Harsha Vamsi KalluriandGitHub
5c1c890f69
* Abstract away service name Signed-off-by: Harsha Vamsi Kalluri <[email protected]> * Compuute x-amz-content-256 header Signed-off-by: Harsha Vamsi Kalluri <[email protected]> * Fix async signing Signed-off-by: Harsha Vamsi Kalluri <[email protected]> * Adds types-six to dependencies Signed-off-by: Harsha Vamsi Kalluri <[email protected]> * Optionally remove Content-Length Signed-off-by: Harsha Vamsi Kalluri <[email protected]> * Fix dict typo Signed-off-by: Harsha Vamsi Kalluri <[email protected]> * Remove requirement for x-amz-content-sha256 header Signed-off-by: Harsha Vamsi Kalluri <[email protected]> * Remove deletion of content-length Signed-off-by: Harsha Vamsi Kalluri <[email protected]> * Fix capitalization Signed-off-by: Harsha Vamsi Kalluri <[email protected]> * Adding unit tests Signed-off-by: Harsha Vamsi Kalluri <[email protected]> Signed-off-by: Harsha Vamsi Kalluri <[email protected]>
57 lines
1.7 KiB
Python
57 lines
1.7 KiB
Python
# SPDX-License-Identifier: Apache-2.0
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#
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# The OpenSearch Contributors require contributions made to
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# this file be licensed under the Apache-2.0 license or a
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# compatible open source license.
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#
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# Modifications Copyright OpenSearch Contributors. See
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# GitHub history for details.
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import sys
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PY3 = sys.version_info[0] == 3
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class AWSV4SignerAsyncAuth:
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"""
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AWS V4 Request Signer for Async Requests.
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"""
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def __init__(self, credentials, region, service="es"): # type: ignore
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if not credentials:
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raise ValueError("Credentials cannot be empty")
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self.credentials = credentials
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if not region:
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raise ValueError("Region cannot be empty")
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self.region = region
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if not service:
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raise ValueError("Service name cannot be empty")
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self.service = service
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def __call__(self, method, url, query_string, body): # type: ignore
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return self._sign_request(method, url, query_string, body) # type: ignore
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def _sign_request(self, method, url, query_string, body):
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"""
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This method helps in signing the request by injecting the required headers.
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:param prepared_request: unsigned headers
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:return: signed headers
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"""
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from botocore.auth import SigV4Auth
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from botocore.awsrequest import AWSRequest
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# create an AWS request object and sign it using SigV4Auth
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aws_request = AWSRequest(
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method=method,
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url="".join([url, query_string]),
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)
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sig_v4_auth = SigV4Auth(self.credentials, self.service, self.region)
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sig_v4_auth.add_auth(aws_request)
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# copy the headers from AWS request object into the prepared_request
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return dict(aws_request.headers.items())
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