X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;ds=inline;f=youtube_dl%2Fextractor%2Fyoutube.py;h=def6f7a74e951882403deff45603a214924ba9a8;hb=2eb88d953f25e178881c1415c68fea1f770a7ee6;hp=6728f54188674a8ed8e38293926dc1f6863f5994;hpb=b004821fa98a5ac563811f37b744c632dd58d559;p=youtube-dl

diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index 6728f5418..def6f7a74 100644
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -81,6 +81,44 @@ class YoutubeIE(InfoExtractor):
         '46': '1080x1920',
     }
     IE_NAME = u'youtube'
+    _TESTS = [
+        {
+            "url":  "http://www.youtube.com/watch?v=BaW_jenozKc",
+            "file":  "BaW_jenozKc.mp4",
+            "info_dict": {
+              "title": "youtube-dl test video \"'/\\ä↭𝕐",
+              "uploader": "Philipp Hagemeister",
+              "uploader_id": "phihag",
+              "upload_date": "20121002",
+              "description": "test chars:  \"'/\\ä↭𝕐\n\nThis is a test video for youtube-dl.\n\nFor more information, contact phihag@phihag.de ."
+            }
+          },
+          {
+            "url":  "http://www.youtube.com/watch?v=1ltcDfZMA3U",
+            "file":  "1ltcDfZMA3U.flv",
+            "note": "Test VEVO video (#897)",
+            "info_dict": {
+              "upload_date": "20070518",
+              "title": "Maps - It Will Find You",
+              "description": "Music video by Maps performing It Will Find You.",
+              "uploader": "MuteUSA",
+              "uploader_id": "MuteUSA"
+            }
+          },
+          {
+            "url":  "http://www.youtube.com/watch?v=UxxajLWwzqY",
+            "file":  "UxxajLWwzqY.mp4",
+            "note": "Test generic use_cipher_signature video (#897)",
+            "info_dict": {
+              "upload_date": "20120506",
+              "title": "Icona Pop - I Love It (feat. Charli XCX) [OFFICIAL VIDEO]",
+              "description": "md5:b085c9804f5ab69f4adea963a2dceb3c",
+              "uploader": "IconaPop",
+              "uploader_id": "IconaPop"
+            }
+          }
+    ]
+
 
     @classmethod
     def suitable(cls, url):
@@ -130,16 +168,25 @@ class YoutubeIE(InfoExtractor):
         self.to_screen(u'RTMP download detected')
 
     def _decrypt_signature(self, s):
-        """Decrypt the key the two subkeys must have a length of 43"""
-        (a,b) = s.split('.')
-        if len(a) != 43 or len(b) != 43:
-            raise ExtractorError(u'Unable to decrypt signature, subkeys lengths %d.%d not supported; retrying might work' % (len(a), len(b)))
-        if self._downloader.params.get('verbose'):
-            self.to_screen('encrypted signature length %d.%d' % (len(a), len(b)))
-        b = ''.join([b[:8],a[0],b[9:18],b[-4],b[19:39], b[18]])[0:40]
-        a = a[-40:]
-        s_dec = '.'.join((a,b))[::-1]
-        return s_dec
+        """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[2:63] + 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[83:36:-1] + s[2] + s[35:26:-1] + s[3] + s[25:3:-1] + s[26]
+        elif len(s) == 83:
+            return s[52] + s[81:55:-1] + s[2] + s[54:52:-1] + s[82] + s[51:36:-1] + s[55] + s[35:2:-1] + s[36]
+        elif len(s) == 82:
+            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, key length %d not supported; retrying might work' % (len(s)))
 
     def _get_available_subtitles(self, video_id):
         self.report_video_subtitles_download(video_id)
@@ -509,6 +556,12 @@ 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: