/**
* Modify the given request XML.
*
* @param \BeSimple\SoapCommon\SoapResponse $response SOAP response
*
* @return void
*/
public function filterResponse(CommonSoapResponse $response)
{
// get \DOMDocument from SOAP response
$dom = $response->getContentDocument();
// create FilterHelper
$filterHelper = new FilterHelper($dom);
// add the neccessary namespaces
$filterHelper->addNamespace(Helper::PFX_WSS, Helper::NS_WSS);
$filterHelper->addNamespace(Helper::PFX_WSU, Helper::NS_WSU);
$filterHelper->registerNamespace(XmlSecurityDSig::PFX_XMLDSIG, XmlSecurityDSig::NS_XMLDSIG);
// init timestamp
$dt = new \DateTime('now', new \DateTimeZone('UTC'));
$createdTimestamp = $dt->format(static::DATETIME_FORMAT);
// create security header
$security = $filterHelper->createElement(Helper::NS_WSS, 'Security');
$filterHelper->addHeaderElement($security, true, $this->actor, $response->getVersion());
if (true === $this->addTimestamp || null !== $this->expires) {
$timestamp = $filterHelper->createElement(Helper::NS_WSU, 'Timestamp');
$created = $filterHelper->createElement(Helper::NS_WSU, 'Created', $createdTimestamp);
$timestamp->appendChild($created);
if (null !== $this->expires) {
$dt->modify('+' . $this->expires . ' seconds');
$expiresTimestamp = $dt->format(static::DATETIME_FORMAT);
$expires = $filterHelper->createElement(Helper::NS_WSU, 'Expires', $expiresTimestamp);
$timestamp->appendChild($expires);
}
$security->appendChild($timestamp);
}
if (null !== $this->userSecurityKey && $this->userSecurityKey->hasKeys()) {
$guid = 'CertId-' . Helper::generateUUID();
// add token references
$keyInfo = null;
if (null !== $this->tokenReferenceSignature) {
$keyInfo = $this->createKeyInfo($filterHelper, $this->tokenReferenceSignature, $guid, $this->userSecurityKey->getPublicKey());
}
$nodes = $this->createNodeListForSigning($dom, $security);
$signature = XmlSecurityDSig::createSignature($this->userSecurityKey->getPrivateKey(), XmlSecurityDSig::EXC_C14N, $security, null, $keyInfo);
$options = array('id_ns_prefix' => Helper::PFX_WSU, 'id_prefix_ns' => Helper::NS_WSU);
foreach ($nodes as $node) {
XmlSecurityDSig::addNodeToSignature($signature, $node, XmlSecurityDSig::SHA1, XmlSecurityDSig::EXC_C14N, $options);
}
XmlSecurityDSig::signDocument($signature, $this->userSecurityKey->getPrivateKey(), XmlSecurityDSig::EXC_C14N);
$publicCertificate = $this->userSecurityKey->getPublicKey()->getX509Certificate(true);
$binarySecurityToken = $filterHelper->createElement(Helper::NS_WSS, 'BinarySecurityToken', $publicCertificate);
$filterHelper->setAttribute($binarySecurityToken, null, 'EncodingType', Helper::NAME_WSS_SMS . '#Base64Binary');
$filterHelper->setAttribute($binarySecurityToken, null, 'ValueType', Helper::NAME_WSS_X509 . '#X509v3');
$filterHelper->setAttribute($binarySecurityToken, Helper::NS_WSU, 'Id', $guid);
$security->insertBefore($binarySecurityToken, $signature);
// encrypt soap document
if (null !== $this->serviceSecurityKey && $this->serviceSecurityKey->hasKeys()) {
$guid = 'EncKey-' . Helper::generateUUID();
// add token references
$keyInfo = null;
if (null !== $this->tokenReferenceEncryption) {
$keyInfo = $this->createKeyInfo($filterHelper, $this->tokenReferenceEncryption, $guid, $this->serviceSecurityKey->getPublicKey());
}
$encryptedKey = XmlSecurityEnc::createEncryptedKey($guid, $this->serviceSecurityKey->getPrivateKey(), $this->serviceSecurityKey->getPublicKey(), $security, $signature, $keyInfo);
$referenceList = XmlSecurityEnc::createReferenceList($encryptedKey);
// token reference to encrypted key
$keyInfo = $this->createKeyInfo($filterHelper, self::TOKEN_REFERENCE_SECURITY_TOKEN, $guid);
$nodes = $this->createNodeListForEncryption($dom);
foreach ($nodes as $node) {
$type = XmlSecurityEnc::ELEMENT;
if ($node->localName == 'Body') {
$type = XmlSecurityEnc::CONTENT;
}
XmlSecurityEnc::encryptNode($node, $type, $this->serviceSecurityKey->getPrivateKey(), $referenceList, $keyInfo);
}
}
}
}
/**
* Set MessageId of type xs:anyURI.
* Default: UUID v4 e.g. 'uuid:550e8400-e29b-11d4-a716-446655440000'
*
* @param string $messageId xs:anyURI
*
* @return void
*/
public function setMessageId($messageId = null)
{
if (null === $messageId) {
$messageId = 'uuid:' . Helper::generateUUID();
}
$this->messageId = $messageId;
}
/**
* Returns a unique ID to be used for the Content-ID header.
*
* @return string
*/
protected function generateContentId()
{
return 'urn:uuid:' . Helper::generateUUID();
}
/**
* Returns a unique boundary string.
*
* @return string
*/
protected function generateBoundary()
{
return 'urn:uuid:' . Helper::generateUUID();
}
