From e48f8945b32ab5b67f1cdeb53a37d3d196e31e4d Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Fri, 20 May 2016 05:19:01 -0400
Subject: [PATCH] Fix bug where message list columns could be in wrong order after column drag-n-drop and list sorting

---
 plugins/http_authentication/http_authentication.php |   33 ++++++++++++++++++++++++---------
 1 files changed, 24 insertions(+), 9 deletions(-)

diff --git a/plugins/http_authentication/http_authentication.php b/plugins/http_authentication/http_authentication.php
index 3826138..39d7015 100644
--- a/plugins/http_authentication/http_authentication.php
+++ b/plugins/http_authentication/http_authentication.php
@@ -7,7 +7,7 @@
  *
  * Configuration:
  * // redirect the client to this URL after logout. This page is then responsible to clear HTTP auth
- * $rcmail_config['logout_url'] = 'http://server.tld/logout.html';
+ * $config['logout_url'] = 'http://server.tld/logout.html';
  *
  * See logout.html (in this directory) for an example how HTTP auth can be cleared.
  *
@@ -19,26 +19,30 @@
  */
 class http_authentication extends rcube_plugin
 {
+    private $redirect_query;
 
     function init()
     {
         $this->add_hook('startup', array($this, 'startup'));
         $this->add_hook('authenticate', array($this, 'authenticate'));
         $this->add_hook('logout_after', array($this, 'logout'));
+        $this->add_hook('login_after', array($this, 'login'));
     }
 
     function startup($args)
     {
-        if (!empty($_SERVER['PHP_AUTH_USER']) && !empty($_SERVER['PHP_AUTH_PW'])) {
+        if (!empty($_SERVER['PHP_AUTH_USER'])) {
             $rcmail = rcmail::get_instance();
             $rcmail->add_shutdown_function(array('http_authentication', 'shutdown'));
 
             // handle login action
-            if (empty($args['action']) && empty($_SESSION['user_id'])) {
-                $args['action'] = 'login';
+            if (empty($_SESSION['user_id'])) {
+                $args['action']         = 'login';
+                $this->redirect_query   = $_SERVER['QUERY_STRING'];
             }
             // Set user password in session (see shutdown() method for more info)
-            else if (!empty($_SESSION['user_id']) && empty($_SESION['password'])) {
+            else if (!empty($_SESSION['user_id']) && empty($_SESSION['password'])
+                     && !empty($_SERVER['PHP_AUTH_PW'])) {
                 $_SESSION['password'] = $rcmail->encrypt($_SERVER['PHP_AUTH_PW']);
             }
         }
@@ -52,8 +56,8 @@
         $this->load_config();
 
         $host = rcmail::get_instance()->config->get('http_authentication_host');
-        if (is_string($host) && trim($host) !== '')
-            $args['host'] = rcube_idn_to_ascii(rcube_parse_host($host));
+        if (is_string($host) && trim($host) !== '' && empty($args['host']))
+            $args['host'] = rcube_utils::idn_to_ascii(rcube_utils::parse_host($host));
 
         // Allow entering other user data in login form,
         // e.g. after log out (#1487953)
@@ -61,9 +65,10 @@
             return $args;
         }
 
-        if (!empty($_SERVER['PHP_AUTH_USER']) && !empty($_SERVER['PHP_AUTH_PW'])) {
+        if (!empty($_SERVER['PHP_AUTH_USER'])) {
             $args['user'] = $_SERVER['PHP_AUTH_USER'];
-            $args['pass'] = $_SERVER['PHP_AUTH_PW'];
+            if (!empty($_SERVER['PHP_AUTH_PW']))
+                $args['pass'] = $_SERVER['PHP_AUTH_PW'];
         }
 
         $args['cookiecheck'] = false;
@@ -88,5 +93,15 @@
         // We'll set it back on startup (#1486553)
         rcmail::get_instance()->session->remove('password');
     }
+    
+    function login($args)
+    {
+        // Redirect to the previous QUERY_STRING
+        if($this->redirect_query){
+            header('Location: ./?' . $this->redirect_query);
+            exit;
+        }
+        return $args;
+    }
 }
 

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