From c294eaa3f27ca5f38101eb4a1692111ac0ee82f8 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Tue, 8 Mar 2011 08:40:47 +0000
Subject: - Performance improvement: Remove redundant DELETE query (for old
 session deletion) on login

---
 CHANGELOG                         |  1 +
 index.php                         |  6 ++++--
 program/include/rcube_session.php | 12 ++++++------
 3 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index 1336e96fd..8ea4aed53 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,7 @@
 CHANGELOG Roundcube Webmail
 ===========================
 
+- Remove redundant DELETE query (for old session deletion) on login
 - Get around unreliable rand() and mt_rand() in session ID generation (#1486281)
 - Fix some emails are not shown using Cyrus IMAP (#1487820)
 - Fix handling of mime-encoded words with non-integral number of octets in a word (#1487801)
diff --git a/index.php b/index.php
index 1b1522683..6ebc48e3d 100644
--- a/index.php
+++ b/index.php
@@ -98,7 +98,9 @@ if ($RCMAIL->task == 'login' && $RCMAIL->action == 'login') {
         $RCMAIL->login($auth['user'], $auth['pass'], $auth['host'])) {
     // create new session ID
     $RCMAIL->session->remove('temp');
-    $RCMAIL->session->regenerate_id();
+    // regenerate the session, don't destroy the current session
+    // it was destroyed already by $RCMAIL->kill_session() above
+    $RCMAIL->session->regenerate_id(false);
 
     // send auth cookie if necessary
     $RCMAIL->session->set_auth_cookie();
@@ -110,7 +112,7 @@ if ($RCMAIL->task == 'login' && $RCMAIL->action == 'login') {
     $query = array();
     if ($url = get_input_value('_url', RCUBE_INPUT_POST)) {
       parse_str($url, $query);
-      
+
       // prevent endless looping on login page
       if ($query['_task'] == 'login')
         unset($query['_task']);
diff --git a/program/include/rcube_session.php b/program/include/rcube_session.php
index 0fc444256..1fa331753 100644
--- a/program/include/rcube_session.php
+++ b/program/include/rcube_session.php
@@ -205,15 +205,15 @@ class rcube_session
 
   /**
    * Generate and set new session id
+   *
+   * @param boolean $destroy If enabled the current session will be destroyed
    */
-  public function regenerate_id()
+  public function regenerate_id($destroy=true)
   {
-    // delete old session record
-    $this->destroy(session_id());
-    $this->vars = false;
+    session_regenerate_id($destroy);
 
-    session_regenerate_id(false);
-    $this->key = session_id();
+    $this->vars = false;
+    $this->key  = session_id();
 
     return true;
   }
-- 
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