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Update CORS support

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This commit updates CORS support in order to check Origin header
in CorsUtils#isPreFlightRequest which does not change how Spring
MVC or WebFlux process CORS request but is more correct in term
of behavior since it is a public API potentially used in another
contexts.

It also removes an unnecessary check in
AbstractHandlerMethodMapping#hasCorsConfigurationSource and processes
every preflight request with PreFlightHandler.

Closes gh-24327
This commit is contained in:
Sébastien Deleuze
2020-01-10 14:51:55 +01:00
parent 8396e6bdd1
commit bc7d010485
10 changed files with 74 additions and 26 deletions
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6
spring-webflux/src/main/java/org/springframework/web/reactive/handler/AbstractHandlerMapping.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2019 the original author or authors.
* 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.
@@ -182,8 +182,8 @@ public abstract class AbstractHandlerMapping extends ApplicationObjectSupport
if (logger.isDebugEnabled()) {
logger.debug(exchange.getLogPrefix() + "Mapped to " + handler);
}
if (hasCorsConfigurationSource(handler)) {
ServerHttpRequest request = exchange.getRequest();
ServerHttpRequest request = exchange.getRequest();
if (hasCorsConfigurationSource(handler) || CorsUtils.isPreFlightRequest(request)) {
CorsConfiguration config = (this.corsConfigurationSource != null ? this.corsConfigurationSource.getCorsConfiguration(exchange) : null);
CorsConfiguration handlerConfig = getCorsConfiguration(handler, exchange);
config = (config != null ? config.combine(handlerConfig) : handlerConfig);

5
spring-webflux/src/main/java/org/springframework/web/reactive/result/method/AbstractHandlerMethodMapping.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2019 the original author or authors.
* 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.
@@ -374,8 +374,7 @@ public abstract class AbstractHandlerMethodMapping<T> extends AbstractHandlerMap
@Override
protected boolean hasCorsConfigurationSource(Object handler) {
return super.hasCorsConfigurationSource(handler) ||
(handler instanceof HandlerMethod && this.mappingRegistry.getCorsConfiguration((HandlerMethod) handler) != null) ||
handler.equals(PREFLIGHT_AMBIGUOUS_MATCH);
(handler instanceof HandlerMethod && this.mappingRegistry.getCorsConfiguration((HandlerMethod) handler) != null);
}
@Override