BlazorAuthentication/BlazorPolicyAuth/BlazorPolicyAuth/Program.cs

using BlazorPolicyAuth.Components;
using BlazorPolicyAuth.Data;
using Microsoft.AspNetCore.Authentication.Cookies;
using Microsoft.EntityFrameworkCore;

namespace BlazorPolicyAuth
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var builder = WebApplication.CreateBuilder(args);

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

            // For authentication
            builder.Services.AddAuthorization(config =>
            {
                foreach (var userPolicy in Policy.GetPoilicies())
                    config.AddPolicy(userPolicy, c => c.RequireClaim(userPolicy, "true"));
            });
            builder.Services.AddAuthentication(CookieAuthenticationDefaults.AuthenticationScheme)
                .AddCookie(options =>
                {
                    options.Cookie.Name = "auth_token";
                    options.LoginPath = "/login";
                    options.Cookie.MaxAge = TimeSpan.FromMinutes(30);
                    options.AccessDeniedPath = "/access-denied";
                });
            builder.Services.AddCascadingAuthenticationState();

            // For database
            var connectionString = builder.Configuration.GetConnectionString("DefaultConnection");
            builder.Services.AddDbContext<AppDbContext>(options =>
            {
                options.UseMySql(connectionString, ServerVersion.AutoDetect(connectionString));
            });

            var app = builder.Build();

            // Configure the HTTP request pipeline.
            if (!app.Environment.IsDevelopment())
            {
                app.UseExceptionHandler("/Error");
                // 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.UseHttpsRedirection();

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

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

            app.Run();
        }
    }
}