mirror of
https://github.com/wbbaddons/Tims-Chat.git
synced 2024-12-22 21:40:08 +00:00
112 lines
3.9 KiB
PHP
112 lines
3.9 KiB
PHP
<?php
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namespace chat\system\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 2010-2013 WoltLab GmbH
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* @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
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* @package be.bastelstu.chat
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* @subpackage system.permission
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*/
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class PermissionHandler {
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/**
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* permissions set for the active user
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* @var array<boolean>
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*/
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protected $chatPermissions = array();
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/**
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* given user decorated in a user profile
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* @var \wcf\data\user\UserProfile
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*/
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protected $user = null;
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public function __construct(\wcf\data\user\User $user = null) {
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if ($user === null) $user = WCF::getUser();
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$this->user = new \wcf\data\user\UserProfile($user);
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$packageID = \chat\util\ChatUtil::getPackageID();
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$ush = \wcf\system\user\storage\UserStorageHandler::getInstance();
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// get groups permissions
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$groups = implode(',', $user->getGroupIDs());
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$groupsFileName = \wcf\util\StringUtil::getHash(implode('-', $user->getGroupIDs()));
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CacheHandler::getInstance()->addResource('permission-'.$groups, WCF_DIR.'cache/cache.permission-'.$groupsFileName.'.php', '\chat\system\cache\builder\PermissionCacheBuilder');
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$this->chatPermissions = CacheHandler::getInstance()->get('permission-'.$groups);
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// get user permissions
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if ($user->userID) {
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// get data from storage
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$ush->loadStorage(array($user->userID), $packageID);
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// get ids
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$data = $ush->getStorage(array($user->userID), 'chatUserPermissions', $packageID);
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// cache does not exist or is outdated
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if ($data[$user->userID] === null) {
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$userPermissions = array();
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$conditionBuilder = new \wcf\system\database\util\PreparedStatementConditionBuilder();
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$conditionBuilder->add('acl_option.objectTypeID = ?', array(ACLHandler::getInstance()->getObjectTypeID('be.bastelstu.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($user->userID));
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$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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".$conditionBuilder;
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$stmt = WCF::getDB()->prepareStatement($sql);
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$stmt->execute($conditionBuilder->getParameters());
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while ($row = $stmt->fetchArray()) {
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$userPermissions[$row['roomID']][$row['permission']] = $row['optionValue'];
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}
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// update cache
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$ush->update($user->userID, 'chatUserPermissions', serialize($userPermissions), $packageID);
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}
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else {
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$userPermissions = unserialize($data[$user->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 \chat\data\room\Room $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(\chat\data\room\Room $room, $permission) {
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if (!isset($this->chatPermissions[$room->roomID][$permission])) {
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$permission = str_replace(array('user.', 'mod.'), array('user.chat.', 'mod.chat.'), $permission);
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return $this->user->getPermission($permission);
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}
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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 = \chat\util\ChatUtil::getPackageID();
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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.permission-[a-f0-9]{40}.php');
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}
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}
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