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[youtube] Simplify two-factor authentication

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This commit is contained in:
Sergey M․ 2015-08-15 22:03:43 +06:00
parent e64b756943
commit 041bc3adc5
1 changed files with 12 additions and 23 deletions
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35
youtube_dl/extractor/youtube.py
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@ -33,6 +33,7 @@
int_or_none, int_or_none,
orderedSet, orderedSet,
parse_duration, parse_duration,
remove_start,
smuggle_url, smuggle_url,
str_to_int, str_to_int,
unescapeHTML, unescapeHTML,
@ -129,35 +130,23 @@ def _login(self):
# TODO add SMS and phone call support - these require making a request and then prompting the user # 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: if re.search(r'(?i)<form[^>]* id="challenge"', login_results) is not None:
tfa_code = self._get_tfa_info() tfa_code = self._get_tfa_info('2-step verification code')
if tfa_code is None: if not tfa_code:
self._downloader.report_warning('Two-factor authentication required. Provide it with --twofactor <code>') self._downloader.report_warning(
self._downloader.report_warning('(Note that only TOTP (Google Authenticator App) codes work at this time.)') '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 return False
def find_value(element_id): tfa_code = remove_start(tfa_code, 'G-')
match = re.search(r'id="%s"\s+value="(.+?)">' % element_id, login_results, re.M | re.U)
if match is None:
self._downloader.report_warning('Failed to get %s - did the page structure change?' % id)
return match.group(1)
challengeId = find_value('challengeId') tfa_form_strs = self._form_hidden_inputs('challenge', login_results)
challengeType = find_value('challengeType')
gxf = find_value('gxf')
tfa_form_strs = { tfa_form_strs.update({
'challengeId': challengeId,
'challengeType': challengeType, # This doesn't appear to change
'continue': 'https://www.youtube.com/signin?action_handle_signin=true&feature=sign_in_button&hl=en_US&nomobiletemp=1',
'service': 'youtube',
'hl': 'en_US',
'checkedDomains': 'youtube',
'pstMsg': '0',
'gxf': gxf,
'Pin': tfa_code, 'Pin': tfa_code,
'TrustDevice': 'on', 'TrustDevice': 'on',
} })
tfa_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k, v in tfa_form_strs.items()) 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_data = compat_urllib_parse.urlencode(tfa_form).encode('ascii')
@ -170,7 +159,7 @@ def find_value(element_id):
return False return False
if re.search(r'(?i)<form[^>]* id="challenge"', tfa_results) is not None: if re.search(r'(?i)<form[^>]* id="challenge"', tfa_results) is not None:
self._downloader.report_warning('Two-factor code expired. Please try again, or use a one-use backup code instead.') self._downloader.report_warning('Two-factor code expired or invalid. Please try again, or use a one-use backup code instead.')
return False return False
if re.search(r'(?i)<form[^>]* id="gaia_loginform"', tfa_results) is not None: 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?') self._downloader.report_warning('unable to log in - did the page structure change?')