acl-supports.cs

    public enum AclType
    {
        User,
        Group,
        Other,
        Mask
    }
    public enum AclScope
    {
        Access,
        Default
    }

    [FlagsAttribute]
    public enum GrantType : short
    {
        None = 0,
        Read = 1,
        Write = 2,
        Execute = 4
    };

    public class AclEntry
    {
        public AclEntry(AclScope scope, AclType type, string upnOrObjectId, GrantType grant)
        {
            Scope = scope;
            AclType = type;
            UpnOrObjectId = upnOrObjectId;
            Grant = grant;
        }

        public AclScope Scope { get; private set; }
        public AclType AclType { get; private set; }
        public string UpnOrObjectId { get; private set; }
        public GrantType Grant { get; private set; }

        public string GetGrantPosixFormat()
        {
            return $"{(this.Grant.HasFlag(GrantType.Read) ? 'r' : '-')}{(this.Grant.HasFlag(GrantType.Write) ? 'w' : '-')}{(this.Grant.HasFlag(GrantType.Execute) ? 'x' : '-')}";
        }

        public override string ToString()
        {
            return $"{(this.Scope == AclScope.Default ? "default:" : string.Empty)}{this.AclType.ToString().ToLowerInvariant()}:{this.UpnOrObjectId}:{GetGrantPosixFormat()}";
        }
    }