--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/program/lib/Roundcube/rcube_session_php.php	Thu Jan 04 15:52:31 2018 -0500
@@ -0,0 +1,76 @@
+<?php
+
+/**
+ +-----------------------------------------------------------------------+
+ | This file is part of the Roundcube Webmail client                     |
+ | Copyright (C) 2005-2014, The Roundcube Dev Team                       |
+ | Copyright (C) 2011, 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:                                                              |
+ |   Provide database supported session management                       |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com>                        |
+ | Author: Aleksander Machniak <alec@alec.pl>                            |
+ | Author: Cor Bosman <cor@roundcu.be>                                   |
+ +-----------------------------------------------------------------------+
+*/
+
+/**
+ * Class to provide native php session storage
+ *
+ * @package    Framework
+ * @subpackage Core
+ * @author     Thomas Bruederli <roundcube@gmail.com>
+ * @author     Aleksander Machniak <alec@alec.pl>
+ * @author     Cor Bosman <cor@roundcu.be>
+ */
+class rcube_session_php extends rcube_session {
+
+    /**
+     * native php sessions don't need a save handler
+     * we do need to define abstract function implementations but they are not used.
+     */
+
+    public function open($save_path, $session_name) {}
+    public function close() {}
+    public function destroy($key) {}
+    public function read($key) {}
+    public function write($key, $vars) {}
+    public function update($key, $newvars, $oldvars) {}
+
+    /**
+     * @param Object $config
+     */
+    public function __construct($config)
+    {
+        parent::__construct($config);
+    }
+
+    /**
+     * Wrapper for session_write_close()
+     */
+    public function write_close()
+    {
+        $_SESSION['__IP'] = $this->ip;
+        $_SESSION['__MTIME'] = time();
+
+        parent::write_close();
+    }
+
+    /**
+     * Wrapper for session_start()
+     */
+    public function start()
+    {
+        parent::start();
+
+        $this->key     = session_id();
+        $this->ip      = $_SESSION['__IP'];
+        $this->changed = $_SESSION['__MTIME'];
+
+    }
+}