spring security AuthorizationManager 源码
spring security AuthorizationManager 代码
文件路径：/core/src/main/java/org/springframework/security/authorization/AuthorizationManager.java
/*
* Copyright 2002-2020 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.authorization;
import java.util.function.Supplier;
import org.springframework.lang.Nullable;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.core.Authentication;
/**
* An Authorization manager which can determine if an {@link Authentication} has access to
* a specific object.
*
* @param <T> the type of object that the authorization check is being done one.
* @author Evgeniy Cheban
*/
@FunctionalInterface
public interface AuthorizationManager<T> {
/**
* Determines if access should be granted for a specific authentication and object.
* @param authentication the {@link Supplier} of the {@link Authentication} to check
* @param object the {@link T} object to check
* @throws AccessDeniedException if access is not granted
*/
default void verify(Supplier<Authentication> authentication, T object) {
AuthorizationDecision decision = check(authentication, object);
if (decision != null && !decision.isGranted()) {
throw new AccessDeniedException("Access Denied");
}
}
/**
* Determines if access is granted for a specific authentication and object.
* @param authentication the {@link Supplier} of the {@link Authentication} to check
* @param object the {@link T} object to check
* @return an {@link AuthorizationDecision} or null if no decision could be made
*/
@Nullable
AuthorizationDecision check(Supplier<Authentication> authentication, T object);
}
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