2 // This file is part of Moodle - http://moodle.org/
4 // Moodle is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation, either version 3 of the License, or
7 // (at your option) any later version.
9 // Moodle is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License
15 // along with Moodle. If not, see <http://www.gnu.org/licenses/>.
18 * LTI Authentication plugin.
21 * @copyright 2016 Mark Nelson <markn@moodle.com>
22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
25 defined('MOODLE_INTERNAL') ||
die();
27 require_once($CFG->libdir
.'/authlib.php');
30 * LTI Authentication plugin.
33 * @copyright 2016 Mark Nelson <markn@moodle.com>
34 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
36 class auth_plugin_lti
extends auth_plugin_base
{
41 public function __construct() {
42 $this->authtype
= 'lti';
46 * Users can not log in via the traditional login form.
48 * @param string $username The username
49 * @param string $password The password
50 * @return bool Authentication success or failure
52 public function user_login($username, $password) {