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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\SAML2\Binding; |
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use Exception; |
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use Nyholm\Psr7\Response; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use SimpleSAML\SAML2\Binding; |
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use SimpleSAML\SAML2\Exception\Protocol\UnsupportedBindingException; |
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use SimpleSAML\SAML2\Type\SAMLAnyURIValue; |
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use SimpleSAML\SAML2\Utils; |
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use SimpleSAML\SAML2\XML\ecp\RequestAuthenticated; |
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use SimpleSAML\SAML2\XML\ecp\Response as ECPResponse; |
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use SimpleSAML\SAML2\XML\samlp\AbstractMessage; |
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use SimpleSAML\SAML2\XML\samlp\MessageFactory; |
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use SimpleSAML\SAML2\XML\samlp\Response as SAML2_Response; |
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use SimpleSAML\SOAP11\Type\MustUnderstandValue; |
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use SimpleSAML\SOAP11\Utils\XPath; |
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use SimpleSAML\SOAP11\XML\Body; |
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use SimpleSAML\SOAP11\XML\Envelope; |
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use SimpleSAML\SOAP11\XML\Header; |
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use SimpleSAML\XML\DOMDocumentFactory; |
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use function file_get_contents; |
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/** |
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* Class which implements the SOAP binding. |
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* |
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* @package simplesamlphp/saml2 |
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*/ |
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class SOAP extends Binding implements SynchronousBindingInterface |
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{ |
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/** |
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* @param \SimpleSAML\SAML2\XML\samlp\AbstractMessage $message |
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* @throws \Exception |
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* @return string|false The XML or false on error |
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*/ |
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public function getOutputToSend(AbstractMessage $message) |
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{ |
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$header = new Header(); |
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// In the Artifact Resolution profile, this will be an ArtifactResolve |
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// containing another message (e.g. a Response), however in the ECP |
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// profile, this is the Response itself. |
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if ($message instanceof SAML2_Response) { |
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$requestAuthenticated = new RequestAuthenticated( |
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MustUnderstandValue::fromBoolean(true), |
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); |
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$destination = $this->destination ?: $message->getDestination()?->getValue(); |
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if ($destination === null) { |
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throw new Exception('No destination available for SOAP message.'); |
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} |
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$response = new ECPResponse(SAMLAnyURIValue::fromString($destination)); |
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$header = new Header([$requestAuthenticated, $response]); |
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} |
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$env = new Envelope( |
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new Body([$message]), |
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$header, |
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); |
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return $env->toXML()->ownerDocument?->saveXML(); |
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} |
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/** |
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* Send a SAML 2 message using the SOAP binding. |
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* |
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* @param \SimpleSAML\SAML2\XML\samlp\AbstractMessage $message The message we should send. |
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* @return \Psr\Http\Message\ResponseInterface |
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*/ |
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public function send(AbstractMessage $message): ResponseInterface |
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{ |
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$xml = $this->getOutputToSend($message); |
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Utils::getContainer()->debugMessage($xml, 'out'); |
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return new Response(200, ['Content-Type' => 'text/xml'], $xml); |
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} |
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/** |
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* Receive a SAML 2 message sent using the HTTP-POST binding. |
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* |
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* @param \Psr\Http\Message\ServerRequestInterface $request |
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* @return \SimpleSAML\SAML2\XML\samlp\AbstractMessage The received message. |
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* |
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* @throws \Exception If unable to receive the message |
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*/ |
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public function receive(/** @scrutinizer ignore-unused */ServerRequestInterface $request): AbstractMessage |
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{ |
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$postText = $this->getInputStream(); |
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if (empty($postText)) { |
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throw new UnsupportedBindingException('Invalid message received at AssertionConsumerService endpoint.'); |
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} |
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$document = DOMDocumentFactory::fromString($postText); |
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/** @var \DOMNode $xml */ |
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$xml = $document->firstChild; |
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Utils::getContainer()->debugMessage($document->documentElement, 'in'); |
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$xpCache = XPath::getXPath($document->documentElement); |
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/** @var \DOMElement[] $results */ |
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$results = XPath::xpQuery($xml, '/SOAP-ENV:Envelope/SOAP-ENV:Body/*[1]', $xpCache); |
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return MessageFactory::fromXML($results[0]); |
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} |
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/** |
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* @return string|false |
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*/ |
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protected function getInputStream() |
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{ |
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return file_get_contents('php://input'); |
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} |
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} |
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simplesamlphp /
saml2
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