src/Controller/FrontController.php
protected function executeAuth() {
        //Create Auth controller
        $this->auth = $this->getLibraryInstance('auth', 'authClass', $this->session, $this->routingRule->getInput(), $this->connection, $this->config, $this->language);
    }
protected function executeAuth() {
        //Create Auth controller
        $this->auth = $this->getLibraryInstance('auth', 'authClass', $this->session, $this->routingRule->getInput(), $this->connection, $this->config, $this->language);
    }
Execute the Authentication system, throws and ControllerException if
the session is not longer valid.

@throws ControllerException