dongtang4954 2017-08-30 16:47
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Gorilla Mux中的config CORS:POST请求出现403错误

I have an API, currently am trying to consume one of its endpoints. The endpoint is for POST requests, the endpoint is working as expected. The API is running in the cloud, I tested it with curl and it was perfect, then from my react app I was trying to consume it but I get 403 status code.

Watching in the console of the browser I see that I get that error on a OPTIONS request, and the POST never get done. Here is a screenshot of the result displayed in the console:

enter image description here

Then, I made a simple HTML file with a form, there I placed the required inputs, and the action pointing to this endpoint and it worked pretty well. Then, I don't know where would be the error? I have enabled CORS in the API

In the API I am using Gorilla/mux and I have something like this:

// Set up a router and some routes
    r := mux.NewRouter()
    r.HandleFunc("/", handleHome)
    //some other routes

    headersOk := handlers.AllowedHeaders([]string{"*"})
    originsOk := handlers.AllowedOrigins([]string{"*"})
    methodsOk := handlers.AllowedMethods([]string{"GET", "HEAD", "POST", "PUT", "OPTIONS"})

    // Start http server
    port := fmt.Sprintf(":%d", SomePort)
    http.ListenAndServe(port, handlers.CORS(originsOk, headersOk, methodsOk)(r))



The message that I am getting in the browser is (in Spanish):

Solicitud desde otro origen bloqueada: la política de mismo origen impide leer el recurso remoto en https://miURL (razón: falta la cabecera CORS 'Access-Control-Allow-Origin').

In English: basically the server is rejecting the request because the CORS header is not present.

So, what have I done wrong in my router configuration?

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