001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied.  See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    package org.apache.shiro.aspectj;
020    
021    import org.aspectj.lang.JoinPoint;
022    import org.aspectj.lang.annotation.Aspect;
023    import org.aspectj.lang.annotation.Before;
024    import org.aspectj.lang.annotation.Pointcut;
025    
026    /**
027     * Aspect that adds a before advice for each invocation of an annotated method.
028     *
029     * @author J-C Desrochers
030     */
031    @Aspect()
032    public class ShiroAnnotationAuthorizingAspect {
033    
034        private static final String pointCupExpression =
035                "execution(@org.apache.shiro.authz.annotation.RequiresAuthentication * *(..)) || " +
036                        "execution(@org.apache.shiro.authz.annotation.RequiresGuest * *(..)) || " +
037                        "execution(@org.apache.shiro.authz.annotation.RequiresPermissions * *(..)) || " +
038                        "execution(@org.apache.shiro.authz.annotation.RequiresRoles * *(..)) || " +
039                        "execution(@org.apache.shiro.authz.annotation.RequiresUser * *(..))";
040    
041        @Pointcut(pointCupExpression)
042        void anyShiroAnnotatedMethodCall(JoinPoint thisJoinPoint) {
043        }
044    
045        private AspectjAnnotationsAuthorizingMethodInterceptor interceptor =
046                new AspectjAnnotationsAuthorizingMethodInterceptor();
047    
048        @Before("anyShiroAnnotatedMethodCall(thisJoinPoint)")
049        public void executeAnnotatedMethod(JoinPoint thisJoinPoint) throws Throwable {
050            interceptor.performBeforeInterception(thisJoinPoint);
051        }
052    }