Updated pluglist

[gosa.git] / gosa-core / include / class_session.inc

diff --git a/gosa-core/include/class_session.inc b/gosa-core/include/class_session.inc
index 61154c79e042654eda35423f58a014941acc628c..4a98ad2dc6aa31bd2c67c050b05b3558ea58e707 100644 (file)
--- a/gosa-core/include/class_session.inc
+++ b/gosa-core/include/class_session.inc
@@ -1,24 +1,25 @@
 <?php
 /*
-   This code is part of GOsa (https://oss.gonicus.de/labs/gosa/)
-   Copyright (C) 2007 Fabian Hickert
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * This code is part of GOsa (http://www.gosa-project.org)
+ * Copyright (C) 2003-2008 GONICUS GmbH
+ *
+ * ID: $$Id$$
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-
 class session {
 
        public static function get_session_size()
@@ -33,25 +34,17 @@ class session {
 
        public static function is_set($name)
        {
-               session::log("Checked if element '".$name."' exists. Returned (".isset($_SESSION[$name]).")");
                return(isset($_SESSION[$name]));
        }
 
        public static function set($name,$value)
        {
-               session::log("Set '".$name."' to '".gettype($value)."'.");
                $_SESSION[$name] = $value;
        }
 
        public static function &get($name)
        {
-               $ret = FALSE;
-               if(session::is_set($name)){
-                       $ret = $_SESSION[$name];
-                       session::log("Returned '".gettype($ret)."' for '".$name."'.");
-               }else{
-                       session::log("Returned FALSE for '".$name."'. Element wasn't set.");
-               }
+               $ret = &$_SESSION[$name];
                return($ret);
        }
 
@@ -59,9 +52,6 @@ class session {
        {
                if(session::is_set($name)){
                        unset($_SESSION[$name]);
-                       session::log("Removed element '".$name."'.");
-               }else{
-                       session::log("Tried to remove element '".$name."'. Element wasn't set.");
                }
        }
 
@@ -83,12 +73,28 @@ class session {
                   the php.ini, so if you use debian, you must hardcode session.gc_maxlifetime in your php.ini */
                ini_set("session.gc_maxlifetime",24*60*60);
                session_start();
-               session::log("Session startet");
+
+    /* Check for changed browsers and bail out */
+    if (isset($_SESSION['HTTP_USER_AGENT']))
+    {
+      if ($_SESSION['HTTP_USER_AGENT'] !=  md5($_SERVER['HTTP_USER_AGENT'])) {
+        session_destroy();
+        session_start();
+      }
+    } else {
+      $_SESSION['HTTP_USER_AGENT'] = md5($_SERVER['HTTP_USER_AGENT']);
+    }
+
+    /* Regenerate ID to increase security */
+    if (!isset($_SESSION['started'])){
+      session_regenerate_id();
+      $_SESSION['started'] = true;
+    }
        }
 
        public static function destroy()
        {
-               session_destroy();
+               @session_destroy();
        }
 
        public static function set_lifetime($seconds = -1)
@@ -96,15 +102,10 @@ class session {
                echo "Not implemented yet";
        }
 
-       private static function log($str)
-       {
-#              echo $str."<br>";
-       }
-
        public static function &get_all()
        {
-               session::log("Returned complete session.");
-               return($_SESSION);
+               $ret = &$_SESSION;
+               return($ret);
        }
 }