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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; |
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use SimpleSAML\XML\Exception\SchemaViolationException; |
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use SimpleSAML\XMLSecurity\Constants as C; |
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use SimpleSAML\XMLSecurity\Exception\InvalidArgumentException; |
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use SimpleSAML\XML\Base64StringElementTrait; |
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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 |
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{ |
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use Base64StringElementTrait; |
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/** |
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* The digest algorithm. |
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* |
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* @var string |
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*/ |
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protected string $algorithm; |
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/** |
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* Initialize a X509Digest element. |
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* |
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* @param string $digest |
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* @param string $algorithm |
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*/ |
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public function __construct(string $digest, string $algorithm) |
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{ |
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$this->setContent($digest); |
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$this->setAlgorithm($algorithm); |
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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 string |
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*/ |
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public function getAlgorithm(): string |
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{ |
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return $this->algorithm; |
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} |
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/** |
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* Set the value of the algorithm-property |
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* |
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* @param string $algorithm |
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*/ |
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private function setAlgorithm(string $algorithm): void |
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{ |
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Assert::validURI($algorithm, SchemaViolationException::class); |
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Assert::oneOf( |
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$algorithm, |
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array_keys(C::$DIGEST_ALGORITHMS), |
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'Invalid digest method', |
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InvalidArgumentException::class, |
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); |
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$this->algorithm = $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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/** @psalm-var string $algorithm */ |
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$algorithm = self::getAttribute($xml, 'Algorithm'); |
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return new static($xml->textContent, $algorithm); |
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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 = $this->content; |
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$e->setAttribute('Algorithm', $this->algorithm); |
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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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