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moodle/mod/lti/tests/locallib_test.php

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<?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/>.
//
// This file is part of BasicLTI4Moodle
//
// BasicLTI4Moodle is an IMS BasicLTI (Basic Learning Tools for Interoperability)
// consumer for Moodle 1.9 and Moodle 2.0. BasicLTI is a IMS Standard that allows web
// based learning tools to be easily integrated in LMS as native ones. The IMS BasicLTI
// specification is part of the IMS standard Common Cartridge 1.1 Sakai and other main LMS
// are already supporting or going to support BasicLTI. This project Implements the consumer
// for Moodle. Moodle is a Free Open source Learning Management System by Martin Dougiamas.
// BasicLTI4Moodle is a project iniciated and leaded by Ludo(Marc Alier) and Jordi Piguillem
// at the GESSI research group at UPC.
// SimpleLTI consumer for Moodle is an implementation of the early specification of LTI
// by Charles Severance (Dr Chuck) htp://dr-chuck.com , developed by Jordi Piguillem in a
// Google Summer of Code 2008 project co-mentored by Charles Severance and Marc Alier.
//
// BasicLTI4Moodle is copyright 2009 by Marc Alier Forment, Jordi Piguillem and Nikolas Galanis
// of the Universitat Politecnica de Catalunya http://www.upc.edu
// Contact info: Marc Alier Forment granludo @ gmail.com or marc.alier @ upc.edu.
/**
* This file contains unit tests for (some of) lti/locallib.php
*
* @package mod_lti
* @category phpunit
* @copyright 2009 Marc Alier, Jordi Piguillem, Nikolas Galanis
* @copyright 2009 Universitat Politecnica de Catalunya http://www.upc.edu
* @author Charles Severance csev@unmich.edu
* @author Marc Alier (marc.alier@upc.edu)
* @author Jordi Piguillem
* @author Nikolas Galanis
* @author Chris Scribner
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die;
global $CFG;
require_once($CFG->dirroot . '/mod/lti/locallib.php');
require_once($CFG->dirroot . '/mod/lti/servicelib.php');
/**
* Local library tests
*
* @package mod_lti
* @copyright Copyright (c) 2012 Moodlerooms Inc. (http://www.moodlerooms.com)
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class mod_lti_locallib_testcase extends advanced_testcase {
public function test_split_custom_parameters() {
$this->resetAfterTest();
$tool = new stdClass();
$tool->enabledcapability = '';
$tool->parameter = '';
$tool->ltiversion = 'LTI-1p0';
$this->assertEquals(lti_split_custom_parameters(null, $tool, array(), "x=1\ny=2", false),
array('custom_x' => '1', 'custom_y' => '2'));
// Check params with caps.
$this->assertEquals(lti_split_custom_parameters(null, $tool, array(), "X=1", true),
array('custom_x' => '1', 'custom_X' => '1'));
// Removed repeat of previous test with a semicolon separator.
$this->assertEquals(lti_split_custom_parameters(null, $tool, array(), 'Review:Chapter=1.2.56', true),
array(
'custom_review_chapter' => '1.2.56',
'custom_Review:Chapter' => '1.2.56'));
$this->assertEquals(lti_split_custom_parameters(null, $tool, array(),
'Complex!@#$^*(){}[]KEY=Complex!@#$^*;(){}[]½Value', true),
array(
'custom_complex____________key' => 'Complex!@#$^*;(){}[]½Value',
'custom_Complex!@#$^*(){}[]KEY' => 'Complex!@#$^*;(){}[]½Value'));
// Test custom parameter that returns $USER property.
$user = $this->getDataGenerator()->create_user(array('middlename' => 'SOMETHING'));
$this->setUser($user);
$this->assertEquals(array('custom_x' => '1', 'custom_y' => 'SOMETHING'),
lti_split_custom_parameters(null, $tool, array(), "x=1\ny=\$Person.name.middle", false));
}
/**
* This test has been disabled because the test-tool is
* being moved and probably it won't work anymore for this.
* We should be testing here local stuff only and leave
* outside-checks to the conformance tests. MDL-30347
*/
public function disabled_test_sign_parameters() {
$correct = array ( 'context_id' => '12345', 'context_label' => 'SI124', 'context_title' => 'Social Computing',
'ext_submit' => 'Click Me', 'lti_message_type' => 'basic-lti-launch-request', 'lti_version' => 'LTI-1p0',
'oauth_consumer_key' => 'lmsng.school.edu', 'oauth_nonce' => '47458148e33a8f9dafb888c3684cf476',
'oauth_signature' => 'qWgaBIezihCbeHgcwUy14tZcyDQ=', 'oauth_signature_method' => 'HMAC-SHA1',
'oauth_timestamp' => '1307141660', 'oauth_version' => '1.0', 'resource_link_id' => '123',
'resource_link_title' => 'Weekly Blog', 'roles' => 'Learner', 'tool_consumer_instance_guid' => 'lmsng.school.edu',
'user_id' => '789');
$requestparams = array('resource_link_id' => '123', 'resource_link_title' => 'Weekly Blog', 'user_id' => '789',
'roles' => 'Learner', 'context_id' => '12345', 'context_label' => 'SI124', 'context_title' => 'Social Computing');
$parms = lti_sign_parameters($requestparams, 'http://www.imsglobal.org/developer/LTI/tool.php', 'POST',
'lmsng.school.edu', 'secret', 'Click Me', 'lmsng.school.edu' /*, $org_desc*/);
$this->assertTrue(isset($parms['oauth_nonce']));
$this->assertTrue(isset($parms['oauth_signature']));
$this->assertTrue(isset($parms['oauth_timestamp']));
// Those things that are hard to mock.
$correct['oauth_nonce'] = $parms['oauth_nonce'];
$correct['oauth_signature'] = $parms['oauth_signature'];
$correct['oauth_timestamp'] = $parms['oauth_timestamp'];
ksort($parms);
ksort($correct);
$this->assertEquals($parms, $correct);
}
/**
* This test has been disabled because, since its creation,
* the sourceId generation has changed and surely this is outdated.
* Some day these should be replaced by proper tests, but until then
* conformance tests say this is working. MDL-30347
*/
public function disabled_test_parse_grade_replace_message() {
$message = '
<imsx_POXEnvelopeRequest xmlns = "http://www.imsglobal.org/services/ltiv1p1/xsd/imsoms_v1p0">
<imsx_POXHeader>
<imsx_POXRequestHeaderInfo>
<imsx_version>V1.0</imsx_version>
<imsx_messageIdentifier>999998123</imsx_messageIdentifier>
</imsx_POXRequestHeaderInfo>
</imsx_POXHeader>
<imsx_POXBody>
<replaceResultRequest>
<resultRecord>
<sourcedGUID>
<sourcedId>' .
'{&quot;data&quot;:{&quot;instanceid&quot;:&quot;2&quot;,&quot;userid&quot;:&quot;2&quot;},&quot;hash&quot;:' .
'&quot;0b5078feab59b9938c333ceaae21d8e003a7b295e43cdf55338445254421076b&quot;}' .
'</sourcedId>
</sourcedGUID>
<result>
<resultScore>
<language>en-us</language>
<textString>0.92</textString>
</resultScore>
</result>
</resultRecord>
</replaceResultRequest>
</imsx_POXBody>
</imsx_POXEnvelopeRequest>
';
$parsed = lti_parse_grade_replace_message(new SimpleXMLElement($message));
$this->assertEquals($parsed->userid, '2');
$this->assertEquals($parsed->instanceid, '2');
$this->assertEquals($parsed->sourcedidhash, '0b5078feab59b9938c333ceaae21d8e003a7b295e43cdf55338445254421076b');
$ltiinstance = (object)array('servicesalt' => '4e5fcc06de1d58.44963230');
lti_verify_sourcedid($ltiinstance, $parsed);
}
public function test_lti_ensure_url_is_https() {
$this->assertEquals('https://moodle.org', lti_ensure_url_is_https('http://moodle.org'));
$this->assertEquals('https://moodle.org', lti_ensure_url_is_https('moodle.org'));
$this->assertEquals('https://moodle.org', lti_ensure_url_is_https('https://moodle.org'));
}
/**
* Test lti_get_url_thumbprint against various URLs
*/
public function test_lti_get_url_thumbprint() {
// Note: trailing and double slash are expected right now. Must evaluate if it must be removed at some point.
$this->assertEquals('moodle.org/', lti_get_url_thumbprint('http://MOODLE.ORG'));
$this->assertEquals('moodle.org/', lti_get_url_thumbprint('http://www.moodle.org'));
$this->assertEquals('moodle.org/', lti_get_url_thumbprint('https://www.moodle.org'));
$this->assertEquals('moodle.org/', lti_get_url_thumbprint('moodle.org'));
$this->assertEquals('moodle.org//this/is/moodle', lti_get_url_thumbprint('http://moodle.org/this/is/moodle'));
$this->assertEquals('moodle.org//this/is/moodle', lti_get_url_thumbprint('https://moodle.org/this/is/moodle'));
$this->assertEquals('moodle.org//this/is/moodle', lti_get_url_thumbprint('moodle.org/this/is/moodle'));
$this->assertEquals('moodle.org//this/is/moodle', lti_get_url_thumbprint('moodle.org/this/is/moodle?'));
$this->assertEquals('moodle.org//this/is/moodle?foo=bar', lti_get_url_thumbprint('moodle.org/this/is/moodle?foo=bar'));
}
/*
* Verify that lti_build_request does handle resource_link_id as expected
*/
public function test_lti_buid_request_resource_link_id() {
$this->resetAfterTest();
self::setUser($this->getDataGenerator()->create_user());
$course = $this->getDataGenerator()->create_course();
$instance = $this->getDataGenerator()->create_module('lti', array(
'intro' => "<p>This</p>\nhas\r\n<p>some</p>\nnew\n\rlines",
'introformat' => FORMAT_HTML,
'course' => $course->id,
));
$typeconfig = array(
'acceptgrades' => 1,
'forcessl' => 0,
'sendname' => 2,
'sendemailaddr' => 2,
'customparameters' => '',
);
// Normal call, we expect $instance->id to be used as resource_link_id.
$params = lti_build_request($instance, $typeconfig, $course, null);
$this->assertSame($instance->id, $params['resource_link_id']);
// If there is a resource_link_id set, it gets precedence.
$instance->resource_link_id = $instance->id + 99;
$params = lti_build_request($instance, $typeconfig, $course, null);
$this->assertSame($instance->resource_link_id, $params['resource_link_id']);
// With none set, resource_link_id is not set either.
unset($instance->id);
unset($instance->resource_link_id);
$params = lti_build_request($instance, $typeconfig, $course, null);
$this->assertArrayNotHasKey('resource_link_id', $params);
}
/**
* Test lti_build_request's resource_link_description and ensure
* that the newlines in the description are correct.
*/
public function test_lti_build_request_description() {
$this->resetAfterTest();
self::setUser($this->getDataGenerator()->create_user());
$course = $this->getDataGenerator()->create_course();
$instance = $this->getDataGenerator()->create_module('lti', array(
'intro' => "<p>This</p>\nhas\r\n<p>some</p>\nnew\n\rlines",
'introformat' => FORMAT_HTML,
'course' => $course->id,
));
$typeconfig = array(
'acceptgrades' => 1,
'forcessl' => 0,
'sendname' => 2,
'sendemailaddr' => 2,
'customparameters' => '',
);
$params = lti_build_request($instance, $typeconfig, $course, null);
$ncount = substr_count($params['resource_link_description'], "\n");
$this->assertGreaterThan(0, $ncount);
$rcount = substr_count($params['resource_link_description'], "\r");
$this->assertGreaterThan(0, $rcount);
$this->assertEquals($ncount, $rcount, 'The number of \n characters should be the same as the number of \r characters');
$rncount = substr_count($params['resource_link_description'], "\r\n");
$this->assertGreaterThan(0, $rncount);
$this->assertEquals($ncount, $rncount, 'All newline characters should be a combination of \r\n');
}
/**
* Tests lti_prepare_type_for_save's handling of the "Force SSL" configuration.
*/
public function test_lti_prepare_type_for_save_forcessl() {
$type = new stdClass();
$config = new stdClass();
// Try when the forcessl config property is not set.
lti_prepare_type_for_save($type, $config);
$this->assertObjectHasAttribute('lti_forcessl', $config);
$this->assertEquals(0, $config->lti_forcessl);
$this->assertEquals(0, $type->forcessl);
// Try when forcessl config property is set.
$config->lti_forcessl = 1;
lti_prepare_type_for_save($type, $config);
$this->assertObjectHasAttribute('lti_forcessl', $config);
$this->assertEquals(1, $config->lti_forcessl);
$this->assertEquals(1, $type->forcessl);
// Try when forcessl config property is set to 0.
$config->lti_forcessl = 0;
lti_prepare_type_for_save($type, $config);
$this->assertObjectHasAttribute('lti_forcessl', $config);
$this->assertEquals(0, $config->lti_forcessl);
$this->assertEquals(0, $type->forcessl);
}
/**
* Tests lti_load_type_from_cartridge and lti_load_type_if_cartridge
*/
public function test_lti_load_type_from_cartridge() {
$type = new stdClass();
$type->lti_toolurl = $this->getExternalTestFileUrl('/ims_cartridge_basic_lti_link.xml');
lti_load_type_if_cartridge($type);
$this->assertEquals('Example tool', $type->lti_typename);
$this->assertEquals('Example tool description', $type->lti_description);
$this->assertEquals('http://www.example.com/lti/provider.php', $type->lti_toolurl);
$this->assertEquals('http://download.moodle.org/unittest/test.jpg', $type->lti_icon);
$this->assertEquals('https://download.moodle.org/unittest/test.jpg', $type->lti_secureicon);
}
/**
* Tests lti_load_tool_from_cartridge and lti_load_tool_if_cartridge
*/
public function test_lti_load_tool_from_cartridge() {
$lti = new stdClass();
$lti->toolurl = $this->getExternalTestFileUrl('/ims_cartridge_basic_lti_link.xml');
lti_load_tool_if_cartridge($lti);
$this->assertEquals('Example tool', $lti->name);
$this->assertEquals('Example tool description', $lti->intro);
$this->assertEquals('http://www.example.com/lti/provider.php', $lti->toolurl);
$this->assertEquals('https://www.example.com/lti/provider.php', $lti->securetoolurl);
$this->assertEquals('http://download.moodle.org/unittest/test.jpg', $lti->icon);
$this->assertEquals('https://download.moodle.org/unittest/test.jpg', $lti->secureicon);
}
/**
* Tests for lti_build_content_item_selection_request().
*/
public function test_lti_build_content_item_selection_request() {
$this->resetAfterTest();
$this->setAdminUser();
// Create a tool proxy.
$proxy = mod_lti_external::create_tool_proxy('Test proxy', $this->getExternalTestFileUrl('/test.html'), array(), array());
// Create a tool type, associated with that proxy.
$type = new stdClass();
$data = new stdClass();
$data->lti_contentitem = true;
$type->state = LTI_TOOL_STATE_CONFIGURED;
$type->name = "Test tool";
$type->description = "Example description";
$type->toolproxyid = $proxy->id;
$type->baseurl = $this->getExternalTestFileUrl('/test.html');
$typeid = lti_add_type($type, $data);
$typeconfig = lti_get_type_config($typeid);
$course = $this->getDataGenerator()->create_course();
$returnurl = new moodle_url('/');
// Default parameters.
$result = lti_build_content_item_selection_request($typeid, $course, $returnurl);
$this->assertNotEmpty($result);
$this->assertNotEmpty($result->params);
$this->assertNotEmpty($result->url);
$params = $result->params;
$url = $result->url;
$this->assertEquals($typeconfig['toolurl'], $url);
$this->assertEquals('ContentItemSelectionRequest', $params['lti_message_type']);
$this->assertEquals(LTI_VERSION_1, $params['lti_version']);
$this->assertEquals('application/vnd.ims.lti.v1.ltilink', $params['accept_media_types']);
$this->assertEquals('frame,iframe,window', $params['accept_presentation_document_targets']);
$this->assertEquals($returnurl->out(false), $params['content_item_return_url']);
$this->assertEquals('false', $params['accept_unsigned']);
$this->assertEquals('false', $params['accept_multiple']);
$this->assertEquals('false', $params['accept_copy_advice']);
$this->assertEquals('false', $params['auto_create']);
$this->assertEquals($type->name, $params['title']);
$this->assertFalse(isset($params['resource_link_id']));
$this->assertFalse(isset($params['resource_link_title']));
$this->assertFalse(isset($params['resource_link_description']));
$this->assertFalse(isset($params['launch_presentation_return_url']));
$this->assertFalse(isset($params['lis_result_sourcedid']));
// Custom parameters.
$title = 'My custom title';
$text = 'This is the tool description';
$mediatypes = ['image/*', 'video/*'];
$targets = ['embed', 'iframe'];
$result = lti_build_content_item_selection_request($typeid, $course, $returnurl, $title, $text, $mediatypes, $targets,
true, true, true, true, true);
$this->assertNotEmpty($result);
$this->assertNotEmpty($result->params);
$this->assertNotEmpty($result->url);
$params = $result->params;
$this->assertEquals(implode(',', $mediatypes), $params['accept_media_types']);
$this->assertEquals(implode(',', $targets), $params['accept_presentation_document_targets']);
$this->assertEquals('true', $params['accept_unsigned']);
$this->assertEquals('true', $params['accept_multiple']);
$this->assertEquals('true', $params['accept_copy_advice']);
$this->assertEquals('true', $params['auto_create']);
$this->assertEquals($title, $params['title']);
$this->assertEquals($text, $params['text']);
// Invalid flag values.
$result = lti_build_content_item_selection_request($typeid, $course, $returnurl, $title, $text, $mediatypes, $targets,
'aa', -1, 0, 1, 0xabc);
$this->assertNotEmpty($result);
$this->assertNotEmpty($result->params);
$this->assertNotEmpty($result->url);
$params = $result->params;
$this->assertEquals(implode(',', $mediatypes), $params['accept_media_types']);
$this->assertEquals(implode(',', $targets), $params['accept_presentation_document_targets']);
$this->assertEquals('false', $params['accept_unsigned']);
$this->assertEquals('false', $params['accept_multiple']);
$this->assertEquals('false', $params['accept_copy_advice']);
$this->assertEquals('false', $params['auto_create']);
$this->assertEquals($title, $params['title']);
$this->assertEquals($text, $params['text']);
}
/**
* Test for lti_build_content_item_selection_request() with nonexistent tool type ID parameter.
*/
public function test_lti_build_content_item_selection_request_invalid_tooltype() {
$this->resetAfterTest();
$this->setAdminUser();
$course = $this->getDataGenerator()->create_course();
$returnurl = new moodle_url('/');
// Should throw Exception on non-existent tool type.
$this->expectException('moodle_exception');
lti_build_content_item_selection_request(1, $course, $returnurl);
}
/**
* Test for lti_build_content_item_selection_request() with invalid media types parameter.
*/
public function test_lti_build_content_item_selection_request_invalid_mediatypes() {
$this->resetAfterTest();
$this->setAdminUser();
// Create a tool type, associated with that proxy.
$type = new stdClass();
$data = new stdClass();
$data->lti_contentitem = true;
$type->state = LTI_TOOL_STATE_CONFIGURED;
$type->name = "Test tool";
$type->description = "Example description";
$type->baseurl = $this->getExternalTestFileUrl('/test.html');
$typeid = lti_add_type($type, $data);
$course = $this->getDataGenerator()->create_course();
$returnurl = new moodle_url('/');
// Should throw coding_exception on non-array media types.
$mediatypes = 'image/*,video/*';
$this->expectException('coding_exception');
lti_build_content_item_selection_request($typeid, $course, $returnurl, '', '', $mediatypes);
}
/**
* Test for lti_build_content_item_selection_request() with invalid presentation targets parameter.
*/
public function test_lti_build_content_item_selection_request_invalid_presentationtargets() {
$this->resetAfterTest();
$this->setAdminUser();
// Create a tool type, associated with that proxy.
$type = new stdClass();
$data = new stdClass();
$data->lti_contentitem = true;
$type->state = LTI_TOOL_STATE_CONFIGURED;
$type->name = "Test tool";
$type->description = "Example description";
$type->baseurl = $this->getExternalTestFileUrl('/test.html');
$typeid = lti_add_type($type, $data);
$course = $this->getDataGenerator()->create_course();
$returnurl = new moodle_url('/');
// Should throw coding_exception on non-array presentation targets.
$targets = 'frame,iframe';
$this->expectException('coding_exception');
lti_build_content_item_selection_request($typeid, $course, $returnurl, '', '', [], $targets);
}
/**
* Provider for test_lti_get_best_tool_by_url.
*
* @return array of [urlToTest, expectedTool, allTools]
*/
public function lti_get_best_tool_by_url_provider() {
$tools = [
(object) [
'name' => 'Here',
'baseurl' => 'https://example.com/i/am/?where=here',
'tooldomain' => 'example.com',
'state' => LTI_TOOL_STATE_CONFIGURED,
'course' => SITEID
],
(object) [
'name' => 'There',
'baseurl' => 'https://example.com/i/am/?where=there',
'tooldomain' => 'example.com',
'state' => LTI_TOOL_STATE_CONFIGURED,
'course' => SITEID
],
(object) [
'name' => 'Not here',
'baseurl' => 'https://example.com/i/am/?where=not/here',
'tooldomain' => 'example.com',
'state' => LTI_TOOL_STATE_CONFIGURED,
'course' => SITEID
],
(object) [
'name' => 'Here',
'baseurl' => 'https://example.com/i/am/',
'tooldomain' => 'example.com',
'state' => LTI_TOOL_STATE_CONFIGURED,
'course' => SITEID
],
(object) [
'name' => 'Here',
'baseurl' => 'https://example.com/i/was',
'tooldomain' => 'example.com',
'state' => LTI_TOOL_STATE_CONFIGURED,
'course' => SITEID
],
(object) [
'name' => 'Here',
'baseurl' => 'https://badexample.com/i/am/?where=here',
'tooldomain' => 'badexample.com',
'state' => LTI_TOOL_STATE_CONFIGURED,
'course' => SITEID
],
];
$data = [
[
'url' => $tools[0]->baseurl,
'expected' => $tools[0],
],
[
'url' => $tools[1]->baseurl,
'expected' => $tools[1],
],
[
'url' => $tools[2]->baseurl,
'expected' => $tools[2],
],
[
'url' => $tools[3]->baseurl,
'expected' => $tools[3],
],
[
'url' => $tools[4]->baseurl,
'expected' => $tools[4],
],
[
'url' => $tools[5]->baseurl,
'expected' => $tools[5],
],
[
'url' => 'https://nomatch.com/i/am/',
'expected' => null
],
[
'url' => 'https://example.com',
'expected' => null
],
[
'url' => 'https://example.com/i/am/?where=unknown',
'expected' => $tools[3]
]
];
// Construct the final array as required by the provider API. Each row
// of the array contains the URL to test, the expected tool, and
// the complete list of tools.
return array_map(function($data) use ($tools) {
return [$data['url'], $data['expected'], $tools];
}, $data);
}
/**
* Test lti_get_best_tool_by_url.
*
* @dataProvider lti_get_best_tool_by_url_provider
* @param string $url The URL to test.
* @param object $expected The expected tool matching the URL.
* @param array $tools The pool of tools to match the URL with.
*/
public function test_lti_get_best_tool_by_url($url, $expected, $tools) {
$actual = lti_get_best_tool_by_url($url, $tools, null);
$this->assertSame($expected, $actual);
}
/**
* Test lti_get_jwt_message_type_mapping().
*/
public function test_lti_get_jwt_message_type_mapping() {
$mapping = [
'basic-lti-launch-request' => 'LtiResourceLinkRequest',
'ContentItemSelectionRequest' => 'LtiDeepLinkingRequest',
'LtiDeepLinkingResponse' => 'ContentItemSelection',
];
$this->assertEquals($mapping, lti_get_jwt_message_type_mapping());
}
/**
* Test lti_get_jwt_claim_mapping()
*/
public function test_lti_get_jwt_claim_mapping() {
$mapping = [
'accept_copy_advice' => [
'suffix' => 'dl',
'group' => 'deep_linking_settings',
'claim' => 'accept_copy_advice',
'isarray' => false
],
'accept_media_types' => [
'suffix' => 'dl',
'group' => 'deep_linking_settings',
'claim' => 'accept_media_types',
'isarray' => true
],
'accept_multiple' => [
'suffix' => 'dl',
'group' => 'deep_linking_settings',
'claim' => 'accept_multiple',
'isarray' => false
],
'accept_presentation_document_targets' => [
'suffix' => 'dl',
'group' => 'deep_linking_settings',
'claim' => 'accept_presentation_document_targets',
'isarray' => true
],
'accept_types' => [
'suffix' => 'dl',
'group' => 'deep_linking_settings',
'claim' => 'accept_types',
'isarray' => true
],
'accept_unsigned' => [
'suffix' => 'dl',
'group' => 'deep_linking_settings',
'claim' => 'accept_unsigned',
'isarray' => false
],
'auto_create' => [
'suffix' => 'dl',
'group' => 'deep_linking_settings',
'claim' => 'auto_create',
'isarray' => false
],
'can_confirm' => [
'suffix' => 'dl',
'group' => 'deep_linking_settings',
'claim' => 'can_confirm',
'isarray' => false
],
'content_item_return_url' => [
'suffix' => 'dl',
'group' => 'deep_linking_settings',
'claim' => 'deep_link_return_url',
'isarray' => false
],
'content_items' => [
'suffix' => 'dl',
'group' => '',
'claim' => 'content_items',
'isarray' => true
],
'data' => [
'suffix' => 'dl',
'group' => 'deep_linking_settings',
'claim' => 'data',
'isarray' => false
],
'text' => [
'suffix' => 'dl',
'group' => 'deep_linking_settings',
'claim' => 'text',
'isarray' => false
],
'title' => [
'suffix' => 'dl',
'group' => 'deep_linking_settings',
'claim' => 'title',
'isarray' => false
],
'lti_msg' => [
'suffix' => 'dl',
'group' => '',
'claim' => 'msg',
'isarray' => false
],
'lti_log' => [
'suffix' => 'dl',
'group' => '',
'claim' => 'log',
'isarray' => false
],
'lti_errormsg' => [
'suffix' => 'dl',
'group' => '',
'claim' => 'errormsg',
'isarray' => false
],
'lti_errorlog' => [
'suffix' => 'dl',
'group' => '',
'claim' => 'errorlog',
'isarray' => false
],
'context_id' => [
'suffix' => '',
'group' => 'context',
'claim' => 'id',
'isarray' => false
],
'context_label' => [
'suffix' => '',
'group' => 'context',
'claim' => 'label',
'isarray' => false
],
'context_title' => [
'suffix' => '',
'group' => 'context',
'claim' => 'title',
'isarray' => false
],
'context_type' => [
'suffix' => '',
'group' => 'context',
'claim' => 'type',
'isarray' => true
],
'lis_course_offering_sourcedid' => [
'suffix' => '',
'group' => 'lis',
'claim' => 'course_offering_sourcedid',
'isarray' => false
],
'lis_course_section_sourcedid' => [
'suffix' => '',
'group' => 'lis',
'claim' => 'course_section_sourcedid',
'isarray' => false
],
'launch_presentation_css_url' => [
'suffix' => '',
'group' => 'launch_presentation',
'claim' => 'css_url',
'isarray' => false
],
'launch_presentation_document_target' => [
'suffix' => '',
'group' => 'launch_presentation',
'claim' => 'document_target',
'isarray' => false
],
'launch_presentation_height' => [
'suffix' => '',
'group' => 'launch_presentation',
'claim' => 'height',
'isarray' => false
],
'launch_presentation_locale' => [
'suffix' => '',
'group' => 'launch_presentation',
'claim' => 'locale',
'isarray' => false
],
'launch_presentation_return_url' => [
'suffix' => '',
'group' => 'launch_presentation',
'claim' => 'return_url',
'isarray' => false
],
'launch_presentation_width' => [
'suffix' => '',
'group' => 'launch_presentation',
'claim' => 'width',
'isarray' => false
],
'lis_person_contact_email_primary' => [
'suffix' => '',
'group' => null,
'claim' => 'email',
'isarray' => false
],
'lis_person_name_family' => [
'suffix' => '',
'group' => null,
'claim' => 'family_name',
'isarray' => false
],
'lis_person_name_full' => [
'suffix' => '',
'group' => null,
'claim' => 'name',
'isarray' => false
],
'lis_person_name_given' => [
'suffix' => '',
'group' => null,
'claim' => 'given_name',
'isarray' => false
],
'lis_person_sourcedid' => [
'suffix' => '',
'group' => 'lis',
'claim' => 'person_sourcedid',
'isarray' => false
],
'user_id' => [
'suffix' => '',
'group' => null,
'claim' => 'sub',
'isarray' => false
],
'user_image' => [
'suffix' => '',
'group' => null,
'claim' => 'picture',
'isarray' => false
],
'roles' => [
'suffix' => '',
'group' => '',
'claim' => 'roles',
'isarray' => true
],
'role_scope_mentor' => [
'suffix' => '',
'group' => '',
'claim' => 'role_scope_mentor',
'isarray' => false
],
'deployment_id' => [
'suffix' => '',
'group' => '',
'claim' => 'deployment_id',
'isarray' => false
],
'lti_message_type' => [
'suffix' => '',
'group' => '',
'claim' => 'message_type',
'isarray' => false
],
'lti_version' => [
'suffix' => '',
'group' => '',
'claim' => 'version',
'isarray' => false
],
'resource_link_description' => [
'suffix' => '',
'group' => 'resource_link',
'claim' => 'description',
'isarray' => false
],
'resource_link_id' => [
'suffix' => '',
'group' => 'resource_link',
'claim' => 'id',
'isarray' => false
],
'resource_link_title' => [
'suffix' => '',
'group' => 'resource_link',
'claim' => 'title',
'isarray' => false
],
'tool_consumer_info_product_family_code' => [
'suffix' => '',
'group' => 'tool_platform',
'claim' => 'family_code',
'isarray' => false
],
'tool_consumer_info_version' => [
'suffix' => '',
'group' => 'tool_platform',
'claim' => 'version',
'isarray' => false
],
'tool_consumer_instance_contact_email' => [
'suffix' => '',
'group' => 'tool_platform',
'claim' => 'contact_email',
'isarray' => false
],
'tool_consumer_instance_description' => [
'suffix' => '',
'group' => 'tool_platform',
'claim' => 'description',
'isarray' => false
],
'tool_consumer_instance_guid' => [
'suffix' => '',
'group' => 'tool_platform',
'claim' => 'guid',
'isarray' => false
],
'tool_consumer_instance_name' => [
'suffix' => '',
'group' => 'tool_platform',
'claim' => 'name',
'isarray' => false
],
'tool_consumer_instance_url' => [
'suffix' => '',
'group' => 'tool_platform',
'claim' => 'url',
'isarray' => false
],
'custom_context_memberships_url' => [
'suffix' => 'nrps',
'group' => 'namesroleservice',
'claim' => 'context_memberships_url',
'isarray' => false
],
'custom_context_memberships_versions' => [
'suffix' => 'nrps',
'group' => 'namesroleservice',
'claim' => 'service_versions',
'isarray' => true
],
'custom_gradebookservices_scope' => [
'suffix' => 'ags',
'group' => 'endpoint',
'claim' => 'scope',
'isarray' => true
],
'custom_lineitems_url' => [
'suffix' => 'ags',
'group' => 'endpoint',
'claim' => 'lineitems',
'isarray' => false
],
'custom_lineitem_url' => [
'suffix' => 'ags',
'group' => 'endpoint',
'claim' => 'lineitem',
'isarray' => false
],
'custom_results_url' => [
'suffix' => 'ags',
'group' => 'endpoint',
'claim' => 'results',
'isarray' => false
],
'custom_result_url' => [
'suffix' => 'ags',
'group' => 'endpoint',
'claim' => 'result',
'isarray' => false
],
'custom_scores_url' => [
'suffix' => 'ags',
'group' => 'endpoint',
'claim' => 'scores',
'isarray' => false
],
'custom_score_url' => [
'suffix' => 'ags',
'group' => 'endpoint',
'claim' => 'score',
'isarray' => false
],
'lis_outcome_service_url' => [
'suffix' => 'bos',
'group' => 'basicoutcomesservice',
'claim' => 'lis_outcome_service_url',
'isarray' => false
],
'lis_result_sourcedid' => [
'suffix' => 'bos',
'group' => 'basicoutcomesservice',
'claim' => 'lis_result_sourcedid',
'isarray' => false
],
];
$this->assertEquals($mapping, lti_get_jwt_claim_mapping());
}
/**
* Test lti_build_standard_message().
*/
public function test_lti_build_standard_message_institution_name_set() {
global $CFG;
$this->resetAfterTest();
$CFG->mod_lti_institution_name = 'some institution name lols';
$course = $this->getDataGenerator()->create_course();
$instance = $this->getDataGenerator()->create_module('lti',
[
'course' => $course->id,
]
);
$message = lti_build_standard_message($instance, '2', LTI_VERSION_1);
$this->assertEquals('moodle-2', $message['ext_lms']);
$this->assertEquals('moodle', $message['tool_consumer_info_product_family_code']);
$this->assertEquals(LTI_VERSION_1, $message['lti_version']);
$this->assertEquals('basic-lti-launch-request', $message['lti_message_type']);
$this->assertEquals('2', $message['tool_consumer_instance_guid']);
$this->assertEquals('some institution name lols', $message['tool_consumer_instance_name']);
$this->assertEquals('PHPUnit test site', $message['tool_consumer_instance_description']);
}
/**
* Test lti_build_standard_message().
*/
public function test_lti_build_standard_message_institution_name_not_set() {
$this->resetAfterTest();
$course = $this->getDataGenerator()->create_course();
$instance = $this->getDataGenerator()->create_module('lti',
[
'course' => $course->id,
]
);
$message = lti_build_standard_message($instance, '2', LTI_VERSION_2);
$this->assertEquals('moodle-2', $message['ext_lms']);
$this->assertEquals('moodle', $message['tool_consumer_info_product_family_code']);
$this->assertEquals(LTI_VERSION_2, $message['lti_version']);
$this->assertEquals('basic-lti-launch-request', $message['lti_message_type']);
$this->assertEquals('2', $message['tool_consumer_instance_guid']);
$this->assertEquals('phpunit', $message['tool_consumer_instance_name']);
$this->assertEquals('PHPUnit test site', $message['tool_consumer_instance_description']);
}
/**
* Test lti_verify_jwt_signature().
*/
public function test_lti_verify_jwt_signature() {
$this->resetAfterTest();
$this->setAdminUser();
// Create a tool type, associated with that proxy.
$type = new stdClass();
$type->state = LTI_TOOL_STATE_CONFIGURED;
$type->name = "Test tool";
$type->description = "Example description";
$type->baseurl = $this->getExternalTestFileUrl('/test.html');
$config = new stdClass();
$config->lti_publickey = '-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnzyis1ZjfNB0bBgKFMSv
vkTtwlvBsaJq7S5wA+kzeVOVpVWwkWdVha4s38XM/pa/yr47av7+z3VTmvDRyAHc
aT92whREFpLv9cj5lTeJSibyr/Mrm/YtjCZVWgaOYIhwrXwKLqPr/11inWsAkfIy
tvHWTxZYEcXLgAXFuUuaS3uF9gEiNQwzGTU1v0FqkqTBr4B8nW3HCN47XUu0t8Y0
e+lf4s4OxQawWD79J9/5d3Ry0vbV3Am1FtGJiJvOwRsIfVChDpYStTcHTCMqtvWb
V6L11BWkpzGXSW4Hv43qa+GSYOD2QU68Mb59oSk2OB+BtOLpJofmbGEGgvmwyCI9
MwIDAQAB
-----END PUBLIC KEY-----';
$typeid = lti_add_type($type, $config);
lti_verify_jwt_signature($typeid, '', 'eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4g' .
'RG9lIiwiYWRtaW4iOnRydWUsImlhdCI6MTUxNjIzOTAyMn0.POstGetfAytaZS82wHcjoTyoqhMyxXiWdR7Nn7A29DNSl0EiXLdwJ6xC6AfgZWF1bOs' .
'S_TuYI3OG85AmiExREkrS6tDfTQ2B3WXlrr-wp5AokiRbz3_oB4OxG-W9KcEEbDRcZc0nH3L7LzYptiy1PtAylQGxHTWZXtGz4ht0bAecBgmpdgXMgu' .
'EIcoqPJ1n3pIWk_dUZegpqx0Lka21H6XxUTxiy8OcaarA8zdnPUnV6AmNP3ecFawIFYdvJB_cm-GvpCSbr8G8y_Mllj8f4x9nBH8pQux89_6gUY618iY' .
'v7tuPWBFfEbLxtF2pZS6YC1aSfLQxeNe8djT9YjpvRZA');
}
/**
* Test lti_verify_jwt_signature().
*/
public function test_lti_verify_jwt_signature_with_lti2() {
$this->resetAfterTest();
$this->setAdminUser();
// Create a tool proxy.
$proxy = mod_lti_external::create_tool_proxy('Test proxy', $this->getExternalTestFileUrl('/test.html'), array(), array());
// Create a tool type, associated with that proxy.
$type = new stdClass();
$type->state = LTI_TOOL_STATE_CONFIGURED;
$type->name = "Test tool";
$type->description = "Example description";
$type->toolproxyid = $proxy->id;
$type->baseurl = $this->getExternalTestFileUrl('/test.html');
$data = new stdClass();
$data->lti_contentitem = true;
$typeid = lti_add_type($type, $data);
$this->expectExceptionMessage('JWT security not supported with LTI 2');
lti_verify_jwt_signature($typeid, '', '');
}
/**
* Test lti_verify_jwt_signature().
*/
public function test_lti_verify_jwt_signature_no_consumer_key() {
$this->resetAfterTest();
$this->setAdminUser();
// Create a tool type, associated with that proxy.
$type = new stdClass();
$type->state = LTI_TOOL_STATE_CONFIGURED;
$type->name = "Test tool";
$type->description = "Example description";
$type->clientid = 'consumerkey';
$type->baseurl = $this->getExternalTestFileUrl('/test.html');
$config = new stdClass();
$typeid = lti_add_type($type, $config);
$this->expectExceptionMessage(get_string('errorincorrectconsumerkey', 'mod_lti'));
lti_verify_jwt_signature($typeid, '', '');
}
/**
* Test lti_verify_jwt_signature().
*/
public function test_lti_verify_jwt_signature_no_public_key() {
$this->resetAfterTest();
$this->setAdminUser();
// Create a tool type, associated with that proxy.
$type = new stdClass();
$type->state = LTI_TOOL_STATE_CONFIGURED;
$type->name = "Test tool";
$type->description = "Example description";
$type->clientid = 'consumerkey';
$type->baseurl = $this->getExternalTestFileUrl('/test.html');
$config = new stdClass();
$typeid = lti_add_type($type, $config);
$this->expectExceptionMessage('No public key configured');
lti_verify_jwt_signature($typeid, 'consumerkey', '');
}
/**
* Test lti_convert_content_items().
*/
public function test_lti_convert_content_items() {
$contentitems = [];
$contentitems[] = [
'type' => 'ltiResourceLink',
'url' => 'http://example.com/messages/launch',
'title' => 'Test title',
'text' => 'Test text',
'frame' => []
];
$contentitems = json_encode($contentitems);
$json = lti_convert_content_items($contentitems);
$jsondecode = json_decode($json);
$strcontext = '@context';
$strgraph = '@graph';
$strtype = '@type';
$objgraph = new stdClass();
$objgraph->url = 'http://example.com/messages/launch';
$objgraph->title = 'Test title';
$objgraph->text = 'Test text';
$objgraph->frame = [];
$objgraph->{$strtype} = 'LtiLinkItem';
$objgraph->mediaType = 'application\/vnd.ims.lti.v1.ltilink';
$expected = new stdClass();
$expected->{$strcontext} = 'http://purl.imsglobal.org/ctx/lti/v1/ContentItem';
$expected->{$strgraph} = [];
$expected->{$strgraph}[] = $objgraph;
$this->assertEquals($expected, $jsondecode);
}
/**
* Test lti_sign_jwt().
*/
public function test_lti_sign_jwt() {
$this->resetAfterTest();
$this->setAdminUser();
// Create a tool type, associated with that proxy.
$type = new stdClass();
$type->state = LTI_TOOL_STATE_CONFIGURED;
$type->name = "Test tool";
$type->description = "Example description";
$type->clientid = 'consumerkey';
$type->baseurl = $this->getExternalTestFileUrl('/test.html');
$config = new stdClass();
$typeid = lti_add_type($type, $config);
$params = [];
$params['roles'] = 'urn:lti:role:ims/lis/testrole,' .
'urn:lti:instrole:ims/lis/testinstrole,' .
'urn:lti:sysrole:ims/lis/testsysrole,' .
'hi';
$params['accept_copy_advice'] = [
'suffix' => 'dl',
'group' => 'deep_linking_settings',
'claim' => 'accept_copy_advice',
'isarray' => false
];
$params['lis_result_sourcedid'] = [
'suffix' => 'bos',
'group' => 'basicoutcomesservice',
'claim' => 'lis_result_sourcedid',
'isarray' => false
];
$endpoint = 'https://www.example.com/moodle';
$oauthconsumerkey = 'consumerkey';
$nonce = '';
$jwt = lti_sign_jwt($params, $endpoint, $oauthconsumerkey, $typeid, $nonce);
$this->assertArrayHasKey('id_token', $jwt);
$this->assertNotEmpty($jwt['id_token']);
}
/**
* Test lti_convert_from_jwt()
*/
public function test_lti_convert_from_jwt() {
$this->resetAfterTest();
$this->setAdminUser();
// Create a tool type, associated with that proxy.
$type = new stdClass();
$type->state = LTI_TOOL_STATE_CONFIGURED;
$type->name = "Test tool";
$type->description = "Example description";
$type->clientid = 'sso.example.com';
$type->baseurl = $this->getExternalTestFileUrl('/test.html');
$config = new stdClass();
$config->lti_publickey = '-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnzyis1ZjfNB0bBgKFMSv
vkTtwlvBsaJq7S5wA+kzeVOVpVWwkWdVha4s38XM/pa/yr47av7+z3VTmvDRyAHc
aT92whREFpLv9cj5lTeJSibyr/Mrm/YtjCZVWgaOYIhwrXwKLqPr/11inWsAkfIy
tvHWTxZYEcXLgAXFuUuaS3uF9gEiNQwzGTU1v0FqkqTBr4B8nW3HCN47XUu0t8Y0
e+lf4s4OxQawWD79J9/5d3Ry0vbV3Am1FtGJiJvOwRsIfVChDpYStTcHTCMqtvWb
V6L11BWkpzGXSW4Hv43qa+GSYOD2QU68Mb59oSk2OB+BtOLpJofmbGEGgvmwyCI9
MwIDAQAB
-----END PUBLIC KEY-----';
$typeid = lti_add_type($type, $config);
$params = lti_convert_from_jwt($typeid, 'eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwib' .
'mFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWUsImlhdCI6MTUxNjIzOTAyMiwiaXNzIjoic3NvLmV4YW1wbGUuY29tIn0.XURVvEb5ueAvFsn-S9EB' .
'BSfKbsgUzfRQqmJ6evlrYdx7sXWoZXw1nYjaLTg-mawvBr7MVvrdG9qh6oN8OfkQ7bfMwiz4tjBMJ4B4q_sig5BDYIKwMNjZL5GGCBs89FQrgqZBhxw' .
'3exTjPBEn69__w40o0AhCsBohPMh0ZsAyHug5dhm8vIuOP667repUJzM8uKCD6L4bEL6vQE8EwU6WQOmfJ2SDmRs-1pFkiaFd6hmPn6AVX7ETtzQmlT' .
'X-nXe9weQjU1lH4AQG2Yfnn-7lS94bt6E76Zt-XndP3IY7W48EpnRfUK9Ff1fZlomT4MPahdNP1eP8gT2iMz7vYpCfmA');
$this->assertEquals('sso.example.com', $params['oauth_consumer_key']);
$this->assertEquals('John Doe', $params['lis_person_name_full']);
}
/**
* Test lti_get_permitted_service_scopes().
*/
public function test_lti_get_permitted_service_scopes() {
$this->resetAfterTest();
$this->setAdminUser();
// Create a tool type, associated with that proxy.
$type = new stdClass();
$type->state = LTI_TOOL_STATE_CONFIGURED;
$type->name = "Test tool";
$type->description = "Example description";
$type->baseurl = $this->getExternalTestFileUrl('/test.html');
$typeconfig = new stdClass();
$typeconfig->lti_acceptgrades = true;
$typeid = lti_add_type($type, $typeconfig);
$tool = lti_get_type($typeid);
$config = lti_get_type_config($typeid);
$permittedscopes = lti_get_permitted_service_scopes($tool, $config);
$expected = [
'https://purl.imsglobal.org/spec/lti-bo/scope/basicoutcome'
];
$this->assertEquals($expected, $permittedscopes);
}
/**
* Test get_tool_type_config().
*/
public function test_get_tool_type_config() {
$this->resetAfterTest();
$this->setAdminUser();
// Create a tool type, associated with that proxy.
$type = new stdClass();
$type->state = LTI_TOOL_STATE_CONFIGURED;
$type->name = "Test tool";
$type->description = "Example description";
$type->clientid = "Test client ID";
$type->baseurl = $this->getExternalTestFileUrl('/test.html');
$config = new stdClass();
$typeid = lti_add_type($type, $config);
$type = lti_get_type($typeid);
$typeconfig = get_tool_type_config($type);
$this->assertEquals('https://www.example.com/moodle', $typeconfig['platformid']);
$this->assertEquals($type->clientid, $typeconfig['clientid']);
$this->assertEquals($typeid, $typeconfig['deploymentid']);
$this->assertEquals('https://www.example.com/moodle/mod/lti/certs.php', $typeconfig['publickeyseturl']);
$this->assertEquals('https://www.example.com/moodle/mod/lti/token.php', $typeconfig['accesstokenurl']);
$this->assertEquals('https://www.example.com/moodle/mod/lti/auth.php', $typeconfig['authrequesturl']);
}
/**
* Test lti_new_access_token().
*/
public function test_lti_new_access_token() {
global $DB;
$this->resetAfterTest();
$this->setAdminUser();
// Create a tool type, associated with that proxy.
$type = new stdClass();
$type->state = LTI_TOOL_STATE_CONFIGURED;
$type->name = "Test tool";
$type->description = "Example description";
$type->clientid = "Test client ID";
$type->baseurl = $this->getExternalTestFileUrl('/test.html');
$config = new stdClass();
$typeid = lti_add_type($type, $config);
$scopes = ['lti_some_scope', 'lti_another_scope'];
lti_new_access_token($typeid, $scopes);
$token = $DB->get_records('lti_access_tokens');
$this->assertEquals(1, count($token));
$token = reset($token);
$this->assertEquals($typeid, $token->typeid);
$this->assertEquals(json_encode(array_values($scopes)), $token->scope);
$this->assertEquals($token->timecreated + LTI_ACCESS_TOKEN_LIFE, $token->validuntil);
$this->assertNull($token->lastaccess);
}
}