config: strip credentials on cross-host redirects#901
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roidelapluie wants to merge 1 commit intoprometheus:mainfrom
Open
config: strip credentials on cross-host redirects#901roidelapluie wants to merge 1 commit intoprometheus:mainfrom
roidelapluie wants to merge 1 commit intoprometheus:mainfrom
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When FollowRedirects is true, credentials (Authorization header, Cookie headers set via HTTPHeaders) were forwarded to any redirect target, including cross-host redirects. Fix by marking cross-host redirects in the request context inside CheckRedirect, then having each credential round-tripper (bearer, basic auth, OAuth2) skip adding credentials for marked requests. A new sensitiveHeadersStripRT also strips sensitive headers added by headersRoundTripper on cross-host redirects. This aligns to Go's HTTP client behaviour. Signed-off-by: Julien Pivotto <291750+roidelapluie@users.noreply.github.com>
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When FollowRedirects is true, credentials (Authorization header, Cookie headers set via HTTPHeaders) were forwarded to any redirect target, including cross-host redirects.
Fix by marking cross-host redirects in the request context inside CheckRedirect, then having each credential round-tripper (bearer, basic auth, OAuth2) skip adding credentials for marked requests. A new sensitiveHeadersStripRT also strips sensitive headers added by headersRoundTripper on cross-host redirects.
This aligns to Go's HTTP client behaviour.