public async Task <IActionResult> OnGetLinkLoginCallbackAsync()
{
var user = await _userManager.GetUserAsync(User);
if (user == null)
{
return(NotFound($"Unable to load user with ID 'user.Id'."));
}
var info = await _signInManager.GetExternalLoginInfoAsync(user.Id.ToString());
if (info == null)
{
throw new InvalidOperationException($"Unexpected error occurred loading external login info for user with ID '{user.Id}'.");
}
var result = await _userManager.AddLoginAsync(user, info);
if (!result.Succeeded)
{
StatusMessage = "The external login was not added. External logins can only be associated with one account.";
return(RedirectToPage());
}
// Clear the existing external cookie to ensure a clean login process
await HttpContext.SignOutAsync(IdentityConstants.ExternalScheme);
StatusMessage = "The external login was added.";
return(RedirectToPage());
}
public async Task <IActionResult> OnPostConfirmationAsync(string returnUrl = null)
{
returnUrl = returnUrl ?? Url.Content("~/");
// Get the information about the user from the external login provider
var info = await _signInManager.GetExternalLoginInfoAsync();
if (info == null)
{
ErrorMessage = "Error loading external login information during confirmation.";
return(RedirectToPage("./Login", new { ReturnUrl = returnUrl }));
}
if (ModelState.IsValid)
{
var user = new User {
UserName = Input.Email, Email = Input.Email
};
// TODO add support for tenants
// var tenants = await _tenantService.LoadAllTenantsAsync();
// var aTenant = tenants?.FirstOrDefault();
var aTenant = (Tenant)null;
if (aTenant == null)
{
throw new InvalidOperationException("Cannot create user without tenant");
}
var result = await _userManager.CreateAsync(user, aTenant.Id);
if (result.Succeeded)
{
result = await _userManager.AddLoginAsync(user, info);
if (result.Succeeded)
{
_logger.LogInformation("User created an account using {Name} provider.", info.LoginProvider);
var userId = await _userManager.GetUserIdAsync(user);
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 = userId, code = code },
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 account confirmation is required, we need to show the link if we don't have a real email sender
if (_userManager.Options.SignIn.RequireConfirmedAccount)
{
return(RedirectToPage("./RegisterConfirmation", new { Email = Input.Email }));
}
await _signInManager.SignInAsync(user, isPersistent : false, info.LoginProvider);
return(LocalRedirect(returnUrl));
}
}
foreach (var error in result.Errors)
{
ModelState.AddModelError(string.Empty, error.Description);
}
}
ProviderDisplayName = info.ProviderDisplayName;
ReturnUrl = returnUrl;
return(Page());
}