From ae78c13684b74d6433492e792edd38600e48bfa8 Mon Sep 17 00:00:00 2001
From: Huo Yaoyuan <huoyaoyuan@hotmail.com>
Date: Tue, 5 Mar 2024 20:44:32 +0800
Subject: [PATCH] Use Environment.IsPrivilegedProcess

---
 .../Security/ElevatedPrivilegesChecker.cs     | 37 +------------------
 osu.Desktop/osu.Desktop.csproj                |  1 -
 2 files changed, 1 insertion(+), 37 deletions(-)

diff --git a/osu.Desktop/Security/ElevatedPrivilegesChecker.cs b/osu.Desktop/Security/ElevatedPrivilegesChecker.cs
index 666573365606..0bed9830dfd8 100644
--- a/osu.Desktop/Security/ElevatedPrivilegesChecker.cs
+++ b/osu.Desktop/Security/ElevatedPrivilegesChecker.cs
@@ -2,7 +2,6 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
-using System.Security.Principal;
 using osu.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
@@ -21,48 +20,14 @@ public partial class ElevatedPrivilegesChecker : Component
         [Resolved]
         private INotificationOverlay notifications { get; set; } = null!;
 
-        private bool elevated;
-
-        [BackgroundDependencyLoader]
-        private void load()
-        {
-            elevated = checkElevated();
-        }
-
         protected override void LoadComplete()
         {
             base.LoadComplete();
 
-            if (elevated)
+            if (Environment.IsPrivilegedProcess)
                 notifications.Post(new ElevatedPrivilegesNotification());
         }
 
-        private bool checkElevated()
-        {
-            try
-            {
-                switch (RuntimeInfo.OS)
-                {
-                    case RuntimeInfo.Platform.Windows:
-                        if (!OperatingSystem.IsWindows()) return false;
-
-                        var windowsIdentity = WindowsIdentity.GetCurrent();
-                        var windowsPrincipal = new WindowsPrincipal(windowsIdentity);
-
-                        return windowsPrincipal.IsInRole(WindowsBuiltInRole.Administrator);
-
-                    case RuntimeInfo.Platform.macOS:
-                    case RuntimeInfo.Platform.Linux:
-                        return Mono.Unix.Native.Syscall.geteuid() == 0;
-                }
-            }
-            catch
-            {
-            }
-
-            return false;
-        }
-
         private partial class ElevatedPrivilegesNotification : SimpleNotification
         {
             public override bool IsImportant => true;
diff --git a/osu.Desktop/osu.Desktop.csproj b/osu.Desktop/osu.Desktop.csproj
index e7a63bd921a9..acb53835a31f 100644
--- a/osu.Desktop/osu.Desktop.csproj
+++ b/osu.Desktop/osu.Desktop.csproj
@@ -24,7 +24,6 @@
   </ItemGroup>
   <ItemGroup Label="Package References">
     <PackageReference Include="Clowd.Squirrel" Version="2.11.1" />
-    <PackageReference Include="Mono.Posix.NETStandard" Version="1.0.0" />
     <PackageReference Include="System.IO.Packaging" Version="8.0.0" />
     <PackageReference Include="DiscordRichPresence" Version="1.2.1.24" />
   </ItemGroup>