spring security SpringAuthorizationEventPublisher 源码
spring security SpringAuthorizationEventPublisher 代码
文件路径：/core/src/main/java/org/springframework/security/authorization/SpringAuthorizationEventPublisher.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.authorization;
import java.util.function.Supplier;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.security.authorization.event.AuthorizationDeniedEvent;
import org.springframework.security.authorization.event.AuthorizationGrantedEvent;
import org.springframework.security.core.Authentication;
import org.springframework.util.Assert;
/**
* An implementation of {@link AuthorizationEventPublisher} that uses Spring's event
* publishing support.
*
* Because {@link AuthorizationGrantedEvent}s typically require additional business logic
* to decide whether to publish, this implementation only publishes
* {@link AuthorizationDeniedEvent}s.
*
* @author Parikshit Dutta
* @author Josh Cummings
* @since 5.7
*/
public final class SpringAuthorizationEventPublisher implements AuthorizationEventPublisher {
private final ApplicationEventPublisher eventPublisher;
/**
* Construct this publisher using Spring's {@link ApplicationEventPublisher}
* @param eventPublisher
*/
public SpringAuthorizationEventPublisher(ApplicationEventPublisher eventPublisher) {
Assert.notNull(eventPublisher, "eventPublisher cannot be null");
this.eventPublisher = eventPublisher;
}
/**
* {@inheritDoc}
*/
@Override
public <T> void publishAuthorizationEvent(Supplier<Authentication> authentication, T object,
AuthorizationDecision decision) {
if (decision == null || decision.isGranted()) {
return;
}
AuthorizationDeniedEvent<T> failure = new AuthorizationDeniedEvent<>(authentication, object, decision);
this.eventPublisher.publishEvent(failure);
}
}
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