PHP code example of grom / facebook-service-provider

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

grom / facebook-service-provider example snippets

use Silex\Provider\FacebookServiceProvider;

$app->register(new FacebookServiceProvider(), array(
    'facebook.config' => array(
        'appId'      => 'YOUR_APP_ID',
        'secret'     => 'YOUR_APP_SECRET',
        'fileUpload' => false, // optional
    ),
    'facebook.permissions' => array('email'),
));

$app['security.firewalls'] = array(
    'private' => array(
        'pattern' => '^/',
        'facebook' => array(
            'check_path' => '/login_check',
            'login_path' => '/login',
        ),
        // Users are identified by their Facebook UID
        'users' => array(
            // This is Mark Zuckerberg
            '4' => array('ROLE_USER', null),
        ),
    ),
);

use FOS\FacebookBundle\Security\User\UserManagerInterface as FacebookUserProviderInterface;
use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Component\Security\Core\User\User;
use Symfony\Component\Security\Core\Exception\UnsupportedUserException;
use Symfony\Component\Security\Core\Exception\UsernameNotFoundException;
use Doctrine\DBAL\Connection;

class FacebookUserProvider implements FacebookUserProviderInterface
{
    private $conn;

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

    public function loadUserByUsername($uid)
    {
        $stmt = $this->conn->executeQuery('SELECT * FROM users WHERE username = ?', array($uid));

        if (!$user = $stmt->fetch()) {
            throw new UsernameNotFoundException(sprintf('Facebook UID "%s" does not exist.', $uid));
        }

        return new User($user['username'], null, explode(',', $user['roles']), true, true, true, true);
    }

    public function refreshUser(UserInterface $user)
    {
        if (!$user instanceof User) {
            throw new UnsupportedUserException(sprintf('Instances of "%s" are not supported.', get_class($user)));
        }

        return $this->loadUserByUsername($user->getUsername());
    }

    public function createUserFromUid($uid)
    {
        $this->conn->insert('users', array(
            'username' => $uid,
            'roles'    => 'ROLE_USER',
        ));

        return $this->loadUserByUsername($uid);
    }

    public function supportsClass($class)
    {
        return $class === 'Symfony\Component\Security\Core\User\User';
    }
}

$app['security.firewalls'] = array(
    'default' => array(
        'facebook' => array(
        ),
        'users' => $app->share(function () use ($app) {
            return new FacebookUserProvider($app['db']);
        }),
    ),
);

$app->get('/', function () use ($app) {
    $user = $app['facebook']->api('/me');

    return 'Welcome ' . $user['name'];
});