<reponame>A3aan4rie/ElephantBI// ----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.
// ----------------------------------------------------------------------------

namespace UserOwnsData
{
    using Microsoft.AspNetCore.Authorization;
    using Microsoft.AspNetCore.Builder;
    using Microsoft.AspNetCore.Hosting;
    using Microsoft.AspNetCore.Mvc.Authorization;
    using Microsoft.Extensions.Configuration;
    using Microsoft.Extensions.DependencyInjection;
    using Microsoft.Extensions.Hosting;
    using Microsoft.Identity.Web;
    using Microsoft.Identity.Web.UI;

    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
            Configuration["AzureAd:Instance"] = Configuration["AzureAd:AuthorityUrl"];
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddOptions();

            // Graph api base url
            var graphBaseUrl = "https://graph.microsoft.com/v1.0";

            // Graph scope for reading logged in user's info
            var userReadScope = "user.read";

            // List of scopes required
            string[] initialScopes = new string[] { userReadScope };

            services.AddMicrosoftIdentityWebAppAuthentication(Configuration)
                .EnableTokenAcquisitionToCallDownstreamApi(initialScopes)
                .AddMicrosoftGraph(graphBaseUrl, userReadScope)
                .AddSessionTokenCaches();

            services.AddControllersWithViews(options =>
            {
                var policy = new AuthorizationPolicyBuilder()
                    .RequireAuthenticatedUser()
                    .Build();
                options.Filters.Add(new AuthorizeFilter(policy));
            }).AddMicrosoftIdentityUI();

            services.AddRazorPages();
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseExceptionHandler("/Home/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.UseRouting();

            app.UseSession();

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

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllerRoute(
                    name: "default",
                    pattern: "{controller=Home}/{action=Index}/{id?}");
                endpoints.MapRazorPages();
            });
        }
    }
}
