diff options
Diffstat (limited to 'youtube_dl/InfoExtractors.py')
| -rwxr-xr-x | youtube_dl/InfoExtractors.py | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/youtube_dl/InfoExtractors.py b/youtube_dl/InfoExtractors.py index f25732bf5..39d2ef9d4 100755 --- a/youtube_dl/InfoExtractors.py +++ b/youtube_dl/InfoExtractors.py @@ -379,6 +379,17 @@ class YoutubeIE(InfoExtractor): """Indicate the download will use the RTMP protocol.""" self.to_screen(u'RTMP download detected') + @staticmethod + def _decrypt_signature(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 not valid') + 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 + def _get_available_subtitles(self, video_id): self.report_video_subtitles_download(video_id) request = compat_urllib_request.Request('http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id) @@ -724,6 +735,17 @@ class YoutubeIE(InfoExtractor): # Decide which formats to download req_format = self._downloader.params.get('format', None) + try: + mobj = re.search(r';ytplayer.config = ({.*?});', video_webpage) + info = json.loads(mobj.group(1)) + args = info['args'] + if args.get('ptk','') == 'vevo' or 'dashmpd': + # Vevo videos with encrypted signatures + self.to_screen(u'Vevo video detected.') + video_info['url_encoded_fmt_stream_map'] = [args['url_encoded_fmt_stream_map']] + except ValueError: + pass + if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'): self.report_rtmp_download() video_url_list = [(None, video_info['conn'][0])] @@ -735,6 +757,9 @@ class YoutubeIE(InfoExtractor): url = url_data['url'][0] if 'sig' in url_data: url += '&signature=' + url_data['sig'][0] + if 's' in url_data: + signature = self._decrypt_signature(url_data['s'][0]) + url += '&signature=' + signature if 'ratebypass' not in url: url += '&ratebypass=yes' url_map[url_data['itag'][0]] = url |