File modules/compression/zip.php

1:	<?php
2:	/**
3:	* Copyright (C) Apis Networks, Inc - All Rights Reserved.
4:	*
5:	* Unauthorized copying of this file, via any medium, is
6:	* strictly prohibited without consent. Any dissemination of
7:	* material herein is prohibited.
8:	*
9:	* For licensing inquiries email <licensing@apisnetworks.com>
10:	*
11:	* Written by Matt Saladna <matt@apisnetworks.com>, May 2017
12:	*/
13:
14:	/**
15:	* @package Compression
16:	* Provides zip compression/decompression routines in the file manager
17:	*/
18:	class Zip_Filter extends Archive_Base
19:	{
20:	public static function extract_files($archive, $dest, array $file = null, ?array $opts = array())
21:	{
22:	$zip = new ZipArchive();
23:	if (!$zip->open($archive)) {
24:	return error("unable to open archive `%(file)s': %(reason)s", [
25:	'file' => $archive,
26:	'reason' => $zip->getStatusString()
27:	]);
28:	}
29:	$zip->extractTo($dest, $file);
30:	$zip->close();
31:
32:	return true;
33:	}
34:
35:	public static function list_files($archive, ?array $opts = array())
36:	{
37:	$zip = new ZipArchive();
38:	if (!$zip->open($archive)) {
39:	return error("unable to open archive `%(file)s': %(reason)s", [
40:	'file' => $archive,
41:	'reason' => $zip->getStatusString()
42:	]);
43:	}
44:	$files = [];
45:	$n = $zip->count();
46:	for ($i = 0; $i < $n; $i++) {
47:	$stat = $zip->statIndex($i);
48:	$name = $stat['name'];
49:	$files[] = [
50:	'file_name' => $name,
51:	'file_type' => $name[-1] === '/' ? 'dir' : 'file',
52:	'can_read' => true,
53:	'can_write' => true,
54:	'can_execute' => true,
55:	'size' => !$stat['size'] ? FILESYSTEM_BLKSZ*1024 : $stat['size'],
56:	'packed_size' => $stat['comp_size'],
57:	'crc' => sprintf("%08X", $stat['crc'] ?? 0),
58:	'link' => 0,
59:	'date' => $stat['mtime']
60:	];
61:	}
62:	return $files;
63:
64:	}
65:	}
66:

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