spring security PostInvocationAdviceProvider 源码
spring security PostInvocationAdviceProvider 代码
文件路径：/core/src/main/java/org/springframework/security/access/prepost/PostInvocationAdviceProvider.java
/*
* Copyright 2002-2021 the original author or authors.
*
* Licensed 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
*
* https://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.springframework.security.access.prepost;
import java.util.Collection;
import org.aopalliance.intercept.MethodInvocation;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.access.AfterInvocationProvider;
import org.springframework.security.access.ConfigAttribute;
import org.springframework.security.core.Authentication;
/**
* <tt>AfterInvocationProvider</tt> which delegates to a
* {@link PostInvocationAuthorizationAdvice} instance passing it the
* <tt>PostInvocationAttribute</tt> created from @PostAuthorize and @PostFilter
* annotations.
*
* @author Luke Taylor
* @author Alexander Furer
* @since 3.0
*/
public class PostInvocationAdviceProvider implements AfterInvocationProvider {
protected final Log logger = LogFactory.getLog(getClass());
private final PostInvocationAuthorizationAdvice postAdvice;
public PostInvocationAdviceProvider(PostInvocationAuthorizationAdvice postAdvice) {
this.postAdvice = postAdvice;
}
@Override
public Object decide(Authentication authentication, Object object, Collection<ConfigAttribute> config,
Object returnedObject) throws AccessDeniedException {
PostInvocationAttribute postInvocationAttribute = findPostInvocationAttribute(config);
if (postInvocationAttribute == null) {
return returnedObject;
}
return this.postAdvice.after(authentication, (MethodInvocation) object, postInvocationAttribute,
returnedObject);
}
private PostInvocationAttribute findPostInvocationAttribute(Collection<ConfigAttribute> config) {
for (ConfigAttribute attribute : config) {
if (attribute instanceof PostInvocationAttribute) {
return (PostInvocationAttribute) attribute;
}
}
return null;
}
@Override
public boolean supports(ConfigAttribute attribute) {
return attribute instanceof PostInvocationAttribute;
}
@Override
public boolean supports(Class<?> clazz) {
return MethodInvocation.class.isAssignableFrom(clazz);
}
}
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