1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
declare(strict_types=1); |
4
|
|
|
|
5
|
|
|
namespace SimpleSAML\SAML11\XML; |
6
|
|
|
|
7
|
|
|
use SimpleSAML\Assert\Assert; |
8
|
|
|
use SimpleSAML\SAML11\Compat\ContainerSingleton; |
9
|
|
|
use SimpleSAML\XMLSecurity\Exception\ReferenceValidationFailedException; |
10
|
|
|
use SimpleSAML\XMLSecurity\XML\ds\Signature; |
11
|
|
|
use SimpleSAML\XMLSecurity\XML\SignedElementTrait as BaseSignedElementTrait; |
12
|
|
|
|
13
|
|
|
/** |
14
|
|
|
* Helper trait for processing signed elements. |
15
|
|
|
* |
16
|
|
|
* @package simplesamlphp/saml11 |
17
|
|
|
*/ |
18
|
|
|
trait SignedElementTrait |
19
|
|
|
{ |
20
|
|
|
use BaseSignedElementTrait; |
21
|
|
|
|
22
|
|
|
|
23
|
|
|
/** |
24
|
|
|
* Initialize a signed element from XML. |
25
|
|
|
* |
26
|
|
|
* @param \SimpleSAML\XMLSecurity\XML\ds\Signature $signature The ds:Signature object |
27
|
|
|
*/ |
28
|
|
|
protected function setSignature(Signature $signature): void |
29
|
|
|
{ |
30
|
|
|
/** |
31
|
|
|
* Signatures MUST contain a single <ds:Reference> containing a same-document reference to the ID |
32
|
|
|
* attribute value of the root element of the assertion or protocol message being signed. For example, if the |
33
|
|
|
* ID attribute value is "foo", then the URI attribute in the <ds:Reference> element MUST be "#foo". |
34
|
|
|
*/ |
35
|
|
|
|
36
|
|
|
$references = $signature->getSignedInfo()->getReferences(); |
37
|
|
|
Assert::count($references, 1, "A signature needs to have exactly one Reference, %d found."); |
38
|
|
|
|
39
|
|
|
$reference = array_pop($references); |
40
|
|
|
Assert::notNull($reference->getURI(), "URI attribute not found.", ReferenceValidationFailedException::class); |
41
|
|
|
Assert::validURI($reference->getURI(), ReferenceValidationFailedException::class); |
42
|
|
|
Assert::startsWith( |
43
|
|
|
$reference->getURI(), |
44
|
|
|
'#', |
45
|
|
|
"Reference must contain a same-document reference to the ID-attribute of the root element.", |
46
|
|
|
ReferenceValidationFailedException::class, |
47
|
|
|
); |
48
|
|
|
|
49
|
|
|
$this->signature = $signature; |
50
|
|
|
} |
51
|
|
|
|
52
|
|
|
|
53
|
|
|
public function getBlacklistedAlgorithms(): ?array |
54
|
|
|
{ |
55
|
|
|
$container = ContainerSingleton::getInstance(); |
56
|
|
|
return $container->getBlacklistedEncryptionAlgorithms(); |
57
|
|
|
} |
58
|
|
|
} |
59
|
|
|
|