org.springframework.security.authentication.jaas.JaasPasswordCallbackHandler Maven / Gradle / Ivy
/*
* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.security.authentication.jaas;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.PasswordCallback;
import org.springframework.security.core.Authentication;
/**
* The most basic Callbacks to be handled when using a LoginContext from JAAS, are the
* NameCallback and PasswordCallback. Spring Security provides the
* JaasPasswordCallbackHandler specifically tailored to handling the PasswordCallback.
*
*
* @author Ray Krueger
* @see Callback
* @see
* PasswordCallback
*/
public class JaasPasswordCallbackHandler implements JaasAuthenticationCallbackHandler {
/**
* If the callback passed to the 'handle' method is an instance of PasswordCallback,
* the JaasPasswordCallbackHandler will call,
* callback.setPassword(authentication.getCredentials().toString()).
* @param callback
* @param auth
*
*/
@Override
public void handle(Callback callback, Authentication auth) {
if (callback instanceof PasswordCallback) {
((PasswordCallback) callback).setPassword(auth.getCredentials().toString().toCharArray());
}
}
}