From 8aeb1421984c291fcd18460a6d5eb41c3bb0475b Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Mon, 10 May 2021 21:45:24 +0900
Subject: [PATCH] [Modify] Add it

---
 websocket-sharp/Net/HttpListenerContext.cs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/websocket-sharp/Net/HttpListenerContext.cs b/websocket-sharp/Net/HttpListenerContext.cs
index 3de938d2..d561adef 100644
--- a/websocket-sharp/Net/HttpListenerContext.cs
+++ b/websocket-sharp/Net/HttpListenerContext.cs
@@ -252,6 +252,18 @@ namespace WebSocketSharp.Net
       return _listener.RegisterContext (this);
     }
 
+    internal void SendAuthenticationChallenge (
+      AuthenticationSchemes scheme, string realm
+    )
+    {
+      var chal = new AuthenticationChallenge (scheme, realm).ToString ();
+
+      _response.StatusCode = 401;
+      _response.Headers.InternalSet ("WWW-Authenticate", chal, true);
+
+      _response.Close ();
+    }
+
     internal void SendError ()
     {
       try {