Symfony2 Custom Login Even Listener

LoginListener.php

<?php

namespace Acme\UserBundle\Listener;

use Symfony\Component\Security\Http\Event\InteractiveLoginEvent;
use Symfony\Component\Security\Core\SecurityContext;
use Doctrine\Bundle\DoctrineBundle\Registry as Doctrine; // for Symfony 2.1.0+
// use Symfony\Bundle\DoctrineBundle\Registry as Doctrine; // for Symfony 2.0.x

/**
 * Custom login listener.
 */
class LoginListener
{
	/** @var \Symfony\Component\Security\Core\SecurityContext */
	private $securityContext;
	
	/** @var \Doctrine\ORM\EntityManager */
	private $em;
	
	/**
	 * Constructor
	 * 
	 * @param SecurityContext $securityContext
	 * @param Doctrine        $doctrine
	 */
	public function __construct(SecurityContext $securityContext, Doctrine $doctrine)
	{
		$this->securityContext = $securityContext;
		$this->em              = $doctrine->getEntityManager();
	}
	
	/**
	 * Do the magic.
	 * 
	 * @param InteractiveLoginEvent $event
	 */
	public function onSecurityInteractiveLogin(InteractiveLoginEvent $event)
	{
		if ($this->securityContext->isGranted('IS_AUTHENTICATED_FULLY')) {
			// user has just logged in
		}
		
		if ($this->securityContext->isGranted('IS_AUTHENTICATED_REMEMBERED')) {
			// user has logged in using remember_me cookie
		}
		
		// do some other magic here
		$user = $event->getAuthenticationToken()->getUser();
		
		// ...
	}
}

To redirect you must use the event dispatcher and the router service

$this->getDispatcher()->addListener(KernelEvents::RESPONSE, function(FilterResponseEvent $event) {
    $event->setResponse(new RedirectResponse($this->router->generate("your_path")));
});