This repository has been archived on 2025-02-03. You can view files and clone it, but cannot push or open issues or pull requests.

138 lines
5.6 KiB
Python

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]