public async Task <ActionResult> ExternalLoginCallback(string returnUrl)
{
var loginInfo = await AuthenticationManager.GetExternalLoginInfoAsync();
if (loginInfo == null)
{
return(RedirectToAction("Login"));
}
// Save latest to database
var dbUser = await UserManager.FindAsync(new UserLoginInfo(loginInfo.Login.LoginProvider, loginInfo.Login.ProviderKey));
// Update to latest slack uesrname
var slackUserName = loginInfo.ExternalIdentity.Claims.Where(c => c.Type == ClaimTypes.Name).Select(c => c.Value).SingleOrDefault();
if (!String.IsNullOrEmpty(slackUserName) && dbUser != null && !dbUser.UserName.Equals(slackUserName, StringComparison.OrdinalIgnoreCase))
{
dbUser.UserName = slackUserName;
await UserManager.UpdateAsync(dbUser);
}
// 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:
//TODO: update user name since it can change
return(RedirectToLocal(returnUrl));
case SignInStatus.LockedOut:
return(View("Lockout"));
case SignInStatus.RequiresVerification:
return(RedirectToAction("SendCode", new { ReturnUrl = returnUrl, RememberMe = false }));
case SignInStatus.Failure:
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("ExternalLoginConfirmation", new ExternalLoginConfirmationViewModel {
UserName = loginInfo.DefaultUserName
}));
}
}