print more encrypted signature info on -v (rel: #948)

[youtube-dl] / youtube_dl / extractor / youtube.py

diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index 8470c40e25e90c893d7d9aa0609b2dd89ebf6bb2..c7922c533343ca162c922659d34dc867d6839864 100644 (file)
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -131,15 +131,13 @@ class YoutubeIE(InfoExtractor):
 
     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)))
 
         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:
@@ -520,6 +518,12 @@ class YoutubeIE(InfoExtractor):
                     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: