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Add a Blazor OIDC sample with Aspire (#137)
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‎8.0/BlazorWebOidc/Aspire/Aspire.AppHost/Aspire.AppHost.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<IsAspireHost>true</IsAspireHost>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Aspire.Hosting" Version="8.0.0-preview.1.23557.2" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\..\BlazorWebOidc\BlazorWebOidc.csproj" />
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<ProjectReference Include="..\..\MinimalApiJwt\MinimalApiJwt.csproj" />
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</ItemGroup>
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</Project>

‎8.0/BlazorWebOidc/Aspire/Aspire.AppHost/Program.cs

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var builder = DistributedApplication.CreateBuilder(args);
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var weatherApi = builder.AddProject<Projects.MinimalApiJwt>("weatherapi");
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builder.AddProject<Projects.BlazorWebOidc>("blazorfrontend")
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.WithReference(weatherApi);
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builder.Build().Run();

‎8.0/BlazorWebOidc/Aspire/Aspire.AppHost/Properties/launchSettings.json

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{
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"$schema": "http://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:15053",
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"environmentVariables": {
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"ASPNETCORE_ENVIRONMENT": "Development",
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"DOTNET_ENVIRONMENT": "Development",
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"DOTNET_DASHBOARD_OTLP_ENDPOINT_URL": "http://localhost:16258"
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}
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}
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}
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}

‎8.0/BlazorWebOidc/Aspire/Aspire.AppHost/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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}

‎8.0/BlazorWebOidc/Aspire/Aspire.AppHost/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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"Aspire.Hosting.Dcp": "Warning"
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}
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}
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}

‎8.0/BlazorWebOidc/Aspire/Aspire.ServiceDefaults/Aspire.ServiceDefaults.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Library</OutputType>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<IsAspireSharedProject>true</IsAspireSharedProject>
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</PropertyGroup>
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<ItemGroup>
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<FrameworkReference Include="Microsoft.AspNetCore.App" />
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<PackageReference Include="Microsoft.Extensions.Http.Resilience" Version="8.0.0" />
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<PackageReference Include="Microsoft.Extensions.ServiceDiscovery" Version="8.0.0-preview.1.23557.2" />
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<PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.7.0-alpha.1" />
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<PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.7.0-alpha.1" />
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<PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.6.0-beta.2" />
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<PackageReference Include="OpenTelemetry.Instrumentation.GrpcNetClient" Version="1.6.0-beta.2" />
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<PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.6.0-beta.2" />
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<PackageReference Include="OpenTelemetry.Instrumentation.Runtime" Version="1.5.1" />
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</ItemGroup>
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</Project>

‎8.0/BlazorWebOidc/Aspire/Aspire.ServiceDefaults/Extensions.cs

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using Microsoft.AspNetCore.Builder;
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using Microsoft.AspNetCore.Diagnostics.HealthChecks;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Diagnostics.HealthChecks;
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using Microsoft.Extensions.Logging;
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using OpenTelemetry.Logs;
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using OpenTelemetry.Metrics;
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using OpenTelemetry.Trace;
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namespace Microsoft.Extensions.Hosting;
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public static class Extensions
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{
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public static IHostApplicationBuilder AddServiceDefaults(this IHostApplicationBuilder builder)
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{
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builder.ConfigureOpenTelemetry();
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builder.AddDefaultHealthChecks();
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builder.Services.AddServiceDiscovery();
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builder.Services.ConfigureHttpClientDefaults(http =>
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{
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// Turn on resilience by default
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http.AddStandardResilienceHandler();
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// Turn on service discovery by default
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http.UseServiceDiscovery();
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});
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return builder;
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}
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public static IHostApplicationBuilder ConfigureOpenTelemetry(this IHostApplicationBuilder builder)
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{
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builder.Logging.AddOpenTelemetry(logging =>
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{
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logging.IncludeFormattedMessage = true;
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logging.IncludeScopes = true;
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});
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builder.Services.AddOpenTelemetry()
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.WithMetrics(metrics =>
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{
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metrics.AddRuntimeInstrumentation()
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.AddBuiltInMeters();
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})
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.WithTracing(tracing =>
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{
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if (builder.Environment.IsDevelopment())
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{
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// We want to view all traces in development
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tracing.SetSampler(new AlwaysOnSampler());
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}
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tracing.AddAspNetCoreInstrumentation()
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.AddGrpcClientInstrumentation()
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.AddHttpClientInstrumentation();
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});
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builder.AddOpenTelemetryExporters();
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return builder;
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}
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private static IHostApplicationBuilder AddOpenTelemetryExporters(this IHostApplicationBuilder builder)
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{
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var useOtlpExporter = !string.IsNullOrWhiteSpace(builder.Configuration["OTEL_EXPORTER_OTLP_ENDPOINT"]);
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if (useOtlpExporter)
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{
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builder.Services.Configure<OpenTelemetryLoggerOptions>(logging => logging.AddOtlpExporter());
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builder.Services.ConfigureOpenTelemetryMeterProvider(metrics => metrics.AddOtlpExporter());
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builder.Services.ConfigureOpenTelemetryTracerProvider(tracing => tracing.AddOtlpExporter());
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}
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// Uncomment the following lines to enable the Prometheus exporter (requires the OpenTelemetry.Exporter.Prometheus.AspNetCore package)
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// builder.Services.AddOpenTelemetry()
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// .WithMetrics(metrics => metrics.AddPrometheusExporter());
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// Uncomment the following lines to enable the Azure Monitor exporter (requires the Azure.Monitor.OpenTelemetry.Exporter package)
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// builder.Services.AddOpenTelemetry()
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// .UseAzureMonitor();
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return builder;
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}
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public static IHostApplicationBuilder AddDefaultHealthChecks(this IHostApplicationBuilder builder)
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{
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builder.Services.AddHealthChecks()
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// Add a default liveness check to ensure app is responsive
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.AddCheck("self", () => HealthCheckResult.Healthy(), ["live"]);
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return builder;
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}
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public static WebApplication MapDefaultEndpoints(this WebApplication app)
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{
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// Uncomment the following line to enable the Prometheus endpoint (requires the OpenTelemetry.Exporter.Prometheus.AspNetCore package)
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// app.MapPrometheusScrapingEndpoint();
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// All health checks must pass for app to be considered ready to accept traffic after starting
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app.MapHealthChecks("/health");
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// Only health checks tagged with the "live" tag must pass for app to be considered alive
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app.MapHealthChecks("/alive", new HealthCheckOptions
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{
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Predicate = r => r.Tags.Contains("live")
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});
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return app;
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}
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private static MeterProviderBuilder AddBuiltInMeters(this MeterProviderBuilder meterProviderBuilder) =>
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meterProviderBuilder.AddMeter(
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"Microsoft.AspNetCore.Hosting",
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"Microsoft.AspNetCore.Server.Kestrel",
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"System.Net.Http");
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}

‎8.0/BlazorWebOidc/BlazorWebOidc.Client/BlazorWebOidc.Client.csproj

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<Project Sdk="Microsoft.NET.Sdk.BlazorWebAssembly">
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<PropertyGroup>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<NoDefaultLaunchSettingsFile>true</NoDefaultLaunchSettingsFile>
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<StaticWebAssetProjectMode>Default</StaticWebAssetProjectMode>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="8.0.0" />
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<PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Authentication" Version="8.0.0" />
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<PackageReference Include="Microsoft.Extensions.Http" Version="8.0.0" />
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</ItemGroup>
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</Project>

‎8.0/BlazorWebOidc/BlazorWebOidc.Client/Layout/LogInOrOut.razor

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@implements IDisposable
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@inject NavigationManager NavigationManager
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<div class="nav-item px-3">
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<AuthorizeView>
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<Authorized>
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<form action="authentication/logout" method="post">
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<AntiforgeryToken />
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<input type="hidden" name="ReturnUrl" value="@currentUrl" />
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<button type="submit" class="nav-link">
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<span class="bi bi-arrow-bar-left-nav-menu" aria-hidden="true"></span> Logout @context.User.Identity?.Name
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</button>
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</form>
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</Authorized>
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<NotAuthorized>
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<a class="nav-link" href="authentication/login">
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<span class="bi bi-person-badge-nav-menu" aria-hidden="true"></span> Login
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</a>
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</NotAuthorized>
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</AuthorizeView>
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</div>
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@code {
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private string? currentUrl;
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protected override void OnInitialized()
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{
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currentUrl = NavigationManager.ToBaseRelativePath(NavigationManager.Uri);
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NavigationManager.LocationChanged += OnLocationChanged;
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}
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private void OnLocationChanged(object? sender, LocationChangedEventArgs e)
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{
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currentUrl = NavigationManager.ToBaseRelativePath(e.Location);
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StateHasChanged();
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}
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public void Dispose()
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{
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NavigationManager.LocationChanged -= OnLocationChanged;
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}
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}

‎8.0/BlazorWebOidc/BlazorWebOidc.Client/Layout/LogInOrOut.razor.css

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.bi {
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display: inline-block;
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position: relative;
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width: 1.25rem;
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height: 1.25rem;
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margin-right: 0.75rem;
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top: -1px;
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background-size: cover;
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}
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.bi-person-badge-nav-menu {
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background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-person-badge' viewBox='0 0 16 16'%3E%3Cpath d='M6.5 2a.5.5 0 0 0 0 1h3a.5.5 0 0 0 0-1h-3zM11 8a3 3 0 1 1-6 0 3 3 0 0 1 6 0z'/%3E%3Cpath d='M4.5 0A2.5 2.5 0 0 0 2 2.5V14a2 2 0 0 0 2 2h8a2 2 0 0 0 2-2V2.5A2.5 2.5 0 0 0 11.5 0h-7zM3 2.5A1.5 1.5 0 0 1 4.5 1h7A1.5 1.5 0 0 1 13 2.5v10.795a4.2 4.2 0 0 0-.776-.492C11.392 12.387 10.063 12 8 12s-3.392.387-4.224.803a4.2 4.2 0 0 0-.776.492V2.5z'/%3E%3C/svg%3E");
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}
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.bi-arrow-bar-left-nav-menu {
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background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-arrow-bar-left' viewBox='0 0 16 16'%3E%3Cpath d='M12.5 15a.5.5 0 0 1-.5-.5v-13a.5.5 0 0 1 1 0v13a.5.5 0 0 1-.5.5ZM10 8a.5.5 0 0 1-.5.5H3.707l2.147 2.146a.5.5 0 0 1-.708.708l-3-3a.5.5 0 0 1 0-.708l3-3a.5.5 0 1 1 .708.708L3.707 7.5H9.5a.5.5 0 0 1 .5.5Z'/%3E%3C/svg%3E");
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}
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.nav-item {
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font-size: 0.9rem;
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padding-bottom: 0.5rem;
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}
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.nav-item .nav-link {
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color: #d7d7d7;
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background: none;
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border: none;
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border-radius: 4px;
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height: 3rem;
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display: flex;
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align-items: center;
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line-height: 3rem;
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width: 100%;
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}
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.nav-item .nav-link:hover {
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background-color: rgba(255,255,255,0.1);
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color: white;
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}

‎8.0/BlazorWebOidc/BlazorWebOidc.Client/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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<a href="https://learn.microsoft.com/aspnet/core/" target="_blank">About</a>
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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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<div id="blazor-error-ui">
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An unhandled error has occurred.
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<a href="" class="reload">Reload</a>
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<a class="dismiss">🗙</a>
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</div>

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