| | |
| | | /* |
| | | +-------------------------------------------------------------------------+ |
| | | | Roundcube Webmail IMAP Client | |
| | | | Version 0.6-svn | |
| | | | Version 0.8.6 | |
| | | | | |
| | | | Copyright (C) 2005-2011, The Roundcube Dev Team | |
| | | | Copyright (C) 2005-2012, 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> | |
| | |
| | | // init application, start session, init output class, etc. |
| | | $RCMAIL = rcmail::get_instance(); |
| | | |
| | | // Make the whole PHP output non-cacheable (#1487797) |
| | | send_nocacheing_headers(); |
| | | |
| | | // turn on output buffering |
| | | ob_start(); |
| | | |
| | |
| | | } |
| | | |
| | | // check DB connections and exit on failure |
| | | if ($err_str = $DB->is_error()) { |
| | | if ($err_str = $RCMAIL->db->is_error()) { |
| | | raise_error(array( |
| | | 'code' => 603, |
| | | 'type' => 'db', |
| | |
| | | 'valid' => $request_valid, |
| | | )); |
| | | |
| | | // check if client supports cookies |
| | | if ($auth['cookiecheck'] && empty($_COOKIE)) { |
| | | $OUTPUT->show_message("cookiesdisabled", 'warning'); |
| | | } |
| | | else if ($auth['valid'] && !$auth['abort'] && |
| | | !empty($auth['host']) && !empty($auth['user']) && |
| | | $RCMAIL->login($auth['user'], $auth['pass'], $auth['host']) |
| | | // Login |
| | | if ($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 $RCMAIL->kill_session() above |
| | |
| | | // prevent endless looping on login page |
| | | if ($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 |
| | |
| | | $OUTPUT->redirect($redir); |
| | | } |
| | | else { |
| | | $error_code = is_object($IMAP) ? $IMAP->get_error_code() : -1; |
| | | if (!$auth['valid']) { |
| | | $error_code = RCMAIL::ERROR_INVALID_REQUEST; |
| | | } |
| | | else { |
| | | $error_code = $auth['error'] ? $auth['error'] : $RCMAIL->login_error(); |
| | | } |
| | | |
| | | $OUTPUT->show_message($error_code < -1 ? 'imaperror' : (!$auth['valid'] ? 'invalidrequest' : 'loginfailed'), 'warning'); |
| | | $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_check_referer())) { |
| | | $userdata = array('user' => $_SESSION['username'], 'host' => $_SESSION['imap_host'], 'lang' => $RCMAIL->user->language); |
| | | $userdata = array( |
| | | 'user' => $_SESSION['username'], |
| | | 'host' => $_SESSION['storage_host'], |
| | | 'lang' => $RCMAIL->user->language, |
| | | ); |
| | | $OUTPUT->show_message('loggedout'); |
| | | $RCMAIL->logout_actions(); |
| | | $RCMAIL->kill_session(); |
| | |
| | | // not logged in -> show login page |
| | | if (empty($RCMAIL->user->ID)) { |
| | | // log session failures |
| | | if ($RCMAIL->task != 'login' && !$session_error && ($sess_id = $_COOKIE[ini_get('session.name')])) { |
| | | if (($task = get_input_value('_task', RCUBE_INPUT_GPC)) && !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); |
| | | |
| | | $RCMAIL->set_task('login'); |
| | | $OUTPUT->send('login'); |
| | | $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); |
| | | $request_check_whitelist = array('login'=>1, 'spell'=>1, 'spell_html'=>1); |
| | | |
| | | // check client X-header to verify request origin |
| | | if ($OUTPUT->ajax_call) { |
| | | if (rc_request_header('X-Roundcube-Request') != $RCMAIL->get_request_token() && !$RCMAIL->config->get('devel_mode')) { |
| | | header('HTTP/1.1 404 Not Found'); |
| | | die("Invalid Request"); |
| | | if (!$request_check_whitelist[$RCMAIL->action]) { |
| | | // check client X-header to verify request origin |
| | | if ($OUTPUT->ajax_call) { |
| | | if (rc_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 ($RCMAIL->config->get('referer_check') && !rcube_check_referer()) { |
| | | raise_error(array( |
| | | 'code' => 403, 'type' => 'php', |
| | | 'message' => "Referer check failed"), true, true); |
| | | } |
| | | } |
| | | // check request token in POST form submissions |
| | | else if (!empty($_POST) && !$request_check_whitelist[$RCMAIL->action] && !$RCMAIL->check_request()) { |
| | | $OUTPUT->show_message('invalidrequest', 'error'); |
| | | $OUTPUT->send($RCMAIL->task); |
| | | } |
| | | |
| | | // check referer if configured |
| | | if (!$request_check_whitelist[$RCMAIL->action] && $RCMAIL->config->get('referer_check') && !rcube_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(); |