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[socks] Report errors elegantly when credentails are required but missing

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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)
This commit is contained in:
Yen Chi Hsuan 2017-04-22 21:44:01 +08:00
parent facfd79f9a
commit 54f54fcca7
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2 changed files with 7 additions and 2 deletions
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4
ChangeLog
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@ -1,5 +1,9 @@
version <unreleased>
Core
* [socks] Handle cases where credentials are required but missing
Extractors
- [azubu] Remove extractor (#12813)
* [porn91] Fix extraction (#12814)

5
youtube_dl/socks.py
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@ -193,9 +193,10 @@ def _socks5_auth(self):
self._check_response_version(SOCKS5_VERSION, version)
if method == Socks5Auth.AUTH_NO_ACCEPTABLE:
if method == Socks5Auth.AUTH_NO_ACCEPTABLE or (
method == Socks5Auth.AUTH_USER_PASS and (not self._proxy.username or not self._proxy.password)):
self.close()
raise Socks5Error(method)
raise Socks5Error(Socks5Auth.AUTH_NO_ACCEPTABLE)
if method == Socks5Auth.AUTH_USER_PASS:
username = self._proxy.username.encode('utf-8')