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  1. <?php
  2.  
  3. /*
  4.  * OIDplus 2.0
  5.  * Copyright 2019 - 2021 Daniel Marschall, ViaThinkSoft
  6.  *
  7.  * Licensed under the Apache License, Version 2.0 (the "License");
  8.  * you may not use this file except in compliance with the License.
  9.  * You may obtain a copy of the License at
  10.  *
  11.  *     http://www.apache.org/licenses/LICENSE-2.0
  12.  *
  13.  * Unless required by applicable law or agreed to in writing, software
  14.  * distributed under the License is distributed on an "AS IS" BASIS,
  15.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16.  * See the License for the specific language governing permissions and
  17.  * limitations under the License.
  18.  */
  19.  
  20. // Using this script (barcode.php) as proxy to the service at metafloor.com has the advantage
  21. // that we are flexible (e.g. if we want to change to another service or create the barcodes
  22. // ourselves) and also allows us to be conform with the GDPR, since the IP address / referrer is
  23. // not transferred to metafloor.com
  24.  
  25. if (!isset($_GET['number'])) die("Argument 'number' is missing");
  26.  
  27. require_once __DIR__ . '/../../../includes/functions.inc.php';
  28.  
  29. error_reporting(0);
  30.  
  31. $number = $_GET['number'];
  32. $number = preg_replace("/[^0-9]/", "", $number);
  33. $number = substr($number, 0, 20);
  34. $out = file_get_contents('http://bwipjs-api.metafloor.com/?bcid=code128&text='.urlencode($number).'&scale=1&includetext');
  35.  
  36. httpOutWithETag($out, 'image/png', "barcode_$number.png");
  37.