Function Parse

sdk/proxyutil/proxy.go:39–72

Parse normalizes a proxy configuration value into inherit, direct, or proxy modes.

(raw string)

// Parse normalizes a proxy configuration value into inherit, direct, or proxy modes.
func Parse(raw string) (Setting, error) {
	trimmed := strings.TrimSpace(raw)
	setting := Setting{Raw: trimmed}

	if trimmed == "" {
		setting.Mode = ModeInherit
		return setting, nil
	}

	if strings.EqualFold(trimmed, "direct") || strings.EqualFold(trimmed, "none") {
		setting.Mode = ModeDirect
		return setting, nil
	}

	parsedURL, errParse := url.Parse(trimmed)
	if errParse != nil {
		setting.Mode = ModeInvalid
		return setting, fmt.Errorf("parse proxy URL failed")
	}
	if parsedURL.Scheme == "" || parsedURL.Host == "" {
		setting.Mode = ModeInvalid
		return setting, fmt.Errorf("proxy URL missing scheme/host")
	}

	switch parsedURL.Scheme {
	case "socks5", "socks5h", "http", "https":
		setting.Mode = ModeProxy
		setting.URL = parsedURL
		return setting, nil
	default:
		setting.Mode = ModeInvalid
		return setting, fmt.Errorf("unsupported proxy scheme: %s", parsedURL.Scheme)
	}
}

func cloneDefaultTransport() *http.Transport {
	if transport, ok := http.DefaultTransport.(*http.Transport); ok && transport != nil {