/**
* @param SAML2_Message $samlMessage
* @return mixed
*/
public function serialize(SAML2_Message $samlMessage)
{
if ($samlMessage->getSignatureKey()) {
$samlMessageDomElement = $samlMessage->toSignedXML();
} else {
$samlMessageDomElement = $samlMessage->toUnsignedXML();
}
return $samlMessageDomElement->ownerDocument->saveXML($samlMessageDomElement);
}
/**
* Create the redirect URL for a message.
*
* @param SAML2_Message $message The message.
* @return string The URL the user should be redirected to in order to send a message.
*/
public function getRedirectURL(SAML2_Message $message)
{
if ($this->destination === NULL) {
$destination = $message->getDestination();
} else {
$destination = $this->destination;
}
$relayState = $message->getRelayState();
$key = $message->getSignatureKey();
$msgStr = $message->toUnsignedXML();
$msgStr = $msgStr->ownerDocument->saveXML($msgStr);
SimpleSAML_Utilities::debugMessage($msgStr, 'out');
$msgStr = gzdeflate($msgStr);
$msgStr = base64_encode($msgStr);
/* Build the query string. */
if ($message instanceof SAML2_Request) {
$msg = 'SAMLRequest=';
} else {
$msg = 'SAMLResponse=';
}
$msg .= urlencode($msgStr);
if ($relayState !== NULL) {
$msg .= '&RelayState=' . urlencode($relayState);
}
if ($key !== NULL) {
/* Add the signature. */
$msg .= '&SigAlg=' . urlencode(XMLSecurityKey::RSA_SHA1);
$signature = $key->signData($msg);
$msg .= '&Signature=' . urlencode(base64_encode($signature));
}
if (strpos($destination, '?') === FALSE) {
$destination .= '?' . $msg;
} else {
$destination .= '&' . $msg;
}
return $destination;
}
