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171 lines
6.9 KiB
171 lines
6.9 KiB
from __future__ import unicode_literals |
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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 ..compat 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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) |
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from ..utils import ( |
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ExtractorError, |
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int_or_none, |
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limit_length, |
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urlencode_postdata, |
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) |
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class FacebookIE(InfoExtractor): |
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_VALID_URL = r'''(?x) |
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https?://(?:\w+\.)?facebook\.com/ |
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(?:[^#]*?\#!/)? |
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(?: |
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(?:video/video\.php|photo\.php|video\.php|video/embed)\?(?:.*?) |
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(?:v|video_id)=| |
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[^/]+/videos/(?:[^/]+/)? |
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) |
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(?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 = 'facebook' |
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_TESTS = [{ |
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'url': 'https://www.facebook.com/video.php?v=637842556329505&fref=nf', |
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'md5': '6a40d33c0eccbb1af76cf0485a052659', |
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'info_dict': { |
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'id': '637842556329505', |
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'ext': 'mp4', |
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'title': 're:Did you know Kei Nishikori is the first Asian man to ever reach a Grand Slam', |
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} |
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}, { |
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'note': 'Video without discernible title', |
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'url': 'https://www.facebook.com/video.php?v=274175099429670', |
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'info_dict': { |
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'id': '274175099429670', |
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'ext': 'mp4', |
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'title': 'Facebook video #274175099429670', |
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}, |
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'expected_warnings': [ |
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'title' |
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] |
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}, { |
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'url': 'https://www.facebook.com/video.php?v=10204634152394104', |
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'only_matching': True, |
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}, { |
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'url': 'https://www.facebook.com/amogood/videos/1618742068337349/?fref=nf', |
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'only_matching': True, |
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}, { |
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'url': 'https://www.facebook.com/ChristyClarkForBC/videos/vb.22819070941/10153870694020942/?type=2&theater', |
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'only_matching': True, |
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}] |
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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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login_page = self._download_webpage(login_page_req, None, |
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note='Downloading login page', |
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errnote='Unable to download login page') |
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lsd = self._search_regex( |
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r'<input type="hidden" name="lsd" value="([^"]*)"', |
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login_page, 'lsd') |
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lgnrnd = self._search_regex(r'name="lgnrnd" value="([^"]*?)"', login_page, '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, urlencode_postdata(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 = self._download_webpage(request, None, |
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note='Logging in', errnote='unable to fetch login page') |
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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('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'name="fb_dtsg" value="(.+?)"', login_results, 'fb_dtsg'), |
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'h': self._search_regex( |
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r'name="h"\s+(?:\w+="[^"]+"\s+)*?value="([^"]+)"', login_results, 'h'), |
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'name_action_selected': 'dont_save', |
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} |
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check_req = compat_urllib_request.Request(self._CHECKPOINT_URL, urlencode_postdata(check_form)) |
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check_req.add_header('Content-Type', 'application/x-www-form-urlencoded') |
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check_response = self._download_webpage(check_req, None, |
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note='Confirming login') |
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if re.search(r'id="checkpointSubmitButton"', check_response) is not None: |
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self._downloader.report_warning('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('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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video_id = self._match_id(url) |
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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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'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('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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formats = [] |
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for quality in ['sd', 'hd']: |
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src = video_data.get('%s_src' % quality) |
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if src is not None: |
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formats.append({ |
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'format_id': quality, |
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'url': src, |
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}) |
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if not formats: |
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raise ExtractorError('Cannot find video formats') |
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video_title = self._html_search_regex( |
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r'<h2\s+[^>]*class="uiHeaderTitle"[^>]*>([^<]*)</h2>', webpage, 'title', |
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default=None) |
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if not video_title: |
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video_title = self._html_search_regex( |
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r'(?s)<span class="fbPhotosPhotoCaption".*?id="fbPhotoPageCaption"><span class="hasCaption">(.*?)</span>', |
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webpage, 'alternative title', fatal=False) |
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video_title = limit_length(video_title, 80) |
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if not video_title: |
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video_title = 'Facebook video #%s' % video_id |
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return { |
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'id': video_id, |
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'title': video_title, |
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'formats': formats, |
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'duration': int_or_none(video_data.get('video_duration')), |
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'thumbnail': video_data.get('thumbnail_src'), |
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}
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