yt_dlp/extractor/facebook.py

   1 import json
   2 import re
   3 import urllib.parse
   4
   5 from .common import InfoExtractor
   6 from ..compat import (
   7     compat_etree_fromstring,
   8     compat_str,
   9     compat_urllib_parse_unquote,
  10 )
  11 from ..utils import (
  12     ExtractorError,
  13     clean_html,
  14     determine_ext,
  15     error_to_compat_str,
  16     float_or_none,
  17     get_element_by_id,
  18     get_first,
  19     int_or_none,
  20     js_to_json,
  21     merge_dicts,
  22     network_exceptions,
  23     parse_count,
  24     parse_qs,
  25     qualities,
  26     sanitized_Request,
  27     traverse_obj,
  28     try_get,
  29     url_or_none,
  30     urlencode_postdata,
  31     urljoin,
  32     variadic,
  33 )
  34
  35
  36 class FacebookIE(InfoExtractor):
  37     _VALID_URL = r'''(?x)
  38                 (?:
  39                     https?://
  40                         (?:[\w-]+\.)?(?:facebook\.com|facebookwkhpilnemxj7asaniu7vnjjbiltxjqhye3mhbshg7kx5tfyd\.onion)/
  41                         (?:[^#]*?\#!/)?
  42                         (?:
  43                             (?:
  44                                 video/video\.php|
  45                                 photo\.php|
  46                                 video\.php|
  47                                 video/embed|
  48                                 story\.php|
  49                                 watch(?:/live)?/?
  50                             )\?(?:.*?)(?:v|video_id|story_fbid)=|
  51                             [^/]+/videos/(?:[^/]+/)?|
  52                             [^/]+/posts/|
  53                             groups/[^/]+/permalink/|
  54                             watchparty/
  55                         )|
  56                     facebook:
  57                 )
  58                 (?P<id>[0-9]+)
  59                 '''
  60     _LOGIN_URL = 'https://www.facebook.com/login.php?next=http%3A%2F%2Ffacebook.com%2Fhome.php&login_attempt=1'
  61     _CHECKPOINT_URL = 'https://www.facebook.com/checkpoint/?next=http%3A%2F%2Ffacebook.com%2Fhome.php&_fb_noscript=1'
  62     _NETRC_MACHINE = 'facebook'
  63     IE_NAME = 'facebook'
  64
  65     _VIDEO_PAGE_TEMPLATE = 'https://www.facebook.com/video/video.php?v=%s'
  66     _VIDEO_PAGE_TAHOE_TEMPLATE = 'https://www.facebook.com/video/tahoe/async/%s/?chain=true&isvideo=true&payloadtype=primary'
  67
  68     _TESTS = [{
  69         'url': 'https://www.facebook.com/video.php?v=637842556329505&fref=nf',
  70         'md5': '6a40d33c0eccbb1af76cf0485a052659',
  71         'info_dict': {
  72             'id': '637842556329505',
  73             'ext': 'mp4',
  74             'title': 're:Did you know Kei Nishikori is the first Asian man to ever reach a Grand Slam',
  75             'uploader': 'Tennis on Facebook',
  76             'upload_date': '20140908',
  77             'timestamp': 1410199200,
  78         },
  79         'skip': 'Requires logging in',
  80     }, {
  81         # data.video
  82         'url': 'https://www.facebook.com/video.php?v=274175099429670',
  83         'info_dict': {
  84             'id': '274175099429670',
  85             'ext': 'mp4',
  86             'title': 'Asif Nawab Butt',
  87             'description': 'Asif Nawab Butt',
  88             'uploader': 'Asif Nawab Butt',
  89             'upload_date': '20140506',
  90             'timestamp': 1399398998,
  91             'thumbnail': r're:^https?://.*',
  92         },
  93         'expected_warnings': [
  94             'title'
  95         ]
  96     }, {
  97         'note': 'Video with DASH manifest',
  98         'url': 'https://www.facebook.com/video.php?v=957955867617029',
  99         'md5': 'b2c28d528273b323abe5c6ab59f0f030',
 100         'info_dict': {
 101             'id': '957955867617029',
 102             'ext': 'mp4',
 103             'title': 'When you post epic content on instagram.com/433 8 million followers, this is ...',
 104             'uploader': 'Demy de Zeeuw',
 105             'upload_date': '20160110',
 106             'timestamp': 1452431627,
 107         },
 108         'skip': 'Requires logging in',
 109     }, {
 110         'url': 'https://www.facebook.com/maxlayn/posts/10153807558977570',
 111         'md5': '037b1fa7f3c2d02b7a0d7bc16031ecc6',
 112         'info_dict': {
 113             'id': '544765982287235',
 114             'ext': 'mp4',
 115             'title': '"What are you doing running in the snow?"',
 116             'uploader': 'FailArmy',
 117         },
 118         'skip': 'Video gone',
 119     }, {
 120         'url': 'https://m.facebook.com/story.php?story_fbid=1035862816472149&id=116132035111903',
 121         'md5': '1deb90b6ac27f7efcf6d747c8a27f5e3',
 122         'info_dict': {
 123             'id': '1035862816472149',
 124             'ext': 'mp4',
 125             'title': 'What the Flock Is Going On In New Zealand  Credit: ViralHog',
 126             'uploader': 'S. Saint',
 127         },
 128         'skip': 'Video gone',
 129     }, {
 130         'note': 'swf params escaped',
 131         'url': 'https://www.facebook.com/barackobama/posts/10153664894881749',
 132         'md5': '97ba073838964d12c70566e0085c2b91',
 133         'info_dict': {
 134             'id': '10153664894881749',
 135             'ext': 'mp4',
 136             'title': 'Average time to confirm recent Supreme Court nominees: 67 days Longest it\'s t...',
 137             'thumbnail': r're:^https?://.*',
 138             'timestamp': 1456259628,
 139             'upload_date': '20160223',
 140             'uploader': 'Barack Obama',
 141         },
 142         'skip': 'Gif on giphy.com gone',
 143     }, {
 144         # have 1080P, but only up to 720p in swf params
 145         # data.video.story.attachments[].media
 146         'url': 'https://www.facebook.com/cnn/videos/10155529876156509/',
 147         'md5': '3f3798adb2b73423263e59376f1f5eb7',
 148         'info_dict': {
 149             'id': '10155529876156509',
 150             'ext': 'mp4',
 151             'title': 'Holocaust survivor becomes US citizen',
 152             'description': 'She survived the holocaust — and years later, she’s getting her citizenship so she can vote for Hillary Clinton http://cnn.it/2eERh5f',
 153             'timestamp': 1477818095,
 154             'upload_date': '20161030',
 155             'uploader': 'CNN',
 156             'thumbnail': r're:^https?://.*',
 157             'view_count': int,
 158         },
 159     }, {
 160         # bigPipe.onPageletArrive ... onPageletArrive pagelet_group_mall
 161         # data.node.comet_sections.content.story.attachments[].style_type_renderer.attachment.media
 162         'url': 'https://www.facebook.com/yaroslav.korpan/videos/1417995061575415/',
 163         'info_dict': {
 164             'id': '1417995061575415',
 165             'ext': 'mp4',
 166             'title': 'Ukrainian Scientists Worldwide | Довгоочікуване відео',
 167             'description': 'Довгоочікуване відео',
 168             'timestamp': 1486648771,
 169             'upload_date': '20170209',
 170             'uploader': 'Yaroslav Korpan',
 171             'uploader_id': '100000948048708',
 172         },
 173         'params': {
 174             'skip_download': True,
 175         },
 176     }, {
 177         # FIXME
 178         'url': 'https://www.facebook.com/LaGuiaDelVaron/posts/1072691702860471',
 179         'info_dict': {
 180             'id': '1072691702860471',
 181             'ext': 'mp4',
 182             'title': 'md5:ae2d22a93fbb12dad20dc393a869739d',
 183             'timestamp': 1477305000,
 184             'upload_date': '20161024',
 185             'uploader': 'La Guía Del Varón',
 186             'thumbnail': r're:^https?://.*',
 187         },
 188         'params': {
 189             'skip_download': True,
 190         },
 191     }, {
 192         # data.node.comet_sections.content.story.attachments[].style_type_renderer.attachment.media
 193         'url': 'https://www.facebook.com/groups/1024490957622648/permalink/1396382447100162/',
 194         'info_dict': {
 195             'id': '202882990186699',
 196             'ext': 'mp4',
 197             'title': 'birb (O v O") | Hello? Yes your uber ride is here',
 198             'description': 'Hello? Yes your uber ride is here * Jukin Media Verified * Find this video and others like it by visiting...',
 199             'timestamp': 1486035513,
 200             'upload_date': '20170202',
 201             'uploader': 'Elisabeth Ahtn',
 202             'uploader_id': '100013949973717',
 203         },
 204         'params': {
 205             'skip_download': True,
 206         },
 207     }, {
 208         'url': 'https://www.facebook.com/video.php?v=10204634152394104',
 209         'only_matching': True,
 210     }, {
 211         'url': 'https://www.facebook.com/amogood/videos/1618742068337349/?fref=nf',
 212         'only_matching': True,
 213     }, {
 214         # data.mediaset.currMedia.edges
 215         'url': 'https://www.facebook.com/ChristyClarkForBC/videos/vb.22819070941/10153870694020942/?type=2&theater',
 216         'only_matching': True,
 217     }, {
 218         # data.video.story.attachments[].media
 219         'url': 'facebook:544765982287235',
 220         'only_matching': True,
 221     }, {
 222         # data.node.comet_sections.content.story.attachments[].style_type_renderer.attachment.media
 223         'url': 'https://www.facebook.com/groups/164828000315060/permalink/764967300301124/',
 224         'only_matching': True,
 225     }, {
 226         # data.video.creation_story.attachments[].media
 227         'url': 'https://zh-hk.facebook.com/peoplespower/videos/1135894589806027/',
 228         'only_matching': True,
 229     }, {
 230         # data.video
 231         'url': 'https://www.facebookwkhpilnemxj7asaniu7vnjjbiltxjqhye3mhbshg7kx5tfyd.onion/video.php?v=274175099429670',
 232         'only_matching': True,
 233     }, {
 234         # no title
 235         'url': 'https://www.facebook.com/onlycleverentertainment/videos/1947995502095005/',
 236         'only_matching': True,
 237     }, {
 238         # data.video
 239         'url': 'https://www.facebook.com/WatchESLOne/videos/359649331226507/',
 240         'info_dict': {
 241             'id': '359649331226507',
 242             'ext': 'mp4',
 243             'title': 'Fnatic vs. EG - Group A - Opening Match - ESL One Birmingham Day 1',
 244             'description': '#ESLOne VoD - Birmingham Finals Day#1 Fnatic vs. @Evil Geniuses',
 245             'timestamp': 1527084179,
 246             'upload_date': '20180523',
 247             'uploader': 'ESL One Dota 2',
 248             'uploader_id': '234218833769558',
 249         },
 250         'params': {
 251             'skip_download': True,
 252         },
 253     }, {
 254         # data.node.comet_sections.content.story.attachments[].style_type_renderer.attachment.all_subattachments.nodes[].media
 255         'url': 'https://www.facebook.com/100033620354545/videos/106560053808006/',
 256         'info_dict': {
 257             'id': '106560053808006',
 258         },
 259         'playlist_count': 2,
 260     }, {
 261         # data.video.story.attachments[].media
 262         'url': 'https://www.facebook.com/watch/?v=647537299265662',
 263         'only_matching': True,
 264     }, {
 265         # FIXME: https://github.com/yt-dlp/yt-dlp/issues/542
 266         # data.node.comet_sections.content.story.attachments[].style_type_renderer.attachment.all_subattachments.nodes[].media
 267         'url': 'https://www.facebook.com/PankajShahLondon/posts/10157667649866271',
 268         'info_dict': {
 269             'id': '10157667649866271',
 270         },
 271         'playlist_count': 3,
 272     }, {
 273         # data.nodes[].comet_sections.content.story.attachments[].style_type_renderer.attachment.media
 274         'url': 'https://m.facebook.com/Alliance.Police.Department/posts/4048563708499330',
 275         'info_dict': {
 276             'id': '117576630041613',
 277             'ext': 'mp4',
 278             # TODO: title can be extracted from video page
 279             'title': 'Facebook video #117576630041613',
 280             'uploader_id': '189393014416438',
 281             'upload_date': '20201123',
 282             'timestamp': 1606162592,
 283         },
 284         'skip': 'Requires logging in',
 285     }, {
 286         # node.comet_sections.content.story.attached_story.attachments.style_type_renderer.attachment.media
 287         'url': 'https://www.facebook.com/groups/ateistiskselskab/permalink/10154930137678856/',
 288         'info_dict': {
 289             'id': '211567722618337',
 290             'ext': 'mp4',
 291             'title': 'Facebook video #211567722618337',
 292             'uploader_id': '127875227654254',
 293             'upload_date': '20161122',
 294             'timestamp': 1479793574,
 295         },
 296         'skip': 'No video',
 297     }, {
 298         # data.video.creation_story.attachments[].media
 299         'url': 'https://www.facebook.com/watch/live/?v=1823658634322275',
 300         'only_matching': True,
 301     }, {
 302         'url': 'https://www.facebook.com/watchparty/211641140192478',
 303         'info_dict': {
 304             'id': '211641140192478',
 305         },
 306         'playlist_count': 1,
 307         'skip': 'Requires logging in',
 308     }]
 309     _SUPPORTED_PAGLETS_REGEX = r'(?:pagelet_group_mall|permalink_video_pagelet|hyperfeed_story_id_[0-9a-f]+)'
 310     _api_config = {
 311         'graphURI': '/api/graphql/'
 312     }
 313
 314     @staticmethod
 315     def _extract_urls(webpage):
 316         urls = []
 317         for mobj in re.finditer(
 318                 r'<iframe[^>]+?src=(["\'])(?P<url>https?://www\.facebook\.com/(?:video/embed|plugins/video\.php).+?)\1',
 319                 webpage):
 320             urls.append(mobj.group('url'))
 321         # Facebook API embed
 322         # see https://developers.facebook.com/docs/plugins/embedded-video-player
 323         for mobj in re.finditer(r'''(?x)<div[^>]+
 324                 class=(?P<q1>[\'"])[^\'"]*\bfb-(?:video|post)\b[^\'"]*(?P=q1)[^>]+
 325                 data-href=(?P<q2>[\'"])(?P<url>(?:https?:)?//(?:www\.)?facebook.com/.+?)(?P=q2)''', webpage):
 326             urls.append(mobj.group('url'))
 327         return urls
 328
 329     def _perform_login(self, username, password):
 330         login_page_req = sanitized_Request(self._LOGIN_URL)
 331         self._set_cookie('facebook.com', 'locale', 'en_US')
 332         login_page = self._download_webpage(login_page_req, None,
 333                                             note='Downloading login page',
 334                                             errnote='Unable to download login page')
 335         lsd = self._search_regex(
 336             r'<input type="hidden" name="lsd" value="([^"]*)"',
 337             login_page, 'lsd')
 338         lgnrnd = self._search_regex(r'name="lgnrnd" value="([^"]*?)"', login_page, 'lgnrnd')
 339
 340         login_form = {
 341             'email': username,
 342             'pass': password,
 343             'lsd': lsd,
 344             'lgnrnd': lgnrnd,
 345             'next': 'http://facebook.com/home.php',
 346             'default_persistent': '0',
 347             'legacy_return': '1',
 348             'timezone': '-60',
 349             'trynum': '1',
 350         }
 351         request = sanitized_Request(self._LOGIN_URL, urlencode_postdata(login_form))
 352         request.add_header('Content-Type', 'application/x-www-form-urlencoded')
 353         try:
 354             login_results = self._download_webpage(request, None,
 355                                                    note='Logging in', errnote='unable to fetch login page')
 356             if re.search(r'<form(.*)name="login"(.*)</form>', login_results) is not None:
 357                 error = self._html_search_regex(
 358                     r'(?s)<div[^>]+class=(["\']).*?login_error_box.*?\1[^>]*><div[^>]*>.*?</div><div[^>]*>(?P<error>.+?)</div>',
 359                     login_results, 'login error', default=None, group='error')
 360                 if error:
 361                     raise ExtractorError('Unable to login: %s' % error, expected=True)
 362                 self.report_warning('unable to log in: bad username/password, or exceeded login rate limit (~3/min). Check credentials or wait.')
 363                 return
 364
 365             fb_dtsg = self._search_regex(
 366                 r'name="fb_dtsg" value="(.+?)"', login_results, 'fb_dtsg', default=None)
 367             h = self._search_regex(
 368                 r'name="h"\s+(?:\w+="[^"]+"\s+)*?value="([^"]+)"', login_results, 'h', default=None)
 369
 370             if not fb_dtsg or not h:
 371                 return
 372
 373             check_form = {
 374                 'fb_dtsg': fb_dtsg,
 375                 'h': h,
 376                 'name_action_selected': 'dont_save',
 377             }
 378             check_req = sanitized_Request(self._CHECKPOINT_URL, urlencode_postdata(check_form))
 379             check_req.add_header('Content-Type', 'application/x-www-form-urlencoded')
 380             check_response = self._download_webpage(check_req, None,
 381                                                     note='Confirming login')
 382             if re.search(r'id="checkpointSubmitButton"', check_response) is not None:
 383                 self.report_warning('Unable to confirm login, you have to login in your browser and authorize the login.')
 384         except network_exceptions as err:
 385             self.report_warning('unable to log in: %s' % error_to_compat_str(err))
 386             return
 387
 388     def _extract_from_url(self, url, video_id):
 389         webpage = self._download_webpage(
 390             url.replace('://m.facebook.com/', '://www.facebook.com/'), video_id)
 391
 392         def extract_metadata(webpage):
 393             post_data = [self._parse_json(j, video_id, fatal=False) for j in re.findall(
 394                 r'handleWithCustomApplyEach\(\s*ScheduledApplyEach\s*,\s*(\{.+?\})\s*\);', webpage)]
 395             post = traverse_obj(post_data, (
 396                 ..., 'require', ..., ..., ..., '__bbox', 'result', 'data'), expected_type=dict) or []
 397             media = traverse_obj(post, (..., 'attachments', ..., lambda k, v: (
 398                 k == 'media' and str(v['id']) == video_id and v['__typename'] == 'Video')), expected_type=dict)
 399             title = get_first(media, ('title', 'text'))
 400             description = get_first(media, ('creation_story', 'comet_sections', 'message', 'story', 'message', 'text'))
 401             uploader_data = get_first(media, 'owner') or get_first(post, ('node', 'actors', ...)) or {}
 402
 403             page_title = title or self._html_search_regex((
 404                 r'<h2\s+[^>]*class="uiHeaderTitle"[^>]*>(?P<content>[^<]*)</h2>',
 405                 r'(?s)<span class="fbPhotosPhotoCaption".*?id="fbPhotoPageCaption"><span class="hasCaption">(?P<content>.*?)</span>',
 406                 self._meta_regex('og:title'), self._meta_regex('twitter:title'), r'<title>(?P<content>.+?)</title>'
 407             ), webpage, 'title', default=None, group='content')
 408             description = description or self._html_search_meta(
 409                 ['description', 'og:description', 'twitter:description'],
 410                 webpage, 'description', default=None)
 411             uploader = uploader_data.get('name') or (
 412                 clean_html(get_element_by_id('fbPhotoPageAuthorName', webpage))
 413                 or self._search_regex(
 414                     (r'ownerName\s*:\s*"([^"]+)"', *self._og_regexes('title')), webpage, 'uploader', fatal=False))
 415
 416             timestamp = int_or_none(self._search_regex(
 417                 r'<abbr[^>]+data-utime=["\'](\d+)', webpage,
 418                 'timestamp', default=None))
 419             thumbnail = self._html_search_meta(
 420                 ['og:image', 'twitter:image'], webpage, 'thumbnail', default=None)
 421             # some webpages contain unretrievable thumbnail urls
 422             # like https://lookaside.fbsbx.com/lookaside/crawler/media/?media_id=10155168902769113&get_thumbnail=1
 423             # in https://www.facebook.com/yaroslav.korpan/videos/1417995061575415/
 424             if thumbnail and not re.search(r'\.(?:jpg|png)', thumbnail):
 425                 thumbnail = None
 426             view_count = parse_count(self._search_regex(
 427                 r'\bviewCount\s*:\s*["\']([\d,.]+)', webpage, 'view count',
 428                 default=None))
 429             info_dict = {
 430                 'description': description,
 431                 'uploader': uploader,
 432                 'uploader_id': uploader_data.get('id'),
 433                 'timestamp': timestamp,
 434                 'thumbnail': thumbnail,
 435                 'view_count': view_count,
 436             }
 437
 438             info_json_ld = self._search_json_ld(webpage, video_id, default={})
 439             info_json_ld['title'] = (re.sub(r'\s*\|\s*Facebook$', '', title or info_json_ld.get('title') or page_title or '')
 440                                      or (description or '').replace('\n', ' ') or f'Facebook video #{video_id}')
 441             return merge_dicts(info_json_ld, info_dict)
 442
 443         video_data = None
 444
 445         def extract_video_data(instances):
 446             video_data = []
 447             for item in instances:
 448                 if try_get(item, lambda x: x[1][0]) == 'VideoConfig':
 449                     video_item = item[2][0]
 450                     if video_item.get('video_id'):
 451                         video_data.append(video_item['videoData'])
 452             return video_data
 453
 454         server_js_data = self._parse_json(self._search_regex(
 455             [r'handleServerJS\(({.+})(?:\);|,")', r'\bs\.handle\(({.+?})\);'],
 456             webpage, 'server js data', default='{}'), video_id, fatal=False)
 457
 458         if server_js_data:
 459             video_data = extract_video_data(server_js_data.get('instances', []))
 460
 461         def extract_from_jsmods_instances(js_data):
 462             if js_data:
 463                 return extract_video_data(try_get(
 464                     js_data, lambda x: x['jsmods']['instances'], list) or [])
 465
 466         def extract_dash_manifest(video, formats):
 467             dash_manifest = video.get('dash_manifest')
 468             if dash_manifest:
 469                 formats.extend(self._parse_mpd_formats(
 470                     compat_etree_fromstring(urllib.parse.unquote_plus(dash_manifest))))
 471
 472         def process_formats(formats):
 473             # Downloads with browser's User-Agent are rate limited. Working around
 474             # with non-browser User-Agent.
 475             for f in formats:
 476                 f.setdefault('http_headers', {})['User-Agent'] = 'facebookexternalhit/1.1'
 477
 478             self._sort_formats(formats, ('res', 'quality'))
 479
 480         def extract_relay_data(_filter):
 481             return self._parse_json(self._search_regex(
 482                 r'handleWithCustomApplyEach\([^,]+,\s*({.*?%s.*?})\);' % _filter,
 483                 webpage, 'replay data', default='{}'), video_id, fatal=False) or {}
 484
 485         def extract_relay_prefetched_data(_filter):
 486             replay_data = extract_relay_data(_filter)
 487             for require in (replay_data.get('require') or []):
 488                 if require[0] == 'RelayPrefetchedStreamCache':
 489                     return try_get(require, lambda x: x[3][1]['__bbox']['result']['data'], dict) or {}
 490
 491         if not video_data:
 492             server_js_data = self._parse_json(self._search_regex([
 493                 r'bigPipe\.onPageletArrive\(({.+?})\)\s*;\s*}\s*\)\s*,\s*["\']onPageletArrive\s+' + self._SUPPORTED_PAGLETS_REGEX,
 494                 r'bigPipe\.onPageletArrive\(({.*?id\s*:\s*"%s".*?})\);' % self._SUPPORTED_PAGLETS_REGEX
 495             ], webpage, 'js data', default='{}'), video_id, js_to_json, False)
 496             video_data = extract_from_jsmods_instances(server_js_data)
 497
 498         if not video_data:
 499             data = extract_relay_prefetched_data(
 500                 r'"(?:dash_manifest|playable_url(?:_quality_hd)?)"\s*:\s*"[^"]+"')
 501             if data:
 502                 entries = []
 503
 504                 def parse_graphql_video(video):
 505                     formats = []
 506                     q = qualities(['sd', 'hd'])
 507                     for key, format_id in (('playable_url', 'sd'), ('playable_url_quality_hd', 'hd'),
 508                                            ('playable_url_dash', '')):
 509                         playable_url = video.get(key)
 510                         if not playable_url:
 511                             continue
 512                         if determine_ext(playable_url) == 'mpd':
 513                             formats.extend(self._extract_mpd_formats(playable_url, video_id))
 514                         else:
 515                             formats.append({
 516                                 'format_id': format_id,
 517                                 'quality': q(format_id),
 518                                 'url': playable_url,
 519                             })
 520                     extract_dash_manifest(video, formats)
 521                     process_formats(formats)
 522                     v_id = video.get('videoId') or video.get('id') or video_id
 523                     info = {
 524                         'id': v_id,
 525                         'formats': formats,
 526                         'thumbnail': traverse_obj(
 527                             video, ('thumbnailImage', 'uri'), ('preferred_thumbnail', 'image', 'uri')),
 528                         'uploader_id': try_get(video, lambda x: x['owner']['id']),
 529                         'timestamp': int_or_none(video.get('publish_time')),
 530                         'duration': float_or_none(video.get('playable_duration_in_ms'), 1000),
 531                     }
 532                     description = try_get(video, lambda x: x['savable_description']['text'])
 533                     title = video.get('name')
 534                     if title:
 535                         info.update({
 536                             'title': title,
 537                             'description': description,
 538                         })
 539                     else:
 540                         info['title'] = description or 'Facebook video #%s' % v_id
 541                     entries.append(info)
 542
 543                 def parse_attachment(attachment, key='media'):
 544                     media = attachment.get(key) or {}
 545                     if media.get('__typename') == 'Video':
 546                         return parse_graphql_video(media)
 547
 548                 nodes = variadic(traverse_obj(data, 'nodes', 'node') or [])
 549                 attachments = traverse_obj(nodes, (
 550                     ..., 'comet_sections', 'content', 'story', (None, 'attached_story'), 'attachments',
 551                     ..., ('styles', 'style_type_renderer'), 'attachment'), expected_type=dict) or []
 552                 for attachment in attachments:
 553                     ns = try_get(attachment, lambda x: x['all_subattachments']['nodes'], list) or []
 554                     for n in ns:
 555                         parse_attachment(n)
 556                     parse_attachment(attachment)
 557
 558                 edges = try_get(data, lambda x: x['mediaset']['currMedia']['edges'], list) or []
 559                 for edge in edges:
 560                     parse_attachment(edge, key='node')
 561
 562                 video = data.get('video') or {}
 563                 if video:
 564                     attachments = try_get(video, [
 565                         lambda x: x['story']['attachments'],
 566                         lambda x: x['creation_story']['attachments']
 567                     ], list) or []
 568                     for attachment in attachments:
 569                         parse_attachment(attachment)
 570                     if not entries:
 571                         parse_graphql_video(video)
 572
 573                 if len(entries) > 1:
 574                     return self.playlist_result(entries, video_id)
 575
 576                 video_info = entries[0]
 577                 webpage_info = extract_metadata(webpage)
 578                 # honor precise duration in video info
 579                 if video_info.get('duration'):
 580                     webpage_info['duration'] = video_info['duration']
 581                 return merge_dicts(webpage_info, video_info)
 582
 583         if not video_data:
 584             m_msg = re.search(r'class="[^"]*uiInterstitialContent[^"]*"><div>(.*?)</div>', webpage)
 585             if m_msg is not None:
 586                 raise ExtractorError(
 587                     'The video is not available, Facebook said: "%s"' % m_msg.group(1),
 588                     expected=True)
 589             elif any(p in webpage for p in (
 590                     '>You must log in to continue',
 591                     'id="login_form"',
 592                     'id="loginbutton"')):
 593                 self.raise_login_required()
 594
 595         if not video_data and '/watchparty/' in url:
 596             post_data = {
 597                 'doc_id': 3731964053542869,
 598                 'variables': json.dumps({
 599                     'livingRoomID': video_id,
 600                 }),
 601             }
 602
 603             prefetched_data = extract_relay_prefetched_data(r'"login_data"\s*:\s*{')
 604             if prefetched_data:
 605                 lsd = try_get(prefetched_data, lambda x: x['login_data']['lsd'], dict)
 606                 if lsd:
 607                     post_data[lsd['name']] = lsd['value']
 608
 609             relay_data = extract_relay_data(r'\[\s*"RelayAPIConfigDefaults"\s*,')
 610             for define in (relay_data.get('define') or []):
 611                 if define[0] == 'RelayAPIConfigDefaults':
 612                     self._api_config = define[2]
 613
 614             living_room = self._download_json(
 615                 urljoin(url, self._api_config['graphURI']), video_id,
 616                 data=urlencode_postdata(post_data))['data']['living_room']
 617
 618             entries = []
 619             for edge in (try_get(living_room, lambda x: x['recap']['watched_content']['edges']) or []):
 620                 video = try_get(edge, lambda x: x['node']['video']) or {}
 621                 v_id = video.get('id')
 622                 if not v_id:
 623                     continue
 624                 v_id = compat_str(v_id)
 625                 entries.append(self.url_result(
 626                     self._VIDEO_PAGE_TEMPLATE % v_id,
 627                     self.ie_key(), v_id, video.get('name')))
 628
 629             return self.playlist_result(entries, video_id)
 630
 631         if not video_data:
 632             # Video info not in first request, do a secondary request using
 633             # tahoe player specific URL
 634             tahoe_data = self._download_webpage(
 635                 self._VIDEO_PAGE_TAHOE_TEMPLATE % video_id, video_id,
 636                 data=urlencode_postdata({
 637                     '__a': 1,
 638                     '__pc': self._search_regex(
 639                         r'pkg_cohort["\']\s*:\s*["\'](.+?)["\']', webpage,
 640                         'pkg cohort', default='PHASED:DEFAULT'),
 641                     '__rev': self._search_regex(
 642                         r'client_revision["\']\s*:\s*(\d+),', webpage,
 643                         'client revision', default='3944515'),
 644                     'fb_dtsg': self._search_regex(
 645                         r'"DTSGInitialData"\s*,\s*\[\]\s*,\s*{\s*"token"\s*:\s*"([^"]+)"',
 646                         webpage, 'dtsg token', default=''),
 647                 }),
 648                 headers={
 649                     'Content-Type': 'application/x-www-form-urlencoded',
 650                 })
 651             tahoe_js_data = self._parse_json(
 652                 self._search_regex(
 653                     r'for\s+\(\s*;\s*;\s*\)\s*;(.+)', tahoe_data,
 654                     'tahoe js data', default='{}'),
 655                 video_id, fatal=False)
 656             video_data = extract_from_jsmods_instances(tahoe_js_data)
 657
 658         if not video_data:
 659             raise ExtractorError('Cannot parse data')
 660
 661         if len(video_data) > 1:
 662             entries = []
 663             for v in video_data:
 664                 video_url = v[0].get('video_url')
 665                 if not video_url:
 666                     continue
 667                 entries.append(self.url_result(urljoin(
 668                     url, video_url), self.ie_key(), v[0].get('video_id')))
 669             return self.playlist_result(entries, video_id)
 670         video_data = video_data[0]
 671
 672         formats = []
 673         subtitles = {}
 674         for f in video_data:
 675             format_id = f['stream_type']
 676             if f and isinstance(f, dict):
 677                 f = [f]
 678             if not f or not isinstance(f, list):
 679                 continue
 680             for quality in ('sd', 'hd'):
 681                 for src_type in ('src', 'src_no_ratelimit'):
 682                     src = f[0].get('%s_%s' % (quality, src_type))
 683                     if src:
 684                         preference = -10 if format_id == 'progressive' else -1
 685                         if quality == 'hd':
 686                             preference += 5
 687                         formats.append({
 688                             'format_id': '%s_%s_%s' % (format_id, quality, src_type),
 689                             'url': src,
 690                             'quality': preference,
 691                             'height': 720 if quality == 'hd' else None
 692                         })
 693             extract_dash_manifest(f[0], formats)
 694             subtitles_src = f[0].get('subtitles_src')
 695             if subtitles_src:
 696                 subtitles.setdefault('en', []).append({'url': subtitles_src})
 697
 698         process_formats(formats)
 699
 700         info_dict = {
 701             'id': video_id,
 702             'formats': formats,
 703             'subtitles': subtitles,
 704         }
 705         info_dict.update(extract_metadata(webpage))
 706
 707         return info_dict
 708
 709     def _real_extract(self, url):
 710         video_id = self._match_id(url)
 711
 712         real_url = self._VIDEO_PAGE_TEMPLATE % video_id if url.startswith('facebook:') else url
 713         return self._extract_from_url(real_url, video_id)
 714
 715
 716 class FacebookPluginsVideoIE(InfoExtractor):
 717     _VALID_URL = r'https?://(?:[\w-]+\.)?facebook\.com/plugins/video\.php\?.*?\bhref=(?P<id>https.+)'
 718
 719     _TESTS = [{
 720         'url': 'https://www.facebook.com/plugins/video.php?href=https%3A%2F%2Fwww.facebook.com%2Fgov.sg%2Fvideos%2F10154383743583686%2F&show_text=0&width=560',
 721         'md5': '5954e92cdfe51fe5782ae9bda7058a07',
 722         'info_dict': {
 723             'id': '10154383743583686',
 724             'ext': 'mp4',
 725             # TODO: Fix title, uploader
 726             'title': 'What to do during the haze?',
 727             'uploader': 'Gov.sg',
 728             'upload_date': '20160826',
 729             'timestamp': 1472184808,
 730         },
 731         'add_ie': [FacebookIE.ie_key()],
 732     }, {
 733         'url': 'https://www.facebook.com/plugins/video.php?href=https%3A%2F%2Fwww.facebook.com%2Fvideo.php%3Fv%3D10204634152394104',
 734         'only_matching': True,
 735     }, {
 736         'url': 'https://www.facebook.com/plugins/video.php?href=https://www.facebook.com/gov.sg/videos/10154383743583686/&show_text=0&width=560',
 737         'only_matching': True,
 738     }]
 739
 740     def _real_extract(self, url):
 741         return self.url_result(
 742             compat_urllib_parse_unquote(self._match_id(url)),
 743             FacebookIE.ie_key())
 744
 745
 746 class FacebookRedirectURLIE(InfoExtractor):
 747     IE_DESC = False  # Do not list
 748     _VALID_URL = r'https?://(?:[\w-]+\.)?facebook\.com/flx/warn[/?]'
 749     _TESTS = [{
 750         'url': 'https://www.facebook.com/flx/warn/?h=TAQHsoToz&u=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DpO8h3EaFRdo&s=1',
 751         'info_dict': {
 752             'id': 'pO8h3EaFRdo',
 753             'ext': 'mp4',
 754             'title': 'Tripeo Boiler Room x Dekmantel Festival DJ Set',
 755             'description': 'md5:2d713ccbb45b686a1888397b2c77ca6b',
 756             'channel_id': 'UCGBpxWJr9FNOcFYA5GkKrMg',
 757             'playable_in_embed': True,
 758             'categories': ['Music'],
 759             'channel': 'Boiler Room',
 760             'uploader_id': 'brtvofficial',
 761             'uploader': 'Boiler Room',
 762             'tags': 'count:11',
 763             'duration': 3332,
 764             'live_status': 'not_live',
 765             'thumbnail': 'https://i.ytimg.com/vi/pO8h3EaFRdo/maxresdefault.jpg',
 766             'channel_url': 'https://www.youtube.com/channel/UCGBpxWJr9FNOcFYA5GkKrMg',
 767             'availability': 'public',
 768             'uploader_url': 'http://www.youtube.com/user/brtvofficial',
 769             'upload_date': '20150917',
 770             'age_limit': 0,
 771             'view_count': int,
 772             'like_count': int,
 773         },
 774         'add_ie': ['Youtube'],
 775         'params': {'skip_download': 'Youtube'},
 776     }]
 777
 778     def _real_extract(self, url):
 779         redirect_url = url_or_none(parse_qs(url).get('u', [None])[-1])
 780         if not redirect_url:
 781             raise ExtractorError('Invalid facebook redirect URL', expected=True)
 782         return self.url_result(redirect_url)