using Microsoft.AspNetCore.Http;
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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.Text;
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using System.Threading.Tasks;
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using WIDESEA_Core.Authorization;
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using WIDESEA_Core.HttpContextUser;
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namespace WIDESEA_Core.Middlewares
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{
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/// <summary>
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/// 中间件
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/// 原做为自定义授权中间件
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/// 先做检查 header token的使用
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/// </summary>
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public class JwtTokenAuthMiddleware
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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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/// <summary>
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///
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/// </summary>
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/// <param name="next"></param>
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public JwtTokenAuthMiddleware(RequestDelegate next)
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{
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_next = next;
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}
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private void PreProceed(HttpContext next)
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{
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//Console.WriteLine($"{DateTime.Now} middleware invoke preproceed");
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//...
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}
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private void PostProceed(HttpContext next)
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{
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//Console.WriteLine($"{DateTime.Now} middleware invoke postproceed");
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//....
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="httpContext"></param>
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/// <returns></returns>
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public Task Invoke(HttpContext httpContext)
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{
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PreProceed(httpContext);
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//检测是否包含'Authorization'请求头
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if (!httpContext.Request.Headers.ContainsKey("Authorization"))
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{
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PostProceed(httpContext);
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return _next(httpContext);
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}
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//var tokenHeader = httpContext.Request.Headers["Authorization"].ToString();
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var tokenHeader = httpContext.Request.Headers["Authorization"].ToString().Replace("Bearer ", "");
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try
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{
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if (tokenHeader.Length >= 128)
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{
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//Console.WriteLine($"{DateTime.Now} token :{tokenHeader}");
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UserInfo tm = JwtHelper.SerializeJwt(tokenHeader);
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//授权
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//var claimList = new List<Claim>();
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//var claim = new Claim(ClaimTypes.Role, tm.Role);
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//claimList.Add(claim);
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//var identity = new ClaimsIdentity(claimList);
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//var principal = new ClaimsPrincipal(identity);
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//httpContext.User = principal;
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}
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}
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catch (Exception e)
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{
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Console.WriteLine($"{DateTime.Now} middleware wrong:{e.Message}");
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}
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PostProceed(httpContext);
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return _next(httpContext);
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}
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}
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}
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