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Tims-Chat/file/lib/system/chat/permission/ChatPermissionHandler.class.php
Tim Düsterhus dbd4e7b849 Adding ACL-Administration
plus correcting comments and fixing unload handler
2012-02-26 17:55:44 +01:00

91 lines
3.2 KiB
PHP

<?php
namespace wcf\system\chat\permission;
use \wcf\system\acl\ACLHandler;
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 timwolla.wcf.chat
* @subpackage system.chat.permissions
*/
class ChatPermissionHandler extends \wcf\system\SingletonFactory {
protected $chatPermissions = array();
/**
* @see \wcf\system\SingletonFactory::init()
*/
protected function init() {
$packageID = PackageDependencyHandler::getPackageID('timwolla.wcf.chat');
$ush = \wcf\system\user\storage\UserStorageHandler::getInstance();
// TODO: get groups permissions
// 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// cache does not exist or is outdated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::getDependencies()));
$conditionBuilder->add('acl_option.objectTypeID = ?', array(ACLHandler::getInstance()->getObjectTypeID('timwolla.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;
$statement = WCF::getDB()->prepareStatement($sql);
$statement->execute($conditionBuilder->getParameters());
while ($row = $statement->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])) return true;
return (boolean) $this->chatPermissions[$room->roomID][$permission];
}
/**
* Clears the cache.
*/
public static function clearCache() {
$packageID = PackageDependencyHandler::getPackageID('timwolla.wcf.chat');
$ush = \wcf\system\user\storage\UserStorageHandler::getInstance();
$ush->resetAll('chatUserPermissions', $packageID);
}
}