public async Task <IActionResult> OnPostAsync(string returnUrl = null)
{
ReturnUrl = returnUrl ?? "/Admin";
if (ModelState.IsValid)
{
var user = await _dbHelper.AuthenticateUser(UserName, Password);
if (!user)
{
ModelState.AddModelError(string.Empty, "Invalid login attempt.");
return(Page());
}
var claims = new List <Claim>
{
new Claim(ClaimTypes.Name, UserName),
new Claim(ClaimTypes.Role, "Admin")
};
var claimsIdentity = new ClaimsIdentity(claims, CookieAuthenticationDefaults.AuthenticationScheme);
await HttpContext.SignInAsync(CookieAuthenticationDefaults.AuthenticationScheme, new ClaimsPrincipal(claimsIdentity));
return(RedirectToPage(ReturnUrl));
}
// Something failed. Redisplay the form.
return(Page());
}