public async Task <IActionResult> OnPostAsync()
{
// We get the current user.
var user = await _userManager.GetUserAsync(User);
// We check if the user exists or not.
if (user == null)
{
// Display a message.
TempData["StatusMessage"] = "Error: An error occured while trying to load the user data. If you are already logged in, please log out and try again.";
// Redirect to the home page.
return(RedirectToPage("/Index"));
}
// Define the view.
View = new ViewModel
{
HasPassword = await _userManager.HasPasswordAsync(user)
};
// Check if the reCaptcha is valid.
if (!await _reCaptchaChecker.IsValid(Input.ReCaptchaToken))
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "The reCaptcha verification failed.");
// Return the page.
return(Page());
}
// Check if the provided model is not valid.
if (!ModelState.IsValid)
{
// Add an error to the model.
ModelState.AddModelError(string.Empty, "An error was encountered. Please check again the input fields.");
// Return the page.
return(Page());
}
// Try to change the password or set a new one.
var result = View.HasPassword ? await _userManager.ChangePasswordAsync(user, Input.OldPassword, Input.NewPassword) : await _userManager.AddPasswordAsync(user, Input.NewPassword);
// Check if the password update wasn't successful.
if (!result.Succeeded)
{
// Go over the encountered errors
foreach (var error in result.Errors)
{
// and add them to the model
ModelState.AddModelError(string.Empty, error.Description);
}
// Return the page.
return(Page());
}
// Define a new view model for the e-mail.
var emailViewModel = new EmailPasswordChangedViewModel
{
Email = user.Email,
Url = _linkGenerator.GetUriByPage(HttpContext, "/Account/Index", handler: null, values: null),
ApplicationUrl = _linkGenerator.GetUriByPage(HttpContext, "/Index", handler: null, values: null)
};
// Send the e-mail changed e-mail to the user.
await _emailSender.SendPasswordChangedEmailAsync(emailViewModel);
// Re-sign in the user to update the changes.
await _signInManager.RefreshSignInAsync(user);
// Display a message.
TempData["StatusMessage"] = "Success: The password was successfully updated.";
// Redirect to page.
return(RedirectToPage());
}