コード例 #1
0
        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)
            {
                UserProfile user = _userProfiles.FirstOrDefault(EntityFilter <UserProfile> .Where(u => u.UserName.ToLower() == model.UserName.ToLower()));
                // Check if user already exists
                if (user == null)
                {
                    // Insert name into the profile table
                    _userProfiles.AddOrUpdate(new UserProfile {
                        UserName = model.UserName
                    });
                    _userProfiles.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));
        }