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 * This file returns an array of available public keys for the LTI 1.3 tool.
21 * @copyright 2021 Jake Dallimore <jrhdallimore@gmail.com>
22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
25 use Packback\Lti1p3\JwksEndpoint
;
27 define('NO_DEBUG_DISPLAY', true);
28 define('NO_MOODLE_COOKIES', true);
30 require_once(__DIR__
. '/../../config.php');
32 $privatekey = get_config('enrol_lti', 'lti_13_privatekey');
33 $key = get_config('enrol_lti', 'lti_13_kid');
34 $keyendpoint = JwksEndpoint
::new([$key => $privatekey]);
36 @header
('Content-Type: application/json; charset=utf-8');
37 echo json_encode($keyendpoint->getPublicJwks());