/// <summary>
/// Stop the server
/// </summary>
public async Task Stop()
{
await Task.Run(() =>
{
TelnetServer.Stop();
Services.GetService <IBotLogger>().LogInformation($"Telnet sever stopped");
});
}
/// <summary>
/// Assign new telnet client an environment terminal and send greeting
/// </summary>
/// <param name="telnetClient"></param>
private void ClientConnected(TelnetClient telnetClient)
{
var terminalManager = Services.GetService <IModuleManager>().GetManager <ITerminalManager>();
telnetClient.SetTerminal(terminalManager.RequestTerminal("Telnet", telnetClient.GetRemoteAddress()));
telnetClient.GetTerminal().GetDataBag()["step"] = "connected";
TelnetServer.ClearClientScreen(telnetClient);
TelnetServer.SendMessageToClient(telnetClient,
"Terminal granted " + telnetClient.GetTerminal().GetId() + ".\r\n\r\n"
+ "Welcome to Before Our Time. For help type \"help\".\r\n\r\n"
+ "Welcome> ");
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="services">Dependency injection provider</param>
public TelnetManager(IServiceProvider services, IConfigurationRoot configuration)
{
Services = services;
Address = IPAddress.Parse(configuration.GetSection("Servers").GetSection("Telnet").GetSection("Listen").GetValue <string>("Address"));
Port = configuration.GetSection("Servers").GetSection("Telnet").GetSection("Listen").GetValue <int>("Port");
TelnetServer = new TelnetServer(Address, 1024 * 1024);
TelnetServer.ClientConnected += ClientConnected;
TelnetServer.ClientDisconnected += ClientDisconnected;
TelnetServer.ConnectionBlocked += ClientBlocked;
TelnetServer.MessageReceived += MessageFromClient;
MessageHandlers = BuildMessageHandlers();
MessageHandlersByType = BuildMessageHandlersByType(MessageHandlers);
}
/// <summary>
/// Process a message from the terminal to the telnet client
/// </summary>
/// <param name="terminal"></param>
/// <param name="environmentUpdate"></param>
private void MessageFromTerminal(ITerminal terminal, IMessage message)
{
if (MessageHandlersByType.ContainsKey(message.GetType()))
{
MessageHandlersByType[message.GetType()].ForEach(delegate(ITranslate handler)
{
handler.Translate(message, TelnetServer, Clients[terminal.GetId()]);
});
}
else
{
TelnetServer.SendMessageToClient(Clients[terminal.GetId()], "\r\n\r\n"
+ $"Unknown message from server ({message.GetType().ToString()}):\r\n"
+ JsonConvert.SerializeObject(message));
}
TelnetServer.SendMessageToClient(Clients[terminal.GetId()], "\r\n\r\n> ");
}
/// <summary>
/// Handle Message From Client when Go command is issued
/// </summary>
/// <param name="telnetClient"></param>
/// <param name="message"></param>
private void MFCGo(TelnetClient telnetClient, string message)
{
string secondWord = message.Split(' ').LastOrDefault();
var exitResponse = telnetClient.ItemExits
.Where(x => x.Name.ToLower()
.Contains(secondWord.ToLower()))
.FirstOrDefault();
if (exitResponse != null)
{
var response = telnetClient.GetTerminal().SendToApi(new CoreUseItemRequest()
{
ItemId = exitResponse.Item.Id
});
telnetClient.GetTerminal().SendToClientAsync(response);
}
else
{
TelnetServer.SendMessageToClient(telnetClient, "\r\nGo where??\r\n> ");
}
}
/// <summary>
/// Handle Message From Client when associated terminal is in authenticated status
/// </summary>
/// <remarks>
/// Handles all messages when DataBag step is "create_character"
/// </remarks>
/// <param name="telnetClient">Telnet client</param>
/// <param name="message">message from client</param>
private void MFCTerminalAuthenticatedCreatePlayer(TelnetClient telnetClient, string message)
{
if (!telnetClient.GetTerminal().GetDataBag().ContainsKey("create_character_step"))
{
telnetClient.GetTerminal().GetDataBag()["create_character_step"] = "create";
}
switch (telnetClient.GetTerminal().GetDataBag()["create_character_step"])
{
case "create":
TelnetServer.SendMessageToClient(telnetClient, "\r\n"
+ "Ok, let's create a new character.\r\n\r\n"
+ " Name: ");
telnetClient.GetTerminal().GetDataBag()["create_character_step"] = "save_name";
break;
case "save_name":
telnetClient.GetTerminal().GetDataBag()["create_character_name"] = message;
if (telnetClient.GetTerminal().CreatePlayer(telnetClient.GetTerminal().GetDataBag()["create_character_name"]))
{
telnetClient.GetTerminal().GetDataBag()["step"] = "attached";
TelnetServer.SendMessageToClient(telnetClient, "\r\n"
+ "Terminal attached to avatar. Play!\r\n\r\n"
+ "> ");
}
else
{
telnetClient.GetTerminal().GetDataBag()["step"] = "attached";
telnetClient.GetTerminal().GetDataBag().Remove("create_character_name");
telnetClient.GetTerminal().GetDataBag().Remove("create_character_step");
TelnetServer.SendMessageToClient(telnetClient, "\r\n"
+ "Something went wrong. Character not created.\r\n\r\n"
+ "Account> ");
}
break;
}
}
/// <summary>
/// Start the server
/// </summary>
public void Start()
{
TelnetServer.Start(Address, Port);
Services.GetService <IBotLogger>().LogInformation($"Telnet server started on {TelnetServer.GetIPEndPoint()}");
}
/// <summary>
/// Handle Message From Client when associated terminal is in authenticated status
/// </summary>
/// <param name="telnetClient">Telnet client</param>
/// <param name="message">message from client</param>
private void MFCTerminalAuthenticated(TelnetClient telnetClient, string message)
{
if (telnetClient.GetTerminal().GetDataBag()["step"] == "create_character")
{
MFCTerminalAuthenticatedCreatePlayer(telnetClient, message);
}
else if (telnetClient.GetTerminal().GetDataBag()["step"] == "authenticated")
{
switch (message.Split(' ').First().ToLower())
{
case "?":
case "help":
TelnetServer.SendMessageToClient(telnetClient, "\r\n\r\n"
+ " new - Create a new character\r\n"
+ " list - List existing characters\r\n"
+ " play {name} - Play an existing character\r\n"
+ " back - Return to previous screen\r\n"
+ " bye - Disconnect\r\n\r\n"
+ "Account> ");
break;
case "back":
telnetClient.GetTerminal().SetStatus(TerminalStatus.Guest);
telnetClient.GetTerminal().GetDataBag()["step"] = "connected";
TelnetServer.SendMessageToClient(telnetClient, "\r\nWelcome> ");
break;
case "new":
telnetClient.GetTerminal().GetDataBag()["step"] = "create_character";
MFCTerminalAuthenticatedCreatePlayer(telnetClient, message);
break;
case "list":
TelnetServer.SendMessageToClient(telnetClient, "\r\n\r\n");
var characters = telnetClient.GetTerminal().GetAttachable();
characters.ForEach(delegate(Item player)
{
TelnetServer.SendMessageToClient(telnetClient, " " +
player.GetProperty <VisibleItemProperty>().Name +
" (" + player.Id + ")\r\n");
});
TelnetServer.SendMessageToClient(telnetClient, "\r\n");
TelnetServer.SendMessageToClient(telnetClient, "Account> ");
break;
case "q":
case "bye":
TelnetServer.SendMessageToClient(telnetClient, "Cya...\r\n");
TelnetServer.KickClient(telnetClient);
break;
case "play":
var name = message.Split(' ').Last().ToLower();
telnetClient.GetTerminal().GetAttachable().ForEach(delegate(Item player)
{
if (player.GetProperty <VisibleItemProperty>().Name.ToLower() == name)
{
telnetClient.GetTerminal().Attach(player.Id);
telnetClient.GetTerminal().GetDataBag()["step"] = "attached";
TelnetServer.SendMessageToClient(telnetClient, "\r\n"
+ "Terminal attached to avatar. Play!\r\n\r\n"
+ "> ");
}
});
if (telnetClient.GetTerminal().GetStatus() != TerminalStatus.Attached)
{
TelnetServer.SendMessageToClient(telnetClient, "\r\n"
+ "Unknown character \"" + name + "\"\r\n"
+ "Account> ");
}
break;
default:
TelnetServer.SendMessageToClient(telnetClient, "\r\n"
+ "Unknown account command \"" + message + "\". Try \"help\".\r\n\r\n"
+ "Account> ");
break;
}
}
}
/// <summary>
/// Handle Message From Client when associated terminal is in guest status
/// </summary>
/// <param name="telnetClient">Telnet client</param>
/// <param name="message">message from client</param>
private void MFCTerminalGuest(TelnetClient telnetClient, string message)
{
if (telnetClient.GetTerminal().GetDataBag()["step"] == "connected")
{
switch (message.ToLower())
{
case "?":
case "help":
TelnetServer.SendMessageToClient(telnetClient, "\r\n\r\n"
+ " new - Create a new account\r\n"
+ " login - Login to an existing account\r\n"
+ " bye - Disconnect\r\n\r\n"
+ "Welcome> ");
break;
case "q":
case "bye":
TelnetServer.SendMessageToClient(telnetClient, "\r\nCya...\r\n\r\n");
TelnetServer.KickClient(telnetClient);
break;
case "new":
TelnetServer.SendMessageToClient(telnetClient, "\r\n"
+ "Name: ");
telnetClient.GetTerminal().GetDataBag()["step"] = "create_name";
break;
case "login":
TelnetServer.SendMessageToClient(telnetClient, "\r\n"
+ "Email: ");
telnetClient.GetTerminal().GetDataBag()["step"] = "login_name";
break;
default:
TelnetServer.SendMessageToClient(telnetClient, "\r\n"
+ "Unknown welcome command \"" + message + "\". Try \"help\".\r\n\r\n"
+ "Welcome> ");
break;
}
}
else if (telnetClient.GetTerminal().GetDataBag()["step"] == "login_name")
{
telnetClient.GetTerminal().GetDataBag()["login_name"] = message;
telnetClient.GetTerminal().GetDataBag()["step"] = "login_password";
TelnetServer.SendMessageToClient(telnetClient, "\r\n"
+ "Password: "******"step"] == "login_password")
{
var loginRequest = new AccountLoginAccountRequest()
{
Email = telnetClient.GetTerminal().GetDataBag()["login_name"],
Password = message
};
AccountLoginAccountResponse loginResponse = (AccountLoginAccountResponse)telnetClient.GetTerminal().SendToApi(loginRequest);
if (loginResponse.IsSuccess())
{
telnetClient.GetTerminal().Authenticate(loginResponse.Account.Id);
telnetClient.GetTerminal().SubscribeMessageToTerminal(MessageFromTerminal);
Clients[telnetClient.GetTerminal().GetId()] = telnetClient;
telnetClient.GetTerminal().GetDataBag()["step"] = "authenticated";
TelnetServer.SendMessageToClient(telnetClient, "\r\n"
+ "Hello " + telnetClient.GetTerminal().GetDataBag()["login_name"] + "\r\n\r\n"
+ "Account> ");
}
else
{
telnetClient.GetTerminal().GetDataBag()["step"] = "connected";
TelnetServer.SendMessageToClient(telnetClient, "\r\n"
+ "Bad username or password.\r\n\r\n"
+ "Welcome> ");
}
}
else if (telnetClient.GetTerminal().GetDataBag()["step"] == "create_name")
{
telnetClient.GetTerminal().GetDataBag()["create_name"] = message;
telnetClient.GetTerminal().GetDataBag()["step"] = "create_email";
TelnetServer.SendMessageToClient(telnetClient, "\r\n"
+ "Email: ");
}
else if (telnetClient.GetTerminal().GetDataBag()["step"] == "create_email")
{
telnetClient.GetTerminal().GetDataBag()["create_email"] = message;
telnetClient.GetTerminal().GetDataBag()["step"] = "create_password";
TelnetServer.SendMessageToClient(telnetClient, "\r\n"
+ "Password: "******"step"] == "create_password")
{
var createAccountResponse = telnetClient.GetTerminal().SendToApi(new AccountCreateAccountRequest()
{
Email = telnetClient.GetTerminal().GetDataBag()["create_email"],
Password = message
});
if (createAccountResponse.IsSuccess())
{
telnetClient.GetTerminal().SubscribeMessageToTerminal(MessageFromTerminal);
Clients[telnetClient.GetTerminal().GetId()] = telnetClient;
telnetClient.GetTerminal().GetDataBag()["step"] = "authenticated";
TelnetServer.SendMessageToClient(telnetClient, "\r\n"
+ "Hello " + telnetClient.GetTerminal().GetDataBag()["create_name"] + "\r\n\r\n"
+ "Account> ");
}
else
{
TelnetServer.SendMessageToClient(telnetClient, "\r\n"
+ "Unable to create account (but I still like you).\r\n\r\n"
+ "Welcome> ");
}
}
}
/// <summary>
/// Handle Message From client when associated terminal is in attached status (playing!)
/// </summary>
/// <param name="telnetClient"></param>
/// <param name="message"></param>
private void MFCTerminalAttached(TelnetClient telnetClient, string message)
{
string firstWord = message.Split(' ').First();
switch (firstWord)
{
case "admin":
var words = message.Split(' ');
if (message == "admin item graph")
{
MFCAdminItemTree(telnetClient, message);
}
if (words[1] == "item" && words[2] == "json" && words[3] == "update")
{
var json = message.Remove(0, message.IndexOf('{'));
MFCAdminItemJsonUpdate(telnetClient, words[4], json);
}
if (words[1] == "item" && words[2] == "json" && words[3] == "read")
{
MFCAdminItemJsonRead(telnetClient, words[4]);
}
break;
case "bye":
case "q":
case "exit":
TelnetServer.SendMessageToClient(telnetClient, "\r\n\r\nCya...\r\n");
TelnetServer.KickClient(telnetClient);
break;
case "look":
var response = telnetClient.GetTerminal().SendToApi(new WorldReadLocationSummaryRequest()
{
});
telnetClient.GetTerminal().SendToClientAsync(response);
break;
case "go":
MFCGo(telnetClient, message);
break;
case "smile":
case "frown":
MFCEmote(telnetClient, message);
break;
case "help":
TelnetServer.SendMessageToClient(telnetClient, "\r\n\r\n" +
" - Admin item graph\r\n" +
" - Admin item json update {guid} {json}\r\n" +
" - Admin item json read {guid}\r\n" +
" - Look\r\n" +
" - Bye\r\n" +
" - Go {exit name, or partial exit name}\r\n" +
" - Smile\r\n" +
" - Frown\r\n\r\n> ");
break;
default:
TelnetServer.SendMessageToClient(telnetClient, "\r\nBad command. Try \"help\"\r\n> ");
break;
}
}