fix: Handle comma-separated values in x-forwarded-port header #304
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lucadelauw
requested review from
gavin-aguiar,
hallvictoria and
vrdmr
as code owners
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@microsoft-github-policy-service agree |
Author
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Can this please be looked at since it's quite a blocking issue. This is a fairly straightforward fix |
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When Azure Functions applications are deployed behind proxies or load balancers (such as Azure Application Gateway), the 'x-forwarded-port' header may contain multiple comma-separated port values (e.g., "443,8080,433"). The current implementation attempts to convert the entire string to an integer, which causes an error and subsequent function crash.
My fix extracts the first port value from this header and also strips whitespaces. Also included new tests for these
see: Azure/azure-functions-python-worker#1768