MDL-20534 lti: A4, add some todos towards unified Oauth
[moodle.git] / mod / lti / launch.php
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67ddf847 1<?php
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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//
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17// This file is part of BasicLTI4Moodle
18//
19// BasicLTI4Moodle is an IMS BasicLTI (Basic Learning Tools for Interoperability)
20// consumer for Moodle 1.9 and Moodle 2.0. BasicLTI is a IMS Standard that allows web
21// based learning tools to be easily integrated in LMS as native ones. The IMS BasicLTI
22// specification is part of the IMS standard Common Cartridge 1.1 Sakai and other main LMS
23// are already supporting or going to support BasicLTI. This project Implements the consumer
24// for Moodle. Moodle is a Free Open source Learning Management System by Martin Dougiamas.
25// BasicLTI4Moodle is a project iniciated and leaded by Ludo(Marc Alier) and Jordi Piguillem
26// at the GESSI research group at UPC.
27// SimpleLTI consumer for Moodle is an implementation of the early specification of LTI
28// by Charles Severance (Dr Chuck) htp://dr-chuck.com , developed by Jordi Piguillem in a
29// Google Summer of Code 2008 project co-mentored by Charles Severance and Marc Alier.
30//
31// BasicLTI4Moodle is copyright 2009 by Marc Alier Forment, Jordi Piguillem and Nikolas Galanis
32// of the Universitat Politecnica de Catalunya http://www.upc.edu
33// Contact info: Marc Alier Forment granludo @ gmail.com or marc.alier @ upc.edu
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34
35/**
36 * This file contains all necessary code to view a basiclti activity instance
37 *
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38 * @package mod
39 * @subpackage lti
40 * @copyright 2009 Marc Alier, Jordi Piguillem, Nikolas Galanis
67ddf847 41 * marc.alier@upc.edu
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42 * @copyright 2009 Universitat Politecnica de Catalunya http://www.upc.edu
43 * @author Marc Alier
44 * @author Jordi Piguillem
45 * @author Nikolas Galanis
46 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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47 */
48
49require_once("../../config.php");
50require_once($CFG->dirroot.'/mod/lti/lib.php');
51require_once($CFG->dirroot.'/mod/lti/locallib.php');
52
53$id = optional_param('id', 0, PARAM_INT); // Course Module ID, or
54
55if ($id) {
56 if (! $cm = $DB->get_record("course_modules", array("id" => $id))) {
57 throw new moodle_exception('generalexceptionmessage', 'error', '', 'Course Module ID was incorrect');
58 }
59
60 if (! $course = $DB->get_record("course", array("id" => $cm->course))) {
61 throw new moodle_exception('generalexceptionmessage', 'error', '', 'Course is misconfigured');
62 }
63
64 if (! $basiclti = $DB->get_record("lti", array("id" => $cm->instance))) {
65 throw new moodle_exception('generalexceptionmessage', 'error', '', 'Course module is incorrect');
66 }
67
68} else {
69 if (! $basiclti = $DB->get_record("lti", array("id" => $a))) {
70 throw new moodle_exception('generalexceptionmessage', 'error', '', 'Course module is incorrect');
71 }
72 if (! $course = $DB->get_record("course", array("id" => $basiclti->course))) {
73 throw new moodle_exception('generalexceptionmessage', 'error', '', 'Course is misconfigured');
74 }
75 if (! $cm = get_coursemodule_from_instance("lti", $basiclti->id, $course->id)) {
76 throw new moodle_exception('generalexceptionmessage', 'error', '', 'Course Module ID was incorrect');
77 }
78}
79
80require_login($course);
81
82add_to_log($course->id, "lti", "launch", "launch.php?id=$cm->id", "$basiclti->id");
83
16cac566 84$basiclti->cmid = $cm->id;
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85lti_view($basiclti);
86