youtube_dlc/extractor/facebook.py

   1 # coding: utf-8
   2 from __future__ import unicode_literals
   3
   4 import json
   5 import re
   6 import socket
   7
   8 from .common import InfoExtractor
   9 from ..compat import (
  10     compat_etree_fromstring,
  11     compat_http_client,
  12     compat_str,
  13     compat_urllib_error,
  14     compat_urllib_parse_unquote,
  15     compat_urllib_parse_unquote_plus,
  16 )
  17 from ..utils import (
  18     clean_html,
  19     error_to_compat_str,
  20     ExtractorError,
  21     float_or_none,
  22     get_element_by_id,
  23     int_or_none,
  24     js_to_json,
  25     limit_length,
  26     parse_count,
  27     qualities,
  28     sanitized_Request,
  29     try_get,
  30     urlencode_postdata,
  31     urljoin,
  32 )
  33
  34
  35 class FacebookIE(InfoExtractor):
  36     _VALID_URL = r'''(?x)
  37                 (?:
  38                     https?://
  39                         (?:[\w-]+\.)?(?:facebook\.com|facebookcorewwwi\.onion)/
  40                         (?:[^#]*?\#!/)?
  41                         (?:
  42                             (?:
  43                                 video/video\.php|
  44                                 photo\.php|
  45                                 video\.php|
  46                                 video/embed|
  47                                 story\.php|
  48                                 watch(?:/live)?/?
  49                             )\?(?:.*?)(?:v|video_id|story_fbid)=|
  50                             [^/]+/videos/(?:[^/]+/)?|
  51                             [^/]+/posts/|
  52                             groups/[^/]+/permalink/|
  53                             watchparty/
  54                         )|
  55                     facebook:
  56                 )
  57                 (?P<id>[0-9]+)
  58                 '''
  59     _LOGIN_URL = 'https://www.facebook.com/login.php?next=http%3A%2F%2Ffacebook.com%2Fhome.php&login_attempt=1'
  60     _CHECKPOINT_URL = 'https://www.facebook.com/checkpoint/?next=http%3A%2F%2Ffacebook.com%2Fhome.php&_fb_noscript=1'
  61     _NETRC_MACHINE = 'facebook'
  62     IE_NAME = 'facebook'
  63
  64     _VIDEO_PAGE_TEMPLATE = 'https://www.facebook.com/video/video.php?v=%s'
  65     _VIDEO_PAGE_TAHOE_TEMPLATE = 'https://www.facebook.com/video/tahoe/async/%s/?chain=true&isvideo=true&payloadtype=primary'
  66
  67     _TESTS = [{
  68         'url': 'https://www.facebook.com/video.php?v=637842556329505&fref=nf',
  69         'md5': '6a40d33c0eccbb1af76cf0485a052659',
  70         'info_dict': {
  71             'id': '637842556329505',
  72             'ext': 'mp4',
  73             'title': 're:Did you know Kei Nishikori is the first Asian man to ever reach a Grand Slam',
  74             'uploader': 'Tennis on Facebook',
  75             'upload_date': '20140908',
  76             'timestamp': 1410199200,
  77         },
  78         'skip': 'Requires logging in',
  79     }, {
  80         # data.video
  81         'url': 'https://www.facebook.com/video.php?v=274175099429670',
  82         'info_dict': {
  83             'id': '274175099429670',
  84             'ext': 'mp4',
  85             'title': 're:^Asif Nawab Butt posted a video',
  86             'uploader': 'Asif Nawab Butt',
  87             'upload_date': '20140506',
  88             'timestamp': 1399398998,
  89             'thumbnail': r're:^https?://.*',
  90         },
  91         'expected_warnings': [
  92             'title'
  93         ]
  94     }, {
  95         'note': 'Video with DASH manifest',
  96         'url': 'https://www.facebook.com/video.php?v=957955867617029',
  97         'md5': 'b2c28d528273b323abe5c6ab59f0f030',
  98         'info_dict': {
  99             'id': '957955867617029',
 100             'ext': 'mp4',
 101             'title': 'When you post epic content on instagram.com/433 8 million followers, this is ...',
 102             'uploader': 'Demy de Zeeuw',
 103             'upload_date': '20160110',
 104             'timestamp': 1452431627,
 105         },
 106         'skip': 'Requires logging in',
 107     }, {
 108         'url': 'https://www.facebook.com/maxlayn/posts/10153807558977570',
 109         'md5': '037b1fa7f3c2d02b7a0d7bc16031ecc6',
 110         'info_dict': {
 111             'id': '544765982287235',
 112             'ext': 'mp4',
 113             'title': '"What are you doing running in the snow?"',
 114             'uploader': 'FailArmy',
 115         },
 116         'skip': 'Video gone',
 117     }, {
 118         'url': 'https://m.facebook.com/story.php?story_fbid=1035862816472149&id=116132035111903',
 119         'md5': '1deb90b6ac27f7efcf6d747c8a27f5e3',
 120         'info_dict': {
 121             'id': '1035862816472149',
 122             'ext': 'mp4',
 123             'title': 'What the Flock Is Going On In New Zealand  Credit: ViralHog',
 124             'uploader': 'S. Saint',
 125         },
 126         'skip': 'Video gone',
 127     }, {
 128         'note': 'swf params escaped',
 129         'url': 'https://www.facebook.com/barackobama/posts/10153664894881749',
 130         'md5': '97ba073838964d12c70566e0085c2b91',
 131         'info_dict': {
 132             'id': '10153664894881749',
 133             'ext': 'mp4',
 134             'title': 'Average time to confirm recent Supreme Court nominees: 67 days Longest it\'s t...',
 135             'thumbnail': r're:^https?://.*',
 136             'timestamp': 1456259628,
 137             'upload_date': '20160223',
 138             'uploader': 'Barack Obama',
 139         },
 140     }, {
 141         # have 1080P, but only up to 720p in swf params
 142         # data.video.story.attachments[].media
 143         'url': 'https://www.facebook.com/cnn/videos/10155529876156509/',
 144         'md5': '9571fae53d4165bbbadb17a94651dcdc',
 145         'info_dict': {
 146             'id': '10155529876156509',
 147             'ext': 'mp4',
 148             'title': 'She survived the holocaust — and years later, she’s getting her citizenship s...',
 149             'timestamp': 1477818095,
 150             'upload_date': '20161030',
 151             'uploader': 'CNN',
 152             'thumbnail': r're:^https?://.*',
 153             'view_count': int,
 154         },
 155     }, {
 156         # bigPipe.onPageletArrive ... onPageletArrive pagelet_group_mall
 157         # data.node.comet_sections.content.story.attachments[].style_type_renderer.attachment.media
 158         'url': 'https://www.facebook.com/yaroslav.korpan/videos/1417995061575415/',
 159         'info_dict': {
 160             'id': '1417995061575415',
 161             'ext': 'mp4',
 162             'title': 'md5:1db063d6a8c13faa8da727817339c857',
 163             'timestamp': 1486648217,
 164             'upload_date': '20170209',
 165             'uploader': 'Yaroslav Korpan',
 166         },
 167         'params': {
 168             'skip_download': True,
 169         },
 170     }, {
 171         'url': 'https://www.facebook.com/LaGuiaDelVaron/posts/1072691702860471',
 172         'info_dict': {
 173             'id': '1072691702860471',
 174             'ext': 'mp4',
 175             'title': 'md5:ae2d22a93fbb12dad20dc393a869739d',
 176             'timestamp': 1477305000,
 177             'upload_date': '20161024',
 178             'uploader': 'La Guía Del Varón',
 179             'thumbnail': r're:^https?://.*',
 180         },
 181         'params': {
 182             'skip_download': True,
 183         },
 184     }, {
 185         # data.node.comet_sections.content.story.attachments[].style_type_renderer.attachment.media
 186         'url': 'https://www.facebook.com/groups/1024490957622648/permalink/1396382447100162/',
 187         'info_dict': {
 188             'id': '1396382447100162',
 189             'ext': 'mp4',
 190             'title': 'md5:19a428bbde91364e3de815383b54a235',
 191             'timestamp': 1486035494,
 192             'upload_date': '20170202',
 193             'uploader': 'Elisabeth Ahtn',
 194         },
 195         'params': {
 196             'skip_download': True,
 197         },
 198     }, {
 199         'url': 'https://www.facebook.com/video.php?v=10204634152394104',
 200         'only_matching': True,
 201     }, {
 202         'url': 'https://www.facebook.com/amogood/videos/1618742068337349/?fref=nf',
 203         'only_matching': True,
 204     }, {
 205         # data.mediaset.currMedia.edges
 206         'url': 'https://www.facebook.com/ChristyClarkForBC/videos/vb.22819070941/10153870694020942/?type=2&theater',
 207         'only_matching': True,
 208     }, {
 209         # data.video.story.attachments[].media
 210         'url': 'facebook:544765982287235',
 211         'only_matching': True,
 212     }, {
 213         # data.node.comet_sections.content.story.attachments[].style_type_renderer.attachment.media
 214         'url': 'https://www.facebook.com/groups/164828000315060/permalink/764967300301124/',
 215         'only_matching': True,
 216     }, {
 217         # data.video.creation_story.attachments[].media
 218         'url': 'https://zh-hk.facebook.com/peoplespower/videos/1135894589806027/',
 219         'only_matching': True,
 220     }, {
 221         # data.video
 222         'url': 'https://www.facebookcorewwwi.onion/video.php?v=274175099429670',
 223         'only_matching': True,
 224     }, {
 225         # no title
 226         'url': 'https://www.facebook.com/onlycleverentertainment/videos/1947995502095005/',
 227         'only_matching': True,
 228     }, {
 229         # data.video
 230         'url': 'https://www.facebook.com/WatchESLOne/videos/359649331226507/',
 231         'info_dict': {
 232             'id': '359649331226507',
 233             'ext': 'mp4',
 234             'title': '#ESLOne VoD - Birmingham Finals Day#1 Fnatic vs. @Evil Geniuses',
 235             'uploader': 'ESL One Dota 2',
 236         },
 237         'params': {
 238             'skip_download': True,
 239         },
 240     }, {
 241         # data.node.comet_sections.content.story.attachments[].style_type_renderer.attachment.all_subattachments.nodes[].media
 242         'url': 'https://www.facebook.com/100033620354545/videos/106560053808006/',
 243         'info_dict': {
 244             'id': '106560053808006',
 245         },
 246         'playlist_count': 2,
 247     }, {
 248         # data.video.story.attachments[].media
 249         'url': 'https://www.facebook.com/watch/?v=647537299265662',
 250         'only_matching': True,
 251     }, {
 252         # data.node.comet_sections.content.story.attachments[].style_type_renderer.attachment.all_subattachments.nodes[].media
 253         'url': 'https://www.facebook.com/PankajShahLondon/posts/10157667649866271',
 254         'info_dict': {
 255             'id': '10157667649866271',
 256         },
 257         'playlist_count': 3,
 258     }, {
 259         # data.nodes[].comet_sections.content.story.attachments[].style_type_renderer.attachment.media
 260         'url': 'https://m.facebook.com/Alliance.Police.Department/posts/4048563708499330',
 261         'info_dict': {
 262             'id': '117576630041613',
 263             'ext': 'mp4',
 264             # TODO: title can be extracted from video page
 265             'title': 'Facebook video #117576630041613',
 266             'uploader_id': '189393014416438',
 267             'upload_date': '20201123',
 268             'timestamp': 1606162592,
 269         },
 270         'skip': 'Requires logging in',
 271     }, {
 272         # node.comet_sections.content.story.attached_story.attachments.style_type_renderer.attachment.media
 273         'url': 'https://www.facebook.com/groups/ateistiskselskab/permalink/10154930137678856/',
 274         'info_dict': {
 275             'id': '211567722618337',
 276             'ext': 'mp4',
 277             'title': 'Facebook video #211567722618337',
 278             'uploader_id': '127875227654254',
 279             'upload_date': '20161122',
 280             'timestamp': 1479793574,
 281         },
 282     }, {
 283         # data.video.creation_story.attachments[].media
 284         'url': 'https://www.facebook.com/watch/live/?v=1823658634322275',
 285         'only_matching': True,
 286     }, {
 287         'url': 'https://www.facebook.com/watchparty/211641140192478',
 288         'info_dict': {
 289             'id': '211641140192478',
 290         },
 291         'playlist_count': 1,
 292         'skip': 'Requires logging in',
 293     }]
 294     _SUPPORTED_PAGLETS_REGEX = r'(?:pagelet_group_mall|permalink_video_pagelet|hyperfeed_story_id_[0-9a-f]+)'
 295     _api_config = {
 296         'graphURI': '/api/graphql/'
 297     }
 298
 299     @staticmethod
 300     def _extract_urls(webpage):
 301         urls = []
 302         for mobj in re.finditer(
 303                 r'<iframe[^>]+?src=(["\'])(?P<url>https?://www\.facebook\.com/(?:video/embed|plugins/video\.php).+?)\1',
 304                 webpage):
 305             urls.append(mobj.group('url'))
 306         # Facebook API embed
 307         # see https://developers.facebook.com/docs/plugins/embedded-video-player
 308         for mobj in re.finditer(r'''(?x)<div[^>]+
 309                 class=(?P<q1>[\'"])[^\'"]*\bfb-(?:video|post)\b[^\'"]*(?P=q1)[^>]+
 310                 data-href=(?P<q2>[\'"])(?P<url>(?:https?:)?//(?:www\.)?facebook.com/.+?)(?P=q2)''', webpage):
 311             urls.append(mobj.group('url'))
 312         return urls
 313
 314     def _login(self):
 315         useremail, password = self._get_login_info()
 316         if useremail is None:
 317             return
 318
 319         login_page_req = sanitized_Request(self._LOGIN_URL)
 320         self._set_cookie('facebook.com', 'locale', 'en_US')
 321         login_page = self._download_webpage(login_page_req, None,
 322                                             note='Downloading login page',
 323                                             errnote='Unable to download login page')
 324         lsd = self._search_regex(
 325             r'<input type="hidden" name="lsd" value="([^"]*)"',
 326             login_page, 'lsd')
 327         lgnrnd = self._search_regex(r'name="lgnrnd" value="([^"]*?)"', login_page, 'lgnrnd')
 328
 329         login_form = {
 330             'email': useremail,
 331             'pass': password,
 332             'lsd': lsd,
 333             'lgnrnd': lgnrnd,
 334             'next': 'http://facebook.com/home.php',
 335             'default_persistent': '0',
 336             'legacy_return': '1',
 337             'timezone': '-60',
 338             'trynum': '1',
 339         }
 340         request = sanitized_Request(self._LOGIN_URL, urlencode_postdata(login_form))
 341         request.add_header('Content-Type', 'application/x-www-form-urlencoded')
 342         try:
 343             login_results = self._download_webpage(request, None,
 344                                                    note='Logging in', errnote='unable to fetch login page')
 345             if re.search(r'<form(.*)name="login"(.*)</form>', login_results) is not None:
 346                 error = self._html_search_regex(
 347                     r'(?s)<div[^>]+class=(["\']).*?login_error_box.*?\1[^>]*><div[^>]*>.*?</div><div[^>]*>(?P<error>.+?)</div>',
 348                     login_results, 'login error', default=None, group='error')
 349                 if error:
 350                     raise ExtractorError('Unable to login: %s' % error, expected=True)
 351                 self._downloader.report_warning('unable to log in: bad username/password, or exceeded login rate limit (~3/min). Check credentials or wait.')
 352                 return
 353
 354             fb_dtsg = self._search_regex(
 355                 r'name="fb_dtsg" value="(.+?)"', login_results, 'fb_dtsg', default=None)
 356             h = self._search_regex(
 357                 r'name="h"\s+(?:\w+="[^"]+"\s+)*?value="([^"]+)"', login_results, 'h', default=None)
 358
 359             if not fb_dtsg or not h:
 360                 return
 361
 362             check_form = {
 363                 'fb_dtsg': fb_dtsg,
 364                 'h': h,
 365                 'name_action_selected': 'dont_save',
 366             }
 367             check_req = sanitized_Request(self._CHECKPOINT_URL, urlencode_postdata(check_form))
 368             check_req.add_header('Content-Type', 'application/x-www-form-urlencoded')
 369             check_response = self._download_webpage(check_req, None,
 370                                                     note='Confirming login')
 371             if re.search(r'id="checkpointSubmitButton"', check_response) is not None:
 372                 self._downloader.report_warning('Unable to confirm login, you have to login in your browser and authorize the login.')
 373         except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
 374             self._downloader.report_warning('unable to log in: %s' % error_to_compat_str(err))
 375             return
 376
 377     def _real_initialize(self):
 378         self._login()
 379
 380     def _extract_from_url(self, url, video_id):
 381         webpage = self._download_webpage(
 382             url.replace('://m.facebook.com/', '://www.facebook.com/'), video_id)
 383
 384         video_data = None
 385
 386         def extract_video_data(instances):
 387             video_data = []
 388             for item in instances:
 389                 if try_get(item, lambda x: x[1][0]) == 'VideoConfig':
 390                     video_item = item[2][0]
 391                     if video_item.get('video_id'):
 392                         video_data.append(video_item['videoData'])
 393             return video_data
 394
 395         server_js_data = self._parse_json(self._search_regex(
 396             [r'handleServerJS\(({.+})(?:\);|,")', r'\bs\.handle\(({.+?})\);'],
 397             webpage, 'server js data', default='{}'), video_id, fatal=False)
 398
 399         if server_js_data:
 400             video_data = extract_video_data(server_js_data.get('instances', []))
 401
 402         def extract_from_jsmods_instances(js_data):
 403             if js_data:
 404                 return extract_video_data(try_get(
 405                     js_data, lambda x: x['jsmods']['instances'], list) or [])
 406
 407         def extract_dash_manifest(video, formats):
 408             dash_manifest = video.get('dash_manifest')
 409             if dash_manifest:
 410                 formats.extend(self._parse_mpd_formats(
 411                     compat_etree_fromstring(compat_urllib_parse_unquote_plus(dash_manifest))))
 412
 413         def process_formats(formats):
 414             # Downloads with browser's User-Agent are rate limited. Working around
 415             # with non-browser User-Agent.
 416             for f in formats:
 417                 f.setdefault('http_headers', {})['User-Agent'] = 'facebookexternalhit/1.1'
 418
 419             self._sort_formats(formats)
 420
 421         def extract_relay_data(_filter):
 422             return self._parse_json(self._search_regex(
 423                 r'handleWithCustomApplyEach\([^,]+,\s*({.*?%s.*?})\);' % _filter,
 424                 webpage, 'replay data', default='{}'), video_id, fatal=False) or {}
 425
 426         def extract_relay_prefetched_data(_filter):
 427             replay_data = extract_relay_data(_filter)
 428             for require in (replay_data.get('require') or []):
 429                 if require[0] == 'RelayPrefetchedStreamCache':
 430                     return try_get(require, lambda x: x[3][1]['__bbox']['result']['data'], dict) or {}
 431
 432         if not video_data:
 433             server_js_data = self._parse_json(self._search_regex([
 434                 r'bigPipe\.onPageletArrive\(({.+?})\)\s*;\s*}\s*\)\s*,\s*["\']onPageletArrive\s+' + self._SUPPORTED_PAGLETS_REGEX,
 435                 r'bigPipe\.onPageletArrive\(({.*?id\s*:\s*"%s".*?})\);' % self._SUPPORTED_PAGLETS_REGEX
 436             ], webpage, 'js data', default='{}'), video_id, js_to_json, False)
 437             video_data = extract_from_jsmods_instances(server_js_data)
 438
 439         if not video_data:
 440             data = extract_relay_prefetched_data(
 441                 r'"(?:dash_manifest|playable_url(?:_quality_hd)?)"\s*:\s*"[^"]+"')
 442             if data:
 443                 entries = []
 444
 445                 def parse_graphql_video(video):
 446                     formats = []
 447                     q = qualities(['sd', 'hd'])
 448                     for (suffix, format_id) in [('', 'sd'), ('_quality_hd', 'hd')]:
 449                         playable_url = video.get('playable_url' + suffix)
 450                         if not playable_url:
 451                             continue
 452                         formats.append({
 453                             'format_id': format_id,
 454                             'quality': q(format_id),
 455                             'url': playable_url,
 456                         })
 457                     extract_dash_manifest(video, formats)
 458                     process_formats(formats)
 459                     v_id = video.get('videoId') or video.get('id') or video_id
 460                     info = {
 461                         'id': v_id,
 462                         'formats': formats,
 463                         'thumbnail': try_get(video, lambda x: x['thumbnailImage']['uri']),
 464                         'uploader_id': try_get(video, lambda x: x['owner']['id']),
 465                         'timestamp': int_or_none(video.get('publish_time')),
 466                         'duration': float_or_none(video.get('playable_duration_in_ms'), 1000),
 467                     }
 468                     description = try_get(video, lambda x: x['savable_description']['text'])
 469                     title = video.get('name')
 470                     if title:
 471                         info.update({
 472                             'title': title,
 473                             'description': description,
 474                         })
 475                     else:
 476                         info['title'] = description or 'Facebook video #%s' % v_id
 477                     entries.append(info)
 478
 479                 def parse_attachment(attachment, key='media'):
 480                     media = attachment.get(key) or {}
 481                     if media.get('__typename') == 'Video':
 482                         return parse_graphql_video(media)
 483
 484                 nodes = data.get('nodes') or []
 485                 node = data.get('node') or {}
 486                 if not nodes and node:
 487                     nodes.append(node)
 488                 for node in nodes:
 489                     story = try_get(node, lambda x: x['comet_sections']['content']['story'], dict) or {}
 490                     attachments = try_get(story, [
 491                         lambda x: x['attached_story']['attachments'],
 492                         lambda x: x['attachments']
 493                     ], list) or []
 494                     for attachment in attachments:
 495                         attachment = try_get(attachment, lambda x: x['style_type_renderer']['attachment'], dict)
 496                         ns = try_get(attachment, lambda x: x['all_subattachments']['nodes'], list) or []
 497                         for n in ns:
 498                             parse_attachment(n)
 499                         parse_attachment(attachment)
 500
 501                 edges = try_get(data, lambda x: x['mediaset']['currMedia']['edges'], list) or []
 502                 for edge in edges:
 503                     parse_attachment(edge, key='node')
 504
 505                 video = data.get('video') or {}
 506                 if video:
 507                     attachments = try_get(video, [
 508                         lambda x: x['story']['attachments'],
 509                         lambda x: x['creation_story']['attachments']
 510                     ], list) or []
 511                     for attachment in attachments:
 512                         parse_attachment(attachment)
 513                     if not entries:
 514                         parse_graphql_video(video)
 515
 516                 return self.playlist_result(entries, video_id)
 517
 518         if not video_data:
 519             m_msg = re.search(r'class="[^"]*uiInterstitialContent[^"]*"><div>(.*?)</div>', webpage)
 520             if m_msg is not None:
 521                 raise ExtractorError(
 522                     'The video is not available, Facebook said: "%s"' % m_msg.group(1),
 523                     expected=True)
 524             elif '>You must log in to continue' in webpage:
 525                 self.raise_login_required()
 526
 527         if not video_data and '/watchparty/' in url:
 528             post_data = {
 529                 'doc_id': 3731964053542869,
 530                 'variables': json.dumps({
 531                     'livingRoomID': video_id,
 532                 }),
 533             }
 534
 535             prefetched_data = extract_relay_prefetched_data(r'"login_data"\s*:\s*{')
 536             if prefetched_data:
 537                 lsd = try_get(prefetched_data, lambda x: x['login_data']['lsd'], dict)
 538                 if lsd:
 539                     post_data[lsd['name']] = lsd['value']
 540
 541             relay_data = extract_relay_data(r'\[\s*"RelayAPIConfigDefaults"\s*,')
 542             for define in (relay_data.get('define') or []):
 543                 if define[0] == 'RelayAPIConfigDefaults':
 544                     self._api_config = define[2]
 545
 546             living_room = self._download_json(
 547                 urljoin(url, self._api_config['graphURI']), video_id,
 548                 data=urlencode_postdata(post_data))['data']['living_room']
 549
 550             entries = []
 551             for edge in (try_get(living_room, lambda x: x['recap']['watched_content']['edges']) or []):
 552                 video = try_get(edge, lambda x: x['node']['video']) or {}
 553                 v_id = video.get('id')
 554                 if not v_id:
 555                     continue
 556                 v_id = compat_str(v_id)
 557                 entries.append(self.url_result(
 558                     self._VIDEO_PAGE_TEMPLATE % v_id,
 559                     self.ie_key(), v_id, video.get('name')))
 560
 561             return self.playlist_result(entries, video_id)
 562
 563         if not video_data:
 564             # Video info not in first request, do a secondary request using
 565             # tahoe player specific URL
 566             tahoe_data = self._download_webpage(
 567                 self._VIDEO_PAGE_TAHOE_TEMPLATE % video_id, video_id,
 568                 data=urlencode_postdata({
 569                     '__a': 1,
 570                     '__pc': self._search_regex(
 571                         r'pkg_cohort["\']\s*:\s*["\'](.+?)["\']', webpage,
 572                         'pkg cohort', default='PHASED:DEFAULT'),
 573                     '__rev': self._search_regex(
 574                         r'client_revision["\']\s*:\s*(\d+),', webpage,
 575                         'client revision', default='3944515'),
 576                     'fb_dtsg': self._search_regex(
 577                         r'"DTSGInitialData"\s*,\s*\[\]\s*,\s*{\s*"token"\s*:\s*"([^"]+)"',
 578                         webpage, 'dtsg token', default=''),
 579                 }),
 580                 headers={
 581                     'Content-Type': 'application/x-www-form-urlencoded',
 582                 })
 583             tahoe_js_data = self._parse_json(
 584                 self._search_regex(
 585                     r'for\s+\(\s*;\s*;\s*\)\s*;(.+)', tahoe_data,
 586                     'tahoe js data', default='{}'),
 587                 video_id, fatal=False)
 588             video_data = extract_from_jsmods_instances(tahoe_js_data)
 589
 590         if not video_data:
 591             raise ExtractorError('Cannot parse data')
 592
 593         if len(video_data) > 1:
 594             entries = []
 595             for v in video_data:
 596                 video_url = v[0].get('video_url')
 597                 if not video_url:
 598                     continue
 599                 entries.append(self.url_result(urljoin(
 600                     url, video_url), self.ie_key(), v[0].get('video_id')))
 601             return self.playlist_result(entries, video_id)
 602         video_data = video_data[0]
 603
 604         formats = []
 605         subtitles = {}
 606         for f in video_data:
 607             format_id = f['stream_type']
 608             if f and isinstance(f, dict):
 609                 f = [f]
 610             if not f or not isinstance(f, list):
 611                 continue
 612             for quality in ('sd', 'hd'):
 613                 for src_type in ('src', 'src_no_ratelimit'):
 614                     src = f[0].get('%s_%s' % (quality, src_type))
 615                     if src:
 616                         preference = -10 if format_id == 'progressive' else 0
 617                         if quality == 'hd':
 618                             preference += 5
 619                         formats.append({
 620                             'format_id': '%s_%s_%s' % (format_id, quality, src_type),
 621                             'url': src,
 622                             'preference': preference,
 623                         })
 624             extract_dash_manifest(f[0], formats)
 625             subtitles_src = f[0].get('subtitles_src')
 626             if subtitles_src:
 627                 subtitles.setdefault('en', []).append({'url': subtitles_src})
 628         if not formats:
 629             raise ExtractorError('Cannot find video formats')
 630
 631         process_formats(formats)
 632
 633         video_title = self._html_search_regex(
 634             r'<h2\s+[^>]*class="uiHeaderTitle"[^>]*>([^<]*)</h2>', webpage,
 635             'title', default=None)
 636         if not video_title:
 637             video_title = self._html_search_regex(
 638                 r'(?s)<span class="fbPhotosPhotoCaption".*?id="fbPhotoPageCaption"><span class="hasCaption">(.*?)</span>',
 639                 webpage, 'alternative title', default=None)
 640         if not video_title:
 641             video_title = self._html_search_meta(
 642                 'description', webpage, 'title', default=None)
 643         if video_title:
 644             video_title = limit_length(video_title, 80)
 645         else:
 646             video_title = 'Facebook video #%s' % video_id
 647         uploader = clean_html(get_element_by_id(
 648             'fbPhotoPageAuthorName', webpage)) or self._search_regex(
 649             r'ownerName\s*:\s*"([^"]+)"', webpage, 'uploader',
 650             default=None) or self._og_search_title(webpage, fatal=False)
 651         timestamp = int_or_none(self._search_regex(
 652             r'<abbr[^>]+data-utime=["\'](\d+)', webpage,
 653             'timestamp', default=None))
 654         thumbnail = self._html_search_meta(['og:image', 'twitter:image'], webpage)
 655
 656         view_count = parse_count(self._search_regex(
 657             r'\bviewCount\s*:\s*["\']([\d,.]+)', webpage, 'view count',
 658             default=None))
 659
 660         info_dict = {
 661             'id': video_id,
 662             'title': video_title,
 663             'formats': formats,
 664             'uploader': uploader,
 665             'timestamp': timestamp,
 666             'thumbnail': thumbnail,
 667             'view_count': view_count,
 668             'subtitles': subtitles,
 669         }
 670
 671         return info_dict
 672
 673     def _real_extract(self, url):
 674         video_id = self._match_id(url)
 675
 676         real_url = self._VIDEO_PAGE_TEMPLATE % video_id if url.startswith('facebook:') else url
 677         return self._extract_from_url(real_url, video_id)
 678
 679
 680 class FacebookPluginsVideoIE(InfoExtractor):
 681     _VALID_URL = r'https?://(?:[\w-]+\.)?facebook\.com/plugins/video\.php\?.*?\bhref=(?P<id>https.+)'
 682
 683     _TESTS = [{
 684         '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',
 685         'md5': '5954e92cdfe51fe5782ae9bda7058a07',
 686         'info_dict': {
 687             'id': '10154383743583686',
 688             'ext': 'mp4',
 689             'title': 'What to do during the haze?',
 690             'uploader': 'Gov.sg',
 691             'upload_date': '20160826',
 692             'timestamp': 1472184808,
 693         },
 694         'add_ie': [FacebookIE.ie_key()],
 695     }, {
 696         'url': 'https://www.facebook.com/plugins/video.php?href=https%3A%2F%2Fwww.facebook.com%2Fvideo.php%3Fv%3D10204634152394104',
 697         'only_matching': True,
 698     }, {
 699         'url': 'https://www.facebook.com/plugins/video.php?href=https://www.facebook.com/gov.sg/videos/10154383743583686/&show_text=0&width=560',
 700         'only_matching': True,
 701     }]
 702
 703     def _real_extract(self, url):
 704         return self.url_result(
 705             compat_urllib_parse_unquote(self._match_id(url)),
 706             FacebookIE.ie_key())