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 ( UsersContext db = new UsersContext( ) )
{
UserProfile user = db.UserProfiles.FirstOrDefault( u => u.UserName.ToLower( ) == model.UserName.ToLower( ) );
// Check if user already exists
if ( user == null )
{
// Insert name into the profile table
db.UserProfiles.Add( new UserProfile { 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 );
}
