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