private Element CreateNode(XmlNodeResult nd, Element parent)
{
string ens;
if (nd.Prefix != null)
{
RemObjects.InternetPack.XMPP.Elements.Attribute at = nd.Attribute.FirstOrDefault(a => a.Prefix == "xmlns" && a.Name == nd.Prefix);
if (at == null)
{
Element el = parent;
ens = string.Empty;
while (el != null)
{
RemObjects.InternetPack.XMPP.Elements.Attribute els = el.Attributes.Where(a => a.Prefix == "xmlns" && a.Name == nd.Prefix).FirstOrDefault();
if (els != null)
{
ens = els.Value;
break;
}
el = el.Parent;
}
}
else
ens = at.Value;
}
else
{
RemObjects.InternetPack.XMPP.Elements.Attribute at = nd.Attribute.FirstOrDefault(a => a.Prefix == null && a.Name == "xmlns");
if (at == null)
ens = string.Empty;
else
ens = at.Value;
}
Element res = null;
switch (ens)
{
case Namespaces.ClientStreamNamespace:
case Namespaces.ServerStreamNamespace:
case "":
if (ens == null && parent != null && parent.Type == ElementType.IQ && nd.Name == "error")
res = new IQError();
else
switch (nd.Name)
{
case "iq":
res = new IQ();
break;
case "presence":
res = new Presence();
break;
case "message":
res = new Message();
break;
}
break;
case Namespaces.StreamNamespace:
switch (nd.Name)
{
case "stream":
RemObjects.InternetPack.XMPP.Elements.Attribute att = nd.Attribute.FirstOrDefault(a => a.Prefix == null && a.Name == "xmlns");
if (att == null || att.Value == Namespaces.ClientStreamNamespace)
res = new ClientStream();
else
res = new ServerStream();
break;
case "features":
res = new StreamFeatures();
break;
case "error":
res = new StreamError();
break;
}
break;
case Namespaces.StartTLSNamespace:
switch (nd.Name)
{
case "starttls":
res = new StartTLS();
break;
case "failure":
res = new StartTLSFailure();
break;
case "proceed":
res = new StartTLSProceed();
break;
}
break;
case Namespaces.SaslNamespace:
switch (nd.Name) {
case "mechanisms":
res = new Mechanisms();
break;
case "auth":
res = new SaslAuth();
break;
case "challenge":
res = new SaslChallenge();
break;
case "response":
res = new SaslResponse();
break;
case "abort":
res = new SaslAbort();
break;
case "success":
res = new SaslSuccess();
break;
case "failure":
res = new SaslFailure();
break;
}
break;
}
if (res == null)
{
res = new UnknownElement();
}
else
res.Attributes.Clear(); // default ones shouldn't be here during the reading process
if (parent != null)
{
res.Parent = parent;
if (parent != fServerRoot)
parent.Elements.Add(res);
}
res.Prefix = nd.Prefix;
res.Name = nd.Name;
foreach (var el in nd.Attribute)
res.Attributes.Add(el);
return res;
}
public StreamFeaturesArgs(StreamFeatures features)
{
fFeatures = features;
}
protected void OnStreamFeatures(StreamFeatures aFeatures)
{
if (StreamFeatures != null)
{
StreamFeaturesArgs args = new StreamFeaturesArgs(aFeatures);
StreamFeatures(this, args);
}
}
private void GotFeatures(StreamFeatures features)
{
EndTimeout();
OnStreamFeatures(features);
if (fState == XMPP.State.Authenticated)
{
if (BindResource)
{
fState = XMPP.State.BindingResource;
SendResourceBinding();
}
else
{
fState = XMPP.State.Active; // finally!
OnActive();
}
return;
}
fServerMechanisms = features.AuthenticationMechanisms;
var starttls = features.StartTLS;
if (!(fConnection is SslConnection))
{
switch (InitTLS)
{
case InitTLSMode.Always:
if (starttls == null)
{
OnError(new TlsRequiredException("TLS required but not supported by server"));
Close();
return;
}
StartTLS();
break;
case InitTLSMode.IfAvailable:
StartTLS();
break;
default:
StartAuth();
break;
}
}
else
StartAuth();
}