| package main | |
| import "net/http" | |
| type httpsEnforcerHandler struct { | |
| h http.Handler | |
| } | |
| func (h httpsEnforcerHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) { | |
| if r.Host == "godoc.org" { | |
| w.Header().Add("Strict-Transport-Security", "max-age=631138519; includeSubdomains; preload") | |
| if r.Header.Get("X-Scheme") != "https" { | |
| r.URL.Scheme = "https" | |
| http.Redirect(w, r, r.URL.String(), http.StatusFound) | |
| return | |
| } | |
| } | |
| h.h.ServeHTTP(w, r) | |
| } |