//Main authentication method
public bool Authenticate()
{
byte[] bytes = new byte[256];
string data = null;
bool validate_command = false;
//Get user command
//Valid command is login and register
while (!validate_command)
{
chatserver.Write(client.GetStream(),
AuthenticationProtocolValues.COMMAND_PROMPT);
data = chatserver.Read(client.GetStream());
data = data.Trim();
//default action is to assume that the command is invalid
action = new AuthenticateAction(action_default);
//actions are reassigned based on data entered by user
if (data.ToUpper().IndexOf(AuthenticationProtocolValues.LOGIN_COMMAND) == 0)
{
action = new AuthenticateAction(action_login);
validate_command = true;
}
if (data.ToUpper().IndexOf(AuthenticationProtocolValues.REGISTER_COMMAND) == 0)
{
action = new AuthenticateAction(action_register);
validate_command = true;
}
//perform the action
//if it failed the the process has failed
if (!action())
{
return(false);
}
} //While
//when out of loop the command has succeed
//send the authenticated message to the client
chatserver.Write(client.GetStream(),
AuthenticationProtocolValues.AUTENTICATED_MSG);
return(true);
}
private void action_default()
{
_chatserver.Write(_client.GetStream(),
ChatProtocolValues.UNKNOWN_CMD_MSG(_readdata));
}
public bool Authenticate()
{
var validateCommand = false;
while (!validateCommand)
{
_chatserver.Write(_client.GetStream(),
AuthenticationProtocolValues.CommandPrompt);
var data = _chatserver.Read(_client.GetStream());
data = data.Trim();
_action = action_default;
if (data.ToUpper().IndexOf(AuthenticationProtocolValues.LoginCommand, StringComparison.Ordinal) == 0)
{
_action = action_login;
validateCommand = true;
}
if (data.ToUpper().IndexOf(AuthenticationProtocolValues.RegisterCommand, StringComparison.Ordinal) == 0)
{
_action = action_register;
validateCommand = true;
}
if (!_action())
{
return(false);
}
}
_chatserver.Write(_client.GetStream(),
AuthenticationProtocolValues.AutenticatedMsg);
return(true);
}