silverstripe / silverstripe-activedirectory

        $message = $messages[0]; // first message is user readable, suitable for showing on login form

        // show better errors than the defaults for various status codes returned by LDAP

        if (!empty($messages[1]) && strpos($messages[1], 'NT_STATUS_ACCOUNT_LOCKED_OUT') !== false) {

            $message = _t(

                'LDAPService.ACCOUNTLOCKEDOUT',

                'Your account has been temporarily locked because of too many failed login attempts. ' .

                'Please try again later.'

            );

        }

        if (!empty($messages[1]) && strpos($messages[1], 'NT_STATUS_LOGON_FAILURE') !== false) {

            $message = _t(

                'LDAPService.INVALIDCREDENTIALS',

                'Please try again later.'

            );

        }

        if (!empty($messages[1]) && strpos($messages[1], 'NT_STATUS_LOGON_FAILURE') !== false) {

            $message = _t(

                'LDAPService.INVALIDCREDENTIALS',

                'The provided details don\'t seem to be correct. Please try again.'

            );

        }

        return [

            'success' => $result->getCode() === 1,