public void add_permissions_to(string path)
{
SecurityIdentifier user = WindowsIdentity.GetCurrent().User;
Path filePath = _path.CombineWithWindowsPath(path);
FileSystemSecurity accessControl = filePath.AccessControl();
accessControl.AddAccessRule(
new FileSystemAccessRule(
user, FileSystemRights.Read, InheritanceFlags.None,
PropagationFlags.None, AccessControlType.Allow)
);
filePath.AccessControl(accessControl);
}