_ Git - youtube-dl/blob - youtube_dl/extractor/brightcove.py

   1 # encoding: utf-8
   2 from __future__ import unicode_literals
   3
   4 import re
   5 import json
   6 import xml.etree.ElementTree
   7
   8 from .common import InfoExtractor
   9 from ..compat import (
  10     compat_parse_qs,
  11     compat_str,
  12     compat_urllib_parse,
  13     compat_urllib_parse_urlparse,
  14     compat_urllib_request,
  15     compat_urlparse,
  16 )
  17 from ..utils import (
  18     determine_ext,
  19     ExtractorError,
  20     find_xpath_attr,
  21     fix_xml_ampersands,
  22     unescapeHTML,
  23     unsmuggle_url,
  24 )
  25
  26
  27 class BrightcoveIE(InfoExtractor):
  28     _VALID_URL = r'(?:https?://.*brightcove\.com/(services|viewer).*?\?|brightcove:)(?P<query>.*)'
  29     _FEDERATED_URL_TEMPLATE = 'http://c.brightcove.com/services/viewer/htmlFederated?%s'
  30
  31     _TESTS = [
  32         {
  33             # From http://www.8tv.cat/8aldia/videos/xavier-sala-i-martin-aquesta-tarda-a-8-al-dia/
  34             'url': 'http://c.brightcove.com/services/viewer/htmlFederated?playerID=1654948606001&flashID=myExperience&%40videoPlayer=2371591881001',
  35             'md5': '5423e113865d26e40624dce2e4b45d95',
  36             'note': 'Test Brightcove downloads and detection in GenericIE',
  37             'info_dict': {
  38                 'id': '2371591881001',
  39                 'ext': 'mp4',
  40                 'title': 'Xavier Sala i Martín: “Un banc que no presta és un banc zombi que no serveix per a res”',
  41                 'uploader': '8TV',
  42                 'description': 'md5:a950cc4285c43e44d763d036710cd9cd',
  43             }
  44         },
  45         {
  46             # From http://medianetwork.oracle.com/video/player/1785452137001
  47             'url': 'http://c.brightcove.com/services/viewer/htmlFederated?playerID=1217746023001&flashID=myPlayer&%40videoPlayer=1785452137001',
  48             'info_dict': {
  49                 'id': '1785452137001',
  50                 'ext': 'flv',
  51                 'title': 'JVMLS 2012: Arrays 2.0 - Opportunities and Challenges',
  52                 'description': 'John Rose speaks at the JVM Language Summit, August 1, 2012.',
  53                 'uploader': 'Oracle',
  54             },
  55         },
  56         {
  57             # From http://mashable.com/2013/10/26/thermoelectric-bracelet-lets-you-control-your-body-temperature/
  58             'url': 'http://c.brightcove.com/services/viewer/federated_f9?&playerID=1265504713001&publisherID=AQ%7E%7E%2CAAABBzUwv1E%7E%2CxP-xFHVUstiMFlNYfvF4G9yFnNaqCw_9&videoID=2750934548001',
  59             'info_dict': {
  60                 'id': '2750934548001',
  61                 'ext': 'mp4',
  62                 'title': 'This Bracelet Acts as a Personal Thermostat',
  63                 'description': 'md5:547b78c64f4112766ccf4e151c20b6a0',
  64                 'uploader': 'Mashable',
  65             },
  66         },
  67         {
  68             # test that the default referer works
  69             # from http://national.ballet.ca/interact/video/Lost_in_Motion_II/
  70             'url': 'http://link.brightcove.com/services/player/bcpid756015033001?bckey=AQ~~,AAAApYJi_Ck~,GxhXCegT1Dp39ilhXuxMJxasUhVNZiil&bctid=2878862109001',
  71             'info_dict': {
  72                 'id': '2878862109001',
  73                 'ext': 'mp4',
  74                 'title': 'Lost in Motion II',
  75                 'description': 'md5:363109c02998fee92ec02211bd8000df',
  76                 'uploader': 'National Ballet of Canada',
  77             },
  78         },
  79         {
  80             # test flv videos served by akamaihd.net
  81             # From http://www.redbull.com/en/bike/stories/1331655643987/replay-uci-dh-world-cup-2014-from-fort-william
  82             'url': 'http://c.brightcove.com/services/viewer/htmlFederated?%40videoPlayer=ref%3ABC2996102916001&linkBaseURL=http%3A%2F%2Fwww.redbull.com%2Fen%2Fbike%2Fvideos%2F1331655630249%2Freplay-uci-fort-william-2014-dh&playerKey=AQ%7E%7E%2CAAAApYJ7UqE%7E%2Cxqr_zXk0I-zzNndy8NlHogrCb5QdyZRf&playerID=1398061561001#__youtubedl_smuggle=%7B%22Referer%22%3A+%22http%3A%2F%2Fwww.redbull.com%2Fen%2Fbike%2Fstories%2F1331655643987%2Freplay-uci-dh-world-cup-2014-from-fort-william%22%7D',
  83             # The md5 checksum changes on each download
  84             'info_dict': {
  85                 'id': '2996102916001',
  86                 'ext': 'flv',
  87                 'title': 'UCI MTB World Cup 2014: Fort William, UK - Downhill Finals',
  88                 'uploader': 'Red Bull TV',
  89                 'description': 'UCI MTB World Cup 2014: Fort William, UK - Downhill Finals',
  90             },
  91         },
  92         {
  93             # playlist test
  94             # from http://support.brightcove.com/en/video-cloud/docs/playlist-support-single-video-players
  95             'url': 'http://c.brightcove.com/services/viewer/htmlFederated?playerID=3550052898001&playerKey=AQ%7E%7E%2CAAABmA9XpXk%7E%2C-Kp7jNgisre1fG5OdqpAFUTcs0lP_ZoL',
  96             'info_dict': {
  97                 'title': 'Sealife',
  98                 'id': '3550319591001',
  99             },
 100             'playlist_mincount': 7,
 101         },
 102     ]
 103
 104     @classmethod
 105     def _build_brighcove_url(cls, object_str):
 106         """
 107         Build a Brightcove url from a xml string containing
 108         <object class="BrightcoveExperience">{params}</object>
 109         """
 110
 111         # Fix up some stupid HTML, see https://github.com/rg3/youtube-dl/issues/1553
 112         object_str = re.sub(r'(<param(?:\s+[a-zA-Z0-9_]+="[^"]*")*)>',
 113                             lambda m: m.group(1) + '/>', object_str)
 114         # Fix up some stupid XML, see https://github.com/rg3/youtube-dl/issues/1608
 115         object_str = object_str.replace('<--', '<!--')
 116         # remove namespace to simplify extraction
 117         object_str = re.sub(r'(<object[^>]*)(xmlns=".*?")', r'\1', object_str)
 118         object_str = fix_xml_ampersands(object_str)
 119
 120         try:
 121             object_doc = xml.etree.ElementTree.fromstring(object_str.encode('utf-8'))
 122         except xml.etree.ElementTree.ParseError:
 123             return
 124
 125         fv_el = find_xpath_attr(object_doc, './param', 'name', 'flashVars')
 126         if fv_el is not None:
 127             flashvars = dict(
 128                 (k, v[0])
 129                 for k, v in compat_parse_qs(fv_el.attrib['value']).items())
 130         else:
 131             flashvars = {}
 132
 133         def find_param(name):
 134             if name in flashvars:
 135                 return flashvars[name]
 136             node = find_xpath_attr(object_doc, './param', 'name', name)
 137             if node is not None:
 138                 return node.attrib['value']
 139             return None
 140
 141         params = {}
 142
 143         playerID = find_param('playerID')
 144         if playerID is None:
 145             raise ExtractorError('Cannot find player ID')
 146         params['playerID'] = playerID
 147
 148         playerKey = find_param('playerKey')
 149         # Not all pages define this value
 150         if playerKey is not None:
 151             params['playerKey'] = playerKey
 152         # The three fields hold the id of the video
 153         videoPlayer = find_param('@videoPlayer') or find_param('videoId') or find_param('videoID')
 154         if videoPlayer is not None:
 155             params['@videoPlayer'] = videoPlayer
 156         linkBase = find_param('linkBaseURL')
 157         if linkBase is not None:
 158             params['linkBaseURL'] = linkBase
 159         return cls._make_brightcove_url(params)
 160
 161     @classmethod
 162     def _build_brighcove_url_from_js(cls, object_js):
 163         # The layout of JS is as follows:
 164         # customBC.createVideo = function (width, height, playerID, playerKey, videoPlayer, VideoRandomID) {
 165         #   // build Brightcove <object /> XML
 166         # }
 167         m = re.search(
 168             r'''(?x)customBC.\createVideo\(
 169                 .*?                                                  # skipping width and height
 170                 ["\'](?P<playerID>\d+)["\']\s*,\s*                   # playerID
 171                 ["\'](?P<playerKey>AQ[^"\']{48})[^"\']*["\']\s*,\s*  # playerKey begins with AQ and is 50 characters
 172                                                                      # in length, however it's appended to itself
 173                                                                      # in places, so truncate
 174                 ["\'](?P<videoID>\d+)["\']                           # @videoPlayer
 175             ''', object_js)
 176         if m:
 177             return cls._make_brightcove_url(m.groupdict())
 178
 179     @classmethod
 180     def _make_brightcove_url(cls, params):
 181         data = compat_urllib_parse.urlencode(params)
 182         return cls._FEDERATED_URL_TEMPLATE % data
 183
 184     @classmethod
 185     def _extract_brightcove_url(cls, webpage):
 186         """Try to extract the brightcove url from the webpage, returns None
 187         if it can't be found
 188         """
 189         urls = cls._extract_brightcove_urls(webpage)
 190         return urls[0] if urls else None
 191
 192     @classmethod
 193     def _extract_brightcove_urls(cls, webpage):
 194         """Return a list of all Brightcove URLs from the webpage """
 195
 196         url_m = re.search(
 197             r'<meta\s+property=[\'"]og:video[\'"]\s+content=[\'"](https?://(?:secure|c)\.brightcove.com/[^\'"]+)[\'"]',
 198             webpage)
 199         if url_m:
 200             url = unescapeHTML(url_m.group(1))
 201             # Some sites don't add it, we can't download with this url, for example:
 202             # http://www.ktvu.com/videos/news/raw-video-caltrain-releases-video-of-man-almost/vCTZdY/
 203             if 'playerKey' in url or 'videoId' in url:
 204                 return [url]
 205
 206         matches = re.findall(
 207             r'''(?sx)<object
 208             (?:
 209                 [^>]+?class=[\'"][^>]*?BrightcoveExperience.*?[\'"] |
 210                 [^>]*?>\s*<param\s+name="movie"\s+value="https?://[^/]*brightcove\.com/
 211             ).+?>\s*</object>''',
 212             webpage)
 213         if matches:
 214             return list(filter(None, [cls._build_brighcove_url(m) for m in matches]))
 215
 216         return list(filter(None, [
 217             cls._build_brighcove_url_from_js(custom_bc)
 218             for custom_bc in re.findall(r'(customBC\.createVideo\(.+?\);)', webpage)]))
 219
 220     def _real_extract(self, url):
 221         url, smuggled_data = unsmuggle_url(url, {})
 222
 223         # Change the 'videoId' and others field to '@videoPlayer'
 224         url = re.sub(r'(?<=[?&])(videoI(d|D)|bctid)', '%40videoPlayer', url)
 225         # Change bckey (used by bcove.me urls) to playerKey
 226         url = re.sub(r'(?<=[?&])bckey', 'playerKey', url)
 227         mobj = re.match(self._VALID_URL, url)
 228         query_str = mobj.group('query')
 229         query = compat_urlparse.parse_qs(query_str)
 230
 231         videoPlayer = query.get('@videoPlayer')
 232         if videoPlayer:
 233             # We set the original url as the default 'Referer' header
 234             referer = smuggled_data.get('Referer', url)
 235             return self._get_video_info(
 236                 videoPlayer[0], query_str, query, referer=referer)
 237         elif 'playerKey' in query:
 238             player_key = query['playerKey']
 239             return self._get_playlist_info(player_key[0])
 240         else:
 241             raise ExtractorError(
 242                 'Cannot find playerKey= variable. Did you forget quotes in a shell invocation?',
 243                 expected=True)
 244
 245     def _get_video_info(self, video_id, query_str, query, referer=None):
 246         request_url = self._FEDERATED_URL_TEMPLATE % query_str
 247         req = compat_urllib_request.Request(request_url)
 248         linkBase = query.get('linkBaseURL')
 249         if linkBase is not None:
 250             referer = linkBase[0]
 251         if referer is not None:
 252             req.add_header('Referer', referer)
 253         webpage = self._download_webpage(req, video_id)
 254
 255         error_msg = self._html_search_regex(
 256             r"<h1>We're sorry.</h1>([\s\n]*<p>.*?</p>)+", webpage,
 257             'error message', default=None)
 258         if error_msg is not None:
 259             raise ExtractorError(
 260                 'brightcove said: %s' % error_msg, expected=True)
 261
 262         self.report_extraction(video_id)
 263         info = self._search_regex(r'var experienceJSON = ({.*});', webpage, 'json')
 264         info = json.loads(info)['data']
 265         video_info = info['programmedContent']['videoPlayer']['mediaDTO']
 266         video_info['_youtubedl_adServerURL'] = info.get('adServerURL')
 267
 268         return self._extract_video_info(video_info)
 269
 270     def _get_playlist_info(self, player_key):
 271         info_url = 'http://c.brightcove.com/services/json/experience/runtime/?command=get_programming_for_experience&playerKey=%s' % player_key
 272         playlist_info = self._download_webpage(
 273             info_url, player_key, 'Downloading playlist information')
 274
 275         json_data = json.loads(playlist_info)
 276         if 'videoList' not in json_data:
 277             raise ExtractorError('Empty playlist')
 278         playlist_info = json_data['videoList']
 279         videos = [self._extract_video_info(video_info) for video_info in playlist_info['mediaCollectionDTO']['videoDTOs']]
 280
 281         return self.playlist_result(videos, playlist_id='%s' % playlist_info['id'],
 282                                     playlist_title=playlist_info['mediaCollectionDTO']['displayName'])
 283
 284     def _extract_video_info(self, video_info):
 285         info = {
 286             'id': compat_str(video_info['id']),
 287             'title': video_info['displayName'].strip(),
 288             'description': video_info.get('shortDescription'),
 289             'thumbnail': video_info.get('videoStillURL') or video_info.get('thumbnailURL'),
 290             'uploader': video_info.get('publisherName'),
 291         }
 292
 293         renditions = video_info.get('renditions')
 294         if renditions:
 295             formats = []
 296             for rend in renditions:
 297                 url = rend['defaultURL']
 298                 if not url:
 299                     continue
 300                 ext = None
 301                 if rend['remote']:
 302                     url_comp = compat_urllib_parse_urlparse(url)
 303                     if url_comp.path.endswith('.m3u8'):
 304                         formats.extend(
 305                             self._extract_m3u8_formats(url, info['id'], 'mp4'))
 306                         continue
 307                     elif 'akamaihd.net' in url_comp.netloc:
 308                         # This type of renditions are served through
 309                         # akamaihd.net, but they don't use f4m manifests
 310                         url = url.replace('control/', '') + '?&v=3.3.0&fp=13&r=FEEFJ&g=RTSJIMBMPFPB'
 311                         ext = 'flv'
 312                 if ext is None:
 313                     ext = determine_ext(url)
 314                 size = rend.get('size')
 315                 formats.append({
 316                     'url': url,
 317                     'ext': ext,
 318                     'height': rend.get('frameHeight'),
 319                     'width': rend.get('frameWidth'),
 320                     'filesize': size if size != 0 else None,
 321                 })
 322             self._sort_formats(formats)
 323             info['formats'] = formats
 324         elif video_info.get('FLVFullLengthURL') is not None:
 325             info.update({
 326                 'url': video_info['FLVFullLengthURL'],
 327             })
 328
 329         if self._downloader.params.get('include_ads', False):
 330             adServerURL = video_info.get('_youtubedl_adServerURL')
 331             if adServerURL:
 332                 ad_info = {
 333                     '_type': 'url',
 334                     'url': adServerURL,
 335                 }
 336                 if 'url' in info:
 337                     return {
 338                         '_type': 'playlist',
 339                         'title': info['title'],
 340                         'entries': [ad_info, info],
 341                     }
 342                 else:
 343                     return ad_info
 344
 345         if 'url' not in info and not info.get('formats'):
 346             raise ExtractorError('Unable to extract video url for %s' % info['id'])
 347         return info