private void ForwardMessageToAllUsers(string message)
{
lock (usersLocker)
{
string[] messageArray = message.Split('-');
if (messageArray.Length == 3)
{
bool verifiedMessage = false;
for (int i = 0; i < this.users.Count; i++)
{
if (this.users[i].Username == messageArray[0] && this.users[i].SessionKey == messageArray[2])
{
verifiedMessage = true;
break;
}
}
if (verifiedMessage == true)
{
for (int i = 0; i < this.users.Count; i++)
{
this.users[i].NetworkWatcher.Send(ProtocolCreator.NewMessage(messageArray[0] + ": " + messageArray[1]));
}
}
}
}
}
private void IsAliveWorker()
{
while (this.isReading == true)
{
this.Send(ProtocolCreator.IsAlive());
Thread.Sleep(2000);
}
}
private void AddUser(string username, NetworkWatcher networkWatcher)
{
lock (usersLocker)
{
if (CheckIfLegalUsername(username) == true)
{
// Sends session key to client
Protocol protocol = ProtocolCreator.SessionKey();
this.CreateNewUser(username, Encoding.UTF8.GetString(protocol.Content), networkWatcher);
networkWatcher.Send(protocol);
}
}
}
public void ForwardMessagesToAllClients()
{
while (true)
{
if (client.Connected == true)
{
NetworkStream clientStream = client.GetStream();
if (clientStream.DataAvailable == false)
{
Thread.Sleep(100);
continue;
}
string messageProtocol = NetworkManager.ReadMessage(client, 302);
char[] mesageProtocolArray = messageProtocol.ToCharArray();
if (messageProtocol[0] == 'C' && messageProtocol[1] == 'H' && messageProtocol[2] == 'A' && messageProtocol[3] == 'T' && messageProtocol[4] == 'M' && messageProtocol[5] == 'E')
{
string messageString = string.Empty;
for (int i = 6; i < mesageProtocolArray.Length; i++)
{
messageString = messageString + mesageProtocolArray[i];
}
string[] messageProtocolContent = messageString.Split('-');
Protocol message = ProtocolCreator.PublishMessage(messageProtocolContent[0], GetUserGroup(messageProtocolContent[0]), messageProtocolContent[1]);
foreach (User user in userAccountManager.OnlineUser)
{
NetworkManager.SendMessage(message, user.Client);
}
}
Thread.Sleep(100);
}
else
{
break;
}
}
}
public void VerifyUserLogin(string username, string password, TcpClient client, string userPath)
{
string path = userPath + @"\" + username + ".txt";
if (File.Exists(path) == false)
{
Protocol loginInvalid = ProtocolCreator.LoginInvalid();
NetworkManager.SendMessage(loginInvalid, client);
}
else if (File.Exists(path) == true)
{
if (VerifyUserData(username, password, path) == true)
{
Protocol loginOK = ProtocolCreator.LoginOk();
NetworkManager.SendMessage(loginOK, client);
string protocolString = loginOK.ToString();
char[] protocolStringArray = protocolString.ToCharArray();
string sessionKey = string.Empty;
if (protocolStringArray[0] == 'C' && protocolStringArray[1] == 'H' && protocolStringArray[2] == 'A' && protocolStringArray[3] == 'T' && protocolStringArray[4] == 'L' && protocolStringArray[5] == 'O')
{
for (int i = 6; i < protocolStringArray.Length; i++)
{
sessionKey = sessionKey + protocolStringArray[i];
}
this.OnlineUser.Add(new User(username, client, sessionKey));
Console.WriteLine("{0} ({1}) has logged in!", username, ((IPEndPoint)client.Client.RemoteEndPoint).Address.ToString());
MessageManager messageManager = new MessageManager(this, client);
messageManager.ForwardMessagesToAllClients();
}
}
else
{
Protocol loginInvalid = ProtocolCreator.LoginInvalid();
NetworkManager.SendMessage(loginInvalid, client);
}
}
}
private void RemoveUser(string username, string sessionkey)
{
lock (usersLocker)
{
// Verifys session key of the logout request
bool legitSessionKey = false;
for (int i = 0; i < this.users.Count; i++)
{
if (this.users[i].Username == username && this.users[i].SessionKey == sessionkey)
{
legitSessionKey = true;
break;
}
}
if (legitSessionKey == true)
{
for (int i = 0; i < this.users.Count; i++)
{
if (this.users[i].Username == username)
{
this.AddLineToLog(username + " (" + ((IPEndPoint)this.users[i].NetworkWatcher.Client.Client.RemoteEndPoint).Address.ToString() + ")" + " logged out!");
this.users[i].NetworkWatcher.Stop();
this.users.Remove(this.users[i]);
break;
}
}
}
// Sends all users the user who logged out
for (int i = 0; i < this.users.Count; i++)
{
this.users[i].NetworkWatcher.Send(ProtocolCreator.RemoveUser(username));
this.users[i].NetworkWatcher.Send(ProtocolCreator.NewMessage("SERVER: " + username + " logged out!"));
}
}
}
private void FinishUserLogin(string username, string sessionkey)
{
lock (usersLocker)
{
NetworkWatcher networkWatcher = null;
// Gets the networkWatcher of the new user
for (int i = 0; i < this.users.Count; i++)
{
if (this.users[i].Username == username && this.users[i].SessionKey == sessionkey)
{
networkWatcher = this.users[i].NetworkWatcher;
}
}
if (networkWatcher != null)
{
// Sends the new user all online users
for (int i = 0; i < this.users.Count; i++)
{
if (this.users[i].Username != username)
{
networkWatcher.Send(ProtocolCreator.AddUser(this.users[i].Username));
}
}
// Sends all users the user who logged in
for (int i = 0; i < this.users.Count; i++)
{
this.users[i].NetworkWatcher.Send(ProtocolCreator.AddUser(username));
this.users[i].NetworkWatcher.Send(ProtocolCreator.NewMessage("SERVER: " + username + " logged in!"));
}
this.AddLineToLog(username + " (" + ((IPEndPoint)networkWatcher.Client.Client.RemoteEndPoint).Address.ToString() + ")" + " logged in!");
}
}
}
public static void CreateNewUser(string username, string password, TcpClient client, string userPath)
{
string path = userPath + @"\" + username + ".txt";
if (File.Exists(path) == true)
{
Protocol registrationInvalid = ProtocolCreator.RegistrationInvalid();
NetworkManager.SendMessage(registrationInvalid, client);
}
else
{
if (CheckIfLegalUserData(username, password) == false)
{
Protocol registrationInvalid = ProtocolCreator.RegistrationInvalid();
NetworkManager.SendMessage(registrationInvalid, client);
}
else
{
string[] userFile = new string[3];
userFile[0] = "Username: "******"Password: "******"User Group: User";
File.WriteAllLines(path, userFile);
Protocol registrationOk = ProtocolCreator.RegistrationOk();
NetworkManager.SendMessage(registrationOk, client);
Console.WriteLine("{0} ({1}) has registered!", username, ((IPEndPoint)client.Client.RemoteEndPoint).Address.ToString());
}
}
}
