spring PreFlightRequestHandler 源码
spring PreFlightRequestHandler 代码
文件路径：/spring-web/src/main/java/org/springframework/web/cors/reactive/PreFlightRequestHandler.java
/*
* Copyright 2002-2021 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.web.cors.reactive;
import reactor.core.publisher.Mono;
import org.springframework.web.server.ServerWebExchange;
/**
* Handler for CORS pre-flight requests.
*
* @author Rossen Stoyanchev
* @since 5.3.4
* @see PreFlightRequestWebFilter
*/
public interface PreFlightRequestHandler {
/**
* Handle a pre-flight request by finding and applying the CORS configuration
* that matches the expected actual request. As a result of handling, the
* response should be updated with CORS headers or rejected with
* {@link org.springframework.http.HttpStatus#FORBIDDEN}.
* @param exchange the exchange for the request
* @return a completion handle
*/
Mono<Void> handlePreFlight(ServerWebExchange exchange);
}
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