chapter-organizer/WebApp/Program.cs

using Data;
using Microsoft.EntityFrameworkCore;
using MudBlazor.Services;
using Serilog;
using WebApp;
using WebApp.Authentication;
using WebApp.Components;

var builder = WebApplication.CreateBuilder(args);

// Configure Serilog
builder.Host.UseSerilog((context, configuration) =>
    configuration
        .ReadFrom.Configuration(context.Configuration)
        .Enrich.FromLogContext()
        .WriteTo.Console(
            outputTemplate: "[{Timestamp:HH:mm:ss} {Level:u3}] {Message:lj} {Properties:j}{NewLine}{Exception}")
        .WriteTo.File(
            path: "logs/webapp-.txt",
            rollingInterval: RollingInterval.Day,
            retainedFileCountLimit: 30,
            outputTemplate: "{Timestamp:yyyy-MM-dd HH:mm:ss.fff zzz} [{Level:u3}] {Message:lj} {Properties:j}{NewLine}{Exception}"));

// Configure authentication secrets for production (Docker, etc.)
if (builder.Environment.IsProduction())
{
    // Option 1: Load from volume-mounted secrets file
    var secretsPath = "/app/secrets/auth-secrets.json";
    if (File.Exists(secretsPath))
    {
        builder.Configuration.AddJsonFile(secretsPath, optional: false, reloadOnChange: true);
    }

    // Option 2: Environment variables with prefix
    builder.Configuration.AddEnvironmentVariables(prefix: "TSA_");
}

// Add services to the container.
builder.Services.AddControllersWithViews();
builder.Services.AddRazorComponents()
    .AddInteractiveServerComponents();

builder.Services.AddMudServices();

// Configure SQLite
var connectionString = builder.Configuration.GetConnectionString("SQLiteDefault");
builder.Services.AddDbContext<AppDbContext>(options => options.UseSqlite(connectionString));

builder.Services.AddQuickGridEntityFrameworkAdapter();

builder.Services.AddDatabaseDeveloperPageExceptionFilter();

builder.Services.AddScoped<ClipboardService>();

// State container for maintaining state per user connection (Blazor Server)
builder.Services.AddScoped<StateContainer>();

// Add authentication services
builder.Services.AddHttpContextAccessor();
builder.Services.AddScoped<AuthenticationService>();
builder.Services.AddSingleton<LoginRateLimitService>();
builder.Services.AddHostedService<LoginRateLimitService>(sp => sp.GetRequiredService<LoginRateLimitService>()); 

// Add authentication options
builder.Services.AddAuthentication("Auth")
    .AddCookie("Auth", options =>
    {
        options.ExpireTimeSpan = TimeSpan.FromMinutes(20);
        options.SlidingExpiration = true;
        options.LoginPath = "/login";

        // Enhanced security settings
        options.Cookie.HttpOnly = true;
        options.Cookie.SecurePolicy = CookieSecurePolicy.Always;
        options.Cookie.SameSite = SameSiteMode.Strict;
        options.Cookie.Name = "TSA.Auth";
    });
builder.Services.AddCascadingAuthenticationState();

var app = builder.Build();

// Configure the HTTP request pipeline.
if (!app.Environment.IsDevelopment())
{
    app.UseExceptionHandler("/Error", createScopeForErrors: true);
    // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
    app.UseHsts();
    app.UseMigrationsEndPoint();
}

app.UseHttpsRedirection();
app.UseRouting();

app.UseAuthentication();
app.UseAuthorization();

app.UseStaticFiles();
app.UseAntiforgery();

app.MapRazorComponents<App>()
    .AddInteractiveServerRenderMode();

// Used for AuthController
app.MapControllerRoute("default", "{controller}/{action}");

// Development-only password hash generator endpoint
if (app.Environment.IsDevelopment())
{
    app.MapGet("/dev/hash-password", (string password) =>
    {
        var hash = PasswordHashGenerator.GenerateHash(password);
        return Results.Ok(new
        {
            password,
            hash,
            message = "Copy the hash value to your User Secrets configuration"
        });
    }).WithName("GeneratePasswordHash");
}

app.Run();