I've been battling this for Symfony4, and I think I've finally settled down to a solution.
The thing is that in my case, the roles depend on the "company" the user is working with. It may be a CEO in one company, but an operator in another one, and the menus, permissions, etc. depend on the company. When switching companies, the user must not re-login.
Finally I've done the following:
- Set the firewall to stateless.
- In the FormAuthentication class, I set an attribute in the session explicitely, with the username.
- I set up another Guard, which essentially take this attribute and loads the user for it from the database, for every single request.
class FormAuthenticator extends AbstractFormLoginAuthenticator
{
/** Constructor omitted */
public function supports(Request $request)
{
return 'app_login' === $request->attributes->get('_route')
&& $request->isMethod('POST');
}
public function getCredentials(Request $request)
{
$credentials = [
'nomusuari' => $request->request->get('nomusuari'),
'password' => $request->request->get('password'),
'csrf_token' => $request->request->get('_csrf_token'),
];
$request->getSession()->set(
Security::LAST_USERNAME,
$credentials['nomusuari']
);
return $credentials;
}
public function getUser($credentials, UserProviderInterface $userProvider)
{
$token = new CsrfToken('authenticate', $credentials['csrf_token']);
if (!$this->csrfTokenManager->isTokenValid($token)) {
throw new InvalidCsrfTokenException();
}
$user = $userProvider->loadUserByUsername($credentials['nomusuari']);
if (!$user) {
// fail authentication with a custom error
throw new CustomUserMessageAuthenticationException('Invalid user/password');
}
return $user;
}
public function checkCredentials($credentials, UserInterface $user)
{
$valid = $this->passwordEncoder->isPasswordValid($user, $credentials['password']);
return $valid;
}
public function onAuthenticationSuccess(Request $request, TokenInterface $token, $providerKey)
{
$request->getSession()->set("user_username",$token->getUsername());
return new RedirectResponse(
$this->urlGenerator->generate("main")
);
}
protected function getLoginUrl()
{
return $this->urlGenerator->generate('app_login');
}
}
The SessionAuthenticator (returns JSON, you may have to adapt it):
class SessionAuthenticator extends AbstractGuardAuthenticator
{
/**
* Called on every request to decide if this authenticator should be
* used for the request. Returning `false` will cause this authenticator
* to be skipped.
*/
public function supports(Request $request)
{
return $request->getSession()->has("user_username");
}
/**
* Called on every request. Return whatever credentials you want to
* be passed to getUser() as $credentials.
*/
public function getCredentials(Request $request)
{
return $request->getSession()->get("user_username","");
}
public function getUser($credentials, UserProviderInterface $userProvider)
{
if (null === $credentials) {
// The token header was empty, authentication fails with HTTP Status
// Code 401 "Unauthorized"
return null;
}
// if a User is returned, checkCredentials() is called
/*return $this->em->getRepository(User::class)
->findOneBy(['apiToken' => $credentials])
;*/
return $userProvider->loadUserByUsername($credentials);
}
public function checkCredentials($credentials, UserInterface $user)
{
// Check credentials - e.g. make sure the password is valid.
// In case of an API token, no credential check is needed.
// Return `true` to cause authentication success
return true;
}
public function onAuthenticationSuccess(Request $request, TokenInterface $token, $providerKey)
{
// on success, let the request continue
return null;
}
public function onAuthenticationFailure(Request $request, AuthenticationException $exception)
{
$data = [
// you may want to customize or obfuscate the message first
'message' => strtr($exception->getMessageKey(), $exception->getMessageData())
// or to translate this message
// $this->translator->trans($exception->getMessageKey(), $exception->getMessageData())
];
return new JsonResponse($data, Response::HTTP_UNAUTHORIZED);
}
/**
* Called when authentication is needed, but it's not sent
*/
public function start(Request $request, AuthenticationException $authException = null)
{
$data = [
// you might translate this message
'message' => 'Authentication Required'
];
return new JsonResponse($data, Response::HTTP_UNAUTHORIZED);
}
public function supportsRememberMe()
{
return false;
}
}
Finally, my security.yaml:
main:
anonymous:
stateless: true
guard:
entry_point: App\Security\FormAuthenticator
authenticators:
- App\Security\SessionAuthenticator
- App\Security\FormAuthenticator
Working fine. I can see the changes in the toolbar, and the Roles are refreshed.
HTH,
Esteve
