Add Custom Identity User and Modify Registration/login

SpeakingInBitsWeb/Areas/Identity/Pages/Account/Login.cshtml

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+@page
+@model LoginModel
+
+@{
+    ViewData["Title"] = "Log in";
+}
+
+<h1>@ViewData["Title"]</h1>
+<div class="row">
+    <div class="col-md-4">
+        <section>
+            <form id="account" method="post">
+                <h2>Use a local account to log in.</h2>
+                <hr />
+                <div asp-validation-summary="ModelOnly" class="text-danger" role="alert"></div>
+                <div class="form-floating mb-3">
+                    <input asp-for="Input.Username" class="form-control" autocomplete="username" aria-required="true" placeholder="YourUsername" />
+                    <label asp-for="Input.Username" class="form-label"></label>
+                    <span asp-validation-for="Input.Username" class="text-danger"></span>
+                </div>
+                <div class="form-floating mb-3">
+                    <input asp-for="Input.Password" class="form-control" autocomplete="current-password" aria-required="true" placeholder="password" />
+                    <label asp-for="Input.Password" class="form-label">Password</label>
+                    <span asp-validation-for="Input.Password" class="text-danger"></span>
+                </div>
+                <div class="checkbox mb-3">
+                    <label asp-for="Input.RememberMe" class="form-label">
+                        <input class="form-check-input" asp-for="Input.RememberMe" />
+                        @Html.DisplayNameFor(m => m.Input.RememberMe)
+                    </label>
+                </div>
+                <div>
+                    <button id="login-submit" type="submit" class="w-100 btn btn-lg btn-primary">Log in</button>
+                </div>
+                <div>
+                    <p>
+                        <a id="forgot-password" asp-page="./ForgotPassword">Forgot your password?</a>
+                    </p>
+                    <p>
+                        <a asp-page="./Register" asp-route-returnUrl="@Model.ReturnUrl">Register as a new user</a>
+                    </p>
+                    <p>
+                        <a id="resend-confirmation" asp-page="./ResendEmailConfirmation">Resend email confirmation</a>
+                    </p>
+                </div>
+            </form>
+        </section>
+    </div>
+    <div class="col-md-6 col-md-offset-2">
+        <section>
+            <h3>Use another service to log in.</h3>
+            <hr />
+            @{
+                if ((Model.ExternalLogins?.Count ?? 0) == 0)
+                {
+                    <div>
+                        <p>
+                            There are no external authentication services configured. See this <a href="https://go.microsoft.com/fwlink/?LinkID=532715">article
+                            about setting up this ASP.NET application to support logging in via external services</a>.
+                        </p>
+                    </div>
+                }
+                else
+                {
+                    <form id="external-account" asp-page="./ExternalLogin" asp-route-returnUrl="@Model.ReturnUrl" method="post" class="form-horizontal">
+                        <div>
+                            <p>
+                                @foreach (var provider in Model.ExternalLogins!)
+                                {
+                                    <button type="submit" class="btn btn-primary" name="provider" value="@provider.Name" title="Log in using your @provider.DisplayName account">@provider.DisplayName</button>
+                                }
+                            </p>
+                        </div>
+                    </form>
+                }
+            }
+        </section>
+    </div>
+</div>
+
+@section Scripts {
+    <partial name="_ValidationScriptsPartial" />
+}

SpeakingInBitsWeb/Areas/Identity/Pages/Account/Login.cshtml.cs

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+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+#nullable disable
+
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Identity.UI.Services;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Logging;
+using SpeakingInBitsWeb.Models;
+
+namespace SpeakingInBitsWeb.Areas.Identity.Pages.Account
+{
+    public class LoginModel : PageModel
+    {
+        private readonly SignInManager<ApplicationUser> _signInManager;
+        private readonly ILogger<LoginModel> _logger;
+
+        public LoginModel(SignInManager<ApplicationUser> signInManager, ILogger<LoginModel> logger)
+        {
+            _signInManager = signInManager;
+            _logger = logger;
+        }
+
+        /// <summary>
+        ///     This API supports the ASP.NET Core Identity default UI infrastructure and is not intended to be used
+        ///     directly from your code. This API may change or be removed in future releases.
+        /// </summary>
+        [BindProperty]
+        public InputModel Input { get; set; }
+
+        /// <summary>
+        ///     This API supports the ASP.NET Core Identity default UI infrastructure and is not intended to be used
+        ///     directly from your code. This API may change or be removed in future releases.
+        /// </summary>
+        public IList<AuthenticationScheme> ExternalLogins { get; set; }
+
+        /// <summary>
+        ///     This API supports the ASP.NET Core Identity default UI infrastructure and is not intended to be used
+        ///     directly from your code. This API may change or be removed in future releases.
+        /// </summary>
+        public string ReturnUrl { get; set; }
+
+        /// <summary>
+        ///     This API supports the ASP.NET Core Identity default UI infrastructure and is not intended to be used
+        ///     directly from your code. This API may change or be removed in future releases.
+        /// </summary>
+        [TempData]
+        public string ErrorMessage { get; set; }
+
+        /// <summary>
+        ///     This API supports the ASP.NET Core Identity default UI infrastructure and is not intended to be used
+        ///     directly from your code. This API may change or be removed in future releases.
+        /// </summary>
+        public class InputModel
+        {
+            /// <summary>
+            ///     This API supports the ASP.NET Core Identity default UI infrastructure and is not intended to be used
+            ///     directly from your code. This API may change or be removed in future releases.
+            /// </summary>
+            [Required]
+            public string Username { get; set; }
+
+            /// <summary>
+            ///     This API supports the ASP.NET Core Identity default UI infrastructure and is not intended to be used
+            ///     directly from your code. This API may change or be removed in future releases.
+            /// </summary>
+            [Required]
+            [DataType(DataType.Password)]
+            public string Password { get; set; }
+
+            /// <summary>
+            ///     This API supports the ASP.NET Core Identity default UI infrastructure and is not intended to be used
+            ///     directly from your code. This API may change or be removed in future releases.
+            /// </summary>
+            [Display(Name = "Remember me?")]
+            public bool RememberMe { get; set; }
+        }
+
+        public async Task OnGetAsync(string returnUrl = null)
+        {
+            if (!string.IsNullOrEmpty(ErrorMessage))
+            {
+                ModelState.AddModelError(string.Empty, ErrorMessage);
+            }
+
+            returnUrl ??= Url.Content("~/");
+
+            // Clear the existing external cookie to ensure a clean login process
+            await HttpContext.SignOutAsync(IdentityConstants.ExternalScheme);
+
+            ExternalLogins = (await _signInManager.GetExternalAuthenticationSchemesAsync()).ToList();
+
+            ReturnUrl = returnUrl;
+        }
+
+        public async Task<IActionResult> OnPostAsync(string returnUrl = null)
+        {
+            returnUrl ??= Url.Content("~/");
+
+            ExternalLogins = (await _signInManager.GetExternalAuthenticationSchemesAsync()).ToList();
+
+            if (ModelState.IsValid)
+            {
+                // This doesn't count login failures towards account lockout
+                // To enable password failures to trigger account lockout, set lockoutOnFailure: true
+                var result = await _signInManager.PasswordSignInAsync(Input.Username, Input.Password, Input.RememberMe, lockoutOnFailure: false);
+                if (result.Succeeded)
+                {
+                    _logger.LogInformation("User logged in.");
+                    return LocalRedirect(returnUrl);
+                }
+                if (result.RequiresTwoFactor)
+                {
+                    return RedirectToPage("./LoginWith2fa", new { ReturnUrl = returnUrl, RememberMe = Input.RememberMe });
+                }
+                if (result.IsLockedOut)
+                {
+                    _logger.LogWarning("User account locked out.");
+                    return RedirectToPage("./Lockout");
+                }
+                else
+                {
+                    ModelState.AddModelError(string.Empty, "Invalid login attempt.");
+                    return Page();
+                }
+            }
+
+            // If we got this far, something failed, redisplay form
+            return Page();
+        }
+    }
+}

SpeakingInBitsWeb/Areas/Identity/Pages/Account/Register.cshtml

@@ -0,0 +1,82 @@
+@page
+@model RegisterModel
+@{
+    ViewData["Title"] = "Register";
+}
+
+<h1>@ViewData["Title"]</h1>
+
+<div class="row">
+    <div class="col-md-4">
+        <form id="registerForm" asp-route-returnUrl="@Model.ReturnUrl" method="post">
+            <h2>Create a new account.</h2>
+            <hr />
+            <div asp-validation-summary="ModelOnly" class="text-danger" role="alert"></div>
+            <div class="form-floating mb-3">
+                <input asp-for="Input.Email" class="form-control" autocomplete="email" aria-required="true" placeholder="name@example.com" />
+                <label asp-for="Input.Email">Email</label>
+                <span asp-validation-for="Input.Email" class="text-danger"></span>
+            </div>
+            <div class="form-floating mb-3">
+                <input asp-for="Input.Username" class="form-control" autocomplete="username" aria-required="true" placeholder="YourUsername" />
+                <label asp-for="Input.Username"></label>
+                <span asp-validation-for="Input.Username" class="text-danger"></span>
+            </div>
+            <div class="form-floating mb-3">
+                <input asp-for="Input.FirstName" class="form-control" autocomplete="given-name" aria-required="true" placeholder="First Name" />
+                <label asp-for="Input.FirstName"></label>
+                <span asp-validation-for="Input.FirstName" class="text-danger"></span>
+            </div>
+            <div class="form-floating mb-3">
+                <input asp-for="Input.LastName" class="form-control" autocomplete="family-name" aria-required="true" placeholder="Last Name" />
+                <label asp-for="Input.LastName"></label>
+                <span asp-validation-for="Input.LastName" class="text-danger"></span>
+            </div>
+            <div class="form-floating mb-3">
+                <input asp-for="Input.Password" class="form-control" autocomplete="new-password" aria-required="true" placeholder="password" />
+                <label asp-for="Input.Password">Password</label>
+                <span asp-validation-for="Input.Password" class="text-danger"></span>
+            </div>
+            <div class="form-floating mb-3">
+                <input asp-for="Input.ConfirmPassword" class="form-control" autocomplete="new-password" aria-required="true" placeholder="password" />
+                <label asp-for="Input.ConfirmPassword">Confirm Password</label>
+                <span asp-validation-for="Input.ConfirmPassword" class="text-danger"></span>
+            </div>
+            <button id="registerSubmit" type="submit" class="w-100 btn btn-lg btn-primary">Register</button>
+        </form>
+    </div>
+    <div class="col-md-6 col-md-offset-2">
+        <section>
+            <h3>Use another service to register.</h3>
+            <hr />
+            @{
+                if ((Model.ExternalLogins?.Count ?? 0) == 0)
+                {
+                    <div>
+                        <p>
+                            There are no external authentication services configured. See this <a href="https://go.microsoft.com/fwlink/?LinkID=532715">article
+                            about setting up this ASP.NET application to support logging in via external services</a>.
+                        </p>
+                    </div>
+                }
+                else
+                {
+                    <form id="external-account" asp-page="./ExternalLogin" asp-route-returnUrl="@Model.ReturnUrl" method="post" class="form-horizontal">
+                        <div>
+                            <p>
+                                @foreach (var provider in Model.ExternalLogins!)
+                                {
+                                    <button type="submit" class="btn btn-primary" name="provider" value="@provider.Name" title="Log in using your @provider.DisplayName account">@provider.DisplayName</button>
+                                }
+                            </p>
+                        </div>
+                    </form>
+                }
+            }
+        </section>
+    </div>
+</div>
+
+@section Scripts {
+    <partial name="_ValidationScriptsPartial" />
+}