package com.ruoyi.gateway.config;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.HttpMethod;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.MediaType;
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import org.springframework.http.server.reactive.ServerHttpRequest;
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import org.springframework.http.server.reactive.ServerHttpResponse;
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import org.springframework.web.cors.reactive.CorsUtils;
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import org.springframework.web.reactive.function.server.RequestPredicates;
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import org.springframework.web.reactive.function.server.RouterFunction;
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import org.springframework.web.reactive.function.server.RouterFunctions;
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import com.ruoyi.gateway.handler.ValidateCodeHandler;
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import org.springframework.web.server.ServerWebExchange;
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import org.springframework.web.server.WebFilter;
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import org.springframework.web.server.WebFilterChain;
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import reactor.core.publisher.Mono;
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/**
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* 璺敱閰嶇疆淇℃伅
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*
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* @author ruoyi
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*/
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@Configuration
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public class RouterFunctionConfiguration {
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/**
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* 杩欓噷涓烘敮鎸佺殑璇锋眰澶达紝濡傛灉鏈夎嚜瀹氫箟鐨刪eader瀛楁璇疯嚜宸辨坊鍔?
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*/
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private static final String ALLOWED_HEADERS = "X-Requested-With, Content-Type, Authorization, credential, X-XSRF-TOKEN, token, username, client, request-origion, sign, nonce_str, timestamp";
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private static final String ALLOWED_METHODS = "GET,POST,PUT,DELETE,OPTIONS,HEAD";
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private static final String ALLOWED_EXPOSE = "*";
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private static final String MAX_AGE = "18000L";
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@Autowired
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private ValidateCodeHandler validateCodeHandler;
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@SuppressWarnings("rawtypes")
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@Bean
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public RouterFunction routerFunction() {
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return RouterFunctions.route(
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RequestPredicates.GET("/code").and(RequestPredicates.accept(MediaType.TEXT_PLAIN)),
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validateCodeHandler);
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}
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/**
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* 璺ㄥ煙閰嶇疆
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*/
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@Bean
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public WebFilter corsFilter() {
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return (ServerWebExchange ctx, WebFilterChain chain) -> {
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ServerHttpRequest request = ctx.getRequest();
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if (CorsUtils.isCorsRequest(request)) {
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ServerHttpResponse response = ctx.getResponse();
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applyCorsHeaders(request, response);
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if (request.getMethod() == HttpMethod.OPTIONS) {
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response.setStatusCode(HttpStatus.OK);
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return Mono.empty();
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}
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response.beforeCommit(() -> {
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applyCorsHeaders(request, response);
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return Mono.empty();
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});
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}
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return chain.filter(ctx);
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};
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}
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private void applyCorsHeaders(ServerHttpRequest request, ServerHttpResponse response) {
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HttpHeaders headers = response.getHeaders();
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String origin = request.getHeaders().getOrigin();
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headers.set("Access-Control-Allow-Headers", ALLOWED_HEADERS);
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headers.set("Access-Control-Allow-Methods", ALLOWED_METHODS);
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headers.set("Access-Control-Allow-Origin", origin == null ? "*" : origin);
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headers.set("Access-Control-Expose-Headers", ALLOWED_EXPOSE);
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headers.set("Access-Control-Max-Age", MAX_AGE);
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headers.set("Access-Control-Allow-Credentials", "true");
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headers.set(HttpHeaders.VARY, HttpHeaders.ORIGIN);
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}
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}
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