blah.go

gistfile1.txt

func httpReq(authToken string, method string, URL string, postData []byte, isJson bool) (*http.Response, error) {
        client := &http.Client{
                Timeout: 20 * time.Second,
        }
        req, err := http.NewRequest(method, URL, bytes.NewBuffer(postData))
        if err != nil {
                log.Println("Error with building request for "+URL+": ", err)
                return &http.Response{}, err
        }
        if authToken != "" {
                req.Header.Add("Authorization", "Bearer "+authToken)
        }
        if isJson {
                req.Header.Add("Content-Type", "application/json")
        }
        resp, err := client.Do(req)
        if err != nil {
                log.Println("Error with request for "+URL+": ", err)
                return &http.Response{}, err
        }
        return resp, nil
}

func getAuthToken(clientID, clientSecret, tenantName string) (AuthTokenResp, error) {
        data := url.Values{}
        data.Set("grant_type", "client_credentials")
        data.Add("client_id", parsedconfig.ClientID)
        data.Add("client_secret", parsedconfig.ClientSecret)
        data.Add("resource", "https://management.azure.com/")

        r, _ := httpReq("", "POST", "https://login.microsoftonline.com/"+parsedconfig.TenantName+"/oauth2/token", []byte(data.Encode()), false)
        var authResp AuthTokenResp
        defer r.Body.Close()
        body, err := ioutil.ReadAll(r.Body)
        if err != nil {
                return authResp, err
        }
        err = json.Unmarshal(body, &authResp)
        if err != nil {
                return authResp, err
        }
        return authResp, nil
}