public async Task <ActionResult> ExternalLoginConfirmation(ExternalLoginConfirmationViewModel model, string returnUrl)
{
var vkClaimCookies = await AuthenticationManager.AuthenticateAsync(DefaultAuthenticationTypes.ExternalCookie);
if (User.Identity.IsAuthenticated)
{
return(RedirectToAction("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.UserName
};
var result = await UserManager.CreateAsync(user);
if (result.Succeeded)
{
var vkClaim = vkClaimCookies.Identity.FindFirst("VKAccessToken");
result = await UserManager.AddLoginAsync(user.Id, info.Login);
if (result.Succeeded)
{
var vkAuthService = new VkAuthService();
vkAuthService.CreateOrUpdateUserAccessToken(vkClaim.Value, user.Id);
await SignInAsync(user, isPersistent : false);
return(RedirectToLocal(returnUrl));
}
}
AddErrors(result);
}
ViewBag.ReturnUrl = returnUrl;
return(View(model));
}
public async Task <ActionResult> ExternalLoginCallback(string returnUrl)
{
var req = Request;
var result = await AuthenticationManager.AuthenticateAsync(DefaultAuthenticationTypes.ExternalCookie);
if (result == null || result.Identity == null)
{
return(RedirectToAction("Login"));
}
var idClaim = result.Identity.FindFirst(ClaimTypes.NameIdentifier);
if (idClaim == null)
{
return(RedirectToAction("Login"));
}
var login = new UserLoginInfo(idClaim.Issuer, idClaim.Value);
var name = result.Identity.Name == null ? "" : result.Identity.Name.Replace(" ", "");
// Sign in the user with this external login provider if the user already has a login
var user = await UserManager.FindAsync(login);
if (user != null)
{
var vkClaim = result.Identity.FindFirst("VKAccessToken");
var vkAuthService = new VkAuthService();
vkAuthService.CreateOrUpdateUserAccessToken(vkClaim.Value, user.Id);
await SignInAsync(user, isPersistent : false);
return(RedirectToLocal(returnUrl));
}
else
{
// If the user does not have an account, then prompt the user to create an account
ViewBag.ReturnUrl = returnUrl;
ViewBag.LoginProvider = login.LoginProvider;
return(View("ExternalLoginConfirmation", new ExternalLoginConfirmationViewModel {
UserName = name
}));
}
}
