DropboxHandler::queryAccessToken

public function queryAccessToken()
{
	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;
	}

	$dropboxOAuth = new CSocServDropboxAuth($this->userId);
	//this bug. SocServ fill entityOAuth in method getUrl.....
	$dropboxOAuth->getUrl('modal');
	$this->accessToken = $dropboxOAuth->getStorageToken();

	return $this;
}