GitHub OAuth + API test

php-github.php

<?php

class GitHubAuth
{
    const AUTH_URL = 'https://github.com/login/oauth/authorize';
    const ACCESS_TOKEN_URL = 'https://github.com/login/oauth/access_token';

    private $app_id;
    private $app_secret;

    public function __construct($app_id, $app_secret)
    {
        $this->app_id = $app_id;
        $this->app_secret = $app_secret;
        $this->redirect_uri = $redirect_uri;
    }

    public function authorize($redirect_uri)
    {
        $url = self::AUTH_URL.'?client_id='.urlencode($this->app_id).'&redirect_uri='.urlencode($redirect_uri);
        $this->redirectTo($url);
    }

    public function exchange_access_token($code, $redirect_uri)
    {
        $url = self::ACCESS_TOKEN_URL.
                '?client_id='.urlencode($this->app_id).
                '&redirect_uri='.urlencode($redirect_uri).
                '&client_secret='.urlencode($this->app_secret).
                '&code='.urlencode($code);

        $response = file_get_contents($url);
        $pieces = explode('=', $response, 2);

        return $pieces[1];
    }
}


class GitHub
{
    const API_URL = 'https://github.com/api/v2/json';

    private $access_token;

    public function __construct($access_token)
    {
        $this->access_token = $access_token;
    }

    public function userInfo($user = null)
    {
        $url = self::API_URL.'/user/show'.(null === $user ? '' : '/'.$user).'?access_token='.urlencode($this->access_token);
        $response = file_get_contents($url);

        $data = json_decode($response);

        return $data;
    }
}