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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\XMLSecurity\XML\ds; |
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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\SchemaViolationException; |
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use SimpleSAML\XML\Exception\TooManyElementsException; |
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use SimpleSAML\XML\ExtendableElementTrait; |
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use SimpleSAML\XML\SchemaValidatableElementInterface; |
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use SimpleSAML\XML\SchemaValidatableElementTrait; |
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use SimpleSAML\XML\SerializableElementInterface; |
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use SimpleSAML\XML\XsNamespace as NS; |
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use SimpleSAML\XMLSecurity\Constants as C; |
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use function array_merge; |
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use function array_pop; |
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/** |
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* Class representing a ds:KeyValue element. |
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* |
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* @package simplesamlphp/xml-security |
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*/ |
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final class KeyValue extends AbstractDsElement implements SchemaValidatableElementInterface |
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{ |
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use ExtendableElementTrait { |
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// We use our own getter instead of the trait's one |
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getElements as private; |
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setElements as private; |
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} |
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use SchemaValidatableElementTrait; |
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/** The namespace-attribute for the xs:any element */ |
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public const XS_ANY_ELT_NAMESPACE = NS::OTHER; |
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/** |
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* Initialize an KeyValue. |
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* |
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* @param \SimpleSAML\XML\SerializableElementInterface $keyValue |
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*/ |
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final public function __construct( |
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protected RSAKeyValue|DSAKeyValue|ECKeyValue|SerializableElementInterface $keyValue, |
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) { |
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if (!( |
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$keyValue instanceof RSAKeyValue |
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|| $keyValue instanceof DSAKeyValue |
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|| $keyValue instanceof ECKeyValue |
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)) { |
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Assert::true( |
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( |
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($keyValue instanceof Chunk) |
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? $keyValue->getNamespaceURI() |
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: $keyValue::getNameSpaceURI() |
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) !== C::NS_XDSIG, |
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'A <ds:KeyValue> requires either a RSAKeyValue, DSAKeyValue, ECKeyValue ' |
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. 'or an element in namespace ##other', |
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SchemaViolationException::class, |
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); |
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} |
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} |
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/** |
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* Collect the value of the RSAKeyValue-property |
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* |
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* @return \SimpleSAML\XMLSecurity\XML\ds\RSAKeyValue| |
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* \SimpleSAML\XMLSecurity\XML\ds\DSAKeyValue| |
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* \SimpleSAML\XMLSecurity\XML\dsig11\ECKeyValue| |
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* \SimpeSAML\XML\SerializableElementInterface |
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*/ |
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public function getKeyValue(): RSAKeyValue|DSAKeyValue|ECKeyValue|SerializableElementInterface |
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{ |
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return $this->keyValue; |
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} |
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/** |
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* Convert XML into a KeyValue |
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* |
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* @param \DOMElement $xml The XML element we should load |
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* @return static |
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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, 'KeyValue', InvalidDOMElementException::class); |
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Assert::same($xml->namespaceURI, KeyValue::NS, InvalidDOMElementException::class); |
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$keyValue = array_merge( |
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RSAKeyValue::getChildrenOfClass($xml), |
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DSAKeyValue::getChildrenOfClass($xml), |
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self::getChildElementsFromXML($xml), |
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); |
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Assert::count( |
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$keyValue, |
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1, |
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'A <ds:KeyValue> must contain exactly one child element', |
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TooManyElementsException::class, |
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); |
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return new static(array_pop($keyValue)); |
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} |
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/** |
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* Convert this KeyValue element to XML. |
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* |
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* @param \DOMElement|null $parent The element we should append this KeyValue element to. |
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* @return \DOMElement |
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*/ |
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public function toXML(?DOMElement $parent = null): DOMElement |
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{ |
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$e = $this->instantiateParentElement($parent); |
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$this->getKeyValue()->toXML($e); |
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return $e; |
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} |
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} |
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simplesamlphp /
xml-security
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