protected virtual bool CheckCounters(AresClient user, IPacket packet)
{
var rules = flood_rules.FindAll((s) => s.Id == packet.Id);
foreach (var rule in rules)
{
FloodCounter counter = null;
DateTime now = TimeBank.CurrentTime;
if (!user.Counters.ContainsKey(packet.Id))
{
counter = new FloodCounter(0, now);
user.Counters.Add(packet.Id, counter);
}
else
{
counter = user.Counters[packet.Id];
if (now.Subtract(counter.Last).TotalMilliseconds > rule.ResetTimeout)
{
counter.Count = 0;
}
}
if (++counter.Count >= rule.Count)
{
stats.FloodsTriggered++;
if (!plugins.OnFlood(user, packet))
{
return(false);
}
}
else
{
counter.Last = now;
}
}
return(true);
}
protected virtual void ClientDisconnected(object sender, DisconnectEventArgs e)
{
AresClient user = null;
var socket = sender as ISocket;
if (socket == null)
{
return;
}
lock (pending)
pending.RemoveAll((s) => s.Equals(socket));
lock (users.SyncRoot) {
int uindex = users.FindIndex(s => s.Socket == sender);
if (uindex == -1)
{
return;
}
user = (AresClient)users[uindex];
users.RemoveAt(uindex);
}
if (user.LoggedIn)
{
history.Add(user);
SendPacket((s) =>
!s.Guid.Equals(user.Guid) && //ghost?
s.Vroom == user.Vroom,
new Parted(user.Name));
}
plugins.OnPart(user, e.UserToken);
idpool.Push(user.Id);
user.Dispose();
}
protected virtual void ClientException(object sender, ExceptionEventArgs e)
{
AresClient user = null;
lock (users.SyncRoot)
user = users.Find(s => s.Socket == sender);
if (user == null)
{
return;
}
Logging.WriteLines(new[] {
"----------",
string.Format("Exception occured in client: {0}", user.Name),
string.Format("Message: {0}", e.Exception.Message),
e.Exception.StackTrace,
"----------"
});
user.Disconnect();
}
public static int Create(AresClient client)
{
Random r = new Random();
int total = 40;
int top = r.Next(1, 10);
int emote = r.Next(0, emoticons.Length);
int count = r.Next(5, 12);
string tag = emoticons[emote];
string name = names[emote];
string noun = nouns[r.Next(0, nouns.Length)];
string end = ends[r.Next(0, ends.Length)];
string question = String.Format("How many {0} {1} {2}?", name, noun, end);
int[] random = new int[count];
List <string> captcha = new List <string>();
for (int i = 0; i < count; i++)
{
int index = r.Next(0, total);
while (random.Contains(index))
{
index = r.Next(0, total);
}
random[i] = index;
}
client.SendPacket(new Announce("Welcome to the room " + client.Name));
client.SendPacket(new Announce("Please answer the following question:"));
if (top < 5)
{
client.SendPacket(new Announce(""));
client.SendPacket(new Announce(question));
}
client.SendPacket(new Announce(""));
StringBuilder sb = new StringBuilder();
int current = 0;
for (int i = 0; i < total; i++)
{
if (random.Contains(i))
{
sb.Append(emoticons[emote]);
}
else
{
int decoy = r.Next(0, emoticons.Length);
while (decoy == emote)
{
decoy = r.Next(0, emoticons.Length);
}
sb.Append(emoticons[decoy]);
}
sb.Append(" ");
if (++current >= 8)
{
client.SendPacket(new Announce(sb.ToString()));
sb.Clear();
current = 0;
}
}
if (current > 0)
{
client.SendPacket(new Announce(sb.ToString()));
}
if (top >= 5)
{
client.SendPacket(new Announce(""));
client.SendPacket(new Announce(question));
}
return(count);
}
protected virtual void ClientPacketReceived(object sender, PacketEventArgs e)
{
stats.PacketsReceived++;
stats.AddInput(e.Transferred);
var socket = sender as ISocket;
if (socket == null)
{
return;
}
AresClient user = null;
lock (users.SyncRoot)
user = users.Find(s => s.Socket == socket);
if (user == null)
{
if ((AresId)e.Packet.Id == AresId.MSG_CHAT_CLIENT_LOGIN)
{
if (HandlePending(socket))
{
int id = idpool.Pop();
user = new AresClient(this, socket, (ushort)id);
if (user.ExternalIp.IsLocal() || user.ExternalIp.Equals(ExternalIp))
{
user.LocalHost = true;
}
lock (users.SyncRoot) {
users.Add(user);
users.Sort(sorter);
stats.PeakUsers = Math.Max(users.Count, stats.PeakUsers);
}
user.HandleJoin(e);
}
else
{
socket.Disconnect();
}
}
}
else if ((AresId)e.Packet.Id == AresId.MSG_CHAT_CLIENT_LOGIN)
{
//sending too many login packets
SendAnnounce(user, Errors.LoginFlood);
user.Disconnect();
}
else if (user.LoggedIn && CheckCounters(user, e.Packet))
{
user.LastUpdate = TimeBank.CurrentTime;
if (!user.HandlePacket(e) && plugins.OnBeforePacket(user, e.Packet))
{
user.HandleOverridePacket(e);
plugins.OnAfterPacket(user, e.Packet);
}
}
}
