Авторизация по nickname в Instant2

    public static function login($nickname, $password, $remember=false) {
 
 
 
        $model = cmsCore::getModel('users');
 
        $model->filterEqual('nickname', $nickname);
        $model->filterFunc('password', "MD5(CONCAT(MD5('{$password}'), i.password_salt))");
 
        $user = $model->getUser();
 
		if(!$user) {
		$model->filterEqual(('email'), $nickname);
        $model->filterFunc('password', "MD5(CONCAT(MD5('{$password}'), i.password_salt))");
 
        $user = $model->getUser();
		}
 
        if(!$user) {
            $user = cmsEventsManager::hook('user_auth_error', array('email'=>$email,'password'=>$password));
        }
 
        if (empty($user['id'])) { return false; } 
 
        $user = cmsEventsManager::hook('user_login', $user);
 
        self::sessionSet('user', array(
            'id' => $user['id'],
            'groups' => $user['groups'],
            'time_zone' => $user['time_zone'],
            'perms' => self::getPermissions($user['groups'], $user['id']),
            'is_admin' => $user['is_admin'],
        ));
 
        if ($remember){
 
            $auth_token = string_random(32, $email);
            self::setCookie('auth', $auth_token, 8640000); //100 дней
 
            $model->update('cms_users', $user['id'], array('auth_token'=>$auth_token));
 
        }
 
        $model->update('cms_users', $user['id'], array(
            'ip' => self::getIp()
        ));
 
        return $user['id'];
 
    }