spring security MessageSecurityExpressionRoot 源码
spring security MessageSecurityExpressionRoot 代码
文件路径：/messaging/src/main/java/org/springframework/security/messaging/access/expression/MessageSecurityExpressionRoot.java
/*
* Copyright 2002-2022 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.messaging.access.expression;
import java.util.function.Supplier;
import org.springframework.messaging.Message;
import org.springframework.security.access.expression.SecurityExpressionRoot;
import org.springframework.security.core.Authentication;
/**
* The {@link SecurityExpressionRoot} used for {@link Message} expressions.
*
* @author Rob Winch
* @author Evgeniy Cheban
* @since 4.0
*/
public class MessageSecurityExpressionRoot extends SecurityExpressionRoot {
public final Message<?> message;
public MessageSecurityExpressionRoot(Authentication authentication, Message<?> message) {
this(() -> authentication, message);
}
/**
* Creates an instance for the given {@link Supplier} of the {@link Authentication}
* and {@link Message}.
* @param authentication the {@link Supplier} of the {@link Authentication} to use
* @param message the {@link Message} to use
* @since 5.8
*/
public MessageSecurityExpressionRoot(Supplier<Authentication> authentication, Message<?> message) {
super(authentication);
this.message = message;
}
}
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