    /// - Parameter header: The `HTTPHeader` to update or append.
+    public mutating func update(_ header: HTTPHeader) {
+        guard let index = headers.index(of: header.name) else {
+            headers.append(header)
+            return
+        }
+
+        headers.replaceSubrange(index...index, with: [header])
+    }
+
+    /// Case-insensitively removes an `HTTPHeader`, if it exists, from the instance.
+    ///
+    /// - Parameter name: The name of the `HTTPHeader` to remove.
+    public mutating func remove(name: String) {
+        guard let index = headers.index(of: name) else { return }
+
+        headers.remove(at: index)
+    }
+
+    /// Sort the current instance by header name.
+    public mutating func sort() {
+        headers.sort { $0.name < $1.name }
+    }
+
+    /// Returns an instance sorted by header name.
+    ///
+    /// - Returns: A copy of the current instance sorted by name.
+    public func sorted() -> HTTPHeaders {
+        return HTTPHeaders(headers.sorted { $0.name < $1.name })
+    }
+
+    /// Case-insensitively find a header's value by name.
+    ///
+    /// - Parameter name: The name of the header to search for, case-insensitively.
+    ///
+    /// - Returns:        The value of header, if it exists.
+    public func value(for name: String) -> String? {
+        guard let index = headers.index(of: name) else { return nil }
+
+        return headers[index].value
+    }
+
+    /// Case-insensitively access the header with the given name.
+    ///
+    /// - Parameter name: The name of the header.
+    public subscript(_ name: String) -> String? {
+        get { return value(for: name) }
+        set {
+            if let value = newValue {
+                update(name: name, value: value)
+            } else {
+                remove(name: name)
+            }
+        }
+    }
+
+    /// The dictionary representation of all headers.
+    ///
+    /// This representation does not preserve the current order of the instance.
+    public var dictionary: [String: String] {
+        let namesAndValues = headers.map { ($0.name, $0.value) }
+
+        return Dictionary(namesAndValues, uniquingKeysWith: { _, last in last })
+    }
+}
+
+extension HTTPHeaders: ExpressibleByDictionaryLiteral {
+    public init(dictionaryLiteral elements: (String, String)...) {
+        self.init()
+
+        elements.forEach { update(name: $0.0, value: $0.1) }
+    }
+}
+
+extension HTTPHeaders: ExpressibleByArrayLiteral {
+    public init(arrayLiteral elements: HTTPHeader...) {
+        self.init(elements)
+    }
+}
+
+extension HTTPHeaders: Sequence {
+    public func makeIterator() -> IndexingIterator<[HTTPHeader]> {
+        return headers.makeIterator()
+    }
+}
+
+extension HTTPHeaders: Collection {
+    public var startIndex: Int {
+        return headers.startIndex
+    }
+
+    public var endIndex: Int {
+        return headers.endIndex
+    }
+
+    public subscript(position: Int) -> HTTPHeader {
+        return headers[position]
+    }
+
+    public func index(after i: Int) -> Int {
+        return headers.index(after: i)
+    }
+}
+
+extension HTTPHeaders: CustomStringConvertible {
+    public var description: String {
+        return headers.map { $0.description }
+            .joined(separator: "\n")
+    }
+}
+
+// MARK: - HTTPHeader
+
+/// A representation of a single HTTP header's name / value pair.
+public struct HTTPHeader: Hashable {
+    /// Name of the header.
+    public let name: String
+
+    /// Value of the header.
+    public let value: String
+
+    /// Creates an instance from the given `name` and `value`.
+    ///
+    /// - Parameters:
+    ///   - name:  The name of the header.
+    ///   - value: The value of the header.
+    public init(name: String, value: String) {
+        self.name = name
+        self.value = value
+    }
+}
+
+extension HTTPHeader: CustomStringConvertible {
+    public var description: String {
+        return "\(name): \(value)"
+    }
+}
+
+extension HTTPHeader {
+    /// Returns an `Accept` header.
+    ///
+    /// - Parameter value: The `Accept` value.
+    /// - Returns:         The header.
+    public static func accept(_ value: String) -> HTTPHeader {
+        return HTTPHeader(name: "Accept", value: value)
+    }
+
+    /// Returns an `Accept-Charset` header.
+    ///
+    /// - Parameter value: The `Accept-Charset` value.
+    /// - Returns:         The header.
+    public static func acceptCharset(_ value: String) -> HTTPHeader {
+        return HTTPHeader(name: "Accept-Charset", value: value)
+    }
+
+    /// Returns an `Accept-Language` header.
+    ///
+    /// Alamofire offers a default Accept-Language header that accumulates and encodes the system's preferred languages.
+    /// Use `HTTPHeader.defaultAcceptLanguage`.
+    ///
+    /// - Parameter value: The `Accept-Language` value.
+    ///
+    /// - Returns:         The header.
+    public static func acceptLanguage(_ value: String) -> HTTPHeader {
+        return HTTPHeader(name: "Accept-Language", value: value)
+    }
+
+    /// Returns an `Accept-Encoding` header.
+    ///
+    /// Alamofire offers a default accept encoding value that provides the most common values. Use
+    /// `HTTPHeader.defaultAcceptEncoding`.
+    ///
+    /// - Parameter value: The `Accept-Encoding` value.
+    ///
+    /// - Returns:         The header
+    public static func acceptEncoding(_ value: String) -> HTTPHeader {
+        return HTTPHeader(name: "Accept-Encoding", value: value)
+    }
+
+    /// Returns a `Basic` `Authorization` header using the `username` and `password` provided.
+    ///
+    /// - Parameters:
+    ///   - username: The username of the header.
+    ///   - password: The password of the header.
+    ///
+    /// - Returns:    The header.
+    public static func authorization(username: String, password: String) -> HTTPHeader {
+        let credential = Data("\(username):\(password)".utf8).base64EncodedString()
+
+        return authorization("Basic \(credential)")
+    }
+
+    /// Returns a `Bearer` `Authorization` header using the `bearerToken` provided
+    ///
+    /// - Parameter bearerToken: The bearer token.
+    ///
+    /// - Returns:               The header.
+    public static func authorization(bearerToken: String) -> HTTPHeader {
+        return authorization("Bearer \(bearerToken)")
+    }
+
+    /// Returns an `Authorization` header.
+    ///
+    /// Alamofire provides built-in methods to produce `Authorization` headers. For a Basic `Authorization` header use
+    /// `HTTPHeader.authorization(username:password:)`. For a Bearer `Authorization` header, use
+    /// `HTTPHeader.authorization(bearerToken:)`.
+    ///
+    /// - Parameter value: The `Authorization` value.
+    ///
+    /// - Returns:         The header.
+    public static func authorization(_ value: String) -> HTTPHeader {
+        return HTTPHeader(name: "Authorization", value: value)
+    }
+
+    /// Returns a `Content-Disposition` header.
+    ///
+    /// - Parameter value: The `Content-Disposition` value.
+    ///
+    /// - Returns:         The header.
+    public static func contentDisposition(_ value: String) -> HTTPHeader {
+        return HTTPHeader(name: "Content-Disposition", value: value)
+    }
+
+    /// Returns a `Content-Type` header.
+    ///
+    /// All Alamofire `ParameterEncoding`s and `ParameterEncoder`s set the `Content-Type` of the request, so it may not be necessary to manually
+    /// set this value.
+    ///
+    /// - Parameter value: The `Content-Type` value.
+    ///
+    /// - Returns:         The header.
+    public static func contentType(_ value: String) -> HTTPHeader {
+        return HTTPHeader(name: "Content-Type", value: value)
+    }
+
+    /// Returns a `User-Agent` header.
+    ///
+    /// - Parameter value: The `User-Agent` value.
+    ///
+    /// - Returns:         The header.
+    public static func userAgent(_ value: String) -> HTTPHeader {
+        return HTTPHeader(name: "User-Agent", value: value)
+    }
+}
+
+extension Array where Element == HTTPHeader {
+    /// Case-insensitively finds the index of an `HTTPHeader` with the provided name, if it exists.
+    func index(of name: String) -> Int? {
+        let lowercasedName = name.lowercased()
+        return firstIndex { $0.name.lowercased() == lowercasedName }
+    }
+}
+
+// MARK: - Defaults
+
+public extension HTTPHeaders {
+    /// The default set of `HTTPHeaders` used by Alamofire. Includes `Accept-Encoding`, `Accept-Language`, and
+    /// `User-Agent`.
+    static let `default`: HTTPHeaders = [.defaultAcceptEncoding,
+                                         .defaultAcceptLanguage,
+                                         .defaultUserAgent]
+}
+
+extension HTTPHeader {
+    /// Returns Alamofire's default `Accept-Encoding` header, appropriate for the encodings supported by particular OS
+    /// versions.
+    ///
+    /// See the [Accept-Encoding HTTP header documentation](https://tools.ietf.org/html/rfc7230#section-4.2.3) .
+    public static let defaultAcceptEncoding: HTTPHeader = {
+        let encodings: [String]
+        if #available(iOS 11.0, macOS 10.13, tvOS 11.0, watchOS 4.0, *) {
+            encodings = ["br", "gzip", "deflate"]
+        } else {
+            encodings = ["gzip", "deflate"]
+        }
+
+        return .acceptEncoding(encodings.qualityEncoded())
+    }()
+
+    /// Returns Alamofire's default `Accept-Language` header, generated by querying `Locale` for the user's
+    /// `preferredLanguages`.
+    ///
+    /// See the [Accept-Language HTTP header documentation](https://tools.ietf.org/html/rfc7231#section-5.3.5).
+    public static let defaultAcceptLanguage: HTTPHeader = {
+        .acceptLanguage(Locale.preferredLanguages.prefix(6).qualityEncoded())
+    }()
+
+    /// Returns Alamofire's default `User-Agent` header.
+    ///
+    /// See the [User-Agent header documentation](https://tools.ietf.org/html/rfc7231#section-5.5.3).
+    ///
+    /// Example: `iOS Example/1.0 (org.alamofire.iOS-Example; build:1; iOS 13.0.0) Alamofire/5.0.0`
+    public static let defaultUserAgent: HTTPHeader = {
+        let userAgent: String = {
+            if let info = Bundle.main.infoDictionary {
+                let executable = info[kCFBundleExecutableKey as String] as? String ?? "Unknown"
+                let bundle = info[kCFBundleIdentifierKey as String] as? String ?? "Unknown"
+                let appVersion = info["CFBundleShortVersionString"] as? String ?? "Unknown"
+                let appBuild = info[kCFBundleVersionKey as String] as? String ?? "Unknown"
+
+                let osNameVersion: String = {
+                    let version = ProcessInfo.processInfo.operatingSystemVersion
+                    let versionString = "\(version.majorVersion).\(version.minorVersion).\(version.patchVersion)"
+                    // swiftformat:disable indent
+                    let osName: String = {
+                    #if os(iOS)
+                        return "iOS"
+                    #elseif os(watchOS)
+                        return "watchOS"
+                    #elseif os(tvOS)
+                        return "tvOS"
+                    #elseif os(macOS)
+                        return "macOS"
+                    #elseif os(Linux)
+                        return "Linux"
+                    #else
+                        return "Unknown"
+                    #endif
+                    }()
+                    // swiftformat:enable indent
+
+                    return "\(osName) \(versionString)"
+                }()
+
+                let alamofireVersion = "Alamofire/\(AF.version)"
+
+                return "\(executable)/\(appVersion) (\(bundle); build:\(appBuild); \(osNameVersion)) \(alamofireVersion)"
+            }
+
+            return "Alamofire"
+        }()
+
+        return .userAgent(userAgent)
+    }()
+}
+
+extension Collection where Element == String {
+    func qualityEncoded() -> String {
+        return enumerated().map { index, encoding in
+            let quality = 1.0 - (Double(index) * 0.1)
+            return "\(encoding);q=\(quality)"
+        }.joined(separator: ", ")
+    }
+}
+
+// MARK: - System Type Extensions
+
+extension URLRequest {
+    /// Returns `allHTTPHeaderFields` as `HTTPHeaders`.
+    public var headers: HTTPHeaders {
+        get { return allHTTPHeaderFields.map(HTTPHeaders.init) ?? HTTPHeaders() }
+        set { allHTTPHeaderFields = newValue.dictionary }
+    }
+}
+
+extension HTTPURLResponse {
+    /// Returns `allHeaderFields` as `HTTPHeaders`.
+    public var headers: HTTPHeaders {
+        return (allHeaderFields as? [String: String]).map(HTTPHeaders.init) ?? HTTPHeaders()
+    }
+}
+
+public extension URLSessionConfiguration {
+    /// Returns `httpAdditionalHeaders` as `HTTPHeaders`.
+    var headers: HTTPHeaders {
+        get { return (httpAdditionalHeaders as? [String: String]).map(HTTPHeaders.init) ?? HTTPHeaders() }
+        set { httpAdditionalHeaders = newValue.dictionary }
+    }
+}

Pods/Alamofire/Source/HTTPMethod.swift

@@ -0,0 +1,54 @@
+//
+//  HTTPMethod.swift
+//
+//  Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+/// Type representing HTTP methods. Raw `String` value is stored and compared case-sensitively, so
+/// `HTTPMethod.get != HTTPMethod(rawValue: "get")`.
+///
+/// See https://tools.ietf.org/html/rfc7231#section-4.3
+public struct HTTPMethod: RawRepresentable, Equatable, Hashable {
+    /// `CONNECT` method.
+    public static let connect = HTTPMethod(rawValue: "CONNECT")
+    /// `DELETE` method.
+    public static let delete = HTTPMethod(rawValue: "DELETE")
+    /// `GET` method.
+    public static let get = HTTPMethod(rawValue: "GET")
+    /// `HEAD` method.
+    public static let head = HTTPMethod(rawValue: "HEAD")
+    /// `OPTIONS` method.
+    public static let options = HTTPMethod(rawValue: "OPTIONS")
+    /// `PATCH` method.
+    public static let patch = HTTPMethod(rawValue: "PATCH")
+    /// `POST` method.
+    public static let post = HTTPMethod(rawValue: "POST")
+    /// `PUT` method.
+    public static let put = HTTPMethod(rawValue: "PUT")
+    /// `TRACE` method.
+    public static let trace = HTTPMethod(rawValue: "TRACE")
+
+    public let rawValue: String
+
+    public init(rawValue: String) {
+        self.rawValue = rawValue
+    }
+}

Pods/Alamofire/Source/MultipartFormData.swift

@@ -0,0 +1,544 @@
+//
+//  MultipartFormData.swift
+//
+//  Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+#if os(iOS) || os(watchOS) || os(tvOS)
+import MobileCoreServices
+#elseif os(macOS)
+import CoreServices
+#endif
+
+/// Constructs `multipart/form-data` for uploads within an HTTP or HTTPS body. There are currently two ways to encode
+/// multipart form data. The first way is to encode the data directly in memory. This is very efficient, but can lead
+/// to memory issues if the dataset is too large. The second way is designed for larger datasets and will write all the
+/// data to a single file on disk with all the proper boundary segmentation. The second approach MUST be used for
+/// larger datasets such as video content, otherwise your app may run out of memory when trying to encode the dataset.
+///
+/// For more information on `multipart/form-data` in general, please refer to the RFC-2388 and RFC-2045 specs as well
+/// and the w3 form documentation.
+///
+/// - https://www.ietf.org/rfc/rfc2388.txt
+/// - https://www.ietf.org/rfc/rfc2045.txt
+/// - https://www.w3.org/TR/html401/interact/forms.html#h-17.13
+open class MultipartFormData {
+    // MARK: - Helper Types
+
+    struct EncodingCharacters {
+        static let crlf = "\r\n"
+    }
+
+    struct BoundaryGenerator {
+        enum BoundaryType {
+            case initial, encapsulated, final
+        }
+
+        static func randomBoundary() -> String {
+            return String(format: "alamofire.boundary.%08x%08x", arc4random(), arc4random())
+        }
+
+        static func boundaryData(forBoundaryType boundaryType: BoundaryType, boundary: String) -> Data {
+            let boundaryText: String
+
+            switch boundaryType {
+            case .initial:
+                boundaryText = "--\(boundary)\(EncodingCharacters.crlf)"
+            case .encapsulated:
+                boundaryText = "\(EncodingCharacters.crlf)--\(boundary)\(EncodingCharacters.crlf)"
+            case .final:
+                boundaryText = "\(EncodingCharacters.crlf)--\(boundary)--\(EncodingCharacters.crlf)"
+            }
+
+            return Data(boundaryText.utf8)
+        }
+    }
+
+    class BodyPart {
+        let headers: HTTPHeaders
+        let bodyStream: InputStream
+        let bodyContentLength: UInt64
+        var hasInitialBoundary = false
+        var hasFinalBoundary = false
+
+        init(headers: HTTPHeaders, bodyStream: InputStream, bodyContentLength: UInt64) {
+            self.headers = headers
+            self.bodyStream = bodyStream
+            self.bodyContentLength = bodyContentLength
+        }
+    }
+
+    // MARK: - Properties
+
+    /// Default memory threshold used when encoding `MultipartFormData`, in bytes.
+    public static let encodingMemoryThreshold: UInt64 = 10_000_000
+
+    /// The `Content-Type` header value containing the boundary used to generate the `multipart/form-data`.
+    open lazy var contentType: String = "multipart/form-data; boundary=\(self.boundary)"
+
+    /// The content length of all body parts used to generate the `multipart/form-data` not including the boundaries.
+    public var contentLength: UInt64 { return bodyParts.reduce(0) { $0 + $1.bodyContentLength } }
+
+    /// The boundary used to separate the body parts in the encoded form data.
+    public let boundary: String
+
+    let fileManager: FileManager
+
+    private var bodyParts: [BodyPart]
+    private var bodyPartError: AFError?
+    private let streamBufferSize: Int
+
+    // MARK: - Lifecycle
+
+    /// Creates an instance.
+    ///
+    /// - Parameters:
+    ///   - fileManager: `FileManager` to use for file operations, if needed.
+    ///   - boundary: Boundary `String` used to separate body parts.
+    public init(fileManager: FileManager = .default, boundary: String? = nil) {
+        self.fileManager = fileManager
+        self.boundary = boundary ?? BoundaryGenerator.randomBoundary()
+        bodyParts = []
+
+        //
+        // The optimal read/write buffer size in bytes for input and output streams is 1024 (1KB). For more
+        // information, please refer to the following article:
+        //   - https://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/Streams/Articles/ReadingInputStreams.html
+        //
+        streamBufferSize = 1024
+    }
+
+    // MARK: - Body Parts
+
+    /// Creates a body part from the data and appends it to the instance.
+    ///
+    /// The body part data will be encoded using the following format:
+    ///
+    /// - `Content-Disposition: form-data; name=#{name}; filename=#{filename}` (HTTP Header)
+    /// - `Content-Type: #{mimeType}` (HTTP Header)
+    /// - Encoded file data
+    /// - Multipart form boundary
+    ///
+    /// - Parameters:
+    ///   - data:     `Data` to encoding into the instance.
+    ///   - name:     Name to associate with the `Data` in the `Content-Disposition` HTTP header.
+    ///   - fileName: Filename to associate with the `Data` in the `Content-Disposition` HTTP header.
+    ///   - mimeType: MIME type to associate with the data in the `Content-Type` HTTP header.
+    public func append(_ data: Data, withName name: String, fileName: String? = nil, mimeType: String? = nil) {
+        let headers = contentHeaders(withName: name, fileName: fileName, mimeType: mimeType)
+        let stream = InputStream(data: data)
+        let length = UInt64(data.count)
+
+        append(stream, withLength: length, headers: headers)
+    }
+
+    /// Creates a body part from the file and appends it to the instance.
+    ///
+    /// The body part data will be encoded using the following format:
+    ///
+    /// - `Content-Disposition: form-data; name=#{name}; filename=#{generated filename}` (HTTP Header)
+    /// - `Content-Type: #{generated mimeType}` (HTTP Header)
+    /// - Encoded file data
+    /// - Multipart form boundary
+    ///
+    /// The filename in the `Content-Disposition` HTTP header is generated from the last path component of the
+    /// `fileURL`. The `Content-Type` HTTP header MIME type is generated by mapping the `fileURL` extension to the
+    /// system associated MIME type.
+    ///
+    /// - Parameters:
+    ///   - fileURL: `URL` of the file whose content will be encoded into the instance.
+    ///   - name:    Name to associate with the file content in the `Content-Disposition` HTTP header.
+    public func append(_ fileURL: URL, withName name: String) {
+        let fileName = fileURL.lastPathComponent
+        let pathExtension = fileURL.pathExtension
+
+        if !fileName.isEmpty && !pathExtension.isEmpty {
+            let mime = mimeType(forPathExtension: pathExtension)
+            append(fileURL, withName: name, fileName: fileName, mimeType: mime)
+        } else {
+            setBodyPartError(withReason: .bodyPartFilenameInvalid(in: fileURL))
+        }
+    }
+
+    /// Creates a body part from the file and appends it to the instance.
+    ///
+    /// The body part data will be encoded using the following format:
+    ///
+    /// - Content-Disposition: form-data; name=#{name}; filename=#{filename} (HTTP Header)
+    /// - Content-Type: #{mimeType} (HTTP Header)
+    /// - Encoded file data
+    /// - Multipart form boundary
+    ///
+    /// - Parameters:
+    ///   - fileURL:  `URL` of the file whose content will be encoded into the instance.
+    ///   - name:     Name to associate with the file content in the `Content-Disposition` HTTP header.
+    ///   - fileName: Filename to associate with the file content in the `Content-Disposition` HTTP header.
+    ///   - mimeType: MIME type to associate with the file content in the `Content-Type` HTTP header.
+    public func append(_ fileURL: URL, withName name: String, fileName: String, mimeType: String) {
+        let headers = contentHeaders(withName: name, fileName: fileName, mimeType: mimeType)
+
+        //============================================================
+        //                 Check 1 - is file URL?
+        //============================================================
+
+        guard fileURL.isFileURL else {
+            setBodyPartError(withReason: .bodyPartURLInvalid(url: fileURL))
+            return
+        }
+
+        //============================================================
+        //              Check 2 - is file URL reachable?
+        //============================================================
+
+        do {
+            let isReachable = try fileURL.checkPromisedItemIsReachable()
+            guard isReachable else {
+                setBodyPartError(withReason: .bodyPartFileNotReachable(at: fileURL))
+                return
+            }
+        } catch {
+            setBodyPartError(withReason: .bodyPartFileNotReachableWithError(atURL: fileURL, error: error))
+            return
+        }
+
+        //============================================================
+        //            Check 3 - is file URL a directory?
+        //============================================================
+
+        var isDirectory: ObjCBool = false
+        let path = fileURL.path
+
+        guard fileManager.fileExists(atPath: path, isDirectory: &isDirectory) && !isDirectory.boolValue else {
+            setBodyPartError(withReason: .bodyPartFileIsDirectory(at: fileURL))
+            return
+        }
+
+        //============================================================
+        //          Check 4 - can the file size be extracted?
+        //============================================================
+
+        let bodyContentLength: UInt64
+
+        do {
+            guard let fileSize = try fileManager.attributesOfItem(atPath: path)[.size] as? NSNumber else {
+                setBodyPartError(withReason: .bodyPartFileSizeNotAvailable(at: fileURL))
+                return
+            }
+
+            bodyContentLength = fileSize.uint64Value
+        } catch {
+            setBodyPartError(withReason: .bodyPartFileSizeQueryFailedWithError(forURL: fileURL, error: error))
+            return
+        }
+
+        //============================================================
+        //       Check 5 - can a stream be created from file URL?
+        //============================================================
+
+        guard let stream = InputStream(url: fileURL) else {
+            setBodyPartError(withReason: .bodyPartInputStreamCreationFailed(for: fileURL))
+            return
+        }
+
+        append(stream, withLength: bodyContentLength, headers: headers)
+    }
+
+    /// Creates a body part from the stream and appends it to the instance.
+    ///
+    /// The body part data will be encoded using the following format:
+    ///
+    /// - `Content-Disposition: form-data; name=#{name}; filename=#{filename}` (HTTP Header)
+    /// - `Content-Type: #{mimeType}` (HTTP Header)
+    /// - Encoded stream data
+    /// - Multipart form boundary
+    ///
+    /// - Parameters:
+    ///   - stream:   `InputStream` to encode into the instance.
+    ///   - length:   Length, in bytes, of the stream.
+    ///   - name:     Name to associate with the stream content in the `Content-Disposition` HTTP header.
+    ///   - fileName: Filename to associate with the stream content in the `Content-Disposition` HTTP header.
+    ///   - mimeType: MIME type to associate with the stream content in the `Content-Type` HTTP header.
+    public func append(_ stream: InputStream,
+                       withLength length: UInt64,
+                       name: String,
+                       fileName: String,
+                       mimeType: String) {
+        let headers = contentHeaders(withName: name, fileName: fileName, mimeType: mimeType)
+        append(stream, withLength: length, headers: headers)
+    }
+
+    /// Creates a body part with the stream, length, and headers and appends it to the instance.
+    ///
+    /// The body part data will be encoded using the following format:
+    ///
+    /// - HTTP headers
+    /// - Encoded stream data
+    /// - Multipart form boundary
+    ///
+    /// - Parameters:
+    ///   - stream:  `InputStream` to encode into the instance.
+    ///   - length:  Length, in bytes, of the stream.
+    ///   - headers: `HTTPHeaders` for the body part.
+    public func append(_ stream: InputStream, withLength length: UInt64, headers: HTTPHeaders) {
+        let bodyPart = BodyPart(headers: headers, bodyStream: stream, bodyContentLength: length)
+        bodyParts.append(bodyPart)
+    }
+
+    // MARK: - Data Encoding
+
+    /// Encodes all appended body parts into a single `Data` value.
+    ///
+    /// - Note: This method will load all the appended body parts into memory all at the same time. This method should
+    ///         only be used when the encoded data will have a small memory footprint. For large data cases, please use
+    ///         the `writeEncodedData(to:))` method.
+    ///
+    /// - Returns: The encoded `Data`, if encoding is successful.
+    /// - Throws:  An `AFError` if encoding encounters an error.
+    public func encode() throws -> Data {
+        if let bodyPartError = bodyPartError {
+            throw bodyPartError
+        }
+
+        var encoded = Data()
+
+        bodyParts.first?.hasInitialBoundary = true
+        bodyParts.last?.hasFinalBoundary = true
+
+        for bodyPart in bodyParts {
+            let encodedData = try encode(bodyPart)
+            encoded.append(encodedData)
+        }
+
+        return encoded
+    }
+
+    /// Writes all appended body parts to the given file `URL`.
+    ///
+    /// This process is facilitated by reading and writing with input and output streams, respectively. Thus,
+    /// this approach is very memory efficient and should be used for large body part data.
+    ///
+    /// - Parameter fileURL: File `URL` to which to write the form data.
+    /// - Throws:            An `AFError` if encoding encounters an error.
+    public func writeEncodedData(to fileURL: URL) throws {
+        if let bodyPartError = bodyPartError {
+            throw bodyPartError
+        }
+
+        if fileManager.fileExists(atPath: fileURL.path) {
+            throw AFError.multipartEncodingFailed(reason: .outputStreamFileAlreadyExists(at: fileURL))
+        } else if !fileURL.isFileURL {
+            throw AFError.multipartEncodingFailed(reason: .outputStreamURLInvalid(url: fileURL))
+        }
+
+        guard let outputStream = OutputStream(url: fileURL, append: false) else {
+            throw AFError.multipartEncodingFailed(reason: .outputStreamCreationFailed(for: fileURL))
+        }
+
+        outputStream.open()
+        defer { outputStream.close() }
+
+        bodyParts.first?.hasInitialBoundary = true
+        bodyParts.last?.hasFinalBoundary = true
+
+        for bodyPart in bodyParts {
+            try write(bodyPart, to: outputStream)
+        }
+    }
+
+    // MARK: - Private - Body Part Encoding
+
+    private func encode(_ bodyPart: BodyPart) throws -> Data {
+        var encoded = Data()
+
+        let initialData = bodyPart.hasInitialBoundary ? initialBoundaryData() : encapsulatedBoundaryData()
+        encoded.append(initialData)
+
+        let headerData = encodeHeaders(for: bodyPart)
+        encoded.append(headerData)
+
+        let bodyStreamData = try encodeBodyStream(for: bodyPart)
+        encoded.append(bodyStreamData)
+
+        if bodyPart.hasFinalBoundary {
+            encoded.append(finalBoundaryData())
+        }
+
+        return encoded
+    }
+
+    private func encodeHeaders(for bodyPart: BodyPart) -> Data {
+        let headerText = bodyPart.headers.map { "\($0.name): \($0.value)\(EncodingCharacters.crlf)" }
+            .joined()
+            + EncodingCharacters.crlf
+
+        return Data(headerText.utf8)
+    }
+
+    private func encodeBodyStream(for bodyPart: BodyPart) throws -> Data {
+        let inputStream = bodyPart.bodyStream
+        inputStream.open()
+        defer { inputStream.close() }
+
+        var encoded = Data()
+
+        while inputStream.hasBytesAvailable {
+            var buffer = [UInt8](repeating: 0, count: streamBufferSize)
+            let bytesRead = inputStream.read(&buffer, maxLength: streamBufferSize)
+
+            if let error = inputStream.streamError {
+                throw AFError.multipartEncodingFailed(reason: .inputStreamReadFailed(error: error))
+            }
+
+            if bytesRead > 0 {
+                encoded.append(buffer, count: bytesRead)
+            } else {
+                break
+            }
+        }
+
+        return encoded
+    }
+
+    // MARK: - Private - Writing Body Part to Output Stream
+
+    private func write(_ bodyPart: BodyPart, to outputStream: OutputStream) throws {
+        try writeInitialBoundaryData(for: bodyPart, to: outputStream)
+        try writeHeaderData(for: bodyPart, to: outputStream)
+        try writeBodyStream(for: bodyPart, to: outputStream)
+        try writeFinalBoundaryData(for: bodyPart, to: outputStream)
+    }
+
+    private func writeInitialBoundaryData(for bodyPart: BodyPart, to outputStream: OutputStream) throws {
+        let initialData = bodyPart.hasInitialBoundary ? initialBoundaryData() : encapsulatedBoundaryData()
+        return try write(initialData, to: outputStream)
+    }
+
+    private func writeHeaderData(for bodyPart: BodyPart, to outputStream: OutputStream) throws {
+        let headerData = encodeHeaders(for: bodyPart)
+        return try write(headerData, to: outputStream)
+    }
+
+    private func writeBodyStream(for bodyPart: BodyPart, to outputStream: OutputStream) throws {
+        let inputStream = bodyPart.bodyStream
+
+        inputStream.open()
+        defer { inputStream.close() }
+
+        while inputStream.hasBytesAvailable {
+            var buffer = [UInt8](repeating: 0, count: streamBufferSize)
+            let bytesRead = inputStream.read(&buffer, maxLength: streamBufferSize)
+
+            if let streamError = inputStream.streamError {
+                throw AFError.multipartEncodingFailed(reason: .inputStreamReadFailed(error: streamError))
+            }
+
+            if bytesRead > 0 {
+                if buffer.count != bytesRead {
+                    buffer = Array(buffer[0..<bytesRead])
+                }
+
+                try write(&buffer, to: outputStream)
+            } else {
+                break
+            }
+        }
+    }
+
+    private func writeFinalBoundaryData(for bodyPart: BodyPart, to outputStream: OutputStream) throws {
+        if bodyPart.hasFinalBoundary {
+            return try write(finalBoundaryData(), to: outputStream)
+        }
+    }
+
+    // MARK: - Private - Writing Buffered Data to Output Stream
+
+    private func write(_ data: Data, to outputStream: OutputStream) throws {
+        var buffer = [UInt8](repeating: 0, count: data.count)
+        data.copyBytes(to: &buffer, count: data.count)
+
+        return try write(&buffer, to: outputStream)
+    }
+
+    private func write(_ buffer: inout [UInt8], to outputStream: OutputStream) throws {
+        var bytesToWrite = buffer.count
+
+        while bytesToWrite > 0, outputStream.hasSpaceAvailable {
+            let bytesWritten = outputStream.write(buffer, maxLength: bytesToWrite)
+
+            if let error = outputStream.streamError {
+                throw AFError.multipartEncodingFailed(reason: .outputStreamWriteFailed(error: error))
+            }
+
+            bytesToWrite -= bytesWritten
+
+            if bytesToWrite > 0 {
+                buffer = Array(buffer[bytesWritten..<buffer.count])
+            }
+        }
+    }
+
+    // MARK: - Private - Mime Type
+
+    private func mimeType(forPathExtension pathExtension: String) -> String {
+        if
+            let id = UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, pathExtension as CFString, nil)?.takeRetainedValue(),
+            let contentType = UTTypeCopyPreferredTagWithClass(id, kUTTagClassMIMEType)?.takeRetainedValue() {
+            return contentType as String
+        }
+
+        return "application/octet-stream"
+    }
+
+    // MARK: - Private - Content Headers
+
+    private func contentHeaders(withName name: String, fileName: String? = nil, mimeType: String? = nil) -> HTTPHeaders {
+        var disposition = "form-data; name=\"\(name)\""
+        if let fileName = fileName { disposition += "; filename=\"\(fileName)\"" }
+
+        var headers: HTTPHeaders = [.contentDisposition(disposition)]
+        if let mimeType = mimeType { headers.add(.contentType(mimeType)) }
+
+        return headers
+    }
+
+    // MARK: - Private - Boundary Encoding
+
+    private func initialBoundaryData() -> Data {
+        return BoundaryGenerator.boundaryData(forBoundaryType: .initial, boundary: boundary)
+    }
+
+    private func encapsulatedBoundaryData() -> Data {
+        return BoundaryGenerator.boundaryData(forBoundaryType: .encapsulated, boundary: boundary)
+    }
+
+    private func finalBoundaryData() -> Data {
+        return BoundaryGenerator.boundaryData(forBoundaryType: .final, boundary: boundary)
+    }
+
+    // MARK: - Private - Errors
+
+    private func setBodyPartError(withReason reason: AFError.MultipartEncodingFailureReason) {
+        guard bodyPartError == nil else { return }
+        bodyPartError = AFError.multipartEncodingFailed(reason: reason)
+    }
+}

Pods/Alamofire/Source/MultipartUpload.swift

@@ -0,0 +1,87 @@
+//
+//  MultipartUpload.swift
+//
+//  Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+/// Internal type which encapsulates a `MultipartFormData` upload.
+final class MultipartUpload {
+    lazy var result = Result { try build() }
+
+    let isInBackgroundSession: Bool
+    let multipartFormData: MultipartFormData
+    let encodingMemoryThreshold: UInt64
+    let request: URLRequestConvertible
+    let fileManager: FileManager
+
+    init(isInBackgroundSession: Bool,
+         encodingMemoryThreshold: UInt64,
+         request: URLRequestConvertible,
+         multipartFormData: MultipartFormData) {
+        self.isInBackgroundSession = isInBackgroundSession
+        self.encodingMemoryThreshold = encodingMemoryThreshold
+        self.request = request
+        fileManager = multipartFormData.fileManager
+        self.multipartFormData = multipartFormData
+    }
+
+    func build() throws -> (request: URLRequest, uploadable: UploadRequest.Uploadable) {
+        var urlRequest = try request.asURLRequest()
+        urlRequest.setValue(multipartFormData.contentType, forHTTPHeaderField: "Content-Type")
+
+        let uploadable: UploadRequest.Uploadable
+        if multipartFormData.contentLength < encodingMemoryThreshold && !isInBackgroundSession {
+            let data = try multipartFormData.encode()
+
+            uploadable = .data(data)
+        } else {
+            let tempDirectoryURL = fileManager.temporaryDirectory
+            let directoryURL = tempDirectoryURL.appendingPathComponent("org.alamofire.manager/multipart.form.data")
+            let fileName = UUID().uuidString
+            let fileURL = directoryURL.appendingPathComponent(fileName)
+
+            try fileManager.createDirectory(at: directoryURL, withIntermediateDirectories: true, attributes: nil)
+
+            do {
+                try multipartFormData.writeEncodedData(to: fileURL)
+            } catch {
+                // Cleanup after attempted write if it fails.
+                try? fileManager.removeItem(at: fileURL)
+            }
+
+            uploadable = .file(fileURL, shouldRemove: true)
+        }
+
+        return (request: urlRequest, uploadable: uploadable)
+    }
+}
+
+extension MultipartUpload: UploadConvertible {
+    func asURLRequest() throws -> URLRequest {
+        return try result.get().request
+    }
+
+    func createUploadable() throws -> UploadRequest.Uploadable {
+        return try result.get().uploadable
+    }
+}

Pods/Alamofire/Source/NetworkReachabilityManager.swift

@@ -0,0 +1,266 @@
+//
+//  NetworkReachabilityManager.swift
+//
+//  Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+#if !(os(watchOS) || os(Linux))
+
+import Foundation
+import SystemConfiguration
+
+/// The `NetworkReachabilityManager` class listens for reachability changes of hosts and addresses for both cellular and
+/// WiFi network interfaces.
+///
+/// Reachability can be used to determine background information about why a network operation failed, or to retry
+/// network requests when a connection is established. It should not be used to prevent a user from initiating a network
+/// request, as it's possible that an initial request may be required to establish reachability.
+open class NetworkReachabilityManager {
+    /// Defines the various states of network reachability.
+    public enum NetworkReachabilityStatus {
+        /// It is unknown whether the network is reachable.
+        case unknown
+        /// The network is not reachable.
+        case notReachable
+        /// The network is reachable on the associated `ConnectionType`.
+        case reachable(ConnectionType)
+
+        init(_ flags: SCNetworkReachabilityFlags) {
+            guard flags.isActuallyReachable else { self = .notReachable; return }
+
+            var networkStatus: NetworkReachabilityStatus = .reachable(.ethernetOrWiFi)
+
+            if flags.isCellular { networkStatus = .reachable(.cellular) }
+
+            self = networkStatus
+        }
+
+        /// Defines the various connection types detected by reachability flags.
+        public enum ConnectionType {
+            /// The connection type is either over Ethernet or WiFi.
+            case ethernetOrWiFi
+            /// The connection type is a cellular connection.
+            case cellular
+        }
+    }
+
+    /// A closure executed when the network reachability status changes. The closure takes a single argument: the
+    /// network reachability status.
+    public typealias Listener = (NetworkReachabilityStatus) -> Void
+
+    /// Default `NetworkReachabilityManager` for the zero address and a `listenerQueue` of `.main`.
+    public static let `default` = NetworkReachabilityManager()
+
+    // MARK: - Properties
+
+    /// Whether the network is currently reachable.
+    open var isReachable: Bool { return isReachableOnCellular || isReachableOnEthernetOrWiFi }
+
+    /// Whether the network is currently reachable over the cellular interface.
+    ///
+    /// - Note: Using this property to decide whether to make a high or low bandwidth request is not recommended.
+    ///         Instead, set the `allowsCellularAccess` on any `URLRequest`s being issued.
+    ///
+    open var isReachableOnCellular: Bool { return status == .reachable(.cellular) }
+
+    /// Whether the network is currently reachable over Ethernet or WiFi interface.
+    open var isReachableOnEthernetOrWiFi: Bool { return status == .reachable(.ethernetOrWiFi) }
+
+    /// `DispatchQueue` on which reachability will update.
+    public let reachabilityQueue = DispatchQueue(label: "org.alamofire.reachabilityQueue")
+
+    /// Flags of the current reachability type, if any.
+    open var flags: SCNetworkReachabilityFlags? {
+        var flags = SCNetworkReachabilityFlags()
+
+        return (SCNetworkReachabilityGetFlags(reachability, &flags)) ? flags : nil
+    }
+
+    /// The current network reachability status.
+    open var status: NetworkReachabilityStatus {
+        return flags.map(NetworkReachabilityStatus.init) ?? .unknown
+    }
+
+    /// Mutable state storage.
+    struct MutableState {
+        /// A closure executed when the network reachability status changes.
+        var listener: Listener?
+        /// `DispatchQueue` on which listeners will be called.
+        var listenerQueue: DispatchQueue?
+        /// Previously calculated status.
+        var previousStatus: NetworkReachabilityStatus?
+    }
+
+    /// `SCNetworkReachability` instance providing notifications.
+    private let reachability: SCNetworkReachability
+
+    /// Protected storage for mutable state.
+    private let mutableState = Protector(MutableState())
+
+    // MARK: - Initialization
+
+    /// Creates an instance with the specified host.
+    ///
+    /// - Note: The `host` value must *not* contain a scheme, just the hostname.
+    ///
+    /// - Parameters:
+    ///   - host:          Host used to evaluate network reachability. Must *not* include the scheme (e.g. `https`).
+    public convenience init?(host: String) {
+        guard let reachability = SCNetworkReachabilityCreateWithName(nil, host) else { return nil }
+
+        self.init(reachability: reachability)
+    }
+
+    /// Creates an instance that monitors the address 0.0.0.0.
+    ///
+    /// Reachability treats the 0.0.0.0 address as a special token that causes it to monitor the general routing
+    /// status of the device, both IPv4 and IPv6.
+    public convenience init?() {
+        var zero = sockaddr()
+        zero.sa_len = UInt8(MemoryLayout<sockaddr>.size)
+        zero.sa_family = sa_family_t(AF_INET)
+
+        guard let reachability = SCNetworkReachabilityCreateWithAddress(nil, &zero) else { return nil }
+
+        self.init(reachability: reachability)
+    }
+
+    private init(reachability: SCNetworkReachability) {
+        self.reachability = reachability
+    }
+
+    deinit {
+        stopListening()
+    }
+
+    // MARK: - Listening
+
+    /// Starts listening for changes in network reachability status.
+    ///
+    /// - Note: Stops and removes any existing listener.
+    ///
+    /// - Parameters:
+    ///   - queue:    `DispatchQueue` on which to call the `listener` closure. `.main` by default.
+    ///   - listener: `Listener` closure called when reachability changes.
+    ///
+    /// - Returns: `true` if listening was started successfully, `false` otherwise.
+    @discardableResult
+    open func startListening(onQueue queue: DispatchQueue = .main,
+                             onUpdatePerforming listener: @escaping Listener) -> Bool {
+        stopListening()
+
+        mutableState.write { state in
+            state.listenerQueue = queue
+            state.listener = listener
+        }
+
+        var context = SCNetworkReachabilityContext(version: 0,
+                                                   info: Unmanaged.passRetained(self).toOpaque(),
+                                                   retain: nil,
+                                                   release: nil,
+                                                   copyDescription: nil)
+        let callback: SCNetworkReachabilityCallBack = { _, flags, info in
+            guard let info = info else { return }
+
+            let instance = Unmanaged<NetworkReachabilityManager>.fromOpaque(info).takeUnretainedValue()
+            instance.notifyListener(flags)
+        }
+
+        let queueAdded = SCNetworkReachabilitySetDispatchQueue(reachability, reachabilityQueue)
+        let callbackAdded = SCNetworkReachabilitySetCallback(reachability, callback, &context)
+
+        // Manually call listener to give initial state, since the framework may not.
+        if let currentFlags = flags {
+            reachabilityQueue.async {
+                self.notifyListener(currentFlags)
+            }
+        }
+
+        return callbackAdded && queueAdded
+    }
+
+    /// Stops listening for changes in network reachability status.
+    open func stopListening() {
+        SCNetworkReachabilitySetCallback(reachability, nil, nil)
+        SCNetworkReachabilitySetDispatchQueue(reachability, nil)
+        mutableState.write { state in
+            state.listener = nil
+            state.listenerQueue = nil
+            state.previousStatus = nil
+        }
+    }
+
+    // MARK: - Internal - Listener Notification
+
+    /// Calls the `listener` closure of the `listenerQueue` if the computed status hasn't changed.
+    ///
+    /// - Note: Should only be called from the `reachabilityQueue`.
+    ///
+    /// - Parameter flags: `SCNetworkReachabilityFlags` to use to calculate the status.
+    func notifyListener(_ flags: SCNetworkReachabilityFlags) {
+        let newStatus = NetworkReachabilityStatus(flags)
+
+        mutableState.write { state in
+            guard state.previousStatus != newStatus else { return }
+
+            state.previousStatus = newStatus
+
+            let listener = state.listener
+            state.listenerQueue?.async { listener?(newStatus) }
+        }
+    }
+}
+
+// MARK: -
+
+extension NetworkReachabilityManager.NetworkReachabilityStatus: Equatable {}
+
+extension SCNetworkReachabilityFlags {
+    var isReachable: Bool { return contains(.reachable) }
+    var isConnectionRequired: Bool { return contains(.connectionRequired) }
+    var canConnectAutomatically: Bool { return contains(.connectionOnDemand) || contains(.connectionOnTraffic) }
+    var canConnectWithoutUserInteraction: Bool { return canConnectAutomatically && !contains(.interventionRequired) }
+    var isActuallyReachable: Bool { return isReachable && (!isConnectionRequired || canConnectWithoutUserInteraction) }
+    var isCellular: Bool {
+#if os(iOS) || os(tvOS)
+        return contains(.isWWAN)
+#else
+        return false
+#endif
+    }
+
+    /// Human readable `String` for all states, to help with debugging.
+    var readableDescription: String {
+        let W = isCellular ? "W" : "-"
+        let R = isReachable ? "R" : "-"
+        let c = isConnectionRequired ? "c" : "-"
+        let t = contains(.transientConnection) ? "t" : "-"
+        let i = contains(.interventionRequired) ? "i" : "-"
+        let C = contains(.connectionOnTraffic) ? "C" : "-"
+        let D = contains(.connectionOnDemand) ? "D" : "-"
+        let l = contains(.isLocalAddress) ? "l" : "-"
+        let d = contains(.isDirect) ? "d" : "-"
+        let a = contains(.connectionAutomatic) ? "a" : "-"
+
+        return "\(W)\(R) \(c)\(t)\(i)\(C)\(D)\(l)\(d)\(a)"
+    }
+}
+#endif

Pods/Alamofire/Source/Notifications.swift

@@ -0,0 +1,115 @@
+//
+//  Notifications.swift
+//
+//  Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+public extension Request {
+    /// Posted when a `Request` is resumed. The `Notification` contains the resumed `Request`.
+    static let didResumeNotification = Notification.Name(rawValue: "org.alamofire.notification.name.request.didResume")
+    /// Posted when a `Request` is suspended. The `Notification` contains the suspended `Request`.
+    static let didSuspendNotification = Notification.Name(rawValue: "org.alamofire.notification.name.request.didSuspend")
+    /// Posted when a `Request` is cancelled. The `Notification` contains the cancelled `Request`.
+    static let didCancelNotification = Notification.Name(rawValue: "org.alamofire.notification.name.request.didCancel")
+    /// Posted when a `Request` is finished. The `Notification` contains the completed `Request`.
+    static let didFinishNotification = Notification.Name(rawValue: "org.alamofire.notification.name.request.didFinish")
+
+    /// Posted when a `URLSessionTask` is resumed. The `Notification` contains the `Request` associated with the `URLSessionTask`.
+    static let didResumeTaskNotification = Notification.Name(rawValue: "org.alamofire.notification.name.request.didResumeTask")
+    /// Posted when a `URLSessionTask` is suspended. The `Notification` contains the `Request` associated with the `URLSessionTask`.
+    static let didSuspendTaskNotification = Notification.Name(rawValue: "org.alamofire.notification.name.request.didSuspendTask")
+    /// Posted when a `URLSessionTask` is cancelled. The `Notification` contains the `Request` associated with the `URLSessionTask`.
+    static let didCancelTaskNotification = Notification.Name(rawValue: "org.alamofire.notification.name.request.didCancelTask")
+    /// Posted when a `URLSessionTask` is completed. The `Notification` contains the `Request` associated with the `URLSessionTask`.
+    static let didCompleteTaskNotification = Notification.Name(rawValue: "org.alamofire.notification.name.request.didCompleteTask")
+}
+
+// MARK: -
+
+extension Notification {
+    /// The `Request` contained by the instance's `userInfo`, `nil` otherwise.
+    public var request: Request? {
+        return userInfo?[String.requestKey] as? Request
+    }
+
+    /// Convenience initializer for a `Notification` containing a `Request` payload.
+    ///
+    /// - Parameters:
+    ///   - name:    The name of the notification.
+    ///   - request: The `Request` payload.
+    init(name: Notification.Name, request: Request) {
+        self.init(name: name, object: nil, userInfo: [String.requestKey: request])
+    }
+}
+
+extension NotificationCenter {
+    /// Convenience function for posting notifications with `Request` payloads.
+    ///
+    /// - Parameters:
+    ///   - name:    The name of the notification.
+    ///   - request: The `Request` payload.
+    func postNotification(named name: Notification.Name, with request: Request) {
+        let notification = Notification(name: name, request: request)
+        post(notification)
+    }
+}
+
+extension String {
+    /// User info dictionary key representing the `Request` associated with the notification.
+    fileprivate static let requestKey = "org.alamofire.notification.key.request"
+}
+
+/// `EventMonitor` that provides Alamofire's notifications.
+public final class AlamofireNotifications: EventMonitor {
+    public func requestDidResume(_ request: Request) {
+        NotificationCenter.default.postNotification(named: Request.didResumeNotification, with: request)
+    }
+
+    public func requestDidSuspend(_ request: Request) {
+        NotificationCenter.default.postNotification(named: Request.didSuspendNotification, with: request)
+    }
+
+    public func requestDidCancel(_ request: Request) {
+        NotificationCenter.default.postNotification(named: Request.didCancelNotification, with: request)
+    }
+
+    public func requestDidFinish(_ request: Request) {
+        NotificationCenter.default.postNotification(named: Request.didFinishNotification, with: request)
+    }
+
+    public func request(_ request: Request, didResumeTask task: URLSessionTask) {
+        NotificationCenter.default.postNotification(named: Request.didResumeTaskNotification, with: request)
+    }
+
+    public func request(_ request: Request, didSuspendTask task: URLSessionTask) {
+        NotificationCenter.default.postNotification(named: Request.didSuspendTaskNotification, with: request)
+    }
+
+    public func request(_ request: Request, didCancelTask task: URLSessionTask) {
+        NotificationCenter.default.postNotification(named: Request.didCancelTaskNotification, with: request)
+    }
+
+    public func request(_ request: Request, didCompleteTask task: URLSessionTask, with error: AFError?) {
+        NotificationCenter.default.postNotification(named: Request.didCompleteTaskNotification, with: request)
+    }
+}

Pods/Alamofire/Source/OperationQueue+Alamofire.swift

@@ -0,0 +1,49 @@
+//
+//  OperationQueue+Alamofire.swift
+//
+//  Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+extension OperationQueue {
+    /// Creates an instance using the provided parameters.
+    ///
+    /// - Parameters:
+    ///   - qualityOfService:            `QualityOfService` to be applied to the queue. `.default` by default.
+    ///   - maxConcurrentOperationCount: Maximum concurrent operations.
+    ///                                  `OperationQueue.defaultMaxConcurrentOperationCount` by default.
+    ///   - underlyingQueue: Underlying  `DispatchQueue`. `nil` by default.
+    ///   - name:                        Name for the queue. `nil` by default.
+    ///   - startSuspended:              Whether the queue starts suspended. `false` by default.
+    convenience init(qualityOfService: QualityOfService = .default,
+                     maxConcurrentOperationCount: Int = OperationQueue.defaultMaxConcurrentOperationCount,
+                     underlyingQueue: DispatchQueue? = nil,
+                     name: String? = nil,
+                     startSuspended: Bool = false) {
+        self.init()
+        self.qualityOfService = qualityOfService
+        self.maxConcurrentOperationCount = maxConcurrentOperationCount
+        self.underlyingQueue = underlyingQueue
+        self.name = name
+        isSuspended = startSuspended
+    }
+}

Pods/Alamofire/Source/ParameterEncoder.swift

@@ -0,0 +1,184 @@
+//
+//  ParameterEncoder.swift
+//
+//  Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+/// A type that can encode any `Encodable` type into a `URLRequest`.
+public protocol ParameterEncoder {
+    /// Encode the provided `Encodable` parameters into `request`.
+    ///
+    /// - Parameters:
+    ///   - parameters: The `Encodable` parameter value.
+    ///   - request:    The `URLRequest` into which to encode the parameters.
+    ///
+    /// - Returns:      A `URLRequest` with the result of the encoding.
+    /// - Throws:       An `Error` when encoding fails. For Alamofire provided encoders, this will be an instance of
+    ///                 `AFError.parameterEncoderFailed` with an associated `ParameterEncoderFailureReason`.
+    func encode<Parameters: Encodable>(_ parameters: Parameters?, into request: URLRequest) throws -> URLRequest
+}
+
+/// A `ParameterEncoder` that encodes types as JSON body data.
+///
+/// If no `Content-Type` header is already set on the provided `URLRequest`s, it's set to `application/json`.
+open class JSONParameterEncoder: ParameterEncoder {
+    /// Returns an encoder with default parameters.
+    public static var `default`: JSONParameterEncoder { return JSONParameterEncoder() }
+
+    /// Returns an encoder with `JSONEncoder.outputFormatting` set to `.prettyPrinted`.
+    public static var prettyPrinted: JSONParameterEncoder {
+        let encoder = JSONEncoder()
+        encoder.outputFormatting = .prettyPrinted
+
+        return JSONParameterEncoder(encoder: encoder)
+    }
+
+    /// Returns an encoder with `JSONEncoder.outputFormatting` set to `.sortedKeys`.
+    @available(macOS 10.13, iOS 11.0, tvOS 11.0, watchOS 4.0, *)
+    public static var sortedKeys: JSONParameterEncoder {
+        let encoder = JSONEncoder()
+        encoder.outputFormatting = .sortedKeys
+
+        return JSONParameterEncoder(encoder: encoder)
+    }
+
+    /// `JSONEncoder` used to encode parameters.
+    public let encoder: JSONEncoder
+
+    /// Creates an instance with the provided `JSONEncoder`.
+    ///
+    /// - Parameter encoder: The `JSONEncoder`. `JSONEncoder()` by default.
+    public init(encoder: JSONEncoder = JSONEncoder()) {
+        self.encoder = encoder
+    }
+
+    open func encode<Parameters: Encodable>(_ parameters: Parameters?,
+                                            into request: URLRequest) throws -> URLRequest {
+        guard let parameters = parameters else { return request }
+
+        var request = request
+
+        do {
+            let data = try encoder.encode(parameters)
+            request.httpBody = data
+            if request.headers["Content-Type"] == nil {
+                request.headers.update(.contentType("application/json"))
+            }
+        } catch {
+            throw AFError.parameterEncodingFailed(reason: .jsonEncodingFailed(error: error))
+        }
+
+        return request
+    }
+}
+
+/// A `ParameterEncoder` that encodes types as URL-encoded query strings to be set on the URL or as body data, depending
+/// on the `Destination` set.
+///
+/// If no `Content-Type` header is already set on the provided `URLRequest`s, it will be set to
+/// `application/x-www-form-urlencoded; charset=utf-8`.
+///
+/// Encoding behavior can be customized by passing an instance of `URLEncodedFormEncoder` to the initializer.
+open class URLEncodedFormParameterEncoder: ParameterEncoder {
+    /// Defines where the URL-encoded string should be set for each `URLRequest`.
+    public enum Destination {
+        /// Applies the encoded query string to any existing query string for `.get`, `.head`, and `.delete` request.
+        /// Sets it to the `httpBody` for all other methods.
+        case methodDependent
+        /// Applies the encoded query string to any existing query string from the `URLRequest`.
+        case queryString
+        /// Applies the encoded query string to the `httpBody` of the `URLRequest`.
+        case httpBody
+
+        /// Determines whether the URL-encoded string should be applied to the `URLRequest`'s `url`.
+        ///
+        /// - Parameter method: The `HTTPMethod`.
+        ///
+        /// - Returns:          Whether the URL-encoded string should be applied to a `URL`.
+        func encodesParametersInURL(for method: HTTPMethod) -> Bool {
+            switch self {
+            case .methodDependent: return [.get, .head, .delete].contains(method)
+            case .queryString: return true
+            case .httpBody: return false
+            }
+        }
+    }
+
+    /// Returns an encoder with default parameters.
+    public static var `default`: URLEncodedFormParameterEncoder { return URLEncodedFormParameterEncoder() }
+
+    /// The `URLEncodedFormEncoder` to use.
+    public let encoder: URLEncodedFormEncoder
+
+    /// The `Destination` for the URL-encoded string.
+    public let destination: Destination
+
+    /// Creates an instance with the provided `URLEncodedFormEncoder` instance and `Destination` value.
+    ///
+    /// - Parameters:
+    ///   - encoder:     The `URLEncodedFormEncoder`. `URLEncodedFormEncoder()` by default.
+    ///   - destination: The `Destination`. `.methodDependent` by default.
+    public init(encoder: URLEncodedFormEncoder = URLEncodedFormEncoder(), destination: Destination = .methodDependent) {
+        self.encoder = encoder
+        self.destination = destination
+    }
+
+    open func encode<Parameters: Encodable>(_ parameters: Parameters?,
+                                            into request: URLRequest) throws -> URLRequest {
+        guard let parameters = parameters else { return request }
+
+        var request = request
+
+        guard let url = request.url else {
+            throw AFError.parameterEncoderFailed(reason: .missingRequiredComponent(.url))
+        }
+
+        guard let method = request.method else {
+            let rawValue = request.method?.rawValue ?? "nil"
+            throw AFError.parameterEncoderFailed(reason: .missingRequiredComponent(.httpMethod(rawValue: rawValue)))
+        }
+
+        if destination.encodesParametersInURL(for: method),
+            var components = URLComponents(url: url, resolvingAgainstBaseURL: false) {
+            let query: String = try Result<String, Error> { try encoder.encode(parameters) }
+                .mapError { AFError.parameterEncoderFailed(reason: .encoderFailed(error: $0)) }.get()
+            let newQueryString = [components.percentEncodedQuery, query].compactMap { $0 }.joinedWithAmpersands()
+            components.percentEncodedQuery = newQueryString.isEmpty ? nil : newQueryString
+
+            guard let newURL = components.url else {
+                throw AFError.parameterEncoderFailed(reason: .missingRequiredComponent(.url))
+            }
+
+            request.url = newURL
+        } else {
+            if request.headers["Content-Type"] == nil {
+                request.headers.update(.contentType("application/x-www-form-urlencoded; charset=utf-8"))
+            }
+
+            request.httpBody = try Result<Data, Error> { try encoder.encode(parameters) }
+                .mapError { AFError.parameterEncoderFailed(reason: .encoderFailed(error: $0)) }.get()
+        }
+
+        return request
+    }
+}

Pods/Alamofire/Source/ParameterEncoding.swift

@@ -0,0 +1,314 @@
+//
+//  ParameterEncoding.swift
+//
+//  Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+/// A dictionary of parameters to apply to a `URLRequest`.
+public typealias Parameters = [String: Any]
+
+/// A type used to define how a set of parameters are applied to a `URLRequest`.
+public protocol ParameterEncoding {
+    /// Creates a `URLRequest` by encoding parameters and applying them on the passed request.
+    ///
+    /// - Parameters:
+    ///   - urlRequest: `URLRequestConvertible` value onto which parameters will be encoded.
+    ///   - parameters: `Parameters` to encode onto the request.
+    ///
+    /// - Returns:      The encoded `URLRequest`.
+    /// - Throws:       Any `Error` produced during parameter encoding.
+    func encode(_ urlRequest: URLRequestConvertible, with parameters: Parameters?) throws -> URLRequest
+}
+
+// MARK: -
+
+/// Creates a url-encoded query string to be set as or appended to any existing URL query string or set as the HTTP
+/// body of the URL request. Whether the query string is set or appended to any existing URL query string or set as
+/// the HTTP body depends on the destination of the encoding.
+///
+/// The `Content-Type` HTTP header field of an encoded request with HTTP body is set to
+/// `application/x-www-form-urlencoded; charset=utf-8`.
+///
+/// There is no published specification for how to encode collection types. By default the convention of appending
+/// `[]` to the key for array values (`foo[]=1&foo[]=2`), and appending the key surrounded by square brackets for
+/// nested dictionary values (`foo[bar]=baz`) is used. Optionally, `ArrayEncoding` can be used to omit the
+/// square brackets appended to array keys.
+///
+/// `BoolEncoding` can be used to configure how boolean values are encoded. The default behavior is to encode
+/// `true` as 1 and `false` as 0.
+public struct URLEncoding: ParameterEncoding {
+    // MARK: Helper Types
+
+    /// Defines whether the url-encoded query string is applied to the existing query string or HTTP body of the
+    /// resulting URL request.
+    public enum Destination {
+        /// Applies encoded query string result to existing query string for `GET`, `HEAD` and `DELETE` requests and
+        /// sets as the HTTP body for requests with any other HTTP method.
+        case methodDependent
+        /// Sets or appends encoded query string result to existing query string.
+        case queryString
+        /// Sets encoded query string result as the HTTP body of the URL request.
+        case httpBody
+
+        func encodesParametersInURL(for method: HTTPMethod) -> Bool {
+            switch self {
+            case .methodDependent: return [.get, .head, .delete].contains(method)
+            case .queryString: return true
+            case .httpBody: return false
+            }
+        }
+    }
+
+    /// Configures how `Array` parameters are encoded.
+    public enum ArrayEncoding {
+        /// An empty set of square brackets is appended to the key for every value. This is the default behavior.
+        case brackets
+        /// No brackets are appended. The key is encoded as is.
+        case noBrackets
+
+        func encode(key: String) -> String {
+            switch self {
+            case .brackets:
+                return "\(key)[]"
+            case .noBrackets:
+                return key
+            }
+        }
+    }
+
+    /// Configures how `Bool` parameters are encoded.
+    public enum BoolEncoding {
+        /// Encode `true` as `1` and `false` as `0`. This is the default behavior.
+        case numeric
+        /// Encode `true` and `false` as string literals.
+        case literal
+
+        func encode(value: Bool) -> String {
+            switch self {
+            case .numeric:
+                return value ? "1" : "0"
+            case .literal:
+                return value ? "true" : "false"
+            }
+        }
+    }
+
+    // MARK: Properties
+
+    /// Returns a default `URLEncoding` instance with a `.methodDependent` destination.
+    public static var `default`: URLEncoding { return URLEncoding() }
+
+    /// Returns a `URLEncoding` instance with a `.queryString` destination.
+    public static var queryString: URLEncoding { return URLEncoding(destination: .queryString) }
+
+    /// Returns a `URLEncoding` instance with an `.httpBody` destination.
+    public static var httpBody: URLEncoding { return URLEncoding(destination: .httpBody) }
+
+    /// The destination defining where the encoded query string is to be applied to the URL request.
+    public let destination: Destination
+
+    /// The encoding to use for `Array` parameters.
+    public let arrayEncoding: ArrayEncoding
+
+    /// The encoding to use for `Bool` parameters.
+    public let boolEncoding: BoolEncoding
+
+    // MARK: Initialization
+
+    /// Creates an instance using the specified parameters.
+    ///
+    /// - Parameters:
+    ///   - destination:   `Destination` defining where the encoded query string will be applied. `.methodDependent` by
+    ///                    default.
+    ///   - arrayEncoding: `ArrayEncoding` to use. `.brackets` by default.
+    ///   - boolEncoding:  `BoolEncoding` to use. `.numeric` by default.
+    public init(destination: Destination = .methodDependent,
+                arrayEncoding: ArrayEncoding = .brackets,
+                boolEncoding: BoolEncoding = .numeric) {
+        self.destination = destination
+        self.arrayEncoding = arrayEncoding
+        self.boolEncoding = boolEncoding
+    }
+
+    // MARK: Encoding
+
+    public func encode(_ urlRequest: URLRequestConvertible, with parameters: Parameters?) throws -> URLRequest {
+        var urlRequest = try urlRequest.asURLRequest()
+
+        guard let parameters = parameters else { return urlRequest }
+
+        if let method = urlRequest.method, destination.encodesParametersInURL(for: method) {
+            guard let url = urlRequest.url else {
+                throw AFError.parameterEncodingFailed(reason: .missingURL)
+            }
+
+            if var urlComponents = URLComponents(url: url, resolvingAgainstBaseURL: false), !parameters.isEmpty {
+                let percentEncodedQuery = (urlComponents.percentEncodedQuery.map { $0 + "&" } ?? "") + query(parameters)
+                urlComponents.percentEncodedQuery = percentEncodedQuery
+                urlRequest.url = urlComponents.url
+            }
+        } else {
+            if urlRequest.value(forHTTPHeaderField: "Content-Type") == nil {
+                urlRequest.setValue("application/x-www-form-urlencoded; charset=utf-8", forHTTPHeaderField: "Content-Type")
+            }
+
+            urlRequest.httpBody = Data(query(parameters).utf8)
+        }
+
+        return urlRequest
+    }
+
+    /// Creates a percent-escaped, URL encoded query string components from the given key-value pair recursively.
+    ///
+    /// - Parameters:
+    ///   - key:   Key of the query component.
+    ///   - value: Value of the query component.
+    ///
+    /// - Returns: The percent-escaped, URL encoded query string components.
+    public func queryComponents(fromKey key: String, value: Any) -> [(String, String)] {
+        var components: [(String, String)] = []
+
+        if let dictionary = value as? [String: Any] {
+            for (nestedKey, value) in dictionary {
+                components += queryComponents(fromKey: "\(key)[\(nestedKey)]", value: value)
+            }
+        } else if let array = value as? [Any] {
+            for value in array {
+                components += queryComponents(fromKey: arrayEncoding.encode(key: key), value: value)
+            }
+        } else if let value = value as? NSNumber {
+            if value.isBool {
+                components.append((escape(key), escape(boolEncoding.encode(value: value.boolValue))))
+            } else {
+                components.append((escape(key), escape("\(value)")))
+            }
+        } else if let bool = value as? Bool {
+            components.append((escape(key), escape(boolEncoding.encode(value: bool))))
+        } else {
+            components.append((escape(key), escape("\(value)")))
+        }
+
+        return components
+    }
+
+    /// Creates a percent-escaped string following RFC 3986 for a query string key or value.
+    ///
+    /// - Parameter string: `String` to be percent-escaped.
+    ///
+    /// - Returns:          The percent-escaped `String`.
+    public func escape(_ string: String) -> String {
+        return string.addingPercentEncoding(withAllowedCharacters: .afURLQueryAllowed) ?? string
+    }
+
+    private func query(_ parameters: [String: Any]) -> String {
+        var components: [(String, String)] = []
+
+        for key in parameters.keys.sorted(by: <) {
+            let value = parameters[key]!
+            components += queryComponents(fromKey: key, value: value)
+        }
+        return components.map { "\($0)=\($1)" }.joined(separator: "&")
+    }
+}
+
+// MARK: -
+
+/// Uses `JSONSerialization` to create a JSON representation of the parameters object, which is set as the body of the
+/// request. The `Content-Type` HTTP header field of an encoded request is set to `application/json`.
+public struct JSONEncoding: ParameterEncoding {
+    // MARK: Properties
+
+    /// Returns a `JSONEncoding` instance with default writing options.
+    public static var `default`: JSONEncoding { return JSONEncoding() }
+
+    /// Returns a `JSONEncoding` instance with `.prettyPrinted` writing options.
+    public static var prettyPrinted: JSONEncoding { return JSONEncoding(options: .prettyPrinted) }
+
+    /// The options for writing the parameters as JSON data.
+    public let options: JSONSerialization.WritingOptions
+
+    // MARK: Initialization
+
+    /// Creates an instance using the specified `WritingOptions`.
+    ///
+    /// - Parameter options: `JSONSerialization.WritingOptions` to use.
+    public init(options: JSONSerialization.WritingOptions = []) {
+        self.options = options
+    }
+
+    // MARK: Encoding
+
+    public func encode(_ urlRequest: URLRequestConvertible, with parameters: Parameters?) throws -> URLRequest {
+        var urlRequest = try urlRequest.asURLRequest()
+
+        guard let parameters = parameters else { return urlRequest }
+
+        do {
+            let data = try JSONSerialization.data(withJSONObject: parameters, options: options)
+
+            if urlRequest.value(forHTTPHeaderField: "Content-Type") == nil {
+                urlRequest.setValue("application/json", forHTTPHeaderField: "Content-Type")
+            }
+
+            urlRequest.httpBody = data
+        } catch {
+            throw AFError.parameterEncodingFailed(reason: .jsonEncodingFailed(error: error))
+        }
+
+        return urlRequest
+    }
+
+    /// Encodes any JSON compatible object into a `URLRequest`.
+    ///
+    /// - Parameters:
+    ///   - urlRequest: `URLRequestConvertible` value into which the object will be encoded.
+    ///   - jsonObject: `Any` value (must be JSON compatible` to be encoded into the `URLRequest`. `nil` by default.
+    ///
+    /// - Returns:      The encoded `URLRequest`.
+    /// - Throws:       Any `Error` produced during encoding.
+    public func encode(_ urlRequest: URLRequestConvertible, withJSONObject jsonObject: Any? = nil) throws -> URLRequest {
+        var urlRequest = try urlRequest.asURLRequest()
+
+        guard let jsonObject = jsonObject else { return urlRequest }
+
+        do {
+            let data = try JSONSerialization.data(withJSONObject: jsonObject, options: options)
+
+            if urlRequest.value(forHTTPHeaderField: "Content-Type") == nil {
+                urlRequest.setValue("application/json", forHTTPHeaderField: "Content-Type")
+            }
+
+            urlRequest.httpBody = data
+        } catch {
+            throw AFError.parameterEncodingFailed(reason: .jsonEncodingFailed(error: error))
+        }
+
+        return urlRequest
+    }
+}
+
+// MARK: -
+
+extension NSNumber {
+    fileprivate var isBool: Bool { return CFBooleanGetTypeID() == CFGetTypeID(self) }
+}

Pods/Alamofire/Source/Protector.swift

@@ -0,0 +1,167 @@
+//
+//  Protector.swift
+//
+//  Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+// MARK: -
+
+/// An `os_unfair_lock` wrapper.
+final class UnfairLock {
+    private let unfairLock: os_unfair_lock_t
+
+    init() {
+        unfairLock = .allocate(capacity: 1)
+        unfairLock.initialize(to: os_unfair_lock())
+    }
+
+    deinit {
+        unfairLock.deinitialize(count: 1)
+        unfairLock.deallocate()
+    }
+
+    private func lock() {
+        os_unfair_lock_lock(unfairLock)
+    }
+
+    private func unlock() {
+        os_unfair_lock_unlock(unfairLock)
+    }
+
+    /// Executes a closure returning a value while acquiring the lock.
+    ///
+    /// - Parameter closure: The closure to run.
+    ///
+    /// - Returns:           The value the closure generated.
+    func around<T>(_ closure: () -> T) -> T {
+        lock(); defer { unlock() }
+        return closure()
+    }
+
+    /// Execute a closure while acquiring the lock.
+    ///
+    /// - Parameter closure: The closure to run.
+    func around(_ closure: () -> Void) {
+        lock(); defer { unlock() }
+        return closure()
+    }
+}
+
+/// A thread-safe wrapper around a value.
+final class Protector<T> {
+    private let lock = UnfairLock()
+    private var value: T
+
+    init(_ value: T) {
+        self.value = value
+    }
+
+    /// The contained value. Unsafe for anything more than direct read or write.
+    var directValue: T {
+        get { return lock.around { value } }
+        set { lock.around { value = newValue } }
+    }
+
+    /// Synchronously read or transform the contained value.
+    ///
+    /// - Parameter closure: The closure to execute.
+    ///
+    /// - Returns:           The return value of the closure passed.
+    func read<U>(_ closure: (T) -> U) -> U {
+        return lock.around { closure(self.value) }
+    }
+
+    /// Synchronously modify the protected value.
+    ///
+    /// - Parameter closure: The closure to execute.
+    ///
+    /// - Returns:           The modified value.
+    @discardableResult
+    func write<U>(_ closure: (inout T) -> U) -> U {
+        return lock.around { closure(&self.value) }
+    }
+}
+
+extension Protector where T: RangeReplaceableCollection {
+    /// Adds a new element to the end of this protected collection.
+    ///
+    /// - Parameter newElement: The `Element` to append.
+    func append(_ newElement: T.Element) {
+        write { (ward: inout T) in
+            ward.append(newElement)
+        }
+    }
+
+    /// Adds the elements of a sequence to the end of this protected collection.
+    ///
+    /// - Parameter newElements: The `Sequence` to append.
+    func append<S: Sequence>(contentsOf newElements: S) where S.Element == T.Element {
+        write { (ward: inout T) in
+            ward.append(contentsOf: newElements)
+        }
+    }
+
+    /// Add the elements of a collection to the end of the protected collection.
+    ///
+    /// - Parameter newElements: The `Collection` to append.
+    func append<C: Collection>(contentsOf newElements: C) where C.Element == T.Element {
+        write { (ward: inout T) in
+            ward.append(contentsOf: newElements)
+        }
+    }
+}
+
+extension Protector where T == Data? {
+    /// Adds the contents of a `Data` value to the end of the protected `Data`.
+    ///
+    /// - Parameter data: The `Data` to be appended.
+    func append(_ data: Data) {
+        write { (ward: inout T) in
+            ward?.append(data)
+        }
+    }
+}
+
+extension Protector where T == Request.MutableState {
+    /// Attempts to transition to the passed `State`.
+    ///
+    /// - Parameter state: The `State` to attempt transition to.
+    ///
+    /// - Returns:         Whether the transition occurred.
+    func attemptToTransitionTo(_ state: Request.State) -> Bool {
+        return lock.around {
+            guard value.state.canTransitionTo(state) else { return false }
+
+            value.state = state
+
+            return true
+        }
+    }
+
+    /// Perform a closure while locked with the provided `Request.State`.
+    ///
+    /// - Parameter perform: The closure to perform while locked.
+    func withState(perform: (Request.State) -> Void) {
+        lock.around { perform(value.state) }
+    }
+}

Pods/Alamofire/Source/RedirectHandler.swift

@@ -0,0 +1,95 @@
+//
+//  RedirectHandler.swift
+//
+//  Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+/// A type that handles how an HTTP redirect response from a remote server should be redirected to the new request.
+public protocol RedirectHandler {
+    /// Determines how the HTTP redirect response should be redirected to the new request.
+    ///
+    /// The `completion` closure should be passed one of three possible options:
+    ///
+    ///   1. The new request specified by the redirect (this is the most common use case).
+    ///   2. A modified version of the new request (you may want to route it somewhere else).
+    ///   3. A `nil` value to deny the redirect request and return the body of the redirect response.
+    ///
+    /// - Parameters:
+    ///   - task:       The task whose request resulted in a redirect.
+    ///   - request:    The URL request object to the new location specified by the redirect response.
+    ///   - response:   The response containing the server's response to the original request.
+    ///   - completion: The closure to execute containing the new request, a modified request, or `nil`.
+    func task(_ task: URLSessionTask,
+              willBeRedirectedTo request: URLRequest,
+              for response: HTTPURLResponse,
+              completion: @escaping (URLRequest?) -> Void)
+}
+
+// MARK: -
+
+/// `Redirector` is a convenience `RedirectHandler` making it easy to follow, not follow, or modify a redirect.
+public struct Redirector {
+    /// Defines the behavior of the `Redirector` type.
+    public enum Behavior {
+        /// Follow the redirect as defined in the response.
+        case follow
+        /// Do not follow the redirect defined in the response.
+        case doNotFollow
+        /// Modify the redirect request defined in the response.
+        case modify((URLSessionTask, URLRequest, HTTPURLResponse) -> URLRequest?)
+    }
+
+    /// Returns a `Redirector` with a `.follow` `Behavior`.
+    public static let follow = Redirector(behavior: .follow)
+    /// Returns a `Redirector` with a `.doNotFollow` `Behavior`.
+    public static let doNotFollow = Redirector(behavior: .doNotFollow)
+
+    /// The `Behavior` of the `Redirector`.
+    public let behavior: Behavior
+
+    /// Creates a `Redirector` instance from the `Behavior`.
+    ///
+    /// - Parameter behavior: The `Behavior`.
+    public init(behavior: Behavior) {
+        self.behavior = behavior
+    }
+}
+
+// MARK: -
+
+extension Redirector: RedirectHandler {
+    public func task(_ task: URLSessionTask,
+                     willBeRedirectedTo request: URLRequest,
+                     for response: HTTPURLResponse,
+                     completion: @escaping (URLRequest?) -> Void) {
+        switch behavior {
+        case .follow:
+            completion(request)
+        case .doNotFollow:
+            completion(nil)
+        case let .modify(closure):
+            let request = closure(task, request, response)
+            completion(request)
+        }
+    }
+}

Pods/Alamofire/Source/RequestInterceptor.swift

@@ -0,0 +1,243 @@
+//
+//  RequestInterceptor.swift
+//
+//  Copyright (c) 2019 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+/// A type that can inspect and optionally adapt a `URLRequest` in some manner if necessary.
+public protocol RequestAdapter {
+    /// Inspects and adapts the specified `URLRequest` in some manner and calls the completion handler with the Result.
+    ///
+    /// - Parameters:
+    ///   - urlRequest: The `URLRequest` to adapt.
+    ///   - session:    The `Session` that will execute the `URLRequest`.
+    ///   - completion: The completion handler that must be called when adaptation is complete.
+    func adapt(_ urlRequest: URLRequest, for session: Session, completion: @escaping (Result<URLRequest, Error>) -> Void)
+}
+
+// MARK: -
+
+/// Outcome of determination whether retry is necessary.
+public enum RetryResult {
+    /// Retry should be attempted immediately.
+    case retry
+    /// Retry should be attempted after the associated `TimeInterval`.
+    case retryWithDelay(TimeInterval)
+    /// Do not retry.
+    case doNotRetry
+    /// Do not retry due to the associated `AFError`.
+    case doNotRetryWithError(Error)
+}
+
+extension RetryResult {
+    var retryRequired: Bool {
+        switch self {
+        case .retry, .retryWithDelay: return true
+        default: return false
+        }
+    }
+
+    var delay: TimeInterval? {
+        switch self {
+        case let .retryWithDelay(delay): return delay
+        default: return nil
+        }
+    }
+
+    var error: Error? {
+        guard case let .doNotRetryWithError(error) = self else { return nil }
+        return error
+    }
+}
+
+/// A type that determines whether a request should be retried after being executed by the specified session manager
+/// and encountering an error.
+public protocol RequestRetrier {
+    /// Determines whether the `Request` should be retried by calling the `completion` closure.
+    ///
+    /// This operation is fully asynchronous. Any amount of time can be taken to determine whether the request needs
+    /// to be retried. The one requirement is that the completion closure is called to ensure the request is properly
+    /// cleaned up after.
+    ///
+    /// - Parameters:
+    ///   - request:    `Request` that failed due to the provided `Error`.
+    ///   - session:    `Session` that produced the `Request`.
+    ///   - error:      `Error` encountered while executing the `Request`.
+    ///   - completion: Completion closure to be executed when a retry decision has been determined.
+    func retry(_ request: Request, for session: Session, dueTo error: Error, completion: @escaping (RetryResult) -> Void)
+}
+
+// MARK: -
+
+/// Type that provides both `RequestAdapter` and `RequestRetrier` functionality.
+public protocol RequestInterceptor: RequestAdapter, RequestRetrier {}
+
+extension RequestInterceptor {
+    public func adapt(_ urlRequest: URLRequest, for session: Session, completion: @escaping (Result<URLRequest, Error>) -> Void) {
+        completion(.success(urlRequest))
+    }
+
+    public func retry(_ request: Request,
+                      for session: Session,
+                      dueTo error: Error,
+                      completion: @escaping (RetryResult) -> Void) {
+        completion(.doNotRetry)
+    }
+}
+
+/// `RequestAdapter` closure definition.
+public typealias AdaptHandler = (URLRequest, Session, _ completion: @escaping (Result<URLRequest, Error>) -> Void) -> Void
+/// `RequestRetrier` closure definition.
+public typealias RetryHandler = (Request, Session, Error, _ completion: @escaping (RetryResult) -> Void) -> Void
+
+// MARK: -
+
+/// Closure-based `RequestAdapter`.
+open class Adapter: RequestInterceptor {
+    private let adaptHandler: AdaptHandler
+
+    /// Creates an instance using the provided closure.
+    ///
+    /// - Parameter adaptHandler: `AdaptHandler` closure to be executed when handling request adaptation.
+    public init(_ adaptHandler: @escaping AdaptHandler) {
+        self.adaptHandler = adaptHandler
+    }
+
+    open func adapt(_ urlRequest: URLRequest, for session: Session, completion: @escaping (Result<URLRequest, Error>) -> Void) {
+        adaptHandler(urlRequest, session, completion)
+    }
+}
+
+// MARK: -
+
+/// Closure-based `RequestRetrier`.
+open class Retrier: RequestInterceptor {
+    private let retryHandler: RetryHandler
+
+    /// Creates an instance using the provided closure.
+    ///
+    /// - Parameter retryHandler: `RetryHandler` closure to be executed when handling request retry.
+    public init(_ retryHandler: @escaping RetryHandler) {
+        self.retryHandler = retryHandler
+    }
+
+    open func retry(_ request: Request,
+                    for session: Session,
+                    dueTo error: Error,
+                    completion: @escaping (RetryResult) -> Void) {
+        retryHandler(request, session, error, completion)
+    }
+}
+
+// MARK: -
+
+/// `RequestInterceptor` which can use multiple `RequestAdapter` and `RequestRetrier` values.
+open class Interceptor: RequestInterceptor {
+    /// All `RequestAdapter`s associated with the instance. These adapters will be run until one fails.
+    public let adapters: [RequestAdapter]
+    /// All `RequestRetrier`s associated with the instance. These retriers will be run one at a time until one triggers retry.
+    public let retriers: [RequestRetrier]
+
+    /// Creates an instance from `AdaptHandler` and `RetryHandler` closures.
+    ///
+    /// - Parameters:
+    ///   - adaptHandler: `AdaptHandler` closure to be used.
+    ///   - retryHandler: `RetryHandler` closure to be used.
+    public init(adaptHandler: @escaping AdaptHandler, retryHandler: @escaping RetryHandler) {
+        adapters = [Adapter(adaptHandler)]
+        retriers = [Retrier(retryHandler)]
+    }
+
+    /// Creates an instance from `RequestAdapter` and `RequestRetrier` values.
+    ///
+    /// - Parameters:
+    ///   - adapter: `RequestAdapter` value to be used.
+    ///   - retrier: `RequestRetrier` value to be used.
+    public init(adapter: RequestAdapter, retrier: RequestRetrier) {
+        adapters = [adapter]
+        retriers = [retrier]
+    }
+
+    /// Creates an instance from the arrays of `RequestAdapter` and `RequestRetrier` values.
+    ///
+    /// - Parameters:
+    ///   - adapters: `RequestAdapter` values to be used.
+    ///   - retriers: `RequestRetrier` values to be used.
+    public init(adapters: [RequestAdapter] = [], retriers: [RequestRetrier] = []) {
+        self.adapters = adapters
+        self.retriers = retriers
+    }
+
+    open func adapt(_ urlRequest: URLRequest, for session: Session, completion: @escaping (Result<URLRequest, Error>) -> Void) {
+        adapt(urlRequest, for: session, using: adapters, completion: completion)
+    }
+
+    private func adapt(_ urlRequest: URLRequest,
+                       for session: Session,
+                       using adapters: [RequestAdapter],
+                       completion: @escaping (Result<URLRequest, Error>) -> Void) {
+        var pendingAdapters = adapters
+
+        guard !pendingAdapters.isEmpty else { completion(.success(urlRequest)); return }
+
+        let adapter = pendingAdapters.removeFirst()
+
+        adapter.adapt(urlRequest, for: session) { result in
+            switch result {
+            case let .success(urlRequest):
+                self.adapt(urlRequest, for: session, using: pendingAdapters, completion: completion)
+            case .failure:
+                completion(result)
+            }
+        }
+    }
+
+    open func retry(_ request: Request,
+                    for session: Session,
+                    dueTo error: Error,
+                    completion: @escaping (RetryResult) -> Void) {
+        retry(request, for: session, dueTo: error, using: retriers, completion: completion)
+    }
+
+    private func retry(_ request: Request,
+                       for session: Session,
+                       dueTo error: Error,
+                       using retriers: [RequestRetrier],
+                       completion: @escaping (RetryResult) -> Void) {
+        var pendingRetriers = retriers
+
+        guard !pendingRetriers.isEmpty else { completion(.doNotRetry); return }
+
+        let retrier = pendingRetriers.removeFirst()
+
+        retrier.retry(request, for: session, dueTo: error) { result in
+            switch result {
+            case .retry, .retryWithDelay, .doNotRetryWithError:
+                completion(result)
+            case .doNotRetry:
+                // Only continue to the next retrier if retry was not triggered and no error was encountered
+                self.retry(request, for: session, dueTo: error, using: pendingRetriers, completion: completion)
+            }
+        }
+    }
+}

Pods/Alamofire/Source/RequestTaskMap.swift

@@ -0,0 +1,136 @@
+//
+//  RequestTaskMap.swift
+//
+//  Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+/// A type that maintains a two way, one to one map of `URLSessionTask`s to `Request`s.
+struct RequestTaskMap {
+    private var tasksToRequests: [URLSessionTask: Request]
+    private var requestsToTasks: [Request: URLSessionTask]
+    private var taskEvents: [URLSessionTask: (completed: Bool, metricsGathered: Bool)]
+
+    var requests: [Request] {
+        return Array(tasksToRequests.values)
+    }
+
+    init(tasksToRequests: [URLSessionTask: Request] = [:],
+         requestsToTasks: [Request: URLSessionTask] = [:],
+         taskEvents: [URLSessionTask: (completed: Bool, metricsGathered: Bool)] = [:]) {
+        self.tasksToRequests = tasksToRequests
+        self.requestsToTasks = requestsToTasks
+        self.taskEvents = taskEvents
+    }
+
+    subscript(_ request: Request) -> URLSessionTask? {
+        get { return requestsToTasks[request] }
+        set {
+            guard let newValue = newValue else {
+                guard let task = requestsToTasks[request] else {
+                    fatalError("RequestTaskMap consistency error: no task corresponding to request found.")
+                }
+
+                requestsToTasks.removeValue(forKey: request)
+                tasksToRequests.removeValue(forKey: task)
+                taskEvents.removeValue(forKey: task)
+
+                return
+            }
+
+            requestsToTasks[request] = newValue
+            tasksToRequests[newValue] = request
+            taskEvents[newValue] = (completed: false, metricsGathered: false)
+        }
+    }
+
+    subscript(_ task: URLSessionTask) -> Request? {
+        get { return tasksToRequests[task] }
+        set {
+            guard let newValue = newValue else {
+                guard let request = tasksToRequests[task] else {
+                    fatalError("RequestTaskMap consistency error: no request corresponding to task found.")
+                }
+
+                tasksToRequests.removeValue(forKey: task)
+                requestsToTasks.removeValue(forKey: request)
+                taskEvents.removeValue(forKey: task)
+
+                return
+            }
+
+            tasksToRequests[task] = newValue
+            requestsToTasks[newValue] = task
+            taskEvents[task] = (completed: false, metricsGathered: false)
+        }
+    }
+
+    var count: Int {
+        precondition(tasksToRequests.count == requestsToTasks.count,
+                     "RequestTaskMap.count invalid, requests.count: \(tasksToRequests.count) != tasks.count: \(requestsToTasks.count)")
+
+        return tasksToRequests.count
+    }
+
+    var eventCount: Int {
+        precondition(taskEvents.count == count, "RequestTaskMap.eventCount invalid, count: \(count) != taskEvents.count: \(taskEvents.count)")
+
+        return taskEvents.count
+    }
+
+    var isEmpty: Bool {
+        precondition(tasksToRequests.isEmpty == requestsToTasks.isEmpty,
+                     "RequestTaskMap.isEmpty invalid, requests.isEmpty: \(tasksToRequests.isEmpty) != tasks.isEmpty: \(requestsToTasks.isEmpty)")
+
+        return tasksToRequests.isEmpty
+    }
+
+    var isEventsEmpty: Bool {
+        precondition(taskEvents.isEmpty == isEmpty, "RequestTaskMap.isEventsEmpty invalid, isEmpty: \(isEmpty) != taskEvents.isEmpty: \(taskEvents.isEmpty)")
+
+        return taskEvents.isEmpty
+    }
+
+    mutating func disassociateIfNecessaryAfterGatheringMetricsForTask(_ task: URLSessionTask) {
+        guard let events = taskEvents[task] else {
+            fatalError("RequestTaskMap consistency error: no events corresponding to task found.")
+        }
+
+        switch (events.completed, events.metricsGathered) {
+        case (_, true): fatalError("RequestTaskMap consistency error: duplicate metricsGatheredForTask call.")
+        case (false, false): taskEvents[task] = (completed: false, metricsGathered: true)
+        case (true, false): self[task] = nil
+        }
+    }
+
+    mutating func disassociateIfNecessaryAfterCompletingTask(_ task: URLSessionTask) {
+        guard let events = taskEvents[task] else {
+            fatalError("RequestTaskMap consistency error: no events corresponding to task found.")
+        }
+
+        switch (events.completed, events.metricsGathered) {
+        case (true, _): fatalError("RequestTaskMap consistency error: duplicate completionReceivedForTask call.")
+        case (false, false): taskEvents[task] = (completed: true, metricsGathered: false)
+        case (false, true): self[task] = nil
+        }
+    }
+}

Pods/Alamofire/Source/Response.swift

@@ -0,0 +1,399 @@
+//
+//  Response.swift
+//
+//  Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+/// Default type of `DataResponse` returned by Alamofire, with an `AFError` `Failure` type.
+public typealias AFDataResponse<Success> = DataResponse<Success, AFError>
+/// Default type of `DownloadResponse` returned by Alamofire, with an `AFError` `Failure` type.
+public typealias AFDownloadResponse<Success> = DownloadResponse<Success, AFError>
+
+/// Type used to store all values associated with a serialized response of a `DataRequest` or `UploadRequest`.
+public struct DataResponse<Success, Failure: Error> {
+    /// The URL request sent to the server.
+    public let request: URLRequest?
+
+    /// The server's response to the URL request.
+    public let response: HTTPURLResponse?
+
+    /// The data returned by the server.
+    public let data: Data?
+
+    /// The final metrics of the response.
+    public let metrics: URLSessionTaskMetrics?
+
+    /// The time taken to serialize the response.
+    public let serializationDuration: TimeInterval
+
+    /// The result of response serialization.
+    public let result: Result<Success, Failure>
+
+    /// Returns the associated value of the result if it is a success, `nil` otherwise.
+    public var value: Success? { return result.success }
+
+    /// Returns the associated error value if the result if it is a failure, `nil` otherwise.
+    public var error: Failure? { return result.failure }
+
+    /// Creates a `DataResponse` instance with the specified parameters derived from the response serialization.
+    ///
+    /// - Parameters:
+    ///   - request:               The `URLRequest` sent to the server.
+    ///   - response:              The `HTTPURLResponse` from the server.
+    ///   - data:                  The `Data` returned by the server.
+    ///   - metrics:               The `URLSessionTaskMetrics` of the `DataRequest` or `UploadRequest`.
+    ///   - serializationDuration: The duration taken by serialization.
+    ///   - result:                The `Result` of response serialization.
+    public init(request: URLRequest?,
+                response: HTTPURLResponse?,
+                data: Data?,
+                metrics: URLSessionTaskMetrics?,
+                serializationDuration: TimeInterval,
+                result: Result<Success, Failure>) {
+        self.request = request
+        self.response = response
+        self.data = data
+        self.metrics = metrics
+        self.serializationDuration = serializationDuration
+        self.result = result
+    }
+}
+
+// MARK: -
+
+extension DataResponse: CustomStringConvertible, CustomDebugStringConvertible {
+    /// The textual representation used when written to an output stream, which includes whether the result was a
+    /// success or failure.
+    public var description: String {
+        return "\(result)"
+    }
+
+    /// The debug textual representation used when written to an output stream, which includes the URL request, the URL
+    /// response, the server data, the duration of the network and serialization actions, and the response serialization
+    /// result.
+    public var debugDescription: String {
+        let requestDescription = request.map { "\($0.httpMethod!) \($0)" } ?? "nil"
+        let requestBody = request?.httpBody.map { String(decoding: $0, as: UTF8.self) } ?? "None"
+        let responseDescription = response.map { response in
+            let sortedHeaders = response.headers.sorted()
+
+            return """
+            [Status Code]: \(response.statusCode)
+            [Headers]:
+            \(sortedHeaders)
+            """
+        } ?? "nil"
+        let responseBody = data.map { String(decoding: $0, as: UTF8.self) } ?? "None"
+        let metricsDescription = metrics.map { "\($0.taskInterval.duration)s" } ?? "None"
+
+        return """
+        [Request]: \(requestDescription)
+        [Request Body]: \n\(requestBody)
+        [Response]: \n\(responseDescription)
+        [Response Body]: \n\(responseBody)
+        [Data]: \(data?.description ?? "None")
+        [Network Duration]: \(metricsDescription)
+        [Serialization Duration]: \(serializationDuration)s
+        [Result]: \(result)
+        """
+    }
+}
+
+// MARK: -
+
+extension DataResponse {
+    /// Evaluates the specified closure when the result of this `DataResponse` is a success, passing the unwrapped
+    /// result value as a parameter.
+    ///
+    /// Use the `map` method with a closure that does not throw. For example:
+    ///
+    ///     let possibleData: DataResponse<Data> = ...
+    ///     let possibleInt = possibleData.map { $0.count }
+    ///
+    /// - parameter transform: A closure that takes the success value of the instance's result.
+    ///
+    /// - returns: A `DataResponse` whose result wraps the value returned by the given closure. If this instance's
+    ///            result is a failure, returns a response wrapping the same failure.
+    public func map<NewSuccess>(_ transform: (Success) -> NewSuccess) -> DataResponse<NewSuccess, Failure> {
+        return DataResponse<NewSuccess, Failure>(request: request,
+                                                 response: response,
+                                                 data: data,
+                                                 metrics: metrics,
+                                                 serializationDuration: serializationDuration,
+                                                 result: result.map(transform))
+    }
+
+    /// Evaluates the given closure when the result of this `DataResponse` is a success, passing the unwrapped result
+    /// value as a parameter.
+    ///
+    /// Use the `tryMap` method with a closure that may throw an error. For example:
+    ///
+    ///     let possibleData: DataResponse<Data> = ...
+    ///     let possibleObject = possibleData.tryMap {
+    ///         try JSONSerialization.jsonObject(with: $0)
+    ///     }
+    ///
+    /// - parameter transform: A closure that takes the success value of the instance's result.
+    ///
+    /// - returns: A success or failure `DataResponse` depending on the result of the given closure. If this instance's
+    ///            result is a failure, returns the same failure.
+    public func tryMap<NewSuccess>(_ transform: (Success) throws -> NewSuccess) -> DataResponse<NewSuccess, Error> {
+        return DataResponse<NewSuccess, Error>(request: request,
+                                               response: response,
+                                               data: data,
+                                               metrics: metrics,
+                                               serializationDuration: serializationDuration,
+                                               result: result.tryMap(transform))
+    }
+
+    /// Evaluates the specified closure when the `DataResponse` is a failure, passing the unwrapped error as a parameter.
+    ///
+    /// Use the `mapError` function with a closure that does not throw. For example:
+    ///
+    ///     let possibleData: DataResponse<Data> = ...
+    ///     let withMyError = possibleData.mapError { MyError.error($0) }
+    ///
+    /// - Parameter transform: A closure that takes the error of the instance.
+    ///
+    /// - Returns: A `DataResponse` instance containing the result of the transform.
+    public func mapError<NewFailure: Error>(_ transform: (Failure) -> NewFailure) -> DataResponse<Success, NewFailure> {
+        return DataResponse<Success, NewFailure>(request: request,
+                                                 response: response,
+                                                 data: data,
+                                                 metrics: metrics,
+                                                 serializationDuration: serializationDuration,
+                                                 result: result.mapError(transform))
+    }
+
+    /// Evaluates the specified closure when the `DataResponse` is a failure, passing the unwrapped error as a parameter.
+    ///
+    /// Use the `tryMapError` function with a closure that may throw an error. For example:
+    ///
+    ///     let possibleData: DataResponse<Data> = ...
+    ///     let possibleObject = possibleData.tryMapError {
+    ///         try someFailableFunction(taking: $0)
+    ///     }
+    ///
+    /// - Parameter transform: A throwing closure that takes the error of the instance.
+    ///
+    /// - Returns: A `DataResponse` instance containing the result of the transform.
+    public func tryMapError<NewFailure: Error>(_ transform: (Failure) throws -> NewFailure) -> DataResponse<Success, Error> {
+        return DataResponse<Success, Error>(request: request,
+                                            response: response,
+                                            data: data,
+                                            metrics: metrics,
+                                            serializationDuration: serializationDuration,
+                                            result: result.tryMapError(transform))
+    }
+}
+
+// MARK: -
+
+/// Used to store all data associated with a serialized response of a download request.
+public struct DownloadResponse<Success, Failure: Error> {
+    /// The URL request sent to the server.
+    public let request: URLRequest?
+
+    /// The server's response to the URL request.
+    public let response: HTTPURLResponse?
+
+    /// The final destination URL of the data returned from the server after it is moved.
+    public let fileURL: URL?
+
+    /// The resume data generated if the request was cancelled.
+    public let resumeData: Data?
+
+    /// The final metrics of the response.
+    public let metrics: URLSessionTaskMetrics?
+
+    /// The time taken to serialize the response.
+    public let serializationDuration: TimeInterval
+
+    /// The result of response serialization.
+    public let result: Result<Success, Failure>
+
+    /// Returns the associated value of the result if it is a success, `nil` otherwise.
+    public var value: Success? { return result.success }
+
+    /// Returns the associated error value if the result if it is a failure, `nil` otherwise.
+    public var error: Failure? { return result.failure }
+
+    /// Creates a `DownloadResponse` instance with the specified parameters derived from response serialization.
+    ///
+    /// - Parameters:
+    ///   - request:               The `URLRequest` sent to the server.
+    ///   - response:              The `HTTPURLResponse` from the server.
+    ///   - temporaryURL:          The temporary destination `URL` of the data returned from the server.
+    ///   - destinationURL:        The final destination `URL` of the data returned from the server, if it was moved.
+    ///   - resumeData:            The resume `Data` generated if the request was cancelled.
+    ///   - metrics:               The `URLSessionTaskMetrics` of the `DownloadRequest`.
+    ///   - serializationDuration: The duration taken by serialization.
+    ///   - result:                The `Result` of response serialization.
+    public init(request: URLRequest?,
+                response: HTTPURLResponse?,
+                fileURL: URL?,
+                resumeData: Data?,
+                metrics: URLSessionTaskMetrics?,
+                serializationDuration: TimeInterval,
+                result: Result<Success, Failure>) {
+        self.request = request
+        self.response = response
+        self.fileURL = fileURL
+        self.resumeData = resumeData
+        self.metrics = metrics
+        self.serializationDuration = serializationDuration
+        self.result = result
+    }
+}
+
+// MARK: -
+
+extension DownloadResponse: CustomStringConvertible, CustomDebugStringConvertible {
+    /// The textual representation used when written to an output stream, which includes whether the result was a
+    /// success or failure.
+    public var description: String {
+        return "\(result)"
+    }
+
+    /// The debug textual representation used when written to an output stream, which includes the URL request, the URL
+    /// response, the temporary and destination URLs, the resume data, the durations of the network and serialization
+    /// actions, and the response serialization result.
+    public var debugDescription: String {
+        let requestDescription = request.map { "\($0.httpMethod!) \($0)" } ?? "nil"
+        let requestBody = request?.httpBody.map { String(decoding: $0, as: UTF8.self) } ?? "None"
+        let responseDescription = response.map { response in
+            let sortedHeaders = response.headers.sorted()
+
+            return """
+            [Status Code]: \(response.statusCode)
+            [Headers]:
+            \(sortedHeaders)
+            """
+        } ?? "nil"
+        let metricsDescription = metrics.map { "\($0.taskInterval.duration)s" } ?? "None"
+        let resumeDataDescription = resumeData.map { "\($0)" } ?? "None"
+
+        return """
+        [Request]: \(requestDescription)
+        [Request Body]: \n\(requestBody)
+        [Response]: \n\(responseDescription)
+        [File URL]: \(fileURL?.path ?? "nil")
+        [ResumeData]: \(resumeDataDescription)
+        [Network Duration]: \(metricsDescription)
+        [Serialization Duration]: \(serializationDuration)s
+        [Result]: \(result)
+        """
+    }
+}
+
+// MARK: -
+
+extension DownloadResponse {
+    /// Evaluates the given closure when the result of this `DownloadResponse` is a success, passing the unwrapped
+    /// result value as a parameter.
+    ///
+    /// Use the `map` method with a closure that does not throw. For example:
+    ///
+    ///     let possibleData: DownloadResponse<Data> = ...
+    ///     let possibleInt = possibleData.map { $0.count }
+    ///
+    /// - parameter transform: A closure that takes the success value of the instance's result.
+    ///
+    /// - returns: A `DownloadResponse` whose result wraps the value returned by the given closure. If this instance's
+    ///            result is a failure, returns a response wrapping the same failure.
+    public func map<NewSuccess>(_ transform: (Success) -> NewSuccess) -> DownloadResponse<NewSuccess, Failure> {
+        return DownloadResponse<NewSuccess, Failure>(request: request,
+                                                     response: response,
+                                                     fileURL: fileURL,
+                                                     resumeData: resumeData,
+                                                     metrics: metrics,
+                                                     serializationDuration: serializationDuration,
+                                                     result: result.map(transform))
+    }
+
+    /// Evaluates the given closure when the result of this `DownloadResponse` is a success, passing the unwrapped
+    /// result value as a parameter.
+    ///
+    /// Use the `tryMap` method with a closure that may throw an error. For example:
+    ///
+    ///     let possibleData: DownloadResponse<Data> = ...
+    ///     let possibleObject = possibleData.tryMap {
+    ///         try JSONSerialization.jsonObject(with: $0)
+    ///     }
+    ///
+    /// - parameter transform: A closure that takes the success value of the instance's result.
+    ///
+    /// - returns: A success or failure `DownloadResponse` depending on the result of the given closure. If this
+    /// instance's result is a failure, returns the same failure.
+    public func tryMap<NewSuccess>(_ transform: (Success) throws -> NewSuccess) -> DownloadResponse<NewSuccess, Error> {
+        return DownloadResponse<NewSuccess, Error>(request: request,
+                                                   response: response,
+                                                   fileURL: fileURL,
+                                                   resumeData: resumeData,
+                                                   metrics: metrics,
+                                                   serializationDuration: serializationDuration,
+                                                   result: result.tryMap(transform))
+    }
+
+    /// Evaluates the specified closure when the `DownloadResponse` is a failure, passing the unwrapped error as a parameter.
+    ///
+    /// Use the `mapError` function with a closure that does not throw. For example:
+    ///
+    ///     let possibleData: DownloadResponse<Data> = ...
+    ///     let withMyError = possibleData.mapError { MyError.error($0) }
+    ///
+    /// - Parameter transform: A closure that takes the error of the instance.
+    ///
+    /// - Returns: A `DownloadResponse` instance containing the result of the transform.
+    public func mapError<NewFailure: Error>(_ transform: (Failure) -> NewFailure) -> DownloadResponse<Success, NewFailure> {
+        return DownloadResponse<Success, NewFailure>(request: request,
+                                                     response: response,
+                                                     fileURL: fileURL,
+                                                     resumeData: resumeData,
+                                                     metrics: metrics,
+                                                     serializationDuration: serializationDuration,
+                                                     result: result.mapError(transform))
+    }
+
+    /// Evaluates the specified closure when the `DownloadResponse` is a failure, passing the unwrapped error as a parameter.
+    ///
+    /// Use the `tryMapError` function with a closure that may throw an error. For example:
+    ///
+    ///     let possibleData: DownloadResponse<Data> = ...
+    ///     let possibleObject = possibleData.tryMapError {
+    ///         try someFailableFunction(taking: $0)
+    ///     }
+    ///
+    /// - Parameter transform: A throwing closure that takes the error of the instance.
+    ///
+    /// - Returns: A `DownloadResponse` instance containing the result of the transform.
+    public func tryMapError<NewFailure: Error>(_ transform: (Failure) throws -> NewFailure) -> DownloadResponse<Success, Error> {
+        return DownloadResponse<Success, Error>(request: request,
+                                                response: response,
+                                                fileURL: fileURL,
+                                                resumeData: resumeData,
+                                                metrics: metrics,
+                                                serializationDuration: serializationDuration,
+                                                result: result.tryMapError(transform))
+    }
+}

Pods/Alamofire/Source/ResponseSerialization.swift

@@ -0,0 +1,779 @@
+//
+//  ResponseSerialization.swift
+//
+//  Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+// MARK: Protocols
+
+/// The type to which all data response serializers must conform in order to serialize a response.
+public protocol DataResponseSerializerProtocol {
+    /// The type of serialized object to be created.
+    associatedtype SerializedObject
+
+    /// Serialize the response `Data` into the provided type..
+    ///
+    /// - Parameters:
+    ///   - request:  `URLRequest` which was used to perform the request, if any.
+    ///   - response: `HTTPURLResponse` received from the server, if any.
+    ///   - data:     `Data` returned from the server, if any.
+    ///   - error:    `Error` produced by Alamofire or the underlying `URLSession` during the request.
+    ///
+    /// - Returns:    The `SerializedObject`.
+    /// - Throws:     Any `Error` produced during serialization.
+    func serialize(request: URLRequest?, response: HTTPURLResponse?, data: Data?, error: Error?) throws -> SerializedObject
+}
+
+/// The type to which all download response serializers must conform in order to serialize a response.
+public protocol DownloadResponseSerializerProtocol {
+    /// The type of serialized object to be created.
+    associatedtype SerializedObject
+
+    /// Serialize the downloaded response `Data` from disk into the provided type..
+    ///
+    /// - Parameters:
+    ///   - request:  `URLRequest` which was used to perform the request, if any.
+    ///   - response: `HTTPURLResponse` received from the server, if any.
+    ///   - fileURL:  File `URL` to which the response data was downloaded.
+    ///   - error:    `Error` produced by Alamofire or the underlying `URLSession` during the request.
+    ///
+    /// - Returns:    The `SerializedObject`.
+    /// - Throws:     Any `Error` produced during serialization.
+    func serializeDownload(request: URLRequest?, response: HTTPURLResponse?, fileURL: URL?, error: Error?) throws -> SerializedObject
+}
+
+/// A serializer that can handle both data and download responses.
+public protocol ResponseSerializer: DataResponseSerializerProtocol & DownloadResponseSerializerProtocol {
+    /// `DataPreprocessor` used to prepare incoming `Data` for serialization.
+    var dataPreprocessor: DataPreprocessor { get }
+    /// `HTTPMethod`s for which empty response bodies are considered appropriate.
+    var emptyRequestMethods: Set<HTTPMethod> { get }
+    /// HTTP response codes for which empty response bodies are considered appropriate.
+    var emptyResponseCodes: Set<Int> { get }
+}
+
+/// Type used to preprocess `Data` before it handled by a serializer.
+public protocol DataPreprocessor {
+    /// Process           `Data` before it's handled by a serializer.
+    /// - Parameter data: The raw `Data` to process.
+    func preprocess(_ data: Data) throws -> Data
+}
+
+/// `DataPreprocessor` that returns passed `Data` without any transform.
+public struct PassthroughPreprocessor: DataPreprocessor {
+    public init() {}
+
+    public func preprocess(_ data: Data) throws -> Data { return data }
+}
+
+/// `DataPreprocessor` that trims Google's typical `)]}',\n` XSSI JSON header.
+public struct GoogleXSSIPreprocessor: DataPreprocessor {
+    public init() {}
+
+    public func preprocess(_ data: Data) throws -> Data {
+        return (data.prefix(6) == Data(")]}',\n".utf8)) ? data.dropFirst(6) : data
+    }
+}
+
+extension ResponseSerializer {
+    /// Default `DataPreprocessor`. `PassthroughPreprocessor` by default.
+    public static var defaultDataPreprocessor: DataPreprocessor { return PassthroughPreprocessor() }
+    /// Default `HTTPMethod`s for which empty response bodies are considered appropriate. `[.head]` by default.
+    public static var defaultEmptyRequestMethods: Set<HTTPMethod> { return [.head] }
+    /// HTTP response codes for which empty response bodies are considered appropriate. `[204, 205]` by default.
+    public static var defaultEmptyResponseCodes: Set<Int> { return [204, 205] }
+
+    public var dataPreprocessor: DataPreprocessor { return Self.defaultDataPreprocessor }
+    public var emptyRequestMethods: Set<HTTPMethod> { return Self.defaultEmptyRequestMethods }
+    public var emptyResponseCodes: Set<Int> { return Self.defaultEmptyResponseCodes }
+
+    /// Determines whether the `request` allows empty response bodies, if `request` exists.
+    ///
+    /// - Parameter request: `URLRequest` to evaluate.
+    ///
+    /// - Returns:           `Bool` representing the outcome of the evaluation, or `nil` if `request` was `nil`.
+    public func requestAllowsEmptyResponseData(_ request: URLRequest?) -> Bool? {
+        return request.flatMap { $0.httpMethod }
+            .flatMap(HTTPMethod.init)
+            .map { emptyRequestMethods.contains($0) }
+    }
+
+    /// Determines whether the `response` allows empty response bodies, if `response` exists`.
+    ///
+    /// - Parameter response: `HTTPURLResponse` to evaluate.
+    ///
+    /// - Returns:            `Bool` representing the outcome of the evaluation, or `nil` if `response` was `nil`.
+    public func responseAllowsEmptyResponseData(_ response: HTTPURLResponse?) -> Bool? {
+        return response.flatMap { $0.statusCode }
+            .map { emptyResponseCodes.contains($0) }
+    }
+
+    /// Determines whether `request` and `response` allow empty response bodies.
+    ///
+    /// - Parameters:
+    ///   - request:  `URLRequest` to evaluate.
+    ///   - response: `HTTPURLResponse` to evaluate.
+    ///
+    /// - Returns:    `true` if `request` or `response` allow empty bodies, `false` otherwise.
+    public func emptyResponseAllowed(forRequest request: URLRequest?, response: HTTPURLResponse?) -> Bool {
+        return (requestAllowsEmptyResponseData(request) == true) || (responseAllowsEmptyResponseData(response) == true)
+    }
+}
+
+/// By default, any serializer declared to conform to both types will get file serialization for free, as it just feeds
+/// the data read from disk into the data response serializer.
+public extension DownloadResponseSerializerProtocol where Self: DataResponseSerializerProtocol {
+    func serializeDownload(request: URLRequest?, response: HTTPURLResponse?, fileURL: URL?, error: Error?) throws -> Self.SerializedObject {
+        guard error == nil else { throw error! }
+
+        guard let fileURL = fileURL else {
+            throw AFError.responseSerializationFailed(reason: .inputFileNil)
+        }
+
+        let data: Data
+        do {
+            data = try Data(contentsOf: fileURL)
+        } catch {
+            throw AFError.responseSerializationFailed(reason: .inputFileReadFailed(at: fileURL))
+        }
+
+        do {
+            return try serialize(request: request, response: response, data: data, error: error)
+        } catch {
+            throw error
+        }
+    }
+}
+
+// MARK: - Default
+
+extension DataRequest {
+    /// Adds a handler to be called once the request has finished.
+    ///
+    /// - Parameters:
+    ///   - queue:             The queue on which the completion handler is dispatched. `.main` by default.
+    ///   - completionHandler: The code to be executed once the request has finished.
+    ///
+    /// - Returns:             The request.
+    @discardableResult
+    public func response(queue: DispatchQueue = .main, completionHandler: @escaping (AFDataResponse<Data?>) -> Void) -> Self {
+        appendResponseSerializer {
+            // Start work that should be on the serialization queue.
+            let result = AFResult<Data?>(value: self.data, error: self.error)
+            // End work that should be on the serialization queue.
+
+            self.underlyingQueue.async {
+                let response = DataResponse(request: self.request,
+                                            response: self.response,
+                                            data: self.data,
+                                            metrics: self.metrics,
+                                            serializationDuration: 0,
+                                            result: result)
+
+                self.eventMonitor?.request(self, didParseResponse: response)
+
+                self.responseSerializerDidComplete { queue.async { completionHandler(response) } }
+            }
+        }
+
+        return self
+    }
+
+    /// Adds a handler to be called once the request has finished.
+    ///
+    /// - Parameters:
+    ///   - queue:              The queue on which the completion handler is dispatched. `.main` by default
+    ///   - responseSerializer: The response serializer responsible for serializing the request, response, and data.
+    ///   - completionHandler:  The code to be executed once the request has finished.
+    ///
+    /// - Returns:              The request.
+    @discardableResult
+    public func response<Serializer: DataResponseSerializerProtocol>(queue: DispatchQueue = .main,
+                                                                     responseSerializer: Serializer,
+                                                                     completionHandler: @escaping (AFDataResponse<Serializer.SerializedObject>) -> Void)
+        -> Self {
+        appendResponseSerializer {
+            // Start work that should be on the serialization queue.
+            let start = CFAbsoluteTimeGetCurrent()
+            let result: AFResult<Serializer.SerializedObject> = Result {
+                try responseSerializer.serialize(request: self.request,
+                                                 response: self.response,
+                                                 data: self.data,
+                                                 error: self.error)
+            }.mapError { error in
+                error.asAFError(or: .responseSerializationFailed(reason: .customSerializationFailed(error: error)))
+            }
+
+            let end = CFAbsoluteTimeGetCurrent()
+            // End work that should be on the serialization queue.
+
+            self.underlyingQueue.async {
+                let response = DataResponse(request: self.request,
+                                            response: self.response,
+                                            data: self.data,
+                                            metrics: self.metrics,
+                                            serializationDuration: end - start,
+                                            result: result)
+
+                self.eventMonitor?.request(self, didParseResponse: response)
+
+                guard let serializerError = result.failure, let delegate = self.delegate else {
+                    self.responseSerializerDidComplete { queue.async { completionHandler(response) } }
+                    return
+                }
+
+                delegate.retryResult(for: self, dueTo: serializerError) { retryResult in
+                    var didComplete: (() -> Void)?
+
+                    defer {
+                        if let didComplete = didComplete {
+                            self.responseSerializerDidComplete { queue.async { didComplete() } }
+                        }
+                    }
+
+                    switch retryResult {
+                    case .doNotRetry:
+                        didComplete = { completionHandler(response) }
+
+                    case let .doNotRetryWithError(retryError):
+                        let result: AFResult<Serializer.SerializedObject> = .failure(retryError.asAFError(orFailWith: "Received retryError was not already AFError"))
+
+                        let response = DataResponse(request: self.request,
+                                                    response: self.response,
+                                                    data: self.data,
+                                                    metrics: self.metrics,
+                                                    serializationDuration: end - start,
+                                                    result: result)
+
+                        didComplete = { completionHandler(response) }
+
+                    case .retry, .retryWithDelay:
+                        delegate.retryRequest(self, withDelay: retryResult.delay)
+                    }
+                }
+            }
+        }
+
+        return self
+    }
+}
+
+extension DownloadRequest {
+    /// Adds a handler to be called once the request has finished.
+    ///
+    /// - Parameters:
+    ///   - queue:             The queue on which the completion handler is dispatched. `.main` by default.
+    ///   - completionHandler: The code to be executed once the request has finished.
+    ///
+    /// - Returns:             The request.
+    @discardableResult
+    public func response(queue: DispatchQueue = .main,
+                         completionHandler: @escaping (AFDownloadResponse<URL?>) -> Void)
+        -> Self {
+        appendResponseSerializer {
+            // Start work that should be on the serialization queue.
+            let result = AFResult<URL?>(value: self.fileURL, error: self.error)
+            // End work that should be on the serialization queue.
+
+            self.underlyingQueue.async {
+                let response = DownloadResponse(request: self.request,
+                                                response: self.response,
+                                                fileURL: self.fileURL,
+                                                resumeData: self.resumeData,
+                                                metrics: self.metrics,
+                                                serializationDuration: 0,
+                                                result: result)
+
+                self.eventMonitor?.request(self, didParseResponse: response)
+
+                self.responseSerializerDidComplete { queue.async { completionHandler(response) } }
+            }
+        }
+
+        return self
+    }
+
+    /// Adds a handler to be called once the request has finished.
+    ///
+    /// - Parameters:
+    ///   - queue:              The queue on which the completion handler is dispatched. `.main` by default.
+    ///   - responseSerializer: The response serializer responsible for serializing the request, response, and data
+    ///                         contained in the destination `URL`.
+    ///   - completionHandler:  The code to be executed once the request has finished.
+    ///
+    /// - Returns:              The request.
+    @discardableResult
+    public func response<T: DownloadResponseSerializerProtocol>(queue: DispatchQueue = .main,
+                                                                responseSerializer: T,
+                                                                completionHandler: @escaping (AFDownloadResponse<T.SerializedObject>) -> Void)
+        -> Self {
+        appendResponseSerializer {
+            // Start work that should be on the serialization queue.
+            let start = CFAbsoluteTimeGetCurrent()
+            let result: AFResult<T.SerializedObject> = Result {
+                try responseSerializer.serializeDownload(request: self.request,
+                                                         response: self.response,
+                                                         fileURL: self.fileURL,
+                                                         error: self.error)
+            }.mapError { error in
+                error.asAFError(or: .responseSerializationFailed(reason: .customSerializationFailed(error: error)))
+            }
+            let end = CFAbsoluteTimeGetCurrent()
+            // End work that should be on the serialization queue.
+
+            self.underlyingQueue.async {
+                let response = DownloadResponse(request: self.request,
+                                                response: self.response,
+                                                fileURL: self.fileURL,
+                                                resumeData: self.resumeData,
+                                                metrics: self.metrics,
+                                                serializationDuration: end - start,
+                                                result: result)
+
+                self.eventMonitor?.request(self, didParseResponse: response)
+
+                guard let serializerError = result.failure, let delegate = self.delegate else {
+                    self.responseSerializerDidComplete { queue.async { completionHandler(response) } }
+                    return
+                }
+
+                delegate.retryResult(for: self, dueTo: serializerError) { retryResult in
+                    var didComplete: (() -> Void)?
+
+                    defer {
+                        if let didComplete = didComplete {
+                            self.responseSerializerDidComplete { queue.async { didComplete() } }
+                        }
+                    }
+
+                    switch retryResult {
+                    case .doNotRetry:
+                        didComplete = { completionHandler(response) }
+
+                    case let .doNotRetryWithError(retryError):
+                        let result: AFResult<T.SerializedObject> = .failure(retryError.asAFError(orFailWith: "Received retryError was not already AFError"))
+
+                        let response = DownloadResponse(request: self.request,
+                                                        response: self.response,
+                                                        fileURL: self.fileURL,
+                                                        resumeData: self.resumeData,
+                                                        metrics: self.metrics,
+                                                        serializationDuration: end - start,
+                                                        result: result)
+
+                        didComplete = { completionHandler(response) }
+
+                    case .retry, .retryWithDelay:
+                        delegate.retryRequest(self, withDelay: retryResult.delay)
+                    }
+                }
+            }
+        }
+
+        return self
+    }
+}
+
+// MARK: - Data
+
+extension DataRequest {
+    /// Adds a handler to be called once the request has finished.
+    ///
+    /// - Parameters:
+    ///   - queue:             The queue on which the completion handler is dispatched. `.main` by default.
+    ///   - completionHandler: The code to be executed once the request has finished.
+    ///
+    /// - Returns:             The request.
+    @discardableResult
+    public func responseData(queue: DispatchQueue = .main,
+                             completionHandler: @escaping (AFDataResponse<Data>) -> Void)
+        -> Self {
+        return response(queue: queue,
+                        responseSerializer: DataResponseSerializer(),
+                        completionHandler: completionHandler)
+    }
+}
+
+/// A `ResponseSerializer` that performs minimal response checking and returns any response data as-is. By default, a
+/// request returning `nil` or no data is considered an error. However, if the response is has a status code valid for
+/// empty responses (`204`, `205`), then an empty `Data` value is returned.
+public final class DataResponseSerializer: ResponseSerializer {
+    public let dataPreprocessor: DataPreprocessor
+    public let emptyResponseCodes: Set<Int>
+    public let emptyRequestMethods: Set<HTTPMethod>
+
+    /// Creates an instance using the provided values.
+    ///
+    /// - Parameters:
+    ///   - dataPreprocessor:    `DataPreprocessor` used to prepare the received `Data` for serialization.
+    ///   - emptyResponseCodes:  The HTTP response codes for which empty responses are allowed. `[204, 205]` by default.
+    ///   - emptyRequestMethods: The HTTP request methods for which empty responses are allowed. `[.head]` by default.
+    public init(dataPreprocessor: DataPreprocessor = DataResponseSerializer.defaultDataPreprocessor,
+                emptyResponseCodes: Set<Int> = DataResponseSerializer.defaultEmptyResponseCodes,
+                emptyRequestMethods: Set<HTTPMethod> = DataResponseSerializer.defaultEmptyRequestMethods) {
+        self.dataPreprocessor = dataPreprocessor
+        self.emptyResponseCodes = emptyResponseCodes
+        self.emptyRequestMethods = emptyRequestMethods
+    }
+
+    public func serialize(request: URLRequest?, response: HTTPURLResponse?, data: Data?, error: Error?) throws -> Data {
+        guard error == nil else { throw error! }
+
+        guard var data = data, !data.isEmpty else {
+            guard emptyResponseAllowed(forRequest: request, response: response) else {
+                throw AFError.responseSerializationFailed(reason: .inputDataNilOrZeroLength)
+            }
+
+            return Data()
+        }
+
+        data = try dataPreprocessor.preprocess(data)
+
+        return data
+    }
+}
+
+extension DownloadRequest {
+    /// Adds a handler to be called once the request has finished.
+    ///
+    /// - Parameters:
+    ///   - queue:             The queue on which the completion handler is dispatched. `.main` by default.
+    ///   - completionHandler: The code to be executed once the request has finished.
+    ///
+    /// - Returns:             The request.
+    @discardableResult
+    public func responseData(queue: DispatchQueue = .main,
+                             completionHandler: @escaping (AFDownloadResponse<Data>) -> Void)
+        -> Self {
+        return response(queue: queue,
+                        responseSerializer: DataResponseSerializer(),
+                        completionHandler: completionHandler)
+    }
+}
+
+// MARK: - String
+
+/// A `ResponseSerializer` that decodes the response data as a `String`. By default, a request returning `nil` or no
+/// data is considered an error. However, if the response is has a status code valid for empty responses (`204`, `205`),
+/// then an empty `String` is returned.
+public final class StringResponseSerializer: ResponseSerializer {
+    public let dataPreprocessor: DataPreprocessor
+    /// Optional string encoding used to validate the response.
+    public let encoding: String.Encoding?
+    public let emptyResponseCodes: Set<Int>
+    public let emptyRequestMethods: Set<HTTPMethod>
+
+    /// Creates an instance with the provided values.
+    ///
+    /// - Parameters:
+    ///   - dataPreprocessor:    `DataPreprocessor` used to prepare the received `Data` for serialization.
+    ///   - encoding:            A string encoding. Defaults to `nil`, in which case the encoding will be determined
+    ///                          from the server response, falling back to the default HTTP character set, `ISO-8859-1`.
+    ///   - emptyResponseCodes:  The HTTP response codes for which empty responses are allowed. `[204, 205]` by default.
+    ///   - emptyRequestMethods: The HTTP request methods for which empty responses are allowed. `[.head]` by default.
+    public init(dataPreprocessor: DataPreprocessor = StringResponseSerializer.defaultDataPreprocessor,
+                encoding: String.Encoding? = nil,
+                emptyResponseCodes: Set<Int> = StringResponseSerializer.defaultEmptyResponseCodes,
+                emptyRequestMethods: Set<HTTPMethod> = StringResponseSerializer.defaultEmptyRequestMethods) {
+        self.dataPreprocessor = dataPreprocessor
+        self.encoding = encoding
+        self.emptyResponseCodes = emptyResponseCodes
+        self.emptyRequestMethods = emptyRequestMethods
+    }
+
+    public func serialize(request: URLRequest?, response: HTTPURLResponse?, data: Data?, error: Error?) throws -> String {
+        guard error == nil else { throw error! }
+
+        guard var data = data, !data.isEmpty else {
+            guard emptyResponseAllowed(forRequest: request, response: response) else {
+                throw AFError.responseSerializationFailed(reason: .inputDataNilOrZeroLength)
+            }
+
+            return ""
+        }
+
+        data = try dataPreprocessor.preprocess(data)
+
+        var convertedEncoding = encoding
+
+        if let encodingName = response?.textEncodingName as CFString?, convertedEncoding == nil {
+            let ianaCharSet = CFStringConvertIANACharSetNameToEncoding(encodingName)
+            let nsStringEncoding = CFStringConvertEncodingToNSStringEncoding(ianaCharSet)
+            convertedEncoding = String.Encoding(rawValue: nsStringEncoding)
+        }
+
+        let actualEncoding = convertedEncoding ?? .isoLatin1
+
+        guard let string = String(data: data, encoding: actualEncoding) else {
+            throw AFError.responseSerializationFailed(reason: .stringSerializationFailed(encoding: actualEncoding))
+        }
+
+        return string
+    }
+}
+
+extension DataRequest {
+    /// Adds a handler to be called once the request has finished.
+    ///
+    /// - Parameters:
+    ///   - queue:             The queue on which the completion handler is dispatched. `.main` by default.
+    ///   - encoding:          The string encoding. Defaults to `nil`, in which case the encoding will be determined from
+    ///                        the server response, falling back to the default HTTP character set, `ISO-8859-1`.
+    ///   - completionHandler: A closure to be executed once the request has finished.
+    ///
+    /// - Returns:             The request.
+    @discardableResult
+    public func responseString(queue: DispatchQueue = .main,
+                               encoding: String.Encoding? = nil,
+                               completionHandler: @escaping (AFDataResponse<String>) -> Void) -> Self {
+        return response(queue: queue,
+                        responseSerializer: StringResponseSerializer(encoding: encoding),
+                        completionHandler: completionHandler)
+    }
+}
+
+extension DownloadRequest {
+    /// Adds a handler to be called once the request has finished.
+    ///
+    /// - Parameters:
+    ///   - queue:             The queue on which the completion handler is dispatched. `.main` by default.
+    ///   - encoding:          The string encoding. Defaults to `nil`, in which case the encoding will be determined from
+    ///                        the server response, falling back to the default HTTP character set, `ISO-8859-1`.
+    ///   - completionHandler: A closure to be executed once the request has finished.
+    ///
+    /// - Returns:             The request.
+    @discardableResult
+    public func responseString(queue: DispatchQueue = .main,
+                               encoding: String.Encoding? = nil,
+                               completionHandler: @escaping (AFDownloadResponse<String>) -> Void)
+        -> Self {
+        return response(queue: queue,
+                        responseSerializer: StringResponseSerializer(encoding: encoding),
+                        completionHandler: completionHandler)
+    }
+}
+
+// MARK: - JSON
+
+/// A `ResponseSerializer` that decodes the response data using `JSONSerialization`. By default, a request returning
+/// `nil` or no data is considered an error. However, if the response is has a status code valid for empty responses
+/// (`204`, `205`), then an `NSNull`  value is returned.
+public final class JSONResponseSerializer: ResponseSerializer {
+    public let dataPreprocessor: DataPreprocessor
+    public let emptyResponseCodes: Set<Int>
+    public let emptyRequestMethods: Set<HTTPMethod>
+    /// `JSONSerialization.ReadingOptions` used when serializing a response.
+    public let options: JSONSerialization.ReadingOptions
+
+    /// Creates an instance with the provided values.
+    ///
+    /// - Parameters:
+    ///   - dataPreprocessor:    `DataPreprocessor` used to prepare the received `Data` for serialization.
+    ///   - emptyResponseCodes:  The HTTP response codes for which empty responses are allowed. `[204, 205]` by default.
+    ///   - emptyRequestMethods: The HTTP request methods for which empty responses are allowed. `[.head]` by default.
+    ///   - options:             The options to use. `.allowFragments` by default.
+    public init(dataPreprocessor: DataPreprocessor = JSONResponseSerializer.defaultDataPreprocessor,
+                emptyResponseCodes: Set<Int> = JSONResponseSerializer.defaultEmptyResponseCodes,
+                emptyRequestMethods: Set<HTTPMethod> = JSONResponseSerializer.defaultEmptyRequestMethods,
+                options: JSONSerialization.ReadingOptions = .allowFragments) {
+        self.dataPreprocessor = dataPreprocessor
+        self.emptyResponseCodes = emptyResponseCodes
+        self.emptyRequestMethods = emptyRequestMethods
+        self.options = options
+    }
+
+    public func serialize(request: URLRequest?, response: HTTPURLResponse?, data: Data?, error: Error?) throws -> Any {
+        guard error == nil else { throw error! }
+
+        guard var data = data, !data.isEmpty else {
+            guard emptyResponseAllowed(forRequest: request, response: response) else {
+                throw AFError.responseSerializationFailed(reason: .inputDataNilOrZeroLength)
+            }
+
+            return NSNull()
+        }
+
+        data = try dataPreprocessor.preprocess(data)
+
+        do {
+            return try JSONSerialization.jsonObject(with: data, options: options)
+        } catch {
+            throw AFError.responseSerializationFailed(reason: .jsonSerializationFailed(error: error))
+        }
+    }
+}
+
+extension DataRequest {
+    /// Adds a handler to be called once the request has finished.
+    ///
+    /// - Parameters:
+    ///   - queue:             The queue on which the completion handler is dispatched. `.main` by default.
+    ///   - options:           The JSON serialization reading options. `.allowFragments` by default.
+    ///   - completionHandler: A closure to be executed once the request has finished.
+    ///
+    /// - Returns:             The request.
+    @discardableResult
+    public func responseJSON(queue: DispatchQueue = .main,
+                             options: JSONSerialization.ReadingOptions = .allowFragments,
+                             completionHandler: @escaping (AFDataResponse<Any>) -> Void) -> Self {
+        return response(queue: queue,
+                        responseSerializer: JSONResponseSerializer(options: options),
+                        completionHandler: completionHandler)
+    }
+}
+
+extension DownloadRequest {
+    /// Adds a handler to be called once the request has finished.
+    ///
+    /// - Parameters:
+    ///   - queue:             The queue on which the completion handler is dispatched. `.main` by default.
+    ///   - options:           The JSON serialization reading options. `.allowFragments` by default.
+    ///   - completionHandler: A closure to be executed once the request has finished.
+    ///
+    /// - Returns:             The request.
+    @discardableResult
+    public func responseJSON(queue: DispatchQueue = .main,
+                             options: JSONSerialization.ReadingOptions = .allowFragments,
+                             completionHandler: @escaping (AFDownloadResponse<Any>) -> Void)
+        -> Self {
+        return response(queue: queue,
+                        responseSerializer: JSONResponseSerializer(options: options),
+                        completionHandler: completionHandler)
+    }
+}
+
+// MARK: - Empty
+
+/// Protocol representing an empty response. Use `T.emptyValue()` to get an instance.
+public protocol EmptyResponse {
+    /// Empty value for the conforming type.
+    ///
+    /// - Returns: Value of `Self` to use for empty values.
+    static func emptyValue() -> Self
+}
+
+/// Type representing an empty response. Use `Empty.value` to get the static instance.
+public struct Empty: Decodable {
+    /// Static `Empty` instance used for all `Empty` responses.
+    public static let value = Empty()
+}
+
+extension Empty: EmptyResponse {
+    public static func emptyValue() -> Empty {
+        return value
+    }
+}
+
+// MARK: - DataDecoder Protocol
+
+/// Any type which can decode `Data` into a `Decodable` type.
+public protocol DataDecoder {
+    /// Decode `Data` into the provided type.
+    ///
+    /// - Parameters:
+    ///   - type:  The `Type` to be decoded.
+    ///   - data:  The `Data` to be decoded.
+    ///
+    /// - Returns: The decoded value of type `D`.
+    /// - Throws:  Any error that occurs during decode.
+    func decode<D: Decodable>(_ type: D.Type, from data: Data) throws -> D
+}
+
+/// `JSONDecoder` automatically conforms to `DataDecoder`.
+extension JSONDecoder: DataDecoder {}
+
+// MARK: - Decodable
+
+/// A `ResponseSerializer` that decodes the response data as a generic value using any type that conforms to
+/// `DataDecoder`. By default, this is an instance of `JSONDecoder`. Additionally, a request returning `nil` or no data
+/// is considered an error. However, if the response is has a status code valid for empty responses (`204`, `205`), then
+/// the `Empty.value` value is returned.
+public final class DecodableResponseSerializer<T: Decodable>: ResponseSerializer {
+    public let dataPreprocessor: DataPreprocessor
+    /// The `DataDecoder` instance used to decode responses.
+    public let decoder: DataDecoder
+    public let emptyResponseCodes: Set<Int>
+    public let emptyRequestMethods: Set<HTTPMethod>
+
+    /// Creates an instance using the values provided.
+    ///
+    /// - Parameters:
+    ///   - dataPreprocessor:    `DataPreprocessor` used to prepare the received `Data` for serialization.
+    ///   - decoder:             The `DataDecoder`. `JSONDecoder()` by default.
+    ///   - emptyResponseCodes:  The HTTP response codes for which empty responses are allowed. `[204, 205]` by default.
+    ///   - emptyRequestMethods: The HTTP request methods for which empty responses are allowed. `[.head]` by default.
+    public init(dataPreprocessor: DataPreprocessor = DecodableResponseSerializer.defaultDataPreprocessor,
+                decoder: DataDecoder = JSONDecoder(),
+                emptyResponseCodes: Set<Int> = DecodableResponseSerializer.defaultEmptyResponseCodes,
+                emptyRequestMethods: Set<HTTPMethod> = DecodableResponseSerializer.defaultEmptyRequestMethods) {
+        self.dataPreprocessor = dataPreprocessor
+        self.decoder = decoder
+        self.emptyResponseCodes = emptyResponseCodes
+        self.emptyRequestMethods = emptyRequestMethods
+    }
+
+    public func serialize(request: URLRequest?, response: HTTPURLResponse?, data: Data?, error: Error?) throws -> T {
+        guard error == nil else { throw error! }
+
+        guard var data = data, !data.isEmpty else {
+            guard emptyResponseAllowed(forRequest: request, response: response) else {
+                throw AFError.responseSerializationFailed(reason: .inputDataNilOrZeroLength)
+            }
+
+            guard let emptyResponseType = T.self as? EmptyResponse.Type, let emptyValue = emptyResponseType.emptyValue() as? T else {
+                throw AFError.responseSerializationFailed(reason: .invalidEmptyResponse(type: "\(T.self)"))
+            }
+
+            return emptyValue
+        }
+
+        data = try dataPreprocessor.preprocess(data)
+
+        do {
+            return try decoder.decode(T.self, from: data)
+        } catch {
+            throw AFError.responseSerializationFailed(reason: .decodingFailed(error: error))
+        }
+    }
+}
+
+extension DataRequest {
+    /// Adds a handler to be called once the request has finished.
+    ///
+    /// - Parameters:
+    ///   - type:              `Decodable` type to decode from response data.
+    ///   - queue:             The queue on which the completion handler is dispatched. `.main` by default.
+    ///   - decoder:           `DataDecoder` to use to decode the response. `JSONDecoder()` by default.
+    ///   - completionHandler: A closure to be executed once the request has finished.
+    ///
+    /// - Returns:             The request.
+    @discardableResult
+    public func responseDecodable<T: Decodable>(of type: T.Type = T.self,
+                                                queue: DispatchQueue = .main,
+                                                decoder: DataDecoder = JSONDecoder(),
+                                                completionHandler: @escaping (AFDataResponse<T>) -> Void) -> Self {
+        return response(queue: queue,
+                        responseSerializer: DecodableResponseSerializer(decoder: decoder),
+                        completionHandler: completionHandler)
+    }
+}

Pods/Alamofire/Source/Result+Alamofire.swift

@@ -0,0 +1,109 @@
+//
+//  Result+Alamofire.swift
+//
+//  Copyright (c) 2019 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+/// Default type of `Result` returned by Alamofire, with an `AFError` `Failure` type.
+public typealias AFResult<Success> = Result<Success, AFError>
+
+// MARK: - Internal APIs
+
+extension Result {
+    /// Returns the associated value if the result is a success, `nil` otherwise.
+    var success: Success? {
+        guard case let .success(value) = self else { return nil }
+        return value
+    }
+
+    /// Returns the associated error value if the result is a failure, `nil` otherwise.
+    var failure: Failure? {
+        guard case let .failure(error) = self else { return nil }
+        return error
+    }
+
+    /// Initializes a `Result` from value or error. Returns `.failure` if the error is non-nil, `.success` otherwise.
+    ///
+    /// - Parameters:
+    ///   - value: A value.
+    ///   - error: An `Error`.
+    init(value: Success, error: Failure?) {
+        if let error = error {
+            self = .failure(error)
+        } else {
+            self = .success(value)
+        }
+    }
+
+    /// Evaluates the specified closure when the `Result` is a success, passing the unwrapped value as a parameter.
+    ///
+    /// Use the `tryMap` method with a closure that may throw an error. For example:
+    ///
+    ///     let possibleData: Result<Data, Error> = .success(Data(...))
+    ///     let possibleObject = possibleData.tryMap {
+    ///         try JSONSerialization.jsonObject(with: $0)
+    ///     }
+    ///
+    /// - parameter transform: A closure that takes the success value of the instance.
+    ///
+    /// - returns: A `Result` containing the result of the given closure. If this instance is a failure, returns the
+    ///            same failure.
+    func tryMap<NewSuccess>(_ transform: (Success) throws -> NewSuccess) -> Result<NewSuccess, Error> {
+        switch self {
+        case let .success(value):
+            do {
+                return try .success(transform(value))
+            } catch {
+                return .failure(error)
+            }
+        case let .failure(error):
+            return .failure(error)
+        }
+    }
+
+    /// Evaluates the specified closure when the `Result` is a failure, passing the unwrapped error as a parameter.
+    ///
+    /// Use the `tryMapError` function with a closure that may throw an error. For example:
+    ///
+    ///     let possibleData: Result<Data, Error> = .success(Data(...))
+    ///     let possibleObject = possibleData.tryMapError {
+    ///         try someFailableFunction(taking: $0)
+    ///     }
+    ///
+    /// - Parameter transform: A throwing closure that takes the error of the instance.
+    ///
+    /// - Returns: A `Result` instance containing the result of the transform. If this instance is a success, returns
+    ///            the same success.
+    func tryMapError<NewFailure: Error>(_ transform: (Failure) throws -> NewFailure) -> Result<Success, Error> {
+        switch self {
+        case let .failure(error):
+            do {
+                return try .failure(transform(error))
+            } catch {
+                return .failure(error)
+            }
+        case let .success(value):
+            return .success(value)
+        }
+    }
+}

Pods/Alamofire/Source/RetryPolicy.swift

@@ -0,0 +1,363 @@
+//
+//  RetryPolicy.swift
+//
+//  Copyright (c) 2019 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+/// A retry policy that retries requests using an exponential backoff for allowed HTTP methods and HTTP status codes
+/// as well as certain types of networking errors.
+open class RetryPolicy: RequestInterceptor {
+    /// The default retry limit for retry policies.
+    public static let defaultRetryLimit: UInt = 2
+
+    /// The default exponential backoff base for retry policies (must be a minimum of 2).
+    public static let defaultExponentialBackoffBase: UInt = 2
+
+    /// The default exponential backoff scale for retry policies.
+    public static let defaultExponentialBackoffScale: Double = 0.5
+
+    /// The default HTTP methods to retry.
+    /// See [RFC 2616 - Section 9.1.2](https://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html) for more information.
+    public static let defaultRetryableHTTPMethods: Set<HTTPMethod> = [.delete, // [Delete](https://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.7) - not always idempotent
+                                                                      .get, // [GET](https://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.3) - generally idempotent
+                                                                      .head, // [HEAD](https://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.4) - generally idempotent
+                                                                      .options, // [OPTIONS](https://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.2) - inherently idempotent
+                                                                      .put, // [PUT](https://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.6) - not always idempotent
+                                                                      .trace // [TRACE](https://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.8) - inherently idempotent
+    ]
+
+    /// The default HTTP status codes to retry.
+    /// See [RFC 2616 - Section 10](https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10) for more information.
+    public static let defaultRetryableHTTPStatusCodes: Set<Int> = [408, // [Request Timeout](https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.9)
+                                                                   500, // [Internal Server Error](https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.1)
+                                                                   502, // [Bad Gateway](https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.3)
+                                                                   503, // [Service Unavailable](https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.4)
+                                                                   504 // [Gateway Timeout](https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.5)
+    ]
+
+    /// The default URL error codes to retry.
+    public static let defaultRetryableURLErrorCodes: Set<URLError.Code> = [// [Security] App Transport Security disallowed a connection because there is no secure network connection.
+        //   - [Disabled] ATS settings do not change at runtime.
+        // .appTransportSecurityRequiresSecureConnection,
+
+        // [System] An app or app extension attempted to connect to a background session that is already connected to a
+        // process.
+        //   - [Enabled] The other process could release the background session.
+        .backgroundSessionInUseByAnotherProcess,
+                                                                           
+        // [System] The shared container identifier of the URL session configuration is needed but has not been set.
+        //   - [Disabled] Cannot change at runtime.
+        // .backgroundSessionRequiresSharedContainer,
+
+        // [System] The app is suspended or exits while a background data task is processing.
+        //   - [Enabled] App can be foregrounded or launched to recover.
+        .backgroundSessionWasDisconnected,
+                                                                           
+        // [Network] The URL Loading system received bad data from the server.
+        //   - [Enabled] Server could return valid data when retrying.
+        .badServerResponse,
+                                                                           
+        // [Resource] A malformed URL prevented a URL request from being initiated.
+        //   - [Disabled] URL was most likely constructed incorrectly.
+        // .badURL,
+
+        // [System] A connection was attempted while a phone call is active on a network that does not support
+        // simultaneous phone and data communication (EDGE or GPRS).
+        //   - [Enabled] Phone call could be ended to allow request to recover.
+        .callIsActive,
+                                                                           
+        // [Client] An asynchronous load has been canceled.
+        //   - [Disabled] Request was cancelled by the client.
+        // .cancelled,
+
+        // [File System] A download task couldn’t close the downloaded file on disk.
+        //   - [Disabled] File system error is unlikely to recover with retry.
+        // .cannotCloseFile,
+
+        // [Network] An attempt to connect to a host failed.
+        //   - [Enabled] Server or DNS lookup could recover during retry.
+        .cannotConnectToHost,
+                                                                           
+        // [File System] A download task couldn’t create the downloaded file on disk because of an I/O failure.
+        //   - [Disabled] File system error is unlikely to recover with retry.
+        // .cannotCreateFile,
+
+        // [Data] Content data received during a connection request had an unknown content encoding.
+        //   - [Disabled] Server is unlikely to modify the content encoding during a retry.
+        // .cannotDecodeContentData,
+
+        // [Data] Content data received during a connection request could not be decoded for a known content encoding.
+        //   - [Disabled] Server is unlikely to modify the content encoding during a retry.
+        // .cannotDecodeRawData,
+
+        // [Network] The host name for a URL could not be resolved.
+        //   - [Enabled] Server or DNS lookup could recover during retry.
+        .cannotFindHost,
+                                                                           
+        // [Network] A request to load an item only from the cache could not be satisfied.
+        //   - [Enabled] Cache could be populated during a retry.
+        .cannotLoadFromNetwork,
+                                                                           
+        // [File System] A download task was unable to move a downloaded file on disk.
+        //   - [Disabled] File system error is unlikely to recover with retry.
+        // .cannotMoveFile,
+
+        // [File System] A download task was unable to open the downloaded file on disk.
+        //   - [Disabled] File system error is unlikely to recover with retry.
+        // .cannotOpenFile,
+
+        // [Data] A task could not parse a response.
+        //   - [Disabled] Invalid response is unlikely to recover with retry.
+        // .cannotParseResponse,
+
+        // [File System] A download task was unable to remove a downloaded file from disk.
+        //   - [Disabled] File system error is unlikely to recover with retry.
+        // .cannotRemoveFile,
+
+        // [File System] A download task was unable to write to the downloaded file on disk.
+        //   - [Disabled] File system error is unlikely to recover with retry.
+        // .cannotWriteToFile,
+
+        // [Security] A client certificate was rejected.
+        //   - [Disabled] Client certificate is unlikely to change with retry.
+        // .clientCertificateRejected,
+
+        // [Security] A client certificate was required to authenticate an SSL connection during a request.
+        //   - [Disabled] Client certificate is unlikely to be provided with retry.
+        // .clientCertificateRequired,
+
+        // [Data] The length of the resource data exceeds the maximum allowed.
+        //   - [Disabled] Resource will likely still exceed the length maximum on retry.
+        // .dataLengthExceedsMaximum,
+
+        // [System] The cellular network disallowed a connection.
+        //   - [Enabled] WiFi connection could be established during retry.
+        .dataNotAllowed,
+                                                                           
+        // [Network] The host address could not be found via DNS lookup.
+        //   - [Enabled] DNS lookup could succeed during retry.
+        .dnsLookupFailed,
+                                                                           
+        // [Data] A download task failed to decode an encoded file during the download.
+        //   - [Enabled] Server could correct the decoding issue with retry.
+        .downloadDecodingFailedMidStream,
+                                                                           
+        // [Data] A download task failed to decode an encoded file after downloading.
+        //   - [Enabled] Server could correct the decoding issue with retry.
+        .downloadDecodingFailedToComplete,
+                                                                           
+        // [File System] A file does not exist.
+        //   - [Disabled] File system error is unlikely to recover with retry.
+        // .fileDoesNotExist,
+
+        // [File System] A request for an FTP file resulted in the server responding that the file is not a plain file,
+        // but a directory.
+        //   - [Disabled] FTP directory is not likely to change to a file during a retry.
+        // .fileIsDirectory,
+
+        // [Network] A redirect loop has been detected or the threshold for number of allowable redirects has been
+        // exceeded (currently 16).
+        //   - [Disabled] The redirect loop is unlikely to be resolved within the retry window.
+        // .httpTooManyRedirects,
+
+        // [System] The attempted connection required activating a data context while roaming, but international roaming
+        // is disabled.
+        //   - [Enabled] WiFi connection could be established during retry.
+        .internationalRoamingOff,
+                                                                           
+        // [Connectivity] A client or server connection was severed in the middle of an in-progress load.
+        //   - [Enabled] A network connection could be established during retry.
+        .networkConnectionLost,
+                                                                           
+        // [File System] A resource couldn’t be read because of insufficient permissions.
+        //   - [Disabled] Permissions are unlikely to be granted during retry.
+        // .noPermissionsToReadFile,
+
+        // [Connectivity] A network resource was requested, but an internet connection has not been established and
+        // cannot be established automatically.
+        //   - [Enabled] A network connection could be established during retry.
+        .notConnectedToInternet,
+                                                                           
+        // [Resource] A redirect was specified by way of server response code, but the server did not accompany this
+        // code with a redirect URL.
+        //   - [Disabled] The redirect URL is unlikely to be supplied during a retry.
+        // .redirectToNonExistentLocation,
+
+        // [Client] A body stream is needed but the client did not provide one.
+        //   - [Disabled] The client will be unlikely to supply a body stream during retry.
+        // .requestBodyStreamExhausted,
+
+        // [Resource] A requested resource couldn’t be retrieved.
+        //   - [Disabled] The resource is unlikely to become available during the retry window.
+        // .resourceUnavailable,
+
+        // [Security] An attempt to establish a secure connection failed for reasons that can’t be expressed more
+        // specifically.
+        //   - [Enabled] The secure connection could be established during a retry given the lack of specificity
+        //     provided by the error.
+        .secureConnectionFailed,
+                                                                           
+        // [Security] A server certificate had a date which indicates it has expired, or is not yet valid.
+        //   - [Enabled] The server certificate could become valid within the retry window.
+        .serverCertificateHasBadDate,
+                                                                           
+        // [Security] A server certificate was not signed by any root server.
+        //   - [Disabled] The server certificate is unlikely to change during the retry window.
+        // .serverCertificateHasUnknownRoot,
+
+        // [Security] A server certificate is not yet valid.
+        //   - [Enabled] The server certificate could become valid within the retry window.
+        .serverCertificateNotYetValid,
+                                                                           
+        // [Security] A server certificate was signed by a root server that isn’t trusted.
+        //   - [Disabled] The server certificate is unlikely to become trusted within the retry window.
+        // .serverCertificateUntrusted,
+
+        // [Network] An asynchronous operation timed out.
+        //   - [Enabled] The request timed out for an unknown reason and should be retried.
+        .timedOut
+
+        // [System] The URL Loading System encountered an error that it can’t interpret.
+        //   - [Disabled] The error could not be interpreted and is unlikely to be recovered from during a retry.
+        // .unknown,
+
+        // [Resource] A properly formed URL couldn’t be handled by the framework.
+        //   - [Disabled] The URL is unlikely to change during a retry.
+        // .unsupportedURL,
+
+        // [Client] Authentication is required to access a resource.
+        //   - [Disabled] The user authentication is unlikely to be provided by retrying.
+        // .userAuthenticationRequired,
+
+        // [Client] An asynchronous request for authentication has been canceled by the user.
+        //   - [Disabled] The user cancelled authentication and explicitly took action to not retry.
+        // .userCancelledAuthentication,
+
+        // [Resource] A server reported that a URL has a non-zero content length, but terminated the network connection
+        // gracefully without sending any data.
+        //   - [Disabled] The server is unlikely to provide data during the retry window.
+        // .zeroByteResource,
+    ]
+
+    /// The total number of times the request is allowed to be retried.
+    public let retryLimit: UInt
+
+    /// The base of the exponential backoff policy (should always be greater than or equal to 2).
+    public let exponentialBackoffBase: UInt
+
+    /// The scale of the exponential backoff.
+    public let exponentialBackoffScale: Double
+
+    /// The HTTP methods that are allowed to be retried.
+    public let retryableHTTPMethods: Set<HTTPMethod>
+
+    /// The HTTP status codes that are automatically retried by the policy.
+    public let retryableHTTPStatusCodes: Set<Int>
+
+    /// The URL error codes that are automatically retried by the policy.
+    public let retryableURLErrorCodes: Set<URLError.Code>
+
+    /// Creates an `ExponentialBackoffRetryPolicy` from the specified parameters.
+    ///
+    /// - Parameters:
+    ///   - retryLimit:               The total number of times the request is allowed to be retried. `2` by default.
+    ///   - exponentialBackoffBase:   The base of the exponential backoff policy. `2` by default.
+    ///   - exponentialBackoffScale:  The scale of the exponential backoff. `0.5` by default.
+    ///   - retryableHTTPMethods:     The HTTP methods that are allowed to be retried.
+    ///                               `RetryPolicy.defaultRetryableHTTPMethods` by default.
+    ///   - retryableHTTPStatusCodes: The HTTP status codes that are automatically retried by the policy.
+    ///                               `RetryPolicy.defaultRetryableHTTPStatusCodes` by default.
+    ///   - retryableURLErrorCodes:   The URL error codes that are automatically retried by the policy.
+    ///                               `RetryPolicy.defaultRetryableURLErrorCodes` by default.
+    public init(retryLimit: UInt = RetryPolicy.defaultRetryLimit,
+                exponentialBackoffBase: UInt = RetryPolicy.defaultExponentialBackoffBase,
+                exponentialBackoffScale: Double = RetryPolicy.defaultExponentialBackoffScale,
+                retryableHTTPMethods: Set<HTTPMethod> = RetryPolicy.defaultRetryableHTTPMethods,
+                retryableHTTPStatusCodes: Set<Int> = RetryPolicy.defaultRetryableHTTPStatusCodes,
+                retryableURLErrorCodes: Set<URLError.Code> = RetryPolicy.defaultRetryableURLErrorCodes) {
+        precondition(exponentialBackoffBase >= 2, "The `exponentialBackoffBase` must be a minimum of 2.")
+
+        self.retryLimit = retryLimit
+        self.exponentialBackoffBase = exponentialBackoffBase
+        self.exponentialBackoffScale = exponentialBackoffScale
+        self.retryableHTTPMethods = retryableHTTPMethods
+        self.retryableHTTPStatusCodes = retryableHTTPStatusCodes
+        self.retryableURLErrorCodes = retryableURLErrorCodes
+    }
+
+    open func retry(_ request: Request,
+                    for session: Session,
+                    dueTo error: Error,
+                    completion: @escaping (RetryResult) -> Void) {
+        if
+            request.retryCount < retryLimit,
+            let httpMethod = request.request?.method,
+            retryableHTTPMethods.contains(httpMethod),
+            shouldRetry(response: request.response, error: error) {
+            let timeDelay = pow(Double(exponentialBackoffBase), Double(request.retryCount)) * exponentialBackoffScale
+            completion(.retryWithDelay(timeDelay))
+        } else {
+            completion(.doNotRetry)
+        }
+    }
+
+    private func shouldRetry(response: HTTPURLResponse?, error: Error) -> Bool {
+        if let statusCode = response?.statusCode, retryableHTTPStatusCodes.contains(statusCode) {
+            return true
+        } else if let errorCode = (error as? URLError)?.code, retryableURLErrorCodes.contains(errorCode) {
+            return true
+        }
+
+        return false
+    }
+}
+
+// MARK: -
+
+/// A retry policy that automatically retries idempotent requests for network connection lost errors. For more
+/// information about retrying network connection lost errors, please refer to Apple's
+/// [technical document](https://developer.apple.com/library/content/qa/qa1941/_index.html).
+open class ConnectionLostRetryPolicy: RetryPolicy {
+    /// Creates a `ConnectionLostRetryPolicy` instance from the specified parameters.
+    ///
+    /// - Parameters:
+    ///   - retryLimit:              The total number of times the request is allowed to be retried.
+    ///                              `RetryPolicy.defaultRetryLimit` by default.
+    ///   - exponentialBackoffBase:  The base of the exponential backoff policy.
+    ///                              `RetryPolicy.defaultExponentialBackoffBase` by default.
+    ///   - exponentialBackoffScale: The scale of the exponential backoff.
+    ///                              `RetryPolicy.defaultExponentialBackoffScale` by default.
+    ///   - retryableHTTPMethods:    The idempotent http methods to retry.
+    ///                              `RetryPolicy.defaultRetryableHTTPMethods` by default.
+    public init(retryLimit: UInt = RetryPolicy.defaultRetryLimit,
+                exponentialBackoffBase: UInt = RetryPolicy.defaultExponentialBackoffBase,
+                exponentialBackoffScale: Double = RetryPolicy.defaultExponentialBackoffScale,
+                retryableHTTPMethods: Set<HTTPMethod> = RetryPolicy.defaultRetryableHTTPMethods) {
+        super.init(retryLimit: retryLimit,
+                   exponentialBackoffBase: exponentialBackoffBase,
+                   exponentialBackoffScale: exponentialBackoffScale,
+                   retryableHTTPMethods: retryableHTTPMethods,
+                   retryableHTTPStatusCodes: [],
+                   retryableURLErrorCodes: [.networkConnectionLost])
+    }
+}

Pods/Alamofire/Source/ServerTrustEvaluation.swift

@@ -0,0 +1,606 @@
+//
+//  ServerTrustPolicy.swift
+//
+//  Copyright (c) 2014-2016 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+/// Responsible for managing the mapping of `ServerTrustEvaluating` values to given hosts.
+open class ServerTrustManager {
+    /// Determines whether all hosts for this `ServerTrustManager` must be evaluated. `true` by default.
+    public let allHostsMustBeEvaluated: Bool
+
+    /// The dictionary of policies mapped to a particular host.
+    public let evaluators: [String: ServerTrustEvaluating]
+
+    /// Initializes the `ServerTrustManager` instance with the given evaluators.
+    ///
+    /// Since different servers and web services can have different leaf certificates, intermediate and even root
+    /// certificates, it is important to have the flexibility to specify evaluation policies on a per host basis. This
+    /// allows for scenarios such as using default evaluation for host1, certificate pinning for host2, public key
+    /// pinning for host3 and disabling evaluation for host4.
+    ///
+    /// - Parameters:
+    ///   - allHostsMustBeEvaluated: The value determining whether all hosts for this instance must be evaluated. `true`
+    ///                              by default.
+    ///   - evaluators:              A dictionary of evaluators mapped to hosts.
+    public init(allHostsMustBeEvaluated: Bool = true, evaluators: [String: ServerTrustEvaluating]) {
+        self.allHostsMustBeEvaluated = allHostsMustBeEvaluated
+        self.evaluators = evaluators
+    }
+
+    /// Returns the `ServerTrustEvaluating` value for the given host, if one is set.
+    ///
+    /// By default, this method will return the policy that perfectly matches the given host. Subclasses could override
+    /// this method and implement more complex mapping implementations such as wildcards.
+    ///
+    /// - Parameter host: The host to use when searching for a matching policy.
+    ///
+    /// - Returns:        The `ServerTrustEvaluating` value for the given host if found, `nil` otherwise.
+    /// - Throws:         `AFError.serverTrustEvaluationFailed` if `allHostsMustBeEvaluated` is `true` and no matching
+    ///                   evaluators are found.
+    open func serverTrustEvaluator(forHost host: String) throws -> ServerTrustEvaluating? {
+        guard let evaluator = evaluators[host] else {
+            if allHostsMustBeEvaluated {
+                throw AFError.serverTrustEvaluationFailed(reason: .noRequiredEvaluator(host: host))
+            }
+
+            return nil
+        }
+
+        return evaluator
+    }
+}
+
+/// A protocol describing the API used to evaluate server trusts.
+public protocol ServerTrustEvaluating {
+#if os(Linux)
+// Implement this once Linux has API for evaluating server trusts.
+#else
+    /// Evaluates the given `SecTrust` value for the given `host`.
+    ///
+    /// - Parameters:
+    ///   - trust: The `SecTrust` value to evaluate.
+    ///   - host:  The host for which to evaluate the `SecTrust` value.
+    ///
+    /// - Returns: A `Bool` indicating whether the evaluator considers the `SecTrust` value valid for `host`.
+    func evaluate(_ trust: SecTrust, forHost host: String) throws
+#endif
+}
+
+// MARK: - Server Trust Evaluators
+
+/// An evaluator which uses the default server trust evaluation while allowing you to control whether to validate the
+/// host provided by the challenge. Applications are encouraged to always validate the host in production environments
+/// to guarantee the validity of the server's certificate chain.
+public final class DefaultTrustEvaluator: ServerTrustEvaluating {
+    private let validateHost: Bool
+
+    /// Creates a `DefaultTrustEvaluator`.
+    ///
+    /// - Parameter validateHost: Determines whether or not the evaluator should validate the host. `true` by default.
+    public init(validateHost: Bool = true) {
+        self.validateHost = validateHost
+    }
+
+    public func evaluate(_ trust: SecTrust, forHost host: String) throws {
+        if validateHost {
+            try trust.af.performValidation(forHost: host)
+        }
+
+        try trust.af.performDefaultValidation(forHost: host)
+    }
+}
+
+/// An evaluator which Uses the default and revoked server trust evaluations allowing you to control whether to validate
+/// the host provided by the challenge as well as specify the revocation flags for testing for revoked certificates.
+/// Apple platforms did not start testing for revoked certificates automatically until iOS 10.1, macOS 10.12 and tvOS
+/// 10.1 which is demonstrated in our TLS tests. Applications are encouraged to always validate the host in production
+/// environments to guarantee the validity of the server's certificate chain.
+public final class RevocationTrustEvaluator: ServerTrustEvaluating {
+    /// Represents the options to be use when evaluating the status of a certificate.
+    /// Only Revocation Policy Constants are valid, and can be found in [Apple's documentation](https://developer.apple.com/documentation/security/certificate_key_and_trust_services/policies/1563600-revocation_policy_constants).
+    public struct Options: OptionSet {
+        /// Perform revocation checking using the CRL (Certification Revocation List) method.
+        public static let crl = Options(rawValue: kSecRevocationCRLMethod)
+        /// Consult only locally cached replies; do not use network access.
+        public static let networkAccessDisabled = Options(rawValue: kSecRevocationNetworkAccessDisabled)
+        /// Perform revocation checking using OCSP (Online Certificate Status Protocol).
+        public static let ocsp = Options(rawValue: kSecRevocationOCSPMethod)
+        /// Prefer CRL revocation checking over OCSP; by default, OCSP is preferred.
+        public static let preferCRL = Options(rawValue: kSecRevocationPreferCRL)
+        /// Require a positive response to pass the policy. If the flag is not set, revocation checking is done on a
+        /// "best attempt" basis, where failure to reach the server is not considered fatal.
+        public static let requirePositiveResponse = Options(rawValue: kSecRevocationRequirePositiveResponse)
+        /// Perform either OCSP or CRL checking. The checking is performed according to the method(s) specified in the
+        /// certificate and the value of `preferCRL`.
+        public static let any = Options(rawValue: kSecRevocationUseAnyAvailableMethod)
+
+        /// The raw value of the option.
+        public let rawValue: CFOptionFlags
+
+        /// Creates an `Options` value with the given `CFOptionFlags`.
+        ///
+        /// - Parameter rawValue: The `CFOptionFlags` value to initialize with.
+        public init(rawValue: CFOptionFlags) {
+            self.rawValue = rawValue
+        }
+    }
+
+    private let performDefaultValidation: Bool
+    private let validateHost: Bool
+    private let options: Options
+
+    /// Creates a `RevocationTrustEvaluator`.
+    ///
+    /// - Note: Default and host validation will fail when using this evaluator with self-signed certificates. Use
+    ///         `PinnedCertificatesTrustEvaluator` if you need to use self-signed certificates.
+    ///
+    /// - Parameters:
+    ///   - performDefaultValidation:     Determines whether default validation should be performed in addition to
+    ///                                   evaluating the pinned certificates. `true` by default.
+    ///   - validateHost:                 Determines whether or not the evaluator should validate the host, in addition
+    ///                                   to performing the default evaluation, even if `performDefaultValidation` is
+    ///                                   `false`. `true` by default.
+    ///   - options:                      The `Options` to use to check the revocation status of the certificate. `.any`
+    ///                                   by default.
+    public init(performDefaultValidation: Bool = true, validateHost: Bool = true, options: Options = .any) {
+        self.performDefaultValidation = performDefaultValidation
+        self.validateHost = validateHost
+        self.options = options
+    }
+
+    public func evaluate(_ trust: SecTrust, forHost host: String) throws {
+        if performDefaultValidation {
+            try trust.af.performDefaultValidation(forHost: host)
+        }
+
+        if validateHost {
+            try trust.af.performValidation(forHost: host)
+        }
+
+        if #available(iOS 12, macOS 10.14, tvOS 12, watchOS 5, *) {
+            try trust.af.evaluate(afterApplying: SecPolicy.af.revocation(options: options))
+        } else {
+            try trust.af.validate(policy: SecPolicy.af.revocation(options: options)) { status, result in
+                AFError.serverTrustEvaluationFailed(reason: .revocationCheckFailed(output: .init(host, trust, status, result), options: options))
+            }
+        }
+    }
+}
+
+/// Uses the pinned certificates to validate the server trust. The server trust is considered valid if one of the pinned
+/// certificates match one of the server certificates. By validating both the certificate chain and host, certificate
+/// pinning provides a very secure form of server trust validation mitigating most, if not all, MITM attacks.
+/// Applications are encouraged to always validate the host and require a valid certificate chain in production
+/// environments.
+public final class PinnedCertificatesTrustEvaluator: ServerTrustEvaluating {
+    private let certificates: [SecCertificate]
+    private let acceptSelfSignedCertificates: Bool
+    private let performDefaultValidation: Bool
+    private let validateHost: Bool
+
+    /// Creates a `PinnedCertificatesTrustEvaluator`.
+    ///
+    /// - Parameters:
+    ///   - certificates:                 The certificates to use to evaluate the trust. All `cer`, `crt`, and `der`
+    ///                                   certificates in `Bundle.main` by default.
+    ///   - acceptSelfSignedCertificates: Adds the provided certificates as anchors for the trust evaluation, allowing
+    ///                                   self-signed certificates to pass. `false` by default. THIS SETTING SHOULD BE
+    ///                                   FALSE IN PRODUCTION!
+    ///   - performDefaultValidation:     Determines whether default validation should be performed in addition to
+    ///                                   evaluating the pinned certificates. `true` by default.
+    ///   - validateHost:                 Determines whether or not the evaluator should validate the host, in addition
+    ///                                   to performing the default evaluation, even if `performDefaultValidation` is
+    ///                                   `false`. `true` by default.
+    public init(certificates: [SecCertificate] = Bundle.main.af.certificates,
+                acceptSelfSignedCertificates: Bool = false,
+                performDefaultValidation: Bool = true,
+                validateHost: Bool = true) {
+        self.certificates = certificates
+        self.acceptSelfSignedCertificates = acceptSelfSignedCertificates
+        self.performDefaultValidation = performDefaultValidation
+        self.validateHost = validateHost
+    }
+
+    public func evaluate(_ trust: SecTrust, forHost host: String) throws {
+        guard !certificates.isEmpty else {
+            throw AFError.serverTrustEvaluationFailed(reason: .noCertificatesFound)
+        }
+
+        if acceptSelfSignedCertificates {
+            try trust.af.setAnchorCertificates(certificates)
+        }
+
+        if performDefaultValidation {
+            try trust.af.performDefaultValidation(forHost: host)
+        }
+
+        if validateHost {
+            try trust.af.performValidation(forHost: host)
+        }
+
+        let serverCertificatesData = Set(trust.af.certificateData)
+        let pinnedCertificatesData = Set(certificates.af.data)
+        let pinnedCertificatesInServerData = !serverCertificatesData.isDisjoint(with: pinnedCertificatesData)
+        if !pinnedCertificatesInServerData {
+            throw AFError.serverTrustEvaluationFailed(reason: .certificatePinningFailed(host: host,
+                                                                                        trust: trust,
+                                                                                        pinnedCertificates: certificates,
+                                                                                        serverCertificates: trust.af.certificates))
+        }
+    }
+}
+
+/// Uses the pinned public keys to validate the server trust. The server trust is considered valid if one of the pinned
+/// public keys match one of the server certificate public keys. By validating both the certificate chain and host,
+/// public key pinning provides a very secure form of server trust validation mitigating most, if not all, MITM attacks.
+/// Applications are encouraged to always validate the host and require a valid certificate chain in production
+/// environments.
+public final class PublicKeysTrustEvaluator: ServerTrustEvaluating {
+    private let keys: [SecKey]
+    private let performDefaultValidation: Bool
+    private let validateHost: Bool
+
+    /// Creates a `PublicKeysTrustEvaluator`.
+    ///
+    /// - Note: Default and host validation will fail when using this evaluator with self-signed certificates. Use
+    ///         `PinnedCertificatesTrustEvaluator` if you need to use self-signed certificates.
+    ///
+    /// - Parameters:
+    ///   - keys:                     The `SecKey`s to use to validate public keys. Defaults to the public keys of all
+    ///                               certificates included in the main bundle.
+    ///   - performDefaultValidation: Determines whether default validation should be performed in addition to
+    ///                               evaluating the pinned certificates. `true` by default.
+    ///   - validateHost:             Determines whether or not the evaluator should validate the host, in addition to
+    ///                               performing the default evaluation, even if `performDefaultValidation` is `false`.
+    ///                               `true` by default.
+    public init(keys: [SecKey] = Bundle.main.af.publicKeys,
+                performDefaultValidation: Bool = true,
+                validateHost: Bool = true) {
+        self.keys = keys
+        self.performDefaultValidation = performDefaultValidation
+        self.validateHost = validateHost
+    }
+
+    public func evaluate(_ trust: SecTrust, forHost host: String) throws {
+        guard !keys.isEmpty else {
+            throw AFError.serverTrustEvaluationFailed(reason: .noPublicKeysFound)
+        }
+
+        if performDefaultValidation {
+            try trust.af.performDefaultValidation(forHost: host)
+        }
+
+        if validateHost {
+            try trust.af.performValidation(forHost: host)
+        }
+
+        let pinnedKeysInServerKeys: Bool = {
+            for serverPublicKey in trust.af.publicKeys {
+                for pinnedPublicKey in keys {
+                    if serverPublicKey == pinnedPublicKey {
+                        return true
+                    }
+                }
+            }
+            return false
+        }()
+
+        if !pinnedKeysInServerKeys {
+            throw AFError.serverTrustEvaluationFailed(reason: .publicKeyPinningFailed(host: host,
+                                                                                      trust: trust,
+                                                                                      pinnedKeys: keys,
+                                                                                      serverKeys: trust.af.publicKeys))
+        }
+    }
+}
+
+/// Uses the provided evaluators to validate the server trust. The trust is only considered valid if all of the
+/// evaluators consider it valid.
+public final class CompositeTrustEvaluator: ServerTrustEvaluating {
+    private let evaluators: [ServerTrustEvaluating]
+
+    /// Creates a `CompositeTrustEvaluator`.
+    ///
+    /// - Parameter evaluators: The `ServerTrustEvaluating` values used to evaluate the server trust.
+    public init(evaluators: [ServerTrustEvaluating]) {
+        self.evaluators = evaluators
+    }
+
+    public func evaluate(_ trust: SecTrust, forHost host: String) throws {
+        try evaluators.evaluate(trust, forHost: host)
+    }
+}
+
+/// Disables all evaluation which in turn will always consider any server trust as valid.
+///
+/// **THIS EVALUATOR SHOULD NEVER BE USED IN PRODUCTION!**
+public final class DisabledEvaluator: ServerTrustEvaluating {
+    /// Creates an instance.
+    public init() {}
+
+    public func evaluate(_ trust: SecTrust, forHost host: String) throws {}
+}
+
+// MARK: - Extensions
+
+public extension Array where Element == ServerTrustEvaluating {
+#if os(Linux)
+// Add this same convenience method for Linux.
+#else
+    /// Evaluates the given `SecTrust` value for the given `host`.
+    ///
+    /// - Parameters:
+    ///   - trust: The `SecTrust` value to evaluate.
+    ///   - host:  The host for which to evaluate the `SecTrust` value.
+    ///
+    /// - Returns: Whether or not the evaluator considers the `SecTrust` value valid for `host`.
+    func evaluate(_ trust: SecTrust, forHost host: String) throws {
+        for evaluator in self {
+            try evaluator.evaluate(trust, forHost: host)
+        }
+    }
+#endif
+}
+
+extension Bundle: AlamofireExtended {}
+public extension AlamofireExtension where ExtendedType: Bundle {
+    /// Returns all valid `cer`, `crt`, and `der` certificates in the bundle.
+    var certificates: [SecCertificate] {
+        return paths(forResourcesOfTypes: [".cer", ".CER", ".crt", ".CRT", ".der", ".DER"]).compactMap { path in
+            guard
+                let certificateData = try? Data(contentsOf: URL(fileURLWithPath: path)) as CFData,
+                let certificate = SecCertificateCreateWithData(nil, certificateData) else { return nil }
+
+            return certificate
+        }
+    }
+
+    /// Returns all public keys for the valid certificates in the bundle.
+    var publicKeys: [SecKey] {
+        return certificates.af.publicKeys
+    }
+
+    /// Returns all pathnames for the resources identified by the provided file extensions.
+    ///
+    /// - Parameter types: The filename extensions locate.
+    ///
+    /// - Returns:         All pathnames for the given filename extensions.
+    func paths(forResourcesOfTypes types: [String]) -> [String] {
+        return Array(Set(types.flatMap { type.paths(forResourcesOfType: $0, inDirectory: nil) }))
+    }
+}
+
+extension SecTrust: AlamofireExtended {}
+public extension AlamofireExtension where ExtendedType == SecTrust {
+    /// Evaluates `self` after applying the `SecPolicy` value provided.
+    ///
+    /// - Parameter policy: The `SecPolicy` to apply to `self` before evaluation.
+    ///
+    /// - Throws:           Any `Error` from applying the `SecPolicy` or from evaluation.
+    @available(iOS 12, macOS 10.14, tvOS 12, watchOS 5, *)
+    func evaluate(afterApplying policy: SecPolicy) throws {
+        try apply(policy: policy).af.evaluate()
+    }
+
+    /// Attempts to validate `self` using the `SecPolicy` provided and transforming any error produced using the closure passed.
+    ///
+    /// - Parameters:
+    ///   - policy:        The `SecPolicy` used to evaluate `self`.
+    ///   - errorProducer: The closure used transform the failed `OSStatus` and `SecTrustResultType`.
+    /// - Throws:          Any `Error` from applying the `policy`, or the result of `errorProducer` if validation fails.
+    @available(iOS, introduced: 10, deprecated: 12, renamed: "evaluate(afterApplying:)")
+    @available(macOS, introduced: 10.12, deprecated: 10.14, renamed: "evaluate(afterApplying:)")
+    @available(tvOS, introduced: 10, deprecated: 12, renamed: "evaluate(afterApplying:)")
+    @available(watchOS, introduced: 3, deprecated: 5, renamed: "evaluate(afterApplying:)")
+    func validate(policy: SecPolicy, errorProducer: (_ status: OSStatus, _ result: SecTrustResultType) -> Error) throws {
+        try apply(policy: policy).af.validate(errorProducer: errorProducer)
+    }
+
+    /// Applies a `SecPolicy` to `self`, throwing if it fails.
+    ///
+    /// - Parameter policy: The `SecPolicy`.
+    ///
+    /// - Returns: `self`, with the policy applied.
+    /// - Throws: An `AFError.serverTrustEvaluationFailed` instance with a `.policyApplicationFailed` reason.
+    func apply(policy: SecPolicy) throws -> SecTrust {
+        let status = SecTrustSetPolicies(type, policy)
+
+        guard status.af.isSuccess else {
+            throw AFError.serverTrustEvaluationFailed(reason: .policyApplicationFailed(trust: type,
+                                                                                       policy: policy,
+                                                                                       status: status))
+        }
+
+        return type
+    }
+
+    /// Evaluate `self`, throwing an `Error` if evaluation fails.
+    ///
+    /// - Throws: `AFError.serverTrustEvaluationFailed` with reason `.trustValidationFailed` and associated error from
+    ///           the underlying evaluation.
+    @available(iOS 12, macOS 10.14, tvOS 12, watchOS 5, *)
+    func evaluate() throws {
+        var error: CFError?
+        let evaluationSucceeded = SecTrustEvaluateWithError(type, &error)
+
+        if !evaluationSucceeded {
+            throw AFError.serverTrustEvaluationFailed(reason: .trustEvaluationFailed(error: error))
+        }
+    }
+
+    /// Validate `self`, passing any failure values through `errorProducer`.
+    ///
+    /// - Parameter errorProducer: The closure used to transform the failed `OSStatus` and `SecTrustResultType` into an
+    ///                            `Error`.
+    /// - Throws:                  The `Error` produced by the `errorProducer` closure.
+    @available(iOS, introduced: 10, deprecated: 12, renamed: "evaluate()")
+    @available(macOS, introduced: 10.12, deprecated: 10.14, renamed: "evaluate()")
+    @available(tvOS, introduced: 10, deprecated: 12, renamed: "evaluate()")
+    @available(watchOS, introduced: 3, deprecated: 5, renamed: "evaluate()")
+    func validate(errorProducer: (_ status: OSStatus, _ result: SecTrustResultType) -> Error) throws {
+        var result = SecTrustResultType.invalid
+        let status = SecTrustEvaluate(type, &result)
+
+        guard status.af.isSuccess && result.af.isSuccess else {
+            throw errorProducer(status, result)
+        }
+    }
+
+    /// Sets a custom certificate chain on `self`, allowing full validation of a self-signed certificate and its chain.
+    ///
+    /// - Parameter certificates: The `SecCertificate`s to add to the chain.
+    /// - Throws:                 Any error produced when applying the new certificate chain.
+    func setAnchorCertificates(_ certificates: [SecCertificate]) throws {
+        // Add additional anchor certificates.
+        let status = SecTrustSetAnchorCertificates(type, certificates as CFArray)
+        guard status.af.isSuccess else {
+            throw AFError.serverTrustEvaluationFailed(reason: .settingAnchorCertificatesFailed(status: status,
+                                                                                               certificates: certificates))
+        }
+
+        // Reenable system anchor certificates.
+        let systemStatus = SecTrustSetAnchorCertificatesOnly(type, true)
+        guard systemStatus.af.isSuccess else {
+            throw AFError.serverTrustEvaluationFailed(reason: .settingAnchorCertificatesFailed(status: systemStatus,
+                                                                                               certificates: certificates))
+        }
+    }
+
+    /// The public keys contained in `self`.
+    var publicKeys: [SecKey] {
+        return certificates.af.publicKeys
+    }
+
+    /// The `SecCertificate`s contained i `self`.
+    var certificates: [SecCertificate] {
+        return (0..<SecTrustGetCertificateCount(type)).compactMap { index in
+            SecTrustGetCertificateAtIndex(type, index)
+        }
+    }
+
+    /// The `Data` values for all certificates contained in `self`.
+    var certificateData: [Data] {
+        return certificates.af.data
+    }
+
+    /// Validates `self` after applying `SecPolicy.af.default`. This evaluation does not validate the hostname.
+    ///
+    /// - Parameter host: The hostname, used only in the error output if validation fails.
+    /// - Throws: An `AFError.serverTrustEvaluationFailed` instance with a `.defaultEvaluationFailed` reason.
+    func performDefaultValidation(forHost host: String) throws {
+        if #available(iOS 12, macOS 10.14, tvOS 12, watchOS 5, *) {
+            try evaluate(afterApplying: SecPolicy.af.default)
+        } else {
+            try validate(policy: SecPolicy.af.default) { status, result in
+                AFError.serverTrustEvaluationFailed(reason: .defaultEvaluationFailed(output: .init(host, type, status, result)))
+            }
+        }
+    }
+
+    /// Validates `self` after applying `SecPolicy.af.hostname(host)`, which performs the default validation as well as
+    /// hostname validation.
+    ///
+    /// - Parameter host: The hostname to use in the validation.
+    /// - Throws:         An `AFError.serverTrustEvaluationFailed` instance with a `.defaultEvaluationFailed` reason.
+    func performValidation(forHost host: String) throws {
+        if #available(iOS 12, macOS 10.14, tvOS 12, watchOS 5, *) {
+            try evaluate(afterApplying: SecPolicy.af.hostname(host))
+        } else {
+            try validate(policy: SecPolicy.af.hostname(host)) { status, result in
+                AFError.serverTrustEvaluationFailed(reason: .hostValidationFailed(output: .init(host, type, status, result)))
+            }
+        }
+    }
+}
+
+extension SecPolicy: AlamofireExtended {}
+public extension AlamofireExtension where ExtendedType == SecPolicy {
+    /// Creates a `SecPolicy` instance which will validate server certificates but not require a host name match.
+    static let `default` = SecPolicyCreateSSL(true, nil)
+
+    /// Creates a `SecPolicy` instance which will validate server certificates and much match the provided hostname.
+    ///
+    /// - Parameter hostname: The hostname to validate against.
+    ///
+    /// - Returns:            The `SecPolicy`.
+    static func hostname(_ hostname: String) -> SecPolicy {
+        return SecPolicyCreateSSL(true, hostname as CFString)
+    }
+
+    /// Creates a `SecPolicy` which checks the revocation of certificates.
+    ///
+    /// - Parameter options: The `RevocationTrustEvaluator.Options` for evaluation.
+    ///
+    /// - Returns:           The `SecPolicy`.
+    /// - Throws:            An `AFError.serverTrustEvaluationFailed` error with reason `.revocationPolicyCreationFailed`
+    ///                      if the policy cannot be created.
+    static func revocation(options: RevocationTrustEvaluator.Options) throws -> SecPolicy {
+        guard let policy = SecPolicyCreateRevocation(options.rawValue) else {
+            throw AFError.serverTrustEvaluationFailed(reason: .revocationPolicyCreationFailed)
+        }
+
+        return policy
+    }
+}
+
+extension Array: AlamofireExtended {}
+public extension AlamofireExtension where ExtendedType == [SecCertificate] {
+    /// All `Data` values for the contained `SecCertificate`s.
+    var data: [Data] {
+        return type.map { SecCertificateCopyData($0) as Data }
+    }
+
+    /// All public `SecKey` values for the contained `SecCertificate`s.
+    var publicKeys: [SecKey] {
+        return type.compactMap { $0.af.publicKey }
+    }
+}
+
+extension SecCertificate: AlamofireExtended {}
+public extension AlamofireExtension where ExtendedType == SecCertificate {
+    /// The public key for `self`, if it can be extracted.
+    var publicKey: SecKey? {
+        let policy = SecPolicyCreateBasicX509()
+        var trust: SecTrust?
+        let trustCreationStatus = SecTrustCreateWithCertificates(type, policy, &trust)
+
+        guard let createdTrust = trust, trustCreationStatus == errSecSuccess else { return nil }
+
+        return SecTrustCopyPublicKey(createdTrust)
+    }
+}
+
+extension OSStatus: AlamofireExtended {}
+public extension AlamofireExtension where ExtendedType == OSStatus {
+    /// Returns whether `self` is `errSecSuccess`.
+    var isSuccess: Bool { return type == errSecSuccess }
+}
+
+extension SecTrustResultType: AlamofireExtended {}
+public extension AlamofireExtension where ExtendedType == SecTrustResultType {
+    /// Returns whether `self is `.unspecified` or `.proceed`.
+    var isSuccess: Bool {
+        return (type == .unspecified || type == .proceed)
+    }
+}

Pods/Alamofire/Source/SessionDelegate.swift

@@ -0,0 +1,305 @@
+//
+//  SessionDelegate.swift
+//
+//  Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+/// Class which implements the various `URLSessionDelegate` methods to connect various Alamofire features.
+open class SessionDelegate: NSObject {
+    private let fileManager: FileManager
+
+    weak var stateProvider: SessionStateProvider?
+    var eventMonitor: EventMonitor?
+
+    /// Creates an instance from the given `FileManager`.
+    ///
+    /// - Parameter fileManager: `FileManager` to use for underlying file management, such as moving downloaded files.
+    ///                          `.default` by default.
+    public init(fileManager: FileManager = .default) {
+        self.fileManager = fileManager
+    }
+}
+
+/// Type which provides various `Session` state values.
+protocol SessionStateProvider: AnyObject {
+    var serverTrustManager: ServerTrustManager? { get }
+    var redirectHandler: RedirectHandler? { get }
+    var cachedResponseHandler: CachedResponseHandler? { get }
+
+    func request(for task: URLSessionTask) -> Request?
+    func didGatherMetricsForTask(_ task: URLSessionTask)
+    func didCompleteTask(_ task: URLSessionTask)
+    func credential(for task: URLSessionTask, in protectionSpace: URLProtectionSpace) -> URLCredential?
+    func cancelRequestsForSessionInvalidation(with error: Error?)
+}
+
+// MARK: URLSessionDelegate
+
+extension SessionDelegate: URLSessionDelegate {
+    open func urlSession(_ session: URLSession, didBecomeInvalidWithError error: Error?) {
+        eventMonitor?.urlSession(session, didBecomeInvalidWithError: error)
+
+        stateProvider?.cancelRequestsForSessionInvalidation(with: error)
+    }
+}
+
+// MARK: URLSessionTaskDelegate
+
+extension SessionDelegate: URLSessionTaskDelegate {
+    /// Result of a `URLAuthenticationChallenge` evaluation.
+    typealias ChallengeEvaluation = (disposition: URLSession.AuthChallengeDisposition, credential: URLCredential?, error: AFError?)
+
+    open func urlSession(_ session: URLSession,
+                         task: URLSessionTask,
+                         didReceive challenge: URLAuthenticationChallenge,
+                         completionHandler: @escaping (URLSession.AuthChallengeDisposition, URLCredential?) -> Void) {
+        eventMonitor?.urlSession(session, task: task, didReceive: challenge)
+
+        let evaluation: ChallengeEvaluation
+        switch challenge.protectionSpace.authenticationMethod {
+        case NSURLAuthenticationMethodServerTrust:
+            evaluation = attemptServerTrustAuthentication(with: challenge)
+        case NSURLAuthenticationMethodHTTPBasic, NSURLAuthenticationMethodHTTPDigest, NSURLAuthenticationMethodNTLM, NSURLAuthenticationMethodNegotiate:
+            evaluation = attemptCredentialAuthentication(for: challenge, belongingTo: task)
+        // case NSURLAuthenticationMethodClientCertificate:
+        // Alamofire doesn't currently support client certificate validation.
+        default:
+            evaluation = (.performDefaultHandling, nil, nil)
+        }
+
+        if let error = evaluation.error {
+            stateProvider?.request(for: task)?.didFailTask(task, earlyWithError: error)
+        }
+
+        completionHandler(evaluation.disposition, evaluation.credential)
+    }
+
+    /// Evaluates the server trust `URLAuthenticationChallenge` received.
+    ///
+    /// - Parameter challenge: The `URLAuthenticationChallenge`.
+    ///
+    /// - Returns:             The `ChallengeEvaluation`.
+    func attemptServerTrustAuthentication(with challenge: URLAuthenticationChallenge) -> ChallengeEvaluation {
+        let host = challenge.protectionSpace.host
+
+        guard challenge.protectionSpace.authenticationMethod == NSURLAuthenticationMethodServerTrust,
+            let trust = challenge.protectionSpace.serverTrust
+        else {
+            return (.performDefaultHandling, nil, nil)
+        }
+
+        do {
+            guard let evaluator = try stateProvider?.serverTrustManager?.serverTrustEvaluator(forHost: host) else {
+                return (.performDefaultHandling, nil, nil)
+            }
+
+            try evaluator.evaluate(trust, forHost: host)
+
+            return (.useCredential, URLCredential(trust: trust), nil)
+        } catch {
+            return (.cancelAuthenticationChallenge, nil, error.asAFError(or: .serverTrustEvaluationFailed(reason: .customEvaluationFailed(error: error))))
+        }
+    }
+
+    /// Evaluates the credential-based authentication `URLAuthenticationChallenge` received for `task`.
+    ///
+    /// - Parameters:
+    ///   - challenge: The `URLAuthenticationChallenge`.
+    ///   - task:      The `URLSessionTask` which received the challenge.
+    ///
+    /// - Returns:     The `ChallengeEvaluation`.
+    func attemptCredentialAuthentication(for challenge: URLAuthenticationChallenge,
+                                         belongingTo task: URLSessionTask) -> ChallengeEvaluation {
+        guard challenge.previousFailureCount == 0 else {
+            return (.rejectProtectionSpace, nil, nil)
+        }
+
+        guard let credential = stateProvider?.credential(for: task, in: challenge.protectionSpace) else {
+            return (.performDefaultHandling, nil, nil)
+        }
+
+        return (.useCredential, credential, nil)
+    }
+
+    open func urlSession(_ session: URLSession,
+                         task: URLSessionTask,
+                         didSendBodyData bytesSent: Int64,
+                         totalBytesSent: Int64,
+                         totalBytesExpectedToSend: Int64) {
+        eventMonitor?.urlSession(session,
+                                 task: task,
+                                 didSendBodyData: bytesSent,
+                                 totalBytesSent: totalBytesSent,
+                                 totalBytesExpectedToSend: totalBytesExpectedToSend)
+
+        stateProvider?.request(for: task)?.updateUploadProgress(totalBytesSent: totalBytesSent,
+                                                                totalBytesExpectedToSend: totalBytesExpectedToSend)
+    }
+
+    open func urlSession(_ session: URLSession,
+                         task: URLSessionTask,
+                         needNewBodyStream completionHandler: @escaping (InputStream?) -> Void) {
+        eventMonitor?.urlSession(session, taskNeedsNewBodyStream: task)
+
+        guard let request = stateProvider?.request(for: task) as? UploadRequest else {
+            fatalError("needNewBodyStream for request that isn't UploadRequest.")
+        }
+
+        completionHandler(request.inputStream())
+    }
+
+    open func urlSession(_ session: URLSession,
+                         task: URLSessionTask,
+                         willPerformHTTPRedirection response: HTTPURLResponse,
+                         newRequest request: URLRequest,
+                         completionHandler: @escaping (URLRequest?) -> Void) {
+        eventMonitor?.urlSession(session, task: task, willPerformHTTPRedirection: response, newRequest: request)
+
+        if let redirectHandler = stateProvider?.request(for: task)?.redirectHandler ?? stateProvider?.redirectHandler {
+            redirectHandler.task(task, willBeRedirectedTo: request, for: response, completion: completionHandler)
+        } else {
+            completionHandler(request)
+        }
+    }
+
+    open func urlSession(_ session: URLSession, task: URLSessionTask, didFinishCollecting metrics: URLSessionTaskMetrics) {
+        eventMonitor?.urlSession(session, task: task, didFinishCollecting: metrics)
+
+        stateProvider?.request(for: task)?.didGatherMetrics(metrics)
+
+        stateProvider?.didGatherMetricsForTask(task)
+    }
+
+    open func urlSession(_ session: URLSession, task: URLSessionTask, didCompleteWithError error: Error?) {
+        eventMonitor?.urlSession(session, task: task, didCompleteWithError: error)
+
+        stateProvider?.request(for: task)?.didCompleteTask(task, with: error.map { $0.asAFError(or: .sessionTaskFailed(error: $0)) })
+
+        stateProvider?.didCompleteTask(task)
+    }
+
+    @available(macOS 10.13, iOS 11.0, tvOS 11.0, watchOS 4.0, *)
+    open func urlSession(_ session: URLSession, taskIsWaitingForConnectivity task: URLSessionTask) {
+        eventMonitor?.urlSession(session, taskIsWaitingForConnectivity: task)
+    }
+}
+
+// MARK: URLSessionDataDelegate
+
+extension SessionDelegate: URLSessionDataDelegate {
+    open func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive data: Data) {
+        eventMonitor?.urlSession(session, dataTask: dataTask, didReceive: data)
+
+        guard let request = stateProvider?.request(for: dataTask) as? DataRequest else {
+            fatalError("dataTask received data for incorrect Request subclass: \(String(describing: stateProvider?.request(for: dataTask)))")
+        }
+
+        request.didReceive(data: data)
+    }
+
+    open func urlSession(_ session: URLSession,
+                         dataTask: URLSessionDataTask,
+                         willCacheResponse proposedResponse: CachedURLResponse,
+                         completionHandler: @escaping (CachedURLResponse?) -> Void) {
+        eventMonitor?.urlSession(session, dataTask: dataTask, willCacheResponse: proposedResponse)
+
+        if let handler = stateProvider?.request(for: dataTask)?.cachedResponseHandler ?? stateProvider?.cachedResponseHandler {
+            handler.dataTask(dataTask, willCacheResponse: proposedResponse, completion: completionHandler)
+        } else {
+            completionHandler(proposedResponse)
+        }
+    }
+}
+
+// MARK: URLSessionDownloadDelegate
+
+extension SessionDelegate: URLSessionDownloadDelegate {
+    open func urlSession(_ session: URLSession,
+                         downloadTask: URLSessionDownloadTask,
+                         didResumeAtOffset fileOffset: Int64,
+                         expectedTotalBytes: Int64) {
+        eventMonitor?.urlSession(session,
+                                 downloadTask: downloadTask,
+                                 didResumeAtOffset: fileOffset,
+                                 expectedTotalBytes: expectedTotalBytes)
+
+        guard let downloadRequest = stateProvider?.request(for: downloadTask) as? DownloadRequest else {
+            fatalError("No DownloadRequest found for downloadTask: \(downloadTask)")
+        }
+
+        downloadRequest.updateDownloadProgress(bytesWritten: fileOffset,
+                                               totalBytesExpectedToWrite: expectedTotalBytes)
+    }
+
+    open func urlSession(_ session: URLSession,
+                         downloadTask: URLSessionDownloadTask,
+                         didWriteData bytesWritten: Int64,
+                         totalBytesWritten: Int64,
+                         totalBytesExpectedToWrite: Int64) {
+        eventMonitor?.urlSession(session,
+                                 downloadTask: downloadTask,
+                                 didWriteData: bytesWritten,
+                                 totalBytesWritten: totalBytesWritten,
+                                 totalBytesExpectedToWrite: totalBytesExpectedToWrite)
+
+        guard let downloadRequest = stateProvider?.request(for: downloadTask) as? DownloadRequest else {
+            fatalError("No DownloadRequest found for downloadTask: \(downloadTask)")
+        }
+
+        downloadRequest.updateDownloadProgress(bytesWritten: bytesWritten,
+                                               totalBytesExpectedToWrite: totalBytesExpectedToWrite)
+    }
+
+    open func urlSession(_ session: URLSession, downloadTask: URLSessionDownloadTask, didFinishDownloadingTo location: URL) {
+        eventMonitor?.urlSession(session, downloadTask: downloadTask, didFinishDownloadingTo: location)
+
+        guard let request = stateProvider?.request(for: downloadTask) as? DownloadRequest else {
+            fatalError("Download finished but either no request found or request wasn't DownloadRequest")
+        }
+
+        guard let response = request.response else {
+            fatalError("URLSessionDownloadTask finished downloading with no response.")
+        }
+
+        let (destination, options) = (request.destination)(location, response)
+
+        eventMonitor?.request(request, didCreateDestinationURL: destination)
+
+        do {
+            if options.contains(.removePreviousFile), fileManager.fileExists(atPath: destination.path) {
+                try fileManager.removeItem(at: destination)
+            }
+
+            if options.contains(.createIntermediateDirectories) {
+                let directory = destination.deletingLastPathComponent()
+                try fileManager.createDirectory(at: directory, withIntermediateDirectories: true)
+            }
+
+            try fileManager.moveItem(at: location, to: destination)
+
+            request.didFinishDownloading(using: downloadTask, with: .success(destination))
+        } catch {
+            request.didFinishDownloading(using: downloadTask, with: .failure(.downloadedFileMoveFailed(error: error, source: location, destination: destination)))
+        }
+    }
+}

Pods/Alamofire/Source/URLConvertible+URLRequestConvertible.swift

@@ -0,0 +1,105 @@
+//
+//  URLConvertible+URLRequestConvertible.swift
+//
+//  Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+/// Types adopting the `URLConvertible` protocol can be used to construct `URL`s, which can then be used to construct
+/// `URLRequests`.
+public protocol URLConvertible {
+    /// Returns a `URL` from the conforming instance or throws.
+    ///
+    /// - Returns: The `URL` created from the instance.
+    /// - Throws:  Any error thrown while creating the `URL`.
+    func asURL() throws -> URL
+}
+
+extension String: URLConvertible {
+    /// Returns a `URL` if `self` can be used to initialize a `URL` instance, otherwise throws.
+    ///
+    /// - Returns: The `URL` initialized with `self`.
+    /// - Throws:  An `AFError.invalidURL` instance.
+    public func asURL() throws -> URL {
+        guard let url = URL(string: self) else { throw AFError.invalidURL(url: self) }
+
+        return url
+    }
+}
+
+extension URL: URLConvertible {
+    /// Returns `self`.
+    public func asURL() throws -> URL { return self }
+}
+
+extension URLComponents: URLConvertible {
+    /// Returns a `URL` if the `self`'s `url` is not nil, otherwise throws.
+    ///
+    /// - Returns: The `URL` from the `url` property.
+    /// - Throws:  An `AFError.invalidURL` instance.
+    public func asURL() throws -> URL {
+        guard let url = url else { throw AFError.invalidURL(url: self) }
+
+        return url
+    }
+}
+
+// MARK: -
+
+/// Types adopting the `URLRequestConvertible` protocol can be used to safely construct `URLRequest`s.
+public protocol URLRequestConvertible {
+    /// Returns a `URLRequest` or throws if an `Error` was encountered.
+    ///
+    /// - Returns: A `URLRequest`.
+    /// - Throws:  Any error thrown while constructing the `URLRequest`.
+    func asURLRequest() throws -> URLRequest
+}
+
+extension URLRequestConvertible {
+    /// The `URLRequest` returned by discarding any `Error` encountered.
+    public var urlRequest: URLRequest? { return try? asURLRequest() }
+}
+
+extension URLRequest: URLRequestConvertible {
+    /// Returns `self`.
+    public func asURLRequest() throws -> URLRequest { return self }
+}
+
+// MARK: -
+
+extension URLRequest {
+    /// Creates an instance with the specified `url`, `method`, and `headers`.
+    ///
+    /// - Parameters:
+    ///   - url:     The `URLConvertible` value.
+    ///   - method:  The `HTTPMethod`.
+    ///   - headers: The `HTTPHeaders`, `nil` by default.
+    /// - Throws:    Any error thrown while converting the `URLConvertible` to a `URL`.
+    public init(url: URLConvertible, method: HTTPMethod, headers: HTTPHeaders? = nil) throws {
+        let url = try url.asURL()
+
+        self.init(url: url)
+
+        httpMethod = method.rawValue
+        allHTTPHeaderFields = headers?.dictionary
+    }
+}

Pods/Alamofire/Source/URLEncodedFormEncoder.swift

@@ -0,0 +1,973 @@
+//
+//  URLEncodedFormEncoder.swift
+//
+//  Copyright (c) 2019 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+/// An object that encodes instances into URL-encoded query strings.
+///
+/// There is no published specification for how to encode collection types. By default, the convention of appending
+/// `[]` to the key for array values (`foo[]=1&foo[]=2`), and appending the key surrounded by square brackets for
+/// nested dictionary values (`foo[bar]=baz`) is used. Optionally, `ArrayEncoding` can be used to omit the
+/// square brackets appended to array keys.
+///
+/// `BoolEncoding` can be used to configure how `Bool` values are encoded. The default behavior is to encode
+/// `true` as 1 and `false` as 0.
+///
+/// `DateEncoding` can be used to configure how `Date` values are encoded. By default, the `.deferredToDate`
+/// strategy is used, which formats dates from their structure.
+///
+/// `SpaceEncoding` can be used to configure how spaces are encoded. Modern encodings use percent replacement (`%20`),
+/// while older encodings may expect spaces to be replaced with `+`.
+///
+/// This type is largely based on Vapor's [`url-encoded-form`](https://github.com/vapor/url-encoded-form) project.
+public final class URLEncodedFormEncoder {
+    /// Encoding to use for `Array` values.
+    public enum ArrayEncoding {
+        /// An empty set of square brackets ("[]") are appended to the key for every value. This is the default encoding.
+        case brackets
+        /// No brackets are appended to the key and the key is encoded as is.
+        case noBrackets
+
+        /// Encodes the key according to the encoding.
+        ///
+        /// - Parameter key: The `key` to encode.
+        /// - Returns:       The encoded key.
+        func encode(_ key: String) -> String {
+            switch self {
+            case .brackets: return "\(key)[]"
+            case .noBrackets: return key
+            }
+        }
+    }
+
+    /// Encoding to use for `Bool` values.
+    public enum BoolEncoding {
+        /// Encodes `true` as `1`, `false` as `0`.
+        case numeric
+        /// Encodes `true` as "true", `false` as "false". This is the default encoding.
+        case literal
+
+        /// Encodes the given `Bool` as a `String`.
+        ///
+        /// - Parameter value: The `Bool` to encode.
+        ///
+        /// - Returns:         The encoded `String`.
+        func encode(_ value: Bool) -> String {
+            switch self {
+            case .numeric: return value ? "1" : "0"
+            case .literal: return value ? "true" : "false"
+            }
+        }
+    }
+
+    /// Encoding to use for `Data` values.
+    public enum DataEncoding {
+        /// Defers encoding to the `Data` type.
+        case deferredToData
+        /// Encodes `Data` as a Base64-encoded string. This is the default encoding.
+        case base64
+        /// Encode the `Data` as a custom value encoded by the given closure.
+        case custom((Data) throws -> String)
+
+        /// Encodes `Data` according to the encoding.
+        ///
+        /// - Parameter data: The `Data` to encode.
+        ///
+        /// - Returns:        The encoded `String`, or `nil` if the `Data` should be encoded according to its
+        ///                   `Encodable` implementation.
+        func encode(_ data: Data) throws -> String? {
+            switch self {
+            case .deferredToData: return nil
+            case .base64: return data.base64EncodedString()
+            case let .custom(encoding): return try encoding(data)
+            }
+        }
+    }
+
+    /// Encoding to use for `Date` values.
+    public enum DateEncoding {
+        /// ISO8601 and RFC3339 formatter.
+        private static let iso8601Formatter: ISO8601DateFormatter = {
+            let formatter = ISO8601DateFormatter()
+            formatter.formatOptions = .withInternetDateTime
+            return formatter
+        }()
+
+        /// Defers encoding to the `Date` type. This is the default encoding.
+        case deferredToDate
+        /// Encodes `Date`s as seconds since midnight UTC on January 1, 1970.
+        case secondsSince1970
+        /// Encodes `Date`s as milliseconds since midnight UTC on January 1, 1970.
+        case millisecondsSince1970
+        /// Encodes `Date`s according to the ISO8601 and RFC3339 standards.
+        case iso8601
+        /// Encodes `Date`s using the given `DateFormatter`.
+        case formatted(DateFormatter)
+        /// Encodes `Date`s using the given closure.
+        case custom((Date) throws -> String)
+
+        /// Encodes the date according to the encoding.
+        ///
+        /// - Parameter date: The `Date` to encode.
+        ///
+        /// - Returns:        The encoded `String`, or `nil` if the `Date` should be encoded according to its
+        ///                   `Encodable` implementation.
+        func encode(_ date: Date) throws -> String? {
+            switch self {
+            case .deferredToDate:
+                return nil
+            case .secondsSince1970:
+                return String(date.timeIntervalSince1970)
+            case .millisecondsSince1970:
+                return String(date.timeIntervalSince1970 * 1000.0)
+            case .iso8601:
+                return DateEncoding.iso8601Formatter.string(from: date)
+            case let .formatted(formatter):
+                return formatter.string(from: date)
+            case let .custom(closure):
+                return try closure(date)
+            }
+        }
+    }
+
+    /// Encoding to use for keys.
+    ///
+    /// This type is derived from [`JSONEncoder`'s `KeyEncodingStrategy`](https://github.com/apple/swift/blob/6aa313b8dd5f05135f7f878eccc1db6f9fbe34ff/stdlib/public/Darwin/Foundation/JSONEncoder.swift#L128)
+    /// and [`XMLEncoder`s `KeyEncodingStrategy`](https://github.com/MaxDesiatov/XMLCoder/blob/master/Sources/XMLCoder/Encoder/XMLEncoder.swift#L102).
+    public enum KeyEncoding {
+        /// Use the keys specified by each type. This is the default encoding.
+        case useDefaultKeys
+        /// Convert from "camelCaseKeys" to "snake_case_keys" before writing a key.
+        ///
+        /// Capital characters are determined by testing membership in
+        /// `CharacterSet.uppercaseLetters` and `CharacterSet.lowercaseLetters`
+        /// (Unicode General Categories Lu and Lt).
+        /// The conversion to lower case uses `Locale.system`, also known as
+        /// the ICU "root" locale. This means the result is consistent
+        /// regardless of the current user's locale and language preferences.
+        ///
+        /// Converting from camel case to snake case:
+        /// 1. Splits words at the boundary of lower-case to upper-case
+        /// 2. Inserts `_` between words
+        /// 3. Lowercases the entire string
+        /// 4. Preserves starting and ending `_`.
+        ///
+        /// For example, `oneTwoThree` becomes `one_two_three`. `_oneTwoThree_` becomes `_one_two_three_`.
+        ///
+        /// - Note: Using a key encoding strategy has a nominal performance cost, as each string key has to be converted.
+        case convertToSnakeCase
+        /// Same as convertToSnakeCase, but using `-` instead of `_`.
+        /// For example `oneTwoThree` becomes `one-two-three`.
+        case convertToKebabCase
+        /// Capitalize the first letter only.
+        /// For example `oneTwoThree` becomes  `OneTwoThree`.
+        case capitalized
+        /// Uppercase all letters.
+        /// For example `oneTwoThree` becomes  `ONETWOTHREE`.
+        case uppercased
+        /// Lowercase all letters.
+        /// For example `oneTwoThree` becomes  `onetwothree`.
+        case lowercased
+        /// A custom encoding using the provided closure.
+        case custom((String) -> String)
+
+        func encode(_ key: String) -> String {
+            switch self {
+            case .useDefaultKeys: return key
+            case .convertToSnakeCase: return convertToSnakeCase(key)
+            case .convertToKebabCase: return convertToKebabCase(key)
+            case .capitalized: return String(key.prefix(1).uppercased() + key.dropFirst())
+            case .uppercased: return key.uppercased()
+            case .lowercased: return key.lowercased()
+            case let .custom(encoding): return encoding(key)
+            }
+        }
+
+        private func convertToSnakeCase(_ key: String) -> String {
+            return convert(key, usingSeparator: "_")
+        }
+
+        private func convertToKebabCase(_ key: String) -> String {
+            return convert(key, usingSeparator: "-")
+        }
+
+        private func convert(_ key: String, usingSeparator separator: String) -> String {
+            guard !key.isEmpty else { return key }
+
+            var words: [Range<String.Index>] = []
+            // The general idea of this algorithm is to split words on
+            // transition from lower to upper case, then on transition of >1
+            // upper case characters to lowercase
+            //
+            // myProperty -> my_property
+            // myURLProperty -> my_url_property
+            //
+            // It is assumed, per Swift naming conventions, that the first character of the key is lowercase.
+            var wordStart = key.startIndex
+            var searchRange = key.index(after: wordStart)..<key.endIndex
+
+            // Find next uppercase character
+            while let upperCaseRange = key.rangeOfCharacter(from: CharacterSet.uppercaseLetters, options: [], range: searchRange) {
+                let untilUpperCase = wordStart..<upperCaseRange.lowerBound
+                words.append(untilUpperCase)
+
+                // Find next lowercase character
+                searchRange = upperCaseRange.lowerBound..<searchRange.upperBound
+                guard let lowerCaseRange = key.rangeOfCharacter(from: CharacterSet.lowercaseLetters, options: [], range: searchRange) else {
+                    // There are no more lower case letters. Just end here.
+                    wordStart = searchRange.lowerBound
+                    break
+                }
+
+                // Is the next lowercase letter more than 1 after the uppercase?
+                // If so, we encountered a group of uppercase letters that we
+                // should treat as its own word
+                let nextCharacterAfterCapital = key.index(after: upperCaseRange.lowerBound)
+                if lowerCaseRange.lowerBound == nextCharacterAfterCapital {
+                    // The next character after capital is a lower case character and therefore not a word boundary.
+                    // Continue searching for the next upper case for the boundary.
+                    wordStart = upperCaseRange.lowerBound
+                } else {
+                    // There was a range of >1 capital letters. Turn those into a word, stopping at the capital before the lower case character.
+                    let beforeLowerIndex = key.index(before: lowerCaseRange.lowerBound)
+                    words.append(upperCaseRange.lowerBound..<beforeLowerIndex)
+
+                    // Next word starts at the capital before the lowercase we just found
+                    wordStart = beforeLowerIndex
+                }
+                searchRange = lowerCaseRange.upperBound..<searchRange.upperBound
+            }
+            words.append(wordStart..<searchRange.upperBound)
+            let result = words.map { range in
+                key[range].lowercased()
+            }.joined(separator: separator)
+
+            return result
+        }
+    }
+
+    /// Encoding to use for spaces.
+    public enum SpaceEncoding {
+        /// Encodes spaces according to normal percent escaping rules (%20).
+        case percentEscaped
+        /// Encodes spaces as `+`,
+        case plusReplaced
+
+        /// Encodes the string according to the encoding.
+        ///
+        /// - Parameter string: The `String` to encode.
+        ///
+        /// - Returns:          The encoded `String`.
+        func encode(_ string: String) -> String {
+            switch self {
+            case .percentEscaped: return string.replacingOccurrences(of: " ", with: "%20")
+            case .plusReplaced: return string.replacingOccurrences(of: " ", with: "+")
+            }
+        }
+    }
+
+    /// `URLEncodedFormEncoder` error.
+    public enum Error: Swift.Error {
+        /// An invalid root object was created by the encoder. Only keyed values are valid.
+        case invalidRootObject(String)
+
+        var localizedDescription: String {
+            switch self {
+            case let .invalidRootObject(object):
+                return "URLEncodedFormEncoder requires keyed root object. Received \(object) instead."
+            }
+        }
+    }
+
+    /// Whether or not to sort the encoded key value pairs.
+    ///
+    /// - Note: This setting ensures a consistent ordering for all encodings of the same parameters. When set to `false`,
+    ///         encoded `Dictionary` values may have a different encoded order each time they're encoded due to
+    ///       ` Dictionary`'s random storage order, but `Encodable` types will maintain their encoded order.
+    public let alphabetizeKeyValuePairs: Bool
+    /// The `ArrayEncoding` to use.
+    public let arrayEncoding: ArrayEncoding
+    /// The `BoolEncoding` to use.
+    public let boolEncoding: BoolEncoding
+    /// THe `DataEncoding` to use.
+    public let dataEncoding: DataEncoding
+    /// The `DateEncoding` to use.
+    public let dateEncoding: DateEncoding
+    /// The `KeyEncoding` to use.
+    public let keyEncoding: KeyEncoding
+    /// The `SpaceEncoding` to use.
+    public let spaceEncoding: SpaceEncoding
+    /// The `CharacterSet` of allowed (non-escaped) characters.
+    public var allowedCharacters: CharacterSet
+
+    /// Creates an instance from the supplied parameters.
+    ///
+    /// - Parameters:
+    ///   - alphabetizeKeyValuePairs: Whether or not to sort the encoded key value pairs. `true` by default.
+    ///   - arrayEncoding:            The `ArrayEncoding` to use. `.brackets` by default.
+    ///   - boolEncoding:             The `BoolEncoding` to use. `.numeric` by default.
+    ///   - dataEncoding:             The `DataEncoding` to use. `.base64` by default.
+    ///   - dateEncoding:             The `DateEncoding` to use. `.deferredToDate` by default.
+    ///   - keyEncoding:              The `KeyEncoding` to use. `.useDefaultKeys` by default.
+    ///   - spaceEncoding:            The `SpaceEncoding` to use. `.percentEscaped` by default.
+    ///   - allowedCharacters:        The `CharacterSet` of allowed (non-escaped) characters. `.afURLQueryAllowed` by
+    ///                               default.
+    public init(alphabetizeKeyValuePairs: Bool = true,
+                arrayEncoding: ArrayEncoding = .brackets,
+                boolEncoding: BoolEncoding = .numeric,
+                dataEncoding: DataEncoding = .base64,
+                dateEncoding: DateEncoding = .deferredToDate,
+                keyEncoding: KeyEncoding = .useDefaultKeys,
+                spaceEncoding: SpaceEncoding = .percentEscaped,
+                allowedCharacters: CharacterSet = .afURLQueryAllowed) {
+        self.alphabetizeKeyValuePairs = alphabetizeKeyValuePairs
+        self.arrayEncoding = arrayEncoding
+        self.boolEncoding = boolEncoding
+        self.dataEncoding = dataEncoding
+        self.dateEncoding = dateEncoding
+        self.keyEncoding = keyEncoding
+        self.spaceEncoding = spaceEncoding
+        self.allowedCharacters = allowedCharacters
+    }
+
+    func encode(_ value: Encodable) throws -> URLEncodedFormComponent {
+        let context = URLEncodedFormContext(.object([]))
+        let encoder = _URLEncodedFormEncoder(context: context,
+                                             boolEncoding: boolEncoding,
+                                             dataEncoding: dataEncoding,
+                                             dateEncoding: dateEncoding)
+        try value.encode(to: encoder)
+
+        return context.component
+    }
+
+    /// Encodes the `value` as a URL form encoded `String`.
+    ///
+    /// - Parameter value: The `Encodable` value.`
+    ///
+    /// - Returns:         The encoded `String`.
+    /// - Throws:          An `Error` or `EncodingError` instance if encoding fails.
+    public func encode(_ value: Encodable) throws -> String {
+        let component: URLEncodedFormComponent = try encode(value)
+
+        guard case let .object(object) = component else {
+            throw Error.invalidRootObject("\(component)")
+        }
+
+        let serializer = URLEncodedFormSerializer(alphabetizeKeyValuePairs: alphabetizeKeyValuePairs,
+                                                  arrayEncoding: arrayEncoding,
+                                                  keyEncoding: keyEncoding,
+                                                  spaceEncoding: spaceEncoding,
+                                                  allowedCharacters: allowedCharacters)
+        let query = serializer.serialize(object)
+
+        return query
+    }
+
+    /// Encodes the value as `Data`. This is performed by first creating an encoded `String` and then returning the
+    /// `.utf8` data.
+    ///
+    /// - Parameter value: The `Encodable` value.
+    ///
+    /// - Returns:         The encoded `Data`.
+    ///
+    /// - Throws:          An `Error` or `EncodingError` instance if encoding fails.
+    public func encode(_ value: Encodable) throws -> Data {
+        let string: String = try encode(value)
+
+        return Data(string.utf8)
+    }
+}
+
+final class _URLEncodedFormEncoder {
+    var codingPath: [CodingKey]
+    // Returns an empty dictionary, as this encoder doesn't support userInfo.
+    var userInfo: [CodingUserInfoKey: Any] { return [:] }
+
+    let context: URLEncodedFormContext
+
+    private let boolEncoding: URLEncodedFormEncoder.BoolEncoding
+    private let dataEncoding: URLEncodedFormEncoder.DataEncoding
+    private let dateEncoding: URLEncodedFormEncoder.DateEncoding
+
+    public init(context: URLEncodedFormContext,
+                codingPath: [CodingKey] = [],
+                boolEncoding: URLEncodedFormEncoder.BoolEncoding,
+                dataEncoding: URLEncodedFormEncoder.DataEncoding,
+                dateEncoding: URLEncodedFormEncoder.DateEncoding) {
+        self.context = context
+        self.codingPath = codingPath
+        self.boolEncoding = boolEncoding
+        self.dataEncoding = dataEncoding
+        self.dateEncoding = dateEncoding
+    }
+}
+
+extension _URLEncodedFormEncoder: Encoder {
+    func container<Key>(keyedBy type: Key.Type) -> KeyedEncodingContainer<Key> where Key: CodingKey {
+        let container = _URLEncodedFormEncoder.KeyedContainer<Key>(context: context,
+                                                                   codingPath: codingPath,
+                                                                   boolEncoding: boolEncoding,
+                                                                   dataEncoding: dataEncoding,
+                                                                   dateEncoding: dateEncoding)
+        return KeyedEncodingContainer(container)
+    }
+
+    func unkeyedContainer() -> UnkeyedEncodingContainer {
+        return _URLEncodedFormEncoder.UnkeyedContainer(context: context,
+                                                       codingPath: codingPath,
+                                                       boolEncoding: boolEncoding,
+                                                       dataEncoding: dataEncoding,
+                                                       dateEncoding: dateEncoding)
+    }
+
+    func singleValueContainer() -> SingleValueEncodingContainer {
+        return _URLEncodedFormEncoder.SingleValueContainer(context: context,
+                                                           codingPath: codingPath,
+                                                           boolEncoding: boolEncoding,
+                                                           dataEncoding: dataEncoding,
+                                                           dateEncoding: dateEncoding)
+    }
+}
+
+final class URLEncodedFormContext {
+    var component: URLEncodedFormComponent
+
+    init(_ component: URLEncodedFormComponent) {
+        self.component = component
+    }
+}
+
+enum URLEncodedFormComponent {
+    typealias Object = [(key: String, value: URLEncodedFormComponent)]
+
+    case string(String)
+    case array([URLEncodedFormComponent])
+    case object(Object)
+
+    /// Converts self to an `[URLEncodedFormData]` or returns `nil` if not convertible.
+    var array: [URLEncodedFormComponent]? {
+        switch self {
+        case let .array(array): return array
+        default: return nil
+        }
+    }
+
+    /// Converts self to an `Object` or returns `nil` if not convertible.
+    var object: Object? {
+        switch self {
+        case let .object(object): return object
+        default: return nil
+        }
+    }
+
+    /// Sets self to the supplied value at a given path.
+    ///
+    ///     data.set(to: "hello", at: ["path", "to", "value"])
+    ///
+    /// - parameters:
+    ///     - value: Value of `Self` to set at the supplied path.
+    ///     - path: `CodingKey` path to update with the supplied value.
+    public mutating func set(to value: URLEncodedFormComponent, at path: [CodingKey]) {
+        set(&self, to: value, at: path)
+    }
+
+    /// Recursive backing method to `set(to:at:)`.
+    private func set(_ context: inout URLEncodedFormComponent, to value: URLEncodedFormComponent, at path: [CodingKey]) {
+        guard path.count >= 1 else {
+            context = value
+            return
+        }
+
+        let end = path[0]
+        var child: URLEncodedFormComponent
+        switch path.count {
+        case 1:
+            child = value
+        case 2...:
+            if let index = end.intValue {
+                let array = context.array ?? []
+                if array.count > index {
+                    child = array[index]
+                } else {
+                    child = .array([])
+                }
+                set(&child, to: value, at: Array(path[1...]))
+            } else {
+                child = context.object?.first { $0.key == end.stringValue }?.value ?? .object(.init())
+                set(&child, to: value, at: Array(path[1...]))
+            }
+        default: fatalError("Unreachable")
+        }
+
+        if let index = end.intValue {
+            if var array = context.array {
+                if array.count > index {
+                    array[index] = child
+                } else {
+                    array.append(child)
+                }
+                context = .array(array)
+            } else {
+                context = .array([child])
+            }
+        } else {
+            if var object = context.object {
+                if let index = object.firstIndex(where: { $0.key == end.stringValue }) {
+                    object[index] = (key: end.stringValue, value: child)
+                } else {
+                    object.append((key: end.stringValue, value: child))
+                }
+                context = .object(object)
+            } else {
+                context = .object([(key: end.stringValue, value: child)])
+            }
+        }
+    }
+}
+
+struct AnyCodingKey: CodingKey, Hashable {
+    let stringValue: String
+    let intValue: Int?
+
+    init?(stringValue: String) {
+        self.stringValue = stringValue
+        intValue = nil
+    }
+
+    init?(intValue: Int) {
+        stringValue = "\(intValue)"
+        self.intValue = intValue
+    }
+
+    init<Key>(_ base: Key) where Key: CodingKey {
+        if let intValue = base.intValue {
+            self.init(intValue: intValue)!
+        } else {
+            self.init(stringValue: base.stringValue)!
+        }
+    }
+}
+
+extension _URLEncodedFormEncoder {
+    final class KeyedContainer<Key> where Key: CodingKey {
+        var codingPath: [CodingKey]
+
+        private let context: URLEncodedFormContext
+        private let boolEncoding: URLEncodedFormEncoder.BoolEncoding
+        private let dataEncoding: URLEncodedFormEncoder.DataEncoding
+        private let dateEncoding: URLEncodedFormEncoder.DateEncoding
+
+        init(context: URLEncodedFormContext,
+             codingPath: [CodingKey],
+             boolEncoding: URLEncodedFormEncoder.BoolEncoding,
+             dataEncoding: URLEncodedFormEncoder.DataEncoding,
+             dateEncoding: URLEncodedFormEncoder.DateEncoding) {
+            self.context = context
+            self.codingPath = codingPath
+            self.boolEncoding = boolEncoding
+            self.dataEncoding = dataEncoding
+            self.dateEncoding = dateEncoding
+        }
+
+        private func nestedCodingPath(for key: CodingKey) -> [CodingKey] {
+            return codingPath + [key]
+        }
+    }
+}
+
+extension _URLEncodedFormEncoder.KeyedContainer: KeyedEncodingContainerProtocol {
+    func encodeNil(forKey key: Key) throws {
+        let context = EncodingError.Context(codingPath: codingPath,
+                                            debugDescription: "URLEncodedFormEncoder cannot encode nil values.")
+        throw EncodingError.invalidValue("\(key): nil", context)
+    }
+
+    func encode<T>(_ value: T, forKey key: Key) throws where T: Encodable {
+        var container = nestedSingleValueEncoder(for: key)
+        try container.encode(value)
+    }
+
+    func nestedSingleValueEncoder(for key: Key) -> SingleValueEncodingContainer {
+        let container = _URLEncodedFormEncoder.SingleValueContainer(context: context,
+                                                                    codingPath: nestedCodingPath(for: key),
+                                                                    boolEncoding: boolEncoding,
+                                                                    dataEncoding: dataEncoding,
+                                                                    dateEncoding: dateEncoding)
+
+        return container
+    }
+
+    func nestedUnkeyedContainer(forKey key: Key) -> UnkeyedEncodingContainer {
+        let container = _URLEncodedFormEncoder.UnkeyedContainer(context: context,
+                                                                codingPath: nestedCodingPath(for: key),
+                                                                boolEncoding: boolEncoding,
+                                                                dataEncoding: dataEncoding,
+                                                                dateEncoding: dateEncoding)
+
+        return container
+    }
+
+    func nestedContainer<NestedKey>(keyedBy keyType: NestedKey.Type, forKey key: Key) -> KeyedEncodingContainer<NestedKey> where NestedKey: CodingKey {
+        let container = _URLEncodedFormEncoder.KeyedContainer<NestedKey>(context: context,
+                                                                         codingPath: nestedCodingPath(for: key),
+                                                                         boolEncoding: boolEncoding,
+                                                                         dataEncoding: dataEncoding,
+                                                                         dateEncoding: dateEncoding)
+
+        return KeyedEncodingContainer(container)
+    }
+
+    func superEncoder() -> Encoder {
+        return _URLEncodedFormEncoder(context: context,
+                                      codingPath: codingPath,
+                                      boolEncoding: boolEncoding,
+                                      dataEncoding: dataEncoding,
+                                      dateEncoding: dateEncoding)
+    }
+
+    func superEncoder(forKey key: Key) -> Encoder {
+        return _URLEncodedFormEncoder(context: context,
+                                      codingPath: nestedCodingPath(for: key),
+                                      boolEncoding: boolEncoding,
+                                      dataEncoding: dataEncoding,
+                                      dateEncoding: dateEncoding)
+    }
+}
+
+extension _URLEncodedFormEncoder {
+    final class SingleValueContainer {
+        var codingPath: [CodingKey]
+
+        private var canEncodeNewValue = true
+
+        private let context: URLEncodedFormContext
+        private let boolEncoding: URLEncodedFormEncoder.BoolEncoding
+        private let dataEncoding: URLEncodedFormEncoder.DataEncoding
+        private let dateEncoding: URLEncodedFormEncoder.DateEncoding
+
+        init(context: URLEncodedFormContext,
+             codingPath: [CodingKey],
+             boolEncoding: URLEncodedFormEncoder.BoolEncoding,
+             dataEncoding: URLEncodedFormEncoder.DataEncoding,
+             dateEncoding: URLEncodedFormEncoder.DateEncoding) {
+            self.context = context
+            self.codingPath = codingPath
+            self.boolEncoding = boolEncoding
+            self.dataEncoding = dataEncoding
+            self.dateEncoding = dateEncoding
+        }
+
+        private func checkCanEncode(value: Any?) throws {
+            guard canEncodeNewValue else {
+                let context = EncodingError.Context(codingPath: codingPath,
+                                                    debugDescription: "Attempt to encode value through single value container when previously value already encoded.")
+                throw EncodingError.invalidValue(value as Any, context)
+            }
+        }
+    }
+}
+
+extension _URLEncodedFormEncoder.SingleValueContainer: SingleValueEncodingContainer {
+    func encodeNil() throws {
+        try checkCanEncode(value: nil)
+        defer { canEncodeNewValue = false }
+
+        let context = EncodingError.Context(codingPath: codingPath,
+                                            debugDescription: "URLEncodedFormEncoder cannot encode nil values.")
+        throw EncodingError.invalidValue("nil", context)
+    }
+
+    func encode(_ value: Bool) throws {
+        try encode(value, as: String(boolEncoding.encode(value)))
+    }
+
+    func encode(_ value: String) throws {
+        try encode(value, as: value)
+    }
+
+    func encode(_ value: Double) throws {
+        try encode(value, as: String(value))
+    }
+
+    func encode(_ value: Float) throws {
+        try encode(value, as: String(value))
+    }
+
+    func encode(_ value: Int) throws {
+        try encode(value, as: String(value))
+    }
+
+    func encode(_ value: Int8) throws {
+        try encode(value, as: String(value))
+    }
+
+    func encode(_ value: Int16) throws {
+        try encode(value, as: String(value))
+    }
+
+    func encode(_ value: Int32) throws {
+        try encode(value, as: String(value))
+    }
+
+    func encode(_ value: Int64) throws {
+        try encode(value, as: String(value))
+    }
+
+    func encode(_ value: UInt) throws {
+        try encode(value, as: String(value))
+    }
+
+    func encode(_ value: UInt8) throws {
+        try encode(value, as: String(value))
+    }
+
+    func encode(_ value: UInt16) throws {
+        try encode(value, as: String(value))
+    }
+
+    func encode(_ value: UInt32) throws {
+        try encode(value, as: String(value))
+    }
+
+    func encode(_ value: UInt64) throws {
+        try encode(value, as: String(value))
+    }
+
+    private func encode<T>(_ value: T, as string: String) throws where T: Encodable {
+        try checkCanEncode(value: value)
+        defer { canEncodeNewValue = false }
+
+        context.component.set(to: .string(string), at: codingPath)
+    }
+
+    func encode<T>(_ value: T) throws where T: Encodable {
+        switch value {
+        case let date as Date:
+            guard let string = try dateEncoding.encode(date) else {
+                try attemptToEncode(value)
+                return
+            }
+
+            try encode(value, as: string)
+        case let data as Data:
+            guard let string = try dataEncoding.encode(data) else {
+                try attemptToEncode(value)
+                return
+            }
+
+            try encode(value, as: string)
+        default:
+            try attemptToEncode(value)
+        }
+    }
+
+    private func attemptToEncode<T>(_ value: T) throws where T: Encodable {
+        try checkCanEncode(value: value)
+        defer { canEncodeNewValue = false }
+
+        let encoder = _URLEncodedFormEncoder(context: context,
+                                             codingPath: codingPath,
+                                             boolEncoding: boolEncoding,
+                                             dataEncoding: dataEncoding,
+                                             dateEncoding: dateEncoding)
+        try value.encode(to: encoder)
+    }
+}
+
+extension _URLEncodedFormEncoder {
+    final class UnkeyedContainer {
+        var codingPath: [CodingKey]
+
+        var count = 0
+        var nestedCodingPath: [CodingKey] {
+            return codingPath + [AnyCodingKey(intValue: count)!]
+        }
+
+        private let context: URLEncodedFormContext
+        private let boolEncoding: URLEncodedFormEncoder.BoolEncoding
+        private let dataEncoding: URLEncodedFormEncoder.DataEncoding
+        private let dateEncoding: URLEncodedFormEncoder.DateEncoding
+
+        init(context: URLEncodedFormContext,
+             codingPath: [CodingKey],
+             boolEncoding: URLEncodedFormEncoder.BoolEncoding,
+             dataEncoding: URLEncodedFormEncoder.DataEncoding,
+             dateEncoding: URLEncodedFormEncoder.DateEncoding) {
+            self.context = context
+            self.codingPath = codingPath
+            self.boolEncoding = boolEncoding
+            self.dataEncoding = dataEncoding
+            self.dateEncoding = dateEncoding
+        }
+    }
+}
+
+extension _URLEncodedFormEncoder.UnkeyedContainer: UnkeyedEncodingContainer {
+    func encodeNil() throws {
+        let context = EncodingError.Context(codingPath: codingPath,
+                                            debugDescription: "URLEncodedFormEncoder cannot encode nil values.")
+        throw EncodingError.invalidValue("nil", context)
+    }
+
+    func encode<T>(_ value: T) throws where T: Encodable {
+        var container = nestedSingleValueContainer()
+        try container.encode(value)
+    }
+
+    func nestedSingleValueContainer() -> SingleValueEncodingContainer {
+        defer { count += 1 }
+
+        return _URLEncodedFormEncoder.SingleValueContainer(context: context,
+                                                           codingPath: nestedCodingPath,
+                                                           boolEncoding: boolEncoding,
+                                                           dataEncoding: dataEncoding,
+                                                           dateEncoding: dateEncoding)
+    }
+
+    func nestedContainer<NestedKey>(keyedBy keyType: NestedKey.Type) -> KeyedEncodingContainer<NestedKey> where NestedKey: CodingKey {
+        defer { count += 1 }
+        let container = _URLEncodedFormEncoder.KeyedContainer<NestedKey>(context: context,
+                                                                         codingPath: nestedCodingPath,
+                                                                         boolEncoding: boolEncoding,
+                                                                         dataEncoding: dataEncoding,
+                                                                         dateEncoding: dateEncoding)
+
+        return KeyedEncodingContainer(container)
+    }
+
+    func nestedUnkeyedContainer() -> UnkeyedEncodingContainer {
+        defer { count += 1 }
+
+        return _URLEncodedFormEncoder.UnkeyedContainer(context: context,
+                                                       codingPath: nestedCodingPath,
+                                                       boolEncoding: boolEncoding,
+                                                       dataEncoding: dataEncoding,
+                                                       dateEncoding: dateEncoding)
+    }
+
+    func superEncoder() -> Encoder {
+        defer { count += 1 }
+
+        return _URLEncodedFormEncoder(context: context,
+                                      codingPath: codingPath,
+                                      boolEncoding: boolEncoding,
+                                      dataEncoding: dataEncoding,
+                                      dateEncoding: dateEncoding)
+    }
+}
+
+final class URLEncodedFormSerializer {
+    private let alphabetizeKeyValuePairs: Bool
+    private let arrayEncoding: URLEncodedFormEncoder.ArrayEncoding
+    private let keyEncoding: URLEncodedFormEncoder.KeyEncoding
+    private let spaceEncoding: URLEncodedFormEncoder.SpaceEncoding
+    private let allowedCharacters: CharacterSet
+
+    init(alphabetizeKeyValuePairs: Bool,
+         arrayEncoding: URLEncodedFormEncoder.ArrayEncoding,
+         keyEncoding: URLEncodedFormEncoder.KeyEncoding,
+         spaceEncoding: URLEncodedFormEncoder.SpaceEncoding,
+         allowedCharacters: CharacterSet) {
+        self.alphabetizeKeyValuePairs = alphabetizeKeyValuePairs
+        self.arrayEncoding = arrayEncoding
+        self.keyEncoding = keyEncoding
+        self.spaceEncoding = spaceEncoding
+        self.allowedCharacters = allowedCharacters
+    }
+
+    func serialize(_ object: URLEncodedFormComponent.Object) -> String {
+        var output: [String] = []
+        for (key, component) in object {
+            let value = serialize(component, forKey: key)
+            output.append(value)
+        }
+        output = alphabetizeKeyValuePairs ? output.sorted() : output
+
+        return output.joinedWithAmpersands()
+    }
+
+    func serialize(_ component: URLEncodedFormComponent, forKey key: String) -> String {
+        switch component {
+        case let .string(string): return "\(escape(keyEncoding.encode(key)))=\(escape(string))"
+        case let .array(array): return serialize(array, forKey: key)
+        case let .object(object): return serialize(object, forKey: key)
+        }
+    }
+
+    func serialize(_ object: URLEncodedFormComponent.Object, forKey key: String) -> String {
+        var segments: [String] = object.map { subKey, value in
+            let keyPath = "[\(subKey)]"
+            return serialize(value, forKey: key + keyPath)
+        }
+        segments = alphabetizeKeyValuePairs ? segments.sorted() : segments
+
+        return segments.joinedWithAmpersands()
+    }
+
+    func serialize(_ array: [URLEncodedFormComponent], forKey key: String) -> String {
+        var segments: [String] = array.map { component in
+            let keyPath = arrayEncoding.encode(key)
+            return serialize(component, forKey: keyPath)
+        }
+        segments = alphabetizeKeyValuePairs ? segments.sorted() : segments
+
+        return segments.joinedWithAmpersands()
+    }
+
+    func escape(_ query: String) -> String {
+        var allowedCharactersWithSpace = allowedCharacters
+        allowedCharactersWithSpace.insert(charactersIn: " ")
+        let escapedQuery = query.addingPercentEncoding(withAllowedCharacters: allowedCharactersWithSpace) ?? query
+        let spaceEncodedQuery = spaceEncoding.encode(escapedQuery)
+
+        return spaceEncodedQuery
+    }
+}
+
+extension Array where Element == String {
+    func joinedWithAmpersands() -> String {
+        return joined(separator: "&")
+    }
+}
+
+public extension CharacterSet {
+    /// Creates a CharacterSet from RFC 3986 allowed characters.
+    ///
+    /// RFC 3986 states that the following characters are "reserved" characters.
+    ///
+    /// - General Delimiters: ":", "#", "[", "]", "@", "?", "/"
+    /// - Sub-Delimiters: "!", "$", "&", "'", "(", ")", "*", "+", ",", ";", "="
+    ///
+    /// In RFC 3986 - Section 3.4, it states that the "?" and "/" characters should not be escaped to allow
+    /// query strings to include a URL. Therefore, all "reserved" characters with the exception of "?" and "/"
+    /// should be percent-escaped in the query string.
+    static let afURLQueryAllowed: CharacterSet = {
+        let generalDelimitersToEncode = ":#[]@" // does not include "?" or "/" due to RFC 3986 - Section 3.4
+        let subDelimitersToEncode = "!$&'()*+,;="
+        let encodableDelimiters = CharacterSet(charactersIn: "\(generalDelimitersToEncode)\(subDelimitersToEncode)")
+
+        return CharacterSet.urlQueryAllowed.subtracting(encodableDelimiters)
+    }()
+}

Pods/Alamofire/Source/URLRequest+Alamofire.swift

@@ -0,0 +1,39 @@
+//
+//  URLRequest+Alamofire.swift
+//
+//  Copyright (c) 2019 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+public extension URLRequest {
+    /// Returns the `httpMethod` as Alamofire's `HTTPMethod` type.
+    var method: HTTPMethod? {
+        get { return httpMethod.flatMap(HTTPMethod.init) }
+        set { httpMethod = newValue?.rawValue }
+    }
+
+    func validate() throws {
+        if method == .get, let bodyData = httpBody {
+            throw AFError.urlRequestValidationFailed(reason: .bodyDataInGETRequest(bodyData))
+        }
+    }
+}

Pods/Alamofire/Source/URLSessionConfiguration+Alamofire.swift

@@ -0,0 +1,37 @@
+//
+//  URLSessionConfiguration+Alamofire.swift
+//
+//  Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+extension URLSessionConfiguration: AlamofireExtended {}
+extension AlamofireExtension where ExtendedType: URLSessionConfiguration {
+    /// Alamofire's default configuration. Same as `URLSessionConfiguration.default` but adds Alamofire default
+    /// `Accept-Language`, `Accept-Encoding`, and `User-Agent` headers.
+    public static var `default`: URLSessionConfiguration {
+        let configuration = URLSessionConfiguration.default
+        configuration.headers = .default
+
+        return configuration
+    }
+}

Pods/Alamofire/Source/Validation.swift

@@ -0,0 +1,247 @@
+//
+//  Validation.swift
+//
+//  Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Foundation
+
+extension Request {
+    // MARK: Helper Types
+
+    fileprivate typealias ErrorReason = AFError.ResponseValidationFailureReason
+
+    /// Used to represent whether a validation succeeded or failed.
+    public typealias ValidationResult = Result<Void, Error>
+
+    fileprivate struct MIMEType {
+        let type: String
+        let subtype: String
+
+        var isWildcard: Bool { return type == "*" && subtype == "*" }
+
+        init?(_ string: String) {
+            let components: [String] = {
+                let stripped = string.trimmingCharacters(in: .whitespacesAndNewlines)
+                let split = stripped[..<(stripped.range(of: ";")?.lowerBound ?? stripped.endIndex)]
+
+                return split.components(separatedBy: "/")
+            }()
+
+            if let type = components.first, let subtype = components.last {
+                self.type = type
+                self.subtype = subtype
+            } else {
+                return nil
+            }
+        }
+
+        func matches(_ mime: MIMEType) -> Bool {
+            switch (type, subtype) {
+            case (mime.type, mime.subtype), (mime.type, "*"), ("*", mime.subtype), ("*", "*"):
+                return true
+            default:
+                return false
+            }
+        }
+    }
+
+    // MARK: Properties
+
+    fileprivate var acceptableStatusCodes: Range<Int> { return 200..<300 }
+
+    fileprivate var acceptableContentTypes: [String] {
+        if let accept = request?.value(forHTTPHeaderField: "Accept") {
+            return accept.components(separatedBy: ",")
+        }
+
+        return ["*/*"]
+    }
+
+    // MARK: Status Code
+
+    fileprivate func validate<S: Sequence>(statusCode acceptableStatusCodes: S,
+                                           response: HTTPURLResponse)
+        -> ValidationResult
+        where S.Iterator.Element == Int {
+        if acceptableStatusCodes.contains(response.statusCode) {
+            return .success(Void())
+        } else {
+            let reason: ErrorReason = .unacceptableStatusCode(code: response.statusCode)
+            return .failure(AFError.responseValidationFailed(reason: reason))
+        }
+    }
+
+    // MARK: Content Type
+
+    fileprivate func validate<S: Sequence>(contentType acceptableContentTypes: S,
+                                           response: HTTPURLResponse,
+                                           data: Data?)
+        -> ValidationResult
+        where S.Iterator.Element == String {
+        guard let data = data, data.count > 0 else { return .success(Void()) }
+
+        guard
+            let responseContentType = response.mimeType,
+            let responseMIMEType = MIMEType(responseContentType)
+        else {
+            for contentType in acceptableContentTypes {
+                if let mimeType = MIMEType(contentType), mimeType.isWildcard {
+                    return .success(Void())
+                }
+            }
+
+            let error: AFError = {
+                let reason: ErrorReason = .missingContentType(acceptableContentTypes: Array(acceptableContentTypes))
+                return AFError.responseValidationFailed(reason: reason)
+            }()
+
+            return .failure(error)
+        }
+
+        for contentType in acceptableContentTypes {
+            if let acceptableMIMEType = MIMEType(contentType), acceptableMIMEType.matches(responseMIMEType) {
+                return .success(Void())
+            }
+        }
+
+        let error: AFError = {
+            let reason: ErrorReason = .unacceptableContentType(acceptableContentTypes: Array(acceptableContentTypes),
+                                                               responseContentType: responseContentType)
+
+            return AFError.responseValidationFailed(reason: reason)
+        }()
+
+        return .failure(error)
+    }
+}
+
+// MARK: -
+
+extension DataRequest {
+    /// A closure used to validate a request that takes a URL request, a URL response and data, and returns whether the
+    /// request was valid.
+    public typealias Validation = (URLRequest?, HTTPURLResponse, Data?) -> ValidationResult
+
+    /// Validates that the response has a status code in the specified sequence.
+    ///
+    /// If validation fails, subsequent calls to response handlers will have an associated error.
+    ///
+    /// - parameter range: The range of acceptable status codes.
+    ///
+    /// - returns: The request.
+    @discardableResult
+    public func validate<S: Sequence>(statusCode acceptableStatusCodes: S) -> Self where S.Iterator.Element == Int {
+        return validate { [unowned self] _, response, _ in
+            self.validate(statusCode: acceptableStatusCodes, response: response)
+        }
+    }
+
+    /// Validates that the response has a content type in the specified sequence.
+    ///
+    /// If validation fails, subsequent calls to response handlers will have an associated error.
+    ///
+    /// - parameter contentType: The acceptable content types, which may specify wildcard types and/or subtypes.
+    ///
+    /// - returns: The request.
+    @discardableResult
+    public func validate<S: Sequence>(contentType acceptableContentTypes: @escaping @autoclosure () -> S) -> Self where S.Iterator.Element == String {
+        return validate { [unowned self] _, response, data in
+            self.validate(contentType: acceptableContentTypes(), response: response, data: data)
+        }
+    }
+
+    /// Validates that the response has a status code in the default acceptable range of 200...299, and that the content
+    /// type matches any specified in the Accept HTTP header field.
+    ///
+    /// If validation fails, subsequent calls to response handlers will have an associated error.
+    ///
+    /// - returns: The request.
+    @discardableResult
+    public func validate() -> Self {
+        let contentTypes: () -> [String] = { [unowned self] in
+            self.acceptableContentTypes
+        }
+        return validate(statusCode: acceptableStatusCodes).validate(contentType: contentTypes())
+    }
+}
+
+// MARK: -
+
+extension DownloadRequest {
+    /// A closure used to validate a request that takes a URL request, a URL response, a temporary URL and a
+    /// destination URL, and returns whether the request was valid.
+    public typealias Validation = (_ request: URLRequest?,
+                                   _ response: HTTPURLResponse,
+                                   _ fileURL: URL?)
+        -> ValidationResult
+
+    /// Validates that the response has a status code in the specified sequence.
+    ///
+    /// If validation fails, subsequent calls to response handlers will have an associated error.
+    ///
+    /// - parameter range: The range of acceptable status codes.
+    ///
+    /// - returns: The request.
+    @discardableResult
+    public func validate<S: Sequence>(statusCode acceptableStatusCodes: S) -> Self where S.Iterator.Element == Int {
+        return validate { [unowned self] _, response, _ in
+            self.validate(statusCode: acceptableStatusCodes, response: response)
+        }
+    }
+
+    /// Validates that the response has a content type in the specified sequence.
+    ///
+    /// If validation fails, subsequent calls to response handlers will have an associated error.
+    ///
+    /// - parameter contentType: The acceptable content types, which may specify wildcard types and/or subtypes.
+    ///
+    /// - returns: The request.
+    @discardableResult
+    public func validate<S: Sequence>(contentType acceptableContentTypes: @escaping @autoclosure () -> S) -> Self where S.Iterator.Element == String {
+        return validate { [unowned self] _, response, fileURL in
+            guard let validFileURL = fileURL else {
+                return .failure(AFError.responseValidationFailed(reason: .dataFileNil))
+            }
+
+            do {
+                let data = try Data(contentsOf: validFileURL)
+                return self.validate(contentType: acceptableContentTypes(), response: response, data: data)
+            } catch {
+                return .failure(AFError.responseValidationFailed(reason: .dataFileReadFailed(at: validFileURL)))
+            }
+        }
+    }
+
+    /// Validates that the response has a status code in the default acceptable range of 200...299, and that the content
+    /// type matches any specified in the Accept HTTP header field.
+    ///
+    /// If validation fails, subsequent calls to response handlers will have an associated error.
+    ///
+    /// - returns: The request.
+    @discardableResult
+    public func validate() -> Self {
+        let contentTypes = { [unowned self] in
+            self.acceptableContentTypes
+        }
+        return validate(statusCode: acceptableStatusCodes).validate(contentType: contentTypes())
+    }
+}

Pods/Manifest.lock

@@ -0,0 +1,16 @@
+PODS:
+  - Alamofire (5.0.0-rc.3)
+
+DEPENDENCIES:
+  - Alamofire (~> 5.0.0-rc.3)
+
+SPEC REPOS:
+  trunk:
+    - Alamofire
+
+SPEC CHECKSUMS:
+  Alamofire: ca8c0de6906873be89d6deec5c8de279e00bf872
+
+PODFILE CHECKSUM: b48a804833d51d78b77457abd4dc6c8ce3d106a2
+
+COCOAPODS: 1.8.4

Pods/Pods.xcodeproj/project.pbxproj

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Pods/Pods.xcodeproj/xcuserdata/kendrickmorales.xcuserdatad/xcschemes/Alamofire.xcscheme

@@ -0,0 +1,60 @@
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+<Scheme
+   LastUpgradeVersion = "1100"
+   version = "1.3">
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+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
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+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "EAAA1AD3A8A1B59AB91319EE40752C6D"
+               BuildableName = "Alamofire.framework"
+               BlueprintName = "Alamofire"
+               ReferencedContainer = "container:Pods.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      buildConfiguration = "Debug">
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </TestAction>
+   <LaunchAction
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      buildConfiguration = "Debug"
+      allowLocationSimulation = "YES">
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES"
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

Pods/Pods.xcodeproj/xcuserdata/kendrickmorales.xcuserdatad/xcschemes/Pods-Trolley App.xcscheme

@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1100"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
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+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
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+               BlueprintIdentifier = "171A0B9EEB8AE346EB29A7957BE4577E"
+               BuildableName = "Pods_Trolley_App.framework"
+               BlueprintName = "Pods-Trolley App"
+               ReferencedContainer = "container:Pods.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

Pods/Pods.xcodeproj/xcuserdata/kendrickmorales.xcuserdatad/xcschemes/xcschememanagement.plist

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>SchemeUserState</key>
+	<dict>
+		<key>Alamofire.xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>0</integer>
+		</dict>
+		<key>Pods-Trolley App.xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>1</integer>
+		</dict>
+	</dict>
+	<key>SuppressBuildableAutocreation</key>
+	<dict/>
+</dict>
+</plist>

Pods/Target Support Files/Alamofire/Alamofire-Info.plist

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+  <key>CFBundleDevelopmentRegion</key>
+  <string>en</string>
+  <key>CFBundleExecutable</key>
+  <string>${EXECUTABLE_NAME}</string>
+  <key>CFBundleIdentifier</key>
+  <string>${PRODUCT_BUNDLE_IDENTIFIER}</string>
+  <key>CFBundleInfoDictionaryVersion</key>
+  <string>6.0</string>
+  <key>CFBundleName</key>
+  <string>${PRODUCT_NAME}</string>
+  <key>CFBundlePackageType</key>
+  <string>FMWK</string>
+  <key>CFBundleShortVersionString</key>
+  <string>5.0.0</string>
+  <key>CFBundleSignature</key>
+  <string>????</string>
+  <key>CFBundleVersion</key>
+  <string>${CURRENT_PROJECT_VERSION}</string>
+  <key>NSPrincipalClass</key>
+  <string></string>
+</dict>
+</plist>

Pods/Target Support Files/Alamofire/Alamofire-dummy.m

@@ -0,0 +1,5 @@
+#import <Foundation/Foundation.h>
+@interface PodsDummy_Alamofire : NSObject
+@end
+@implementation PodsDummy_Alamofire
+@end

Pods/Target Support Files/Alamofire/Alamofire-prefix.pch

@@ -0,0 +1,12 @@
+#ifdef __OBJC__
+#import <UIKit/UIKit.h>
+#else
+#ifndef FOUNDATION_EXPORT
+#if defined(__cplusplus)
+#define FOUNDATION_EXPORT extern "C"
+#else
+#define FOUNDATION_EXPORT extern
+#endif
+#endif
+#endif
+

Pods/Target Support Files/Alamofire/Alamofire-umbrella.h

@@ -0,0 +1,16 @@
+#ifdef __OBJC__
+#import <UIKit/UIKit.h>
+#else
+#ifndef FOUNDATION_EXPORT
+#if defined(__cplusplus)
+#define FOUNDATION_EXPORT extern "C"
+#else
+#define FOUNDATION_EXPORT extern
+#endif
+#endif
+#endif
+
+
+FOUNDATION_EXPORT double AlamofireVersionNumber;
+FOUNDATION_EXPORT const unsigned char AlamofireVersionString[];
+

Pods/Target Support Files/Alamofire/Alamofire.modulemap

@@ -0,0 +1,6 @@
+framework module Alamofire {
+  umbrella header "Alamofire-umbrella.h"
+
+  export *
+  module * { export * }
+}

Pods/Target Support Files/Alamofire/Alamofire.xcconfig

@@ -0,0 +1,11 @@
+CONFIGURATION_BUILD_DIR = ${PODS_CONFIGURATION_BUILD_DIR}/Alamofire
+GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1
+OTHER_LDFLAGS = $(inherited) -framework "CFNetwork"
+OTHER_SWIFT_FLAGS = $(inherited) -D COCOAPODS
+PODS_BUILD_DIR = ${BUILD_DIR}
+PODS_CONFIGURATION_BUILD_DIR = ${PODS_BUILD_DIR}/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)
+PODS_ROOT = ${SRCROOT}
+PODS_TARGET_SRCROOT = ${PODS_ROOT}/Alamofire
+PRODUCT_BUNDLE_IDENTIFIER = org.cocoapods.${PRODUCT_NAME:rfc1034identifier}
+SKIP_INSTALL = YES
+USE_RECURSIVE_SCRIPT_INPUTS_IN_SCRIPT_PHASES = YES

Pods/Target Support Files/Pods-Trolley App/Pods-Trolley App-Info.plist

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+  <key>CFBundleDevelopmentRegion</key>
+  <string>en</string>
+  <key>CFBundleExecutable</key>
+  <string>${EXECUTABLE_NAME}</string>
+  <key>CFBundleIdentifier</key>
+  <string>${PRODUCT_BUNDLE_IDENTIFIER}</string>
+  <key>CFBundleInfoDictionaryVersion</key>
+  <string>6.0</string>
+  <key>CFBundleName</key>
+  <string>${PRODUCT_NAME}</string>
+  <key>CFBundlePackageType</key>
+  <string>FMWK</string>
+  <key>CFBundleShortVersionString</key>
+  <string>1.0.0</string>
+  <key>CFBundleSignature</key>
+  <string>????</string>
+  <key>CFBundleVersion</key>
+  <string>${CURRENT_PROJECT_VERSION}</string>
+  <key>NSPrincipalClass</key>
+  <string></string>
+</dict>
+</plist>

Pods/Target Support Files/Pods-Trolley App/Pods-Trolley App-acknowledgements.markdown

@@ -0,0 +1,26 @@
+# Acknowledgements
+This application makes use of the following third party libraries:
+
+## Alamofire
+
+Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+Generated by CocoaPods - https://cocoapods.org

Pods/Target Support Files/Pods-Trolley App/Pods-Trolley App-acknowledgements.plist

@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>PreferenceSpecifiers</key>
+	<array>
+		<dict>
+			<key>FooterText</key>
+			<string>This application makes use of the following third party libraries:</string>
+			<key>Title</key>
+			<string>Acknowledgements</string>
+			<key>Type</key>
+			<string>PSGroupSpecifier</string>
+		</dict>
+		<dict>
+			<key>FooterText</key>
+			<string>Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+</string>
+			<key>License</key>
+			<string>MIT</string>
+			<key>Title</key>
+			<string>Alamofire</string>
+			<key>Type</key>
+			<string>PSGroupSpecifier</string>
+		</dict>
+		<dict>
+			<key>FooterText</key>
+			<string>Generated by CocoaPods - https://cocoapods.org</string>
+			<key>Title</key>
+			<string></string>
+			<key>Type</key>
+			<string>PSGroupSpecifier</string>
+		</dict>
+	</array>
+	<key>StringsTable</key>
+	<string>Acknowledgements</string>
+	<key>Title</key>
+	<string>Acknowledgements</string>
+</dict>
+</plist>

Pods/Target Support Files/Pods-Trolley App/Pods-Trolley App-dummy.m

@@ -0,0 +1,5 @@
+#import <Foundation/Foundation.h>
+@interface PodsDummy_Pods_Trolley_App : NSObject
+@end
+@implementation PodsDummy_Pods_Trolley_App
+@end

Pods/Target Support Files/Pods-Trolley App/Pods-Trolley App-frameworks-Debug-input-files.xcfilelist

@@ -0,0 +1,2 @@
+${PODS_ROOT}/Target Support Files/Pods-Trolley App/Pods-Trolley App-frameworks.sh
+${BUILT_PRODUCTS_DIR}/Alamofire/Alamofire.framework

Pods/Target Support Files/Pods-Trolley App/Pods-Trolley App-frameworks-Debug-output-files.xcfilelist

@@ -0,0 +1 @@
+${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/Alamofire.framework

Pods/Target Support Files/Pods-Trolley App/Pods-Trolley App-frameworks-Release-input-files.xcfilelist

@@ -0,0 +1,2 @@
+${PODS_ROOT}/Target Support Files/Pods-Trolley App/Pods-Trolley App-frameworks.sh
+${BUILT_PRODUCTS_DIR}/Alamofire/Alamofire.framework

Pods/Target Support Files/Pods-Trolley App/Pods-Trolley App-frameworks-Release-output-files.xcfilelist

@@ -0,0 +1 @@
+${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/Alamofire.framework

Pods/Target Support Files/Pods-Trolley App/Pods-Trolley App-frameworks.sh

@@ -0,0 +1,171 @@
+#!/bin/sh
+set -e
+set -u
+set -o pipefail
+
+function on_error {
+  echo "$(realpath -mq "${0}"):$1: error: Unexpected failure"
+}
+trap 'on_error $LINENO' ERR
+
+if [ -z ${FRAMEWORKS_FOLDER_PATH+x} ]; then
+  # If FRAMEWORKS_FOLDER_PATH is not set, then there's nowhere for us to copy
+  # frameworks to, so exit 0 (signalling the script phase was successful).
+  exit 0
+fi
+
+echo "mkdir -p ${CONFIGURATION_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}"
+mkdir -p "${CONFIGURATION_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}"
+
+COCOAPODS_PARALLEL_CODE_SIGN="${COCOAPODS_PARALLEL_CODE_SIGN:-false}"
+SWIFT_STDLIB_PATH="${DT_TOOLCHAIN_DIR}/usr/lib/swift/${PLATFORM_NAME}"
+
+# Used as a return value for each invocation of `strip_invalid_archs` function.
+STRIP_BINARY_RETVAL=0
+
+# This protects against multiple targets copying the same framework dependency at the same time. The solution
+# was originally proposed here: https://lists.samba.org/archive/rsync/2008-February/020158.html
+RSYNC_PROTECT_TMP_FILES=(--filter "P .*.??????")
+
+# Copies and strips a vendored framework
+install_framework()
+{
+  if [ -r "${BUILT_PRODUCTS_DIR}/$1" ]; then
+    local source="${BUILT_PRODUCTS_DIR}/$1"
+  elif [ -r "${BUILT_PRODUCTS_DIR}/$(basename "$1")" ]; then
+    local source="${BUILT_PRODUCTS_DIR}/$(basename "$1")"
+  elif [ -r "$1" ]; then
+    local source="$1"
+  fi
+
+  local destination="${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}"
+
+  if [ -L "${source}" ]; then
+    echo "Symlinked..."
+    source="$(readlink "${source}")"
+  fi
+
+  # Use filter instead of exclude so missing patterns don't throw errors.
+  echo "rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --filter \"- CVS/\" --filter \"- .svn/\" --filter \"- .git/\" --filter \"- .hg/\" --filter \"- Headers\" --filter \"- PrivateHeaders\" --filter \"- Modules\" \"${source}\" \"${destination}\""
+  rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --filter "- CVS/" --filter "- .svn/" --filter "- .git/" --filter "- .hg/" --filter "- Headers" --filter "- PrivateHeaders" --filter "- Modules" "${source}" "${destination}"
+
+  local basename
+  basename="$(basename -s .framework "$1")"
+  binary="${destination}/${basename}.framework/${basename}"
+
+  if ! [ -r "$binary" ]; then
+    binary="${destination}/${basename}"
+  elif [ -L "${binary}" ]; then
+    echo "Destination binary is symlinked..."
+    dirname="$(dirname "${binary}")"
+    binary="${dirname}/$(readlink "${binary}")"
+  fi
+
+  # Strip invalid architectures so "fat" simulator / device frameworks work on device
+  if [[ "$(file "$binary")" == *"dynamically linked shared library"* ]]; then
+    strip_invalid_archs "$binary"
+  fi
+
+  # Resign the code if required by the build settings to avoid unstable apps
+  code_sign_if_enabled "${destination}/$(basename "$1")"
+
+  # Embed linked Swift runtime libraries. No longer necessary as of Xcode 7.
+  if [ "${XCODE_VERSION_MAJOR}" -lt 7 ]; then
+    local swift_runtime_libs
+    swift_runtime_libs=$(xcrun otool -LX "$binary" | grep --color=never @rpath/libswift | sed -E s/@rpath\\/\(.+dylib\).*/\\1/g | uniq -u)
+    for lib in $swift_runtime_libs; do
+      echo "rsync -auv \"${SWIFT_STDLIB_PATH}/${lib}\" \"${destination}\""
+      rsync -auv "${SWIFT_STDLIB_PATH}/${lib}" "${destination}"
+      code_sign_if_enabled "${destination}/${lib}"
+    done
+  fi
+}
+
+# Copies and strips a vendored dSYM
+install_dsym() {
+  local source="$1"
+  if [ -r "$source" ]; then
+    # Copy the dSYM into a the targets temp dir.
+    echo "rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --filter \"- CVS/\" --filter \"- .svn/\" --filter \"- .git/\" --filter \"- .hg/\" --filter \"- Headers\" --filter \"- PrivateHeaders\" --filter \"- Modules\" \"${source}\" \"${DERIVED_FILES_DIR}\""
+    rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --filter "- CVS/" --filter "- .svn/" --filter "- .git/" --filter "- .hg/" --filter "- Headers" --filter "- PrivateHeaders" --filter "- Modules" "${source}" "${DERIVED_FILES_DIR}"
+
+    local basename
+    basename="$(basename -s .framework.dSYM "$source")"
+    binary="${DERIVED_FILES_DIR}/${basename}.framework.dSYM/Contents/Resources/DWARF/${basename}"
+
+    # Strip invalid architectures so "fat" simulator / device frameworks work on device
+    if [[ "$(file "$binary")" == *"Mach-O "*"dSYM companion"* ]]; then
+      strip_invalid_archs "$binary"
+    fi
+
+    if [[ $STRIP_BINARY_RETVAL == 1 ]]; then
+      # Move the stripped file into its final destination.
+      echo "rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --filter \"- CVS/\" --filter \"- .svn/\" --filter \"- .git/\" --filter \"- .hg/\" --filter \"- Headers\" --filter \"- PrivateHeaders\" --filter \"- Modules\" \"${DERIVED_FILES_DIR}/${basename}.framework.dSYM\" \"${DWARF_DSYM_FOLDER_PATH}\""
+      rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --filter "- CVS/" --filter "- .svn/" --filter "- .git/" --filter "- .hg/" --filter "- Headers" --filter "- PrivateHeaders" --filter "- Modules" "${DERIVED_FILES_DIR}/${basename}.framework.dSYM" "${DWARF_DSYM_FOLDER_PATH}"
+    else
+      # The dSYM was not stripped at all, in this case touch a fake folder so the input/output paths from Xcode do not reexecute this script because the file is missing.
+      touch "${DWARF_DSYM_FOLDER_PATH}/${basename}.framework.dSYM"
+    fi
+  fi
+}
+
+# Copies the bcsymbolmap files of a vendored framework
+install_bcsymbolmap() {
+    local bcsymbolmap_path="$1"
+    local destination="${BUILT_PRODUCTS_DIR}"
+    echo "rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --filter "- CVS/" --filter "- .svn/" --filter "- .git/" --filter "- .hg/" --filter "- Headers" --filter "- PrivateHeaders" --filter "- Modules" "${bcsymbolmap_path}" "${destination}""
+    rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --filter "- CVS/" --filter "- .svn/" --filter "- .git/" --filter "- .hg/" --filter "- Headers" --filter "- PrivateHeaders" --filter "- Modules" "${bcsymbolmap_path}" "${destination}"
+}
+
+# Signs a framework with the provided identity
+code_sign_if_enabled() {
+  if [ -n "${EXPANDED_CODE_SIGN_IDENTITY:-}" -a "${CODE_SIGNING_REQUIRED:-}" != "NO" -a "${CODE_SIGNING_ALLOWED}" != "NO" ]; then
+    # Use the current code_sign_identity
+    echo "Code Signing $1 with Identity ${EXPANDED_CODE_SIGN_IDENTITY_NAME}"
+    local code_sign_cmd="/usr/bin/codesign --force --sign ${EXPANDED_CODE_SIGN_IDENTITY} ${OTHER_CODE_SIGN_FLAGS:-} --preserve-metadata=identifier,entitlements '$1'"
+
+    if [ "${COCOAPODS_PARALLEL_CODE_SIGN}" == "true" ]; then
+      code_sign_cmd="$code_sign_cmd &"
+    fi
+    echo "$code_sign_cmd"
+    eval "$code_sign_cmd"
+  fi
+}
+
+# Strip invalid architectures
+strip_invalid_archs() {
+  binary="$1"
+  # Get architectures for current target binary
+  binary_archs="$(lipo -info "$binary" | rev | cut -d ':' -f1 | awk '{$1=$1;print}' | rev)"
+  # Intersect them with the architectures we are building for
+  intersected_archs="$(echo ${ARCHS[@]} ${binary_archs[@]} | tr ' ' '\n' | sort | uniq -d)"
+  # If there are no archs supported by this binary then warn the user
+  if [[ -z "$intersected_archs" ]]; then
+    echo "warning: [CP] Vendored binary '$binary' contains architectures ($binary_archs) none of which match the current build architectures ($ARCHS)."
+    STRIP_BINARY_RETVAL=0
+    return
+  fi
+  stripped=""
+  for arch in $binary_archs; do
+    if ! [[ "${ARCHS}" == *"$arch"* ]]; then
+      # Strip non-valid architectures in-place
+      lipo -remove "$arch" -output "$binary" "$binary"
+      stripped="$stripped $arch"
+    fi
+  done
+  if [[ "$stripped" ]]; then
+    echo "Stripped $binary of architectures:$stripped"
+  fi
+  STRIP_BINARY_RETVAL=1
+}
+
+
+if [[ "$CONFIGURATION" == "Debug" ]]; then
+  install_framework "${BUILT_PRODUCTS_DIR}/Alamofire/Alamofire.framework"
+fi
+if [[ "$CONFIGURATION" == "Release" ]]; then
+  install_framework "${BUILT_PRODUCTS_DIR}/Alamofire/Alamofire.framework"
+fi
+if [ "${COCOAPODS_PARALLEL_CODE_SIGN}" == "true" ]; then
+  wait
+fi

Pods/Target Support Files/Pods-Trolley App/Pods-Trolley App-umbrella.h

@@ -0,0 +1,16 @@
+#ifdef __OBJC__
+#import <UIKit/UIKit.h>
+#else
+#ifndef FOUNDATION_EXPORT
+#if defined(__cplusplus)
+#define FOUNDATION_EXPORT extern "C"
+#else
+#define FOUNDATION_EXPORT extern
+#endif
+#endif
+#endif
+
+
+FOUNDATION_EXPORT double Pods_Trolley_AppVersionNumber;
+FOUNDATION_EXPORT const unsigned char Pods_Trolley_AppVersionString[];
+

Pods/Target Support Files/Pods-Trolley App/Pods-Trolley App.debug.xcconfig

@@ -0,0 +1,12 @@
+ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES
+FRAMEWORK_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/Alamofire"
+GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1
+HEADER_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/Alamofire/Alamofire.framework/Headers"
+LD_RUNPATH_SEARCH_PATHS = $(inherited) '@executable_path/Frameworks' '@loader_path/Frameworks'
+OTHER_LDFLAGS = $(inherited) -framework "Alamofire" -framework "CFNetwork"
+OTHER_SWIFT_FLAGS = $(inherited) -D COCOAPODS
+PODS_BUILD_DIR = ${BUILD_DIR}
+PODS_CONFIGURATION_BUILD_DIR = ${PODS_BUILD_DIR}/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)
+PODS_PODFILE_DIR_PATH = ${SRCROOT}/.
+PODS_ROOT = ${SRCROOT}/Pods
+USE_RECURSIVE_SCRIPT_INPUTS_IN_SCRIPT_PHASES = YES

Pods/Target Support Files/Pods-Trolley App/Pods-Trolley App.modulemap

@@ -0,0 +1,6 @@
+framework module Pods_Trolley_App {
+  umbrella header "Pods-Trolley App-umbrella.h"
+
+  export *
+  module * { export * }
+}

Pods/Target Support Files/Pods-Trolley App/Pods-Trolley App.release.xcconfig

@@ -0,0 +1,12 @@
+ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES
+FRAMEWORK_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/Alamofire"
+GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1
+HEADER_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/Alamofire/Alamofire.framework/Headers"
+LD_RUNPATH_SEARCH_PATHS = $(inherited) '@executable_path/Frameworks' '@loader_path/Frameworks'
+OTHER_LDFLAGS = $(inherited) -framework "Alamofire" -framework "CFNetwork"
+OTHER_SWIFT_FLAGS = $(inherited) -D COCOAPODS
+PODS_BUILD_DIR = ${BUILD_DIR}
+PODS_CONFIGURATION_BUILD_DIR = ${PODS_BUILD_DIR}/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)
+PODS_PODFILE_DIR_PATH = ${SRCROOT}/.
+PODS_ROOT = ${SRCROOT}/Pods
+USE_RECURSIVE_SCRIPT_INPUTS_IN_SCRIPT_PHASES = YES

Trolley App.xcodeproj/project.pbxproj

@@ -13,8 +13,61 @@
 		5B319F07235DDC06009AD1A9 /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 5B319F05235DDC06009AD1A9 /* Main.storyboard */; };
 		5B319F09235DDC07009AD1A9 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 5B319F08235DDC07009AD1A9 /* Assets.xcassets */; };
 		5B319F0C235DDC07009AD1A9 /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 5B319F0A235DDC07009AD1A9 /* LaunchScreen.storyboard */; };
+		8F9E2832DC2BA6A7618E6A74 /* Pods_Trolley_App.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 81B1A882D3419AFAB560DA6C /* Pods_Trolley_App.framework */; };
 /* End PBXBuildFile section */
 
+/* Begin PBXContainerItemProxy section */
+		5B68B700238A192200E3B2F8 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 5B68B6F6238A192200E3B2F8 /* Alamofire.xcodeproj */;
+			proxyType = 2;
+			remoteGlobalIDString = F8111E3319A95C8B0040E7D1;
+			remoteInfo = "Alamofire iOS";
+		};
+		5B68B702238A192200E3B2F8 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 5B68B6F6238A192200E3B2F8 /* Alamofire.xcodeproj */;
+			proxyType = 2;
+			remoteGlobalIDString = F8111E3E19A95C8B0040E7D1;
+			remoteInfo = "Alamofire iOS Tests";
+		};
+		5B68B704238A192200E3B2F8 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 5B68B6F6238A192200E3B2F8 /* Alamofire.xcodeproj */;
+			proxyType = 2;
+			remoteGlobalIDString = 4DD67C0B1A5C55C900ED2280;
+			remoteInfo = "Alamofire macOS";
+		};
+		5B68B706238A192200E3B2F8 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 5B68B6F6238A192200E3B2F8 /* Alamofire.xcodeproj */;
+			proxyType = 2;
+			remoteGlobalIDString = F829C6B21A7A94F100A2CD59;
+			remoteInfo = "Alamofire macOS Tests";
+		};
+		5B68B708238A192200E3B2F8 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 5B68B6F6238A192200E3B2F8 /* Alamofire.xcodeproj */;
+			proxyType = 2;
+			remoteGlobalIDString = 4CF626EF1BA7CB3E0011A099;
+			remoteInfo = "Alamofire tvOS";
+		};
+		5B68B70A238A192200E3B2F8 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 5B68B6F6238A192200E3B2F8 /* Alamofire.xcodeproj */;
+			proxyType = 2;
+			remoteGlobalIDString = 4CF626F81BA7CB3E0011A099;
+			remoteInfo = "Alamofire tvOS Tests";
+		};
+		5B68B70C238A192200E3B2F8 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 5B68B6F6238A192200E3B2F8 /* Alamofire.xcodeproj */;
+			proxyType = 2;
+			remoteGlobalIDString = E4202FE01B667AA100C997FB;
+			remoteInfo = "Alamofire watchOS";
+		};
+/* End PBXContainerItemProxy section */
+
 /* Begin PBXFileReference section */
 		5B319EFC235DDC06009AD1A9 /* Trolley App.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = "Trolley App.app"; sourceTree = BUILT_PRODUCTS_DIR; };
 		5B319EFF235DDC06009AD1A9 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
@@ -24,6 +77,10 @@
 		5B319F08235DDC07009AD1A9 /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
 		5B319F0B235DDC07009AD1A9 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
 		5B319F0D235DDC07009AD1A9 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
+		5B34A0553F2D64D544D88F6B /* Pods-Trolley App.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Trolley App.release.xcconfig"; path = "Target Support Files/Pods-Trolley App/Pods-Trolley App.release.xcconfig"; sourceTree = "<group>"; };
+		5B68B6F6238A192200E3B2F8 /* Alamofire.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = Alamofire.xcodeproj; path = Carthage/Checkouts/Alamofire/Alamofire.xcodeproj; sourceTree = "<group>"; };
+		81B1A882D3419AFAB560DA6C /* Pods_Trolley_App.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_Trolley_App.framework; sourceTree = BUILT_PRODUCTS_DIR; };
+		FA591BC66D7B1821D3A6608E /* Pods-Trolley App.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Trolley App.debug.xcconfig"; path = "Target Support Files/Pods-Trolley App/Pods-Trolley App.debug.xcconfig"; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -31,17 +88,30 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				8F9E2832DC2BA6A7618E6A74 /* Pods_Trolley_App.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
+		5665F60D6472583889B09543 /* Pods */ = {
+			isa = PBXGroup;
+			children = (
+				FA591BC66D7B1821D3A6608E /* Pods-Trolley App.debug.xcconfig */,
+				5B34A0553F2D64D544D88F6B /* Pods-Trolley App.release.xcconfig */,
+			);
+			name = Pods;
+			path = Pods;
+			sourceTree = "<group>";
+		};
 		5B319EF3235DDC06009AD1A9 = {
 			isa = PBXGroup;
 			children = (
 				5B319EFE235DDC06009AD1A9 /* Trolley App */,
 				5B319EFD235DDC06009AD1A9 /* Products */,
+				5B68B6F5238A192200E3B2F8 /* Frameworks */,
+				5665F60D6472583889B09543 /* Pods */,
 			);
 			sourceTree = "<group>";
 		};
@@ -67,6 +137,29 @@
 			path = "Trolley App";
 			sourceTree = "<group>";
 		};
+		5B68B6F5238A192200E3B2F8 /* Frameworks */ = {
+			isa = PBXGroup;
+			children = (
+				5B68B6F6238A192200E3B2F8 /* Alamofire.xcodeproj */,
+				81B1A882D3419AFAB560DA6C /* Pods_Trolley_App.framework */,
+			);
+			name = Frameworks;
+			sourceTree = "<group>";
+		};
+		5B68B6F7238A192200E3B2F8 /* Products */ = {
+			isa = PBXGroup;
+			children = (
+				5B68B701238A192200E3B2F8 /* Alamofire.framework */,
+				5B68B703238A192200E3B2F8 /* Alamofire iOS Tests.xctest */,
+				5B68B705238A192200E3B2F8 /* Alamofire.framework */,
+				5B68B707238A192200E3B2F8 /* Alamofire macOS Tests.xctest */,
+				5B68B709238A192200E3B2F8 /* Alamofire.framework */,
+				5B68B70B238A192200E3B2F8 /* Alamofire tvOS Tests.xctest */,
+				5B68B70D238A192200E3B2F8 /* Alamofire.framework */,
+			);
+			name = Products;
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
@@ -74,9 +167,11 @@
 			isa = PBXNativeTarget;
 			buildConfigurationList = 5B319F10235DDC07009AD1A9 /* Build configuration list for PBXNativeTarget "Trolley App" */;
 			buildPhases = (
+				0F224B9A21F43DC7E5BDBB18 /* [CP] Check Pods Manifest.lock */,
 				5B319EF8235DDC06009AD1A9 /* Sources */,
 				5B319EF9235DDC06009AD1A9 /* Frameworks */,
 				5B319EFA235DDC06009AD1A9 /* Resources */,
+				79D0F25373565F1AA2E6656F /* [CP] Embed Pods Frameworks */,
 			);
 			buildRules = (
 			);
@@ -113,6 +208,12 @@
 			mainGroup = 5B319EF3235DDC06009AD1A9;
 			productRefGroup = 5B319EFD235DDC06009AD1A9 /* Products */;
 			projectDirPath = "";
+			projectReferences = (
+				{
+					ProductGroup = 5B68B6F7238A192200E3B2F8 /* Products */;
+					ProjectRef = 5B68B6F6238A192200E3B2F8 /* Alamofire.xcodeproj */;
+				},
+			);
 			projectRoot = "";
 			targets = (
 				5B319EFB235DDC06009AD1A9 /* Trolley App */,
@@ -120,6 +221,58 @@
 		};
 /* End PBXProject section */
 
+/* Begin PBXReferenceProxy section */
+		5B68B701238A192200E3B2F8 /* Alamofire.framework */ = {
+			isa = PBXReferenceProxy;
+			fileType = wrapper.framework;
+			path = Alamofire.framework;
+			remoteRef = 5B68B700238A192200E3B2F8 /* PBXContainerItemProxy */;
+			sourceTree = BUILT_PRODUCTS_DIR;
+		};
+		5B68B703238A192200E3B2F8 /* Alamofire iOS Tests.xctest */ = {
+			isa = PBXReferenceProxy;
+			fileType = wrapper.cfbundle;
+			path = "Alamofire iOS Tests.xctest";
+			remoteRef = 5B68B702238A192200E3B2F8 /* PBXContainerItemProxy */;
+			sourceTree = BUILT_PRODUCTS_DIR;
+		};
+		5B68B705238A192200E3B2F8 /* Alamofire.framework */ = {
+			isa = PBXReferenceProxy;
+			fileType = wrapper.framework;
+			path = Alamofire.framework;
+			remoteRef = 5B68B704238A192200E3B2F8 /* PBXContainerItemProxy */;
+			sourceTree = BUILT_PRODUCTS_DIR;
+		};
+		5B68B707238A192200E3B2F8 /* Alamofire macOS Tests.xctest */ = {
+			isa = PBXReferenceProxy;
+			fileType = wrapper.cfbundle;
+			path = "Alamofire macOS Tests.xctest";
+			remoteRef = 5B68B706238A192200E3B2F8 /* PBXContainerItemProxy */;
+			sourceTree = BUILT_PRODUCTS_DIR;
+		};
+		5B68B709238A192200E3B2F8 /* Alamofire.framework */ = {
+			isa = PBXReferenceProxy;
+			fileType = wrapper.framework;
+			path = Alamofire.framework;
+			remoteRef = 5B68B708238A192200E3B2F8 /* PBXContainerItemProxy */;
+			sourceTree = BUILT_PRODUCTS_DIR;
+		};
+		5B68B70B238A192200E3B2F8 /* Alamofire tvOS Tests.xctest */ = {
+			isa = PBXReferenceProxy;
+			fileType = wrapper.cfbundle;
+			path = "Alamofire tvOS Tests.xctest";
+			remoteRef = 5B68B70A238A192200E3B2F8 /* PBXContainerItemProxy */;
+			sourceTree = BUILT_PRODUCTS_DIR;
+		};
+		5B68B70D238A192200E3B2F8 /* Alamofire.framework */ = {
+			isa = PBXReferenceProxy;
+			fileType = wrapper.framework;
+			path = Alamofire.framework;
+			remoteRef = 5B68B70C238A192200E3B2F8 /* PBXContainerItemProxy */;
+			sourceTree = BUILT_PRODUCTS_DIR;
+		};
+/* End PBXReferenceProxy section */
+
 /* Begin PBXResourcesBuildPhase section */
 		5B319EFA235DDC06009AD1A9 /* Resources */ = {
 			isa = PBXResourcesBuildPhase;
@@ -133,6 +286,48 @@
 		};
 /* End PBXResourcesBuildPhase section */
 
+/* Begin PBXShellScriptBuildPhase section */
+		0F224B9A21F43DC7E5BDBB18 /* [CP] Check Pods Manifest.lock */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+			);
+			inputPaths = (
+				"${PODS_PODFILE_DIR_PATH}/Podfile.lock",
+				"${PODS_ROOT}/Manifest.lock",
+			);
+			name = "[CP] Check Pods Manifest.lock";
+			outputFileListPaths = (
+			);
+			outputPaths = (
+				"$(DERIVED_FILE_DIR)/Pods-Trolley App-checkManifestLockResult.txt",
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
+			showEnvVarsInLog = 0;
+		};
+		79D0F25373565F1AA2E6656F /* [CP] Embed Pods Frameworks */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+				"${PODS_ROOT}/Target Support Files/Pods-Trolley App/Pods-Trolley App-frameworks-${CONFIGURATION}-input-files.xcfilelist",
+			);
+			name = "[CP] Embed Pods Frameworks";
+			outputFileListPaths = (
+				"${PODS_ROOT}/Target Support Files/Pods-Trolley App/Pods-Trolley App-frameworks-${CONFIGURATION}-output-files.xcfilelist",
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-Trolley App/Pods-Trolley App-frameworks.sh\"\n";
+			showEnvVarsInLog = 0;
+		};
+/* End PBXShellScriptBuildPhase section */
+
 /* Begin PBXSourcesBuildPhase section */
 		5B319EF8235DDC06009AD1A9 /* Sources */ = {
 			isa = PBXSourcesBuildPhase;
@@ -282,9 +477,11 @@
 		};
 		5B319F11235DDC07009AD1A9 /* Debug */ = {
 			isa = XCBuildConfiguration;
+			baseConfigurationReference = FA591BC66D7B1821D3A6608E /* Pods-Trolley App.debug.xcconfig */;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CODE_SIGN_STYLE = Automatic;
+				DEVELOPMENT_ASSET_PATHS = "";
 				DEVELOPMENT_TEAM = H67NFWVH5W;
 				INFOPLIST_FILE = "Trolley App/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = (
@@ -300,9 +497,11 @@
 		};
 		5B319F12235DDC07009AD1A9 /* Release */ = {
 			isa = XCBuildConfiguration;
+			baseConfigurationReference = 5B34A0553F2D64D544D88F6B /* Pods-Trolley App.release.xcconfig */;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CODE_SIGN_STYLE = Automatic;
+				DEVELOPMENT_ASSET_PATHS = "";
 				DEVELOPMENT_TEAM = H67NFWVH5W;
 				INFOPLIST_FILE = "Trolley App/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = (

Trolley App.xcodeproj/xcuserdata/kendrickmorales.xcuserdatad/xcschemes/xcschememanagement.plist

@@ -7,7 +7,7 @@
 		<key>Trolley App.xcscheme_^#shared#^_</key>
 		<dict>
 			<key>orderHint</key>
-			<integer>0</integer>
+			<integer>2</integer>
 		</dict>
 	</dict>
 </dict>

Trolley App.xcodeproj/xcuserdata/stephaniem.ramos.xcuserdatad/xcschemes/xcschememanagement.plist

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>SchemeUserState</key>
+	<dict>
+		<key>Trolley App.xcscheme_^#shared#^_</key>
+		<dict>
+			<key>orderHint</key>
+			<integer>0</integer>
+		</dict>
+	</dict>
+</dict>
+</plist>

Trolley App.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:Trolley App.xcodeproj">
+   </FileRef>
+   <FileRef
+      location = "group:Pods/Pods.xcodeproj">
+   </FileRef>
+</Workspace>

Trolley App.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

Trolley App/Base.lproj/Main.storyboard

@@ -15,43 +15,58 @@
                         <rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
-                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="Trolley IUPI" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="5sx-mb-Vhu">
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Trolley IUPI" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="5sx-mb-Vhu">
                                 <rect key="frame" x="108" y="90" width="201" height="47"/>
-                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                 <fontDescription key="fontDescription" name="HelveticaNeue" family="Helvetica Neue" pointSize="40"/>
                                 <nil key="textColor"/>
                                 <nil key="highlightedColor"/>
                             </label>
-                            <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" image="map" translatesAutoresizingMaskIntoConstraints="NO" id="KQC-gY-9mQ">
-                                <rect key="frame" x="7" y="248" width="400" height="400"/>
-                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                            <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="map" translatesAutoresizingMaskIntoConstraints="NO" id="KQC-gY-9mQ">
+                                <rect key="frame" x="7" y="247" width="400" height="400"/>
+                                <constraints>
+                                    <constraint firstAttribute="height" constant="400" id="qfV-As-PC0"/>
+                                </constraints>
                             </imageView>
-                            <button opaque="NO" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="OCY-3M-KE5">
-                                <rect key="frame" x="71" y="706" width="111" height="47"/>
-                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
-                                <color key="backgroundColor" systemColor="systemPinkColor" red="1" green="0.1764705882" blue="0.33333333329999998" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="2cl-Ch-09v">
+                                <rect key="frame" x="246" y="705" width="113" height="48"/>
+                                <color key="backgroundColor" red="0.77344781159999998" green="0.095710434019999999" blue="0.1044210568" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                 <fontDescription key="fontDescription" name="HelveticaNeue" family="Helvetica Neue" pointSize="30"/>
-                                <state key="normal" title="Paradas">
+                                <state key="normal" title="Tracking">
                                     <color key="titleColor" white="0.0" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
                                 </state>
                                 <connections>
-                                    <action selector="paradasButton:" destination="BYZ-38-t0r" eventType="touchUpInside" id="esp-QM-yT5"/>
+                                    <action selector="trackingButton:" destination="BYZ-38-t0r" eventType="touchUpInside" id="bj2-2c-F73"/>
                                 </connections>
                             </button>
-                            <button opaque="NO" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="2cl-Ch-09v">
-                                <rect key="frame" x="246" y="706" width="113" height="47"/>
-                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
-                                <color key="backgroundColor" systemColor="systemPinkColor" red="1" green="0.1764705882" blue="0.33333333329999998" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                                <fontDescription key="fontDescription" name="HelveticaNeue" family="Helvetica Neue" pointSize="30"/>
-                                <state key="normal" title="Tracking">
+                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="mCk-tp-oM3">
+                                <rect key="frame" x="49" y="705" width="122" height="48"/>
+                                <color key="backgroundColor" red="0.76673818005181349" green="0.10930287577585605" blue="0.13850717263181206" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                <constraints>
+                                    <constraint firstAttribute="width" constant="122" id="6uo-R9-sfc"/>
+                                </constraints>
+                                <fontDescription key="fontDescription" type="system" pointSize="30"/>
+                                <state key="normal" title="Paradas">
                                     <color key="titleColor" white="0.0" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
                                 </state>
                                 <connections>
-                                    <action selector="trackingButton:" destination="BYZ-38-t0r" eventType="touchUpInside" id="bj2-2c-F73"/>
+                                    <segue destination="hgI-fz-4Vc" kind="show" id="Mi9-kK-bJx"/>
                                 </connections>
                             </button>
                         </subviews>
                         <color key="backgroundColor" systemColor="secondarySystemGroupedBackgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                        <constraints>
+                            <constraint firstItem="KQC-gY-9mQ" firstAttribute="leading" secondItem="6Tk-OE-BBY" secondAttribute="leading" constant="7" id="4tK-75-TTb"/>
+                            <constraint firstItem="5sx-mb-Vhu" firstAttribute="leading" relation="greaterThanOrEqual" secondItem="6Tk-OE-BBY" secondAttribute="leading" id="7vx-Bc-qCt"/>
+                            <constraint firstItem="6Tk-OE-BBY" firstAttribute="bottom" secondItem="mCk-tp-oM3" secondAttribute="bottom" constant="109" id="Zs3-P2-qf5"/>
+                            <constraint firstItem="5sx-mb-Vhu" firstAttribute="top" secondItem="6Tk-OE-BBY" secondAttribute="top" constant="46" id="aPT-iH-ChZ"/>
+                            <constraint firstItem="6Tk-OE-BBY" firstAttribute="trailing" secondItem="5sx-mb-Vhu" secondAttribute="trailing" constant="105" id="bal-xX-LWh"/>
+                            <constraint firstItem="mCk-tp-oM3" firstAttribute="top" secondItem="KQC-gY-9mQ" secondAttribute="bottom" constant="58" id="exG-uc-qz9"/>
+                            <constraint firstItem="mCk-tp-oM3" firstAttribute="top" secondItem="2cl-Ch-09v" secondAttribute="top" id="gOP-zh-EQH"/>
+                            <constraint firstItem="KQC-gY-9mQ" firstAttribute="centerX" secondItem="8bC-Xf-vdC" secondAttribute="centerX" id="j43-we-PaR"/>
+                            <constraint firstItem="2cl-Ch-09v" firstAttribute="leading" secondItem="mCk-tp-oM3" secondAttribute="trailing" constant="75" id="kgL-iV-9lE"/>
+                            <constraint firstItem="mCk-tp-oM3" firstAttribute="bottom" secondItem="2cl-Ch-09v" secondAttribute="bottom" id="oLg-kF-fXQ"/>
+                            <constraint firstItem="mCk-tp-oM3" firstAttribute="leading" secondItem="6Tk-OE-BBY" secondAttribute="leading" constant="49" id="onu-ZL-tE9"/>
+                        </constraints>
                         <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
                     </view>
                 </viewController>
@@ -59,6 +74,193 @@
             </objects>
             <point key="canvasLocation" x="137.68115942028987" y="133.92857142857142"/>
         </scene>
+        <!--Table View Controller-->
+        <scene sceneID="xjP-gs-qNg">
+            <objects>
+                <tableViewController id="hgI-fz-4Vc" sceneMemberID="viewController">
+                    <tableView key="view" clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="static" style="plain" separatorStyle="default" rowHeight="-1" estimatedRowHeight="-1" sectionHeaderHeight="28" sectionFooterHeight="28" id="aZF-XN-g7M">
+                        <rect key="frame" x="0.0" y="0.0" width="414" height="842"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" systemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
+                        <sections>
+                            <tableViewSection id="R38-7O-YDv">
+                                <cells>
+                                    <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" preservesSuperviewLayoutMargins="YES" selectionStyle="default" indentationWidth="10" textLabel="P9j-EK-xET" style="IBUITableViewCellStyleDefault" id="2X4-Of-h3t">
+                                        <rect key="frame" x="0.0" y="28" width="414" height="47.5"/>
+                                        <autoresizingMask key="autoresizingMask"/>
+                                        <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" preservesSuperviewLayoutMargins="YES" insetsLayoutMarginsFromSafeArea="NO" tableViewCell="2X4-Of-h3t" id="Wcn-H7-bZD">
+                                            <rect key="frame" x="0.0" y="0.0" width="414" height="47.5"/>
+                                            <autoresizingMask key="autoresizingMask"/>
+                                            <subviews>
+                                                <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" insetsLayoutMarginsFromSafeArea="NO" text="Parada 1" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="P9j-EK-xET">
+                                                    <rect key="frame" x="20" y="0.0" width="374" height="47.5"/>
+                                                    <autoresizingMask key="autoresizingMask"/>
+                                                    <fontDescription key="fontDescription" type="system" pointSize="20"/>
+                                                    <nil key="textColor"/>
+                                                    <nil key="highlightedColor"/>
+                                                </label>
+                                            </subviews>
+                                        </tableViewCellContentView>
+                                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    </tableViewCell>
+                                    <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" preservesSuperviewLayoutMargins="YES" selectionStyle="default" indentationWidth="10" textLabel="sgQ-Td-W7K" style="IBUITableViewCellStyleDefault" id="ZJF-Xk-L5w">
+                                        <rect key="frame" x="0.0" y="75.5" width="414" height="47.5"/>
+                                        <autoresizingMask key="autoresizingMask"/>
+                                        <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" preservesSuperviewLayoutMargins="YES" insetsLayoutMarginsFromSafeArea="NO" tableViewCell="ZJF-Xk-L5w" id="LDz-uT-YYq">
+                                            <rect key="frame" x="0.0" y="0.0" width="414" height="47.5"/>
+                                            <autoresizingMask key="autoresizingMask"/>
+                                            <subviews>
+                                                <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" insetsLayoutMarginsFromSafeArea="NO" text="Parada 2" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="sgQ-Td-W7K">
+                                                    <rect key="frame" x="20" y="0.0" width="374" height="47.5"/>
+                                                    <autoresizingMask key="autoresizingMask"/>
+                                                    <fontDescription key="fontDescription" type="system" pointSize="20"/>
+                                                    <nil key="textColor"/>
+                                                    <nil key="highlightedColor"/>
+                                                </label>
+                                            </subviews>
+                                        </tableViewCellContentView>
+                                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    </tableViewCell>
+                                    <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" preservesSuperviewLayoutMargins="YES" selectionStyle="default" indentationWidth="10" textLabel="eew-ss-2Z6" style="IBUITableViewCellStyleDefault" id="mcJ-AL-E90">
+                                        <rect key="frame" x="0.0" y="123" width="414" height="47.5"/>
+                                        <autoresizingMask key="autoresizingMask"/>
+                                        <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" preservesSuperviewLayoutMargins="YES" insetsLayoutMarginsFromSafeArea="NO" tableViewCell="mcJ-AL-E90" id="ze7-eK-QjC">
+                                            <rect key="frame" x="0.0" y="0.0" width="414" height="47.5"/>
+                                            <autoresizingMask key="autoresizingMask"/>
+                                            <subviews>
+                                                <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" insetsLayoutMarginsFromSafeArea="NO" text="Parada 3" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="eew-ss-2Z6">
+                                                    <rect key="frame" x="20" y="0.0" width="374" height="47.5"/>
+                                                    <autoresizingMask key="autoresizingMask"/>
+                                                    <fontDescription key="fontDescription" type="system" pointSize="20"/>
+                                                    <nil key="textColor"/>
+                                                    <nil key="highlightedColor"/>
+                                                </label>
+                                            </subviews>
+                                        </tableViewCellContentView>
+                                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    </tableViewCell>
+                                    <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" preservesSuperviewLayoutMargins="YES" selectionStyle="default" indentationWidth="10" textLabel="xnN-d4-0tO" style="IBUITableViewCellStyleDefault" id="678-LD-kG7">
+                                        <rect key="frame" x="0.0" y="170.5" width="414" height="47.5"/>
+                                        <autoresizingMask key="autoresizingMask"/>
+                                        <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" preservesSuperviewLayoutMargins="YES" insetsLayoutMarginsFromSafeArea="NO" tableViewCell="678-LD-kG7" id="jlf-EF-s4X">
+                                            <rect key="frame" x="0.0" y="0.0" width="414" height="47.5"/>
+                                            <autoresizingMask key="autoresizingMask"/>
+                                            <subviews>
+                                                <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" insetsLayoutMarginsFromSafeArea="NO" text="Parada 4" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="xnN-d4-0tO">
+                                                    <rect key="frame" x="20" y="0.0" width="374" height="47.5"/>
+                                                    <autoresizingMask key="autoresizingMask"/>
+                                                    <fontDescription key="fontDescription" type="system" pointSize="20"/>
+                                                    <nil key="textColor"/>
+                                                    <nil key="highlightedColor"/>
+                                                </label>
+                                            </subviews>
+                                        </tableViewCellContentView>
+                                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    </tableViewCell>
+                                    <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" preservesSuperviewLayoutMargins="YES" selectionStyle="default" indentationWidth="10" textLabel="ozJ-Dd-JVx" style="IBUITableViewCellStyleDefault" id="Qdr-j2-dMl">
+                                        <rect key="frame" x="0.0" y="218" width="414" height="47.5"/>
+                                        <autoresizingMask key="autoresizingMask"/>
+                                        <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" preservesSuperviewLayoutMargins="YES" insetsLayoutMarginsFromSafeArea="NO" tableViewCell="Qdr-j2-dMl" id="f2e-0P-0se">
+                                            <rect key="frame" x="0.0" y="0.0" width="414" height="47.5"/>
+                                            <autoresizingMask key="autoresizingMask"/>
+                                            <subviews>
+                                                <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" insetsLayoutMarginsFromSafeArea="NO" text="Parada 5" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="ozJ-Dd-JVx">
+                                                    <rect key="frame" x="20" y="0.0" width="374" height="47.5"/>
+                                                    <autoresizingMask key="autoresizingMask"/>
+                                                    <fontDescription key="fontDescription" type="system" pointSize="20"/>
+                                                    <nil key="textColor"/>
+                                                    <nil key="highlightedColor"/>
+                                                </label>
+                                            </subviews>
+                                        </tableViewCellContentView>
+                                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    </tableViewCell>
+                                    <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" preservesSuperviewLayoutMargins="YES" selectionStyle="default" indentationWidth="10" textLabel="Ubc-k8-qBb" style="IBUITableViewCellStyleDefault" id="GB7-Wu-mms">
+                                        <rect key="frame" x="0.0" y="265.5" width="414" height="47.5"/>
+                                        <autoresizingMask key="autoresizingMask"/>
+                                        <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" preservesSuperviewLayoutMargins="YES" insetsLayoutMarginsFromSafeArea="NO" tableViewCell="GB7-Wu-mms" id="y0t-d4-gfp">
+                                            <rect key="frame" x="0.0" y="0.0" width="414" height="47.5"/>
+                                            <autoresizingMask key="autoresizingMask"/>
+                                            <subviews>
+                                                <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" insetsLayoutMarginsFromSafeArea="NO" text="Parada 6" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="Ubc-k8-qBb">
+                                                    <rect key="frame" x="20" y="0.0" width="374" height="47.5"/>
+                                                    <autoresizingMask key="autoresizingMask"/>
+                                                    <fontDescription key="fontDescription" type="system" pointSize="20"/>
+                                                    <nil key="textColor"/>
+                                                    <nil key="highlightedColor"/>
+                                                </label>
+                                            </subviews>
+                                        </tableViewCellContentView>
+                                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    </tableViewCell>
+                                    <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" preservesSuperviewLayoutMargins="YES" selectionStyle="default" indentationWidth="10" textLabel="POV-SW-qZU" style="IBUITableViewCellStyleDefault" id="DUL-zs-ndZ">
+                                        <rect key="frame" x="0.0" y="313" width="414" height="47.5"/>
+                                        <autoresizingMask key="autoresizingMask"/>
+                                        <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" preservesSuperviewLayoutMargins="YES" insetsLayoutMarginsFromSafeArea="NO" tableViewCell="DUL-zs-ndZ" id="jZ3-iB-nx0">
+                                            <rect key="frame" x="0.0" y="0.0" width="414" height="47.5"/>
+                                            <autoresizingMask key="autoresizingMask"/>
+                                            <subviews>
+                                                <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" insetsLayoutMarginsFromSafeArea="NO" text="Parada 7" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="POV-SW-qZU">
+                                                    <rect key="frame" x="20" y="0.0" width="374" height="47.5"/>
+                                                    <autoresizingMask key="autoresizingMask"/>
+                                                    <fontDescription key="fontDescription" type="system" pointSize="20"/>
+                                                    <nil key="textColor"/>
+                                                    <nil key="highlightedColor"/>
+                                                </label>
+                                            </subviews>
+                                        </tableViewCellContentView>
+                                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    </tableViewCell>
+                                    <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" preservesSuperviewLayoutMargins="YES" selectionStyle="default" indentationWidth="10" textLabel="rmw-VL-c6Q" style="IBUITableViewCellStyleDefault" id="yo5-fl-fbE">
+                                        <rect key="frame" x="0.0" y="360.5" width="414" height="47.5"/>
+                                        <autoresizingMask key="autoresizingMask"/>
+                                        <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" preservesSuperviewLayoutMargins="YES" insetsLayoutMarginsFromSafeArea="NO" tableViewCell="yo5-fl-fbE" id="FPQ-Tm-a7c">
+                                            <rect key="frame" x="0.0" y="0.0" width="414" height="47.5"/>
+                                            <autoresizingMask key="autoresizingMask"/>
+                                            <subviews>
+                                                <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" insetsLayoutMarginsFromSafeArea="NO" text="Parada 8" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="rmw-VL-c6Q">
+                                                    <rect key="frame" x="20" y="0.0" width="374" height="47.5"/>
+                                                    <autoresizingMask key="autoresizingMask"/>
+                                                    <fontDescription key="fontDescription" type="system" pointSize="20"/>
+                                                    <nil key="textColor"/>
+                                                    <nil key="highlightedColor"/>
+                                                </label>
+                                            </subviews>
+                                        </tableViewCellContentView>
+                                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    </tableViewCell>
+                                    <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" preservesSuperviewLayoutMargins="YES" selectionStyle="default" indentationWidth="10" textLabel="KbK-VP-nDK" style="IBUITableViewCellStyleDefault" id="aSV-n0-8Tx">
+                                        <rect key="frame" x="0.0" y="408" width="414" height="47.5"/>
+                                        <autoresizingMask key="autoresizingMask"/>
+                                        <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" preservesSuperviewLayoutMargins="YES" insetsLayoutMarginsFromSafeArea="NO" tableViewCell="aSV-n0-8Tx" id="JG6-UT-I1Z">
+                                            <rect key="frame" x="0.0" y="0.0" width="414" height="47.5"/>
+                                            <autoresizingMask key="autoresizingMask"/>
+                                            <subviews>
+                                                <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" insetsLayoutMarginsFromSafeArea="NO" text="Parada 9" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="KbK-VP-nDK">
+                                                    <rect key="frame" x="20" y="0.0" width="374" height="47.5"/>
+                                                    <autoresizingMask key="autoresizingMask"/>
+                                                    <fontDescription key="fontDescription" type="system" pointSize="20"/>
+                                                    <nil key="textColor"/>
+                                                    <nil key="highlightedColor"/>
+                                                </label>
+                                            </subviews>
+                                        </tableViewCellContentView>
+                                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    </tableViewCell>
+                                </cells>
+                            </tableViewSection>
+                        </sections>
+                        <connections>
+                            <outlet property="dataSource" destination="hgI-fz-4Vc" id="6u1-6B-JNP"/>
+                            <outlet property="delegate" destination="hgI-fz-4Vc" id="9Yo-jn-CLd"/>
+                        </connections>
+                    </tableView>
+                    <navigationItem key="navigationItem" id="LCG-h4-cOW"/>
+                </tableViewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="EF3-hv-twl" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="874" y="134"/>
+        </scene>
     </scenes>
     <resources>
         <image name="map" width="520.5" height="431"/>

Trolley App/ViewController.swift

@@ -9,13 +9,17 @@
 import UIKit
 import CoreLocation
 import MapKit
+import Alamofire
+
+
+
 class ViewController: UIViewController,  CLLocationManagerDelegate {
 
     var estado = false
     let locationManager = CLLocationManager()
-    
    
-    
+   
+    var locations: CLLocation!
     
     override func viewDidLoad() {
         super.viewDidLoad()
@@ -33,10 +37,14 @@ class ViewController: UIViewController,  CLLocationManagerDelegate {
         guard let locValue: CLLocationCoordinate2D = manager.location?.coordinate
             else { return }
         print("locations = \(locValue.latitude) \(locValue.longitude)")
+        
+        
+        
     }
  
     
-    //botton de las paradas
+    
+    //botton de las tracking
     @IBAction func trackingButton(_ sender: UIButton) {
         
         // si el estado esta en falso
@@ -48,13 +56,26 @@ class ViewController: UIViewController,  CLLocationManagerDelegate {
         else{ // si el estado esta en cierto
              sender.setTitle("Tracking", for: .normal) // cambiamos el texto del boton
             locationManager.stopUpdatingLocation() // paramos el metodo de capturacion de localizacion
+            locations = locationManager.location
+            //print("pollo"+"\(latitud.coordinate.latitude)")
+           
+            
+            let location: [String: Any] = ["latitude": locations.coordinate.latitude,"longitude": locations.coordinate.longitude]
+       //conect to server and send lat y long
             
+            AF.request("http://136.145.231.39/json-receiver.php", method:.post, parameters: location,encoding: JSONEncoding.default).response{ (response) in
+      print(response)
+            }
+            
+        AF.request("http://136.145.231.39/sender2.php").responseJSON { response in
+            debugPrint("Response: \(response)")
+            
+        }
+            
+        
             estado = false // se cambia estado de nuevo a falso
         }
     }
-    
-   
-    
-    
+
 }