Smb save servers, auth

src/Core/FileTime.Core/Models/Constants.cs

@@ -3,5 +3,6 @@ namespace FileTime.Core.Models
     public static class Constants
     {
         public const char SeparatorChar = '/';
+        public const string ContentProviderProtocol = "ctp://";
     }
 }

src/Core/FileTime.Core/Models/IContainer.cs

@@ -10,7 +10,26 @@ namespace FileTime.Core.Models
         Task<IReadOnlyList<IElement>?> GetElements(CancellationToken token = default);
 
         Task RefreshAsync(CancellationToken token = default);
-        Task<IItem?> GetByPath(string path, bool acceptDeepestMatch = false);
+        async Task<IItem?> GetByPath(string path, bool acceptDeepestMatch = false)
+        {
+            var paths = path.Split(Constants.SeparatorChar);
+
+            var item = (await GetItems())?.FirstOrDefault(i => i.Name == paths[0]);
+
+            if (paths.Length == 1)
+            {
+                return item;
+            }
+
+            if (item is IContainer container)
+            {
+                var result = await container.GetByPath(string.Join(Constants.SeparatorChar, paths.Skip(1)), acceptDeepestMatch);
+                return result == null && acceptDeepestMatch ? this : result;
+            }
+
+            return null;
+        }
+
         Task<IContainer> CreateContainer(string name);
         Task<IElement> CreateElement(string name);
 

src/Core/FileTime.Core/Persistence/PersistenceSettings.cs

@@ -0,0 +1,12 @@
+namespace FileTime.Core.Persistence
+{
+    public class PersistenceSettings
+    {
+        public PersistenceSettings(string rootAppDataPath)
+        {
+            RootAppDataPath = rootAppDataPath;
+        }
+
+        public string RootAppDataPath { get; }
+    }
+}

src/GuiApp/FileTime.Avalonia/Models/Persistence/TabState.cs

@@ -1,4 +1,6 @@
 using FileTime.Avalonia.Application;
+using FileTime.Core.Models;
+using FileTime.Core.Providers;
 
 namespace FileTime.Avalonia.Models.Persistence
 {
@@ -11,7 +13,8 @@ namespace FileTime.Avalonia.Models.Persistence
 
         public TabState(TabContainer tab)
         {
-            Path = tab.CurrentLocation.Item.FullName;
+            var item = tab.CurrentLocation.Item;
+            Path = item is IContentProvider contentProvider ? Constants.ContentProviderProtocol + contentProvider.Name : item.FullName;
             Number = tab.TabNumber;
         }
     }

src/GuiApp/FileTime.Avalonia/Services/StatePersistenceService.cs

@@ -12,6 +12,7 @@ using FileTime.Core.Components;
 using FileTime.Core.Providers;
 using FileTime.Providers.Local;
 using FileTime.Core.Models;
+using Microsoft.Extensions.Logging;
 
 namespace FileTime.Avalonia.Services
 {
@@ -23,22 +24,26 @@ namespace FileTime.Avalonia.Services
         private readonly string _settingsPath;
         private readonly IEnumerable<IContentProvider> _contentProviders;
         private readonly LocalContentProvider _localContentProvider;
+        private readonly ILogger<StatePersistenceService> _logger;
 
         public StatePersistenceService(
             AppState appState,
             ItemNameConverterService itemNameConverterService,
             IEnumerable<IContentProvider> contentProviders,
-            LocalContentProvider localContentProvider)
+            LocalContentProvider localContentProvider,
+            ILogger<StatePersistenceService> logger)
         {
             _appState = appState;
             _itemNameConverterService = itemNameConverterService;
             _contentProviders = contentProviders;
             _localContentProvider = localContentProvider;
+            _logger = logger;
             _settingsPath = Path.Combine(Program.AppDataRoot, "savedState.json");
 
             _jsonOptions = new JsonSerializerOptions()
             {
-                PropertyNameCaseInsensitive = true
+                PropertyNameCaseInsensitive = true,
+                WriteIndented = true
             };
         }
 
@@ -55,7 +60,10 @@ namespace FileTime.Avalonia.Services
                     await RestoreTabs(state.TabStates);
                 }
             }
-            catch { }
+            catch (Exception e)
+            {
+                _logger.LogError(e, "Unkown exception while restoring app state.");
+            }
         }
 
         public void SaveStates()
@@ -97,33 +105,48 @@ namespace FileTime.Avalonia.Services
 
                 foreach (var tab in tabStates.Tabs)
                 {
-                    if (tab.Path == null) continue;
+                    try
-
-                    IItem? pathItem = null;
-                    foreach (var contentProvider in _contentProviders)
                     {
-                        if (contentProvider.CanHandlePath(tab.Path))
+                        if (tab.Path == null) continue;
+
+                        IItem? pathItem = null;
+                        if (tab.Path.StartsWith(Constants.ContentProviderProtocol))
                         {
-                            pathItem = await contentProvider.GetByPath(tab.Path, true);
+                            var contentProviderName = tab.Path.Substring(Constants.ContentProviderProtocol.Length);
-                            if (pathItem != null) break;
+                            pathItem = _contentProviders.FirstOrDefault(c => c.Name == contentProviderName);
                         }
+                        else
+                        {
+                            foreach (var contentProvider in _contentProviders)
+                            {
+                                if (contentProvider.CanHandlePath(tab.Path))
+                                {
+                                    pathItem = await contentProvider.GetByPath(tab.Path, true);
+                                    if (pathItem != null) break;
+                                }
+                            }
+                        }
+
+                        var container = pathItem switch
+                        {
+                            IContainer c => c,
+                            IElement e => e.GetParent(),
+                            _ => null
+                        };
+
+                        if (container == null) continue;
+
+                        var newTab = new Tab();
+                        await newTab.Init(container);
+
+                        var newTabContainer = new TabContainer(newTab, _localContentProvider, _itemNameConverterService);
+                        await newTabContainer.Init(tab.Number);
+                        _appState.Tabs.Add(newTabContainer);
                     }
-
+                    catch (Exception e)
-                    var container = pathItem switch
                     {
-                        IContainer c => c,
+                        _logger.LogError(e, "Unkown exception while restoring tab. {0}", JsonSerializer.Serialize(tab, _jsonOptions));
-                        IElement e => e.GetParent(),
+                    }
-                        _ => null
-                    };
-
-                    if (container == null) continue;
-
-                    var newTab = new Tab();
-                    await newTab.Init(container);
-
-                    var newTabContainer = new TabContainer(newTab, _localContentProvider, _itemNameConverterService);
-                    await newTabContainer.Init(tab.Number);
-                    _appState.Tabs.Add(newTabContainer);
                 }
 
                 if (_appState.Tabs.FirstOrDefault(t => t.TabNumber == tabStates.ActiveTabNumber) is TabContainer tabContainer)
@@ -133,7 +156,10 @@ namespace FileTime.Avalonia.Services
 
                 return true;
             }
-            catch { }
+            catch (Exception e)
+            {
+                _logger.LogError(e, "Unkown exception while restoring tabs.");
+            }
             return false;
         }
     }

src/GuiApp/FileTime.Avalonia/Startup.cs

@@ -7,6 +7,8 @@ using FileTime.Avalonia.Services;
 using FileTime.Avalonia.ViewModels;
 using FileTime.Core.Command;
 using FileTime.Core.Interactions;
+using FileTime.Core.Persistence;
+using FileTime.Providers.Smb;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Serilog;
@@ -31,6 +33,8 @@ namespace FileTime.Avalonia
                 .AddSingleton<KeyboardConfigurationService>()
                 .AddSingleton<KeyInputHandlerService>()
                 .AddSingleton<DialogService>()
+                .AddSingleton(new PersistenceSettings(Program.AppDataRoot))
+                .AddSmbServices()
                 .AddSingleton<IIconProvider, MaterialIconProvider>();
 
             if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))

src/GuiApp/FileTime.Avalonia/ViewModels/ContainerViewModel.cs

@@ -67,12 +67,16 @@ namespace FileTime.Avalonia.ViewModels
 
         public List<ItemNamePart> DisplayName => ItemNameConverterService.GetDisplayName(this);
 
-        [Obsolete($"This property is for databinding only, use {nameof(GetContainers)} method instead.")]
+        /*[Obsolete($"This property is for databinding only, use {nameof(GetContainers)} method instead.")]
         public ObservableCollection<ContainerViewModel> Containers
         {
             get
             {
-                if (!_isInitialized) Task.Run(Refresh).Wait();
+                try
+                {
+                    if (!_isInitialized) Task.Run(Refresh).Wait();
+                }
+                catch(Exception e) { }
                 return _containers;
             }
             set
@@ -90,7 +94,11 @@ namespace FileTime.Avalonia.ViewModels
         {
             get
             {
-                if (!_isInitialized) Task.Run(Refresh).Wait();
+                try
+                {
+                    if (!_isInitialized) Task.Run(Refresh).Wait();
+                }
+                catch(Exception e) { }
                 return _elements;
             }
             set
@@ -107,7 +115,11 @@ namespace FileTime.Avalonia.ViewModels
         {
             get
             {
-                if (!_isInitialized) Task.Run(Refresh).Wait();
+                try
+                {
+                    if (!_isInitialized) Task.Run(Refresh).Wait();
+                }
+                catch(Exception e) { }
                 return _items;
             }
             set
@@ -118,6 +130,55 @@ namespace FileTime.Avalonia.ViewModels
                     OnPropertyChanged(nameof(Items));
                 }
             }
+        }*/
+
+        public Task Containers => GetContainers();
+        public Task Elements => GetElements();
+        public Task Items => GetItems();
+
+        public async Task<ObservableCollection<ContainerViewModel>> GetContainers(CancellationToken token = default)
+        {
+            if (!_isInitialized) await Task.Run(async () => await Refresh(false, token: token), token);
+            return _containers;
+        }
+
+        public async Task<ObservableCollection<ElementViewModel>> GetElements(CancellationToken token = default)
+        {
+            if (!_isInitialized) await Task.Run(async () => await Refresh(false, token: token), token);
+            return _elements;
+        }
+
+        public async Task<ObservableCollection<IItemViewModel>> GetItems(CancellationToken token = default)
+        {
+            if (!_isInitialized) await Task.Run(async () => await Refresh(false, token: token), token);
+            return _items;
+        }
+
+        private void SetContainers(ObservableCollection<ContainerViewModel> value)
+        {
+            if (value != _containers)
+            {
+                _containers = value;
+                OnPropertyChanged(nameof(Containers));
+            }
+        }
+
+        private void SetElements(ObservableCollection<ElementViewModel> value)
+        {
+            if (value != _elements)
+            {
+                _elements = value;
+                OnPropertyChanged(nameof(Elements));
+            }
+        }
+
+        private void SetItems(ObservableCollection<IItemViewModel> value)
+        {
+            if (value != _items)
+            {
+                _items = value;
+                OnPropertyChanged(nameof(Items));
+            }
         }
 
         public ContainerViewModel(INewItemProcessor newItemProcessor, ContainerViewModel? parent, IContainer container, ItemNameConverterService itemNameConverterService) : this(itemNameConverterService)
@@ -211,14 +272,14 @@ namespace FileTime.Avalonia.ViewModels
                 }
                 else
                 {
-                    Containers = new ObservableCollection<ContainerViewModel>(newContainers);
+                    SetContainers(new ObservableCollection<ContainerViewModel>(newContainers));
-                    Elements = new ObservableCollection<ElementViewModel>(newElements);
+                    SetElements(new ObservableCollection<ElementViewModel>(newElements));
-                    Items = new ObservableCollection<IItemViewModel>(newContainers.Cast<IItemViewModel>().Concat(newElements));
+                    SetItems(new ObservableCollection<IItemViewModel>(newContainers.Cast<IItemViewModel>().Concat(newElements)));
                 }
 
-                for (var i = 0; i < Items.Count; i++)
+                for (var i = 0; i < _items.Count; i++)
                 {
-                    Items[i].IsAlternative = i % 2 == 1;
+                    _items[i].IsAlternative = i % 2 == 1;
                 }
             }
             catch (Exception e)
@@ -293,7 +354,7 @@ namespace FileTime.Avalonia.ViewModels
                 }
             }
 
-            if(unloadEvents)
+            if (unloadEvents)
             {
                 Container.Refreshed.Remove(Container_Refreshed);
             }
@@ -303,24 +364,6 @@ namespace FileTime.Avalonia.ViewModels
             _items.Clear();
         }
 
-        public async Task<ObservableCollection<ContainerViewModel>> GetContainers(CancellationToken token = default)
-        {
-            if (!_isInitialized) await Task.Run(async () => await Refresh(false, token: token), token);
-            return _containers;
-        }
-
-        public async Task<ObservableCollection<ElementViewModel>> GetElements(CancellationToken token = default)
-        {
-            if (!_isInitialized) await Task.Run(async () => await Refresh(false, token: token), token);
-            return _elements;
-        }
-
-        public async Task<ObservableCollection<IItemViewModel>> GetItems(CancellationToken token = default)
-        {
-            if (!_isInitialized) await Task.Run(async () => await Refresh(false, token: token), token);
-            return _items;
-        }
-
         private void Dispose()
         {
             if (!_disposed)

src/GuiApp/FileTime.Avalonia/Views/MainWindow.axaml

@@ -34,7 +34,6 @@
 					<Rectangle Fill="#01000000"/>
 
 					<StackPanel Margin="20,10" Orientation="Horizontal">
-						<!--TextBlock Text="{Binding AppState.SelectedTab.TabNumber,StringFormat=({0})}" /-->
 						<local:PathPresenter DataContext="{Binding AppState.SelectedTab.CurrentLocation.Container.FullName}"/>
 						<TextBlock
 							Text="{Binding AppState.SelectedTab.SelectedItem.Item.Name}" Foreground="{StaticResource AccentForegroundBrush}" />
@@ -222,9 +221,10 @@
 
 							<Grid>
 								<ListBox
+									x:CompileBindings="False"
 									Classes="ContentListView"
 									IsEnabled="False"
-									Items="{Binding AppState.SelectedTab.Parent.Items}">
+									Items="{Binding AppState.SelectedTab.Parent.Items^}">
 									<ListBox.ItemTemplate>
 										<DataTemplate>
 											<local:ItemView ShowAttributes="False"/>
@@ -244,8 +244,9 @@
 							<Grid Grid.Column="2">
 								<ListBox
 									x:Name="CurrentItems"
+									x:CompileBindings="False"
 									IsTabStop="True"
-									Items="{Binding AppState.SelectedTab.CurrentLocation.Items}"
+									Items="{Binding AppState.SelectedTab.CurrentLocation.Items^}"
 									ScrollViewer.HorizontalScrollBarVisibility="Disabled"
 									ScrollViewer.VerticalScrollBarVisibility="Hidden"
 									SelectedItem="{Binding AppState.SelectedTab.SelectedItem, Mode=TwoWay}"
@@ -258,12 +259,13 @@
 								</ListBox>
 
 								<TextBlock
+									x:CompileBindings="False"
 									x:Name="CurrentEmpty"
 									Margin="10"
 									HorizontalAlignment="Center"
 									FontWeight="Bold"
 									Foreground="{DynamicResource ErrorBrush}"
-									IsVisible="{Binding AppState.SelectedTab.CurrentLocation.Items.Count, Converter={StaticResource EqualityConverter}, ConverterParameter=0}">
+									IsVisible="{Binding AppState.SelectedTab.CurrentLocation.Items^.Count, Converter={StaticResource EqualityConverter}, ConverterParameter=0}">
 									Empty
 								</TextBlock>
 							</Grid>
@@ -282,8 +284,9 @@
 										Classes="ContentListView"
 										IsEnabled="False"
 										x:Name="ChildItems"
-										Items="{Binding AppState.SelectedTab.ChildContainer.Items}"
+										x:CompileBindings="False"
-										IsVisible="{Binding AppState.SelectedTab.ChildContainer.Items.Count, Converter={StaticResource NotEqualsConverter}, ConverterParameter=0}">
+										Items="{Binding AppState.SelectedTab.ChildContainer.Items^}"
+										IsVisible="{Binding AppState.SelectedTab.ChildContainer.Items^.Count, Converter={StaticResource NotEqualsConverter}, ConverterParameter=0}">
 										<ListBox.ItemTemplate>
 											<DataTemplate>
 												<local:ItemView/>
@@ -291,7 +294,9 @@
 										</ListBox.ItemTemplate>
 									</ListBox>
 
-									<Grid IsVisible="{Binding AppState.SelectedTab.ChildContainer.Items.Count, Converter={StaticResource EqualityConverter}, ConverterParameter=0}">
+									<Grid
+										x:CompileBindings="False" 
+										IsVisible="{Binding AppState.SelectedTab.ChildContainer.Items^.Count, Converter={StaticResource EqualityConverter}, ConverterParameter=0}">
 
 										<TextBlock
 											x:Name="ChildEmpty"

src/Providers/FileTime.Providers.Local/LocalFolder.cs

@@ -124,7 +124,8 @@ namespace FileTime.Providers.Local
 
             if (item is IContainer container)
             {
-                return await container.GetByPath(string.Join(Constants.SeparatorChar, paths.Skip(1)), acceptDeepestMatch);
+                var result = await container.GetByPath(string.Join(Constants.SeparatorChar, paths.Skip(1)), acceptDeepestMatch);
+                return result == null && acceptDeepestMatch ? this : result;
             }
 
             return null;

src/Providers/FileTime.Providers.Smb/FileTime.Providers.Smb.csproj

@@ -5,9 +5,10 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>
-    <ProjectReference Include="..\..\Core\FileTime.Core\FileTime.Core.csproj"/>
+    <ProjectReference Include="..\..\Core\FileTime.Core\FileTime.Core.csproj" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="SMBLibrary" Version="1.4.8"/>
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="6.0.0" />
+    <PackageReference Include="SMBLibrary" Version="1.4.8" />
   </ItemGroup>
 </Project>

src/Providers/FileTime.Providers.Smb/Persistence/PersistenceService.cs

@@ -0,0 +1,133 @@
+using System.Text.Json;
+using FileTime.Core.Persistence;
+using System.Security.Cryptography;
+using Microsoft.Extensions.Logging;
+
+namespace FileTime.Providers.Smb.Persistence
+{
+    public class PersistenceService
+    {
+        private const string smbFolderName = "smb";
+        private const string serverFileName = "servers.json";
+        private readonly PersistenceSettings _persistenceSettings;
+        private readonly JsonSerializerOptions _jsonOptions;
+        private static readonly byte[] _encryptionKey = {
+            0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
+            0x09, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16
+        };
+        private readonly ILogger<PersistenceService> _logger;
+
+        public PersistenceService(PersistenceSettings persistenceSettings, ILogger<PersistenceService> logger)
+        {
+            _persistenceSettings = persistenceSettings;
+            _logger = logger;
+
+            _jsonOptions = new JsonSerializerOptions()
+            {
+                PropertyNameCaseInsensitive = true,
+                WriteIndented = true
+            };
+        }
+        public async Task SaveServers(IEnumerable<Smb.SmbServer> servers)
+        {
+            ServersPersistenceRoot root;
+            string? encodedIV = null;
+
+            using (Aes aes = Aes.Create())
+            {
+                aes.Key = _encryptionKey;
+
+                encodedIV = Convert.ToBase64String(aes.IV);
+
+                root = new ServersPersistenceRoot()
+                {
+                    Key = encodedIV,
+                    Servers = servers.Select(s => SaveServer(s, aes)).ToList()
+                };
+            }
+
+            var smbDirectory = new DirectoryInfo(Path.Combine(_persistenceSettings.RootAppDataPath, smbFolderName));
+            if (!smbDirectory.Exists) smbDirectory.Create();
+
+            var serversPath = Path.Combine(_persistenceSettings.RootAppDataPath, smbFolderName, serverFileName);
+
+            using var stream = File.Create(serversPath);
+            await JsonSerializer.SerializeAsync(stream, root, _jsonOptions);
+        }
+
+        public async Task<List<SmbServer>> LoadServers()
+        {
+            var serverFilePath = Path.Combine(_persistenceSettings.RootAppDataPath, smbFolderName, serverFileName);
+            var servers = new List<SmbServer>();
+
+            if (!new FileInfo(serverFilePath).Exists) return servers;
+
+            using var stream = File.OpenRead(serverFilePath);
+            var serversRoot = await JsonSerializer.DeserializeAsync<ServersPersistenceRoot>(stream);
+
+            if (serversRoot == null) return servers;
+
+            if (!string.IsNullOrEmpty(serversRoot.Key))
+            {
+                var iv = Convert.FromBase64String(serversRoot.Key);
+
+                using Aes aes = Aes.Create();
+                foreach (var server in serversRoot.Servers)
+                {
+                    try
+                    {
+                        if (string.IsNullOrEmpty(server.Password)) continue;
+
+                        using var memoryStream = new MemoryStream();
+                        memoryStream.Write(Convert.FromBase64String(server.Password));
+                        memoryStream.Position = 0;
+
+                        using CryptoStream cryptoStream = new(
+                           memoryStream,
+                           aes.CreateDecryptor(_encryptionKey, iv),
+                           CryptoStreamMode.Read);
+                        using StreamReader decryptReader = new(cryptoStream);
+                        server.Password = await decryptReader.ReadToEndAsync();
+                    }
+                    catch(Exception e)
+                    {
+                        _logger.LogError(e, "Unkown error while decrypting password for {0}", server.Name);
+                    }
+                }
+            }
+
+            servers.AddRange(serversRoot.Servers);
+
+            return servers;
+        }
+
+        private static SmbServer SaveServer(Smb.SmbServer server, Aes aes)
+        {
+            var encryptedPassword = "";
+            using (var memoryStream = new MemoryStream())
+            {
+                using CryptoStream cryptoStream = new(
+                    memoryStream,
+                    aes.CreateEncryptor(),
+                    CryptoStreamMode.Write);
+                using StreamWriter encryptWriter = new(cryptoStream);
+                {
+                    encryptWriter.Write(server.Password);
+                    encryptWriter.Flush();
+                    cryptoStream.FlushFinalBlock();
+                }
+
+                var a = memoryStream.ToArray();
+                encryptedPassword = Convert.ToBase64String(a);
+            }
+
+            return new SmbServer()
+            {
+                Path = server.Name,
+                Name = server.Name,
+                UserName = server.Username,
+                Password = encryptedPassword
+            };
+        }
+    }
+}

src/Providers/FileTime.Providers.Smb/Persistence/ServersPersistenceRoot.cs

@@ -0,0 +1,8 @@
+namespace FileTime.Providers.Smb.Persistence
+{
+    public class ServersPersistenceRoot
+    {
+        public string Key { get; set; }
+        public List<SmbServer> Servers { get; set; }
+    }
+}

src/Providers/FileTime.Providers.Smb/Persistence/SmbServer.cs

@@ -0,0 +1,10 @@
+namespace FileTime.Providers.Smb.Persistence
+{
+    public class SmbServer
+    {
+        public string Path { get; set; }
+        public string Name { get; set; }
+        public string? UserName { get; set; }
+        public string? Password { get; set; }
+    }
+}

src/Providers/FileTime.Providers.Smb/SmbClientContext.cs

@@ -7,7 +7,7 @@ namespace FileTime.Providers.Smb
         private readonly Func<Task<ISMBClient>> _getSmbClient;
         private readonly Action _disposeClient;
         private bool _isRunning;
-        private readonly object _lock = new object();
+        private readonly object _lock = new();
 
         public SmbClientContext(Func<Task<ISMBClient>> getSmbClient, Action disposeClient)
         {

src/Providers/FileTime.Providers.Smb/SmbContentProvider.cs

@@ -3,17 +3,23 @@ using AsyncEvent;
 using FileTime.Core.Interactions;
 using FileTime.Core.Models;
 using FileTime.Core.Providers;
+using Microsoft.Extensions.Logging;
 
 namespace FileTime.Providers.Smb
 {
     public class SmbContentProvider : IContentProvider
     {
+        private readonly object _initializationGuard = new object();
+        private bool _initialized;
+        private bool _initializing;
         private IContainer? _parent;
         private readonly IInputInterface _inputInterface;
         private readonly List<IContainer> _rootContainers;
         private readonly IReadOnlyList<IContainer> _rootContainersReadOnly;
-        private IReadOnlyList<IItem>? _items;
+        private IReadOnlyList<IItem> _items;
-        private readonly IReadOnlyList<IElement>? _elements = new List<IElement>().AsReadOnly();
+        private readonly IReadOnlyList<IElement> _elements = new List<IElement>().AsReadOnly();
+        private readonly Persistence.PersistenceService _persistenceService;
+        private readonly ILogger<SmbContentProvider> _logger;
 
         public string Name { get; } = "smb";
 
@@ -33,12 +39,14 @@ namespace FileTime.Providers.Smb
 
         public bool IsDestroyed => false;
 
-        public SmbContentProvider(IInputInterface inputInterface)
+        public SmbContentProvider(IInputInterface inputInterface, Persistence.PersistenceService persistenceService, ILogger<SmbContentProvider> logger)
         {
             _rootContainers = new List<IContainer>();
             _items = new List<IItem>();
             _rootContainersReadOnly = _rootContainers.AsReadOnly();
             _inputInterface = inputInterface;
+            _persistenceService = persistenceService;
+            _logger = logger;
         }
 
         public async Task<IContainer> CreateContainer(string name)
@@ -55,6 +63,8 @@ namespace FileTime.Providers.Smb
 
             await RefreshAsync();
 
+            await SaveServers();
+
             return container;
         }
 
@@ -74,7 +84,7 @@ namespace FileTime.Providers.Smb
 
             var pathParts = path.TrimStart(Constants.SeparatorChar).Split(Constants.SeparatorChar);
 
-            var rootContainer = _rootContainers.Find(c => c.Name == pathParts[0]);
+            var rootContainer = (await GetContainers())?.FirstOrDefault(c => c.Name == pathParts[0]);
 
             if (rootContainer == null)
             {
@@ -98,9 +108,19 @@ namespace FileTime.Providers.Smb
         public void SetParent(IContainer container) => _parent = container;
         public Task<IReadOnlyList<IContainer>> GetRootContainers(CancellationToken token = default) => Task.FromResult(_rootContainersReadOnly);
 
-        public Task<IReadOnlyList<IItem>?> GetItems(CancellationToken token = default) => Task.FromResult(_items);
+        public async Task<IReadOnlyList<IItem>?> GetItems(CancellationToken token = default)
-        public Task<IReadOnlyList<IContainer>?> GetContainers(CancellationToken token = default) => Task.FromResult((IReadOnlyList<IContainer>?)_rootContainersReadOnly);
+        {
-        public Task<IReadOnlyList<IElement>?> GetElements(CancellationToken token = default) => Task.FromResult(_elements);
+            await Init();
+            return _items;
+        }
+
+        public async Task<IReadOnlyList<IContainer>?> GetContainers(CancellationToken token = default)
+        {
+            await Init();
+            return _rootContainersReadOnly;
+        }
+
+        public Task<IReadOnlyList<IElement>?> GetElements(CancellationToken token = default) => Task.FromResult((IReadOnlyList<IElement>?)_elements);
 
         public Task Rename(string newName) => throw new NotSupportedException();
         public Task<bool> CanOpen() => Task.FromResult(true);
@@ -108,5 +128,54 @@ namespace FileTime.Providers.Smb
         public void Destroy() { }
 
         public void Unload() { }
+
+        public async Task SaveServers()
+        {
+            try
+            {
+                await _persistenceService.SaveServers(_rootContainers.OfType<SmbServer>());
+            }
+            catch (Exception e)
+            {
+                _logger.LogError(e, "Unkown error while saving smb server states.");
+            }
+        }
+
+        private async Task Init()
+        {
+            while (true)
+            {
+                lock (_initializationGuard)
+                {
+                    if (!_initializing)
+                    {
+                        _initializing = true;
+                        break;
+                    }
+                }
+                await Task.Delay(1);
+            }
+            try
+            {
+                if (_initialized) return;
+                if (_items.Count > 0) return;
+                _initialized = true;
+
+                var servers = await _persistenceService.LoadServers();
+                foreach (var server in servers)
+                {
+                    var smbServer = new SmbServer(server.Path, this, _inputInterface, server.UserName, server.Password);
+                    _rootContainers.Add(smbServer);
+                }
+                _items = _rootContainers.OrderBy(c => c.Name).ToList().AsReadOnly();
+            }
+            finally
+            {
+                lock (_initializationGuard)
+                {
+                    _initializing = false;
+                }
+            }
+        }
     }
 }

src/Providers/FileTime.Providers.Smb/SmbFolder.cs

@@ -55,25 +55,6 @@ namespace FileTime.Providers.Smb
 
         public Task<IContainer> Clone() => Task.FromResult((IContainer)this);
 
-        public async Task<IItem?> GetByPath(string path, bool acceptDeepestMatch = false)
-        {
-            var paths = path.Split(Constants.SeparatorChar);
-
-            var item = (await GetItems())?.FirstOrDefault(i => i.Name == paths[0]);
-
-            if (paths.Length == 1)
-            {
-                return item;
-            }
-
-            if (item is IContainer container)
-            {
-                return await container.GetByPath(string.Join(Constants.SeparatorChar, paths.Skip(1)), acceptDeepestMatch);
-            }
-
-            return null;
-        }
-
         public IContainer? GetParent() => _parent;
 
         public Task<bool> IsExists(string name)

src/Providers/FileTime.Providers.Smb/SmbServer.cs

@@ -10,17 +10,18 @@ namespace FileTime.Providers.Smb
 {
     public class SmbServer : IContainer
     {
-        private string? _username;
+        private bool _reenterCredentials;
-        private string? _password;
 
         private IReadOnlyList<IContainer>? _shares;
         private IReadOnlyList<IItem>? _items;
         private readonly IReadOnlyList<IElement>? _elements = new List<IElement>().AsReadOnly();
         private ISMBClient? _client;
-        private readonly object _clientGuard = new object();
+        private readonly object _clientGuard = new();
         private bool _refreshingClient;
         private readonly IInputInterface _inputInterface;
         private readonly SmbClientContext _smbClientContext;
+        public string? Username { get; private set; }
+        public string? Password { get; private set; }
 
         public string Name { get; }
 
@@ -42,10 +43,12 @@ namespace FileTime.Providers.Smb
 
         public bool IsDestroyed => false;
 
-        public SmbServer(string path, SmbContentProvider contentProvider, IInputInterface inputInterface)
+        public SmbServer(string path, SmbContentProvider contentProvider, IInputInterface inputInterface, string? username = null, string? password = null)
         {
             _inputInterface = inputInterface;
             _smbClientContext = new SmbClientContext(GetSmbClient, DisposeSmbClient);
+            Username = username;
+            Password = password;
 
             Provider = contentProvider;
             FullName = Name = path;
@@ -53,12 +56,12 @@ namespace FileTime.Providers.Smb
 
         public async Task<IReadOnlyList<IItem>?> GetItems(CancellationToken token = default)
         {
-            if (_shares == null) await RefreshAsync();
+            if (_shares == null) await RefreshAsync(token);
             return _shares;
         }
         public async Task<IReadOnlyList<IContainer>?> GetContainers(CancellationToken token = default)
         {
-            if (_shares == null) await RefreshAsync();
+            if (_shares == null) await RefreshAsync(token);
             return _shares;
         }
         public Task<IReadOnlyList<IElement>?> GetElements(CancellationToken token = default)
@@ -81,9 +84,24 @@ namespace FileTime.Providers.Smb
             return Task.CompletedTask;
         }
 
-        public Task<IItem?> GetByPath(string path, bool acceptDeepestMatch = false)
+        public async Task<IItem?> GetByPath(string path, bool acceptDeepestMatch = false)
         {
-            throw new NotImplementedException();
+            var paths = path.Split(Constants.SeparatorChar);
+
+            var item = (await GetItems())!.FirstOrDefault(i => i.Name == paths[0]);
+
+            if (paths.Length == 1)
+            {
+                return item;
+            }
+
+            if (item is IContainer container)
+            {
+                var result = await container.GetByPath(string.Join(Constants.SeparatorChar, paths.Skip(1)), acceptDeepestMatch);
+                return result == null && acceptDeepestMatch ? this : result;
+            }
+
+            return null;
         }
 
         public IContainer? GetParent() => Provider;
@@ -152,30 +170,32 @@ namespace FileTime.Providers.Smb
 
                 if (connected)
                 {
-                    if (_username == null && _password == null)
+                    if (_reenterCredentials || Username == null || Password == null)
                     {
                         var inputs = await _inputInterface.ReadInputs(
                             new InputElement[]
                             {
-                                new InputElement($"Username for '{Name}'", InputType.Text),
+                                new InputElement($"Username for '{Name}'", InputType.Text, Username ?? ""),
-                                new InputElement($"Password for '{Name}'", InputType.Password)
+                                new InputElement($"Password for '{Name}'", InputType.Password, Password ?? "")
                             });
 
-                        _username = inputs[0];
+                        Username = inputs[0];
-                        _password = inputs[1];
+                        Password = inputs[1];
                     }
 
-                    if (client.Login(string.Empty, _username, _password) != NTStatus.STATUS_SUCCESS)
+                    if (client.Login(string.Empty, Username, Password) != NTStatus.STATUS_SUCCESS)
                     {
-                        _username = null;
+                        _reenterCredentials = true;
-                        _password = null;
                     }
                     else
                     {
+                        _reenterCredentials = false;
                         lock (_clientGuard)
                         {
                             _client = client;
                         }
+
+                        await Provider.SaveServers();
                     }
                 }
             }

src/Providers/FileTime.Providers.Smb/SmbShare.cs

@@ -11,7 +11,7 @@ namespace FileTime.Providers.Smb
         private IReadOnlyList<IItem>? _items;
         private IReadOnlyList<IContainer>? _containers;
         private IReadOnlyList<IElement>? _elements;
-        private SmbClientContext _smbClientContext;
+        private readonly SmbClientContext _smbClientContext;
         private readonly IContainer? _parent;
 
         public string Name { get; }
@@ -45,17 +45,17 @@ namespace FileTime.Providers.Smb
 
         public async Task<IReadOnlyList<IItem>?> GetItems(CancellationToken token = default)
         {
-            if (_items == null) await RefreshAsync();
+            if (_items == null) await RefreshAsync(token);
             return _items;
         }
         public async Task<IReadOnlyList<IContainer>?> GetContainers(CancellationToken token = default)
         {
-            if (_containers == null) await RefreshAsync();
+            if (_containers == null) await RefreshAsync(token);
             return _containers;
         }
         public async Task<IReadOnlyList<IElement>?> GetElements(CancellationToken token = default)
         {
-            if (_elements == null) await RefreshAsync();
+            if (_elements == null) await RefreshAsync(token);
             return _elements;
         }
 
@@ -74,25 +74,6 @@ namespace FileTime.Providers.Smb
             throw new NotImplementedException();
         }
 
-        public async Task<IItem?> GetByPath(string path, bool acceptDeepestMatch = false)
-        {
-            var paths = path.Split(Constants.SeparatorChar);
-
-            var item = (await GetItems())?.FirstOrDefault(i => i.Name == paths[0]);
-
-            if (paths.Length == 1)
-            {
-                return item;
-            }
-
-            if (item is IContainer container)
-            {
-                return await container.GetByPath(string.Join(Constants.SeparatorChar, paths.Skip(1)), acceptDeepestMatch);
-            }
-
-            return null;
-        }
-
         public IContainer? GetParent() => _parent;
 
         public Task<IContainer> Clone() => Task.FromResult((IContainer)this);

src/Providers/FileTime.Providers.Smb/Startup.cs

@@ -0,0 +1,14 @@
+using FileTime.Providers.Smb.Persistence;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace FileTime.Providers.Smb
+{
+    public static class Startup
+    {
+        public static IServiceCollection AddSmbServices(this IServiceCollection serviceCollection)
+        {
+            return serviceCollection
+                .AddSingleton<PersistenceService>();
+        }
+    }
+}