AcoustID.Web.WebHelper.CreateHttpClient C# (CSharp) Method

        public static HttpClient CreateHttpClient(bool automaticDecompression = true)
        {
            var proxy = Configuration.Proxy;

            var handler = new HttpClientHandler();

            if (proxy != null)
            {
                handler.Proxy = proxy;
                handler.UseProxy = true;
            }

            if (automaticDecompression)
            {
                handler.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
            }

            var client = new HttpClient(handler);

            client.DefaultRequestHeaders.Add("User-Agent", Configuration.UserAgent);

            return client;
        }

        public static async Task <string> SendPost(string url, Stream body, bool useCompression)
        {
            var client = WebHelper.CreateHttpClient();

            // The stream to hold the content bytes (gzipped or not).
            Stream stream;

            int size = (int)body.Length;

            useCompression &= (size > COMPRESSION_THRESHOLD);

            if (useCompression)
            {
                stream = new MemoryStream();

                // Create gzip stream.
                using (var gzip = new GZipStream(stream, CompressionMode.Compress, true))
                {
                    body.CopyTo(gzip);
                }

                // Reset stream position.
                stream.Seek(0L, SeekOrigin.Begin);
            }
            else
            {
                stream = body;
            }

            var content = new StreamContent(stream);

            content.Headers.ContentType   = new MediaTypeHeaderValue("application/x-www-form-urlencoded");
            content.Headers.ContentLength = stream.Length;

            if (useCompression)
            {
                content.Headers.ContentEncoding.Add("gzip");
            }

            var response = await client.PostAsync(url, content);

            if (useCompression)
            {
                // Don't forget to dispose of the memory stream.
                stream.Dispose();
            }

            return(await response.Content.ReadAsStringAsync());
        }