CWebDavTools::allowUseExtServiceLocal

static function allowUseExtServiceLocal()
{
	static $isAllow = null;
	if($isAllow === null)
	{
		$isAllow = 'Y' == COption::GetOptionString('webdav', static::OPT_ALLOW_EXT_DOC_SERVICES_LOCAL, CWebDavIblock::resolveDefaultUseExtServices());
	}
	return $isAllow;
}