From fb1fe3e40fc6ac63bdf99c1e707bddac84bbb861 Mon Sep 17 00:00:00 2001
From: qhy040404 <qhy040404@163.com>
Date: Sat, 27 Jan 2024 00:38:41 +0800
Subject: [PATCH] add loopback status

---
 .../Snap.Hutao/Control/Theme/Uri.xaml         |  1 +
 .../Core/IO/Http/Loopback/LoopbackManager.cs  | 79 ++++++++++++++++
 .../Snap.Hutao/Resource/Localization/SH.resx  | 12 +++
 .../Snap.Hutao/View/Page/FeedbackPage.xaml    | 89 +++++++++++--------
 .../ViewModel/Feedback/FeedbackViewModel.cs   | 20 +++++
 src/Snap.Hutao/Snap.Hutao/Win32/AdvApi32.cs   |  4 +
 6 files changed, 170 insertions(+), 35 deletions(-)
 create mode 100644 src/Snap.Hutao/Snap.Hutao/Core/IO/Http/Loopback/LoopbackManager.cs

diff --git a/src/Snap.Hutao/Snap.Hutao/Control/Theme/Uri.xaml b/src/Snap.Hutao/Snap.Hutao/Control/Theme/Uri.xaml
index a73bbbae..d6789e48 100644
--- a/src/Snap.Hutao/Snap.Hutao/Control/Theme/Uri.xaml
+++ b/src/Snap.Hutao/Snap.Hutao/Control/Theme/Uri.xaml
@@ -4,6 +4,7 @@
     <x:String x:Key="DocumentLink_Home">https://hut.ao</x:String>
     <x:String x:Key="DocumentLink_MhyAccountSwitch">https://hut.ao/features/mhy-account-switch.html</x:String>
     <x:String x:Key="DocumentLink_Translate">https://translate.hut.ao</x:String>
+    <x:String x:Key="DocumentLink_Loopback">https://hut.ao/zh/advanced/FAQ.html#%E5%A6%82%E4%BD%95%E9%80%9A%E8%BF%87%E7%BD%91%E7%BB%9C%E4%BB%A3%E7%90%86%E4%BD%BF%E7%94%A8%E8%83%A1%E6%A1%83%E5%B7%A5%E5%85%B7%E7%AE%B1</x:String>
 
     <!--  Other  -->
     <x:String x:Key="HolographicHat_GetToken_Release">https://github.com/HolographicHat/GetToken/releases/latest</x:String>
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/IO/Http/Loopback/LoopbackManager.cs b/src/Snap.Hutao/Snap.Hutao/Core/IO/Http/Loopback/LoopbackManager.cs
new file mode 100644
index 00000000..6a109dc2
--- /dev/null
+++ b/src/Snap.Hutao/Snap.Hutao/Core/IO/Http/Loopback/LoopbackManager.cs
@@ -0,0 +1,79 @@
+// Copyright (c) DGP Studio. All rights reserved.
+// Licensed under the MIT license.
+
+using CommunityToolkit.Mvvm.ComponentModel;
+using Snap.Hutao.Win32.Foundation;
+using Snap.Hutao.Win32.NetworkManagement.WindowsFirewall;
+using Snap.Hutao.Win32.Security;
+using static Snap.Hutao.Win32.AdvApi32;
+using static Snap.Hutao.Win32.ApiMsWinNetIsolation;
+
+namespace Snap.Hutao.Core.IO.Http.Loopback;
+
+[Injection(InjectAs.Singleton)]
+internal sealed unsafe class LoopbackManager : ObservableObject, IDisposable
+{
+    private readonly INET_FIREWALL_APP_CONTAINER* pContainers;
+    private readonly INET_FIREWALL_APP_CONTAINER* pHutaoContainer;
+
+    private readonly RuntimeOptions runtimeOptions;
+    private readonly ITaskContext taskContext;
+
+
+    public LoopbackManager(IServiceProvider serviceProvider)
+    {
+        runtimeOptions = serviceProvider.GetRequiredService<RuntimeOptions>();
+        taskContext = serviceProvider.GetRequiredService<ITaskContext>();
+
+        NetworkIsolationEnumAppContainers(NETISO_FLAG.NETISO_FLAG_MAX, out uint acCount, out pContainers);
+        for (uint i = 0; i < acCount; i++)
+        {
+            INET_FIREWALL_APP_CONTAINER* pContainer = pContainers + i;
+            if (new string(pContainer->appContainerName) == runtimeOptions.FamilyName)
+            {
+                pHutaoContainer = pContainer;
+                break;
+            }
+        }
+
+        NetworkIsolationGetAppContainerConfig(out uint accCount, out SID_AND_ATTRIBUTES* pSids);
+        for (uint i = 0; i < accCount; i++)
+        {
+            if (EqualSid(new PSID { Value = pHutaoContainer->appContainerSid }, (pSids + i)->Sid))
+            {
+                IsLoopbackEnabled = true;
+                break;
+            }
+        }
+    }
+
+    public bool IsLoopbackEnabled { get; private set; }
+
+    public void EnableLoopback()
+    {
+        List<SID_AND_ATTRIBUTES> sids = [];
+
+        NetworkIsolationGetAppContainerConfig(out uint accCount, out SID_AND_ATTRIBUTES* pSids);
+        for (uint i = 0; i < accCount; i++)
+        {
+            sids.Add(*(pSids + i));
+        }
+
+        sids.Add(new SID_AND_ATTRIBUTES
+        {
+            Sid = new PSID { Value = pHutaoContainer->appContainerSid },
+            Attributes = 0,
+        });
+
+        NetworkIsolationSetAppContainerConfig(sids.ToArray());
+
+        IsLoopbackEnabled = true;
+
+        taskContext.InvokeOnMainThread(() => OnPropertyChanged(nameof(IsLoopbackEnabled)));
+    }
+
+    public void Dispose()
+    {
+        _ = NetworkIsolationFreeAppContainers(pContainers);
+    }
+}
diff --git a/src/Snap.Hutao/Snap.Hutao/Resource/Localization/SH.resx b/src/Snap.Hutao/Snap.Hutao/Resource/Localization/SH.resx
index 7ad45dfa..10abdd1b 100644
--- a/src/Snap.Hutao/Snap.Hutao/Resource/Localization/SH.resx
+++ b/src/Snap.Hutao/Snap.Hutao/Resource/Localization/SH.resx
@@ -1187,6 +1187,12 @@
   <data name="ViewDialogDailyNoteWebhookUrlTitle" xml:space="preserve">
     <value>实时便笺 Webhook Url</value>
   </data>
+  <data name="ViewDialogFeedbackEnableLoopbackContent" xml:space="preserve">
+    <value>解除限制后需要使用其他工具恢复限制</value>
+  </data>
+  <data name="ViewDialogFeedbackEnableLoopbackTitle" xml:space="preserve">
+    <value>是否解除 Loopback 限制</value>
+  </data>
   <data name="ViewDialogGachaLogImportTitle" xml:space="preserve">
     <value>导入祈愿记录</value>
   </data>
@@ -1868,6 +1874,12 @@
   <data name="ViewPageFeedbackCurrentProxyNoProxyDescription" xml:space="preserve">
     <value>无代理</value>
   </data>
+  <data name="ViewPageFeedbackEnableLoopbackEnabledDescription" xml:space="preserve">
+    <value>已启用</value>
+  </data>
+  <data name="ViewPageFeedbackEnableLoopbackHeader" xml:space="preserve">
+    <value>解除 Loopback 限制</value>
+  </data>
   <data name="ViewPageFeedbackEngageWithUsDescription" xml:space="preserve">
     <value>与我们密切联系</value>
   </data>
diff --git a/src/Snap.Hutao/Snap.Hutao/View/Page/FeedbackPage.xaml b/src/Snap.Hutao/Snap.Hutao/View/Page/FeedbackPage.xaml
index 2a499ddb..943f8172 100644
--- a/src/Snap.Hutao/Snap.Hutao/View/Page/FeedbackPage.xaml
+++ b/src/Snap.Hutao/Snap.Hutao/View/Page/FeedbackPage.xaml
@@ -3,7 +3,8 @@
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:clw="using:CommunityToolkit.Labs.WinUI"
-    xmlns:cwc="using:CommunityToolkit.WinUI.Controls"
+    xmlns:cwcont="using:CommunityToolkit.WinUI.Controls"
+    xmlns:cwconv="using:CommunityToolkit.WinUI.Converters"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:mxi="using:Microsoft.Xaml.Interactivity"
@@ -28,6 +29,15 @@
         <SolidColorBrush x:Key="SettingsCardBackgroundDisabled" Color="Transparent"/>
         <SolidColorBrush x:Key="SettingsCardBackgroundPointerOver" Color="Transparent"/>
         <SolidColorBrush x:Key="SettingsCardBackgroundPressed" Color="Transparent"/>
+
+        <cwconv:BoolToObjectConverter x:Key="BoolToLoopbackDescriptionControlConverter">
+            <cwconv:BoolToObjectConverter.TrueValue>
+                <TextBlock Text="{shcm:ResourceString Name=ViewPageFeedbackEnableLoopbackEnabledDescription}"/>
+            </cwconv:BoolToObjectConverter.TrueValue>
+            <cwconv:BoolToObjectConverter.FalseValue>
+                <HyperlinkButton Content="{shcm:ResourceString Name=ViewPageAnnouncementViewDetails}" NavigateUri="{StaticResource DocumentLink_Loopback}"/>
+            </cwconv:BoolToObjectConverter.FalseValue>
+        </cwconv:BoolToObjectConverter>
     </Page.Resources>
 
     <Grid>
@@ -41,153 +51,162 @@
                 <ScrollViewer>
                     <StackPanel Margin="16" Spacing="3">
                         <Border Style="{ThemeResource AcrylicBorderlessBorderCardStyle}">
-                            <cwc:SettingsExpander
+                            <cwcont:SettingsExpander
                                 Description="{Binding RuntimeOptions.Version}"
                                 Header="{shcm:ResourceString Name=AppName}"
                                 HeaderIcon="{shcm:FontIcon Glyph=&#xECAA;}"
                                 IsExpanded="True">
-                                <cwc:SettingsExpander.Items>
-                                    <cwc:SettingsCard
+                                <cwcont:SettingsExpander.Items>
+                                    <cwcont:SettingsCard
                                         ActionIcon="{shcm:FontIcon Glyph=&#xE8C8;}"
                                         ActionIconToolTip="{shcm:ResourceString Name=ViewPageSettingCopyDeviceIdAction}"
                                         Command="{Binding CopyDeviceIdCommand}"
                                         Description="{Binding RuntimeOptions.DeviceId}"
                                         Header="{shcm:ResourceString Name=ViewPageSettingDeviceIdHeader}"
                                         IsClickEnabled="True"/>
-                                    <cwc:SettingsCard Description="{Binding IPInformation}" Header="{shcm:ResourceString Name=ViewPageSettingDeviceIpHeader}"/>
-                                    <cwc:SettingsCard Description="{Binding DynamicHttpProxy.CurrentProxy}" Header="{shcm:ResourceString Name=ViewPageFeedbackCurrentProxyHeader}"/>
-                                    <cwc:SettingsCard Description="{Binding RuntimeOptions.WebView2Version}" Header="{shcm:ResourceString Name=ViewPageSettingWebview2Header}"/>
-                                </cwc:SettingsExpander.Items>
-                            </cwc:SettingsExpander>
+                                    <cwcont:SettingsCard Description="{Binding IPInformation}" Header="{shcm:ResourceString Name=ViewPageSettingDeviceIpHeader}"/>
+                                    <cwcont:SettingsCard Description="{Binding DynamicHttpProxy.CurrentProxy}" Header="{shcm:ResourceString Name=ViewPageFeedbackCurrentProxyHeader}"/>
+                                    <cwcont:SettingsCard
+                                        Command="{Binding EnableLoopbackCommand}"
+                                        Header="{shcm:ResourceString Name=ViewPageFeedbackEnableLoopbackHeader}"
+                                        IsClickEnabled="True"
+                                        IsEnabled="{Binding LoopbackManager.IsLoopbackEnabled, Converter={StaticResource BoolNegationConverter}, Mode=OneWay}">
+                                        <cwcont:SettingsCard.Description>
+                                            <UserControl Content="{Binding LoopbackManager.IsLoopbackEnabled, Converter={StaticResource BoolToLoopbackDescriptionControlConverter}, Mode=OneWay}"/>
+                                        </cwcont:SettingsCard.Description>
+                                    </cwcont:SettingsCard>
+                                    <cwcont:SettingsCard Description="{Binding RuntimeOptions.WebView2Version}" Header="{shcm:ResourceString Name=ViewPageSettingWebview2Header}"/>
+                                </cwcont:SettingsExpander.Items>
+                            </cwcont:SettingsExpander>
                         </Border>
                         <Border Style="{ThemeResource AcrylicBorderlessBorderCardStyle}">
-                            <cwc:SettingsExpander
+                            <cwcont:SettingsExpander
                                 Description="{shcm:ResourceString Name=ViewPageFeedbackEngageWithUsDescription}"
                                 Header="{shcm:ResourceString Name=ViewPageFeedbackCommonLinksHeader}"
                                 HeaderIcon="{shcm:FontIcon Glyph=&#xE71B;}"
                                 IsExpanded="True">
-                                <cwc:SettingsExpander.Items>
-                                    <cwc:SettingsCard
+                                <cwcont:SettingsExpander.Items>
+                                    <cwcont:SettingsCard
                                         Command="{Binding NavigateToUriCommand}"
                                         CommandParameter="https://github.com/DGP-Studio/Snap.Hutao/issues/new/choose"
                                         Description="{shcm:ResourceString Name=ViewPageFeedbackGithubIssuesDescription}"
                                         Header="GitHub Issues"
                                         IsClickEnabled="True"/>
-                                    <cwc:SettingsCard
+                                    <cwcont:SettingsCard
                                         Command="{Binding NavigateToUriCommand}"
                                         CommandParameter="https://github.com/orgs/DGP-Studio/projects/2"
                                         Description="{shcm:ResourceString Name=ViewPageFeedbackRoadmapDescription}"
                                         Header="GitHub Projects"
                                         IsClickEnabled="True"/>
-                                    <cwc:SettingsCard
+                                    <cwcont:SettingsCard
                                         Command="{Binding NavigateToUriCommand}"
                                         CommandParameter="https://status.hut.ao"
                                         Description="{shcm:ResourceString Name=ViewPageFeedbackServerStatusDescription}"
                                         Header="{shcm:ResourceString Name=ViewPageFeedbackServerStatusHeader}"
                                         IsClickEnabled="True"/>
-                                </cwc:SettingsExpander.Items>
-                            </cwc:SettingsExpander>
+                                </cwcont:SettingsExpander.Items>
+                            </cwcont:SettingsExpander>
                         </Border>
                         <Border Style="{ThemeResource AcrylicBorderlessBorderCardStyle}">
-                            <cwc:SettingsExpander
+                            <cwcont:SettingsExpander
                                 Header="{shcm:ResourceString Name=ViewPageFeedbackFeatureGuideHeader}"
                                 HeaderIcon="{shcm:FontIcon Glyph=&#xF8A5;}"
                                 IsExpanded="True">
-                                <cwc:SettingsExpander.Items>
-                                    <cwc:SettingsCard
+                                <cwcont:SettingsExpander.Items>
+                                    <cwcont:SettingsCard
                                         Padding="{ThemeResource SettingsExpanderItemHasIconPadding}"
                                         Command="{Binding NavigateToUriCommand}"
                                         CommandParameter="https://hut.ao/features/dashboard.html"
                                         Header="{shcm:ResourceString Name=ViewAnnouncementHeader}"
                                         HeaderIcon="{shcm:BitmapIcon Source=ms-appx:///Resource/Navigation/Announcement.png}"
                                         IsClickEnabled="True"/>
-                                    <cwc:SettingsCard
+                                    <cwcont:SettingsCard
                                         Padding="{ThemeResource SettingsExpanderItemHasIconPadding}"
                                         Command="{Binding NavigateToUriCommand}"
                                         CommandParameter="https://hut.ao/features/game-launcher.html"
                                         Header="{shcm:ResourceString Name=ViewLaunchGameHeader}"
                                         IsClickEnabled="True">
-                                        <cwc:SettingsCard.HeaderIcon>
+                                        <cwcont:SettingsCard.HeaderIcon>
                                             <!--  This icon is not a square  -->
                                             <BitmapIcon
                                                 Width="24"
                                                 Height="24"
                                                 ShowAsMonochrome="False"
                                                 UriSource="ms-appx:///Resource/Navigation/LaunchGame.png"/>
-                                        </cwc:SettingsCard.HeaderIcon>
-                                    </cwc:SettingsCard>
-                                    <cwc:SettingsCard
+                                        </cwcont:SettingsCard.HeaderIcon>
+                                    </cwcont:SettingsCard>
+                                    <cwcont:SettingsCard
                                         Padding="{ThemeResource SettingsExpanderItemHasIconPadding}"
                                         Command="{Binding NavigateToUriCommand}"
                                         CommandParameter="https://hut.ao/features/wish-export.html"
                                         Header="{shcm:ResourceString Name=ViewGachaLogHeader}"
                                         HeaderIcon="{shcm:BitmapIcon Source=ms-appx:///Resource/Navigation/GachaLog.png}"
                                         IsClickEnabled="True"/>
-                                    <cwc:SettingsCard
+                                    <cwcont:SettingsCard
                                         Padding="{ThemeResource SettingsExpanderItemHasIconPadding}"
                                         Command="{Binding NavigateToUriCommand}"
                                         CommandParameter="https://hut.ao/features/achievements.html"
                                         Header="{shcm:ResourceString Name=ViewAchievementHeader}"
                                         HeaderIcon="{shcm:BitmapIcon Source=ms-appx:///Resource/Navigation/Achievement.png}"
                                         IsClickEnabled="True"/>
-                                    <cwc:SettingsCard
+                                    <cwcont:SettingsCard
                                         Padding="{ThemeResource SettingsExpanderItemHasIconPadding}"
                                         Command="{Binding NavigateToUriCommand}"
                                         CommandParameter="https://hut.ao/features/real-time-notes.html"
                                         Header="{shcm:ResourceString Name=ViewDailyNoteHeader}"
                                         HeaderIcon="{shcm:BitmapIcon Source=ms-appx:///Resource/Navigation/DailyNote.png}"
                                         IsClickEnabled="True"/>
-                                    <cwc:SettingsCard
+                                    <cwcont:SettingsCard
                                         Padding="{ThemeResource SettingsExpanderItemHasIconPadding}"
                                         Command="{Binding NavigateToUriCommand}"
                                         CommandParameter="https://hut.ao/features/character-data.html"
                                         Header="{shcm:ResourceString Name=ViewAvatarPropertyHeader}"
                                         HeaderIcon="{shcm:BitmapIcon Source=ms-appx:///Resource/Navigation/AvatarProperty.png}"
                                         IsClickEnabled="True"/>
-                                    <cwc:SettingsCard
+                                    <cwcont:SettingsCard
                                         Padding="{ThemeResource SettingsExpanderItemHasIconPadding}"
                                         Command="{Binding NavigateToUriCommand}"
                                         CommandParameter="https://hut.ao/features/hutao-API.html"
                                         Header="{shcm:ResourceString Name=ViewSpiralAbyssHeader}"
                                         HeaderIcon="{shcm:BitmapIcon Source=ms-appx:///Resource/Navigation/SpiralAbyss.png}"
                                         IsClickEnabled="True"/>
-                                    <cwc:SettingsCard
+                                    <cwcont:SettingsCard
                                         Padding="{ThemeResource SettingsExpanderItemHasIconPadding}"
                                         Command="{Binding NavigateToUriCommand}"
                                         CommandParameter="https://hut.ao/features/develop-plan.html"
                                         Header="{shcm:ResourceString Name=ViewCultivationHeader}"
                                         HeaderIcon="{shcm:BitmapIcon Source=ms-appx:///Resource/Navigation/Cultivation.png}"
                                         IsClickEnabled="True"/>
-                                    <cwc:SettingsCard
+                                    <cwcont:SettingsCard
                                         Padding="{ThemeResource SettingsExpanderItemHasIconPadding}"
                                         Command="{Binding NavigateToUriCommand}"
                                         CommandParameter="https://hut.ao/features/character-wiki.html"
                                         Header="{shcm:ResourceString Name=ViewWikiAvatarHeader}"
                                         HeaderIcon="{shcm:BitmapIcon Source=ms-appx:///Resource/Navigation/WikiAvatar.png}"
                                         IsClickEnabled="True"/>
-                                    <cwc:SettingsCard
+                                    <cwcont:SettingsCard
                                         Padding="{ThemeResource SettingsExpanderItemHasIconPadding}"
                                         Command="{Binding NavigateToUriCommand}"
                                         CommandParameter="https://hut.ao/features/weapon-wiki.html"
                                         Header="{shcm:ResourceString Name=ViewWikiWeaponHeader}"
                                         HeaderIcon="{shcm:BitmapIcon Source=ms-appx:///Resource/Navigation/WikiWeapon.png}"
                                         IsClickEnabled="True"/>
-                                    <cwc:SettingsCard
+                                    <cwcont:SettingsCard
                                         Padding="{ThemeResource SettingsExpanderItemHasIconPadding}"
                                         Command="{Binding NavigateToUriCommand}"
                                         CommandParameter="https://hut.ao/features/monster-wiki.html"
                                         Header="{shcm:ResourceString Name=ViewWikiMonsterHeader}"
                                         HeaderIcon="{shcm:BitmapIcon Source=ms-appx:///Resource/Navigation/WikiMonster.png}"
                                         IsClickEnabled="True"/>
-                                    <cwc:SettingsCard
+                                    <cwcont:SettingsCard
                                         Padding="{ThemeResource SettingsExpanderItemHasIconPadding}"
                                         Command="{Binding NavigateToUriCommand}"
                                         CommandParameter="https://hut.ao/features/hutao-settings.html"
                                         Header="{shcm:ResourceString Name=ViewSettingHeader}"
                                         HeaderIcon="{shcm:FontIcon Glyph=&#xE713;}"
                                         IsClickEnabled="True"/>
-                                </cwc:SettingsExpander.Items>
-                            </cwc:SettingsExpander>
+                                </cwcont:SettingsExpander.Items>
+                            </cwcont:SettingsExpander>
                         </Border>
                     </StackPanel>
                 </ScrollViewer>
diff --git a/src/Snap.Hutao/Snap.Hutao/ViewModel/Feedback/FeedbackViewModel.cs b/src/Snap.Hutao/Snap.Hutao/ViewModel/Feedback/FeedbackViewModel.cs
index 38df7dd0..7a7bd53a 100644
--- a/src/Snap.Hutao/Snap.Hutao/ViewModel/Feedback/FeedbackViewModel.cs
+++ b/src/Snap.Hutao/Snap.Hutao/ViewModel/Feedback/FeedbackViewModel.cs
@@ -1,9 +1,12 @@
 // Copyright (c) DGP Studio. All rights reserved.
 // Licensed under the MIT license.
 
+using Microsoft.UI.Xaml.Controls;
 using Snap.Hutao.Core;
 using Snap.Hutao.Core.IO.DataTransfer;
 using Snap.Hutao.Core.IO.Http.DynamicProxy;
+using Snap.Hutao.Core.IO.Http.Loopback;
+using Snap.Hutao.Factory.ContentDialog;
 using Snap.Hutao.Service;
 using Snap.Hutao.Service.Notification;
 using Snap.Hutao.Web.Hutao;
@@ -20,8 +23,10 @@ internal sealed partial class FeedbackViewModel : Abstraction.ViewModel
 {
     private readonly HutaoInfrastructureClient hutaoInfrastructureClient;
     private readonly HutaoDocumentationClient hutaoDocumentationClient;
+    private readonly IContentDialogFactory contentDialogFactory;
     private readonly IClipboardProvider clipboardProvider;
     private readonly DynamicHttpProxy dynamicHttpProxy;
+    private readonly LoopbackManager loopbackManager;
     private readonly IInfoBarService infoBarService;
     private readonly CultureOptions cultureOptions;
     private readonly RuntimeOptions runtimeOptions;
@@ -35,6 +40,8 @@ internal sealed partial class FeedbackViewModel : Abstraction.ViewModel
 
     public DynamicHttpProxy DynamicHttpProxy { get => dynamicHttpProxy; }
 
+    public LoopbackManager LoopbackManager { get => loopbackManager; }
+
     public string? SearchText { get => searchText; set => SetProperty(ref searchText, value); }
 
     public List<AlgoliaHit>? SearchResults { get => searchResults; set => SetProperty(ref searchResults, value); }
@@ -113,4 +120,17 @@ internal sealed partial class FeedbackViewModel : Abstraction.ViewModel
             infoBarService.Error(ex);
         }
     }
+
+    [Command("EnableLoopbackCommand")]
+    private async Task EnableLoopbackAsync()
+    {
+        ContentDialogResult result = await contentDialogFactory
+            .CreateForConfirmCancelAsync(SH.ViewDialogFeedbackEnableLoopbackTitle, SH.ViewDialogFeedbackEnableLoopbackContent)
+            .ConfigureAwait(false);
+
+        if (result is ContentDialogResult.Primary)
+        {
+            LoopbackManager.EnableLoopback();
+        }
+    }
 }
\ No newline at end of file
diff --git a/src/Snap.Hutao/Snap.Hutao/Win32/AdvApi32.cs b/src/Snap.Hutao/Snap.Hutao/Win32/AdvApi32.cs
index de928361..5958a9dc 100644
--- a/src/Snap.Hutao/Snap.Hutao/Win32/AdvApi32.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Win32/AdvApi32.cs
@@ -13,6 +13,10 @@ namespace Snap.Hutao.Win32;
 [SuppressMessage("", "SYSLIB1054")]
 internal static class AdvApi32
 {
+    [DllImport("ADVAPI32.dll", ExactSpelling = true)]
+    [SupportedOSPlatform("windows5.0")]
+    public static extern BOOL EqualSid(PSID pSid1, PSID pSid2);
+
     [DllImport("ADVAPI32.dll", ExactSpelling = true)]
     [SupportedOSPlatform("windows5.0")]
     public static extern WIN32_ERROR RegCloseKey(HKEY hKey);