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1 | from __future__ import unicode_literals | |
2 | ||
3 | import json | |
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 | error_to_compat_str, | |
17 | ExtractorError, | |
18 | limit_length, | |
19 | sanitized_Request, | |
20 | urlencode_postdata, | |
21 | get_element_by_id, | |
22 | clean_html, | |
23 | ) | |
24 | ||
25 | ||
26 | class FacebookIE(InfoExtractor): | |
27 | _VALID_URL = r'''(?x) | |
28 | (?: | |
29 | https?:// | |
30 | (?:\w+\.)?facebook\.com/ | |
31 | (?:[^#]*?\#!/)? | |
32 | (?: | |
33 | (?: | |
34 | video/video\.php| | |
35 | photo\.php| | |
36 | video\.php| | |
37 | video/embed | |
38 | )\?(?:.*?)(?:v|video_id)=| | |
39 | [^/]+/videos/(?:[^/]+/)? | |
40 | )| | |
41 | facebook: | |
42 | ) | |
43 | (?P<id>[0-9]+) | |
44 | ''' | |
45 | _LOGIN_URL = 'https://www.facebook.com/login.php?next=http%3A%2F%2Ffacebook.com%2Fhome.php&login_attempt=1' | |
46 | _CHECKPOINT_URL = 'https://www.facebook.com/checkpoint/?next=http%3A%2F%2Ffacebook.com%2Fhome.php&_fb_noscript=1' | |
47 | _NETRC_MACHINE = 'facebook' | |
48 | IE_NAME = 'facebook' | |
49 | ||
50 | _CHROME_USER_AGENT = 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.97 Safari/537.36' | |
51 | ||
52 | _TESTS = [{ | |
53 | 'url': 'https://www.facebook.com/video.php?v=637842556329505&fref=nf', | |
54 | 'md5': '6a40d33c0eccbb1af76cf0485a052659', | |
55 | 'info_dict': { | |
56 | 'id': '637842556329505', | |
57 | 'ext': 'mp4', | |
58 | 'title': 're:Did you know Kei Nishikori is the first Asian man to ever reach a Grand Slam', | |
59 | 'uploader': 'Tennis on Facebook', | |
60 | } | |
61 | }, { | |
62 | 'note': 'Video without discernible title', | |
63 | 'url': 'https://www.facebook.com/video.php?v=274175099429670', | |
64 | 'info_dict': { | |
65 | 'id': '274175099429670', | |
66 | 'ext': 'mp4', | |
67 | 'title': 'Facebook video #274175099429670', | |
68 | 'uploader': 'Asif Nawab Butt', | |
69 | }, | |
70 | 'expected_warnings': [ | |
71 | 'title' | |
72 | ] | |
73 | }, { | |
74 | 'note': 'Video with DASH manifest', | |
75 | 'url': 'https://www.facebook.com/video.php?v=957955867617029', | |
76 | 'md5': '54706e4db4f5ad58fbad82dde1f1213f', | |
77 | 'info_dict': { | |
78 | 'id': '957955867617029', | |
79 | 'ext': 'mp4', | |
80 | 'title': 'When you post epic content on instagram.com/433 8 million followers, this is ...', | |
81 | 'uploader': 'Demy de Zeeuw', | |
82 | }, | |
83 | }, { | |
84 | 'url': 'https://www.facebook.com/video.php?v=10204634152394104', | |
85 | 'only_matching': True, | |
86 | }, { | |
87 | 'url': 'https://www.facebook.com/amogood/videos/1618742068337349/?fref=nf', | |
88 | 'only_matching': True, | |
89 | }, { | |
90 | 'url': 'https://www.facebook.com/ChristyClarkForBC/videos/vb.22819070941/10153870694020942/?type=2&theater', | |
91 | 'only_matching': True, | |
92 | }, { | |
93 | 'url': 'facebook:544765982287235', | |
94 | 'only_matching': True, | |
95 | }] | |
96 | ||
97 | def _login(self): | |
98 | (useremail, password) = self._get_login_info() | |
99 | if useremail is None: | |
100 | return | |
101 | ||
102 | login_page_req = sanitized_Request(self._LOGIN_URL) | |
103 | self._set_cookie('facebook.com', 'locale', 'en_US') | |
104 | login_page = self._download_webpage(login_page_req, None, | |
105 | note='Downloading login page', | |
106 | errnote='Unable to download login page') | |
107 | lsd = self._search_regex( | |
108 | r'<input type="hidden" name="lsd" value="([^"]*)"', | |
109 | login_page, 'lsd') | |
110 | lgnrnd = self._search_regex(r'name="lgnrnd" value="([^"]*?)"', login_page, 'lgnrnd') | |
111 | ||
112 | login_form = { | |
113 | 'email': useremail, | |
114 | 'pass': password, | |
115 | 'lsd': lsd, | |
116 | 'lgnrnd': lgnrnd, | |
117 | 'next': 'http://facebook.com/home.php', | |
118 | 'default_persistent': '0', | |
119 | 'legacy_return': '1', | |
120 | 'timezone': '-60', | |
121 | 'trynum': '1', | |
122 | } | |
123 | request = sanitized_Request(self._LOGIN_URL, urlencode_postdata(login_form)) | |
124 | request.add_header('Content-Type', 'application/x-www-form-urlencoded') | |
125 | try: | |
126 | login_results = self._download_webpage(request, None, | |
127 | note='Logging in', errnote='unable to fetch login page') | |
128 | if re.search(r'<form(.*)name="login"(.*)</form>', login_results) is not None: | |
129 | error = self._html_search_regex( | |
130 | r'(?s)<div[^>]+class=(["\']).*?login_error_box.*?\1[^>]*><div[^>]*>.*?</div><div[^>]*>(?P<error>.+?)</div>', | |
131 | login_results, 'login error', default=None, group='error') | |
132 | if error: | |
133 | raise ExtractorError('Unable to login: %s' % error, expected=True) | |
134 | self._downloader.report_warning('unable to log in: bad username/password, or exceeded login rate limit (~3/min). Check credentials or wait.') | |
135 | return | |
136 | ||
137 | fb_dtsg = self._search_regex( | |
138 | r'name="fb_dtsg" value="(.+?)"', login_results, 'fb_dtsg', default=None) | |
139 | h = self._search_regex( | |
140 | r'name="h"\s+(?:\w+="[^"]+"\s+)*?value="([^"]+)"', login_results, 'h', default=None) | |
141 | ||
142 | if not fb_dtsg or not h: | |
143 | return | |
144 | ||
145 | check_form = { | |
146 | 'fb_dtsg': fb_dtsg, | |
147 | 'h': h, | |
148 | 'name_action_selected': 'dont_save', | |
149 | } | |
150 | check_req = sanitized_Request(self._CHECKPOINT_URL, urlencode_postdata(check_form)) | |
151 | check_req.add_header('Content-Type', 'application/x-www-form-urlencoded') | |
152 | check_response = self._download_webpage(check_req, None, | |
153 | note='Confirming login') | |
154 | if re.search(r'id="checkpointSubmitButton"', check_response) is not None: | |
155 | self._downloader.report_warning('Unable to confirm login, you have to login in your browser and authorize the login.') | |
156 | except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: | |
157 | self._downloader.report_warning('unable to log in: %s' % error_to_compat_str(err)) | |
158 | return | |
159 | ||
160 | def _real_initialize(self): | |
161 | self._login() | |
162 | ||
163 | def _real_extract(self, url): | |
164 | video_id = self._match_id(url) | |
165 | req = sanitized_Request('https://www.facebook.com/video/video.php?v=%s' % video_id) | |
166 | req.add_header('User-Agent', self._CHROME_USER_AGENT) | |
167 | webpage = self._download_webpage(req, video_id) | |
168 | ||
169 | video_data = None | |
170 | ||
171 | BEFORE = '{swf.addParam(param[0], param[1]);});\n' | |
172 | AFTER = '.forEach(function(variable) {swf.addVariable(variable[0], variable[1]);});' | |
173 | m = re.search(re.escape(BEFORE) + '(.*?)' + re.escape(AFTER), webpage) | |
174 | if m: | |
175 | data = dict(json.loads(m.group(1))) | |
176 | params_raw = compat_urllib_parse_unquote(data['params']) | |
177 | video_data = json.loads(params_raw)['video_data'] | |
178 | ||
179 | def video_data_list2dict(video_data): | |
180 | ret = {} | |
181 | for item in video_data: | |
182 | format_id = item['stream_type'] | |
183 | ret.setdefault(format_id, []).append(item) | |
184 | return ret | |
185 | ||
186 | if not video_data: | |
187 | server_js_data = self._parse_json(self._search_regex( | |
188 | r'handleServerJS\(({.+})\);', webpage, 'server js data'), video_id) | |
189 | for item in server_js_data.get('instances', []): | |
190 | if item[1][0] == 'VideoConfig': | |
191 | video_data = video_data_list2dict(item[2][0]['videoData']) | |
192 | break | |
193 | ||
194 | if not video_data: | |
195 | m_msg = re.search(r'class="[^"]*uiInterstitialContent[^"]*"><div>(.*?)</div>', webpage) | |
196 | if m_msg is not None: | |
197 | raise ExtractorError( | |
198 | 'The video is not available, Facebook said: "%s"' % m_msg.group(1), | |
199 | expected=True) | |
200 | else: | |
201 | raise ExtractorError('Cannot parse data') | |
202 | ||
203 | formats = [] | |
204 | for format_id, f in video_data.items(): | |
205 | if not f or not isinstance(f, list): | |
206 | continue | |
207 | for quality in ('sd', 'hd'): | |
208 | for src_type in ('src', 'src_no_ratelimit'): | |
209 | src = f[0].get('%s_%s' % (quality, src_type)) | |
210 | if src: | |
211 | formats.append({ | |
212 | 'format_id': '%s_%s_%s' % (format_id, quality, src_type), | |
213 | 'url': src, | |
214 | 'preference': -10 if format_id == 'progressive' else 0, | |
215 | }) | |
216 | dash_manifest = f[0].get('dash_manifest') | |
217 | if dash_manifest: | |
218 | formats.extend(self._parse_mpd_formats( | |
219 | compat_etree_fromstring(compat_urllib_parse_unquote_plus(dash_manifest)))) | |
220 | if not formats: | |
221 | raise ExtractorError('Cannot find video formats') | |
222 | ||
223 | self._sort_formats(formats) | |
224 | ||
225 | video_title = self._html_search_regex( | |
226 | r'<h2\s+[^>]*class="uiHeaderTitle"[^>]*>([^<]*)</h2>', webpage, 'title', | |
227 | default=None) | |
228 | if not video_title: | |
229 | video_title = self._html_search_regex( | |
230 | r'(?s)<span class="fbPhotosPhotoCaption".*?id="fbPhotoPageCaption"><span class="hasCaption">(.*?)</span>', | |
231 | webpage, 'alternative title', default=None) | |
232 | video_title = limit_length(video_title, 80) | |
233 | if not video_title: | |
234 | video_title = 'Facebook video #%s' % video_id | |
235 | uploader = clean_html(get_element_by_id('fbPhotoPageAuthorName', webpage)) | |
236 | ||
237 | return { | |
238 | 'id': video_id, | |
239 | 'title': video_title, | |
240 | 'formats': formats, | |
241 | 'uploader': uploader, | |
242 | } | |
243 | ||
244 | ||
245 | class FacebookPostIE(InfoExtractor): | |
246 | IE_NAME = 'facebook:post' | |
247 | _VALID_URL = r'https?://(?:\w+\.)?facebook\.com/[^/]+/posts/(?P<id>\d+)' | |
248 | _TEST = { | |
249 | 'url': 'https://www.facebook.com/maxlayn/posts/10153807558977570', | |
250 | 'md5': '037b1fa7f3c2d02b7a0d7bc16031ecc6', | |
251 | 'info_dict': { | |
252 | 'id': '544765982287235', | |
253 | 'ext': 'mp4', | |
254 | 'title': '"What are you doing running in the snow?"', | |
255 | 'uploader': 'FailArmy', | |
256 | } | |
257 | } | |
258 | ||
259 | def _real_extract(self, url): | |
260 | post_id = self._match_id(url) | |
261 | ||
262 | webpage = self._download_webpage(url, post_id) | |
263 | ||
264 | entries = [ | |
265 | self.url_result('facebook:%s' % video_id, FacebookIE.ie_key()) | |
266 | for video_id in self._parse_json( | |
267 | self._search_regex( | |
268 | r'(["\'])video_ids\1\s*:\s*(?P<ids>\[.+?\])', | |
269 | webpage, 'video ids', group='ids'), | |
270 | post_id)] | |
271 | ||
272 | return self.playlist_result(entries, post_id) |