mirror of https://github.com/yt-dlp/yt-dlp.git
121 lines
4.3 KiB
Python
121 lines
4.3 KiB
Python
import json
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import netrc
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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'^(?:https?://)?(?:\w+\.)?facebook\.com/(?:video/video|photo)\.php\?(?:.*?)v=(?P<ID>\d+)(?:.*)'
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_LOGIN_URL = 'https://login.facebook.com/login.php?m&next=http%3A%2F%2Fm.facebook.com%2Fhome.php&'
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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 _real_initialize(self):
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if self._downloader is None:
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return
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useremail = None
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password = None
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downloader_params = self._downloader.params
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# Attempt to use provided username and password or .netrc data
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if downloader_params.get('username', None) is not None:
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useremail = downloader_params['username']
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password = downloader_params['password']
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elif downloader_params.get('usenetrc', False):
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try:
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info = netrc.netrc().authenticators(self._NETRC_MACHINE)
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if info is not None:
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useremail = info[0]
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password = info[2]
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else:
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raise netrc.NetrcParseError('No authenticators for %s' % self._NETRC_MACHINE)
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except (IOError, netrc.NetrcParseError) as err:
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self._downloader.report_warning(u'parsing .netrc: %s' % compat_str(err))
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return
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if useremail is None:
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return
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# Log in
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login_form = {
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'email': useremail,
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'pass': password,
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'login': 'Log+In'
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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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try:
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self.report_login()
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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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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_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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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('<h2 class="uiHeaderTitle">([^<]+)</h2>',
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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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