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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle 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
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Logs the user out and sends them to the home page
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*
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* @package core
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* @subpackage auth
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* @copyright 1999 onwards Martin Dougiamas http://dougiamas.com
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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require_once('../config.php');
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$PAGE->set_url('/login/logout.php');
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$PAGE->set_context(context_system::instance());
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$sesskey = optional_param('sesskey', '__notpresent__', PARAM_RAW); // we want not null default to prevent required sesskey warning
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$login = optional_param('loginpage', 0, PARAM_BOOL);
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// can be overridden by auth plugins
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if ($login) {
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$redirect = get_login_url();
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} else {
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$redirect = $CFG->wwwroot.'/';
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}
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if (!isloggedin()) {
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// no confirmation, user has already logged out
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require_logout();
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redirect($redirect);
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} else if (!confirm_sesskey($sesskey)) {
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$PAGE->set_title(get_string('logout'));
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$PAGE->set_heading($SITE->fullname);
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echo $OUTPUT->header();
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echo $OUTPUT->confirm(get_string('logoutconfirm'), new moodle_url($PAGE->url, array('sesskey'=>sesskey())), $CFG->wwwroot.'/');
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echo $OUTPUT->footer();
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die;
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}
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$authsequence = get_enabled_auth_plugins(); // auths, in sequence
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foreach($authsequence as $authname) {
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$authplugin = get_auth_plugin($authname);
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$authplugin->logoutpage_hook();
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}
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require_logout();
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redirect($redirect);
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