All I know is a friend now dead built it in Php and it was running but dropped,though if it corrupted some way I have a copy Only thing required is linked to payment API and captcha
I can fix some erros and add that features if you want me to. But I have fully working faucet script, secured, with admin panel and built on latest technologies by me. I can sell it to you cheap since not many users are interested in faucets anymore. Pm me if you are interested.