Exposed public Web API settings, and began customizing authentication related UI.

Added controller in server for fetching public Web API settings and implemented changes in client to use said settings.

Used scaffolder to generate source code for authentication pages.

Added and customized authentication buttons in client.

src/MultiShop/Client/App.razor

@@ -1,7 +1,5 @@
 @using System.Reflection
-@using Microsoft.Extensions.Configuration
 @inject IHttpClientFactory HttpFactory
-@inject IConfiguration Configuration
 @implements IDisposable
 
 

src/MultiShop/Client/App.razor.cs

@@ -1,11 +1,9 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using System.Net.Http;
 using System.Net.Http.Json;
 using System.Reflection;
-using System.Runtime.Loader;
 using System.Threading.Tasks;
 using MultiShop.Shop.Framework;
 using SimpleLogger;
@@ -34,7 +32,7 @@ namespace MultiShop.Client
             foreach (string assemblyFileName in assemblyFileNames)
             {
                 Logger.Log($"Downloading \"{assemblyFileName}\"...", LogLevel.Debug);
-                downloadTasks.Add(http.GetByteArrayAsync(Path.Join("ShopModules", assemblyFileName + ".dll")), assemblyFileName);
+                downloadTasks.Add(http.GetByteArrayAsync(Path.Join("ShopModules", assemblyFileName)), assemblyFileName);
             }
 
             while (downloadTasks.Count != 0)

src/MultiShop/Client/Pages/Authentication.razor

@@ -1,6 +1,30 @@
 @page "/authentication/{action}"
 @using Microsoft.AspNetCore.Components.WebAssembly.Authentication
-<RemoteAuthenticatorView Action="@Action" />
+
+@* https://docs.microsoft.com/en-us/aspnet/core/blazor/security/webassembly/additional-scenarios?view=aspnetcore-5.0 *@
+
+<RemoteAuthenticatorView Action="@Action">
+    <LoggingIn>
+        <div class="d-flex justify-content-center flex-column" style="width: 100%;">
+            <div class="spinner-border text-primary mx-auto my-2" role="status">
+                <span class="sr-only">Loading...</span>
+            </div>
+            <div class="mx-auto my-2">
+                Hang on just a sec. We're sending you to go login!
+            </div>
+        </div>
+    </LoggingIn>
+    <Registering>
+        <div class="d-flex justify-content-center flex-column" style="width: 100%;">
+            <div class="spinner-border text-primary mx-auto my-2" role="status">
+                <span class="sr-only">Loading...</span>
+            </div>
+            <div class="mx-auto my-2">
+                Hang on just a sec. We're sending you to go sign up!
+            </div>
+        </div>
+    </Registering>
+</RemoteAuthenticatorView>
 
 @code{
     [Parameter] public string Action { get; set; }

src/MultiShop/Client/Program.cs

@@ -8,6 +8,7 @@ using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using SimpleLogger;
+using System.Net.Http.Json;
 
 namespace MultiShop.Client
 {
@@ -21,10 +22,21 @@ namespace MultiShop.Client
 
             builder.Services.AddHttpClient("MultiShop.ServerAPI", client => client.BaseAddress = new Uri(builder.HostEnvironment.BaseAddress)).AddHttpMessageHandler<BaseAddressAuthorizationMessageHandler>();
 
-            builder.Services.AddHttpClient("Public-MultiShop.ServerAPI", client => client.BaseAddress = new Uri(builder.HostEnvironment.BaseAddress));
-
             // Supply HttpClient instances that include access tokens when making requests to the server project
             builder.Services.AddScoped(sp => sp.GetRequiredService<IHttpClientFactory>().CreateClient("MultiShop.ServerAPI"));
+            Action<HttpClient> configureClient = client => client.BaseAddress = new Uri(builder.HostEnvironment.BaseAddress);
+
+            builder.Services.AddHttpClient("Public-MultiShop.ServerAPI", configureClient);
+
+
+            IReadOnlyDictionary<string, string> webApiConfig = null;
+            using (HttpClient client = new HttpClient())
+            {
+                configureClient.Invoke(client);
+                webApiConfig = await client.GetFromJsonAsync<IReadOnlyDictionary<string, string>>("PublicApiSettings");
+            }
+
+            builder.Configuration.AddInMemoryCollection(webApiConfig);
 
             builder.Services.AddApiAuthorization();
 

src/MultiShop/Client/Shared/LoginDisplay.razor

@@ -1,16 +1,21 @@
 @using Microsoft.AspNetCore.Components.Authorization
 @using Microsoft.AspNetCore.Components.WebAssembly.Authentication
+@using Microsoft.Extensions.Configuration
 
 @inject NavigationManager Navigation
 @inject SignOutSessionStateManager SignOutManager
+@inject IConfiguration Configuration
 
-<AuthorizeView>
+<AuthorizeView Context="auth">
     <Authorized>
-        <a href="authentication/profile">Hello, @context.User.Identity.Name!</a>
+        <a href="authentication/profile">Hello, @auth.User.Identity.Name!</a>
         <button class="nav-link btn btn-link" @onclick="BeginSignOut">Log out</button>
     </Authorized>
     <NotAuthorized>
+        @if (Configuration["IdentityServer:Registration"].Equals("enabled"))
+        {
             <a href="authentication/register">Register</a>
+        }
         <a href="authentication/login">Log in</a>
     </NotAuthorized>
 </AuthorizeView>

src/MultiShop/Client/Shared/NavMenu.razor

@@ -1,4 +1,13 @@
-<nav class="navbar navbar-expand-lg navbar-light bg-light">
+@using Microsoft.AspNetCore.Components.Authorization
+@using Microsoft.AspNetCore.Components.WebAssembly.Authentication
+@using Microsoft.Extensions.Configuration
+
+@inject NavigationManager Navigation
+@inject SignOutSessionStateManager SignOutManager
+@inject IConfiguration Configuration
+
+
+<nav class="navbar navbar-expand-lg navbar-light bg-light">
     <a class="navbar-brand" href="">
         <img src="100x100.png" width="30" height="30" class="d-inline-block align-top">
         MultiShop
@@ -20,6 +29,19 @@
                 </NavLink>
             </li>
         </ul>
+        <AuthorizeView Context="auth">
+            <Authorized>
+                <a href="authentication/profile">Hello, @auth.User.Identity.Name!</a>
+                <button class="nav-link btn btn-link" @onclick="BeginSignOut">Log out</button>
+            </Authorized>
+            <NotAuthorized>
+                @if (Configuration["IdentityServer:Registration"].Equals("enabled"))
+                {
+                    <a class="mx-1" href="authentication/register">Register</a>
+                }
+                <a class="mx-1" href="authentication/login">Log in</a>
+            </NotAuthorized>
+        </AuthorizeView>
     </div>
 </nav>
 
@@ -32,4 +54,11 @@
     {
         collapseNavMenu = !collapseNavMenu;
     }
+
+    private async Task BeginSignOut(MouseEventArgs args)
+    {
+        await SignOutManager.SetSignOutState();
+        Navigation.NavigateTo("authentication/logout");
+    }
+
 }

src/MultiShop/Server/Areas/Identity/IdentityHostingStartup.cs

@@ -0,0 +1,22 @@
+using System;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Identity.UI;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using MultiShop.Server.Data;
+using MultiShop.Server.Models;
+
+[assembly: HostingStartup(typeof(MultiShop.Server.Areas.Identity.IdentityHostingStartup))]
+namespace MultiShop.Server.Areas.Identity
+{
+    public class IdentityHostingStartup : IHostingStartup
+    {
+        public void Configure(IWebHostBuilder builder)
+        {
+            builder.ConfigureServices((context, services) => {
+            });
+        }
+    }
+}

src/MultiShop/Server/Areas/Identity/Pages/Account/Login.cshtml

@@ -0,0 +1,85 @@
+@page
+@model LoginModel
+
+@{
+    ViewData["Title"] = "Log in";
+}
+
+<h1>@ViewData["Title"]</h1>
+<div class="row">
+    <div class="col-md-4">
+        <section>
+            <form id="account" method="post">
+                <h4>Use a local account to log in.</h4>
+                <hr />
+                <div asp-validation-summary="All" class="text-danger"></div>
+                <div class="form-group">
+                    <label asp-for="Input.Email"></label>
+                    <input asp-for="Input.Email" class="form-control" />
+                    <span asp-validation-for="Input.Email" class="text-danger"></span>
+                </div>
+                <div class="form-group">
+                    <label asp-for="Input.Password"></label>
+                    <input asp-for="Input.Password" class="form-control" />
+                    <span asp-validation-for="Input.Password" class="text-danger"></span>
+                </div>
+                <div class="form-group">
+                    <div class="checkbox">
+                        <label asp-for="Input.RememberMe">
+                            <input asp-for="Input.RememberMe" />
+                            @Html.DisplayNameFor(m => m.Input.RememberMe)
+                        </label>
+                    </div>
+                </div>
+                <div class="form-group">
+                    <button type="submit" class="btn btn-primary">Log in</button>
+                </div>
+                <div class="form-group">
+                    <p>
+                        <a id="forgot-password" asp-page="./ForgotPassword">Forgot your password?</a>
+                    </p>
+                    <p>
+                        <a asp-page="./Register" asp-route-returnUrl="@Model.ReturnUrl">Register as a new user</a>
+                    </p>
+                    <p>
+                        <a id="resend-confirmation" asp-page="./ResendEmailConfirmation">Resend email confirmation</a>
+                    </p>
+                </div>
+            </form>
+        </section>
+    </div>
+    <div class="col-md-6 col-md-offset-2">
+        <section>
+            <h4>Use another service to log in.</h4>
+            <hr />
+            @{
+                if ((Model.ExternalLogins?.Count ?? 0) == 0)
+                {
+                    <div>
+                        <p>
+                            There are no external authentication services configured. See <a href="https://go.microsoft.com/fwlink/?LinkID=532715">this article</a>
+                            for details on setting up this ASP.NET application to support logging in via external services.
+                        </p>
+                    </div>
+                }
+                else
+                {
+                    <form id="external-account" asp-page="./ExternalLogin" asp-route-returnUrl="@Model.ReturnUrl" method="post" class="form-horizontal">
+                        <div>
+                            <p>
+                                @foreach (var provider in Model.ExternalLogins)
+                                {
+                                    <button type="submit" class="btn btn-primary" name="provider" value="@provider.Name" title="Log in using your @provider.DisplayName account">@provider.DisplayName</button>
+                                }
+                            </p>
+                        </div>
+                    </form>
+                }
+            }
+        </section>
+    </div>
+</div>
+
+@section Scripts {
+    <partial name="_ValidationScriptsPartial" />
+}

src/MultiShop/Server/Areas/Identity/Pages/Account/Login.cshtml.cs

@@ -0,0 +1,111 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text.Encodings.Web;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Identity.UI.Services;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Logging;
+using MultiShop.Server.Models;
+
+namespace MultiShop.Server.Areas.Identity.Pages.Account
+{
+    [AllowAnonymous]
+    public class LoginModel : PageModel
+    {
+        private readonly UserManager<ApplicationUser> _userManager;
+        private readonly SignInManager<ApplicationUser> _signInManager;
+        private readonly ILogger<LoginModel> _logger;
+
+        public LoginModel(SignInManager<ApplicationUser> signInManager, 
+            ILogger<LoginModel> logger,
+            UserManager<ApplicationUser> userManager)
+        {
+            _userManager = userManager;
+            _signInManager = signInManager;
+            _logger = logger;
+        }
+
+        [BindProperty]
+        public InputModel Input { get; set; }
+
+        public IList<AuthenticationScheme> ExternalLogins { get; set; }
+
+        public string ReturnUrl { get; set; }
+
+        [TempData]
+        public string ErrorMessage { get; set; }
+
+        public class InputModel
+        {
+            [Required]
+            [EmailAddress]
+            public string Email { get; set; }
+
+            [Required]
+            [DataType(DataType.Password)]
+            public string Password { get; set; }
+
+            [Display(Name = "Remember me?")]
+            public bool RememberMe { get; set; }
+        }
+
+        public async Task OnGetAsync(string returnUrl = null)
+        {
+            if (!string.IsNullOrEmpty(ErrorMessage))
+            {
+                ModelState.AddModelError(string.Empty, ErrorMessage);
+            }
+
+            returnUrl ??= Url.Content("~/");
+
+            // Clear the existing external cookie to ensure a clean login process
+            await HttpContext.SignOutAsync(IdentityConstants.ExternalScheme);
+
+            ExternalLogins = (await _signInManager.GetExternalAuthenticationSchemesAsync()).ToList();
+
+            ReturnUrl = returnUrl;
+        }
+
+        public async Task<IActionResult> OnPostAsync(string returnUrl = null)
+        {
+            returnUrl ??= Url.Content("~/");
+
+            ExternalLogins = (await _signInManager.GetExternalAuthenticationSchemesAsync()).ToList();
+        
+            if (ModelState.IsValid)
+            {
+                // This doesn't count login failures towards account lockout
+                // To enable password failures to trigger account lockout, set lockoutOnFailure: true
+                var result = await _signInManager.PasswordSignInAsync(Input.Email, Input.Password, Input.RememberMe, lockoutOnFailure: false);
+                if (result.Succeeded)
+                {
+                    _logger.LogInformation("User logged in.");
+                    return LocalRedirect(returnUrl);
+                }
+                if (result.RequiresTwoFactor)
+                {
+                    return RedirectToPage("./LoginWith2fa", new { ReturnUrl = returnUrl, RememberMe = Input.RememberMe });
+                }
+                if (result.IsLockedOut)
+                {
+                    _logger.LogWarning("User account locked out.");
+                    return RedirectToPage("./Lockout");
+                }
+                else
+                {
+                    ModelState.AddModelError(string.Empty, "Invalid login attempt.");
+                    return Page();
+                }
+            }
+
+            // If we got this far, something failed, redisplay form
+            return Page();
+        }
+    }
+}

src/MultiShop/Server/Areas/Identity/Pages/Account/Logout.cshtml

@@ -0,0 +1,21 @@
+@page
+@model LogoutModel
+@{
+    ViewData["Title"] = "Log out";
+}
+
+<header>
+    <h1>@ViewData["Title"]</h1>
+    @{
+        if (User.Identity.IsAuthenticated)
+        {
+            <form class="form-inline" asp-area="Identity" asp-page="/Account/Logout" asp-route-returnUrl="@Url.Page("/", new { area = "" })" method="post">
+                <button type="submit" class="nav-link btn btn-link text-dark">Click here to Logout</button>
+            </form>
+        }
+        else
+        {
+            <p>You have successfully logged out of the application.</p>
+        }
+    }
+</header>

src/MultiShop/Server/Areas/Identity/Pages/Account/Logout.cshtml.cs

@@ -0,0 +1,44 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Logging;
+using MultiShop.Server.Models;
+
+namespace MultiShop.Server.Areas.Identity.Pages.Account
+{
+    [AllowAnonymous]
+    public class LogoutModel : PageModel
+    {
+        private readonly SignInManager<ApplicationUser> _signInManager;
+        private readonly ILogger<LogoutModel> _logger;
+
+        public LogoutModel(SignInManager<ApplicationUser> signInManager, ILogger<LogoutModel> logger)
+        {
+            _signInManager = signInManager;
+            _logger = logger;
+        }
+
+        public void OnGet()
+        {
+        }
+
+        public async Task<IActionResult> OnPost(string returnUrl = null)
+        {
+            await _signInManager.SignOutAsync();
+            _logger.LogInformation("User logged out.");
+            if (returnUrl != null)
+            {
+                return LocalRedirect(returnUrl);
+            }
+            else
+            {
+                return RedirectToPage();
+            }
+        }
+    }
+}

src/MultiShop/Server/Areas/Identity/Pages/Account/Register.cshtml

@@ -0,0 +1,67 @@
+@page
+@model RegisterModel
+@{
+    ViewData["Title"] = "Register";
+}
+
+<h1>@ViewData["Title"]</h1>
+
+<div class="row">
+    <div class="col-md-4">
+        <form asp-route-returnUrl="@Model.ReturnUrl" method="post">
+            <h4>Create a new account.</h4>
+            <hr />
+            <div asp-validation-summary="All" class="text-danger"></div>
+            <div class="form-group">
+                <label asp-for="Input.Email"></label>
+                <input asp-for="Input.Email" class="form-control" />
+                <span asp-validation-for="Input.Email" class="text-danger"></span>
+            </div>
+            <div class="form-group">
+                <label asp-for="Input.Password"></label>
+                <input asp-for="Input.Password" class="form-control" />
+                <span asp-validation-for="Input.Password" class="text-danger"></span>
+            </div>
+            <div class="form-group">
+                <label asp-for="Input.ConfirmPassword"></label>
+                <input asp-for="Input.ConfirmPassword" class="form-control" />
+                <span asp-validation-for="Input.ConfirmPassword" class="text-danger"></span>
+            </div>
+            <button type="submit" class="btn btn-primary">Register</button>
+        </form>
+    </div>
+    <div class="col-md-6 col-md-offset-2">
+        <section>
+            <h4>Use another service to register.</h4>
+            <hr />
+            @{
+                if ((Model.ExternalLogins?.Count ?? 0) == 0)
+                {
+                    <div>
+                        <p>
+                            There are no external authentication services configured. See <a href="https://go.microsoft.com/fwlink/?LinkID=532715">this article</a>
+                            for details on setting up this ASP.NET application to support logging in via external services.
+                        </p>
+                    </div>
+                }
+                else
+                {
+                    <form id="external-account" asp-page="./ExternalLogin" asp-route-returnUrl="@Model.ReturnUrl" method="post" class="form-horizontal">
+                        <div>
+                            <p>
+                                @foreach (var provider in Model.ExternalLogins)
+                                {
+                                    <button type="submit" class="btn btn-primary" name="provider" value="@provider.Name" title="Log in using your @provider.DisplayName account">@provider.DisplayName</button>
+                                }
+                            </p>
+                        </div>
+                    </form>
+                }
+            }
+        </section>
+    </div>
+</div>
+
+@section Scripts {
+    <partial name="_ValidationScriptsPartial" />
+}

src/MultiShop/Server/Areas/Identity/Pages/Account/Register.cshtml.cs

@@ -0,0 +1,115 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Text.Encodings.Web;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Identity.UI.Services;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.AspNetCore.WebUtilities;
+using Microsoft.Extensions.Logging;
+using MultiShop.Server.Models;
+
+namespace MultiShop.Server.Areas.Identity.Pages.Account
+{
+    [AllowAnonymous]
+    public class RegisterModel : PageModel
+    {
+        private readonly SignInManager<ApplicationUser> _signInManager;
+        private readonly UserManager<ApplicationUser> _userManager;
+        private readonly ILogger<RegisterModel> _logger;
+        private readonly IEmailSender _emailSender;
+
+        public RegisterModel(
+            UserManager<ApplicationUser> userManager,
+            SignInManager<ApplicationUser> signInManager,
+            ILogger<RegisterModel> logger,
+            IEmailSender emailSender)
+        {
+            _userManager = userManager;
+            _signInManager = signInManager;
+            _logger = logger;
+            _emailSender = emailSender;
+        }
+
+        [BindProperty]
+        public InputModel Input { get; set; }
+
+        public string ReturnUrl { get; set; }
+
+        public IList<AuthenticationScheme> ExternalLogins { get; set; }
+
+        public class InputModel
+        {
+            [Required]
+            [EmailAddress]
+            [Display(Name = "Email")]
+            public string Email { get; set; }
+
+            [Required]
+            [StringLength(100, ErrorMessage = "The {0} must be at least {2} and at max {1} characters long.", MinimumLength = 6)]
+            [DataType(DataType.Password)]
+            [Display(Name = "Password")]
+            public string Password { get; set; }
+
+            [DataType(DataType.Password)]
+            [Display(Name = "Confirm password")]
+            [Compare("Password", ErrorMessage = "The password and confirmation password do not match.")]
+            public string ConfirmPassword { get; set; }
+        }
+
+        public async Task OnGetAsync(string returnUrl = null)
+        {
+            ReturnUrl = returnUrl;
+            ExternalLogins = (await _signInManager.GetExternalAuthenticationSchemesAsync()).ToList();
+        }
+
+        public async Task<IActionResult> OnPostAsync(string returnUrl = null)
+        {
+            returnUrl ??= Url.Content("~/");
+            ExternalLogins = (await _signInManager.GetExternalAuthenticationSchemesAsync()).ToList();
+            if (ModelState.IsValid)
+            {
+                var user = new ApplicationUser { UserName = Input.Email, Email = Input.Email };
+                var result = await _userManager.CreateAsync(user, Input.Password);
+                if (result.Succeeded)
+                {
+                    _logger.LogInformation("User created a new account with password.");
+
+                    var code = await _userManager.GenerateEmailConfirmationTokenAsync(user);
+                    code = WebEncoders.Base64UrlEncode(Encoding.UTF8.GetBytes(code));
+                    var callbackUrl = Url.Page(
+                        "/Account/ConfirmEmail",
+                        pageHandler: null,
+                        values: new { area = "Identity", userId = user.Id, code = code, returnUrl = returnUrl },
+                        protocol: Request.Scheme);
+
+                    await _emailSender.SendEmailAsync(Input.Email, "Confirm your email",
+                        $"Please confirm your account by <a href='{HtmlEncoder.Default.Encode(callbackUrl)}'>clicking here</a>.");
+
+                    if (_userManager.Options.SignIn.RequireConfirmedAccount)
+                    {
+                        return RedirectToPage("RegisterConfirmation", new { email = Input.Email, returnUrl = returnUrl });
+                    }
+                    else
+                    {
+                        await _signInManager.SignInAsync(user, isPersistent: false);
+                        return LocalRedirect(returnUrl);
+                    }
+                }
+                foreach (var error in result.Errors)
+                {
+                    ModelState.AddModelError(string.Empty, error.Description);
+                }
+            }
+
+            // If we got this far, something failed, redisplay form
+            return Page();
+        }
+    }
+}

src/MultiShop/Server/Areas/Identity/Pages/Account/_ViewImports.cshtml

@@ -0,0 +1 @@
+@using MultiShop.Server.Areas.Identity.Pages.Account

src/MultiShop/Server/Areas/Identity/Pages/_ViewImports.cshtml

@@ -0,0 +1,5 @@
+@using Microsoft.AspNetCore.Identity
+@using MultiShop.Server.Areas.Identity
+@using MultiShop.Server.Areas.Identity.Pages
+@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers
+@using MultiShop.Server.Models

src/MultiShop/Server/Areas/Identity/Pages/_ViewStart.cshtml

@@ -0,0 +1,4 @@
+
+@{
+    Layout = "/Pages/Shared/_Layout.cshtml";
+}

src/MultiShop/Server/Controllers/PublicApiSettingsController.cs

@@ -0,0 +1,25 @@
+using System.Collections.Generic;
+using System.IO;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Configuration;
+
+namespace MultiShop.Server.Controllers
+{
+    [ApiController]
+    [Route("[controller]")]
+    public class PublicApiSettingsController : ControllerBase
+    {
+        private IConfiguration configuration;
+        public PublicApiSettingsController(IConfiguration configuration)
+        {
+            this.configuration = configuration;
+        }
+
+        [HttpGet]
+        public IReadOnlyDictionary<string, string> GetPublicConfiguration() {
+            return new Dictionary<string, string> {
+                {"IdentityServer:Registration", configuration["IdentityServer:Registration"]}
+            };
+        }
+    }
+}

src/MultiShop/Server/Controllers/ShopModulesController.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.IO;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Configuration;
+using MultiShop.Server.Options;
 
 namespace MultiShop.Server.Controllers
 {
@@ -22,9 +23,10 @@ namespace MultiShop.Server.Controllers
         }
         
         public IEnumerable<string> GetShopModuleNames() {
-            foreach (string file in Directory.EnumerateFiles(configuration["ModulesDir"]))
+            ShopOptions options = configuration.GetSection(ShopOptions.Shop).Get<ShopOptions>();
+            foreach (string file in Directory.EnumerateFiles(options.Directory))
             {
-                if (Path.GetExtension(file).ToLower().Equals(".dll")) {
+                if (Path.GetExtension(file).ToLower().Equals(".dll") && !options.Disabled.Contains(Path.GetFileNameWithoutExtension(file))) {
                     yield return Path.GetFileNameWithoutExtension(file);
                 }
             }
@@ -34,8 +36,11 @@ namespace MultiShop.Server.Controllers
         [HttpGet]
         [Route("{shopModuleName}")]
         public ActionResult GetModule(string shopModuleName) {
-            string shopPath = Path.Join(configuration["ModulesDir"], shopModuleName);
+            ShopOptions options = configuration.GetSection(ShopOptions.Shop).Get<ShopOptions>();
+            string shopPath = Path.Join(options.Directory, shopModuleName);
+            shopPath += ".dll";
             if (!System.IO.File.Exists(shopPath)) return NotFound();
+            if (options.Disabled.Contains(shopModuleName)) return Forbid();
             return File(new FileStream(shopPath, FileMode.Open), "application/shop-dll");
         }
     }

src/MultiShop/Server/MultiShop.Server.csproj

@@ -7,6 +7,12 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Server" Version="5.0.5" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="5.0.6">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="5.0.6" />
+    <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="5.0.2" />
   </ItemGroup>
 
   <ItemGroup>
@@ -20,11 +26,14 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore" Version="5.0.5" />
-    <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="5.0.5" />
+    <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="5.0.6" />
-    <PackageReference Include="Microsoft.AspNetCore.Identity.UI" Version="5.0.5" />
+    <PackageReference Include="Microsoft.AspNetCore.Identity.UI" Version="5.0.6" />
     <PackageReference Include="Microsoft.AspNetCore.ApiAuthorization.IdentityServer" Version="5.0.5" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="5.0.5" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="5.0.5" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="5.0.6">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
   </ItemGroup>
 
 </Project>

src/MultiShop/Server/Options/ShopsOptions.cs

@@ -0,0 +1,13 @@
+using System.Collections.Generic;
+
+namespace MultiShop.Server.Options
+{
+    //https://docs.microsoft.com/en-us/aspnet/core/fundamentals/configuration/?view=aspnetcore-5.0#bind-hierarchical-configuration-data-using-the-options-pattern
+    public class ShopOptions
+    {
+        public const string Shop = "Shops";
+        public string Directory { get; set; }
+        public IList<string> Disabled { get; set; }
+    }
+
+}

src/MultiShop/Server/Pages/Privacy.cshtml

@@ -0,0 +1,8 @@
+@page
+@model MultiShop.Server.Pages.PrivacyModel
+@{
+    ViewData["Title"] = "Privacy Policy";
+}
+<h1>@ViewData["Title"]</h1>
+
+<p>We store your username, email and password for authentication, your search and result preferences, and your shopping lists. Nothing else.</p>

src/MultiShop/Server/Pages/Privacy.cshtml.cs

@@ -0,0 +1,19 @@
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Logging;
+
+namespace MultiShop.Server.Pages
+{
+    public class PrivacyModel : PageModel
+    {
+        private readonly ILogger<PrivacyModel> _logger;
+
+        public PrivacyModel(ILogger<PrivacyModel> logger)
+        {
+            _logger = logger;
+        }
+
+        public void OnGet()
+        {
+        }
+    }
+}

src/MultiShop/Server/Pages/Shared/_Layout.cshtml

@@ -0,0 +1,57 @@
+@using Microsoft.AspNetCore.Hosting
+@using Microsoft.AspNetCore.Mvc.ViewEngines
+@inject IWebHostEnvironment Environment
+@inject ICompositeViewEngine Engine
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>@ViewData["Title"] - MultiShop</title>
+    <link rel="stylesheet" href="~/Identity/lib/bootstrap/dist/css/bootstrap.min.css" />
+    <link rel="stylesheet" href="~/Identity/css/site.css" />
+</head>
+<body>
+    <header>
+        <nav class="navbar navbar-expand-sm navbar-light navbar-toggleable-sm bg-white border-bottom box-shadow mb-3">
+            <div class="container">
+                <a class="navbar-brand" href="~/">MultiShop</a>
+                <button class="navbar-toggler" type="button" data-toggle="collapse" data-target=".navbar-collapse" aria-controls="navbarSupportedContent"
+                        aria-expanded="false" aria-label="Toggle navigation">
+                    <span class="navbar-toggler-icon"></span>
+                </button>
+                <div class="navbar-collapse collapse d-sm-inline-flex flex-sm-row-reverse">
+                    @{
+                        var result = Engine.FindView(ViewContext, "_LoginPartial", isMainPage: false);
+                    }
+                    @if (result.Success)
+                    {
+                        await Html.RenderPartialAsync("_LoginPartial");
+                    }
+                    else
+                    {
+                        throw new InvalidOperationException("The default Identity UI layout requires a partial view '_LoginPartial' " +
+                            "usually located at '/Pages/_LoginPartial' or at '/Views/Shared/_LoginPartial' to work. Based on your configuration " +
+                            $"we have looked at it in the following locations: {System.Environment.NewLine}{string.Join(System.Environment.NewLine, result.SearchedLocations)}.");
+                    }
+                </div>
+            </div>
+        </nav>
+    </header>
+
+    <div class="container">
+        <main role="main" class="pb-3">
+            @RenderBody()
+        </main>
+    </div>
+    <footer class="footer border-top text-muted">
+        <div class="container">
+            &copy; 2021 - MultiShop - <a asp-area="" asp-page="/Privacy">Privacy</a>
+        </div>
+    </footer>
+    <script src="~/Identity/lib/jquery/dist/jquery.min.js"></script>
+    <script src="~/Identity/lib/bootstrap/dist/js/bootstrap.bundle.min.js"></script>
+    <script src="~/Identity/js/site.js" asp-append-version="true"></script>
+    @RenderSection("Scripts", required: false)
+</body>
+</html>

src/MultiShop/Server/Pages/Shared/_LoginPartial.cshtml

@@ -0,0 +1,28 @@
+@using Microsoft.AspNetCore.Identity
+@using MultiShop.Server.Models
+
+@inject SignInManager<ApplicationUser> SignInManager
+@inject UserManager<ApplicationUser> UserManager
+
+<ul class="navbar-nav">
+@if (SignInManager.IsSignedIn(User))
+{
+    <li class="nav-item">
+        <a id="manage" class="nav-link text-dark" asp-area="Identity" asp-page="/Account/Manage/Index" title="Manage">Hello @UserManager.GetUserName(User)!</a>
+    </li>
+    <li class="nav-item">
+        <form id="logoutForm" class="form-inline" asp-area="Identity" asp-page="/Account/Logout" asp-route-returnUrl="@Url.Page("/Index", new { area = "" })">
+            <button id="logout" type="submit" class="nav-link btn btn-link text-dark">Logout</button>
+        </form>
+    </li>
+}
+else
+{
+    <li class="nav-item">
+        <a class="nav-link text-dark" id="register" asp-area="Identity" asp-page="/Account/Register">Register</a>
+    </li>
+    <li class="nav-item">
+        <a class="nav-link text-dark" id="login" asp-area="Identity" asp-page="/Account/Login">Login</a>
+    </li>
+}
+</ul>

src/MultiShop/Server/Pages/Shared/_ValidationScriptsPartial.cshtml

@@ -0,0 +1,18 @@
+<environment include="Development">
+    <script src="~/Identity/lib/jquery-validation/dist/jquery.validate.js"></script>
+    <script src="~/Identity/lib/jquery-validation-unobtrusive/jquery.validate.unobtrusive.js"></script>
+</environment>
+<environment exclude="Development">
+    <script src="https://ajax.aspnetcdn.com/ajax/jquery.validate/1.17.0/jquery.validate.min.js"
+            asp-fallback-src="~/Identity/lib/jquery-validation/dist/jquery.validate.min.js"
+            asp-fallback-test="window.jQuery && window.jQuery.validator"
+            crossorigin="anonymous"
+            integrity="sha384-rZfj/ogBloos6wzLGpPkkOr/gpkBNLZ6b6yLy4o+ok+t/SAKlL5mvXLr0OXNi1Hp">
+    </script>
+    <script src="https://ajax.aspnetcdn.com/ajax/jquery.validation.unobtrusive/3.2.9/jquery.validate.unobtrusive.min.js"
+            asp-fallback-src="~/Identity/lib/jquery-validation-unobtrusive/jquery.validate.unobtrusive.min.js"
+            asp-fallback-test="window.jQuery && window.jQuery.validator && window.jQuery.validator.unobtrusive"
+            crossorigin="anonymous"
+            integrity="sha384-ifv0TYDWxBHzvAk2Z0n8R434FL1Rlv/Av18DXE43N/1rvHyOG4izKst0f2iSLdds">
+    </script>
+</environment>

src/MultiShop/Server/Pages/_ViewImports.cshtml

@@ -0,0 +1,6 @@
+@using Microsoft.AspNetCore.Identity
+@using MultiShop.Server.Areas.Identity
+
+
+MultiShop.Server.Pages
+@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers

src/MultiShop/Server/Pages/_ViewStart.cshtml

@@ -0,0 +1,3 @@
+@{
+    Layout = "_Layout";
+}

src/MultiShop/Server/appsettings.json

@@ -1,5 +1,10 @@
 {
-  "ModulesDir": "modules",
+  "Shops": {
+    "Directory": "modules",
+    "Disabled": [
+      "MultiShop.Shop.BanggoodModule"
+    ]
+  },
   "ConnectionStrings": {
     "DefaultConnection": "DataSource=app.db"
   },
@@ -11,6 +16,7 @@
     }
   },
   "IdentityServer": {
+    "Registration": "enabled",
     "Clients": {
       "MultiShop.Client": {
         "Profile": "IdentityServerSPA"

src/MultiShop/Server/wwwroot/css/site.css

@@ -0,0 +1,65 @@
+/* Please see documentation at https://docs.microsoft.com/aspnet/core/client-side/bundling-and-minification\
+for details on configuring this project to bundle and minify static web assets. */
+
+a.navbar-brand {
+  white-space: normal;
+  text-align: center;
+  word-break: break-all;
+}
+
+/* Sticky footer styles
+-------------------------------------------------- */
+html {
+  font-size: 14px;
+}
+@media (min-width: 768px) {
+  html {
+    font-size: 16px;
+  }
+}
+
+.container {
+  max-width: 960px;
+}
+
+.pricing-header {
+  max-width: 700px;
+}
+
+.border-top {
+  border-top: 1px solid #e5e5e5;
+}
+.border-bottom {
+  border-bottom: 1px solid #e5e5e5;
+}
+
+.box-shadow {
+  box-shadow: 0 .25rem .75rem rgba(0, 0, 0, .05);
+}
+
+button.accept-policy {
+  font-size: 1rem;
+  line-height: inherit;
+}
+
+/* Sticky footer styles
+-------------------------------------------------- */
+html {
+  position: relative;
+  min-height: 100%;
+}
+
+body {
+  /* Margin bottom by footer height */
+  margin-bottom: 60px;
+}
+.footer {
+  position: absolute;
+  bottom: 0;
+  width: 100%;
+  overflow: scroll;
+  white-space: nowrap;
+  /* Set the fixed height of the footer here */
+  height: 60px;
+  line-height: 60px; /* Vertically center the text there */
+}

src/MultiShop/Server/wwwroot/js/site.js

@@ -0,0 +1,4 @@
+// Please see documentation at https://docs.microsoft.com/aspnet/core/client-side/bundling-and-minification
+// for details on configuring this project to bundle and minify static web assets.
+
+// Write your JavaScript code.

src/MultiShop/Server/wwwroot/lib/bootstrap/LICENSE

@@ -0,0 +1,22 @@
+The MIT License (MIT)
+
+Copyright (c) 2011-2018 Twitter, Inc.
+Copyright (c) 2011-2018 The Bootstrap Authors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

src/MultiShop/Server/wwwroot/lib/jquery-validation-unobtrusive/jquery.validate.unobtrusive.js

@@ -0,0 +1,432 @@
+// Unobtrusive validation support library for jQuery and jQuery Validate
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+// @version v3.2.11
+
+/*jslint white: true, browser: true, onevar: true, undef: true, nomen: true, eqeqeq: true, plusplus: true, bitwise: true, regexp: true, newcap: true, immed: true, strict: false */
+/*global document: false, jQuery: false */
+
+(function (factory) {
+    if (typeof define === 'function' && define.amd) {
+        // AMD. Register as an anonymous module.
+        define("jquery.validate.unobtrusive", ['jquery-validation'], factory);
+    } else if (typeof module === 'object' && module.exports) {
+        // CommonJS-like environments that support module.exports     
+        module.exports = factory(require('jquery-validation'));
+    } else {
+        // Browser global
+        jQuery.validator.unobtrusive = factory(jQuery);
+    }
+}(function ($) {
+    var $jQval = $.validator,
+        adapters,
+        data_validation = "unobtrusiveValidation";
+
+    function setValidationValues(options, ruleName, value) {
+        options.rules[ruleName] = value;
+        if (options.message) {
+            options.messages[ruleName] = options.message;
+        }
+    }
+
+    function splitAndTrim(value) {
+        return value.replace(/^\s+|\s+$/g, "").split(/\s*,\s*/g);
+    }
+
+    function escapeAttributeValue(value) {
+        // As mentioned on http://api.jquery.com/category/selectors/
+        return value.replace(/([!"#$%&'()*+,./:;<=>?@\[\\\]^`{|}~])/g, "\\$1");
+    }
+
+    function getModelPrefix(fieldName) {
+        return fieldName.substr(0, fieldName.lastIndexOf(".") + 1);
+    }
+
+    function appendModelPrefix(value, prefix) {
+        if (value.indexOf("*.") === 0) {
+            value = value.replace("*.", prefix);
+        }
+        return value;
+    }
+
+    function onError(error, inputElement) {  // 'this' is the form element
+        var container = $(this).find("[data-valmsg-for='" + escapeAttributeValue(inputElement[0].name) + "']"),
+            replaceAttrValue = container.attr("data-valmsg-replace"),
+            replace = replaceAttrValue ? $.parseJSON(replaceAttrValue) !== false : null;
+
+        container.removeClass("field-validation-valid").addClass("field-validation-error");
+        error.data("unobtrusiveContainer", container);
+
+        if (replace) {
+            container.empty();
+            error.removeClass("input-validation-error").appendTo(container);
+        }
+        else {
+            error.hide();
+        }
+    }
+
+    function onErrors(event, validator) {  // 'this' is the form element
+        var container = $(this).find("[data-valmsg-summary=true]"),
+            list = container.find("ul");
+
+        if (list && list.length && validator.errorList.length) {
+            list.empty();
+            container.addClass("validation-summary-errors").removeClass("validation-summary-valid");
+
+            $.each(validator.errorList, function () {
+                $("<li />").html(this.message).appendTo(list);
+            });
+        }
+    }
+
+    function onSuccess(error) {  // 'this' is the form element
+        var container = error.data("unobtrusiveContainer");
+
+        if (container) {
+            var replaceAttrValue = container.attr("data-valmsg-replace"),
+                replace = replaceAttrValue ? $.parseJSON(replaceAttrValue) : null;
+
+            container.addClass("field-validation-valid").removeClass("field-validation-error");
+            error.removeData("unobtrusiveContainer");
+
+            if (replace) {
+                container.empty();
+            }
+        }
+    }
+
+    function onReset(event) {  // 'this' is the form element
+        var $form = $(this),
+            key = '__jquery_unobtrusive_validation_form_reset';
+        if ($form.data(key)) {
+            return;
+        }
+        // Set a flag that indicates we're currently resetting the form.
+        $form.data(key, true);
+        try {
+            $form.data("validator").resetForm();
+        } finally {
+            $form.removeData(key);
+        }
+
+        $form.find(".validation-summary-errors")
+            .addClass("validation-summary-valid")
+            .removeClass("validation-summary-errors");
+        $form.find(".field-validation-error")
+            .addClass("field-validation-valid")
+            .removeClass("field-validation-error")
+            .removeData("unobtrusiveContainer")
+            .find(">*")  // If we were using valmsg-replace, get the underlying error
+            .removeData("unobtrusiveContainer");
+    }
+
+    function validationInfo(form) {
+        var $form = $(form),
+            result = $form.data(data_validation),
+            onResetProxy = $.proxy(onReset, form),
+            defaultOptions = $jQval.unobtrusive.options || {},
+            execInContext = function (name, args) {
+                var func = defaultOptions[name];
+                func && $.isFunction(func) && func.apply(form, args);
+            };
+
+        if (!result) {
+            result = {
+                options: {  // options structure passed to jQuery Validate's validate() method
+                    errorClass: defaultOptions.errorClass || "input-validation-error",
+                    errorElement: defaultOptions.errorElement || "span",
+                    errorPlacement: function () {
+                        onError.apply(form, arguments);
+                        execInContext("errorPlacement", arguments);
+                    },
+                    invalidHandler: function () {
+                        onErrors.apply(form, arguments);
+                        execInContext("invalidHandler", arguments);
+                    },
+                    messages: {},
+                    rules: {},
+                    success: function () {
+                        onSuccess.apply(form, arguments);
+                        execInContext("success", arguments);
+                    }
+                },
+                attachValidation: function () {
+                    $form
+                        .off("reset." + data_validation, onResetProxy)
+                        .on("reset." + data_validation, onResetProxy)
+                        .validate(this.options);
+                },
+                validate: function () {  // a validation function that is called by unobtrusive Ajax
+                    $form.validate();
+                    return $form.valid();
+                }
+            };
+            $form.data(data_validation, result);
+        }
+
+        return result;
+    }
+
+    $jQval.unobtrusive = {
+        adapters: [],
+
+        parseElement: function (element, skipAttach) {
+            /// <summary>
+            /// Parses a single HTML element for unobtrusive validation attributes.
+            /// </summary>
+            /// <param name="element" domElement="true">The HTML element to be parsed.</param>
+            /// <param name="skipAttach" type="Boolean">[Optional] true to skip attaching the
+            /// validation to the form. If parsing just this single element, you should specify true.
+            /// If parsing several elements, you should specify false, and manually attach the validation
+            /// to the form when you are finished. The default is false.</param>
+            var $element = $(element),
+                form = $element.parents("form")[0],
+                valInfo, rules, messages;
+
+            if (!form) {  // Cannot do client-side validation without a form
+                return;
+            }
+
+            valInfo = validationInfo(form);
+            valInfo.options.rules[element.name] = rules = {};
+            valInfo.options.messages[element.name] = messages = {};
+
+            $.each(this.adapters, function () {
+                var prefix = "data-val-" + this.name,
+                    message = $element.attr(prefix),
+                    paramValues = {};
+
+                if (message !== undefined) {  // Compare against undefined, because an empty message is legal (and falsy)
+                    prefix += "-";
+
+                    $.each(this.params, function () {
+                        paramValues[this] = $element.attr(prefix + this);
+                    });
+
+                    this.adapt({
+                        element: element,
+                        form: form,
+                        message: message,
+                        params: paramValues,
+                        rules: rules,
+                        messages: messages
+                    });
+                }
+            });
+
+            $.extend(rules, { "__dummy__": true });
+
+            if (!skipAttach) {
+                valInfo.attachValidation();
+            }
+        },
+
+        parse: function (selector) {
+            /// <summary>
+            /// Parses all the HTML elements in the specified selector. It looks for input elements decorated
+            /// with the [data-val=true] attribute value and enables validation according to the data-val-*
+            /// attribute values.
+            /// </summary>
+            /// <param name="selector" type="String">Any valid jQuery selector.</param>
+
+            // $forms includes all forms in selector's DOM hierarchy (parent, children and self) that have at least one
+            // element with data-val=true
+            var $selector = $(selector),
+                $forms = $selector.parents()
+                    .addBack()
+                    .filter("form")
+                    .add($selector.find("form"))
+                    .has("[data-val=true]");
+
+            $selector.find("[data-val=true]").each(function () {
+                $jQval.unobtrusive.parseElement(this, true);
+            });
+
+            $forms.each(function () {
+                var info = validationInfo(this);
+                if (info) {
+                    info.attachValidation();
+                }
+            });
+        }
+    };
+
+    adapters = $jQval.unobtrusive.adapters;
+
+    adapters.add = function (adapterName, params, fn) {
+        /// <summary>Adds a new adapter to convert unobtrusive HTML into a jQuery Validate validation.</summary>
+        /// <param name="adapterName" type="String">The name of the adapter to be added. This matches the name used
+        /// in the data-val-nnnn HTML attribute (where nnnn is the adapter name).</param>
+        /// <param name="params" type="Array" optional="true">[Optional] An array of parameter names (strings) that will
+        /// be extracted from the data-val-nnnn-mmmm HTML attributes (where nnnn is the adapter name, and
+        /// mmmm is the parameter name).</param>
+        /// <param name="fn" type="Function">The function to call, which adapts the values from the HTML
+        /// attributes into jQuery Validate rules and/or messages.</param>
+        /// <returns type="jQuery.validator.unobtrusive.adapters" />
+        if (!fn) {  // Called with no params, just a function
+            fn = params;
+            params = [];
+        }
+        this.push({ name: adapterName, params: params, adapt: fn });
+        return this;
+    };
+
+    adapters.addBool = function (adapterName, ruleName) {
+        /// <summary>Adds a new adapter to convert unobtrusive HTML into a jQuery Validate validation, where
+        /// the jQuery Validate validation rule has no parameter values.</summary>
+        /// <param name="adapterName" type="String">The name of the adapter to be added. This matches the name used
+        /// in the data-val-nnnn HTML attribute (where nnnn is the adapter name).</param>
+        /// <param name="ruleName" type="String" optional="true">[Optional] The name of the jQuery Validate rule. If not provided, the value
+        /// of adapterName will be used instead.</param>
+        /// <returns type="jQuery.validator.unobtrusive.adapters" />
+        return this.add(adapterName, function (options) {
+            setValidationValues(options, ruleName || adapterName, true);
+        });
+    };
+
+    adapters.addMinMax = function (adapterName, minRuleName, maxRuleName, minMaxRuleName, minAttribute, maxAttribute) {
+        /// <summary>Adds a new adapter to convert unobtrusive HTML into a jQuery Validate validation, where
+        /// the jQuery Validate validation has three potential rules (one for min-only, one for max-only, and
+        /// one for min-and-max). The HTML parameters are expected to be named -min and -max.</summary>
+        /// <param name="adapterName" type="String">The name of the adapter to be added. This matches the name used
+        /// in the data-val-nnnn HTML attribute (where nnnn is the adapter name).</param>
+        /// <param name="minRuleName" type="String">The name of the jQuery Validate rule to be used when you only
+        /// have a minimum value.</param>
+        /// <param name="maxRuleName" type="String">The name of the jQuery Validate rule to be used when you only
+        /// have a maximum value.</param>
+        /// <param name="minMaxRuleName" type="String">The name of the jQuery Validate rule to be used when you
+        /// have both a minimum and maximum value.</param>
+        /// <param name="minAttribute" type="String" optional="true">[Optional] The name of the HTML attribute that
+        /// contains the minimum value. The default is "min".</param>
+        /// <param name="maxAttribute" type="String" optional="true">[Optional] The name of the HTML attribute that
+        /// contains the maximum value. The default is "max".</param>
+        /// <returns type="jQuery.validator.unobtrusive.adapters" />
+        return this.add(adapterName, [minAttribute || "min", maxAttribute || "max"], function (options) {
+            var min = options.params.min,
+                max = options.params.max;
+
+            if (min && max) {
+                setValidationValues(options, minMaxRuleName, [min, max]);
+            }
+            else if (min) {
+                setValidationValues(options, minRuleName, min);
+            }
+            else if (max) {
+                setValidationValues(options, maxRuleName, max);
+            }
+        });
+    };
+
+    adapters.addSingleVal = function (adapterName, attribute, ruleName) {
+        /// <summary>Adds a new adapter to convert unobtrusive HTML into a jQuery Validate validation, where
+        /// the jQuery Validate validation rule has a single value.</summary>
+        /// <param name="adapterName" type="String">The name of the adapter to be added. This matches the name used
+        /// in the data-val-nnnn HTML attribute(where nnnn is the adapter name).</param>
+        /// <param name="attribute" type="String">[Optional] The name of the HTML attribute that contains the value.
+        /// The default is "val".</param>
+        /// <param name="ruleName" type="String" optional="true">[Optional] The name of the jQuery Validate rule. If not provided, the value
+        /// of adapterName will be used instead.</param>
+        /// <returns type="jQuery.validator.unobtrusive.adapters" />
+        return this.add(adapterName, [attribute || "val"], function (options) {
+            setValidationValues(options, ruleName || adapterName, options.params[attribute]);
+        });
+    };
+
+    $jQval.addMethod("__dummy__", function (value, element, params) {
+        return true;
+    });
+
+    $jQval.addMethod("regex", function (value, element, params) {
+        var match;
+        if (this.optional(element)) {
+            return true;
+        }
+
+        match = new RegExp(params).exec(value);
+        return (match && (match.index === 0) && (match[0].length === value.length));
+    });
+
+    $jQval.addMethod("nonalphamin", function (value, element, nonalphamin) {
+        var match;
+        if (nonalphamin) {
+            match = value.match(/\W/g);
+            match = match && match.length >= nonalphamin;
+        }
+        return match;
+    });
+
+    if ($jQval.methods.extension) {
+        adapters.addSingleVal("accept", "mimtype");
+        adapters.addSingleVal("extension", "extension");
+    } else {
+        // for backward compatibility, when the 'extension' validation method does not exist, such as with versions
+        // of JQuery Validation plugin prior to 1.10, we should use the 'accept' method for
+        // validating the extension, and ignore mime-type validations as they are not supported.
+        adapters.addSingleVal("extension", "extension", "accept");
+    }
+
+    adapters.addSingleVal("regex", "pattern");
+    adapters.addBool("creditcard").addBool("date").addBool("digits").addBool("email").addBool("number").addBool("url");
+    adapters.addMinMax("length", "minlength", "maxlength", "rangelength").addMinMax("range", "min", "max", "range");
+    adapters.addMinMax("minlength", "minlength").addMinMax("maxlength", "minlength", "maxlength");
+    adapters.add("equalto", ["other"], function (options) {
+        var prefix = getModelPrefix(options.element.name),
+            other = options.params.other,
+            fullOtherName = appendModelPrefix(other, prefix),
+            element = $(options.form).find(":input").filter("[name='" + escapeAttributeValue(fullOtherName) + "']")[0];
+
+        setValidationValues(options, "equalTo", element);
+    });
+    adapters.add("required", function (options) {
+        // jQuery Validate equates "required" with "mandatory" for checkbox elements
+        if (options.element.tagName.toUpperCase() !== "INPUT" || options.element.type.toUpperCase() !== "CHECKBOX") {
+            setValidationValues(options, "required", true);
+        }
+    });
+    adapters.add("remote", ["url", "type", "additionalfields"], function (options) {
+        var value = {
+            url: options.params.url,
+            type: options.params.type || "GET",
+            data: {}
+        },
+            prefix = getModelPrefix(options.element.name);
+
+        $.each(splitAndTrim(options.params.additionalfields || options.element.name), function (i, fieldName) {
+            var paramName = appendModelPrefix(fieldName, prefix);
+            value.data[paramName] = function () {
+                var field = $(options.form).find(":input").filter("[name='" + escapeAttributeValue(paramName) + "']");
+                // For checkboxes and radio buttons, only pick up values from checked fields.
+                if (field.is(":checkbox")) {
+                    return field.filter(":checked").val() || field.filter(":hidden").val() || '';
+                }
+                else if (field.is(":radio")) {
+                    return field.filter(":checked").val() || '';
+                }
+                return field.val();
+            };
+        });
+
+        setValidationValues(options, "remote", value);
+    });
+    adapters.add("password", ["min", "nonalphamin", "regex"], function (options) {
+        if (options.params.min) {
+            setValidationValues(options, "minlength", options.params.min);
+        }
+        if (options.params.nonalphamin) {
+            setValidationValues(options, "nonalphamin", options.params.nonalphamin);
+        }
+        if (options.params.regex) {
+            setValidationValues(options, "regex", options.params.regex);
+        }
+    });
+    adapters.add("fileextensions", ["extensions"], function (options) {
+        setValidationValues(options, "extension", options.params.extensions);
+    });
+
+    $(function () {
+        $jQval.unobtrusive.parse(document);
+    });
+
+    return $jQval.unobtrusive;
+}));

src/MultiShop/Server/wwwroot/lib/jquery-validation/LICENSE.md

@@ -0,0 +1,22 @@
+The MIT License (MIT)
+=====================
+
+Copyright Jörn Zaefferer
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

src/MultiShop/Server/wwwroot/lib/jquery/LICENSE.txt

@@ -0,0 +1,36 @@
+Copyright JS Foundation and other contributors, https://js.foundation/
+
+This software consists of voluntary contributions made by many
+individuals. For exact contribution history, see the revision history
+available at https://github.com/jquery/jquery
+
+The following license applies to all parts of this software except as
+documented below:
+
+====
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+====
+
+All files located in the node_modules and external directories are
+externally maintained libraries used by this software which have their
+own licenses; we recommend you read them, as their terms may differ from
+the terms above.