View file PF.Base/module/admincp/include/component/controller/store/index.class.php

<?php
defined('PHPFOX') or exit('NO DICE!');
define('PHPFOX_APP_INSTALLING', true);

class Admincp_Component_Controller_Store_index extends Phpfox_Component {

	public function process() {

        $load = $this->request()->get('load');
        $token = 'trial';

        if (!defined('PHPFOX_TRIAL_MODE')) {
            $Home = new Core\Home(PHPFOX_LICENSE_ID, PHPFOX_LICENSE_KEY);
            $response = $Home->admincp(['return' => $this->url()->makeUrl('admincp.app.add')]);
            if (!isset($response->token)) {
                exit($response->error);
            }

            $token = $response->token;
            if (($open = $this->request()->get('open'))) {
                $token .= '&search=' . $open;
            }
            if (($upgrade = $this->request()->get('upgrade'))) {
                header('Location: ' . Core\Home::store() . 'product/' . $upgrade . '/install.json/installing?iframe-mode=' . $token . '&is-upgrade=true');
                exit;
            }
            if (($upgrade = $this->request()->get('install'))) {
                header('Location: ' . Core\Home::store() . 'product/' . $upgrade . '/install.json/installing?iframe-mode=' . $token);
                exit;
            }
        }

		$this->template()->setSectionTitle('<a href="' . $this->url()->current() . '">'. _p('storestore') . '</a>');
		$this->template()->assign([
			'token' => $token,
			'load' => $load,
			'storeUrl' => Core\Home::store()
		]);
	}
}