50 lines
1.6 KiB
C#
50 lines
1.6 KiB
C#
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using Microsoft.AspNetCore.Http;
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using System;
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using System.IO;
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namespace VOL.Core.Middleware
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{
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public class HttpRequestMiddleware
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{
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public static Func<RequestDelegate, RequestDelegate> Context
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{
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get
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{
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return next => async context =>
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{
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//动态标识刷新token(2021.05.01)
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context.Response.Headers.Add("Access-Control-Expose-Headers", "vol_exp");
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var stream = context.Request.Body;
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if (stream == Stream.Null || stream.CanSeek)
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{
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await next(context);
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return;
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}
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try
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{
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using (var buffer = new MemoryStream())
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{
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// Copy the request stream to the memory stream.
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await stream.CopyToAsync(buffer);
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// Rewind the memory stream.
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buffer.Position = 0L;
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// Replace the request stream by the memory stream.
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context.Request.Body = buffer;
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// Invoke the rest of the pipeline.
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await next(context);
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}
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}
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finally
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{
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// Restore the original stream.
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context.Request.Body = stream;
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}
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};
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}
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}
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}
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}
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