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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\XMLSecurity\XML\dsig11; |
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use DOMElement; |
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use SimpleSAML\Assert\Assert; |
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use SimpleSAML\XML\Exception\{InvalidDOMElementException, SchemaViolationException}; |
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use SimpleSAML\XML\{SchemaValidatableElementInterface, SchemaValidatableElementTrait}; |
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use SimpleSAML\XML\Type\{AnyURIValue, Base64BinaryValue}; |
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use SimpleSAML\XMLSecurity\Constants as C; |
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use SimpleSAML\XMLSecurity\Exception\InvalidArgumentException; |
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use function strval; |
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/** |
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* Class representing a dsig11:X509Digest element. |
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* |
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* @package simplesaml/xml-security |
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*/ |
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final class X509Digest extends AbstractDsig11Element implements SchemaValidatableElementInterface |
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{ |
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use SchemaValidatableElementTrait; |
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/** |
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* Initialize a X509Digest element. |
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* |
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* @param \SimpleSAML\XML\Type\Base64BinaryValue $digest |
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* @param \SimpleSAML\XML\Type\AnyURIValue $algorithm |
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*/ |
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public function __construct( |
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protected Base64BinaryValue $digest, |
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protected AnyURIValue $algorithm, |
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) { |
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Assert::oneOf( |
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strval($algorithm), |
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array_keys(C::$DIGEST_ALGORITHMS), |
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'Invalid digest method: %s', |
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InvalidArgumentException::class, |
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); |
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} |
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/** |
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* Collect the value of the digest-property |
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* |
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* @return \SimpleSAML\XML\Type\Base64BinaryValue |
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*/ |
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public function getDigest(): Base64BinaryValue |
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{ |
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return $this->digest; |
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} |
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/** |
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* Collect the value of the algorithm-property |
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* |
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* @return \SimpleSAML\XML\Type\AnyURIValue |
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*/ |
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public function getAlgorithm(): AnyURIValue |
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{ |
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return $this->algorithm; |
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} |
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/** |
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* Convert XML into a X509Digest |
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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, 'X509Digest', InvalidDOMElementException::class); |
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Assert::same($xml->namespaceURI, X509Digest::NS, InvalidDOMElementException::class); |
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return new static( |
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Base64BinaryValue::fromString($xml->textContent), |
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self::getAttribute($xml, 'Algorithm', AnyURIValue::class), |
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); |
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} |
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/** |
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* Convert this X509Digest element to XML. |
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* |
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* @param \DOMElement|null $parent The element we should append this X509Digest 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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$e->textContent = strval($this->getDigest()); |
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$e->setAttribute('Algorithm', strval($this->getAlgorithm())); |
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return $e; |
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} |
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} |
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