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

   1 from __future__ import unicode_literals
   2
   3 import re
   4 import socket
   5
   6 from .common import InfoExtractor
   7 from ..compat import (
   8     compat_etree_fromstring,
   9     compat_http_client,
  10     compat_urllib_error,
  11     compat_urllib_parse_unquote,
  12     compat_urllib_parse_unquote_plus,
  13 )
  14 from ..utils import (
  15     clean_html,
  16     error_to_compat_str,
  17     ExtractorError,
  18     get_element_by_id,
  19     int_or_none,
  20     js_to_json,
  21     limit_length,
  22     sanitized_Request,
  23     try_get,
  24     urlencode_postdata,
  25 )
  26
  27
  28 class FacebookIE(InfoExtractor):
  29     _VALID_URL = r'''(?x)
  30                 (?:
  31                     https?://
  32                         (?:[\w-]+\.)?(?:facebook\.com|facebookcorewwwi\.onion)/
  33                         (?:[^#]*?\#!/)?
  34                         (?:
  35                             (?:
  36                                 video/video\.php|
  37                                 photo\.php|
  38                                 video\.php|
  39                                 video/embed|
  40                                 story\.php
  41                             )\?(?:.*?)(?:v|video_id|story_fbid)=|
  42                             [^/]+/videos/(?:[^/]+/)?|
  43                             [^/]+/posts/|
  44                             groups/[^/]+/permalink/
  45                         )|
  46                     facebook:
  47                 )
  48                 (?P<id>[0-9]+)
  49                 '''
  50     _LOGIN_URL = 'https://www.facebook.com/login.php?next=http%3A%2F%2Ffacebook.com%2Fhome.php&login_attempt=1'
  51     _CHECKPOINT_URL = 'https://www.facebook.com/checkpoint/?next=http%3A%2F%2Ffacebook.com%2Fhome.php&_fb_noscript=1'
  52     _NETRC_MACHINE = 'facebook'
  53     IE_NAME = 'facebook'
  54
  55     _CHROME_USER_AGENT = 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.97 Safari/537.36'
  56
  57     _VIDEO_PAGE_TEMPLATE = 'https://www.facebook.com/video/video.php?v=%s'
  58
  59     _TESTS = [{
  60         'url': 'https://www.facebook.com/video.php?v=637842556329505&fref=nf',
  61         'md5': '6a40d33c0eccbb1af76cf0485a052659',
  62         'info_dict': {
  63             'id': '637842556329505',
  64             'ext': 'mp4',
  65             'title': 're:Did you know Kei Nishikori is the first Asian man to ever reach a Grand Slam',
  66             'uploader': 'Tennis on Facebook',
  67             'upload_date': '20140908',
  68             'timestamp': 1410199200,
  69         }
  70     }, {
  71         'note': 'Video without discernible title',
  72         'url': 'https://www.facebook.com/video.php?v=274175099429670',
  73         'info_dict': {
  74             'id': '274175099429670',
  75             'ext': 'mp4',
  76             'title': 'Asif Nawab Butt posted a video to his Timeline.',
  77             'uploader': 'Asif Nawab Butt',
  78             'upload_date': '20140506',
  79             'timestamp': 1399398998,
  80         },
  81         'expected_warnings': [
  82             'title'
  83         ]
  84     }, {
  85         'note': 'Video with DASH manifest',
  86         'url': 'https://www.facebook.com/video.php?v=957955867617029',
  87         'md5': 'b2c28d528273b323abe5c6ab59f0f030',
  88         'info_dict': {
  89             'id': '957955867617029',
  90             'ext': 'mp4',
  91             'title': 'When you post epic content on instagram.com/433 8 million followers, this is ...',
  92             'uploader': 'Demy de Zeeuw',
  93             'upload_date': '20160110',
  94             'timestamp': 1452431627,
  95         },
  96     }, {
  97         'url': 'https://www.facebook.com/maxlayn/posts/10153807558977570',
  98         'md5': '037b1fa7f3c2d02b7a0d7bc16031ecc6',
  99         'info_dict': {
 100             'id': '544765982287235',
 101             'ext': 'mp4',
 102             'title': '"What are you doing running in the snow?"',
 103             'uploader': 'FailArmy',
 104         },
 105         'skip': 'Video gone',
 106     }, {
 107         'url': 'https://m.facebook.com/story.php?story_fbid=1035862816472149&id=116132035111903',
 108         'md5': '1deb90b6ac27f7efcf6d747c8a27f5e3',
 109         'info_dict': {
 110             'id': '1035862816472149',
 111             'ext': 'mp4',
 112             'title': 'What the Flock Is Going On In New Zealand  Credit: ViralHog',
 113             'uploader': 'S. Saint',
 114         },
 115         'skip': 'Video gone',
 116     }, {
 117         'note': 'swf params escaped',
 118         'url': 'https://www.facebook.com/barackobama/posts/10153664894881749',
 119         'md5': '97ba073838964d12c70566e0085c2b91',
 120         'info_dict': {
 121             'id': '10153664894881749',
 122             'ext': 'mp4',
 123             'title': 'Facebook video #10153664894881749',
 124         },
 125     }, {
 126         # have 1080P, but only up to 720p in swf params
 127         'url': 'https://www.facebook.com/cnn/videos/10155529876156509/',
 128         'md5': '0d9813160b146b3bc8744e006027fcc6',
 129         'info_dict': {
 130             'id': '10155529876156509',
 131             'ext': 'mp4',
 132             'title': 'Holocaust survivor becomes US citizen',
 133             'timestamp': 1477818095,
 134             'upload_date': '20161030',
 135             'uploader': 'CNN',
 136         },
 137     }, {
 138         # bigPipe.onPageletArrive ... onPageletArrive pagelet_group_mall
 139         'url': 'https://www.facebook.com/yaroslav.korpan/videos/1417995061575415/',
 140         'info_dict': {
 141             'id': '1417995061575415',
 142             'ext': 'mp4',
 143             'title': 'md5:a7b86ca673f51800cd54687b7f4012fe',
 144             'timestamp': 1486648217,
 145             'upload_date': '20170209',
 146             'uploader': 'Yaroslav Korpan',
 147         },
 148         'params': {
 149             'skip_download': True,
 150         },
 151     }, {
 152         'url': 'https://www.facebook.com/video.php?v=10204634152394104',
 153         'only_matching': True,
 154     }, {
 155         'url': 'https://www.facebook.com/amogood/videos/1618742068337349/?fref=nf',
 156         'only_matching': True,
 157     }, {
 158         'url': 'https://www.facebook.com/ChristyClarkForBC/videos/vb.22819070941/10153870694020942/?type=2&theater',
 159         'only_matching': True,
 160     }, {
 161         'url': 'facebook:544765982287235',
 162         'only_matching': True,
 163     }, {
 164         'url': 'https://www.facebook.com/groups/164828000315060/permalink/764967300301124/',
 165         'only_matching': True,
 166     }, {
 167         'url': 'https://zh-hk.facebook.com/peoplespower/videos/1135894589806027/',
 168         'only_matching': True,
 169     }, {
 170         'url': 'https://www.facebookcorewwwi.onion/video.php?v=274175099429670',
 171         'only_matching': True,
 172     }]
 173
 174     @staticmethod
 175     def _extract_url(webpage):
 176         mobj = re.search(
 177             r'<iframe[^>]+?src=(["\'])(?P<url>https://www\.facebook\.com/video/embed.+?)\1', webpage)
 178         if mobj is not None:
 179             return mobj.group('url')
 180
 181         # Facebook API embed
 182         # see https://developers.facebook.com/docs/plugins/embedded-video-player
 183         mobj = re.search(r'''(?x)<div[^>]+
 184                 class=(?P<q1>[\'"])[^\'"]*\bfb-(?:video|post)\b[^\'"]*(?P=q1)[^>]+
 185                 data-href=(?P<q2>[\'"])(?P<url>(?:https?:)?//(?:www\.)?facebook.com/.+?)(?P=q2)''', webpage)
 186         if mobj is not None:
 187             return mobj.group('url')
 188
 189     def _login(self):
 190         (useremail, password) = self._get_login_info()
 191         if useremail is None:
 192             return
 193
 194         login_page_req = sanitized_Request(self._LOGIN_URL)
 195         self._set_cookie('facebook.com', 'locale', 'en_US')
 196         login_page = self._download_webpage(login_page_req, None,
 197                                             note='Downloading login page',
 198                                             errnote='Unable to download login page')
 199         lsd = self._search_regex(
 200             r'<input type="hidden" name="lsd" value="([^"]*)"',
 201             login_page, 'lsd')
 202         lgnrnd = self._search_regex(r'name="lgnrnd" value="([^"]*?)"', login_page, 'lgnrnd')
 203
 204         login_form = {
 205             'email': useremail,
 206             'pass': password,
 207             'lsd': lsd,
 208             'lgnrnd': lgnrnd,
 209             'next': 'http://facebook.com/home.php',
 210             'default_persistent': '0',
 211             'legacy_return': '1',
 212             'timezone': '-60',
 213             'trynum': '1',
 214         }
 215         request = sanitized_Request(self._LOGIN_URL, urlencode_postdata(login_form))
 216         request.add_header('Content-Type', 'application/x-www-form-urlencoded')
 217         try:
 218             login_results = self._download_webpage(request, None,
 219                                                    note='Logging in', errnote='unable to fetch login page')
 220             if re.search(r'<form(.*)name="login"(.*)</form>', login_results) is not None:
 221                 error = self._html_search_regex(
 222                     r'(?s)<div[^>]+class=(["\']).*?login_error_box.*?\1[^>]*><div[^>]*>.*?</div><div[^>]*>(?P<error>.+?)</div>',
 223                     login_results, 'login error', default=None, group='error')
 224                 if error:
 225                     raise ExtractorError('Unable to login: %s' % error, expected=True)
 226                 self._downloader.report_warning('unable to log in: bad username/password, or exceeded login rate limit (~3/min). Check credentials or wait.')
 227                 return
 228
 229             fb_dtsg = self._search_regex(
 230                 r'name="fb_dtsg" value="(.+?)"', login_results, 'fb_dtsg', default=None)
 231             h = self._search_regex(
 232                 r'name="h"\s+(?:\w+="[^"]+"\s+)*?value="([^"]+)"', login_results, 'h', default=None)
 233
 234             if not fb_dtsg or not h:
 235                 return
 236
 237             check_form = {
 238                 'fb_dtsg': fb_dtsg,
 239                 'h': h,
 240                 'name_action_selected': 'dont_save',
 241             }
 242             check_req = sanitized_Request(self._CHECKPOINT_URL, urlencode_postdata(check_form))
 243             check_req.add_header('Content-Type', 'application/x-www-form-urlencoded')
 244             check_response = self._download_webpage(check_req, None,
 245                                                     note='Confirming login')
 246             if re.search(r'id="checkpointSubmitButton"', check_response) is not None:
 247                 self._downloader.report_warning('Unable to confirm login, you have to login in your browser and authorize the login.')
 248         except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
 249             self._downloader.report_warning('unable to log in: %s' % error_to_compat_str(err))
 250             return
 251
 252     def _real_initialize(self):
 253         self._login()
 254
 255     def _extract_from_url(self, url, video_id, fatal_if_no_video=True):
 256         req = sanitized_Request(url)
 257         req.add_header('User-Agent', self._CHROME_USER_AGENT)
 258         webpage = self._download_webpage(req, video_id)
 259
 260         video_data = None
 261
 262         def extract_video_data(instances):
 263             for item in instances:
 264                 if item[1][0] == 'VideoConfig':
 265                     video_item = item[2][0]
 266                     if video_item.get('video_id') == video_id:
 267                         return video_item['videoData']
 268
 269         server_js_data = self._parse_json(self._search_regex(
 270             r'handleServerJS\(({.+})(?:\);|,")', webpage,
 271             'server js data', default='{}'), video_id, fatal=False)
 272
 273         if server_js_data:
 274             video_data = extract_video_data(server_js_data.get('instances', []))
 275
 276         if not video_data:
 277             server_js_data = self._parse_json(
 278                 self._search_regex(
 279                     r'bigPipe\.onPageletArrive\(({.+?})\)\s*;\s*}\s*\)\s*,\s*["\']onPageletArrive\s+(?:stream_pagelet|pagelet_group_mall)',
 280                     webpage, 'js data', default='{}'),
 281                 video_id, transform_source=js_to_json, fatal=False)
 282             if server_js_data:
 283                 video_data = extract_video_data(try_get(
 284                     server_js_data, lambda x: x['jsmods']['instances'],
 285                     list) or [])
 286
 287         if not video_data:
 288             if not fatal_if_no_video:
 289                 return webpage, False
 290             m_msg = re.search(r'class="[^"]*uiInterstitialContent[^"]*"><div>(.*?)</div>', webpage)
 291             if m_msg is not None:
 292                 raise ExtractorError(
 293                     'The video is not available, Facebook said: "%s"' % m_msg.group(1),
 294                     expected=True)
 295             elif '>You must log in to continue' in webpage:
 296                 self.raise_login_required()
 297             else:
 298                 raise ExtractorError('Cannot parse data')
 299
 300         formats = []
 301         for f in video_data:
 302             format_id = f['stream_type']
 303             if f and isinstance(f, dict):
 304                 f = [f]
 305             if not f or not isinstance(f, list):
 306                 continue
 307             for quality in ('sd', 'hd'):
 308                 for src_type in ('src', 'src_no_ratelimit'):
 309                     src = f[0].get('%s_%s' % (quality, src_type))
 310                     if src:
 311                         preference = -10 if format_id == 'progressive' else 0
 312                         if quality == 'hd':
 313                             preference += 5
 314                         formats.append({
 315                             'format_id': '%s_%s_%s' % (format_id, quality, src_type),
 316                             'url': src,
 317                             'preference': preference,
 318                         })
 319             dash_manifest = f[0].get('dash_manifest')
 320             if dash_manifest:
 321                 formats.extend(self._parse_mpd_formats(
 322                     compat_etree_fromstring(compat_urllib_parse_unquote_plus(dash_manifest))))
 323         if not formats:
 324             raise ExtractorError('Cannot find video formats')
 325
 326         self._sort_formats(formats)
 327
 328         video_title = self._html_search_regex(
 329             r'<h2\s+[^>]*class="uiHeaderTitle"[^>]*>([^<]*)</h2>', webpage, 'title',
 330             default=None)
 331         if not video_title:
 332             video_title = self._html_search_regex(
 333                 r'(?s)<span class="fbPhotosPhotoCaption".*?id="fbPhotoPageCaption"><span class="hasCaption">(.*?)</span>',
 334                 webpage, 'alternative title', default=None)
 335         if not video_title:
 336             video_title = self._html_search_meta(
 337                 'description', webpage, 'title')
 338         if video_title:
 339             video_title = limit_length(video_title, 80)
 340         else:
 341             video_title = 'Facebook video #%s' % video_id
 342         uploader = clean_html(get_element_by_id(
 343             'fbPhotoPageAuthorName', webpage)) or self._search_regex(
 344             r'ownerName\s*:\s*"([^"]+)"', webpage, 'uploader', fatal=False)
 345         timestamp = int_or_none(self._search_regex(
 346             r'<abbr[^>]+data-utime=["\'](\d+)', webpage,
 347             'timestamp', default=None))
 348
 349         info_dict = {
 350             'id': video_id,
 351             'title': video_title,
 352             'formats': formats,
 353             'uploader': uploader,
 354             'timestamp': timestamp,
 355         }
 356
 357         return webpage, info_dict
 358
 359     def _real_extract(self, url):
 360         video_id = self._match_id(url)
 361
 362         real_url = self._VIDEO_PAGE_TEMPLATE % video_id if url.startswith('facebook:') else url
 363         webpage, info_dict = self._extract_from_url(real_url, video_id, fatal_if_no_video=False)
 364
 365         if info_dict:
 366             return info_dict
 367
 368         if '/posts/' in url:
 369             entries = [
 370                 self.url_result('facebook:%s' % vid, FacebookIE.ie_key())
 371                 for vid in self._parse_json(
 372                     self._search_regex(
 373                         r'(["\'])video_ids\1\s*:\s*(?P<ids>\[.+?\])',
 374                         webpage, 'video ids', group='ids'),
 375                     video_id)]
 376
 377             return self.playlist_result(entries, video_id)
 378         else:
 379             _, info_dict = self._extract_from_url(
 380                 self._VIDEO_PAGE_TEMPLATE % video_id,
 381                 video_id, fatal_if_no_video=True)
 382             return info_dict
 383
 384
 385 class FacebookPluginsVideoIE(InfoExtractor):
 386     _VALID_URL = r'https?://(?:[\w-]+\.)?facebook\.com/plugins/video\.php\?.*?\bhref=(?P<id>https.+)'
 387
 388     _TESTS = [{
 389         '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',
 390         'md5': '5954e92cdfe51fe5782ae9bda7058a07',
 391         'info_dict': {
 392             'id': '10154383743583686',
 393             'ext': 'mp4',
 394             'title': 'What to do during the haze?',
 395             'uploader': 'Gov.sg',
 396             'upload_date': '20160826',
 397             'timestamp': 1472184808,
 398         },
 399         'add_ie': [FacebookIE.ie_key()],
 400     }, {
 401         'url': 'https://www.facebook.com/plugins/video.php?href=https%3A%2F%2Fwww.facebook.com%2Fvideo.php%3Fv%3D10204634152394104',
 402         'only_matching': True,
 403     }, {
 404         'url': 'https://www.facebook.com/plugins/video.php?href=https://www.facebook.com/gov.sg/videos/10154383743583686/&show_text=0&width=560',
 405         'only_matching': True,
 406     }]
 407
 408     def _real_extract(self, url):
 409         return self.url_result(
 410             compat_urllib_parse_unquote(self._match_id(url)),
 411             FacebookIE.ie_key())