public AccountUserDocument AddOrUpdateFacebookUser(FbModel model)
{
using (IDocumentSession Session = DataDocumentStore.Instance.OpenSession())
{
BCryptService crypto = new BCryptService();
//Get the user by their facebook Id
var user = Session.Query<AccountUserDocument, AccountUser_ByFacebookId>().Where(x => x.FacebookId == model.FacebookId).SingleOrDefault();
if (user != null)
{
//User exists, update it
user.Name = model.Email;
user.FacebookEmail = model.Email;
user.AllowedDatabases = new[] { "*" };
user.FirstName = model.FirstName;
user.LastName = model.LastName;
user.AccessToken = model.AccessToken;
user.FacebookId = model.FacebookId;
user.Expires = model.Expires;
user.AccountHash = System.Uri.EscapeDataString(crypto.Hash(model.FacebookId.ToString()));
//Save Changes
Session.SaveChanges();
return user;
}
else
{
//No user, create a new one
Guid userId = Guid.NewGuid();
Session.Store(new AccountUserDocument
{
Name = model.Email,
FacebookEmail = model.Email,
Id = String.Format("FacebookTest/Users/{0}", userId.ToString()),
AllowedDatabases = new[] { "*" },
FirstName = model.FirstName,
LastName = model.LastName,
AccessToken = model.AccessToken,
FacebookId = model.FacebookId,
Expires = model.Expires,
AccountHash = System.Uri.EscapeDataString(crypto.Hash(model.FacebookId.ToString()))
});
//Save Changes
Session.SaveChanges();
return Session.Load<AccountUserDocument>(String.Format("FacebookTest/Users/{0}", userId));
}
}
}
public AccountUserDocument ActivateFacebookAccount(FbModel model)
{
using (IDocumentSession Session = DataDocumentStore.Instance.OpenSession())
{
var user = Session.Query<AccountUserDocument>().Where(x => x.AccountHash == model.Code).SingleOrDefault();
if (user != null)
{
user.Email = model.Email;
user.SetPassword(model.Password);
Session.SaveChanges();
return user;
}
else
{
throw new UserNotFoundException("User was not found while trying to active facebook acount", new Exception("AccountHash is " + model.Code));
}
}
}
public ActionResult FbAuth(string returnUrl)
{
var client = new FacebookClient();
try
{
var oauthResult = client.ParseOAuthCallbackUrl(Request.Url);
// Build the Return URI form the Request Url
var redirectUri = new UriBuilder(Request.Url);
redirectUri.Path = Url.Action("FbAuth", "Account");
//Get the Public Uri due to apphabor getting all "cloudy" with ports
var urlHelper = new UrlHelper(Request.RequestContext);
var publicUrl = urlHelper.ToPublicUrl(redirectUri.Uri);
// Exchange the code for an access token
dynamic result = client.Get("/oauth/access_token", new
{
client_id = ConfigurationManager.AppSettings["FacebookAppId"],
redirect_uri = publicUrl,
client_secret = ConfigurationManager.AppSettings["FacebookAppSecret"],
code = oauthResult.Code,
});
// Read the auth values
string accessToken = result.access_token;
DateTime expires = DateTime.UtcNow.AddSeconds(Convert.ToDouble(result.expires));
// Get the user's profile information
dynamic me = client.Get("/me",
new
{
fields = "first_name,last_name,email",
access_token = accessToken
});
//Instantiate FbModel
var model = new FbModel();
// Read the Facebook user values
model.FacebookId = Convert.ToInt64(me.id);
model.FirstName = me.first_name;
model.LastName = me.last_name;
model.Email = me.email;
// Add the user to our persistent store
var user = AccountService.AddOrUpdateFacebookUser(model);
//Check if the account requires the password to be set
if (string.IsNullOrEmpty(user.Email))
{
return RedirectToAction("RegisterFacebook", "Account", new { @code = user.AccountHash });
}
else
{
AuthenticateUser(user.Id, user.FirstName, user.LastName, user.Email, user.FacebookId, user.AccessToken);
return RedirectToAction("Index", "Home");
}
}
catch (Exception ex)
{
Elmah.ErrorSignal.FromCurrentContext().Raise(ex);
}
return RedirectToAction("Content", "Error");
}
public ActionResult RegisterFacebook(FbModel model)
{
if (ModelState.IsValid)
{
try
{
var user = AccountService.ActivateFacebookAccount(model);
AuthenticateUser(user.Id, user.FirstName, user.LastName, user.Email, user.FacebookId, user.AccessToken);
return RedirectToAction("Home", "Index");
}
catch (UserNotFoundException ex)
{
return RedirectToAction("Error", "Content");
}
}
else
{
return View(model);
}
}
