public static TimeSpan?OnFailed(string ip)
{
TimeSpan?ts = null;
IPLock iplock;
lock (locker)
{
if (!iplocks.TryGetValue(ip, out iplock))
{
iplock = new IPLock(ip);
iplocks[ip] = iplock;
}
if (++iplock.Attempts >= MaxAttempts) // only ban after MaxAttempts has been exceeded (default 3)
{
++iplock.BanTimes;
// this will multiply the time every repeated attempt to login up to UpperBanLimit times
// by default the max ban time is 5 * 15 =
var timeMultiplier = Math.Min(UpperBanLimit, (iplock.Attempts - MaxAttempts) + 1);
iplock.BanExpireDate = DateTime.UtcNow.AddMinutes(5 * timeMultiplier);
ts = iplock.BanExpireDate - DateTime.UtcNow;
}
}
return(ts);
}
protected override void OnClientConnected(Client client)
{
if (IPLock.IsLocked(client.IP))
{
client.Disconnect();
return; // client.Tag is null so there is no OnClientDisconnected code running for it
}
client.Tag = new UserClient(client);
Logger.Log(LogType.Debug, "[{0}-{1}] Client connected", client.IP, client.SocketHandle.ToInt32());
}
void OnLogin(UserClient client, string data)
{
string server_keydata = string.Empty;
if (!ServerConfiguration.GetValue("keydata", out server_keydata))
{
client.Disconnect("Server keydata is missing...");
return;
}
if (data.Length != server_keydata.Length ||
string.Compare(data, server_keydata) != 0)
{
IPLock.AddLock(client.NetworkClient.IP);
client.Disconnect("Client keydata is invalid");
return;
}
client.IsAuthorized = true;
client.NetworkClient.Send("logedin\n");
Logger.Log(LogType.Debug, "{0} successfully authorized.", client.NetworkClient.IP);
// send hosts list and shit
var sb = new StringBuilder();
sb.Append("hosts ");
int i = 0;
HostsDatabase.Lock();
foreach (var host in HostsDatabase.Hosts)
{
if (i++ > 0)
{
sb.Append('|');
}
sb.AppendFormat(
"{0}/{1}/{2}/{3}",
host.Name.Escape(EscapeLanguage.Xml),
host.IP.Escape(EscapeLanguage.Xml),
host.Description.Escape(EscapeLanguage.Xml),
host.Hidden ? "1" : "0");
}
HostsDatabase.Unlock();
sb.Append('\n');
client.NetworkClient.Send(sb.ToString()); // host list
}
public void SetUp()
{
_ipValidator = new Mock <IIPValidator>();
_browser = new Browser(config =>
{
config.Module <TestModule>();
config.RequestStartup((container, pipelines, ctx) =>
{
IPLock.Enable(pipelines, new IPLockConfiguration
{
IPValidator = _ipValidator.Object
});
});
});
}
