from __future__ import unicode_literals import json import re import socket from .common import InfoExtractor from ..compat import ( compat_etree_fromstring, compat_http_client, compat_urllib_error, compat_urllib_parse_unquote, compat_urllib_parse_unquote_plus, ) from ..utils import ( error_to_compat_str, ExtractorError, limit_length, sanitized_Request, urlencode_postdata, get_element_by_id, clean_html, ) class FacebookIE(InfoExtractor): _VALID_URL = r'''(?x) (?: https?:// (?:\w+\.)?facebook\.com/ (?:[^#]*?\#!/)? (?: (?: video/video\.php| photo\.php| video\.php| video/embed| story\.php )\?(?:.*?)(?:v|video_id|story_fbid)=| [^/]+/videos/(?:[^/]+/)?| [^/]+/posts/| groups/[^/]+/permalink/ )| facebook: ) (?P<id>[0-9]+) ''' _LOGIN_URL = 'https://www.facebook.com/login.php?next=http%3A%2F%2Ffacebook.com%2Fhome.php&login_attempt=1' _CHECKPOINT_URL = 'https://www.facebook.com/checkpoint/?next=http%3A%2F%2Ffacebook.com%2Fhome.php&_fb_noscript=1' _NETRC_MACHINE = 'facebook' IE_NAME = 'facebook' _CHROME_USER_AGENT = 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.97 Safari/537.36' _VIDEO_PAGE_TEMPLATE = 'https://www.facebook.com/video/video.php?v=%s' _TESTS = [{ 'url': 'https://www.facebook.com/video.php?v=637842556329505&fref=nf', 'md5': '6a40d33c0eccbb1af76cf0485a052659', 'info_dict': { 'id': '637842556329505', 'ext': 'mp4', 'title': 're:Did you know Kei Nishikori is the first Asian man to ever reach a Grand Slam', 'uploader': 'Tennis on Facebook', } }, { 'note': 'Video without discernible title', 'url': 'https://www.facebook.com/video.php?v=274175099429670', 'info_dict': { 'id': '274175099429670', 'ext': 'mp4', 'title': 'Facebook video #274175099429670', 'uploader': 'Asif Nawab Butt', }, 'expected_warnings': [ 'title' ] }, { 'note': 'Video with DASH manifest', 'url': 'https://www.facebook.com/video.php?v=957955867617029', 'md5': '54706e4db4f5ad58fbad82dde1f1213f', 'info_dict': { 'id': '957955867617029', 'ext': 'mp4', 'title': 'When you post epic content on instagram.com/433 8 million followers, this is ...', 'uploader': 'Demy de Zeeuw', }, }, { 'url': 'https://www.facebook.com/maxlayn/posts/10153807558977570', 'md5': '037b1fa7f3c2d02b7a0d7bc16031ecc6', 'info_dict': { 'id': '544765982287235', 'ext': 'mp4', 'title': '"What are you doing running in the snow?"', 'uploader': 'FailArmy', } }, { 'url': 'https://m.facebook.com/story.php?story_fbid=1035862816472149&id=116132035111903', 'md5': '1deb90b6ac27f7efcf6d747c8a27f5e3', 'info_dict': { 'id': '1035862816472149', 'ext': 'mp4', 'title': 'What the Flock Is Going On In New Zealand Credit: ViralHog', 'uploader': 'S. Saint', }, }, { 'note': 'swf params escaped', 'url': 'https://www.facebook.com/barackobama/posts/10153664894881749', 'md5': '97ba073838964d12c70566e0085c2b91', 'info_dict': { 'id': '10153664894881749', 'ext': 'mp4', 'title': 'Facebook video #10153664894881749', }, }, { 'url': 'https://www.facebook.com/video.php?v=10204634152394104', 'only_matching': True, }, { 'url': 'https://www.facebook.com/amogood/videos/1618742068337349/?fref=nf', 'only_matching': True, }, { 'url': 'https://www.facebook.com/ChristyClarkForBC/videos/vb.22819070941/10153870694020942/?type=2&theater', 'only_matching': True, }, { 'url': 'facebook:544765982287235', 'only_matching': True, }, { 'url': 'https://www.facebook.com/groups/164828000315060/permalink/764967300301124/', 'only_matching': True, }] def _login(self): (useremail, password) = self._get_login_info() if useremail is None: return login_page_req = sanitized_Request(self._LOGIN_URL) self._set_cookie('facebook.com', 'locale', 'en_US') login_page = self._download_webpage(login_page_req, None, note='Downloading login page', errnote='Unable to download login page') lsd = self._search_regex( r'<input type="hidden" name="lsd" value="([^"]*)"', login_page, 'lsd') lgnrnd = self._search_regex(r'name="lgnrnd" value="([^"]*?)"', login_page, 'lgnrnd') login_form = { 'email': useremail, 'pass': password, 'lsd': lsd, 'lgnrnd': lgnrnd, 'next': 'http://facebook.com/home.php', 'default_persistent': '0', 'legacy_return': '1', 'timezone': '-60', 'trynum': '1', } request = sanitized_Request(self._LOGIN_URL, urlencode_postdata(login_form)) request.add_header('Content-Type', 'application/x-www-form-urlencoded') try: login_results = self._download_webpage(request, None, note='Logging in', errnote='unable to fetch login page') if re.search(r'<form(.*)name="login"(.*)</form>', login_results) is not None: error = self._html_search_regex( r'(?s)<div[^>]+class=(["\']).*?login_error_box.*?\1[^>]*><div[^>]*>.*?</div><div[^>]*>(?P<error>.+?)</div>', login_results, 'login error', default=None, group='error') if error: raise ExtractorError('Unable to login: %s' % error, expected=True) self._downloader.report_warning('unable to log in: bad username/password, or exceeded login rate limit (~3/min). Check credentials or wait.') return fb_dtsg = self._search_regex( r'name="fb_dtsg" value="(.+?)"', login_results, 'fb_dtsg', default=None) h = self._search_regex( r'name="h"\s+(?:\w+="[^"]+"\s+)*?value="([^"]+)"', login_results, 'h', default=None) if not fb_dtsg or not h: return check_form = { 'fb_dtsg': fb_dtsg, 'h': h, 'name_action_selected': 'dont_save', } check_req = sanitized_Request(self._CHECKPOINT_URL, urlencode_postdata(check_form)) check_req.add_header('Content-Type', 'application/x-www-form-urlencoded') check_response = self._download_webpage(check_req, None, note='Confirming login') if re.search(r'id="checkpointSubmitButton"', check_response) is not None: self._downloader.report_warning('Unable to confirm login, you have to login in your browser and authorize the login.') except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: self._downloader.report_warning('unable to log in: %s' % error_to_compat_str(err)) return def _real_initialize(self): self._login() def _extract_from_url(self, url, video_id, fatal_if_no_video=True): req = sanitized_Request(url) req.add_header('User-Agent', self._CHROME_USER_AGENT) webpage = self._download_webpage(req, video_id) video_data = None BEFORE = '{swf.addParam(param[0], param[1]);});' AFTER = '.forEach(function(variable) {swf.addVariable(variable[0], variable[1]);});' m = re.search(re.escape(BEFORE) + '(?:\n|\\\\n)(.*?)' + re.escape(AFTER), webpage) if m: swf_params = m.group(1).replace('\\\\', '\\').replace('\\"', '"') data = dict(json.loads(swf_params)) params_raw = compat_urllib_parse_unquote(data['params']) video_data = json.loads(params_raw)['video_data'] def video_data_list2dict(video_data): ret = {} for item in video_data: format_id = item['stream_type'] ret.setdefault(format_id, []).append(item) return ret if not video_data: server_js_data = self._parse_json(self._search_regex( r'handleServerJS\(({.+})\);', webpage, 'server js data', default='{}'), video_id) for item in server_js_data.get('instances', []): if item[1][0] == 'VideoConfig': video_data = video_data_list2dict(item[2][0]['videoData']) break if not video_data: if not fatal_if_no_video: return webpage, False m_msg = re.search(r'class="[^"]*uiInterstitialContent[^"]*"><div>(.*?)</div>', webpage) if m_msg is not None: raise ExtractorError( 'The video is not available, Facebook said: "%s"' % m_msg.group(1), expected=True) else: raise ExtractorError('Cannot parse data') formats = [] for format_id, f in video_data.items(): if not f or not isinstance(f, list): continue for quality in ('sd', 'hd'): for src_type in ('src', 'src_no_ratelimit'): src = f[0].get('%s_%s' % (quality, src_type)) if src: preference = -10 if format_id == 'progressive' else 0 if quality == 'hd': preference += 5 formats.append({ 'format_id': '%s_%s_%s' % (format_id, quality, src_type), 'url': src, 'preference': preference, }) dash_manifest = f[0].get('dash_manifest') if dash_manifest: formats.extend(self._parse_mpd_formats( compat_etree_fromstring(compat_urllib_parse_unquote_plus(dash_manifest)))) if not formats: raise ExtractorError('Cannot find video formats') self._sort_formats(formats) video_title = self._html_search_regex( r'<h2\s+[^>]*class="uiHeaderTitle"[^>]*>([^<]*)</h2>', webpage, 'title', default=None) if not video_title: video_title = self._html_search_regex( r'(?s)<span class="fbPhotosPhotoCaption".*?id="fbPhotoPageCaption"><span class="hasCaption">(.*?)</span>', webpage, 'alternative title', default=None) video_title = limit_length(video_title, 80) if not video_title: video_title = 'Facebook video #%s' % video_id uploader = clean_html(get_element_by_id('fbPhotoPageAuthorName', webpage)) info_dict = { 'id': video_id, 'title': video_title, 'formats': formats, 'uploader': uploader, } return webpage, info_dict def _real_extract(self, url): video_id = self._match_id(url) real_url = self._VIDEO_PAGE_TEMPLATE % video_id if url.startswith('facebook:') else url webpage, info_dict = self._extract_from_url(real_url, video_id, fatal_if_no_video=False) if info_dict: return info_dict if '/posts/' in url: entries = [ self.url_result('facebook:%s' % vid, FacebookIE.ie_key()) for vid in self._parse_json( self._search_regex( r'(["\'])video_ids\1\s*:\s*(?P<ids>\[.+?\])', webpage, 'video ids', group='ids'), video_id)] return self.playlist_result(entries, video_id) else: _, info_dict = self._extract_from_url( self._VIDEO_PAGE_TEMPLATE % video_id, video_id, fatal_if_no_video=True) return info_dict