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<?php |
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declare(strict_types=1); |
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namespace SAML2\XML\samlp; |
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use DOMElement; |
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use SAML2\Constants; |
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use SAML2\Utils; |
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use SAML2\XML\ds\Signature; |
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use SAML2\XML\saml\Issuer; |
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use Webmozart\Assert\Assert; |
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/** |
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* The Artifact is part of the SAML 2.0 IdP code, and it builds an artifact object. |
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* I am using strings, because I find them easier to work with. |
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* I want to use this, to be consistent with the other saml2_requests |
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* |
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* @author Danny Bollaert, UGent AS. <[email protected]> |
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* @package SimpleSAMLphp |
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*/ |
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class ArtifactResolve extends AbstractRequest |
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{ |
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/** @var string */ |
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protected $artifact; |
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/** |
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* Initialize an ArtifactResolve. |
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* |
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* @param string $artifact |
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* @param \SAML2\XML\saml\Issuer|null $issuer |
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* @param string|null $id |
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* @param int|null $issueInstant |
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* @param string|null $destination |
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* @param string|null $consent |
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* @param \SAML2\XML\samlp\Extensions $extensions |
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* |
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* @throws \Exception |
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*/ |
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public function __construct( |
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string $artifact, |
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?Issuer $issuer = null, |
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?string $id = null, |
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?int $issueInstant = null, |
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?string $destination = null, |
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?string $consent = null, |
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?Extensions $extensions = null |
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) { |
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parent::__construct($issuer, $id, $issueInstant, $destination, $consent, $extensions); |
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$this->setArtifact($artifact); |
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} |
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/** |
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* Retrieve the Artifact in this response. |
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* |
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* @return string artifact. |
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* |
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* @throws \InvalidArgumentException if assertions are false |
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*/ |
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public function getArtifact(): string |
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{ |
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Assert::notEmpty($this->artifact, 'Artifact not set.'); |
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return $this->artifact; |
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} |
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/** |
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* Set the artifact that should be included in this response. |
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* |
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* @param string $artifact |
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* @return void |
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*/ |
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public function setArtifact(string $artifact): void |
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{ |
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$this->artifact = $artifact; |
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} |
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/** |
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* Create a class from XML |
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* |
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* @param \DOMElement $xml |
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* @return self |
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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, 'ArtifactResolve'); |
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Assert::same($xml->namespaceURI, ArtifactResolve::NS); |
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Assert::same('2.0', self::getAttribute($xml, 'Version')); |
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$issueInstant = Utils::xsDateTimeToTimestamp(self::getAttribute($xml, 'IssueInstant')); |
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$issuer = Issuer::getChildrenOfClass($xml); |
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Assert::maxCount($issuer, 1); |
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$extensions = Extensions::getChildrenOfClass($xml); |
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Assert::maxCount($extensions, 1, 'Only one saml:Extensions element is allowed.'); |
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$signature = Signature::getChildrenOfClass($xml); |
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Assert::maxCount($signature, 1, 'Only one ds:Signature element is allowed.'); |
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$results = Utils::xpQuery($xml, './saml_protocol:Artifact'); |
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$artifact = $results[0]->textContent; |
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$resolve = new self( |
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$artifact, |
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array_pop($issuer), |
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self::getAttribute($xml, 'ID'), |
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$issueInstant, |
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self::getAttribute($xml, 'Destination', null), |
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self::getAttribute($xml, 'Consent', null), |
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array_pop($extensions) |
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); |
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if (!empty($signature)) { |
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$resolve->setSignature($signature[0]); |
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} |
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return $resolve; |
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} |
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/** |
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* Convert the response message to an XML element. |
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* |
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* @return \DOMElement This response. |
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* |
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* @throws \InvalidArgumentException if assertions are false |
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*/ |
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public function toXML(?DOMElement $parent = null): DOMElement |
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{ |
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Assert::notEmpty($this->artifact, 'Cannot convert ArtifactResolve to XML without an Artifact set.'); |
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$e = parent::toXML($parent); |
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$artifactelement = $e->ownerDocument->createElementNS(Constants::NS_SAMLP, 'Artifact', $this->artifact); |
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$e->appendChild($artifactelement); |
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return $this->signElement($e); |
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} |
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} |
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