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