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[3.15] gh-60299: Fix ProxyDigestAuthHandler credential lookup to use proxy authority (GH-160528) - #160914
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…roxy authority (pythonGH-160528) AbstractDigestAuthHandler.get_authorization() always looked up credentials using the target request URL (req.full_url), even when invoked via ProxyDigestAuthHandler, whose credentials are registered against the proxy's host:port. The lookup never matched, no Proxy-Authorization header was produced, and proxy digest auth failed with an unhandled 407. (cherry picked from commit 9b3e095) Co-authored-by: Senthil Kumaran <senthil@python.org> Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This was referenced Oct 29, 2026
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AbstractDigestAuthHandler.get_authorization() always looked up
credentials using the target request URL (req.full_url), even when
invoked via ProxyDigestAuthHandler, whose credentials are registered
against the proxy's host:port.
The lookup never matched, no Proxy-Authorization header was produced,
and proxy digest auth failed with an unhandled 407.
(cherry picked from commit 9b3e095)
Co-authored-by: Senthil Kumaran senthil@python.org
Co-Authored-By: Claude Sonnet 5 noreply@anthropic.com