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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\XMLSecurity\XML\xenc; |
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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\Chunk; |
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use SimpleSAML\XML\Constants as C; |
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use SimpleSAML\XML\ElementInterface; |
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use SimpleSAML\XML\ExtendableElementTrait; |
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use SimpleSAML\XMLSecurity\XML\xenc\Transforms; |
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/** |
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* Abstract class representing references. No custom elements are allowed. |
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* |
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* @package simplesamlphp/xml-security |
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*/ |
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abstract class AbstractReference extends AbstractXencElement |
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{ |
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use ExtendableElementTrait; |
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/** The namespace-attribute for the xs:any element */ |
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public const NAMESPACE = C::XS_ANY_NS_OTHER; |
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/** |
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* AbstractReference constructor. |
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* |
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* @param string $uri |
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* @param \SimpleSAML\XML\ElementInterface[] $elements |
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*/ |
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final public function __construct( |
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protected string $uri, |
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array $elements = [], |
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) { |
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Assert::validURI($uri, SchemaViolationException::class); // Covers the empty string |
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$this->setElements($elements); |
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} |
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/** |
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* Get the value of the URI attribute of this reference. |
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* |
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* @return string |
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*/ |
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public function getURI(): string |
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{ |
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return $this->uri; |
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} |
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/** |
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* @inheritDoc |
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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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*/ |
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public static function fromXML(DOMElement $xml): static |
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{ |
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Assert::same($xml->localName, static::getClassName(static::class), InvalidDOMElementException::class); |
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Assert::same($xml->namespaceURI, static::NS, InvalidDOMElementException::class); |
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/** @psalm-var string $URI */ |
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$URI = self::getAttribute($xml, 'URI'); |
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$elements = []; |
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foreach ($xml->childNodes as $element) { |
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if ($element instanceof DOMElement) { |
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$elements[] = new Chunk($element); |
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} |
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} |
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return new static($URI, $elements); |
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} |
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/** |
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* @inheritDoc |
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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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$e->setAttribute('URI', $this->getUri()); |
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/** @psalm-var \SimpleSAML\XML\SerializableElementInterface $elt */ |
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foreach ($this->getElements() as $elt) { |
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$elt->toXML($e); |
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} |
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return $e; |
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} |
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} |
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simplesamlphp /
xml-security
