1
0
mirror of https://github.com/wbbaddons/Tims-Chat.git synced 2024-11-01 14:20:07 +00:00
Tims-Chat/file/lib/system/chat/permission/ChatPermissionHandler.class.php
2012-05-19 21:25:50 +02:00

101 lines
3.9 KiB
PHP

<?php
namespace wcf\system\chat\permission;
use \wcf\system\acl\ACLHandler;
use \wcf\system\cache\CacheHandler;
use \wcf\system\package\PackageDependencyHandler;
use \wcf\system\WCF;
/**
* Handles chat-permissions.
*
* @author Tim Düsterhus, Marcel Werk
* @copyright 2010-2012 WoltLab GmbH
* @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
* @package be.bastelstu.wcf.chat
* @subpackage system.chat.permissions
*/
class ChatPermissionHandler extends \wcf\system\SingletonFactory {
protected $chatPermissions = array();
/**
* @see \wcf\system\SingletonFactory::init()
*/
protected function init() {
$packageID = \wcf\util\ChatUtil::getPackageID();
$ush = \wcf\system\user\storage\UserStorageHandler::getInstance();
// get groups permissions
$groups = implode(',', WCF::getUser()->getGroupIDs());
$groupsFileName = \wcf\util\StringUtil::getHash(implode('-', WCF::getUser()->getGroupIDs()));
CacheHandler::getInstance()->addResource('chatPermission-'.$groups, WCF_DIR.'cache/cache.chatPermission-'.$groupsFileName.'.php', '\wcf\system\cache\builder\ChatPermissionCacheBuilder');
$this->chatPermissions = CacheHandler::getInstance()->get('chatPermission-'.$groups);
// get user permissions
if (WCF::getUser()->userID) {
// get data from storage
$ush->loadStorage(array(WCF::getUser()->userID), $packageID);
// get ids
$data = $ush->getStorage(array(WCF::getUser()->userID), 'chatUserPermissions', $packageID);
// cache does not exist or is outdated
if ($data[WCF::getUser()->userID] === null) {
$userPermissions = array();
$conditionBuilder = new \wcf\system\database\util\PreparedStatementConditionBuilder();
$conditionBuilder->add('acl_option.packageID IN (?)', array(PackageDependencyHandler::getInstance()->getDependencies()));
$conditionBuilder->add('acl_option.objectTypeID = ?', array(ACLHandler::getInstance()->getObjectTypeID('be.bastelstu.wcf.chat.room')));
$conditionBuilder->add('option_to_user.optionID = acl_option.optionID');
$conditionBuilder->add('option_to_user.userID = ?', array(WCF::getUser()->userID));
$sql = "SELECT option_to_user.objectID AS roomID, option_to_user.optionValue,
acl_option.optionName AS permission
FROM wcf".WCF_N."_acl_option acl_option,
wcf".WCF_N."_acl_option_to_user option_to_user
".$conditionBuilder;
$stmt = WCF::getDB()->prepareStatement($sql);
$stmt->execute($conditionBuilder->getParameters());
while ($row = $stmt->fetchArray()) {
$userPermissions[$row['roomID']][$row['permission']] = $row['optionValue'];
}
// update cache
$ush->update(WCF::getUser()->userID, 'chatUserPermissions', serialize($userPermissions), $packageID);
}
else {
$userPermissions = unserialize($data[WCF::getUser()->userID]);
}
foreach ($userPermissions as $roomID => $permissions) {
foreach ($permissions as $name => $value) {
$this->chatPermissions[$roomID][$name] = $value;
}
}
}
}
/**
* Fetches the given permission for the given room
*
* @param \wcf\data\chat\room\ChatRoom $room
* @param string $permission
* @return boolean
*/
public function getPermission(\wcf\data\chat\room\ChatRoom $room, $permission) {
if (!isset($this->chatPermissions[$room->roomID][$permission])) {
$permission = str_replace(array('user.', 'mod.'), array('user.chat.', 'mod.chat.'), $permission);
return WCF::getSession()->getPermission($permission);
}
return (boolean) $this->chatPermissions[$room->roomID][$permission];
}
/**
* Clears the cache.
*/
public static function clearCache() {
$packageID = \wcf\util\ChatUtil::getPackageID();
$ush = \wcf\system\user\storage\UserStorageHandler::getInstance();
$ush->resetAll('chatUserPermissions', $packageID);
\wcf\system\cache\CacheHandler::getInstance()->clear(WCF_DIR.'cache', 'cache.chatPermission-[a-f0-9]{40}.php');
}
}