func NewEcho()

in grpc-web/app/pkg/grpc-web/server.go [26:50]

• 19 lines of code
• 2 McCabe index (conditional complexity)

func NewEcho(gRPCServer *grpc.Server, grpcWebPort string) (*echo.Echo, error) {
	echoServer := echo.New()

	echoHandler := echoServer
	wrappedGrpc := grpcweb.WrapServer(gRPCServer)

	//override server handler to intercept grpc-web requests (content-type: application/grpc-web)
	echoServer.Server = &http.Server{
		Addr: fmt.Sprintf(":%s", grpcWebPort),
		Handler: http.HandlerFunc(func(resp http.ResponseWriter, req *http.Request) {
			resp.Header().Set("Access-Control-Allow-Headers", "*")
			resp.Header().Set("Access-Control-Allow-Origin", "*")

			if wrappedGrpc.IsGrpcWebRequest(req) {
				wrappedGrpc.ServeHTTP(resp, req)
				return
			}

			echoHandler.ServeHTTP(resp, req)
		}),
	}

	echoServer.HideBanner = true
	return echoServer, nil
}