DropboxHandler::checkAccessibleTokenService

public function checkAccessibleTokenService()
{
	if(!Loader::includeModule('socialservices'))
	{
		$this->errorCollection->add(array(new Error(Loc::getMessage('DISK_DROPBOX_HANDLER_ERROR_NOT_INSTALLED_SOCSERV'), self::ERROR_NOT_INSTALLED_SOCSERV)));
		return false;
	}
	$authManager = new CSocServAuthManager();
	$socNetServices = $authManager->getActiveAuthServices(array());

	return !empty($socNetServices[CSocServDropboxAuth::ID]);
}