<?php

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// SPDX-FileCopyrightText: 2004-2023 Ryan Parman, Sam Sneddon, Ryan McCue

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// SPDX-FileCopyrightText: 2015 Jan Kozak <galvani78@gmail.com>

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// SPDX-License-Identifier: BSD-3-Clause

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declare(strict_types=1);

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namespace SimplePie\Cache;

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use Redis as NativeRedis;

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/**

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* Caches data to redis

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*

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* Registered for URLs with the "redis" protocol

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*

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* For example, `redis://localhost:6379/?timeout=3600&prefix=sp_&dbIndex=0` will

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* connect to redis on `localhost` on port 6379. All tables will be

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* prefixed with `simple_primary-` and data will expire after 3600 seconds

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*

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* @uses Redis

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* @deprecated since SimplePie 1.8.0, use implementation of "Psr\SimpleCache\CacheInterface" instead

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*/

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class Redis implements Base

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{

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/**

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* Redis instance

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*

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* @var NativeRedis

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*/

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protected $cache;

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/**

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* Options

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*

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* @var array<string, mixed>

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*/

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protected $options;

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/**

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* Cache name

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*

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* @var string

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*/

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protected $name;

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/**

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* Create a new cache object

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*

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* @param string $location Location string (from SimplePie::$cache_location)

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* @param string $name Unique ID for the cache

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* @param Base::TYPE_FEED|Base::TYPE_IMAGE|array<string, mixed>|null $options Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data

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*/

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public function __construct(string $location, string $name, $options = null)

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{

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//$this->cache = \flow\simple\cache\Redis::getRedisClientInstance();

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$parsed = \SimplePie\Cache::parse_URL($location);

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$redis = new NativeRedis();

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$redis->connect($parsed['host'], $parsed['port']);

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if (isset($parsed['pass'])) {

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$redis->auth($parsed['pass']);

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}

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if (isset($parsed['path'])) {

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$redis->select((int)substr($parsed['path'], 1));

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}

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$this->cache = $redis;

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if (!is_null($options) && is_array($options)) {

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$this->options = $options;

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} else {

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$this->options = [

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'prefix' => 'rss:simple_primary:',

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'expire' => 0,

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];

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}

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$this->name = $this->options['prefix'] . $name;

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}

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/**

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* @param NativeRedis $cache

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* @return void

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*/

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public function setRedisClient(NativeRedis $cache)

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{

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$this->cache = $cache;

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}

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/**

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* Save data to the cache

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*

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* @param array<mixed>|\SimplePie\SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property

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* @return bool Successfulness

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*/

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public function save($data)

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{

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if ($data instanceof \SimplePie\SimplePie) {

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$data = $data->data;

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}

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$response = $this->cache->set($this->name, serialize($data));

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if ($this->options['expire']) {

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$this->cache->expire($this->name, $this->options['expire']);

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}

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return $response;

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}

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/**

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* Retrieve the data saved to the cache

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*

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* @return array<mixed>|false Data for SimplePie::$data

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*/

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public function load()

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{

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$data = $this->cache->get($this->name);

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if ($data !== false) {

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return unserialize($data);

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}

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return false;

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}

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/**

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* Retrieve the last modified time for the cache

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*

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* @return int|false Timestamp

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*/

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public function mtime()

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{

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$data = $this->cache->get($this->name);

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if ($data !== false) {

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return time();

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}

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return false;

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}

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/**

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* Set the last modified time to the current time

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*

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* @return bool Success status

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*/

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public function touch()

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{

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$data = $this->cache->get($this->name);

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if ($data !== false) {

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$return = $this->cache->set($this->name, $data);

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if ($this->options['expire']) {

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return $this->cache->expire($this->name, $this->options['expire']);

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}

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return $return;

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}

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return false;

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}

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/**

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* Remove the cache

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*

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* @return bool Success status

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*/

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public function unlink()

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{

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return $this->cache->set($this->name, null);

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}

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}

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class_alias('SimplePie\Cache\Redis', 'SimplePie_Cache_Redis');

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