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<?php |
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/** |
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* @copyright Copyright (c) 2016, ownCloud, Inc. |
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* |
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* @author Arthur Schiwon <[email protected]> |
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* @author Bart Visscher <[email protected]> |
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* @author Christopher Schäpers <[email protected]> |
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* @author Christoph Wurst <[email protected]> |
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* @author Joas Schilling <[email protected]> |
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* @author Jörn Friedrich Dreyer <[email protected]> |
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* @author Lukas Reschke <[email protected]> |
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* @author Morris Jobke <[email protected]> |
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* @author Robin McCorkell <[email protected]> |
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* @author Roeland Jago Douma <[email protected]> |
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* @author Roger Szabo <[email protected]> |
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* @author Thomas Müller <[email protected]> |
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* |
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* @license AGPL-3.0 |
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* |
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* This code is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License, version 3, |
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* as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License, version 3, |
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* along with this program. If not, see <http://www.gnu.org/licenses/> |
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* |
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*/ |
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namespace OCA\User_LDAP; |
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use OCA\User_LDAP\Mapping\GroupMapping; |
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use OCA\User_LDAP\Mapping\UserMapping; |
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use OCA\User_LDAP\User\Manager; |
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abstract class Proxy { |
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private static $accesses = []; |
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private $ldap = null; |
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/** @var bool */ |
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private $isSingleBackend; |
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/** @var \OCP\ICache|null */ |
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private $cache; |
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/** |
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* @param ILDAPWrapper $ldap |
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*/ |
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public function __construct(ILDAPWrapper $ldap) { |
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$this->ldap = $ldap; |
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$memcache = \OC::$server->getMemCacheFactory(); |
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if ($memcache->isAvailable()) { |
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$this->cache = $memcache->createDistributed(); |
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} |
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} |
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/** |
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* @param string $configPrefix |
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*/ |
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private function addAccess($configPrefix) { |
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static $ocConfig; |
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static $fs; |
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static $log; |
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static $avatarM; |
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static $userMap; |
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static $groupMap; |
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static $db; |
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static $coreUserManager; |
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static $coreNotificationManager; |
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if ($fs === null) { |
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$ocConfig = \OC::$server->getConfig(); |
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$fs = new FilesystemHelper(); |
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$log = new LogWrapper(); |
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$avatarM = \OC::$server->getAvatarManager(); |
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$db = \OC::$server->getDatabaseConnection(); |
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$userMap = new UserMapping($db); |
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$groupMap = new GroupMapping($db); |
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$coreUserManager = \OC::$server->getUserManager(); |
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$coreNotificationManager = \OC::$server->getNotificationManager(); |
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} |
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$userManager = |
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new Manager($ocConfig, $fs, $log, $avatarM, new \OCP\Image(), $db, |
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$coreUserManager, $coreNotificationManager); |
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$connector = new Connection($this->ldap, $configPrefix); |
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$access = new Access($connector, $this->ldap, $userManager, new Helper($ocConfig), $ocConfig, $coreUserManager); |
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$access->setUserMapper($userMap); |
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$access->setGroupMapper($groupMap); |
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self::$accesses[$configPrefix] = $access; |
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} |
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/** |
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* @param string $configPrefix |
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* @return mixed |
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*/ |
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protected function getAccess($configPrefix) { |
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if (!isset(self::$accesses[$configPrefix])) { |
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$this->addAccess($configPrefix); |
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} |
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return self::$accesses[$configPrefix]; |
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} |
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/** |
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* @param string $uid |
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* @return string |
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*/ |
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protected function getUserCacheKey($uid) { |
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return 'user-' . $uid . '-lastSeenOn'; |
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} |
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/** |
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* @param string $gid |
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* @return string |
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*/ |
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protected function getGroupCacheKey($gid) { |
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return 'group-' . $gid . '-lastSeenOn'; |
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} |
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/** |
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* @param string $id |
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* @param string $method |
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* @param array $parameters |
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* @param bool $passOnWhen |
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* @return mixed |
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*/ |
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abstract protected function callOnLastSeenOn($id, $method, $parameters, $passOnWhen); |
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/** |
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* @param string $id |
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* @param string $method |
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* @param array $parameters |
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* @return mixed |
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*/ |
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abstract protected function walkBackends($id, $method, $parameters); |
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/** |
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* @param string $id |
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* @return Access |
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*/ |
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abstract public function getLDAPAccess($id); |
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abstract protected function activeBackends(): int; |
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protected function isSingleBackend(): bool { |
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if ($this->isSingleBackend === null) { |
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$this->isSingleBackend = $this->activeBackends() === 1; |
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} |
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return $this->isSingleBackend; |
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} |
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/** |
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* Takes care of the request to the User backend |
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* |
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* @param string $id |
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* @param string $method string, the method of the user backend that shall be called |
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* @param array $parameters an array of parameters to be passed |
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* @param bool $passOnWhen |
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* @return mixed, the result of the specified method |
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*/ |
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protected function handleRequest($id, $method, $parameters, $passOnWhen = false) { |
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if (!$this->isSingleBackend()) { |
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$result = $this->callOnLastSeenOn($id, $method, $parameters, $passOnWhen); |
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} |
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if (!isset($result) || $result === $passOnWhen) { |
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$result = $this->walkBackends($id, $method, $parameters); |
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} |
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return $result; |
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} |
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/** |
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* @param string|null $key |
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* @return string |
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*/ |
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private function getCacheKey($key) { |
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$prefix = 'LDAP-Proxy-'; |
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if ($key === null) { |
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return $prefix; |
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} |
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return $prefix . hash('sha256', $key); |
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} |
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/** |
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* @param string $key |
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* @return mixed|null |
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*/ |
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public function getFromCache($key) { |
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if ($this->cache === null) { |
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return null; |
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} |
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$key = $this->getCacheKey($key); |
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$value = $this->cache->get($key); |
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if ($value === null) { |
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return null; |
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} |
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return json_decode(base64_decode($value)); |
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} |
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/** |
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* @param string $key |
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* @param mixed $value |
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*/ |
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public function writeToCache($key, $value) { |
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if ($this->cache === null) { |
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return; |
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} |
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$key = $this->getCacheKey($key); |
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$value = base64_encode(json_encode($value)); |
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$this->cache->set($key, $value, 2592000); |
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} |
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public function clearCache() { |
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if ($this->cache === null) { |
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return; |
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} |
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$this->cache->clear($this->getCacheKey(null)); |
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} |
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} |
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nextcloud /
server
