Yes, っての/ってん is short for というの. Here, it's followed by か, so it's basically "Are you saying ～?", "Is it that ～?" or "Does that mean ～?".
がってんなら - what kind of contraction am I dealing with in this sentence?
ってんだ with imperative
The remaining part is a rather simple causative + volitional sentence.
to re-enact that ...