Spring webflux：将http重定向到https [英] Spring webflux: redirect http to https

问题描述

如何在spring webflux中配置http-> https重定向？我需要将所有 http 请求重定向到 https （因为我理解任何 http 请求应具有 301 http状态响应，并更改http-> https）。在中未找到任何相关信息文档。
我发现这个回答，但它与tomcat有关。我有网络。

How can i configure http->https redirect in spring webflux? I need all http request be redirected to https(as i understood any http request should have 301 http status response with change http->https). Didn't found any information about it in documentation. I found this answer, but it related to tomcat. I have netty.

推荐答案

我找到了方法，希望它有所帮助：

I found way, hope it helps somebody:

@Bean
public WebFilter httpsRedirectFilter() {
    return new WebFilter() {
        @Override
        public Mono<Void> filter(ServerWebExchange exchange, WebFilterChain chain) {
            URI originalUri = exchange.getRequest().getURI();

            //here set your condition to http->https redirect
            List<String> forwardedValues = exchange.getRequest().getHeaders().get("x-forwarded-proto");
            if (forwardedValues != null && forwardedValues.contains("http")) {
                try {
                    URI mutatedUri = new URI("https",
                            originalUri.getUserInfo(),
                            originalUri.getHost(),
                            originalUri.getPort(),
                            originalUri.getPath(),
                            originalUri.getQuery(),
                            originalUri.getFragment());
                    ServerHttpResponse response = exchange.getResponse();
                    response.setStatusCode(HttpStatus.MOVED_PERMANENTLY);
                    response.getHeaders().setLocation(mutatedUri);
                    return Mono.empty();
                } catch (URISyntaxException e) {
                    throw new IllegalStateException(e.getMessage(), e);
                }
            }
            return chain.filter(exchange);
        }
    };
}

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