| /* |
| * 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.ki.authz.aop; |
| |
| import java.lang.annotation.Annotation; |
| |
| import org.apache.ki.authz.UnauthenticatedException; |
| import org.apache.ki.authz.annotation.RequiresAuthentication; |
| |
| |
| /** |
| * Handles {@link RequiresAuthentication RequiresAuthentication} annotations and ensures the calling subject is |
| * authenticated before allowing access. |
| * |
| * @author Les Hazlewood |
| * @since 0.9.0 |
| */ |
| public class AuthenticatedAnnotationHandler extends AuthorizingAnnotationHandler { |
| |
| /** |
| * Default no-argument constructor that ensures this handler to process |
| * {@link org.apache.ki.authz.annotation.RequiresAuthentication RequiresAuthentication} annotations. |
| */ |
| public AuthenticatedAnnotationHandler() { |
| super(RequiresAuthentication.class); |
| } |
| |
| /** |
| * Ensures that the calling <code>Subject</code> is authenticated, and if not, throws an |
| * {@link org.apache.ki.authz.UnauthenticatedException UnauthenticatedException} indicating the method is not allowed to be executed. |
| * |
| * @param a the annotation to inspect |
| * @throws org.apache.ki.authz.UnauthenticatedException if the calling <code>Subject</code> has not yet |
| * authenticated. |
| */ |
| public void assertAuthorized(Annotation a) throws UnauthenticatedException { |
| if (a instanceof RequiresAuthentication && !getSubject().isAuthenticated() ) { |
| throw new UnauthenticatedException( "The current Subject is not authenticated. Access denied." ); |
| } |
| } |
| } |