func (wa *webAuth) callURL(url, method string, body interface{}, statusCode int, resJSON interface{}) (res *goreq.Response, err error) {
req := goreq.Request{
Method: method,
Uri: url,
Body: body,
CookieJar: wa.jar,
Accept: "application/json",
Host: "hub.docker.com",
ContentType: "application/json",
}.WithHeader("Referer", "https://hub.docker.com/login/")
if wa.token != "" {
req = req.WithHeader("Authorization", fmt.Sprintf("JWT %v", wa.token))
}
res, err = req.Do()
if err != nil {
return res, wrapError(err, fmt.Sprintf("%v to %v", method, url))
}
if statusCode != 0 && res.StatusCode != statusCode {
return res, wrongResponseError(res,
fmt.Sprintf("%v to %v should have returned a %v", method, url, statusCode))
}
if resJSON == nil {
return
}
err = res.Body.FromJsonTo(resJSON)
if err != nil {
return res, wrapError(err, fmt.Sprintf("extracting JSON from %v to %v", method, url))
}
return
}