/// <summary>
/// </summary>
/// <param name="e"> </param>
public override void Parse(Node e)
{
if (e.GetType() == typeof (Challenge))
{
var c = e as Challenge;
var step1 = new Step1(c.TextBase64);
if (step1.Rspauth == null)
{
// response xmlns="urn:ietf:params:xml:ns:xmpp-sasl">dXNlcm5hbWU9ImduYXVjayIscmVhbG09IiIsbm9uY2U9IjM4MDQzMjI1MSIsY25vbmNlPSIxNDE4N2MxMDUyODk3N2RiMjZjOWJhNDE2ZDgwNDI4MSIsbmM9MDAwMDAwMDEscW9wPWF1dGgsZGlnZXN0LXVyaT0ieG1wcC9qYWJiZXIucnUiLGNoYXJzZXQ9dXRmLTgscmVzcG9uc2U9NDcwMTI5NDU4Y2EwOGVjYjhhYTIxY2UzMDhhM2U5Nzc
var s2 = new Step2(step1, base.Username, base.Password, base.Server);
var r = new Response(s2.ToString());
//base.XmppClientConnection.Send(r);
}
else
{
// SEND: <response xmlns="urn:ietf:params:xml:ns:xmpp-sasl"/>
//base.XmppClientConnection.Send(new Response());
}
}
}
private void ProcessResponse(XmppStream stream, Response response, XmppHandlerContext context)
{
AuthData authStep;
lock (authData)
{
authData.TryGetValue(stream.Id, out authStep);
}
if (authStep == null)
{
context.Sender.SendToAndClose(stream, XmppFailureError.TemporaryAuthFailure);
return;
}
if (authStep.Step == AuthStep.Step1)
{
var challenge = ProcessStep1(stream, response, context);
if (challenge != null)
{
context.Sender.SendTo(stream, challenge);
authStep.DoStep();
}
else
{
context.Sender.SendToAndClose(stream, XmppFailureError.NotAuthorized);
}
}
else if (authStep.Step == AuthStep.Step2)
{
var success = ProcessStep2(stream, response, context);
context.Sender.SendTo(stream, success);
}
else
{
context.Sender.SendToAndClose(stream, XmppFailureError.TemporaryAuthFailure);
}
}
private Success ProcessStep2(XmppStream stream, Response response, XmppHandlerContext ctx)
{
lock (authData)
{
stream.Authenticate(authData[stream.Id].UserName);
authData.Remove(stream.Id);
}
ctx.Sender.ResetStream(stream);
return new Success();
}
private Challenge ProcessStep1(XmppStream stream, Response response, XmppHandlerContext ctx)
{
var step = new Step2(response.TextBase64);
var userName = step.Username;
var user = ctx.UserManager.GetUser(new Jid(userName, stream.Domain, null));
log.DebugFormat("User {0} {1}. Realm={2}", userName, user == null ? "not found" : user.ToString(), step.Realm);
if (user != null && string.Compare(stream.Domain, step.Realm, StringComparison.OrdinalIgnoreCase) == 0)
{
if (step.Authorize(userName, user.Password))
{
log.DebugFormat("User authorized");
lock (authData)
{
authData[stream.Id].UserName = userName;
}
var challenge = new Challenge();
challenge.TextBase64 = string.Format("rspauth={0}", step.CalculateResponse(userName, user.Password, string.Empty));
return challenge;
}
else
{
log.DebugFormat("User not authorized");
}
}
return null;
}
private void ProcessResponse(XmppStream stream, Response response, XmppHandlerContext context)
{
AuthData authStep;
lock (authData)
{
authData.TryGetValue(stream.Id, out authStep);
}
if (authStep == null)
{
context.Sender.SendToAndClose(stream, XmppFailureError.TemporaryAuthFailure);
return;
}
if (!authStep.IsPlain)
{
if (authStep.Step == AuthStep.Step1)
{
var challenge = ProcessStep1(stream, response, context);
if (challenge != null)
{
context.Sender.SendTo(stream, challenge);
authStep.DoStep();
}
else
{
context.Sender.SendToAndClose(stream, XmppFailureError.NotAuthorized);
}
}
else if (authStep.Step == AuthStep.Step2)
{
var success = ProcessStep2(stream, response, context);
context.Sender.SendTo(stream, success);
}
else
{
context.Sender.SendToAndClose(stream, XmppFailureError.TemporaryAuthFailure);
}
}
else
{
if (authStep.IsAuth)
{
lock (authData)
{
stream.Authenticate(authData[stream.Id].UserName);
authData.Remove(stream.Id);
}
log.DebugFormat("User authorized");
context.Sender.ResetStream(stream);
context.Sender.SendTo(stream, new Success());
}
else
{
log.DebugFormat("User not authorized");
context.Sender.SendTo(stream, new Failure(FailureCondition.not_authorized));
}
}
}
