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<?php
namespace JExtstore\Component\JChat\Administrator\Model;
/**
* @package JCHAT::CPANEL::administrator::components::com_jchat
* @subpackage models
* @author Joomla! Extensions Store
* @copyright (C) 2024 - Joomla! Extensions Store
* @license GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html
*/
defined ( '_JEXEC' ) or die ( 'Restricted access' );
define ('SERVER_REMOTE_URI', 'http://storejextensions.org/dmdocuments/updates/');
define ('UPDATES_FORMAT', '.json');
define ('UPDATES_BRANCH', '_enterprise');
use Joomla\CMS\MVC\Factory\MVCFactoryInterface;
use Joomla\CMS\Language\Text;
use JExtstore\Component\JChat\Administrator\Framework\Model as JChatModel;
use JExtstore\Component\JChat\Administrator\Framework\Http;
use JExtstore\Component\JChat\Administrator\Framework\Exception as JChatException;
/**
* Messages model responsibilities contract
*
* @package JCHAT::MESSAGES::administrator::components::com_jchat
* @subpackage models
* @since 1.0
*/
interface ICPanelModel {
/**
* Get by remote server informations for new updates of this extension
*
* @access public
* @param JChatHttp $httpClient
* @return mixed An object json decoded from server if update information retrieved correctly otherwise false
*/
public function getUpdates(JChatHttp $httpClient);
/**
* Delete from file system all obsolete exchanged files
* @access public
* @return boolean
*/
public function purgeFileCache();
/**
* Delete from all session status database tables
* @access public
* @return boolean
*/
public function purgeDbCache();
}
/**
* CPanel model concrete implementation
*
* @package JCHAT::CPANEL::administrator::components::com_jchat
* @subpackage models
* @since 1.0
*/
class CpanelModel extends JChatModel {
/**
* Sess SQL query for the client id
* @access private
* @var string
*/
private $sessClientId;
/**
* Component configuration params
* @access protected
* @var Object
*/
protected $cParams = null;
/**
* Counter result set
*
* @access protected
* @return int
*/
protected function buildListQueryTotalUsers() {
$query = "SELECT COUNT(*) FROM #__users" .
"\n WHERE " . $this->dbInstance->quoteName('block') . " = 0";
return $query;
}
/**
* Counter result set
*
* @access protected
* @return int
*/
protected function buildListQueryLoggedUsers() {
$query = "SELECT COUNT(*) FROM #__users AS u" .
"\n INNER JOIN #__session AS sess" .
"\n ON sess.userid = u.id" .
"\n WHERE u.block = 0" .
"\n AND sess.guest = 0" .
"\n AND " . $this->sessClientId;
return $query;
}
/**
* Counter result set
*
* @access protected
* @return int
*/
protected function buildListQueryBannedUsers() {
$query = "SELECT COUNT(*) FROM #__session AS sess" .
"\n INNER JOIN #__jchat_banned_users AS ban" .
"\n ON sess.session_id = ban.banned" .
"\n WHERE " . $this->sessClientId;
return $query;
}
/**
* Counter result set
*
* @access protected
* @return int
*/
protected function buildListQueryVideochatSessions() {
$query = "SELECT COUNT(*) FROM #__jchat_webrtc AS rtc1" .
"\n INNER JOIN #__jchat_webrtc AS rtc2" .
"\n ON rtc1.peer1 = rtc2.peer2";
return $query;
}
/**
* Counter result set
*
* @access protected
* @return int
*/
protected function buildListQueryTotalMessages() {
$query = "SELECT COUNT(*) FROM #__jchat AS c" .
"\n WHERE c.type = " . $this->dbInstance->quote('message');
return $query;
}
/**
* Counter result set
*
* @access protected
* @return int
*/
protected function buildListQueryTotalFileMessages() {
$query = "SELECT COUNT(*) FROM #__jchat AS c" .
"\n WHERE c.type = " . $this->dbInstance->quote('file');
return $query;
}
/**
* Main get data method
*
* @access public
* @return array
*/
public function getData(): array {
$calculatedStats = array();
// Build queries
try {
// Total users
$query = $this->buildListQueryTotalUsers ();
$this->dbInstance->setQuery ( $query );
$calculatedStats['chart_users_canvas']['totalusers'] = $this->dbInstance->loadResult ();
// Total global modules
// Logged in users
$query = $this->buildListQueryLoggedUsers ();
$this->dbInstance->setQuery ( $query );
$calculatedStats['chart_users_canvas']['loggedusers'] = $this->dbInstance->loadResult ();
// Total published modules
// Total messages exchanged
$query = $this->buildListQueryTotalMessages ();
$this->dbInstance->setQuery ( $query );
$calculatedStats['chart_messages_canvas']['totalmessages'] = $this->dbInstance->loadResult ();
// Total published modules
// Total file messages exchanged
$query = $this->buildListQueryTotalFileMessages ();
$this->dbInstance->setQuery ( $query );
$calculatedStats['chart_messages_canvas']['totalfilemessages'] = $this->dbInstance->loadResult ();
// Total published modules
// Total banned users
$query = $this->buildListQueryBannedUsers ();
$this->dbInstance->setQuery ( $query );
$calculatedStats['chart_videochat_canvas']['totalbannedusers'] = $this->dbInstance->loadResult ();
// Total published modules
// Total active videochat sessions
$query = $this->buildListQueryVideochatSessions ();
$this->dbInstance->setQuery ( $query );
$calculatedStats['chart_videochat_canvas']['totalvideochatsessions'] = $this->dbInstance->loadResult () / 2;
// Total published modules
} catch (JChatException $e) {
$this->app->enqueueMessage($e->getMessage(), $e->getExceptionLevel());
$calculatedStats = array();
} catch (\Exception $e) {
$jchatException = new JChatException($e->getMessage(), 'error');
$this->app->enqueueMessage($jchatException->getMessage(), $jchatException->getExceptionLevel());
$calculatedStats = array();
}
return $calculatedStats;
}
/**
* Get by remote server informations for new updates of this extension
*
* @access public
* @param Http $httpClient
* @return mixed An object json decoded from server if update information retrieved correctly otherwise false
*/
public function getUpdates(Http $httpClient) {
// Updates server remote URI
$option = $this->getState ( 'option', 'com_jchat' );
if(!$option) {
return false;
}
$url = SERVER_REMOTE_URI . $option . UPDATES_BRANCH . UPDATES_FORMAT;
// Try to get informations
try {
$response = $httpClient->get($url)->body;
if($response) {
$decodedUpdateInfos = json_decode($response);
}
return $decodedUpdateInfos;
} catch(JChatException $e) {
return false;
} catch(\Exception $e) {
return false;
}
}
/**
* Delete from file system all obsolete exchanged files
* @access public
* @return boolean
*/
public function purgeFileCache() {
// Garbage files cache folder
try {
if(is_dir($this->cParams->get('cacheFolder'))) {
$filenames = array();
if(class_exists('\DirectoryIterator', false)) {
// Clear exchanged attachment cache
$iterator = new \DirectoryIterator($this->cParams->get('cacheFolder'));
foreach ($iterator as $fileinfo) {
if ($fileinfo->isFile() && $fileinfo->getFilename() != 'index.html') {
unlink($fileinfo->getRealPath());
}
}
// Clear avatars cache
$iterator = new \DirectoryIterator($this->cParams->get('avatarFolder'));
foreach ($iterator as $fileinfo) {
if ($fileinfo->isFile() && $fileinfo->getFilename() != 'index.html' && strpos($fileinfo->getFilename(), 'gsid') === 0) {
unlink($fileinfo->getRealPath());
}
}
// Clear live streaming folder
if(file_exists(JPATH_ROOT . '/media/com_jchat/livestreaming')) {
$iterator = new \DirectoryIterator(JPATH_ROOT . '/media/com_jchat/livestreaming');
foreach ($iterator as $fileinfo) {
if ($fileinfo->isFile() && $fileinfo->getFilename() != 'index.html') {
unlink($fileinfo->getRealPath());
}
}
}
} else {
throw new \Exception(Text::_('COM_JCHAT_NO_SPL_SUPPORT'));
}
} else {
throw new \Exception(Text::_('COM_JCHAT_INVALID_CACHE_PATH'));
}
} catch (\Exception $e) {
$jchatException = new JChatException($e->getMessage(), 'error');
$this->setException($jchatException);
return false;
}
return true;
}
/**
* Delete from all session status database tables
* @access public
* @return boolean
*/
public function purgeDbCache() {
$query = method_exists ( $this->dbInstance, 'createQuery' ) ? $this->dbInstance->createQuery () : $this->dbInstance->getQuery ( true );
try {
// Delete session status still not active session for Joomla session lifetime
$queryDeleteJoin = "DELETE status".
"\n FROM " . $this->dbInstance->quoteName('#__jchat_sessionstatus') . " AS status" .
"\n LEFT JOIN " . $this->dbInstance->quoteName('#__session') . " AS sess" .
"\n ON status.sessionid = sess.session_id" .
"\n WHERE sess.session_id IS NULL";
// Purge session status
$this->dbInstance->setQuery($queryDeleteJoin)->execute();
// Delete userstatus only for users no more existant inside system
$queryDeleteJoin = "DELETE userstatus".
"\n FROM " . $this->dbInstance->quoteName('#__jchat_userstatus') . " AS userstatus" .
"\n LEFT JOIN " . $this->dbInstance->quoteName('#__users') . " AS user" .
"\n ON userstatus.userid = user.id" .
"\n WHERE user.id IS NULL";
// Purge session status
$this->dbInstance->setQuery($queryDeleteJoin)->execute();
// Delete banned users still not active session for Joomla session lifetime
$queryDeleteJoin = "DELETE ban".
"\n FROM " . $this->dbInstance->quoteName('#__jchat_banned_users') . " AS ban" .
"\n LEFT JOIN " . $this->dbInstance->quoteName('#__session') . " AS sess" .
"\n ON ban.banning = sess.session_id" .
"\n WHERE sess.session_id IS NULL";
// Purge session status
$this->dbInstance->setQuery($queryDeleteJoin)->execute();
// Delete banned users still not active session for Joomla session lifetime
$queryDeleteJoin = "DELETE banids".
"\n FROM " . $this->dbInstance->quoteName('#__jchat_banned_users_ids') . " AS banids" .
"\n LEFT JOIN " . $this->dbInstance->quoteName('#__users') . " AS u" .
"\n ON banids.banning = u.id" .
"\n WHERE u.id IS NULL";
// Purge session status
$this->dbInstance->setQuery($queryDeleteJoin)->execute();
// Delete dirty Webrtc session relations if any, still not active session for Joomla session lifetime
$queryDeleteJoin = "DELETE webrtc".
"\n FROM " . $this->dbInstance->quoteName('#__jchat_webrtc') . " AS webrtc" .
"\n LEFT JOIN " . $this->dbInstance->quoteName('#__session') . " AS sess" .
"\n ON webrtc.peer1 = sess.session_id" .
"\n WHERE sess.session_id IS NULL";
// Purge session status
$this->dbInstance->setQuery($queryDeleteJoin)->execute();
// Delete no more available users after deletion in the core Joomla users table, this allows relogin and creation of a new login user
$queryDeleteJoin = "DELETE login".
"\n FROM " . $this->dbInstance->quoteName('#__jchat_login') . " AS login" .
"\n LEFT JOIN " . $this->dbInstance->quoteName('#__users') . " AS u" .
"\n ON login.j_uid = u.id" .
"\n WHERE u.id IS NULL";
// Purge session status
$this->dbInstance->setQuery($queryDeleteJoin)->execute();
// Delete no more available users after deletion in the core Joomla users table, this allows relogin and creation of a new login user
$queryDelete = "DELETE deletemessages".
"\n FROM " . $this->dbInstance->quoteName('#__jchat_deleted_messages') . " AS deletemessages";
// Purge session status
$this->dbInstance->setQuery($queryDelete)->execute();
// Delete session relations when public group chat is in invitation mode
$query->delete('#__jchat_public_sessionrelations');
// Purge session status
$this->dbInstance->setQuery($query)->execute();
// Optionally reset all user status to revert the exit from an no more existing chatroom
if($this->cParams->get('purge_reset_all_userstatus', 0)) {
$queryDelete = "DELETE userstatus".
"\n FROM " . $this->dbInstance->quoteName('#__jchat_userstatus') . " AS userstatus";
// Purge session status
$this->dbInstance->setQuery($queryDelete)->execute();
}
} catch ( JChatException $e ) {
$this->setException ( $e );
return false;
} catch ( \Exception $e ) {
$jchatException = new JChatException ( $e->getMessage (), 'error' );
$this->setException ( $jchatException );
return false;
}
return true;
}
/**
* Class constructor
* @access public
* @param array $config
* @return Object&
*/
public function __construct($config = array(), ?MVCFactoryInterface $factory = null) {
parent::__construct ( $config, $factory );
// Evaluate the shared session option for SQL queries
$sharedSession = (int)$this->app->get('shared_session', null);
if($sharedSession == 1 && $this->getComponentParams()->get('shared_session_support', 1)) {
$this->sessClientId = '(sess.client_id = 0 OR ISNULL(sess.client_id))';
} else {
$this->sessClientId = 'sess.client_id = 0';
}
$this->cParams = $this->getComponentParams();
$this->cParams->set('cacheFolder', JPATH_COMPONENT_SITE . '/cache/');
$this->cParams->set('avatarFolder', JPATH_COMPONENT_SITE . '/images/avatars/');
}
}