js/tracker.php


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<?php
/**
 * Piwik - free/libre analytics platform
 *
 * @link http://piwik.org
 * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */
use Piwik\ProxyHttp;

/**
 * Tracker proxy
 */
if ($_SERVER['REQUEST_METHOD'] == 'POST'
    || !empty($_SERVER['QUERY_STRING'])
) {
    include '../piwik.php';
    exit;
}

/**
 * piwik.js proxy
 *
 * @see core/Piwik.php
 */
define('PIWIK_INCLUDE_PATH', '..');
define('PIWIK_DOCUMENT_ROOT', '..');
define('PIWIK_USER_PATH', '..');

require_once PIWIK_INCLUDE_PATH . '/libs/upgradephp/upgrade.php';

// Composer autoloader
if (file_exists(PIWIK_INCLUDE_PATH . '/vendor/autoload.php')) {
    $path = PIWIK_INCLUDE_PATH . '/vendor/autoload.php'; // Piwik is the main project
} else {
    $path = PIWIK_INCLUDE_PATH . '/../../autoload.php'; // Piwik is installed as a dependency
}
require $path;

$file = '../piwik.js';

$daysExpireFarFuture = 10;

$byteStart = $byteEnd = false;
if (!defined("PIWIK_KEEP_JS_TRACKER_COMMENT")
    || !PIWIK_KEEP_JS_TRACKER_COMMENT
) {
    $byteStart = 369; // length of comment header in bytes
}

$environment = new \Piwik\Application\Environment(null);
$environment->init();

ProxyHttp::serverStaticFile($file, "application/javascript; charset=UTF-8", $daysExpireFarFuture, $byteStart, $byteEnd);

exit;