[youtube] Fix authentication (closes #12927)

This commit is contained in:
Sergey M․ 2017-05-06 23:58:47 +07:00
parent 10c87c151b
commit e00eb564e9
No known key found for this signature in database
GPG key ID: 2C393E0F18A9236D

View file

@ -37,8 +37,7 @@ from ..utils import (
parse_codecs, parse_codecs,
parse_duration, parse_duration,
remove_quotes, remove_quotes,
remove_start, # remove_start,
sanitized_Request,
smuggle_url, smuggle_url,
str_to_int, str_to_int,
try_get, try_get,
@ -54,7 +53,16 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
"""Provide base functions for Youtube extractors""" """Provide base functions for Youtube extractors"""
_LOGIN_URL = 'https://accounts.google.com/ServiceLogin' _LOGIN_URL = 'https://accounts.google.com/ServiceLogin'
_TWOFACTOR_URL = 'https://accounts.google.com/signin/challenge' _TWOFACTOR_URL = 'https://accounts.google.com/signin/challenge'
_PASSWORD_CHALLENGE_URL = 'https://accounts.google.com/signin/challenge/sl/password'
_LOOKUP_URL = 'https://accounts.google.com/_/signin/sl/lookup'
_LOOKUP_REQ_TEMPLATE = '["{0}",null,[],null,"US",null,null,2,false,true,[null,null,[2,1,null,1,"https://accounts.google.com/ServiceLogin?passive=true&continue=https%3A%2F%2Fwww.youtube.com%2Fsignin%3Fnext%3D%252F%26action_handle_signin%3Dtrue%26hl%3Den%26app%3Ddesktop%26feature%3Dsign_in_button&hl=en&service=youtube&uilel=3&requestPath=%2FServiceLogin&Page=PasswordSeparationSignIn",null,[],4],1,[null,null,[]],null,null,null,true],"{0}"]'
_PASSWORD_CHALLENGE_URL = 'https://accounts.google.com/_/signin/sl/challenge'
_PASSWORD_CHALLENGE_REQ_TEMPLATE = '["{0}",null,1,null,[1,null,null,null,["{1}",null,true]],[null,null,[2,1,null,1,"https://accounts.google.com/ServiceLogin?passive=true&continue=https%3A%2F%2Fwww.youtube.com%2Fsignin%3Fnext%3D%252F%26action_handle_signin%3Dtrue%26hl%3Den%26app%3Ddesktop%26feature%3Dsign_in_button&hl=en&service=youtube&uilel=3&requestPath=%2FServiceLogin&Page=PasswordSeparationSignIn",null,[],4],1,[null,null,[]],null,null,null,true]]'
_TFA_URL = 'https://accounts.google.com/_/signin/challenge'
_TFA_REQ_TEMPLATE = '["{0}",null,2,null,[9,null,null,null,null,null,null,null,[null,"{1}",false,2]]]'
_NETRC_MACHINE = 'youtube' _NETRC_MACHINE = 'youtube'
# If True it will raise an error if no login info is provided # If True it will raise an error if no login info is provided
_LOGIN_REQUIRED = False _LOGIN_REQUIRED = False
@ -96,72 +104,76 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
login_form = self._hidden_inputs(login_page) login_form = self._hidden_inputs(login_page)
login_form.update({ def req(url, f_req, note, errnote):
'checkConnection': 'youtube', data = login_form.copy()
'Email': username, data.update({
'Passwd': password, 'pstMsg': 1,
}) 'checkConnection': 'youtube',
'checkedDomains': 'youtube',
login_results = self._download_webpage( 'hl': 'en',
self._PASSWORD_CHALLENGE_URL, None, 'deviceinfo': '[null,null,null,[],null,"US",null,null,[],"GlifWebSignIn",null,[null,null,[]]]',
note='Logging in', errnote='unable to log in', fatal=False, 'f.req': f_req,
data=urlencode_postdata(login_form)) 'flowName': 'GlifWebSignIn',
if login_results is False: 'flowEntry': 'ServiceLogin',
return False
error_msg = self._html_search_regex(
r'<[^>]+id="errormsg_0_Passwd"[^>]*>([^<]+)<',
login_results, 'error message', default=None)
if error_msg:
raise ExtractorError('Unable to login: %s' % error_msg, expected=True)
if re.search(r'id="errormsg_0_Passwd"', login_results) is not None:
raise ExtractorError('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="challenge"', login_results) is not None:
tfa_code = self._get_tfa_info('2-step verification code')
if not tfa_code:
self._downloader.report_warning(
'Two-factor authentication required. Provide it either interactively or with --twofactor <code>'
'(Note that only TOTP (Google Authenticator App) codes work at this time.)')
return False
tfa_code = remove_start(tfa_code, 'G-')
tfa_form_strs = self._form_hidden_inputs('challenge', login_results)
tfa_form_strs.update({
'Pin': tfa_code,
'TrustDevice': 'on',
}) })
return self._download_json(
url, None, note=note, errnote=errnote,
transform_source=lambda s: re.sub(r'^[^[]*', '', s),
fatal=False,
data=urlencode_postdata(data), headers={
'Content-Type': 'application/x-www-form-urlencoded;charset=utf-8',
'Google-Accounts-XSRF': 1,
})
tfa_data = urlencode_postdata(tfa_form_strs) lookup_results = req(
self._LOOKUP_URL, self._LOOKUP_REQ_TEMPLATE.format(username),
'Looking up account info', 'Unable to look up account info')
tfa_req = sanitized_Request(self._TWOFACTOR_URL, tfa_data) if lookup_results is False:
tfa_results = self._download_webpage(
tfa_req, None,
note='Submitting TFA code', errnote='unable to submit tfa', fatal=False)
if tfa_results is False:
return False
if re.search(r'(?i)<form[^>]+id="challenge"', tfa_results) is not None:
self._downloader.report_warning('Two-factor code expired or invalid. 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('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('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('unable to log in: bad username or password')
return False return False
user_hash = lookup_results[0][2]
password_challenge_results = req(
self._PASSWORD_CHALLENGE_URL,
self._PASSWORD_CHALLENGE_REQ_TEMPLATE.format(user_hash, password),
'Logging in', 'Unable to log in')[0]
if password_challenge_results is False:
return
msg = password_challenge_results[5]
if msg is not None and isinstance(msg, list):
raise ExtractorError('Unable to login: %s' % msg[5], expected=True)
password_challenge_results = password_challenge_results[-1]
# tfa = password_challenge_results[0]
# if isinstance(tfa, list) and tfa[0][2] == 'TWO_STEP_VERIFICATION':
# tfa_code = self._get_tfa_info('2-step verification code')
#
# if not tfa_code:
# self._downloader.report_warning(
# 'Two-factor authentication required. Provide it either interactively or with --twofactor <code>'
# '(Note that only TOTP (Google Authenticator App) codes work at this time.)')
# return False
#
# tfa_code = remove_start(tfa_code, 'G-')
# print('tfa', tfa_code)
# tfa_results = req(
# self._TFA_URL,
# self._TFA_REQ_TEMPLATE.format(user_hash, tfa_code),
# 'Submitting TFA code', 'Unable to submit TFA code')
#
# TODO
check_cookie_results = self._download_webpage(
password_challenge_results[2], None, 'Checking cookie')
if '>Sign out<' not in check_cookie_results:
self._downloader.report_warning('Unable to log in')
return False
return True return True
def _real_initialize(self): def _real_initialize(self):