public void SendWhisper(PublishingEvent ev)
{
if (ev.Cancel)
{
return;
}
AuthenticatedClient sender = (AuthenticatedClient)clientRepository.GetByID(ev.Message.clientId);
Whisper whisper = Whisper.FromMessage(ev.Message);
if (whisper == null)
{
ev.Cancel = true;
ev.CancellationReason = "Format error";
SendInfoToClient(sender, "Usage: /whisper <nickname> message");
return;
}
AuthenticatedClient receiver =
clientRepository.WhereSubscribedTo("/chat")
.Cast <AuthenticatedClient>()
.FirstOrDefault(user => user.HasUsername(whisper.Username));
if (receiver == null)
{
SendInfoToClient(sender, "User " + whisper.Username + " is not connected to the chat");
return;
}
SendInfoToClient(sender, "To " + whisper.Username + ": " + whisper.Message);
SendInfoToClient(receiver, sender.Username + " whispers: " + whisper.Message);
}
public void CheckHandshake(HandshakingEvent ev)
{
// Based on the (client side) authentication Howto at http://cometd.org/documentation/howtos/authentication
// If we have credentials, then they are transferred via "ext"
// ext will be a Dictionary<string,object> with a key, "authentication"
// authentication will be a Dictionary<string,object> with two keys, "user" and "credentials"
var authenticationDictionary = ev.Handshake.GetExt <Dictionary <string, object> >("authentication");
object user;
object credentials;
if (authenticationDictionary != null &&
authenticationDictionary.TryGetValue("user", out user) &&
authenticationDictionary.TryGetValue("credentials", out credentials))
{
if (user is string && credentials.Equals("password"))
{
AuthenticatedClient authenticatedClient = (AuthenticatedClient)ev.Client;
authenticatedClient.Username = (string)user;
authenticatedClient.Password = (string)credentials;
return;
}
ev.CancellationReason = "Incorrect username or password";
}
else
{
ev.CancellationReason = "Credentials not supplied";
}
ev.Cancel = true;
ev.Retry = false;
}
public void SendInfoToUser( AuthenticatedClient i_user, string i_text )
{
Message message = new Message {
channel = "/chat",
clientId = i_user.ID
};
message.SetData( "message", i_text );
i_user.Enqueue( message );
i_user.FlushQueue();
}