]> gitweb @ CieloNegro.org - youtube-dl.git/blob - youtube_dl/extractor/facebook.py
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[youtube-dl.git] / youtube_dl / extractor / facebook.py
1 # coding: utf-8
2 from __future__ import unicode_literals
3
4 import re
5 import socket
6
7 from .common import InfoExtractor
8 from ..compat import (
9     compat_etree_fromstring,
10     compat_http_client,
11     compat_urllib_error,
12     compat_urllib_parse_unquote,
13     compat_urllib_parse_unquote_plus,
14 )
15 from ..utils import (
16     clean_html,
17     error_to_compat_str,
18     ExtractorError,
19     get_element_by_id,
20     int_or_none,
21     js_to_json,
22     limit_length,
23     parse_count,
24     sanitized_Request,
25     try_get,
26     urlencode_postdata,
27 )
28
29
30 class FacebookIE(InfoExtractor):
31     _VALID_URL = r'''(?x)
32                 (?:
33                     https?://
34                         (?:[\w-]+\.)?(?:facebook\.com|facebookcorewwwi\.onion)/
35                         (?:[^#]*?\#!/)?
36                         (?:
37                             (?:
38                                 video/video\.php|
39                                 photo\.php|
40                                 video\.php|
41                                 video/embed|
42                                 story\.php
43                             )\?(?:.*?)(?:v|video_id|story_fbid)=|
44                             [^/]+/videos/(?:[^/]+/)?|
45                             [^/]+/posts/|
46                             groups/[^/]+/permalink/
47                         )|
48                     facebook:
49                 )
50                 (?P<id>[0-9]+)
51                 '''
52     _LOGIN_URL = 'https://www.facebook.com/login.php?next=http%3A%2F%2Ffacebook.com%2Fhome.php&login_attempt=1'
53     _CHECKPOINT_URL = 'https://www.facebook.com/checkpoint/?next=http%3A%2F%2Ffacebook.com%2Fhome.php&_fb_noscript=1'
54     _NETRC_MACHINE = 'facebook'
55     IE_NAME = 'facebook'
56
57     _CHROME_USER_AGENT = 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.97 Safari/537.36'
58
59     _VIDEO_PAGE_TEMPLATE = 'https://www.facebook.com/video/video.php?v=%s'
60     _VIDEO_PAGE_TAHOE_TEMPLATE = 'https://www.facebook.com/video/tahoe/async/%s/?chain=true&isvideo=true&payloadtype=primary'
61
62     _TESTS = [{
63         'url': 'https://www.facebook.com/video.php?v=637842556329505&fref=nf',
64         'md5': '6a40d33c0eccbb1af76cf0485a052659',
65         'info_dict': {
66             'id': '637842556329505',
67             'ext': 'mp4',
68             'title': 're:Did you know Kei Nishikori is the first Asian man to ever reach a Grand Slam',
69             'uploader': 'Tennis on Facebook',
70             'upload_date': '20140908',
71             'timestamp': 1410199200,
72         },
73         'skip': 'Requires logging in',
74     }, {
75         'url': 'https://www.facebook.com/video.php?v=274175099429670',
76         'info_dict': {
77             'id': '274175099429670',
78             'ext': 'mp4',
79             'title': 're:^Asif Nawab Butt posted a video',
80             'uploader': 'Asif Nawab Butt',
81             'upload_date': '20140506',
82             'timestamp': 1399398998,
83             'thumbnail': r're:^https?://.*',
84         },
85         'expected_warnings': [
86             'title'
87         ]
88     }, {
89         'note': 'Video with DASH manifest',
90         'url': 'https://www.facebook.com/video.php?v=957955867617029',
91         'md5': 'b2c28d528273b323abe5c6ab59f0f030',
92         'info_dict': {
93             'id': '957955867617029',
94             'ext': 'mp4',
95             'title': 'When you post epic content on instagram.com/433 8 million followers, this is ...',
96             'uploader': 'Demy de Zeeuw',
97             'upload_date': '20160110',
98             'timestamp': 1452431627,
99         },
100         'skip': 'Requires logging in',
101     }, {
102         'url': 'https://www.facebook.com/maxlayn/posts/10153807558977570',
103         'md5': '037b1fa7f3c2d02b7a0d7bc16031ecc6',
104         'info_dict': {
105             'id': '544765982287235',
106             'ext': 'mp4',
107             'title': '"What are you doing running in the snow?"',
108             'uploader': 'FailArmy',
109         },
110         'skip': 'Video gone',
111     }, {
112         'url': 'https://m.facebook.com/story.php?story_fbid=1035862816472149&id=116132035111903',
113         'md5': '1deb90b6ac27f7efcf6d747c8a27f5e3',
114         'info_dict': {
115             'id': '1035862816472149',
116             'ext': 'mp4',
117             'title': 'What the Flock Is Going On In New Zealand  Credit: ViralHog',
118             'uploader': 'S. Saint',
119         },
120         'skip': 'Video gone',
121     }, {
122         'note': 'swf params escaped',
123         'url': 'https://www.facebook.com/barackobama/posts/10153664894881749',
124         'md5': '97ba073838964d12c70566e0085c2b91',
125         'info_dict': {
126             'id': '10153664894881749',
127             'ext': 'mp4',
128             'title': 'Average time to confirm recent Supreme Court nominees: 67 days Longest it\'s t...',
129             'thumbnail': r're:^https?://.*',
130             'timestamp': 1456259628,
131             'upload_date': '20160223',
132             'uploader': 'Barack Obama',
133         },
134     }, {
135         # have 1080P, but only up to 720p in swf params
136         'url': 'https://www.facebook.com/cnn/videos/10155529876156509/',
137         'md5': '9571fae53d4165bbbadb17a94651dcdc',
138         'info_dict': {
139             'id': '10155529876156509',
140             'ext': 'mp4',
141             'title': 'She survived the holocaust — and years later, she’s getting her citizenship s...',
142             'timestamp': 1477818095,
143             'upload_date': '20161030',
144             'uploader': 'CNN',
145             'thumbnail': r're:^https?://.*',
146             'view_count': int,
147         },
148     }, {
149         # bigPipe.onPageletArrive ... onPageletArrive pagelet_group_mall
150         'url': 'https://www.facebook.com/yaroslav.korpan/videos/1417995061575415/',
151         'info_dict': {
152             'id': '1417995061575415',
153             'ext': 'mp4',
154             'title': 'md5:1db063d6a8c13faa8da727817339c857',
155             'timestamp': 1486648217,
156             'upload_date': '20170209',
157             'uploader': 'Yaroslav Korpan',
158         },
159         'params': {
160             'skip_download': True,
161         },
162     }, {
163         'url': 'https://www.facebook.com/LaGuiaDelVaron/posts/1072691702860471',
164         'info_dict': {
165             'id': '1072691702860471',
166             'ext': 'mp4',
167             'title': 'md5:ae2d22a93fbb12dad20dc393a869739d',
168             'timestamp': 1477305000,
169             'upload_date': '20161024',
170             'uploader': 'La Guía Del Varón',
171             'thumbnail': r're:^https?://.*',
172         },
173         'params': {
174             'skip_download': True,
175         },
176     }, {
177         'url': 'https://www.facebook.com/groups/1024490957622648/permalink/1396382447100162/',
178         'info_dict': {
179             'id': '1396382447100162',
180             'ext': 'mp4',
181             'title': 'md5:19a428bbde91364e3de815383b54a235',
182             'timestamp': 1486035494,
183             'upload_date': '20170202',
184             'uploader': 'Elisabeth Ahtn',
185         },
186         'params': {
187             'skip_download': True,
188         },
189     }, {
190         'url': 'https://www.facebook.com/video.php?v=10204634152394104',
191         'only_matching': True,
192     }, {
193         'url': 'https://www.facebook.com/amogood/videos/1618742068337349/?fref=nf',
194         'only_matching': True,
195     }, {
196         'url': 'https://www.facebook.com/ChristyClarkForBC/videos/vb.22819070941/10153870694020942/?type=2&theater',
197         'only_matching': True,
198     }, {
199         'url': 'facebook:544765982287235',
200         'only_matching': True,
201     }, {
202         'url': 'https://www.facebook.com/groups/164828000315060/permalink/764967300301124/',
203         'only_matching': True,
204     }, {
205         'url': 'https://zh-hk.facebook.com/peoplespower/videos/1135894589806027/',
206         'only_matching': True,
207     }, {
208         'url': 'https://www.facebookcorewwwi.onion/video.php?v=274175099429670',
209         'only_matching': True,
210     }, {
211         # no title
212         'url': 'https://www.facebook.com/onlycleverentertainment/videos/1947995502095005/',
213         'only_matching': True,
214     }, {
215         'url': 'https://www.facebook.com/WatchESLOne/videos/359649331226507/',
216         'info_dict': {
217             'id': '359649331226507',
218             'ext': 'mp4',
219             'title': '#ESLOne VoD - Birmingham Finals Day#1 Fnatic vs. @Evil Geniuses',
220             'uploader': 'ESL One Dota 2',
221         },
222         'params': {
223             'skip_download': True,
224         },
225     }]
226
227     @staticmethod
228     def _extract_urls(webpage):
229         urls = []
230         for mobj in re.finditer(
231                 r'<iframe[^>]+?src=(["\'])(?P<url>https?://www\.facebook\.com/(?:video/embed|plugins/video\.php).+?)\1',
232                 webpage):
233             urls.append(mobj.group('url'))
234         # Facebook API embed
235         # see https://developers.facebook.com/docs/plugins/embedded-video-player
236         for mobj in re.finditer(r'''(?x)<div[^>]+
237                 class=(?P<q1>[\'"])[^\'"]*\bfb-(?:video|post)\b[^\'"]*(?P=q1)[^>]+
238                 data-href=(?P<q2>[\'"])(?P<url>(?:https?:)?//(?:www\.)?facebook.com/.+?)(?P=q2)''', webpage):
239             urls.append(mobj.group('url'))
240         return urls
241
242     def _login(self):
243         useremail, password = self._get_login_info()
244         if useremail is None:
245             return
246
247         login_page_req = sanitized_Request(self._LOGIN_URL)
248         self._set_cookie('facebook.com', 'locale', 'en_US')
249         login_page = self._download_webpage(login_page_req, None,
250                                             note='Downloading login page',
251                                             errnote='Unable to download login page')
252         lsd = self._search_regex(
253             r'<input type="hidden" name="lsd" value="([^"]*)"',
254             login_page, 'lsd')
255         lgnrnd = self._search_regex(r'name="lgnrnd" value="([^"]*?)"', login_page, 'lgnrnd')
256
257         login_form = {
258             'email': useremail,
259             'pass': password,
260             'lsd': lsd,
261             'lgnrnd': lgnrnd,
262             'next': 'http://facebook.com/home.php',
263             'default_persistent': '0',
264             'legacy_return': '1',
265             'timezone': '-60',
266             'trynum': '1',
267         }
268         request = sanitized_Request(self._LOGIN_URL, urlencode_postdata(login_form))
269         request.add_header('Content-Type', 'application/x-www-form-urlencoded')
270         try:
271             login_results = self._download_webpage(request, None,
272                                                    note='Logging in', errnote='unable to fetch login page')
273             if re.search(r'<form(.*)name="login"(.*)</form>', login_results) is not None:
274                 error = self._html_search_regex(
275                     r'(?s)<div[^>]+class=(["\']).*?login_error_box.*?\1[^>]*><div[^>]*>.*?</div><div[^>]*>(?P<error>.+?)</div>',
276                     login_results, 'login error', default=None, group='error')
277                 if error:
278                     raise ExtractorError('Unable to login: %s' % error, expected=True)
279                 self._downloader.report_warning('unable to log in: bad username/password, or exceeded login rate limit (~3/min). Check credentials or wait.')
280                 return
281
282             fb_dtsg = self._search_regex(
283                 r'name="fb_dtsg" value="(.+?)"', login_results, 'fb_dtsg', default=None)
284             h = self._search_regex(
285                 r'name="h"\s+(?:\w+="[^"]+"\s+)*?value="([^"]+)"', login_results, 'h', default=None)
286
287             if not fb_dtsg or not h:
288                 return
289
290             check_form = {
291                 'fb_dtsg': fb_dtsg,
292                 'h': h,
293                 'name_action_selected': 'dont_save',
294             }
295             check_req = sanitized_Request(self._CHECKPOINT_URL, urlencode_postdata(check_form))
296             check_req.add_header('Content-Type', 'application/x-www-form-urlencoded')
297             check_response = self._download_webpage(check_req, None,
298                                                     note='Confirming login')
299             if re.search(r'id="checkpointSubmitButton"', check_response) is not None:
300                 self._downloader.report_warning('Unable to confirm login, you have to login in your browser and authorize the login.')
301         except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
302             self._downloader.report_warning('unable to log in: %s' % error_to_compat_str(err))
303             return
304
305     def _real_initialize(self):
306         self._login()
307
308     def _extract_from_url(self, url, video_id, fatal_if_no_video=True):
309         req = sanitized_Request(url)
310         req.add_header('User-Agent', self._CHROME_USER_AGENT)
311         webpage = self._download_webpage(req, video_id)
312
313         video_data = None
314
315         def extract_video_data(instances):
316             for item in instances:
317                 if item[1][0] == 'VideoConfig':
318                     video_item = item[2][0]
319                     if video_item.get('video_id'):
320                         return video_item['videoData']
321
322         server_js_data = self._parse_json(self._search_regex(
323             r'handleServerJS\(({.+})(?:\);|,")', webpage,
324             'server js data', default='{}'), video_id, fatal=False)
325
326         if server_js_data:
327             video_data = extract_video_data(server_js_data.get('instances', []))
328
329         def extract_from_jsmods_instances(js_data):
330             if js_data:
331                 return extract_video_data(try_get(
332                     js_data, lambda x: x['jsmods']['instances'], list) or [])
333
334         if not video_data:
335             server_js_data = self._parse_json(
336                 self._search_regex(
337                     r'bigPipe\.onPageletArrive\(({.+?})\)\s*;\s*}\s*\)\s*,\s*["\']onPageletArrive\s+(?:pagelet_group_mall|permalink_video_pagelet|hyperfeed_story_id_\d+)',
338                     webpage, 'js data', default='{}'),
339                 video_id, transform_source=js_to_json, fatal=False)
340             video_data = extract_from_jsmods_instances(server_js_data)
341
342         if not video_data:
343             if not fatal_if_no_video:
344                 return webpage, False
345             m_msg = re.search(r'class="[^"]*uiInterstitialContent[^"]*"><div>(.*?)</div>', webpage)
346             if m_msg is not None:
347                 raise ExtractorError(
348                     'The video is not available, Facebook said: "%s"' % m_msg.group(1),
349                     expected=True)
350             elif '>You must log in to continue' in webpage:
351                 self.raise_login_required()
352
353             # Video info not in first request, do a secondary request using
354             # tahoe player specific URL
355             tahoe_data = self._download_webpage(
356                 self._VIDEO_PAGE_TAHOE_TEMPLATE % video_id, video_id,
357                 data=urlencode_postdata({
358                     '__a': 1,
359                     '__pc': self._search_regex(
360                         r'pkg_cohort["\']\s*:\s*["\'](.+?)["\']', webpage,
361                         'pkg cohort', default='PHASED:DEFAULT'),
362                     '__rev': self._search_regex(
363                         r'client_revision["\']\s*:\s*(\d+),', webpage,
364                         'client revision', default='3944515'),
365                     'fb_dtsg': self._search_regex(
366                         r'"DTSGInitialData"\s*,\s*\[\]\s*,\s*{\s*"token"\s*:\s*"([^"]+)"',
367                         webpage, 'dtsg token', default=''),
368                 }),
369                 headers={
370                     'Content-Type': 'application/x-www-form-urlencoded',
371                 })
372             tahoe_js_data = self._parse_json(
373                 self._search_regex(
374                     r'for\s+\(\s*;\s*;\s*\)\s*;(.+)', tahoe_data,
375                     'tahoe js data', default='{}'),
376                 video_id, fatal=False)
377             video_data = extract_from_jsmods_instances(tahoe_js_data)
378
379         if not video_data:
380             raise ExtractorError('Cannot parse data')
381
382         subtitles = {}
383         formats = []
384         for f in video_data:
385             format_id = f['stream_type']
386             if f and isinstance(f, dict):
387                 f = [f]
388             if not f or not isinstance(f, list):
389                 continue
390             for quality in ('sd', 'hd'):
391                 for src_type in ('src', 'src_no_ratelimit'):
392                     src = f[0].get('%s_%s' % (quality, src_type))
393                     if src:
394                         preference = -10 if format_id == 'progressive' else 0
395                         if quality == 'hd':
396                             preference += 5
397                         formats.append({
398                             'format_id': '%s_%s_%s' % (format_id, quality, src_type),
399                             'url': src,
400                             'preference': preference,
401                         })
402             dash_manifest = f[0].get('dash_manifest')
403             if dash_manifest:
404                 formats.extend(self._parse_mpd_formats(
405                     compat_etree_fromstring(compat_urllib_parse_unquote_plus(dash_manifest))))
406             subtitles_src = f[0].get('subtitles_src')
407             if subtitles_src:
408                 subtitles.setdefault('en', []).append({'url': subtitles_src})
409         if not formats:
410             raise ExtractorError('Cannot find video formats')
411
412         # Downloads with browser's User-Agent are rate limited. Working around
413         # with non-browser User-Agent.
414         for f in formats:
415             f.setdefault('http_headers', {})['User-Agent'] = 'facebookexternalhit/1.1'
416
417         self._sort_formats(formats)
418
419         video_title = self._html_search_regex(
420             r'<h2\s+[^>]*class="uiHeaderTitle"[^>]*>([^<]*)</h2>', webpage,
421             'title', default=None)
422         if not video_title:
423             video_title = self._html_search_regex(
424                 r'(?s)<span class="fbPhotosPhotoCaption".*?id="fbPhotoPageCaption"><span class="hasCaption">(.*?)</span>',
425                 webpage, 'alternative title', default=None)
426         if not video_title:
427             video_title = self._html_search_meta(
428                 'description', webpage, 'title', default=None)
429         if video_title:
430             video_title = limit_length(video_title, 80)
431         else:
432             video_title = 'Facebook video #%s' % video_id
433         uploader = clean_html(get_element_by_id(
434             'fbPhotoPageAuthorName', webpage)) or self._search_regex(
435             r'ownerName\s*:\s*"([^"]+)"', webpage, 'uploader',
436             default=None) or self._og_search_title(webpage, fatal=False)
437         timestamp = int_or_none(self._search_regex(
438             r'<abbr[^>]+data-utime=["\'](\d+)', webpage,
439             'timestamp', default=None))
440         thumbnail = self._html_search_meta(['og:image', 'twitter:image'], webpage)
441
442         view_count = parse_count(self._search_regex(
443             r'\bviewCount\s*:\s*["\']([\d,.]+)', webpage, 'view count',
444             default=None))
445
446         info_dict = {
447             'id': video_id,
448             'title': video_title,
449             'formats': formats,
450             'uploader': uploader,
451             'timestamp': timestamp,
452             'thumbnail': thumbnail,
453             'view_count': view_count,
454             'subtitles': subtitles,
455         }
456
457         return webpage, info_dict
458
459     def _real_extract(self, url):
460         video_id = self._match_id(url)
461
462         real_url = self._VIDEO_PAGE_TEMPLATE % video_id if url.startswith('facebook:') else url
463         webpage, info_dict = self._extract_from_url(real_url, video_id, fatal_if_no_video=False)
464
465         if info_dict:
466             return info_dict
467
468         if '/posts/' in url:
469             video_id_json = self._search_regex(
470                 r'(["\'])video_ids\1\s*:\s*(?P<ids>\[.+?\])', webpage, 'video ids', group='ids',
471                 default='')
472             if video_id_json:
473                 entries = [
474                     self.url_result('facebook:%s' % vid, FacebookIE.ie_key())
475                     for vid in self._parse_json(video_id_json, video_id)]
476                 return self.playlist_result(entries, video_id)
477
478             # Single Video?
479             video_id = self._search_regex(r'video_id:\s*"([0-9]+)"', webpage, 'single video id')
480             return self.url_result('facebook:%s' % video_id, FacebookIE.ie_key())
481         else:
482             _, info_dict = self._extract_from_url(
483                 self._VIDEO_PAGE_TEMPLATE % video_id,
484                 video_id, fatal_if_no_video=True)
485             return info_dict
486
487
488 class FacebookPluginsVideoIE(InfoExtractor):
489     _VALID_URL = r'https?://(?:[\w-]+\.)?facebook\.com/plugins/video\.php\?.*?\bhref=(?P<id>https.+)'
490
491     _TESTS = [{
492         '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',
493         'md5': '5954e92cdfe51fe5782ae9bda7058a07',
494         'info_dict': {
495             'id': '10154383743583686',
496             'ext': 'mp4',
497             'title': 'What to do during the haze?',
498             'uploader': 'Gov.sg',
499             'upload_date': '20160826',
500             'timestamp': 1472184808,
501         },
502         'add_ie': [FacebookIE.ie_key()],
503     }, {
504         'url': 'https://www.facebook.com/plugins/video.php?href=https%3A%2F%2Fwww.facebook.com%2Fvideo.php%3Fv%3D10204634152394104',
505         'only_matching': True,
506     }, {
507         'url': 'https://www.facebook.com/plugins/video.php?href=https://www.facebook.com/gov.sg/videos/10154383743583686/&show_text=0&width=560',
508         'only_matching': True,
509     }]
510
511     def _real_extract(self, url):
512         return self.url_result(
513             compat_urllib_parse_unquote(self._match_id(url)),
514             FacebookIE.ie_key())