Package filter

Class CookieSameSiteFilter

java.lang.Object

filter.CookieSameSiteFilter

All Implemented Interfaces:

javax.servlet.Filter

public class CookieSameSiteFilter
extends Object
implements javax.servlet.Filter

Filter adds same site attribute Prevents CSRF attacks by controlling the cookies which are sent with cross-site requests

Author:

TAMIL MUGHILAN

Constructor Summary

Constructors

Constructor	Description
CookieSameSiteFilter()

Method Summary

Modifier and Type	Method	Description
void	destroy()	Cleans up resources when filter is destroyed.
void	doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain)	Processes responses to add SameSite attribute to all cookies.
void	init(javax.servlet.FilterConfig filterConfig)	Initializes the filter when application starts.

Methods inherited from class java.lang.Object

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

Constructor Details

CookieSameSiteFilter

public CookieSameSiteFilter()

Method Details

doFilter

public void doFilter(javax.servlet.ServletRequest request,
 javax.servlet.ServletResponse response,
 javax.servlet.FilterChain chain)
              throws IOException,
javax.servlet.ServletException

Processes responses to add SameSite attribute to all cookies. Wraps response to modify cookie headers before sending to client.

Specified by:

doFilter in interface javax.servlet.Filter

Parameters:

request - the servlet request

response - the servlet response

chain - the filter chain

Throws:

IOException - if an I/O error occurs

javax.servlet.ServletException - if a servlet error occurs

init

public void init(javax.servlet.FilterConfig filterConfig)
          throws javax.servlet.ServletException

Initializes the filter when application starts.

Specified by:

init in interface javax.servlet.Filter

Parameters:

filterConfig - the filter configuration

Throws:

javax.servlet.ServletException

destroy

public void destroy()

Cleans up resources when filter is destroyed.

Specified by:

destroy in interface javax.servlet.Filter