content: package com.taobao.arthas.grpcweb.proxy;
  
  import io.netty.handler.codec.http.HttpHeaderNames;
  import io.netty.handler.codec.http.HttpHeaders;
  
  /**
   * TODO 支持让用户配置更精细的 cors header
   * @author hengyunabc 2023-09-07
   *
   */
  public class CorsUtils {
  
      public static void updateCorsHeader(HttpHeaders headers) {
  //        headers.set(HttpHeaderNames.ACCESS_CONTROL_ALLOW_HEADERS,
  //                StringUtils.joinWith(",", "user-agent", "cache-control", "content-type", "content-transfer-encoding",
  //                        "grpc-timeout", "keep-alive"));
          headers.set(HttpHeaderNames.ACCESS_CONTROL_ALLOW_HEADERS, "*");
  
          headers.set(HttpHeaderNames.ACCESS_CONTROL_ALLOW_ORIGIN, "*");
          headers.set(HttpHeaderNames.ACCESS_CONTROL_REQUEST_HEADERS, "content-type,x-grpc-web,x-user-agent");
          headers.set(HttpHeaderNames.ACCESS_CONTROL_ALLOW_METHODS, "OPTIONS,GET,POST,HEAD");
  
  //        headers.set(HttpHeaderNames.ACCESS_CONTROL_EXPOSE_HEADERS,
  //                StringUtils.joinWith(",", "grpc-status", "grpc-message"));
          headers.set(HttpHeaderNames.ACCESS_CONTROL_EXPOSE_HEADERS, "*");
      }
  }
  