funcGetAuthHeader¶

func GetAuthHeader(u *url.URL) (string,error)

GetAuthHeader returns the Authorization header value to send to proxy u.

funcInvalidateCache¶

func InvalidateCache()

InvalidateCache invalidates the package-level cache for ProxyFromEnvironment.

It's intended to be called on network link/routing table changes.

funcProxyFromEnvironment¶

func ProxyFromEnvironment(req *http.Request) (ret *url.URL, _error)

ProxyFromEnvironment is like the standard library's http.ProxyFromEnvironmentbut additionally does OS-specific proxy lookups if the environment variablesalone don't specify a proxy.

funcSetProxyFunc¶added inv1.88.0

func SetProxyFunc(fn func(*url.URL) (*url.URL,error))error

SetProxyFunc can be used by clients to set a platform-specific function for proxy resolution.If config is set when this function is called, an error will be returned.The provided function should return a proxy URL for the given request URL,nil if no proxy is enabled for the request URL, or an error if proxy settings cannot be resolved.

funcSetSelfProxy¶added inv1.40.0

func SetSelfProxy(addrs ...string)

SetSelfProxy configures this package to avoid proxying through any of theprovided addresses–e.g. if they refer to proxies being run by this process.

funcSetTransportGetProxyConnectHeader¶

func SetTransportGetProxyConnectHeader(tr *http.Transport)

SetTransportGetProxyConnectHeader sets the provided Transport'sGetProxyConnectHeader field, and adds logging of the received response.