org.springframework.security.web.server.savedrequest.ServerRequestCacheWebFilter 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
*
* http://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.savedrequest;
import org.springframework.util.Assert;
import org.springframework.web.server.ServerWebExchange;
import org.springframework.web.server.WebFilter;
import org.springframework.web.server.WebFilterChain;
import reactor.core.publisher.Mono;
/**
* A {@link WebFilter} that replays any matching request in {@link ServerRequestCache}
*
* @author Rob Winch
* @since 5.0
*/
public class ServerRequestCacheWebFilter implements WebFilter {
private ServerRequestCache requestCache = new WebSessionServerRequestCache();
@Override
public Mono filter(ServerWebExchange exchange, WebFilterChain chain) {
return this.requestCache.removeMatchingRequest(exchange)
.map(r -> exchange.mutate().request(r).build())
.defaultIfEmpty(exchange)
.flatMap(e -> chain.filter(e));
}
public void setRequestCache(ServerRequestCache requestCache) {
Assert.notNull(requestCache, "requestCache cannot be null");
this.requestCache = requestCache;
}
}