self.to_screen(u'RTMP download detected')
def _decrypt_signature(self, s):
- """Decrypt the key the two subkeys must have a length of 43"""
- if self._downloader.params.get('verbose'):
- self.to_screen('encrypted signature length %d' % (len(s)))
+ """Decrypt the key"""
if len(s) == 88:
return s[48] + s[81:67:-1] + s[82] + s[66:62:-1] + s[85] + s[61:48:-1] + s[67] + s[47:12:-1] + s[3] + s[11:3:-1] + s[2] + s[12]
elif len(s) == 87:
return s[62] + s[82:62:-1] + s[83] + s[61:52:-1] + s[0] + s[51:2:-1]
elif len(s) == 86:
- return s[2:17] + s[0] + s[18:41] + s[79] + s[42:79] + s[82] + s[80:82] + s[41]
+ return s[2:63] + s[82] + s[64:82] + s[63]
elif len(s) == 85:
return s[76] + s[82:76:-1] + s[83] + s[75:60:-1] + s[0] + s[59:50:-1] + s[1] + s[49:2:-1]
elif len(s) == 84:
return s[36] + s[79:67:-1] + s[81] + s[66:40:-1] + s[33] + s[39:36:-1] + s[40] + s[35] + s[0] + s[67] + s[32:0:-1] + s[34]
else:
- raise ExtractorError(u'Unable to decrypt signature, subkeys length %d not supported; retrying might work' % (len(s)))
+ raise ExtractorError(u'Unable to decrypt signature, key length %d not supported; retrying might work' % (len(s)))
def _get_available_subtitles(self, video_id):
self.report_video_subtitles_download(video_id)
if 'sig' in url_data:
url += '&signature=' + url_data['sig'][0]
elif 's' in url_data:
+ if self._downloader.params.get('verbose'):
+ s = url_data['s'][0]
+ player = self._search_regex(r'html5player-(.+?)\.js', video_webpage,
+ 'html5 player', fatal=False)
+ self.to_screen('encrypted signature length %d (%d.%d), itag %s, html5 player %s' %
+ (len(s), len(s.split('.')[0]), len(s.split('.')[1]), url_data['itag'][0], player))
signature = self._decrypt_signature(url_data['s'][0])
url += '&signature=' + signature
if 'ratebypass' not in url: