edu.vt.middleware.ldap.auth.handler
Class CompareAuthenticationHandler

java.lang.Object
  edu.vt.middleware.ldap.auth.handler.AbstractAuthenticationHandler
      edu.vt.middleware.ldap.auth.handler.CompareAuthenticationHandler

All Implemented Interfaces:

AuthenticationHandler

public class CompareAuthenticationHandler
extends AbstractAuthenticationHandler

CompareAuthenticationHandler provides an LDAP authentication implementation that leverages a compare operation against the userPassword attribute. The default password scheme used is 'SHA'.

Version:

$Revision: 1330 $

Author:

Middleware Services

Field Summary

Fields inherited from class edu.vt.middleware.ldap.auth.handler.AbstractAuthenticationHandler

config, logger

Constructor Summary

CompareAuthenticationHandler()
Default constructor.

CompareAuthenticationHandler(AuthenticatorConfig ac)
Creates a new CompareAuthenticationHandler with the supplied authenticator config.

Method Summary

void	authenticate(ConnectionHandler ch, AuthenticationCriteria ac) Perform an ldap authentication. Implementations should throw AuthenticationException to indicate an authentication failure. The resulting LdapContext can be retrieved from the connection handler if it is needed.
String	getPasswordScheme() Returns the password scheme.
CompareAuthenticationHandler	newInstance() Returns a separate instance of this authentication handler.
void	setPasswordScheme(String s) Sets the password scheme.

Methods inherited from class edu.vt.middleware.ldap.auth.handler.AbstractAuthenticationHandler

setAuthenticatorConfig

Methods inherited from class java.lang.Object

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

Constructor Detail

CompareAuthenticationHandler

public CompareAuthenticationHandler()

Default constructor.

CompareAuthenticationHandler

public CompareAuthenticationHandler(AuthenticatorConfig ac)

Creates a new CompareAuthenticationHandler with the supplied authenticator config.

Parameters:

ac - authenticator config

Method Detail

getPasswordScheme

public String getPasswordScheme()

Returns the password scheme.

Returns:

password scheme

setPasswordScheme

public void setPasswordScheme(String s)

Sets the password scheme. Must equal a known message digest algorithm.

Parameters:

s - password scheme

authenticate

public void authenticate(ConnectionHandler ch,
                         AuthenticationCriteria ac)
                  throws NamingException

Perform an ldap authentication. Implementations should throw AuthenticationException to indicate an authentication failure. The resulting LdapContext can be retrieved from the connection handler if it is needed.

Specified by:

authenticate in interface AuthenticationHandler

Specified by:

authenticate in class AbstractAuthenticationHandler

Parameters:

ch - ConnectionHandler to communicate with the LDAP

ac - AuthenticationCriteria to perform the authentication with

Throws:

NamingException - if an LDAP error occurs

newInstance

public CompareAuthenticationHandler newInstance()

Returns a separate instance of this authentication handler.

Specified by:

newInstance in interface AuthenticationHandler

Specified by:

newInstance in class AbstractAuthenticationHandler

Returns:

authentication handler