org.jasig.cas.web.support
Class ThrottledSubmissionByIpAddressHandlerInterceptorAdapter

java.lang.Object
  org.springframework.web.servlet.handler.HandlerInterceptorAdapter
      org.jasig.cas.web.support.ThrottledSubmissionByIpAddressHandlerInterceptorAdapter

All Implemented Interfaces:

org.springframework.beans.factory.InitializingBean, org.springframework.web.servlet.HandlerInterceptor

public final class ThrottledSubmissionByIpAddressHandlerInterceptorAdapter
extends org.springframework.web.servlet.handler.HandlerInterceptorAdapter
implements org.springframework.beans.factory.InitializingBean

Implementation of a HandlerInterceptorAdapter that keeps track of a mapping of IP Addresses to number of failures to authenticate.

Implementation attempts to optimize access by using the last quad in an IP address as a form of poor man's lock.

Since:

3.0.5

Version:

$Revision: 46097 $ $Date: 2009-05-21 15:33:35 -0400 (Thu, 21 May 2009) $

Author:

Scott Battaglia

Nested Class Summary

protected static class

ThrottledSubmissionByIpAddressHandlerInterceptorAdapter.ExpirationThread

Field Summary

protected static java.math.BigInteger

ONE Cache of the starting Integer.

Constructor Summary

ThrottledSubmissionByIpAddressHandlerInterceptorAdapter()

Method Summary

void	afterPropertiesSet()
void	postHandle(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, java.lang.Object handler, org.springframework.web.servlet.ModelAndView modelAndView)
void	setFailureThreshhold(int failureThreshhold)
void	setFailureTimeout(int failureTimeout) Set the timeout for failure in seconds.

Methods inherited from class org.springframework.web.servlet.handler.HandlerInterceptorAdapter

afterCompletion, preHandle

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ONE

protected static final java.math.BigInteger ONE

Cache of the starting Integer.

Constructor Detail

ThrottledSubmissionByIpAddressHandlerInterceptorAdapter

public ThrottledSubmissionByIpAddressHandlerInterceptorAdapter()

Method Detail

postHandle

public void postHandle(javax.servlet.http.HttpServletRequest request,
                       javax.servlet.http.HttpServletResponse response,
                       java.lang.Object handler,
                       org.springframework.web.servlet.ModelAndView modelAndView)
                throws java.lang.Exception

Specified by:

postHandle in interface org.springframework.web.servlet.HandlerInterceptor

Overrides:

postHandle in class org.springframework.web.servlet.handler.HandlerInterceptorAdapter

Throws:

java.lang.Exception

setFailureThreshhold

public void setFailureThreshhold(int failureThreshhold)

setFailureTimeout

public void setFailureTimeout(int failureTimeout)

Set the timeout for failure in seconds.

Parameters:

failureTimeout - the failure timeout

afterPropertiesSet

public void afterPropertiesSet()
                        throws java.lang.Exception

Specified by:

afterPropertiesSet in interface org.springframework.beans.factory.InitializingBean

Throws:

java.lang.Exception