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fix: compare authentication scheme case-insensitively (#2386)

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TargetLocked 2025-11-23 19:34:02 +08:00 committed by GitHub
parent 140d892ccf
commit 438d4138d6
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1 changed files with 5 additions and 1 deletions
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6
listener/http/utils.go
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@ -63,7 +63,11 @@ func removeExtraHTTPHostPort(req *http.Request) {
// parseBasicProxyAuthorization parse header Proxy-Authorization and return base64-encoded credential
func parseBasicProxyAuthorization(request *http.Request) string {
value := request.Header.Get("Proxy-Authorization")
if !strings.HasPrefix(value, "Basic ") {
const prefix = "Basic "
// According to RFC7617, the scheme should be case-insensitive.
// In practice, some implementations do use different case styles, causing authentication to fail
// eg: https://github.com/algesten/ureq/blob/381fd42cfcb80a5eb709d64860aa0ae726f17b8e/src/unversioned/transport/connect.rs#L118
if len(value) < len(prefix) || !strings.EqualFold(value[:len(prefix)], prefix) {
return ""
}