public async Task<ActionResult> ExternalLoginConfirmation(ExternalLoginConfirmationViewModel model)
{
if (User.Identity.IsAuthenticated)
{
return RedirectToLocal(model.ReturnUrl);
}
// Get the information about the user from the external login provider
var loginInfo = await AuthenticationManager.GetExternalLoginInfoAsync();
if (loginInfo == null)
{
return View("ExternalLoginFailure");
}
ApplicationUser existingUser = await UserManager.FindByEmailAsync(loginInfo.Email);
if (existingUser != null)
{
var existingLogins = await UserManager.GetLoginsAsync(existingUser.Id);
// Another user with the same email exists
ViewBag.LoginProvider = loginInfo.Login.LoginProvider;
return View("ExternalLoginConfirmation", new ExternalLoginConfirmationViewModel() { ReturnUrl = model.ReturnUrl, Email = loginInfo.Email, ExistingLogins = existingLogins });
}
var user = new ApplicationUser { UserName = loginInfo.DefaultUserName, Email = loginInfo.Email };
var result = await UserManager.CreateAsync(user);
if (result.Succeeded)
{
result = await UserManager.AddLoginAsync(user.Id, loginInfo.Login);
if (result.Succeeded)
{
await SignInManager.SignInAsync(user, isPersistent: false, rememberBrowser: false);
// This must be done for claim changes to be included in the current app cookie? Why MVC...
var authenticationContext = await AuthenticationManager.AuthenticateAsync(DefaultAuthenticationTypes.ExternalCookie);
if (authenticationContext != null)
{
AuthenticationManager.AuthenticationResponseGrant = new AuthenticationResponseGrant(
await UserManager.CreateIdentityAsync(user, DefaultAuthenticationTypes.ApplicationCookie),
authenticationContext.Properties);
}
return RedirectToLocal(model.ReturnUrl);
}
}
AddErrors(result);
// Some user creation error
return View("ExternalLoginFailure");
}
public async Task<ActionResult> ExternalLoginConfirmation(ExternalLoginConfirmationViewModel model, string returnUrl)
{
if (User.Identity.IsAuthenticated)
{
return RedirectToAction("Index", "Manage");
}
if (ModelState.IsValid)
{
// Get the information about the user from the external login provider
var info = await AuthenticationManager.GetExternalLoginInfoAsync();
if (info == null)
{
return View("ExternalLoginFailure");
}
var user = new ApplicationUser { UserName = model.Email, Email = model.Email };
var result = await UserManager.CreateAsync(user);
if (result.Succeeded)
{
result = await UserManager.AddLoginAsync(user.Id, info.Login);
if (result.Succeeded)
{
await SignInManager.SignInAsync(user, isPersistent: false, rememberBrowser: false);
return RedirectToLocal(returnUrl);
}
}
AddErrors(result);
}
ViewBag.ReturnUrl = returnUrl;
return View(model);
}