Zip as a stream in NancyFX

LogZipResponse.cs

public class LogZipResponse : Response
{
    public LogZipResponse ()
    {
        this.Contents = GetLogZip();
        this.ContentType = "application/x-zip-compressed";
        this.StatusCode = HttpStatusCode.OK;
    }

    private Action<Stream> GetLogZip()
    {
        return stream =>
        {
            using (ZipFile logZip = new ZipFile())
            {
                logZip.AddDirectory("/var/log");
                logZip.Save(stream);
            }
        };
    }
}

ZipModule.cs

public class ZipModule : NancyModule
{
    public ZipModule()
    {
        Get["/logs"] = _ =>
        {
            var filename = String.Format("logs-{0}.zip", DateTime.Now.ToUnixTimestamp());
            return new LogZipResponse().AsAttachment(filename);
        };
    }
}