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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\TooManyElementsException; |
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use SimpleSAML\XML\SchemaValidatableElementInterface; |
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use SimpleSAML\XML\SchemaValidatableElementTrait; |
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use function array_pop; |
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/** |
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* Class representing <xenc:CipherData>. |
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* |
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* @package simplesamlphp/xml-security |
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*/ |
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class CipherData extends AbstractXencElement implements SchemaValidatableElementInterface |
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{ |
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use SchemaValidatableElementTrait; |
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/** |
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* CipherData constructor. |
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* |
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* @param \SimpleSAML\XMLSecurity\XML\xenc\CipherValue|null $cipherValue |
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* @param \SimpleSAML\XMLSecurity\XML\xenc\CipherReference|null $cipherReference |
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*/ |
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final public function __construct( |
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protected ?CipherValue $cipherValue, |
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protected ?CipherReference $cipherReference = null, |
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) { |
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Assert::oneOf( |
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null, |
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[$cipherValue, $cipherReference], |
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'Can only have one of CipherValue/CipherReference', |
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); |
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Assert::false( |
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is_null($cipherValue) && is_null($cipherReference), |
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'You need either a CipherValue or a CipherReference', |
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); |
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} |
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/** |
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* Get the value of the $cipherValue property. |
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* |
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* @return \SimpleSAML\XMLSecurity\XML\xenc\CipherValue|null |
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*/ |
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public function getCipherValue(): ?CipherValue |
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{ |
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return $this->cipherValue; |
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} |
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/** |
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* Get the CipherReference element inside this CipherData object. |
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* |
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* @return \SimpleSAML\XMLSecurity\XML\xenc\CipherReference|null |
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*/ |
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public function getCipherReference(): ?CipherReference |
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{ |
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return $this->cipherReference; |
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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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*/ |
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public static function fromXML(DOMElement $xml): static |
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{ |
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Assert::same($xml->localName, 'CipherData', InvalidDOMElementException::class); |
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Assert::same($xml->namespaceURI, CipherData::NS, InvalidDOMElementException::class); |
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$cv = CipherValue::getChildrenOfClass($xml); |
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Assert::maxCount( |
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$cv, |
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1, |
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'More than one CipherValue element in <xenc:CipherData>', |
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TooManyElementsException::class, |
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); |
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$cr = CipherReference::getChildrenOfClass($xml); |
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Assert::maxCount( |
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$cr, |
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1, |
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'More than one CipherReference element in <xenc:CipherData>', |
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TooManyElementsException::class, |
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); |
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return new static( |
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empty($cv) ? null : array_pop($cv), |
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empty($cr) ? null : array_pop($cr), |
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); |
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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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$this->getCipherValue()?->toXML($e); |
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$this->getCipherReference()?->toXML($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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