Need to accept upload files to your Google Drive?
This Google App Script was developed bt Maycon Maoura based on Barragan source code. (Credits below).
Feel free to use it for your own site just remember to give credit where credit is due.
Developed by Maycon Moura - firstname.lastname@example.org (let me know about errors or bugs)
Big thanks to @barragan at https://goo.gl/klSXo6 who shared his coded and gave me something to base on
This is a open-source code, and anyone can edit or improve it, as long as they credit developer.