From 967b342039261ab294fe85d806fe49ce16391ada Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Fri, 28 Mar 2008 15:42:35 -0400
Subject: [PATCH] Disable installer by default; add config option to enable it again

---
 index.php |  269 +++++++++++++++++++++++++++++++----------------------
 1 files changed, 157 insertions(+), 112 deletions(-)

diff --git a/index.php b/index.php
index 88c7120..0687763 100644
--- a/index.php
+++ b/index.php
@@ -2,9 +2,9 @@
 /*
  +-----------------------------------------------------------------------+
  | RoundCube Webmail IMAP Client                                         |
- | Version 0.1-20060505                                                  |
+ | Version 0.1-20080328                                                  |
  |                                                                       |
- | Copyright (C) 2005, RoundCube Dev. - Switzerland                      |
+ | Copyright (C) 2005-2008, RoundCube Dev. - Switzerland                 |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | Redistribution and use in source and binary forms, with or without    |
@@ -40,205 +40,241 @@
 
 */
 
-define('RCMAIL_VERSION', '0.1-20060505');
+// application constants
+define('RCMAIL_VERSION', '0.1-trunk');
+define('RCMAIL_CHARSET', 'UTF-8');
+define('JS_OBJECT_NAME', 'rcmail');
 
 // define global vars
-$CHARSET = 'UTF-8';
 $OUTPUT_TYPE = 'html';
-$JS_OBJECT_NAME = 'rcmail';
-$INSTALL_PATH = dirname($_SERVER['SCRIPT_FILENAME']);
+$INSTALL_PATH = dirname(__FILE__);
 $MAIN_TASKS = array('mail','settings','addressbook','logout');
 
 if (empty($INSTALL_PATH))
   $INSTALL_PATH = './';
 else
   $INSTALL_PATH .= '/';
-	
+
+
+// make sure path_separator is defined
+if (!defined('PATH_SEPARATOR'))
+  define('PATH_SEPARATOR', (eregi('win', PHP_OS) ? ';' : ':'));
+
+
 // RC include folders MUST be included FIRST to avoid other
 // possible not compatible libraries (i.e PEAR) to be included
 // instead the ones provided by RC
 ini_set('include_path', $INSTALL_PATH.PATH_SEPARATOR.$INSTALL_PATH.'program'.PATH_SEPARATOR.$INSTALL_PATH.'program/lib'.PATH_SEPARATOR.ini_get('include_path'));
 
-ini_set('session.name', 'sessid');
+ini_set('session.name', 'roundcube_sessid');
 ini_set('session.use_cookies', 1);
 ini_set('session.gc_maxlifetime', 21600);
 ini_set('session.gc_divisor', 500);
 ini_set('error_reporting', E_ALL&~E_NOTICE); 
+set_magic_quotes_runtime(0);
 
 // increase maximum execution time for php scripts
 // (does not work in safe mode)
-@set_time_limit(120);
+if (!ini_get('safe_mode')) @set_time_limit(120);
 
 // include base files
 require_once('include/rcube_shared.inc');
 require_once('include/rcube_imap.inc');
 require_once('include/bugs.inc');
 require_once('include/main.inc');
-require_once('include/cache.inc');
 require_once('PEAR.php');
 
 
 // set PEAR error handling
 // PEAR::setErrorHandling(PEAR_ERROR_TRIGGER, E_USER_NOTICE);
 
-// use gzip compression if supported
-if (function_exists('ob_gzhandler') && !ini_get('zlib.output_compression'))
-  ob_start('ob_gzhandler');
-else
-  ob_start();
-
 
 // catch some url/post parameters
-$_auth = get_input_value('_auth', RCUBE_INPUT_GPC);
-$_task = get_input_value('_task', RCUBE_INPUT_GPC);
-$_action = get_input_value('_action', RCUBE_INPUT_GPC);
+$_task = strip_quotes(get_input_value('_task', RCUBE_INPUT_GPC));
+$_action = strip_quotes(get_input_value('_action', RCUBE_INPUT_GPC));
 $_framed = (!empty($_GET['_framed']) || !empty($_POST['_framed']));
 
-if (empty($_task))
+// use main task if empty or invalid value
+if (empty($_task) || !in_array($_task, $MAIN_TASKS))
   $_task = 'mail';
 
-if (!empty($_GET['_remote']))
-  $REMOTE_REQUEST = TRUE;
+
+// set output buffering
+if ($_action != 'get' && $_action != 'viewsource')
+{
+  // use gzip compression if supported
+  if (function_exists('ob_gzhandler')
+    && !ini_get('zlib.output_compression')
+    && ini_get('output_handler') != 'ob_gzhandler')
+  {
+    ob_start('ob_gzhandler');
+  }
+  else
+    ob_start();
+}
+
 
 // start session with requested task
 rcmail_startup($_task);
 
 // set session related variables
-$COMM_PATH = sprintf('./?_auth=%s&_task=%s', $sess_auth, $_task);
-$SESS_HIDDEN_FIELD = sprintf('<input type="hidden" name="_auth" value="%s" />', $sess_auth);
+$COMM_PATH = sprintf('./?_task=%s', $_task);
+$SESS_HIDDEN_FIELD = '';
 
 
 // add framed parameter
 if ($_framed)
-  {
+{
   $COMM_PATH .= '&_framed=1';
   $SESS_HIDDEN_FIELD .= "\n".'<input type="hidden" name="_framed" value="1" />';
-  }
+}
 
 
 // init necessary objects for GUI
-load_gui();
+rcmail_load_gui();
 
 
 // check DB connections and exit on failure
 if ($err_str = $DB->is_error())
-  {
-  raise_error(array('code' => 500, 'type' => 'db', 'line' => __LINE__, 'file' => __FILE__,
-                    'message' => $err_str), FALSE, TRUE);
-  }
+{
+  raise_error(array(
+    'code' => 603,
+    'type' => 'db',
+    'message' => $err_str), FALSE, TRUE);
+}
 
 
 // error steps
 if ($_action=='error' && !empty($_GET['_code']))
-  {
   raise_error(array('code' => hexdec($_GET['_code'])), FALSE, TRUE);
-  }
 
 
 // try to log in
 if ($_action=='login' && $_task=='mail')
-  {
-  $host = $_POST['_host'] ? $_POST['_host'] : $CONFIG['default_host'];
+{
+  $host = rcmail_autoselect_host();
   
   // check if client supports cookies
   if (empty($_COOKIE))
-    {
-    show_message("cookiesdisabled", 'warning');
-    }
-  else if (isset($_POST['_user']) && isset($_POST['_pass']) &&
-           rcmail_login(get_input_value('_user', RCUBE_INPUT_POST),
-                        get_input_value('_pass', RCUBE_INPUT_POST),
-                        $host))
-    {
+  {
+    $OUTPUT->show_message("cookiesdisabled", 'warning');
+  }
+  else if ($_SESSION['temp'] && !empty($_POST['_user']) && isset($_POST['_pass']) &&
+           rcmail_login(trim(get_input_value('_user', RCUBE_INPUT_POST), ' '),
+              get_input_value('_pass', RCUBE_INPUT_POST, true, 'ISO-8859-1'), $host))
+  {
+    // create new session ID
+    unset($_SESSION['temp']);
+    sess_regenerate_id();
+
+    // send auth cookie if necessary
+    rcmail_authenticate_session();
+
     // send redirect
     header("Location: $COMM_PATH");
     exit;
-    }
-  else
-    {
-    show_message("loginfailed", 'warning');
-    $_SESSION['user_id'] = '';
-    }
   }
+  else
+  {
+    $OUTPUT->show_message($IMAP->error_code == -1 ? 'imaperror' : 'loginfailed', 'warning');
+    rcmail_kill_session();
+  }
+}
 
 // end session
-else if ($_action=='logout' && isset($_SESSION['user_id']))
-  {
-  show_message('loggedout');
+else if (($_task=='logout' || $_action=='logout') && isset($_SESSION['user_id']))
+{
+  $OUTPUT->show_message('loggedout');
   rcmail_kill_session();
-  }
+}
 
-// check session cookie and auth string
-else if ($_action!='login' && $sess_auth && $_SESSION['user_id'])
+// check session and auth cookie
+else if ($_action != 'login' && $_SESSION['user_id'] && $_action != 'send')
+{
+  if (!rcmail_authenticate_session())
   {
-  if ($_auth !== $sess_auth || $_auth != rcmail_auth_hash($_SESSION['client_id'], $_SESSION['auth_time']) ||
-      ($CONFIG['session_lifetime'] && isset($SESS_CHANGED) && $SESS_CHANGED + $CONFIG['session_lifetime']*60 < mktime()))
-    {
-    $message = show_message('sessionerror', 'error');
+    $OUTPUT->show_message('sessionerror', 'error');
     rcmail_kill_session();
-    }
   }
+}
 
 
 // log in to imap server
-if (!empty($_SESSION['user_id']) && $_task=='mail')
-  {
+if (!empty($USER->ID) && $_task=='mail')
+{
   $conn = $IMAP->connect($_SESSION['imap_host'], $_SESSION['username'], decrypt_passwd($_SESSION['password']), $_SESSION['imap_port'], $_SESSION['imap_ssl']);
   if (!$conn)
-    {
-    show_message('imaperror', 'error');
-    $_SESSION['user_id'] = '';
-    }
+  {
+    $OUTPUT->show_message($IMAP->error_code == -1 ? 'imaperror' : 'sessionerror', 'error');
+    rcmail_kill_session();
+  }
   else
     rcmail_set_imap_prop();
-  }
+}
 
 
 // not logged in -> set task to 'login
-if (empty($_SESSION['user_id']))
-  {
-  if ($REMOTE_REQUEST)
-    {
-    $message .= "setTimeout(\"location.href='\"+this.env.comm_path+\"'\", 2000);";
-    rcube_remote_response($message);
-    }
+if (empty($USER->ID))
+{
+  if ($OUTPUT->ajax_call)
+    $OUTPUT->remote_response("setTimeout(\"location.href='\"+this.env.comm_path+\"'\", 2000);");
   
   $_task = 'login';
-  }
+}
 
+
+// check client X-header to verify request origin
+if ($OUTPUT->ajax_call)
+{
+  if (empty($CONFIG['devel_mode']) && !rc_request_header('X-RoundCube-Referer'))
+  {
+    header('HTTP/1.1 404 Not Found');
+    die("Invalid Request");
+  }
+}
 
 
 // set task and action to client
-$script = sprintf("%s.set_env('task', '%s');", $JS_OBJECT_NAME, $_task);
+$OUTPUT->set_env('task', $_task);
 if (!empty($_action))
-  $script .= sprintf("\n%s.set_env('action', '%s');", $JS_OBJECT_NAME, $_action);
-
-$OUTPUT->add_script($script);
+  $OUTPUT->set_env('action', $_action);
 
 
 
 // not logged in -> show login page
-if (!$_SESSION['user_id'])
-  {
-  parse_template('login');
+if (empty($USER->ID))
+{
+  // check if installer is still active
+  if ($CONFIG['enable_installer'] && is_readable('./installer/index.php'))
+    $OUTPUT->add_footer('
+  <div style="background:#ef9398; border:2px solid #dc5757; padding:0.5em; margin:2em auto; width:50em">
+  <h2 style="margin-top:0.2em">Installer script is still accessible</h2>
+  <p>The install script of your RoundCube installation is still stored in its default location!</p>
+  <p>Please <b>remove</b> the whole <tt>installer</tt> folder from the RoundCube directory because
+  these files may expose sensitive configuration data like server passwords and encryption keys
+  to the public. Make sure you cannot access the <a href="./installer/">installer script</a> from your browser.</p>
+  </div>');
+  
+  $OUTPUT->task = 'login';
+  $OUTPUT->send('login');
   exit;
-  }
+}
 
 
 // handle keep-alive signal
 if ($_action=='keep-alive')
-  {
-  rcube_remote_response('');
+{
+  $OUTPUT->reset();
+  $OUTPUT->send('');
   exit;
-  }
-
+}
 
 // include task specific files
 if ($_task=='mail')
-  {
+{
   include_once('program/steps/mail/func.inc');
   
-  if ($_action=='show' || $_action=='print')
+  if ($_action=='show' || $_action=='preview' || $_action=='print')
     include('program/steps/mail/show.inc');
 
   if ($_action=='get')
@@ -253,13 +289,16 @@
   if ($_action=='viewsource')
     include('program/steps/mail/viewsource.inc');
 
+  if ($_action=='sendmdn')
+    include('program/steps/mail/sendmdn.inc');
+
   if ($_action=='send')
     include('program/steps/mail/sendmail.inc');
 
   if ($_action=='upload')
     include('program/steps/mail/upload.inc');
 
-  if ($_action=='compose' || $_action=='remove-attachment')
+  if ($_action=='compose' || $_action=='remove-attachment' || $_action=='display-attachment')
     include('program/steps/mail/compose.inc');
 
   if ($_action=='addcontact')
@@ -274,7 +313,7 @@
   if ($_action=='getunread')
     include('program/steps/mail/getunread.inc');
     
-  if ($_action=='list' && isset($_GET['_remote']))
+  if ($_action=='list' && isset($_REQUEST['_remote']))
     include('program/steps/mail/list.inc');
 
    if ($_action=='search')
@@ -285,19 +324,19 @@
 
   if ($_action=='rss')
     include('program/steps/mail/rss.inc');
-
-  // kill compose entry from session
-  if (isset($_SESSION['compose']))
-    rcmail_compose_cleanup();
     
+  if ($_action=='quotadisplay')
+    include('program/steps/mail/quotadisplay.inc');
+
+
   // make sure the message count is refreshed
   $IMAP->messagecount($_SESSION['mbox'], 'ALL', TRUE);
-  }
+}
 
 
 // include task specific files
 if ($_task=='addressbook')
-  {
+{
   include_once('program/steps/addressbook/func.inc');
 
   if ($_action=='save')
@@ -312,17 +351,23 @@
   if ($_action=='show')
     include('program/steps/addressbook/show.inc');  
 
-  if ($_action=='list' && $_GET['_remote'])
+  if ($_action=='list' && $_REQUEST['_remote'])
     include('program/steps/addressbook/list.inc');
 
-  if ($_action=='ldappublicsearch')
-    include('program/steps/addressbook/ldapsearchform.inc');
-  }
+  if ($_action=='search')
+    include('program/steps/addressbook/search.inc');
+
+  if ($_action=='copy')
+    include('program/steps/addressbook/copy.inc');
+
+  if ($_action=='mailto')
+    include('program/steps/addressbook/mailto.inc');
+}
 
 
 // include task specific files
 if ($_task=='settings')
-  {
+{
   include_once('program/steps/settings/func.inc');
 
   if ($_action=='save-identity')
@@ -340,23 +385,23 @@
   if ($_action=='save-prefs')
     include('program/steps/settings/save_prefs.inc');  
 
-  if ($_action=='folders' || $_action=='subscribe' || $_action=='unsubscribe' || $_action=='create-folder' || $_action=='rename-folder' || $_action=='delete-folder')
+  if ($_action=='folders' || $_action=='subscribe' || $_action=='unsubscribe' ||
+      $_action=='create-folder' || $_action=='rename-folder' || $_action=='delete-folder')
     include('program/steps/settings/manage_folders.inc');
 
-  }
+}
 
 
 // parse main template
-// only allow these templates to be included
-if (in_array($_task, $MAIN_TASKS))
-  parse_template($_task);
+$OUTPUT->send($_task);
 
 
 // if we arrive here, something went wrong
-raise_error(array('code' => 404,
-                  'type' => 'php',
-                  'line' => __LINE__,
-                  'file' => __FILE__,
-                  'message' => "Invalid request"), TRUE, TRUE);
+raise_error(array(
+  'code' => 404,
+  'type' => 'php',
+  'line' => __LINE__,
+  'file' => __FILE__,
+  'message' => "Invalid request"), TRUE, TRUE);
                       
 ?>

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