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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\SAML2\Constants as C; |
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use SimpleSAML\SAML2\Exception\ProtocolViolationException; |
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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 is_null; |
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/** |
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* Class representing SAML 2 EntityDescriptor element. |
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* |
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* @package simplesamlphp/saml2 |
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*/ |
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final class EntityDescriptor extends AbstractMetadataDocument |
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{ |
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/** |
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* The entityID this EntityDescriptor represents. |
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* |
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* @var string |
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*/ |
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protected string $entityID; |
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/** |
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* Array with all roles for this entity. |
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* |
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* Array of \SimpleSAML\SAML2\XML\md\RoleDescriptor objects (and subclasses of RoleDescriptor). |
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* |
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* @var \SimpleSAML\SAML2\XML\md\AbstractRoleDescriptor[] |
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*/ |
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protected array $RoleDescriptor = []; |
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/** |
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* AffiliationDescriptor of this entity. |
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* |
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* @var \SimpleSAML\SAML2\XML\md\AffiliationDescriptor|null |
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*/ |
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protected ?AffiliationDescriptor $AffiliationDescriptor = null; |
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/** |
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* Organization of this entity. |
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* |
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* @var \SimpleSAML\SAML2\XML\md\Organization|null |
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*/ |
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protected ?Organization $Organization = null; |
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/** |
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* ContactPerson elements for this entity. |
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* |
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* @var \SimpleSAML\SAML2\XML\md\ContactPerson[] |
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*/ |
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protected array $ContactPerson = []; |
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/** |
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* AdditionalMetadataLocation elements for this entity. |
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* |
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* @var \SimpleSAML\SAML2\XML\md\AdditionalMetadataLocation[] |
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*/ |
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protected array $AdditionalMetadataLocation = []; |
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/** |
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* Initialize an EntitiyDescriptor. |
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* |
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* @param string $entityID The entityID of the entity described by this descriptor. |
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* @param string|null $id The ID for this document. Defaults to null. |
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* @param int|null $validUntil Unix time of validify for this document. Defaults to null. |
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* @param string|null $cacheDuration Maximum time this document can be cached. Defaults to null. |
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* @param \SimpleSAML\SAML2\XML\md\Extensions|null $extensions An array of extensions. |
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* @param \SimpleSAML\SAML2\XML\md\AbstractRoleDescriptor[] $roleDescriptors An array of role descriptors. |
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* @param \SimpleSAML\SAML2\XML\md\AffiliationDescriptor|null $affiliationDescriptor An affiliation descriptor to |
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* use instead of role descriptors. |
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* @param \SimpleSAML\SAML2\XML\md\Organization|null $organization The organization responsible for the SAML entity. |
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* @param \SimpleSAML\SAML2\XML\md\ContactPerson[] $contacts A list of contact persons for this SAML entity. |
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* @param \SimpleSAML\SAML2\XML\md\AdditionalMetadataLocation[] $additionalMdLocations A list of |
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* additional metadata locations. |
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* @param \DOMAttr[] $namespacedAttributes |
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* |
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* @throws \Exception |
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*/ |
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public function __construct( |
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string $entityID, |
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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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array $roleDescriptors = [], |
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?AffiliationDescriptor $affiliationDescriptor = null, |
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?Organization $organization = null, |
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array $contacts = [], |
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array $additionalMdLocations = [], |
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array $namespacedAttributes = [] |
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) { |
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Assert::false( |
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(empty($roleDescriptors) && $affiliationDescriptor === null), |
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'Must have either one of the RoleDescriptors or an AffiliationDescriptor in EntityDescriptor.', |
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ProtocolViolationException::class, |
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); |
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parent::__construct($id, $validUntil, $cacheDuration, $extensions, $namespacedAttributes); |
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$this->setEntityID($entityID); |
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$this->setRoleDescriptors($roleDescriptors); |
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$this->setAffiliationDescriptor($affiliationDescriptor); |
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$this->setOrganization($organization); |
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$this->setContactPersons($contacts); |
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$this->setAdditionalMetadataLocations($additionalMdLocations); |
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} |
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/** |
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* Convert an existing XML into an EntityDescriptor object |
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* |
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* @param \DOMElement $xml An existing EntityDescriptor XML document. |
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* @return \SimpleSAML\SAML2\XML\md\EntityDescriptor An object representing the given document. |
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* |
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* @throws \SimpleSAML\XML\Exception\InvalidDOMElementException if the qualified name of the supplied element is wrong |
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* @throws \SimpleSAML\XML\Exception\MissingAttributeException if the supplied element is missing one of the mandatory attributes |
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* @throws \SimpleSAML\XML\Exception\TooManyElementsException if too many child-elements of a type are specified |
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*/ |
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public static function fromXML(DOMElement $xml): object |
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{ |
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Assert::same($xml->localName, 'EntityDescriptor', InvalidDOMElementException::class); |
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Assert::same($xml->namespaceURI, EntityDescriptor::NS, InvalidDOMElementException::class); |
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$validUntil = self::getAttribute($xml, 'validUntil', null); |
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$extensions = Extensions::getChildrenOfClass($xml); |
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Assert::maxCount($extensions, 1, 'Only one md:Extensions element is allowed.', TooManyElementsException::class); |
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$signature = Signature::getChildrenOfClass($xml); |
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Assert::maxCount($signature, 1, 'Only one ds:Signature element is allowed.', TooManyElementsException::class); |
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$entityID = self::getAttribute($xml, 'entityID'); |
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$roleDescriptors = []; |
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$affiliationDescriptor = null; |
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$organization = null; |
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$contactPersons = []; |
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$additionalMetadataLocation = []; |
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foreach ($xml->childNodes as $node) { |
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if ( |
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!($node instanceof DOMElement) |
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|| ($node->namespaceURI !== C::NS_MD) |
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) { |
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continue; |
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} |
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switch ($node->localName) { |
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case 'Extensions': |
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continue 2; |
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case 'IDPSSODescriptor': |
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$roleDescriptors[] = IDPSSODescriptor::fromXML($node); |
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break; |
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case 'SPSSODescriptor': |
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$roleDescriptors[] = SPSSODescriptor::fromXML($node); |
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break; |
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case 'AuthnAuthorityDescriptor': |
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$roleDescriptors[] = AuthnAuthorityDescriptor::fromXML($node); |
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break; |
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case 'AttributeAuthorityDescriptor': |
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$roleDescriptors[] = AttributeAuthorityDescriptor::fromXML($node); |
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break; |
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case 'PDPDescriptor': |
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$roleDescriptors[] = PDPDescriptor::fromXML($node); |
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break; |
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case 'AffiliationDescriptor': |
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if ($affiliationDescriptor !== null) { |
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throw new TooManyElementsException('More than one AffiliationDescriptor in the entity.'); |
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} |
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$affiliationDescriptor = AffiliationDescriptor::fromXML($node); |
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break; |
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case 'Organization': |
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if ($organization !== null) { |
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throw new TooManyElementsException('More than one Organization in the entity.'); |
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} |
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$organization = Organization::fromXML($node); |
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break; |
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case 'ContactPerson': |
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$contactPersons[] = ContactPerson::fromXML($node); |
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break; |
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case 'AdditionalMetadataLocation': |
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$additionalMetadataLocation[] = AdditionalMetadataLocation::fromXML($node); |
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break; |
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default: |
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$roleDescriptors[] = UnknownRoleDescriptor::fromXML($node); |
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} |
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} |
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Assert::false( |
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empty($roleDescriptors) && is_null($affiliationDescriptor), |
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'Must have either one of the RoleDescriptors or an AffiliationDescriptor in EntityDescriptor.', |
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ProtocolViolationException::class, |
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); |
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Assert::false( |
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!empty($roleDescriptors) && !is_null($affiliationDescriptor), |
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'AffiliationDescriptor cannot be combined with other RoleDescriptor elements in EntityDescriptor.', |
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ProtocolViolationException::class, |
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); |
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$entity = new self( |
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$entityID, |
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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) ? $extensions[0] : null, |
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$roleDescriptors, |
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$affiliationDescriptor, |
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$organization, |
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$contactPersons, |
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$additionalMetadataLocation, |
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self::getAttributesNSFromXML($xml) |
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); |
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if (!empty($signature)) { |
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$entity->setSignature($signature[0]); |
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} |
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$entity->setXML($xml); |
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return $entity; |
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} |
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/** |
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* Collect the value of the entityID property. |
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* |
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* @return string |
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* @throws \SimpleSAML\Assert\AssertionFailedException |
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*/ |
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public function getEntityID(): string |
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{ |
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Assert::notEmpty($this->entityID); |
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return $this->entityID; |
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} |
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/** |
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* Set the value of the entityID-property |
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* @param string $entityId |
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*/ |
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protected function setEntityID(string $entityId): void |
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{ |
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Assert::notEmpty($entityId, 'The entityID attribute cannot be empty.'); |
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Assert::maxLength($entityId, C::ENTITYID_MAX_LENGTH, 'The entityID attribute cannot be longer than 1024 characters.'); |
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$this->entityID = $entityId; |
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} |
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/** |
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* Collect the value of the RoleDescriptor property. |
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* |
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* @return \SimpleSAML\SAML2\XML\md\AbstractRoleDescriptor[] |
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*/ |
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public function getRoleDescriptors(): array |
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{ |
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return $this->RoleDescriptor; |
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} |
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/** |
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* Set the value of the RoleDescriptor property. |
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* |
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* @param \SimpleSAML\SAML2\XML\md\AbstractRoleDescriptor[] $roleDescriptors |
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* @throws \SimpleSAML\Assert\AssertionFailedException |
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*/ |
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protected function setRoleDescriptors(array $roleDescriptors): void |
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{ |
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Assert::allIsInstanceOf( |
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$roleDescriptors, |
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AbstractRoleDescriptor::class, |
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'All role descriptors must extend AbstractRoleDescriptor.' |
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); |
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$this->RoleDescriptor = $roleDescriptors; |
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} |
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/** |
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* Collect the value of the AffiliationDescriptor property. |
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* |
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* @return \SimpleSAML\SAML2\XML\md\AffiliationDescriptor|null |
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*/ |
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public function getAffiliationDescriptor(): ?AffiliationDescriptor |
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{ |
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return $this->AffiliationDescriptor; |
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293
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} |
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/** |
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* Set the value of the AffliationDescriptor property. |
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* |
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* @param \SimpleSAML\SAML2\XML\md\AffiliationDescriptor|null $affiliationDescriptor |
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300
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*/ |
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protected function setAffiliationDescriptor(?AffiliationDescriptor $affiliationDescriptor = null): void |
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{ |
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$this->AffiliationDescriptor = $affiliationDescriptor; |
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} |
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/** |
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* Collect the value of the Organization property. |
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309
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* |
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310
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* @return \SimpleSAML\SAML2\XML\md\Organization|null |
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311
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*/ |
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312
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public function getOrganization(): ?Organization |
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313
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{ |
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314
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return $this->Organization; |
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315
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} |
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318
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/** |
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319
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* Set the value of the Organization property. |
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320
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* |
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321
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* @param \SimpleSAML\SAML2\XML\md\Organization|null $organization |
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322
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*/ |
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323
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protected function setOrganization(?Organization $organization = null): void |
|
324
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|
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{ |
|
325
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$this->Organization = $organization; |
|
326
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} |
|
327
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328
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329
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/** |
|
330
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* Collect the value of the ContactPerson property. |
|
331
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* |
|
332
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* @return \SimpleSAML\SAML2\XML\md\ContactPerson[] |
|
333
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*/ |
|
334
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public function getContactPersons(): array |
|
335
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{ |
|
336
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return $this->ContactPerson; |
|
337
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} |
|
338
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|
339
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|
|
340
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/** |
|
341
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* Set the value of the ContactPerson property. |
|
342
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* |
|
343
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* @param array $contactPerson |
|
344
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|
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* @throws \SimpleSAML\Assert\AssertionFailedException |
|
345
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|
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*/ |
|
346
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|
|
protected function setContactPersons(array $contactPerson): void |
|
347
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{ |
|
348
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Assert::allIsInstanceOf( |
|
349
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|
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$contactPerson, |
|
350
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|
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ContactPerson::class, |
|
351
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|
|
'All md:ContactPerson elements must be an instance of ContactPerson.' |
|
352
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); |
|
353
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|
|
$this->ContactPerson = $contactPerson; |
|
354
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|
|
} |
|
355
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|
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|
|
356
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|
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|
|
357
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|
|
/** |
|
358
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|
|
* Collect the value of the AdditionalMetadataLocation property. |
|
359
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|
|
* |
|
360
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|
|
* @return \SimpleSAML\SAML2\XML\md\AdditionalMetadataLocation[] |
|
361
|
|
|
*/ |
|
362
|
|
|
public function getAdditionalMetadataLocations(): array |
|
363
|
|
|
{ |
|
364
|
|
|
return $this->AdditionalMetadataLocation; |
|
365
|
|
|
} |
|
366
|
|
|
|
|
367
|
|
|
|
|
368
|
|
|
/** |
|
369
|
|
|
* Set the value of the AdditionalMetadataLocation property. |
|
370
|
|
|
* |
|
371
|
|
|
* @param array $additionalMetadataLocation |
|
372
|
|
|
* @throws \SimpleSAML\Assert\AssertionFailedException |
|
373
|
|
|
*/ |
|
374
|
|
|
protected function setAdditionalMetadataLocations(array $additionalMetadataLocation): void |
|
375
|
|
|
{ |
|
376
|
|
|
Assert::allIsInstanceOf( |
|
377
|
|
|
$additionalMetadataLocation, |
|
378
|
|
|
AdditionalMetadataLocation::class, |
|
379
|
|
|
'All md:AdditionalMetadataLocation elements must be an instance of AdditionalMetadataLocation' |
|
380
|
|
|
); |
|
381
|
|
|
$this->AdditionalMetadataLocation = $additionalMetadataLocation; |
|
382
|
|
|
} |
|
383
|
|
|
|
|
384
|
|
|
|
|
385
|
|
|
/** |
|
386
|
|
|
* Convert this descriptor to an unsigned XML document. |
|
387
|
|
|
* This method does not sign the resulting XML document. |
|
388
|
|
|
* |
|
389
|
|
|
* @param \DOMElement|null $parent |
|
390
|
|
|
* @return \DOMElement The root element of the DOM tree |
|
391
|
|
|
*/ |
|
392
|
|
|
protected function toUnsignedXML(DOMElement $parent = null): DOMElement |
|
393
|
|
|
{ |
|
394
|
|
|
$e = parent::toUnsignedXML($parent); |
|
395
|
|
|
$e->setAttribute('entityID', $this->entityID); |
|
396
|
|
|
|
|
397
|
|
|
foreach ($this->getAttributesNS() as $attr) { |
|
398
|
|
|
$e->setAttributeNS($attr['namespaceURI'], $attr['qualifiedName'], $attr['value']); |
|
399
|
|
|
} |
|
400
|
|
|
|
|
401
|
|
|
foreach ($this->RoleDescriptor as $n) { |
|
402
|
|
|
$n->toXML($e); |
|
403
|
|
|
} |
|
404
|
|
|
|
|
405
|
|
|
if ($this->AffiliationDescriptor !== null) { |
|
406
|
|
|
$this->AffiliationDescriptor->toXML($e); |
|
407
|
|
|
} |
|
408
|
|
|
|
|
409
|
|
|
if ($this->Organization !== null) { |
|
410
|
|
|
$this->Organization->toXML($e); |
|
411
|
|
|
} |
|
412
|
|
|
|
|
413
|
|
|
foreach ($this->ContactPerson as $cp) { |
|
414
|
|
|
$cp->toXML($e); |
|
415
|
|
|
} |
|
416
|
|
|
|
|
417
|
|
|
foreach ($this->AdditionalMetadataLocation as $n) { |
|
418
|
|
|
$n->toXML($e); |
|
419
|
|
|
} |
|
420
|
|
|
|
|
421
|
|
|
return $e; |
|
422
|
|
|
} |
|
423
|
|
|
} |
|
424
|
|
|
|