Use global request tokens and automatically protect all POST requests

thomascube

2009-07-21 5499336feff22f682448dd99cc00a9b36701fcd1

 index.php

@@ -2,7 +2,7 @@
/*
 +-------------------------------------------------------------------------+
 | RoundCube Webmail IMAP Client                                           |
 | Version 0.3-20090419                                                    |
 | Version 0.3-20090721                                                    |
 |                                                                         |
 | Copyright (C) 2005-2009, RoundCube Dev. - Switzerland                   |
 |                                                                         |
@@ -63,6 +63,11 @@
  raise_error(array('code' => hexdec($_GET['_code'])), FALSE, TRUE);
}

// check if https is required (for login) and redirect if necessary
if ($RCMAIL->config->get('force_https', false) && empty($_SESSION['user_id']) && !(isset($_SERVER['HTTPS']) || $_SERVER['SERVER_PORT'] == 443)) {
  header('Location: https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']);
  exit;
}

// trigger startup plugin hook
$startup = $RCMAIL->plugins->exec_hook('startup', array('task' => $RCMAIL->task, 'action' => $RCMAIL->action));
@@ -138,11 +143,16 @@

// check client X-header to verify request origin
if ($OUTPUT->ajax_call) {
  if (!$RCMAIL->config->get('devel_mode') && !rc_request_header('X-RoundCube-Referer')) {
  if (!$RCMAIL->config->get('devel_mode') && rc_request_header('X-RoundCube-Request') != $RCMAIL->get_request_token()) {
    header('HTTP/1.1 404 Not Found');
    die("Invalid Request");
  }
}
// check request token in POST form submissions
else if (!empty($_POST) && !$RCMAIL->check_request()) {
  $OUTPUT->show_message('invalidrequest', 'error');
  $OUTPUT->send($RCMAIL->task);
}


// not logged in -> show login page