From 7c2d30b2e106a23fe2ab295f7dc2e628e4d828bb Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Wed, 13 Aug 2008 07:39:10 -0400
Subject: [PATCH] #1485170: fixed splitter under Firefox3

---
 program/include/session.inc |   91 +++++++++++++++++++++++++++++++++------------
 1 files changed, 66 insertions(+), 25 deletions(-)

diff --git a/program/include/session.inc b/program/include/session.inc
index f10a2b3..ef8eb27 100644
--- a/program/include/session.inc
+++ b/program/include/session.inc
@@ -5,7 +5,7 @@
  | program/include/session.inc                                           |
  |                                                                       |
  | This file is part of the RoundCube Webmail client                     |
- | Copyright (C) 2005, RoundCube Dev, - Switzerland                      |
+ | Copyright (C) 2005-2007, RoundCube Dev. - Switzerland                 |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |
@@ -26,7 +26,6 @@
   }
 
 
-
 function sess_close()
   {
   return TRUE;
@@ -36,7 +35,10 @@
 // read session data
 function sess_read($key)
   {
-  global $DB, $SESS_CHANGED;
+  global $DB, $SESS_CHANGED, $SESS_CLIENT_IP;
+  
+  if ($DB->is_error())
+    return FALSE;
   
   $sql_result = $DB->query("SELECT vars, ip, ".$DB->unixtimestamp('changed')." AS changed
                             FROM ".get_table_name('session')."
@@ -45,7 +47,8 @@
 
   if ($sql_arr = $DB->fetch_assoc($sql_result))
     {
-    $SESS_CHANGED = mktime(); //$sql_arr['changed'];
+    $SESS_CHANGED = $sql_arr['changed'];
+    $SESS_CLIENT_IP = $sql_arr['ip'];
 
     if (strlen($sql_arr['vars']))
       return $sql_arr['vars'];
@@ -59,6 +62,9 @@
 function sess_write($key, $vars)
   {
   global $DB;
+  
+  if ($DB->is_error())
+    return FALSE;
 
   $sql_result = $DB->query("SELECT 1
                             FROM ".get_table_name('session')."
@@ -70,7 +76,7 @@
     session_decode($vars);
     $DB->query("UPDATE ".get_table_name('session')."
                 SET    vars=?,
-                       changed=now()
+                       changed=".$DB->now()."
                 WHERE  sess_id=?",
                 $vars,
                 $key);
@@ -79,12 +85,10 @@
     {
     $DB->query("INSERT INTO ".get_table_name('session')."
                 (sess_id, vars, ip, created, changed)
-                VALUES (?, ?, ?, now(), now())",
+                VALUES (?, ?, ?, ".$DB->now().", ".$DB->now().")",
                 $key,
                 $vars,
-                $_SERVER['REMOTE_ADDR']);
-                
-
+                (string)$_SERVER['REMOTE_ADDR']);
     }
 
   return TRUE;
@@ -94,18 +98,22 @@
 // handler for session_destroy()
 function sess_destroy($key)
   {
-  global $DB;
+  global $DB, $CONFIG;
   
-  // delete session entries in cache table
-  $DB->query("DELETE FROM ".get_table_name('cache')."
-              WHERE  session_id=?",
+  if ($DB->is_error())
+    return FALSE;
+
+  if ($CONFIG['enable_caching'])
+    {
+    // delete session entries in cache table
+    $DB->query("DELETE FROM ".get_table_name('cache')."
+              WHERE session_id=?",
               $key);
+    }
               
   $DB->query("DELETE FROM ".get_table_name('session')."
               WHERE sess_id=?",
               $key);
-
-  rcmail_clear_session_temp($key);
 
   return TRUE;
   }
@@ -114,38 +122,71 @@
 // garbage collecting function
 function sess_gc($maxlifetime)
   {
-  global $DB;
+  global $DB, $CONFIG;
+
+  if ($DB->is_error())
+    return FALSE;
 
   // get all expired sessions  
   $sql_result = $DB->query("SELECT sess_id
                             FROM ".get_table_name('session')."
-                            WHERE ".$DB->unixtimestamp('now()')."-".$DB->unixtimestamp('changed')." > ?",
+                            WHERE ".$DB->unixtimestamp($DB->now())."-".$DB->unixtimestamp('changed')." > ?",
                             $maxlifetime);
                                    
   $a_exp_sessions = array();
   while ($sql_arr = $DB->fetch_assoc($sql_result))
     $a_exp_sessions[] = $sql_arr['sess_id'];
 
-  
   if (sizeof($a_exp_sessions))
     {
-    // delete session cache records
-    $DB->query("DELETE FROM ".get_table_name('cache')."
-                WHERE  session_id IN ('".join("','", $a_exp_sessions)."')");
-                
+    if ($CONFIG['enable_caching'])
+      {
+        // delete session cache records
+	$DB->query("DELETE FROM ".get_table_name('cache')."
+                WHERE session_id IN ('".join("','", $a_exp_sessions)."')");
+      }
+                  
     // delete session records
     $DB->query("DELETE FROM ".get_table_name('session')."
                 WHERE sess_id IN ('".join("','", $a_exp_sessions)."')");
     }
 
-  // remove session specific temp dirs
-  foreach ($a_exp_sessions as $key)
-    rcmail_clear_session_temp($key);
+  // also run message cache GC
+  if ($CONFIG['enable_caching'])
+    rcmail_message_cache_gc();
+  rcmail_temp_gc();
 
   return TRUE;
   }
 
 
+function sess_regenerate_id()
+  {
+  $randlen = 32;
+  $randval = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+  $random = "";
+  for ($i=1; $i <= $randlen; $i++)
+    $random .= substr($randval, rand(0,(strlen($randval) - 1)), 1);
+
+  // use md5 value for id or remove capitals from string $randval
+  $random = md5($random);
+
+  // delete old session record
+  sess_destroy(session_id());
+
+  session_id($random);
+
+  $cookie    = session_get_cookie_params();
+  $_lifetime = $cookie['lifetime'] ? time() + $cookie['lifetime'] : 0;
+
+  setcookie(session_name(), '', time() - 3600);
+  setcookie(session_name(), $random, $_lifetime, $cookie['path'],
+    $cookie['domain']);
+
+  return true;
+  }
+
+
 // set custom functions for PHP session management
 session_set_save_handler('sess_open', 'sess_close', 'sess_read', 'sess_write', 'sess_destroy', 'sess_gc');
 

--
Gitblit v1.9.1