private IQ ProcessBind(XmppStream stream, IQ iq, XmppHandlerContext context)
{
if (iq.Type != IqType.set)
{
return(XmppStanzaError.ToBadRequest(iq));
}
var answer = new IQ(IqType.result);
answer.Id = iq.Id;
var bind = (Bind)iq.Bind;
var resource = !string.IsNullOrEmpty(bind.Resource) ? bind.Resource : stream.User;
if (bind.TagName.Equals("bind", StringComparison.OrdinalIgnoreCase))
{
var jid = new Jid(stream.User, stream.Domain, resource);
var session = context.SessionManager.GetSession(jid);
if (session != null)
{
if (session.Stream.Id != stream.Id)
{
context.Sender.SendToAndClose(session.Stream, XmppStreamError.Conflict);
answer.AddTag("newTalkWindow", "true");
}
else
{
return(XmppStanzaError.ToConflict(iq));
}
}
stream.BindResource(resource);
context.SessionManager.AddSession(new XmppSession(jid, stream));
answer.Bind = new Bind(jid);
}
else if (bind.TagName.Equals("unbind", StringComparison.OrdinalIgnoreCase))
{
if (!stream.Resources.Contains(resource))
{
return(XmppStanzaError.ToNotFound(iq));
}
context.SessionManager.CloseSession(iq.From);
stream.UnbindResource(resource);
if (stream.Resources.Count == 0)
{
context.Sender.CloseStream(stream);
}
}
else
{
return(XmppStanzaError.ToBadRequest(iq));
}
if (stream.MultipleResources)
{
answer.To = iq.From;
}
return(answer);
}
