analytics.php

<?php
require_once "../../functions/lib_tracker.php";
require_once "../../functions/lib_mysql.php";

$payload = json_encode(Array(
  "ip" => get_client_ip(),
  "url" => $_SERVER["HTTP_REFERER"],
  "ua" => $_SERVER["HTTP_USER_AGENT"],
  "lang" => $_SERVER['HTTP_ACCEPT_LANGUAGE'],
  "session" => $_COOKIE["webid"],
  "referrer" => $_COOKIE["referral"],
));
db_execute(
  "INSERT INTO event(type, payload) VALUES(?, ?)", 
  ["filestash_website_visit", $payload]
);

header("Cache-Control: no-cache, must-revalidate"); //HTTP 1.1
header("Pragma: no-cache"); //HTTP 1.0
header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");
header('Content-Type: image/svg+xml');
echo(file_get_contents("https://raw.githubusercontent.com/mickael-kerjean/filestash/master/.assets/img/logo_white.svg", true));