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<?php
/*
This file is part of GNU TALER.
Copyright (C) 2014, 2015, 2016 INRIA
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU Lesser General Public License as published by the Free Software
Foundation; either version 2.1, or (at your option) any later version.
TALER 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with
TALER; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/>
*/
include '../../copylib/util.php';
$article = get($_GET['article']);
$image = get($_GET['image']);
session_start();
$payments = &pull($_SESSION, 'payments', false);
if (!$payments) {
echo "No session active";
return 400;
}
if (null == get($payments[$article]['ispayed'])) {
echo "Article not payed";
return 400;
}
$db_filename = "articles/articles_images.json";
$json_str;
if (file_exists($db_filename))
$json_str = file_get_contents($db_filename);
else {
echo "Internal server error: data registry not found";
return 500;
}
$db = json_decode($json_str, true);
$article_images = get($db[$article . ".html"]);
if (null == $article_images) {
echo "This article has no images to sell";
return 400;
}
if (false === array_search($image, $article_images)) {
echo "Requested image does not belong to article '$article'";
return 400;
}
$image_path = "data/" . $image;
$fp = fopen($image_path, 'rb');
header("Content-Type: image/png"); // fix image extension
header("Content-Length: " . filesize($image_path));
fpassthru($fp);
exit;
?>
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