<?php
/*
* OIDplus 2.0
* Copyright 2019 - 2021 Daniel Marschall, ViaThinkSoft
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// Using this script (barcode.php) as proxy to the service at metafloor.com has the advantage
// that we are flexible (e.g. if we want to change to another service or create the barcodes
// ourselves) and also allows us to be conform with the GDPR, since the IP address / referrer is
// not transferred to metafloor.com
if (!isset($_GET['number'])) die("Argument 'number' is missing");
require_once __DIR__ . '/../../../includes/functions.inc.php';
$number = $_GET['number'];
$number = substr($number, 0, 20);
httpOutWithETag($out, 'image/png', "barcode_$number.png");