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authorBharat Mediratta <bharat@menalto.com>2009-05-27 15:11:53 -0700
committerBharat Mediratta <bharat@menalto.com>2009-05-27 15:11:53 -0700
commit12fe58d997d2066dc362fd393a18b4e5da190513 (patch)
tree3ad8e5afb77829e1541ec96d86785760d65c04ac /system/libraries/drivers/Session/Cache.php
parent00f47d4ddddcd1902db817018dd79ac01bcc8e82 (diff)
Rename 'kohana' to 'system' to conform to the Kohana filesystem layout. I'm comfortable with us not clearly drawing the distinction about the fact that it's Kohana.
Diffstat (limited to 'system/libraries/drivers/Session/Cache.php')
-rw-r--r--system/libraries/drivers/Session/Cache.php105
1 files changed, 105 insertions, 0 deletions
diff --git a/system/libraries/drivers/Session/Cache.php b/system/libraries/drivers/Session/Cache.php
new file mode 100644
index 00000000..7221c9f2
--- /dev/null
+++ b/system/libraries/drivers/Session/Cache.php
@@ -0,0 +1,105 @@
+<?php defined('SYSPATH') OR die('No direct access allowed.');
+/**
+ * Session cache driver.
+ *
+ * Cache library config goes in the session.storage config entry:
+ * $config['storage'] = array(
+ * 'driver' => 'apc',
+ * 'requests' => 10000
+ * );
+ * Lifetime does not need to be set as it is
+ * overridden by the session expiration setting.
+ *
+ * $Id: Cache.php 3769 2008-12-15 00:48:56Z zombor $
+ *
+ * @package Core
+ * @author Kohana Team
+ * @copyright (c) 2007-2008 Kohana Team
+ * @license http://kohanaphp.com/license.html
+ */
+class Session_Cache_Driver implements Session_Driver {
+
+ protected $cache;
+ protected $encrypt;
+
+ public function __construct()
+ {
+ // Load Encrypt library
+ if (Kohana::config('session.encryption'))
+ {
+ $this->encrypt = new Encrypt;
+ }
+
+ Kohana::log('debug', 'Session Cache Driver Initialized');
+ }
+
+ public function open($path, $name)
+ {
+ $config = Kohana::config('session.storage');
+
+ if (empty($config))
+ {
+ // Load the default group
+ $config = Kohana::config('cache.default');
+ }
+ elseif (is_string($config))
+ {
+ $name = $config;
+
+ // Test the config group name
+ if (($config = Kohana::config('cache.'.$config)) === NULL)
+ throw new Kohana_Exception('cache.undefined_group', $name);
+ }
+
+ $config['lifetime'] = (Kohana::config('session.expiration') == 0) ? 86400 : Kohana::config('session.expiration');
+ $this->cache = new Cache($config);
+
+ return is_object($this->cache);
+ }
+
+ public function close()
+ {
+ return TRUE;
+ }
+
+ public function read($id)
+ {
+ $id = 'session_'.$id;
+ if ($data = $this->cache->get($id))
+ {
+ return Kohana::config('session.encryption') ? $this->encrypt->decode($data) : $data;
+ }
+
+ // Return value must be string, NOT a boolean
+ return '';
+ }
+
+ public function write($id, $data)
+ {
+ $id = 'session_'.$id;
+ $data = Kohana::config('session.encryption') ? $this->encrypt->encode($data) : $data;
+
+ return $this->cache->set($id, $data);
+ }
+
+ public function destroy($id)
+ {
+ $id = 'session_'.$id;
+ return $this->cache->delete($id);
+ }
+
+ public function regenerate()
+ {
+ session_regenerate_id(TRUE);
+
+ // Return new session id
+ return session_id();
+ }
+
+ public function gc($maxlifetime)
+ {
+ // Just return, caches are automatically cleaned up
+ return TRUE;
+ }
+
+} // End Session Cache Driver