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Backport samlp:RequestedAuthnContext
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| <?php | ||
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| declare(strict_types=1); | ||
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| namespace SimpleSAML\SAML2\XML\samlp; | ||
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| use DOMElement; | ||
| use SimpleSAML\Assert\Assert; | ||
| use SimpleSAML\SAML2\Utils; | ||
| use SimpleSAML\SAML2\XML\saml\AuthnContextClassRef; | ||
| use SimpleSAML\SAML2\XML\saml\AuthnContextDeclRef; | ||
| use SimpleSAML\XML\Constants as C; | ||
| use SimpleSAML\XML\Exception\InvalidDOMElementException; | ||
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| use function array_merge; | ||
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| /** | ||
| * Class representing SAML2 RequestedAuthnContext | ||
| * | ||
| * @package simplesamlphp/saml2 | ||
| */ | ||
| final class RequestedAuthnContext extends AbstractSamlpElement | ||
| { | ||
| /** | ||
| * Initialize a RequestedAuthnContext. | ||
| * | ||
| * @param ( | ||
| * \SimpleSAML\SAML2\XML\saml\AuthnContextClassRef| | ||
| * \SimpleSAML\SAML2\XML\saml\AuthnContextDeclRef | ||
| * )[] $requestedAuthnContexts | ||
| * @param string $Comparison | ||
| */ | ||
| public function __construct( | ||
| protected array $requestedAuthnContexts = [], | ||
| protected ?string $Comparison = null, | ||
| ) { | ||
| Assert::maxCount($requestedAuthnContexts, C::UNBOUNDED_LIMIT); | ||
| Assert::minCount($requestedAuthnContexts, 1); | ||
| Assert::allIsInstanceOfAny($requestedAuthnContexts, [AuthnContextClassRef::class, AuthnContextDeclRef::class]); | ||
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| if ($requestedAuthnContexts[0] instanceof AuthnContextClassRef) { | ||
| Assert::allIsInstanceOf( | ||
| $requestedAuthnContexts, | ||
| AuthnContextClassRef::class, | ||
| 'You need either AuthnContextClassRef or AuthnContextDeclRef, not both.', | ||
| ); | ||
| } else { // Can only be AuthnContextDeclRef | ||
| Assert::allIsInstanceOf( | ||
| $requestedAuthnContexts, | ||
| AuthnContextDeclRef::class, | ||
| 'You need either AuthnContextClassRef or AuthnContextDeclRef, not both.', | ||
| ); | ||
| } | ||
| Assert::nullOrOneOf($Comparison, ['exact', 'minimum', 'maximum', 'better']); | ||
| } | ||
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| /** | ||
| * Collect the value of the requestedAuthnContexts-property | ||
| * | ||
| * @return (\SimpleSAML\SAML2\XML\saml\AuthnContextClassRef|\SimpleSAML\SAML2\XML\saml\AuthnContextDeclRef)[] | ||
| */ | ||
| public function getRequestedAuthnContexts(): array | ||
| { | ||
| return $this->requestedAuthnContexts; | ||
| } | ||
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| /** | ||
| * Collect the value of the Comparison-property | ||
| * | ||
| * @return string|null | ||
| */ | ||
| public function getComparison(): ?string | ||
| { | ||
| return $this->Comparison; | ||
| } | ||
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| /** | ||
| * Convert XML into a RequestedAuthnContext | ||
| * | ||
| * @param \DOMElement $xml The XML element we should load | ||
| * @return static | ||
| * | ||
| * @throws \SimpleSAML\XML\Exception\InvalidDOMElementException | ||
| * if the qualified name of the supplied element is wrong | ||
| */ | ||
| public static function fromXML(DOMElement $xml): static | ||
| { | ||
| Assert::same($xml->localName, 'RequestedAuthnContext', InvalidDOMElementException::class); | ||
| Assert::same($xml->namespaceURI, RequestedAuthnContext::NS, InvalidDOMElementException::class); | ||
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| return new static( | ||
| array_merge( | ||
| AuthnContextClassRef::getChildrenOfClass($xml), | ||
| AuthnContextDeclRef::getChildrenOfClass($xml), | ||
| ), | ||
| self::getOptionalAttribute($xml, 'Comparison', null), | ||
| ); | ||
| } | ||
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| /** | ||
| * Convert this RequestedAuthnContext to XML. | ||
| * | ||
| * @param \DOMElement|null $parent The element we should append this RequestedAuthnContext to. | ||
| * @return \DOMElement | ||
| */ | ||
| public function toXML(DOMElement $parent = null): DOMElement | ||
| { | ||
| /** @psalm-var \DOMDocument $e->ownerDocument */ | ||
| $e = $this->instantiateParentElement($parent); | ||
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| foreach ($this->getRequestedAuthnContexts() as $context) { | ||
| $context->toXML($e); | ||
| } | ||
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| if ($this->getComparison() !== null) { | ||
| $e->setAttribute('Comparison', $this->getComparison()); | ||
| } | ||
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| return $e; | ||
| } | ||
| } |
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