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91 lines
3.2 KiB
91 lines
3.2 KiB
2 years ago
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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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* Handle the return from the Tool Provider after selecting a content item.
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*
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* @package mod_lti
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* @copyright 2015 Vital Source Technologies http://vitalsource.com
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* @author Stephen Vickers
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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require_once('../../config.php');
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require_once($CFG->dirroot . '/mod/lti/locallib.php');
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$id = required_param('id', PARAM_INT);
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$courseid = required_param('course', PARAM_INT);
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$jwt = optional_param('JWT', '', PARAM_RAW);
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if (!empty($jwt)) {
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$params = lti_convert_from_jwt($id, $jwt);
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$consumerkey = $params['oauth_consumer_key'] ?? '';
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$messagetype = $params['lti_message_type'] ?? '';
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$version = $params['lti_version'] ?? '';
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$items = $params['content_items'] ?? '';
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$errormsg = $params['lti_errormsg'] ?? '';
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$msg = $params['lti_msg'] ?? '';
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} else {
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$consumerkey = required_param('oauth_consumer_key', PARAM_RAW);
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$messagetype = required_param('lti_message_type', PARAM_TEXT);
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$version = required_param('lti_version', PARAM_TEXT);
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$items = optional_param('content_items', '', PARAM_RAW);
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$errormsg = optional_param('lti_errormsg', '', PARAM_TEXT);
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$msg = optional_param('lti_msg', '', PARAM_TEXT);
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lti_verify_oauth_signature($id, $consumerkey);
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}
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$course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);
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require_login($course);
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require_sesskey();
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$context = context_course::instance($courseid);
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require_capability('moodle/course:manageactivities', $context);
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require_capability('mod/lti:addcoursetool', $context);
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$redirecturl = null;
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$returndata = null;
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if (empty($errormsg) && !empty($items)) {
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try {
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$returndata = lti_tool_configuration_from_content_item($id, $messagetype, $version, $consumerkey, $items);
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} catch (moodle_exception $e) {
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$errormsg = $e->getMessage();
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}
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}
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$pageurl = new moodle_url('/mod/lti/contentitem_return.php');
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$PAGE->set_url($pageurl);
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$PAGE->set_pagelayout('popup');
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echo $OUTPUT->header();
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// Call JS module to redirect the user to the course page or close the dialogue on error/cancel.
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$PAGE->requires->js_call_amd('mod_lti/contentitem_return', 'init', [$returndata]);
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echo $OUTPUT->footer();
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// Add messages to notification stack for rendering later.
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if ($errormsg) {
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// Content item selection has encountered an error.
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\core\notification::error($errormsg);
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} else if (!empty($returndata)) {
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// Means success.
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if (!$msg) {
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$msg = get_string('successfullyfetchedtoolconfigurationfromcontent', 'lti');
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}
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\core\notification::success($msg);
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}
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