public async Task <IActionResult> Login(LoginInputModel model, string button)
{
if (button != "login")
{
// the user clicked the "cancel" button
var context = await _interaction.GetAuthorizationContextAsync(model.ReturnUrl);
if (context != null)
{
// if the user cancels, send a result back into IdentityServer as if they
// denied the consent (even if this client does not require consent).
// this will send back an access denied OIDC error response to the client.
await _interaction.GrantConsentAsync(context, ConsentResponse.Denied);
// we can trust model.ReturnUrl since GetAuthorizationContextAsync returned non-null
return(Redirect(model.ReturnUrl));
}
else
{
// since we don't have a valid context, then we just go back to the home page
return(Redirect("~/"));
}
}
if (ModelState.IsValid)
{
//check here if password provided is pwned or not ?
//if pwd is pwned then show error msg
var isPwdPwned = await _pwnedPwdService.IsPasswordPwned(model.Password);
if (isPwdPwned)
{
await _events.RaiseAsync(new UserLoginFailureEvent(model.Username, "Pwned Password"));
ModelState.AddModelError("", AccountOptions.PasswordPawnedErrorMessage);
}
else
{
var result = await _signInManager.PasswordSignInAsync(model.Username, model.Password, model.RememberLogin, lockoutOnFailure : true);
if (result.Succeeded)
{
var user = await _userManager.FindByNameAsync(model.Username);
await _events.RaiseAsync(new UserLoginSuccessEvent(user.UserName, user.Id, user.UserName));
// make sure the returnUrl is still valid, and if so redirect back to authorize endpoint or a local page
// the IsLocalUrl check is only necessary if you want to support additional local pages, otherwise IsValidReturnUrl is more strict
if (_interaction.IsValidReturnUrl(model.ReturnUrl) || Url.IsLocalUrl(model.ReturnUrl))
{
return(Redirect(model.ReturnUrl));
}
return(Redirect("~/"));
}
await _events.RaiseAsync(new UserLoginFailureEvent(model.Username, "invalid credentials"));
ModelState.AddModelError("", AccountOptions.InvalidCredentialsErrorMessage);
}
}
// something went wrong, show form with error
var vm = await BuildLoginViewModelAsync(model);
return(View(vm));
}
