bool ValidLogin(Login login)
{
//gets user identity details
UserStore<IdentityUser> userStore = new UserStore<IdentityUser>();
UserManager<IdentityUser> userManager = new UserManager<IdentityUser>(userStore)
{
UserLockoutEnabledByDefault = true,
DefaultAccountLockoutTimeSpan = new TimeSpan(0, 10, 0),
MaxFailedAccessAttemptsBeforeLockout = 3
};
var user = userManager.FindByName(login.UserName);
if (user == null)
return false;
// User is locked out.
if (userManager.SupportsUserLockout && userManager.IsLockedOut(user.Id))
return false;
// Validated user was locked out but now can be reset.
if (userManager.CheckPassword(user, login.Password)
&& userManager.IsEmailConfirmed(user.Id))
{
if (userManager.SupportsUserLockout
&& userManager.GetAccessFailedCount(user.Id) > 0)
{
userManager.ResetAccessFailedCount(user.Id);
}
}
// Login is invalid so increment failed attempts.
else
{
bool lockoutEnabled = userManager.GetLockoutEnabled(user.Id);
if (userManager.SupportsUserLockout && userManager.GetLockoutEnabled(user.Id))
{
userManager.AccessFailed(user.Id);
return false;
}
}
return true;
}
public ActionResult Index(Login login)
{
// UserStore and UserManager manages data retreival.
UserStore<IdentityUser> userStore = new UserStore<IdentityUser>();
UserManager<IdentityUser> manager = new UserManager<IdentityUser>(userStore);
IdentityUser identityUser = manager.Find(login.UserName,
login.Password);
//when user logs in checks model requirements to ensure valid input
if (ModelState.IsValid)
{
//calls method to check valid credentials
if (ValidLogin(login))
{
//if credentials are valid retrieve user identity from database
IAuthenticationManager authenticationManager
= HttpContext.GetOwinContext().Authentication;
authenticationManager
.SignOut(DefaultAuthenticationTypes.ExternalCookie);
var identity = new ClaimsIdentity(new[] {
new Claim(ClaimTypes.Name, login.UserName),
},
DefaultAuthenticationTypes.ApplicationCookie,
ClaimTypes.Name, ClaimTypes.Role);
// SignIn() accepts ClaimsIdentity and issues logged in cookie.
authenticationManager.SignIn(new AuthenticationProperties
{
IsPersistent = false
}, identity);
return RedirectToAction("SecureArea", "Home");
}
}
return View();
}