|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace SimpleSAML\XMLSecurity\XML\ds; |
|
6
|
|
|
|
|
7
|
|
|
use DOMElement; |
|
8
|
|
|
use SimpleSAML\Assert\Assert; |
|
9
|
|
|
use SimpleSAML\XML\Chunk; |
|
10
|
|
|
use SimpleSAML\XML\Exception\InvalidDOMElementException; |
|
11
|
|
|
use SimpleSAML\XML\Exception\SchemaViolationException; |
|
12
|
|
|
use SimpleSAML\XML\ExtendableElementTrait; |
|
13
|
|
|
use SimpleSAML\XMLSecurity\Constants as C; |
|
14
|
|
|
use SimpleSAML\XMLSecurity\Exception\InvalidArgumentException; |
|
15
|
|
|
|
|
16
|
|
|
/** |
|
17
|
|
|
* Class representing a ds:DigestMethod element. |
|
18
|
|
|
* |
|
19
|
|
|
* @package simplesamlphp/xml-security |
|
20
|
|
|
*/ |
|
21
|
|
|
final class DigestMethod extends AbstractDsElement |
|
22
|
|
|
{ |
|
23
|
|
|
use ExtendableElementTrait; |
|
24
|
|
|
|
|
25
|
|
|
public const NAMESPACE = C::XS_ANY_NS_OTHER; |
|
26
|
|
|
|
|
27
|
|
|
/** |
|
28
|
|
|
* The algorithm. |
|
29
|
|
|
* |
|
30
|
|
|
* @var string |
|
31
|
|
|
*/ |
|
32
|
|
|
protected string $Algorithm; |
|
33
|
|
|
|
|
34
|
|
|
|
|
35
|
|
|
/** |
|
36
|
|
|
* Initialize a DigestMethod element. |
|
37
|
|
|
* |
|
38
|
|
|
* @param string $algorithm |
|
39
|
|
|
* @param \SimpleSAML\XML\Chunk[] $elements |
|
40
|
|
|
*/ |
|
41
|
|
|
public function __construct(string $algorithm, array $elements = []) |
|
42
|
|
|
{ |
|
43
|
|
|
$this->setAlgorithm($algorithm); |
|
44
|
|
|
$this->setElements($elements); |
|
45
|
|
|
} |
|
46
|
|
|
|
|
47
|
|
|
|
|
48
|
|
|
/** |
|
49
|
|
|
* Collect the value of the Algorithm-property |
|
50
|
|
|
* |
|
51
|
|
|
* @return string |
|
52
|
|
|
*/ |
|
53
|
|
|
public function getAlgorithm(): string |
|
54
|
|
|
{ |
|
55
|
|
|
return $this->Algorithm; |
|
56
|
|
|
} |
|
57
|
|
|
|
|
58
|
|
|
|
|
59
|
|
|
/** |
|
60
|
|
|
* Set the value of the Algorithm-property |
|
61
|
|
|
* |
|
62
|
|
|
* @param string $algorithm |
|
63
|
|
|
*/ |
|
64
|
|
|
private function setAlgorithm(string $algorithm): void |
|
65
|
|
|
{ |
|
66
|
|
|
Assert::validURI($algorithm, SchemaViolationException::class); |
|
67
|
|
|
Assert::oneOf( |
|
68
|
|
|
$algorithm, |
|
69
|
|
|
array_keys(C::$DIGEST_ALGORITHMS), |
|
70
|
|
|
'Invalid digest method', |
|
71
|
|
|
InvalidArgumentException::class, |
|
72
|
|
|
); |
|
73
|
|
|
|
|
74
|
|
|
$this->Algorithm = $algorithm; |
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
|
|
|
|
78
|
|
|
/** |
|
79
|
|
|
* Convert XML into a DigestMethod |
|
80
|
|
|
* |
|
81
|
|
|
* @param \DOMElement $xml The XML element we should load |
|
82
|
|
|
* @return static |
|
83
|
|
|
* |
|
84
|
|
|
* @throws \SimpleSAML\XML\Exception\InvalidDOMElementException |
|
85
|
|
|
* If the qualified name of the supplied element is wrong |
|
86
|
|
|
*/ |
|
87
|
|
|
public static function fromXML(DOMElement $xml): static |
|
88
|
|
|
{ |
|
89
|
|
|
Assert::same($xml->localName, 'DigestMethod', InvalidDOMElementException::class); |
|
90
|
|
|
Assert::same($xml->namespaceURI, DigestMethod::NS, InvalidDOMElementException::class); |
|
91
|
|
|
|
|
92
|
|
|
/** @psalm-var string $Algorithm */ |
|
93
|
|
|
$Algorithm = DigestMethod::getAttribute($xml, 'Algorithm'); |
|
94
|
|
|
|
|
95
|
|
|
$elements = []; |
|
96
|
|
|
foreach ($xml->childNodes as $elt) { |
|
97
|
|
|
if (!($elt instanceof DOMElement)) { |
|
98
|
|
|
continue; |
|
99
|
|
|
} |
|
100
|
|
|
|
|
101
|
|
|
$elements[] = new Chunk($elt); |
|
102
|
|
|
} |
|
103
|
|
|
|
|
104
|
|
|
return new static($Algorithm, $elements); |
|
105
|
|
|
} |
|
106
|
|
|
|
|
107
|
|
|
|
|
108
|
|
|
/** |
|
109
|
|
|
* Convert this DigestMethod element to XML. |
|
110
|
|
|
* |
|
111
|
|
|
* @param \DOMElement|null $parent The element we should append this DigestMethod element to. |
|
112
|
|
|
* @return \DOMElement |
|
113
|
|
|
*/ |
|
114
|
|
|
public function toXML(DOMElement $parent = null): DOMElement |
|
115
|
|
|
{ |
|
116
|
|
|
$e = $this->instantiateParentElement($parent); |
|
117
|
|
|
$e->setAttribute('Algorithm', $this->getAlgorithm()); |
|
118
|
|
|
|
|
119
|
|
|
/** @psalm-var \SimpleSAML\XML\SerializableElementInterface $elt */ |
|
120
|
|
|
foreach ($this->elements as $elt) { |
|
121
|
|
|
if (!$elt->isEmptyElement()) { |
|
122
|
|
|
$elt->toXML($e); |
|
123
|
|
|
} |
|
124
|
|
|
} |
|
125
|
|
|
|
|
126
|
|
|
return $e; |
|
127
|
|
|
} |
|
128
|
|
|
} |
|
129
|
|
|
|