public async Task<ActionResult> ExternalLoginConfirmation(ExternalLoginConfirmationViewModel model, string returnUrl)
{
if (User.Identity.IsAuthenticated)
{
return RedirectToAction("Index", "Manage");
}
if (ModelState.IsValid)
{
// 從外部登入提供者處取得使用者資訊
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);
}
public async Task<ActionResult> ExternalLoginCallback(string returnUrl)
{
var loginInfo = await AuthenticationManager.GetExternalLoginInfoAsync();
if (loginInfo == null)
{
return RedirectToAction("Index","Home");
}
//return RedirectToLocal(returnUrl);
// 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:
Session["uid"] = loginInfo.ExternalIdentity.FindAll("urn:facebook:id").First().Value;
Session["access_token"] = loginInfo.ExternalIdentity.FindAll("FacebookAccessToken").First().Value;
return RedirectToLocal(returnUrl);
case SignInStatus.LockedOut:
return View("Lockout");
//case SignInStatus.RequiresVerification:
// return RedirectToAction("SendCode", new { ReturnUrl = returnUrl, RememberMe = false });
case SignInStatus.Failure:
default:
// If the user does not have an account, then prompt the user to create an account
ViewBag.ReturnUrl = returnUrl;
ViewBag.LoginProvider = loginInfo.Login.LoginProvider;
ExternalLoginConfirmationViewModel model = new ExternalLoginConfirmationViewModel { Name = loginInfo.ExternalIdentity.Name, Email = loginInfo.Email };
var user = new ApplicationUser { UserName = model.Name, Email = model.Email };
var newAccResult = await UserManager.CreateAsync(user);
if (newAccResult.Succeeded)
{
newAccResult = await UserManager.AddLoginAsync(user.Id, loginInfo.Login);
if (newAccResult.Succeeded)
{
await SignInManager.SignInAsync(user, isPersistent: false, rememberBrowser: false);
return RedirectToLocal(returnUrl);
}
}
AddErrors(newAccResult);
return RedirectToAction("ExternalLoginFailure", "Account");
}
}