verifyKey(PConfig::get(local_user(), '2fa', 'secret'), $code);
// The same code can't be used twice even if it's valid
if ($valid && Session::get('2fa') !== $code) {
Session::set('2fa', $code);
// Resume normal login workflow
Session::setAuthenticatedForUser($a, $a->user, true, true);
} else {
self::$errors[] = L10n::t('Invalid code, please retry.');
}
}
}
public static function content(array $parameters = [])
{
if (!local_user()) {
self::getApp()->internalRedirect();
}
// Already authenticated with 2FA token
if (Session::get('2fa')) {
self::getApp()->internalRedirect();
}
return Renderer::replaceMacros(Renderer::getMarkupTemplate('twofactor/verify.tpl'), [
'$form_security_token' => self::getFormSecurityToken('twofactor_verify'),
'$title' => L10n::t('Two-factor authentication'),
'$message' => L10n::t('Open the two-factor authentication app on your device to get an authentication code and verify your identity.
'),
'$errors_label' => L10n::tt('Error', 'Errors', count(self::$errors)),
'$errors' => self::$errors,
'$recovery_message' => L10n::t('Don’t have your phone? Enter a two-factor recovery code', '2fa/recovery'),
'$verify_code' => ['verify_code', L10n::t('Please enter a code from your authentication app'), '', '', 'required', 'autofocus placeholder="000000"'],
'$verify_label' => L10n::t('Verify code and complete login'),
]);
}
}