public function attachTokentoSig($token)
{
if (!$token instanceof DOMElement) {
throw new Exception('Invalid parameter: BinarySecurityToken element expected');
}
$objXMLSecDSig = new XMLSecurityDSig();
if ($objDSig = $objXMLSecDSig->locateSignature($this->soapDoc)) {
$tokenURI = '#' . $token->getAttributeNS(self::WSUNS, 'Id');
$this->SOAPXPath->registerNamespace('secdsig', XMLSecurityDSig::XMLDSIGNS);
$query = './secdsig:KeyInfo';
$nodeset = $this->SOAPXPath->query($query, $objDSig);
$keyInfo = $nodeset->item(0);
if (!$keyInfo) {
$keyInfo = $objXMLSecDSig->createNewSignNode('KeyInfo');
$objDSig->appendChild($keyInfo);
}
$tokenRef = $this->soapDoc->createElementNS(self::WSSENS, self::WSSEPFX . ':SecurityTokenReference');
$keyInfo->appendChild($tokenRef);
$reference = $this->soapDoc->createElementNS(self::WSSENS, self::WSSEPFX . ':Reference');
$reference->setAttribute('ValueType', 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509v3');
$reference->setAttribute('URI', $tokenURI);
$tokenRef->appendChild($reference);
} else {
throw new Exception('Unable to locate digital signature');
}
}