48 lines
1.6 KiB
C#
48 lines
1.6 KiB
C#
using System.IO;
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using System.IO.Compression;
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using System.Linq;
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using Nancy;
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using Nancy.Bootstrapper;
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namespace NzbDrone.Api.Extensions.Pipelines
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{
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public class GzipCompressionPipeline : IRegisterNancyPipeline
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{
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public void Register(IPipelines pipelines)
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{
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pipelines.AfterRequest.AddItemToEndOfPipeline(c => CompressResponse(c.Request, c.Response));
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}
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private Response CompressResponse(Request request, Response response)
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{
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if (!response.ContentType.Contains("image")
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&& request.Headers.AcceptEncoding.Any(x => x.Contains("gzip"))
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&& (!response.Headers.ContainsKey("Content-Encoding") || response.Headers["Content-Encoding"] != "gzip"))
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{
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var data = new MemoryStream();
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response.Contents.Invoke(data);
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data.Position = 0;
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if (data.Length < 1024)
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{
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response.Contents = stream =>
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{
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data.CopyTo(stream);
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stream.Flush();
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};
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}
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else
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{
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response.Headers["Content-Encoding"] = "gzip";
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response.Contents = s =>
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{
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var gzip = new GZipStream(s, CompressionMode.Compress, true);
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data.CopyTo(gzip);
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gzip.Close();
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};
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}
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}
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return response;
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}
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}
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} |