package http import (	"context"	"net"	"net/http") type ctxKey int const (	ctxKeyAuth ctxKey = iota	ctxKeyPublicURL	ctxKeyUnixSock	ctxKeyUser) // NewBaseContext initializes the context for all requests, adding info for use in middleware and handlersfunc NewBaseContext(ctx context.Context, url string) func(l net.Listener) context.Context {	return func(l net.Listener) context.Context {		if l.Addr().Network() == "unix" {			return context.WithValue(ctx, ctxKeyUnixSock, true)		}		return context.WithValue(ctx, ctxKeyPublicURL, url)	}} // IsAuthenticated checks if this request was authenticated via a middlewarefunc IsAuthenticated(r *http.Request) bool {	if v := r.Context().Value(ctxKeyAuth); v != nil {		return true	}	if v := r.Context().Value(ctxKeyUser); v != nil {		return true	}	return false} // PublicURL returns the URL defined in NewBaseContext, used for logging & CORSfunc PublicURL(r *http.Request) string {	v, _ := r.Context().Value(ctxKeyPublicURL).(string)	return v} // CtxGetAuth is a wrapper over the private Auth context keyfunc CtxGetAuth(ctx context.Context) interface{} {	return ctx.Value(ctxKeyAuth)} // CtxGetUser is a wrapper over the private User context keyfunc CtxGetUser(ctx context.Context) (string, bool) {	v, ok := ctx.Value(ctxKeyUser).(string)	return v, ok} // CtxSetUser is a test helper that injects a User value into contextfunc CtxSetUser(ctx context.Context, value string) context.Context {	return context.WithValue(ctx, ctxKeyUser, value)}