# Log in with facebook (but no facebook app)

**URL:** <https://www.ruby-forum.com/t/log-in-with-facebook-but-no-facebook-app/151376>\
**Category:** Rails\
**Created:** [October 20, 2008, 8:36pm UTC](https://www.ruby-forum.com/t/log-in-with-facebook-but-no-facebook-app/151376 "2008-10-20T20:36:41Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![max](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/e5b9ba/32.png) [@max](https://www.ruby-forum.com/u/max)\
**Post date:** [October 20, 2008, 8:36pm UTC](https://www.ruby-forum.com/t/log-in-with-facebook-but-no-facebook-app/151376/1 "2008-10-20T20:36:41Z")

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Is it possible to use rfacebook or facebooker to make an existing  
rails app authenticate a user through facebook? Instead of having a  
user register, etc can they just use their facebook info and log in?  
also, get their friends, etc.?