GGMM/GrossesMitaines/GrossesMitainesAPI/Program.cs

using GrossesMitainesAPI.Data;
using GrossesMitainesAPI.Services;
using Microsoft.AspNet.Identity;
using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.Authentication.Cookies;
using Microsoft.AspNetCore.Identity;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using System.Net;

var MyAllowSpecificOrigins = "_myAllowSpecificOrigins";
var builder = WebApplication.CreateBuilder(args);

builder.Services.AddCors(options => {
    options.AddPolicy(name: MyAllowSpecificOrigins,
                      policy => {
                          policy.WithOrigins("http://localhost:3000",
                                             "https://localhost:3000")
                          .AllowAnyMethod()
                          .AllowAnyHeader()
                          .AllowCredentials();
                      });
});

builder.Services.AddControllers();

builder.Services.AddIdentityCore<InventoryUser>()
                    .AddRoles<IdentityRole>()
                    .AddEntityFrameworkStores<InventoryContext>()
                    .AddSignInManager();
builder.Services.Configure<IdentityOptions>(o =>
    o.User.RequireUniqueEmail = true);

builder.Services.AddAuthorization();
builder.Services.AddAuthentication().AddIdentityCookies();

builder.Services.Configure<IdentityOptions>(options => { 
    options.User.RequireUniqueEmail = true;
});

// Source: https://github.com/dotnet/aspnetcore/issues/9039
builder.Services.ConfigureApplicationCookie(o => {
    o.Events = new CookieAuthenticationEvents() {
        OnRedirectToLogin = (ctx) => {
            if (ctx.Request.Path.StartsWithSegments("/api") && ctx.Response.StatusCode == 200) {
                ctx.Response.StatusCode = 401;
            }
            return Task.CompletedTask;
        },
        OnRedirectToAccessDenied = (ctx) => {
            if (ctx.Request.Path.StartsWithSegments("/api") && ctx.Response.StatusCode == 200) {
                ctx.Response.StatusCode = 403;
            }
            return Task.CompletedTask;
        },
        OnRedirectToReturnUrl = (ctx) => {
            if (ctx.Request.Path.StartsWithSegments("/api") && ctx.Response.StatusCode == 200) {
                ctx.Response.StatusCode = 418;
            }
            return Task.CompletedTask;
        }
    };
});


// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();

builder.Services.AddDbContextFactory<InventoryContext>(options => { options.UseSqlServer("DefaultConnection"); });
builder.Services.AddSingleton<DatabaseCacheService>();
builder.Services.BuildServiceProvider().GetRequiredService<DatabaseCacheService>();

var app = builder.Build();

// Configure the HTTP request pipeline.
if (app.Environment.IsDevelopment()) {
    app.UseSwagger();
    app.UseSwaggerUI();
}

app.UseHttpsRedirection();

app.UseCors(MyAllowSpecificOrigins);
app.UseAuthorization();
app.UseAuthentication();

app.MapControllers();

app.Run();