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Handle missing Connection header in Bedrock signing #1706

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Handle missing Connection header in Bedrock signing #1706

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5 changes: 2 additions & 3 deletions src/anthropic/lib/bedrock/_auth.py
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Original file line number Diff line number Diff line change
Expand Up @@ -56,10 +56,9 @@ def get_auth_headers(
# The connection header may be stripped by a proxy somewhere, so the receiver
# of this message may not see this header, so we remove it from the set of headers
# that are signed.
headers = headers.copy()
del headers["connection"]
new_headers = {k: v for k, v in dict(headers).items() if k.lower() != "connection"}

request = AWSRequest(method=method.upper(), url=url, headers=headers, data=data)
request = AWSRequest(method=method.upper(), url=url, headers=new_headers, data=data)
credentials = session.get_credentials()
if not credentials:
raise RuntimeError("could not resolve credentials from session")
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