How to get userid from eventlistener which are called from AJAX

Question

I am using symfony2 and FOSUserBundle.

Normally,I can get user data from Controller

$user = $this->get(\'security.context\')->getToken()->g         


        

Answer 1

You need to inject the container via Dependency Injection into your listener class in order to acccess it.

Read more about it in the book chapter.

your.listener:
    class: Acme\MemberBundle\EventListener\CalendarEventListener
    arguments: ["@service_container"]

Though injecting the whole container is performance-wise not the best idea among with some other reasons like testability ( you should normally only inject the services you need in your class instead of the container )...

...in your case if you aren't using a UserCallable you will get a circular reference when injecting @security.context.

So the quickest solution is injecting the container and adjusting your listener's constructor:

private $container;

public function __construct(ContainerInterface $container)
{
    $this->container = $container;
}



public function someOtherMethod()
{
    $user = $this->container->get('security.context')->getToken()->getUser();

    // ...
}

Answer 2

As of Symfony 2.6 this issue should be fixed. A pull request has just been accepted into the master. Your problem is described in here. https://github.com/symfony/symfony/pull/11690

As of Symfony 2.6, you can inject the security.token_storage into your listener. This service will contain the token as used by the SecurityContext in <=2.5. In 3.0 this service will replace the SecurityContext::getToken() altogether. You can see a basic change list here: http://symfony.com/blog/new-in-symfony-2-6-security-component-improvements#deprecated-the-security-context-service

Example usage in 2.6:

Your configuration:

services:
    my.listener:
        class: EntityListener
        arguments:
            - "@security.token_storage"
        tags:
            - { name: doctrine.event_listener, event: prePersist }

Your Listener

use Doctrine\ORM\Event\LifecycleEventArgs;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;

class EntityListener
{
    private $token_storage;

    public function __construct(TokenStorageInterface $token_storage)
    {
        $this->token_storage = $token_storage;
    }

    public function prePersist(LifeCycleEventArgs $args)
    {
        $entity = $args->getEntity();
        $entity->setCreatedBy($this->token_storage->getToken()->getUsername());
    }
}

Answer 3

Be sure to not have the Symfony profiler/toolbar turned on. I don't know why, but that made $this->container->get('security.context')->getToken() return null every time.

In the file, config_dev.yml make sure the following is set:

web_profiler:
  toolbar: false