index.php

<?php
/* Copyright (C) 2018 Andreu Bisquerra  <jove@bisquerra.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */

//if (! defined('NOREQUIREUSER')) define('NOREQUIREUSER','1');  // Not disabled cause need to load personalized language
//if (! defined('NOREQUIREDB'))   define('NOREQUIREDB','1');    // Not disabled cause need to load personalized language
if (!defined('NOREQUIRESOC'))   define('NOREQUIRESOC', '1');
//if (! defined('NOREQUIRETRAN'))   define('NOREQUIRETRAN','1');
if (!defined('NOCSRFCHECK'))    define('NOCSRFCHECK', '1');
if (!defined('NOTOKENRENEWAL')) define('NOTOKENRENEWAL', '1');
if (!defined('NOREQUIREMENU'))    define('NOREQUIREMENU', '1');
if (!defined('NOREQUIREHTML'))    define('NOREQUIREHTML', '1');
if (!defined('NOREQUIREAJAX'))    define('NOREQUIREAJAX', '1');

if (!defined('INCLUDE_PHONEPAGE_FROM_PUBLIC_PAGE')) require '../../main.inc.php'; // Load $user and permissions

$id = GETPOST('id', 'int');
$w = GETPOST('w', 'int');
$h = GETPOST('h', 'int');
$query = GETPOST('query', 'alpha');



/*
 * View
 */

if ($query == "cat")
{
  require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
  require_once DOL_DOCUMENT_ROOT.'/core/lib/categories.lib.php';

  $object = new Categorie($db);
  $result = $object->fetch($id);

  $upload_dir = $conf->categorie->multidir_output[$object->entity];
  $pdir = get_exdir($object->id, 2, 0, 0, $object, 'category').$object->id."/photos/";
  $dir = $upload_dir.'/'.$pdir;

  foreach ($object->liste_photos($dir) as $key => $obj)
  {
    if ($obj['photo_vignette'])
    {
      $filename = $obj['photo_vignette'];
    } else {
      $filename = $obj['photo'];
    }
    $file = DOL_URL_ROOT.'/viewimage.php?cache=1&publictakepos=1&modulepart=category&entity='.$object->entity.'&file='.urlencode($pdir.$filename);
    header('Location: '.$file);
    exit;
  }
  header('Location: ../../public/theme/common/nophoto.png');
} elseif ($query == "pro")
{
  require_once DOL_DOCUMENT_ROOT."/product/class/product.class.php";

  $objProd = new Product($db);
  $objProd->fetch($id);
  $image = $objProd->show_photos('product', $conf->product->multidir_output[$objProd->entity], 'small', 1);

  preg_match('@src="([^"]+)"@', $image, $match);
  $file = array_pop($match);
  if ($file == "") {
    header('Location: ../../public/theme/common/nophoto.png');
  } else {
    if (!defined('INCLUDE_PHONEPAGE_FROM_PUBLIC_PAGE')) {
      header('Location: '.$file.'&cache=1');
    } else {
      header('Location: '.$file.'&cache=1&publictakepos=1&modulepart=product');
    }
  }
} else {
  // TODO We don't need this. Size of image must be defined on HTML page, image must NOT be resize when downloaded.

  // The file
  $filename = $query.".jpg";

  // Dimensions
  list($width, $height) = getimagesize($filename);
  $new_width = $w;
  $new_height = $h;

  // Resample
  $image_p = imagecreatetruecolor($new_width, $new_height);
  $image = imagecreatefromjpeg($filename);
  imagecopyresampled($image_p, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);

  // Output
  imagejpeg($image_p, null, 100);
}