/***********************************************************************
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* Project: CoreCms.Net *
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* Web: https://CoreCms.Net *
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* ProjectName: 核心内容管理系统 *
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* Author: 大灰灰 *
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* Email: JianWeie@163.com *
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* Versions: 1.0 *
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* CreateTime: 2020-02-05 19:08:19
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* NameSpace: CoreCms.Net.Framework.Middlewares
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* FileName: ExceptionHandlerMidd
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* ClassDescription:
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***********************************************************************/
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using System;
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using System.Net;
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using System.Threading.Tasks;
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using CoreCms.Net.Loging;
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using CoreCms.Net.Model.ViewModels.UI;
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using Microsoft.AspNetCore.Http;
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using Newtonsoft.Json;
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using NLog;
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namespace CoreCms.Net.Middlewares;
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/// <summary>
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/// 异常错误统一返回记录
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/// </summary>
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public class ExceptionHandlerMiddlewareForAdmin
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{
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private readonly RequestDelegate _next;
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public ExceptionHandlerMiddlewareForAdmin(RequestDelegate next)
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{
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_next = next;
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}
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public async Task Invoke(HttpContext context)
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{
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try
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{
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await _next(context);
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}
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catch (Exception ex)
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{
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await HandleExceptionAsync(context, ex);
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}
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}
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private async Task HandleExceptionAsync(HttpContext context, Exception ex)
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{
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if (ex == null) return;
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NLogUtil.WriteAll(LogLevel.Error, LogType.Web, "全局捕获异常", ex.Message, ex);
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await WriteExceptionAsync(context, ex).ConfigureAwait(false);
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}
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private static async Task WriteExceptionAsync(HttpContext context, Exception e)
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{
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if (e is UnauthorizedAccessException) context.Response.StatusCode = (int)HttpStatusCode.Unauthorized;
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else if (e != null) context.Response.StatusCode = (int)HttpStatusCode.BadRequest;
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context.Response.ContentType = "application/json";
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var jm = new AdminUiCallBack();
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jm.code = 500;
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jm.data = e;
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jm.msg = "全局捕获异常";
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await context.Response.WriteAsync(JsonConvert.SerializeObject(jm)).ConfigureAwait(false);
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}
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}
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