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diff --git a/index.php b/index.php
index eb8757590..bec39cffc 100644
--- a/index.php
+++ b/index.php
@@ -1,332 +1,332 @@
<?php
/**
+-------------------------------------------------------------------------+
| Roundcube Webmail IMAP Client |
| Version 1.5-git |
| |
| Copyright (C) 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> |
| Author: Aleksander Machniak <alec@alec.pl> |
+-------------------------------------------------------------------------+
*/
// include environment
require_once 'program/include/iniset.php';
// init application, start session, init output class, etc.
$RCMAIL = rcmail::get_instance(0, $GLOBALS['env']);
// Make the whole PHP output non-cacheable (#1487797)
$RCMAIL->output->nocacheing_headers();
$RCMAIL->output->common_headers(!empty($_SESSION['user_id']));
// 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 = $RCMAIL->config->get('force_https', false))) {
// force_https can be true, <hostname>, <hostname>:<port>, <port>
if (!is_bool($force_https)) {
list($host, $port) = explode(':', $force_https);
if (is_numeric($host) && empty($port)) {
$port = $host;
$host = '';
}
}
if (!rcube_utils::https_check($port ?: 443)) {
if (empty($host)) {
$host = preg_replace('/:[0-9]+$/', '', $_SERVER['HTTP_HOST']);
}
if ($port && $port != 443) {
$host .= ':' . $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();
$pass_charset = $RCMAIL->config->get('password_charset', 'UTF-8');
// purge the session in case of new login when a session already exists
if ($request_valid) {
$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, $pass_charset),
'valid' => $request_valid,
'cookiecheck' => true,
));
// Login
if ($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('_action' => 'compose');
}
}
// 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, 0, true);
}
else {
if (!$auth['valid']) {
$error_code = rcmail::ERROR_INVALID_REQUEST;
}
else {
$error_code = is_numeric($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',
rcmail::ERROR_RATE_LIMIT => 'accountlocked',
);
$error_message = !empty($auth['error']) && !is_numeric($auth['error']) ? $auth['error'] : ($error_labels[$error_code] ?: 'loginfailed');
$OUTPUT->show_message($error_message, 'warning');
// log failed login
$RCMAIL->log_login($auth['user'], true, $error_code);
$RCMAIL->plugins->exec_hook('login_failed', array(
'code' => $error_code, 'host' => $auth['host'], 'user' => $auth['user']));
if (!isset($_SESSION['user_id'])) {
$RCMAIL->kill_session();
}
}
}
// handle oauth login requests
-else if ($RCMAIL->task == 'login' && $RCMAIL->action == 'oauth') {
+else if ($RCMAIL->task == 'login' && $RCMAIL->action == 'oauth' && $RCMAIL->oauth->is_enabled()) {
include INSTALL_PATH . 'program/steps/login/oauth.inc';
}
// end session
else if ($RCMAIL->task == 'logout' && isset($_SESSION['user_id'])) {
$RCMAIL->request_security_check(rcube_utils::INPUT_GET | rcube_utils::INPUT_POST);
$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' && $_SESSION['user_id']) {
if (!$RCMAIL->session->check_auth()) {
$RCMAIL->kill_session();
$session_error = 'sessionerror';
}
}
// not logged in -> show login page
if (empty($RCMAIL->user->ID)) {
if ($session_error || $_REQUEST['_err'] === 'session' || ($session_error = $RCMAIL->session_error())) {
$OUTPUT->show_message($session_error ?: 'sessionerror', 'error', null, true, -1);
}
if ($OUTPUT->ajax_call || $OUTPUT->get_env('framed')) {
$OUTPUT->command('session_error', $RCMAIL->url(array('_err' => 'session')));
$OUTPUT->send('iframe');
}
// check if installer is still active
if ($RCMAIL->config->get('enable_installer') && is_readable('./installer/index.php')) {
$OUTPUT->add_footer(html::div(array('id' => 'login-addon', '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.")
));
}
$plugin = $RCMAIL->plugins->exec_hook('unauthenticated', array(
'task' => 'login',
'error' => $session_error,
// Return 401 only on failed logins (#7010)
'http_code' => empty($session_error) && !empty($error_message) ? 401 : 200
));
$RCMAIL->set_task($plugin['task']);
if ($plugin['http_code'] == 401) {
header('HTTP/1.0 401 Unauthorized');
}
$OUTPUT->send($plugin['task']);
}
else {
// CSRF prevention
$RCMAIL->request_security_check();
// check access to disabled actions
$disabled_actions = (array) $RCMAIL->config->get('disabled_actions');
if (in_array($RCMAIL->task . '.' . ($RCMAIL->action ?: 'index'), $disabled_actions)) {
rcube::raise_error(array(
'code' => 404, 'type' => 'php',
'message' => "Action disabled"), 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
$redirects = 0;
while ($redirects < 5) {
// execute a plugin action
if (preg_match('/^plugin\./', $RCMAIL->action)) {
$RCMAIL->plugins->exec_action($RCMAIL->action);
break;
}
// execute action registered to a plugin task
else if ($RCMAIL->plugins->is_plugin_task($RCMAIL->task)) {
if (!$RCMAIL->action) $RCMAIL->action = 'index';
$RCMAIL->plugins->exec_action($RCMAIL->task.'.'.$RCMAIL->action);
break;
}
// try to include the step file
else if (($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('last' => intval(rcube_utils::get_input_value('_last', rcube_utils::INPUT_GPC))));
}
// 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);

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