See Release Notes
Long Term Support Release
Differences Between: [Versions 401 and 403]
1 <?php 2 // This file is part of Moodle - http://moodle.org/ 3 // 4 // Moodle is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // Moodle is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License 15 // along with Moodle. If not, see <http://www.gnu.org/licenses/>. 16 17 /** 18 * Handle the return back to Moodle from the tool provider 19 * 20 * @package mod_lti 21 * @copyright Copyright (c) 2011 Moodlerooms Inc. (http://www.moodlerooms.com) 22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 23 * @author Chris Scribner 24 */ 25 26 require_once('../../config.php'); 27 require_once($CFG->dirroot.'/mod/lti/lib.php'); 28 require_once($CFG->dirroot.'/mod/lti/locallib.php'); 29 30 $courseid = required_param('course', PARAM_INT); 31 $instanceid = optional_param('instanceid', 0, PARAM_INT); 32 33 $errormsg = optional_param('lti_errormsg', '', PARAM_TEXT); 34 $msg = optional_param('lti_msg', '', PARAM_TEXT); 35 $unsigned = optional_param('unsigned', '0', PARAM_INT); 36 37 $launchcontainer = optional_param('launch_container', LTI_LAUNCH_CONTAINER_WINDOW, PARAM_INT); 38 39 $course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST); 40 $lti = null; 41 $context = null; 42 if (!empty($instanceid)) { 43 $lti = $DB->get_record('lti', array('id' => $instanceid), '*', MUST_EXIST); 44 $cm = get_coursemodule_from_instance('lti', $lti->id, $lti->course, false, MUST_EXIST); 45 $context = context_module::instance($cm->id); 46 } 47 48 49 require_login($course); 50 require_sesskey(); 51 52 if (!empty($errormsg) || !empty($msg)) { 53 $url = new moodle_url('/mod/lti/return.php', array('course' => $courseid)); 54 $PAGE->set_url($url); 55 56 $pagetitle = strip_tags($course->shortname); 57 $PAGE->set_title($pagetitle); 58 $PAGE->set_heading($course->fullname); 59 60 // Avoid frame-in-frame action. 61 if ($launchcontainer == LTI_LAUNCH_CONTAINER_EMBED || $launchcontainer == LTI_LAUNCH_CONTAINER_EMBED_NO_BLOCKS) { 62 $PAGE->set_pagelayout('embedded'); 63 } else { 64 $PAGE->set_pagelayout('incourse'); 65 } 66 67 echo $OUTPUT->header(); 68 if (!empty($lti) and !empty($context)) { 69 echo $OUTPUT->heading(format_string($lti->name, true, array('context' => $context))); 70 } 71 } 72 73 if (!empty($errormsg)) { 74 echo get_string('lti_launch_error', 'lti'); 75 76 p($errormsg); 77 78 if ($unsigned == 1) { 79 80 $contextcourse = context_course::instance($courseid); 81 echo '<br /><br />'; 82 $links = new stdClass(); 83 84 if (has_capability('mod/lti:addcoursetool', $contextcourse)) { 85 $coursetooleditor = new moodle_url('/mod/lti/instructor_edit_tool_type.php', 86 array('course' => $courseid, 'action' => 'add', 'sesskey' => sesskey())); 87 $links->course_tool_editor = $coursetooleditor->out(false); 88 89 echo get_string('lti_launch_error_unsigned_help', 'lti', $links); 90 } 91 92 if (!empty($lti) && has_capability('mod/lti:requesttooladd', $contextcourse)) { 93 $adminrequesturl = new moodle_url('/mod/lti/request_tool.php', array('instanceid' => $lti->id, 'sesskey' => sesskey())); 94 $links->admin_request_url = $adminrequesturl->out(false); 95 96 echo get_string('lti_launch_error_tool_request', 'lti', $links); 97 } 98 } 99 100 echo $OUTPUT->footer(); 101 } else if (!empty($msg)) { 102 103 p($msg); 104 105 echo $OUTPUT->footer(); 106 107 } else { 108 $courseurl = new moodle_url('/course/view.php', array('id' => $courseid)); 109 $url = $courseurl->out(); 110 111 // Avoid frame-in-frame action. 112 if ($launchcontainer == LTI_LAUNCH_CONTAINER_EMBED || $launchcontainer == LTI_LAUNCH_CONTAINER_EMBED_NO_BLOCKS) { 113 // Output a page containing some script to break out of frames and redirect them. 114 115 echo '<html><body>'; 116 117 $script = " 118 <script type=\"text/javascript\"> 119 //<![CDATA[ 120 if(window != top){ 121 top.location.href = '{$url}'; 122 } else { 123 window.location.href = '{$url}'; 124 } 125 //]] 126 </script> 127 "; 128 129 $clickhere = get_string('return_to_course', 'lti', (object)array('link' => $url)); 130 131 $noscript = " 132 <noscript> 133 {$clickhere} 134 </noscript> 135 "; 136 137 echo $script; 138 echo $noscript; 139 140 echo '</body></html>'; 141 } else { 142 // If no error, take them back to the course. 143 redirect($url); 144 } 145 }
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