digipolisgent/symfony_bundle_syslog

<?php

namespace DigipolisGent\SyslogBundle\Monolog\Processor;

use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;

/**
 * Processor that adds a uid to the extra key of a log record.
 */
class UidProcessor
{

    /**
     * @var TokenStorageInterface
     */
    protected $tokenStorage;

    /**
     * Creates a new UidProcessor.
     *
     * @param TokenStorageInterface $tokenStorage
     */
    public function __construct(TokenStorageInterface $tokenStorage)
    {
        $this->tokenStorage = $tokenStorage;
    }

    /**
       * Adds the uid to the record's extra key.
       *
       * @param array $record
       *
       * @return array
       */
    public function __invoke(array $record)
    {
        // client_ip will hold the request's actual origin address
        $record['extra']['uid'] = 0;

        if (null === $token = $this->tokenStorage->getToken()) {
            return $record;
        }

        if (!$user = $token->getUser()) {
            // e.g. anonymous authentication
            return $record;
        }

        $record['extra']['uid'] = is_scalar($user)
            ? $user
            : (method_exists($user, 'getId')
                ? $user->getId()
                : $user->getUsername()
            );

        return $record;
    }
}