public XmlRpcBasicDOSProtector(XmlRpcMethod normalMethod, XmlRpcMethod throttledMethod,BasicDosProtectorOptions options)
{
_normalMethod = normalMethod;
_throttledMethod = throttledMethod;
_options = options;
_dosProtector = new BasicDOSProtector(_options);
}
public BasicDOSProtector(BasicDosProtectorOptions options)
{
_generalRequestTimes = new CircularBuffer <int>(options.MaxRequestsInTimeframe + 1, true);
_generalRequestTimes.Put(0);
_options = options;
_deeperInspection = new Dictionary <string, CircularBuffer <int> >();
_tempBlocked = new Dictionary <string, int>();
_sessions = new Dictionary <string, int>();
_forgetTimer = new System.Timers.Timer();
_forgetTimer.Elapsed += delegate
{
_forgetTimer.Enabled = false;
List <string> removes = new List <string>();
_blockLockSlim.EnterReadLock();
foreach (string str in _tempBlocked.Keys)
{
if (
Util.EnvironmentTickCountSubtract(Util.EnvironmentTickCount(),
_tempBlocked[str]) > 0)
{
removes.Add(str);
}
}
_blockLockSlim.ExitReadLock();
lock (_deeperInspection)
{
_blockLockSlim.EnterWriteLock();
for (int i = 0; i < removes.Count; i++)
{
_tempBlocked.Remove(removes[i]);
_deeperInspection.Remove(removes[i]);
_sessions.Remove(removes[i]);
}
_blockLockSlim.ExitWriteLock();
}
foreach (string str in removes)
{
m_log.InfoFormat("[{0}] client: {1} is no longer blocked.",
_options.ReportingName, str);
}
_blockLockSlim.EnterReadLock();
if (_tempBlocked.Count > 0)
{
_forgetTimer.Enabled = true;
}
_blockLockSlim.ExitReadLock();
};
_forgetTimer.Interval = _options.ForgetTimeSpan.TotalMilliseconds;
}
public BasicDOSProtector(BasicDosProtectorOptions options)
{
_generalRequestTimes = new CircularBuffer<int>(options.MaxRequestsInTimeframe + 1, true);
_generalRequestTimes.Put(0);
_options = options;
_deeperInspection = new Dictionary<string, CircularBuffer<int>>();
_tempBlocked = new Dictionary<string, int>();
_sessions = new Dictionary<string, int>();
_forgetTimer = new System.Timers.Timer();
_forgetTimer.Elapsed += delegate
{
_forgetTimer.Enabled = false;
List<string> removes = new List<string>();
_blockLockSlim.EnterReadLock();
foreach (string str in _tempBlocked.Keys)
{
if (
Util.EnvironmentTickCountSubtract(Util.EnvironmentTickCount(),
_tempBlocked[str]) > 0)
removes.Add(str);
}
_blockLockSlim.ExitReadLock();
lock (_deeperInspection)
{
_blockLockSlim.EnterWriteLock();
for (int i = 0; i < removes.Count; i++)
{
_tempBlocked.Remove(removes[i]);
_deeperInspection.Remove(removes[i]);
_sessions.Remove(removes[i]);
}
_blockLockSlim.ExitWriteLock();
}
foreach (string str in removes)
{
m_log.InfoFormat("[{0}] client: {1} is no longer blocked.",
_options.ReportingName, str);
}
_blockLockSlim.EnterReadLock();
if (_tempBlocked.Count > 0)
_forgetTimer.Enabled = true;
_blockLockSlim.ExitReadLock();
};
_forgetTimer.Interval = _options.ForgetTimeSpan.TotalMilliseconds;
}
protected BaseStreamHandlerBasicDOSProtector(string httpMethod, string path, string name, string description, BasicDosProtectorOptions options)
: base(httpMethod, path, name, description)
{
_options = options;
_dosProtector = new BasicDOSProtector(_options);
}
protected BaseStreamHandlerBasicDOSProtector(string httpMethod, string path, BasicDosProtectorOptions options) : this(httpMethod, path, null, null, options) {}
private string ReadLocalServiceFromConfig(IConfigSource config)
{
IConfig serverConfig = config.Configs["LoginService"];
if (serverConfig == null)
throw new Exception(String.Format("No section LoginService in config file"));
string loginService = serverConfig.GetString("LocalServiceModule", String.Empty);
if (loginService == string.Empty)
throw new Exception(String.Format("No LocalServiceModule for LoginService in config file"));
m_Proxy = serverConfig.GetBoolean("HasProxy", false);
m_DosProtectionOptions = new BasicDosProtectorOptions();
// Dos Protection Options
m_DosProtectionOptions.AllowXForwardedFor = serverConfig.GetBoolean("DOSAllowXForwardedForHeader", false);
m_DosProtectionOptions.RequestTimeSpan =
TimeSpan.FromMilliseconds(serverConfig.GetInt("DOSRequestTimeFrameMS", 10000));
m_DosProtectionOptions.MaxRequestsInTimeframe = serverConfig.GetInt("DOSMaxRequestsInTimeFrame", 5);
m_DosProtectionOptions.ForgetTimeSpan =
TimeSpan.FromMilliseconds(serverConfig.GetInt("DOSForgiveClientAfterMS", 120000));
m_DosProtectionOptions.ReportingName = "LOGINDOSPROTECTION";
return loginService;
}
