From 6a42d312f62fd1ba45b2ffda559fbcb31b075c74 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Fri, 12 Feb 2021 14:56:46 +0900
Subject: [PATCH] Match using EndsWith to ignore protocol (and allow http)

---
 osu.Game/Online/Chat/MessageFormatter.cs | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/osu.Game/Online/Chat/MessageFormatter.cs b/osu.Game/Online/Chat/MessageFormatter.cs
index 8673d73be7..d8e02e5b6d 100644
--- a/osu.Game/Online/Chat/MessageFormatter.cs
+++ b/osu.Game/Online/Chat/MessageFormatter.cs
@@ -52,7 +52,14 @@ namespace osu.Game.Online.Chat
         /// <summary>
         /// The root URL for the website, used for chat link matching.
         /// </summary>
-        public static string WebsiteRootUrl { get; set; } = "https://osu.ppy.sh";
+        public static string WebsiteRootUrl
+        {
+            set => websiteRootUrl = value
+                                    .Trim('/') // trim potential trailing slash/
+                                    .Split('/').Last(); // only keep domain name, ignoring protocol.
+        }
+
+        private static string websiteRootUrl;
 
         private static void handleMatches(Regex regex, string display, string link, MessageFormatterResult result, int startIndex = 0, LinkAction? linkActionOverride = null, char[] escapeChars = null)
         {
@@ -124,7 +131,7 @@ namespace osu.Game.Online.Chat
                 case "http":
                 case "https":
                     // length > 3 since all these links need another argument to work
-                    if (args.Length > 3 && url.StartsWith(WebsiteRootUrl, StringComparison.OrdinalIgnoreCase))
+                    if (args.Length > 3 && args[1].EndsWith(websiteRootUrl, StringComparison.OrdinalIgnoreCase))
                     {
                         switch (args[2])
                         {