org.springframework.security.web.server.context.ReactorContextWebFilter Maven / Gradle / Ivy
/*
* Copyright 2002-2017 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.context;
import reactor.core.publisher.Mono;
import reactor.util.context.Context;
import org.springframework.security.core.context.ReactiveSecurityContextHolder;
import org.springframework.security.core.context.SecurityContext;
import org.springframework.util.Assert;
import org.springframework.web.server.ServerWebExchange;
import org.springframework.web.server.WebFilter;
import org.springframework.web.server.WebFilterChain;
/**
* Uses a {@link ServerSecurityContextRepository} to provide the {@link SecurityContext}
* to initialize the {@link ReactiveSecurityContextHolder}.
*
* @author Rob Winch
* @since 5.0
*/
public class ReactorContextWebFilter implements WebFilter {
private final ServerSecurityContextRepository repository;
public ReactorContextWebFilter(ServerSecurityContextRepository repository) {
Assert.notNull(repository, "repository cannot be null");
this.repository = repository;
}
@Override
public Mono filter(ServerWebExchange exchange, WebFilterChain chain) {
return chain.filter(exchange).contextWrite(
(context) -> context.hasKey(SecurityContext.class) ? context : withSecurityContext(context, exchange));
}
private Context withSecurityContext(Context mainContext, ServerWebExchange exchange) {
return mainContext.putAll(
this.repository.load(exchange).as(ReactiveSecurityContextHolder::withSecurityContext).readOnly());
}
}