Use HTTP-POST requests for actions that change application state

thomascube

2007-05-18 8d07583f3920f27186ccc16ea1ecb49104f1e32d

 index.php

@@ -2,7 +2,7 @@
/*
 +-----------------------------------------------------------------------+
 | RoundCube Webmail IMAP Client                                         |
 | Version 0.1-20070327                                                  |
 | Version 0.1-20070518                                                  |
 |                                                                       |
 | Copyright (C) 2005-2007, RoundCube Dev. - Switzerland                 |
 | Licensed under the GNU GPL                                            |
@@ -40,12 +40,13 @@

*/

define('RCMAIL_VERSION', '0.1-20070327');
// application constants
define('RCMAIL_VERSION', '0.1-20070517');
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(__FILE__);
$MAIN_TASKS = array('mail','settings','addressbook','logout');

@@ -81,7 +82,6 @@
require_once('include/bugs.inc');
require_once('include/main.inc');
require_once('include/cache.inc');
require_once('lib/html2text.inc');
require_once('PEAR.php');


@@ -98,19 +98,16 @@
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'))
    ob_start('ob_gzhandler');
  else
    ob_start();
  }
}


// start session with requested task
@@ -123,59 +120,45 @@

// add framed parameter
if ($_framed)
  {
  $COMM_PATH .= '&_framed=1';
{
  $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);
  }

// handle HTML->text conversion
if ($_action=='html2text')
  {
  $htmlText = $HTTP_RAW_POST_DATA;
  $converter = new html2text($htmlText);

  // TODO possibly replace with rcube_remote_response()
  header('Content-Type: text/plain');
  $plaintext = $converter->get_text();
  print $plaintext;

  exit;
  }


// try to log in
if ($_action=='login' && $_task=='mail')
  {
{
  $host = rcmail_autoselect_host();
  
  // check if client supports cookies
  if (empty($_COOKIE))
    {
    show_message("cookiesdisabled", 'warning');
    }
  else if ($_SESSION['temp'] && isset($_POST['_user']) && isset($_POST['_pass']) &&
  {
    $OUTPUT->show_message("cookiesdisabled", 'warning');
  }
  else if ($_SESSION['temp'] && !empty($_POST['_user']) && isset($_POST['_pass']) &&
           rcmail_login(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();
@@ -186,87 +169,84 @@
    // send redirect
    header("Location: $COMM_PATH");
    exit;
    }
  else
    {
    show_message("loginfailed", 'warning');
    $_SESSION['user_id'] = '';
    }
  }
  else
  {
    $OUTPUT->show_message("loginfailed", 'warning');
    $_SESSION['user_id'] = '';
  }
}

// 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 and auth cookie
else if ($_action != 'login' && $_SESSION['user_id'] && $_action != 'send')
  {
{
  if (!rcmail_authenticate_session())
    {
    $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')
  {
{
  $conn = $IMAP->connect($_SESSION['imap_host'], $_SESSION['username'], decrypt_passwd($_SESSION['password']), $_SESSION['imap_port'], $_SESSION['imap_ssl']);
  if (!$conn)
    {
    show_message('imaperror', 'error');
  {
    $OUTPUT->show_message('imaperror', 'error');
    $_SESSION['user_id'] = '';
    }
  }
  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 ($OUTPUT->ajax_call)
    $OUTPUT->remote_response("setTimeout(\"location.href='\"+this.env.comm_path+\"'\", 2000);");
  
  $_task = 'login';
  }
}



// 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');
{
  $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=='preview' || $_action=='print')
@@ -305,7 +285,7 @@
  if ($_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 ($_action=='search')
@@ -317,21 +297,18 @@
  if ($_action=='rss')
    include('program/steps/mail/rss.inc');
    
  if ($_action=='quotaimg')
    include('program/steps/mail/quotaimg.inc');

  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 ($_action=='save')
@@ -346,17 +323,23 @@
  if ($_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')
@@ -378,18 +361,19 @@
      $_action=='create-folder' || $_action=='rename-folder' || $_action=='delete-folder')
    include('program/steps/settings/manage_folders.inc');

  }
}


// parse main template
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);
                      
?>