← All changes | admin/helpers/src/archive/adapter.php +99 -0 1.6.2 → 1.8.16 View file →

		@@ -1,0 +1,99 @@
	1	+<?php
	2	+/**
	3	+ * @package VikBooking
	4	+ * @subpackage core
	5	+ * @author E4J s.r.l.
	6	+ * @copyright Copyright (C) 2021 E4J s.r.l. All Rights Reserved.
	7	+ * @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
	8	+ * @link https://vikwp.com
	9	+ */
	10	+
	11	+// No direct access
	12	+defined('ABSPATH') or die('No script kiddies please!');
	13	+
	14	+/**
	15	+ * Defines an abstract adapter able to extract the archives by using the
	16	+ * native tools provided by Joomla! CMS.
	17	+ *
	18	+ * @since 1.5
	19	+ */
	20	+abstract class VBOArchiveAdapter implements VBOArchiveType
	21	+{
	22	+ /**
	23	+ * Extracts the file from a package.
	24	+ *
	25	+ * @param string $source The path of the package.
	26	+ * @param string $destination The folder in which the files should be extracted.
	27	+ *
	28	+ * @return bool True on success, false otherwise.
	29	+ */
	30	+ public function extract($source, $destination)
	31	+ {
	32	+ if (!class_exists('JArchive'))
	33	+ {
	34	+ // get temporary path
	35	+ $tmp_path = JFactory::getApplication()->get('tmp_path');
	36	+
	37	+ // instantiate archive class
	38	+ $archive = new Joomla\Archive\Archive(array('tmp_path' => $tmp_path));
	39	+
	40	+ // extract the archive
	41	+ return $archive->extract($source, $destination);
	42	+ }
	43	+
	44	+ // backward compatibility
	45	+ return JArchive::extract($source, $destination);
	46	+ }
	47	+
	48	+ /**
	49	+ * Downloads the specified archive.
	50	+ *
	51	+ * @param string $source The path of the folder to compress.
	52	+ *
	53	+ * @return void
	54	+ *
	55	+ * @throws Exception
	56	+ */
	57	+ public function download($source)
	58	+ {
	59	+ if (!JFile::exists($source))
	60	+ {
	61	+ // the selected archive doesn't exist
	62	+ throw new Exception(sprintf('Archive [%s] not found', $source), 404);
	63	+ }
	64	+
	65	+ $app = JFactory::getApplication();
	66	+
	67	+ // prepare headers
	68	+ $app->setHeader('Content-Disposition', 'attachment; filename=' . basename($source));
	69	+ $app->setHeader('Content-Length', filesize($source));
	70	+
	71	+ // send headers
	72	+ $app->sendHeaders();
	73	+
	74	+ // use fopen to properly download large files
	75	+ $handle = fopen($source, 'rb');
	76	+
	77	+ // read 1MB per cycle
	78	+ $chunk_size = 1024 * 1024;
	79	+
	80	+ while (!feof($handle))
	81	+ {
	82	+ echo fread($handle, $chunk_size);
	83	+ ob_flush();
	84	+ flush();
	85	+ }
	86	+
	87	+ fclose($handle);
	88	+ }
	89	+
	90	+ /**
	91	+ * Compresses the specified folder into an archive.
	92	+ *
	93	+ * @param string $source The path of the folder to compress.
	94	+ * @param string $destination The path of the resulting archive.
	95	+ *
	96	+ * @return bool True on success, false otherwise.
	97	+ */
	98	+ abstract public function compress($source, $destination);
	99	+}