/*
* Copyright 2000-2001,2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jetspeed.services.security;
import java.util.Date;
/**
* A User's statistics for logon attempts.
*
*
* @author <a href="mailto:david@bluesunrise.com">David Sean Taylor</a>
* @version $Id: UserLogonStats.java,v 1.2 2004/02/23 03:58:11 jford Exp $
*/
public class UserLogonStats
{
private int failures = 0;
private int total = 0;
private long firstLogon = 0;
private final String username;
private boolean disabled = false;
private Object sem;
UserLogonStats(String username)
{
this.username = username;
sem = new Object();
}
public int getFailures()
{
return failures;
}
public int getTotalFailures()
{
return total;
}
public long getFirstLogon()
{
return firstLogon;
}
public String getUserName()
{
return username;
}
public boolean failCheck(int allowed, long secondsAllowed, int max)
{
synchronized(sem)
{
if (disabled)
return true;
failures = failures + 1;
total = total + 1;
if (total >= max)
{
reset();
disabled = true;
return true;
}
long msAllowed = secondsAllowed * 1000;
long now = new Date().getTime();
if (firstLogon == 0)
firstLogon = now;
long diff = now - firstLogon;
if (diff > msAllowed)
reset();
if (failures >= allowed)
{
reset();
disabled = true;
return true;
}
return false;
}
}
public void reset()
{
synchronized(sem)
{
failures = 0;
Date now = new Date();
firstLogon = now.getTime();
disabled = false;
}
}
}