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<?php |
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declare(strict_types=1); |
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namespace SAML2\XML\xenc; |
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use DOMElement; |
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use Webmozart\Assert\Assert; |
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/** |
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* A class containing a list of references to either encrypted data or encryption keys. |
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* |
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* @package simplesamlphp/saml2 |
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*/ |
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class ReferenceList extends AbstractXencElement |
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{ |
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/** @var \SAML2\XML\xenc\DataReference[] */ |
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protected $dataReferences; |
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/** @var \SAML2\XML\xenc\KeyReference[] */ |
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protected $keyreferences; |
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/** |
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* ReferenceList constructor. |
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* |
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* @param \SAML2\XML\xenc\DataReference[] $dataReferences |
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* @param \SAML2\XML\xenc\KeyReference[] $keyreferences |
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*/ |
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public function __construct(array $dataReferences, array $keyreferences = []) |
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{ |
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$this->setDataReferences($dataReferences); |
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$this->setKeyReferences($keyreferences); |
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Assert::minCount( |
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array_merge($this->dataReferences, $this->keyreferences), |
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1, |
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'At least one <xenc:DataReference> or <xenc:KeyReference> element required in <xenc:ReferenceList>.' |
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); |
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} |
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/** |
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* Get the list of DataReference objects. |
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* |
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* @return \SAML2\XML\xenc\DataReference[] |
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*/ |
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public function getDataReferences(): array |
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{ |
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return $this->dataReferences; |
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} |
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/** |
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* @param \SAML2\XML\xenc\DataReference[] $dataReferences |
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*/ |
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protected function setDataReferences(array $dataReferences): void |
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{ |
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Assert::allIsInstanceOf( |
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$dataReferences, |
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DataReference::class, |
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'All data references must be an instance of <xenc:DataReference>.' |
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); |
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$this->dataReferences = $dataReferences; |
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} |
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/** |
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* Get the list of KeyReference objects. |
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* |
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* @return \SAML2\XML\xenc\KeyReference[] |
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*/ |
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public function getKeyReferences(): array |
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{ |
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return $this->keyreferences; |
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} |
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/** |
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* @param \SAML2\XML\xenc\KeyReference[] $keyReferences |
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*/ |
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protected function setKeyReferences(array $keyReferences): void |
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{ |
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Assert::allIsInstanceOf( |
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$keyReferences, |
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KeyReference::class, |
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'All key references must be an instance of <xenc:KeyReference>.' |
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); |
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$this->keyreferences = $keyReferences; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public static function fromXML(DOMElement $xml): object |
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{ |
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Assert::same($xml->localName, 'ReferenceList'); |
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Assert::same($xml->namespaceURI, ReferenceList::NS); |
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$dataReferences = DataReference::getChildrenOfClass($xml); |
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$keyReferences = KeyReference::getChildrenOfClass($xml); |
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return new self($dataReferences, $keyReferences); |
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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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foreach ($this->dataReferences as $dref) { |
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$dref->toXML($e); |
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} |
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foreach ($this->keyreferences as $kref) { |
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$kref->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 /
saml2
