public ActionResult ExternalLoginCallback(string returnUrl)
{
AuthenticationResult result = OAuthWebSecurity.VerifyAuthentication(Url.Action("ExternalLoginCallback", new { ReturnUrl = returnUrl }));
if (!result.IsSuccessful)
{
return RedirectToAction("ExternalLoginFailure");
}
if (OAuthWebSecurity.Login(result.Provider, result.ProviderUserId, createPersistentCookie: true))
{
return RedirectToLocal(returnUrl);
}
ExtraData extraData = null;
if (User.Identity.IsAuthenticated)
{
// If the current user is logged in add the new account
OAuthWebSecurity.CreateOrUpdateAccount(result.Provider, result.ProviderUserId, User.Identity.Name);
return RedirectToLocal(returnUrl);
}
else
{
// User is new, ask for their desired membership name
string loginData = OAuthWebSecurity.SerializeProviderUserId(result.Provider, result.ProviderUserId);
ViewBag.ProviderDisplayName = OAuthWebSecurity.GetOAuthClientData(result.Provider).DisplayName;
ViewBag.ReturnUrl = returnUrl;
if (result.ExtraData != null)
{
extraData = new ExtraData
{
Description = result.ExtraData.ContainsKey("description") ? result.ExtraData["description"] : string.Empty,
Location = result.ExtraData.ContainsKey("location") ? result.ExtraData["location"] : string.Empty,
Name = result.ExtraData.ContainsKey("name") ? result.ExtraData["name"] : String.Empty,
AccessToken = result.ExtraData.ContainsKey("accesstoken") ? result.ExtraData["accesstoken"] : string.Empty,
Url = result.ExtraData.ContainsKey("profile_image_url") ? result.ExtraData["profile_image_url"] : string.Empty,
ParentUserProfile = new UserProfile { UserName = result.UserName }
};
//using (UsersContext db = new UsersContext())
//{
// db.Entry(extraData).State = System.Data.EntityState.Added;
// db.SaveChanges();
//}
}
return View("ExternalLoginConfirmation", new RegisterExternalLoginModel
{
UserName = result.UserName,
ExternalLoginData = loginData,
AuthenticationProviderData = extraData
});
}
}
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)
{
ExtraData extraData = new ExtraData
{
Description = model.AuthenticationProviderData.Description,
Location = model.AuthenticationProviderData.Location,
Name = model.AuthenticationProviderData.Name,
AccessToken = model.AuthenticationProviderData.AccessToken,
Url = model.AuthenticationProviderData.Url,
ParentUserProfile = new UserProfile { UserName = model.UserName }
};
// Insert name into the profile table
db.Entry(extraData).State = System.Data.EntityState.Added;
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);
}