youtube-dl

Another place where youtube-dl lives on
git clone git://git.oshgnacknak.de/youtube-dl.git
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limelight.py (14889B)


      1 # coding: utf-8
      2 from __future__ import unicode_literals
      3 
      4 import re
      5 
      6 from .common import InfoExtractor
      7 from ..compat import compat_HTTPError
      8 from ..utils import (
      9     determine_ext,
     10     float_or_none,
     11     int_or_none,
     12     smuggle_url,
     13     try_get,
     14     unsmuggle_url,
     15     ExtractorError,
     16 )
     17 
     18 
     19 class LimelightBaseIE(InfoExtractor):
     20     _PLAYLIST_SERVICE_URL = 'http://production-ps.lvp.llnw.net/r/PlaylistService/%s/%s/%s'
     21 
     22     @classmethod
     23     def _extract_urls(cls, webpage, source_url):
     24         lm = {
     25             'Media': 'media',
     26             'Channel': 'channel',
     27             'ChannelList': 'channel_list',
     28         }
     29 
     30         def smuggle(url):
     31             return smuggle_url(url, {'source_url': source_url})
     32 
     33         entries = []
     34         for kind, video_id in re.findall(
     35                 r'LimelightPlayer\.doLoad(Media|Channel|ChannelList)\(["\'](?P<id>[a-z0-9]{32})',
     36                 webpage):
     37             entries.append(cls.url_result(
     38                 smuggle('limelight:%s:%s' % (lm[kind], video_id)),
     39                 'Limelight%s' % kind, video_id))
     40         for mobj in re.finditer(
     41                 # As per [1] class attribute should be exactly equal to
     42                 # LimelightEmbeddedPlayerFlash but numerous examples seen
     43                 # that don't exactly match it (e.g. [2]).
     44                 # 1. http://support.3playmedia.com/hc/en-us/articles/227732408-Limelight-Embedding-the-Captions-Plugin-with-the-Limelight-Player-on-Your-Webpage
     45                 # 2. http://www.sedona.com/FacilitatorTraining2017
     46                 r'''(?sx)
     47                     <object[^>]+class=(["\'])(?:(?!\1).)*\bLimelightEmbeddedPlayerFlash\b(?:(?!\1).)*\1[^>]*>.*?
     48                         <param[^>]+
     49                             name=(["\'])flashVars\2[^>]+
     50                             value=(["\'])(?:(?!\3).)*(?P<kind>media|channel(?:List)?)Id=(?P<id>[a-z0-9]{32})
     51                 ''', webpage):
     52             kind, video_id = mobj.group('kind'), mobj.group('id')
     53             entries.append(cls.url_result(
     54                 smuggle('limelight:%s:%s' % (kind, video_id)),
     55                 'Limelight%s' % kind.capitalize(), video_id))
     56         # http://support.3playmedia.com/hc/en-us/articles/115009517327-Limelight-Embedding-the-Audio-Description-Plugin-with-the-Limelight-Player-on-Your-Web-Page)
     57         for video_id in re.findall(
     58                 r'(?s)LimelightPlayerUtil\.embed\s*\(\s*{.*?\bmediaId["\']\s*:\s*["\'](?P<id>[a-z0-9]{32})',
     59                 webpage):
     60             entries.append(cls.url_result(
     61                 smuggle('limelight:media:%s' % video_id),
     62                 LimelightMediaIE.ie_key(), video_id))
     63         return entries
     64 
     65     def _call_playlist_service(self, item_id, method, fatal=True, referer=None):
     66         headers = {}
     67         if referer:
     68             headers['Referer'] = referer
     69         try:
     70             return self._download_json(
     71                 self._PLAYLIST_SERVICE_URL % (self._PLAYLIST_SERVICE_PATH, item_id, method),
     72                 item_id, 'Downloading PlaylistService %s JSON' % method,
     73                 fatal=fatal, headers=headers)
     74         except ExtractorError as e:
     75             if isinstance(e.cause, compat_HTTPError) and e.cause.code == 403:
     76                 error = self._parse_json(e.cause.read().decode(), item_id)['detail']['contentAccessPermission']
     77                 if error == 'CountryDisabled':
     78                     self.raise_geo_restricted()
     79                 raise ExtractorError(error, expected=True)
     80             raise
     81 
     82     def _extract(self, item_id, pc_method, mobile_method, referer=None):
     83         pc = self._call_playlist_service(item_id, pc_method, referer=referer)
     84         mobile = self._call_playlist_service(
     85             item_id, mobile_method, fatal=False, referer=referer)
     86         return pc, mobile
     87 
     88     def _extract_info(self, pc, mobile, i, referer):
     89         get_item = lambda x, y: try_get(x, lambda x: x[y][i], dict) or {}
     90         pc_item = get_item(pc, 'playlistItems')
     91         mobile_item = get_item(mobile, 'mediaList')
     92         video_id = pc_item.get('mediaId') or mobile_item['mediaId']
     93         title = pc_item.get('title') or mobile_item['title']
     94 
     95         formats = []
     96         urls = []
     97         for stream in pc_item.get('streams', []):
     98             stream_url = stream.get('url')
     99             if not stream_url or stream.get('drmProtected') or stream_url in urls:
    100                 continue
    101             urls.append(stream_url)
    102             ext = determine_ext(stream_url)
    103             if ext == 'f4m':
    104                 formats.extend(self._extract_f4m_formats(
    105                     stream_url, video_id, f4m_id='hds', fatal=False))
    106             else:
    107                 fmt = {
    108                     'url': stream_url,
    109                     'abr': float_or_none(stream.get('audioBitRate')),
    110                     'fps': float_or_none(stream.get('videoFrameRate')),
    111                     'ext': ext,
    112                 }
    113                 width = int_or_none(stream.get('videoWidthInPixels'))
    114                 height = int_or_none(stream.get('videoHeightInPixels'))
    115                 vbr = float_or_none(stream.get('videoBitRate'))
    116                 if width or height or vbr:
    117                     fmt.update({
    118                         'width': width,
    119                         'height': height,
    120                         'vbr': vbr,
    121                     })
    122                 else:
    123                     fmt['vcodec'] = 'none'
    124                 rtmp = re.search(r'^(?P<url>rtmpe?://(?P<host>[^/]+)/(?P<app>.+))/(?P<playpath>mp[34]:.+)$', stream_url)
    125                 if rtmp:
    126                     format_id = 'rtmp'
    127                     if stream.get('videoBitRate'):
    128                         format_id += '-%d' % int_or_none(stream['videoBitRate'])
    129                     http_format_id = format_id.replace('rtmp', 'http')
    130 
    131                     CDN_HOSTS = (
    132                         ('delvenetworks.com', 'cpl.delvenetworks.com'),
    133                         ('video.llnw.net', 's2.content.video.llnw.net'),
    134                     )
    135                     for cdn_host, http_host in CDN_HOSTS:
    136                         if cdn_host not in rtmp.group('host').lower():
    137                             continue
    138                         http_url = 'http://%s/%s' % (http_host, rtmp.group('playpath')[4:])
    139                         urls.append(http_url)
    140                         if self._is_valid_url(http_url, video_id, http_format_id):
    141                             http_fmt = fmt.copy()
    142                             http_fmt.update({
    143                                 'url': http_url,
    144                                 'format_id': http_format_id,
    145                             })
    146                             formats.append(http_fmt)
    147                             break
    148 
    149                     fmt.update({
    150                         'url': rtmp.group('url'),
    151                         'play_path': rtmp.group('playpath'),
    152                         'app': rtmp.group('app'),
    153                         'ext': 'flv',
    154                         'format_id': format_id,
    155                     })
    156                 formats.append(fmt)
    157 
    158         for mobile_url in mobile_item.get('mobileUrls', []):
    159             media_url = mobile_url.get('mobileUrl')
    160             format_id = mobile_url.get('targetMediaPlatform')
    161             if not media_url or format_id in ('Widevine', 'SmoothStreaming') or media_url in urls:
    162                 continue
    163             urls.append(media_url)
    164             ext = determine_ext(media_url)
    165             if ext == 'm3u8':
    166                 formats.extend(self._extract_m3u8_formats(
    167                     media_url, video_id, 'mp4', 'm3u8_native',
    168                     m3u8_id=format_id, fatal=False))
    169             elif ext == 'f4m':
    170                 formats.extend(self._extract_f4m_formats(
    171                     stream_url, video_id, f4m_id=format_id, fatal=False))
    172             else:
    173                 formats.append({
    174                     'url': media_url,
    175                     'format_id': format_id,
    176                     'preference': -1,
    177                     'ext': ext,
    178                 })
    179 
    180         self._sort_formats(formats)
    181 
    182         subtitles = {}
    183         for flag in mobile_item.get('flags'):
    184             if flag == 'ClosedCaptions':
    185                 closed_captions = self._call_playlist_service(
    186                     video_id, 'getClosedCaptionsDetailsByMediaId',
    187                     False, referer) or []
    188                 for cc in closed_captions:
    189                     cc_url = cc.get('webvttFileUrl')
    190                     if not cc_url:
    191                         continue
    192                     lang = cc.get('languageCode') or self._search_regex(r'/[a-z]{2}\.vtt', cc_url, 'lang', default='en')
    193                     subtitles.setdefault(lang, []).append({
    194                         'url': cc_url,
    195                     })
    196                 break
    197 
    198         get_meta = lambda x: pc_item.get(x) or mobile_item.get(x)
    199 
    200         return {
    201             'id': video_id,
    202             'title': title,
    203             'description': get_meta('description'),
    204             'formats': formats,
    205             'duration': float_or_none(get_meta('durationInMilliseconds'), 1000),
    206             'thumbnail': get_meta('previewImageUrl') or get_meta('thumbnailImageUrl'),
    207             'subtitles': subtitles,
    208         }
    209 
    210 
    211 class LimelightMediaIE(LimelightBaseIE):
    212     IE_NAME = 'limelight'
    213     _VALID_URL = r'''(?x)
    214                         (?:
    215                             limelight:media:|
    216                             https?://
    217                                 (?:
    218                                     link\.videoplatform\.limelight\.com/media/|
    219                                     assets\.delvenetworks\.com/player/loader\.swf
    220                                 )
    221                                 \?.*?\bmediaId=
    222                         )
    223                         (?P<id>[a-z0-9]{32})
    224                     '''
    225     _TESTS = [{
    226         'url': 'http://link.videoplatform.limelight.com/media/?mediaId=3ffd040b522b4485b6d84effc750cd86',
    227         'info_dict': {
    228             'id': '3ffd040b522b4485b6d84effc750cd86',
    229             'ext': 'mp4',
    230             'title': 'HaP and the HB Prince Trailer',
    231             'description': 'md5:8005b944181778e313d95c1237ddb640',
    232             'thumbnail': r're:^https?://.*\.jpeg$',
    233             'duration': 144.23,
    234         },
    235         'params': {
    236             # m3u8 download
    237             'skip_download': True,
    238         },
    239     }, {
    240         # video with subtitles
    241         'url': 'limelight:media:a3e00274d4564ec4a9b29b9466432335',
    242         'md5': '2fa3bad9ac321e23860ca23bc2c69e3d',
    243         'info_dict': {
    244             'id': 'a3e00274d4564ec4a9b29b9466432335',
    245             'ext': 'mp4',
    246             'title': '3Play Media Overview Video',
    247             'thumbnail': r're:^https?://.*\.jpeg$',
    248             'duration': 78.101,
    249             # TODO: extract all languages that were accessible via API
    250             # 'subtitles': 'mincount:9',
    251             'subtitles': 'mincount:1',
    252         },
    253     }, {
    254         'url': 'https://assets.delvenetworks.com/player/loader.swf?mediaId=8018a574f08d416e95ceaccae4ba0452',
    255         'only_matching': True,
    256     }]
    257     _PLAYLIST_SERVICE_PATH = 'media'
    258 
    259     def _real_extract(self, url):
    260         url, smuggled_data = unsmuggle_url(url, {})
    261         video_id = self._match_id(url)
    262         source_url = smuggled_data.get('source_url')
    263         self._initialize_geo_bypass({
    264             'countries': smuggled_data.get('geo_countries'),
    265         })
    266 
    267         pc, mobile = self._extract(
    268             video_id, 'getPlaylistByMediaId',
    269             'getMobilePlaylistByMediaId', source_url)
    270 
    271         return self._extract_info(pc, mobile, 0, source_url)
    272 
    273 
    274 class LimelightChannelIE(LimelightBaseIE):
    275     IE_NAME = 'limelight:channel'
    276     _VALID_URL = r'''(?x)
    277                         (?:
    278                             limelight:channel:|
    279                             https?://
    280                                 (?:
    281                                     link\.videoplatform\.limelight\.com/media/|
    282                                     assets\.delvenetworks\.com/player/loader\.swf
    283                                 )
    284                                 \?.*?\bchannelId=
    285                         )
    286                         (?P<id>[a-z0-9]{32})
    287                     '''
    288     _TESTS = [{
    289         'url': 'http://link.videoplatform.limelight.com/media/?channelId=ab6a524c379342f9b23642917020c082',
    290         'info_dict': {
    291             'id': 'ab6a524c379342f9b23642917020c082',
    292             'title': 'Javascript Sample Code',
    293             'description': 'Javascript Sample Code - http://www.delvenetworks.com/sample-code/playerCode-demo.html',
    294         },
    295         'playlist_mincount': 3,
    296     }, {
    297         'url': 'http://assets.delvenetworks.com/player/loader.swf?channelId=ab6a524c379342f9b23642917020c082',
    298         'only_matching': True,
    299     }]
    300     _PLAYLIST_SERVICE_PATH = 'channel'
    301 
    302     def _real_extract(self, url):
    303         url, smuggled_data = unsmuggle_url(url, {})
    304         channel_id = self._match_id(url)
    305         source_url = smuggled_data.get('source_url')
    306 
    307         pc, mobile = self._extract(
    308             channel_id, 'getPlaylistByChannelId',
    309             'getMobilePlaylistWithNItemsByChannelId?begin=0&count=-1',
    310             source_url)
    311 
    312         entries = [
    313             self._extract_info(pc, mobile, i, source_url)
    314             for i in range(len(pc['playlistItems']))]
    315 
    316         return self.playlist_result(
    317             entries, channel_id, pc.get('title'), mobile.get('description'))
    318 
    319 
    320 class LimelightChannelListIE(LimelightBaseIE):
    321     IE_NAME = 'limelight:channel_list'
    322     _VALID_URL = r'''(?x)
    323                         (?:
    324                             limelight:channel_list:|
    325                             https?://
    326                                 (?:
    327                                     link\.videoplatform\.limelight\.com/media/|
    328                                     assets\.delvenetworks\.com/player/loader\.swf
    329                                 )
    330                                 \?.*?\bchannelListId=
    331                         )
    332                         (?P<id>[a-z0-9]{32})
    333                     '''
    334     _TESTS = [{
    335         'url': 'http://link.videoplatform.limelight.com/media/?channelListId=301b117890c4465c8179ede21fd92e2b',
    336         'info_dict': {
    337             'id': '301b117890c4465c8179ede21fd92e2b',
    338             'title': 'Website - Hero Player',
    339         },
    340         'playlist_mincount': 2,
    341     }, {
    342         'url': 'https://assets.delvenetworks.com/player/loader.swf?channelListId=301b117890c4465c8179ede21fd92e2b',
    343         'only_matching': True,
    344     }]
    345     _PLAYLIST_SERVICE_PATH = 'channel_list'
    346 
    347     def _real_extract(self, url):
    348         channel_list_id = self._match_id(url)
    349 
    350         channel_list = self._call_playlist_service(
    351             channel_list_id, 'getMobileChannelListById')
    352 
    353         entries = [
    354             self.url_result('limelight:channel:%s' % channel['id'], 'LimelightChannel')
    355             for channel in channel_list['channelList']]
    356 
    357         return self.playlist_result(
    358             entries, channel_list_id, channel_list['title'])