Import Ruty

2024-03-11 00:58:34 +01:00
parent 34a31bb184
commit 985f1ab418
618 changed files with 225414 additions and 0 deletions
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+<?php
+
+/**
+ +-----------------------------------------------------------------------+
+ | This file is part of the Roundcube Webmail client                     |
+ |                                                                       |
+ | Copyright (C) The Roundcube Dev Team                                  |
+ | Copyright (C) Kolab Systems AG                                        |
+ |                                                                       |
+ | Licensed under the GNU General Public License version 3 or            |
+ | any later version with exceptions for skins & plugins.                |
+ | See the README file for a full license statement.                     |
+ |                                                                       |
+ | PURPOSE:                                                              |
+ |   Caching engine - APC                                                |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com>                        |
+ | Author: Aleksander Machniak <alec@alec.pl>                            |
+ +-----------------------------------------------------------------------+
+*/
+
+/**
+ * Interface implementation class for accessing APC cache
+ *
+ * @package    Framework
+ * @subpackage Cache
+ */
+class rcube_cache_apc extends rcube_cache
+{
+    /**
+     * Indicates if APC module is enabled and in a required version
+     *
+     * @var bool
+     */
+    protected $enabled;
+
+
+    /**
+     * {@inheritdoc}
+     */
+    public function __construct($userid, $prefix = '', $ttl = 0, $packed = true, $indexed = false)
+    {
+        parent::__construct($userid, $prefix, $ttl, $packed, $indexed);
+
+        $rcube = rcube::get_instance();
+
+        $this->type    = 'apc';
+        $this->enabled = function_exists('apc_exists'); // APC 3.1.4 required
+        $this->debug   = $rcube->config->get('apc_debug');
+    }
+
+    /**
+     * Remove cache records older than ttl
+     */
+    public function expunge()
+    {
+        // No need for GC, entries are expunged automatically
+    }
+
+    /**
+     * Remove expired records of all caches
+     */
+    public static function gc()
+    {
+        // No need for GC, entries are expunged automatically
+    }
+
+    /**
+     * Reads cache entry.
+     *
+     * @param string $key Cache internal key name
+     *
+     * @return mixed Cached value
+     */
+    protected function get_item($key)
+    {
+        if (!$this->enabled) {
+            return false;
+        }
+
+        $data = apc_fetch($key);
+
+        if ($this->debug) {
+            $this->debug('get', $key, $data);
+        }
+
+        return $data;
+    }
+
+    /**
+     * Adds entry into memcache/apc/redis DB.
+     *
+     * @param string $key  Cache internal key name
+     * @param mixed  $data Serialized cache data
+     *
+     * @param bool True on success, False on failure
+     */
+    protected function add_item($key, $data)
+    {
+        if (!$this->enabled) {
+            return false;
+        }
+
+        if (apc_exists($key)) {
+            apc_delete($key);
+        }
+
+        $result = apc_store($key, $data, $this->ttl);
+
+        if ($this->debug) {
+            $this->debug('set', $key, $data, $result);
+        }
+
+        return $result;
+    }
+
+    /**
+     * Deletes entry from memcache/apc/redis DB.
+     *
+     * @param string $key Cache internal key name
+     *
+     * @param bool True on success, False on failure
+     */
+    protected function delete_item($key)
+    {
+        if (!$this->enabled) {
+            return false;
+        }
+
+        $result = apc_delete($key);
+
+        if ($this->debug) {
+            $this->debug('delete', $key, null, $result);
+        }
+
+        return $result;
+    }
+}