From de1040731b1c5660b2fc0db7ad7e26337b4e05eb Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Mon, 19 Nov 2012 09:51:48 -0500
Subject: [PATCH] Properly add author name from gettext files

---
 index.php |  611 ++++++++++++++++++++++++-------------------------------
 1 files changed, 265 insertions(+), 346 deletions(-)

diff --git a/index.php b/index.php
index eaecfdf..aee94e9 100644
--- a/index.php
+++ b/index.php
@@ -1,389 +1,308 @@
 <?php
 /*
- +-----------------------------------------------------------------------+
- | RoundCube Webmail IMAP Client                                         |
- | Version 0.1-20070301                                                  |
- |                                                                       |
- | Copyright (C) 2005-2007, RoundCube Dev. - Switzerland                 |
- | Licensed under the GNU GPL                                            |
- |                                                                       |
- | Redistribution and use in source and binary forms, with or without    |
- | modification, are permitted provided that the following conditions    |
- | are met:                                                              |
- |                                                                       |
- | o Redistributions of source code must retain the above copyright      |
- |   notice, this list of conditions and the following disclaimer.       |
- | o Redistributions in binary form must reproduce the above copyright   |
- |   notice, this list of conditions and the following disclaimer in the |
- |   documentation and/or other materials provided with the distribution.|
- | o The names of the authors may not be used to endorse or promote      |
- |   products derived from this software without specific prior written  |
- |   permission.                                                         |
- |                                                                       |
- | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS   |
- | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT     |
- | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
- | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT  |
- | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
- | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT      |
- | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
- | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
- | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT   |
- | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
- | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  |
- |                                                                       |
- +-----------------------------------------------------------------------+
- | Author: Thomas Bruederli <roundcube@gmail.com>                        |
- +-----------------------------------------------------------------------+
-
- $Id$
-
+ +-------------------------------------------------------------------------+
+ | Roundcube Webmail IMAP Client                                           |
+ | Version 0.9-git                                                         |
+ |                                                                         |
+ | Copyright (C) 2005-2012, The Roundcube Dev Team                         |
+ |                                                                         |
+ | This program is free software: you can redistribute it and/or modify    |
+ | it under the terms of the GNU General Public License (with exceptions   |
+ | for skins & plugins) as published by the Free Software Foundation,      |
+ | either version 3 of the License, or (at your option) any later version. |
+ |                                                                         |
+ | This file forms part of the Roundcube Webmail Software for which the    |
+ | following exception is added: Plugins and Skins which merely make       |
+ | function calls to the Roundcube Webmail Software, and for that purpose  |
+ | include it by reference shall not be considered modifications of        |
+ | the software.                                                           |
+ |                                                                         |
+ | If you wish to use this file in another project or create a modified    |
+ | version that will not be part of the Roundcube Webmail Software, you    |
+ | may remove the exception above and use this source code under the       |
+ | original version of the license.                                        |
+ |                                                                         |
+ | This program is distributed in the hope that it will be useful,         |
+ | but WITHOUT ANY WARRANTY; without even the implied warranty of          |
+ | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the            |
+ | GNU General Public License for more details.                            |
+ |                                                                         |
+ | You should have received a copy of the GNU General Public License       |
+ | along with this program.  If not, see http://www.gnu.org/licenses/.     |
+ |                                                                         |
+ +-------------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com>                          |
+ +-------------------------------------------------------------------------+
 */
 
-define('RCMAIL_VERSION', '0.1-20070301');
+// include environment
+require_once 'program/include/iniset.php';
 
-// define global vars
-$CHARSET = 'UTF-8';
-$OUTPUT_TYPE = 'html';
-$JS_OBJECT_NAME = 'rcmail';
-$INSTALL_PATH = dirname(__FILE__);
-$MAIN_TASKS = array('mail','settings','addressbook','logout');
+// init application, start session, init output class, etc.
+$RCMAIL = rcmail::get_instance();
 
-if (empty($INSTALL_PATH))
-  $INSTALL_PATH = './';
-else
-  $INSTALL_PATH .= '/';
+// Make the whole PHP output non-cacheable (#1487797)
+$RCMAIL->output->nocacheing_headers();
 
+// turn on output buffering
+ob_start();
 
-// 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.$INSTALL_PATH.'program/lib'.PATH_SEPARATOR.ini_get('include_path'));
-
-ini_set('session.name', 'sessid');
-ini_set('session.use_cookies', 1);
-ini_set('session.gc_maxlifetime', 21600);
-ini_set('session.gc_divisor', 500);
-ini_set('error_reporting', E_ALL&~E_NOTICE); 
-
-// increase maximum execution time for php scripts
-// (does not work in safe mode)
-if (!ini_get('safe_mode')) @set_time_limit(120);
-
-// include base files
-require_once('include/rcube_shared.inc');
-require_once('include/rcube_imap.inc');
-require_once('include/bugs.inc');
-require_once('include/main.inc');
-require_once('include/cache.inc');
-require_once('lib/html2text.inc');
-require_once('PEAR.php');
-
-
-// set PEAR error handling
-// PEAR::setErrorHandling(PEAR_ERROR_TRIGGER, E_USER_NOTICE);
-
-
-// catch some url/post parameters
-$_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']));
-
-// 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' && $_action != 'viewsource')
-  {
-  // use gzip compression if supported
-  if (function_exists('ob_gzhandler') && ini_get('zlib.output_compression'))
-    ob_start('ob_gzhandler');
-  else
-    ob_start();
-  }
-
-
-// start session with requested task
-rcmail_startup($_task);
-
-// set session related variables
-$COMM_PATH = sprintf('./?_task=%s', $_task);
-$SESS_HIDDEN_FIELD = '';
-
-
-// add framed parameter
-if ($_framed)
-  {
-  $COMM_PATH .= '&amp;_framed=1';
-  $SESS_HIDDEN_FIELD .= "\n".'<input type="hidden" name="_framed" value="1" />';
-  }
-
-
-// init necessary objects for GUI
-load_gui();
-
+// check if config files had errors
+if ($err_str = $RCMAIL->config->get_error()) {
+  rcmail::raise_error(array(
+    'code' => 601,
+    'type' => 'php',
+    'message' => $err_str), false, true);
+}
 
 // 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' => $err_str), FALSE, TRUE);
-  }
-
+if ($err_str = $RCMAIL->db->is_error()) {
+  rcmail::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($_GET['_code'])), FALSE, TRUE);
+if ($RCMAIL->action == 'error' && !empty($_GET['_code'])) {
+  rcmail::raise_error(array('code' => hexdec($_GET['_code'])), FALSE, TRUE);
+}
+
+// check if https is required (for login) and redirect if necessary
+if (empty($_SESSION['user_id']) && ($force_https = $RCMAIL->config->get('force_https', false))) {
+  $https_port = is_bool($force_https) ? 443 : $force_https;
+  if (!rcube_utils::https_check($https_port)) {
+    $host  = preg_replace('/:[0-9]+$/', '', $_SERVER['HTTP_HOST']);
+    $host .= ($https_port != 443 ? ':' . $https_port : '');
+    header('Location: https://' . $host . $_SERVER['REQUEST_URI']);
+    exit;
   }
+}
 
-// 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 $plaintext;
-
-  exit;
-  }
-
+// trigger startup plugin hook
+$startup = $RCMAIL->plugins->exec_hook('startup', array('task' => $RCMAIL->task, 'action' => $RCMAIL->action));
+$RCMAIL->set_task($startup['task']);
+$RCMAIL->action = $startup['action'];
 
 // 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 (isset($_POST['_user']) && isset($_POST['_pass']) &&
-           rcmail_login(get_input_value('_user', RCUBE_INPUT_POST),
-              get_input_value('_pass', RCUBE_INPUT_POST, true, 'ISO-8859-1'), $host))
-    {
-    // send redirect
-    header("Location: $COMM_PATH");
-    exit;
-    }
-  else
-    {
-    show_message("loginfailed", 'warning');
-    $_SESSION['user_id'] = '';
-    }
-  }
+if ($RCMAIL->task == 'login' && $RCMAIL->action == 'login') {
+  $request_valid = $_SESSION['temp'] && $RCMAIL->check_request(rcube_utils::INPUT_POST, 'login');
 
-// end session
-else if ($_action=='logout' && isset($_SESSION['user_id']))
-  {
-  show_message('loggedout');
-  rcmail_kill_session();
+  // purge the session in case of new login when a session already exists 
+  $RCMAIL->kill_session();
+
+  $auth = $RCMAIL->plugins->exec_hook('authenticate', array(
+    'host' => $RCMAIL->autoselect_host(),
+    'user' => trim(rcube_utils::get_input_value('_user', rcube_utils::INPUT_POST)),
+    'pass' => rcube_utils::get_input_value('_pass', rcube_utils::INPUT_POST, true,
+       $RCMAIL->config->get('password_charset', 'ISO-8859-1')),
+    'cookiecheck' => true,
+    'valid' => $request_valid,
+  ));
+
+  // Login
+  if ($auth['valid'] && !$auth['abort'] &&
+    $RCMAIL->login($auth['user'], $auth['pass'], $auth['host'], $auth['cookiecheck'])
+  ) {
+    // create new session ID, don't destroy the current session
+    // it was destroyed already by $RCMAIL->kill_session() above
+    $RCMAIL->session->remove('temp');
+    $RCMAIL->session->regenerate_id(false);
+
+    // send auth cookie if necessary
+    $RCMAIL->session->set_auth_cookie();
+
+    // log successful login
+    $RCMAIL->log_login();
+
+    // restore original request parameters
+    $query = array();
+    if ($url = rcube_utils::get_input_value('_url', rcube_utils::INPUT_POST)) {
+      parse_str($url, $query);
+
+      // prevent endless looping on login page
+      if ($query['_task'] == 'login')
+        unset($query['_task']);
+
+      // prevent redirect to compose with specified ID (#1488226)
+      if ($query['_action'] == 'compose' && !empty($query['_id']))
+        $query = array();
+    }
+
+    // allow plugins to control the redirect url after login success
+    $redir = $RCMAIL->plugins->exec_hook('login_after', $query + array('_task' => 'mail'));
+    unset($redir['abort'], $redir['_err']);
+
+    // send redirect
+    $OUTPUT->redirect($redir);
   }
+  else {
+    if (!$auth['valid']) {
+      $error_code  = RCMAIL::ERROR_INVALID_REQUEST;
+    }
+    else {
+      $error_code = $auth['error'] ? $auth['error'] : $RCMAIL->login_error();
+    }
+
+    $error_labels = array(
+      RCMAIL::ERROR_STORAGE          => 'storageerror',
+      RCMAIL::ERROR_COOKIES_DISABLED => 'cookiesdisabled',
+      RCMAIL::ERROR_INVALID_REQUEST  => 'invalidrequest',
+      RCMAIL::ERROR_INVALID_HOST     => 'invalidhost',
+    );
+
+    $error_message = $error_labels[$error_code] ? $error_labels[$error_code] : 'loginfailed';
+
+    $OUTPUT->show_message($error_message, 'warning');
+    $RCMAIL->plugins->exec_hook('login_failed', array(
+      'code' => $error_code, 'host' => $auth['host'], 'user' => $auth['user']));
+    $RCMAIL->kill_session();
+  }
+}
+
+// end session (after optional referer check)
+else if ($RCMAIL->task == 'logout' && isset($_SESSION['user_id']) && (!$RCMAIL->config->get('referer_check') || rcmail::check_referer())) {
+  $userdata = array(
+    'user' => $_SESSION['username'],
+    'host' => $_SESSION['storage_host'],
+    'lang' => $RCMAIL->user->language,
+  );
+  $OUTPUT->show_message('loggedout');
+  $RCMAIL->logout_actions();
+  $RCMAIL->kill_session();
+  $RCMAIL->plugins->exec_hook('logout_after', $userdata);
+}
 
 // check session and auth cookie
-else if ($_action != 'login' && $_SESSION['user_id'] && $_action != 'send')
-  {
-  if (!rcmail_authenticate_session() ||
-      (!empty($CONFIG['session_lifetime']) && isset($SESS_CHANGED) && $SESS_CHANGED + $CONFIG['session_lifetime']*60 < mktime()))
-    {
-    $message = show_message('sessionerror', 'error');
-    rcmail_kill_session();
-    }
+else if ($RCMAIL->task != 'login' && $_SESSION['user_id'] && $RCMAIL->action != 'send') {
+  if (!$RCMAIL->session->check_auth()) {
+    $RCMAIL->kill_session();
+    $session_error = true;
   }
-
-
-// log in to imap server
-if (!empty($_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');
-    $_SESSION['user_id'] = '';
-    }
-  else
-    rcmail_set_imap_prop();
-  }
-
-
-// not logged in -> set task to 'login
-if (empty($_SESSION['user_id']))
-  {
-  if ($REMOTE_REQUEST)
-    {
-    $message .= "setTimeout(\"location.href='\"+this.env.comm_path+\"'\", 2000);";
-    rcube_remote_response($message);
-    }
-  
-  $_task = 'login';
-  }
-
-
-
-// set task and action to client
-$script = sprintf("%s.set_env('task', '%s');", $JS_OBJECT_NAME, $_task);
-if (!empty($_action))
-  $script .= sprintf("\n%s.set_env('action', '%s');", $JS_OBJECT_NAME, $_action);
-
-$OUTPUT->add_script($script);
-
-
+}
 
 // not logged in -> show login page
-if (!$_SESSION['user_id'])
-  {
-  parse_template('login');
-  exit;
+if (empty($RCMAIL->user->ID)) {
+  // log session failures
+  $task = rcube_utils::get_input_value('_task', rcube_utils::INPUT_GPC);
+  if ($task && !in_array($task, array('login','logout')) && !$session_error && ($sess_id = $_COOKIE[ini_get('session.name')])) {
+    $RCMAIL->session->log("Aborted session " . $sess_id . "; no valid session data found");
+    $session_error = true;
   }
 
+  if ($OUTPUT->ajax_call)
+    $OUTPUT->redirect(array('_err' => 'session'), 2000);
 
-// handle keep-alive signal
-if ($_action=='keep-alive')
-  {
-  rcube_remote_response('');
-  exit;
+  if (!empty($_REQUEST['_framed']))
+    $OUTPUT->command('redirect', $RCMAIL->url(array('_err' => 'session')));
+
+  // check if installer is still active
+  if ($RCMAIL->config->get('enable_installer') && is_readable('./installer/index.php')) {
+    $OUTPUT->add_footer(html::div(array('style' => "background:#ef9398; border:2px solid #dc5757; padding:0.5em; margin:2em auto; width:50em"),
+      html::tag('h2', array('style' => "margin-top:0.2em"), "Installer script is still accessible") .
+      html::p(null, "The install script of your Roundcube installation is still stored in its default location!") .
+      html::p(null, "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.")
+      )
+    );
   }
 
-// include task specific files
-if ($_task=='mail')
-  {
-  include_once('program/steps/mail/func.inc');
-  
-  if ($_action=='show' || $_action=='preview' || $_action=='print')
-    include('program/steps/mail/show.inc');
+  if ($session_error || $_REQUEST['_err'] == 'session')
+    $OUTPUT->show_message('sessionerror', 'error', null, true, -1);
 
-  if ($_action=='get')
-    include('program/steps/mail/get.inc');
+  $plugin = $RCMAIL->plugins->exec_hook('unauthenticated', array('task' => 'login', 'error' => $session_error));
 
-  if ($_action=='moveto' || $_action=='delete')
-    include('program/steps/mail/move_del.inc');
+  $RCMAIL->set_task($plugin['task']);
+  $OUTPUT->send($plugin['task']);
+}
+// CSRF prevention
+else {
+  // don't check for valid request tokens in these actions
+  $request_check_whitelist = array('login'=>1, 'spell'=>1, 'spell_html'=>1);
 
-  if ($_action=='mark')
-    include('program/steps/mail/mark.inc');
+  if (!$request_check_whitelist[$RCMAIL->action]) {
+    // check client X-header to verify request origin
+    if ($OUTPUT->ajax_call) {
+      if (rcube_utils::request_header('X-Roundcube-Request') != $RCMAIL->get_request_token()) {
+        header('HTTP/1.1 403 Forbidden');
+        die("Invalid Request");
+      }
+    }
+    // check request token in POST form submissions
+    else if (!empty($_POST) && !$RCMAIL->check_request()) {
+      $OUTPUT->show_message('invalidrequest', 'error');
+      $OUTPUT->send($RCMAIL->task);
+    }
 
-  if ($_action=='viewsource')
-    include('program/steps/mail/viewsource.inc');
-
-  if ($_action=='send')
-    include('program/steps/mail/sendmail.inc');
-
-  if ($_action=='upload')
-    include('program/steps/mail/upload.inc');
-
-  if ($_action=='compose' || $_action=='remove-attachment')
-    include('program/steps/mail/compose.inc');
-
-  if ($_action=='addcontact')
-    include('program/steps/mail/addcontact.inc');
-
-  if ($_action=='expunge' || $_action=='purge')
-    include('program/steps/mail/folders.inc');
-
-  if ($_action=='check-recent')
-    include('program/steps/mail/check_recent.inc');
-
-  if ($_action=='getunread')
-    include('program/steps/mail/getunread.inc');
-    
-  if ($_action=='list' && isset($_GET['_remote']))
-    include('program/steps/mail/list.inc');
-
-   if ($_action=='search')
-     include('program/steps/mail/search.inc');
-     
-  if ($_action=='spell')
-    include('program/steps/mail/spell.inc');
-
-  if ($_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);
+    // check referer if configured
+    if ($RCMAIL->config->get('referer_check') && !rcmail::check_referer()) {
+      raise_error(array(
+        'code' => 403, 'type' => 'php',
+        'message' => "Referer check failed"), true, true);
+    }
   }
+}
+
+// we're ready, user is authenticated and the request is safe
+$plugin = $RCMAIL->plugins->exec_hook('ready', array('task' => $RCMAIL->task, 'action' => $RCMAIL->action));
+$RCMAIL->set_task($plugin['task']);
+$RCMAIL->action = $plugin['action'];
+
+// handle special actions
+if ($RCMAIL->action == 'keep-alive') {
+  $OUTPUT->reset();
+  $RCMAIL->plugins->exec_hook('keep_alive', array());
+  $OUTPUT->send();
+}
+else if ($RCMAIL->action == 'save-pref') {
+  include INSTALL_PATH . 'program/steps/utils/save_pref.inc';
+}
 
 
-// include task specific files
-if ($_task=='addressbook')
-  {
-  include_once('program/steps/addressbook/func.inc');
+// include task specific functions
+if (is_file($incfile = INSTALL_PATH . 'program/steps/'.$RCMAIL->task.'/func.inc'))
+  include_once $incfile;
 
-  if ($_action=='save')
-    include('program/steps/addressbook/save.inc');
-  
-  if ($_action=='edit' || $_action=='add')
-    include('program/steps/addressbook/edit.inc');
-  
-  if ($_action=='delete')
-    include('program/steps/addressbook/delete.inc');
-
-  if ($_action=='show')
-    include('program/steps/addressbook/show.inc');  
-
-  if ($_action=='list' && $_GET['_remote'])
-    include('program/steps/addressbook/list.inc');
-
-  if ($_action=='ldappublicsearch')
-    include('program/steps/addressbook/ldapsearchform.inc');
+// allow 5 "redirects" to another action
+$redirects = 0; $incstep = null;
+while ($redirects < 5) {
+  // execute a plugin action
+  if ($RCMAIL->plugins->is_plugin_task($RCMAIL->task)) {
+    if (!$RCMAIL->action) $RCMAIL->action = 'index';
+    $RCMAIL->plugins->exec_action($RCMAIL->task.'.'.$RCMAIL->action);
+    break;
   }
-
-
-// include task specific files
-if ($_task=='settings')
-  {
-  include_once('program/steps/settings/func.inc');
-
-  if ($_action=='save-identity')
-    include('program/steps/settings/save_identity.inc');
-
-  if ($_action=='add-identity' || $_action=='edit-identity')
-    include('program/steps/settings/edit_identity.inc');
-
-  if ($_action=='delete-identity')
-    include('program/steps/settings/delete_identity.inc');
-  
-  if ($_action=='identities')
-    include('program/steps/settings/identities.inc');  
-
-  if ($_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')
-    include('program/steps/settings/manage_folders.inc');
-
+  else if (preg_match('/^plugin\./', $RCMAIL->action)) {
+    $RCMAIL->plugins->exec_action($RCMAIL->action);
+    break;
   }
+  // try to include the step file
+  else if (($stepfile = $RCMAIL->get_action_file())
+    && is_file($incfile = INSTALL_PATH . 'program/steps/'.$RCMAIL->task.'/'.$stepfile)
+  ) {
+    // include action file only once (in case it don't exit)
+    include_once $incfile;
+    $redirects++;
+  }
+  else {
+    break;
+  }
+}
 
+if ($RCMAIL->action == 'refresh') {
+  $RCMAIL->plugins->exec_hook('refresh', array());
+}
 
-// parse main template
-parse_template($_task);
+// parse main template (default)
+$OUTPUT->send($RCMAIL->task);
 
 
 // if we arrive here, something went wrong
-raise_error(array('code' => 404,
-                  'type' => 'php',
-                  'line' => __LINE__,
-                  'file' => __FILE__,
-                  'message' => "Invalid request"), TRUE, TRUE);
-                      
-?>
+rcmail::raise_error(array(
+  'code' => 404,
+  'type' => 'php',
+  'line' => __LINE__,
+  'file' => __FILE__,
+  'message' => "Invalid request"), true, true);
+

--
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