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<?php
/**
* Kunena System Plugin
* @package Kunena.Plugins
* @subpackage System
*
* @copyright (C) 2008 - 2016 Kunena Team. All rights reserved.
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL
* @link https://www.kunena.org
**/
defined ( '_JEXEC' ) or die ();
/**
* Class plgSystemKunena
*/
class plgSystemKunena extends JPlugin
{
/**
* @param object $subject
* @param array $config
*/
function __construct(&$subject, $config)
{
// Check if Kunena API exists
$api = JPATH_ADMINISTRATOR . '/components/com_kunena/api.php';
if (!is_file ($api))
{
return;
}
jimport ( 'joomla.application.component.helper' );
// Check if Kunena component is installed/enabled
if (!JComponentHelper::isEnabled ( 'com_kunena', true ))
{
return;
}
// Load Kunena API
require_once $api;
// Do not load if Kunena version is not supported or Kunena is not installed
if (!(class_exists('KunenaForum') && KunenaForum::isCompatible('4.0') && KunenaForum::installed()))
{
return;
}
parent::__construct ( $subject, $config );
// ! Always load language after parent::construct else the name of plugin isn't yet set
$this->loadLanguage('plg_system_kunena.sys');
}
/**
* @internal
*
* @param $context
* @param $params
*/
public function onKunenaGetConfiguration($context, &$params)
{
if ($context == 'kunena.configuration')
{
$params["plg_{$this->_type}_{$this->_name}"] = $this->params;
}
}
/**
* Map Kunena's ContentPrepare to Joomla's ContentPrepare event
*
* This is done to be able to use Joomla plugins on Kunena postings.
* Option to enable or disable this, is found as plugin parameter.
*
* @access public
* @see self::runJoomlaContentEvent()
* @since Kunena 2.0
* @todo Make an object to array conversion, to support also single postings
*
* @param string $context In which context were event called?
* @param array $items Array of multiple KunenaForumMessage objects
* @param object $params JRegistry object holding eventual parameters
* @param int $page An integer holding page number
*
* @return array of KunenaForumMessage objects
*/
// FIXME: function below was totally broken, so it's currently turned off
/*
public function onKunenaPrepare($context, &$items, &$params, $page = 0) {
$jcontentevent = (int) $this->params->get('jcontentevents', false);
$jcontentevent_target = (array) $this->params->get('jcontentevent_target', array('body'));
if ( $jcontentevent ) {
switch ( $context ) {
// Object KunenaForumTopic
case 'kunena.topic':
if ( in_array('title', $jcontentevent_target) ) {
$this->runJoomlaContentEvent( $item->subject, $params, $page );
}
if ( in_array('body', $jcontentevent_target) ) {
$this->runJoomlaContentEvent( $item->first_post_message, $params, $page );
$this->runJoomlaContentEvent( $item->last_post_message, $params, $page );
}
break;
// Array of KunenaForumTopic
case 'kunena.topics':
if ( !is_array( $items )) {
break;
}
// Run events on all objects
foreach ( $items as $item ) {
if ( in_array('title', $jcontentevent_target) ) {
$this->runJoomlaContentEvent( $item->subject, $params, $page );
}
if ( in_array('body', $jcontentevent_target) ) {
$this->runJoomlaContentEvent( $item->first_post_message, $params, $page );
$this->runJoomlaContentEvent( $item->last_post_message, $params, $page );
}
}
break;
// Object KunenaForumMessage
case 'kunena.message':
if ( in_array('title', $jcontentevent_target) ) {
$this->runJoomlaContentEvent( $items->subject, $params, $page );
}
if ( in_array('body', $jcontentevent_target) ) {
$this->runJoomlaContentEvent( $items->message, $params, $page );
}
break;
// Array of KunenaForumMessage
case 'kunena.messages':
if ( !is_array( $items )) {
break;
}
// Run events on all objects
foreach ( $items as $item ) {
if ( in_array('title', $jcontentevent_target) ) {
$this->runJoomlaContentEvent( $item->subject, $params, $page );
}
if ( in_array('body', $jcontentevent_target) ) {
$this->runJoomlaContentEvent( $item->message, $params, $page );
}
}
break;
default:
}
}
return $items;
}
*/
/**
* Runs all Joomla content plugins on a single KunenaForumMessage
*
* @access protected
* @see self::onKunenaPrepare()
* @since Kunena 2.0
*
* @param string $text String to run events on
* @param object $params JRegistry object holding eventual parameters
* @param int $page An integer holding page number
*
* @return object KunenaForumMessage
*/
protected function runJoomlaContentEvent( &$text, &$params, $page = 0 )
{
$dispatcher = JDispatcher::getInstance();
JPluginHelper::importPlugin('content');
$row = new stdClass();
$row->text = &$text;
$dispatcher->trigger('onContentPrepare', array ('text', &$row, &$params, 0));
$text = &$row->text;
return $text;
}
/**
* @param $user
* @param $isnew
* @param $success
* @param $msg
*/
public function onUserAfterSave($user, $isnew, $success, $msg)
{
//Don't continue if the user wasn't stored successfully
if (!$success)
{
return;
}
if ($isnew && intval($user ['id']))
{
$kuser = KunenaFactory::getUser(intval($user ['id']));
$kuser->save();
}
/*
// See: https://www.kunena.org/forum/159-k-16-common-questions/63438-category-subscriptions-default-subscribed#63554
// TODO: Subscribe user to every category if he is new and Kunena is configured to do so
if ($isnew) {
$subscribedCategories = '1,2,3,4,5,6,7,8,9,10';
$db = Jfactory::getDBO();
$query = "INSERT INTO #__kunena_user_categories (user_id,category_id,subscribed)
SELECT {{$db->quote($user->userid)} AS user_id, c.id as category_id, 1
FROM #__kunena_categories AS c
LEFT JOIN #__kunena_user_categories AS s ON c.id=s.category_id AND s.user_id={{$db->quote($user->userid)}
WHERE c.parent>0 AND c.id IN ({$subscribedCategories}) AND s.user_id IS NULL";
$db->setQuery ( $query );
$db->query ();
KunenaError::checkDatabaseError();
// Here's also query to subscribe all users (including blocked) to all existing cats:
$query = "INSERT INTO #__kunena_user_categories (user_id,category_id,subscribed)
SELECT u.id AS user_id, c.id AS category_id, 1
FROM #__users AS u
JOIN #__kunena_categories AS c ON c.parent>0
LEFT JOIN #__kunena_user_categories AS s ON u.id=s.user_id
WHERE c.id IN ({$subscribedCategories}) AND s.user_id IS NULL";
}
*/
}
/**
* Prevent downgrades to Kunena 1.7 and older releases
*
* @param $method
* @param $type
* @param $manifest
* @param $eid
*
* @return bool|null
*/
public function onExtensionBeforeInstall($method, $type, $manifest, $eid)
{
// We don't want to handle discover install (where there's no manifest provided)
if (!$manifest)
{
return null;
}
return $this->onExtensionBeforeUpdate($type, $manifest);
}
/**
* Prevent downgrades to Kunena 1.7 and older releases
*
* @param $type
* @param $manifest
*
* @return bool
* @throws Exception
*/
public function onExtensionBeforeUpdate($type, $manifest)
{
if ($type != 'component')
{
return true;
}
// Generate component name
$name = strtolower(JFilterInput::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 = JFactory::getApplication();
$app->enqueueMessage(sprintf('Sorry, it is not possible to downgrade Kunena %s to version %s.', KunenaForum::version(), $manifest->version), 'warning');
$app->enqueueMessage(JText::_('JLIB_INSTALLER_ABORT_COMP_INSTALL_CUSTOM_INSTALL_FAILURE'), 'error');
$app->enqueueMessage(JText::sprintf('COM_INSTALLER_MSG_UPDATE_ERROR', JText::_('COM_INSTALLER_TYPE_TYPE_'.strtoupper($type))));
$app->redirect('index.php?option=com_installer');
return true;
}
}