public virtual async Task <ActionResult> ExternalLoginCallback(string returnUrl)
{
var loginInfo = await _authenticationManager.GetExternalLoginInfoAsync();
if (loginInfo == null)
{
return(RedirectToAction(MVC.Account.Login()));
}
// Sign in the user with this external login provider if the user already has a login
var result = await _signInManager.ExternalSignInAsync(loginInfo, isPersistent : false);
switch (result)
{
case SignInStatus.Success:
return(RedirectToLocal(returnUrl));
case SignInStatus.LockedOut:
return(RedirectToAction(MVC.Error.LockOut()));
default:
// If the user does not have an account, then prompt the user to create an account
ViewBag.ReturnUrl = returnUrl;
ViewBag.LoginProvider = loginInfo.Login.LoginProvider;
return(View(MVC.Account.Views.ExternalLoginConfirmation, new ExternalLoginConfirmationViewModel {
Email = loginInfo.Email
}));
}
}
public async Task <ExternalLoginResultOutput> ExecuteAsync(string scheme)
{
var authResult = await _authenticationService.AuthenticateAsync(scheme);
if (!authResult.Succeeded)
{
throw authResult.Failure;
}
var emailClaim = authResult.Principal.FindFirst(ClaimTypes.Email);
var correlationId = Guid.NewGuid();
var account = await _accountProviderService.ProvideAccountForExternalLoginAsync(emailClaim.Value, correlationId);
if (account.DomainEvents.Any(x => x.GetType() == typeof(AccountCreatedDomainEvent)))
{
var pictureClaim = authResult.Principal.FindFirst("picture");
var picture = pictureClaim != null ? pictureClaim.Value : string.Empty;
var accountCreatedIntegrationEvent = new AccountCreatedIntegrationEvent(correlationId, account.Id, account.Email, picture);
await _integrationEventBus.PublishIntegrationEventAsync(accountCreatedIntegrationEvent);
}
var claims = await _accountClaimsCreatorService.CreateAccountClaimsAsync(account);
var externalSignInTask = _signInService.ExternalSignInAsync(account.Id, account.Email, scheme, claims);
var signOutTask = _signOutService.SignOutAsync(scheme);
var returnUrl =
authResult.Items is null || !authResult.Items.ContainsKey("returnUrl") ||
string.IsNullOrWhiteSpace(authResult.Items["returnUrl"])
? "~/"
: authResult.Items["returnUrl"];
var authRequest = await _authorizationService.GetAuthorizationRequestAsync(returnUrl);
await Task.WhenAll(externalSignInTask, signOutTask);
return(new ExternalLoginResultOutput(returnUrl, authRequest?.IsNativeClient));
}