Presta registration automated question

[KaraCooma]

Hello

I'm trying to implement an automatic registration feature onto prestashop for a small project. Basically, I was thinking of using one of authentication.php function and modifying it. Here's the function:

http://pastebin.com/BJj8SgiT

All I want to do is insert a new customer. I don't have to worry about the validating the fields since I'll be using correct information stored on another database. I was just going to manually fill in the Address and Customer object fields with database information instead of checking the form fields. Will this work? or does the module used to insert into prestashop's database check the form fields constantly?

Thanks.