Session management is now part of Phraseanet configuration

lib/Alchemy/Phrasea/Utilities/RedisSessionHandler.php

@@ -0,0 +1,101 @@
+<?php
+
+/*
+ * This file has been written by Markus Bachmann and released under the MIT
+ * license.
+ */
+
+namespace Alchemy\Phrasea\Utilities;
+
+/**
+ * RedisSessionHandler
+ *
+ * @author Markus Bachmann <markus.bachmann@bachi.biz>
+ */
+class RedisSessionHandler implements \SessionHandlerInterface
+{
+    /**
+     * @var \Redis
+     */
+    private $redis;
+
+    /**
+     * @var integer
+     */
+    private $lifetime;
+
+    /**
+     * @var string Key prefix for shared environments.
+     */
+    private $prefix;
+
+    /**
+     * Constructor
+     *
+     * @param \Redis $redis     The redis instance
+     * @param array      $options   An associative array of Memcached options
+     *
+     * @throws \InvalidArgumentException When unsupported options are passed
+     */
+    public function __construct(\Redis $redis, array $options = array())
+    {
+        $this->redis = $redis;
+
+        if ($diff = array_diff(array_keys($options), array('prefix', 'expiretime'))) {
+            throw new \InvalidArgumentException(sprintf(
+                'The following options are not supported "%s"', implode(', ', $diff)
+            ));
+        }
+
+        $this->lifetime = isset($options['expiretime']) ? (int) $options['expiretime'] : 86400;
+        $this->prefix = isset($options['prefix']) ? $options['prefix'] : 'sf2s';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function open($savePath, $sessionName)
+    {
+        return true;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function read($sessionId)
+    {
+        return $this->redis->get($this->prefix.$sessionId) ?: '';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function write($sessionId, $data)
+    {
+        return $this->redis->setex($this->prefix.$sessionId, $this->lifetime, $data);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function destroy($sessionId)
+    {
+        return 1 === $this->redis->delete($this->prefix.$sessionId);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function gc($lifetime)
+    {
+        return true;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function close()
+    {
+        return true;
+    }
+}