s3api: Look for more indications of aws-chunked uploads

Change-Id: I7dda8a25c9e13b0d81293f0a966c34713c93f6ad
Related-Bug: 1810026

Author: tipabu

swift/common/middleware/s3api/s3request.py

@@ -749,7 +749,10 @@ def _validate_headers(self):
 
         # https://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-streaming.html
         # describes some of what would be required to support this
-        if 'aws-chunked' in self.headers.get('content-encoding', ''):
+        if any(['aws-chunked' in self.headers.get('content-encoding', ''),
+                'STREAMING-AWS4-HMAC-SHA256-PAYLOAD' == self.headers.get(
+                    'x-amz-content-sha256', ''),
+                'x-amz-decoded-content-length' in self.headers]):
             raise S3NotImplemented('Transfering payloads in multiple chunks '
                                    'using aws-chunked is not supported.')
 

test/unit/common/middleware/s3api/test_s3api.py

@@ -574,6 +574,11 @@ def test_aws_chunked(self):
         # > That is, you can specify your custom content-encoding when using
         # > Signature Version 4 streaming API.
         self._test_unsupported_header('Content-Encoding', 'aws-chunked,gzip')
+        # Some clients skip the content-encoding,
+        # such as minio-go and aws-sdk-java
+        self._test_unsupported_header('x-amz-content-sha256',
+                                      'STREAMING-AWS4-HMAC-SHA256-PAYLOAD')
+        self._test_unsupported_header('x-amz-decoded-content-length')
 
     def test_object_tagging(self):
         self._test_unsupported_header('x-amz-tagging')