<?php
/**
* SimplePie
*
* A PHP-Based RSS and Atom Feed Framework.
* Takes the hard work out of managing a complete RSS/Atom solution.
*
* Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* * Neither the name of the SimplePie Team nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
* AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @package SimplePie
* @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
* @author Ryan Parman
* @author Sam Sneddon
* @author Ryan McCue
* @link http://simplepie.org/ SimplePie
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
*/
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
*
* @package SimplePie
* @subpackage Caching
* @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
*/
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 $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
*/
public function __construct($location, $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
*/
public function setRedisClient(NativeRedis $cache)
{
$this->cache = $cache;
}
/**
* Save data to the cache
*
* @param array|\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 $response;
}
/**
* Retrieve the data saved to the cache
*
* @return array Data for SimplePie::$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 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');