1<?php
2
3declare(strict_types=1);
4/**
5 * SimplePie
6 *
7 * A PHP-Based RSS and Atom Feed Framework.
8 * Takes the hard work out of managing a complete RSS/Atom solution.
9 *
10 * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
11 * All rights reserved.
12 *
13 * Redistribution and use in source and binary forms, with or without modification, are
14 * permitted provided that the following conditions are met:
15 *
16 * 	* Redistributions of source code must retain the above copyright notice, this list of
17 * 	  conditions and the following disclaimer.
18 *
19 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
20 * 	  of conditions and the following disclaimer in the documentation and/or other materials
21 * 	  provided with the distribution.
22 *
23 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
24 * 	  to endorse or promote products derived from this software without specific prior
25 * 	  written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
28 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
29 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
30 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
32 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
34 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 *
37 * @package SimplePie
38 * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
39 * @author Ryan Parman
40 * @author Sam Sneddon
41 * @author Ryan McCue
42 * @link http://simplepie.org/ SimplePie
43 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
44 */
45
46namespace SimplePie\Cache;
47
48use Redis as NativeRedis;
49
50/**
51 * Caches data to redis
52 *
53 * Registered for URLs with the "redis" protocol
54 *
55 * For example, `redis://localhost:6379/?timeout=3600&prefix=sp_&dbIndex=0` will
56 * connect to redis on `localhost` on port 6379. All tables will be
57 * prefixed with `simple_primary-` and data will expire after 3600 seconds
58 *
59 * @package SimplePie
60 * @subpackage Caching
61 * @uses Redis
62 * @deprecated since SimplePie 1.8.0, use implementation of "Psr\SimpleCache\CacheInterface" instead
63 */
64class Redis implements Base
65{
66    /**
67     * Redis instance
68     *
69     * @var NativeRedis
70     */
71    protected $cache;
72
73    /**
74     * Options
75     *
76     * @var array
77     */
78    protected $options;
79
80    /**
81     * Cache name
82     *
83     * @var string
84     */
85    protected $name;
86
87    /**
88     * Create a new cache object
89     *
90     * @param string $location Location string (from SimplePie::$cache_location)
91     * @param string $name Unique ID for the cache
92     * @param Base::TYPE_FEED|Base::TYPE_IMAGE $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
93     */
94    public function __construct($location, $name, $options = null)
95    {
96        //$this->cache = \flow\simple\cache\Redis::getRedisClientInstance();
97        $parsed = \SimplePie\Cache::parse_URL($location);
98        $redis = new NativeRedis();
99        $redis->connect($parsed['host'], $parsed['port']);
100        if (isset($parsed['pass'])) {
101            $redis->auth($parsed['pass']);
102        }
103        if (isset($parsed['path'])) {
104            $redis->select((int)substr($parsed['path'], 1));
105        }
106        $this->cache = $redis;
107
108        if (!is_null($options) && is_array($options)) {
109            $this->options = $options;
110        } else {
111            $this->options = [
112                'prefix' => 'rss:simple_primary:',
113                'expire' => 0,
114            ];
115        }
116
117        $this->name = $this->options['prefix'] . $name;
118    }
119
120    /**
121     * @param NativeRedis $cache
122     */
123    public function setRedisClient(NativeRedis $cache)
124    {
125        $this->cache = $cache;
126    }
127
128    /**
129     * Save data to the cache
130     *
131     * @param array|\SimplePie\SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
132     * @return bool Successfulness
133     */
134    public function save($data)
135    {
136        if ($data instanceof \SimplePie\SimplePie) {
137            $data = $data->data;
138        }
139        $response = $this->cache->set($this->name, serialize($data));
140        if ($this->options['expire']) {
141            $this->cache->expire($this->name, $this->options['expire']);
142        }
143
144        return $response;
145    }
146
147    /**
148     * Retrieve the data saved to the cache
149     *
150     * @return array Data for SimplePie::$data
151     */
152    public function load()
153    {
154        $data = $this->cache->get($this->name);
155
156        if ($data !== false) {
157            return unserialize($data);
158        }
159        return false;
160    }
161
162    /**
163     * Retrieve the last modified time for the cache
164     *
165     * @return int Timestamp
166     */
167    public function mtime()
168    {
169        $data = $this->cache->get($this->name);
170
171        if ($data !== false) {
172            return time();
173        }
174
175        return false;
176    }
177
178    /**
179     * Set the last modified time to the current time
180     *
181     * @return bool Success status
182     */
183    public function touch()
184    {
185        $data = $this->cache->get($this->name);
186
187        if ($data !== false) {
188            $return = $this->cache->set($this->name, $data);
189            if ($this->options['expire']) {
190                return $this->cache->expire($this->name, $this->options['expire']);
191            }
192            return $return;
193        }
194
195        return false;
196    }
197
198    /**
199     * Remove the cache
200     *
201     * @return bool Success status
202     */
203    public function unlink()
204    {
205        return $this->cache->set($this->name, null);
206    }
207}
208
209class_alias('SimplePie\Cache\Redis', 'SimplePie_Cache_Redis');
210