How to get jwt token from controller (user already logged in)

Question

So I'm using Lexik JWT bundle (Symfony 2.8) to authenticate over Google and when user is logging in it works well. My Success handler looks like this:

public function onAuthenticationSuccess(Request $request, TokenInterface $token)
{
    $user = $token->getUser();
    $jwt  = $this->jwtManager->create($user);
    $response = new JsonResponse();
    $event    = new AuthenticationSuccessEvent(['token' => $jwt], $user, $response);
    $this->dispatcher->dispatch(Events::AUTHENTICATION_SUCCESS, $event);
    $redirectResponse = new RedirectResponse('http://localhost:3000?token='.$event->getData()['token']."&username=".$user->getUsername());
    return $redirectResponse;
}

So I'm redirecting user to some localhost and passing token as "token" get variable and that works well. Later I can pass that token value trough header and I get authenticated.

Problem is - I want to get the same token from my controller. I'm using the similar code:

$jwtManager = $this->get('lexik_jwt_authentication.jwt_manager');

$tokenStorage = $this->get('security.token_storage');
$token = $tokenStorage->getToken();

$user = $token->getUser();
$jwt  = $jwtManager->create($user);
$response = new JsonResponse();
$event    = new AuthenticationSuccessEvent(['token' => $jwt], $user, $response);
$token = $event->getData()['token'];
echo $token;

And I really get some token, but that's not the same one I get from success handler. Tried passing it as header "Autorization" parameter, but it doesn't work. I'm getting 401 error and message:

Unable to verify the given JWT through the given configuration. If the \"lexik_jwt_authentication.encoder\" encryption options have been changed since your last authentication, please renew the token. If the problem persists, verify that the configured keys/passphrase are valid.

What I'm doing wrong here? Why I'm getting different token and how can I get token I'm getting form success handler?

score 5 · Accepted Answer · answered Sep 21 '17 at 12:48

5

Found the solution. It goes like:

$user = $this->get('security.token_storage')->getToken()->getUser();
$jwtManager = $this->get('lexik_jwt_authentication.jwt_manager');
$token = $jwtManager->create($user);

answered Sep 21 '17 at 12:48

MilanG

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This will generate a new JWT – Mokhtar Tlili Oct 12 '22 at 15:49

score 0 · Answer 2 · answered Aug 20 '19 at 19:24

I know this is an old question, but I found a solution that let you use the token anywhere, not just in the controller.

Instead of using TokenInterface, use TokenStorageInterface

public function __construct(TokenStorageInterface $tokenStorage) {
        $this->token = $tokenStorage->getToken();
        $this->user = $this->token->getUser();
}

How to get jwt token from controller (user already logged in)

2 Answers2