]> Raphaël G. Git Repositories - youtubedl/blob - youtube_dl/extractor/facebook.py
4b3f6cc86b57f283f08faedfa481bfbc9719a879
[youtubedl] / 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 sanitized_Request,
24 try_get,
25 urlencode_postdata,
26 )
27
28
29 class FacebookIE(InfoExtractor):
30 _VALID_URL = r'''(?x)
31 (?:
32 https?://
33 (?:[\w-]+\.)?(?:facebook\.com|facebookcorewwwi\.onion)/
34 (?:[^#]*?\#!/)?
35 (?:
36 (?:
37 video/video\.php|
38 photo\.php|
39 video\.php|
40 video/embed|
41 story\.php
42 )\?(?:.*?)(?:v|video_id|story_fbid)=|
43 [^/]+/videos/(?:[^/]+/)?|
44 [^/]+/posts/|
45 groups/[^/]+/permalink/
46 )|
47 facebook:
48 )
49 (?P<id>[0-9]+)
50 '''
51 _LOGIN_URL = 'https://www.facebook.com/login.php?next=http%3A%2F%2Ffacebook.com%2Fhome.php&login_attempt=1'
52 _CHECKPOINT_URL = 'https://www.facebook.com/checkpoint/?next=http%3A%2F%2Ffacebook.com%2Fhome.php&_fb_noscript=1'
53 _NETRC_MACHINE = 'facebook'
54 IE_NAME = 'facebook'
55
56 _CHROME_USER_AGENT = 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.97 Safari/537.36'
57
58 _VIDEO_PAGE_TEMPLATE = 'https://www.facebook.com/video/video.php?v=%s'
59
60 _TESTS = [{
61 'url': 'https://www.facebook.com/video.php?v=637842556329505&fref=nf',
62 'md5': '6a40d33c0eccbb1af76cf0485a052659',
63 'info_dict': {
64 'id': '637842556329505',
65 'ext': 'mp4',
66 'title': 're:Did you know Kei Nishikori is the first Asian man to ever reach a Grand Slam',
67 'uploader': 'Tennis on Facebook',
68 'upload_date': '20140908',
69 'timestamp': 1410199200,
70 }
71 }, {
72 'note': 'Video without discernible title',
73 'url': 'https://www.facebook.com/video.php?v=274175099429670',
74 'info_dict': {
75 'id': '274175099429670',
76 'ext': 'mp4',
77 'title': 'Asif Nawab Butt posted a video to his Timeline.',
78 'uploader': 'Asif Nawab Butt',
79 'upload_date': '20140506',
80 'timestamp': 1399398998,
81 },
82 'expected_warnings': [
83 'title'
84 ]
85 }, {
86 'note': 'Video with DASH manifest',
87 'url': 'https://www.facebook.com/video.php?v=957955867617029',
88 'md5': 'b2c28d528273b323abe5c6ab59f0f030',
89 'info_dict': {
90 'id': '957955867617029',
91 'ext': 'mp4',
92 'title': 'When you post epic content on instagram.com/433 8 million followers, this is ...',
93 'uploader': 'Demy de Zeeuw',
94 'upload_date': '20160110',
95 'timestamp': 1452431627,
96 },
97 }, {
98 'url': 'https://www.facebook.com/maxlayn/posts/10153807558977570',
99 'md5': '037b1fa7f3c2d02b7a0d7bc16031ecc6',
100 'info_dict': {
101 'id': '544765982287235',
102 'ext': 'mp4',
103 'title': '"What are you doing running in the snow?"',
104 'uploader': 'FailArmy',
105 },
106 'skip': 'Video gone',
107 }, {
108 'url': 'https://m.facebook.com/story.php?story_fbid=1035862816472149&id=116132035111903',
109 'md5': '1deb90b6ac27f7efcf6d747c8a27f5e3',
110 'info_dict': {
111 'id': '1035862816472149',
112 'ext': 'mp4',
113 'title': 'What the Flock Is Going On In New Zealand Credit: ViralHog',
114 'uploader': 'S. Saint',
115 },
116 'skip': 'Video gone',
117 }, {
118 'note': 'swf params escaped',
119 'url': 'https://www.facebook.com/barackobama/posts/10153664894881749',
120 'md5': '97ba073838964d12c70566e0085c2b91',
121 'info_dict': {
122 'id': '10153664894881749',
123 'ext': 'mp4',
124 'title': 'Facebook video #10153664894881749',
125 },
126 }, {
127 # have 1080P, but only up to 720p in swf params
128 'url': 'https://www.facebook.com/cnn/videos/10155529876156509/',
129 'md5': '0d9813160b146b3bc8744e006027fcc6',
130 'info_dict': {
131 'id': '10155529876156509',
132 'ext': 'mp4',
133 'title': 'Holocaust survivor becomes US citizen',
134 'timestamp': 1477818095,
135 'upload_date': '20161030',
136 'uploader': 'CNN',
137 },
138 }, {
139 # bigPipe.onPageletArrive ... onPageletArrive pagelet_group_mall
140 'url': 'https://www.facebook.com/yaroslav.korpan/videos/1417995061575415/',
141 'info_dict': {
142 'id': '1417995061575415',
143 'ext': 'mp4',
144 'title': 'md5:a7b86ca673f51800cd54687b7f4012fe',
145 'timestamp': 1486648217,
146 'upload_date': '20170209',
147 'uploader': 'Yaroslav Korpan',
148 },
149 'params': {
150 'skip_download': True,
151 },
152 }, {
153 'url': 'https://www.facebook.com/LaGuiaDelVaron/posts/1072691702860471',
154 'info_dict': {
155 'id': '1072691702860471',
156 'ext': 'mp4',
157 'title': 'md5:ae2d22a93fbb12dad20dc393a869739d',
158 'timestamp': 1477305000,
159 'upload_date': '20161024',
160 'uploader': 'La Guía Del Varón',
161 },
162 'params': {
163 'skip_download': True,
164 },
165 }, {
166 'url': 'https://www.facebook.com/groups/1024490957622648/permalink/1396382447100162/',
167 'info_dict': {
168 'id': '1396382447100162',
169 'ext': 'mp4',
170 'title': 'md5:e2d2700afdf84e121f5d0f999bad13a3',
171 'timestamp': 1486035494,
172 'upload_date': '20170202',
173 'uploader': 'Elisabeth Ahtn',
174 },
175 'params': {
176 'skip_download': True,
177 },
178 }, {
179 'url': 'https://www.facebook.com/video.php?v=10204634152394104',
180 'only_matching': True,
181 }, {
182 'url': 'https://www.facebook.com/amogood/videos/1618742068337349/?fref=nf',
183 'only_matching': True,
184 }, {
185 'url': 'https://www.facebook.com/ChristyClarkForBC/videos/vb.22819070941/10153870694020942/?type=2&theater',
186 'only_matching': True,
187 }, {
188 'url': 'facebook:544765982287235',
189 'only_matching': True,
190 }, {
191 'url': 'https://www.facebook.com/groups/164828000315060/permalink/764967300301124/',
192 'only_matching': True,
193 }, {
194 'url': 'https://zh-hk.facebook.com/peoplespower/videos/1135894589806027/',
195 'only_matching': True,
196 }, {
197 'url': 'https://www.facebookcorewwwi.onion/video.php?v=274175099429670',
198 'only_matching': True,
199 }, {
200 # no title
201 'url': 'https://www.facebook.com/onlycleverentertainment/videos/1947995502095005/',
202 'only_matching': True,
203 }]
204
205 @staticmethod
206 def _extract_urls(webpage):
207 urls = []
208 for mobj in re.finditer(
209 r'<iframe[^>]+?src=(["\'])(?P<url>https?://www\.facebook\.com/(?:video/embed|plugins/video\.php).+?)\1',
210 webpage):
211 urls.append(mobj.group('url'))
212 # Facebook API embed
213 # see https://developers.facebook.com/docs/plugins/embedded-video-player
214 for mobj in re.finditer(r'''(?x)<div[^>]+
215 class=(?P<q1>[\'"])[^\'"]*\bfb-(?:video|post)\b[^\'"]*(?P=q1)[^>]+
216 data-href=(?P<q2>[\'"])(?P<url>(?:https?:)?//(?:www\.)?facebook.com/.+?)(?P=q2)''', webpage):
217 urls.append(mobj.group('url'))
218 return urls
219
220 def _login(self):
221 (useremail, password) = self._get_login_info()
222 if useremail is None:
223 return
224
225 login_page_req = sanitized_Request(self._LOGIN_URL)
226 self._set_cookie('facebook.com', 'locale', 'en_US')
227 login_page = self._download_webpage(login_page_req, None,
228 note='Downloading login page',
229 errnote='Unable to download login page')
230 lsd = self._search_regex(
231 r'<input type="hidden" name="lsd" value="([^"]*)"',
232 login_page, 'lsd')
233 lgnrnd = self._search_regex(r'name="lgnrnd" value="([^"]*?)"', login_page, 'lgnrnd')
234
235 login_form = {
236 'email': useremail,
237 'pass': password,
238 'lsd': lsd,
239 'lgnrnd': lgnrnd,
240 'next': 'http://facebook.com/home.php',
241 'default_persistent': '0',
242 'legacy_return': '1',
243 'timezone': '-60',
244 'trynum': '1',
245 }
246 request = sanitized_Request(self._LOGIN_URL, urlencode_postdata(login_form))
247 request.add_header('Content-Type', 'application/x-www-form-urlencoded')
248 try:
249 login_results = self._download_webpage(request, None,
250 note='Logging in', errnote='unable to fetch login page')
251 if re.search(r'<form(.*)name="login"(.*)</form>', login_results) is not None:
252 error = self._html_search_regex(
253 r'(?s)<div[^>]+class=(["\']).*?login_error_box.*?\1[^>]*><div[^>]*>.*?</div><div[^>]*>(?P<error>.+?)</div>',
254 login_results, 'login error', default=None, group='error')
255 if error:
256 raise ExtractorError('Unable to login: %s' % error, expected=True)
257 self._downloader.report_warning('unable to log in: bad username/password, or exceeded login rate limit (~3/min). Check credentials or wait.')
258 return
259
260 fb_dtsg = self._search_regex(
261 r'name="fb_dtsg" value="(.+?)"', login_results, 'fb_dtsg', default=None)
262 h = self._search_regex(
263 r'name="h"\s+(?:\w+="[^"]+"\s+)*?value="([^"]+)"', login_results, 'h', default=None)
264
265 if not fb_dtsg or not h:
266 return
267
268 check_form = {
269 'fb_dtsg': fb_dtsg,
270 'h': h,
271 'name_action_selected': 'dont_save',
272 }
273 check_req = sanitized_Request(self._CHECKPOINT_URL, urlencode_postdata(check_form))
274 check_req.add_header('Content-Type', 'application/x-www-form-urlencoded')
275 check_response = self._download_webpage(check_req, None,
276 note='Confirming login')
277 if re.search(r'id="checkpointSubmitButton"', check_response) is not None:
278 self._downloader.report_warning('Unable to confirm login, you have to login in your browser and authorize the login.')
279 except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
280 self._downloader.report_warning('unable to log in: %s' % error_to_compat_str(err))
281 return
282
283 def _real_initialize(self):
284 self._login()
285
286 def _extract_from_url(self, url, video_id, fatal_if_no_video=True):
287 req = sanitized_Request(url)
288 req.add_header('User-Agent', self._CHROME_USER_AGENT)
289 webpage = self._download_webpage(req, video_id)
290
291 video_data = None
292
293 def extract_video_data(instances):
294 for item in instances:
295 if item[1][0] == 'VideoConfig':
296 video_item = item[2][0]
297 if video_item.get('video_id'):
298 return video_item['videoData']
299
300 server_js_data = self._parse_json(self._search_regex(
301 r'handleServerJS\(({.+})(?:\);|,")', webpage,
302 'server js data', default='{}'), video_id, fatal=False)
303
304 if server_js_data:
305 video_data = extract_video_data(server_js_data.get('instances', []))
306
307 if not video_data:
308 server_js_data = self._parse_json(
309 self._search_regex(
310 r'bigPipe\.onPageletArrive\(({.+?})\)\s*;\s*}\s*\)\s*,\s*["\']onPageletArrive\s+(?:stream_pagelet|pagelet_group_mall|permalink_video_pagelet)',
311 webpage, 'js data', default='{}'),
312 video_id, transform_source=js_to_json, fatal=False)
313 if server_js_data:
314 video_data = extract_video_data(try_get(
315 server_js_data, lambda x: x['jsmods']['instances'],
316 list) or [])
317
318 if not video_data:
319 if not fatal_if_no_video:
320 return webpage, False
321 m_msg = re.search(r'class="[^"]*uiInterstitialContent[^"]*"><div>(.*?)</div>', webpage)
322 if m_msg is not None:
323 raise ExtractorError(
324 'The video is not available, Facebook said: "%s"' % m_msg.group(1),
325 expected=True)
326 elif '>You must log in to continue' in webpage:
327 self.raise_login_required()
328 else:
329 raise ExtractorError('Cannot parse data')
330
331 formats = []
332 for f in video_data:
333 format_id = f['stream_type']
334 if f and isinstance(f, dict):
335 f = [f]
336 if not f or not isinstance(f, list):
337 continue
338 for quality in ('sd', 'hd'):
339 for src_type in ('src', 'src_no_ratelimit'):
340 src = f[0].get('%s_%s' % (quality, src_type))
341 if src:
342 preference = -10 if format_id == 'progressive' else 0
343 if quality == 'hd':
344 preference += 5
345 formats.append({
346 'format_id': '%s_%s_%s' % (format_id, quality, src_type),
347 'url': src,
348 'preference': preference,
349 })
350 dash_manifest = f[0].get('dash_manifest')
351 if dash_manifest:
352 formats.extend(self._parse_mpd_formats(
353 compat_etree_fromstring(compat_urllib_parse_unquote_plus(dash_manifest))))
354 if not formats:
355 raise ExtractorError('Cannot find video formats')
356
357 self._sort_formats(formats)
358
359 video_title = self._html_search_regex(
360 r'<h2\s+[^>]*class="uiHeaderTitle"[^>]*>([^<]*)</h2>', webpage,
361 'title', default=None)
362 if not video_title:
363 video_title = self._html_search_regex(
364 r'(?s)<span class="fbPhotosPhotoCaption".*?id="fbPhotoPageCaption"><span class="hasCaption">(.*?)</span>',
365 webpage, 'alternative title', default=None)
366 if not video_title:
367 video_title = self._html_search_meta(
368 'description', webpage, 'title', default=None)
369 if video_title:
370 video_title = limit_length(video_title, 80)
371 else:
372 video_title = 'Facebook video #%s' % video_id
373 uploader = clean_html(get_element_by_id(
374 'fbPhotoPageAuthorName', webpage)) or self._search_regex(
375 r'ownerName\s*:\s*"([^"]+)"', webpage, 'uploader', fatal=False)
376 timestamp = int_or_none(self._search_regex(
377 r'<abbr[^>]+data-utime=["\'](\d+)', webpage,
378 'timestamp', default=None))
379
380 info_dict = {
381 'id': video_id,
382 'title': video_title,
383 'formats': formats,
384 'uploader': uploader,
385 'timestamp': timestamp,
386 }
387
388 return webpage, info_dict
389
390 def _real_extract(self, url):
391 video_id = self._match_id(url)
392
393 real_url = self._VIDEO_PAGE_TEMPLATE % video_id if url.startswith('facebook:') else url
394 webpage, info_dict = self._extract_from_url(real_url, video_id, fatal_if_no_video=False)
395
396 if info_dict:
397 return info_dict
398
399 if '/posts/' in url:
400 entries = [
401 self.url_result('facebook:%s' % vid, FacebookIE.ie_key())
402 for vid in self._parse_json(
403 self._search_regex(
404 r'(["\'])video_ids\1\s*:\s*(?P<ids>\[.+?\])',
405 webpage, 'video ids', group='ids'),
406 video_id)]
407
408 return self.playlist_result(entries, video_id)
409 else:
410 _, info_dict = self._extract_from_url(
411 self._VIDEO_PAGE_TEMPLATE % video_id,
412 video_id, fatal_if_no_video=True)
413 return info_dict
414
415
416 class FacebookPluginsVideoIE(InfoExtractor):
417 _VALID_URL = r'https?://(?:[\w-]+\.)?facebook\.com/plugins/video\.php\?.*?\bhref=(?P<id>https.+)'
418
419 _TESTS = [{
420 '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',
421 'md5': '5954e92cdfe51fe5782ae9bda7058a07',
422 'info_dict': {
423 'id': '10154383743583686',
424 'ext': 'mp4',
425 'title': 'What to do during the haze?',
426 'uploader': 'Gov.sg',
427 'upload_date': '20160826',
428 'timestamp': 1472184808,
429 },
430 'add_ie': [FacebookIE.ie_key()],
431 }, {
432 'url': 'https://www.facebook.com/plugins/video.php?href=https%3A%2F%2Fwww.facebook.com%2Fvideo.php%3Fv%3D10204634152394104',
433 'only_matching': True,
434 }, {
435 'url': 'https://www.facebook.com/plugins/video.php?href=https://www.facebook.com/gov.sg/videos/10154383743583686/&show_text=0&width=560',
436 'only_matching': True,
437 }]
438
439 def _real_extract(self, url):
440 return self.url_result(
441 compat_urllib_parse_unquote(self._match_id(url)),
442 FacebookIE.ie_key())