Update 07082021

BlazorApp - Kopie (3)/Areas/Identity/Pages/Account/Manage/TwoFactorAuthentication.cshtml.cs

@@ -0,0 +1,71 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Logging;
+
+namespace BlazorApp.Areas.Identity.Pages.Account.Manage
+{
+    public class TwoFactorAuthenticationModel : PageModel
+    {
+        private const string AuthenicatorUriFormat = "otpauth://totp/{0}:{1}?secret={2}&issuer={0}";
+
+        private readonly UserManager<IdentityUser> _userManager;
+        private readonly SignInManager<IdentityUser> _signInManager;
+        private readonly ILogger<TwoFactorAuthenticationModel> _logger;
+
+        public TwoFactorAuthenticationModel(
+            UserManager<IdentityUser> userManager,
+            SignInManager<IdentityUser> 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 bool IsMachineRemembered { get; set; }
+
+        [TempData]
+        public string StatusMessage { get; set; }
+
+        public async Task<IActionResult> OnGet()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                return NotFound($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            HasAuthenticator = await _userManager.GetAuthenticatorKeyAsync(user) != null;
+            Is2faEnabled = await _userManager.GetTwoFactorEnabledAsync(user);
+            IsMachineRemembered = await _signInManager.IsTwoFactorClientRememberedAsync(user);
+            RecoveryCodesLeft = await _userManager.CountRecoveryCodesAsync(user);
+
+            return Page();
+        }
+
+        public async Task<IActionResult> OnPost()
+        {
+            var user = await _userManager.GetUserAsync(User);
+            if (user == null)
+            {
+                return NotFound($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
+            }
+
+            await _signInManager.ForgetTwoFactorClientAsync();
+            StatusMessage = "The current browser has been forgotten. When you login again from this browser you will be prompted for your 2fa code.";
+            return RedirectToPage();
+        }
+    }
+}