/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* 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.kie.security.jaas;
import java.io.IOException;
import java.security.Principal;
import java.util.Base64;
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 KieLoginModule implements LoginModule {
private CallbackHandler handler;
private Subject subject;
protected boolean committed = false;
protected Principal principal = null;
@Override
public void initialize(Subject subject, CallbackHandler callbackHandler, Map<String, ?> sharedState, Map<String, ?> options) {
this.handler = callbackHandler;
this.subject = subject;
}
@Override
public boolean login() throws LoginException {
Callback[] callbacks = new Callback[2];
callbacks[0] = new NameCallback("login");
callbacks[1] = new PasswordCallback("password", true);
try {
handler.handle(callbacks);
String name = ((NameCallback) callbacks[0]).getName();
String password = String.valueOf(((PasswordCallback) callbacks[1]).getPassword());
if (name != null && password != null) {
String basicAuthHeader = "Basic " + Base64.getEncoder().encodeToString((name + ":" + password).getBytes("UTF-8"));
principal = new BasicAuthorizationPrincipal(basicAuthHeader);
return true;
}
throw new LoginException("Unable to proceed as there is no username or password given");
} catch (IOException e) {
throw new LoginException(e.getMessage());
} catch (UnsupportedCallbackException e) {
throw new LoginException(e.getMessage());
}
}
@Override
public boolean commit() throws LoginException {
// If authentication was not successful, just return false
if (principal == null) {
return (false);
}
// Add our Principal to the Subject if needed
if (!subject.getPrincipals().contains(principal)) {
subject.getPrincipals().add(principal);
}
committed = true;
return true;
}
@Override
public boolean abort() throws LoginException {
if(this.principal == null) {
return false;
} else {
if(this.committed) {
this.logout();
} else {
this.committed = false;
this.principal = null;
}
return true;
}
}
@Override
public boolean logout() throws LoginException {
this.subject.getPrincipals().remove(this.principal);
this.committed = false;
this.principal = null;
return true;
}
}