Add backup and restore

v2rayN/ServiceLib/Common/FileManager.cs

@@ -106,7 +106,12 @@ namespace ServiceLib.Common
         {
             try
             {
-                ZipFile.CreateFromDirectory(sourceDirectoryName, destinationArchiveFileName);
+                if (File.Exists(destinationArchiveFileName))
+                {
+                    File.Delete(destinationArchiveFileName);
+                }
+
+                ZipFile.CreateFromDirectory(sourceDirectoryName, destinationArchiveFileName, CompressionLevel.SmallestSize, true);
             }
             catch (Exception ex)
             {
@@ -115,5 +120,42 @@ namespace ServiceLib.Common
             }
             return true;
         }
+
+        public static void CopyDirectory(string sourceDir, string destinationDir, bool recursive, string ignoredName)
+        {
+            // Get information about the source directory
+            var dir = new DirectoryInfo(sourceDir);
+
+            // Check if the source directory exists
+            if (!dir.Exists)
+                throw new DirectoryNotFoundException($"Source directory not found: {dir.FullName}");
+
+            // Cache directories before we start copying
+            DirectoryInfo[] dirs = dir.GetDirectories();
+
+            // Create the destination directory
+            Directory.CreateDirectory(destinationDir);
+
+            // Get the files in the source directory and copy to the destination directory
+            foreach (FileInfo file in dir.GetFiles())
+            {
+                if (!Utils.IsNullOrEmpty(ignoredName) && file.Name.Contains(ignoredName))
+                {
+                    continue;
+                }
+                string targetFilePath = Path.Combine(destinationDir, file.Name);
+                file.CopyTo(targetFilePath);
+            }
+
+            // If recursive and copying subdirectories, recursively call this method
+            if (recursive)
+            {
+                foreach (DirectoryInfo subDir in dirs)
+                {
+                    string newDestinationDir = Path.Combine(destinationDir, subDir.Name);
+                    CopyDirectory(subDir.FullName, newDestinationDir, true, ignoredName);
+                }
+            }
+        }
     }
 }

v2rayN/ServiceLib/Handler/ConfigHandler.cs

@@ -204,6 +204,8 @@ namespace ServiceLib.Handler
                 };
             }
 
+            config.webDavItem ??= new();
+
             return 0;
         }
 

v2rayN/ServiceLib/Handler/NoticeHandler.cs

@@ -22,7 +22,7 @@ namespace ServiceLib.Handler
             MessageBus.Current.SendMessage(content, Global.CommandSendMsgView);
         }
 
-        public void SendMessageEx(string? content  )
+        public void SendMessageEx(string? content)
         {
             if (content.IsNullOrEmpty())
             {

v2rayN/ServiceLib/Handler/WebDavHandler.cs

@@ -0,0 +1,163 @@
+using System.Net;
+using WebDav;
+
+namespace ServiceLib.Handler
+{
+    public sealed class WebDavHandler
+    {
+        private static readonly Lazy<WebDavHandler> _instance = new(() => new());
+        public static WebDavHandler Instance => _instance.Value;
+
+        private Config? _config;
+        private WebDavClient? _client;
+        private string? _lastDescription;
+        private string _webDir = "mywebdir";
+        private string _webFileName = "backup.zip";
+        private string _logTitle = "WebDav--";
+
+        public WebDavHandler()
+        {
+            _config = LazyConfig.Instance.Config;
+        }
+
+        private async Task<bool> GetClient()
+        {
+            try
+            {
+                if (_config.webDavItem.url.IsNullOrEmpty()
+                || _config.webDavItem.userName.IsNullOrEmpty()
+                || _config.webDavItem.password.IsNullOrEmpty())
+                {
+                    throw new ArgumentException("webdav parameter error or null");
+                }
+                if (_client != null)
+                {
+                    _client?.Dispose();
+                    _client = null;
+                }
+
+                var clientParams = new WebDavClientParams
+                {
+                    BaseAddress = new Uri(_config.webDavItem.url),
+                    Credentials = new NetworkCredential(_config.webDavItem.userName, _config.webDavItem.password)
+                };
+                _client = new WebDavClient(clientParams);
+            }
+            catch (Exception ex)
+            {
+                SaveLog(ex);
+                return false;
+            }
+            return await Task.FromResult(true);
+        }
+
+        private async Task<bool> CheckProp()
+        {
+            if (_client is null) return false;
+            try
+            {
+                var result = await _client.Propfind(_webDir);
+                if (result.IsSuccessful)
+                {
+                    return true;
+                }
+                var result2 = await _client.Mkcol(_webDir); // create a directory
+                if (result2.IsSuccessful)
+                {
+                    return true;
+                }
+                SaveLog(result2.Description);
+            }
+            catch (Exception ex)
+            {
+                SaveLog(ex);
+            }
+            return false;
+        }
+
+        private void SaveLog(string desc)
+        {
+            _lastDescription = desc;
+            Logging.SaveLog(_logTitle + desc);
+        }
+
+        private void SaveLog(Exception ex)
+        {
+            _lastDescription = ex.Message;
+            Logging.SaveLog(_logTitle, ex);
+        }
+
+        public async Task<bool> CheckConnection()
+        {
+            if (await GetClient() == false)
+            {
+                return false;
+            }
+            if (await CheckProp() == false)
+            {
+                return false;
+            }
+
+            return true;
+        }
+
+        public async Task<bool> PutFile(string fileName)
+        {
+            if (await GetClient() == false)
+            {
+                return false;
+            }
+            if (await CheckProp() == false)
+            {
+                return false;
+            }
+
+            try
+            {
+                using var fs = File.OpenRead(fileName);
+                var result = await _client.PutFile($"{_webDir}/{_webFileName}", fs); // upload a resource
+                if (result.IsSuccessful)
+                {
+                    return true;
+                }
+
+                SaveLog(result.Description);
+            }
+            catch (Exception ex)
+            {
+                SaveLog(ex);
+            }
+            return false;
+        }
+
+        public async Task<bool> GetRawFile(string fileName)
+        {
+            if (await GetClient() == false)
+            {
+                return false;
+            }
+            if (await CheckProp() == false)
+            {
+                return false;
+            }
+            try
+            {
+                var response = await _client.GetRawFile($"{_webDir}/{_webFileName}");
+                if (!response.IsSuccessful)
+                {
+                    SaveLog(response.Description);
+                }
+                using var outputFileStream = new FileStream(fileName, FileMode.Create);
+                response.Stream.CopyTo(outputFileStream);
+                return true;
+            }
+            catch (Exception ex)
+            {
+                SaveLog(ex);
+            }
+            return false;
+        }
+
+        public string GetLastError() => _lastDescription ?? string.Empty;
+    }
+}

v2rayN/ServiceLib/Models/Config.cs

@@ -47,6 +47,7 @@
         public HysteriaItem hysteriaItem { get; set; }
         public ClashUIItem clashUIItem { get; set; }
         public SystemProxyItem systemProxyItem { get; set; }
+        public WebDavItem webDavItem { get; set; }
         public List<InItem> inbound { get; set; }
         public List<KeyEventItem> globalHotkeys { get; set; }
         public List<CoreTypeItem> coreTypeItem { get; set; }

v2rayN/ServiceLib/Models/ConfigItems.cs

@@ -248,4 +248,12 @@
         public bool notProxyLocalAddress { get; set; } = true;
         public string systemProxyAdvancedProtocol { get; set; }
     }
+
+    [Serializable]
+    public class WebDavItem
+    {
+        public string? url { get; set; }
+        public string? userName { get; set; }
+        public string? password { get; set; }
+    }
 }

v2rayN/ServiceLib/Resx/ResUI.Designer.cs

@@ -582,6 +582,42 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 WebDav Check 的本地化字符串。
+        /// </summary>
+        public static string LvWebDavCheck {
+            get {
+                return ResourceManager.GetString("LvWebDavCheck", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 WebDav Password 的本地化字符串。
+        /// </summary>
+        public static string LvWebDavPassword {
+            get {
+                return ResourceManager.GetString("LvWebDavPassword", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 WebDav Url 的本地化字符串。
+        /// </summary>
+        public static string LvWebDavUrl {
+            get {
+                return ResourceManager.GetString("LvWebDavUrl", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 WebDav User Name 的本地化字符串。
+        /// </summary>
+        public static string LvWebDavUserName {
+            get {
+                return ResourceManager.GetString("LvWebDavUserName", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Add a custom configuration server 的本地化字符串。
         /// </summary>
@@ -690,6 +726,15 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Backup and Restore 的本地化字符串。
+        /// </summary>
+        public static string menuBackupAndRestore {
+            get {
+                return ResourceManager.GetString("menuBackupAndRestore", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Check Update 的本地化字符串。
         /// </summary>
@@ -861,6 +906,33 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Backup to local 的本地化字符串。
+        /// </summary>
+        public static string menuLocalBackup {
+            get {
+                return ResourceManager.GetString("menuLocalBackup", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Local 的本地化字符串。
+        /// </summary>
+        public static string menuLocalBackupAndRestore {
+            get {
+                return ResourceManager.GetString("menuLocalBackupAndRestore", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Restore from local 的本地化字符串。
+        /// </summary>
+        public static string menuLocalRestore {
+            get {
+                return ResourceManager.GetString("menuLocalRestore", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 One-click multi test Latency and speed (Ctrl+E) 的本地化字符串。
         /// </summary>
@@ -1095,6 +1167,33 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Backup to remote (WebDAV) 的本地化字符串。
+        /// </summary>
+        public static string menuRemoteBackup {
+            get {
+                return ResourceManager.GetString("menuRemoteBackup", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Remote (WebDAV) 的本地化字符串。
+        /// </summary>
+        public static string menuRemoteBackupAndRestore {
+            get {
+                return ResourceManager.GetString("menuRemoteBackupAndRestore", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Restore from remote (WebDAV) 的本地化字符串。
+        /// </summary>
+        public static string menuRemoteRestore {
+            get {
+                return ResourceManager.GetString("menuRemoteRestore", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Remove duplicate servers 的本地化字符串。
         /// </summary>

v2rayN/ServiceLib/Resx/ResUI.resx

@@ -1279,4 +1279,37 @@
   <data name="TbPreSocksPort4Sub" xml:space="preserve">
     <value>Custom config socks port</value>
   </data>
+  <data name="menuBackupAndRestore" xml:space="preserve">
+    <value>Backup and Restore</value>
+  </data>
+  <data name="menuLocalBackup" xml:space="preserve">
+    <value>Backup to local</value>
+  </data>
+  <data name="menuLocalRestore" xml:space="preserve">
+    <value>Restore from local</value>
+  </data>
+  <data name="menuRemoteBackup" xml:space="preserve">
+    <value>Backup to remote (WebDAV)</value>
+  </data>
+  <data name="menuRemoteRestore" xml:space="preserve">
+    <value>Restore from remote (WebDAV)</value>
+  </data>
+  <data name="menuLocalBackupAndRestore" xml:space="preserve">
+    <value>Local</value>
+  </data>
+  <data name="menuRemoteBackupAndRestore" xml:space="preserve">
+    <value>Remote (WebDAV)</value>
+  </data>
+  <data name="LvWebDavUrl" xml:space="preserve">
+    <value>WebDav Url</value>
+  </data>
+  <data name="LvWebDavUserName" xml:space="preserve">
+    <value>WebDav User Name</value>
+  </data>
+  <data name="LvWebDavPassword" xml:space="preserve">
+    <value>WebDav Password</value>
+  </data>
+  <data name="LvWebDavCheck" xml:space="preserve">
+    <value>WebDav Check</value>
+  </data>
 </root>

v2rayN/ServiceLib/Resx/ResUI.zh-Hans.resx

@@ -1276,4 +1276,37 @@
   <data name="TbPreSocksPort4Sub" xml:space="preserve">
     <value>自定义配置的Socks端口</value>
   </data>
+  <data name="menuBackupAndRestore" xml:space="preserve">
+    <value>备份和还原</value>
+  </data>
+  <data name="menuLocalBackup" xml:space="preserve">
+    <value>备份到本地</value>
+  </data>
+  <data name="menuLocalRestore" xml:space="preserve">
+    <value>从本地恢复</value>
+  </data>
+  <data name="menuRemoteBackup" xml:space="preserve">
+    <value>备份到远程 (WebDAV)</value>
+  </data>
+  <data name="menuRemoteRestore" xml:space="preserve">
+    <value>从远程恢复 (WebDAV)</value>
+  </data>
+  <data name="menuLocalBackupAndRestore" xml:space="preserve">
+    <value>本地</value>
+  </data>
+  <data name="menuRemoteBackupAndRestore" xml:space="preserve">
+    <value>远程 (WebDAV)</value>
+  </data>
+  <data name="LvWebDavUserName" xml:space="preserve">
+    <value>WebDav 账户</value>
+  </data>
+  <data name="LvWebDavCheck" xml:space="preserve">
+    <value>WebDav 可用检查</value>
+  </data>
+  <data name="LvWebDavPassword" xml:space="preserve">
+    <value>WebDav 密码</value>
+  </data>
+  <data name="LvWebDavUrl" xml:space="preserve">
+    <value>WebDav 服务器地址</value>
+  </data>
 </root>

v2rayN/ServiceLib/Resx/ResUI.zh-Hant.resx

@@ -1156,4 +1156,37 @@
   <data name="TbPreSocksPort4Sub" xml:space="preserve">
     <value>自訂配置的Socks端口</value>
   </data>
+  <data name="menuBackupAndRestore" xml:space="preserve">
+    <value>備份和還原</value>
+  </data>
+  <data name="menuLocalBackup" xml:space="preserve">
+    <value>備份到本地</value>
+  </data>
+  <data name="menuLocalRestore" xml:space="preserve">
+    <value>從本地恢復</value>
+  </data>
+  <data name="menuRemoteBackup" xml:space="preserve">
+    <value>備份到遠端 (WebDAV)</value>
+  </data>
+  <data name="menuRemoteRestore" xml:space="preserve">
+    <value>從遠端恢復 (WebDAV)</value>
+  </data>
+  <data name="menuLocalBackupAndRestore" xml:space="preserve">
+    <value>本地</value>
+  </data>
+  <data name="menuRemoteBackupAndRestore" xml:space="preserve">
+    <value>遠端 (WebDAV)</value>
+  </data>
+  <data name="LvWebDavUserName" xml:space="preserve">
+    <value>WebDav 賬戶</value>
+  </data>
+  <data name="LvWebDavCheck" xml:space="preserve">
+    <value>WebDav 可用檢查</value>
+  </data>
+  <data name="LvWebDavPassword" xml:space="preserve">
+    <value>WebDav 密碼</value>
+  </data>
+  <data name="LvWebDavUrl" xml:space="preserve">
+    <value>WebDav 服務器地址</value>
+  </data>
 </root>

v2rayN/ServiceLib/ServiceLib.csproj

@@ -13,6 +13,7 @@
 		<PackageReference Include="ReactiveUI.Fody" Version="19.5.41" />
 		<PackageReference Include="sqlite-net-pcl" Version="1.9.172" />
 		<PackageReference Include="Splat.NLog" Version="15.1.1" />
+		<PackageReference Include="WebDav.Client" Version="2.8.0" />
 		<PackageReference Include="YamlDotNet" Version="16.1.0" />
 		<PackageReference Include="QRCoder" Version="1.6.0" />
 	</ItemGroup>

v2rayN/ServiceLib/ViewModels/BackupAndRestoreViewModel.cs

@@ -0,0 +1,151 @@
+using ReactiveUI;
+using ReactiveUI.Fody.Helpers;
+using Splat;
+using System.Reactive;
+
+namespace ServiceLib.ViewModels
+{
+    public class BackupAndRestoreViewModel : MyReactiveObject
+    {
+        public ReactiveCommand<Unit, Unit> RemoteBackupCmd { get; }
+        public ReactiveCommand<Unit, Unit> RemoteRestoreCmd { get; }
+        public ReactiveCommand<Unit, Unit> WebDavCheckCmd { get; }
+
+        [Reactive]
+        public WebDavItem SelectedSource { get; set; }
+
+        [Reactive]
+        public string OperationMsg { get; set; }
+
+        public BackupAndRestoreViewModel(Func<EViewAction, object?, Task<bool>>? updateView)
+        {
+            _config = LazyConfig.Instance.Config;
+            _updateView = updateView;
+            _noticeHandler = Locator.Current.GetService<NoticeHandler>();
+
+            WebDavCheckCmd = ReactiveCommand.CreateFromTask(async () =>
+            {
+                await WebDavCheck();
+            });
+
+            RemoteBackupCmd = ReactiveCommand.CreateFromTask(async () =>
+            {
+                await RemoteBackup();
+            });
+            RemoteRestoreCmd = ReactiveCommand.CreateFromTask(async () =>
+            {
+                await RemoteRestore();
+            });
+
+            SelectedSource = JsonUtils.DeepCopy(_config.webDavItem);
+        }
+
+        private void DisplayOperationMsg(string msg = "")
+        {
+            OperationMsg = msg;
+        }
+
+        private async Task WebDavCheck()
+        {
+            DisplayOperationMsg();
+            _config.webDavItem = SelectedSource;
+            ConfigHandler.SaveConfig(_config);
+
+            var result = await WebDavHandler.Instance.CheckConnection();
+            if (result)
+            {
+                DisplayOperationMsg(ResUI.OperationSuccess);
+            }
+            else
+            {
+                DisplayOperationMsg(WebDavHandler.Instance.GetLastError());
+            }
+        }
+
+        private async Task RemoteBackup()
+        {
+            DisplayOperationMsg();
+            var fileName = Utils.GetBackupPath($"backup_{DateTime.Now:yyyyMMddHHmmss}.zip");
+            var result = await CreateZipFileFromDirectory(fileName);
+            if (result)
+            {
+                var result2 = await WebDavHandler.Instance.PutFile(fileName);
+                if (result2)
+                {
+                    DisplayOperationMsg(ResUI.OperationSuccess);
+                    return;
+                }
+            }
+
+            DisplayOperationMsg(WebDavHandler.Instance.GetLastError());
+        }
+
+        private async Task RemoteRestore()
+        {
+            DisplayOperationMsg();
+            var fileName = Utils.GetTempPath(Utils.GetGUID());
+            var result = await WebDavHandler.Instance.GetRawFile(fileName);
+            if (result)
+            {
+                await LocalRestore(fileName);
+                return;
+            }
+
+            DisplayOperationMsg(WebDavHandler.Instance.GetLastError());
+        }
+
+        public async Task<bool> LocalBackup(string fileName)
+        {
+            DisplayOperationMsg();
+            var result = await CreateZipFileFromDirectory(fileName);
+            if (result)
+            {
+                DisplayOperationMsg(ResUI.OperationSuccess);
+            }
+            else
+            {
+                DisplayOperationMsg(WebDavHandler.Instance.GetLastError());
+            }
+
+            return result;
+        }
+
+        public async Task LocalRestore(string fileName)
+        {
+            DisplayOperationMsg();
+            if (Utils.IsNullOrEmpty(fileName))
+            {
+                return;
+            }
+
+            //backup first
+            var fileBackup = Utils.GetBackupPath($"backup_{DateTime.Now:yyyyMMddHHmmss}.zip");
+            var result = await CreateZipFileFromDirectory(fileBackup);
+            if (result)
+            {
+                Locator.Current.GetService<MainWindowViewModel>()?.V2rayUpgrade(fileName);
+            }
+            else
+            {
+                DisplayOperationMsg(WebDavHandler.Instance.GetLastError());
+            }
+        }
+
+        private async Task<bool> CreateZipFileFromDirectory(string fileName)
+        {
+            if (Utils.IsNullOrEmpty(fileName))
+            {
+                return false;
+            }
+
+            var configDir = Utils.GetConfigPath();
+            var configDirZipTemp = Utils.GetTempPath($"v2rayN_{DateTime.Now:yyyyMMddHHmmss}");
+            var configDirTemp = Path.Combine(configDirZipTemp, "guiConfigs");
+
+            await Task.Run(() => FileManager.CopyDirectory(configDir, configDirTemp, true, "cache.db"));
+            var ret = await Task.Run(() => FileManager.CreateFromDirectory(configDirZipTemp, fileName));
+            await Task.Run(() => Directory.Delete(configDirZipTemp, true));
+            return ret;
+        }
+    }
+}

v2rayN/ServiceLib/ViewModels/CheckUpdateViewModel.cs

@@ -3,7 +3,6 @@ using DynamicData.Binding;
 using ReactiveUI;
 using ReactiveUI.Fody.Helpers;
 using Splat;
-using System.Diagnostics;
 using System.Reactive;
 
 namespace ServiceLib.ViewModels

v2rayN/v2rayN/Views/BackupAndRestoreView.xaml

@@ -0,0 +1,239 @@
+<reactiveui:ReactiveUserControl
+    x:Class="v2rayN.Views.BackupAndRestoreView"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:converters="clr-namespace:v2rayN.Converters"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:reactiveui="http://reactiveui.net"
+    xmlns:resx="clr-namespace:ServiceLib.Resx;assembly=ServiceLib"
+    xmlns:vms="clr-namespace:ServiceLib.ViewModels;assembly=ServiceLib"
+    d:DesignHeight="600"
+    d:DesignWidth="800"
+    x:TypeArguments="vms:BackupAndRestoreViewModel"
+    mc:Ignorable="d">
+    <UserControl.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Popupbox.xaml" />
+            </ResourceDictionary.MergedDictionaries>
+        </ResourceDictionary>
+    </UserControl.Resources>
+    <DockPanel Margin="16">
+        <DockPanel Margin="8" DockPanel.Dock="Bottom">
+            <Button
+                Width="100"
+                Margin="8"
+                Command="{x:Static materialDesign:DialogHost.CloseDialogCommand}"
+                Content="{x:Static resx:ResUI.menuClose}"
+                DockPanel.Dock="Right"
+                IsCancel="True"
+                IsDefault="True"
+                Style="{StaticResource MaterialDesignFlatButton}" />
+
+            <TextBlock
+                x:Name="txtMsg"
+                Margin="8"
+                HorizontalAlignment="Left"
+                Style="{StaticResource ToolbarTextBlock}" />
+        </DockPanel>
+
+        <StackPanel>
+            <materialDesign:Card Width="Auto" Margin="8">
+                <Grid Margin="8">
+                    <Grid.RowDefinitions>
+                        <RowDefinition Height="Auto" />
+                        <RowDefinition Height="Auto" />
+                        <RowDefinition Height="Auto" />
+                        <RowDefinition Height="Auto" />
+                    </Grid.RowDefinitions>
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="300" />
+                        <ColumnDefinition Width="200" />
+                    </Grid.ColumnDefinitions>
+                    <TextBlock
+                        Grid.Row="0"
+                        Grid.Column="0"
+                        Margin="8"
+                        Style="{StaticResource ModuleTitle}"
+                        Text="{x:Static resx:ResUI.menuLocalBackupAndRestore}" />
+
+                    <TextBlock
+                        Grid.Row="1"
+                        Grid.Column="0"
+                        Margin="8"
+                        VerticalAlignment="Center"
+                        Style="{StaticResource ToolbarTextBlock}"
+                        Text="{x:Static resx:ResUI.menuLocalBackup}" />
+                    <Button
+                        x:Name="menuLocalBackup"
+                        Grid.Row="1"
+                        Grid.Column="1"
+                        Margin="8"
+                        VerticalAlignment="Center"
+                        Content="{x:Static resx:ResUI.menuLocalBackup}"
+                        Style="{StaticResource DefButton}" />
+
+                    <Separator
+                        Grid.Row="2"
+                        Grid.ColumnSpan="2"
+                        Style="{StaticResource MaterialDesignLightSeparator}" />
+
+                    <TextBlock
+                        Grid.Row="3"
+                        Grid.Column="0"
+                        Margin="8"
+                        VerticalAlignment="Center"
+                        Style="{StaticResource ToolbarTextBlock}"
+                        Text="{x:Static resx:ResUI.menuLocalRestore}" />
+                    <Button
+                        x:Name="menuLocalRestore"
+                        Grid.Row="3"
+                        Grid.Column="1"
+                        Margin="8"
+                        VerticalAlignment="Center"
+                        Content="{x:Static resx:ResUI.menuLocalRestore}"
+                        Style="{StaticResource DefButton}" />
+                </Grid>
+            </materialDesign:Card>
+            <materialDesign:Card Width="Auto" Margin="8">
+                <Grid Margin="8">
+                    <Grid.RowDefinitions>
+                        <RowDefinition Height="Auto" />
+                        <RowDefinition Height="Auto" />
+                        <RowDefinition Height="Auto" />
+                        <RowDefinition Height="Auto" />
+                        <RowDefinition Height="Auto" />
+                    </Grid.RowDefinitions>
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="300" />
+                        <ColumnDefinition Width="200" />
+                    </Grid.ColumnDefinitions>
+                    <StackPanel Orientation="Horizontal">
+                        <TextBlock
+                            Grid.Row="0"
+                            Grid.Column="0"
+                            Margin="8"
+                            Style="{StaticResource ModuleTitle}"
+                            Text="{x:Static resx:ResUI.menuRemoteBackupAndRestore}" />
+
+                        <materialDesign:PopupBox
+                            Padding="8,0"
+                            HorizontalAlignment="Right"
+                            StaysOpen="True"
+                            Style="{StaticResource MaterialDesignToolForegroundPopupBox}">
+                            <StackPanel Margin="16">
+                                <Grid>
+                                    <Grid.RowDefinitions>
+                                        <RowDefinition Height="Auto" />
+                                        <RowDefinition Height="Auto" />
+                                        <RowDefinition Height="Auto" />
+                                        <RowDefinition Height="Auto" />
+                                    </Grid.RowDefinitions>
+                                    <Grid.ColumnDefinitions>
+                                        <ColumnDefinition Width="Auto" />
+                                        <ColumnDefinition Width="300" />
+                                    </Grid.ColumnDefinitions>
+                                    <TextBlock
+                                        Grid.Row="0"
+                                        Grid.Column="0"
+                                        Margin="8"
+                                        VerticalAlignment="Center"
+                                        Style="{StaticResource ToolbarTextBlock}"
+                                        Text="{x:Static resx:ResUI.LvWebDavUrl}" />
+
+                                    <TextBox
+                                        x:Name="txtWebDavUrl"
+                                        Grid.Row="0"
+                                        Grid.Column="1"
+                                        Margin="8"
+                                        VerticalAlignment="Center"
+                                        Style="{StaticResource DefTextBox}"
+                                        TextWrapping="Wrap" />
+
+                                    <TextBlock
+                                        Grid.Row="1"
+                                        Grid.Column="0"
+                                        Margin="8"
+                                        VerticalAlignment="Center"
+                                        Style="{StaticResource ToolbarTextBlock}"
+                                        Text="{x:Static resx:ResUI.LvWebDavUserName}" />
+
+                                    <TextBox
+                                        x:Name="txtWebDavUserName"
+                                        Grid.Row="1"
+                                        Grid.Column="1"
+                                        Margin="8"
+                                        VerticalAlignment="Center"
+                                        Style="{StaticResource DefTextBox}" />
+
+                                    <TextBlock
+                                        Grid.Row="2"
+                                        Grid.Column="0"
+                                        Margin="8"
+                                        VerticalAlignment="Center"
+                                        Style="{StaticResource ToolbarTextBlock}"
+                                        Text="{x:Static resx:ResUI.LvWebDavPassword}" />
+
+                                    <TextBox
+                                        x:Name="txtWebDavPassword"
+                                        Grid.Row="2"
+                                        Grid.Column="1"
+                                        Margin="8"
+                                        VerticalAlignment="Center"
+                                        Style="{StaticResource DefTextBox}" />
+
+                                    <Button
+                                        x:Name="menuWebDavCheck"
+                                        Grid.Row="3"
+                                        Grid.Column="1"
+                                        Margin="8"
+                                        VerticalAlignment="Center"
+                                        Content="{x:Static resx:ResUI.LvWebDavCheck}"
+                                        Style="{StaticResource DefButton}" />
+                                </Grid>
+                            </StackPanel>
+                        </materialDesign:PopupBox>
+                    </StackPanel>
+
+                    <TextBlock
+                        Grid.Row="1"
+                        Grid.Column="0"
+                        Margin="8"
+                        VerticalAlignment="Center"
+                        Style="{StaticResource ToolbarTextBlock}"
+                        Text="{x:Static resx:ResUI.menuRemoteBackup}" />
+                    <Button
+                        x:Name="menuRemoteBackup"
+                        Grid.Row="1"
+                        Grid.Column="1"
+                        Margin="8"
+                        VerticalAlignment="Center"
+                        Content="{x:Static resx:ResUI.menuRemoteBackup}"
+                        Style="{StaticResource DefButton}" />
+
+                    <Separator
+                        Grid.Row="2"
+                        Grid.ColumnSpan="3"
+                        Style="{StaticResource MaterialDesignLightSeparator}" />
+                    <TextBlock
+                        Grid.Row="3"
+                        Grid.Column="0"
+                        Margin="8"
+                        VerticalAlignment="Center"
+                        Style="{StaticResource ToolbarTextBlock}"
+                        Text="{x:Static resx:ResUI.menuRemoteRestore}" />
+                    <Button
+                        x:Name="menuRemoteRestore"
+                        Grid.Row="3"
+                        Grid.Column="1"
+                        Margin="8"
+                        VerticalAlignment="Center"
+                        Content="{x:Static resx:ResUI.menuRemoteRestore}"
+                        Style="{StaticResource DefButton}" />
+                </Grid>
+            </materialDesign:Card>
+        </StackPanel>
+    </DockPanel>
+</reactiveui:ReactiveUserControl>

v2rayN/v2rayN/Views/BackupAndRestoreView.xaml.cs

@@ -0,0 +1,63 @@
+using ReactiveUI;
+using Splat;
+using System.Reactive.Disposables;
+using System.Windows;
+
+namespace v2rayN.Views
+{
+    public partial class BackupAndRestoreView
+    {
+        private NoticeHandler? _noticeHandler;
+
+        public BackupAndRestoreView()
+        {
+            InitializeComponent();
+            menuLocalBackup.Click += MenuLocalBackup_Click;
+            menuLocalRestore.Click += MenuLocalRestore_Click;
+
+            ViewModel = new BackupAndRestoreViewModel(UpdateViewHandler);
+
+            _noticeHandler = Locator.Current.GetService<NoticeHandler>();
+            this.WhenActivated(disposables =>
+            {
+                this.Bind(ViewModel, vm => vm.OperationMsg, v => v.txtMsg.Text).DisposeWith(disposables);
+                
+                this.Bind(ViewModel, vm => vm.SelectedSource.url, v => v.txtWebDavUrl.Text).DisposeWith(disposables);
+                this.Bind(ViewModel, vm => vm.SelectedSource.userName, v => v.txtWebDavUserName.Text).DisposeWith(disposables);
+                this.Bind(ViewModel, vm => vm.SelectedSource.password, v => v.txtWebDavPassword.Text).DisposeWith(disposables);
+                this.BindCommand(ViewModel, vm => vm.WebDavCheckCmd, v => v.menuWebDavCheck).DisposeWith(disposables);
+
+                this.BindCommand(ViewModel, vm => vm.RemoteBackupCmd, v => v.menuRemoteBackup).DisposeWith(disposables);
+                this.BindCommand(ViewModel, vm => vm.RemoteRestoreCmd, v => v.menuRemoteRestore).DisposeWith(disposables);
+            });
+        }
+
+        private void MenuRemoteRestore_Click(object sender, RoutedEventArgs e)
+        {
+            throw new NotImplementedException();
+        }
+
+        private void MenuLocalBackup_Click(object sender, RoutedEventArgs e)
+        {
+            if (UI.SaveFileDialog(out string fileName, "Zip|*.zip") != true)
+            {
+                return;
+            }
+            ViewModel?.LocalBackup(fileName);
+        }
+
+        private void MenuLocalRestore_Click(object sender, RoutedEventArgs e)
+        {
+            if (UI.OpenFileDialog(out string fileName, "Zip|*.zip|All|*.*") != true)
+            {
+                return;
+            }
+            ViewModel?.LocalRestore(fileName);
+        }
+
+        private async Task<bool> UpdateViewHandler(EViewAction action, object? obj)
+        {
+            return await Task.FromResult(true);
+        }
+    }
+}

v2rayN/v2rayN/Views/MainWindow.xaml

@@ -186,14 +186,14 @@
                                     Height="{StaticResource MenuItemHeight}"
                                     Header="{x:Static resx:ResUI.menuClearServerStatistics}" />
                                 <Separator Margin="-40,5" />
+                                <MenuItem
+                                    x:Name="menuBackupAndRestore"
+                                    Height="{StaticResource MenuItemHeight}"
+                                    Header="{x:Static resx:ResUI.menuBackupAndRestore}" />
                                 <MenuItem
                                     x:Name="menuOpenTheFileLocation"
                                     Height="{StaticResource MenuItemHeight}"
                                     Header="{x:Static resx:ResUI.menuOpenTheFileLocation}" />
-                                <!--<MenuItem
-                                    x:Name="menuImportOldGuiConfig"
-                                    Height="{StaticResource MenuItemHeight}"
-                                    Header="{x:Static resx:ResUI.menuImportOldGuiConfig}" />-->
                             </MenuItem>
                         </Menu>
                         <Separator />

v2rayN/v2rayN/Views/MainWindow.xaml.cs

@@ -17,6 +17,7 @@ namespace v2rayN.Views
     {
         private static Config _config;
         private CheckUpdateView? _checkUpdateView;
+        private BackupAndRestoreView? _backupAndRestoreView;
 
         public MainWindow()
         {
@@ -33,6 +34,7 @@ namespace v2rayN.Views
             menuClose.Click += menuClose_Click;
             menuExit.Click += menuExit_Click;
             menuCheckUpdate.Click += MenuCheckUpdate_Click;
+            menuBackupAndRestore.Click += MenuBackupAndRestore_Click;
 
             MessageBus.Current.Listen<string>(Global.CommandSendSnackMsg).Subscribe(x => DelegateSnackMsg(x));
             ViewModel = new MainWindowViewModel(UpdateViewHandler);
@@ -188,12 +190,6 @@ namespace v2rayN.Views
             AddHelpMenuItem();
         }
 
-        private void MenuCheckUpdate_Click(object sender, RoutedEventArgs e)
-        {
-            _checkUpdateView ??= new CheckUpdateView();
-            DialogHost.Show(_checkUpdateView, "RootDialog");
-        }
-
         #region Event
 
         private void OnProgramStarted(object state, bool timeout)
@@ -425,6 +421,18 @@ namespace v2rayN.Views
             ViewModel?.ScanScreenTaskAsync(result);
         }
 
+        private void MenuCheckUpdate_Click(object sender, RoutedEventArgs e)
+        {
+            _checkUpdateView ??= new CheckUpdateView();
+            DialogHost.Show(_checkUpdateView, "RootDialog");
+        }
+
+        private void MenuBackupAndRestore_Click(object sender, RoutedEventArgs e)
+        {
+            _backupAndRestoreView ??= new BackupAndRestoreView();
+            DialogHost.Show(_backupAndRestoreView, "RootDialog");
+        }
+
         #endregion Event
 
         #region UI