public async Task<IdentityResult> AddExternalLogin(IPrincipal user, AddExternalLoginModel model, AuthenticationTicket ticket)
{
AuthenticationManager.SignOut(DefaultAuthenticationTypes.ExternalCookie);
if (ticket == null || ticket.Identity == null || (ticket.Properties != null
&& ticket.Properties.ExpiresUtc.HasValue && ticket.Properties.ExpiresUtc.Value < DateTimeOffset.UtcNow))
{
return new IdentityResult("External login failure.");
}
var externalData = ExternalLoginData.FromIdentity(ticket.Identity);
if (externalData == null) return new IdentityResult("The external login is already associated with an account.");
return await UserManager.AddLoginAsync(user.Identity.GetUserId(), new UserLoginInfo(externalData.LoginProvider, externalData.ProviderKey));
}
public async Task<IHttpActionResult> AddExternalLogin(AddExternalLoginModel model)
{
return await RunTask(() => AccountManager.AddExternalLogin(User, model, AccessTokenFormat.Unprotect(model.ExternalAccessToken)));
}