1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.shiro.aspectj;
20
21 import org.apache.shiro.aop.MethodInvocation;
22 import org.apache.shiro.authz.aop.AnnotationsAuthorizingMethodInterceptor;
23 import org.aspectj.lang.JoinPoint;
24 import org.aspectj.lang.reflect.MethodSignature;
25 import org.slf4j.Logger;
26 import org.slf4j.LoggerFactory;
27
28 import java.util.Arrays;
29
30 /**
31 * Extends the annotations authorizing method interceptor class hierarchie to adapt
32 * an aspectj {@link JoinPoint} into a {@link MethodInvocation} amd to perform the
33 * authorization of method invocations.
34 *
35 * @since 1.0
36 */
37 public class AspectjAnnotationsAuthorizingMethodInterceptor extends AnnotationsAuthorizingMethodInterceptor {
38 /**
39 * This class's private log instance.
40 */
41 private static final Logger log = LoggerFactory.getLogger(AspectjAnnotationsAuthorizingMethodInterceptor.class);
42
43 /**
44 * Performs the method interception of the before advice at the specified joint point.
45 *
46 * @param aJoinPoint The joint point to intercept.
47 * @throws Throwable If an error occurs berforming the method invocation.
48 */
49 protected void performBeforeInterception(JoinPoint aJoinPoint) throws Throwable {
50 if (log.isTraceEnabled()) log.trace("#### Invoking a method decorated with a Shiro annotation" +
51 "\n\tkind : " + aJoinPoint.getKind() +
52 "\n\tjoinPoint : " + aJoinPoint +
53 "\n\tannotations: " + Arrays.toString(((MethodSignature) aJoinPoint.getSignature()).getMethod().getAnnotations()) +
54 "\n\ttarget : " + aJoinPoint.getTarget()
55 );
56
57 // 1. Adapt the join point into a method invocation
58 BeforeAdviceMethodInvocationAdapter mi = BeforeAdviceMethodInvocationAdapter.createFrom(aJoinPoint);
59
60 // 2. Delegate the authorization of the method call to the super class
61 super.invoke(mi);
62 }
63 }