|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
/* For licensing terms, see /license.txt */ |
|
6
|
|
|
|
|
7
|
|
|
namespace Chamilo\LtiBundle\Controller; |
|
8
|
|
|
|
|
9
|
|
|
use Chamilo\CoreBundle\Controller\BaseController; |
|
10
|
|
|
use Chamilo\LtiBundle\Component\OutcomeDeleteRequest; |
|
11
|
|
|
use Chamilo\LtiBundle\Component\OutcomeReadRequest; |
|
12
|
|
|
use Chamilo\LtiBundle\Component\OutcomeReplaceRequest; |
|
13
|
|
|
use Chamilo\LtiBundle\Component\OutcomeResponse; |
|
14
|
|
|
use Chamilo\LtiBundle\Component\OutcomeUnsupportedRequest; |
|
15
|
|
|
use Chamilo\LtiBundle\Entity\ExternalTool; |
|
16
|
|
|
use Doctrine\Persistence\ManagerRegistry; |
|
17
|
|
|
use OAuthUtil; |
|
18
|
|
|
use SimpleXMLElement; |
|
19
|
|
|
use Symfony\Component\HttpFoundation\Request; |
|
20
|
|
|
use Symfony\Component\HttpFoundation\Response; |
|
21
|
|
|
use Symfony\Component\Routing\Annotation\Route; |
|
22
|
|
|
use Symfony\Contracts\Translation\TranslatorInterface; |
|
23
|
|
|
|
|
24
|
|
|
class ServiceController extends BaseController |
|
25
|
|
|
{ |
|
26
|
|
|
public function __construct( |
|
27
|
|
|
private ManagerRegistry $managerRegistry, |
|
28
|
|
|
private TranslatorInterface $translator, |
|
29
|
|
|
) {} |
|
30
|
|
|
|
|
31
|
|
|
#[Route(path: '/lti/os', name: 'chamilo_lti_os')] |
|
32
|
|
|
public function outcomeService(Request $request): Response |
|
33
|
|
|
{ |
|
34
|
|
|
$em = $this->managerRegistry->getManager(); |
|
35
|
|
|
$toolRepo = $em->getRepository(ExternalTool::class); |
|
36
|
|
|
|
|
37
|
|
|
$headers = $request->headers; |
|
38
|
|
|
|
|
39
|
|
|
if (empty($headers->get('authorization'))) { |
|
40
|
|
|
throw $this->createAccessDeniedException(); |
|
41
|
|
|
} |
|
42
|
|
|
|
|
43
|
|
|
$authParams = OAuthUtil::split_header($headers['Authorization']); |
|
44
|
|
|
|
|
45
|
|
|
if (empty($authParams) || empty($authParams['oauth_consumer_key']) || empty($authParams['oauth_signature'])) { |
|
46
|
|
|
throw $this->createAccessDeniedException(); |
|
47
|
|
|
} |
|
48
|
|
|
|
|
49
|
|
|
$course = $this->getCourse(); |
|
50
|
|
|
$tools = $toolRepo->findBy([ |
|
51
|
|
|
'consumerKey' => $authParams['oauth_consumer_key'], |
|
52
|
|
|
]); |
|
53
|
|
|
$url = $this->generateUrl('chamilo_lti_os', [ |
|
54
|
|
|
'code' => $course->getCode(), |
|
55
|
|
|
]); |
|
56
|
|
|
|
|
57
|
|
|
$toolIsFound = false; |
|
58
|
|
|
|
|
59
|
|
|
/** @var ExternalTool $tool */ |
|
60
|
|
|
foreach ($tools as $tool) { |
|
61
|
|
|
$signatureIsValid = $this->compareRequestSignature( |
|
62
|
|
|
$url, |
|
63
|
|
|
$authParams['oauth_consumer_key'], |
|
64
|
|
|
$authParams['oauth_signature'], |
|
65
|
|
|
$tool |
|
66
|
|
|
); |
|
67
|
|
|
|
|
68
|
|
|
if ($signatureIsValid) { |
|
69
|
|
|
$toolIsFound = true; |
|
70
|
|
|
|
|
71
|
|
|
break; |
|
72
|
|
|
} |
|
73
|
|
|
} |
|
74
|
|
|
|
|
75
|
|
|
if (!$toolIsFound) { |
|
76
|
|
|
throw $this->createNotFoundException('External tool not found. Signature is not valid'); |
|
77
|
|
|
} |
|
78
|
|
|
|
|
79
|
|
|
$body = file_get_contents('php://input'); |
|
80
|
|
|
$bodyHash = base64_encode(sha1($body, true)); |
|
81
|
|
|
|
|
82
|
|
|
if ($bodyHash !== $authParams['oauth_body_hash']) { |
|
83
|
|
|
throw $this->createAccessDeniedException('Request is not valid.'); |
|
84
|
|
|
} |
|
85
|
|
|
|
|
86
|
|
|
$process = $this->processServiceRequest(); |
|
87
|
|
|
|
|
88
|
|
|
$response = new Response($process); |
|
89
|
|
|
$response->headers->set('Content-Type', 'application/xml'); |
|
90
|
|
|
|
|
91
|
|
|
return $response; |
|
92
|
|
|
} |
|
93
|
|
|
|
|
94
|
|
|
private function processServiceRequest(): ?OutcomeResponse |
|
95
|
|
|
{ |
|
96
|
|
|
$requestContent = file_get_contents('php://input'); |
|
97
|
|
|
|
|
98
|
|
|
if (empty($requestContent)) { |
|
99
|
|
|
return null; |
|
100
|
|
|
} |
|
101
|
|
|
|
|
102
|
|
|
$xml = new SimpleXMLElement($requestContent); |
|
103
|
|
|
|
|
104
|
|
|
if (empty($xml)) { |
|
105
|
|
|
return null; |
|
106
|
|
|
} |
|
107
|
|
|
|
|
108
|
|
|
$bodyChildren = $xml->imsx_POXBody->children(); |
|
109
|
|
|
|
|
110
|
|
|
if (empty($bodyChildren)) { |
|
111
|
|
|
return null; |
|
112
|
|
|
} |
|
113
|
|
|
|
|
114
|
|
|
$name = $bodyChildren->getName(); |
|
115
|
|
|
|
|
116
|
|
|
switch ($name) { |
|
117
|
|
|
case 'replaceResultRequest': |
|
118
|
|
|
$serviceRequest = new OutcomeReplaceRequest($xml); |
|
119
|
|
|
|
|
120
|
|
|
break; |
|
121
|
|
|
|
|
122
|
|
|
case 'readResultRequest': |
|
123
|
|
|
$serviceRequest = new OutcomeReadRequest($xml); |
|
124
|
|
|
|
|
125
|
|
|
break; |
|
126
|
|
|
|
|
127
|
|
|
case 'deleteResultRequest': |
|
128
|
|
|
$serviceRequest = new OutcomeDeleteRequest($xml); |
|
129
|
|
|
|
|
130
|
|
|
break; |
|
131
|
|
|
|
|
132
|
|
|
default: |
|
133
|
|
|
$name = str_replace(['ResultRequest', 'Request'], '', $name); |
|
134
|
|
|
|
|
135
|
|
|
$serviceRequest = new OutcomeUnsupportedRequest($xml, $name); |
|
136
|
|
|
|
|
137
|
|
|
break; |
|
138
|
|
|
} |
|
139
|
|
|
|
|
140
|
|
|
$serviceRequest->setEntityManager($this->managerRegistry->getManager()); |
|
141
|
|
|
$serviceRequest->setTranslator($this->translator); |
|
142
|
|
|
|
|
143
|
|
|
return $serviceRequest->process(); |
|
144
|
|
|
} |
|
145
|
|
|
} |
|
146
|
|
|
|
chamilo /
chamilo-lms
