File modules/compression/tar.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:	* Provides tar compression/decompression routines in the file manager
16:	*
17:	* @package Compression
18:	*/
19:	class Tar_Filter extends Archive_Base
20:	{
21:	protected static function extract_files_pipe($process, $destination, array $files = null, array $opts = null)
22:	{
23:	//$process->setEncoding('binary');
24:	return self::extract_files($process,
25:	$destination,
26:	$files,
27:	array('pipe' => 1/$process->start()/));
28:	}
29:
30:	public static function extract_files($archive, $destination, array $file = null, array $opts = null)
31:	{
32:	if (isset($opts['pipe']) && false !== strpos($archive, '.gz')) {
33:	$cmd = 'tar -xzvf %s -C %s';
34:	} else {
35:	if (isset($opts['pipe']) && false !== strpos($archive, '.bz')) {
36:	$cmd = 'tar -xjvf %s -C %s';
37:	} else {
38:	$cmd = 'tar -xvf %s -C %s';
39:	}
40:	}
41:	$proc = parent::exec(
42:	$cmd,
43:	$archive,
44:	$destination,
45:	array(0),
46:	array('run' => 1/* @XXX pipe broken for now */)
47:	);
48:	if (0 & isset($opts['pipe'])) {
49:	$proc->pipeProg($opts['pipe']);
50:	}
51:
52:	return $proc;
53:	}
54:
55:	protected static function list_files_pipe($process, array $opts = null)
56:	{
57:
58:	/*$proc = self::$fc->proc_broker (
59:	"echo 'Hello World!'",
60:	array(0),
61:	array('run' => 0)
62:	);
63:	$proc2 = self::$fc->proc_broker(
64:	'(cat - /tmp/test ; sleep 5 ;echo "hooray!")',
65:	array(0),
66:	array('run' => 0)
67:	);
68:	$proc2->pipeProg($proc->start());
69:	$proc2->setOption('run',1)->setOption('binary',1);
70:	var_dump($proc2->run());*/
71:	//$process->setEncoding('binary');
72:	return self::list_files($process, array('pipe' => 1/$process->start()/));
73:	}
74:
75:	public static function list_files($archive, array $opts = null)
76:	{
77:	$tar = false;
78:	if (isset($opts['pipe']) && false !== strpos($archive, '.gz') \|\| false !== strpos($archive, '.tgz')) {
79:	$cmd = 'tar -tzvf %s';
80:	} else {
81:	if (isset($opts['pipe']) && false !== strpos($archive, '.bz') \|\| false !== strpos($archive, '.tbz')) {
82:	$cmd = 'tar -tjvf %s';
83:	} else {
84:	$cmd = 'tar -tvf %s';
85:	}
86:	}
87:	$proc = parent::exec(
88:	$cmd,
89:	$archive,
90:	array(0),
91:	array('run' => 1));
92:
93:
94:	if (0 & isset($opts['pipe'])) {
95:	$proc->pipeProg($opts['pipe']);
96:	}
97:	$proc = explode("\n", $proc['output']);
98:	$files = array();
99:
100:	foreach ($proc as $line) {
101:	if (!preg_match(Regex::FILE_HDR_TAR, $line, $entry)) {
102:	continue;
103:	}
104:	//list ($null, $file_name, $size, $packed_size, $date, $attr, $crc) = $matches;
105:	$file_type = $entry['permissions'][0] == 'd' ? 'dir' : 'file';
106:	$size = $file_type == 'dir' ? 4096 : $entry['size'];
107:
108:	$files[] = array(
109:	'file_name' => $entry['name'],
110:	'file_type' => $file_type,
111:	'can_read' => true,
112:	'can_write' => true,
113:	'can_execute' => true,
114:	'size' => $size,
115:	'packed_size' => $size,
116:	'crc' => '?',
117:	'link' => 0,
118:	'date' => strtotime($entry['ts'])
119:	);
120:	}
121:
122:	return $files;
123:
124:	}
125:
126:	}
127:
128:	?>
129:

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