New upstream release

[roundcube.git] / index.php

diff --git a/index.php b/index.php
index 57bcc64ce06d4fed1850944a7914e76654c73e47..883faa6d659cf321c490d5b3e18d0f2f50d79b25 100644 (file)
--- a/index.php
+++ b/index.php
@@ -2,9 +2,9 @@
 /*
  +-------------------------------------------------------------------------+
  | Roundcube Webmail IMAP Client                                           |
- | Version 0.5                                                             |
+ | Version 0.5.1                                                           |
  |                                                                         |
- | Copyright (C) 2005-2010, Roundcube Dev. - Switzerland                   |
+ | Copyright (C) 2005-2011, Roundcube Dev. - Switzerland                   |
  |                                                                         |
  | This program is free software; you can redistribute it and/or modify    |
  | it under the terms of the GNU General Public License version 2          |
@@ -23,7 +23,7 @@
  | Author: Thomas Bruederli <roundcube@gmail.com>                          |
  +-------------------------------------------------------------------------+
 
- $Id: index.php 4408 2011-01-12 15:54:35Z thomasb $
+ $Id: index.php 4509 2011-02-09 10:51:50Z thomasb $
 
 */
 
@@ -75,6 +75,8 @@ $RCMAIL->action = $startup['action'];
 
 // try to log in
 if ($RCMAIL->task == 'login' && $RCMAIL->action == 'login') {
+  $request_valid = $_SESSION['temp'] && $RCMAIL->check_request(RCUBE_INPUT_POST, 'login');
+
   // purge the session in case of new login when a session already exists 
   $RCMAIL->kill_session();
 
@@ -84,13 +86,14 @@ if ($RCMAIL->task == 'login' && $RCMAIL->action == 'login') {
     'pass' => get_input_value('_pass', RCUBE_INPUT_POST, true,
        $RCMAIL->config->get('password_charset', 'ISO-8859-1')),
     'cookiecheck' => true,
+    'valid' => $request_valid,
   ));
 
   // check if client supports cookies
   if ($auth['cookiecheck'] && empty($_COOKIE)) {
     $OUTPUT->show_message("cookiesdisabled", 'warning');
   }
-  else if ($_SESSION['temp'] && !$auth['abort'] &&
+  else if ($auth['valid'] && !$auth['abort'] &&
         !empty($auth['host']) && !empty($auth['user']) &&
         $RCMAIL->login($auth['user'], $auth['pass'], $auth['host'])) {
     // create new session ID
@@ -104,12 +107,17 @@ if ($RCMAIL->task == 'login' && $RCMAIL->action == 'login') {
     rcmail_log_login();
 
     // restore original request parameters
-    $query = array('_task' => 'mail');
-    if ($url = get_input_value('_url', RCUBE_INPUT_POST))
+    $query = array();
+    if ($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']);
+    }
 
     // allow plugins to control the redirect url after login success
-    $redir = $RCMAIL->plugins->exec_hook('login_after', $query);
+    $redir = $RCMAIL->plugins->exec_hook('login_after', $query + array('_task' => 'mail'));
     unset($redir['abort']);
 
     // send redirect
@@ -118,15 +126,15 @@ if ($RCMAIL->task == 'login' && $RCMAIL->action == 'login') {
   else {
     $error_code = is_object($IMAP) ? $IMAP->get_error_code() : -1;
 
-    $OUTPUT->show_message($error_code < -1 ? 'imaperror' : 'loginfailed', 'warning');
+    $OUTPUT->show_message($error_code < -1 ? 'imaperror' : (!$auth['valid'] ? 'invalidrequest' : 'loginfailed'), 'warning');
     $RCMAIL->plugins->exec_hook('login_failed', array(
       'code' => $error_code, 'host' => $auth['host'], 'user' => $auth['user']));
     $RCMAIL->kill_session();
   }
 }
 
-// end session
-else if ($RCMAIL->task == 'logout' && isset($_SESSION['user_id'])) {
+// end session (after optional referer check)
+else if ($RCMAIL->task == 'logout' && isset($_SESSION['user_id']) && (!$RCMAIL->config->get('referer_check') || rcube_check_referer())) {
   $userdata = array('user' => $_SESSION['username'], 'host' => $_SESSION['imap_host'], 'lang' => $RCMAIL->user->language);
   $OUTPUT->show_message('loggedout');
   $RCMAIL->logout_actions();
@@ -162,7 +170,7 @@ if (empty($RCMAIL->user->ID)) {
     );
   }
 
-  $OUTPUT->set_env('task', 'login');
+  $RCMAIL->set_task('login');
   $OUTPUT->send('login');
 }
 // CSRF prevention
@@ -182,6 +190,14 @@ else {
     $OUTPUT->show_message('invalidrequest', 'error');
     $OUTPUT->send($RCMAIL->task);
   }
+
+  // check referer if configured
+  if (!$request_check_whitelist[$RCMAIL->action] && $RCMAIL->config->get('referer_check') && !rcube_check_referer()) {
+    raise_error(array(
+      'code' => 403,
+      'type' => 'php',
+      'message' => "Referer check failed"), true, true);
+  }
 }
 
 // handle special actions