Function FromEnvironmentUsing

proxy/proxy.go:40–63

FromEnvironmentUsing returns the dialer specify by the proxy-related variables in the environment and makes underlying connections using the provided forwarding Dialer (for instance, a *net.Dialer with desired configuration).

(forward Dialer)

// using the provided forwarding Dialer (for instance, a *net.Dialer
// with desired configuration).
func FromEnvironmentUsing(forward Dialer) Dialer {
	allProxy := allProxyEnv.Get()
	if len(allProxy) == 0 {
		return forward
	}

	proxyURL, err := url.Parse(allProxy)
	if err != nil {
		return forward
	}
	proxy, err := FromURL(proxyURL, forward)
	if err != nil {
		return forward
	}

	noProxy := noProxyEnv.Get()
	if len(noProxy) == 0 {
		return proxy
	}

	perHost := NewPerHost(proxy, forward)
	perHost.AddFromString(noProxy)
	return perHost
}

// proxySchemes is a map from URL schemes to a function that creates a Dialer
// from a URL with such a scheme.