From ced34cb15e095836767971aa4d27b141fb1d7ec9 Mon Sep 17 00:00:00 2001 From: Aleksander Machniak <alec@alec.pl> Date: Sat, 18 Oct 2014 08:47:54 -0400 Subject: [PATCH] Merge pull request #230 from bytesatwork-xx/master --- index.php | 453 ++++++++++++++++++++++++++++++++----------------------- 1 files changed, 263 insertions(+), 190 deletions(-) diff --git a/index.php b/index.php index 7c2d230..5ca2af6 100644 --- a/index.php +++ b/index.php @@ -1,261 +1,334 @@ <?php /* +-------------------------------------------------------------------------+ - | RoundCube Webmail IMAP Client | - | Version 0.3-20090419 | + | Roundcube Webmail IMAP Client | + | Version 1.1-git | | | - | Copyright (C) 2005-2009, RoundCube Dev. - Switzerland | + | Copyright (C) 2005-2014, 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 version 2 | - | as published by the Free Software Foundation. | + | 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 | + | 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. | + | 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> | +-------------------------------------------------------------------------+ - - $Id$ - */ // include environment require_once 'program/include/iniset.php'; -// init application and start session with requested task -$RCMAIL = rcmail::get_instance(); +// init application, start session, init output class, etc. +$RCMAIL = rcmail::get_instance($GLOBALS['env']); -// init output class -$OUTPUT = !empty($_REQUEST['_remote']) ? $RCMAIL->init_json() : $RCMAIL->load_gui(!empty($_REQUEST['_framed'])); +// Make the whole PHP output non-cacheable (#1487797) +$RCMAIL->output->nocacheing_headers(); +$RCMAIL->output->common_headers(); -// init plugin API -$RCMAIL->plugins->init(); - -// set output buffering -if ($RCMAIL->action != 'get' && $RCMAIL->action != 'viewsource') { - // use gzip compression if supported - if (function_exists('ob_gzhandler') - && !ini_get('zlib.output_compression') - && ini_get('output_handler') != 'ob_gzhandler') { - ob_start('ob_gzhandler'); - } - else { - ob_start(); - } -} +// turn on output buffering +ob_start(); // check if config files had errors if ($err_str = $RCMAIL->config->get_error()) { - raise_error(array( - 'code' => 601, - 'type' => 'php', - 'message' => $err_str), false, true); + rcmail::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' => 603, - 'type' => 'db', - 'message' => $err_str), FALSE, TRUE); +if ($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($_GET['_code'])) { - raise_error(array('code' => hexdec($_GET['_code'])), FALSE, TRUE); +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->action=='login' && $RCMAIL->task=='mail') { - // purge the session in case of new login when a session already exists - $RCMAIL->kill_session(); - - $auth = $RCMAIL->plugins->exec_hook('authenticate', array( - 'host' => $RCMAIL->autoselect_host(), - 'user' => trim(get_input_value('_user', RCUBE_INPUT_POST)), - )) + array('pass' => get_input_value('_pass', RCUBE_INPUT_POST, true, 'ISO-8859-1')); +if ($RCMAIL->task == 'login' && $RCMAIL->action == 'login') { + $request_valid = $_SESSION['temp'] && $RCMAIL->check_request(rcube_utils::INPUT_POST, 'login'); - // check if client supports cookies - if (empty($_COOKIE)) { - $OUTPUT->show_message("cookiesdisabled", 'warning'); - } - else if ($_SESSION['temp'] && !empty($auth['user']) && !empty($auth['host']) && isset($auth['pass']) && - $RCMAIL->login($auth['user'], $auth['pass'], $auth['host'])) { - // create new session ID - unset($_SESSION['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 - $OUTPUT->redirect($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'])); + // 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 { + $error_code = is_numeric($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', + ); + + $error_message = !empty($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' || $RCMAIL->action=='logout') && isset($_SESSION['user_id'])) { - $OUTPUT->show_message('loggedout'); - $RCMAIL->logout_actions(); - $RCMAIL->kill_session(); +// end session (after optional referer check) +else if ($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->action != 'login' && $_SESSION['user_id'] && $RCMAIL->action != 'send') { - if (!$RCMAIL->authenticate_session()) { - $OUTPUT->show_message('sessionerror', 'error'); - $RCMAIL->kill_session(); - } +else if ($RCMAIL->task != 'login' && $_SESSION['user_id']) { + if (!$RCMAIL->session->check_auth()) { + $RCMAIL->kill_session(); + $session_error = true; + } } - - -// check client X-header to verify request origin -if ($OUTPUT->ajax_call) { - if (!$RCMAIL->config->get('devel_mode') && !rc_request_header('X-RoundCube-Referer')) { - header('HTTP/1.1 404 Not Found'); - die("Invalid Request"); - } -} - // not logged in -> show login page if (empty($RCMAIL->user->ID)) { - - if ($OUTPUT->ajax_call) - $OUTPUT->redirect(array(), 2000); - - // check if installer is still active - if ($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'); + // 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']); +} +// 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); + } + } + + // check access to disabled actions + $disabled_actions = (array) $RCMAIL->config->get('disabled_actions'); + if (in_array($RCMAIL->task . '.' . ($RCMAIL->action ?: 'index'), $disabled_actions)) { + rcube::raise_error(array( + 'code' => 403, 'type' => 'php', + 'message' => "Action disabled"), true, true); + } } +// we're ready, user is authenticated and the request is safe +$plugin = $RCMAIL->plugins->exec_hook('ready', array('task' => $RCMAIL->task, 'action' => $RCMAIL->action)); +$RCMAIL->set_task($plugin['task']); +$RCMAIL->action = $plugin['action']; -// handle keep-alive signal +// handle special actions if ($RCMAIL->action == 'keep-alive') { - $OUTPUT->reset(); - $OUTPUT->send(); + $OUTPUT->reset(); + $RCMAIL->plugins->exec_hook('keep_alive', array()); + $OUTPUT->send(); } -// save preference value else if ($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(); - $OUTPUT->send(); + include INSTALL_PATH . 'program/steps/utils/save_pref.inc'; } - -// map task/action to a certain include file -$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', - ), - - 'addressbook' => array( - 'add' => 'edit.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', - ) -); // include task specific functions -include_once 'program/steps/'.$RCMAIL->task.'/func.inc'; +if (is_file($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) { - $stepfile = !empty($action_map[$RCMAIL->task][$RCMAIL->action]) ? - $action_map[$RCMAIL->task][$RCMAIL->action] : strtr($RCMAIL->action, '-', '_') . '.inc'; - - // execute a plugin action - if (eregi('^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; - } + // 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 -raise_error(array( - 'code' => 404, - 'type' => 'php', - 'line' => __LINE__, - 'file' => __FILE__, - 'message' => "Invalid request"), true, true); - -?> +rcmail::raise_error(array( + 'code' => 404, + 'type' => 'php', + 'line' => __LINE__, + 'file' => __FILE__, + 'message' => "Invalid request"), true, true); -- Gitblit v1.9.1