/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
*
* http://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.apache.felix.example.jaas.config.internal;
import java.io.IOException;
import java.util.Arrays;
import java.util.Map;
import javax.security.auth.Subject;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.NameCallback;
import javax.security.auth.callback.PasswordCallback;
import javax.security.auth.callback.UnsupportedCallbackException;
import javax.security.auth.login.LoginException;
import javax.security.auth.spi.LoginModule;
public class SampleConfigLoginModule implements LoginModule
{
private Subject subject;
private CallbackHandler handler;
private Map<String, ?> options;
private Map<String, ?> sharedState;
private boolean succeeded;
private String name;
@Override
public void initialize(Subject subject, CallbackHandler callbackHandler,
Map<String, ?> sharedState, Map<String, ?> options)
{
this.subject = subject;
this.options = options;
this.handler = callbackHandler;
this.sharedState = sharedState;
}
@Override
public boolean login() throws LoginException
{
Callback[] callbacks = new Callback[2];
callbacks[0] = new NameCallback("Name");
callbacks[1] = new PasswordCallback("Password", false);
try
{
handler.handle(callbacks);
}
catch (IOException e)
{
throw new LoginException(e.getMessage());
}
catch (UnsupportedCallbackException e)
{
throw new LoginException(e.getMessage());
}
String name = ((NameCallback) callbacks[0]).getName();
char[] password = ((PasswordCallback) callbacks[1]).getPassword();
boolean result = Arrays.equals(name.toCharArray(), password);
succeeded = result;
this.name = name;
return result;
}
@Override
public boolean commit() throws LoginException
{
if (succeeded)
{
subject.getPrincipals().add(new SamplePrincipal(name, "SampleConfigLoginModule"));
return true;
}
return false;
}
@Override
public boolean abort() throws LoginException
{
return true;
}
@Override
public boolean logout() throws LoginException
{
return false;
}
}