CASCExplorer.SyncDownloader.OpenFile C# (CSharp) Method

        public MemoryStream OpenFile(string url)
        {
            HttpWebRequest request = WebRequest.CreateHttp(url);

            using (HttpWebResponse resp = (HttpWebResponse)request.GetResponseAsync().Result)
            using (Stream stream = resp.GetResponseStream())
            {
                MemoryStream ms = new MemoryStream();

                CopyToStream(stream, ms, resp.ContentLength);

                ms.Position = 0;
                return ms;
            }
        }

        private void DownloadIndexFile(string archive, int i)
        {
            try
            {
                string file = CASCConfig.CDNPath + "/data/" + archive.Substring(0, 2) + "/" + archive.Substring(2, 2) + "/" + archive + ".index";
                string url  = "http://" + CASCConfig.CDNHost + "/" + file;

                Stream stream = Cache.OpenFile(file, url, false);

                if (stream != null)
                {
                    ParseIndex(stream, i);
                }
                else
                {
                    using (var fs = downloader.OpenFile(url))
                        ParseIndex(fs, i);
                }
            }
            catch
            {
                throw new Exception("DownloadFile failed!");
            }
        }