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RolandGuijtRoland Guijt
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Roland Guijt
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Add BlazorWasm sample for BFF v4 (#290)
Co-authored-by: Roland Guijt <roland.guijt@duendesoftware.com>
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‎BFF/v4/BlazorWasm/BFF/BFF.csproj‎

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<Project Sdk="Microsoft.NET.Sdk.Web">
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<PropertyGroup>
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<TargetFramework>net10.0</TargetFramework>
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<Nullable>enable</Nullable>
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<ImplicitUsings>enable</ImplicitUsings>
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</PropertyGroup>
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<ItemGroup>
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<ProjectReference Include="..\BlazorWasm\BlazorWasm.csproj" />
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</ItemGroup>
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<ItemGroup>
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<PackageReference Include="Duende.BFF.Yarp" Version="4.0.2" />
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<PackageReference Include="Microsoft.AspNetCore.Authentication.OpenIdConnect" Version="10.0.2" />
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</ItemGroup>
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</Project>

‎BFF/v4/BlazorWasm/BFF/Program.cs‎

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using Duende.Bff;
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using Duende.Bff.Yarp;
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using Microsoft.AspNetCore.Authentication;
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var builder = WebApplication.CreateBuilder(args);
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builder.Services.AddAuthorization();
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builder.Services.AddCascadingAuthenticationState();
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builder.Services
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.AddBff()
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.AddRemoteApis()
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.ConfigureOpenIdConnect(options =>
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{
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options.Authority = "https://demo.duendesoftware.com";
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options.ClientId = "interactive.confidential";
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options.ClientSecret = "secret";
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options.ResponseType = "code";
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options.ResponseMode = "query";
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options.Scope.Clear();
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options.Scope.Add("openid");
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options.Scope.Add("profile");
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options.Scope.Add("api");
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options.Scope.Add("offline_access");
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options.MapInboundClaims = false;
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options.ClaimActions.MapAll();
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options.GetClaimsFromUserInfoEndpoint = true;
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options.SaveTokens = true;
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options.TokenValidationParameters.NameClaimType = "name";
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options.TokenValidationParameters.RoleClaimType = "role";
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})
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.ConfigureCookies(options =>
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{
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options.Cookie.Name = "__Host-blazor";
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options.Cookie.SameSite = SameSiteMode.Strict;
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});
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var app = builder.Build();
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app.UseAuthentication();
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app.UseBff();
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app.UseAuthorization();
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app.MapBffManagementEndpoints();
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app.MapStaticAssets();
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app.MapGet("/api/data", async () =>
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{
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var json = await File.ReadAllTextAsync("weather.json");
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return Results.Content(json, "application/json");
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}).RequireAuthorization().AsBffApiEndpoint();
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app.MapRemoteBffApiEndpoint("/remoteapi", new Uri("https://demo.duendesoftware.com/api"))
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.WithAccessToken();
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app.MapFallbackToFile("index.html");
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app.Run();

‎BFF/v4/BlazorWasm/BFF/Properties/launchSettings.json‎

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{
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"$schema": "https://json.schemastore.org/launchsettings.json",
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"profiles": {
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"http": {
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"commandName": "Project",
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"dotnetRunMessages": true,
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"launchBrowser": true,
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"applicationUrl": "http://localhost:5267",
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"environmentVariables": {
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"ASPNETCORE_ENVIRONMENT": "Development"
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}
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},
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"https": {
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"commandName": "Project",
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"dotnetRunMessages": true,
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"launchBrowser": true,
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"applicationUrl": "https://localhost:7256;http://localhost:5267",
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"environmentVariables": {
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"ASPNETCORE_ENVIRONMENT": "Development"
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}
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}
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}
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}

‎BFF/v4/BlazorWasm/BFF/appsettings.Development.json‎

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{
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"Logging": {
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"LogLevel": {
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"Default": "Information",
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"Microsoft.AspNetCore": "Warning"
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}
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}
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}

‎BFF/v4/BlazorWasm/BFF/appsettings.json‎

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{
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"Logging": {
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"LogLevel": {
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"Default": "Information",
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"Microsoft.AspNetCore": "Warning"
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}
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},
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"AllowedHosts": "*"
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}

‎BFF/v4/BlazorWasm/BFF/weather.json‎

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[
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{
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"date": "2022-01-06",
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"temperatureC": 1,
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"summary": "Freezing"
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},
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{
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"date": "2022-01-07",
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"temperatureC": 14,
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"summary": "Bracing"
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},
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{
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"date": "2022-01-08",
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"temperatureC": -13,
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"summary": "Freezing"
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},
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{
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"date": "2022-01-09",
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"temperatureC": -16,
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"summary": "Balmy"
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},
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{
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"date": "2022-01-10",
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"temperatureC": -2,
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"summary": "Chilly"
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}
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]

‎BFF/v4/BlazorWasm/BlazorSample.slnx‎

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<Solution>
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<Project Path="BFF/BFF.csproj" />
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<Project Path="BlazorWasm/BlazorWasm.csproj" />
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</Solution>

‎BFF/v4/BlazorWasm/BlazorWasm/App.razor‎

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<CascadingAuthenticationState>
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<Router AppAssembly="@typeof(App).Assembly" NotFoundPage="typeof(Pages.NotFound)">
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<Found Context="routeData">
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<RouteView RouteData="@routeData" DefaultLayout="@typeof(MainLayout)"/>
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<FocusOnNavigate RouteData="@routeData" Selector="h1" />
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</Found>
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</Router>
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</CascadingAuthenticationState>

‎BFF/v4/BlazorWasm/BlazorWasm/BlazorWasm.csproj‎

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<Project Sdk="Microsoft.NET.Sdk.BlazorWebAssembly">
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<PropertyGroup>
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<TargetFramework>net10.0</TargetFramework>
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<Nullable>enable</Nullable>
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<ImplicitUsings>enable</ImplicitUsings>
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<OverrideHtmlAssetPlaceholders>true</OverrideHtmlAssetPlaceholders>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Duende.BFF.Blazor.Client" Version="4.0.2" />
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<PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="10.0.0" />
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<PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Authentication" Version="10.0.2" />
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<PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="10.0.0" PrivateAssets="all" />
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</ItemGroup>
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<ItemGroup>
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<Folder Include="wwwroot\sample-data\" />
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</ItemGroup>
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</Project>

‎BFF/v4/BlazorWasm/BlazorWasm/Layout/MainLayout.razor‎

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@inherits LayoutComponentBase
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<div class="page">
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<div class="sidebar">
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<NavMenu />
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</div>
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<main>
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<div class="top-row px-4">
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<AuthorizeView>
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<Authorized>
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<strong>Hello, @context.User.Identity.Name!</strong>
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<a href="@context.User.FindFirst("bff:logout_url")?.Value">Log out
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</a>
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</Authorized>
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<NotAuthorized>
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<a href="bff/login">Log in</a>
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</NotAuthorized>
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</AuthorizeView>
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</div>
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<article class="content px-4">
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@Body
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</article>
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</main>
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</div>

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