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<?php |
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/* |
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+-------------------------------------------------------------------------+ |
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| Roundcube Webmail IMAP Client | |
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| Version 0.7-beta2 | |
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| | |
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| Copyright (C) 2005-2011, The Roundcube Dev Team | |
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| | |
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| This program is free software; you can redistribute it and/or modify | |
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| it under the terms of the GNU General Public License version 2 | |
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| as published by the Free Software Foundation. | |
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| | |
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| This program is distributed in the hope that it will be useful, | |
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| but WITHOUT ANY WARRANTY; without even the implied warranty of | |
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
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| GNU General Public License for more details. | |
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| | |
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| You should have received a copy of the GNU General Public License along | |
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| with this program; if not, write to the Free Software Foundation, Inc., | |
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| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
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| | |
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+-------------------------------------------------------------------------+ |
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| Author: Thomas Bruederli <roundcube@gmail.com> | |
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+-------------------------------------------------------------------------+ |
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$Id$ |
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*/ |
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// include environment |
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require_once 'program/include/iniset.php'; |
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// init application, start session, init output class, etc. |
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$RCMAIL = rcmail::get_instance(); |
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// Make the whole PHP output non-cacheable (#1487797) |
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send_nocacheing_headers(); |
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// turn on output buffering |
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ob_start(); |
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// check if config files had errors |
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if ($err_str = $RCMAIL->config->get_error()) { |
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raise_error(array( |
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'code' => 601, |
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'type' => 'php', |
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'message' => $err_str), false, true); |
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} |
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// check DB connections and exit on failure |
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if ($err_str = $DB->is_error()) { |
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raise_error(array( |
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'code' => 603, |
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'type' => 'db', |
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'message' => $err_str), FALSE, TRUE); |
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} |
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// error steps |
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if ($RCMAIL->action=='error' && !empty($_GET['_code'])) { |
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raise_error(array('code' => hexdec($_GET['_code'])), FALSE, TRUE); |
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} |
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// check if https is required (for login) and redirect if necessary |
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if (empty($_SESSION['user_id']) && ($force_https = $RCMAIL->config->get('force_https', false))) { |
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$https_port = is_bool($force_https) ? 443 : $force_https; |
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if (!rcube_https_check($https_port)) { |
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$host = preg_replace('/:[0-9]+$/', '', $_SERVER['HTTP_HOST']); |
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$host .= ($https_port != 443 ? ':' . $https_port : ''); |
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header('Location: https://' . $host . $_SERVER['REQUEST_URI']); |
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exit; |
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} |
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} |
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// trigger startup plugin hook |
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$startup = $RCMAIL->plugins->exec_hook('startup', array('task' => $RCMAIL->task, 'action' => $RCMAIL->action)); |
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$RCMAIL->set_task($startup['task']); |
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$RCMAIL->action = $startup['action']; |
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// try to log in |
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if ($RCMAIL->task == 'login' && $RCMAIL->action == 'login') { |
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$request_valid = $_SESSION['temp'] && $RCMAIL->check_request(RCUBE_INPUT_POST, 'login'); |
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// purge the session in case of new login when a session already exists |
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$RCMAIL->kill_session(); |
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$auth = $RCMAIL->plugins->exec_hook('authenticate', array( |
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'host' => $RCMAIL->autoselect_host(), |
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'user' => trim(get_input_value('_user', RCUBE_INPUT_POST)), |
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'pass' => get_input_value('_pass', RCUBE_INPUT_POST, true, |
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$RCMAIL->config->get('password_charset', 'ISO-8859-1')), |
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'cookiecheck' => true, |
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'valid' => $request_valid, |
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)); |
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// check if client supports cookies |
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if ($auth['cookiecheck'] && empty($_COOKIE)) { |
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$OUTPUT->show_message("cookiesdisabled", 'warning'); |
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} |
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else if ($auth['valid'] && !$auth['abort'] && |
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!empty($auth['host']) && !empty($auth['user']) && |
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$RCMAIL->login($auth['user'], $auth['pass'], $auth['host']) |
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) { |
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// create new session ID, don't destroy the current session |
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// it was destroyed already by $RCMAIL->kill_session() above |
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$RCMAIL->session->remove('temp'); |
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$RCMAIL->session->regenerate_id(false); |
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// send auth cookie if necessary |
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$RCMAIL->session->set_auth_cookie(); |
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// log successful login |
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rcmail_log_login(); |
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// restore original request parameters |
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$query = array(); |
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if ($url = get_input_value('_url', RCUBE_INPUT_POST)) { |
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parse_str($url, $query); |
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// prevent endless looping on login page |
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if ($query['_task'] == 'login') |
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unset($query['_task']); |
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} |
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// allow plugins to control the redirect url after login success |
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$redir = $RCMAIL->plugins->exec_hook('login_after', $query + array('_task' => 'mail')); |
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unset($redir['abort'], $redir['_err']); |
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// send redirect |
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$OUTPUT->redirect($redir); |
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} |
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else { |
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$error_code = is_object($IMAP) ? $IMAP->get_error_code() : -1; |
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$OUTPUT->show_message($error_code < -1 ? 'imaperror' : (!$auth['valid'] ? 'invalidrequest' : 'loginfailed'), 'warning'); |
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$RCMAIL->plugins->exec_hook('login_failed', array( |
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'code' => $error_code, 'host' => $auth['host'], 'user' => $auth['user'])); |
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$RCMAIL->kill_session(); |
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} |
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} |
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// end session (after optional referer check) |
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else if ($RCMAIL->task == 'logout' && isset($_SESSION['user_id']) && (!$RCMAIL->config->get('referer_check') || rcube_check_referer())) { |
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$userdata = array('user' => $_SESSION['username'], 'host' => $_SESSION['imap_host'], 'lang' => $RCMAIL->user->language); |
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$OUTPUT->show_message('loggedout'); |
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$RCMAIL->logout_actions(); |
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$RCMAIL->kill_session(); |
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$RCMAIL->plugins->exec_hook('logout_after', $userdata); |
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} |
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// check session and auth cookie |
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else if ($RCMAIL->task != 'login' && $_SESSION['user_id'] && $RCMAIL->action != 'send') { |
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if (!$RCMAIL->session->check_auth()) { |
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$RCMAIL->kill_session(); |
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$session_error = true; |
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} |
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} |
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// not logged in -> show login page |
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if (empty($RCMAIL->user->ID)) { |
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// log session failures |
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if (($task = get_input_value('_task', RCUBE_INPUT_GPC)) && !in_array($task, array('login','logout')) && !$session_error && ($sess_id = $_COOKIE[ini_get('session.name')])) { |
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$RCMAIL->session->log("Aborted session " . $sess_id . "; no valid session data found"); |
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$session_error = true; |
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} |
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if ($OUTPUT->ajax_call) |
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$OUTPUT->redirect(array('_err' => 'session'), 2000); |
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if (!empty($_REQUEST['_framed'])) |
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$OUTPUT->command('redirect', $RCMAIL->url(array('_err' => 'session'))); |
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// check if installer is still active |
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if ($RCMAIL->config->get('enable_installer') && is_readable('./installer/index.php')) { |
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$OUTPUT->add_footer(html::div(array('style' => "background:#ef9398; border:2px solid #dc5757; padding:0.5em; margin:2em auto; width:50em"), |
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html::tag('h2', array('style' => "margin-top:0.2em"), "Installer script is still accessible") . |
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html::p(null, "The install script of your Roundcube installation is still stored in its default location!") . |
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html::p(null, "Please <b>remove</b> the whole <tt>installer</tt> folder from the Roundcube directory because . |
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these files may expose sensitive configuration data like server passwords and encryption keys |
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to the public. Make sure you cannot access the <a href=\"./installer/\">installer script</a> from your browser.") |
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) |
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); |
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} |
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if ($session_error || $_REQUEST['_err'] == 'session') |
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$OUTPUT->show_message('sessionerror', 'error', null, true, -1); |
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$RCMAIL->set_task('login'); |
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$OUTPUT->send('login'); |
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} |
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// CSRF prevention |
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else { |
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// don't check for valid request tokens in these actions |
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$request_check_whitelist = array('login'=>1, 'spell'=>1); |
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// check client X-header to verify request origin |
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if ($OUTPUT->ajax_call) { |
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if (rc_request_header('X-Roundcube-Request') != $RCMAIL->get_request_token() && !$RCMAIL->config->get('devel_mode')) { |
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header('HTTP/1.1 403 Forbidden'); |
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die("Invalid Request"); |
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} |
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} |
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// check request token in POST form submissions |
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else if (!empty($_POST) && !$request_check_whitelist[$RCMAIL->action] && !$RCMAIL->check_request()) { |
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$OUTPUT->show_message('invalidrequest', 'error'); |
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$OUTPUT->send($RCMAIL->task); |
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} |
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// check referer if configured |
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if (!$request_check_whitelist[$RCMAIL->action] && $RCMAIL->config->get('referer_check') && !rcube_check_referer()) { |
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raise_error(array( |
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'code' => 403, |
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'type' => 'php', |
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'message' => "Referer check failed"), true, true); |
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} |
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} |
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// we're ready, user is authenticated and the request is safe |
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$plugin = $RCMAIL->plugins->exec_hook('ready', array('task' => $RCMAIL->task, 'action' => $RCMAIL->action)); |
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$RCMAIL->set_task($plugin['task']); |
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$RCMAIL->action = $plugin['action']; |
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// handle special actions |
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if ($RCMAIL->action == 'keep-alive') { |
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$OUTPUT->reset(); |
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$RCMAIL->plugins->exec_hook('keep_alive', array()); |
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$OUTPUT->send(); |
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} |
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else if ($RCMAIL->action == 'save-pref') { |
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include INSTALL_PATH . 'program/steps/utils/save_pref.inc'; |
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} |
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// include task specific functions |
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if (is_file($incfile = INSTALL_PATH . 'program/steps/'.$RCMAIL->task.'/func.inc')) |
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include_once $incfile; |
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// allow 5 "redirects" to another action |
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$redirects = 0; $incstep = null; |
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while ($redirects < 5) { |
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// execute a plugin action |
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if ($RCMAIL->plugins->is_plugin_task($RCMAIL->task)) { |
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if (!$RCMAIL->action) $RCMAIL->action = 'index'; |
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$RCMAIL->plugins->exec_action($RCMAIL->task.'.'.$RCMAIL->action); |
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break; |
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} |
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else if (preg_match('/^plugin\./', $RCMAIL->action)) { |
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$RCMAIL->plugins->exec_action($RCMAIL->action); |
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break; |
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} |
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// try to include the step file |
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else if (($stepfile = $RCMAIL->get_action_file()) |
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&& is_file($incfile = INSTALL_PATH . 'program/steps/'.$RCMAIL->task.'/'.$stepfile) |
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) { |
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include $incfile; |
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$redirects++; |
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} |
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else { |
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break; |
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} |
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} |
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// parse main template (default) |
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$OUTPUT->send($RCMAIL->task); |
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// if we arrive here, something went wrong |
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raise_error(array( |
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'code' => 404, |
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'type' => 'php', |
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'line' => __LINE__, |
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'file' => __FILE__, |
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'message' => "Invalid request"), true, true); |
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