82 lines
2.6 KiB
PHP
82 lines
2.6 KiB
PHP
<?php
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/**
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* 2007-2019 PrestaShop and Contributors
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*
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* NOTICE OF LICENSE
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*
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* This source file is subject to the Open Software License (OSL 3.0)
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* that is bundled with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* https://opensource.org/licenses/OSL-3.0
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@prestashop.com so we can send you a copy immediately.
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*
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* DISCLAIMER
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*
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* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
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* versions in the future. If you wish to customize PrestaShop for your
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* needs please refer to https://www.prestashop.com for more information.
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*
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* @author PrestaShop SA <contact@prestashop.com>
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* @copyright 2007-2019 PrestaShop SA and Contributors
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* @license https://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
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* International Registered Trademark & Property of PrestaShop SA
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*/
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class AttachmentControllerCore extends FrontController
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{
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public function postProcess()
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{
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$a = new Attachment(Tools::getValue('id_attachment'), $this->context->language->id);
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if (!$a->id) {
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Tools::redirect('index.php');
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}
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Hook::exec('actionDownloadAttachment', array('attachment' => &$a));
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if (ob_get_level() && ob_get_length() > 0) {
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ob_end_clean();
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}
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header('Content-Transfer-Encoding: binary');
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header('Content-Type: ' . $a->mime);
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header('Content-Length: ' . filesize(_PS_DOWNLOAD_DIR_ . $a->file));
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header('Content-Disposition: attachment; filename="' . utf8_decode($a->file_name) . '"');
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@set_time_limit(0);
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$this->readfileChunked(_PS_DOWNLOAD_DIR_ . $a->file);
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exit;
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}
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/**
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* @see http://ca2.php.net/manual/en/function.readfile.php#54295
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*/
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public function readfileChunked($filename, $retbytes = true)
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{
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// how many bytes per chunk
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$chunksize = 1 * (1024 * 1024);
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$buffer = '';
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$totalBytes = 0;
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$handle = fopen($filename, 'rb');
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if ($handle === false) {
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return false;
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}
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while (!feof($handle)) {
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$buffer = fread($handle, $chunksize);
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echo $buffer;
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ob_flush();
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flush();
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if ($retbytes) {
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$totalBytes += strlen($buffer);
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}
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}
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$status = fclose($handle);
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if ($retbytes && $status) {
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// return num. bytes delivered like readfile() does.
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return $totalBytes;
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}
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return $status;
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}
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}
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