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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\SAML2\XML\md; |
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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\XML\Exception\TooManyElementsException; |
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use SimpleSAML\XML\Utils as XMLUtils; |
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use SimpleSAML\XMLSecurity\XML\ds\Signature; |
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use function array_filter; |
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use function is_bool; |
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use function preg_split; |
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/** |
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* Class representing SAML 2 SPSSODescriptor. |
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* |
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* @package simplesamlphp/saml2 |
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*/ |
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final class SPSSODescriptor extends AbstractSSODescriptor |
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{ |
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/** |
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* Whether this SP signs authentication requests. |
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* |
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* @var bool|null |
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*/ |
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protected ?bool $authnRequestsSigned = null; |
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/** |
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* Whether this SP wants the Assertion elements to be signed. |
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* |
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* @var bool|null |
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*/ |
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protected ?bool $wantAssertionsSigned = null; |
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/** |
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* List of AssertionConsumerService endpoints for this SP. |
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* |
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* Array with IndexedEndpointType objects. |
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* |
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* @var \SimpleSAML\SAML2\XML\md\AssertionConsumerService[] |
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*/ |
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protected array $assertionConsumerService = []; |
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/** |
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* List of AttributeConsumingService descriptors for this SP. |
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* |
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* Array with \SimpleSAML\SAML2\XML\md\AttributeConsumingService objects. |
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* |
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* @var \SimpleSAML\SAML2\XML\md\AttributeConsumingService[] |
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*/ |
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protected array $attributeConsumingService = []; |
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/** |
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* SPSSODescriptor constructor. |
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* |
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* @param \SimpleSAML\SAML2\XML\md\AssertionConsumerService[] $assertionConsumerService |
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* @param string[] $protocolSupportEnumeration |
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* @param bool|null $authnRequestsSigned |
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* @param bool|null $wantAssertionsSigned |
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* @param \SimpleSAML\SAML2\XML\md\AttributeConsumingService[] $attributeConsumingService |
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* @param string|null $ID |
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* @param int|null $validUntil |
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* @param string|null $cacheDuration |
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* @param \SimpleSAML\SAML2\XML\md\Extensions|null $extensions |
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* @param string|null $errorURL |
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* @param \SimpleSAML\SAML2\XML\md\KeyDescriptor[] $keyDescriptors |
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* @param \SimpleSAML\SAML2\XML\md\Organization|null $organization |
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* @param \SimpleSAML\SAML2\XML\md\ContactPerson[] $contacts |
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* @param \SimpleSAML\SAML2\XML\md\ArtifactResolutionService[] $artifactResolutionService |
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* @param \SimpleSAML\SAML2\XML\md\SingleLogoutService[] $singleLogoutService |
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* @param \SimpleSAML\SAML2\XML\md\ManageNameIDService[] $manageNameIDService |
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* @param \SimpleSAML\SAML2\XML\md\NameIDFormat[] $nameIDFormat |
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*/ |
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public function __construct( |
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array $assertionConsumerService, |
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array $protocolSupportEnumeration, |
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?bool $authnRequestsSigned = null, |
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?bool $wantAssertionsSigned = null, |
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array $attributeConsumingService = [], |
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?string $ID = null, |
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?int $validUntil = null, |
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?string $cacheDuration = null, |
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?Extensions $extensions = null, |
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?string $errorURL = null, |
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array $keyDescriptors = [], |
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?Organization $organization = null, |
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array $contacts = [], |
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array $artifactResolutionService = [], |
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array $singleLogoutService = [], |
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array $manageNameIDService = [], |
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array $nameIDFormat = [] |
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) { |
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parent::__construct( |
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$protocolSupportEnumeration, |
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$ID, |
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$validUntil, |
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$cacheDuration, |
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$extensions, |
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$errorURL, |
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$keyDescriptors, |
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$organization, |
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$contacts, |
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$artifactResolutionService, |
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$singleLogoutService, |
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$manageNameIDService, |
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$nameIDFormat |
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); |
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$this->setAssertionConsumerService($assertionConsumerService); |
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$this->setAuthnRequestsSigned($authnRequestsSigned); |
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$this->setWantAssertionsSigned($wantAssertionsSigned); |
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$this->setAttributeConsumingService($attributeConsumingService); |
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// test that only one ACS is marked as default |
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Assert::maxCount( |
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array_filter( |
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$this->getAttributeConsumingService(), |
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function (AttributeConsumingService $acs) { |
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return $acs->getIsDefault() === true; |
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} |
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), |
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1, |
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'Only one md:AttributeConsumingService can be set as default.' |
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); |
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} |
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/** |
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* Collect the value of the AuthnRequestsSigned-property |
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* |
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* @return bool|null |
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*/ |
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public function getAuthnRequestsSigned(): ?bool |
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{ |
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return $this->authnRequestsSigned; |
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} |
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/** |
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* Set the value of the AuthnRequestsSigned-property |
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* |
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* @param bool|null $flag |
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*/ |
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private function setAuthnRequestsSigned(?bool $flag): void |
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{ |
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$this->authnRequestsSigned = $flag; |
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} |
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/** |
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* Collect the value of the WantAssertionsSigned-property |
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* |
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* @return bool|null |
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*/ |
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public function getWantAssertionsSigned(): ?bool |
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{ |
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return $this->wantAssertionsSigned; |
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} |
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/** |
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* Set the value of the WantAssertionsSigned-property |
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* |
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* @param bool|null $flag |
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*/ |
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private function setWantAssertionsSigned(?bool $flag): void |
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{ |
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$this->wantAssertionsSigned = $flag; |
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} |
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/** |
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* Collect the value of the AssertionConsumerService-property |
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* |
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* @return \SimpleSAML\SAML2\XML\md\AssertionConsumerService[] |
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*/ |
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public function getAssertionConsumerService(): array |
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{ |
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return $this->assertionConsumerService; |
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} |
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/** |
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* Set the value of the AssertionConsumerService-property |
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* |
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* @param \SimpleSAML\SAML2\XML\md\AssertionConsumerService[] $acs |
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* @throws \SimpleSAML\Assert\AssertionFailedException |
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*/ |
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private function setAssertionConsumerService(array $acs): void |
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{ |
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Assert::minCount($acs, 1, 'At least one AssertionConsumerService must be specified.'); |
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Assert::allIsInstanceOf( |
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$acs, |
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AssertionConsumerService::class, |
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'All md:AssertionConsumerService endpoints must be an instance of AssertionConsumerService.' |
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); |
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$this->assertionConsumerService = $acs; |
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} |
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/** |
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* Collect the value of the AttributeConsumingService-property |
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* |
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* @return \SimpleSAML\SAML2\XML\md\AttributeConsumingService[] |
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*/ |
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public function getAttributeConsumingService(): array |
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{ |
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return $this->attributeConsumingService; |
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} |
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/** |
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* Set the value of the AttributeConsumingService-property |
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* |
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* @param \SimpleSAML\SAML2\XML\md\AttributeConsumingService[] $acs |
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* @throws \SimpleSAML\Assert\AssertionFailedException |
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*/ |
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private function setAttributeConsumingService(array $acs): void |
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{ |
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Assert::allIsInstanceOf( |
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$acs, |
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AttributeConsumingService::class, |
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'All md:AttributeConsumingService endpoints must be an instance of AttributeConsumingService.' |
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); |
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$this->attributeConsumingService = $acs; |
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} |
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/** |
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* Convert XML into a SPSSODescriptor |
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* |
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* @param \DOMElement $xml The XML element we should load |
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* |
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* @return self |
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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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* @throws \SimpleSAML\XML\Exception\MissingAttributeException |
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* if the supplied element is missing one of the mandatory attributes |
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* @throws \SimpleSAML\XML\Exception\TooManyElementsException |
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* if too many child-elements of a type are specified |
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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, 'SPSSODescriptor', InvalidDOMElementException::class); |
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Assert::same($xml->namespaceURI, SPSSODescriptor::NS, InvalidDOMElementException::class); |
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$protocols = self::getAttribute($xml, 'protocolSupportEnumeration'); |
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$validUntil = self::getAttribute($xml, 'validUntil', null); |
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$orgs = Organization::getChildrenOfClass($xml); |
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Assert::maxCount( |
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$orgs, |
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1, |
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'More than one Organization found in this descriptor', |
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TooManyElementsException::class |
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); |
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$extensions = Extensions::getChildrenOfClass($xml); |
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Assert::maxCount( |
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$extensions, |
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1, |
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'Only one md:Extensions element is allowed.', |
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TooManyElementsException::class |
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); |
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$signature = Signature::getChildrenOfClass($xml); |
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Assert::maxCount( |
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$signature, |
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1, |
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'Only one ds:Signature element is allowed.', |
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TooManyElementsException::class |
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); |
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$spssod = new static( |
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AssertionConsumerService::getChildrenOfClass($xml), |
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preg_split('/[\s]+/', trim($protocols)), |
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self::getBooleanAttribute($xml, 'AuthnRequestsSigned', null), |
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self::getBooleanAttribute($xml, 'WantAssertionsSigned', null), |
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AttributeConsumingService::getChildrenOfClass($xml), |
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self::getAttribute($xml, 'ID', null), |
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$validUntil !== null ? XMLUtils::xsDateTimeToTimestamp($validUntil) : null, |
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self::getAttribute($xml, 'cacheDuration', null), |
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!empty($extensions) ? $extensions[0] : null, |
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self::getAttribute($xml, 'errorURL', null), |
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KeyDescriptor::getChildrenOfClass($xml), |
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!empty($orgs) ? $orgs[0] : null, |
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ContactPerson::getChildrenOfClass($xml), |
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ArtifactResolutionService::getChildrenOfClass($xml), |
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SingleLogoutService::getChildrenOfClass($xml), |
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ManageNameIDService::getChildrenOfClass($xml), |
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NameIDFormat::getChildrenOfClass($xml) |
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); |
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if (!empty($signature)) { |
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$spssod->setSignature($signature[0]); |
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$spssod->setXML($xml); |
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} |
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return $spssod; |
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} |
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/** |
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* Convert this assertion to an unsigned XML document. |
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* This method does not sign the resulting XML document. |
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* |
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* @return \DOMElement The root element of the DOM tree |
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*/ |
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public function toUnsignedXML(?DOMElement $parent = null): DOMElement |
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{ |
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$e = parent::toUnsignedXML($parent); |
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if (is_bool($this->getAuthnRequestsSigned())) { |
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$e->setAttribute('AuthnRequestsSigned', $this->getAuthnRequestsSigned() ? 'true' : 'false'); |
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} |
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if (is_bool($this->getWantAssertionsSigned())) { |
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$e->setAttribute('WantAssertionsSigned', $this->getWantAssertionsSigned() ? 'true' : 'false'); |
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} |
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foreach ($this->getAssertionConsumerService() as $ep) { |
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$ep->toXML($e); |
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} |
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foreach ($this->getAttributeConsumingService() as $acs) { |
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$acs->toXML($e); |
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} |
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return $e; |
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} |
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} |
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