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<?php |
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declare(strict_types=1); |
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namespace SAML2\XML\saml; |
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use DOMElement; |
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use SAML2\Compat\ContainerSingleton; |
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use SAML2\Constants; |
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use SAML2\Utils; |
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use SAML2\XML\IdentifierTrait; |
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use Webmozart\Assert\Assert; |
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/** |
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* Class representing SAML 2 Subject element. |
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* |
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* @author Tim van Dijen, <[email protected]> |
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* @package SimpleSAMLphp |
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*/ |
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final class Subject extends AbstractSamlElement |
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{ |
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use IdentifierTrait; |
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/** |
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* SubjectConfirmation element with extra data for verification of the Subject. |
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* |
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* @var \SAML2\XML\saml\SubjectConfirmation[] |
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*/ |
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protected $SubjectConfirmation; |
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/** |
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* Initialize a Subject element. |
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* |
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* @param \SAML2\XML\saml\IdentifierInterface|null $identifier |
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* @param \SAML2\XML\saml\SubjectConfirmation[] $SubjectConfirmation |
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*/ |
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public function __construct( |
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?IdentifierInterface $identifier, |
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array $SubjectConfirmation = [] |
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) { |
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if (empty($SubjectConfirmation)) { |
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Assert::notNull( |
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$identifier, |
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'A <saml:Subject> not containing <saml:SubjectConfirmation> should provide exactly one of ' |
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. '<saml:BaseID>, <saml:NameID> or <saml:EncryptedID>' |
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); |
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} |
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$this->setIdentifier($identifier); |
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$this->setSubjectConfirmation($SubjectConfirmation); |
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} |
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/** |
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* Collect the value of the SubjectConfirmation-property |
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* |
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* @return \SAML2\XML\saml\SubjectConfirmation[] |
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*/ |
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public function getSubjectConfirmation(): array |
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{ |
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return $this->SubjectConfirmation; |
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} |
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/** |
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* Set the value of the SubjectConfirmation-property |
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* |
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* @param \SAML2\XML\saml\SubjectConfirmation[] $subjectConfirmation |
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* @return void |
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*/ |
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private function setSubjectConfirmation(array $subjectConfirmation): void |
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{ |
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$this->SubjectConfirmation = $subjectConfirmation; |
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} |
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/** |
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* Convert XML into a Subject |
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* |
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* @param \DOMElement $xml The XML element we should load |
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* @return self |
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* @throws \InvalidArgumentException if the qualified name of the supplied element is wrong |
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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, 'Subject'); |
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Assert::same($xml->namespaceURI, Subject::NS); |
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$identifier = self::getIdentifierFromXML($xml); |
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$subjectConfirmation = SubjectConfirmation::getChildrenOfClass($xml); |
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if (empty($subjectConfirmation)) { |
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Assert::notNull( |
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$identifier, |
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'A <saml:Subject> not containing <saml:SubjectConfirmation> should provide' . |
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' exactly one of <saml:BaseID>, <saml:NameID> or <saml:EncryptedID>' |
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); |
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} |
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return new self( |
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$identifier, |
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$subjectConfirmation |
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); |
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} |
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/** |
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* Convert this element to XML. |
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* |
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* @param \DOMElement|null $parent The parent element we should append this element to. |
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* @return \DOMElement This element, as XML. |
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*/ |
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public function toXML(DOMElement $parent = null): DOMElement |
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{ |
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$e = $this->instantiateParentElement($parent); |
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if ($this->identifier !== null) { |
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$this->identifier->toXML($e); |
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} |
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foreach ($this->SubjectConfirmation as $sc) { |
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$sc->toXML($e); |
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} |
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return $e; |
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} |
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} |
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