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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\SAML2\XML\samlp; |
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use DateTimeImmutable; |
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use DOMElement; |
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use SimpleSAML\SAML2\Assert\Assert; |
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use SimpleSAML\SAML2\Exception\Protocol\RequestVersionTooHighException; |
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use SimpleSAML\SAML2\Exception\Protocol\RequestVersionTooLowException; |
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use SimpleSAML\SAML2\Exception\ProtocolViolationException; |
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use SimpleSAML\SAML2\XML\saml\Issuer; |
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use SimpleSAML\XML\Exception\InvalidDOMElementException; |
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use SimpleSAML\XML\SchemaValidatableElementInterface; |
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use SimpleSAML\XML\SchemaValidatableElementTrait; |
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use SimpleSAML\XMLSecurity\XML\ds\Signature; |
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use function array_pop; |
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use function preg_replace; |
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/** |
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* Class for SAML 2 LogoutResponse messages. |
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* |
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* @package simplesamlphp/saml2 |
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*/ |
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final class LogoutResponse extends AbstractStatusResponse implements SchemaValidatableElementInterface |
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{ |
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use SchemaValidatableElementTrait; |
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/** |
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* Constructor for SAML 2 LogoutResponse. |
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* |
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* @param \SimpleSAML\SAML2\XML\samlp\Status $status |
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* @param \DateTimeImmutable $issueInstant |
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* @param \SimpleSAML\SAML2\XML\saml\Issuer|null $issuer |
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* @param string|null $id |
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* @param string $version |
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* @param string|null $inResponseTo |
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* @param string|null $destination |
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* @param string|null $consent |
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* @param \SimpleSAML\SAML2\XML\samlp\Extensions|null $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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Status $status, |
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DateTimeImmutable $issueInstant, |
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?Issuer $issuer = null, |
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?string $id = null, |
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string $version = '2.0', |
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?string $inResponseTo = null, |
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?string $destination = null, |
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?string $consent = null, |
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?Extensions $extensions = null, |
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) { |
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parent::__construct( |
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$status, |
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$issueInstant, |
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$issuer, |
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$id, |
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$version, |
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$inResponseTo, |
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$destination, |
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$consent, |
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$extensions, |
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); |
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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 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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* @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, 'LogoutResponse', InvalidDOMElementException::class); |
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Assert::same($xml->namespaceURI, LogoutResponse::NS, InvalidDOMElementException::class); |
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$version = self::getAttribute($xml, 'Version'); |
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Assert::true(version_compare('2.0', $version, '<='), RequestVersionTooLowException::class); |
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Assert::true(version_compare('2.0', $version, '>='), RequestVersionTooHighException::class); |
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$id = self::getAttribute($xml, 'ID'); |
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Assert::validNCName($id); // Covers the empty string |
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$issueInstant = self::getAttribute($xml, 'IssueInstant'); |
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// Strip sub-seconds - See paragraph 1.3.3 of SAML core specifications |
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$issueInstant = preg_replace('/([.][0-9]+Z)$/', 'Z', $issueInstant, 1); |
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Assert::validDateTime($issueInstant, ProtocolViolationException::class); |
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$issueInstant = new DateTimeImmutable($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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$response = new static( |
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array_pop($status), |
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$issueInstant, |
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array_pop($issuer), |
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$id, |
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$version, |
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self::getOptionalAttribute($xml, 'InResponseTo', null), |
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self::getOptionalAttribute($xml, 'Destination', null), |
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self::getOptionalAttribute($xml, 'Consent', null), |
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empty($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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$response->messageContainedSignatureUponConstruction = true; |
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$response->setXML($xml); |
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} |
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return $response; |
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} |
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} |
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simplesamlphp /
saml2
