From a6a8b091cb6d6240b4aba17f5564e0cf5cbe5940 Mon Sep 17 00:00:00 2001
From: Kexy Biscuit <kexybiscuit@outlook.com>
Date: Wed, 16 Oct 2019 00:19:21 +0800
Subject: [PATCH 1/2] Format the proxy host name used in GfwListUpdater.

Directly create a WebProxy with IPAddress.IPv6Loopback.ToString() throws UriFormatException. Format the proxy host name to satisfy WebProxy.
---
 shadowsocks-csharp/Controller/Service/GfwListUpdater.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/shadowsocks-csharp/Controller/Service/GfwListUpdater.cs b/shadowsocks-csharp/Controller/Service/GfwListUpdater.cs
index d6f77345f..376b43a3c 100644
--- a/shadowsocks-csharp/Controller/Service/GfwListUpdater.cs
+++ b/shadowsocks-csharp/Controller/Service/GfwListUpdater.cs
@@ -94,7 +94,9 @@ public void UpdatePACFromGFWList(Configuration config)
             if (config.enabled)
             {
                 http.Proxy = new WebProxy(
-                    config.isIPv6Enabled ? IPAddress.IPv6Loopback.ToString() : IPAddress.Loopback.ToString(), 
+                    config.isIPv6Enabled
+                    ? $"http://[{IPAddress.IPv6Loopback.ToString()}]"
+                    : $"http://{IPAddress.Loopback.ToString()}",
                     config.localPort);
             }
             http.DownloadStringCompleted += http_DownloadStringCompleted;

From e2f1564b6df1c4da2fd5f1478bb51eda5c47cb0e Mon Sep 17 00:00:00 2001
From: Kexy Biscuit <kexybiscuit@outlook.com>
Date: Wed, 16 Oct 2019 01:02:25 +0800
Subject: [PATCH 2/2] Remove http:// part in proxy host name.

Microsoft Docs is misleading, as always. dotnet/samples#1644
---
 shadowsocks-csharp/Controller/Service/GfwListUpdater.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/shadowsocks-csharp/Controller/Service/GfwListUpdater.cs b/shadowsocks-csharp/Controller/Service/GfwListUpdater.cs
index 376b43a3c..3520014fd 100644
--- a/shadowsocks-csharp/Controller/Service/GfwListUpdater.cs
+++ b/shadowsocks-csharp/Controller/Service/GfwListUpdater.cs
@@ -95,8 +95,8 @@ public void UpdatePACFromGFWList(Configuration config)
             {
                 http.Proxy = new WebProxy(
                     config.isIPv6Enabled
-                    ? $"http://[{IPAddress.IPv6Loopback.ToString()}]"
-                    : $"http://{IPAddress.Loopback.ToString()}",
+                    ? $"[{IPAddress.IPv6Loopback.ToString()}]"
+                    : IPAddress.Loopback.ToString(),
                     config.localPort);
             }
             http.DownloadStringCompleted += http_DownloadStringCompleted;