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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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* Connect to backpack site.
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*
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* @package core_badges
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* @copyright 2020 Tung Thai
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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* @author Tung Thai <Tung.ThaiDuc@nashtechglobal.com>
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*/
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require_once(__DIR__ . '/../config.php');
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require_once($CFG->libdir . '/badgeslib.php');
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$backpackid = required_param('backpackid', PARAM_INT);
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$scope = optional_param('scope', '', PARAM_RAW);
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$action = optional_param('action', null, PARAM_RAW);
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if (badges_open_badges_backpack_api($backpackid) != OPEN_BADGES_V2P1) {
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throw new coding_exception('backpacks only support Open Badges V2.1');
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}
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require_login();
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$externalbackpack = badges_get_site_backpack($backpackid);
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$persistedissuer = \core\oauth2\issuer::get_record(['id' => $externalbackpack->oauth2_issuerid]);
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if ($persistedissuer) {
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$issuer = new \core\oauth2\issuer($externalbackpack->oauth2_issuerid);
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$returnurl = new moodle_url('/badges/backpack-connect.php',
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['action' => 'authorization', 'sesskey' => sesskey(), 'backpackid' => $backpackid]);
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// If scope is not passed as parameter, use the issuer supported scopes.
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if (empty($scope)) {
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$scope = $issuer->get('scopessupported');
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}
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$client = new core_badges\oauth2\client($issuer, $returnurl, $scope, $externalbackpack);
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if ($client) {
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if (!$client->is_logged_in()) {
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redirect($client->get_login_url());
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}
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$wantsurl = new moodle_url('/badges/mybadges.php');
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$auth = new \core_badges\oauth2\auth();
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$auth->complete_data($client, $wantsurl);
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} else {
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throw new moodle_exception('Could not get an OAuth client.');
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}
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} else {
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throw new moodle_exception('Unknown OAuth client.');
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}
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