mirror of https://github.com/friendica/friendica
121 lines
2.9 KiB
PHP
121 lines
2.9 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2010-2021, the Friendica project
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program 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 as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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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
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica\Core\Session\Handler;
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use Friendica\Core\Cache\Capability\ICanCache;
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use Friendica\Core\Cache\Exception\CachePersistenceException;
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use Friendica\Core\Session;
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use Psr\Log\LoggerInterface;
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use SessionHandlerInterface;
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/**
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* SessionHandler using Friendica Cache
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*/
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class Cache implements SessionHandlerInterface
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{
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/** @var ICanCache */
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private $cache;
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/** @var LoggerInterface */
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private $logger;
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public function __construct(ICanCache $cache, LoggerInterface $logger)
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{
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$this->cache = $cache;
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$this->logger = $logger;
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}
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public function open($path, $name): bool
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{
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return true;
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}
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public function read($id)
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{
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if (empty($id)) {
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return '';
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}
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try {
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$data = $this->cache->get('session:' . $id);
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if (!empty($data)) {
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Session::$exists = true;
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return $data;
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}
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} catch (CachePersistenceException $exception) {
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$this->logger->warning('Cannot read session.'. ['id' => $id, 'exception' => $exception]);
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return '';
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}
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return '';
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}
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/**
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* Standard PHP session write callback
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*
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* This callback updates the stored session data and/or the expiration depending
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* on the case. Uses the Session::expire for existing session, 5 minutes
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* for newly created session.
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*
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* @param string $id Session ID with format: [a-z0-9]{26}
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* @param string $data Serialized session data
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*
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* @return bool Returns false if parameters are missing, true otherwise
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*/
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public function write($id, $data): bool
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{
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if (!$id) {
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return false;
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}
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if (!$data) {
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return $this->destroy($id);
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}
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try {
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return $this->cache->set('session:' . $id, $data, Session::$expire);
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} catch (CachePersistenceException $exception) {
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$this->logger->warning('Cannot write session', ['id' => $id, 'exception' => $exception]);
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return false;
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}
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}
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public function close(): bool
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{
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return true;
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}
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public function destroy($id): bool
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{
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try {
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return $this->cache->delete('session:' . $id);
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} catch (CachePersistenceException $exception) {
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$this->logger->warning('Cannot destroy session', ['id' => $id, 'exception' => $exception]);
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return false;
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}
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}
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public function gc($max_lifetime): bool
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{
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return true;
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}
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}
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