Disable App Platform authentication

d2dyno1 · d2dyno1 · commit 210596428735 · 2026-05-18T00:29:10.000+02:00
diff --git a/src/Platforms/SecureFolderFS.Maui/Platforms/Android/ServiceImplementation/AndroidVaultCredentialsService.cs b/src/Platforms/SecureFolderFS.Maui/Platforms/Android/ServiceImplementation/AndroidVaultCredentialsService.cs
@@ -40,9 +40,18 @@ protected override async IAsyncEnumerable<AuthenticationViewModel> GetLoginAsync
             {
                 yield return item switch
                 {
+                    // Password
                     Constants.Vault.Authentication.AUTH_PASSWORD => new PasswordLoginViewModel(),
+                    
+                    // Key File
                     Constants.Vault.Authentication.AUTH_KEYFILE => new KeyFileLoginViewModel(vaultFolder),
+                    
+                    // Android Biometrics
                     Constants.Vault.Authentication.AUTH_ANDROID_BIOMETRIC => new AndroidBiometricLoginViewModel(vaultFolder, vaultId),
+                    
+                    // App Platform
+                    Constants.Vault.Authentication.AUTH_APP_PLATFORM => new AppPlatformLoginViewModel(),
+                    
                     _ => throw new NotSupportedException($"The authentication method '{item}' is not supported by the platform.")
                 };
             }
diff --git a/src/Platforms/SecureFolderFS.Maui/Platforms/iOS/ServiceImplementation/IOSVaultCredentialsService.cs b/src/Platforms/SecureFolderFS.Maui/Platforms/iOS/ServiceImplementation/IOSVaultCredentialsService.cs
@@ -47,15 +47,24 @@ protected override async IAsyncEnumerable<AuthenticationViewModel> GetLoginAsync
             {
                 yield return item switch
                 {
+                    // Password
                     Constants.Vault.Authentication.AUTH_PASSWORD => new PasswordLoginViewModel(),
+                    
+                    // Key File
                     Constants.Vault.Authentication.AUTH_KEYFILE => new KeyFileLoginViewModel(vaultFolder),
+                    
+                    // Apple Biometrics
                     Constants.Vault.Authentication.AUTH_APPLE_BIOMETRIC when AreBiometricsAvailable(out var biometryType) => 
                         new IOSBiometricLoginViewModel(vaultFolder, vaultId, biometryType switch
                         {
                             LABiometryType.FaceId => "Face ID",
                             LABiometryType.TouchId => "Touch ID",
                             _ => string.Empty
                         }),
+                    
+                    // App Platform
+                    Constants.Vault.Authentication.AUTH_APP_PLATFORM => new AppPlatformLoginViewModel(),
+                    
                     _ => throw new NotSupportedException($"The authentication method '{item}' is not supported by the platform.")
                 };
             }
diff --git a/src/Platforms/SecureFolderFS.UI/ViewModels/Authentication/AppPlatformLoginViewModel.cs b/src/Platforms/SecureFolderFS.UI/ViewModels/Authentication/AppPlatformLoginViewModel.cs
@@ -0,0 +1,54 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using SecureFolderFS.Sdk.Enums;
+using SecureFolderFS.Sdk.EventArguments;
+using SecureFolderFS.Sdk.ViewModels.Controls.Authentication;
+using SecureFolderFS.Shared.ComponentModel;
+
+namespace SecureFolderFS.UI.ViewModels.Authentication
+{
+    public sealed partial class AppPlatformLoginViewModel : AuthenticationViewModel
+    {
+        /// <inheritdoc/>
+        public override event EventHandler<EventArgs>? StateChanged;
+        
+        /// <inheritdoc/>
+        public override event EventHandler<CredentialsProvidedEventArgs>? CredentialsProvided;
+
+        /// <inheritdoc/>
+        public override bool CanComplement { get; } = false;
+
+        /// <inheritdoc/>
+        public override AuthenticationStage Availability { get; } = AuthenticationStage.FirstStageOnly;
+        
+        public AppPlatformLoginViewModel()
+            : base(Core.Constants.Vault.Authentication.AUTH_APP_PLATFORM)
+        {
+        }
+
+        /// <inheritdoc/>
+        public override Task RevokeAsync(string? id, CancellationToken cancellationToken = default)
+        {
+            return Task.FromException(new NotSupportedException());
+        }
+
+        /// <inheritdoc/>
+        public override Task<IResult<IKeyBytes>> EnrollAsync(string id, byte[]? data, CancellationToken cancellationToken = default)
+        {
+            return Task.FromException<IResult<IKeyBytes>>(new NotSupportedException());
+        }
+
+        /// <inheritdoc/>
+        public override Task<IResult<IKeyBytes>> AcquireAsync(string id, byte[]? data, CancellationToken cancellationToken = default)
+        {
+            return Task.FromException<IResult<IKeyBytes>>(new NotSupportedException());
+        }
+
+        /// <inheritdoc/>
+        protected override Task ProvideCredentialsAsync(CancellationToken cancellationToken)
+        {
+            return Task.CompletedTask;
+        }
+    }
+}
diff --git a/src/Platforms/SecureFolderFS.Uno/Platforms/Desktop/ServiceImplementation/SkiaVaultCredentialsService.cs b/src/Platforms/SecureFolderFS.Uno/Platforms/Desktop/ServiceImplementation/SkiaVaultCredentialsService.cs
@@ -62,11 +62,24 @@ protected override async IAsyncEnumerable<AuthenticationViewModel> GetLoginAsync
             {
                 yield return item switch
                 {
+                    // Password
                     Constants.Vault.Authentication.AUTH_PASSWORD => new PasswordLoginViewModel() { Icon = new ImageGlyph("\uE8AC") },
+                    
+                    // Yubikey
                     Constants.Vault.Authentication.AUTH_YUBIKEY => new YubiKeyLoginViewModel(vaultFolder, vaultId) { Icon = new ImageGlyph("\uEE7E") },
+                    
+                    // Key File
                     Constants.Vault.Authentication.AUTH_KEYFILE => new KeyFileLoginViewModel(vaultFolder) { Icon = new ImageGlyph("\uE8D7") },
+                    
+                    // Touch ID
                     Constants.Vault.Authentication.AUTH_APPLE_MACOS => new MacOSBiometricsLoginViewModel(vaultFolder, vaultId),
+                    
+                    // Device Link
                     Constants.Vault.Authentication.AUTH_DEVICE_LINK => new DeviceLinkLoginViewModel(vaultFolder, vaultId).WithInitAsync(cancellationToken),
+                    
+                    // App Platform
+                    Constants.Vault.Authentication.AUTH_APP_PLATFORM => new AppPlatformLoginViewModel(),
+                    
                     _ => throw new NotSupportedException($"The authentication method '{item}' is not supported by the platform.")
                 };
             }
diff --git a/src/Platforms/SecureFolderFS.Uno/Platforms/Windows/ServiceImplementation/WindowsVaultCredentialsService.cs b/src/Platforms/SecureFolderFS.Uno/Platforms/Windows/ServiceImplementation/WindowsVaultCredentialsService.cs
@@ -73,6 +73,9 @@ protected override async IAsyncEnumerable<AuthenticationViewModel> GetLoginAsync
 
                     // Device Link
                     Constants.Vault.Authentication.AUTH_DEVICE_LINK => new DeviceLinkLoginViewModel(vaultFolder, vaultId) { Icon = new ImageGlyph("\uE8EA") },
+                    
+                    // App Platform
+                    Constants.Vault.Authentication.AUTH_APP_PLATFORM => new AppPlatformLoginViewModel(),
 
                     _ => throw new NotSupportedException($"The authentication method '{item}' is not supported by the platform.")
                 };
diff --git a/src/Platforms/SecureFolderFS.Uno/TemplateSelectors/LoginTemplateSelector.cs b/src/Platforms/SecureFolderFS.Uno/TemplateSelectors/LoginTemplateSelector.cs
@@ -25,6 +25,8 @@ internal sealed class LoginTemplateSelector : BaseTemplateSelector<ObservableObj
         public DataTemplate? TouchIDTemplate { get; set; }
 
         public DataTemplate? DeviceLinkTemplate { get; set; }
+        
+        public DataTemplate? AppPlatformTemplate { get; set; }
 
         public DataTemplate? MigrationTemplate { get; set; }
         
@@ -50,6 +52,7 @@ internal sealed class LoginTemplateSelector : BaseTemplateSelector<ObservableObj
                 MacOSBiometricsLoginViewModel => TouchIDTemplate,
 #endif
                 DeviceLinkLoginViewModel => DeviceLinkTemplate,
+                AppPlatformLoginViewModel => AppPlatformTemplate,
                 PersistedAuthenticationViewModel => PersistedAuthenticationTemplate,
                 MigrationViewModel => MigrationTemplate,
                 ErrorViewModel => ErrorTemplate,
diff --git a/src/Platforms/SecureFolderFS.Uno/UserControls/LoginControl.xaml b/src/Platforms/SecureFolderFS.Uno/UserControls/LoginControl.xaml
@@ -138,6 +138,24 @@
             </StackPanel>
         </DataTemplate>
 
+        <DataTemplate x:Key="AppPlatformTemplate" x:DataType="vm:AppPlatformLoginViewModel">
+            <StackPanel Spacing="24">
+                <!--  Icon  -->
+                <FontIcon
+                    HorizontalAlignment="Center"
+                    FontSize="24"
+                    Glyph="&#xF69B;" />
+
+                <!--  Info  -->
+                <InfoBar
+                    HorizontalAlignment="Center"
+                    IsClosable="False"
+                    IsOpen="True"
+                    Message="Authenticating with App Platform is not supported in this version. Please update SecureFolderFS."
+                    Severity="Warning" />
+            </StackPanel>
+        </DataTemplate>
+
         <!--  Migration Template  -->
         <DataTemplate x:Key="MigrationTemplate" x:DataType="vm5:MigrationViewModel">
             <StackPanel Spacing="4">
@@ -233,6 +251,7 @@
         IsTabStop="False">
         <ContentControl.ContentTemplateSelector>
             <ts:LoginTemplateSelector
+                AppPlatformTemplate="{StaticResource AppPlatformTemplate}"
                 DeviceLinkTemplate="{StaticResource DeviceLinkTemplate}"
                 ErrorTemplate="{StaticResource ErrorTemplate}"
                 KeyFileTemplate="{StaticResource KeyFileTemplate}"
diff --git a/src/Platforms/SecureFolderFS.Uno/UserControls/LoginOptions.xaml b/src/Platforms/SecureFolderFS.Uno/UserControls/LoginOptions.xaml
@@ -19,7 +19,6 @@
                     <CheckBox
                         Content="{l:ResourceString Rid=SaveCredentials}"
                         IsChecked="{x:Bind ShouldSaveCredentials, Mode=TwoWay}"
-                        IsEnabled="False"
                         Visibility="{x:Bind AreCredentialsSaved, Mode=OneWay, Converter={StaticResource BoolInvertConverter}}" />
 
                     <Button

Original file line number	Diff line number	Diff line change
`@@ -40,9 +40,18 @@ protected override async IAsyncEnumerable<AuthenticationViewModel> GetLoginAsync`
`40`	`40`	`{`
`41`	`41`	`yield return item switch`
`42`	`42`	`{`
	`43`	`+ // Password`
`43`	`44`	`Constants.Vault.Authentication.AUTH_PASSWORD => new PasswordLoginViewModel(),`
	`45`	`+`
	`46`	`+ // Key File`
`44`	`47`	`Constants.Vault.Authentication.AUTH_KEYFILE => new KeyFileLoginViewModel(vaultFolder),`
	`48`	`+`
	`49`	`+ // Android Biometrics`
`45`	`50`	`Constants.Vault.Authentication.AUTH_ANDROID_BIOMETRIC => new AndroidBiometricLoginViewModel(vaultFolder, vaultId),`
	`51`	`+`
	`52`	`+ // App Platform`
	`53`	`+ Constants.Vault.Authentication.AUTH_APP_PLATFORM => new AppPlatformLoginViewModel(),`
	`54`	`+`
`46`	`55`	`_ => throw new NotSupportedException($"The authentication method '{item}' is not supported by the platform.")`
`47`	`56`	`};`
`48`	`57`	`}`