JEMBOT MAWOT Bypass Shell

<?php
/**
 * @package	AcyMailing for Joomla!
 * @version	5.9.6
 * @author	acyba.com
 * @copyright	(C) 2009-2018 ACYBA S.A.R.L. All rights reserved.
 * @license	GNU/GPLv3 http://www.gnu.org/licenses/gpl-3.0.html
 */

defined('_JEXEC') or die('Restricted access');
?><?php

class UpdateViewUpdate extends acymailingView{

    function display($tpl = null){

        $function = $this->getLayout();
        if(method_exists($this, $function)) $this->$function();

        parent::display($tpl);
    }

    function acysms(){
        $acyToolbar = acymailing_get('helper.toolbar');
        $acyToolbar->setTitle('AcySMS');
        $acyToolbar->display();

        $js = '
        function installAcySMS(){
            var progressbar = document.getElementById("progressbar");
            var information = document.getElementById("information");
            progressbar.style.width = "10%";
            information.innerHTML = "'.htmlspecialchars(acymailing_translation('ACY_DOWNLOADING'), ENT_QUOTES, 'UTF-8').'";
					
            var xhr = new XMLHttpRequest();
            xhr.open("GET", "'.acymailing_prepareAjaxURL('file').'&task=downloadAcySMS");
            xhr.onload = function(){
                if(xhr.responseText == "success") {
                    progressbar.style.width = "40%";
                    document.getElementById("information").innerHTML = "'.htmlspecialchars(acymailing_translation('ACY_INSTALLING'), ENT_QUOTES, 'UTF-8').'";
                    installPackage();
                }else{
                    document.getElementById("information").innerHTML = "'.str_replace('"', '\"', acymailing_translation_sprintf('ACY_FAILED_INSTALL', '<a href="https://www.acyba.com/download-area/download/component-acysms/level-express.html" target="_blank">', '</a>')).'";
                }
            };
            xhr.send();
        }

        function installPackage(){
            var progress = 40;
            var interval = setInterval(function(){
                if(progress >= 70) clearInterval(interval);
                if(progressbar.style.width != "100%") {
                    progress += 10;
                    progressbar.style.width = progress + "%";
                }
            }, 4000);
					
            var xhr = new XMLHttpRequest();
            xhr.open("GET", "'.acymailing_prepareAjaxURL('file').'&task=installPackage");
            xhr.onload = function(){
                if(xhr.responseText == "success") {
                    progressbar.style.width = "100%";
                    setTimeout(function(){ 
                        document.getElementById("meter").style.display = "none"; 
                        document.getElementById("postinstall").style.display = ""; 
                    }, 2000);
                }else{
                    document.getElementById("information").innerHTML = "'.str_replace('"', '\"', acymailing_translation_sprintf('ACY_FAILED_INSTALL', '<a href="https://www.acyba.com/download-area/download/component-acysms/level-express.html" target="_blank">', '</a>')).'";
                }
            };
            xhr.send();
        }';

        acymailing_addScript(true, $js);
    }
}