public async Task<ActionResult> ExternalLoginCallback(string returnUrl)
{
var loginInfo = await AuthenticationManager.GetExternalLoginInfoAsync();
if (loginInfo == null)
{
return RedirectToAction("Login");
}
// Sign in the user with this external login provider if the user already has a login
var result = await SignInManager.ExternalSignInAsync(loginInfo, isPersistent: false);
switch (result)
{
case SignInStatus.Success:
return RedirectToLocal(returnUrl);
case SignInStatus.Failure:
default:
// If the user does not have an account, create account with external provider login
// in reality, we might ask for providing e-mail (+ confirming it)
// we also need some error checking logic (ie. verification if user doesn't already exist)
var user = new ApplicationUser
{
UserName = loginInfo.Email,
Email = loginInfo.Email,
UserData = new UserData { Email = loginInfo.Email }
};
var registrationResult = await UserManager.CreateAsync(user);
if (registrationResult.Succeeded)
{
registrationResult = await UserManager.AddLoginAsync(user.Id, loginInfo.Login);
if (registrationResult.Succeeded)
{
await SignInManager.SignInAsync(user, isPersistent: false, rememberBrowser: false);
return RedirectToLocal(returnUrl);
}
else
throw new Exception("External provider association error");
}
else
throw new Exception("Registration error");
}
}
public async Task<ActionResult> Register(RegisterViewModel model)
{
if (ModelState.IsValid)
{
var user = new ApplicationUser { UserName = model.Email, Email = model.Email, UserData = new UserData() };
var result = await UserManager.CreateAsync(user, model.Password);
if (result.Succeeded)
{
await SignInManager.SignInAsync(user, isPersistent: false, rememberBrowser: false);
// For more information on how to enable account confirmation and password reset please visit http://go.microsoft.com/fwlink/?LinkID=320771
// Send an email with this link
// string code = await UserManager.GenerateEmailConfirmationTokenAsync(user.Id);
// var callbackUrl = Url.Action("ConfirmEmail", "Account", new { userId = user.Id, code = code }, protocol: Request.Url.Scheme);
// await UserManager.SendEmailAsync(user.Id, "Confirm your account", "Please confirm your account by clicking <a href=\"" + callbackUrl + "\">here</a>");
return RedirectToAction("Index", "Home");
}
AddErrors(result);
}
// If we got this far, something failed, redisplay form
return View(model);
}
private async Task SignInAsync(ApplicationUser user, bool isPersistent)
{
AuthenticationManager.SignOut(DefaultAuthenticationTypes.ExternalCookie, DefaultAuthenticationTypes.TwoFactorCookie);
AuthenticationManager.SignIn(new AuthenticationProperties { IsPersistent = isPersistent }, await user.GenerateUserIdentityAsync(UserManager));
}
