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137 lines
5.6 KiB
137 lines
5.6 KiB
import json |
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import re |
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import socket |
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from .common import InfoExtractor |
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from ..utils import ( |
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compat_http_client, |
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compat_str, |
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compat_urllib_error, |
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compat_urllib_parse, |
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compat_urllib_request, |
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ExtractorError, |
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) |
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class FacebookIE(InfoExtractor): |
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"""Information Extractor for Facebook""" |
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_VALID_URL = r'''(?x) |
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(?:https?://)?(?:\w+\.)?facebook\.com/ |
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(?:[^#?]*\#!/)? |
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(?:video/video\.php|photo\.php|video/embed)\?(?:.*?) |
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(?:v|video_id)=(?P<id>[0-9]+) |
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(?:.*)''' |
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_LOGIN_URL = 'https://www.facebook.com/login.php?next=http%3A%2F%2Ffacebook.com%2Fhome.php&login_attempt=1' |
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_CHECKPOINT_URL = 'https://www.facebook.com/checkpoint/?next=http%3A%2F%2Ffacebook.com%2Fhome.php&_fb_noscript=1' |
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_NETRC_MACHINE = 'facebook' |
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IE_NAME = u'facebook' |
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_TEST = { |
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u'url': u'https://www.facebook.com/photo.php?v=120708114770723', |
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u'file': u'120708114770723.mp4', |
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u'md5': u'48975a41ccc4b7a581abd68651c1a5a8', |
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u'info_dict': { |
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u"duration": 279, |
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u"title": u"PEOPLE ARE AWESOME 2013" |
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} |
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} |
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def report_login(self): |
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"""Report attempt to log in.""" |
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self.to_screen(u'Logging in') |
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def _login(self): |
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(useremail, password) = self._get_login_info() |
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if useremail is None: |
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return |
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login_page_req = compat_urllib_request.Request(self._LOGIN_URL) |
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login_page_req.add_header('Cookie', 'locale=en_US') |
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self.report_login() |
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login_page = self._download_webpage(login_page_req, None, note=False, |
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errnote=u'Unable to download login page') |
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lsd = self._search_regex(r'"lsd":"(\w*?)"', login_page, u'lsd') |
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lgnrnd = self._search_regex(r'name="lgnrnd" value="([^"]*?)"', login_page, u'lgnrnd') |
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login_form = { |
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'email': useremail, |
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'pass': password, |
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'lsd': lsd, |
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'lgnrnd': lgnrnd, |
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'next': 'http://facebook.com/home.php', |
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'default_persistent': '0', |
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'legacy_return': '1', |
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'timezone': '-60', |
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'trynum': '1', |
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} |
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request = compat_urllib_request.Request(self._LOGIN_URL, compat_urllib_parse.urlencode(login_form)) |
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request.add_header('Content-Type', 'application/x-www-form-urlencoded') |
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try: |
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login_results = compat_urllib_request.urlopen(request).read() |
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if re.search(r'<form(.*)name="login"(.*)</form>', login_results) is not None: |
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self._downloader.report_warning(u'unable to log in: bad username/password, or exceded login rate limit (~3/min). Check credentials or wait.') |
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return |
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check_form = { |
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'fb_dtsg': self._search_regex(r'"fb_dtsg":"(.*?)"', login_results, u'fb_dtsg'), |
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'nh': self._search_regex(r'name="nh" value="(\w*?)"', login_results, u'nh'), |
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'name_action_selected': 'dont_save', |
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'submit[Continue]': self._search_regex(r'<input value="(.*?)" name="submit\[Continue\]"', login_results, u'continue'), |
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} |
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check_req = compat_urllib_request.Request(self._CHECKPOINT_URL, compat_urllib_parse.urlencode(check_form)) |
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check_req.add_header('Content-Type', 'application/x-www-form-urlencoded') |
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check_response = compat_urllib_request.urlopen(check_req).read() |
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if re.search(r'id="checkpointSubmitButton"', check_response) is not None: |
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self._downloader.report_warning(u'Unable to confirm login, you have to login in your brower and authorize the login.') |
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except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: |
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self._downloader.report_warning(u'unable to log in: %s' % compat_str(err)) |
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return |
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def _real_initialize(self): |
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self._login() |
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def _real_extract(self, url): |
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mobj = re.match(self._VALID_URL, url) |
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if mobj is None: |
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raise ExtractorError(u'Invalid URL: %s' % url) |
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video_id = mobj.group('id') |
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url = 'https://www.facebook.com/video/video.php?v=%s' % video_id |
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webpage = self._download_webpage(url, video_id) |
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BEFORE = '{swf.addParam(param[0], param[1]);});\n' |
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AFTER = '.forEach(function(variable) {swf.addVariable(variable[0], variable[1]);});' |
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m = re.search(re.escape(BEFORE) + '(.*?)' + re.escape(AFTER), webpage) |
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if not m: |
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m_msg = re.search(r'class="[^"]*uiInterstitialContent[^"]*"><div>(.*?)</div>', webpage) |
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if m_msg is not None: |
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raise ExtractorError( |
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u'The video is not available, Facebook said: "%s"' % m_msg.group(1), |
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expected=True) |
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else: |
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raise ExtractorError(u'Cannot parse data') |
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data = dict(json.loads(m.group(1))) |
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params_raw = compat_urllib_parse.unquote(data['params']) |
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params = json.loads(params_raw) |
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video_data = params['video_data'][0] |
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video_url = video_data.get('hd_src') |
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if not video_url: |
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video_url = video_data['sd_src'] |
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if not video_url: |
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raise ExtractorError(u'Cannot find video URL') |
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video_duration = int(video_data['video_duration']) |
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thumbnail = video_data['thumbnail_src'] |
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video_title = self._html_search_regex( |
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r'<h2 class="uiHeaderTitle">([^<]*)</h2>', webpage, u'title') |
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info = { |
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'id': video_id, |
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'title': video_title, |
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'url': video_url, |
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'ext': 'mp4', |
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'duration': video_duration, |
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'thumbnail': thumbnail, |
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} |
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return [info]
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