feat: application pakages

TheIdServer.sln

@@ -71,7 +71,15 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Aguacongas.TheIdServer.Auth
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Aguacongas.TheIdServer.Authentication.IntegrationTest", "test\Aguacongas.TheIdServer.Authentication..Integration.Test\Aguacongas.TheIdServer.Authentication.IntegrationTest.csproj", "{7F9CAFD6-D361-4CB8-A6E1-7F1D0BEE4AEB}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Aguacongas.TheIdServer.Test", "test\Aguacongas.TheIdServer.Test\Aguacongas.TheIdServer.Test.csproj", "{34B6748E-64C1-46A3-AABE-56E215204542}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Aguacongas.TheIdServer.Test", "test\Aguacongas.TheIdServer.Test\Aguacongas.TheIdServer.Test.csproj", "{34B6748E-64C1-46A3-AABE-56E215204542}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "BlazorApp", "BlazorApp", "{8A3B91E5-02A3-42F0-B2E7-E419B5086FFA}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Aguacongas.TheIdServer.BlazorApp.Infrastructure", "src\BlazorApp\Aguacongas.TheIdServer.BlazorApp.Infrastructure\Aguacongas.TheIdServer.BlazorApp.Infrastructure.csproj", "{C2806393-D1EB-4DDE-8A4B-AA65014B8D08}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Aguacongas.TheIdServer.BlazorApp.Components", "src\BlazorApp\Aguacongas.TheIdServer.BlazorApp.Components\Aguacongas.TheIdServer.BlazorApp.Components.csproj", "{54A378B8-9BA4-4082-A044-2A8DEA7DEAEA}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Aguacongas.TheIdServer.BlazorApp.Pages", "src\BlazorApp\Aguacongas.TheIdServer.BlazorApp.Pages\Aguacongas.TheIdServer.BlazorApp.Pages.csproj", "{665F5796-7F54-44D7-8976-9ADA169353F1}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -443,6 +451,42 @@ Global
 		{34B6748E-64C1-46A3-AABE-56E215204542}.Release|x64.Build.0 = Release|Any CPU
 		{34B6748E-64C1-46A3-AABE-56E215204542}.Release|x86.ActiveCfg = Release|Any CPU
 		{34B6748E-64C1-46A3-AABE-56E215204542}.Release|x86.Build.0 = Release|Any CPU
+		{C2806393-D1EB-4DDE-8A4B-AA65014B8D08}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C2806393-D1EB-4DDE-8A4B-AA65014B8D08}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C2806393-D1EB-4DDE-8A4B-AA65014B8D08}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{C2806393-D1EB-4DDE-8A4B-AA65014B8D08}.Debug|x64.Build.0 = Debug|Any CPU
+		{C2806393-D1EB-4DDE-8A4B-AA65014B8D08}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{C2806393-D1EB-4DDE-8A4B-AA65014B8D08}.Debug|x86.Build.0 = Debug|Any CPU
+		{C2806393-D1EB-4DDE-8A4B-AA65014B8D08}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C2806393-D1EB-4DDE-8A4B-AA65014B8D08}.Release|Any CPU.Build.0 = Release|Any CPU
+		{C2806393-D1EB-4DDE-8A4B-AA65014B8D08}.Release|x64.ActiveCfg = Release|Any CPU
+		{C2806393-D1EB-4DDE-8A4B-AA65014B8D08}.Release|x64.Build.0 = Release|Any CPU
+		{C2806393-D1EB-4DDE-8A4B-AA65014B8D08}.Release|x86.ActiveCfg = Release|Any CPU
+		{C2806393-D1EB-4DDE-8A4B-AA65014B8D08}.Release|x86.Build.0 = Release|Any CPU
+		{54A378B8-9BA4-4082-A044-2A8DEA7DEAEA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{54A378B8-9BA4-4082-A044-2A8DEA7DEAEA}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{54A378B8-9BA4-4082-A044-2A8DEA7DEAEA}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{54A378B8-9BA4-4082-A044-2A8DEA7DEAEA}.Debug|x64.Build.0 = Debug|Any CPU
+		{54A378B8-9BA4-4082-A044-2A8DEA7DEAEA}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{54A378B8-9BA4-4082-A044-2A8DEA7DEAEA}.Debug|x86.Build.0 = Debug|Any CPU
+		{54A378B8-9BA4-4082-A044-2A8DEA7DEAEA}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{54A378B8-9BA4-4082-A044-2A8DEA7DEAEA}.Release|Any CPU.Build.0 = Release|Any CPU
+		{54A378B8-9BA4-4082-A044-2A8DEA7DEAEA}.Release|x64.ActiveCfg = Release|Any CPU
+		{54A378B8-9BA4-4082-A044-2A8DEA7DEAEA}.Release|x64.Build.0 = Release|Any CPU
+		{54A378B8-9BA4-4082-A044-2A8DEA7DEAEA}.Release|x86.ActiveCfg = Release|Any CPU
+		{54A378B8-9BA4-4082-A044-2A8DEA7DEAEA}.Release|x86.Build.0 = Release|Any CPU
+		{665F5796-7F54-44D7-8976-9ADA169353F1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{665F5796-7F54-44D7-8976-9ADA169353F1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{665F5796-7F54-44D7-8976-9ADA169353F1}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{665F5796-7F54-44D7-8976-9ADA169353F1}.Debug|x64.Build.0 = Debug|Any CPU
+		{665F5796-7F54-44D7-8976-9ADA169353F1}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{665F5796-7F54-44D7-8976-9ADA169353F1}.Debug|x86.Build.0 = Debug|Any CPU
+		{665F5796-7F54-44D7-8976-9ADA169353F1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{665F5796-7F54-44D7-8976-9ADA169353F1}.Release|Any CPU.Build.0 = Release|Any CPU
+		{665F5796-7F54-44D7-8976-9ADA169353F1}.Release|x64.ActiveCfg = Release|Any CPU
+		{665F5796-7F54-44D7-8976-9ADA169353F1}.Release|x64.Build.0 = Release|Any CPU
+		{665F5796-7F54-44D7-8976-9ADA169353F1}.Release|x86.ActiveCfg = Release|Any CPU
+		{665F5796-7F54-44D7-8976-9ADA169353F1}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -480,6 +524,10 @@ Global
 		{9F64CDFF-6347-4F62-B74F-C6CA2743E667} = {DF545B54-78FB-42D0-A842-A1490A579B37}
 		{7F9CAFD6-D361-4CB8-A6E1-7F1D0BEE4AEB} = {DE50F426-4409-4573-8502-93364ED12E0C}
 		{34B6748E-64C1-46A3-AABE-56E215204542} = {DE50F426-4409-4573-8502-93364ED12E0C}
+		{8A3B91E5-02A3-42F0-B2E7-E419B5086FFA} = {DF545B54-78FB-42D0-A842-A1490A579B37}
+		{C2806393-D1EB-4DDE-8A4B-AA65014B8D08} = {8A3B91E5-02A3-42F0-B2E7-E419B5086FFA}
+		{54A378B8-9BA4-4082-A044-2A8DEA7DEAEA} = {8A3B91E5-02A3-42F0-B2E7-E419B5086FFA}
+		{665F5796-7F54-44D7-8976-9ADA169353F1} = {8A3B91E5-02A3-42F0-B2E7-E419B5086FFA}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {5283BE0B-F6F2-4458-B12F-64C78CFF8CBA}

src/Aguacongas.TheIdServer.BlazorApp/Aguacongas.TheIdServer.BlazorApp.csproj

@@ -8,8 +8,8 @@
 		<PackageProjectUrl>https://github.com/Aguafrommars/TheIdServer/tree/master/src/Aguacongas.TheIdServer.BlazorApp</PackageProjectUrl>
 		<RepositoryUrl>https://github.com/Aguafrommars/TheIdServer</RepositoryUrl>
 		<RepositoryType>git</RepositoryType>
-		<PackageTags>theidserver;identity</PackageTags>
-		<Description>Identity stores implementation for TheIdServer API.</Description>
+		<PackageTags>theidserver;identityserver4;oidc;oauth;identity,authentication;security</PackageTags>
+		<Description>TheIdServer administration application.</Description>
 		<DebugType>Full</DebugType>
 		<RazorLangVersion>3.0</RazorLangVersion>
 	</PropertyGroup>
@@ -20,6 +20,7 @@
 
 	<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
 		<CodeAnalysisRuleSet>Aguacongas.TheIdServer.BlazorApp.ruleset</CodeAnalysisRuleSet>
+		<NoWarn>1701;1702</NoWarn>
 	</PropertyGroup>
 
 	<ItemGroup>
@@ -29,8 +30,6 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Aguacongas.AspNetCore.Authentication.EntityFramework" Version="3.1.1" />
-		<PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="3.2.0-preview5.20216.8" />
 		<PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Build" Version="3.2.0-preview5.20216.8" PrivateAssets="all" />
 		<PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="3.2.0-preview5.20216.8" PrivateAssets="all" />
 		<PackageReference Include="Microsoft.AspNetCore.Blazor.HttpClient" Version="3.2.0-preview3.20168.3" />
@@ -41,6 +40,6 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<ProjectReference Include="..\IdentityServer\Aguacongas.IdentityServer.Admin.Http.Store\Aguacongas.IdentityServer.Admin.Http.Store.csproj" />
+	  <ProjectReference Include="..\BlazorApp\Aguacongas.TheIdServer.BlazorApp.Pages\Aguacongas.TheIdServer.BlazorApp.Pages.csproj" />
 	</ItemGroup>
 </Project>

src/Aguacongas.TheIdServer.BlazorApp/App.razor

@@ -1,4 +1,5 @@
-<Router AppAssembly="@typeof(Program).Assembly">
+ <Router AppAssembly="@typeof(Program).Assembly"
+        AdditionalAssemblies="new[] { typeof(Pages.Index).Assembly }">
     <Found Context="routeData">
         <AuthorizeRouteView RouteData="@routeData" DefaultLayout="@typeof(MainLayout)">
             <NotAuthorized>

src/Aguacongas.TheIdServer.BlazorApp/Program.cs

@@ -1,15 +1,5 @@
-using Aguacongas.AspNetCore.Authentication;
-using Aguacongas.IdentityServer.Store;
-using Aguacongas.TheIdServer.BlazorApp.Models;
-using Aguacongas.TheIdServer.BlazorApp.Services;
-using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Components.WebAssembly.Authentication;
-using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
-using Microsoft.Extensions.Configuration;
-using Microsoft.Extensions.DependencyInjection;
-using System;
+using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
 using System.Diagnostics.CodeAnalysis;
-using System.Net.Http;
 using System.Threading.Tasks;
 
 namespace Aguacongas.TheIdServer.BlazorApp
@@ -19,56 +9,11 @@ public class Program
     {
         public static async Task Main(string[] args)
         {
-            var builder = WebAssemblyHostBuilder.CreateDefault(args);            
-            builder.RootComponents.Add<App>("app");            
-            ConfigureServices(builder.Services, builder.Configuration, builder.HostEnvironment.BaseAddress);
+            var builder = WebAssemblyHostBuilder.CreateDefault(args);
+            builder.RootComponents.Add<App>("app");
+            builder.AddTheIdServerApp();
             await builder.Build().RunAsync();
-        }
-
-        public static void ConfigureServices(IServiceCollection services, IConfiguration configuration, string baseAddress)
-        {
-            var settings = configuration.Get<Settings>();
-            services
-                .AddOptions()
-                .AddOidcAuthentication<RemoteAuthenticationState, RemoteUserAccount>(options =>
-                {
-                    configuration.GetSection("AuthenticationPaths").Bind(options.AuthenticationPaths);
-                    configuration.GetSection("UserOptions").Bind(options.UserOptions);
-                    configuration.Bind("ProviderOptions", options.ProviderOptions);
-                })
-                .AddAccountClaimsPrincipalFactory<RemoteAuthenticationState, RemoteUserAccount, ClaimsPrincipalFactory>();
-
-            services.AddAuthorizationCore(options =>
-                {
-                    options.AddIdentityServerPolicies();
-                });
-
-
-            services
-                .AddIdentityServer4AdminHttpStores(p =>
-                {
-                    return Task.FromResult(CreateApiHttpClient(p, settings));
-                })
-                .AddSingleton(new HttpClient { BaseAddress = new Uri(baseAddress) })
-                .AddSingleton(p => settings)
-                .AddSingleton<Notifier>()
-                .AddSingleton<IAuthenticationSchemeOptionsSerializer, AuthenticationSchemeOptionsSerializer>()
-                .AddTransient<IAdminStore<User>, UserAdminStore>()
-                .AddTransient<IAdminStore<Role>, RoleAdminStore>()
-                .AddTransient<IAdminStore<ExternalProvider>, ExternalProviderStore>()
-                .AddHttpClient("oidc")
-                .AddHttpMessageHandler<BaseAddressAuthorizationMessageHandler>();
-        }
-
-        private static HttpClient CreateApiHttpClient(IServiceProvider p, Settings settings)
-        {
-            var httpClient = p.GetRequiredService<IHttpClientFactory>()
-                                    .CreateClient("oidc");
-
-            var apiUri = new Uri(settings.ApiBaseUrl);
-            httpClient.BaseAddress = apiUri;
-            return httpClient;
-        }
+        }
 
     }
 }

src/Aguacongas.TheIdServer.BlazorApp/README.md

@@ -2,6 +2,8 @@
 
 This project contains the code of the [Blazor wasm](https//blazor.net) application to manage an [IdentityServer4](https://identityserver4.readthedocs.io/en/latest/)
 
+## Instalation
+
 ### From Docker
 
 The application is embeded in the [server's Linux image](../Aguacongas.TheIdServer/README.md#from-docker).  
@@ -16,6 +18,14 @@ Unzip in the destination of your choice, and use the server of your choice.
 
 Read [Host and deploy ASP.NET Core Blazor WebAssembly](https://docs.microsoft.com/en-us/aspnet/core/host-and-deploy/blazor/webassembly?view=aspnetcore-3.1) for more information.
 
+### From Nuget packages
+
+Nuget packages composing the application are available on [nuget.org](https://www.nuget.org/):
+
+* **Aguacongas.TheIdServer.BlazorApp.Infrastructure** contains application models, services, validators and extensions
+* **Aguacongas.TheIdServer.BlazorApp.Components** contains application components
+* **Aguacongas.TheIdServer.BlazorApp.Pages** contains application pages
+
 ## Configuration
 
 The application reads its configuration from *appsettings.json* and environment specific configuration data from *appsettings.{environment}.json*
@@ -30,6 +40,19 @@ The application reads its configuration from *appsettings.json* and environment
     "remoteRegisterPath": "/identity/account/register",
     "remoteProfilePath": "/identity/account/manage"
   },
+  "loggingOptions": {
+    "minimum": "Debug",
+    "filters": [
+      {       
+        "category": "System",
+        "level": "Warning"
+      },
+      {
+        "category": "Microsoft",
+        "level": "Information"
+      }
+    ]
+  },
   "userOptions": {
     "roleClaim": "role"
   },
@@ -66,6 +89,18 @@ The application doesn't contain pages to register a new user or manage the curre
 
  For more informations read [ASP.NET Core Blazor WebAssembly additional security scenarios / Customize app routes](https://docs.microsoft.com/en-us/aspnet/core/security/blazor/webassembly/additional-scenarios?view=aspnetcore-3.1#customize-app-routes).
 
+### loggingOptions
+
+Defines logging options.
+
+#### minimum
+
+Defines the [log minimum level](https://docs.microsoft.com/en-us/dotnet/api/microsoft.extensions.logging.loglevel?view=dotnet-plat-ext-3.1).
+
+#### filters
+
+Each item in this array add a log filter by category and [LogLevel](https://docs.microsoft.com/en-us/dotnet/api/microsoft.extensions.logging.loglevel?view=dotnet-plat-ext-3.1)
+
 ### userOptions
 
 The section **userOptions** is binded to the class `Microsoft.AspNetCore.Components.WebAssembly.Authentication.RemoteAuthenticationUserOptions`.  
@@ -119,4 +154,5 @@ This endpoint should return an html fragment code.
 
 * [ASP.NET Core Blazor hosting model configuration](https://docs.microsoft.com/en-us/aspnet/core/blazor/hosting-model-configuration?view=aspnetcore-3.1#configuration)
 * [ASP.NET Core Blazor WebAssembly additional security scenarios](https://docs.microsoft.com/en-us/aspnet/core/security/blazor/webassembly/additional-scenarios?view=aspnetcore-3.1#customize-app-routes)
-* [Secure an ASP.NET Core Blazor WebAssembly standalone app with the Authentication library](https://docs.microsoft.com/en-us/aspnet/core/security/blazor/webassembly/standalone-with-authentication-library?view=aspnetcore-3.1#authentication-service-support)
+* [Secure an ASP.NET Core Blazor WebAssembly standalone app with the Authentication library](https://docs.microsoft.com/en-us/aspnet/core/security/blazor/webassembly/standalone-with-authentication-library?view=aspnetcore-3.1#authentication-service-support)
+* [LogLevel Enum](https://docs.microsoft.com/en-us/dotnet/api/microsoft.extensions.logging.loglevel?view=dotnet-plat-ext-3.1)

src/Aguacongas.TheIdServer.BlazorApp/wwwroot/appsettings.Development.json

@@ -1,4 +1,17 @@
 {
+  "loggingOptions": {
+    "minimum": "Debug",
+    "filters": [
+      {       
+        "category": "System",
+        "level": "Warning"
+      },
+      {
+        "category": "Microsoft",
+        "level": "Information"
+      }
+    ]
+  },
   "providerOptions": {
     "postLogoutRedirectUri": "https://localhost:5443/authentication/logout-callback",
     "redirectUri": "https://localhost:5443/authentication/login-callback"

src/Aguacongas.TheIdServer.BlazorApp/wwwroot/appsettings.json

@@ -1,6 +1,9 @@
 {
   "administratorEmail": "[email protected]",
   "apiBaseUrl": "https://localhost:5443/api",
+  "loggingOptions": {
+    "minimum": "Warning"
+  },
   "authenticationPaths": {
     "remoteRegisterPath": "/identity/account/register",
     "remoteProfilePath": "/identity/account/manage"

src/Aguacongas.TheIdServer.BlazorApp/wwwroot/index.html

@@ -13,7 +13,7 @@
 </head>
 <body>
     <app>Loading...</app>
-    <script src="scripts/interop.js"></script>
+    <script src="_content/Aguacongas.TheIdServer.BlazorApp.Infrastructure/TheIdServerInterop.js"></script>
     <script src="_content/Microsoft.AspNetCore.Components.WebAssembly.Authentication/AuthenticationService.js"></script>
     <script src="_framework/blazor.webassembly.js"></script>
 </body>

src/Aguacongas.TheIdServer/Aguacongas.TheIdServer.csproj

@@ -8,7 +8,7 @@
 		<PackageProjectUrl>https://github.com/Aguafrommars/TheIdServer/tree/master/src/Aguacongas.TheIdServer</PackageProjectUrl>
 		<RepositoryUrl>https://github.com/Aguafrommars/TheIdServer</RepositoryUrl>
 		<RepositoryType>git</RepositoryType>
-		<PackageTags>aspnetcore;oidc,oauth;authentication;security</PackageTags>
+		<PackageTags>aspnetcore;identityserver4;oidc,oauth;authentication;security</PackageTags>
 		<Description>OpenID/Connect server base on IdentityServer4.</Description>
 		<DebugType>Full</DebugType>
 		<UserSecretsId>f6987681-1871-440a-a6ea-a606c2c5ccf6</UserSecretsId>

src/BlazorApp/Aguacongas.TheIdServer.BlazorApp.Components/Aguacongas.TheIdServer.BlazorApp.Components.csproj

@@ -0,0 +1,26 @@
+<Project Sdk="Microsoft.NET.Sdk.Razor">
+
+	<PropertyGroup>
+		<TargetFramework>netstandard2.1</TargetFramework>
+		<Authors>Olivier Lefebvre</Authors>
+		<Copyright>Copyright (c) 2020 @Olivier Lefebvre</Copyright>
+		<PackageLicense>https://raw.githubusercontent.com/Aguafrommars/TheIdServer/master/LICENSE</PackageLicense>
+		<PackageProjectUrl>https://github.com/Aguafrommars/TheIdServer/tree/master/src/Aguacongas.TheIdServer.BlazorApp</PackageProjectUrl>
+		<RepositoryUrl>https://github.com/Aguafrommars/TheIdServer</RepositoryUrl>
+		<RepositoryType>git</RepositoryType>
+		<PackageTags>theidserver;identityserver4;oidc;oauth;identity,authentication;security</PackageTags>
+		<Description>TheIdServer administration application components.</Description>
+		<DebugType>Full</DebugType>
+		<RazorLangVersion>3.0</RazorLangVersion>
+	</PropertyGroup>
+
+	<ItemGroup>
+		<PackageReference Include="Microsoft.AspNetCore.Components" Version="3.1.3" />
+		<PackageReference Include="Microsoft.AspNetCore.Components.Web" Version="3.1.3" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<ProjectReference Include="..\Aguacongas.TheIdServer.BlazorApp.Infrastructure\Aguacongas.TheIdServer.BlazorApp.Infrastructure.csproj" />
+	</ItemGroup>
+
+</Project>

src/Aguacongas.TheIdServer.BlazorApp/Components/AuthorizedToken.razor.cs → src/BlazorApp/Aguacongas.TheIdServer.BlazorApp.Components/AuthorizedToken.razor.cs

@@ -112,9 +112,9 @@ private void SetValue(TimeSpan? time)
             {
                 var timeValue = time.Value;
                 var type = typeof(T);
-                if (type.IsGenericType)
-                {
-                    type = type.GetGenericArguments()[0];
+                if (type.IsGenericType)
+                {
+                    type = type.GetGenericArguments()[0];
                 }
                 Value = (T)Convert.ChangeType(timeValue.TotalSeconds, type);
                 ValueChanged.InvokeAsync(Value);