Adding 2FA Authenticator Support (#66)

* Adding support for 2fa, more auth options

* WIP getting auth stuff working

* Added Manage views. 2FA working now for MVC app.

* Switching to using a controller for no-UI logout scenario

* Adding Razor Pages impl of 2FA auth stuff. Works.

src/ApplicationCore/Interfaces/IEmailSender.cs

@@ -0,0 +1,10 @@
+using System.Threading.Tasks;
+
+namespace ApplicationCore.Interfaces
+{
+
+    public interface IEmailSender
+    {
+        Task SendEmailAsync(string email, string subject, string message);
+    }
+}

src/Infrastructure/Identity/ApplicationUser.cs

@@ -1,6 +1,5 @@
 using Microsoft.AspNetCore.Identity;
 
-
 namespace Infrastructure.Identity
 {
     public class ApplicationUser : IdentityUser

src/Infrastructure/Infrastructure.csproj

@@ -21,7 +21,6 @@
   </ItemGroup>
   <ItemGroup>
     <Folder Include="Data\Migrations\" />
-    <Folder Include="Services\" />
   </ItemGroup>
 
 </Project>

src/Infrastructure/Services/EmailSender.cs

@@ -0,0 +1,16 @@
+using ApplicationCore.Interfaces;
+using System.Threading.Tasks;
+
+namespace Infrastructure.Services
+{
+    // This class is used by the application to send email for account confirmation and password reset.
+    // For more details see https://go.microsoft.com/fwlink/?LinkID=532713
+    public class EmailSender : IEmailSender
+    {
+        public Task SendEmailAsync(string email, string subject, string message)
+        {
+            // TODO: Wire this up to actual email sending logic via SendGrid, local SMTP, etc.
+            return Task.CompletedTask;
+        }
+    }
+}

src/Web/Controllers/AccountController.cs

@@ -1,15 +1,17 @@
-using Microsoft.eShopWeb.ViewModels;
-using Microsoft.AspNetCore.Mvc;
-using System.Threading.Tasks;
+using ApplicationCore.Interfaces;
+using Infrastructure.Identity;
+using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Identity;
-using Infrastructure.Identity;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.eShopWeb.ViewModels.Account;
 using System;
-using Microsoft.AspNetCore.Authentication;
-using ApplicationCore.Interfaces;
+using System.Threading.Tasks;
+using Web.ViewModels.Account;
 
 namespace Microsoft.eShopWeb.Controllers
 {
+
     [Route("[controller]/[action]")]
     [Authorize]
     public class AccountController : Controller
@@ -17,15 +19,18 @@ namespace Microsoft.eShopWeb.Controllers
         private readonly UserManager<ApplicationUser> _userManager;
         private readonly SignInManager<ApplicationUser> _signInManager;
         private readonly IBasketService _basketService;
+        private readonly IAppLogger<AccountController> _logger;
 
         public AccountController(
             UserManager<ApplicationUser> userManager,
             SignInManager<ApplicationUser> signInManager,
-            IBasketService basketService)
+            IBasketService basketService,
+            IAppLogger<AccountController> logger)
         {
             _userManager = userManager;
             _signInManager = signInManager;
             _basketService = basketService;
+            _logger = logger;
         }
 
         // GET: /Account/SignIn 
@@ -58,6 +63,10 @@ namespace Microsoft.eShopWeb.Controllers
             ViewData["ReturnUrl"] = returnUrl;
 
             var result = await _signInManager.PasswordSignInAsync(model.Email, model.Password, model.RememberMe, lockoutOnFailure: false);
+            if (result.RequiresTwoFactor)
+            {
+                return RedirectToAction(nameof(LoginWith2fa), new { returnUrl, model.RememberMe });
+            }
             if (result.Succeeded)
             {
                 string anonymousBasketId = Request.Cookies[Constants.BASKET_COOKIENAME];
@@ -72,6 +81,70 @@ namespace Microsoft.eShopWeb.Controllers
             return View(model);
         }
 
+        [HttpGet]
+        [AllowAnonymous]
+        public async Task<IActionResult> LoginWith2fa(bool rememberMe, string returnUrl = null)
+        {
+            // Ensure the user has gone through the username & password screen first
+            var user = await _signInManager.GetTwoFactorAuthenticationUserAsync();
+
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load two-factor authentication user.");
+            }
+
+            var model = new LoginWith2faViewModel { RememberMe = rememberMe };
+            ViewData["ReturnUrl"] = returnUrl;
+
+            return View(model);
+        }
+
+        [HttpPost]
+        [AllowAnonymous]
+        [ValidateAntiForgeryToken]
+        public async Task<IActionResult> LoginWith2fa(LoginWith2faViewModel model, bool rememberMe, string returnUrl = null)
+        {
+            if (!ModelState.IsValid)
+            {
+                return View(model);
+            }
+
+            var user = await _signInManager.GetTwoFactorAuthenticationUserAsync();
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            var authenticatorCode = model.TwoFactorCode.Replace(" ", string.Empty).Replace("-", string.Empty);
+
+            var result = await _signInManager.TwoFactorAuthenticatorSignInAsync(authenticatorCode, rememberMe, model.RememberMachine);
+
+            if (result.Succeeded)
+            {
+                _logger.LogInformation("User with ID {UserId} logged in with 2fa.", user.Id);
+                return RedirectToLocal(returnUrl);
+            }
+            else if (result.IsLockedOut)
+            {
+                _logger.LogWarning("User with ID {UserId} account locked out.", user.Id);
+                return RedirectToAction(nameof(Lockout));
+            }
+            else
+            {
+                _logger.LogWarning("Invalid authenticator code entered for user with ID {UserId}.", user.Id);
+                ModelState.AddModelError(string.Empty, "Invalid authenticator code.");
+                return View();
+            }
+        }
+
+        [HttpGet]
+        [AllowAnonymous]
+        public IActionResult Lockout()
+        {
+            return View();
+        }
+
+
         [HttpPost]
         [ValidateAntiForgeryToken]
         public async Task<ActionResult> SignOut()
@@ -107,6 +180,35 @@ namespace Microsoft.eShopWeb.Controllers
             return View(model);
         }
 
+        [HttpGet]
+        [AllowAnonymous]
+        public async Task<IActionResult> ConfirmEmail(string userId, string code)
+        {
+            if (userId == null || code == null)
+            {
+                return RedirectToAction(nameof(CatalogController.Index), "Catalog");
+            }
+            var user = await _userManager.FindByIdAsync(userId);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{userId}'.");
+            }
+            var result = await _userManager.ConfirmEmailAsync(user, code);
+            return View(result.Succeeded ? "ConfirmEmail" : "Error");
+        }
+
+        [HttpGet]
+        [AllowAnonymous]
+        public IActionResult ResetPassword(string code = null)
+        {
+            if (code == null)
+            {
+                throw new ApplicationException("A code must be supplied for password reset.");
+            }
+            var model = new ResetPasswordViewModel { Code = code };
+            return View(model);
+        }
+
         private IActionResult RedirectToLocal(string returnUrl)
         {
             if (Url.IsLocalUrl(returnUrl))

src/Web/Controllers/ManageController.cs

@@ -0,0 +1,499 @@
+using ApplicationCore.Interfaces;
+using Infrastructure.Identity;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.eShopWeb.ViewModels.Manage;
+using Microsoft.eShopWeb.Services;
+using System;
+using System.Linq;
+using System.Text;
+using System.Text.Encodings.Web;
+using System.Threading.Tasks;
+
+namespace Microsoft.eShopWeb.Controllers
+{
+    [Authorize]
+    [Route("[controller]/[action]")]
+    public class ManageController : Controller
+    {
+        private readonly UserManager<ApplicationUser> _userManager;
+        private readonly SignInManager<ApplicationUser> _signInManager;
+        private readonly IEmailSender _emailSender;
+        private readonly IAppLogger<ManageController> _logger;
+        private readonly UrlEncoder _urlEncoder;
+
+        private const string AuthenicatorUriFormat = "otpauth://totp/{0}:{1}?secret={2}&issuer={0}&digits=6";
+
+        public ManageController(
+          UserManager<ApplicationUser> userManager,
+          SignInManager<ApplicationUser> signInManager,
+          IEmailSender emailSender,
+          IAppLogger<ManageController> logger,
+          UrlEncoder urlEncoder)
+        {
+            _userManager = userManager;
+            _signInManager = signInManager;
+            _emailSender = emailSender;
+            _logger = logger;
+            _urlEncoder = urlEncoder;
+        }
+
+        [TempData]
+        public string StatusMessage { get; set; }
+
+        [HttpGet]
+        public async Task<IActionResult> Index()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            var model = new IndexViewModel
+            {
+                Username = user.UserName,
+                Email = user.Email,
+                PhoneNumber = user.PhoneNumber,
+                IsEmailConfirmed = user.EmailConfirmed,
+                StatusMessage = StatusMessage
+            };
+
+            return View(model);
+        }
+
+        [HttpPost]
+        [ValidateAntiForgeryToken]
+        public async Task<IActionResult> Index(IndexViewModel model)
+        {
+            if (!ModelState.IsValid)
+            {
+                return View(model);
+            }
+
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            var email = user.Email;
+            if (model.Email != email)
+            {
+                var setEmailResult = await _userManager.SetEmailAsync(user, model.Email);
+                if (!setEmailResult.Succeeded)
+                {
+                    throw new ApplicationException($"Unexpected error occurred setting email for user with ID '{user.Id}'.");
+                }
+            }
+
+            var phoneNumber = user.PhoneNumber;
+            if (model.PhoneNumber != phoneNumber)
+            {
+                var setPhoneResult = await _userManager.SetPhoneNumberAsync(user, model.PhoneNumber);
+                if (!setPhoneResult.Succeeded)
+                {
+                    throw new ApplicationException($"Unexpected error occurred setting phone number for user with ID '{user.Id}'.");
+                }
+            }
+
+            StatusMessage = "Your profile has been updated";
+            return RedirectToAction(nameof(Index));
+        }
+
+        [HttpPost]
+        [ValidateAntiForgeryToken]
+        public async Task<IActionResult> SendVerificationEmail(IndexViewModel model)
+        {
+            if (!ModelState.IsValid)
+            {
+                return View(model);
+            }
+
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            var code = await _userManager.GenerateEmailConfirmationTokenAsync(user);
+            var callbackUrl = Url.EmailConfirmationLink(user.Id, code, Request.Scheme);
+            var email = user.Email;
+            await _emailSender.SendEmailConfirmationAsync(email, callbackUrl);
+
+            StatusMessage = "Verification email sent. Please check your email.";
+            return RedirectToAction(nameof(Index));
+        }
+
+        [HttpGet]
+        public async Task<IActionResult> ChangePassword()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            var hasPassword = await _userManager.HasPasswordAsync(user);
+            if (!hasPassword)
+            {
+                return RedirectToAction(nameof(SetPassword));
+            }
+
+            var model = new ChangePasswordViewModel { StatusMessage = StatusMessage };
+            return View(model);
+        }
+
+        [HttpPost]
+        [ValidateAntiForgeryToken]
+        public async Task<IActionResult> ChangePassword(ChangePasswordViewModel model)
+        {
+            if (!ModelState.IsValid)
+            {
+                return View(model);
+            }
+
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            var changePasswordResult = await _userManager.ChangePasswordAsync(user, model.OldPassword, model.NewPassword);
+            if (!changePasswordResult.Succeeded)
+            {
+                AddErrors(changePasswordResult);
+                return View(model);
+            }
+
+            await _signInManager.SignInAsync(user, isPersistent: false);
+            _logger.LogInformation("User changed their password successfully.");
+            StatusMessage = "Your password has been changed.";
+
+            return RedirectToAction(nameof(ChangePassword));
+        }
+
+        [HttpGet]
+        public async Task<IActionResult> SetPassword()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            var hasPassword = await _userManager.HasPasswordAsync(user);
+
+            if (hasPassword)
+            {
+                return RedirectToAction(nameof(ChangePassword));
+            }
+
+            var model = new SetPasswordViewModel { StatusMessage = StatusMessage };
+            return View(model);
+        }
+
+        [HttpPost]
+        [ValidateAntiForgeryToken]
+        public async Task<IActionResult> SetPassword(SetPasswordViewModel model)
+        {
+            if (!ModelState.IsValid)
+            {
+                return View(model);
+            }
+
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            var addPasswordResult = await _userManager.AddPasswordAsync(user, model.NewPassword);
+            if (!addPasswordResult.Succeeded)
+            {
+                AddErrors(addPasswordResult);
+                return View(model);
+            }
+
+            await _signInManager.SignInAsync(user, isPersistent: false);
+            StatusMessage = "Your password has been set.";
+
+            return RedirectToAction(nameof(SetPassword));
+        }
+
+        [HttpGet]
+        public async Task<IActionResult> ExternalLogins()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            var model = new ExternalLoginsViewModel { CurrentLogins = await _userManager.GetLoginsAsync(user) };
+            model.OtherLogins = (await _signInManager.GetExternalAuthenticationSchemesAsync())
+                .Where(auth => model.CurrentLogins.All(ul => auth.Name != ul.LoginProvider))
+                .ToList();
+            model.ShowRemoveButton = await _userManager.HasPasswordAsync(user) || model.CurrentLogins.Count > 1;
+            model.StatusMessage = StatusMessage;
+
+            return View(model);
+        }
+
+        [HttpPost]
+        [ValidateAntiForgeryToken]
+        public async Task<IActionResult> LinkLogin(string provider)
+        {
+            // Clear the existing external cookie to ensure a clean login process
+            await HttpContext.SignOutAsync(IdentityConstants.ExternalScheme);
+
+            // Request a redirect to the external login provider to link a login for the current user
+            var redirectUrl = Url.Action(nameof(LinkLoginCallback));
+            var properties = _signInManager.ConfigureExternalAuthenticationProperties(provider, redirectUrl, _userManager.GetUserId(User));
+            return new ChallengeResult(provider, properties);
+        }
+
+        [HttpGet]
+        public async Task<IActionResult> LinkLoginCallback()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            var info = await _signInManager.GetExternalLoginInfoAsync(user.Id);
+            if (info == null)
+            {
+                throw new ApplicationException($"Unexpected error occurred loading external login info for user with ID '{user.Id}'.");
+            }
+
+            var result = await _userManager.AddLoginAsync(user, info);
+            if (!result.Succeeded)
+            {
+                throw new ApplicationException($"Unexpected error occurred adding external login for user with ID '{user.Id}'.");
+            }
+
+            // Clear the existing external cookie to ensure a clean login process
+            await HttpContext.SignOutAsync(IdentityConstants.ExternalScheme);
+
+            StatusMessage = "The external login was added.";
+            return RedirectToAction(nameof(ExternalLogins));
+        }
+
+        [HttpPost]
+        [ValidateAntiForgeryToken]
+        public async Task<IActionResult> RemoveLogin(RemoveLoginViewModel model)
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            var result = await _userManager.RemoveLoginAsync(user, model.LoginProvider, model.ProviderKey);
+            if (!result.Succeeded)
+            {
+                throw new ApplicationException($"Unexpected error occurred removing external login for user with ID '{user.Id}'.");
+            }
+
+            await _signInManager.SignInAsync(user, isPersistent: false);
+            StatusMessage = "The external login was removed.";
+            return RedirectToAction(nameof(ExternalLogins));
+        }
+
+        [HttpGet]
+        public async Task<IActionResult> TwoFactorAuthentication()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            var model = new TwoFactorAuthenticationViewModel
+            {
+                HasAuthenticator = await _userManager.GetAuthenticatorKeyAsync(user) != null,
+                Is2faEnabled = user.TwoFactorEnabled,
+                RecoveryCodesLeft = await _userManager.CountRecoveryCodesAsync(user),
+            };
+
+            return View(model);
+        }
+
+        [HttpGet]
+        public async Task<IActionResult> Disable2faWarning()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            if (!user.TwoFactorEnabled)
+            {
+                throw new ApplicationException($"Unexpected error occured disabling 2FA for user with ID '{user.Id}'.");
+            }
+
+            return View(nameof(Disable2fa));
+        }
+
+        [HttpPost]
+        [ValidateAntiForgeryToken]
+        public async Task<IActionResult> Disable2fa()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            var disable2faResult = await _userManager.SetTwoFactorEnabledAsync(user, false);
+            if (!disable2faResult.Succeeded)
+            {
+                throw new ApplicationException($"Unexpected error occured disabling 2FA for user with ID '{user.Id}'.");
+            }
+
+            _logger.LogInformation("User with ID {UserId} has disabled 2fa.", user.Id);
+            return RedirectToAction(nameof(TwoFactorAuthentication));
+        }
+
+        [HttpGet]
+        public async Task<IActionResult> EnableAuthenticator()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            var unformattedKey = await _userManager.GetAuthenticatorKeyAsync(user);
+            if (string.IsNullOrEmpty(unformattedKey))
+            {
+                await _userManager.ResetAuthenticatorKeyAsync(user);
+                unformattedKey = await _userManager.GetAuthenticatorKeyAsync(user);
+            }
+
+            var model = new EnableAuthenticatorViewModel
+            {
+                SharedKey = FormatKey(unformattedKey),
+                AuthenticatorUri = GenerateQrCodeUri(user.Email, unformattedKey)
+            };
+
+            return View(model);
+        }
+
+        [HttpPost]
+        [ValidateAntiForgeryToken]
+        public async Task<IActionResult> EnableAuthenticator(EnableAuthenticatorViewModel model)
+        {
+            if (!ModelState.IsValid)
+            {
+                return View(model);
+            }
+
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            // Strip spaces and hypens
+            var verificationCode = model.Code.Replace(" ", string.Empty).Replace("-", string.Empty);
+
+            var is2faTokenValid = await _userManager.VerifyTwoFactorTokenAsync(
+                user, _userManager.Options.Tokens.AuthenticatorTokenProvider, verificationCode);
+
+            if (!is2faTokenValid)
+            {
+                ModelState.AddModelError("model.TwoFactorCode", "Verification code is invalid.");
+                return View(model);
+            }
+
+            await _userManager.SetTwoFactorEnabledAsync(user, true);
+            _logger.LogInformation("User with ID {UserId} has enabled 2FA with an authenticator app.", user.Id);
+            return RedirectToAction(nameof(GenerateRecoveryCodes));
+        }
+
+        [HttpGet]
+        public IActionResult ResetAuthenticatorWarning()
+        {
+            return View(nameof(ResetAuthenticator));
+        }
+
+        [HttpPost]
+        [ValidateAntiForgeryToken]
+        public async Task<IActionResult> ResetAuthenticator()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            await _userManager.SetTwoFactorEnabledAsync(user, false);
+            await _userManager.ResetAuthenticatorKeyAsync(user);
+            _logger.LogInformation("User with id '{UserId}' has reset their authentication app key.", user.Id);
+
+            return RedirectToAction(nameof(EnableAuthenticator));
+        }
+
+        [HttpGet]
+        public async Task<IActionResult> GenerateRecoveryCodes()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            if (!user.TwoFactorEnabled)
+            {
+                throw new ApplicationException($"Cannot generate recovery codes for user with ID '{user.Id}' as they do not have 2FA enabled.");
+            }
+
+            var recoveryCodes = await _userManager.GenerateNewTwoFactorRecoveryCodesAsync(user, 10);
+            var model = new GenerateRecoveryCodesViewModel { RecoveryCodes = recoveryCodes.ToArray() };
+
+            _logger.LogInformation("User with ID {UserId} has generated new 2FA recovery codes.", user.Id);
+
+            return View(model);
+        }
+
+        private void AddErrors(IdentityResult result)
+        {
+            foreach (var error in result.Errors)
+            {
+                ModelState.AddModelError(string.Empty, error.Description);
+            }
+        }
+
+        private string FormatKey(string unformattedKey)
+        {
+            var result = new StringBuilder();
+            int currentPosition = 0;
+            while (currentPosition + 4 < unformattedKey.Length)
+            {
+                result.Append(unformattedKey.Substring(currentPosition, 4)).Append(" ");
+                currentPosition += 4;
+            }
+            if (currentPosition < unformattedKey.Length)
+            {
+                result.Append(unformattedKey.Substring(currentPosition));
+            }
+
+            return result.ToString().ToLowerInvariant();
+        }
+
+        private string GenerateQrCodeUri(string email, string unformattedKey)
+        {
+            return string.Format(
+                AuthenicatorUriFormat,
+                _urlEncoder.Encode("eShopOnWeb"),
+                _urlEncoder.Encode(email),
+                unformattedKey);
+        }
+    }
+}

src/Web/Extensions/EmailSenderExtensions.cs

@@ -0,0 +1,15 @@
+using ApplicationCore.Interfaces;
+using System.Text.Encodings.Web;
+using System.Threading.Tasks;
+
+namespace Microsoft.eShopWeb.Services
+{
+    public static class EmailSenderExtensions
+    {
+        public static Task SendEmailConfirmationAsync(this IEmailSender emailSender, string email, string link)
+        {
+            return emailSender.SendEmailAsync(email, "Confirm your email",
+                $"Please confirm your account by clicking this link: <a href='{HtmlEncoder.Default.Encode(link)}'>link</a>");
+        }
+    }
+}

src/Web/Extensions/UrlHelperExtensions.cs

@@ -0,0 +1,25 @@
+using Microsoft.eShopWeb.Controllers;
+
+namespace Microsoft.AspNetCore.Mvc
+{
+    public static class UrlHelperExtensions
+    {
+        public static string EmailConfirmationLink(this IUrlHelper urlHelper, string userId, string code, string scheme)
+        {
+            return urlHelper.Action(
+                action: nameof(AccountController.ConfirmEmail),
+                controller: "Account",
+                values: new { userId, code },
+                protocol: scheme);
+        }
+
+        public static string ResetPasswordCallbackLink(this IUrlHelper urlHelper, string userId, string code, string scheme)
+        {
+            return urlHelper.Action(
+                action: nameof(AccountController.ResetPassword),
+                controller: "Account",
+                values: new { userId, code },
+                protocol: scheme);
+        }
+    }
+}

src/Web/Startup.cs

@@ -3,6 +3,7 @@ using ApplicationCore.Services;
 using Infrastructure.Data;
 using Infrastructure.Identity;
 using Infrastructure.Logging;
+using Infrastructure.Services;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.Http;
@@ -100,6 +101,7 @@ namespace Microsoft.eShopWeb
             services.AddSingleton<IUriComposer>(new UriComposer(Configuration.Get<CatalogSettings>()));
 
             services.AddScoped(typeof(IAppLogger<>), typeof(LoggerAdapter<>));
+            services.AddTransient<IEmailSender, EmailSender>();
 
             // Add memory cache services
             services.AddMemoryCache();

src/Web/ViewModels/Account/LoginViewModel.cs

@@ -1,6 +1,6 @@
 using System.ComponentModel.DataAnnotations;
 
-namespace Microsoft.eShopWeb.ViewModels
+namespace Microsoft.eShopWeb.ViewModels.Account
 {
     public class LoginViewModel
     {

src/Web/ViewModels/Account/LoginWith2faViewModel.cs

@@ -0,0 +1,18 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Microsoft.eShopWeb.ViewModels.Account
+{
+    public class LoginWith2faViewModel
+    {
+        [Required]
+        [StringLength(7, ErrorMessage = "The {0} must be at least {2} and at max {1} characters long.", MinimumLength = 6)]
+        [DataType(DataType.Text)]
+        [Display(Name = "Authenticator code")]
+        public string TwoFactorCode { get; set; }
+
+        [Display(Name = "Remember this machine")]
+        public bool RememberMachine { get; set; }
+
+        public bool RememberMe { get; set; }
+    }
+}

src/Web/ViewModels/Account/RegisterViewModel.cs

@@ -1,7 +1,7 @@
 using System;
 using System.ComponentModel.DataAnnotations;
 
-namespace Microsoft.eShopWeb.ViewModels
+namespace Microsoft.eShopWeb.ViewModels.Account
 {
     public class RegisterViewModel
     {

src/Web/ViewModels/Account/ResetPasswordViewModel.cs

@@ -0,0 +1,23 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Web.ViewModels.Account
+{
+    public class ResetPasswordViewModel
+    {
+        [Required]
+        [EmailAddress]
+        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)]
+        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 string Code { get; set; }
+    }
+}

src/Web/ViewModels/Manage/ChangePasswordViewModel.cs

@@ -0,0 +1,25 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Microsoft.eShopWeb.ViewModels.Manage
+{
+    public class ChangePasswordViewModel
+    {
+        [Required]
+        [DataType(DataType.Password)]
+        [Display(Name = "Current password")]
+        public string OldPassword { 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 = "New password")]
+        public string NewPassword { get; set; }
+
+        [DataType(DataType.Password)]
+        [Display(Name = "Confirm new password")]
+        [Compare("NewPassword", ErrorMessage = "The new password and confirmation password do not match.")]
+        public string ConfirmPassword { get; set; }
+
+        public string StatusMessage { get; set; }
+    }
+}

src/Web/ViewModels/Manage/EnableAuthenticatorViewModel.cs

@@ -0,0 +1,19 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+
+namespace Microsoft.eShopWeb.ViewModels.Manage
+{
+    public class EnableAuthenticatorViewModel
+    {
+        [Required]
+        [StringLength(7, ErrorMessage = "The {0} must be at least {2} and at max {1} characters long.", MinimumLength = 6)]
+        [DataType(DataType.Text)]
+        [Display(Name = "Verification Code")]
+        public string Code { get; set; }
+
+        [ReadOnly(true)]
+        public string SharedKey { get; set; }
+
+        public string AuthenticatorUri { get; set; }
+    }
+}

src/Web/ViewModels/Manage/ExternalLoginsViewModel.cs

@@ -0,0 +1,14 @@
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.Identity;
+using System.Collections.Generic;
+
+namespace Microsoft.eShopWeb.ViewModels.Manage
+{
+    public class ExternalLoginsViewModel
+    {
+        public IList<UserLoginInfo> CurrentLogins { get; set; }
+        public IList<AuthenticationScheme> OtherLogins { get; set; }
+        public bool ShowRemoveButton { get; set; }
+        public string StatusMessage { get; set; }
+    }
+}

src/Web/ViewModels/Manage/GenerateRecoveryCodesViewModel.cs

@@ -0,0 +1,7 @@
+namespace Microsoft.eShopWeb.ViewModels.Manage
+{
+    public class GenerateRecoveryCodesViewModel
+    {
+        public string[] RecoveryCodes { get; set; }
+    }
+}

src/Web/ViewModels/Manage/IndexViewModel.cs

@@ -0,0 +1,21 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Microsoft.eShopWeb.ViewModels.Manage
+{
+    public class IndexViewModel
+    {
+        public string Username { get; set; }
+
+        public bool IsEmailConfirmed { get; set; }
+
+        [Required]
+        [EmailAddress]
+        public string Email { get; set; }
+
+        [Phone]
+        [Display(Name = "Phone number")]
+        public string PhoneNumber { get; set; }
+
+        public string StatusMessage { get; set; }
+    }
+}

src/Web/ViewModels/Manage/RemoveLoginViewModel.cs

@@ -0,0 +1,8 @@
+namespace Microsoft.eShopWeb.ViewModels.Manage
+{
+    public class RemoveLoginViewModel
+    {
+        public string LoginProvider { get; set; }
+        public string ProviderKey { get; set; }
+    }
+}

src/Web/ViewModels/Manage/SetPasswordViewModel.cs

@@ -0,0 +1,20 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Microsoft.eShopWeb.ViewModels.Manage
+{
+    public class SetPasswordViewModel
+    {
+        [Required]
+        [StringLength(100, ErrorMessage = "The {0} must be at least {2} and at max {1} characters long.", MinimumLength = 6)]
+        [DataType(DataType.Password)]
+        [Display(Name = "New password")]
+        public string NewPassword { get; set; }
+
+        [DataType(DataType.Password)]
+        [Display(Name = "Confirm new password")]
+        [Compare("NewPassword", ErrorMessage = "The new password and confirmation password do not match.")]
+        public string ConfirmPassword { get; set; }
+
+        public string StatusMessage { get; set; }
+    }
+}

src/Web/ViewModels/Manage/TwoFactorAuthenticationViewModel.cs

@@ -0,0 +1,11 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Microsoft.eShopWeb.ViewModels.Manage
+{
+    public class TwoFactorAuthenticationViewModel
+    {
+        public bool HasAuthenticator { get; set; }
+        public int RecoveryCodesLeft { get; set; }
+        public bool Is2faEnabled { get; set; }
+    }
+}

src/Web/Views/Account/Lockout.cshtml

@@ -0,0 +1,8 @@
+@{
+    ViewData["Title"] = "Locked out";
+}
+
+<header>
+    <h2 class="text-danger">@ViewData["Title"]</h2>
+    <p class="text-danger">This account has been locked out, please try again later.</p>
+</header>

src/Web/Views/Account/LoginWith2fa.cshtml

@@ -0,0 +1,40 @@
+@model LoginWith2faViewModel
+@{
+    ViewData["Title"] = "Two-factor authentication";
+}
+
+<h2>@ViewData["Title"]</h2>
+<hr />
+<p>Your login is protected with an authenticator app. Enter your authenticator code below.</p>
+<div class="row">
+    <div class="col-md-4">
+        <form method="post" asp-route-returnUrl="@ViewData["ReturnUrl"]">
+            <input asp-for="RememberMe" type="hidden" />
+            <div asp-validation-summary="All" class="text-danger"></div>
+            <div class="form-group">
+                <label asp-for="TwoFactorCode"></label>
+                <input asp-for="TwoFactorCode" class="form-control" autocomplete="off" />
+                <span asp-validation-for="TwoFactorCode" class="text-danger"></span>
+            </div>
+            <div class="form-group">
+                <div class="checkbox">
+                    <label asp-for="RememberMachine">
+                        <input asp-for="RememberMachine" />
+                        @Html.DisplayNameFor(m => m.RememberMachine)
+                    </label>
+                </div>
+            </div>
+            <div class="form-group">
+                <button type="submit" class="btn btn-default">Log in</button>
+            </div>
+        </form>
+    </div>
+</div>
+<p>
+    Don't have access to your authenticator device? You can
+    <a asp-action="LoginWithRecoveryCode" asp-route-returnUrl="@ViewData["ReturnUrl"]">log in with a recovery code</a>.
+</p>
+
+@section Scripts {
+    @await Html.PartialAsync("_ValidationScriptsPartial")
+}

src/Web/Views/Account/Signin.cshtml

@@ -1,6 +1,4 @@
-@using System.Collections.Generic
-@using Microsoft.AspNetCore.Http
-@using Microsoft.AspNetCore.Http.Authentication
+@using Microsoft.eShopWeb.ViewModels.Account
 @model LoginViewModel
 @{
     ViewData["Title"] = "Log in";
@@ -15,7 +13,7 @@
         <div class="row">
             <div class="col-md-12">
                 <section>
-                    <form asp-controller="Account" asp-route-returnurl="@ViewData["ReturnUrl"]" method="post" class="form-horizontal">
+                    <form asp-controller="Account" asp-action="SignIn" asp-route-returnurl="@ViewData["ReturnUrl"]" method="post" class="form-horizontal">
                         <h4>ARE YOU REGISTERED?</h4>
                         <div asp-validation-summary="All" class="text-danger"></div>
                         <div class="form-group">

src/Web/Views/Manage/ChangePassword.cshtml

@@ -0,0 +1,35 @@
+@model ChangePasswordViewModel
+@{
+    ViewData["Title"] = "Change password";
+    ViewData.AddActivePage(ManageNavPages.ChangePassword);
+}
+
+<h4>@ViewData["Title"]</h4>
+@Html.Partial("_StatusMessage", Model.StatusMessage)
+<div class="row">
+    <div class="col-md-6">
+        <form method="post">
+            <div asp-validation-summary="All" class="text-danger"></div>
+            <div class="form-group">
+                <label asp-for="OldPassword"></label>
+                <input asp-for="OldPassword" class="form-control" />
+                <span asp-validation-for="OldPassword" class="text-danger"></span>
+            </div>
+            <div class="form-group">
+                <label asp-for="NewPassword"></label>
+                <input asp-for="NewPassword" class="form-control" />
+                <span asp-validation-for="NewPassword" class="text-danger"></span>
+            </div>
+            <div class="form-group">
+                <label asp-for="ConfirmPassword"></label>
+                <input asp-for="ConfirmPassword" class="form-control" />
+                <span asp-validation-for="ConfirmPassword" class="text-danger"></span>
+            </div>
+            <button type="submit" class="btn btn-default">Update password</button>
+        </form>
+    </div>
+</div>
+
+@section Scripts {
+    @await Html.PartialAsync("_ValidationScriptsPartial")
+}

src/Web/Views/Manage/Disable2fa.cshtml

@@ -0,0 +1,24 @@
+@{
+    ViewData["Title"] = "Disable two-factor authentication (2FA)";
+    ViewData.AddActivePage(ManageNavPages.TwoFactorAuthentication);
+}
+
+<h2>@ViewData["Title"]</h2>
+
+<div class="alert alert-warning" role="alert">
+    <p>
+        <span class="glyphicon glyphicon-warning-sign"></span>
+        <strong>This action only disables 2FA.</strong>
+    </p>
+    <p>
+        Disabling 2FA does not change the keys used in authenticator apps. If you wish to change the key
+        used in an authenticator app you should <a asp-action="ResetAuthenticatorWarning">reset your
+        authenticator keys.</a>
+    </p>
+</div>
+
+<div>
+    <form asp-action="Disable2fa" method="post" class="form-group">
+        <button class="btn btn-danger" type="submit">Disable 2FA</button>
+    </form>
+</div>

src/Web/Views/Manage/EnableAuthenticator.cshtml

@@ -0,0 +1,52 @@
+@model EnableAuthenticatorViewModel
+@{
+    ViewData["Title"] = "Enable authenticator";
+    ViewData.AddActivePage(ManageNavPages.TwoFactorAuthentication);
+}
+
+<h4>@ViewData["Title"]</h4>
+<div>
+    <p>To use an authenticator app go through the following steps:</p>
+    <ol class="list">
+        <li>
+            <p>
+                Download a two-factor authenticator app like Microsoft Authenticator for
+                <a href="https://go.microsoft.com/fwlink/?Linkid=825071">Windows Phone</a>,
+                <a href="https://go.microsoft.com/fwlink/?Linkid=825072">Android</a> and
+                <a href="https://go.microsoft.com/fwlink/?Linkid=825073">iOS</a> or
+                Google Authenticator for
+                <a href="https://play.google.com/store/apps/details?id=com.google.android.apps.authenticator2&amp;hl=en">Android</a> and
+                <a href="https://itunes.apple.com/us/app/google-authenticator/id388497605?mt=8">iOS</a>.
+            </p>
+        </li>
+        <li>
+            <p>Scan the QR Code or enter this key <kbd>@Model.SharedKey</kbd> into your two factor authenticator app. Spaces and casing do not matter.</p>
+            <div class="alert alert-info">To enable QR code generation please read our <a href="https://go.microsoft.com/fwlink/?Linkid=852423">documentation</a>.</div>
+            <div id="qrCode"></div>
+            <div id="qrCodeData" data-url="@Html.Raw(Model.AuthenticatorUri)"></div>
+        </li>
+        <li>
+            <p>
+                Once you have scanned the QR code or input the key above, your two factor authentication app will provide you
+                with a unique code. Enter the code in the confirmation box below.
+            </p>
+            <div class="row">
+                <div class="col-md-6">
+                    <form method="post">
+                        <div class="form-group">
+                            <label asp-for="Code" class="control-label">Verification Code</label>
+                            <input asp-for="Code" class="form-control" autocomplete="off" />
+                            <span asp-validation-for="Code" class="text-danger"></span>
+                        </div>
+                        <button type="submit" class="btn btn-default">Verify</button>
+                        <div asp-validation-summary="ModelOnly" class="text-danger"></div>
+                    </form>
+                </div>
+            </div>
+        </li>
+    </ol>
+</div>
+
+@section Scripts {
+    @await Html.PartialAsync("_ValidationScriptsPartial")
+}

src/Web/Views/Manage/ExternalLogins.cshtml

@@ -0,0 +1,52 @@
+@model ExternalLoginsViewModel
+@{
+    ViewData["Title"] = "Manage your external logins";
+    ViewData.AddActivePage(ManageNavPages.ExternalLogins);
+}
+
+@Html.Partial("_StatusMessage", Model.StatusMessage)
+@if (Model.CurrentLogins?.Count > 0)
+{
+    <h4>Registered Logins</h4>
+    <table class="table">
+        <tbody>
+            @foreach (var login in Model.CurrentLogins)
+            {
+                <tr>
+                    <td>@login.LoginProvider</td>
+                    <td>
+                        @if (Model.ShowRemoveButton)
+                        {
+                            <form asp-action="RemoveLogin" method="post">
+                                <div>
+                                    <input asp-for="@login.LoginProvider" name="LoginProvider" type="hidden" />
+                                    <input asp-for="@login.ProviderKey" name="ProviderKey" type="hidden" />
+                                    <button type="submit" class="btn btn-default" title="Remove this @login.LoginProvider login from your account">Remove</button>
+                                </div>
+                            </form>
+                        }
+                        else
+                        {
+                            @: &nbsp;
+                        }
+                    </td>
+                </tr>
+            }
+        </tbody>
+    </table>
+}
+@if (Model.OtherLogins?.Count > 0)
+{
+    <h4>Add another service to log in.</h4>
+    <hr />
+    <form asp-action="LinkLogin" method="post" class="form-horizontal">
+        <div id="socialLoginList">
+            <p>
+                @foreach (var provider in Model.OtherLogins)
+                {
+                    <button type="submit" class="btn btn-default" name="provider" value="@provider.Name" title="Log in using your @provider.DisplayName account">@provider.DisplayName</button>
+                }
+            </p>
+        </div>
+    </form>
+}

src/Web/Views/Manage/GenerateRecoveryCodes.cshtml

@@ -0,0 +1,24 @@
+@model GenerateRecoveryCodesViewModel
+@{
+    ViewData["Title"] = "Recovery codes";
+    ViewData.AddActivePage(ManageNavPages.TwoFactorAuthentication);
+}
+
+<h4>@ViewData["Title"]</h4>
+<div class="alert alert-warning" role="alert">
+    <p>
+        <span class="glyphicon glyphicon-warning-sign"></span>
+        <strong>Put these codes in a safe place.</strong>
+    </p>
+    <p>
+        If you lose your device and don't have the recovery codes you will lose access to your account.
+    </p>
+</div>
+<div class="row">
+    <div class="col-md-12">
+        @for (var row = 0; row < Model.RecoveryCodes.Count(); row += 2)
+        {
+            <code>@Model.RecoveryCodes[row]</code><text>&nbsp;</text><code>@Model.RecoveryCodes[row + 1]</code><br />
+        }
+    </div>
+</div>

src/Web/Views/Manage/Index.cshtml

@@ -0,0 +1,45 @@
+@model IndexViewModel
+@{
+    ViewData["Title"] = "Profile";
+    ViewData.AddActivePage(ManageNavPages.Index);
+}
+
+<h4>@ViewData["Title"]</h4>
+@Html.Partial("_StatusMessage", Model.StatusMessage)
+<div class="row">
+    <div class="col-md-6">
+        <form method="post">
+            <div asp-validation-summary="All" class="text-danger"></div>
+            <div class="form-group">
+                <label asp-for="Username"></label>
+                <input asp-for="Username" class="form-control" disabled />
+            </div>
+            <div class="form-group">
+                <label asp-for="Email"></label>
+                @if (Model.IsEmailConfirmed)
+                {
+                    <div class="input-group">
+                        <input asp-for="Email" class="form-control" />
+                        <span class="input-group-addon" aria-hidden="true"><span class="glyphicon glyphicon-ok text-success"></span></span>
+                    </div>
+                }
+                else
+                {
+                    <input asp-for="Email" class="form-control" />
+                    <button asp-action="SendVerificationEmail" class="btn btn-link">Send verification email</button>
+                }
+                <span asp-validation-for="Email" class="text-danger"></span>
+            </div>
+            <div class="form-group">
+                <label asp-for="PhoneNumber"></label>
+                <input asp-for="PhoneNumber" class="form-control" />
+                <span asp-validation-for="PhoneNumber" class="text-danger"></span>
+            </div>
+            <button type="submit" class="btn btn-default">Save</button>
+        </form>
+    </div>
+</div>
+
+@section Scripts {
+    @await Html.PartialAsync("_ValidationScriptsPartial")
+}

src/Web/Views/Manage/ManageNavPages.cs

@@ -0,0 +1,35 @@
+using System;
+using Microsoft.AspNetCore.Mvc.Rendering;
+using Microsoft.AspNetCore.Mvc.ViewFeatures;
+
+namespace Microsoft.eShopWeb.Views.Manage
+{
+    public static class ManageNavPages
+    {
+        public static string ActivePageKey => "ActivePage";
+
+        public static string Index => "Index";
+
+        public static string ChangePassword => "ChangePassword";
+
+        public static string ExternalLogins => "ExternalLogins";
+
+        public static string TwoFactorAuthentication => "TwoFactorAuthentication";
+
+        public static string IndexNavClass(ViewContext viewContext) => PageNavClass(viewContext, Index);
+
+        public static string ChangePasswordNavClass(ViewContext viewContext) => PageNavClass(viewContext, ChangePassword);
+
+        public static string ExternalLoginsNavClass(ViewContext viewContext) => PageNavClass(viewContext, ExternalLogins);
+
+        public static string TwoFactorAuthenticationNavClass(ViewContext viewContext) => PageNavClass(viewContext, TwoFactorAuthentication);
+    
+        public static string PageNavClass(ViewContext viewContext, string page)
+        {
+            var activePage = viewContext.ViewData["ActivePage"] as string;
+            return string.Equals(activePage, page, StringComparison.OrdinalIgnoreCase) ? "active" : null;
+        }
+
+        public static void AddActivePage(this ViewDataDictionary viewData, string activePage) => viewData[ActivePageKey] = activePage;
+    }
+}

src/Web/Views/Manage/ResetAuthenticator.cshtml

@@ -0,0 +1,21 @@
+@{
+    ViewData["Title"] = "Reset authenticator key";
+    ViewData.AddActivePage(ManageNavPages.TwoFactorAuthentication);
+}
+
+<h4>@ViewData["Title"]</h4>
+<div class="alert alert-warning" role="alert">
+    <p>
+        <span class="glyphicon glyphicon-warning-sign"></span>
+        <strong>If you reset your authenticator key your authenticator app will not work until you reconfigure it.</strong>
+    </p>
+    <p>
+        This process disables 2FA until you verify your authenticator app and will also reset your 2FA recovery codes.
+        If you do not complete your authenticator app configuration you may lose access to your account.
+    </p>
+</div>
+<div>
+    <form asp-action="ResetAuthenticator" method="post" class="form-group">
+        <button class="btn btn-danger" type="submit">Reset authenticator key</button>
+    </form>
+</div>

src/Web/Views/Manage/SetPassword.cshtml

@@ -0,0 +1,34 @@
+@model SetPasswordViewModel
+@{
+    ViewData["Title"] = "Set password";
+    ViewData.AddActivePage(ManageNavPages.ChangePassword);
+}
+
+<h4>Set your password</h4>
+@Html.Partial("_StatusMessage", Model.StatusMessage)
+<p class="text-info">
+    You do not have a local username/password for this site. Add a local
+    account so you can log in without an external login.
+</p>
+<div class="row">
+    <div class="col-md-6">
+        <form method="post">
+            <div asp-validation-summary="All" class="text-danger"></div>
+            <div class="form-group">
+                <label asp-for="NewPassword"></label>
+                <input asp-for="NewPassword" class="form-control" />
+                <span asp-validation-for="NewPassword" class="text-danger"></span>
+            </div>
+            <div class="form-group">
+                <label asp-for="ConfirmPassword"></label>
+                <input asp-for="ConfirmPassword" class="form-control" />
+                <span asp-validation-for="ConfirmPassword" class="text-danger"></span>
+            </div>
+            <button type="submit" class="btn btn-default">Set password</button>
+        </form>
+    </div>
+</div>
+
+@section Scripts {
+    @await Html.PartialAsync("_ValidationScriptsPartial")
+}

src/Web/Views/Manage/TwoFactorAuthentication.cshtml

@@ -0,0 +1,49 @@
+@model TwoFactorAuthenticationViewModel
+@{
+    ViewData["Title"] = "Two-factor authentication";
+    ViewData.AddActivePage(ManageNavPages.TwoFactorAuthentication);
+}
+
+<h4>@ViewData["Title"]</h4>
+@if (Model.Is2faEnabled)
+{
+    if (Model.RecoveryCodesLeft == 0)
+    {
+        <div class="alert alert-danger">
+            <strong>You have no recovery codes left.</strong>
+            <p>You must <a asp-action="GenerateRecoveryCodes">generate a new set of recovery codes</a> before you can log in with a recovery code.</p>
+        </div>
+    }
+    else if (Model.RecoveryCodesLeft == 1)
+    {
+        <div class="alert alert-danger">
+            <strong>You have 1 recovery code left.</strong>
+            <p>You can <a asp-action="GenerateRecoveryCodes">generate a new set of recovery codes</a>.</p>
+        </div>
+    }
+    else if (Model.RecoveryCodesLeft <= 3)
+    {
+        <div class="alert alert-warning">
+            <strong>You have @Model.RecoveryCodesLeft recovery codes left.</strong>
+            <p>You should <a asp-action="GenerateRecoveryCodes">generate a new set of recovery codes</a>.</p>
+        </div>
+    }
+
+    <a asp-action="Disable2faWarning" class="btn btn-default">Disable 2FA</a>
+    <a asp-action="GenerateRecoveryCodes" class="btn btn-default">Reset recovery codes</a>
+}
+
+<h5>Authenticator app</h5>
+@if (!Model.HasAuthenticator)
+{
+    <a asp-action="EnableAuthenticator" class="btn btn-default">Add authenticator app</a>
+}
+else
+{
+    <a asp-action="EnableAuthenticator" class="btn btn-default">Configure authenticator app</a>
+    <a asp-action="ResetAuthenticatorWarning" class="btn btn-default">Reset authenticator key</a>
+}
+
+@section Scripts {
+    @await Html.PartialAsync("_ValidationScriptsPartial")
+}

src/Web/Views/Manage/_Layout.cshtml

@@ -0,0 +1,23 @@
+@{ 
+    Layout = "/Views/Shared/_Layout.cshtml";
+}
+
+<h2>Manage your account</h2>
+
+<div>
+    <h4>Change your account settings</h4>
+    <hr />
+    <div class="row">
+        <div class="col-md-3">
+            @await Html.PartialAsync("_ManageNav")
+        </div>
+        <div class="col-md-9">
+            @RenderBody()
+        </div>
+    </div>
+</div>
+
+@section Scripts {
+    @RenderSection("Scripts", required: false)
+}
+        

src/Web/Views/Manage/_ManageNav.cshtml

@@ -0,0 +1,15 @@
+@inject SignInManager<ApplicationUser> SignInManager
+@{
+    var hasExternalLogins = (await SignInManager.GetExternalAuthenticationSchemesAsync()).Any();
+}
+
+<ul class="nav nav-pills nav-stacked">
+    <li class="@ManageNavPages.IndexNavClass(ViewContext)"><a asp-action="Index">Profile</a></li>
+    <li class="@ManageNavPages.ChangePasswordNavClass(ViewContext)"><a asp-action="ChangePassword">Password</a></li>
+    @if (hasExternalLogins)
+    {
+        <li class="@ManageNavPages.ExternalLoginsNavClass(ViewContext)"><a asp-action="ExternalLogins">External logins</a></li>
+    }
+    <li class="@ManageNavPages.TwoFactorAuthenticationNavClass(ViewContext)"><a asp-action="TwoFactorAuthentication">Two-factor authentication</a></li>
+</ul>
+

src/Web/Views/Manage/_StatusMessage.cshtml

@@ -0,0 +1,10 @@
+@model string
+
+@if (!String.IsNullOrEmpty(Model))
+{
+    var statusMessageClass = Model.StartsWith("Error") ? "danger" : "success";
+    <div class="alert alert-@statusMessageClass alert-dismissible" role="alert">
+        <button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">&times;</span></button>
+        @Model
+    </div>
+}

src/Web/Views/Manage/_ViewImports.cshtml

@@ -0,0 +1 @@
+@using Microsoft.eShopWeb.Views.Manage

src/Web/Views/Shared/_LoginPartial.cshtml

@@ -21,6 +21,14 @@
                             <img class="esh-identity-image" src="~/images/my_orders.png">
                         </a>
 
+                        <a class="esh-identity-item"
+                           asp-controller="Manage"
+                           asp-action="Index">
+
+                            <div class="esh-identity-name esh-identity-name--upper">My account</div>
+                            <img class="esh-identity-image" src="~/images/my_orders.png">
+                        </a>
+
                         <a class="esh-identity-item"
                            href="javascript:document.getElementById('logoutForm').submit()">
 

src/Web/Views/_ViewImports.cshtml

@@ -1,3 +1,7 @@
 @using Microsoft.eShopWeb
 @using Microsoft.eShopWeb.ViewModels
+@using Microsoft.eShopWeb.ViewModels.Account
+@using Microsoft.eShopWeb.ViewModels.Manage
+@using Microsoft.AspNetCore.Identity
+@using Infrastructure.Identity
 @addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers

src/WebRazorPages/Controllers/AccountController.cs

@@ -0,0 +1,31 @@
+using ApplicationCore.Interfaces;
+using Infrastructure.Identity;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+using System.Threading.Tasks;
+
+namespace Microsoft.eShopWeb.RazorPages.Controllers
+{
+    [Route("[controller]/[action]")]
+    public class AccountController : Controller
+    {
+        private readonly SignInManager<ApplicationUser> _signInManager;
+        private readonly IAppLogger<AccountController> _logger;
+
+        public AccountController(SignInManager<ApplicationUser> signInManager, 
+            IAppLogger<AccountController> logger)
+        {
+            _signInManager = signInManager;
+            _logger = logger;
+        }
+
+        [HttpPost]
+        [ValidateAntiForgeryToken]
+        public async Task<IActionResult> Logout()
+        {
+            await _signInManager.SignOutAsync();
+            _logger.LogInformation("User logged out.");
+            return RedirectToPage("/Index");
+        }
+    }
+}

src/WebRazorPages/Extensions/EmailSenderExtensions.cs

@@ -0,0 +1,22 @@
+using ApplicationCore.Interfaces;
+using System.Text.Encodings.Web;
+using System.Threading.Tasks;
+
+namespace Microsoft.AspNetCore.Mvc
+{
+    public static class EmailSenderExtensions
+    {
+        public static Task SendEmailConfirmationAsync(this IEmailSender emailSender, string email, string link)
+        {
+            return emailSender.SendEmailAsync(email, "Confirm your email",
+                $"Please confirm your account by <a href='{HtmlEncoder.Default.Encode(link)}'>clicking here</a>.");
+        }
+
+        public static Task SendResetPasswordAsync(this IEmailSender emailSender, string email, string callbackUrl)
+        {
+            return emailSender.SendEmailAsync(email, "Reset Password",
+                $"Please reset your password by <a href='{HtmlEncoder.Default.Encode(callbackUrl)}'>clicking here</a>.");
+        }
+    }
+
+}

src/WebRazorPages/Extensions/UrlHelperExtensions.cs

@@ -0,0 +1,33 @@
+namespace Microsoft.AspNetCore.Mvc
+{
+    public static class UrlHelperExtensions
+    {
+        public static string GetLocalUrl(this IUrlHelper urlHelper, string localUrl)
+        {
+            if (!urlHelper.IsLocalUrl(localUrl))
+            {
+                return urlHelper.Page("/Index");
+            }
+
+            return localUrl;
+        }
+
+        public static string EmailConfirmationLink(this IUrlHelper urlHelper, string userId, string code, string scheme)
+        {
+            return urlHelper.Page(
+                "/Account/ConfirmEmail",
+                pageHandler: null,
+                values: new { userId, code },
+                protocol: scheme);
+        }
+
+        public static string ResetPasswordCallbackLink(this IUrlHelper urlHelper, string userId, string code, string scheme)
+        {
+            return urlHelper.Page(
+                "/Account/ResetPassword",
+                pageHandler: null,
+                values: new { userId, code },
+                protocol: scheme);
+        }
+    }
+}

src/WebRazorPages/Pages/Account/LoginWith2fa.cshtml

@@ -0,0 +1,41 @@
+@page
+@model LoginWith2faModel
+@{
+    ViewData["Title"] = "Two-factor authentication";
+}
+
+<h2>@ViewData["Title"]</h2>
+<hr />
+<p>Your login is protected with an authenticator app. Enter your authenticator code below.</p>
+<div class="row">
+    <div class="col-md-4">
+        <form method="post" asp-route-returnUrl="@Model.ReturnUrl">
+            <input asp-for="RememberMe" type="hidden" />
+            <div asp-validation-summary="All" class="text-danger"></div>
+            <div class="form-group">
+                <label asp-for="Input.TwoFactorCode"></label>
+                <input asp-for="Input.TwoFactorCode" class="form-control" autocomplete="off" />
+                <span asp-validation-for="Input.TwoFactorCode" class="text-danger"></span>
+            </div>
+            <div class="form-group">
+                <div class="checkbox">
+                    <label asp-for="Input.RememberMachine">
+                        <input asp-for="Input.RememberMachine" />
+                        @Html.DisplayNameFor(m => m.Input.RememberMachine)
+                    </label>
+                </div>
+            </div>
+            <div class="form-group">
+                <button type="submit" class="btn btn-default">Log in</button>
+            </div>
+        </form>
+    </div>
+</div>
+<p>
+    Don't have access to your authenticator device? You can 
+    <a asp-page="./LoginWithRecoveryCode" asp-route-returnUrl="@Model.ReturnUrl">log in with a recovery code</a>.
+</p>
+
+@section Scripts {
+    @await Html.PartialAsync("_ValidationScriptsPartial")
+}

src/WebRazorPages/Pages/Account/LoginWith2fa.cshtml.cs

@@ -0,0 +1,94 @@
+using ApplicationCore.Interfaces;
+using Infrastructure.Identity;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.Threading.Tasks;
+
+namespace Microsoft.eShopWeb.RazorPages.Pages.Account
+{
+    public class LoginWith2faModel : PageModel
+    {
+        private readonly SignInManager<ApplicationUser> _signInManager;
+        private readonly IAppLogger<LoginWith2faModel> _logger;
+
+        public LoginWith2faModel(SignInManager<ApplicationUser> signInManager, 
+            IAppLogger<LoginWith2faModel> logger)
+        {
+            _signInManager = signInManager;
+            _logger = logger;
+        }
+
+        [BindProperty]
+        public InputModel Input { get; set; }
+
+        public bool RememberMe { get; set; }
+
+        public string ReturnUrl { get; set; }
+
+        public class InputModel
+        {
+            [Required]
+            [StringLength(7, ErrorMessage = "The {0} must be at least {2} and at max {1} characters long.", MinimumLength = 6)]
+            [DataType(DataType.Text)]
+            [Display(Name = "Authenticator code")]
+            public string TwoFactorCode { get; set; }
+
+            [Display(Name = "Remember this machine")]
+            public bool RememberMachine { get; set; }
+        }
+
+        public async Task<IActionResult> OnGetAsync(bool rememberMe, string returnUrl = null)
+        {
+            // Ensure the user has gone through the username & password screen first
+            var user = await _signInManager.GetTwoFactorAuthenticationUserAsync();
+
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load two-factor authentication user.");
+            }
+
+            ReturnUrl = returnUrl;
+            RememberMe = rememberMe;
+
+            return Page();
+        }
+
+        public async Task<IActionResult> OnPostAsync(bool rememberMe, string returnUrl = null)
+        {
+            if (!ModelState.IsValid)
+            {
+                return Page();
+            }
+
+            var user = await _signInManager.GetTwoFactorAuthenticationUserAsync();
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load two-factor authentication user.");
+            }
+
+            var authenticatorCode = Input.TwoFactorCode.Replace(" ", string.Empty).Replace("-", string.Empty);
+
+            var result = await _signInManager.TwoFactorAuthenticatorSignInAsync(authenticatorCode, rememberMe, Input.RememberMachine);
+
+            if (result.Succeeded)
+            {
+                _logger.LogInformation("User with ID '{UserId}' logged in with 2fa.", user.Id);
+                return LocalRedirect(Url.GetLocalUrl(returnUrl));
+            }
+            else if (result.IsLockedOut)
+            {
+                _logger.LogWarning("User with ID '{UserId}' account locked out.", user.Id);
+                return RedirectToPage("./Lockout");
+            }
+            else
+            {
+                _logger.LogWarning("Invalid authenticator code entered for user with ID '{UserId}'.", user.Id);
+                ModelState.AddModelError(string.Empty, "Invalid authenticator code.");
+                return Page();
+            }
+        }  
+    }
+}

src/WebRazorPages/Pages/Account/LoginWithRecoveryCode.cshtml

@@ -0,0 +1,29 @@
+@page
+@model LoginWithRecoveryCodeModel
+@{
+    ViewData["Title"] = "Recovery code verification";
+}
+
+<h2>@ViewData["Title"]</h2>
+<hr />
+<p>
+    You have requested to log in with a recovery code. This login will not be remembered until you provide
+    an authenticator app code at log in or disable 2FA and log in again.
+</p>
+<div class="row">
+    <div class="col-md-4">
+        <form method="post">
+            <div asp-validation-summary="All" class="text-danger"></div>
+            <div class="form-group">
+                <label asp-for="Input.RecoveryCode"></label>
+                <input asp-for="Input.RecoveryCode" class="form-control" autocomplete="off" />
+                <span asp-validation-for="Input.RecoveryCode" class="text-danger"></span>
+            </div>
+            <button type="submit" class="btn btn-default">Log in</button>
+        </form>
+    </div>
+</div>
+ 
+ @section Scripts {
+    @await Html.PartialAsync("_ValidationScriptsPartial")
+}

src/WebRazorPages/Pages/Account/LoginWithRecoveryCode.cshtml.cs

@@ -0,0 +1,87 @@
+using ApplicationCore.Interfaces;
+using Infrastructure.Identity;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.Threading.Tasks;
+
+namespace Microsoft.eShopWeb.RazorPages.Pages.Account.Manage
+{
+    public class LoginWithRecoveryCodeModel : PageModel
+    {
+        private readonly SignInManager<ApplicationUser> _signInManager;
+        private readonly IAppLogger<LoginWithRecoveryCodeModel> _logger;
+
+        public LoginWithRecoveryCodeModel(SignInManager<ApplicationUser> signInManager, 
+            IAppLogger<LoginWithRecoveryCodeModel> logger)
+        {
+            _signInManager = signInManager;
+            _logger = logger;
+        }
+
+        [BindProperty]
+        public InputModel Input { get; set; }
+
+        public string ReturnUrl { get; set; }
+
+        public class InputModel
+        {
+            [BindProperty]
+            [Required]
+            [DataType(DataType.Text)]
+            [Display(Name = "Recovery Code")]
+            public string RecoveryCode { get; set; }
+        }
+
+        public async Task<IActionResult> OnGetAsync(string returnUrl = null)
+        {
+            // Ensure the user has gone through the username & password screen first
+            var user = await _signInManager.GetTwoFactorAuthenticationUserAsync();
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load two-factor authentication user.");
+            }
+
+            ReturnUrl = returnUrl;
+
+            return Page();
+        }
+
+        public async Task<IActionResult> OnPostAsync(string returnUrl = null)
+        {
+            if (!ModelState.IsValid)
+            {
+                return Page();
+            }
+
+            var user = await _signInManager.GetTwoFactorAuthenticationUserAsync();
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load two-factor authentication user.");
+            }
+
+            var recoveryCode = Input.RecoveryCode.Replace(" ", string.Empty);
+
+            var result = await _signInManager.TwoFactorRecoveryCodeSignInAsync(recoveryCode);
+                
+            if (result.Succeeded)
+            {
+                _logger.LogInformation("User with ID '{UserId}' logged in with a recovery code.", user.Id);
+                return LocalRedirect(Url.GetLocalUrl(returnUrl));
+            }
+            if (result.IsLockedOut)
+            {
+                _logger.LogWarning("User with ID '{UserId}' account locked out.", user.Id);
+                return RedirectToPage("./Lockout");
+            }
+            else
+            {
+                _logger.LogWarning("Invalid recovery code entered for user with ID '{UserId}' ", user.Id);
+                ModelState.AddModelError(string.Empty, "Invalid recovery code entered.");
+                return Page();
+            }
+        }
+    }
+}

src/WebRazorPages/Pages/Account/Manage/ChangePassword.cshtml

@@ -0,0 +1,35 @@
+@page
+@model ChangePasswordModel
+@{
+    ViewData["Title"] = "Change password";
+}
+
+<h4>@ViewData["Title"]</h4>
+@Html.Partial("_StatusMessage", Model.StatusMessage)
+<div class="row">
+    <div class="col-md-6">
+        <form method="post">
+            <div asp-validation-summary="All" class="text-danger"></div>
+            <div class="form-group">
+                <label asp-for="Input.OldPassword"></label>
+                <input asp-for="Input.OldPassword" class="form-control" />
+                <span asp-validation-for="Input.OldPassword" class="text-danger"></span>
+            </div>
+            <div class="form-group">
+                <label asp-for="Input.NewPassword"></label>
+                <input asp-for="Input.NewPassword" class="form-control" />
+                <span asp-validation-for="Input.NewPassword" 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-default">Update password</button>
+        </form>
+    </div>
+</div>
+
+@section Scripts {
+    @await  Html.PartialAsync("_ValidationScriptsPartial")    
+}

src/WebRazorPages/Pages/Account/Manage/ChangePassword.cshtml.cs

@@ -0,0 +1,100 @@
+using Infrastructure.Identity;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Logging;
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.Threading.Tasks;
+
+namespace Microsoft.eShopWeb.RazorPages.Pages.Account.Manage
+{
+    public class ChangePasswordModel : PageModel
+    {
+        private readonly UserManager<ApplicationUser> _userManager;
+        private readonly SignInManager<ApplicationUser> _signInManager;
+        private readonly ILogger<ChangePasswordModel> _logger;
+
+        public ChangePasswordModel(
+            UserManager<ApplicationUser> userManager,
+            SignInManager<ApplicationUser> signInManager,
+            ILogger<ChangePasswordModel> logger)
+        {
+            _userManager = userManager;
+            _signInManager = signInManager;
+            _logger = logger;
+        }
+
+        [BindProperty]
+        public InputModel Input { get; set; }
+
+        [TempData]
+        public string StatusMessage { get; set; }
+
+        public class InputModel
+        {
+            [Required]
+            [DataType(DataType.Password)]
+            [Display(Name = "Current password")]
+            public string OldPassword { 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 = "New password")]
+            public string NewPassword { get; set; }
+
+            [DataType(DataType.Password)]
+            [Display(Name = "Confirm new password")]
+            [Compare("NewPassword", ErrorMessage = "The new password and confirmation password do not match.")]
+            public string ConfirmPassword { get; set; }
+        }
+
+        public async Task<IActionResult> OnGetAsync()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            var hasPassword = await _userManager.HasPasswordAsync(user);
+            if (!hasPassword)
+            {
+                return RedirectToPage("./SetPassword");
+            }
+
+            return Page();
+        }
+
+        public async Task<IActionResult> OnPostAsync()
+        {
+            if (!ModelState.IsValid)
+            {
+                return Page();
+            }
+
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            var changePasswordResult = await _userManager.ChangePasswordAsync(user, Input.OldPassword, Input.NewPassword);
+            if (!changePasswordResult.Succeeded)
+            {
+                foreach (var error in changePasswordResult.Errors)
+                {
+                    ModelState.AddModelError(string.Empty, error.Description);
+                }
+                return Page();
+            }
+
+            await _signInManager.SignInAsync(user, isPersistent: false);
+            _logger.LogInformation("User changed their password successfully.");
+            StatusMessage = "Your password has been changed.";
+
+            return RedirectToPage();
+        }
+    }
+}

src/WebRazorPages/Pages/Account/Manage/Disable2fa.cshtml

@@ -0,0 +1,25 @@
+@page
+@model Disable2faModel
+@{
+    ViewData["Title"] = "Disable two-factor authentication (2FA)";
+    ViewData["ActivePage"] = "TwoFactorAuthentication";
+}
+
+<h2>@ViewData["Title"]</h2>
+
+<div class="alert alert-warning" role="alert">
+    <p>
+        <span class="glyphicon glyphicon-warning-sign"></span>
+        <strong>This action only disables 2FA.</strong>
+    </p>
+    <p>
+        Disabling 2FA does not change the keys used in authenticator apps. If you wish to change the key
+        used in an authenticator app you should <a asp-page="./ResetAuthenticator">reset your authenticator keys.</a>
+    </p>
+</div>
+
+<div>
+    <form method="post" class="form-group">
+        <button class="btn btn-danger" type="submit">Disable 2FA</button>
+    </form>
+</div>

src/WebRazorPages/Pages/Account/Manage/Disable2fa.cshtml.cs

@@ -0,0 +1,59 @@
+using Infrastructure.Identity;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Threading.Tasks;
+
+namespace Microsoft.eShopWeb.RazorPages.Pages.Account.Manage
+{
+    public class Disable2faModel : PageModel
+    {
+        private readonly UserManager<ApplicationUser> _userManager;
+        private readonly ILogger<Disable2faModel> _logger;
+
+        public Disable2faModel(
+            UserManager<ApplicationUser> userManager,
+            ILogger<Disable2faModel> logger)
+        {
+            _userManager = userManager;
+            _logger = logger;
+        }
+
+        public async Task<IActionResult> OnGet()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            if (!await _userManager.GetTwoFactorEnabledAsync(user))
+            {
+                throw new ApplicationException($"Cannot disable 2FA for user with ID '{_userManager.GetUserId(User)}' as it's not currently enabled.");
+            }
+
+            return Page();
+        }
+
+        public async Task<IActionResult> OnPostAsync()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            var disable2faResult = await _userManager.SetTwoFactorEnabledAsync(user, false);
+            if (!disable2faResult.Succeeded)
+            {
+                throw new ApplicationException($"Unexpected error occurred disabling 2FA for user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            _logger.LogInformation("User with ID '{UserId}' has disabled 2fa.", _userManager.GetUserId(User));
+
+            return RedirectToPage("./TwoFactorAuthentication");
+        }
+    }
+}

src/WebRazorPages/Pages/Account/Manage/EnableAuthenticator.cshtml

@@ -0,0 +1,53 @@
+@page
+@model EnableAuthenticatorModel
+@{
+    ViewData["Title"] = "Configure authenticator app";
+    ViewData["ActivePage"] = "TwoFactorAuthentication";
+}
+
+<h4>@ViewData["Title"]</h4>
+<div>
+    <p>To use an authenticator app go through the following steps:</p>
+    <ol class="list">
+        <li>
+            <p>
+                Download a two-factor authenticator app like Microsoft Authenticator for
+                <a href="https://go.microsoft.com/fwlink/?Linkid=825071">Windows Phone</a>,
+                <a href="https://go.microsoft.com/fwlink/?Linkid=825072">Android</a> and
+                <a href="https://go.microsoft.com/fwlink/?Linkid=825073">iOS</a> or
+                Google Authenticator for
+                <a href="https://play.google.com/store/apps/details?id=com.google.android.apps.authenticator2&amp;hl=en">Android</a> and
+                <a href="https://itunes.apple.com/us/app/google-authenticator/id388497605?mt=8">iOS</a>.
+            </p>
+        </li>
+        <li>
+            <p>Scan the QR Code or enter this key <kbd>@Model.SharedKey</kbd> into your two factor authenticator app. Spaces and casing do not matter.</p>
+            <div class="alert alert-info">To enable QR code generation please read our <a href="https://go.microsoft.com/fwlink/?Linkid=852423">documentation</a>.</div>
+            <div id="qrCode"></div>
+            <div id="qrCodeData" data-url="@Html.Raw(Model.AuthenticatorUri)"></div>
+        </li>
+        <li>
+            <p>
+                Once you have scanned the QR code or input the key above, your two factor authentication app will provide you
+                with a unique code. Enter the code in the confirmation box below.
+            </p>
+            <div class="row">
+                <div class="col-md-6">
+                    <form method="post">
+                        <div class="form-group">
+                            <label asp-for="Input.Code" class="control-label">Verification Code</label>
+                            <input asp-for="Input.Code" class="form-control" autocomplete="off" />
+                            <span asp-validation-for="Input.Code" class="text-danger"></span>
+                        </div>
+                        <button type="submit" class="btn btn-default">Verify</button>
+                        <div asp-validation-summary="ModelOnly" class="text-danger"></div>
+                    </form>
+                </div>
+            </div>
+        </li>
+    </ol>
+</div>
+
+@section Scripts {
+    @await Html.PartialAsync("_ValidationScriptsPartial")
+}

src/WebRazorPages/Pages/Account/Manage/EnableAuthenticator.cshtml.cs

@@ -0,0 +1,135 @@
+using Infrastructure.Identity;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Logging;
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.Text;
+using System.Text.Encodings.Web;
+using System.Threading.Tasks;
+
+namespace Microsoft.eShopWeb.RazorPages.Pages.Account.Manage
+{
+    public class EnableAuthenticatorModel : PageModel
+    {
+        private readonly UserManager<ApplicationUser> _userManager;
+        private readonly ILogger<EnableAuthenticatorModel> _logger;
+        private readonly UrlEncoder _urlEncoder;
+
+        private const string AuthenicatorUriFormat = "otpauth://totp/{0}:{1}?secret={2}&issuer={0}&digits=6";
+
+        public EnableAuthenticatorModel(
+            UserManager<ApplicationUser> userManager,
+            ILogger<EnableAuthenticatorModel> logger,
+            UrlEncoder urlEncoder)
+        {
+            _userManager = userManager;
+            _logger = logger;
+            _urlEncoder = urlEncoder;
+        }
+
+        public string SharedKey { get; set; }
+
+        public string AuthenticatorUri { get; set; }
+
+        [BindProperty]
+        public InputModel Input { get; set; }
+
+        public class InputModel
+        {
+            [Required]
+            [StringLength(7, ErrorMessage = "The {0} must be at least {2} and at max {1} characters long.", MinimumLength = 6)]
+            [DataType(DataType.Text)]
+            [Display(Name = "Verification Code")]
+            public string Code { get; set; }
+        }
+
+        public async Task<IActionResult> OnGetAsync()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            await LoadSharedKeyAndQrCodeUriAsync(user);
+            if (string.IsNullOrEmpty(SharedKey))
+            {
+                await _userManager.ResetAuthenticatorKeyAsync(user);
+                await LoadSharedKeyAndQrCodeUriAsync(user);
+            }
+
+            return Page();
+        }
+
+        public async Task<IActionResult> OnPostAsync()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            if (!ModelState.IsValid)
+            {
+                await LoadSharedKeyAndQrCodeUriAsync(user);
+                return Page();
+            }
+
+            // Strip spaces and hypens
+            var verificationCode = Input.Code.Replace(" ", string.Empty).Replace("-", string.Empty);
+
+            var is2faTokenValid = await _userManager.VerifyTwoFactorTokenAsync(
+                user, _userManager.Options.Tokens.AuthenticatorTokenProvider, verificationCode);
+
+            if (!is2faTokenValid)
+            {
+                ModelState.AddModelError("Input.Code", "Verification code is invalid.");
+                await LoadSharedKeyAndQrCodeUriAsync(user);
+                return Page();
+            }
+
+            await _userManager.SetTwoFactorEnabledAsync(user, true);
+            _logger.LogInformation("User with ID '{UserId}' has enabled 2FA with an authenticator app.", user.Id);
+            return RedirectToPage("./GenerateRecoveryCodes");
+        }
+
+        private async Task LoadSharedKeyAndQrCodeUriAsync(ApplicationUser user)
+        {
+            // Load the authenticator key & QR code URI to display on the form
+            var unformattedKey = await _userManager.GetAuthenticatorKeyAsync(user);
+            if (!string.IsNullOrEmpty(unformattedKey))
+            {
+                SharedKey = FormatKey(unformattedKey);
+                AuthenticatorUri = GenerateQrCodeUri(user.Email, unformattedKey);
+            }
+        }
+
+        private string FormatKey(string unformattedKey)
+        {
+            var result = new StringBuilder();
+            int currentPosition = 0;
+            while (currentPosition + 4 < unformattedKey.Length)
+            {
+                result.Append(unformattedKey.Substring(currentPosition, 4)).Append(" ");
+                currentPosition += 4;
+            }
+            if (currentPosition < unformattedKey.Length)
+            {
+                result.Append(unformattedKey.Substring(currentPosition));
+            }
+
+            return result.ToString().ToLowerInvariant();
+        }
+
+        private string GenerateQrCodeUri(string email, string unformattedKey)
+        {
+            return string.Format(
+                AuthenicatorUriFormat,
+                _urlEncoder.Encode("RazorPagesAuthSample2"),
+                _urlEncoder.Encode(email),
+                unformattedKey);
+        }
+    }
+}

src/WebRazorPages/Pages/Account/Manage/GenerateRecoveryCodes.cshtml

@@ -0,0 +1,25 @@
+@page
+@model GenerateRecoveryCodesModel
+@{
+    ViewData["Title"] = "Recovery codes";
+    ViewData["ActivePage"] = "TwoFactorAuthentication";
+}
+
+<h4>@ViewData["Title"]</h4>
+<div class="alert alert-warning" role="alert">
+    <p>
+        <span class="glyphicon glyphicon-warning-sign"></span>
+        <strong>Put these codes in a safe place.</strong>
+    </p>
+    <p>
+        If you lose your device and don't have the recovery codes you will lose access to your account.
+    </p>
+</div>
+<div class="row">
+    <div class="col-md-12">
+        @for (var row = 0; row < Model.RecoveryCodes.Count(); row += 2)
+        {
+            <code>@Model.RecoveryCodes[row]</code><text>&nbsp;</text><code>@Model.RecoveryCodes[row + 1]</code><br />
+        }
+    </div>
+</div>

src/WebRazorPages/Pages/Account/Manage/GenerateRecoveryCodes.cshtml.cs

@@ -0,0 +1,48 @@
+using Infrastructure.Identity;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Microsoft.eShopWeb.RazorPages.Pages.Account.Manage
+{
+    public class GenerateRecoveryCodesModel : PageModel
+    {
+        private readonly UserManager<ApplicationUser> _userManager;
+        private readonly ILogger<GenerateRecoveryCodesModel> _logger;
+
+        public GenerateRecoveryCodesModel(
+            UserManager<ApplicationUser> userManager,
+            ILogger<GenerateRecoveryCodesModel> logger)
+        {
+            _userManager = userManager;
+            _logger = logger;
+        }
+
+        public string[] RecoveryCodes { get; set; }
+
+        public async Task<IActionResult> OnGetAsync()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            if (!user.TwoFactorEnabled)
+            {
+                throw new ApplicationException($"Cannot generate recovery codes for user with ID '{user.Id}' as they do not have 2FA enabled.");
+            }
+
+            var recoveryCodes = await _userManager.GenerateNewTwoFactorRecoveryCodesAsync(user, 10);
+            RecoveryCodes = recoveryCodes.ToArray();
+
+            _logger.LogInformation("User with ID '{UserId}' has generated new 2FA recovery codes.", user.Id);
+
+            return Page();
+        }
+    }
+}

src/WebRazorPages/Pages/Account/Manage/Index.cshtml

@@ -0,0 +1,45 @@
+@page
+@model IndexModel
+@{
+    ViewData["Title"] = "Profile";
+}
+
+<h4>@ViewData["Title"]</h4>
+@Html.Partial("_StatusMessage", Model.StatusMessage)
+<div class="row">
+    <div class="col-md-6">
+        <form method="post">
+            <div asp-validation-summary="All" class="text-danger"></div>
+            <div class="form-group">
+                <label asp-for="Username"></label>
+                <input asp-for="Username" class="form-control" disabled />
+            </div>
+            <div class="form-group">
+                <label asp-for="Input.Email"></label>
+                @if (Model.IsEmailConfirmed)
+                {
+                    <div class="input-group">
+                        <input asp-for="Input.Email" class="form-control" />
+                        <span class="input-group-addon" aria-hidden="true"><span class="glyphicon glyphicon-ok text-success"></span></span>
+                    </div>
+                }
+                else
+                {
+                    <input asp-for="Input.Email" class="form-control" />
+                    <button asp-page-handler="SendVerificationEmail" class="btn btn-link">Send verification email</button>
+                }
+                <span asp-validation-for="Input.Email" class="text-danger"></span>
+            </div>
+            <div class="form-group">
+                <label asp-for="Input.PhoneNumber"></label>
+                <input asp-for="Input.PhoneNumber" class="form-control" />
+                <span asp-validation-for="Input.PhoneNumber" class="text-danger"></span>
+            </div>
+            <button type="submit" class="btn btn-default">Save</button>
+        </form>
+    </div>
+</div>
+
+@section Scripts {
+    @await Html.PartialAsync("_ValidationScriptsPartial")
+}

src/WebRazorPages/Pages/Account/Manage/Index.cshtml.cs

@@ -0,0 +1,125 @@
+using ApplicationCore.Interfaces;
+using Infrastructure.Identity;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.Threading.Tasks;
+
+namespace Microsoft.eShopWeb.RazorPages.Pages.Account.Manage
+{
+    public partial class IndexModel : PageModel
+    {
+        private readonly UserManager<ApplicationUser> _userManager;
+        private readonly SignInManager<ApplicationUser> _signInManager;
+        private readonly IEmailSender _emailSender;
+
+        public IndexModel(
+            UserManager<ApplicationUser> userManager,
+            SignInManager<ApplicationUser> signInManager,
+            IEmailSender emailSender)
+        {
+            _userManager = userManager;
+            _signInManager = signInManager;
+            _emailSender = emailSender;
+        }
+
+        public string Username { get; set; }
+
+        public bool IsEmailConfirmed { get; set; }
+
+        [TempData]
+        public string StatusMessage { get; set; }
+
+        [BindProperty]
+        public InputModel Input { get; set; }
+
+        public class InputModel
+        {
+            [Required]
+            [EmailAddress]
+            public string Email { get; set; }
+
+            [Phone]
+            [Display(Name = "Phone number")]
+            public string PhoneNumber { get; set; }
+        }
+
+        public async Task<IActionResult> OnGetAsync()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            Username = user.UserName;
+
+            Input = new InputModel
+            {
+                Email = user.Email,
+                PhoneNumber = user.PhoneNumber
+            };
+
+            IsEmailConfirmed = await _userManager.IsEmailConfirmedAsync(user);
+
+            return Page();
+        }
+
+        public async Task<IActionResult> OnPostAsync()
+        {
+            if (!ModelState.IsValid)
+            {
+                return Page();
+            }
+
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            if (Input.Email != user.Email)
+            {
+                var setEmailResult = await _userManager.SetEmailAsync(user, Input.Email);
+                if (!setEmailResult.Succeeded)
+                {
+                    throw new ApplicationException($"Unexpected error occurred setting email for user with ID '{user.Id}'.");
+                }
+            }
+
+            if (Input.PhoneNumber != user.PhoneNumber)
+            {
+                var setPhoneResult = await _userManager.SetPhoneNumberAsync(user, Input.PhoneNumber);
+                if (!setPhoneResult.Succeeded)
+                {
+                    throw new ApplicationException($"Unexpected error occurred setting phone number for user with ID '{user.Id}'.");
+                }
+            }
+
+            StatusMessage = "Your profile has been updated";
+            return RedirectToPage();
+        }
+        public async Task<IActionResult> OnPostSendVerificationEmailAsync()
+        {
+            if (!ModelState.IsValid)
+            {
+                return Page();
+            }
+
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            var code = await _userManager.GenerateEmailConfirmationTokenAsync(user);
+            var callbackUrl = Url.EmailConfirmationLink(user.Id, code, Request.Scheme);
+            await _emailSender.SendEmailConfirmationAsync(user.Email, callbackUrl);
+
+            StatusMessage = "Verification email sent. Please check your email.";
+            return RedirectToPage();
+        }
+    }
+}

src/WebRazorPages/Pages/Account/Manage/ManageNavPages.cs

@@ -0,0 +1,31 @@
+using Microsoft.AspNetCore.Mvc.Rendering;
+using System;
+
+namespace Microsoft.eShopWeb.RazorPages.Pages.Account.Manage
+{
+    public static class ManageNavPages
+    {
+        public static string Index => "Index";
+
+        public static string ChangePassword => "ChangePassword";
+
+        public static string ExternalLogins => "ExternalLogins";
+
+        public static string TwoFactorAuthentication => "TwoFactorAuthentication";
+
+        public static string IndexNavClass(ViewContext viewContext) => PageNavClass(viewContext, Index);
+
+        public static string ChangePasswordNavClass(ViewContext viewContext) => PageNavClass(viewContext, ChangePassword);
+
+        public static string ExternalLoginsNavClass(ViewContext viewContext) => PageNavClass(viewContext, ExternalLogins);
+
+        public static string TwoFactorAuthenticationNavClass(ViewContext viewContext) => PageNavClass(viewContext, TwoFactorAuthentication);
+    
+        public static string PageNavClass(ViewContext viewContext, string page)
+        {
+            var activePage = viewContext.ViewData["ActivePage"] as string
+                ?? System.IO.Path.GetFileNameWithoutExtension(viewContext.ActionDescriptor.DisplayName);
+            return string.Equals(activePage, page, StringComparison.OrdinalIgnoreCase) ? "active" : null;
+        }
+    }
+}

src/WebRazorPages/Pages/Account/Manage/ResetAuthenticator.cshtml

@@ -0,0 +1,23 @@
+@page
+@model ResetAuthenticatorModel
+@{
+    ViewData["Title"] = "Reset authenticator key";
+    ViewData["ActivePage"] = "TwoFactorAuthentication";
+}
+
+<h4>@ViewData["Title"]</h4>
+<div class="alert alert-warning" role="alert">
+    <p>
+        <span class="glyphicon glyphicon-warning-sign"></span>
+        <strong>If you reset your authenticator key your authenticator app will not work until you reconfigure it.</strong>
+    </p>
+    <p>
+        This process disables 2FA until you verify your authenticator app and will also reset your 2FA recovery codes.
+        If you do not complete your authenticator app configuration you may lose access to your account.
+    </p>
+</div>
+<div>
+    <form method="post" class="form-group">
+        <button class="btn btn-danger" type="submit">Reset authenticator key</button>
+    </form>
+</div>

src/WebRazorPages/Pages/Account/Manage/ResetAuthenticator.cshtml.cs

@@ -0,0 +1,49 @@
+using Infrastructure.Identity;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Threading.Tasks;
+
+namespace Microsoft.eShopWeb.RazorPages.Pages.Account.Manage
+{
+    public class ResetAuthenticatorModel : PageModel
+    {
+        UserManager<ApplicationUser> _userManager;
+        ILogger<ResetAuthenticatorModel> _logger;
+
+        public ResetAuthenticatorModel(
+            UserManager<ApplicationUser> userManager,
+            ILogger<ResetAuthenticatorModel> logger)
+        {
+            _userManager = userManager;
+            _logger = logger;
+        }
+        public async Task<IActionResult> OnGet()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            return Page();
+        }
+
+        public async Task<IActionResult> OnPostAsync()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            await _userManager.SetTwoFactorEnabledAsync(user, false);
+            await _userManager.ResetAuthenticatorKeyAsync(user);
+            _logger.LogInformation("User with ID '{UserId}' has reset their authentication app key.", user.Id);
+
+            return RedirectToPage("./EnableAuthenticator");
+        }
+    }
+}

src/WebRazorPages/Pages/Account/Manage/SetPassword.cshtml

@@ -0,0 +1,35 @@
+@page
+@model SetPasswordModel
+@{
+    ViewData["Title"] = "Set password";
+    ViewData["ActivePage"] = "ChangePassword";
+}
+
+<h4>Set your password</h4>
+@Html.Partial("_StatusMessage", Model.StatusMessage)
+<p class="text-info">
+    You do not have a local username/password for this site. Add a local
+    account so you can log in without an external login.
+</p>
+<div class="row">
+    <div class="col-md-6">
+        <form method="post">
+            <div asp-validation-summary="All" class="text-danger"></div>
+            <div class="form-group">
+                <label asp-for="Input.NewPassword"></label>
+                <input asp-for="Input.NewPassword" class="form-control" />
+                <span asp-validation-for="Input.NewPassword" 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-default">Set password</button>
+        </form>
+    </div>
+</div>
+
+@section Scripts {
+    @await  Html.PartialAsync("_ValidationScriptsPartial")
+}

src/WebRazorPages/Pages/Account/Manage/SetPassword.cshtml.cs

@@ -0,0 +1,91 @@
+using Infrastructure.Identity;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.Threading.Tasks;
+
+namespace Microsoft.eShopWeb.RazorPages.Pages.Account.Manage
+{
+    public class SetPasswordModel : PageModel
+    {
+        private readonly UserManager<ApplicationUser> _userManager;
+        private readonly SignInManager<ApplicationUser> _signInManager;
+
+        public SetPasswordModel(
+            UserManager<ApplicationUser> userManager,
+            SignInManager<ApplicationUser> signInManager)
+        {
+            _userManager = userManager;
+            _signInManager = signInManager;
+        }
+
+        [BindProperty]
+        public InputModel Input { get; set; }
+
+        [TempData]
+        public string StatusMessage { get; set; }
+
+        public class InputModel
+        {
+            [Required]
+            [StringLength(100, ErrorMessage = "The {0} must be at least {2} and at max {1} characters long.", MinimumLength = 6)]
+            [DataType(DataType.Password)]
+            [Display(Name = "New password")]
+            public string NewPassword { get; set; }
+
+            [DataType(DataType.Password)]
+            [Display(Name = "Confirm new password")]
+            [Compare("NewPassword", ErrorMessage = "The new password and confirmation password do not match.")]
+            public string ConfirmPassword { get; set; }
+        }
+
+        public async Task<IActionResult> OnGetAsync()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            var hasPassword = await _userManager.HasPasswordAsync(user);
+
+            if (hasPassword)
+            {
+                return RedirectToPage("./ChangePassword");
+            }
+
+            return Page();
+        }
+
+        public async Task<IActionResult> OnPostAsync()
+        {
+            if (!ModelState.IsValid)
+            {
+                return Page();
+            }
+
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            var addPasswordResult = await _userManager.AddPasswordAsync(user, Input.NewPassword);
+            if (!addPasswordResult.Succeeded)
+            {
+                foreach (var error in addPasswordResult.Errors)
+                {
+                    ModelState.AddModelError(string.Empty, error.Description);
+                }
+                return Page();
+            }
+
+            await _signInManager.SignInAsync(user, isPersistent: false);
+            StatusMessage = "Your password has been set.";
+
+            return RedirectToPage();
+        }
+    }
+}

src/WebRazorPages/Pages/Account/Manage/TwoFactorAuthentication.cshtml

@@ -0,0 +1,49 @@
+@page
+@model TwoFactorAuthenticationModel
+@{
+    ViewData["Title"] = "Two-factor authentication (2FA)";
+}
+
+<h4>@ViewData["Title"]</h4>
+@if (Model.Is2faEnabled)
+{
+    if (Model.RecoveryCodesLeft == 0)
+    {
+        <div class="alert alert-danger">
+            <strong>You have no recovery codes left.</strong>
+            <p>You must <a asp-page="./GenerateRecoveryCodes">generate a new set of recovery codes</a> before you can log in with a recovery code.</p>
+        </div>
+    }
+    else if (Model.RecoveryCodesLeft == 1)
+    {
+        <div class="alert alert-danger">
+            <strong>You have 1 recovery code left.</strong>
+            <p>You can <a asp-page="./GenerateRecoveryCodes">generate a new set of recovery codes</a>.</p>
+        </div>
+    }
+    else if (Model.RecoveryCodesLeft <= 3)
+    {
+        <div class="alert alert-warning">
+            <strong>You have @Model.RecoveryCodesLeft recovery codes left.</strong>
+            <p>You should <a asp-page="./GenerateRecoveryCodes">generate a new set of recovery codes</a>.</p>
+        </div>
+    }
+
+    <a asp-page="./Disable2fa" class="btn btn-default">Disable 2FA</a>
+    <a asp-page="./GenerateRecoveryCodes" class="btn btn-default">Reset recovery codes</a>
+}
+
+<h5>Authenticator app</h5>
+@if (!Model.HasAuthenticator)
+{
+    <a asp-page="./EnableAuthenticator" class="btn btn-default">Add authenticator app</a>
+}
+else
+{
+    <a asp-page="./EnableAuthenticator" class="btn btn-default">Configure authenticator app</a>
+    <a asp-page="./ResetAuthenticator" class="btn btn-default">Reset authenticator app</a>
+}
+
+@section Scripts {
+    @await Html.PartialAsync("_ValidationScriptsPartial")
+}

src/WebRazorPages/Pages/Account/Manage/TwoFactorAuthentication.cshtml.cs

@@ -0,0 +1,51 @@
+using Infrastructure.Identity;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Threading.Tasks;
+
+namespace Microsoft.eShopWeb.RazorPages.Pages.Account.Manage
+{
+    public class TwoFactorAuthenticationModel : PageModel
+    {
+        private const string AuthenicatorUriFormat = "otpauth://totp/{0}:{1}?secret={2}&issuer={0}";
+
+        private readonly UserManager<ApplicationUser> _userManager;
+        private readonly SignInManager<ApplicationUser> _signInManager;
+        private readonly ILogger<TwoFactorAuthenticationModel> _logger;
+
+        public TwoFactorAuthenticationModel(
+            UserManager<ApplicationUser> userManager,
+            SignInManager<ApplicationUser> signInManager,
+            ILogger<TwoFactorAuthenticationModel> logger)
+        {
+            _userManager = userManager;
+            _signInManager = signInManager;
+            _logger = logger;
+        }
+
+        public bool HasAuthenticator { get; set; }
+
+        public int RecoveryCodesLeft { get; set; }
+
+        [BindProperty]
+        public bool Is2faEnabled { get; set; }
+
+        public async Task<IActionResult> OnGet()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            HasAuthenticator = await _userManager.GetAuthenticatorKeyAsync(user) != null;
+            Is2faEnabled = await _userManager.GetTwoFactorEnabledAsync(user);
+            RecoveryCodesLeft = await _userManager.CountRecoveryCodesAsync(user);
+
+            return Page();
+        }
+    }
+}

src/WebRazorPages/Pages/Account/Manage/_Layout.cshtml

@@ -0,0 +1,23 @@
+@{ 
+    Layout = "/Pages/_Layout.cshtml";
+}
+
+<h2>Manage your account</h2>
+
+<div>
+    <h4>Change your account settings</h4>
+    <hr />
+    <div class="row">
+        <div class="col-md-3">
+            @await Html.PartialAsync("_ManageNav")
+        </div>
+        <div class="col-md-9">
+            @RenderBody()
+        </div>
+    </div>
+</div>
+
+@section Scripts {
+    @RenderSection("Scripts", required: false)
+}
+        

src/WebRazorPages/Pages/Account/Manage/_ManageNav.cshtml

@@ -0,0 +1,6 @@
+<ul class="nav nav-pills nav-stacked">
+    <li class="@ManageNavPages.IndexNavClass(ViewContext)"><a asp-page="./Index">Profile</a></li>
+    <li class="@ManageNavPages.ChangePasswordNavClass(ViewContext)"><a asp-page="./ChangePassword">Password</a></li>
+    <li class="@ManageNavPages.TwoFactorAuthenticationNavClass(ViewContext)"><a asp-page="./TwoFactorAuthentication">Two-factor authentication</a></li>
+</ul>
+

src/WebRazorPages/Pages/Account/Manage/_StatusMessage.cshtml

@@ -0,0 +1,10 @@
+@model string
+
+@if (!String.IsNullOrEmpty(Model))
+{
+    var statusMessageClass = Model.StartsWith("Error") ? "danger" : "success";
+    <div class="alert alert-@statusMessageClass alert-dismissible" role="alert">
+        <button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">&times;</span></button>
+        @Model
+    </div>
+}

src/WebRazorPages/Pages/Account/Manage/_ViewImports.cshtml

@@ -0,0 +1 @@
+@using Microsoft.eShopWeb.RazorPages.Pages.Account.Manage

src/WebRazorPages/Pages/Account/Register.cshtml.cs

@@ -1,10 +1,9 @@
-using System.Threading.Tasks;
+using Infrastructure.Identity;
+using Microsoft.AspNetCore.Identity;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.RazorPages;
-using Microsoft.eShopWeb.RazorPages.ViewModels;
-using Microsoft.AspNetCore.Identity;
-using Infrastructure.Identity;
 using System.ComponentModel.DataAnnotations;
+using System.Threading.Tasks;
 
 namespace Microsoft.eShopWeb.RazorPages.Pages.Account
 {

src/WebRazorPages/Pages/Account/Signin.cshtml.cs

@@ -71,6 +71,10 @@ namespace Microsoft.eShopWeb.RazorPages.Pages.Account
                 }
                 return RedirectToPage(returnUrl ?? "/Index");
             }
+            if (result.RequiresTwoFactor)
+            {
+                return RedirectToPage("./LoginWith2fa", new { ReturnUrl = returnUrl, RememberMe = LoginDetails.RememberMe });
+            }
             ModelState.AddModelError(string.Empty, "Invalid login attempt.");
             return Page();
         }

src/WebRazorPages/Pages/Account/Signout.cshtml

@@ -1,6 +0,0 @@
-@page
-@model SignoutModel
-@{
-    ViewData["Title"] = "Signing out";
-}
-<h2>Signing out...</h2>

src/WebRazorPages/Pages/Account/Signout.cshtml.cs

@@ -1,32 +0,0 @@
-using System.Threading.Tasks;
-using Microsoft.AspNetCore.Mvc.RazorPages;
-using Microsoft.AspNetCore.Identity;
-using Infrastructure.Identity;
-using Microsoft.AspNetCore.Mvc;
-
-namespace Microsoft.eShopWeb.RazorPages.Pages.Account
-{
-    public class SignoutModel : PageModel
-    {
-        private readonly SignInManager<ApplicationUser> _signInManager;
-
-        public SignoutModel(SignInManager<ApplicationUser> signInManager)
-        {
-            _signInManager = signInManager;
-        }
-
-        public async Task<IActionResult> OnGet()
-        {
-            await _signInManager.SignOutAsync();
-
-            return RedirectToPage("/Index");
-        }
-
-        public async Task<IActionResult> OnPost()
-        {
-            await _signInManager.SignOutAsync();
-
-            return RedirectToPage("/Index");
-        }
-    }
-}

src/WebRazorPages/Pages/_LoginPartial.cshtml

@@ -4,7 +4,7 @@
 {
         <section class="col-lg-4 col-md-5 col-xs-12">
             <div class="esh-identity">
-                <form asp-page="/Account/Signout" method="post" 
+                <form asp-controller="Account" asp-action="Logout" method="post" 
                       id="logoutForm" class="navbar-right">
                     <section class="esh-identity-section">
                         @*<div class="esh-identity-name">@User.FindFirst(x => x.Type == "preferred_username").Value</div>*@
@@ -19,6 +19,14 @@
                             <img class="esh-identity-image" src="~/images/my_orders.png">
                         </a>
 
+                        <a class="esh-identity-item"
+                           asp-page="/Account/Manage/Index">
+
+                            <div class="esh-identity-name esh-identity-name--upper">My account</div>
+                            <img class="esh-identity-image" src="~/images/my_orders.png">
+                        </a>
+
+
                         <a class="esh-identity-item"
                            href="javascript:document.getElementById('logoutForm').submit()">
                             <div class="esh-identity-name esh-identity-name--upper">Log Out</div>

src/WebRazorPages/Pages/_ViewImports.cshtml

@@ -1,4 +1,6 @@
 @using Microsoft.eShopWeb.RazorPages
 @using Microsoft.eShopWeb.RazorPages.ViewModels
+@using Microsoft.AspNetCore.Identity
+@using Infrastructure.Identity
 @namespace Microsoft.eShopWeb.RazorPages.Pages
 @addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers 

src/WebRazorPages/Startup.cs

@@ -3,6 +3,7 @@ using ApplicationCore.Services;
 using Infrastructure.Data;
 using Infrastructure.Identity;
 using Infrastructure.Logging;
+using Infrastructure.Services;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.Http;
@@ -100,6 +101,7 @@ namespace Microsoft.eShopWeb.RazorPages
             services.AddSingleton<IUriComposer>(new UriComposer(Configuration.Get<CatalogSettings>()));
 
             services.AddScoped(typeof(IAppLogger<>), typeof(LoggerAdapter<>));
+            services.AddTransient<IEmailSender, EmailSender>();
 
             // Add memory cache services
             services.AddMemoryCache();