33 lines
1.0 KiB
C#
33 lines
1.0 KiB
C#
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using Nancy;
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using Nancy.Bootstrapper;
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using NzbDrone.Api.Frontend;
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namespace NzbDrone.Api.Extensions.Pipelines
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{
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public class IfModifiedPipeline : IRegisterNancyPipeline
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{
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private readonly ICacheableSpecification _cacheableSpecification;
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public IfModifiedPipeline(ICacheableSpecification cacheableSpecification)
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{
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_cacheableSpecification = cacheableSpecification;
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}
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public void Register(IPipelines pipelines)
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{
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pipelines.BeforeRequest.AddItemToStartOfPipeline(Handle);
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}
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private Response Handle(NancyContext context)
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{
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if (_cacheableSpecification.IsCacheable(context) && context.Request.Headers.IfModifiedSince.HasValue)
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{
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var response = new Response { ContentType = MimeTypes.GetMimeType(context.Request.Path), StatusCode = HttpStatusCode.NotModified };
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response.Headers.EnableCache();
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return response;
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}
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return null;
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}
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}
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}
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