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[socks] Report errors elegantly when credentails are required but missing
In some non-standard implementations, the server may respond AUTH_USER_PASS even if's not listed in available authentication methods. (it should respond AUTH_NO_ACCEPTABLE per standards)
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2 changed files with 7 additions and 2 deletions
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@ -1,5 +1,9 @@
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version <unreleased>
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Core
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* [socks] Handle cases where credentials are required but missing
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Extractors
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- [azubu] Remove extractor (#12813)
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* [porn91] Fix extraction (#12814)
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@ -193,9 +193,10 @@ class sockssocket(socket.socket):
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self._check_response_version(SOCKS5_VERSION, version)
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if method == Socks5Auth.AUTH_NO_ACCEPTABLE:
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if method == Socks5Auth.AUTH_NO_ACCEPTABLE or (
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method == Socks5Auth.AUTH_USER_PASS and (not self._proxy.username or not self._proxy.password)):
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self.close()
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raise Socks5Error(method)
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raise Socks5Error(Socks5Auth.AUTH_NO_ACCEPTABLE)
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if method == Socks5Auth.AUTH_USER_PASS:
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username = self._proxy.username.encode('utf-8')
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