Initial commit of intern.ccwn.org contentsHEADmaster

1 files changed, 308 insertions, 0 deletions

diff --git a/webmail/index.php b/webmail/index.php
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+<?php
+/*
+ +-------------------------------------------------------------------------+
+ | Roundcube Webmail IMAP Client                                           |
+ | Version 0.9.5                                                           |
+ |                                                                         |
+ | Copyright (C) 2005-2013, 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>                          |
+ +-------------------------------------------------------------------------+
+*/
+
+// include environment
+require_once 'program/include/iniset.php';
+
+// init application, start session, init output class, etc.
+$RCMAIL = rcmail::get_instance();
+
+// Make the whole PHP output non-cacheable (#1487797)
+$RCMAIL->output->nocacheing_headers();
+
+// turn on output buffering
+ob_start();
+
+// 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 = $RCMAIL->db->is_error()) {
+  rcmail::raise_error(array(
+    'code' => 603,
+    'type' => 'db',
+    'message' => $err_str), FALSE, TRUE);
+}
+
+// error steps
+if ($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 . $_SERVER['REQUEST_URI']);
+    exit;
+  }
+}
+
+// trigger startup plugin hook
+$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->task == 'login' && $RCMAIL->action == 'login') {
+  $request_valid = $_SESSION['temp'] && $RCMAIL->check_request(rcube_utils::INPUT_POST, '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(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') || rcube_utils::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', $userdata);
+}
+
+// check session and auth cookie
+else if ($RCMAIL->task != 'login' && $_SESSION['user_id'] && $RCMAIL->action != 'send') {
+  if (!$RCMAIL->session->check_auth()) {
+    $RCMAIL->kill_session();
+    $session_error = true;
+  }
+}
+
+// not logged in -> show login page
+if (empty($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)
+    $OUTPUT->redirect(array('_err' => 'session'), 2000);
+
+  if (!empty($_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')) {
+    $OUTPUT->add_footer(html::div(array('style' => "background:#ef9398; border:2px solid #dc5757; padding:0.5em; margin:2em auto; width:50em"),
+      html::tag('h2', array('style' => "margin-top:0.2em"), "Installer script is still accessible") .
+      html::p(null, "The install script of your Roundcube installation is still stored in its default location!") .
+      html::p(null, "Please <b>remove</b> the whole <tt>installer</tt> folder from the Roundcube directory because .
+        these files may expose sensitive configuration data like server passwords and encryption keys
+        to the public. Make sure you cannot access the <a href=\"./installer/\">installer script</a> from your browser.")
+      )
+    );
+  }
+
+  if ($session_error || $_REQUEST['_err'] == 'session')
+    $OUTPUT->show_message('sessionerror', 'error', null, true, -1);
+
+  $plugin = $RCMAIL->plugins->exec_hook('unauthenticated', array('task' => 'login', 'error' => $session_error));
+
+  $RCMAIL->set_task($plugin['task']);
+  $OUTPUT->send($plugin['task']);
+}
+// CSRF prevention
+else {
+  // don't check for valid request tokens in these actions
+  $request_check_whitelist = array('login'=>1, 'spell'=>1, 'spell_html'=>1);
+
+  if (!$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);
+    }
+
+    // check referer if configured
+    if ($RCMAIL->config->get('referer_check') && !rcube_utils::check_referer()) {
+      raise_error(array(
+        'code' => 403, 'type' => 'php',
+        'message' => "Referer check failed"), true, true);
+    }
+  }
+}
+
+// we're ready, user is authenticated and the request is safe
+$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 functions
+if (is_file($incfile = INSTALL_PATH . 'program/steps/'.$RCMAIL->task.'/func.inc'))
+  include_once $incfile;
+
+// allow 5 "redirects" to another action
+$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;
+  }
+  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') {
+  $RCMAIL->plugins->exec_hook('refresh', array());
+}
+
+// parse main template (default)
+$OUTPUT->send($RCMAIL->task);
+
+
+// if we arrive here, something went wrong
+rcmail::raise_error(array(
+  'code' => 404,
+  'type' => 'php',
+  'line' => __LINE__,
+  'file' => __FILE__,
+  'message' => "Invalid request"), true, true);
+