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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 DOMElement; |
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use SimpleSAML\Assert\Assert; |
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use SimpleSAML\SAML2\Constants; |
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use SimpleSAML\SAML2\Exception\ProtocolViolationException; |
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use SimpleSAML\SAML2\Utils\XPath; |
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use SimpleSAML\SAML2\XML\saml\Assertion; |
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use SimpleSAML\SAML2\XML\saml\EncryptedAssertion; |
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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\Exception\MissingElementException; |
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use SimpleSAML\XML\Exception\TooManyElementsException; |
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use SimpleSAML\XML\Utils as XMLUtils; |
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use SimpleSAML\XMLSecurity\Utils\Security; |
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use SimpleSAML\XMLSecurity\XML\ds\Signature; |
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use function array_pop; |
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/** |
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* Class for SAML 2 Response messages. |
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* |
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* @package simplesamlphp/saml2 |
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*/ |
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class Response extends AbstractStatusResponse |
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{ |
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/** |
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* The assertions in this response. |
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* |
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* @var (\SimpleSAML\SAML2\XML\saml\Assertion|\SimpleSAML\SAML2\XML\saml\EncryptedAssertion)[] |
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*/ |
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protected array $assertions = []; |
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/** |
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* Constructor for SAML 2 response messages. |
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* |
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* @param \SimpleSAML\SAML2\XML\samlp\Status $status |
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* @param \SimpleSAML\SAML2\XML\saml\Issuer $issuer |
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* @param string $id |
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* @param int $issueInstant |
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* @param string $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 $extensions |
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* @param (\SimpleSAML\SAML2\XML\saml\Assertion|\SimpleSAML\SAML2\XML\saml\EncryptedAssertion)[] $assertions |
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*/ |
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public function __construct( |
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Status $status, |
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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 $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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array $assertions = [] |
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) { |
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parent::__construct( |
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$status, |
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$issuer, |
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$id, |
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$issueInstant, |
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$inResponseTo, |
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$destination, |
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$consent, |
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$extensions |
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); |
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$this->setAssertions($assertions); |
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} |
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/** |
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* Retrieve the assertions in this response. |
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* |
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* @return \SimpleSAML\SAML2\XML\saml\Assertion[]|\SimpleSAML\SAML2\XML\saml\EncryptedAssertion[] |
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*/ |
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public function getAssertions(): array |
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{ |
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return $this->assertions; |
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} |
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/** |
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* Set the assertions that should be included in this response. |
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* |
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* @param (\SimpleSAML\SAML2\XML\saml\Assertion|\SimpleSAML\SAML2\XML\saml\EncryptedAssertion)[] $assertions The assertions. |
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*/ |
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protected function setAssertions(array $assertions): void |
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{ |
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Assert::allIsInstanceOfAny($assertions, [Assertion::class, EncryptedAssertion::class]); |
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$this->assertions = $assertions; |
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} |
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/** |
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* Convert XML into a Response element. |
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* |
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* @param \DOMElement $xml The input message. |
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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 wrong |
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* @throws \SimpleSAML\XML\Exception\MissingAttributeException if the supplied element is missing one of the mandatory attributes |
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* @throws \SimpleSAML\XML\Exception\MissingElementException if one of the mandatory child-elements is missing |
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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, 'Response', InvalidDOMElementException::class); |
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Assert::same($xml->namespaceURI, Response::NS, InvalidDOMElementException::class); |
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Assert::same('2.0', self::getAttribute($xml, 'Version')); |
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$signature = Signature::getChildrenOfClass($xml); |
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Assert::maxCount($signature, 1, 'Only one ds:Signature element is allowed.', TooManyElementsException::class); |
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$id = self::getAttribute($xml, 'ID'); |
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$inResponseTo = self::getAttribute($xml, 'InResponseTo', null); |
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$destination = self::getAttribute($xml, 'Destination', null); |
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$consent = self::getAttribute($xml, 'Consent', null); |
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/** @psalm-suppress PossiblyNullArgument */ |
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$issueInstant = self::getAttribute($xml, 'IssueInstant'); |
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Assert::validDateTimeZulu($issueInstant, ProtocolViolationException::class); |
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$issueInstant = XMLUtils::xsDateTimeToTimestamp($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($xml); |
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Assert::minCount($status, 1, MissingElementException::class); |
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Assert::maxCount($status, 1, TooManyElementsException::class); |
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$extensions = Extensions::getChildrenOfClass($xml); |
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Assert::maxCount($extensions, 1, 'Only one saml:Extensions element is allowed.', TooManyElementsException::class); |
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$assertions = []; |
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foreach ($xml->childNodes as $node) { |
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if ($node->namespaceURI !== Constants::NS_SAML) { |
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continue; |
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} elseif (!($node instanceof DOMElement)) { |
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continue; |
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} |
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if ($node->localName === 'Assertion') { |
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$assertions[] = Assertion::fromXML($node); |
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} elseif ($node->localName === 'EncryptedAssertion') { |
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$assertions[] = EncryptedAssertion::fromXML($node); |
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} |
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} |
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$response = new self( |
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array_pop($status), |
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empty($issuer) ? null : array_pop($issuer), |
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$id, |
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$issueInstant, |
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$inResponseTo, |
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$destination, |
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$consent, |
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empty($extensions) ? null : array_pop($extensions), |
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$assertions |
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); |
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if (!empty($signature)) { |
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$response->setSignature($signature[0]); |
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$response->messageContainedSignatureUponConstruction = true; |
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} |
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$response->setXML($xml); |
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return $response; |
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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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protected function toUnsignedXML(?DOMElement $parent = null): DOMElement |
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{ |
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$e = parent::toUnsignedXML($parent); |
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foreach ($this->assertions as $assertion) { |
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$assertion->toXML($e); |
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} |
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return $e; |
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} |
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} |
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simplesamlphp /
saml2
