I have a project where I'm supposed to integrate Facebook Login & Twitter Login buttons using CodeIgniter, I was wondering what would be the best approach? As this project requires more Social Login buttons in the future (like LinkedIn , Google , etc).
I heared of OpenID & JanRain.
You can use Phil Sturgeon's Oauth/Oauth v2 Codeigniter libraries.
- https://github.com/philsturgeon/codeigniter-oauth
- https://github.com/philsturgeon/codeigniter-oauth2
Oauth v2 is the way to go. Much easier and cleaner to use. Currently it supports:
- Foursquare
- GitHub
- PayPal
- Soundcloud
- Windows Live
- YouTube
Oauth v1 is a P.I.T.A to use, but I'm afraid some popular social websites don't provide an Oauth v2 API yet
来源：https://stackoverflow.com/questions/12131208/social-authentication-with-codeigniter