public object BeforeSendRequest(ref Message request, IClientChannel channel)
{
if (clientCredentials == null || clientCredentials.ClientCertificate.Certificate == null)
{
throw new Exception("clientCredentials Certificate is missing");
}
string action = null, messageID = "urn:uuid:" + Guid.NewGuid().ToString("D");
foreach (var head in request.Headers)
{
var x = XElement.Parse(head.ToString());
switch (head.Name)
{
case "Action": action = x.Value; break;
case "MessageID": messageID = x.Value; break;
}
}
MessageBuffer msgbuf = request.CreateBufferedCopy(int.MaxValue);
var xdoc = XDocument.Load(msgbuf.AsStream());
SealUtilities.CheckAndSetSamlDsPreFix(xdoc); //Hack
//Fill header
NameSpaces.SetMissingNamespaces(xdoc);
var hd = xdoc.Root.Element(NameSpaces.xsoap + "Header");
var ac = hd.Element(NameSpaces.xwsa2 + "Action") ?? hd.Element(NameSpaces.xwsa + "Action");
var md = hd.Element(NameSpaces.xwsa2 + "MessageID") ?? hd.Element(NameSpaces.xwsa + "MessageID");
hd.Add(new XElement(NameSpaces.xwsa + "Action", new XAttribute("mustUnderstand", "1"), new XAttribute(NameSpaces.xwsu + "Id", "action"), action),
new XElement(NameSpaces.xwsa + "MessageID", new XAttribute(NameSpaces.xwsu + "Id", "messageID"), messageID),
new XElement(NameSpaces.xwsse + "Security", new XAttribute("mustUnderstand", "1"), new XAttribute(NameSpaces.xwsu + "Id", "security"),
new XElement(NameSpaces.xwsu + "Timestamp", new XAttribute(NameSpaces.xwsu + "Id", "timestamp"),
new XElement(NameSpaces.xwsu + "Created", DateTime.UtcNow.ToString("u").Replace(' ', 'T'))
)
)
);
ac.Remove();
if (md != null)
{
md.Remove();
}
xdoc.Root.Element(NameSpaces.xsoap + "Body").Add(new XAttribute(NameSpaces.xwsu + "Id", "body"));
var signer = new SealSignedXml(xdoc);
XmlDocument envelope = signer.Sign(clientCredentials.ClientCertificate.Certificate);
var nrd = new XmlNodeReader(envelope);
msgbuf = Message.CreateMessage(nrd, int.MaxValue, request.Version).CreateBufferedCopy(int.MaxValue);
request = msgbuf.CreateMessage();
return(envelope);
}
public void AfterReceiveReply(ref Message reply, object correlationState)
{
XmlDocument request = correlationState as XmlDocument;
if (!reply.IsFault)
{
MessageBuffer msgbuf = reply.CreateBufferedCopy(int.MaxValue);
var signcheck = new SealSignedXml(msgbuf.AsStream());
if (!signcheck.CheckEnvelopeSignature())
{
throw new Exception("Response signature Error");
}
reply = msgbuf.CreateMessage();
}
}
