first commit

plugins/installer/jce/jce.php

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+<?php
+/**
+ *  @copyright Copyright (c)2016 - 2020 Ryan Demmer
+ *  @license GNU General Public License version 2, or later
+ */
+defined('_JEXEC') or die;
+
+/**
+ * Handle commercial extension update authorization.
+ *
+ * @since       2.6
+ */
+class plgInstallerJce extends JPlugin
+{    
+    /**
+     * Handle adding credentials to package download request.
+     *
+     * @param string $url     url from which package is going to be downloaded
+     * @param array  $headers headers to be sent along the download request (key => value format)
+     *
+     * @return bool true if credentials have been added to request or not our business, false otherwise (credentials not set by user)
+     *
+     * @since   3.0
+     */
+    public function onInstallerBeforePackageDownload(&$url, &$headers)
+    {
+        $app = JFactory::getApplication();
+
+        $uri = JUri::getInstance($url);
+        $host = $uri->getHost();
+
+        if ($host !== 'www.joomlacontenteditor.net') {
+            return true;
+        }
+
+        // Get the subscription key
+        JLoader::import('joomla.application.component.helper');
+        $component = JComponentHelper::getComponent('com_jce');
+
+        // load plugin language for warning messages
+        JFactory::getLanguage()->load('plg_installer_jce', JPATH_ADMINISTRATOR);
+
+        // check if the key has already been set via the dlid field
+        $dlid = $uri->getVar('key', '');
+
+        // check the component params, fallback to the dlid
+        $key = $component->params->get('updates_key', $dlid);
+
+        // if no key is set...
+        if (empty($key)) {
+            // if we are attempting to update JCE Pro, display a notice message
+            if (strpos($url, 'pkg_jce_pro') !== false) {
+                $app->enqueueMessage(JText::_('PLG_INSTALLER_JCE_KEY_WARNING'), 'notice');
+            }
+
+            return true;
+        }
+
+        // Append the subscription key to the download URL
+        $uri->setVar('key', $key);
+
+        // create the url string
+        $url = $uri->toString();
+
+        // check validity of the key and display a message if it is invalid / expired
+        try
+        {
+            $tmpUri = clone $uri;
+
+            $tmpUri->setVar('task', 'update.validate');
+            $tmpUri->delVar('file');
+            $tmpUrl = $tmpUri->toString();
+            $response = JHttpFactory::getHttp()->get($tmpUrl, array());
+        } catch (RuntimeException $exception) {}
+
+        // invalid key, display a notice message
+        if (403 == $response->code) {
+            $app->enqueueMessage(JText::_('PLG_INSTALLER_JCE_KEY_INVALID'), 'notice');
+        }
+
+        return true;
+    }
+}

plugins/installer/jce/jce.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<extension version="3.8" type="plugin" group="installer" method="upgrade">
+	<name>plg_installer_jce</name>
+	<version>2.9.32</version>
+  <creationDate>01-11-2022</creationDate>
+  <author>Ryan Demmer</author>
+  <authorEmail>info@joomlacontenteditor.net</authorEmail>
+  <authorUrl>http://www.joomlacontenteditor.net</authorUrl>
+  <copyright>Copyright (C) 2006 - 2022 Ryan Demmer. All rights reserved</copyright>
+  <license>GNU/GPL Version 2 or later - http://www.gnu.org/licenses/gpl-2.0.html</license>
+	<description>PLG_INSTALLER_JCE_XML_DESCRIPTION</description>
+	<files folder="plugins/installer/jce">
+		<filename plugin="jce">jce.php</filename>
+	</files>
+	<languages folder="administrator/language/en-GB">
+      <language tag="en-GB">en-GB.plg_installer_jce.ini</language>
+      <language tag="en-GB">en-GB.plg_installer_jce.sys.ini</language>
+  </languages>
+</extension>