mirror of https://github.com/friendica/friendica
113 lines
2.6 KiB
PHP
113 lines
2.6 KiB
PHP
<?php
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namespace Friendica\Core\Session\Handler;
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use Friendica\Core\Session;
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use Friendica\Database\Database as DBA;
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use Psr\Log\LoggerInterface;
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use SessionHandlerInterface;
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/**
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* SessionHandler using database
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*
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* @author Hypolite Petovan <hypolite@mrpetovan.com>
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*/
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final class Database implements SessionHandlerInterface
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{
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/** @var DBA */
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private $dba;
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/** @var LoggerInterface */
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private $logger;
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/** @var array The $_SERVER variable */
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private $server;
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/**
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* DatabaseSessionHandler constructor.
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*
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* @param DBA $dba
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* @param LoggerInterface $logger
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* @param array $server
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*/
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public function __construct(DBA $dba, LoggerInterface $logger, array $server)
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{
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$this->dba = $dba;
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$this->logger = $logger;
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$this->server = $server;
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}
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public function open($save_path, $session_name)
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{
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return true;
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}
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public function read($session_id)
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{
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if (empty($session_id)) {
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return '';
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}
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$session = $this->dba->selectFirst('session', ['data'], ['sid' => $session_id]);
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if ($this->dba->isResult($session)) {
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Session::$exists = true;
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return $session['data'];
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}
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$this->logger->notice('no data for session', ['session_id' => $session_id, 'uri' => $this->server['REQUEST_URI'] ?? '']);
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return '';
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}
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/**
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* @brief Standard PHP session write callback
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*
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* This callback updates the DB-stored session data and/or the expiration depending
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* on the case. Uses the Session::expire global for existing session, 5 minutes
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* for newly created session.
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*
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* @param string $session_id Session ID with format: [a-z0-9]{26}
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* @param string $session_data Serialized session data
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*
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* @return boolean Returns false if parameters are missing, true otherwise
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* @throws \Exception
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*/
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public function write($session_id, $session_data)
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{
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if (!$session_id) {
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return false;
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}
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if (!$session_data) {
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return true;
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}
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$expire = time() + Session::$expire;
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$default_expire = time() + 300;
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if (Session::$exists) {
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$fields = ['data' => $session_data, 'expire' => $expire];
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$condition = ["`sid` = ? AND (`data` != ? OR `expire` != ?)", $session_id, $session_data, $expire];
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$this->dba->update('session', $fields, $condition);
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} else {
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$fields = ['sid' => $session_id, 'expire' => $default_expire, 'data' => $session_data];
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$this->dba->insert('session', $fields);
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}
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return true;
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}
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public function close()
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{
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return true;
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}
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public function destroy($id)
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{
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return $this->dba->delete('session', ['sid' => $id]);
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}
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public function gc($maxlifetime)
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{
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return $this->dba->delete('session', ["`expire` < ?", time()]);
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}
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}
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