MokoSuiteBackup/source/packages/com_mokojoombackup/src/Engine/TarGzArchiver.php

<?php

/**
 * @package     MokoJoomBackup
 * @subpackage  com_mokojoombackup
 * @author      Moko Consulting <hello@mokoconsulting.tech>
 * @copyright   Copyright (C) 2026 Moko Consulting. All rights reserved.
 * @license     GNU General Public License version 3 or later; see LICENSE
 */

namespace Joomla\Component\MokoJoomBackup\Administrator\Engine;

defined('_JEXEC') or die;

class TarGzArchiver implements ArchiverInterface
{
	private \PharData $tar;
	private string $tarPath;

	public function open(string $path): void
	{
		// PharData creates .tar first, then we compress to .tar.gz
		// Strip .gz to get the .tar path for initial creation
		$this->tarPath = preg_replace('/\.gz$/', '', $path);

		// Remove existing files to avoid "already exists" errors
		if (is_file($this->tarPath)) {
			@unlink($this->tarPath);
		}

		if (is_file($path)) {
			@unlink($path);
		}

		$this->tar = new \PharData($this->tarPath);
	}

	public function addFromString(string $localName, string $contents): void
	{
		$this->tar->addFromString($localName, $contents);
	}

	public function addFile(string $filePath, string $localName): void
	{
		$this->tar->addFile($filePath, $localName);
	}

	public function close(): void
	{
		// Compress the .tar to .tar.gz
		$this->tar->compress(\Phar::GZ);

		// Remove the uncompressed .tar
		if (is_file($this->tarPath)) {
			@unlink($this->tarPath);
		}
	}

	public function getExtension(): string
	{
		return 'tar.gz';
	}
}