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;
}
}