spring security AuthorizationWebFilter 源码
spring security AuthorizationWebFilter 代码
文件路径：/web/src/main/java/org/springframework/security/web/server/authorization/AuthorizationWebFilter.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.web.server.authorization;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import reactor.core.publisher.Mono;
import org.springframework.core.log.LogMessage;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.authorization.ReactiveAuthorizationManager;
import org.springframework.security.core.context.ReactiveSecurityContextHolder;
import org.springframework.security.core.context.SecurityContext;
import org.springframework.web.server.ServerWebExchange;
import org.springframework.web.server.WebFilter;
import org.springframework.web.server.WebFilterChain;
/**
* @author Rob Winch
* @author Mathieu Ouellet
* @since 5.0
*/
public class AuthorizationWebFilter implements WebFilter {
private static final Log logger = LogFactory.getLog(AuthorizationWebFilter.class);
private ReactiveAuthorizationManager<? super ServerWebExchange> authorizationManager;
public AuthorizationWebFilter(ReactiveAuthorizationManager<? super ServerWebExchange> authorizationManager) {
this.authorizationManager = authorizationManager;
}
@Override
public Mono<Void> filter(ServerWebExchange exchange, WebFilterChain chain) {
return ReactiveSecurityContextHolder.getContext().filter((c) -> c.getAuthentication() != null)
.map(SecurityContext::getAuthentication)
.as((authentication) -> this.authorizationManager.verify(authentication, exchange))
.doOnSuccess((it) -> logger.debug("Authorization successful"))
.doOnError(AccessDeniedException.class,
(ex) -> logger.debug(LogMessage.format("Authorization failed: %s", ex.getMessage())))
.switchIfEmpty(chain.filter(exchange));
}
}
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