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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\Constants as C; |
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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\SchemaValidatableElementInterface; |
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use SimpleSAML\XML\SchemaValidatableElementTrait; |
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use SimpleSAML\XMLSecurity\XML\xenc\Transforms; |
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/** |
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* Class representing a CipherReference. |
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* |
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* @package simplesamlphp/xml-security |
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*/ |
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final class CipherReference extends AbstractXencElement implements SchemaValidatableElementInterface |
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{ |
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use SchemaValidatableElementTrait; |
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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\XMLSecurity\XML\xenc\Transforms[] $transforms |
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*/ |
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final public function __construct( |
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protected string $uri, |
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protected array $transforms = [], |
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) { |
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Assert::validURI($uri, SchemaViolationException::class); // Covers the empty string |
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Assert::maxCount($transforms, C::UNBOUNDED_LIMIT); |
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Assert::allIsInstanceOf($transforms, Transforms::class, SchemaViolationException::class); |
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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($xml->namespaceURI, static::NS, InvalidDOMElementException::class); |
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$URI = self::getAttribute($xml, 'URI'); |
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$transforms = Transforms::getChildrenOfClass($xml); |
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return new static($URI, $transforms); |
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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', $this->getUri()); |
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foreach ($this->transforms as $transforms) { |
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$transforms->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
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