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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\XML\ds\Signature; |
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use SAML2\XML\saml\Issuer; |
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use SAML2\Utils; |
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use Webmozart\Assert\Assert; |
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/** |
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* Class for SAML 2 LogoutResponse messages. |
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* |
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* @package SimpleSAMLphp |
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*/ |
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class LogoutResponse extends AbstractStatusResponse |
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{ |
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/** |
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* Convert XML into an LogoutResponse |
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* |
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* @param \DOMElement $xml |
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* @return self |
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* @throws \Exception |
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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, 'LogoutResponse'); |
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Assert::same($xml->namespaceURI, LogoutResponse::NS); |
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Assert::same('2.0', self::getAttribute($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::countBetween($issuer, 0, 1); |
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$status = Status::getChildrenOfClass($xml); |
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Assert::count($status, 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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$response = new self( |
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array_pop($status), |
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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, 'InResponseTo', null), |
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self::getAttribute($xml, 'Destination', null), |
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self::getAttribute($xml, 'Consent', null), |
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empty($extensions) ? null : array_pop($extensions) |
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); |
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if (!empty($signature)) { |
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$response->setSignature($signature[0]); |
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$response->messageContainedSignatureUponConstruction = true; |
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} |
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return $response; |
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} |
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} |
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