luos/workflow/engine/methods/setup/pluginsChange.php

<?php
/**
 * pluginsChange.php
 *
 * ProcessMaker Open Source Edition
 * Copyright (C) 2004 - 2008 Colosa Inc.23
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 * For more information, contact Colosa Inc, 2566 Le Jeune Rd.,
 * Coral Gables, FL, 33134, USA, or email info@colosa.com.
 */

// lets display the items
$pluginFile = $_GET['id'];
$pluginStatus = $_GET['status'];

$items = array ();
G::LoadClass( 'plugin' );
//here we are enabling or disabling the plugin and all related options registered.
G::LoadSystem('inputfilter');
$filter = new InputFilter();
$path = PATH_PLUGINS . $pluginFile;
$path = $filter->validateInput($path, 'path');

$oPluginRegistry = & PMPluginRegistry::getSingleton();

if ($handle = opendir( PATH_PLUGINS )) {
    while (false !== ($file = readdir( $handle ))) {
        if (strpos( $file, '.php', 1 ) && $file == $pluginFile) {

            if ($pluginStatus == '1') {
                //print "change to disable";
                $details = $oPluginRegistry->getPluginDetails( $pluginFile );
                $oPluginRegistry->disablePlugin( $details->sNamespace );
                $size = file_put_contents( PATH_DATA_SITE . 'plugin.singleton', $oPluginRegistry->serializeInstance() );
                G::auditLog("DisablePlugin", "Plugin Name: ".$details->sNamespace);
                //print "size saved : $size  <br>";
            } else {
                $pluginName = str_replace(".php", "", $pluginFile);

                if (is_file(PATH_PLUGINS . $pluginName . ".php") && is_dir(PATH_PLUGINS . $pluginName)) {
                    /*----------------------------------********---------------------------------*/
                    if (PMLicensedFeatures::getSingleton()->verifyfeature("B0oWlBLY3hHdWY0YUNpZEtFQm5CeTJhQlIwN3IxMEkwaG4=")) {
                        //Check disabled code
                        G::LoadClass("codeScanner");

                        $arraySystemConfiguration = System::getSystemConfiguration(PATH_CONFIG . "env.ini");

                        $cs = new CodeScanner((isset($arraySystemConfiguration["enable_blacklist"]) && (int)($arraySystemConfiguration["enable_blacklist"]) == 1)? "DISABLED_CODE" : "");

                        $arrayFoundDisabledCode = array_merge($cs->checkDisabledCode("FILE", PATH_PLUGINS . $pluginName . ".php"), $cs->checkDisabledCode("PATH", PATH_PLUGINS . $pluginName));

                        if (!empty($arrayFoundDisabledCode)) {
                            $response = array();
                            $response["status"]  = "DISABLED-CODE";
                            $response["message"] = G::LoadTranslation("ID_DISABLED_CODE_PLUGIN");

                            echo G::json_encode($response);
                            exit(0);
                        }
                    }
                    /*----------------------------------********---------------------------------*/

                    //print "change to ENABLED";
                    require_once($path);
                    $details = $oPluginRegistry->getPluginDetails($pluginFile);
                    $oPluginRegistry->enablePlugin($details->sNamespace);
                    $oPluginRegistry->setupPlugins(); //get and setup enabled plugins
                    $size = file_put_contents(PATH_DATA_SITE . "plugin.singleton", $oPluginRegistry->serializeInstance());
                    G::auditLog("EnablePlugin", "Plugin Name: " . $details->sNamespace);
                    //print "size saved : $size  <br>";
                }
            }
        }
    }
    closedir( $handle );
}

  //$oPluginRegistry->showArrays();
  //G::Header('location: pluginsList');