Asp.Net Core 中间件记录Http请求内容和响应

    /// 

    /// 记录请求响应中间件
    /// 
    public class RequestResponseLogMiddleware
    {

        private readonly RequestDelegate _next;

        /// 

        /// 构造函数
        /// 
        /// 
        public RequestResponseLogMiddleware(RequestDelegate next)
        {
            _next = next;
        }

        /// 

        /// 中间件处理
        /// 
        /// 
        /// 
        /// 
        public async Task InvokeAsync(HttpContext context, IRepository repo)
        {
        	// 启用缓冲
            context.Request.EnableBuffering();

            #region Request

            var request = context.Request;

            // var controllerActionDescriptor = context.GetEndpoint().metadata.Getmetadata();
            // var controllerName = controllerActionDescriptor.ControllerName;
            // var actionName = controllerActionDescriptor.ActionName;

            var url = request.Path.Value + request.QueryString.Value;
            if (request.Routevalues.Count == 0) return;

            var stream = request.Body;
            stream.Seek(0, SeekOrigin.Begin);

            var bytes = new byte[request.ContentLength.Value];
            stream.Read(bytes, 0, bytes.Length);
            log.RequestBody = Encoding.UTF8.GetString(bytes);

            stream.Seek(0, SeekOrigin.Begin);

            #endregion
			
			#region Response			

			var originalBodyStream = context.Response.Body;
			
			using (var responseBody = new MemoryStream())
	        {
	            context.Response.Body = responseBody;
	
	            await _next(context);
				
	            responseBody.Seek(0, SeekOrigin.Begin);
				
				string responseBody = await new StreamReader(responseBody).ReadToEndAsync();
			
				responseBody.Seek(0, SeekOrigin.Begin);
	
	            await responseBody.CopyToAsync(originalBodyStream);
	        }
	        
	        #endregion
        }

    }

public void Configure(IApplicationBuilder app)
        {
            // 省略内容

            app.UseMiddleware();

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllers();
            });
        }