This context comes from the "Harry Potter and the Philosopher's Stone" book.
"I'm warning you," he said, putting his large purple face right up close to Harry's, "I'm warning you now, boy- any funny business, anything at all - and you'll be in that cupboard from now until Christmas."
I think up close in this context means:
ADJECTIVE (in British English) very close; in close range to(source: Collins dictionary)
What I'm least sure of is the adverb "right". Does it mean?
- in a straight line; directly: right to the top.
- absolutely or completely; utterly: he went right through the floor.
- all the way: the bus goes right to the city centre.
- exactly or precisely: right here.
(source<all 4 definitions>: Collins Dictionary)
Did I parse this sentence correctly? Are any of these definitions relevant here?