internal override void Handle()
{
if (_serverFeatures.TLSSupport == ServerFeatures.TLSSupportType.Required ||
(_serverFeatures.TLSSupport == ServerFeatures.TLSSupportType.SupportedNotRequired && (Context.Settings.UseTLS == UseTLS.Always || Context.Settings.UseTLS == UseTLS.IfSupported))) {
Context.OnConnectionStateChanged(ConnectionStateType.Securing);
Context.Connection.Send(new StartTlsRequest());
StartTlsResponse startTlsResponse = StartTlsResponse.CreateFromXml(Context.Connection.Receive());
if (!startTlsResponse.Proceed) {
//throw new InvalidOperationException("Attempt to start TLS negotiation failed");
}
Context.Connection.Secure(Context.Settings.TlsCertificateCallback);
Context.Connection.InitializeStream();
_serverFeatures = ServerFeatures.CreateFromXml(Context.Connection.Receive());
}
NextState = new CompressState(Context, _serverFeatures);
}
internal override void Handle()
{
if (!_serverFeatures.Mechanisms.Contains("DIGEST-MD5")) {
//throw new NotSupportedException("No supported auth mechanisms");
}
Context.OnConnectionStateChanged(ConnectionStateType.Authenticating);
Context.Connection.Send(new DigestMD5SaslAuth());
SaslChallenge saslChallenge = SaslChallenge.CreateFromXml(Context.Connection.Receive());
var digestMD5Authentication = new DigestMD5Authentication(saslChallenge.ChallangeString);
string response = digestMD5Authentication.GetDigestResponse(Context.Settings.UserJId.User, Context.Settings.Password, digestMD5Authentication.Realms[0], Context.Settings.UserJId.Domain);
Context.Connection.Send(new SaslResponse(response));
SaslAuthResult saslAuthResult = SaslAuthResult.CreateFromXml(Context.Connection.Receive());
if (!saslAuthResult.Success) {
StreamException.ThrowStreamException(saslAuthResult.FailReason);
}
Context.Connection.InitializeStream();
_serverFeatures = ServerFeatures.CreateFromXml(Context.Connection.Receive());
NextState = new BindResourceState(Context, _serverFeatures);
}
internal CompressState(IXmppContext context, ServerFeatures serverFeatures)
: base(context)
{
_serverFeatures = serverFeatures;
}
internal SaslAuthState(IXmppContext context, ServerFeatures serverFeatures)
: base(context)
{
_serverFeatures = serverFeatures;
}
internal static ServerFeatures CreateFromXml(XElement element)
{
var serverFeatures = new ServerFeatures();
XElement chile = element.Descendants(XName.Get("starttls", NamespaceStrings.XmppTls)).FirstOrDefault();
if (chile != null) {
serverFeatures.TLSSupport = chile.Element(XName.Get("required", NamespaceStrings.XmppTls)) != null ?
TLSSupportType.Required : TLSSupportType.SupportedNotRequired;
}
serverFeatures.Mechanisms = (from mechanism in element.Descendants(XName.Get("mechanism", NamespaceStrings.XmppSasl)) select mechanism.Value).ToList();
chile = element.Descendants(XName.Get("bind", NamespaceStrings.XmppBind)).FirstOrDefault();
if (chile != null) {
serverFeatures.Bind = true;
}
chile = element.Descendants(XName.Get("session", NamespaceStrings.XmppSession)).FirstOrDefault();
if (chile != null) {
serverFeatures.Session = true;
}
return serverFeatures;
}
internal BindResourceState(IXmppContext context, ServerFeatures serverFeatures)
: base(context)
{
_serverFeatures = serverFeatures;
}