That's official too, but not 100%, since its done by Apple authorized distributor (like FutureTech), and not directly by Apple (like Apple store).
Apple authorized FutureTech etc to sell its products and provide warranty services.
Apple does not sell directly here in Pakistan, it sells via their authorized distributors like FutureTech, who also provide after sales services like warranty etc.
Even Samsung Galaxy is not 100% official here. Samsung authorized distributors like M&P, Greentech etc to sell their products and also provide after sales like warranty etc.
OPPO comes 100% officially here that's why its expensive, and it's warranty services are provided directly by OPPO, not by any of its authorized distributors.
But for sake of simplicity, consider authorized distributors as official and legit, because they are, but not 100% official.