public AuthenticationResult SignIn(string username, string password)
{
PrincipalContext principalContext = new PrincipalContext(ContextType.Domain);
bool isAuthenticated = false;
UserPrincipal userPrincipal = null;
try
{
isAuthenticated = principalContext.ValidateCredentials(username, password, ContextOptions.Negotiate);
if (isAuthenticated)
{
userPrincipal = UserPrincipal.FindByIdentity(principalContext, username);
}
}
catch (Exception)
{
isAuthenticated = false;
userPrincipal = null;
}
if (!isAuthenticated || userPrincipal == null)
{
return(AuthenticationResult.FAILED("Username or Password is not correct."));
}
if (userPrincipal.IsAccountLockedOut())
{
return(AuthenticationResult.FAILED("Your account is locked."));
}
if (userPrincipal.Enabled.HasValue && userPrincipal.Enabled.Value == false)
{
return(AuthenticationResult.FAILED("Your account is disabled."));
}
ClaimsIdentity identity = CreateIdentity(userPrincipal);
authenticationManager.SignOut(AUTHENTICATION.ApplicationCookie);
authenticationManager.SignIn(new AuthenticationProperties()
{
IsPersistent = false
}, identity);
return(AuthenticationResult.SUCCESS());
}