static void Client_Read(Server s, Client c, byte[] e)
{
try
{
object[] values = Packer.Deserialize(e);
ClientPacket packet = (ClientPacket)values[0];
if (c.Value.Authenticated)
{
switch (packet)
{
case ClientPacket.Channel:
HandleChannelPacket(c, (byte)values[1]);
break;
case ClientPacket.ChatMessage:
HandleChatPacket(c, (string)values[1]);
break;
}
}
else
{
switch (packet)
{
case ClientPacket.SignIn:
HandleSignInPacket(c, (string)values[1], (string)values[2]);
break;
case ClientPacket.Register:
HandleRegisterPacket(c, (string)values[1], (string)values[2]);
break;
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
c.Disconnect();
}
}
private void Process(object s, SocketAsyncEventArgs e)
{
try {
if (e.SocketError == SocketError.Success) {
Client T = new Client(e.AcceptSocket, Size);
lock (_Clients ){
if (_Clients.Count < MaxConnections) {
_Clients.Add(T);
T.Client_State += (Client x, bool y) => HandleState(x, y);
T.Client_Read += (Client x, byte[] y) => OnClient_Read(x, y);
T.Client_Write += (Client x) => OnClient_Write(x);
if (Client_State != null) {
Client_State(this, T, true);
}
} else {
T.Disconnect();
}
}
e.AcceptSocket = null;
if (!Handle.AcceptAsync(e))
Process(null, e);
} else {
Disconnect();
}
} catch {
Disconnect();
}
}
static void HandleRegisterPacket(Client c, string name, string pass)
{
if (name.Length == 0 || name.Length > 16 || pass.Length != 40)
{
c.Disconnect();
return;
}
MySqlCommand q = new MySqlCommand(string.Empty, SQL);
q.CommandText = "INSERT INTO users VALUES (@Username,@Password);";
q.Parameters.AddWithValue("@Username", name);
q.Parameters.AddWithValue("@Password", pass);
bool success = (q.ExecuteNonQuery() != 0);
byte[] data = Packer.Serialize((byte)ServerPacket.Register, success);
c.Send(data);
}
//TODO: Don't disconnect people, instead return an error code.
static void HandleSignInPacket(Client c, string name, string pass)
{
if (name.Length == 0 || name.Length > 16 || pass.Length != 40)
{
c.Disconnect();
return;
}
//Don't let them join if they were banned.
GetBanList();
if (BanList.Contains(name.ToLower(), StringComparer.OrdinalIgnoreCase))
{
c.Disconnect();
return;
}
MySqlCommand q = new MySqlCommand(string.Empty, SQL);
q.CommandText = "SELECT Count(*) FROM users WHERE Username=@Username AND Password=@Password;";
q.Parameters.AddWithValue("@Username", name);
q.Parameters.AddWithValue("@Password", pass);
MySqlDataReader r = q.ExecuteReader();
bool success = r.Read() && (r.GetInt16("Count(*)") != 0);
r.Close();
byte[] data = Packer.Serialize((byte)ServerPacket.SignIn, success);
c.Send(data);
if (success)
{
//If this user is already logged in from somewhere else then disconnect them.
Client existing = ClientFromUsername(name);
if (existing != null)
{
existing.Disconnect();
}
c.Value.UserID = RunningID++;
c.Value.Username = name;
c.Value.Authenticated = true;
SendLoginBarrage(c);
}
}
//TODO: Don't disconnect people, instead return an error code.
static void HandleSignInPacket(Client c, string name, string pass)
{
string n = name.Trim();
if (n.Length == 0 || n.Length > 16 || pass.Length != 40 || !IsValidName(n))
{
byte[] fail = Packer.Serialize((byte)ServerPacket.SignIn, false, false);
c.Send(fail);
return;
}
MySqlCommand q = new MySqlCommand("SELECT Points, Username, Rank, Ban, Mute, Email FROM users WHERE (Username=@Username OR Email=@Username) AND Password=@Password;", SQL);
q.Parameters.AddWithValue("@Username", n);
q.Parameters.AddWithValue("@Password", pass);
MySqlDataReader r = q.ExecuteReader();
bool success = r.Read();
if (success)
{
int points = r.GetInt32("Points");
byte rank = r.GetByte("Rank");
bool ban = r.GetBoolean("Ban");
string email = r.GetString("Email");
string username = r.GetString("Username");
r.Close(); //TODO: Restructure this.
r.Dispose();
if (ban)
{
c.Disconnect();
return;
}
//Second ban check, checks ip table.
q = new MySqlCommand(string.Empty, SQL) {CommandText = "SELECT * FROM ipbans WHERE ip=@ip;"};
q.Parameters.AddWithValue("@ip", c.EndPoint.Address.ToString());
r = q.ExecuteReader();
bool sCheck = r.Read();
r.Close();
if (sCheck)
{
c.Disconnect();
return;
}
q = new MySqlCommand("SELECT * FROM authcodes WHERE User=@User;", SQL);
q.Parameters.AddWithValue("@User", username);
r = q.ExecuteReader();
//Pending email verification
bool unverified = r.Read() && r.GetByte("AuthType") == (byte)AuthType.AccountVerification;
r.Close();
if (unverified)
{
byte[] notVerified = Packer.Serialize((byte)ServerPacket.NotVerified);
c.Send(notVerified);
}
byte[] data = Packer.Serialize((byte)ServerPacket.SignIn, true, !unverified);
c.Send(data);
//If this user is already logged in from somewhere else then disconnect them.
Client existing = ClientFromUsername(n);
if (existing != null && existing != c)
{
existing.Disconnect();
}
c.Value.UserId = RunningID++;
c.Value.Username = username;
c.Value.Points = points;
c.Value.Rank = rank;
c.Value.Mute = new List<Client>();
c.Value.LastPayout = DateTime.Now;
c.Value.LastAction = DateTime.Now;
c.Value.Email = email;
c.Value.Authenticated = true;
c.Value.Verified = !unverified;
if (!unverified)
{
SendProfile(c);
SendLoginBarrage(c);
}
}
else
{
r.Close();//TODO: Restructure this.
byte[] data1 = Packer.Serialize((byte)ServerPacket.SignIn, false, false);
c.Send(data1);
}
}
static void HandleChannelPacket(Client c, byte channel)
{
if (channel < Channels.Length)
{
byte oldChannel = c.Value.Channel;
c.Value.Channel = channel;
SendUserListUpdates(c, oldChannel);
}
else
{
c.Disconnect();
return;
}
}
static void HandlePMPacket(Client c, string recipient, string message, string subject, ushort id = default(ushort))
{
if (!(IsValidName(recipient) && IsValidData(message) && IsValidData(subject)))
{
c.Disconnect();
return;
}
Client u = ClientFromUsername(recipient);
if (u == null)
return;
PrivateMessage pm = null;
if (id == default(ushort) && !privateMessages.Exists(x => x.Id == id))
{
pm = new PrivateMessage(id = (ushort)_random.Next(ushort.MinValue, ushort.MaxValue), subject, c.Value.Username, DateTime.Now, message);
privateMessages.Add(pm);
byte[] confirm = Packer.Serialize((byte)ServerPacket.PMConfirm, id, u.Value.Username, message, subject, DateTime.Now);
c.Send(confirm);
}
else
{
pm = privateMessages.Find(x => x.Id == id);
pm.Message.Add(message);
}
byte[] data = Packer.Serialize((byte)ServerPacket.PM, id, c.Value.Username, u.Value.Username, message, subject, DateTime.Now);
u.Send(data);
}
static void HandleChatPacket(Client c, string message)
{
if (!IsValidData(message))
{
c.Disconnect();
return;
}
if (CheckCommand(c, message))
{
//byte[] confirmCommand = Packer.Serialize((byte)ServerPacket.)
return;
}
c.Value.AddPoints(5); //AWARD 5 POINTS FOR ACTIVITY***
if (RecentMessages.Count == 10)
RecentMessages.RemoveAt(0);
ChatMessage msg = new ChatMessage(DateTime.Now.ToLocalTime().ToString(), message, c.Value.Username, c.Value.Rank);
RecentMessages.Add(msg);
byte[] data = Packer.Serialize((byte)ServerPacket.Chatter, c.Value.UserId, message);
BroadcastExclusive(c.Value.UserId, c.Value.Channel, data, c);
}
static void HandleChannelPacket(Client c, byte channel)
{
if (channel < Channels.Length)
{
//Let everyone in the old channel know this guy left.
byte[] data = Packer.Serialize((byte)ServerPacket.UserLeave, c.Value.UserId);
Broadcast(c.Value.Channel, data);
c.Value.Channel = channel;
SendUserListUpdates(c);
}
else
{
c.Disconnect();
return;
}
}
static void ClientRead(Server s, Client c, byte[] e)
{
try
{
//Anti-flood measures.
if (c.Value.IsFlooding())
{
c.Disconnect();
return;
}
object[] values = Packer.Deserialize(e);
if (values == null)
return;
ClientPacket packet = (ClientPacket)values[0];
if (c.Value.Authenticated && c.Value.Verified)
{
switch (packet)
{
case ClientPacket.Channel:
HandleWakeup(c, true); //Supress the packet send here since we are changing rooms anyways.
HandleChannelPacket(c, (byte)values[1]);
break;
case ClientPacket.ChatMessage:
HandleWakeup(c);
HandleChatPacket(c, (string)values[1]);
break;
case ClientPacket.PM:
HandleWakeup(c);
HandlePMPacket(c, (string)values[1], (string)values[2], (string)values[3], values.Length == 5 ? (ushort)values[4] : default(ushort));
break;
case ClientPacket.KeepAlive:
HandleKeepAlivePacket(c);
break;
case ClientPacket.News:
HandleNewsPacket(c);
break;
case ClientPacket.ViewProfile:
HandleViewProfilePacket(c, (string)values[1]);
break;
case ClientPacket.EditProfile:
HandleEditProfilePacket(c, (string)values[1], (string)values[2], (string)values[3]);
break;
case ClientPacket.AuthCode:
HandleAuthCodePacket(c, (string) values[1]);
break;
}
}
else
{
switch (packet)
{
case ClientPacket.SignIn:
HandleSignInPacket(c, (string)values[1], (string)values[2]);
break;
case ClientPacket.Register:
HandleRegisterPacket(c, (string)values[1], (string)values[2], (string)values[3]);
break;
case ClientPacket.ResendVerification:
HandleResendVerificationPacket(c);
break;
case ClientPacket.AuthCode:
HandleAuthCodePacket(c, (string) values[1]);
break;
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
c.Disconnect();
}
}
private void Process(object s, SocketAsyncEventArgs e)
{
try
{
if (e.SocketError == SocketError.Success)
{
Client T = new Client(e.AcceptSocket, Size);
lock (_Clients)
{
if (_Clients.Count <= MaxConnections)
{
_Clients.Add(T);
T.Client_State += HandleState;
T.Client_Read += OnClient_Read;
T.Client_Write += OnClient_Write;
OnClient_State(T, true);
}
else
{
T.Disconnect();
}
}
e.AcceptSocket = null;
if (!Handle.AcceptAsync(e))
Process(null, e);
}
else
{
Disconnect();
}
}
catch
{
Disconnect();
}
}
