import json import re import socket from .common import InfoExtractor from ..utils import ( compat_http_client, compat_str, compat_urllib_error, compat_urllib_parse, compat_urllib_request, ExtractorError, ) class FacebookIE(InfoExtractor): """Information Extractor for Facebook""" _VALID_URL = r'''(?x) (?:https?://)?(?:\w+\.)?facebook\.com/ (?:[^#?]*\#!/)? (?:video/video\.php|photo\.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 = u'facebook' _TEST = { u'url': u'https://www.facebook.com/photo.php?v=120708114770723', u'file': u'120708114770723.mp4', u'md5': u'48975a41ccc4b7a581abd68651c1a5a8', u'info_dict': { u"duration": 279, u"title": u"PEOPLE ARE AWESOME 2013" } } def report_login(self): """Report attempt to log in.""" self.to_screen(u'Logging in') 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') self.report_login() login_page = self._download_webpage(login_page_req, None, note=False, errnote=u'Unable to download login page') lsd = self._search_regex(r'"lsd":"(\w*?)"', login_page, u'lsd') lgnrnd = self._search_regex(r'name="lgnrnd" value="([^"]*?)"', login_page, u'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, compat_urllib_parse.urlencode(login_form)) request.add_header('Content-Type', 'application/x-www-form-urlencoded') try: login_results = compat_urllib_request.urlopen(request).read() if re.search(r'<form(.*)name="login"(.*)</form>', 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.') return check_form = { 'fb_dtsg': self._search_regex(r'"fb_dtsg":"(.*?)"', login_results, u'fb_dtsg'), 'nh': self._search_regex(r'name="nh" value="(\w*?)"', login_results, u'nh'), 'name_action_selected': 'dont_save', 'submit[Continue]': self._search_regex(r'<input value="(.*?)" name="submit\[Continue\]"', login_results, u'continue'), } check_req = compat_urllib_request.Request(self._CHECKPOINT_URL, compat_urllib_parse.urlencode(check_form)) check_req.add_header('Content-Type', 'application/x-www-form-urlencoded') check_response = compat_urllib_request.urlopen(check_req).read() if re.search(r'id="checkpointSubmitButton"', check_response) is not None: self._downloader.report_warning(u'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(u'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) if mobj is None: raise ExtractorError(u'Invalid URL: %s' % 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( u'The video is not available, Facebook said: "%s"' % m_msg.group(1), expected=True) else: 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( r'<h2 class="uiHeaderTitle">([^<]*)</h2>', webpage, u'title') info = { 'id': video_id, 'title': video_title, 'url': video_url, 'ext': 'mp4', 'duration': video_duration, 'thumbnail': thumbnail, } return [info]