mirror of
https://github.com/moodle/moodle.git
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118 lines
3.8 KiB
PHP
118 lines
3.8 KiB
PHP
<?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 back to Moodle from the tool provider
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*
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* @package mod
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* @subpackage lti
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* @copyright Copyright (c) 2011 Moodlerooms Inc. (http://www.moodlerooms.com)
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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* @author Chris Scribner
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*/
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require_once('../../config.php');
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require_once($CFG->dirroot.'/mod/lti/lib.php');
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require_once($CFG->dirroot.'/mod/lti/locallib.php');
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$courseid = required_param('course', PARAM_INT);
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$instanceid = required_param('instanceid', PARAM_INT);
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$errormsg = optional_param('lti_errormsg', '', PARAM_RAW);
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$unsigned = optional_param('unsigned', '0', PARAM_INT);
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$launchcontainer = optional_param('launch_container', LTI_LAUNCH_CONTAINER_WINDOW, PARAM_INT);
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$course = $DB->get_record('course', array('id' => $courseid));
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require_login($course);
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if (!empty($errormsg)) {
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$url = new moodle_url('/mod/lti/return.php', array('course' => $courseid));
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$PAGE->set_url($url);
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$pagetitle = strip_tags($course->shortname);
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$PAGE->set_title($pagetitle);
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$PAGE->set_heading($course->fullname);
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//Avoid frame-in-frame action
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if ($launchcontainer == LTI_LAUNCH_CONTAINER_EMBED || $launchcontainer == LTI_LAUNCH_CONTAINER_EMBED_NO_BLOCKS) {
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$PAGE->set_pagelayout('embedded');
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} else {
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$PAGE->set_pagelayout('incourse');
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}
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echo $OUTPUT->header();
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echo get_string('lti_launch_error', 'lti');
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echo htmlspecialchars($errormsg);
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$canaddtools = has_capability('mod/lti:addcoursetool', context_course::instance($courseid));
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if ($unsigned == 1 && $canaddtools) {
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echo '<br /><br />';
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$links = new stdClass();
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$coursetooleditor = new moodle_url('/mod/lti/instructor_edit_tool_type.php', array('course' => $courseid, 'action' => 'add'));
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$links->course_tool_editor = $coursetooleditor->out(false);
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$adminrequesturl = new moodle_url('/mod/lti/request_tool.php', array('instanceid' => $instanceid));
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$links->admin_request_url = $adminrequesturl->out(false);
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echo get_string('lti_launch_error_unsigned_help', 'lti', $links);
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echo get_string('lti_launch_error_tool_request', 'lti', $links);
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}
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echo $OUTPUT->footer();
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} else {
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$courseurl = new moodle_url('/course/view.php', array('id' => $courseid));
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$url = $courseurl->out();
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//Avoid frame-in-frame action
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if ($launchcontainer == LTI_LAUNCH_CONTAINER_EMBED || $launchcontainer == LTI_LAUNCH_CONTAINER_EMBED_NO_BLOCKS) {
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//Output a page containing some script to break out of frames and redirect them
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echo '<html><body>';
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$script = "
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<script type=\"text/javascript\">
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//<![CDATA[
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if(window != top){
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top.location.href = '{$url}';
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}
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//]]
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</script>
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";
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$clickhere = get_string('return_to_course', 'lti', (object)array('link' => $url));
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$noscript = "
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<noscript>
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{$clickhere}
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</noscript>
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";
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echo $script;
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echo $noscript;
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echo '</body></html>';
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} else {
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//If no error, take them back to the course
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redirect($url);
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}
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}
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