|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace SimpleSAML\SAML2\XML\saml; |
|
6
|
|
|
|
|
7
|
|
|
use DOMElement; |
|
8
|
|
|
use SimpleSAML\SAML2\Assert\Assert; |
|
9
|
|
|
use SimpleSAML\SAML2\Constants as C; |
|
10
|
|
|
use SimpleSAML\SAML2\Utils; |
|
11
|
|
|
use SimpleSAML\SAML2\XML\ExtensionPointInterface; |
|
12
|
|
|
use SimpleSAML\SAML2\XML\ExtensionPointTrait; |
|
13
|
|
|
use SimpleSAML\XML\Attribute as XMLAttribute; |
|
14
|
|
|
use SimpleSAML\XML\Chunk; |
|
15
|
|
|
use SimpleSAML\XML\Exception\InvalidDOMElementException; |
|
16
|
|
|
use SimpleSAML\XML\Exception\SchemaViolationException; |
|
17
|
|
|
use SimpleSAML\XML\SchemaValidatableElementInterface; |
|
18
|
|
|
use SimpleSAML\XML\SchemaValidatableElementTrait; |
|
19
|
|
|
|
|
20
|
|
|
use function count; |
|
21
|
|
|
use function explode; |
|
22
|
|
|
|
|
23
|
|
|
/** |
|
24
|
|
|
* SAML Condition data type. |
|
25
|
|
|
* |
|
26
|
|
|
* @package simplesamlphp/saml2 |
|
27
|
|
|
*/ |
|
28
|
|
|
abstract class AbstractCondition extends AbstractConditionType implements |
|
29
|
|
|
ExtensionPointInterface, |
|
30
|
|
|
SchemaValidatableElementInterface |
|
31
|
|
|
{ |
|
32
|
|
|
use ExtensionPointTrait; |
|
33
|
|
|
use SchemaValidatableElementTrait; |
|
34
|
|
|
|
|
35
|
|
|
|
|
36
|
|
|
/** @var string */ |
|
37
|
|
|
public const LOCALNAME = 'Condition'; |
|
38
|
|
|
|
|
39
|
|
|
|
|
40
|
|
|
/** |
|
41
|
|
|
* Initialize a custom saml:Condition element. |
|
42
|
|
|
* |
|
43
|
|
|
* @param string $type |
|
44
|
|
|
*/ |
|
45
|
|
|
protected function __construct( |
|
46
|
|
|
protected string $type, |
|
47
|
|
|
) { |
|
48
|
|
|
} |
|
49
|
|
|
|
|
50
|
|
|
|
|
51
|
|
|
/** |
|
52
|
|
|
* @inheritDoc |
|
53
|
|
|
*/ |
|
54
|
|
|
public function getXsiType(): string |
|
55
|
|
|
{ |
|
56
|
|
|
return $this->type; |
|
57
|
|
|
} |
|
58
|
|
|
|
|
59
|
|
|
|
|
60
|
|
|
/** |
|
61
|
|
|
* Convert an XML element into a Condition. |
|
62
|
|
|
* |
|
63
|
|
|
* @param \DOMElement $xml The root XML element |
|
64
|
|
|
* @return static |
|
65
|
|
|
* |
|
66
|
|
|
* @throws \SimpleSAML\XML\Exception\InvalidDOMElementException |
|
67
|
|
|
* if the qualified name of the supplied element is wrong |
|
68
|
|
|
*/ |
|
69
|
|
|
public static function fromXML(DOMElement $xml): static |
|
70
|
|
|
{ |
|
71
|
|
|
Assert::same($xml->localName, 'Condition', InvalidDOMElementException::class); |
|
72
|
|
|
Assert::same($xml->namespaceURI, C::NS_SAML, InvalidDOMElementException::class); |
|
73
|
|
|
Assert::true( |
|
74
|
|
|
$xml->hasAttributeNS(C::NS_XSI, 'type'), |
|
75
|
|
|
'Missing required xsi:type in <saml:Condition> element.', |
|
76
|
|
|
SchemaViolationException::class, |
|
77
|
|
|
); |
|
78
|
|
|
|
|
79
|
|
|
$type = $xml->getAttributeNS(C::NS_XSI, 'type'); |
|
80
|
|
|
Assert::validQName($type, SchemaViolationException::class); |
|
81
|
|
|
|
|
82
|
|
|
// first, try to resolve the type to a full namespaced version |
|
83
|
|
|
$qname = explode(':', $type, 2); |
|
84
|
|
|
if (count($qname) === 2) { |
|
85
|
|
|
list($prefix, $element) = $qname; |
|
86
|
|
|
} else { |
|
87
|
|
|
$prefix = null; |
|
88
|
|
|
list($element) = $qname; |
|
89
|
|
|
} |
|
90
|
|
|
$ns = $xml->lookupNamespaceUri($prefix); |
|
91
|
|
|
$type = ($ns === null) ? $element : implode(':', [$ns, $element]); |
|
92
|
|
|
|
|
93
|
|
|
// now check if we have a handler registered for it |
|
94
|
|
|
$handler = Utils::getContainer()->getExtensionHandler($type); |
|
95
|
|
|
if ($handler === null) { |
|
96
|
|
|
// we don't have a handler, proceed with unknown condition |
|
97
|
|
|
return new UnknownCondition(new Chunk($xml), $type); |
|
98
|
|
|
} |
|
99
|
|
|
|
|
100
|
|
|
Assert::subclassOf( |
|
101
|
|
|
$handler, |
|
102
|
|
|
AbstractCondition::class, |
|
103
|
|
|
'Elements implementing Condition must extend \SimpleSAML\SAML2\XML\saml\AbstractCondition.', |
|
104
|
|
|
); |
|
105
|
|
|
return $handler::fromXML($xml); |
|
106
|
|
|
} |
|
107
|
|
|
|
|
108
|
|
|
|
|
109
|
|
|
/** |
|
110
|
|
|
* Convert this Condition to XML. |
|
111
|
|
|
* |
|
112
|
|
|
* @param \DOMElement $parent The element we are converting to XML. |
|
113
|
|
|
* @return \DOMElement The XML element after adding the data corresponding to this Condition. |
|
114
|
|
|
*/ |
|
115
|
|
|
public function toXML(?DOMElement $parent = null): DOMElement |
|
116
|
|
|
{ |
|
117
|
|
|
$e = $this->instantiateParentElement($parent); |
|
118
|
|
|
$e->setAttributeNS( |
|
119
|
|
|
'http://www.w3.org/2000/xmlns/', |
|
120
|
|
|
'xmlns:' . static::getXsiTypePrefix(), |
|
121
|
|
|
static::getXsiTypeNamespaceURI(), |
|
122
|
|
|
); |
|
123
|
|
|
|
|
124
|
|
|
$type = new XMLAttribute(C::NS_XSI, 'xsi', 'type', $this->getXsiType()); |
|
125
|
|
|
$type->toXML($e); |
|
126
|
|
|
|
|
127
|
|
|
return $e; |
|
128
|
|
|
} |
|
129
|
|
|
} |
|
130
|
|
|
|
simplesamlphp /
saml2
