<?php
/**
 * Adapted from Oauth2-server-php cookbook
 * @see http://bshaffer.github.io/oauth2-server-php-docs/cookbook/
 */
// Include database configuration
require_once('config_db.php');

// Autoloading (composer is preferred, but for this example let's just do this)
require_once('OAuth2/Autoloader.php');
OAuth2\Autoloader::register();

//$dsn is the Data Source Name for your database, for exmaple "mysql:dbname=my_oauth2_db;host=localhost"
$storage = new OAuth2\Storage\Pdo(array('dsn' => $dsn, 'username' => $db_user, 'password' => $db_pass));

// Pass a storage object or array of storage objects to the OAuth2 server class
$server = new OAuth2\Server($storage);

// Add the "Authorization Code" grant type (this is where the oauth magic happens)
$server->addGrantType(new OAuth2\GrantType\AuthorizationCode($storage));