Airship\Engine\Bolt\Security::isLoggedIn PHP Method

    public function isLoggedIn() : bool
    {
        if (!$this->airship_auth instanceof Authentication) {
            $this->tightenSecurityBolt();
        }
        $state = State::instance();
        if (!empty($_SESSION['userid'])) {
            // We're logged in!
            if ($this instanceof Landing && $this->config('password-reset.logout')) {
                return $this->verifySessionCanary($_SESSION['userid']);
            }
            return true;
        } elseif (isset($_COOKIE['airship_token'])) {
            // We're not logged in, but we have a long-term
            // authentication token, so we should do an automatic
            // login and, if successful, respond affirmatively.
            $token = Symmetric::decrypt($_COOKIE['airship_token'], $state->keyring['cookie.encrypt_key']);
            if (!empty($token)) {
                return $this->doAutoLogin($token, 'userid', 'airship_token');
            }
        }
        return false;
    }