def _decrypt_signature(self, s):
"""Turn the encrypted s field into a working signature"""
- def voodoo(a, b):
- c = a[0];
- a[0] = a[b % len(a)];
- a[b] = c;
- return a;
-
- s = list(s)
- s = s[2:len(s)];
- s = s[::-1];
- s = s[3:len(s)];
- s = voodoo(s, 9);
- s = s[3:len(s)];
- s = voodoo(s, 43);
- s = s[3:len(s)];
- s = s[::-1];
- s = voodoo(s, 23);
- s = "".join(s);
- return s;
+ if 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) == 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) == 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[4:23] + s[86] + s[24:85]
+ elif len(s) == 86:
+ return s[2:63] + s[82] + s[64:82] + s[63]
+ elif len(s) == 85:
+ return s[2:8] + s[0] + s[9:21] + s[65] + s[22:65] + s[84] + s[66:82] + s[21]
+ 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[6] + s[3:6] + s[33] + s[7:24] + s[0] + s[25:33] + s[53] + s[34:53] + s[24] + s[54:]
+ 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]
+ elif len(s) == 81:
+ return s[6] + s[3:6] + s[33] + s[7:24] + s[0] + s[25:33] + s[2] + s[34:53] + s[24] + s[54:81]
+
+ 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)
else:
player = u'html5 player %s' % self._search_regex(r'html5player-(.+?)\.js', video_webpage,
'html5 player', fatal=False)
- self.to_screen('encrypted signature length %d (%d.%d), itag %s, %s' %
- (len(s), len(s.split('.')[0]), len(s.split('.')[1]), url_data['itag'][0], player))
+ parts_sizes = u'.'.join(compat_str(len(part)) for part in s.split('.'))
+ self.to_screen(u'encrypted signature length %d (%s), itag %s, %s' %
+ (len(s), parts_sizes, url_data['itag'][0], player))
signature = self._decrypt_signature(url_data['s'][0])
url += '&signature=' + signature
if 'ratebypass' not in url:
_VALID_URL = r"^(?:https?://)?(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie)?\.com)/channel/([0-9A-Za-z_-]+)"
_TEMPLATE_URL = 'http://www.youtube.com/channel/%s/videos?sort=da&flow=list&view=0&page=%s&gl=US&hl=en'
_MORE_PAGES_INDICATOR = 'yt-uix-load-more'
- _MORE_PAGES_URL = 'http://www.youtube.com/channel_ajax?action_load_more_videos=1&flow=list&paging=%s&view=0&sort=da&channel_id=%s'
+ _MORE_PAGES_URL = 'http://www.youtube.com/c4_browse_ajax?action_load_more_videos=1&flow=list&paging=%s&view=0&sort=da&channel_id=%s'
IE_NAME = u'youtube:channel'
def extract_videos_from_page(self, page):
return [self.url_result('https://www.youtube.com' + season.group(1), 'YoutubePlaylist') for season in m_seasons]
-class YoutubeSubscriptionsIE(YoutubeIE):
- """It's a subclass of YoutubeIE because we need to login"""
- IE_DESC = u'YouTube.com subscriptions feed, "ytsubs" keyword(requires authentication)'
- _VALID_URL = r'https?://www\.youtube\.com/feed/subscriptions|:ytsubs(?:criptions)?'
- IE_NAME = u'youtube:subscriptions'
- _FEED_TEMPLATE = 'http://www.youtube.com/feed_ajax?action_load_system_feed=1&feed_name=subscriptions&paging=%s'
+class YoutubeFeedsInfoExtractor(YoutubeIE):
+ """
+ Base class for extractors that fetch info from
+ http://www.youtube.com/feed_ajax
+ Subclasses must define the _FEED_NAME and _PLAYLIST_TITLE properties.
+ """
_PAGING_STEP = 30
# Overwrite YoutubeIE properties we don't want
def suitable(cls, url):
return re.match(cls._VALID_URL, url) is not None
+ @property
+ def _FEED_TEMPLATE(self):
+ return 'http://www.youtube.com/feed_ajax?action_load_system_feed=1&feed_name=%s&paging=%%s' % self._FEED_NAME
+
+ @property
+ def IE_NAME(self):
+ return u'youtube:%s' % self._FEED_NAME
+
def _real_initialize(self):
(username, password) = self._get_login_info()
if username is None:
raise ExtractorError(u'No login info available, needed for downloading the Youtube subscriptions.', expected=True)
- super(YoutubeSubscriptionsIE, self)._real_initialize()
+ super(YoutubeFeedsInfoExtractor, self)._real_initialize()
def _real_extract(self, url):
feed_entries = []
# The step argument is available only in 2.7 or higher
for i in itertools.count(0):
paging = i*self._PAGING_STEP
- info = self._download_webpage(self._FEED_TEMPLATE % paging, 'feed',
+ info = self._download_webpage(self._FEED_TEMPLATE % paging,
+ u'%s feed' % self._FEED_NAME,
u'Downloading page %s' % i)
info = json.loads(info)
feed_html = info['feed_html']
feed_entries.extend(self.url_result(id, 'Youtube') for id in ids)
if info['paging'] is None:
break
- return self.playlist_result(feed_entries, playlist_title='Youtube Subscriptions')
+ return self.playlist_result(feed_entries, playlist_title=self._PLAYLIST_TITLE)
+
+class YoutubeSubscriptionsIE(YoutubeFeedsInfoExtractor):
+ IE_DESC = u'YouTube.com subscriptions feed, "ytsubs" keyword(requires authentication)'
+ _VALID_URL = r'https?://www\.youtube\.com/feed/subscriptions|:ytsubs(?:criptions)?'
+ _FEED_NAME = 'subscriptions'
+ _PLAYLIST_TITLE = u'Youtube Subscriptions'
+
+class YoutubeRecommendedIE(YoutubeFeedsInfoExtractor):
+ IE_DESC = u'YouTube.com recommended videos, "ytrec" keyword (requires authentication)'
+ _VALID_URL = r'https?://www\.youtube\.com/feed/recommended|:ytrec(?:ommended)?'
+ _FEED_NAME = 'recommended'
+ _PLAYLIST_TITLE = u'Youtube Recommended videos'
projects / youtube-dl / blobdiff