public ActionResult ExternalLoginConfirmation(RegisterExternalLoginModel model, string returnUrl)
{
string provider = null;
string providerUserId = null;
if (User.Identity.IsAuthenticated || !OAuthWebSecurity.TryDeserializeProviderUserId(model.ExternalLoginData, out provider, out providerUserId))
{
return(RedirectToAction("Manage"));
}
if (ModelState.IsValid)
{
// Insert a new user into the database
using (var db = new LinkerDb())
{
UserBase user = db.UsersBase.FirstOrDefault(u => u.UserName.ToLower() == model.UserName.ToLower());
// Check if user already exists
if (user == null)
{
// Insert name into the profile table
db.UsersBase.Add(new UserBase {
UserName = model.UserName
});
db.SaveChanges();
OAuthWebSecurity.CreateOrUpdateAccount(provider, providerUserId, model.UserName);
OAuthWebSecurity.Login(provider, providerUserId, createPersistentCookie: false);
return(RedirectToLocal(returnUrl));
}
else
{
ModelState.AddModelError("UserName", "User name already exists. Please enter a different user name.");
}
}
}
ViewBag.ProviderDisplayName = OAuthWebSecurity.GetOAuthClientData(provider).DisplayName;
ViewBag.ReturnUrl = returnUrl;
return(View(model));
}