public async Task <IActionResult> OnPostChangeEmailAsync()
{
var user = await _userManager.GetUserAsync(User);
if (user == null)
{
return(NotFound($"Unable to load user with ID '{_userManager.GetUserId(User)}'."));
}
if (!ModelState.IsValid)
{
await LoadAsync(user);
return(Page());
}
var email = await _userManager.GetEmailAsync(user);
if (Input.NewEmail != email)
{
var userId = await _userManager.GetUserIdAsync(user);
var code = await _userManager.GenerateChangeEmailTokenAsync(user, Input.NewEmail);
var callbackUrl = Url.Page(
"/Account/ConfirmEmailChange",
pageHandler: null,
values: new { userId = userId, email = Input.NewEmail, code = code },
protocol: Request.Scheme);
await _emailSender.SendEmailAsync(
Input.NewEmail,
"Confirm your email",
$"Please confirm your account by <a href='{HtmlEncoder.Default.Encode(callbackUrl)}'>clicking here</a>.");
StatusMessage = "Confirmation link to change email sent. Please check your email.";
return(RedirectToPage());
}
StatusMessage = "Your email is unchanged.";
return(RedirectToPage());
}