Package alpine.server.filters

Class HpkpFilter

java.lang.Object

alpine.server.filters.HpkpFilter

All Implemented Interfaces:

javax.servlet.Filter

public final class HpkpFilter
extends Object
implements javax.servlet.Filter

Implements HTTP Public Key Pinning (RFC 7469).

This filter is configured via the applications web.xml.

     <init-param>
         <param-name>primaryHash</param-name>
         <param-value>GRAH5Ex+kB4cCQi5gMU82urf+6kEgbVtzfCSkw55AGk=</param-value>
     </init-param>
     <init-param>
         <param-name>backupHash</param-name>
         <param-value>lERGk61FITjzyKHcJ89xpc6aDwtRkOPAU0jdnUqzW2s=</param-value>
     </init-param>
     <init-param>
         <param-name>maxAge</param-name>
         <param-value>31536000</param-value>
     </init-param>
     <init-param>
         <param-name>includeSubdomains</param-name>
         <param-value>true</param-value>
     </init-param>
 

An example implementation in web.xml:

 <filter>
     <filter-name>HpkpFilter</filter-name>
     <filter-class>alpine.filters.HpkpFilter</filter-class>
     <init-param>
         <param-name>primaryHash</param-name>
         <param-value>GRAH5Ex+kB4cCQi5gMU82urf+6kEgbVtzfCSkw55AGk=</param-value>
     </init-param>
     <init-param>
         <param-name>backupHash</param-name>
         <param-value>lERGk61FITjzyKHcJ89xpc6aDwtRkOPAU0jdnUqzW2s=</param-value>
     </init-param>
     <init-param>
         <param-name>maxAge</param-name>
         <param-value>31536000</param-value>
     </init-param>
     <init-param>
         <param-name>includeSubdomains</param-name>
         <param-value>true</param-value>
     </init-param>
 </filter>
 <filter-mapping>
     <filter-name>HpkpFilter</filter-name>
     <url-pattern>/*</url-pattern>
 </filter-mapping>
 

Since:

1.0.0

Author:

Steve Springett

Constructor Summary

Constructors

Constructor	Description
HpkpFilter()

Method Summary

Modifier and Type	Method	Description
void	destroy()
void	doFilter(javax.servlet.ServletRequest req, javax.servlet.ServletResponse resp, javax.servlet.FilterChain chain)
void	init(javax.servlet.FilterConfig filterConfig)

Methods inherited from class java.lang.Object

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

Constructor Details

HpkpFilter

public HpkpFilter()

Method Details

init

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

Specified by:

init in interface javax.servlet.Filter

Throws:

javax.servlet.ServletException

doFilter

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

Specified by:

doFilter in interface javax.servlet.Filter

Throws:

javax.servlet.ServletException

IOException

destroy

public void destroy()

Specified by:

destroy in interface javax.servlet.Filter