mirror of
https://github.com/wbbaddons/Tims-Chat.git
synced 2024-11-01 14:20:07 +00:00
98 lines
3.8 KiB
PHP
98 lines
3.8 KiB
PHP
<?php
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namespace wcf\system\chat\permission;
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use \wcf\system\acl\ACLHandler;
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use \wcf\system\cache\CacheHandler;
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use \wcf\system\package\PackageDependencyHandler;
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use \wcf\system\WCF;
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/**
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* Handles chat-permissions.
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*
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* @author Tim Düsterhus, Marcel Werk
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* @copyright 2010-2012 WoltLab GmbH
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* @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
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* @package timwolla.wcf.chat
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* @subpackage system.chat.permissions
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*/
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class ChatPermissionHandler extends \wcf\system\SingletonFactory {
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protected $chatPermissions = array();
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/**
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* @see \wcf\system\SingletonFactory::init()
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*/
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protected function init() {
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$packageID = PackageDependencyHandler::getPackageID('timwolla.wcf.chat');
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$ush = \wcf\system\user\storage\UserStorageHandler::getInstance();
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// get groups permissions
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$groups = implode(',', WCF::getUser()->getGroupIDs());
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$groupsFileName = \wcf\util\StringUtil::getHash(implode('-', WCF::getUser()->getGroupIDs()));
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CacheHandler::getInstance()->addResource('chatPermission-'.$groups, WCF_DIR.'cache/cache.chatPermission-'.$groupsFileName.'.php', 'wcf\system\cache\builder\ChatPermissionCacheBuilder');
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$this->chatPermissions = CacheHandler::getInstance()->get('chatPermission-'.$groups);
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// get user permissions
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if (WCF::getUser()->userID) {
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// get data from storage
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$ush->loadStorage(array(WCF::getUser()->userID), $packageID);
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// get ids
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$data = $ush->getStorage(array(WCF::getUser()->userID), 'chatUserPermissions', $packageID);
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// cache does not exist or is outdated
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if ($data[WCF::getUser()->userID] === null) {
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$userPermissions = array();
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$conditionBuilder = new \wcf\system\database\util\PreparedStatementConditionBuilder();
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$conditionBuilder->add('acl_option.packageID IN (?)', array(PackageDependencyHandler::getDependencies()));
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$conditionBuilder->add('acl_option.objectTypeID = ?', array(ACLHandler::getInstance()->getObjectTypeID('timwolla.wcf.chat.room')));
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$conditionBuilder->add('option_to_user.optionID = acl_option.optionID');
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$conditionBuilder->add('option_to_user.userID = ?', array(WCF::getUser()->userID));
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$sql = "SELECT option_to_user.objectID AS roomID, option_to_user.optionValue,
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acl_option.optionName AS permission
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FROM wcf".WCF_N."_acl_option acl_option,
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wcf".WCF_N."_acl_option_to_user option_to_user
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".$conditionBuilder;
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$statement = WCF::getDB()->prepareStatement($sql);
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$statement->execute($conditionBuilder->getParameters());
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while ($row = $statement->fetchArray()) {
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$userPermissions[$row['roomID']][$row['permission']] = $row['optionValue'];
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}
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// update cache
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$ush->update(WCF::getUser()->userID, 'chatUserPermissions', serialize($userPermissions), $packageID);
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}
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else {
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$userPermissions = unserialize($data[WCF::getUser()->userID]);
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}
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foreach ($userPermissions as $roomID => $permissions) {
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foreach ($permissions as $name => $value) {
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$this->chatPermissions[$roomID][$name] = $value;
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}
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}
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}
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}
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/**
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* Fetches the given permission for the given room
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*
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* @param \wcf\data\chat\room\ChatRoom $room
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* @param string $permission
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* @return boolean
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*/
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public function getPermission(\wcf\data\chat\room\ChatRoom $room, $permission) {
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if (!isset($this->chatPermissions[$room->roomID][$permission])) return true;
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return (boolean) $this->chatPermissions[$room->roomID][$permission];
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}
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/**
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* Clears the cache.
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*/
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public static function clearCache() {
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$packageID = PackageDependencyHandler::getPackageID('timwolla.wcf.chat');
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$ush = \wcf\system\user\storage\UserStorageHandler::getInstance();
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$ush->resetAll('chatUserPermissions', $packageID);
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\wcf\system\cache\CacheHandler::getInstance()->clear(WCF_DIR.'cache', 'cache.chatPermission-[a-f0-9]{40}.php');
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}
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} |