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backpack-connect.php
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backpack-connect.php
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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Connect to backpack site.
*
* @package core_badges
* @copyright 2020 Tung Thai
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @author Tung Thai <[email protected]>
*/
require_once(__DIR__ . '/../config.php');
require_once($CFG->libdir . '/badgeslib.php');
$backpackid = required_param('backpackid', PARAM_INT);
$scope = optional_param('scope', '', PARAM_RAW);
$action = optional_param('action', null, PARAM_RAW);
if (badges_open_badges_backpack_api($backpackid) != OPEN_BADGES_V2P1) {
throw new coding_exception('backpacks only support Open Badges V2.1');
}
require_login();
$externalbackpack = badges_get_site_backpack($backpackid);
$persistedissuer = \core\oauth2\issuer::get_record(['id' => $externalbackpack->oauth2_issuerid]);
if ($persistedissuer) {
$issuer = new \core\oauth2\issuer($externalbackpack->oauth2_issuerid);
$returnurl = new moodle_url('/badges/backpack-connect.php',
['action' => 'authorization', 'sesskey' => sesskey(), 'backpackid' => $backpackid]);
// If scope is not passed as parameter, use the issuer supported scopes.
if (empty($scope)) {
$scope = $issuer->get('scopessupported');
}
$client = new core_badges\oauth2\client($issuer, $returnurl, $scope, $externalbackpack);
if ($client) {
if (!$client->is_logged_in()) {
redirect($client->get_login_url());
}
$wantsurl = new moodle_url('/badges/mybadges.php');
$auth = new \core_badges\oauth2\auth();
$auth->complete_data($client, $wantsurl);
} else {
throw new moodle_exception('Could not get an OAuth client.');
}
} else {
throw new moodle_exception('Unknown OAuth client.');
}