2- if you don't get an answer, assume the subject is not that important to the person you asked
3- Do it
4- If person who ignored you denies you permission retroactively, comply
5- Complain when the person who ignored you and then denied you permission to do what you already did, which you promptly removed from public access, also insults you for no reason beyond not getting his attention in the first place.
1) Ask permission.
2) If you don't get permission, do it anyway.
3) Complain and berate the people you crossed if you suffer consequences from doing it anyway.
Gah. I think I've had quite enough of talking with you.