1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
declare(strict_types=1); |
4
|
|
|
|
5
|
|
|
namespace SimpleSAML\SAML2\XML\samlp; |
6
|
|
|
|
7
|
|
|
use DateTimeImmutable; |
8
|
|
|
use DOMElement; |
9
|
|
|
use SimpleSAML\SAML2\Assert\Assert; |
10
|
|
|
use SimpleSAML\SAML2\Exception\Protocol\RequestVersionTooHighException; |
11
|
|
|
use SimpleSAML\SAML2\Exception\Protocol\RequestVersionTooLowException; |
12
|
|
|
use SimpleSAML\SAML2\Exception\ProtocolViolationException; |
13
|
|
|
use SimpleSAML\SAML2\Utils\XPath; |
14
|
|
|
use SimpleSAML\SAML2\XML\saml\Issuer; |
15
|
|
|
use SimpleSAML\XML\Exception\InvalidDOMElementException; |
16
|
|
|
use SimpleSAML\XML\Exception\TooManyElementsException; |
17
|
|
|
use SimpleSAML\XML\SchemaValidatableElementInterface; |
18
|
|
|
use SimpleSAML\XML\SchemaValidatableElementTrait; |
19
|
|
|
use SimpleSAML\XMLSecurity\XML\ds\Signature; |
20
|
|
|
|
21
|
|
|
use function array_pop; |
22
|
|
|
use function preg_replace; |
23
|
|
|
use function version_compare; |
24
|
|
|
|
25
|
|
|
/** |
26
|
|
|
* The \SimpleSAML\SAML2\XML\samlp\ArtifactResponse, |
27
|
|
|
* is the response to the \SimpleSAML\SAML2\XML\samlp\ArtifactResolve. |
28
|
|
|
* |
29
|
|
|
* @package simplesamlphp/saml2 |
30
|
|
|
*/ |
31
|
|
|
class ArtifactResponse extends AbstractStatusResponse implements SchemaValidatableElementInterface |
32
|
|
|
{ |
33
|
|
|
use SchemaValidatableElementTrait; |
|
|
|
|
34
|
|
|
|
35
|
|
|
/** |
36
|
|
|
* Constructor for SAML 2 ArtifactResponse. |
37
|
|
|
* |
38
|
|
|
* @param \SimpleSAML\SAML2\XML\samlp\Status $status |
39
|
|
|
* @param \DateTimeImmutable $issueInstant |
40
|
|
|
* @param \SimpleSAML\SAML2\XML\saml\Issuer|null $issuer |
41
|
|
|
* @param string|null $id |
42
|
|
|
* @param string $version |
43
|
|
|
* @param string|null $inResponseTo |
44
|
|
|
* @param string|null $destination |
45
|
|
|
* @param string|null $consent |
46
|
|
|
* @param \SimpleSAML\SAML2\XML\samlp\Extensions|null $extensions |
47
|
|
|
* @param \SimpleSAML\SAML2\XML\samlp\AbstractMessage|null $message |
48
|
|
|
*/ |
49
|
|
|
final public function __construct( |
50
|
|
|
Status $status, |
51
|
|
|
DateTimeImmutable $issueInstant, |
52
|
|
|
?Issuer $issuer = null, |
53
|
|
|
?string $id = null, |
54
|
|
|
string $version = '2.0', |
55
|
|
|
?string $inResponseTo = null, |
56
|
|
|
?string $destination = null, |
57
|
|
|
?string $consent = null, |
58
|
|
|
?Extensions $extensions = null, |
59
|
|
|
protected ?AbstractMessage $message = null, |
60
|
|
|
) { |
61
|
|
|
parent::__construct( |
62
|
|
|
$status, |
63
|
|
|
$issueInstant, |
64
|
|
|
$issuer, |
65
|
|
|
$id, |
66
|
|
|
$version, |
67
|
|
|
$inResponseTo, |
68
|
|
|
$destination, |
69
|
|
|
$consent, |
70
|
|
|
$extensions, |
71
|
|
|
); |
72
|
|
|
} |
73
|
|
|
|
74
|
|
|
|
75
|
|
|
/** |
76
|
|
|
* Collect the value of the any-property |
77
|
|
|
* |
78
|
|
|
* @return \SimpleSAML\SAML2\XML\samlp\AbstractMessage|null |
79
|
|
|
*/ |
80
|
|
|
public function getMessage(): ?AbstractMessage |
81
|
|
|
{ |
82
|
|
|
return $this->message; |
83
|
|
|
} |
84
|
|
|
|
85
|
|
|
|
86
|
|
|
/** |
87
|
|
|
* Convert XML into an ArtifactResponse |
88
|
|
|
* |
89
|
|
|
* @param \DOMElement $xml |
90
|
|
|
* @return static |
91
|
|
|
* |
92
|
|
|
* @throws \SimpleSAML\XML\Exception\InvalidDOMElementException |
93
|
|
|
* if the qualified name of the supplied element is wrong |
94
|
|
|
* @throws \SimpleSAML\XML\Exception\MissingAttributeException |
95
|
|
|
* if the supplied element is missing one of the mandatory attributes |
96
|
|
|
*/ |
97
|
|
|
public static function fromXML(DOMElement $xml): static |
98
|
|
|
{ |
99
|
|
|
Assert::same($xml->localName, 'ArtifactResponse', InvalidDOMElementException::class); |
100
|
|
|
Assert::same($xml->namespaceURI, ArtifactResponse::NS, InvalidDOMElementException::class); |
101
|
|
|
|
102
|
|
|
$version = self::getAttribute($xml, 'Version'); |
103
|
|
|
Assert::true(version_compare('2.0', $version, '<='), RequestVersionTooLowException::class); |
104
|
|
|
Assert::true(version_compare('2.0', $version, '>='), RequestVersionTooHighException::class); |
105
|
|
|
|
106
|
|
|
$id = self::getAttribute($xml, 'ID'); |
107
|
|
|
Assert::validNCName($id); // Covers the empty string |
108
|
|
|
|
109
|
|
|
$inResponseTo = self::getOptionalAttribute($xml, 'InResponseTo', null); |
110
|
|
|
$destination = self::getOptionalAttribute($xml, 'Destination', null); |
111
|
|
|
$consent = self::getOptionalAttribute($xml, 'Consent', null); |
112
|
|
|
|
113
|
|
|
$issueInstant = self::getAttribute($xml, 'IssueInstant'); |
114
|
|
|
// Strip sub-seconds - See paragraph 1.3.3 of SAML core specifications |
115
|
|
|
$issueInstant = preg_replace('/([.][0-9]+Z)$/', 'Z', $issueInstant, 1); |
116
|
|
|
|
117
|
|
|
Assert::validDateTime($issueInstant, ProtocolViolationException::class); |
118
|
|
|
$issueInstant = new DateTimeImmutable($issueInstant); |
119
|
|
|
|
120
|
|
|
$issuer = Issuer::getChildrenOfClass($xml); |
121
|
|
|
Assert::countBetween($issuer, 0, 1); |
122
|
|
|
|
123
|
|
|
// find message; it should come last, after the Status-element |
124
|
|
|
$status = XPath::xpQuery($xml, './saml_protocol:Status', XPath::getXPath($xml)); |
125
|
|
|
$status = $status[0]; |
126
|
|
|
$message = null; |
127
|
|
|
|
128
|
|
|
/** @psalm-suppress RedundantCondition */ |
129
|
|
|
for ($child = $status->nextSibling; $child !== null; $child = $child->nextSibling) { |
130
|
|
|
if ($child instanceof DOMElement) { |
131
|
|
|
$message = MessageFactory::fromXML($child); |
132
|
|
|
break; |
133
|
|
|
} |
134
|
|
|
/* Ignore comments and text nodes. */ |
135
|
|
|
} |
136
|
|
|
|
137
|
|
|
$status = Status::getChildrenOfClass($xml); |
138
|
|
|
Assert::count($status, 1); |
139
|
|
|
|
140
|
|
|
$extensions = Extensions::getChildrenOfClass($xml); |
141
|
|
|
Assert::maxCount( |
142
|
|
|
$extensions, |
143
|
|
|
1, |
144
|
|
|
'Only one saml:Extensions element is allowed.', |
145
|
|
|
TooManyElementsException::class, |
146
|
|
|
); |
147
|
|
|
|
148
|
|
|
$signature = Signature::getChildrenOfClass($xml); |
149
|
|
|
Assert::maxCount( |
150
|
|
|
$signature, |
151
|
|
|
1, |
152
|
|
|
'Only one ds:Signature element is allowed.', |
153
|
|
|
TooManyElementsException::class, |
154
|
|
|
); |
155
|
|
|
|
156
|
|
|
$response = new static( |
157
|
|
|
array_pop($status), |
158
|
|
|
$issueInstant, |
159
|
|
|
empty($issuer) ? null : array_pop($issuer), |
160
|
|
|
$id, |
161
|
|
|
$version, |
162
|
|
|
$inResponseTo, |
163
|
|
|
$destination, |
164
|
|
|
$consent, |
165
|
|
|
empty($extensions) ? null : array_pop($extensions), |
166
|
|
|
$message, |
167
|
|
|
); |
168
|
|
|
|
169
|
|
|
if (!empty($signature)) { |
170
|
|
|
$response->setSignature($signature[0]); |
171
|
|
|
$response->setXML($xml); |
172
|
|
|
} |
173
|
|
|
|
174
|
|
|
return $response; |
175
|
|
|
} |
176
|
|
|
|
177
|
|
|
|
178
|
|
|
/** |
179
|
|
|
* Convert this message to an unsigned XML document. |
180
|
|
|
* This method does not sign the resulting XML document. |
181
|
|
|
* |
182
|
|
|
* @return \DOMElement The root element of the DOM tree |
183
|
|
|
*/ |
184
|
|
|
protected function toUnsignedXML(?DOMElement $parent = null): DOMElement |
185
|
|
|
{ |
186
|
|
|
$e = parent::toUnsignedXML($parent); |
187
|
|
|
|
188
|
|
|
$this->getMessage()?->toXML($e); |
189
|
|
|
|
190
|
|
|
return $e; |
191
|
|
|
} |
192
|
|
|
} |
193
|
|
|
|