Facebook oAuth Library for CodeIgniter

I simply didn't want a huge library just to get facebook oAuth token, so I rolled my own. Is written for CI v2.x and Web Applications using facebook.

HOW 2 USE:

1. Copy libraries/FB.php to your CI/application/libraries/FB.php

2. Copy config/fb.php to your CI/application/config/fb.php

3. Open CI/application/config/fb.php and give it your FB App's ID, Secret key and permissions your App requires.

4. Finally to generate a token follow these steps:

    a. Display a link for users to click and authorize your app:
    		$this->load->library('FB');
    		$this->fb->get_auth_url( 'your_sites_redirect_url' );
    		
    b. Call $this->fb->generate_token(); on the redirect url you given above;
    
    c. Finally get token by $this->fb->get_token();
    		Save this token somewhere for future use.