alecpl
2010-09-25 e019f2d0f2dc2fbfa345ab5d7ae85e67bfdd76b8
index.php
@@ -1,372 +1,271 @@
<?php
/*
 +-----------------------------------------------------------------------+
 | RoundCube Webmail IMAP Client                                         |
 | Version 0.1-20060904                                                  |
 |                                                                       |
 | Copyright (C) 2005-2006, 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>                        |
 +-----------------------------------------------------------------------+
 +-------------------------------------------------------------------------+
 | Roundcube Webmail IMAP Client                                           |
 | Version 0.4-20100807                                                    |
 |                                                                         |
 | Copyright (C) 2005-2010, 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          |
 | as published by the Free Software Foundation.                           |
 |                                                                         |
 | 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, write to the Free Software Foundation, Inc., |
 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.             |
 |                                                                         |
 +-------------------------------------------------------------------------+
 | Author: Thomas Bruederli <roundcube@gmail.com>                          |
 +-------------------------------------------------------------------------+
 $Id$
*/
define('RCMAIL_VERSION', '0.1-20060904');
// 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 .= '/';
// 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)
@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);
// catch some url/post parameters
$_task = get_input_value('_task', RCUBE_INPUT_GPC);
$_action = get_input_value('_action', RCUBE_INPUT_GPC);
$_framed = (!empty($_GET['_framed']) || !empty($_POST['_framed']));
if (empty($_task))
  $_task = 'mail';
if (!empty($_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()) {
  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 = $DB->is_error()) {
  raise_error(array(
    'code' => 603,
    'type' => 'db',
    'message' => $err_str), FALSE, TRUE);
}
// error steps
if ($_action=='error' && !empty($_GET['_code']))
  {
if ($RCMAIL->action=='error' && !empty($_GET['_code'])) {
  raise_error(array('code' => hexdec($_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 : $force_https;
  if (!rcube_https_check($https_port)) {
    $host  = preg_replace('/:[0-9]+$/', '', $_SERVER['HTTP_HOST']);
    $host .= ($https_port != 443 ? ':' . $https_port : '');
    header('Location: https://' . $host . $_SERVER['REQUEST_URI']);
    exit;
  }
}
// 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 = $_POST['_host'] ? $_POST['_host'] : $CONFIG['default_host'];
if ($RCMAIL->task == 'login' && $RCMAIL->action == 'login') {
  // purge the session in case of new login when a session already exists
  $RCMAIL->kill_session();
  
  $auth = $RCMAIL->plugins->exec_hook('authenticate', array(
    'host' => $RCMAIL->autoselect_host(),
    'user' => trim(get_input_value('_user', RCUBE_INPUT_POST)),
    'cookiecheck' => true,
  ));
  if (!isset($auth['pass']))
    $auth['pass'] = get_input_value('_pass', RCUBE_INPUT_POST, true,
        $RCMAIL->config->get('password_charset', 'ISO-8859-1'));
  // check if client supports cookies
  if (empty($_COOKIE))
    {
    show_message("cookiesdisabled", 'warning');
    }
  else if (isset($_POST['_user']) && isset($_POST['_pass']) &&
           rcmail_login(get_input_value('_user', RCUBE_INPUT_POST), $_POST['_pass'], $host))
    {
    // send redirect
    header("Location: $COMM_PATH");
    exit;
    }
  else
    {
    show_message("loginfailed", 'warning');
    $_SESSION['user_id'] = '';
    }
  if ($auth['cookiecheck'] && empty($_COOKIE)) {
    $OUTPUT->show_message("cookiesdisabled", 'warning');
  }
  else if ($_SESSION['temp'] && !$auth['abort'] &&
        !empty($auth['host']) && !empty($auth['user']) &&
        $RCMAIL->login($auth['user'], $auth['pass'], $auth['host'])) {
    // create new session ID
    $RCMAIL->session->remove('temp');
    $RCMAIL->session->regenerate_id();
    // send auth cookie if necessary
    $RCMAIL->authenticate_session();
    // log successful login
    rcmail_log_login();
    // restore original request parameters
    $query = array();
    if ($url = get_input_value('_url', RCUBE_INPUT_POST))
      parse_str($url, $query);
    // allow plugins to control the redirect url after login success
    $redir = $RCMAIL->plugins->exec_hook('login_after', $query);
    unset($redir['abort']);
    // send redirect
    $OUTPUT->redirect($redir);
  }
  else {
    $OUTPUT->show_message($IMAP->error_code < -1 ? 'imaperror' : 'loginfailed', 'warning');
    $RCMAIL->plugins->exec_hook('login_failed', array('code' => $IMAP->error_code, 'host' => $auth['host'], 'user' => $auth['user']));
    $RCMAIL->kill_session();
  }
}
// end session
else if ($_action=='logout' && isset($_SESSION['user_id']))
  {
  show_message('loggedout');
  rcmail_kill_session();
  }
else if ($RCMAIL->task == 'logout' && isset($_SESSION['user_id'])) {
  $userdata = array('user' => $_SESSION['username'], 'host' => $_SESSION['imap_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' && $_SESSION['user_id'])
  {
  if (!rcmail_authenticate_session() ||
      ($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->authenticate_session()) {
    $OUTPUT->show_message('sessionerror', 'error');
    $RCMAIL->kill_session();
  }
}
// don't check for valid request tokens in these actions
$request_check_whitelist = array('login'=>1, 'spell'=>1);
// log in to imap server
if (!empty($_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');
    $_SESSION['user_id'] = '';
    }
  else
    rcmail_set_imap_prop();
// check client X-header to verify request origin
if ($OUTPUT->ajax_call) {
  if (!$RCMAIL->config->get('devel_mode') && rc_request_header('X-Roundcube-Request') != $RCMAIL->get_request_token() && !empty($RCMAIL->user->ID)) {
    header('HTTP/1.1 404 Not Found');
    die("Invalid Request");
  }
// 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);
}
// check request token in POST form submissions
else if (!empty($_POST) && !$request_check_whitelist[$RCMAIL->action] && !$RCMAIL->check_request()) {
  $OUTPUT->show_message('invalidrequest', 'error');
  $OUTPUT->send($RCMAIL->task);
}
// not logged in -> show login page
if (!$_SESSION['user_id'])
  {
  parse_template('login');
  exit;
if (empty($RCMAIL->user->ID)) {
  if ($OUTPUT->ajax_call)
    $OUTPUT->redirect(array(), 2000);
  if (!empty($_REQUEST['_framed']))
    $OUTPUT->command('redirect', '?');
  // check if installer is still active
  if ($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.")
      )
    );
  }
  $OUTPUT->set_env('task', 'login');
  $OUTPUT->send('login');
}
// handle keep-alive signal
if ($_action=='keep-alive')
  {
  rcube_remote_response('');
  exit;
  }
if ($RCMAIL->action == 'keep-alive') {
  $OUTPUT->reset();
  $OUTPUT->send();
}
// include task specific files
if ($_task=='mail')
  {
  include_once('program/steps/mail/func.inc');
// map task/action to a certain include file
$action_map = array(
  'mail' => array(
    'preview' => 'show.inc',
    'print'   => 'show.inc',
    'moveto'  => 'move_del.inc',
    'delete'  => 'move_del.inc',
    'send'    => 'sendmail.inc',
    'expunge' => 'folders.inc',
    'purge'   => 'folders.inc',
    'remove-attachment'  => 'attachments.inc',
    'display-attachment' => 'attachments.inc',
    'upload' => 'attachments.inc',
    'group-expand' => 'autocomplete.inc',
  ),
  
  if ($_action=='show' || $_action=='print')
    include('program/steps/mail/show.inc');
  'addressbook' => array(
    'add' => 'edit.inc',
    'group-create' => 'groups.inc',
    'group-rename' => 'groups.inc',
    'group-delete' => 'groups.inc',
    'group-addmembers' => 'groups.inc',
    'group-delmembers' => 'groups.inc',
  ),
  'settings' => array(
    'folders'       => 'manage_folders.inc',
    'create-folder' => 'manage_folders.inc',
    'rename-folder' => 'manage_folders.inc',
    'delete-folder' => 'manage_folders.inc',
    'subscribe'     => 'manage_folders.inc',
    'unsubscribe'   => 'manage_folders.inc',
    'enable-threading'  => 'manage_folders.inc',
    'disable-threading' => 'manage_folders.inc',
    'add-identity'  => 'edit_identity.inc',
  )
);
  if ($_action=='get')
    include('program/steps/mail/get.inc');
// include task specific functions
if (is_file($incfile = 'program/steps/'.$RCMAIL->task.'/func.inc'))
  include_once($incfile);
  if ($_action=='moveto' || $_action=='delete')
    include('program/steps/mail/move_del.inc');
  if ($_action=='mark')
    include('program/steps/mail/mark.inc');
  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');
// allow 5 "redirects" to another action
$redirects = 0; $incstep = null;
while ($redirects < 5) {
  $stepfile = !empty($action_map[$RCMAIL->task][$RCMAIL->action]) ?
    $action_map[$RCMAIL->task][$RCMAIL->action] : strtr($RCMAIL->action, '-', '_') . '.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');
  // make sure the message count is refreshed
  $IMAP->messagecount($_SESSION['mbox'], 'ALL', TRUE);
  // execute a plugin action
  if ($RCMAIL->plugins->is_plugin_task($RCMAIL->task)) {
    $RCMAIL->plugins->exec_action($RCMAIL->task.'.'.$RCMAIL->action);
    break;
  }
// include task specific files
if ($_task=='addressbook')
  {
  include_once('program/steps/addressbook/func.inc');
  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');
  else if (preg_match('/^plugin\./', $RCMAIL->action)) {
    $RCMAIL->plugins->exec_action($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' || $_action=='delete-folder')
    include('program/steps/settings/manage_folders.inc');
  // try to include the step file
  else if (is_file($incfile = 'program/steps/'.$RCMAIL->task.'/'.$stepfile)) {
    include($incfile);
    $redirects++;
  }
  else {
    break;
  }
}
// parse main template
// only allow these templates to be included
if (in_array($_task, $MAIN_TASKS))
  parse_template($_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);
?>
raise_error(array(
  'code' => 404,
  'type' => 'php',
  'line' => __LINE__,
  'file' => __FILE__,
  'message' => "Invalid request"), true, true);