]> git.bitcoin.ninja Git - youtube-dl/blob - youtube_dl/extractor/facebook.py
Merge branch 'ustream-embed-recorded2' of https://github.com/anovicecodemonkey/youtub...
[youtube-dl] / youtube_dl / extractor / facebook.py
1 from __future__ import unicode_literals
2
3 import json
4 import re
5 import socket
6
7 from .common import InfoExtractor
8 from ..utils import (
9     compat_http_client,
10     compat_str,
11     compat_urllib_error,
12     compat_urllib_parse,
13     compat_urllib_request,
14     urlencode_postdata,
15
16     ExtractorError,
17 )
18
19
20 class FacebookIE(InfoExtractor):
21     _VALID_URL = r'''(?x)
22         https?://(?:\w+\.)?facebook\.com/
23         (?:[^#?]*\#!/)?
24         (?:video/video\.php|photo\.php|video/embed)\?(?:.*?)
25         (?:v|video_id)=(?P<id>[0-9]+)
26         (?:.*)'''
27     _LOGIN_URL = 'https://www.facebook.com/login.php?next=http%3A%2F%2Ffacebook.com%2Fhome.php&login_attempt=1'
28     _CHECKPOINT_URL = 'https://www.facebook.com/checkpoint/?next=http%3A%2F%2Ffacebook.com%2Fhome.php&_fb_noscript=1'
29     _NETRC_MACHINE = 'facebook'
30     IE_NAME = 'facebook'
31     _TEST = {
32         'url': 'https://www.facebook.com/photo.php?v=120708114770723',
33         'md5': '48975a41ccc4b7a581abd68651c1a5a8',
34         'info_dict': {
35             'id': '120708114770723',
36             'ext': 'mp4',
37             'duration': 279,
38             'title': 'PEOPLE ARE AWESOME 2013',
39         }
40     }
41
42     def _login(self):
43         (useremail, password) = self._get_login_info()
44         if useremail is None:
45             return
46
47         login_page_req = compat_urllib_request.Request(self._LOGIN_URL)
48         login_page_req.add_header('Cookie', 'locale=en_US')
49         login_page = self._download_webpage(login_page_req, None,
50             note='Downloading login page',
51             errnote='Unable to download login page')
52         lsd = self._search_regex(
53             r'<input type="hidden" name="lsd" value="([^"]*)"',
54             login_page, 'lsd')
55         lgnrnd = self._search_regex(r'name="lgnrnd" value="([^"]*?)"', login_page, 'lgnrnd')
56
57         login_form = {
58             'email': useremail,
59             'pass': password,
60             'lsd': lsd,
61             'lgnrnd': lgnrnd,
62             'next': 'http://facebook.com/home.php',
63             'default_persistent': '0',
64             'legacy_return': '1',
65             'timezone': '-60',
66             'trynum': '1',
67             }
68         request = compat_urllib_request.Request(self._LOGIN_URL, urlencode_postdata(login_form))
69         request.add_header('Content-Type', 'application/x-www-form-urlencoded')
70         try:
71             login_results = self._download_webpage(request, None,
72                 note='Logging in', errnote='unable to fetch login page')
73             if re.search(r'<form(.*)name="login"(.*)</form>', login_results) is not None:
74                 self._downloader.report_warning('unable to log in: bad username/password, or exceded login rate limit (~3/min). Check credentials or wait.')
75                 return
76
77             check_form = {
78                 'fb_dtsg': self._search_regex(r'name="fb_dtsg" value="(.+?)"', login_results, 'fb_dtsg'),
79                 'h': self._search_regex(r'name="h" value="(\w*?)"', login_results, 'h'),
80                 'name_action_selected': 'dont_save',
81             }
82             check_req = compat_urllib_request.Request(self._CHECKPOINT_URL, urlencode_postdata(check_form))
83             check_req.add_header('Content-Type', 'application/x-www-form-urlencoded')
84             check_response = self._download_webpage(check_req, None,
85                 note='Confirming login')
86             if re.search(r'id="checkpointSubmitButton"', check_response) is not None:
87                 self._downloader.report_warning('Unable to confirm login, you have to login in your brower and authorize the login.')
88         except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
89             self._downloader.report_warning('unable to log in: %s' % compat_str(err))
90             return
91
92     def _real_initialize(self):
93         self._login()
94
95     def _real_extract(self, url):
96         mobj = re.match(self._VALID_URL, url)
97         video_id = mobj.group('id')
98
99         url = 'https://www.facebook.com/video/video.php?v=%s' % video_id
100         webpage = self._download_webpage(url, video_id)
101
102         BEFORE = '{swf.addParam(param[0], param[1]);});\n'
103         AFTER = '.forEach(function(variable) {swf.addVariable(variable[0], variable[1]);});'
104         m = re.search(re.escape(BEFORE) + '(.*?)' + re.escape(AFTER), webpage)
105         if not m:
106             m_msg = re.search(r'class="[^"]*uiInterstitialContent[^"]*"><div>(.*?)</div>', webpage)
107             if m_msg is not None:
108                 raise ExtractorError(
109                     'The video is not available, Facebook said: "%s"' % m_msg.group(1),
110                     expected=True)
111             else:
112                 raise ExtractorError('Cannot parse data')
113         data = dict(json.loads(m.group(1)))
114         params_raw = compat_urllib_parse.unquote(data['params'])
115         params = json.loads(params_raw)
116         video_data = params['video_data'][0]
117         video_url = video_data.get('hd_src')
118         if not video_url:
119             video_url = video_data['sd_src']
120         if not video_url:
121             raise ExtractorError('Cannot find video URL')
122
123         video_title = self._html_search_regex(
124             r'<h2 class="uiHeaderTitle">([^<]*)</h2>', webpage, 'title')
125
126         return {
127             'id': video_id,
128             'title': video_title,
129             'url': video_url,
130             'duration': int(video_data['video_duration']),
131             'thumbnail': video_data['thumbnail_src'],
132         }