public void LoginReply(object sender, LoginReplyEventArgs args) { if (lblResult.InvokeRequired) { // Needed for multi-threading cross calls. this.Invoke(new Action <object, LoginReplyEventArgs>(this.LoginReply), new object[] { sender, args }); } else { if (_waitingForLoginReply) { _waitingForLoginReply = false; timer1.Stop(); if (args.Success) { lblResult.Text = "Login successful!"; _loggedInUsername = args.Name; this.Close(); this.DialogResult = System.Windows.Forms.DialogResult.Yes; return; } else { ResetControls(); lblResult.ForeColor = Color.Red; lblResult.Text = args.Message; tbxUsername.ReadOnly = false; tbxPassword.ReadOnly = false; } } } }
private static void OnLoginReply(LoginReplyEventArgs e) { EventHandler <LoginReplyEventArgs> handler = LoginReply; if (handler != null) { handler(null, e); } }
public static void MessageReceivedHandler(object sender, PacketReceivedEventArgs args) { if (args.Data[0] == 0x92) { string sharedSecret; // Position of the Type byte is 30 (SignatureByteLength + MacByteLength + TimezByteLength + UserIdByteLength). ChatTwo_Protocol.MessageType type = (ChatTwo_Protocol.MessageType)args.Data[ChatTwo_Protocol.SignatureByteLength + ByteHelper.HashByteLength + 4 + 4]; // Position of the UserID bytes is 26 (SignatureByteLength + MacByteLength + TimezByteLength) with a length of 4. int senderId = ByteHelper.ToInt32(args.Data, ChatTwo_Protocol.SignatureByteLength + ByteHelper.HashByteLength + 4); if (type == ChatTwo_Protocol.MessageType.CreateUserReply) { sharedSecret = ChatTwo_Protocol.DefaultSharedSecret; } else if (senderId == 0) { sharedSecret = ServerSharedSecret; } else { sharedSecret = _contacts.Find(x => x.ID == senderId).Secret; // Testing!!!! REMOVE THIS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! sharedSecret = ChatTwo_Protocol.DefaultSharedSecret; } if (ChatTwo_Protocol.ValidateMac(args.Data, sharedSecret)) { Message message = ChatTwo_Protocol.MessageReceivedHandler(args); switch (message.Type) { case ChatTwo_Protocol.MessageType.CreateUserReply: { // Fire an OnCreateUserReply event. CreateUserReplyEventArgs argsCreateUser = new CreateUserReplyEventArgs(); argsCreateUser.Success = message.Data[0] == 0x00; switch (message.Data[0]) { case 0: // Success. break; case 1: // Username already exist. argsCreateUser.Message = "A user already exist with that name."; break; case 2: argsCreateUser.Message = "Username is too short or too long."; break; } OnCreateUserReply(argsCreateUser); break; } case ChatTwo_Protocol.MessageType.LoginReply: { // Fire an OnLoginReply event. LoginReplyEventArgs argsLogin = new LoginReplyEventArgs(); argsLogin.Success = message.Data[0] == 0x00; switch (message.Data[0]) { case 0: // Success. int userId = ByteHelper.ToInt32(message.Data, 1); string username = Encoding.Unicode.GetString(ByteHelper.SubArray(message.Data, 5)); LogIn(userId); _user.Name = username; argsLogin.Name = username; break; case 1: // Wrong password. argsLogin.Message = "Wrong username or password."; break; case 2: // Already online. argsLogin.Message = "That user is already online."; break; } OnLoginReply(argsLogin); break; } case ChatTwo_Protocol.MessageType.ContactRequestReply: { // Fire an OnAddContactReply event. AddContactReplyEventArgs argsAddContact = new AddContactReplyEventArgs(); argsAddContact.Success = message.Data[0] == 0x00; switch (message.Data[0]) { case 0: // Success. break; case 1: // No user with that name. argsAddContact.Message = "No user with that name."; break; case 2: // You can't add your self. argsAddContact.Message = "You can't add your self."; break; case 3: // User is already a contact. argsAddContact.Message = "User is already a contact."; break; } OnAddContactReply(argsAddContact); break; } case ChatTwo_Protocol.MessageType.ContactStatus: { int contactId = ByteHelper.ToInt32(message.Data, 0); int nameLength = ((31 & message.Data[4]) * 2); ContactObj contact; if (_contacts.Any(x => x.ID == contactId)) { contact = _contacts.Find(x => x.ID == contactId); } else { contact = new ContactObj(); contact.ID = contactId; contact.Name = Encoding.Unicode.GetString(message.Data, 5, nameLength); _contacts.Add(contact); } contact.Online = ByteHelper.CheckBitCodeIndex(message.Data[4], 7); contact.RelationshipTo = ByteHelper.CheckBitCodeIndex(message.Data[4], 6); contact.RelationshipFrom = ByteHelper.CheckBitCodeIndex(message.Data[4], 5); if (contact.Online) { int port = ByteHelper.ToInt32(message.Data, 5 + nameLength); contact.Socket = new IPEndPoint(new IPAddress(ByteHelper.SubArray(message.Data, 5 + nameLength + 4)), port); } // Fire an OnContactUpdate event. OnContactUpdate(); break; } case ChatTwo_Protocol.MessageType.Message: { ContactObj contact; if (_contacts.Any(x => x.ID == message.From && x.RelationshipTo && x.RelationshipFrom)) { contact = _contacts.Find(x => x.ID == message.From); OpenChat(contact.ID); message.Text = Encoding.Unicode.GetString(message.Data); contact.ChatWindow.ReceiveMessage(message.Text); } else #if DEBUG { throw new NotImplementedException("You received a message from someone that isn't your contact?"); } #else { return; } #endif break; } } } #if DEBUG else { throw new NotImplementedException("Could not validate the MAC of received message."); } // Need to add a simple debug message here, but this works as a great breakpoint until then. #endif } #if DEBUG else { throw new NotImplementedException("Could not validate the signature of the received message. The signature was \"0x" + args.Data[0] + "\" but only \"0x92\" is allowed."); } // Need to add a simple debug message here, but this works as a great breakpoint until then. #endif }