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<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb\install\helper\file_updater;
use phpbb\install\helper\update_helper;
/**
* File updater for generating archive with updated files
*/
class compression_file_updater implements file_updater_interface
{
/**
* @var \compress
*/
protected $compress;
/**
* @var update_helper
*/
protected $update_helper;
/**
* @var string
*/
protected $phpbb_root_path;
/**
* @var string
*/
protected $php_ext;
/**
* Constructor
*
* @param update_helper $update_helper
* @param string $phpbb_root_path
* @param string $php_ext
*/
public function __construct(update_helper $update_helper, $phpbb_root_path, $php_ext)
{
$this->compress = null;
$this->update_helper = $update_helper;
$this->phpbb_root_path = $phpbb_root_path;
$this->php_ext = $php_ext;
}
/**
* Set the compression method
*
* @param string $method Compression method's file extension
*
* @return string Archive's filename
*/
public function init($method)
{
$this->update_helper->include_file('includes/functions_compress.' . $this->php_ext);
$archive_filename = 'update_archive_' . time() . '_' . uniqid();
$path = $this->phpbb_root_path . 'store/' . $archive_filename . '' . $method;
if ($method === '.zip')
{
$this->compress = new \compress_zip('w', $path);
}
else
{
$this->compress = new \compress_tar('w', $path, $method);
}
return $path;
}
/**
* Close archive writing process
*/
public function close()
{
$this->compress->close();
}
/**
* {@inheritdoc}
*/
public function delete_file($path_to_file)
{
// We do absolutely nothing here, as this function is called when a file should be
// removed from the filesystem, but since this is an archive generator, it clearly
// cannot do that.
}
/**
* {@inheritdoc}
*/
public function create_new_file($path_to_file_to_create, $source, $create_from_content = false)
{
if ($create_from_content)
{
$this->compress->add_data($source, $path_to_file_to_create);
}
else
{
$this->compress->add_custom_file($source, $path_to_file_to_create);
}
}
/**
* {@inheritdoc}
*/
public function update_file($path_to_file_to_update, $source, $create_from_content = false)
{
// Both functions are identical here
$this->create_new_file($path_to_file_to_update, $source, $create_from_content);
}
/**
* {@inheritdoc}
*/
public function get_method_name()
{
return 'compression';
}
}
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