public async Task <IActionResult> OnPostAsync(string returnUrl = null) { returnUrl = returnUrl ?? Url.Content("~/"); ExternalLogins = (await _signInManager.GetExternalAuthenticationSchemesAsync()).ToList(); if (ModelState.IsValid) { var user = new IdentityUser { UserName = Input.Email, Email = Input.Email }; var result = await _userManager.CreateAsync(user, Input.Password); bool dingoResult = false; List <string> dingoErrors = new(); if (result.Succeeded is true) { // create the dingo account since we purposely seperate authentication from actual user data dingoResult = await accountHandler.CreateNewAccount(user.Id, Input.DisplayName); } if (dingoResult is false) { // if dingo failed delete the asp account so they can re-register await _userManager.DeleteAsync(user); dingoErrors.Add("Failed to create account, please try again later."); } if (result.Succeeded && dingoResult) { _logger.LogInformation("User created with {DisplayName}", Input.DisplayName); var code = await _userManager.GenerateEmailConfirmationTokenAsync(user); code = WebEncoders.Base64UrlEncode(Encoding.UTF8.GetBytes(code)); var callbackUrl = Url.Page( "/Account/ConfirmEmail", pageHandler: null, values: new { area = "Identity", userId = user.Id, code = code, returnUrl = returnUrl }, protocol: Request.Scheme); await _emailSender.SendEmailAsync(Input.Email, "Confirm your email", $"Please confirm your account by <a href='{HtmlEncoder.Default.Encode(callbackUrl)}'>clicking here</a>."); if (_userManager.Options.SignIn.RequireConfirmedAccount) { return(RedirectToPage("RegisterConfirmation", new { email = Input.Email, returnUrl = returnUrl })); } else { await _signInManager.SignInAsync(user, isPersistent : false); return(LocalRedirect(returnUrl)); } } foreach (var error in result.Errors) { ModelState.AddModelError(string.Empty, error.Description.Replace("Username", "Email")); } foreach (var item in dingoErrors) { ModelState.AddModelError(string.Empty, item); } } // If we got this far, something failed, redisplay form return(Page()); }