using Microsoft.AspNetCore.Http;
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using Microsoft.Extensions.Logging;
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using Newtonsoft.Json;
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using Org.BouncyCastle.Asn1.Ocsp;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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using WIDESEA_Core.Helper;
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using WIDESEA_Core.LogHelper;
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namespace WIDESEA_Core.Middlewares
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{
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/// <summary>
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/// 记录请求和响应数据
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/// </summary>
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public class ApiLogMiddleware
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{
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/// <summary>
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///
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/// </summary>
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private readonly RequestDelegate _next;
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public ApiLogMiddleware(RequestDelegate next, ILogger<ApiLogMiddleware> logger)
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{
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_next = next;
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}
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//todo
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public async Task InvokeAsync(HttpContext context)
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{
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if (App.ExpDateTime != null && (DateTime.Now - App.ExpDateTime.GetValueOrDefault()).TotalSeconds > 0)
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{
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context.Response.StatusCode = HttpStatusCode.InternalServerError.ObjToInt();
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context.Response.ContentType = "application/json";
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var json = new WebResponseContent();
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json.Message = HttpStatusCode.InternalServerError.ToString();//错误信息
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json.Code = 500;//500异常
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StreamWriter streamWriter = new StreamWriter(context.Response.Body);
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await streamWriter.WriteAsync(json.Serialize());
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return;
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}
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// 过滤，只有接口
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if (context.Request.Path.Value?.Contains("api") ?? false)
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{
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context.Request.EnableBuffering();
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Stream originalBody = context.Response.Body;
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string requestParam = string.Empty;
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string responseParam = string.Empty;
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try
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{
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(context.RequestServices.GetService(typeof(RequestLogModel)) as RequestLogModel).RequestDate = DateTime.Now;
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try
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{
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// 存储请求数据
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requestParam = RequestDataLog(context);
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context.Request.Body.Position = 0;
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}
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catch { }
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using MemoryStream ms = new();
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context.Response.Body = ms;
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await _next(context);
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try
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{
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// 存储响应数据
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responseParam = ResponseDataLog(context.Response);
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}
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catch { }
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ms.Position = 0;
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await ms.CopyToAsync(originalBody);
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if (!((context.Request.Path.Value?.Contains("get")) ?? true) && !((context.Request.Path.Value?.Contains("Get")) ?? true) && !((context.Request.Path.Value?.Contains("query")) ?? true) && !((context.Request.Path.Value?.Contains("Query")) ?? true) && !((context.Request.Path.Value?.Contains("DownLoadApp")) ?? true) && !((context.Request.Path.Value?.Contains("downLoadApp")) ?? true) && !((context.Request.Path.Value?.Contains("UploadApp")) ?? true) && !((context.Request.Path.Value?.Contains("uploadApp")) ?? true))
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Logger.Add(requestParam, responseParam);
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}
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catch (Exception ex)
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{
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// 记录异常
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}
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finally
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{
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context.Response.Body = originalBody;
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}
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}
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else
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{
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await _next(context);
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}
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}
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private string RequestDataLog(HttpContext context)
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{
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var request = context.Request;
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var sr = new StreamReader(request.Body);
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object obj;
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string bodyData = sr.ReadToEndAsync().Result;
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if (request.ContentLength <= 100000)
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{
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obj = new
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{
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QueryString = request.QueryString.ToString(),
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BodyData = bodyData
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};
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}
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else
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{
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obj = new
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{
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QueryString = request.QueryString.ToString(),
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BodyData = ""
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};
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}
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string data = JsonConvert.SerializeObject(obj);
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request.Body.Position = 0;
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return data;
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}
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private string ResponseDataLog(HttpResponse response)
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{
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if (response.ContentLength <= 100000)
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{
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response.Body.Position = 0;
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using StreamReader stream = new StreamReader(response.Body, leaveOpen: true);
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string body = stream.ReadToEnd();
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response.Body.Position = 0;
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return body;
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}
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return "";
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}
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}
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}
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