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[facebook] Fix the login process (fixes #1244)

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This commit is contained in:
Jaime Marquínez Ferrándiz 2013-10-27 12:07:58 +01:00
parent 49a25557b0
commit 67874aeffa
1 changed files with 35 additions and 28 deletions
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63
youtube_dl/extractor/facebook.py
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@ -19,7 +19,8 @@ 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&'
_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 = {
@ -36,50 +37,56 @@ class FacebookIE(InfoExtractor):
"""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
def _login(self):
(useremail, password) = self._get_login_info()
if useremail is None:
return
# Log in
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,
'login': 'Log+In'
'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:
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
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: