winstone.auth

Class DigestAuthenticationHandler

java.lang.Object

winstone.auth.BaseAuthenticationHandler

winstone.auth.DigestAuthenticationHandler

All Implemented Interfaces:

AuthenticationHandler

public class DigestAuthenticationHandler
extends BaseAuthenticationHandler

Implements the MD5 digest version of authentication

Version:

$Id: DigestAuthenticationHandler.java,v 1.3 2004/05/22 06:53:45 rickknowles Exp $

Author:

Rick Knowles

Field Summary

Fields inherited from class winstone.auth.BaseAuthenticationHandler

AUTH_RESOURCES, constraints, realm, realmName

Constructor Summary

Constructors

Constructor and Description
DigestAuthenticationHandler(Node loginConfigNode, List constraintNodes, Set rolesAllowed, AuthenticationRealm realm)

Method Summary

Methods

Modifier and Type	Method and Description
String	md5Encode(String input) Returns a hex encoded MD5 digested version of the input string
protected void	requestAuthentication(HttpServletRequest request, HttpServletResponse response, String pathRequested) Call this once we know that we need to authenticate
protected boolean	validatePossibleAuthenticationResponse(HttpServletRequest request, HttpServletResponse response, String pathRequested) Handling the (possible) response

Methods inherited from class winstone.auth.BaseAuthenticationHandler

doRoleCheck, processAuthentication, setNoCache

Methods inherited from class java.lang.Object

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

Constructor Detail

DigestAuthenticationHandler

public DigestAuthenticationHandler(Node loginConfigNode,
                           List constraintNodes,
                           Set rolesAllowed,
                           AuthenticationRealm realm)
                            throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

Method Detail

requestAuthentication

protected void requestAuthentication(HttpServletRequest request,
                         HttpServletResponse response,
                         String pathRequested)
                              throws IOException

Call this once we know that we need to authenticate

Specified by:

requestAuthentication in class BaseAuthenticationHandler

Throws:

IOException

validatePossibleAuthenticationResponse

protected boolean validatePossibleAuthenticationResponse(HttpServletRequest request,
                                             HttpServletResponse response,
                                             String pathRequested)
                                                  throws IOException

Handling the (possible) response

Specified by:

validatePossibleAuthenticationResponse in class BaseAuthenticationHandler

Returns:

True if the request should continue, or false if we have intercepted it

Throws:

IOException

md5Encode

public String md5Encode(String input)
                 throws UnsupportedEncodingException

Returns a hex encoded MD5 digested version of the input string

Parameters:

input - The string to encode

Returns:

MD5 digested, hex encoded version of the input

Throws:

UnsupportedEncodingException