How to get the current logged User in a service

Question

In Symfony 2.8/3.0, with our fancy new security components, how do I get the currently logged User (i.e. FOSUser) object in a service without

Answer 1

From Symfony 3.3, from a Controller only, according this blog post: https://symfony.com/blog/new-in-symfony-3-2-user-value-resolver-for-controllers

It's easy as:

use Symfony\Component\Security\Core\User\UserInterface

public function indexAction(UserInterface $user)
{...}