[youtube] Add two-factor account signin (TOTP only)

Additional work is required to prompt the user for the SMS or phone call codes, as there is no framework currently to prompt the user during an extraction operation.

Fixes #3533
This commit is contained in:
riking 2014-08-16 14:28:41 -07:00
parent c1d293cfa6
commit 83317f6938
3 changed files with 94 additions and 1 deletions

View file

@ -314,6 +314,8 @@ def parseOpts(overrideArguments=None):
dest='username', metavar='USERNAME', help='account username')
authentication.add_option('-p', '--password',
dest='password', metavar='PASSWORD', help='account password')
authentication.add_option('-2', '--twofactor',
dest='twofactor', metavar='TWOFACTOR', help='two-factor auth code')
authentication.add_option('-n', '--netrc',
action='store_true', dest='usenetrc', help='use .netrc authentication data', default=False)
authentication.add_option('--video-password',
@ -748,6 +750,7 @@ def _real_main(argv=None):
'usenetrc': opts.usenetrc,
'username': opts.username,
'password': opts.password,
'twofactor': opts.twofactor,
'videopassword': opts.videopassword,
'quiet': (opts.quiet or any_printing),
'no_warnings': opts.no_warnings,

View file

@ -434,6 +434,24 @@ class InfoExtractor(object):
return (username, password)
def _get_tfa_info(self):
"""
Get the two-factor authentication info
TODO - asking the user will be required for sms/phone verify
currently just uses the command line option
If there's no info available, return None
"""
if self._downloader is None:
self.to_screen("no downloader")
return None
downloader_params = self._downloader.params
if downloader_params.get('twofactor', None) is not None:
return downloader_params['twofactor']
self.to_screen("param is None")
return None
# Helper functions for extracting OpenGraph info
@staticmethod
def _og_regexes(prop):

View file

@ -37,6 +37,7 @@ from ..utils import (
class YoutubeBaseInfoExtractor(InfoExtractor):
"""Provide base functions for Youtube extractors"""
_LOGIN_URL = 'https://accounts.google.com/ServiceLogin'
_TWOFACTOR_URL = 'https://accounts.google.com/SecondFactor'
_LANG_URL = r'https://www.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1'
_AGE_URL = 'https://www.youtube.com/verify_age?next_url=/&gl=US&hl=en'
_NETRC_MACHINE = 'youtube'
@ -50,12 +51,19 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
fatal=False))
def _login(self):
"""
Attempt to log in to YouTube.
True is returned if successful or skipped.
False is returned if login failed.
If _LOGIN_REQUIRED is set and no authentication was provided, an error is raised.
"""
(username, password) = self._get_login_info()
# No authentication to be performed
if username is None:
if self._LOGIN_REQUIRED:
raise ExtractorError(u'No login info available, needed for using %s.' % self.IE_NAME, expected=True)
return False
return True
login_page = self._download_webpage(
self._LOGIN_URL, None,
@ -73,6 +81,7 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
u'Email': username,
u'GALX': galx,
u'Passwd': password,
u'PersistentCookie': u'yes',
u'_utf8': u'',
u'bgresponse': u'js_disabled',
@ -88,6 +97,7 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
u'uilel': u'3',
u'hl': u'en_US',
}
# Convert to UTF-8 *before* urlencode because Python 2.x's urlencode
# chokes on unicode
login_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k,v in login_form_strs.items())
@ -99,6 +109,68 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
note=u'Logging in', errnote=u'unable to log in', fatal=False)
if login_results is False:
return False
if re.search(r'id="errormsg_0_Passwd"', login_results) is not None:
raise ExtractorError(u'Please use your account password and a two-factor code instead of an application-specific password.', expected=True)
# Two-Factor
# TODO add SMS and phone call support - these require making a request and then prompting the user
if re.search(r'(?i)<form[^>]* id="gaia_secondfactorform"', login_results) is not None:
tfa_code = self._get_tfa_info()
if tfa_code is None:
self._downloader.report_warning(u'Two-factor authentication required. Provide it with --twofactor <code>')
self._downloader.report_warning(u'(Note that only TOTP (Google Authenticator App) codes work at this time.)')
return False
# Unlike the first login form, secTok and timeStmp are both required for the TFA form
match = re.search(r'id="secTok"\n\s+value=\'(.+)\'/>', login_results, re.M | re.U)
if match is None:
self._downloader.report_warning(u'Failed to get secTok - did the page structure change?')
secTok = match.group(1)
match = re.search(r'id="timeStmp"\n\s+value=\'(.+)\'/>', login_results, re.M | re.U)
if match is None:
self._downloader.report_warning(u'Failed to get timeStmp - did the page structure change?')
timeStmp = match.group(1)
tfa_form_strs = {
u'continue': u'https://www.youtube.com/signin?action_handle_signin=true&feature=sign_in_button&hl=en_US&nomobiletemp=1',
u'smsToken': u'',
u'smsUserPin': tfa_code,
u'smsVerifyPin': u'Verify',
u'PersistentCookie': u'yes',
u'checkConnection': u'',
u'checkedDomains': u'youtube',
u'pstMsg': u'1',
u'secTok': secTok,
u'timeStmp': timeStmp,
u'service': u'youtube',
u'hl': u'en_US',
}
tfa_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k,v in tfa_form_strs.items())
tfa_data = compat_urllib_parse.urlencode(tfa_form).encode('ascii')
tfa_req = compat_urllib_request.Request(self._TWOFACTOR_URL, tfa_data)
tfa_results = self._download_webpage(
tfa_req, None,
note=u'Submitting TFA code', errnote=u'unable to submit tfa', fatal=False)
if tfa_results is False:
return False
if re.search(r'(?i)<form[^>]* id="gaia_secondfactorform"', tfa_results) is not None:
self._downloader.report_warning(u'Two-factor code expired. Please try again, or use a one-use backup code instead.')
return False
if re.search(r'(?i)<form[^>]* id="gaia_loginform"', tfa_results) is not None:
self._downloader.report_warning(u'unable to log in - did the page structure change?')
return False
if re.search(r'smsauth-interstitial-reviewsettings', tfa_results) is not None:
self._downloader.report_warning(u'Your Google account has a security notice. Please log in on your web browser, resolve the notice, and try again.')
return False
if re.search(r'(?i)<form[^>]* id="gaia_loginform"', login_results) is not None:
self._downloader.report_warning(u'unable to log in: bad username or password')
return False