/**
* Receive a SAML 2 message sent using the HTTP-POST binding.
*
* Throws an exception if it is unable receive the message.
*
* @return SAML2_Message The received message.
*/
public function receive()
{
$postText = file_get_contents('php://input');
if (empty($postText)) {
throw new SimpleSAML_Error_BadRequest('Invalid message received to AssertionConsumerService endpoint.');
}
$document = new DOMDocument();
$document->loadXML($postText);
$xml = $document->firstChild;
$results = SAML2_Utils::xpQuery($xml, '/soap-env:Envelope/soap-env:Body/*[1]');
return SAML2_Message::fromXML($results[0]);
}
/**
* Receive a SAML 2 message sent using the HTTP-POST binding.
*
* Throws an exception if it is unable receive the message.
*
* @return SAML2_Message The received message.
* @throws Exception
*/
public function receive()
{
$postText = file_get_contents('php://input');
if (empty($postText)) {
throw new Exception('Invalid message received to AssertionConsumerService endpoint.');
}
$document = SAML2_DOMDocumentFactory::fromString($postText);
$xml = $document->firstChild;
SAML2_Utils::getContainer()->debugMessage($xml, 'in');
$results = SAML2_Utils::xpQuery($xml, '/soap-env:Envelope/soap-env:Body/*[1]');
return SAML2_Message::fromXML($results[0]);
}
/**
* Receive a SAML 2 message sent using the HTTP-POST binding.
*
* Throws an exception if it is unable receive the message.
*
* @return SAML2_Message The received message.
* @throws Exception
*/
public function receive()
{
if (array_key_exists('SAMLRequest', $_POST)) {
$msg = $_POST['SAMLRequest'];
} elseif (array_key_exists('SAMLResponse', $_POST)) {
$msg = $_POST['SAMLResponse'];
} else {
throw new Exception('Missing SAMLRequest or SAMLResponse parameter.');
}
$msg = base64_decode($msg);
SAML2_Utils::getContainer()->debugMessage($msg, 'in');
$document = SAML2_DOMDocumentFactory::fromString($msg);
$xml = $document->firstChild;
$msg = SAML2_Message::fromXML($xml);
if (array_key_exists('RelayState', $_POST)) {
$msg->setRelayState($_POST['RelayState']);
}
return $msg;
}
/**
* Receive a SAML 2 message sent using the HTTP-POST binding.
*
* Throws an exception if it is unable receive the message.
*
* @return SAML2_Message The received message.
*/
public function receive()
{
if (array_key_exists('SAMLRequest', $_POST)) {
$msg = $_POST['SAMLRequest'];
} elseif (array_key_exists('SAMLResponse', $_POST)) {
$msg = $_POST['SAMLResponse'];
} else {
throw new Exception('Missing SAMLRequest or SAMLResponse parameter.');
}
$msg = base64_decode($msg);
$document = new DOMDocument();
$document->loadXML($msg);
$xml = $document->firstChild;
$msg = SAML2_Message::fromXML($xml);
if (array_key_exists('RelayState', $_POST)) {
$msg->setRelayState($_POST['RelayState']);
}
return $msg;
}
/**
* Receive a SAML 2 message sent using the HTTP-Artifact binding.
*
* Throws an exception if it is unable receive the message.
*
* @return SAML2_Message The received message.
* @throws Exception
*/
public function receive()
{
if (array_key_exists('SAMLart', $_REQUEST)) {
$artifact = base64_decode($_REQUEST['SAMLart']);
$endpointIndex = bin2hex(substr($artifact, 2, 2));
$sourceId = bin2hex(substr($artifact, 4, 20));
} else {
throw new Exception('Missing SAMLArt parameter.');
}
$metadataHandler = SimpleSAML_Metadata_MetaDataStorageHandler::getMetadataHandler();
$idpMetadata = $metadataHandler->getMetaDataConfigForSha1($sourceId, 'saml20-idp-remote');
if ($idpMetadata === NULL) {
throw new Exception('No metadata found for remote provider with SHA1 ID: ' . var_export($sourceId, TRUE));
}
$endpoint = NULL;
foreach ($idpMetadata->getEndpoints('ArtifactResolutionService') as $ep) {
if ($ep['index'] === hexdec($endpointIndex)) {
$endpoint = $ep;
break;
}
}
if ($endpoint === NULL) {
throw new Exception('No ArtifactResolutionService with the correct index.');
}
SAML2_Utils::getContainer()->getLogger()->debug("ArtifactResolutionService endpoint being used is := " . $endpoint['Location']);
//Construct the ArtifactResolve Request
$ar = new SAML2_ArtifactResolve();
/* Set the request attributes */
$ar->setIssuer($this->spMetadata->getString('entityid'));
$ar->setArtifact($_REQUEST['SAMLart']);
$ar->setDestination($endpoint['Location']);
/* Sign the request */
sspmod_saml_Message::addSign($this->spMetadata, $idpMetadata, $ar);
// Shoaib - moved from the SOAPClient.
$soap = new SAML2_SOAPClient();
// Send message through SoapClient
/** @var SAML2_ArtifactResponse $artifactResponse */
$artifactResponse = $soap->send($ar, $this->spMetadata);
if (!$artifactResponse->isSuccess()) {
throw new Exception('Received error from ArtifactResolutionService.');
}
$xml = $artifactResponse->getAny();
if ($xml === NULL) {
/* Empty ArtifactResponse - possibly because of Artifact replay? */
return NULL;
}
$samlResponse = SAML2_Message::fromXML($xml);
$samlResponse->addValidator(array(get_class($this), 'validateSignature'), $artifactResponse);
if (isset($_REQUEST['RelayState'])) {
$samlResponse->setRelayState($_REQUEST['RelayState']);
}
return $samlResponse;
}
/**
* Receive a SAML 2 message sent using the HTTP-Redirect binding.
*
* Throws an exception if it is unable receive the message.
*
* @return SAML2_Message The received message.
*/
public function receive()
{
$data = self::parseQuery();
if (array_key_exists('SAMLRequest', $data)) {
$msg = $data['SAMLRequest'];
} elseif (array_key_exists('SAMLResponse', $data)) {
$msg = $data['SAMLResponse'];
} else {
throw new Execption('Missing SAMLRequest or SAMLResponse parameter.');
}
if (array_key_exists('SAMLEncoding', $data)) {
$encoding = $data['SAMLEncoding'];
} else {
$encoding = self::DEFLATE;
}
$msg = base64_decode($msg);
switch ($encoding) {
case self::DEFLATE:
$msg = gzinflate($msg);
break;
default:
throw new Exception('Unknown SAMLEncoding: ' . var_export($encoding, TRUE));
}
SimpleSAML_Utilities::debugMessage($msg, 'in');
$document = new DOMDocument();
$document->loadXML($msg);
$xml = $document->firstChild;
$msg = SAML2_Message::fromXML($xml);
if (array_key_exists('Signature', $data)) {
/* Save the signature validation data until we need it. */
$signatureValidationData = array('Signature' => $data['Signature'], 'Query' => $data['SignedQuery']);
}
if (array_key_exists('RelayState', $data)) {
$msg->setRelayState($data['RelayState']);
}
if (array_key_exists('Signature', $data)) {
if (!array_key_exists('SigAlg', $data)) {
throw new Exception('Missing signature algorithm.');
}
$signData = array('Signature' => $data['Signature'], 'SigAlg' => $data['SigAlg'], 'Query' => $data['SignedQuery']);
$msg->addValidator(array(get_class($this), 'validateSignature'), $signData);
}
return $msg;
}
/**
* This function sends the SOAP message to the service location and returns SOAP response
*
* @param SAML2_Message $m The request that should be sent.
* @param SimpleSAML_Configuration $srcMetadata The metadata of the issuer of the message.
* @param SimpleSAML_Configuration $dstMetadata The metadata of the destination of the message.
* @return SAML2_Message The response we received.
*/
public function send(SAML2_Message $msg, SimpleSAML_Configuration $srcMetadata, SimpleSAML_Configuration $dstMetadata = NULL)
{
$issuer = $msg->getIssuer();
$ctxOpts = array('ssl' => array('capture_peer_cert' => TRUE));
// Determine if we are going to do a MutualSSL connection between the IdP and SP - Shoaib
if ($srcMetadata->hasValue('saml.SOAPClient.certificate')) {
$ctxOpts['ssl']['local_cert'] = SimpleSAML_Utilities::resolveCert($srcMetadata->getString('saml.SOAPClient.certificate'));
if ($srcMetadata->hasValue('saml.SOAPClient.privatekey_pass')) {
$ctxOpts['ssl']['passphrase'] = $srcMetadata->getString('saml.SOAPClient.privatekey_pass');
}
} else {
/* Use the SP certificate and privatekey if it is configured. */
$privateKey = SimpleSAML_Utilities::loadPrivateKey($srcMetadata);
$publicKey = SimpleSAML_Utilities::loadPublicKey($srcMetadata);
if ($privateKey !== NULL && $publicKey !== NULL && isset($publicKey['PEM'])) {
$keyCertData = $privateKey['PEM'] . $publicKey['PEM'];
$file = SimpleSAML_Utilities::getTempDir() . '/' . sha1($keyCertData) . '.pem';
if (!file_exists($file)) {
SimpleSAML_Utilities::writeFile($file, $keyCertData);
}
$ctxOpts['ssl']['local_cert'] = $file;
if (isset($privateKey['password'])) {
$ctxOpts['ssl']['passphrase'] = $privateKey['password'];
}
}
}
// do peer certificate verification
if ($dstMetadata !== NULL) {
$peerPublicKeys = $dstMetadata->getPublicKeys('signing', TRUE);
$certData = '';
foreach ($peerPublicKeys as $key) {
if ($key['type'] !== 'X509Certificate') {
continue;
}
$certData .= "-----BEGIN CERTIFICATE-----\n" . chunk_split($key['X509Certificate'], 64) . "-----END CERTIFICATE-----\n";
}
$peerCertFile = SimpleSAML_Utilities::getTempDir() . '/' . sha1($certData) . '.pem';
if (!file_exists($peerCertFile)) {
SimpleSAML_Utilities::writeFile($peerCertFile, $certData);
}
// create ssl context
$ctxOpts['ssl']['verify_peer'] = TRUE;
$ctxOpts['ssl']['verify_depth'] = 1;
$ctxOpts['ssl']['cafile'] = $peerCertFile;
}
$context = stream_context_create($ctxOpts);
if ($context === NULL) {
throw new Exception('Unable to create SSL stream context');
}
$options = array('uri' => $issuer, 'location' => $msg->getDestination(), 'stream_context' => $context);
$x = new SoapClient(NULL, $options);
// Add soap-envelopes
$request = $msg->toSignedXML();
$request = self::START_SOAP_ENVELOPE . $request->ownerDocument->saveXML($request) . self::END_SOAP_ENVELOPE;
SimpleSAML_Utilities::debugMessage($request, 'out');
$action = 'http://www.oasis-open.org/committees/security';
$version = '1.1';
$destination = $msg->getDestination();
/* Perform SOAP Request over HTTP */
$soapresponsexml = $x->__doRequest($request, $destination, $action, $version);
if ($soapresponsexml === NULL || $soapresponsexml === "") {
throw new Exception('Empty SOAP response, check peer certificate.');
}
SimpleSAML_Utilities::debugMessage($soapresponsexml, 'in');
// Convert to SAML2_Message (DOMElement)
$dom = new DOMDocument();
if (!$dom->loadXML($soapresponsexml)) {
throw new Exception('Not a SOAP response.');
}
$soapfault = $this->getSOAPFault($dom);
if (isset($soapfault)) {
throw new Exception($soapfault);
}
//Extract the message from the response
$xml = $dom->firstChild;
/* Soap Envelope */
$samlresponse = SAML2_Utils::xpQuery($dom->firstChild, '/soap-env:Envelope/soap-env:Body/*[1]');
$samlresponse = SAML2_Message::fromXML($samlresponse[0]);
/* Add validator to message which uses the SSL context. */
self::addSSLValidator($samlresponse, $context);
SimpleSAML_Logger::debug("Valid ArtifactResponse received from IdP");
return $samlresponse;
}
/**
* This function sends the SOAP message to the service location and returns SOAP response
*
* @param SAML2_Message $msg The request that should be sent.
* @param SimpleSAML_Configuration $srcMetadata The metadata of the issuer of the message.
* @param SimpleSAML_Configuration $dstMetadata The metadata of the destination of the message.
* @return SAML2_Message The response we received.
* @throws Exception
*/
public function send(SAML2_Message $msg, SimpleSAML_Configuration $srcMetadata, SimpleSAML_Configuration $dstMetadata = NULL)
{
$issuer = $msg->getIssuer();
$ctxOpts = array('ssl' => array('capture_peer_cert' => TRUE));
/* Determine if we are going to do a MutualSSL connection between the IdP and SP - Shoaib */
if ($srcMetadata->hasValue('saml.SOAPClient.certificate')) {
$cert = $srcMetadata->getValue('saml.SOAPClient.certificate');
if ($cert !== FALSE) {
$ctxOpts['ssl']['local_cert'] = SimpleSAML_Utilities::resolveCert($srcMetadata->getString('saml.SOAPClient.certificate'));
if ($srcMetadata->hasValue('saml.SOAPClient.privatekey_pass')) {
$ctxOpts['ssl']['passphrase'] = $srcMetadata->getString('saml.SOAPClient.privatekey_pass');
}
}
} else {
/* Use the SP certificate and privatekey if it is configured. */
$privateKey = SimpleSAML_Utilities::loadPrivateKey($srcMetadata);
$publicKey = SimpleSAML_Utilities::loadPublicKey($srcMetadata);
if ($privateKey !== NULL && $publicKey !== NULL && isset($publicKey['PEM'])) {
$keyCertData = $privateKey['PEM'] . $publicKey['PEM'];
$file = SimpleSAML_Utilities::getTempDir() . '/' . sha1($keyCertData) . '.pem';
if (!file_exists($file)) {
SimpleSAML_Utilities::writeFile($file, $keyCertData);
}
$ctxOpts['ssl']['local_cert'] = $file;
if (isset($privateKey['password'])) {
$ctxOpts['ssl']['passphrase'] = $privateKey['password'];
}
}
}
/* Do peer certificate verification */
if ($dstMetadata !== NULL) {
$peerPublicKeys = $dstMetadata->getPublicKeys('signing', TRUE);
$certData = '';
foreach ($peerPublicKeys as $key) {
if ($key['type'] !== 'X509Certificate') {
continue;
}
$certData .= "-----BEGIN CERTIFICATE-----\n" . chunk_split($key['X509Certificate'], 64) . "-----END CERTIFICATE-----\n";
}
$peerCertFile = SimpleSAML_Utilities::getTempDir() . '/' . sha1($certData) . '.pem';
if (!file_exists($peerCertFile)) {
SimpleSAML_Utilities::writeFile($peerCertFile, $certData);
}
/* Create ssl context */
$ctxOpts['ssl']['verify_peer'] = TRUE;
$ctxOpts['ssl']['verify_depth'] = 1;
$ctxOpts['ssl']['cafile'] = $peerCertFile;
}
$ctxOpts['http']['header'] = 'SOAPAction: "http://www.oasis-open.org/committees/security"' . "\n";
if ($this->username !== NULL && $this->password !== NULL) {
/* Add HTTP Basic authentication header. */
$authData = $this->username . ':' . $this->password;
$authData = base64_encode($authData);
$ctxOpts['http']['header'] .= 'Authorization: Basic ' . $authData . "\n";
}
if ($srcMetadata->hasValue('saml.SOAPClient.proxyhost')) {
$options['proxy_host'] = $srcMetadata->getValue('saml.SOAPClient.proxyhost');
}
if ($srcMetadata->hasValue('saml.SOAPClient.proxyport')) {
$options['proxy_port'] = $srcMetadata->getValue('saml.SOAPClient.proxyport');
}
$x = new SoapClient(NULL, $options);
/* Add soap-envelopes */
$request = $msg->toSignedXML();
$request = self::START_SOAP_ENVELOPE . $request->ownerDocument->saveXML($request) . self::END_SOAP_ENVELOPE;
SAML2_Utils::getContainer()->debugMessage($request, 'out');
$ctxOpts['http']['content'] = $request;
$ctxOpts['http']['header'] .= 'Content-Type: text/xml; charset=utf-8' . "\n";
$ctxOpts['http']['method'] = 'POST';
$destination = $msg->getDestination();
/* Perform SOAP Request over HTTP */
$context = stream_context_create($ctxOpts);
if ($context === NULL) {
throw new Exception('Unable to create stream context');
}
$soapresponsexml = @file_get_contents($destination, FALSE, $context);
if ($soapresponsexml === FALSE) {
throw new Exception('Error processing SOAP call: ' . SimpleSAML_Utilities::getLastError());
}
SAML2_Utils::getContainer()->debugMessage($soapresponsexml, 'in');
/* Convert to SAML2_Message (DOMElement) */
try {
$dom = SAML2_DOMDocumentFactory::fromString($soapresponsexml);
} catch (SAML2_Exception_RuntimeException $e) {
throw new Exception('Not a SOAP response.', 0, $e);
}
$soapfault = $this->getSOAPFault($dom);
if (isset($soapfault)) {
throw new Exception($soapfault);
}
/* Extract the message from the response */
$samlresponse = SAML2_Utils::xpQuery($dom->firstChild, '/soap-env:Envelope/soap-env:Body/*[1]');
$samlresponse = SAML2_Message::fromXML($samlresponse[0]);
/* Add validator to message which uses the SSL context. */
self::addSSLValidator($samlresponse, $context);
SAML2_Utils::getContainer()->getLogger()->debug("Valid ArtifactResponse received from IdP");
return $samlresponse;
}