/apps/user_ldap/lib/proxy.php
PHP | 104 lines | 60 code | 17 blank | 27 comment | 4 complexity | 36516f8ce7841da6293acca551331be1 MD5 | raw file
Possible License(s): AGPL-3.0, AGPL-1.0, MPL-2.0-no-copyleft-exception
- <?php
- /**
- * ownCloud â LDAP Backend Proxy
- *
- * @author Arthur Schiwon
- * @copyright 2013 Arthur Schiwon blizzz@owncloud.com
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
- *
- * You should have received a copy of the GNU Affero General Public
- * License along with this library. If not, see <http://www.gnu.org/licenses/>.
- *
- */
- namespace OCA\user_ldap\lib;
- abstract class Proxy {
- static private $connectors = array();
- public function __construct() {
- $this->cache = \OC_Cache::getGlobalCache();
- }
- private function addConnector($configPrefix) {
- self::$connectors[$configPrefix] = new \OCA\user_ldap\lib\Connection($configPrefix);
- }
- protected function getConnector($configPrefix) {
- if(!isset(self::$connectors[$configPrefix])) {
- $this->addConnector($configPrefix);
- }
- return self::$connectors[$configPrefix];
- }
- protected function getConnectors() {
- return self::$connectors;
- }
- protected function getUserCacheKey($uid) {
- return 'user-'.$uid.'-lastSeenOn';
- }
- protected function getGroupCacheKey($gid) {
- return 'group-'.$gid.'-lastSeenOn';
- }
- abstract protected function callOnLastSeenOn($id, $method, $parameters);
- abstract protected function walkBackends($id, $method, $parameters);
- /**
- * @brief Takes care of the request to the User backend
- * @param $uid string, the uid connected to the request
- * @param $method string, the method of the user backend that shall be called
- * @param $parameters an array of parameters to be passed
- * @return mixed, the result of the specified method
- */
- protected function handleRequest($id, $method, $parameters) {
- if(!$result = $this->callOnLastSeenOn($id, $method, $parameters)) {
- $result = $this->walkBackends($id, $method, $parameters);
- }
- return $result;
- }
- private function getCacheKey($key) {
- $prefix = 'LDAP-Proxy-';
- if(is_null($key)) {
- return $prefix;
- }
- return $prefix.md5($key);
- }
- public function getFromCache($key) {
- if(!$this->isCached($key)) {
- return null;
- }
- $key = $this->getCacheKey($key);
- return unserialize(base64_decode($this->cache->get($key)));
- }
- public function isCached($key) {
- $key = $this->getCacheKey($key);
- return $this->cache->hasKey($key);
- }
- public function writeToCache($key, $value) {
- $key = $this->getCacheKey($key);
- $value = base64_encode(serialize($value));
- $this->cache->set($key, $value, '2592000');
- }
- public function clearCache() {
- $this->cache->clear($this->getCacheKey(null));
- }
- }