from __future__ import unicode_literals import json import re import socket from .common import InfoExtractor from ..compat import ( compat_http_client, compat_str, compat_urllib_error, compat_urllib_parse, compat_urllib_request, ) from ..utils import ( urlencode_postdata, ExtractorError, limit_length, ) class FacebookIE(InfoExtractor): _VALID_URL = r'''(?x) https?://(?:\w+\.)?facebook\.com/ (?:[^#]*?\#!/)? (?:video/video\.php|photo\.php|video\.php|video/embed)\?(?:.*?) (?:v|video_id)=(?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' _TESTS = [{ 'url': 'https://www.facebook.com/video.php?v=637842556329505&fref=nf', 'md5': '6a40d33c0eccbb1af76cf0485a052659', 'info_dict': { 'id': '637842556329505', 'ext': 'mp4', 'duration': 38, 'title': 're:Did you know Kei Nishikori is the first Asian man to ever reach a Grand Slam', } }, { 'note': 'Video without discernible title', 'url': 'https://www.facebook.com/video.php?v=274175099429670', 'info_dict': { 'id': '274175099429670', 'ext': 'mp4', 'title': 'Facebook video #274175099429670', } }, { 'url': 'https://www.facebook.com/video.php?v=10204634152394104', 'only_matching': True, }] def _login(self): (useremail, password) = self._get_login_info() if useremail is None: return login_page_req = compat_urllib_request.Request(self._LOGIN_URL) login_page_req.add_header('Cookie', '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 = compat_urllib_request.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: self._downloader.report_warning('unable to log in: bad username/password, or exceded login rate limit (~3/min). Check credentials or wait.') return check_form = { 'fb_dtsg': self._search_regex(r'name="fb_dtsg" value="(.+?)"', login_results, 'fb_dtsg'), 'h': self._search_regex( r'name="h"\s+(?:\w+="[^"]+"\s+)*?value="([^"]+)"', login_results, 'h'), 'name_action_selected': 'dont_save', } check_req = compat_urllib_request.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 brower 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' % compat_str(err)) return def _real_initialize(self): self._login() def _real_extract(self, url): mobj = re.match(self._VALID_URL, url) video_id = mobj.group('id') url = 'https://www.facebook.com/video/video.php?v=%s' % video_id webpage = self._download_webpage(url, video_id) BEFORE = '{swf.addParam(param[0], param[1]);});\n' AFTER = '.forEach(function(variable) {swf.addVariable(variable[0], variable[1]);});' m = re.search(re.escape(BEFORE) + '(.*?)' + re.escape(AFTER), webpage) if not m: 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') 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('Cannot find video URL') video_title = self._html_search_regex( r'<h2 class="uiHeaderTitle">([^<]*)</h2>', webpage, 'title', fatal=False) 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 return { 'id': video_id, 'title': video_title, 'url': video_url, 'duration': int(video_data['video_duration']), 'thumbnail': video_data['thumbnail_src'], }