Generate a token manually in controller - LexikJWTAuthenticationBundle

SecurityController.php

<?php

namespace App\UserBundle\Controller;

use Doctrine\ORM\EntityManager;
use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpFoundation\Request;

/**
 * Mangages users authentication in API.
 *
 * @author Robin Chalas
 */
class SecurityController extends Controller
{
    /**
     * Register new user account and returns token. 
     * 
     * @param Request $request
     */
    public function registerUserAccountAction(Request $request)
    {
        $data = $request->request->all();
        $userManager = $this->getUserManager();

        return $this->generateToken($this->createUser($data), 201);
    }
    
    /**
     * Creates new User.
     *
     * @param array  $data
     *
     * @return User $user
     */
    protected function createUser($data)
    {
        $userManager = $this->getUserManager();

        $user = $userManager->createUser();
        $user->setUsername($data['name']);
        $user->setEmail($data['email']);
        $user->setPlainPassword($data['password']);
        $user->setEnabled(true);
        $userManager->updateUser($user);
        
        return $user;
    }
    
    /**
     * Generates a JsonWebToken from user.
     */
    protected function generateToken($user, $statusCode = 200)
    {
        // Call the jwt_manager service & create the token
        $token = $this->get('lexik_jwt_authentication.jwt_manager')->create($user);

        // If you want, add some user informations
        $userInformations = array(
            'id'       => $user->getId(),
            'username' => $user->getUsername(),
            'email'    => $user->getEmail(),
            'roles'    => $user->getRoles(),
        );

        // Build your response
        $response = array(
            'token' => $token,
            'user'  => $user,   
        );

        // Return the response in JSON format
        return new JsonResponse($response, $statusCode);
    }
}