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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\XMLSecurity\XML\ds; |
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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\XML\Exception\TooManyElementsException; |
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use SimpleSAML\XML\SchemaValidatableElementInterface; |
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use SimpleSAML\XML\SchemaValidatableElementTrait; |
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/** |
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* Class representing a ds:RetrievalMethod element. |
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* |
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* @package simplesamlphp/xml-security |
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*/ |
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final class RetrievalMethod extends AbstractDsElement implements SchemaValidatableElementInterface |
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{ |
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use SchemaValidatableElementTrait; |
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/** |
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* Initialize a ds:RetrievalMethod |
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* |
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* @param \SimpleSAML\XMLSecurity\XML\ds\Transforms|null $transforms |
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* @param string $URI |
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* @param string|null $Type |
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*/ |
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final public function __construct( |
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protected ?Transforms $transforms, |
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protected string $URI, |
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protected ?string $Type = null, |
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) { |
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Assert::validURI($URI, SchemaViolationException::class); // Covers the empty string |
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Assert::nullOrValidURI($Type, SchemaViolationException::class); // Covers the empty string |
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} |
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/** |
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* @return \SimpleSAML\XMLSecurity\XML\ds\Transforms|null |
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*/ |
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public function getTransforms(): ?Transforms |
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{ |
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return $this->transforms; |
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} |
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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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* @return string|null |
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*/ |
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public function getType(): ?string |
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{ |
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return $this->Type; |
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} |
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/** |
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* Convert XML into a RetrievalMethod element |
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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, 'RetrievalMethod', InvalidDOMElementException::class); |
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Assert::same($xml->namespaceURI, RetrievalMethod::NS, InvalidDOMElementException::class); |
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$URI = self::getAttribute($xml, 'URI'); |
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$Type = self::getOptionalAttribute($xml, 'Type', null); |
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$transforms = Transforms::getChildrenOfClass($xml); |
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Assert::maxCount( |
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$transforms, |
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1, |
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'A <ds:RetrievalMethod> may contain a maximum of one <ds:Transforms>.', |
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TooManyElementsException::class, |
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); |
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return new static( |
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array_pop($transforms), |
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$URI, |
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$Type, |
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); |
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} |
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/** |
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* Convert this RetrievalMethod element to XML. |
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* |
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* @param \DOMElement|null $parent The element we should append this RetrievalMethod 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->setAttribute('URI', $this->getURI()); |
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if ($this->getType() !== null) { |
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$e->setAttribute('Type', $this->getType()); |
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} |
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$this->getTransforms()?->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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