--- a/index.php	Thu Aug 30 16:21:59 2018 -0400
+++ b/index.php	Sat Dec 29 05:10:28 2018 -0500
@@ -1,326 +1,1 @@
-<?php
-/**
- +-------------------------------------------------------------------------+
- | Roundcube Webmail IMAP Client                                           |
- | Version 1.3.3                                                           |
- |                                                                         |
- | Copyright (C) 2005-2017, 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();
-$RCMAIL->output->common_headers();
-
-// turn on output buffering
-ob_start();
-
-// check if config files had errors
-if ($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', 'ISO-8859-1');
-
-    // 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, $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']));
-
-        $RCMAIL->kill_session();
-    }
-}
-
-// end session
-else if ($RCMAIL->task == 'logout' && isset($_SESSION['user_id'])) {
-    $RCMAIL->request_security_check($mode = rcube_utils::INPUT_GET);
-
-    $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();
-        $session_error = true;
-    }
-}
-
-// not logged in -> show login page
-if (empty($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");
-        $session_error = true;
-    }
-
-    if ($session_error || $_REQUEST['_err'] == 'session') {
-        $OUTPUT->show_message('sessionerror', 'error', null, true, -1);
-    }
-
-    if ($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('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));
-
-    $RCMAIL->set_task($plugin['task']);
-
-    $OUTPUT->send($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; $incstep = null;
-while ($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;
-        $redirects++;
-    }
-    else {
-      #rcube::write_log('mail',$incfile." not found");
-        break;
-    }
-}
-
-if ($RCMAIL->action == 'refresh') {
-    $RCMAIL->plugins->exec_hook('refresh', array('last' => intval(rcube_utils::get_input_value('_last', rcube_utils::INPUT_GPC))));
-}
-
-#rcube::write_log('mail',"task: ".$RCMAIL->task." action: ".$RCMAIL->action);
-// parse main template (default)
-$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);
+/usr/share/roundcube/index.php
\ No newline at end of file