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, Hometown = model.Hometown };
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);
}
public async Task<ActionResult> ExternalLoginCallback(string returnUrl)
{
var loginInfo = await AuthenticationManager.GetExternalLoginInfoAsync();
if (loginInfo == null)
{
return RedirectoToLogin();
}
// ユーザーが既にログインを持っている場合、この外部ログイン プロバイダーを使用してユーザーをサインインします
var result = await SignInManager.ExternalSignInAsync(loginInfo, isPersistent: false);
switch (result)
{
case SignInStatus.Success:
return RedirectToLocal(returnUrl);
case SignInStatus.LockedOut:
return LockoutView();
case SignInStatus.RequiresVerification:
return RedirectToSendCode(returnUrl);
case SignInStatus.Failure:
default:
// ユーザーがアカウントを持っていない場合、ユーザーにアカウントを作成するよう求めます
ViewBag.ReturnUrl = returnUrl;
ViewBag.LoginProvider = loginInfo.Login.LoginProvider;
var model = new ExternalLoginConfirmationViewModel { Email = loginInfo.Email };
return ExternalLoginConfirmationView(model);
}
}
public async Task<ActionResult> ExternalLoginConfirmation(ExternalLoginConfirmationViewModel model, string returnUrl)
{
if (User.Identity.IsAuthenticated)
{
return RedirectToManageIndex();
}
if (!ModelState.IsValid)
{
ViewBag.ReturnUrl = returnUrl;
return ExternalLoginConfirmationView(model);
}
// 外部ログイン プロバイダーからユーザーに関する情報を取得します
var info = await AuthenticationManager.GetExternalLoginInfoAsync();
if (info == null)
{
return ExternalLoginFailureView();
}
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 ExternalLoginConfirmationView(model);
}
private ActionResult ExternalLoginConfirmationView(ExternalLoginConfirmationViewModel model)
{
return View(ViewNames.ExternalLoginConfirmation, model);
}