X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/bddc9fc577d16b1428924bf8a5c37ef1d9295f14..0ae75ad42cc6f25af12b54201dcbadfc116f923f:/youtube_dl/extractor/facebook.py?ds=sidebyside diff --git a/youtube_dl/extractor/facebook.py b/youtube_dl/extractor/facebook.py index c694f9a..0fb781a 100644 --- a/youtube_dl/extractor/facebook.py +++ b/youtube_dl/extractor/facebook.py @@ -1,111 +1,342 @@ +from __future__ import unicode_literals + import json -import netrc import re import socket from .common import InfoExtractor -from ..utils import ( +from ..compat import ( + compat_etree_fromstring, compat_http_client, - compat_str, compat_urllib_error, - compat_urllib_parse, - compat_urllib_request, - + 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): - """Information Extractor for Facebook""" - - _VALID_URL = r'^(?:https?://)?(?:\w+\.)?facebook\.com/(?:video/video|photo)\.php\?(?:.*?)v=(?P\d+)(?:.*)' - _LOGIN_URL = 'https://login.facebook.com/login.php?m&next=http%3A%2F%2Fm.facebook.com%2Fhome.php&' + _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[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 = u'facebook' + IE_NAME = 'facebook' - def report_login(self): - """Report attempt to log in.""" - self.to_screen(u'Logging in') + _CHROME_USER_AGENT = 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.97 Safari/537.36' - def _real_initialize(self): - if self._downloader is None: - return + _VIDEO_PAGE_TEMPLATE = 'https://www.facebook.com/video/video.php?v=%s' - useremail = None - password = None - downloader_params = self._downloader.params - - # Attempt to use provided username and password or .netrc data - if downloader_params.get('username', None) is not None: - useremail = downloader_params['username'] - password = downloader_params['password'] - elif downloader_params.get('usenetrc', False): - try: - info = netrc.netrc().authenticators(self._NETRC_MACHINE) - if info is not None: - useremail = info[0] - password = info[2] - else: - raise netrc.NetrcParseError('No authenticators for %s' % self._NETRC_MACHINE) - except (IOError, netrc.NetrcParseError) as err: - self._downloader.report_warning(u'parsing .netrc: %s' % compat_str(err)) - return + _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, + }, { + 'url': 'https://zh-hk.facebook.com/peoplespower/videos/1135894589806027/', + 'only_matching': True, + }] + + @staticmethod + def _extract_url(webpage): + mobj = re.search( + r']+?src=(["\'])(?Phttps://www\.facebook\.com/video/embed.+?)\1', webpage) + if mobj is not None: + return mobj.group('url') + # Facebook API embed + # see https://developers.facebook.com/docs/plugins/embedded-video-player + mobj = re.search(r'''(?x)]+ + class=(?P[\'"])[^\'"]*\bfb-(?:video|post)\b[^\'"]*(?P=q1)[^>]+ + data-href=(?P[\'"])(?P(?:https?:)?//(?:www\.)?facebook.com/.+?)(?P=q2)''', webpage) + if mobj is not None: + return mobj.group('url') + + def _login(self): + (useremail, password) = self._get_login_info() if useremail is None: return - # Log in + 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'', login_results) is not None: - self._downloader.report_warning(u'unable to log in: bad username/password, or exceded login rate limit (~3/min). Check credentials or wait.') + error = self._html_search_regex( + r'(?s)]+class=(["\']).*?login_error_box.*?\1[^>]*>]*>.*?]*>(?P.+?)', + 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(u'unable to log in: %s' % compat_str(err)) + self._downloader.report_warning('unable to log in: %s' % error_to_compat_str(err)) return - def _real_extract(self, url): - mobj = re.match(self._VALID_URL, url) - if mobj is None: - raise ExtractorError(u'Invalid URL: %s' % url) - video_id = mobj.group('ID') + def _real_initialize(self): + self._login() - url = 'https://www.facebook.com/video/video.php?v=%s' % video_id - webpage = self._download_webpage(url, video_id) + 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) - BEFORE = '{swf.addParam(param[0], param[1]);});\n' + 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) + '(.*?)' + re.escape(AFTER), webpage) - if not m: - raise ExtractorError(u'Cannot parse data') - data = dict(json.loads(m.group(1))) - params_raw = compat_urllib_parse.unquote(data['params']) - params = json.loads(params_raw) - video_data = params['video_data'][0] - video_url = video_data.get('hd_src') - if not video_url: - video_url = video_data['sd_src'] - if not video_url: - raise ExtractorError(u'Cannot find video URL') - video_duration = int(video_data['video_duration']) - thumbnail = video_data['thumbnail_src'] - - video_title = self._html_search_regex('

([^<]+)

', - webpage, u'title') - - info = { + PATTERN = re.escape(BEFORE) + '(?:\n|\\\\n)(.*?)' + re.escape(AFTER) + + for m in re.findall(PATTERN, webpage): + swf_params = m.replace('\\\\', '\\').replace('\\"', '"') + data = dict(json.loads(swf_params)) + params_raw = compat_urllib_parse_unquote(data['params']) + video_data_candidate = json.loads(params_raw)['video_data'] + for _, f in video_data_candidate.items(): + if not f: + continue + if isinstance(f, dict): + f = [f] + if not isinstance(f, list): + continue + if f[0].get('video_id') == video_id: + video_data = video_data_candidate + break + if video_data: + break + + 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[^"]*">
(.*?)
', 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 f and isinstance(f, dict): + f = [f] + 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']*class="uiHeaderTitle"[^>]*>([^<]*)', webpage, 'title', + default=None) + if not video_title: + video_title = self._html_search_regex( + r'(?s)(.*?)', + 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, - 'url': video_url, - 'ext': 'mp4', - 'duration': video_duration, - 'thumbnail': thumbnail, + 'formats': formats, + 'uploader': uploader, } - return [info] + + 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\[.+?\])', + 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