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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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/** |
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* Class representing a ds:SignatureValue element. |
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* |
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* @package simplesaml/xml-security |
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*/ |
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final class SignatureValue extends AbstractDsElement |
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{ |
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/** @var string */ |
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protected string $value; |
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/** |
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* Initialize a SignatureValue element. |
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* |
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* @param string $value |
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*/ |
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public function __construct(string $value) { |
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$this->setValue($value); |
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} |
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/** |
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* Get the signature value. |
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* |
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* @return string |
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*/ |
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public function getValue(): string |
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{ |
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return $this->value; |
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} |
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/** |
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* Set the value. |
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* |
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* @param string $value |
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*/ |
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private function setValue(string $value): void |
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{ |
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Assert::notEmpty($value, 'SignatureValue cannot be empty'); |
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Assert::stringPlausibleBase64($value, 'SignatureValue is not a valid Base64 encoded string'); |
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$this->value = $value; |
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} |
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/** |
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* Convert XML into a SignatureValue |
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* |
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* @param DOMElement $xml The XML element we should load |
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* @return self |
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* |
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* @throws \SimpleSAML\XML\Exception\InvalidDOMElementException If the qualified name of the supplied element is |
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* wrong. |
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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, 'SignatureValue', InvalidDOMElementException::class); |
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Assert::same($xml->namespaceURI, SignatureValue::NS, InvalidDOMElementException::class); |
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return new self($xml->textContent); |
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} |
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/** |
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* Convert this SignatureValue to XML. |
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* |
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* @param DOMElement|null $parent The element we should append this SignatureValue 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->value; |
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return $e; |
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} |
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} |
simplesamlphp /
xml-security
