124 lines
2.9 KiB
PHP
124 lines
2.9 KiB
PHP
<?php
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/**
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* SPDX-FileCopyrightText: 2024 Sascha Nitsch (grumpydeveloper) https://contentnation.net/@grumpydevelop
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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* @author Sascha Nitsch <grumpydevelop@contentnation.net>
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**/
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namespace Federator\Cache;
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/**
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* Caching class using redis
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*/
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class RedisCache implements Cache
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{
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/**
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* config data
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*
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* @var array<string, mixed> $config
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*/
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private $config;
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/**
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* connection to redis open flag
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*
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* @var bool $connected
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*/
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private $connected = false;
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/**
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* connection handle
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*
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* @var \Redis $redis
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*/
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private $redis;
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/**
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* constructor
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*/
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public function __construct()
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{
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$config = parse_ini_file('../rediscache.ini');
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if ($config !== false) {
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$this->config = $config;
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}
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}
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/**
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* connect to redis
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* @return void
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*/
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private function connect()
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{
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$this->redis = new \Redis();
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$this->redis->pconnect($this->config['host'], intval($this->config['port'], 10));
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// @phan-suppress-next-line PhanTypeMismatchArgumentInternalProbablyReal
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$this->redis->auth([$this->config['username'], $this->config['password']]);
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}
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/**
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* create key from session and user
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*
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* @param string $prefix prefix to create name spaces
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* @param string $_session session id
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* @param string $_user user/profile name
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* @return string key
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*/
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private static function createKey($prefix, $_session, $_user)
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{
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$key = $prefix . '_';
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$key .= md5($_session . $_user);
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return $key;
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}
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/**
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* get remote user by given session
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*
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* @param string $_session session id
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* @param string $_user user/profile name
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* @return \Federator\Data\User | false
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*/
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public function getRemoteUserBySession($_session, $_user)
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{
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if (!$this->connected) {
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$this->connect();
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}
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$key = self::createKey('u', $_session, $_user);
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$data = $this->redis->get($key);
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if ($data === false) {
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return false;
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}
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$user = \Federator\Data\User::createFromJson($data);
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return $user;
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}
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/**
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* save remote user by given session
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*
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* @param string $_session session id
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* @param string $_user user/profile name
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* @param \Federator\Data\User $user user data
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* @return void
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*/
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public function saveRemoteUserBySession($_session, $_user, $user)
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{
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$key = self::createKey('u', $_session, $_user);
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$serialized = $user->toJson();
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$this->redis->set($key, $serialized);
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}
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}
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namespace Federator;
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/**
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* Function to initialize plugin
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*
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* @param \Federator\Main $main main instance
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* @return void
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*/
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function rediscache_load($main)
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{
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$rc = new Cache\RedisCache();
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$main->setCache($rc);
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}
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