From 4fb55ba149c66efe067e584e515b7886d2fd8a00 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=99=88=E5=9B=BD=E4=BC=9F?= <366193849@qq.com>
Date: Mon, 13 Sep 2021 13:11:14 +0800
Subject: [PATCH] =?UTF-8?q?=E8=AF=81=E4=B9=A6=E4=B8=8B=E8=BD=BD?=
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---
 FastGithub/Startup.cs | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/FastGithub/Startup.cs b/FastGithub/Startup.cs
index d57efe7..d4b0d83 100644
--- a/FastGithub/Startup.cs
+++ b/FastGithub/Startup.cs
@@ -1,7 +1,9 @@
 using FastGithub.Configuration;
 using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
+using System.IO;
 using System.Threading.Tasks;
 
 namespace FastGithub
@@ -49,11 +51,21 @@ namespace FastGithub
             app.UseReverseProxy();
 
             app.UseRouting();
-            app.UseEndpoints(endpoint => endpoint.MapFallback(context =>
+            app.UseEndpoints(endpoint =>
             {
-                context.Response.Redirect("https://github.com/dotnetcore/FastGithub");
-                return Task.CompletedTask;
-            }));
+                endpoint.Map("/", async context =>
+                {
+                    var certFile = $"CACert/{nameof(FastGithub)}.cer";
+                    context.Response.ContentType = "application/x-x509-ca-cert";
+                    context.Response.Headers.Add("Content-Disposition", $"attachment;filename={Path.GetFileName(certFile)}");
+                    await context.Response.SendFileAsync(certFile);
+                });
+                endpoint.MapFallback(context =>
+                {
+                    context.Response.Redirect("https://github.com/dotnetcore/FastGithub");
+                    return Task.CompletedTask;
+                });
+            });
         }
     }
 }