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<?php
/**
* Kunena System Plugin
*
* @package Kunena.Plugins
* @subpackage System
*
* @copyright Copyright (C) 2008 - 2025 Kunena Team. All rights reserved.
* @license https://www.gnu.org/copyleft/gpl.html GNU/GPL
* @link https://www.kunena.org
**/
defined('_JEXEC') or die();
use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\Filter\InputFilter;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Plugin\CMSPlugin;
use Joomla\CMS\Plugin\PluginHelper;
use Kunena\Forum\Libraries\Controller\Application\Display;
use Kunena\Forum\Libraries\Factory\KunenaFactory;
use Kunena\Forum\Libraries\Forum\KunenaForum;
use Kunena\Forum\Libraries\KunenaInstaller;
use Kunena\Forum\Libraries\Template\KunenaTemplate;
/**
* Class plgSystemKunena
*
* @since Kunena 6.0
*/
class PlgSystemKunena extends CMSPlugin
{
/**
* @param object $subject Subject
* @param array $config Config
*
* @throws Exception
* @since Kunena 6.0
*/
public function __construct(object $subject, array $config)
{
if (php_sapi_name() === 'cli') {
return;
}
// Check if Kunena API exists
$api = JPATH_ADMINISTRATOR . '/components/com_kunena/api/api.php';
if (!is_file($api)) {
return;
}
// Check if Kunena component is installed/enabled
if (!ComponentHelper::isEnabled('com_kunena')) {
return;
}
// Load Kunena API
require_once $api;
// Do not load if Kunena version is not supported or Kunena is not installed
if (!(KunenaForum::isCompatible('6.3') && KunenaForum::installed())) {
return;
}
parent::__construct($subject, $config);
$app = Factory::getApplication();
$format = $app->input->getCmd('format');
require_once JPATH_LIBRARIES . '/kunena/External/autoload.php';
if (!empty($format) && $format != 'html') {
if ($app->scope == 'com_kunena') {
if (!PluginHelper::isEnabled('kunena', 'powered')) {
$styles = <<<EOF
.layout#kunena + div { display: block !important;}
#kunena + div { display: block !important;}
EOF;
KunenaTemplate::getInstance()->addStyleDeclaration($styles);
}
}
if (!method_exists(Display::class, 'poweredBy')) {
Factory::getApplication()->enqueueMessage(
'Please Buy Official powered by remover plugin on: https://www.kunena.org/downloads',
'notice'
);
}
}
// ! Always load language after parent::construct else the name of plugin isn't yet set
$this->loadLanguage('plg_system_kunena.sys');
}
/**
* @param string $context Context
* @param array $params Params
*
* @return void
*
* @internal
*
* @since Kunena 6.0
*/
public function onKunenaGetConfiguration(string $context, array &$params): void
{
if ($context == 'kunena.configuration') {
$params["plg_{$this->_type}_{$this->_name}"] = $this->params;
}
}
/**
* @param mixed $user User
* @param boolean $isnew Is new
* @param boolean $success Success
* @param string|null $msg Message
*
* @return void
*
* @since Kunena 6.0
* @throws \Exception
*/
public function onUserAfterSave($user, bool $isnew, bool $success, ?string $msg): void
{
// Don't continue if the user wasn't stored successfully
if (!$success) {
return;
}
if ($isnew && intval($user['id'])) {
$kuser = KunenaFactory::getUser(intval($user['id']));
$kuser->save();
}
}
/**
* Prevent downgrades to Kunena 1.7 and older releases
*
* @param string $method method
* @param string $type type
* @param string $manifest manifest when use discover install it's null
* @param int $eid id
*
* @return bool
* @since Kunena 6.0
* @throws \Exception
*/
public function onExtensionBeforeInstall(string $method, string $type, $manifest, int $eid): bool
{
// We don't want to handle discover install (where there's no manifest provided)
if (!$manifest) {
return false;
}
return $this->onExtensionBeforeUpdate($type, $manifest);
}
/**
* Prevent downgrades to Kunena 1.7 and older releases
*
* @param object $type type
* @param string $manifest manifest
*
* @return boolean
*
* @throws Exception
* @since Kunena 6.0
*/
public function onExtensionBeforeUpdate($type, object $manifest): bool
{
if ($type != 'component') {
return true;
}
// Generate component name
$name = strtolower(InputFilter::getInstance()->clean((string) $manifest->name, 'cmd'));
$element = (substr($name, 0, 4) == "com_") ? $name : "com_{$name}";
if ($element != 'com_kunena') {
return true;
}
// Kunena 2.0.0-BETA2 and later support this feature in their installer
if (version_compare($manifest->version, '2.0.0', '>=')) {
return true;
}
// Check if we can downgrade to the current version
if (class_exists('KunenaInstaller') && KunenaInstaller::canDowngrade($manifest->version)) {
return true;
}
// Old version detected: emulate failed installation
$app = Factory::getApplication();
$app->enqueueMessage(sprintf(
'Sorry, it is not possible to downgrade Kunena %s to version %s.',
KunenaForum::version(),
$manifest->version
), 'warning');
$app->enqueueMessage(Text::_('JLIB_INSTALLER_ABORT_COMP_INSTALL_CUSTOM_INSTALL_FAILURE'), 'error');
$app->enqueueMessage(Text::sprintf('COM_INSTALLER_MSG_UPDATE_ERROR', Text::_('COM_INSTALLER_TYPE_TYPE_' . strtoupper($type))), 'error');
$app->redirect('index.php?option=com_installer');
return true;
}
/**
* Runs all Joomla content plugins on a single \Kunena\Forum\Libraries\Forum\Message\Message
*
* @access protected
*
* @param string $text String to run events on
* @param object $params Joomla\Registry\Registry object holding eventual parameters
* @param int $page An integer holding page number
*
* @return string
*
* @throws Exception
* @since Kunena 2.0
*
* @see self::onKunenaPrepare()
*/
protected function runJoomlaContentEvent(string &$text, object $params, $page = 0)
{
PluginHelper::importPlugin('content');
$row = new stdClass();
$row->text = &$text;
Factory::getApplication()->triggerEvent('onContentPrepare', ['text', &$row, &$params, 0]);
$text = &$row->text;
return $text;
}
}