From f5d61d845f8cfce4c7b559a900df846947e45b00 Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Wed, 21 Oct 2009 04:47:40 -0400
Subject: [PATCH] Revert r3038 and allow to specify the port as value of force_https

---
 index.php |  354 ++++++++++++++++++++++++++--------------------------------
 1 files changed, 158 insertions(+), 196 deletions(-)

diff --git a/index.php b/index.php
index 257910a..e0956b4 100644
--- a/index.php
+++ b/index.php
@@ -1,40 +1,27 @@
 <?php
 /*
- +-----------------------------------------------------------------------+
- | RoundCube Webmail IMAP Client                                         |
- | Version 0.1-20080506                                                  |
- |                                                                       |
- | Copyright (C) 2005-2008, 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 0.3-20090814                                                    |
+ |                                                                         |
+ | Copyright (C) 2005-2009, 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>                          |
+ +-------------------------------------------------------------------------+
 
  $Id$
 
@@ -43,29 +30,25 @@
 // include environment
 require_once 'program/include/iniset.php';
 
-// define global vars
-$OUTPUT_TYPE = 'html';
-
-// set output buffering
-if ($RCMAIL->action != 'get' && $RCMAIL->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();
-  }
-}
-
-
 // init application and start session with requested task
 $RCMAIL = rcmail::get_instance();
 
 // init output class
-$OUTPUT = (!empty($_GET['_remote']) || !empty($_POST['_remote'])) ? $RCMAIL->init_json() : $RCMAIL->load_gui((!empty($_GET['_framed']) || !empty($_POST['_framed'])));
+$OUTPUT = !empty($_REQUEST['_remote']) ? $RCMAIL->init_json() : $RCMAIL->load_gui(!empty($_REQUEST['_framed']));
 
+// init plugin API
+$RCMAIL->plugins->init();
+
+// turn on output buffering
+ob_start();
+
+// check if config files had errors
+if ($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()) {
@@ -75,45 +58,84 @@
     'message' => $err_str), FALSE, TRUE);
 }
 
-
 // error steps
 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 : $force_https;
+  if (!(isset($_SERVER['HTTPS']) || $_SERVER['SERVER_PORT'] == $use_https || $RCMAIL->config->get('use_https'))) {
+    header('Location: https://' . $_SERVER['HTTP_HOST'] . ($https_port != 443 ? ':' . $https_port : '') . $_SERVER['REQUEST_URI']);
+    exit;
+  }
+}
+
+// trigger startup plugin hook
+$startup = $RCMAIL->plugins->exec_hook('startup', array('task' => $RCMAIL->task, 'action' => $RCMAIL->action));
+$RCMAIL->set_task($startup['task']);
+$RCMAIL->action = $startup['action'];
+
 // try to log in
 if ($RCMAIL->action=='login' && $RCMAIL->task=='mail') {
-  $host = $RCMAIL->autoselect_host();
+  // purge the session in case of new login when a session already exists 
+  $RCMAIL->kill_session();
   
+  $auth = $RCMAIL->plugins->exec_hook('authenticate', array(
+    'host' => $RCMAIL->autoselect_host(),
+    'user' => trim(get_input_value('_user', RCUBE_INPUT_POST)),
+    'cookiecheck' => true,
+  )) + array('pass' => get_input_value('_pass', RCUBE_INPUT_POST, true, 'ISO-8859-1'));
+
   // check if client supports cookies
-  if (empty($_COOKIE)) {
+  if ($auth['cookiecheck'] && empty($_COOKIE)) {
     $OUTPUT->show_message("cookiesdisabled", 'warning');
   }
-  else if ($_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'), $host)) {
+  else if ($_SESSION['temp'] && !$auth['abort'] && !empty($auth['host']) &&
+            !empty($auth['user']) && isset($auth['pass']) && 
+            $RCMAIL->login($auth['user'], $auth['pass'], $auth['host'])) {
     // create new session ID
-    unset($_SESSION['temp']);
-    sess_regenerate_id();
+    rcube_sess_unset('temp');
+    rcube_sess_regenerate_id();
 
     // send auth cookie if necessary
     $RCMAIL->authenticate_session();
 
+    // log successful login
+    if ($RCMAIL->config->get('log_logins')) {
+      write_log('userlogins', sprintf('Successful login for %s (id %d) from %s',
+        $RCMAIL->user->get_username(),
+        $RCMAIL->user->ID,
+        $_SERVER['REMOTE_ADDR']));
+    }
+    
+    // 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 + array('task' => $RCMAIL->task));
+    unset($redir['abort']);
+
     // send redirect
-    header("Location: {$RCMAIL->comm_path}");
-    exit;
+    $OUTPUT->redirect($redir);
   }
   else {
-    $OUTPUT->show_message($IMAP->error_code == -1 ? 'imaperror' : 'loginfailed', 'warning');
+    $OUTPUT->show_message($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 (($RCMAIL->task=='logout' || $RCMAIL->action=='logout') && isset($_SESSION['user_id'])) {
+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
@@ -124,37 +146,32 @@
   }
 }
 
-
-// log in to imap server
-if (!empty($RCMAIL->user->ID) && $RCMAIL->task == 'mail') {
-  if (!$RCMAIL->imap_connect()) {
-    $RCMAIL->kill_session();
-  }
-}
-
-
-// not logged in -> set task to 'login
-if (empty($RCMAIL->user->ID)) {
-  if ($OUTPUT->ajax_call)
-    $OUTPUT->remote_response("setTimeout(\"location.href='\"+this.env.comm_path+\"'\", 2000);");
-  
-  $RCMAIL->set_task('login');
-}
-
+// don't check for valid request tokens in these actions
+$request_check_whitelist = array('login'=>1, 'spell'=>1);
 
 // check client X-header to verify request origin
 if ($OUTPUT->ajax_call) {
-  if (empty($CONFIG['devel_mode']) && !rc_request_header('X-RoundCube-Referer')) {
+  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");
   }
 }
-
+// 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 (empty($RCMAIL->user->ID)) {
+  if ($OUTPUT->ajax_call)
+    $OUTPUT->redirect(array(), 2000);
+  
+  if (!empty($_REQUEST['_framed']))
+    $OUTPUT->command('redirect', '?');
+
   // check if installer is still active
-  if ($CONFIG['enable_installer'] && is_readable('./installer/index.php')) {
+  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!") .
@@ -166,135 +183,80 @@
   }
   
   $OUTPUT->set_env('task', 'login');
-  $OUTPUT->task = 'login';
   $OUTPUT->send('login');
-  exit;
 }
 
 
 // handle keep-alive signal
-if ($RCMAIL->action=='keep-alive') {
+if ($RCMAIL->action == 'keep-alive') {
   $OUTPUT->reset();
-  $OUTPUT->send('');
-  exit;
+  $OUTPUT->send();
 }
-
-// include task specific files
-if ($RCMAIL->task=='mail') {
-  include_once('program/steps/mail/func.inc');
-  
-  if ($RCMAIL->action=='show' || $RCMAIL->action=='preview' || $RCMAIL->action=='print')
-    include('program/steps/mail/show.inc');
-
-  if ($RCMAIL->action=='get')
-    include('program/steps/mail/get.inc');
-
-  if ($RCMAIL->action=='moveto' || $RCMAIL->action=='delete')
-    include('program/steps/mail/move_del.inc');
-
-  if ($RCMAIL->action=='mark')
-    include('program/steps/mail/mark.inc');
-
-  if ($RCMAIL->action=='viewsource')
-    include('program/steps/mail/viewsource.inc');
-
-  if ($RCMAIL->action=='sendmdn')
-    include('program/steps/mail/sendmdn.inc');
-
-  if ($RCMAIL->action=='send')
-    include('program/steps/mail/sendmail.inc');
-
-  if ($RCMAIL->action=='upload')
-    include('program/steps/mail/upload.inc');
-
-  if ($RCMAIL->action=='compose' || $RCMAIL->action=='remove-attachment' || $RCMAIL->action=='display-attachment')
-    include('program/steps/mail/compose.inc');
-
-  if ($RCMAIL->action=='addcontact')
-    include('program/steps/mail/addcontact.inc');
-
-  if ($RCMAIL->action=='expunge' || $RCMAIL->action=='purge')
-    include('program/steps/mail/folders.inc');
-
-  if ($RCMAIL->action=='check-recent')
-    include('program/steps/mail/check_recent.inc');
-
-  if ($RCMAIL->action=='getunread')
-    include('program/steps/mail/getunread.inc');
-    
-  if ($RCMAIL->action=='list' && isset($_REQUEST['_remote']))
-    include('program/steps/mail/list.inc');
-
-   if ($RCMAIL->action=='search')
-     include('program/steps/mail/search.inc');
-     
-  if ($RCMAIL->action=='spell')
-    include('program/steps/mail/spell.inc');
-
-  if ($RCMAIL->action=='rss')
-    include('program/steps/mail/rss.inc');
-    
-  // make sure the message count is refreshed
-  $IMAP->messagecount($_SESSION['mbox'], 'ALL', true);
+// save preference value
+else if ($RCMAIL->action == 'save-pref') {
+  $RCMAIL->user->save_prefs(array(get_input_value('_name', RCUBE_INPUT_POST) => get_input_value('_value', RCUBE_INPUT_POST)));
+  $OUTPUT->reset();
+  $OUTPUT->send();
 }
 
 
-// include task specific files
-if ($RCMAIL->task=='addressbook') {
-  include_once('program/steps/addressbook/func.inc');
-
-  if ($RCMAIL->action=='save')
-    include('program/steps/addressbook/save.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',
+  ),
   
-  if ($RCMAIL->action=='edit' || $RCMAIL->action=='add')
-    include('program/steps/addressbook/edit.inc');
+  'addressbook' => array(
+    'add' => 'edit.inc',
+  ),
   
-  if ($RCMAIL->action=='delete')
-    include('program/steps/addressbook/delete.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',
+    'add-identity'  => 'edit_identity.inc',
+  )
+);
 
-  if ($RCMAIL->action=='show')
-    include('program/steps/addressbook/show.inc');  
+// include task specific functions
+if (is_file($incfile = 'program/steps/'.$RCMAIL->task.'/func.inc'))
+  include_once($incfile);
 
-  if ($RCMAIL->action=='list' && $_REQUEST['_remote'])
-    include('program/steps/addressbook/list.inc');
+// allow 5 "redirects" to another action
+$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 ($RCMAIL->action=='search')
-    include('program/steps/addressbook/search.inc');
-
-  if ($RCMAIL->action=='copy')
-    include('program/steps/addressbook/copy.inc');
-
-  if ($RCMAIL->action=='mailto')
-    include('program/steps/addressbook/mailto.inc');
+  // execute a plugin action
+  if (preg_match('/^plugin\./', $RCMAIL->action)) {
+    $RCMAIL->plugins->exec_action($RCMAIL->action);
+    break;
+  }
+  // try to include the step file
+  else if (is_file($incfile = 'program/steps/'.$RCMAIL->task.'/'.$stepfile)) {
+    include($incfile);
+    $redirects++;
+  }
+  else {
+    break;
+  }
 }
 
 
-// include task specific files
-if ($RCMAIL->task=='settings') {
-  include_once('program/steps/settings/func.inc');
-
-  if ($RCMAIL->action=='save-identity')
-    include('program/steps/settings/save_identity.inc');
-
-  if ($RCMAIL->action=='add-identity' || $RCMAIL->action=='edit-identity')
-    include('program/steps/settings/edit_identity.inc');
-
-  if ($RCMAIL->action=='delete-identity')
-    include('program/steps/settings/delete_identity.inc');
-  
-  if ($RCMAIL->action=='identities')
-    include('program/steps/settings/identities.inc');  
-
-  if ($RCMAIL->action=='save-prefs')
-    include('program/steps/settings/save_prefs.inc');  
-
-  if ($RCMAIL->action=='folders' || $RCMAIL->action=='subscribe' || $RCMAIL->action=='unsubscribe' ||
-      $RCMAIL->action=='create-folder' || $RCMAIL->action=='rename-folder' || $RCMAIL->action=='delete-folder')
-    include('program/steps/settings/manage_folders.inc');
-}
-
-
-// parse main template
+// parse main template (default)
 $OUTPUT->send($RCMAIL->task);
 
 

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