| | Author: Aleksander Machniak | +-------------------------------------------------------------------------+ */ // 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 = $RCMAIL->config->get('force_https', false))) { // force_https can be true, , :, if (!is_bool($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 $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(); $session_error = 'sessionerror'; } } // not logged in -> show login page if (empty($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 remove the whole installer 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 installer script 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);