<?php /* * Laconica - a distributed open-source microblogging tool * Copyright (C) 2008, Controlez-Vous, Inc. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ if (!defined('LACONICA')) { exit(1); } class LoginAction extends Action { function handle($args) { parent::handle($args); if (common_logged_in()) { common_user_error(_t('Already logged in.')); } else if ($_SERVER['REQUEST_METHOD'] == 'POST') { $this->check_login(); } else { $this->show_form(); } } function check_login() { # XXX: form token in $_SESSION to prevent XSS # XXX: login throttle $nickname = $this->arg('nickname'); $password = $this->arg('password'); if (common_check_user($nickname, $password)) { # success! if (!common_set_user($nickname)) { common_server_error(_t('Error setting user.')); return; } # success! $url = common_get_returnto(); if ($url) { # We don't have to return to it again common_set_returnto(NULL); } else { $url = common_local_url('all', array('nickname' => $nickname)); } common_redirect($url); } else { $this->show_form(_t('Incorrect username or password.')); } } function show_form($error=NULL) { common_show_header(_t('Login')); if (!is_null($error)) { common_element('div', array('class' => 'error'), $msg); } common_element_start('form', array('method' => 'POST', 'id' => 'login', 'action' => common_local_url('login'))); common_input('nickname', _t('Nickname')); common_password('password', _t('Password')); common_submit('submit', _t('Login')); common_element_end('form'); common_show_footer(); } }