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- import logging
- import os
- import boto3
- from botocore.exceptions import ClientError
-
-
- def create_presigned_url(object_name):
- """Generate a presigned URL to share an S3 object with a capped expiration of 60 seconds
-
- :param object_name: string
- :return: Presigned URL as string. If error, returns None.
- """
- s3_client = boto3.client('s3',
- region_name=os.environ.get('S3_PERSISTENCE_REGION'),
- config=boto3.session.Config(signature_version='s3v4',s3={'addressing_style': 'path'}))
- try:
- bucket_name = os.environ.get('S3_PERSISTENCE_BUCKET')
- response = s3_client.generate_presigned_url('get_object',
- Params={'Bucket': bucket_name,
- 'Key': object_name},
- ExpiresIn=60*1)
- except ClientError as e:
- logging.error(e)
- return None
-
- # The response contains the presigned URL
- return response
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