From b3a88780802a83686671945471d042dd864e7ccb Mon Sep 17 00:00:00 2001 From: Philipp Hagemeister Date: Fri, 11 Jul 2014 10:23:17 +0200 Subject: [PATCH] [youtube] Remove static signatures The always fail by now. Instead, use only automatic signature extraction --- youtube_dl/extractor/youtube.py | 50 ++------------------------------- 1 file changed, 3 insertions(+), 47 deletions(-) diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py index f420b8148..15208f47f 100644 --- a/youtube_dl/extractor/youtube.py +++ b/youtube_dl/extractor/youtube.py @@ -879,58 +879,14 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): if self._downloader.params.get('youtube_print_sig_code'): self._print_sig_code(func, len(s)) return func(s) - except Exception: + except Exception as e: tb = traceback.format_exc() - self._downloader.report_warning( - u'Automatic signature extraction failed: ' + tb) - - self._downloader.report_warning( - u'Warning: Falling back to static signature algorithm') + raise ExtractorError( + u'Automatic signature extraction failed: ' + tb, cause=e) return self._static_decrypt_signature( s, video_id, player_url, age_gate) - def _static_decrypt_signature(self, s, video_id, player_url, age_gate): - if age_gate: - # The videos with age protection use another player, so the - # algorithms can be different. - if len(s) == 86: - return s[2:63] + s[82] + s[64:82] + s[63] - - if len(s) == 93: - return s[86:29:-1] + s[88] + s[28:5:-1] - elif len(s) == 92: - return s[25] + s[3:25] + s[0] + s[26:42] + s[79] + s[43:79] + s[91] + s[80:83] - elif len(s) == 91: - return s[84:27:-1] + s[86] + s[26:5:-1] - elif len(s) == 90: - return s[25] + s[3:25] + s[2] + s[26:40] + s[77] + s[41:77] + s[89] + s[78:81] - elif len(s) == 89: - return s[84:78:-1] + s[87] + s[77:60:-1] + s[0] + s[59:3:-1] - elif len(s) == 88: - return s[7:28] + s[87] + s[29:45] + s[55] + s[46:55] + s[2] + s[56:87] + s[28] - elif len(s) == 87: - return s[6:27] + s[4] + s[28:39] + s[27] + s[40:59] + s[2] + s[60:] - elif len(s) == 86: - return s[80:72:-1] + s[16] + s[71:39:-1] + s[72] + s[38:16:-1] + s[82] + s[15::-1] - elif len(s) == 85: - return s[3:11] + s[0] + s[12:55] + s[84] + s[56:84] - elif len(s) == 84: - return s[78:70:-1] + s[14] + s[69:37:-1] + s[70] + s[36:14:-1] + s[80] + s[:14][::-1] - elif len(s) == 83: - return s[80:63:-1] + s[0] + s[62:0:-1] + s[63] - elif len(s) == 82: - return s[80:37:-1] + s[7] + s[36:7:-1] + s[0] + s[6:0:-1] + s[37] - elif len(s) == 81: - 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] - elif len(s) == 80: - return s[1:19] + s[0] + s[20:68] + s[19] + s[69:80] - elif len(s) == 79: - 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] - - else: - raise ExtractorError(u'Unable to decrypt signature, key length %d not supported; retrying might work' % (len(s))) - def _get_available_subtitles(self, video_id, webpage): try: sub_list = self._download_webpage(