public function processRegistration($post_data, &$remember)
{
$remember = $this->remember;
$facebook = new Facebook(array('appId' => $this->appID, 'secret' => $this->secret, 'cookie' => true));
$session = $facebook->getSession();
if (!$session) {
return null;
}
try {
$fbuser = $facebook->getUser();
} catch (FacebookApiException $e) {
error_log("Can't get Facebook user");
return null;
}
$errors = array();
if (is_int($fbuser)) {
$errors['fbuserid'][] = 'No Facebook id is passed';
throw new InputValidationException('No facebook user id', 0, $errors);
}
// checking if user with this Facebook ID already exists and if so, then logs them in
$existing_user = User::getUserByFacebookID($fbuser);
if (!is_null($existing_user)) {
$existing_user->recordActivity(USERBASE_ACTIVITY_LOGIN_FB);
return $existing_user;
}
try {
$me = $facebook->api('/me');
} catch (FacebookApiException $e) {
error_log("Can't get /me API data");
return null;
}
if (array_key_exists('name', $me)) {
$name = $me['name'];
} else {
$errors['username'][] = "User doesn't have a name";
}
if (count($errors) > 0) {
throw new ExistingUserException('User already exists', 0, $errors);
}
// ok, let's create a user
$user = User::createNewFacebookUser($name, $fbuser, $me);
$user->recordActivity(USERBASE_ACTIVITY_REGISTER_FB);
return $user;
}