Function normalizeURL

api/client/client.go:333–371

normalizeURL checks for http/https protocol, appends "http" as default protocol if not defined in url

(addr string)

// normalizeURL checks for http/https protocol, appends "http" as default protocol if not defined in url
func normalizeURL(addr string) (*url.URL, error) {
	addr = strings.TrimSpace(addr)

	u, err := url.Parse(addr)
	if err != nil {
		return nil, err
	}

	if u.Opaque != "" {
		u.Host = net.JoinHostPort(u.Scheme, u.Opaque)
		u.Opaque = ""
	} else if u.Path != "" && !strings.Contains(u.Path, ":") {
		u.Host = net.JoinHostPort(u.Path, "8888")
		u.Path = ""
	} else if u.Scheme == "" {
		u.Host = u.Path
		u.Path = ""
	}

	if u.Scheme != "https" {
		u.Scheme = "http"
	}

	_, port, err := net.SplitHostPort(u.Host)
	if err != nil {
		_, port, err = net.SplitHostPort(u.Host + ":8888")
		if err != nil {
			return nil, err
		}
	}

	if port != "" {
		_, err = strconv.Atoi(port)
		if err != nil {
			return nil, err
		}
	}
	return u, nil
}