public async Task <IActionResult> ExternalLoginCallback(string returnUrl = null, string remoteError = null)
{
if (remoteError != null)
{
return(Render(ExternalLoginStatus.Error));
}
var info = await _signInManager.GetExternalLoginInfoAsync();
if (info == null)
{
return(Render(ExternalLoginStatus.Invalid));
}
// Sign in the user with this external login provider if the user already has a login.
var result = await _signInManager.ExternalLoginSignInAsync(info.LoginProvider, info.ProviderKey, isPersistent : false);
var email = info.Principal.FindFirstValue(ClaimTypes.Email);
if (result.Succeeded)
{
var user = _userManager.FindByEmailAsync(email).Result;
IList <string> roles = _userManager.GetRolesAsync(user).Result;
if (_accountHelper.IsAccountActive(email))
{
return(RedirectToAction("Index", "Home"));
}
else
{
return(RedirectToAction("Unauthorized"));
}
}
if (result.RequiresTwoFactor)
{
return(Render(ExternalLoginStatus.TwoFactor));
}
if (result.IsLockedOut)
{
return(Render(ExternalLoginStatus.Lockout));
}
else
{
ViewData["ReturnUrl"] = returnUrl;
ViewData["LoginProvider"] = info.LoginProvider;
info.Principal.FindFirstValue(ClaimTypes.Email);
string roleName = _accountHelper.GetRoleForEmail(email);
if (string.IsNullOrEmpty(roleName))
{
return(RedirectToAction("NotRegistered"));
}
var user = new QRecruitmentUser {
UserName = email, Email = email, CreatedDate = DateTime.Now
};
var createUserTaskResult = _userManager.CreateAsync(user).Result;
IdentityResult roleCreationResult = null;
if (!_roleManager.RoleExistsAsync(roleName).Result)
{
roleCreationResult = _roleManager.CreateAsync(new QRecruitmentRole(roleName)).Result;
}
if (createUserTaskResult.Succeeded)
{
var createLoginTaskResult = _userManager.AddLoginAsync(user, info).Result;
var addUserToRoleTaskResult = _userManager.AddToRoleAsync(user, roleName).Result;
if (createLoginTaskResult.Succeeded)
{
await _signInManager.SignInAsync(user, isPersistent : false);
return(RedirectToAction("Index", "Home"));
}
}
if (createUserTaskResult.Errors.First().Code == "DuplicateUserName")
{
return(RedirectToAction("DuplicateUserError"));
}
return(RedirectToAction("UserCreationError"));
}
//else
//{
// // If the user does not have an account, then ask the user to create an account.
// // ViewData["ReturnUrl"] = returnUrl;
// // ViewData["LoginProvider"] = info.LoginProvider;
// // var email = info.Principal.FindFirstValue(ClaimTypes.Email);
// // return RedirectToAction("Index", "Home", new ExternalLoginCreateAccountViewModel { Email = email });
// return Render(ExternalLoginStatus.CreateAccount);
//}
}
