/// <summary>
/// Authenticate the client to the server.
/// </summary>
/// <param name="context">The server context sending the data.</param>
/// <param name="request">Is in request mode.</param>
/// <param name="data">The data from the client.</param>
protected virtual void Authenticate(Nequeo.Net.Sockets.ServerContext context, bool request, string data)
{
if (!String.IsNullOrEmpty(data))
{
// Get the intentity.
string uniqueClientIdentifier = data.Trim();
// Assign the client data.
context.UniqueIdentifier = uniqueClientIdentifier;
// If an identifier exists.
if (!String.IsNullOrEmpty(context.UniqueIdentifier))
{
// The client has been authenticated.
context.SetAuthenticated();
// Send a message to the client
// indicating that the client
// is allowed to join the conversation.
context.Send("JOIN 200 " + uniqueClientIdentifier + "\r\n");
}
else
{
// Send a message to the client
// indicating that the credentials
// are invalid.
context.Send("REJD 402 Credentials have been suspended or invalid." + "\r\n");
}
}
else
{
// Send an error to the client.
context.Send("ERRO 500 No data" + "\r\n");
}
}
/// <summary>
/// Data sent from the server context to the server.
/// </summary>
/// <param name="context">The server context sending the data.</param>
/// <param name="command">The command sent from the server context to the server.</param>
/// <param name="data">The data sent from the server context to the server.</param>
/// <returns>True if the command was found and executed; else false.</returns>
public bool ReceiveFromServer(Nequeo.Net.Sockets.ServerContext context, string command, string data)
{
// Delay.
System.Threading.Thread.Sleep(10);
// Process the command.
switch (command.ToUpper())
{
case "AUTH":
// Send a message to the client
// indicating that the credentials
// are valid.
Authenticate(context, false, data);
return(true);
case "AREJ":
// Send a message to the client
// indicating that the credentials
// are invalid.
context.Send("REJD 401 Credentials are invalid." + "\r\n");
return(true);
case "ERRO":
// Send an error to the client.
context.Send("ERRO 500" + (String.IsNullOrEmpty(data) ? "" : " " + data) + "\r\n");
return(true);
default:
return(ExecuteCommand(context, command, false, data));
}
}
/// <summary>
/// Execute the request.
/// </summary>
/// <param name="context">The server context sending the data.</param>
/// <param name="command">The command sent from the server context to the server.</param>
/// <param name="request">Is in request mode; else returning data.</param>
/// <param name="data">The data from the client.</param>
/// <param name="isDirectServerRequest">Is the request direct from the server.</param>
private void ExecuteRequest(Nequeo.Net.Sockets.ServerContext context, string command, bool request, string data, bool isDirectServerRequest = false)
{
// Has the credentials been authenticated.
if (_isAuthenticated)
{
// If in request mode.
if (request)
{
// Send a message to the server.
context.SendToServer(Encoding.ASCII.GetBytes(command + (String.IsNullOrEmpty(data) ? "" : " " + data) + "\r\n"));
}
else
{
// If not direct from server.
if (!isDirectServerRequest)
{
// Send a message to the client.
context.Send(command + " 200" + (String.IsNullOrEmpty(data) ? "" : " " + data) + "\r\n");
}
}
}
}
