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 * Connect to backpack site.
20 * @package core_badges
21 * @copyright 2020 Tung Thai
22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
23 * @author Tung Thai <Tung.ThaiDuc@nashtechglobal.com>
26 require_once(__DIR__
. '/../config.php');
27 require_once($CFG->libdir
. '/badgeslib.php');
29 $scope = optional_param('scope', '', PARAM_RAW
);
30 $action = optional_param('action', null, PARAM_RAW
);
32 if (badges_open_badges_backpack_api() != OPEN_BADGES_V2P1
) {
33 throw new coding_exception('backpacks only support Open Badges V2.1');
38 $externalbackpack = badges_get_site_backpack($CFG->badges_site_backpack
);
39 $persistedissuer = \core\oauth2\issuer
::get_record(['id' => $externalbackpack->oauth2_issuerid
]);
40 if ($persistedissuer) {
41 $issuer = new \core\oauth2\
issuer($externalbackpack->oauth2_issuerid
);
42 $returnurl = new moodle_url('/badges/backpack-connect.php',
43 ['action' => 'authorization', 'sesskey' => sesskey()]);
45 // If scope is not passed as parameter, use the issuer supported scopes.
47 $scope = $issuer->get('scopessupported');
49 $client = new core_badges\oauth2\
client($issuer, $returnurl, $scope, $externalbackpack);
51 if (!$client->is_logged_in()) {
52 redirect($client->get_login_url());
54 $wantsurl = new moodle_url('/badges/mybadges.php');
55 $auth = new \core_badges\oauth2\auth
();
56 $auth->complete_data($client, $wantsurl);
58 throw new moodle_exception('Could not get an OAuth client.');
61 throw new moodle_exception('Unknown OAuth client.');