You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
61 lines
2.1 KiB
61 lines
2.1 KiB
<?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/>.
|
|
|
|
/**
|
|
* Generates an XML IMS Cartridge with the details for the given tool
|
|
*
|
|
* @package enrol_lti
|
|
* @copyright 2016 John Okely <john@moodle.com>
|
|
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
*/
|
|
|
|
require_once(dirname(__FILE__) . '/../../config.php');
|
|
require_once($CFG->dirroot . '/lib/weblib.php');
|
|
|
|
$toolid = null;
|
|
$token = null;
|
|
|
|
$filearguments = get_file_argument();
|
|
$arguments = explode('/', trim($filearguments, '/'));
|
|
if (count($arguments) >= 2) { // Can put cartridge.xml at the end, or anything really.
|
|
list($toolid, $token) = $arguments;
|
|
}
|
|
|
|
$toolid = optional_param('id', $toolid, PARAM_INT);
|
|
$token = optional_param('token', $token, PARAM_ALPHANUM);
|
|
|
|
// Only show the cartridge if the token parameter is correct.
|
|
// If we do not compare with a shared secret, someone could very easily
|
|
// guess an id for the enrolment.
|
|
if (!\enrol_lti\helper::verify_cartridge_token($toolid, $token)) {
|
|
throw new \moodle_exception('incorrecttoken', 'enrol_lti');
|
|
}
|
|
|
|
$tool = \enrol_lti\helper::get_lti_tool($toolid);
|
|
|
|
if (!is_enabled_auth('lti')) {
|
|
print_error('pluginnotenabled', 'auth', '', get_string('pluginname', 'auth_lti'));
|
|
|
|
} else if (!enrol_is_enabled('lti')) {
|
|
print_error('enrolisdisabled', 'enrol_lti');
|
|
|
|
} else if ($tool->status != ENROL_INSTANCE_ENABLED) {
|
|
print_error('enrolisdisabled', 'enrol_lti');
|
|
|
|
} else {
|
|
header('Content-Type: text/xml; charset=utf-8');
|
|
echo \enrol_lti\helper::create_cartridge($toolid);
|
|
}
|
|
|