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<?php
// SPDX-FileCopyrightText: 2004-2023 Ryan Parman, Sam Sneddon, Ryan McCue
// SPDX-FileCopyrightText: 2015 Jan Kozak <[email protected]>
// SPDX-License-Identifier: BSD-3-Clause
declare(strict_types=1);
namespace SimplePie\Cache;
use Redis as NativeRedis;
/**
* Caches data to redis
*
* Registered for URLs with the "redis" protocol
*
* For example, `redis://localhost:6379/?timeout=3600&prefix=sp_&dbIndex=0` will
* connect to redis on `localhost` on port 6379. All tables will be
* prefixed with `simple_primary-` and data will expire after 3600 seconds
*
* @uses Redis
* @deprecated since SimplePie 1.8.0, use implementation of "Psr\SimpleCache\CacheInterface" instead
*/
class Redis implements Base
{
/**
* Redis instance
*
* @var NativeRedis
*/
protected $cache;
/**
* Options
*
* @var array<string, mixed>
*/
protected $options;
/**
* Cache name
*
* @var string
*/
protected $name;
/**
* Create a new cache object
*
* @param string $location Location string (from SimplePie::$cache_location)
* @param string $name Unique ID for the cache
* @param Base::TYPE_FEED|Base::TYPE_IMAGE|array<string, mixed>|null $options Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
*/
public function __construct(string $location, string $name, $options = null)
{
//$this->cache = \flow\simple\cache\Redis::getRedisClientInstance();
$parsed = \SimplePie\Cache::parse_URL($location);
$redis = new NativeRedis();
$redis->connect($parsed['host'], $parsed['port']);
if (isset($parsed['pass'])) {
$redis->auth($parsed['pass']);
}
if (isset($parsed['path'])) {
$redis->select((int)substr($parsed['path'], 1));
}
$this->cache = $redis;
if (!is_null($options) && is_array($options)) {
$this->options = $options;
} else {
$this->options = [
'prefix' => 'rss:simple_primary:',
'expire' => 0,
];
}
$this->name = $this->options['prefix'] . $name;
}
/**
* @param NativeRedis $cache
* @return void
*/
public function setRedisClient(NativeRedis $cache)
{
$this->cache = $cache;
}
/**
* Save data to the cache
*
* @param array<mixed>|\SimplePie\SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
* @return bool Successfulness
*/
public function save($data)
{
if ($data instanceof \SimplePie\SimplePie) {
$data = $data->data;
}
$response = $this->cache->set($this->name, serialize($data));
if ($this->options['expire']) {
$this->cache->expire($this->name, $this->options['expire']);
}
return $response;
}
/**
* Retrieve the data saved to the cache
*
* @return array<mixed>|false Data for SimplePie::$data
*/
public function load()
{
$data = $this->cache->get($this->name);
if ($data !== false) {
return unserialize($data);
}
return false;
}
/**
* Retrieve the last modified time for the cache
*
* @return int|false Timestamp
*/
public function mtime()
{
$data = $this->cache->get($this->name);
if ($data !== false) {
return time();
}
return false;
}
/**
* Set the last modified time to the current time
*
* @return bool Success status
*/
public function touch()
{
$data = $this->cache->get($this->name);
if ($data !== false) {
$return = $this->cache->set($this->name, $data);
if ($this->options['expire']) {
return $this->cache->expire($this->name, $this->options['expire']);
}
return $return;
}
return false;
}
/**
* Remove the cache
*
* @return bool Success status
*/
public function unlink()
{
return $this->cache->set($this->name, null);
}
}
class_alias('SimplePie\Cache\Redis', 'SimplePie_Cache_Redis');
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