. * */ namespace Friendica\Module\Security\TwoFactor; use Friendica\BaseModule; use Friendica\Core\Renderer; use Friendica\Core\Session; use Friendica\DI; use PragmaRX\Google2FA\Google2FA; /** * Page 1: Authenticator code verification * * @package Friendica\Module\TwoFactor */ class Verify extends BaseModule { private static $errors = []; public static function post(array $parameters = []) { if (!local_user()) { return; } if (($_POST['action'] ?? '') == 'verify') { self::checkFormSecurityTokenRedirectOnError('2fa', 'twofactor_verify'); $a = DI::app(); $code = $_POST['verify_code'] ?? ''; $valid = (new Google2FA())->verifyKey(DI::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', $code); // Resume normal login workflow DI::auth()->setForUser($a, $a->user, true, true); } else { self::$errors[] = DI::l10n()->t('Invalid code, please retry.'); } } } public static function content(array $parameters = []) { if (!local_user()) { DI::baseUrl()->redirect(); } // Already authenticated with 2FA token if (Session::get('2fa')) { DI::baseUrl()->redirect(); } return Renderer::replaceMacros(Renderer::getMarkupTemplate('twofactor/verify.tpl'), [ '$form_security_token' => self::getFormSecurityToken('twofactor_verify'), '$title' => DI::l10n()->t('Two-factor authentication'), '$message' => DI::l10n()->t('

Open the two-factor authentication app on your device to get an authentication code and verify your identity.

'), '$errors_label' => DI::l10n()->tt('Error', 'Errors', count(self::$errors)), '$errors' => self::$errors, '$recovery_message' => DI::l10n()->t('Don’t have your phone? Enter a two-factor recovery code', '2fa/recovery'), '$verify_code' => ['verify_code', DI::l10n()->t('Please enter a code from your authentication app'), '', '', DI::l10n()->t('Required'), 'autofocus placeholder="000000"', 'tel'], '$verify_label' => DI::l10n()->t('Verify code and complete login'), ]); } }