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[youtube] Remove static signatures
The always fail by now. Instead, use only automatic signature extraction
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commit
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1 changed files with 3 additions and 47 deletions
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@ -879,58 +879,14 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
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if self._downloader.params.get('youtube_print_sig_code'):
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self._print_sig_code(func, len(s))
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return func(s)
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except Exception:
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except Exception as e:
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tb = traceback.format_exc()
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self._downloader.report_warning(
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u'Automatic signature extraction failed: ' + tb)
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self._downloader.report_warning(
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u'Warning: Falling back to static signature algorithm')
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raise ExtractorError(
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u'Automatic signature extraction failed: ' + tb, cause=e)
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return self._static_decrypt_signature(
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s, video_id, player_url, age_gate)
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def _static_decrypt_signature(self, s, video_id, player_url, age_gate):
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if age_gate:
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# The videos with age protection use another player, so the
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# algorithms can be different.
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if len(s) == 86:
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return s[2:63] + s[82] + s[64:82] + s[63]
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if len(s) == 93:
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return s[86:29:-1] + s[88] + s[28:5:-1]
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elif len(s) == 92:
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return s[25] + s[3:25] + s[0] + s[26:42] + s[79] + s[43:79] + s[91] + s[80:83]
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elif len(s) == 91:
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return s[84:27:-1] + s[86] + s[26:5:-1]
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elif len(s) == 90:
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return s[25] + s[3:25] + s[2] + s[26:40] + s[77] + s[41:77] + s[89] + s[78:81]
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elif len(s) == 89:
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return s[84:78:-1] + s[87] + s[77:60:-1] + s[0] + s[59:3:-1]
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elif len(s) == 88:
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return s[7:28] + s[87] + s[29:45] + s[55] + s[46:55] + s[2] + s[56:87] + s[28]
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elif len(s) == 87:
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return s[6:27] + s[4] + s[28:39] + s[27] + s[40:59] + s[2] + s[60:]
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elif len(s) == 86:
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return s[80:72:-1] + s[16] + s[71:39:-1] + s[72] + s[38:16:-1] + s[82] + s[15::-1]
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elif len(s) == 85:
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return s[3:11] + s[0] + s[12:55] + s[84] + s[56:84]
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elif len(s) == 84:
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return s[78:70:-1] + s[14] + s[69:37:-1] + s[70] + s[36:14:-1] + s[80] + s[:14][::-1]
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elif len(s) == 83:
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return s[80:63:-1] + s[0] + s[62:0:-1] + s[63]
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elif len(s) == 82:
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return s[80:37:-1] + s[7] + s[36:7:-1] + s[0] + s[6:0:-1] + s[37]
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elif len(s) == 81:
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return s[56] + s[79:56:-1] + s[41] + s[55:41:-1] + s[80] + s[40:34:-1] + s[0] + s[33:29:-1] + s[34] + s[28:9:-1] + s[29] + s[8:0:-1] + s[9]
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elif len(s) == 80:
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return s[1:19] + s[0] + s[20:68] + s[19] + s[69:80]
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elif len(s) == 79:
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return s[54] + s[77:54:-1] + s[39] + s[53:39:-1] + s[78] + s[38:34:-1] + s[0] + s[33:29:-1] + s[34] + s[28:9:-1] + s[29] + s[8:0:-1] + s[9]
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else:
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raise ExtractorError(u'Unable to decrypt signature, key length %d not supported; retrying might work' % (len(s)))
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def _get_available_subtitles(self, video_id, webpage):
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try:
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sub_list = self._download_webpage(
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