2531 lines
86 KiB
PHP
2531 lines
86 KiB
PHP
<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/**
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* File::CSV
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*
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* PHP versions 4 and 5
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*
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* Copyright (c) 1997-2008,
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* Vincent Blavet <vincent@phpconcept.net>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @category File_Formats
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* @package Archive_Tar
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* @author Vincent Blavet <vincent@phpconcept.net>
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* @copyright 1997-2010 The Authors
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* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
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* @version CVS: $Id$
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* @link http://pear.php.net/package/Archive_Tar
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*/
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// If the PEAR class cannot be loaded via the autoloader,
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// then try to require_once it from the PHP include path.
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if (!class_exists('PEAR')) {
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require_once 'PEAR.php';
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}
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define('ARCHIVE_TAR_ATT_SEPARATOR', 90001);
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define('ARCHIVE_TAR_END_BLOCK', pack("a512", ''));
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if (!function_exists('gzopen') && function_exists('gzopen64')) {
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function gzopen($filename, $mode, $use_include_path = 0)
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{
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return gzopen64($filename, $mode, $use_include_path);
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}
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}
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if (!function_exists('gztell') && function_exists('gztell64')) {
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function gztell($zp)
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{
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return gztell64($zp);
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}
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}
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if (!function_exists('gzseek') && function_exists('gzseek64')) {
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function gzseek($zp, $offset, $whence = SEEK_SET)
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{
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return gzseek64($zp, $offset, $whence);
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}
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}
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/**
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* Creates a (compressed) Tar archive
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*
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* @package Archive_Tar
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* @author Vincent Blavet <vincent@phpconcept.net>
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* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
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* @version $Revision$
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*/
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class Archive_Tar extends PEAR
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{
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/**
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* @var string Name of the Tar
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*/
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public $_tarname = '';
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/**
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* @var boolean if true, the Tar file will be gzipped
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*/
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public $_compress = false;
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/**
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* @var string Type of compression : 'none', 'gz', 'bz2' or 'lzma2'
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*/
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public $_compress_type = 'none';
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/**
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* @var string Explode separator
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*/
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public $_separator = ' ';
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/**
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* @var file descriptor
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*/
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public $_file = 0;
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/**
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* @var string Local Tar name of a remote Tar (http:// or ftp://)
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*/
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public $_temp_tarname = '';
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/**
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* @var string regular expression for ignoring files or directories
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*/
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public $_ignore_regexp = '';
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/**
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* @var object PEAR_Error object
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*/
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public $error_object = null;
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/**
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* Format for data extraction
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*
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* @var string
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*/
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public $_fmt = '';
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/**
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* @var int Length of the read buffer in bytes
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*/
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protected $buffer_length;
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/**
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* Archive_Tar Class constructor. This flavour of the constructor only
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* declare a new Archive_Tar object, identifying it by the name of the
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* tar file.
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* If the compress argument is set the tar will be read or created as a
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* gzip or bz2 compressed TAR file.
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*
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* @param string $p_tarname The name of the tar archive to create
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* @param string $p_compress can be null, 'gz', 'bz2' or 'lzma2'. This
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* parameter indicates if gzip, bz2 or lzma2 compression
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* is required. For compatibility reason the
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* boolean value 'true' means 'gz'.
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* @param int $buffer_length Length of the read buffer in bytes
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*
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* @return bool
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*/
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public function __construct($p_tarname, $p_compress = null, $buffer_length = 512)
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{
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parent::__construct();
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$this->_compress = false;
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$this->_compress_type = 'none';
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if (($p_compress === null) || ($p_compress == '')) {
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if (@file_exists($p_tarname)) {
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if ($fp = @fopen($p_tarname, "rb")) {
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// look for gzip magic cookie
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$data = fread($fp, 2);
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fclose($fp);
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if ($data == "\37\213") {
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$this->_compress = true;
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$this->_compress_type = 'gz';
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// No sure it's enought for a magic code ....
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} elseif ($data == "BZ") {
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$this->_compress = true;
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$this->_compress_type = 'bz2';
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} elseif (file_get_contents($p_tarname, false, null, 1, 4) == '7zXZ') {
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$this->_compress = true;
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$this->_compress_type = 'lzma2';
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}
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}
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} else {
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// probably a remote file or some file accessible
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// through a stream interface
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if (substr($p_tarname, -2) == 'gz') {
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$this->_compress = true;
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$this->_compress_type = 'gz';
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} elseif ((substr($p_tarname, -3) == 'bz2') ||
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(substr($p_tarname, -2) == 'bz')
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) {
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$this->_compress = true;
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$this->_compress_type = 'bz2';
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} else {
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if (substr($p_tarname, -2) == 'xz') {
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$this->_compress = true;
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$this->_compress_type = 'lzma2';
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}
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}
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}
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} else {
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if (($p_compress === true) || ($p_compress == 'gz')) {
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$this->_compress = true;
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$this->_compress_type = 'gz';
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} else {
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if ($p_compress == 'bz2') {
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$this->_compress = true;
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$this->_compress_type = 'bz2';
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} else {
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if ($p_compress == 'lzma2') {
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$this->_compress = true;
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$this->_compress_type = 'lzma2';
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} else {
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$this->_error(
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"Unsupported compression type '$p_compress'\n" .
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"Supported types are 'gz', 'bz2' and 'lzma2'.\n"
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);
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return false;
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}
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}
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}
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}
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$this->_tarname = $p_tarname;
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if ($this->_compress) { // assert zlib or bz2 or xz extension support
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if ($this->_compress_type == 'gz') {
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$extname = 'zlib';
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} else {
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if ($this->_compress_type == 'bz2') {
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$extname = 'bz2';
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} else {
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if ($this->_compress_type == 'lzma2') {
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$extname = 'xz';
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}
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}
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}
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if (!extension_loaded($extname)) {
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PEAR::loadExtension($extname);
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}
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if (!extension_loaded($extname)) {
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$this->_error(
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"The extension '$extname' couldn't be found.\n" .
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"Please make sure your version of PHP was built " .
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"with '$extname' support.\n"
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);
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return false;
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}
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}
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if (version_compare(PHP_VERSION, "5.5.0-dev") < 0) {
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$this->_fmt = "a100filename/a8mode/a8uid/a8gid/a12size/a12mtime/" .
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"a8checksum/a1typeflag/a100link/a6magic/a2version/" .
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"a32uname/a32gname/a8devmajor/a8devminor/a131prefix";
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} else {
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$this->_fmt = "Z100filename/Z8mode/Z8uid/Z8gid/Z12size/Z12mtime/" .
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"Z8checksum/Z1typeflag/Z100link/Z6magic/Z2version/" .
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"Z32uname/Z32gname/Z8devmajor/Z8devminor/Z131prefix";
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}
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$this->buffer_length = $buffer_length;
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}
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public function __destruct()
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{
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$this->_close();
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// ----- Look for a local copy to delete
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if ($this->_temp_tarname != '' && (bool) preg_match('/^tar[[:alnum:]]*\.tmp$/', $this->_temp_tarname)) {
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@unlink($this->_temp_tarname);
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}
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}
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/**
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* This method creates the archive file and add the files / directories
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* that are listed in $p_filelist.
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* If a file with the same name exist and is writable, it is replaced
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* by the new tar.
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* The method return false and a PEAR error text.
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* The $p_filelist parameter can be an array of string, each string
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* representing a filename or a directory name with their path if
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* needed. It can also be a single string with names separated by a
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* single blank.
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* For each directory added in the archive, the files and
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* sub-directories are also added.
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* See also createModify() method for more details.
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*
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* @param array $p_filelist An array of filenames and directory names, or a
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* single string with names separated by a single
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* blank space.
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*
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* @return true on success, false on error.
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* @see createModify()
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*/
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public function create($p_filelist)
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{
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return $this->createModify($p_filelist, '', '');
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}
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/**
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* This method add the files / directories that are listed in $p_filelist in
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* the archive. If the archive does not exist it is created.
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* The method return false and a PEAR error text.
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* The files and directories listed are only added at the end of the archive,
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* even if a file with the same name is already archived.
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* See also createModify() method for more details.
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*
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* @param array $p_filelist An array of filenames and directory names, or a
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* single string with names separated by a single
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* blank space.
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*
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* @return true on success, false on error.
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* @see createModify()
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* @access public
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*/
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public function add($p_filelist)
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{
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return $this->addModify($p_filelist, '', '');
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}
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/**
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* @param string $p_path
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* @param bool $p_preserve
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* @param bool $p_symlinks
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* @return bool
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*/
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public function extract($p_path = '', $p_preserve = false, $p_symlinks = true)
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{
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return $this->extractModify($p_path, '', $p_preserve, $p_symlinks);
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}
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/**
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* @return array|int
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*/
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public function listContent()
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{
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$v_list_detail = array();
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if ($this->_openRead()) {
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if (!$this->_extractList('', $v_list_detail, "list", '', '')) {
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unset($v_list_detail);
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$v_list_detail = 0;
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}
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$this->_close();
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}
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return $v_list_detail;
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}
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/**
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* This method creates the archive file and add the files / directories
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* that are listed in $p_filelist.
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* If the file already exists and is writable, it is replaced by the
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* new tar. It is a create and not an add. If the file exists and is
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* read-only or is a directory it is not replaced. The method return
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* false and a PEAR error text.
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* The $p_filelist parameter can be an array of string, each string
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* representing a filename or a directory name with their path if
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* needed. It can also be a single string with names separated by a
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* single blank.
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* The path indicated in $p_remove_dir will be removed from the
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* memorized path of each file / directory listed when this path
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* exists. By default nothing is removed (empty path '')
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* The path indicated in $p_add_dir will be added at the beginning of
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* the memorized path of each file / directory listed. However it can
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* be set to empty ''. The adding of a path is done after the removing
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* of path.
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* The path add/remove ability enables the user to prepare an archive
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* for extraction in a different path than the origin files are.
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* See also addModify() method for file adding properties.
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*
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* @param array $p_filelist An array of filenames and directory names,
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* or a single string with names separated by
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* a single blank space.
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* @param string $p_add_dir A string which contains a path to be added
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* to the memorized path of each element in
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* the list.
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* @param string $p_remove_dir A string which contains a path to be
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* removed from the memorized path of each
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* element in the list, when relevant.
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*
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* @return boolean true on success, false on error.
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* @see addModify()
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*/
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public function createModify($p_filelist, $p_add_dir, $p_remove_dir = '')
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{
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$v_result = true;
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if (!$this->_openWrite()) {
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return false;
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}
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if ($p_filelist != '') {
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if (is_array($p_filelist)) {
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$v_list = $p_filelist;
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} elseif (is_string($p_filelist)) {
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$v_list = explode($this->_separator, $p_filelist);
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} else {
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$this->_cleanFile();
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$this->_error('Invalid file list');
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return false;
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}
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$v_result = $this->_addList($v_list, $p_add_dir, $p_remove_dir);
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}
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if ($v_result) {
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$this->_writeFooter();
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$this->_close();
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} else {
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$this->_cleanFile();
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}
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return $v_result;
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}
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/**
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* This method add the files / directories listed in $p_filelist at the
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* end of the existing archive. If the archive does not yet exists it
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* is created.
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* The $p_filelist parameter can be an array of string, each string
|
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* representing a filename or a directory name with their path if
|
|
* needed. It can also be a single string with names separated by a
|
|
* single blank.
|
|
* The path indicated in $p_remove_dir will be removed from the
|
|
* memorized path of each file / directory listed when this path
|
|
* exists. By default nothing is removed (empty path '')
|
|
* The path indicated in $p_add_dir will be added at the beginning of
|
|
* the memorized path of each file / directory listed. However it can
|
|
* be set to empty ''. The adding of a path is done after the removing
|
|
* of path.
|
|
* The path add/remove ability enables the user to prepare an archive
|
|
* for extraction in a different path than the origin files are.
|
|
* If a file/dir is already in the archive it will only be added at the
|
|
* end of the archive. There is no update of the existing archived
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* file/dir. However while extracting the archive, the last file will
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* replace the first one. This results in a none optimization of the
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* archive size.
|
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* If a file/dir does not exist the file/dir is ignored. However an
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* error text is send to PEAR error.
|
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* If a file/dir is not readable the file/dir is ignored. However an
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* error text is send to PEAR error.
|
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*
|
|
* @param array $p_filelist An array of filenames and directory
|
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* names, or a single string with names
|
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* separated by a single blank space.
|
|
* @param string $p_add_dir A string which contains a path to be
|
|
* added to the memorized path of each
|
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* element in the list.
|
|
* @param string $p_remove_dir A string which contains a path to be
|
|
* removed from the memorized path of
|
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* each element in the list, when
|
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* relevant.
|
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*
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* @return true on success, false on error.
|
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*/
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public function addModify($p_filelist, $p_add_dir, $p_remove_dir = '')
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{
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$v_result = true;
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|
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if (!$this->_isArchive()) {
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$v_result = $this->createModify(
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$p_filelist,
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$p_add_dir,
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$p_remove_dir
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);
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} else {
|
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if (is_array($p_filelist)) {
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$v_list = $p_filelist;
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} elseif (is_string($p_filelist)) {
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$v_list = explode($this->_separator, $p_filelist);
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} else {
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$this->_error('Invalid file list');
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return false;
|
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}
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$v_result = $this->_append($v_list, $p_add_dir, $p_remove_dir);
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}
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return $v_result;
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}
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|
|
/**
|
|
* This method add a single string as a file at the
|
|
* end of the existing archive. If the archive does not yet exists it
|
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* is created.
|
|
*
|
|
* @param string $p_filename A string which contains the full
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* filename path that will be associated
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* with the string.
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|
* @param string $p_string The content of the file added in
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* the archive.
|
|
* @param bool|int $p_datetime A custom date/time (unix timestamp)
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|
* for the file (optional).
|
|
* @param array $p_params An array of optional params:
|
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* stamp => the datetime (replaces
|
|
* datetime above if it exists)
|
|
* mode => the permissions on the
|
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* file (600 by default)
|
|
* type => is this a link? See the
|
|
* tar specification for details.
|
|
* (default = regular file)
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|
* uid => the user ID of the file
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|
* (default = 0 = root)
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|
* gid => the group ID of the file
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* (default = 0 = root)
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*
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|
* @return true on success, false on error.
|
|
*/
|
|
public function addString($p_filename, $p_string, $p_datetime = false, $p_params = array())
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|
{
|
|
$p_stamp = @$p_params["stamp"] ? $p_params["stamp"] : ($p_datetime ? $p_datetime : time());
|
|
$p_mode = @$p_params["mode"] ? $p_params["mode"] : 0600;
|
|
$p_type = @$p_params["type"] ? $p_params["type"] : "";
|
|
$p_uid = @$p_params["uid"] ? $p_params["uid"] : "";
|
|
$p_gid = @$p_params["gid"] ? $p_params["gid"] : "";
|
|
$v_result = true;
|
|
|
|
if (!$this->_isArchive()) {
|
|
if (!$this->_openWrite()) {
|
|
return false;
|
|
}
|
|
$this->_close();
|
|
}
|
|
|
|
if (!$this->_openAppend()) {
|
|
return false;
|
|
}
|
|
|
|
// Need to check the get back to the temporary file ? ....
|
|
$v_result = $this->_addString($p_filename, $p_string, $p_datetime, $p_params);
|
|
|
|
$this->_writeFooter();
|
|
|
|
$this->_close();
|
|
|
|
return $v_result;
|
|
}
|
|
|
|
/**
|
|
* This method extract all the content of the archive in the directory
|
|
* indicated by $p_path. When relevant the memorized path of the
|
|
* files/dir can be modified by removing the $p_remove_path path at the
|
|
* beginning of the file/dir path.
|
|
* While extracting a file, if the directory path does not exists it is
|
|
* created.
|
|
* While extracting a file, if the file already exists it is replaced
|
|
* without looking for last modification date.
|
|
* While extracting a file, if the file already exists and is write
|
|
* protected, the extraction is aborted.
|
|
* While extracting a file, if a directory with the same name already
|
|
* exists, the extraction is aborted.
|
|
* While extracting a directory, if a file with the same name already
|
|
* exists, the extraction is aborted.
|
|
* While extracting a file/directory if the destination directory exist
|
|
* and is write protected, or does not exist but can not be created,
|
|
* the extraction is aborted.
|
|
* If after extraction an extracted file does not show the correct
|
|
* stored file size, the extraction is aborted.
|
|
* When the extraction is aborted, a PEAR error text is set and false
|
|
* is returned. However the result can be a partial extraction that may
|
|
* need to be manually cleaned.
|
|
*
|
|
* @param string $p_path The path of the directory where the
|
|
* files/dir need to by extracted.
|
|
* @param string $p_remove_path Part of the memorized path that can be
|
|
* removed if present at the beginning of
|
|
* the file/dir path.
|
|
* @param boolean $p_preserve Preserve user/group ownership of files
|
|
* @param boolean $p_symlinks Allow symlinks.
|
|
*
|
|
* @return boolean true on success, false on error.
|
|
* @see extractList()
|
|
*/
|
|
public function extractModify($p_path, $p_remove_path, $p_preserve = false, $p_symlinks = true)
|
|
{
|
|
$v_result = true;
|
|
$v_list_detail = array();
|
|
|
|
if ($v_result = $this->_openRead()) {
|
|
$v_result = $this->_extractList(
|
|
$p_path,
|
|
$v_list_detail,
|
|
"complete",
|
|
0,
|
|
$p_remove_path,
|
|
$p_preserve,
|
|
$p_symlinks
|
|
);
|
|
$this->_close();
|
|
}
|
|
|
|
return $v_result;
|
|
}
|
|
|
|
/**
|
|
* This method extract from the archive one file identified by $p_filename.
|
|
* The return value is a string with the file content, or NULL on error.
|
|
*
|
|
* @param string $p_filename The path of the file to extract in a string.
|
|
*
|
|
* @return a string with the file content or NULL.
|
|
*/
|
|
public function extractInString($p_filename)
|
|
{
|
|
if ($this->_openRead()) {
|
|
$v_result = $this->_extractInString($p_filename);
|
|
$this->_close();
|
|
} else {
|
|
$v_result = null;
|
|
}
|
|
|
|
return $v_result;
|
|
}
|
|
|
|
/**
|
|
* This method extract from the archive only the files indicated in the
|
|
* $p_filelist. These files are extracted in the current directory or
|
|
* in the directory indicated by the optional $p_path parameter.
|
|
* If indicated the $p_remove_path can be used in the same way as it is
|
|
* used in extractModify() method.
|
|
*
|
|
* @param array $p_filelist An array of filenames and directory names,
|
|
* or a single string with names separated
|
|
* by a single blank space.
|
|
* @param string $p_path The path of the directory where the
|
|
* files/dir need to by extracted.
|
|
* @param string $p_remove_path Part of the memorized path that can be
|
|
* removed if present at the beginning of
|
|
* the file/dir path.
|
|
* @param boolean $p_preserve Preserve user/group ownership of files
|
|
* @param boolean $p_symlinks Allow symlinks.
|
|
*
|
|
* @return true on success, false on error.
|
|
* @see extractModify()
|
|
*/
|
|
public function extractList($p_filelist, $p_path = '', $p_remove_path = '', $p_preserve = false, $p_symlinks = true)
|
|
{
|
|
$v_result = true;
|
|
$v_list_detail = array();
|
|
|
|
if (is_array($p_filelist)) {
|
|
$v_list = $p_filelist;
|
|
} elseif (is_string($p_filelist)) {
|
|
$v_list = explode($this->_separator, $p_filelist);
|
|
} else {
|
|
$this->_error('Invalid string list');
|
|
return false;
|
|
}
|
|
|
|
if ($v_result = $this->_openRead()) {
|
|
$v_result = $this->_extractList(
|
|
$p_path,
|
|
$v_list_detail,
|
|
"partial",
|
|
$v_list,
|
|
$p_remove_path,
|
|
$p_preserve,
|
|
$p_symlinks
|
|
);
|
|
$this->_close();
|
|
}
|
|
|
|
return $v_result;
|
|
}
|
|
|
|
/**
|
|
* This method set specific attributes of the archive. It uses a variable
|
|
* list of parameters, in the format attribute code + attribute values :
|
|
* $arch->setAttribute(ARCHIVE_TAR_ATT_SEPARATOR, ',');
|
|
*
|
|
* @return true on success, false on error.
|
|
*/
|
|
public function setAttribute()
|
|
{
|
|
$v_result = true;
|
|
|
|
// ----- Get the number of variable list of arguments
|
|
if (($v_size = func_num_args()) == 0) {
|
|
return true;
|
|
}
|
|
|
|
// ----- Get the arguments
|
|
$v_att_list = func_get_args();
|
|
|
|
// ----- Read the attributes
|
|
$i = 0;
|
|
while ($i < $v_size) {
|
|
|
|
// ----- Look for next option
|
|
switch ($v_att_list[$i]) {
|
|
// ----- Look for options that request a string value
|
|
case ARCHIVE_TAR_ATT_SEPARATOR :
|
|
// ----- Check the number of parameters
|
|
if (($i + 1) >= $v_size) {
|
|
$this->_error(
|
|
'Invalid number of parameters for '
|
|
. 'attribute ARCHIVE_TAR_ATT_SEPARATOR'
|
|
);
|
|
return false;
|
|
}
|
|
|
|
// ----- Get the value
|
|
$this->_separator = $v_att_list[$i + 1];
|
|
$i++;
|
|
break;
|
|
|
|
default :
|
|
$this->_error('Unknown attribute code ' . $v_att_list[$i] . '');
|
|
return false;
|
|
}
|
|
|
|
// ----- Next attribute
|
|
$i++;
|
|
}
|
|
|
|
return $v_result;
|
|
}
|
|
|
|
/**
|
|
* This method sets the regular expression for ignoring files and directories
|
|
* at import, for example:
|
|
* $arch->setIgnoreRegexp("#CVS|\.svn#");
|
|
*
|
|
* @param string $regexp regular expression defining which files or directories to ignore
|
|
*/
|
|
public function setIgnoreRegexp($regexp)
|
|
{
|
|
$this->_ignore_regexp = $regexp;
|
|
}
|
|
|
|
/**
|
|
* This method sets the regular expression for ignoring all files and directories
|
|
* matching the filenames in the array list at import, for example:
|
|
* $arch->setIgnoreList(array('CVS', '.svn', 'bin/tool'));
|
|
*
|
|
* @param array $list a list of file or directory names to ignore
|
|
*
|
|
* @access public
|
|
*/
|
|
public function setIgnoreList($list)
|
|
{
|
|
$list = str_replace(array('#', '.', '^', '$'), array('\#', '\.', '\^', '\$'), $list);
|
|
$regexp = '#/' . join('$|/', $list) . '#';
|
|
$this->setIgnoreRegexp($regexp);
|
|
}
|
|
|
|
/**
|
|
* @param string $p_message
|
|
*/
|
|
public function _error($p_message)
|
|
{
|
|
$this->error_object = $this->raiseError($p_message);
|
|
}
|
|
|
|
/**
|
|
* @param string $p_message
|
|
*/
|
|
public function _warning($p_message)
|
|
{
|
|
$this->error_object = $this->raiseError($p_message);
|
|
}
|
|
|
|
/**
|
|
* @param string $p_filename
|
|
* @return bool
|
|
*/
|
|
public function _isArchive($p_filename = null)
|
|
{
|
|
if ($p_filename == null) {
|
|
$p_filename = $this->_tarname;
|
|
}
|
|
clearstatcache();
|
|
return @is_file($p_filename) && !@is_link($p_filename);
|
|
}
|
|
|
|
/**
|
|
* @return bool
|
|
*/
|
|
public function _openWrite()
|
|
{
|
|
if ($this->_compress_type == 'gz' && function_exists('gzopen')) {
|
|
$this->_file = @gzopen($this->_tarname, "wb9");
|
|
} else {
|
|
if ($this->_compress_type == 'bz2' && function_exists('bzopen')) {
|
|
$this->_file = @bzopen($this->_tarname, "w");
|
|
} else {
|
|
if ($this->_compress_type == 'lzma2' && function_exists('xzopen')) {
|
|
$this->_file = @xzopen($this->_tarname, 'w');
|
|
} else {
|
|
if ($this->_compress_type == 'none') {
|
|
$this->_file = @fopen($this->_tarname, "wb");
|
|
} else {
|
|
$this->_error(
|
|
'Unknown or missing compression type ('
|
|
. $this->_compress_type . ')'
|
|
);
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($this->_file == 0) {
|
|
$this->_error(
|
|
'Unable to open in write mode \''
|
|
. $this->_tarname . '\''
|
|
);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @return bool
|
|
*/
|
|
public function _openRead()
|
|
{
|
|
if (strtolower(substr($this->_tarname, 0, 7)) == 'http://') {
|
|
|
|
// ----- Look if a local copy need to be done
|
|
if ($this->_temp_tarname == '') {
|
|
$this->_temp_tarname = uniqid('tar') . '.tmp';
|
|
if (!$v_file_from = @fopen($this->_tarname, 'rb')) {
|
|
$this->_error(
|
|
'Unable to open in read mode \''
|
|
. $this->_tarname . '\''
|
|
);
|
|
$this->_temp_tarname = '';
|
|
return false;
|
|
}
|
|
if (!$v_file_to = @fopen($this->_temp_tarname, 'wb')) {
|
|
$this->_error(
|
|
'Unable to open in write mode \''
|
|
. $this->_temp_tarname . '\''
|
|
);
|
|
$this->_temp_tarname = '';
|
|
return false;
|
|
}
|
|
while ($v_data = @fread($v_file_from, 1024)) {
|
|
@fwrite($v_file_to, $v_data);
|
|
}
|
|
@fclose($v_file_from);
|
|
@fclose($v_file_to);
|
|
}
|
|
|
|
// ----- File to open if the local copy
|
|
$v_filename = $this->_temp_tarname;
|
|
} else {
|
|
// ----- File to open if the normal Tar file
|
|
|
|
$v_filename = $this->_tarname;
|
|
}
|
|
|
|
if ($this->_compress_type == 'gz' && function_exists('gzopen')) {
|
|
$this->_file = @gzopen($v_filename, "rb");
|
|
} else {
|
|
if ($this->_compress_type == 'bz2' && function_exists('bzopen')) {
|
|
$this->_file = @bzopen($v_filename, "r");
|
|
} else {
|
|
if ($this->_compress_type == 'lzma2' && function_exists('xzopen')) {
|
|
$this->_file = @xzopen($v_filename, "r");
|
|
} else {
|
|
if ($this->_compress_type == 'none') {
|
|
$this->_file = @fopen($v_filename, "rb");
|
|
} else {
|
|
$this->_error(
|
|
'Unknown or missing compression type ('
|
|
. $this->_compress_type . ')'
|
|
);
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($this->_file == 0) {
|
|
$this->_error('Unable to open in read mode \'' . $v_filename . '\'');
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @return bool
|
|
*/
|
|
public function _openReadWrite()
|
|
{
|
|
if ($this->_compress_type == 'gz') {
|
|
$this->_file = @gzopen($this->_tarname, "r+b");
|
|
} else {
|
|
if ($this->_compress_type == 'bz2') {
|
|
$this->_error(
|
|
'Unable to open bz2 in read/write mode \''
|
|
. $this->_tarname . '\' (limitation of bz2 extension)'
|
|
);
|
|
return false;
|
|
} else {
|
|
if ($this->_compress_type == 'lzma2') {
|
|
$this->_error(
|
|
'Unable to open lzma2 in read/write mode \''
|
|
. $this->_tarname . '\' (limitation of lzma2 extension)'
|
|
);
|
|
return false;
|
|
} else {
|
|
if ($this->_compress_type == 'none') {
|
|
$this->_file = @fopen($this->_tarname, "r+b");
|
|
} else {
|
|
$this->_error(
|
|
'Unknown or missing compression type ('
|
|
. $this->_compress_type . ')'
|
|
);
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($this->_file == 0) {
|
|
$this->_error(
|
|
'Unable to open in read/write mode \''
|
|
. $this->_tarname . '\''
|
|
);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @return bool
|
|
*/
|
|
public function _close()
|
|
{
|
|
//if (isset($this->_file)) {
|
|
if (is_resource($this->_file)) {
|
|
if ($this->_compress_type == 'gz') {
|
|
@gzclose($this->_file);
|
|
} else {
|
|
if ($this->_compress_type == 'bz2') {
|
|
@bzclose($this->_file);
|
|
} else {
|
|
if ($this->_compress_type == 'lzma2') {
|
|
@xzclose($this->_file);
|
|
} else {
|
|
if ($this->_compress_type == 'none') {
|
|
@fclose($this->_file);
|
|
} else {
|
|
$this->_error(
|
|
'Unknown or missing compression type ('
|
|
. $this->_compress_type . ')'
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$this->_file = 0;
|
|
}
|
|
|
|
// ----- Look if a local copy need to be erase
|
|
// Note that it might be interesting to keep the url for a time : ToDo
|
|
if ($this->_temp_tarname != '') {
|
|
@unlink($this->_temp_tarname);
|
|
$this->_temp_tarname = '';
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @return bool
|
|
*/
|
|
public function _cleanFile()
|
|
{
|
|
$this->_close();
|
|
|
|
// ----- Look for a local copy
|
|
if ($this->_temp_tarname != '') {
|
|
// ----- Remove the local copy but not the remote tarname
|
|
@unlink($this->_temp_tarname);
|
|
$this->_temp_tarname = '';
|
|
} else {
|
|
// ----- Remove the local tarname file
|
|
@unlink($this->_tarname);
|
|
}
|
|
$this->_tarname = '';
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @param mixed $p_binary_data
|
|
* @param integer $p_len
|
|
* @return bool
|
|
*/
|
|
public function _writeBlock($p_binary_data, $p_len = null)
|
|
{
|
|
if (is_resource($this->_file)) {
|
|
if ($p_len === null) {
|
|
if ($this->_compress_type == 'gz') {
|
|
@gzputs($this->_file, $p_binary_data);
|
|
} else {
|
|
if ($this->_compress_type == 'bz2') {
|
|
@bzwrite($this->_file, $p_binary_data);
|
|
} else {
|
|
if ($this->_compress_type == 'lzma2') {
|
|
@xzwrite($this->_file, $p_binary_data);
|
|
} else {
|
|
if ($this->_compress_type == 'none') {
|
|
@fputs($this->_file, $p_binary_data);
|
|
} else {
|
|
$this->_error(
|
|
'Unknown or missing compression type ('
|
|
. $this->_compress_type . ')'
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
if ($this->_compress_type == 'gz') {
|
|
@gzputs($this->_file, $p_binary_data, $p_len);
|
|
} else {
|
|
if ($this->_compress_type == 'bz2') {
|
|
@bzwrite($this->_file, $p_binary_data, $p_len);
|
|
} else {
|
|
if ($this->_compress_type == 'lzma2') {
|
|
@xzwrite($this->_file, $p_binary_data, $p_len);
|
|
} else {
|
|
if ($this->_compress_type == 'none') {
|
|
@fputs($this->_file, $p_binary_data, $p_len);
|
|
} else {
|
|
$this->_error(
|
|
'Unknown or missing compression type ('
|
|
. $this->_compress_type . ')'
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @return null|string
|
|
*/
|
|
public function _readBlock()
|
|
{
|
|
$v_block = null;
|
|
if (is_resource($this->_file)) {
|
|
if ($this->_compress_type == 'gz') {
|
|
$v_block = @gzread($this->_file, 512);
|
|
} else {
|
|
if ($this->_compress_type == 'bz2') {
|
|
$v_block = @bzread($this->_file, 512);
|
|
} else {
|
|
if ($this->_compress_type == 'lzma2') {
|
|
$v_block = @xzread($this->_file, 512);
|
|
} else {
|
|
if ($this->_compress_type == 'none') {
|
|
$v_block = @fread($this->_file, 512);
|
|
} else {
|
|
$this->_error(
|
|
'Unknown or missing compression type ('
|
|
. $this->_compress_type . ')'
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $v_block;
|
|
}
|
|
|
|
/**
|
|
* @param null $p_len
|
|
* @return bool
|
|
*/
|
|
public function _jumpBlock($p_len = null)
|
|
{
|
|
if (is_resource($this->_file)) {
|
|
if ($p_len === null) {
|
|
$p_len = 1;
|
|
}
|
|
|
|
if ($this->_compress_type == 'gz') {
|
|
@gzseek($this->_file, gztell($this->_file) + ($p_len * 512));
|
|
} else {
|
|
if ($this->_compress_type == 'bz2') {
|
|
// ----- Replace missing bztell() and bzseek()
|
|
for ($i = 0; $i < $p_len; $i++) {
|
|
$this->_readBlock();
|
|
}
|
|
} else {
|
|
if ($this->_compress_type == 'lzma2') {
|
|
// ----- Replace missing xztell() and xzseek()
|
|
for ($i = 0; $i < $p_len; $i++) {
|
|
$this->_readBlock();
|
|
}
|
|
} else {
|
|
if ($this->_compress_type == 'none') {
|
|
@fseek($this->_file, $p_len * 512, SEEK_CUR);
|
|
} else {
|
|
$this->_error(
|
|
'Unknown or missing compression type ('
|
|
. $this->_compress_type . ')'
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @return bool
|
|
*/
|
|
public function _writeFooter()
|
|
{
|
|
if (is_resource($this->_file)) {
|
|
// ----- Write the last 0 filled block for end of archive
|
|
$v_binary_data = pack('a1024', '');
|
|
$this->_writeBlock($v_binary_data);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @param array $p_list
|
|
* @param string $p_add_dir
|
|
* @param string $p_remove_dir
|
|
* @return bool
|
|
*/
|
|
public function _addList($p_list, $p_add_dir, $p_remove_dir)
|
|
{
|
|
$v_result = true;
|
|
$v_header = array();
|
|
|
|
// ----- Remove potential windows directory separator
|
|
$p_add_dir = $this->_translateWinPath($p_add_dir);
|
|
$p_remove_dir = $this->_translateWinPath($p_remove_dir, false);
|
|
|
|
if (!$this->_file) {
|
|
$this->_error('Invalid file descriptor');
|
|
return false;
|
|
}
|
|
|
|
if (sizeof($p_list) == 0) {
|
|
return true;
|
|
}
|
|
|
|
foreach ($p_list as $v_filename) {
|
|
if (!$v_result) {
|
|
break;
|
|
}
|
|
|
|
// ----- Skip the current tar name
|
|
if ($v_filename == $this->_tarname) {
|
|
continue;
|
|
}
|
|
|
|
if ($v_filename == '') {
|
|
continue;
|
|
}
|
|
|
|
// ----- ignore files and directories matching the ignore regular expression
|
|
if ($this->_ignore_regexp && preg_match($this->_ignore_regexp, '/' . $v_filename)) {
|
|
$this->_warning("File '$v_filename' ignored");
|
|
continue;
|
|
}
|
|
|
|
if (!file_exists($v_filename) && !is_link($v_filename)) {
|
|
$this->_warning("File '$v_filename' does not exist");
|
|
continue;
|
|
}
|
|
|
|
// ----- Add the file or directory header
|
|
if (!$this->_addFile($v_filename, $v_header, $p_add_dir, $p_remove_dir)) {
|
|
return false;
|
|
}
|
|
|
|
if (@is_dir($v_filename) && !@is_link($v_filename)) {
|
|
if (!($p_hdir = opendir($v_filename))) {
|
|
$this->_warning("Directory '$v_filename' can not be read");
|
|
continue;
|
|
}
|
|
while (false !== ($p_hitem = readdir($p_hdir))) {
|
|
if (($p_hitem != '.') && ($p_hitem != '..')) {
|
|
if ($v_filename != ".") {
|
|
$p_temp_list[0] = $v_filename . '/' . $p_hitem;
|
|
} else {
|
|
$p_temp_list[0] = $p_hitem;
|
|
}
|
|
|
|
$v_result = $this->_addList(
|
|
$p_temp_list,
|
|
$p_add_dir,
|
|
$p_remove_dir
|
|
);
|
|
}
|
|
}
|
|
|
|
unset($p_temp_list);
|
|
unset($p_hdir);
|
|
unset($p_hitem);
|
|
}
|
|
}
|
|
|
|
return $v_result;
|
|
}
|
|
|
|
/**
|
|
* @param string $p_filename
|
|
* @param mixed $p_header
|
|
* @param string $p_add_dir
|
|
* @param string $p_remove_dir
|
|
* @param null $v_stored_filename
|
|
* @return bool
|
|
*/
|
|
public function _addFile($p_filename, &$p_header, $p_add_dir, $p_remove_dir, $v_stored_filename = null)
|
|
{
|
|
if (!$this->_file) {
|
|
$this->_error('Invalid file descriptor');
|
|
return false;
|
|
}
|
|
|
|
if ($p_filename == '') {
|
|
$this->_error('Invalid file name');
|
|
return false;
|
|
}
|
|
|
|
if (is_null($v_stored_filename)) {
|
|
// ----- Calculate the stored filename
|
|
$p_filename = $this->_translateWinPath($p_filename, false);
|
|
$v_stored_filename = $p_filename;
|
|
|
|
if (strcmp($p_filename, $p_remove_dir) == 0) {
|
|
return true;
|
|
}
|
|
|
|
if ($p_remove_dir != '') {
|
|
if (substr($p_remove_dir, -1) != '/') {
|
|
$p_remove_dir .= '/';
|
|
}
|
|
|
|
if (substr($p_filename, 0, strlen($p_remove_dir)) == $p_remove_dir) {
|
|
$v_stored_filename = substr($p_filename, strlen($p_remove_dir));
|
|
}
|
|
}
|
|
|
|
$v_stored_filename = $this->_translateWinPath($v_stored_filename);
|
|
if ($p_add_dir != '') {
|
|
if (substr($p_add_dir, -1) == '/') {
|
|
$v_stored_filename = $p_add_dir . $v_stored_filename;
|
|
} else {
|
|
$v_stored_filename = $p_add_dir . '/' . $v_stored_filename;
|
|
}
|
|
}
|
|
|
|
$v_stored_filename = $this->_pathReduction($v_stored_filename);
|
|
}
|
|
|
|
if ($this->_isArchive($p_filename)) {
|
|
if (($v_file = @fopen($p_filename, "rb")) == 0) {
|
|
$this->_warning(
|
|
"Unable to open file '" . $p_filename
|
|
. "' in binary read mode"
|
|
);
|
|
return true;
|
|
}
|
|
|
|
if (!$this->_writeHeader($p_filename, $v_stored_filename)) {
|
|
return false;
|
|
}
|
|
|
|
while (($v_buffer = fread($v_file, $this->buffer_length)) != '') {
|
|
$buffer_length = strlen("$v_buffer");
|
|
if ($buffer_length != $this->buffer_length) {
|
|
$pack_size = ((int)($buffer_length / 512) + ($buffer_length % 512 !== 0 ? 1 : 0)) * 512;
|
|
$pack_format = sprintf('a%d', $pack_size);
|
|
} else {
|
|
$pack_format = sprintf('a%d', $this->buffer_length);
|
|
}
|
|
$v_binary_data = pack($pack_format, "$v_buffer");
|
|
$this->_writeBlock($v_binary_data);
|
|
}
|
|
|
|
fclose($v_file);
|
|
} else {
|
|
// ----- Only header for dir
|
|
if (!$this->_writeHeader($p_filename, $v_stored_filename)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @param string $p_filename
|
|
* @param string $p_string
|
|
* @param bool $p_datetime
|
|
* @param array $p_params
|
|
* @return bool
|
|
*/
|
|
public function _addString($p_filename, $p_string, $p_datetime = false, $p_params = array())
|
|
{
|
|
$p_stamp = @$p_params["stamp"] ? $p_params["stamp"] : ($p_datetime ? $p_datetime : time());
|
|
$p_mode = @$p_params["mode"] ? $p_params["mode"] : 0600;
|
|
$p_type = @$p_params["type"] ? $p_params["type"] : "";
|
|
$p_uid = @$p_params["uid"] ? $p_params["uid"] : 0;
|
|
$p_gid = @$p_params["gid"] ? $p_params["gid"] : 0;
|
|
if (!$this->_file) {
|
|
$this->_error('Invalid file descriptor');
|
|
return false;
|
|
}
|
|
|
|
if ($p_filename == '') {
|
|
$this->_error('Invalid file name');
|
|
return false;
|
|
}
|
|
|
|
// ----- Calculate the stored filename
|
|
$p_filename = $this->_translateWinPath($p_filename, false);
|
|
|
|
// ----- If datetime is not specified, set current time
|
|
if ($p_datetime === false) {
|
|
$p_datetime = time();
|
|
}
|
|
|
|
if (!$this->_writeHeaderBlock(
|
|
$p_filename,
|
|
strlen($p_string),
|
|
$p_stamp,
|
|
$p_mode,
|
|
$p_type,
|
|
$p_uid,
|
|
$p_gid
|
|
)
|
|
) {
|
|
return false;
|
|
}
|
|
|
|
$i = 0;
|
|
while (($v_buffer = substr($p_string, (($i++) * 512), 512)) != '') {
|
|
$v_binary_data = pack("a512", $v_buffer);
|
|
$this->_writeBlock($v_binary_data);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @param string $p_filename
|
|
* @param string $p_stored_filename
|
|
* @return bool
|
|
*/
|
|
public function _writeHeader($p_filename, $p_stored_filename)
|
|
{
|
|
if ($p_stored_filename == '') {
|
|
$p_stored_filename = $p_filename;
|
|
}
|
|
|
|
$v_reduced_filename = $this->_pathReduction($p_stored_filename);
|
|
|
|
if (strlen($v_reduced_filename) > 99) {
|
|
if (!$this->_writeLongHeader($v_reduced_filename, false)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
$v_linkname = '';
|
|
if (@is_link($p_filename)) {
|
|
$v_linkname = readlink($p_filename);
|
|
}
|
|
|
|
if (strlen($v_linkname) > 99) {
|
|
if (!$this->_writeLongHeader($v_linkname, true)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
$v_info = lstat($p_filename);
|
|
$v_uid = sprintf("%07s", DecOct($v_info[4]));
|
|
$v_gid = sprintf("%07s", DecOct($v_info[5]));
|
|
$v_perms = sprintf("%07s", DecOct($v_info['mode'] & 000777));
|
|
$v_mtime = sprintf("%011s", DecOct($v_info['mtime']));
|
|
|
|
if (@is_link($p_filename)) {
|
|
$v_typeflag = '2';
|
|
$v_size = sprintf("%011s", DecOct(0));
|
|
} elseif (@is_dir($p_filename)) {
|
|
$v_typeflag = "5";
|
|
$v_size = sprintf("%011s", DecOct(0));
|
|
} else {
|
|
$v_typeflag = '0';
|
|
clearstatcache();
|
|
$v_size = sprintf("%011s", DecOct($v_info['size']));
|
|
}
|
|
|
|
$v_magic = 'ustar ';
|
|
$v_version = ' ';
|
|
$v_uname = '';
|
|
$v_gname = '';
|
|
|
|
if (function_exists('posix_getpwuid')) {
|
|
$userinfo = posix_getpwuid($v_info[4]);
|
|
$groupinfo = posix_getgrgid($v_info[5]);
|
|
|
|
if (isset($userinfo['name'])) {
|
|
$v_uname = $userinfo['name'];
|
|
}
|
|
|
|
if (isset($groupinfo['name'])) {
|
|
$v_gname = $groupinfo['name'];
|
|
}
|
|
}
|
|
|
|
$v_devmajor = '';
|
|
$v_devminor = '';
|
|
$v_prefix = '';
|
|
|
|
$v_binary_data_first = pack(
|
|
"a100a8a8a8a12a12",
|
|
$v_reduced_filename,
|
|
$v_perms,
|
|
$v_uid,
|
|
$v_gid,
|
|
$v_size,
|
|
$v_mtime
|
|
);
|
|
$v_binary_data_last = pack(
|
|
"a1a100a6a2a32a32a8a8a155a12",
|
|
$v_typeflag,
|
|
$v_linkname,
|
|
$v_magic,
|
|
$v_version,
|
|
$v_uname,
|
|
$v_gname,
|
|
$v_devmajor,
|
|
$v_devminor,
|
|
$v_prefix,
|
|
''
|
|
);
|
|
|
|
// ----- Calculate the checksum
|
|
$v_checksum = 0;
|
|
// ..... First part of the header
|
|
for ($i = 0; $i < 148; $i++) {
|
|
$v_checksum += ord(substr($v_binary_data_first, $i, 1));
|
|
}
|
|
// ..... Ignore the checksum value and replace it by ' ' (space)
|
|
for ($i = 148; $i < 156; $i++) {
|
|
$v_checksum += ord(' ');
|
|
}
|
|
// ..... Last part of the header
|
|
for ($i = 156, $j = 0; $i < 512; $i++, $j++) {
|
|
$v_checksum += ord(substr($v_binary_data_last, $j, 1));
|
|
}
|
|
|
|
// ----- Write the first 148 bytes of the header in the archive
|
|
$this->_writeBlock($v_binary_data_first, 148);
|
|
|
|
// ----- Write the calculated checksum
|
|
$v_checksum = sprintf("%06s\0 ", DecOct($v_checksum));
|
|
$v_binary_data = pack("a8", $v_checksum);
|
|
$this->_writeBlock($v_binary_data, 8);
|
|
|
|
// ----- Write the last 356 bytes of the header in the archive
|
|
$this->_writeBlock($v_binary_data_last, 356);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @param string $p_filename
|
|
* @param int $p_size
|
|
* @param int $p_mtime
|
|
* @param int $p_perms
|
|
* @param string $p_type
|
|
* @param int $p_uid
|
|
* @param int $p_gid
|
|
* @return bool
|
|
*/
|
|
public function _writeHeaderBlock(
|
|
$p_filename,
|
|
$p_size,
|
|
$p_mtime = 0,
|
|
$p_perms = 0,
|
|
$p_type = '',
|
|
$p_uid = 0,
|
|
$p_gid = 0
|
|
)
|
|
{
|
|
$p_filename = $this->_pathReduction($p_filename);
|
|
|
|
if (strlen($p_filename) > 99) {
|
|
if (!$this->_writeLongHeader($p_filename, false)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if ($p_type == "5") {
|
|
$v_size = sprintf("%011s", DecOct(0));
|
|
} else {
|
|
$v_size = sprintf("%011s", DecOct($p_size));
|
|
}
|
|
|
|
$v_uid = sprintf("%07s", DecOct($p_uid));
|
|
$v_gid = sprintf("%07s", DecOct($p_gid));
|
|
$v_perms = sprintf("%07s", DecOct($p_perms & 000777));
|
|
|
|
$v_mtime = sprintf("%11s", DecOct($p_mtime));
|
|
|
|
$v_linkname = '';
|
|
|
|
$v_magic = 'ustar ';
|
|
|
|
$v_version = ' ';
|
|
|
|
if (function_exists('posix_getpwuid')) {
|
|
$userinfo = posix_getpwuid($p_uid);
|
|
$groupinfo = posix_getgrgid($p_gid);
|
|
|
|
if ($userinfo === false || $groupinfo === false) {
|
|
$v_uname = '';
|
|
$v_gname = '';
|
|
} else {
|
|
$v_uname = $userinfo['name'];
|
|
$v_gname = $groupinfo['name'];
|
|
}
|
|
} else {
|
|
$v_uname = '';
|
|
$v_gname = '';
|
|
}
|
|
|
|
$v_devmajor = '';
|
|
|
|
$v_devminor = '';
|
|
|
|
$v_prefix = '';
|
|
|
|
$v_binary_data_first = pack(
|
|
"a100a8a8a8a12A12",
|
|
$p_filename,
|
|
$v_perms,
|
|
$v_uid,
|
|
$v_gid,
|
|
$v_size,
|
|
$v_mtime
|
|
);
|
|
$v_binary_data_last = pack(
|
|
"a1a100a6a2a32a32a8a8a155a12",
|
|
$p_type,
|
|
$v_linkname,
|
|
$v_magic,
|
|
$v_version,
|
|
$v_uname,
|
|
$v_gname,
|
|
$v_devmajor,
|
|
$v_devminor,
|
|
$v_prefix,
|
|
''
|
|
);
|
|
|
|
// ----- Calculate the checksum
|
|
$v_checksum = 0;
|
|
// ..... First part of the header
|
|
for ($i = 0; $i < 148; $i++) {
|
|
$v_checksum += ord(substr($v_binary_data_first, $i, 1));
|
|
}
|
|
// ..... Ignore the checksum value and replace it by ' ' (space)
|
|
for ($i = 148; $i < 156; $i++) {
|
|
$v_checksum += ord(' ');
|
|
}
|
|
// ..... Last part of the header
|
|
for ($i = 156, $j = 0; $i < 512; $i++, $j++) {
|
|
$v_checksum += ord(substr($v_binary_data_last, $j, 1));
|
|
}
|
|
|
|
// ----- Write the first 148 bytes of the header in the archive
|
|
$this->_writeBlock($v_binary_data_first, 148);
|
|
|
|
// ----- Write the calculated checksum
|
|
$v_checksum = sprintf("%06s ", DecOct($v_checksum));
|
|
$v_binary_data = pack("a8", $v_checksum);
|
|
$this->_writeBlock($v_binary_data, 8);
|
|
|
|
// ----- Write the last 356 bytes of the header in the archive
|
|
$this->_writeBlock($v_binary_data_last, 356);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @param string $p_filename
|
|
* @return bool
|
|
*/
|
|
public function _writeLongHeader($p_filename, $is_link = false)
|
|
{
|
|
$v_uid = sprintf("%07s", 0);
|
|
$v_gid = sprintf("%07s", 0);
|
|
$v_perms = sprintf("%07s", 0);
|
|
$v_size = sprintf("%'011s", DecOct(strlen($p_filename)));
|
|
$v_mtime = sprintf("%011s", 0);
|
|
$v_typeflag = ($is_link ? 'K' : 'L');
|
|
$v_linkname = '';
|
|
$v_magic = 'ustar ';
|
|
$v_version = ' ';
|
|
$v_uname = '';
|
|
$v_gname = '';
|
|
$v_devmajor = '';
|
|
$v_devminor = '';
|
|
$v_prefix = '';
|
|
|
|
$v_binary_data_first = pack(
|
|
"a100a8a8a8a12a12",
|
|
'././@LongLink',
|
|
$v_perms,
|
|
$v_uid,
|
|
$v_gid,
|
|
$v_size,
|
|
$v_mtime
|
|
);
|
|
$v_binary_data_last = pack(
|
|
"a1a100a6a2a32a32a8a8a155a12",
|
|
$v_typeflag,
|
|
$v_linkname,
|
|
$v_magic,
|
|
$v_version,
|
|
$v_uname,
|
|
$v_gname,
|
|
$v_devmajor,
|
|
$v_devminor,
|
|
$v_prefix,
|
|
''
|
|
);
|
|
|
|
// ----- Calculate the checksum
|
|
$v_checksum = 0;
|
|
// ..... First part of the header
|
|
for ($i = 0; $i < 148; $i++) {
|
|
$v_checksum += ord(substr($v_binary_data_first, $i, 1));
|
|
}
|
|
// ..... Ignore the checksum value and replace it by ' ' (space)
|
|
for ($i = 148; $i < 156; $i++) {
|
|
$v_checksum += ord(' ');
|
|
}
|
|
// ..... Last part of the header
|
|
for ($i = 156, $j = 0; $i < 512; $i++, $j++) {
|
|
$v_checksum += ord(substr($v_binary_data_last, $j, 1));
|
|
}
|
|
|
|
// ----- Write the first 148 bytes of the header in the archive
|
|
$this->_writeBlock($v_binary_data_first, 148);
|
|
|
|
// ----- Write the calculated checksum
|
|
$v_checksum = sprintf("%06s\0 ", DecOct($v_checksum));
|
|
$v_binary_data = pack("a8", $v_checksum);
|
|
$this->_writeBlock($v_binary_data, 8);
|
|
|
|
// ----- Write the last 356 bytes of the header in the archive
|
|
$this->_writeBlock($v_binary_data_last, 356);
|
|
|
|
// ----- Write the filename as content of the block
|
|
$i = 0;
|
|
while (($v_buffer = substr($p_filename, (($i++) * 512), 512)) != '') {
|
|
$v_binary_data = pack("a512", "$v_buffer");
|
|
$this->_writeBlock($v_binary_data);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @param mixed $v_binary_data
|
|
* @param mixed $v_header
|
|
* @return bool
|
|
*/
|
|
public function _readHeader($v_binary_data, &$v_header)
|
|
{
|
|
if (strlen($v_binary_data) == 0) {
|
|
$v_header['filename'] = '';
|
|
return true;
|
|
}
|
|
|
|
if (strlen($v_binary_data) != 512) {
|
|
$v_header['filename'] = '';
|
|
$this->_error('Invalid block size : ' . strlen($v_binary_data));
|
|
return false;
|
|
}
|
|
|
|
if (!is_array($v_header)) {
|
|
$v_header = array();
|
|
}
|
|
// ----- Calculate the checksum
|
|
$v_checksum = 0;
|
|
// ..... First part of the header
|
|
$v_binary_split = str_split($v_binary_data);
|
|
$v_checksum += array_sum(array_map('ord', array_slice($v_binary_split, 0, 148)));
|
|
$v_checksum += array_sum(array_map('ord', array(' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',)));
|
|
$v_checksum += array_sum(array_map('ord', array_slice($v_binary_split, 156, 512)));
|
|
|
|
|
|
$v_data = unpack($this->_fmt, $v_binary_data);
|
|
|
|
if (strlen($v_data["prefix"]) > 0) {
|
|
$v_data["filename"] = "$v_data[prefix]/$v_data[filename]";
|
|
}
|
|
|
|
// ----- Extract the checksum
|
|
$v_data_checksum = trim($v_data['checksum']);
|
|
if (!preg_match('/^[0-7]*$/', $v_data_checksum)) {
|
|
$this->_error(
|
|
'Invalid checksum for file "' . $v_data['filename']
|
|
. '" : ' . $v_data_checksum . ' extracted'
|
|
);
|
|
return false;
|
|
}
|
|
|
|
$v_header['checksum'] = OctDec($v_data_checksum);
|
|
if ($v_header['checksum'] != $v_checksum) {
|
|
$v_header['filename'] = '';
|
|
|
|
// ----- Look for last block (empty block)
|
|
if (($v_checksum == 256) && ($v_header['checksum'] == 0)) {
|
|
return true;
|
|
}
|
|
|
|
$this->_error(
|
|
'Invalid checksum for file "' . $v_data['filename']
|
|
. '" : ' . $v_checksum . ' calculated, '
|
|
. $v_header['checksum'] . ' expected'
|
|
);
|
|
return false;
|
|
}
|
|
|
|
// ----- Extract the properties
|
|
$v_header['filename'] = rtrim($v_data['filename'], "\0");
|
|
if ($this->_isMaliciousFilename($v_header['filename'])) {
|
|
$this->_error(
|
|
'Malicious .tar detected, file "' . $v_header['filename'] .
|
|
'" will not install in desired directory tree'
|
|
);
|
|
return false;
|
|
}
|
|
$v_header['mode'] = OctDec(trim($v_data['mode']));
|
|
$v_header['uid'] = OctDec(trim($v_data['uid']));
|
|
$v_header['gid'] = OctDec(trim($v_data['gid']));
|
|
$v_header['size'] = $this->_tarRecToSize($v_data['size']);
|
|
$v_header['mtime'] = OctDec(trim($v_data['mtime']));
|
|
if (($v_header['typeflag'] = $v_data['typeflag']) == "5") {
|
|
$v_header['size'] = 0;
|
|
}
|
|
$v_header['link'] = trim($v_data['link']);
|
|
/* ----- All these fields are removed form the header because
|
|
they do not carry interesting info
|
|
$v_header[magic] = trim($v_data[magic]);
|
|
$v_header[version] = trim($v_data[version]);
|
|
$v_header[uname] = trim($v_data[uname]);
|
|
$v_header[gname] = trim($v_data[gname]);
|
|
$v_header[devmajor] = trim($v_data[devmajor]);
|
|
$v_header[devminor] = trim($v_data[devminor]);
|
|
*/
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Convert Tar record size to actual size
|
|
*
|
|
* @param string $tar_size
|
|
* @return size of tar record in bytes
|
|
*/
|
|
private function _tarRecToSize($tar_size)
|
|
{
|
|
/*
|
|
* First byte of size has a special meaning if bit 7 is set.
|
|
*
|
|
* Bit 7 indicates base-256 encoding if set.
|
|
* Bit 6 is the sign bit.
|
|
* Bits 5:0 are most significant value bits.
|
|
*/
|
|
$ch = ord($tar_size[0]);
|
|
if ($ch & 0x80) {
|
|
// Full 12-bytes record is required.
|
|
$rec_str = $tar_size . "\x00";
|
|
|
|
$size = ($ch & 0x40) ? -1 : 0;
|
|
$size = ($size << 6) | ($ch & 0x3f);
|
|
|
|
for ($num_ch = 1; $num_ch < 12; ++$num_ch) {
|
|
$size = ($size * 256) + ord($rec_str[$num_ch]);
|
|
}
|
|
|
|
return $size;
|
|
|
|
} else {
|
|
return OctDec(trim($tar_size));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Detect and report a malicious file name
|
|
*
|
|
* @param string $file
|
|
*
|
|
* @return bool
|
|
*/
|
|
private function _isMaliciousFilename($file)
|
|
{
|
|
if (strpos($file, '://') !== false) {
|
|
return true;
|
|
}
|
|
if (strpos($file, '../') !== false || strpos($file, '..\\') !== false) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* @param $v_header
|
|
* @return bool
|
|
*/
|
|
public function _readLongHeader(&$v_header)
|
|
{
|
|
$v_filename = '';
|
|
$v_filesize = $v_header['size'];
|
|
$n = floor($v_header['size'] / 512);
|
|
for ($i = 0; $i < $n; $i++) {
|
|
$v_content = $this->_readBlock();
|
|
$v_filename .= $v_content;
|
|
}
|
|
if (($v_header['size'] % 512) != 0) {
|
|
$v_content = $this->_readBlock();
|
|
$v_filename .= $v_content;
|
|
}
|
|
|
|
// ----- Read the next header
|
|
$v_binary_data = $this->_readBlock();
|
|
|
|
if (!$this->_readHeader($v_binary_data, $v_header)) {
|
|
return false;
|
|
}
|
|
|
|
$v_filename = rtrim(substr($v_filename, 0, $v_filesize), "\0");
|
|
$v_header['filename'] = $v_filename;
|
|
if ($this->_isMaliciousFilename($v_filename)) {
|
|
$this->_error(
|
|
'Malicious .tar detected, file "' . $v_filename .
|
|
'" will not install in desired directory tree'
|
|
);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* This method extract from the archive one file identified by $p_filename.
|
|
* The return value is a string with the file content, or null on error.
|
|
*
|
|
* @param string $p_filename The path of the file to extract in a string.
|
|
*
|
|
* @return a string with the file content or null.
|
|
*/
|
|
private function _extractInString($p_filename)
|
|
{
|
|
$v_result_str = "";
|
|
|
|
while (strlen($v_binary_data = $this->_readBlock()) != 0) {
|
|
if (!$this->_readHeader($v_binary_data, $v_header)) {
|
|
return null;
|
|
}
|
|
|
|
if ($v_header['filename'] == '') {
|
|
continue;
|
|
}
|
|
|
|
switch ($v_header['typeflag']) {
|
|
case 'L':
|
|
{
|
|
if (!$this->_readLongHeader($v_header)) {
|
|
return null;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 'K':
|
|
{
|
|
$v_link_header = $v_header;
|
|
if (!$this->_readLongHeader($v_link_header)) {
|
|
return null;
|
|
}
|
|
$v_header['link'] = $v_link_header['filename'];
|
|
}
|
|
break;
|
|
}
|
|
|
|
if ($v_header['filename'] == $p_filename) {
|
|
if ($v_header['typeflag'] == "5") {
|
|
$this->_error(
|
|
'Unable to extract in string a directory '
|
|
. 'entry {' . $v_header['filename'] . '}'
|
|
);
|
|
return null;
|
|
} else {
|
|
$n = floor($v_header['size'] / 512);
|
|
for ($i = 0; $i < $n; $i++) {
|
|
$v_result_str .= $this->_readBlock();
|
|
}
|
|
if (($v_header['size'] % 512) != 0) {
|
|
$v_content = $this->_readBlock();
|
|
$v_result_str .= substr(
|
|
$v_content,
|
|
0,
|
|
($v_header['size'] % 512)
|
|
);
|
|
}
|
|
return $v_result_str;
|
|
}
|
|
} else {
|
|
$this->_jumpBlock(ceil(($v_header['size'] / 512)));
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* @param string $p_path
|
|
* @param string $p_list_detail
|
|
* @param string $p_mode
|
|
* @param string $p_file_list
|
|
* @param string $p_remove_path
|
|
* @param bool $p_preserve
|
|
* @param bool $p_symlinks
|
|
* @return bool
|
|
*/
|
|
public function _extractList(
|
|
$p_path,
|
|
&$p_list_detail,
|
|
$p_mode,
|
|
$p_file_list,
|
|
$p_remove_path,
|
|
$p_preserve = false,
|
|
$p_symlinks = true
|
|
)
|
|
{
|
|
$v_result = true;
|
|
$v_nb = 0;
|
|
$v_extract_all = true;
|
|
$v_listing = false;
|
|
|
|
$p_path = $this->_translateWinPath($p_path, false);
|
|
if ($p_path == '' || (substr($p_path, 0, 1) != '/'
|
|
&& substr($p_path, 0, 3) != "../" && !strpos($p_path, ':'))
|
|
) {
|
|
$p_path = "./" . $p_path;
|
|
}
|
|
$p_remove_path = $this->_translateWinPath($p_remove_path);
|
|
|
|
// ----- Look for path to remove format (should end by /)
|
|
if (($p_remove_path != '') && (substr($p_remove_path, -1) != '/')) {
|
|
$p_remove_path .= '/';
|
|
}
|
|
$p_remove_path_size = strlen($p_remove_path);
|
|
|
|
switch ($p_mode) {
|
|
case "complete" :
|
|
$v_extract_all = true;
|
|
$v_listing = false;
|
|
break;
|
|
case "partial" :
|
|
$v_extract_all = false;
|
|
$v_listing = false;
|
|
break;
|
|
case "list" :
|
|
$v_extract_all = false;
|
|
$v_listing = true;
|
|
break;
|
|
default :
|
|
$this->_error('Invalid extract mode (' . $p_mode . ')');
|
|
return false;
|
|
}
|
|
|
|
clearstatcache();
|
|
|
|
while (strlen($v_binary_data = $this->_readBlock()) != 0) {
|
|
$v_extract_file = false;
|
|
$v_extraction_stopped = 0;
|
|
|
|
if (!$this->_readHeader($v_binary_data, $v_header)) {
|
|
return false;
|
|
}
|
|
|
|
if ($v_header['filename'] == '') {
|
|
continue;
|
|
}
|
|
|
|
switch ($v_header['typeflag']) {
|
|
case 'L':
|
|
{
|
|
if (!$this->_readLongHeader($v_header)) {
|
|
return null;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 'K':
|
|
{
|
|
$v_link_header = $v_header;
|
|
if (!$this->_readLongHeader($v_link_header)) {
|
|
return null;
|
|
}
|
|
$v_header['link'] = $v_link_header['filename'];
|
|
}
|
|
break;
|
|
}
|
|
|
|
// ignore extended / pax headers
|
|
if ($v_header['typeflag'] == 'x' || $v_header['typeflag'] == 'g') {
|
|
$this->_jumpBlock(ceil(($v_header['size'] / 512)));
|
|
continue;
|
|
}
|
|
|
|
if ((!$v_extract_all) && (is_array($p_file_list))) {
|
|
// ----- By default no unzip if the file is not found
|
|
$v_extract_file = false;
|
|
|
|
for ($i = 0; $i < sizeof($p_file_list); $i++) {
|
|
// ----- Look if it is a directory
|
|
if (substr($p_file_list[$i], -1) == '/') {
|
|
// ----- Look if the directory is in the filename path
|
|
if ((strlen($v_header['filename']) > strlen($p_file_list[$i]))
|
|
&& (substr($v_header['filename'], 0, strlen($p_file_list[$i]))
|
|
== $p_file_list[$i])
|
|
) {
|
|
$v_extract_file = true;
|
|
break;
|
|
}
|
|
} // ----- It is a file, so compare the file names
|
|
elseif ($p_file_list[$i] == $v_header['filename']) {
|
|
$v_extract_file = true;
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
$v_extract_file = true;
|
|
}
|
|
|
|
// ----- Look if this file need to be extracted
|
|
if (($v_extract_file) && (!$v_listing)) {
|
|
if (($p_remove_path != '')
|
|
&& (substr($v_header['filename'] . '/', 0, $p_remove_path_size)
|
|
== $p_remove_path)
|
|
) {
|
|
$v_header['filename'] = substr(
|
|
$v_header['filename'],
|
|
$p_remove_path_size
|
|
);
|
|
if ($v_header['filename'] == '') {
|
|
continue;
|
|
}
|
|
}
|
|
if (($p_path != './') && ($p_path != '/')) {
|
|
while (substr($p_path, -1) == '/') {
|
|
$p_path = substr($p_path, 0, strlen($p_path) - 1);
|
|
}
|
|
|
|
if (substr($v_header['filename'], 0, 1) == '/') {
|
|
$v_header['filename'] = $p_path . $v_header['filename'];
|
|
} else {
|
|
$v_header['filename'] = $p_path . '/' . $v_header['filename'];
|
|
}
|
|
}
|
|
if (file_exists($v_header['filename'])) {
|
|
if ((@is_dir($v_header['filename']))
|
|
&& ($v_header['typeflag'] == '')
|
|
) {
|
|
$this->_error(
|
|
'File ' . $v_header['filename']
|
|
. ' already exists as a directory'
|
|
);
|
|
return false;
|
|
}
|
|
if (($this->_isArchive($v_header['filename']))
|
|
&& ($v_header['typeflag'] == "5")
|
|
) {
|
|
$this->_error(
|
|
'Directory ' . $v_header['filename']
|
|
. ' already exists as a file'
|
|
);
|
|
return false;
|
|
}
|
|
if (!is_writeable($v_header['filename'])) {
|
|
$this->_error(
|
|
'File ' . $v_header['filename']
|
|
. ' already exists and is write protected'
|
|
);
|
|
return false;
|
|
}
|
|
if (filemtime($v_header['filename']) > $v_header['mtime']) {
|
|
// To be completed : An error or silent no replace ?
|
|
}
|
|
} // ----- Check the directory availability and create it if necessary
|
|
elseif (($v_result
|
|
= $this->_dirCheck(
|
|
($v_header['typeflag'] == "5"
|
|
? $v_header['filename']
|
|
: dirname($v_header['filename']))
|
|
)) != 1
|
|
) {
|
|
$this->_error('Unable to create path for ' . $v_header['filename']);
|
|
return false;
|
|
}
|
|
|
|
if ($v_extract_file) {
|
|
if ($v_header['typeflag'] == "5") {
|
|
if (!@file_exists($v_header['filename'])) {
|
|
if (!@mkdir($v_header['filename'], 0777)) {
|
|
$this->_error(
|
|
'Unable to create directory {'
|
|
. $v_header['filename'] . '}'
|
|
);
|
|
return false;
|
|
}
|
|
}
|
|
} elseif ($v_header['typeflag'] == "2") {
|
|
if (!$p_symlinks) {
|
|
$this->_warning('Symbolic links are not allowed. '
|
|
. 'Unable to extract {'
|
|
. $v_header['filename'] . '}'
|
|
);
|
|
return false;
|
|
}
|
|
$absolute_link = FALSE;
|
|
$link_depth = 0;
|
|
if (strpos($v_header['link'], "/") === 0 || strpos($v_header['link'], ':') !== FALSE) {
|
|
$absolute_link = TRUE;
|
|
}
|
|
else {
|
|
$s_filename = preg_replace('@^' . preg_quote($p_path) . '@', "", $v_header['filename']);
|
|
$s_linkname = str_replace('\\', '/', $v_header['link']);
|
|
foreach (explode("/", $s_filename) as $dir) {
|
|
if ($dir === "..") {
|
|
$link_depth--;
|
|
} elseif ($dir !== "" && $dir !== "." ) {
|
|
$link_depth++;
|
|
}
|
|
}
|
|
foreach (explode("/", $s_linkname) as $dir){
|
|
if ($link_depth <= 0) {
|
|
break;
|
|
}
|
|
if ($dir === "..") {
|
|
$link_depth--;
|
|
} elseif ($dir !== "" && $dir !== ".") {
|
|
$link_depth++;
|
|
}
|
|
}
|
|
}
|
|
if ($absolute_link || $link_depth <= 0) {
|
|
$this->_error(
|
|
'Out-of-path file extraction {'
|
|
. $v_header['filename'] . ' --> ' .
|
|
$v_header['link'] . '}'
|
|
);
|
|
return false;
|
|
}
|
|
if (@file_exists($v_header['filename'])) {
|
|
@unlink($v_header['filename']);
|
|
}
|
|
if (!@symlink($v_header['link'], $v_header['filename'])) {
|
|
$this->_error(
|
|
'Unable to extract symbolic link {'
|
|
. $v_header['filename'] . '}'
|
|
);
|
|
return false;
|
|
}
|
|
} else {
|
|
if (($v_dest_file = @fopen($v_header['filename'], "wb")) == 0) {
|
|
$this->_error(
|
|
'Error while opening {' . $v_header['filename']
|
|
. '} in write binary mode'
|
|
);
|
|
return false;
|
|
} else {
|
|
$n = floor($v_header['size'] / 512);
|
|
for ($i = 0; $i < $n; $i++) {
|
|
$v_content = $this->_readBlock();
|
|
fwrite($v_dest_file, $v_content, 512);
|
|
}
|
|
if (($v_header['size'] % 512) != 0) {
|
|
$v_content = $this->_readBlock();
|
|
fwrite($v_dest_file, $v_content, ($v_header['size'] % 512));
|
|
}
|
|
|
|
@fclose($v_dest_file);
|
|
|
|
if ($p_preserve) {
|
|
@chown($v_header['filename'], $v_header['uid']);
|
|
@chgrp($v_header['filename'], $v_header['gid']);
|
|
}
|
|
|
|
// ----- Change the file mode, mtime
|
|
@touch($v_header['filename'], $v_header['mtime']);
|
|
if ($v_header['mode'] & 0111) {
|
|
// make file executable, obey umask
|
|
$mode = fileperms($v_header['filename']) | (~umask() & 0111);
|
|
@chmod($v_header['filename'], $mode);
|
|
}
|
|
}
|
|
|
|
// ----- Check the file size
|
|
clearstatcache();
|
|
if (!is_file($v_header['filename'])) {
|
|
$this->_error(
|
|
'Extracted file ' . $v_header['filename']
|
|
. 'does not exist. Archive may be corrupted.'
|
|
);
|
|
return false;
|
|
}
|
|
|
|
$filesize = filesize($v_header['filename']);
|
|
if ($filesize != $v_header['size']) {
|
|
$this->_error(
|
|
'Extracted file ' . $v_header['filename']
|
|
. ' does not have the correct file size \''
|
|
. $filesize
|
|
. '\' (' . $v_header['size']
|
|
. ' expected). Archive may be corrupted.'
|
|
);
|
|
return false;
|
|
}
|
|
}
|
|
} else {
|
|
$this->_jumpBlock(ceil(($v_header['size'] / 512)));
|
|
}
|
|
} else {
|
|
$this->_jumpBlock(ceil(($v_header['size'] / 512)));
|
|
}
|
|
|
|
/* TBC : Seems to be unused ...
|
|
if ($this->_compress)
|
|
$v_end_of_file = @gzeof($this->_file);
|
|
else
|
|
$v_end_of_file = @feof($this->_file);
|
|
*/
|
|
|
|
if ($v_listing || $v_extract_file || $v_extraction_stopped) {
|
|
// ----- Log extracted files
|
|
if (($v_file_dir = dirname($v_header['filename']))
|
|
== $v_header['filename']
|
|
) {
|
|
$v_file_dir = '';
|
|
}
|
|
if ((substr($v_header['filename'], 0, 1) == '/') && ($v_file_dir == '')) {
|
|
$v_file_dir = '/';
|
|
}
|
|
|
|
$p_list_detail[$v_nb++] = $v_header;
|
|
if (is_array($p_file_list) && (count($p_list_detail) == count($p_file_list))) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @return bool
|
|
*/
|
|
public function _openAppend()
|
|
{
|
|
if (filesize($this->_tarname) == 0) {
|
|
return $this->_openWrite();
|
|
}
|
|
|
|
if ($this->_compress) {
|
|
$this->_close();
|
|
|
|
if (!@rename($this->_tarname, $this->_tarname . ".tmp")) {
|
|
$this->_error(
|
|
'Error while renaming \'' . $this->_tarname
|
|
. '\' to temporary file \'' . $this->_tarname
|
|
. '.tmp\''
|
|
);
|
|
return false;
|
|
}
|
|
|
|
if ($this->_compress_type == 'gz') {
|
|
$v_temp_tar = @gzopen($this->_tarname . ".tmp", "rb");
|
|
} elseif ($this->_compress_type == 'bz2') {
|
|
$v_temp_tar = @bzopen($this->_tarname . ".tmp", "r");
|
|
} elseif ($this->_compress_type == 'lzma2') {
|
|
$v_temp_tar = @xzopen($this->_tarname . ".tmp", "r");
|
|
}
|
|
|
|
|
|
if ($v_temp_tar == 0) {
|
|
$this->_error(
|
|
'Unable to open file \'' . $this->_tarname
|
|
. '.tmp\' in binary read mode'
|
|
);
|
|
@rename($this->_tarname . ".tmp", $this->_tarname);
|
|
return false;
|
|
}
|
|
|
|
if (!$this->_openWrite()) {
|
|
@rename($this->_tarname . ".tmp", $this->_tarname);
|
|
return false;
|
|
}
|
|
|
|
if ($this->_compress_type == 'gz') {
|
|
$end_blocks = 0;
|
|
|
|
while (!@gzeof($v_temp_tar)) {
|
|
$v_buffer = @gzread($v_temp_tar, 512);
|
|
if ($v_buffer == ARCHIVE_TAR_END_BLOCK || strlen($v_buffer) == 0) {
|
|
$end_blocks++;
|
|
// do not copy end blocks, we will re-make them
|
|
// after appending
|
|
continue;
|
|
} elseif ($end_blocks > 0) {
|
|
for ($i = 0; $i < $end_blocks; $i++) {
|
|
$this->_writeBlock(ARCHIVE_TAR_END_BLOCK);
|
|
}
|
|
$end_blocks = 0;
|
|
}
|
|
$v_binary_data = pack("a512", $v_buffer);
|
|
$this->_writeBlock($v_binary_data);
|
|
}
|
|
|
|
@gzclose($v_temp_tar);
|
|
} elseif ($this->_compress_type == 'bz2') {
|
|
$end_blocks = 0;
|
|
|
|
while (strlen($v_buffer = @bzread($v_temp_tar, 512)) > 0) {
|
|
if ($v_buffer == ARCHIVE_TAR_END_BLOCK || strlen($v_buffer) == 0) {
|
|
$end_blocks++;
|
|
// do not copy end blocks, we will re-make them
|
|
// after appending
|
|
continue;
|
|
} elseif ($end_blocks > 0) {
|
|
for ($i = 0; $i < $end_blocks; $i++) {
|
|
$this->_writeBlock(ARCHIVE_TAR_END_BLOCK);
|
|
}
|
|
$end_blocks = 0;
|
|
}
|
|
$v_binary_data = pack("a512", $v_buffer);
|
|
$this->_writeBlock($v_binary_data);
|
|
}
|
|
|
|
@bzclose($v_temp_tar);
|
|
} elseif ($this->_compress_type == 'lzma2') {
|
|
$end_blocks = 0;
|
|
|
|
while (strlen($v_buffer = @xzread($v_temp_tar, 512)) > 0) {
|
|
if ($v_buffer == ARCHIVE_TAR_END_BLOCK || strlen($v_buffer) == 0) {
|
|
$end_blocks++;
|
|
// do not copy end blocks, we will re-make them
|
|
// after appending
|
|
continue;
|
|
} elseif ($end_blocks > 0) {
|
|
for ($i = 0; $i < $end_blocks; $i++) {
|
|
$this->_writeBlock(ARCHIVE_TAR_END_BLOCK);
|
|
}
|
|
$end_blocks = 0;
|
|
}
|
|
$v_binary_data = pack("a512", $v_buffer);
|
|
$this->_writeBlock($v_binary_data);
|
|
}
|
|
|
|
@xzclose($v_temp_tar);
|
|
}
|
|
|
|
if (!@unlink($this->_tarname . ".tmp")) {
|
|
$this->_error(
|
|
'Error while deleting temporary file \''
|
|
. $this->_tarname . '.tmp\''
|
|
);
|
|
}
|
|
} else {
|
|
// ----- For not compressed tar, just add files before the last
|
|
// one or two 512 bytes block
|
|
if (!$this->_openReadWrite()) {
|
|
return false;
|
|
}
|
|
|
|
clearstatcache();
|
|
$v_size = filesize($this->_tarname);
|
|
|
|
// We might have zero, one or two end blocks.
|
|
// The standard is two, but we should try to handle
|
|
// other cases.
|
|
fseek($this->_file, $v_size - 1024);
|
|
if (fread($this->_file, 512) == ARCHIVE_TAR_END_BLOCK) {
|
|
fseek($this->_file, $v_size - 1024);
|
|
} elseif (fread($this->_file, 512) == ARCHIVE_TAR_END_BLOCK) {
|
|
fseek($this->_file, $v_size - 512);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @param $p_filelist
|
|
* @param string $p_add_dir
|
|
* @param string $p_remove_dir
|
|
* @return bool
|
|
*/
|
|
public function _append($p_filelist, $p_add_dir = '', $p_remove_dir = '')
|
|
{
|
|
if (!$this->_openAppend()) {
|
|
return false;
|
|
}
|
|
|
|
if ($this->_addList($p_filelist, $p_add_dir, $p_remove_dir)) {
|
|
$this->_writeFooter();
|
|
}
|
|
|
|
$this->_close();
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Check if a directory exists and create it (including parent
|
|
* dirs) if not.
|
|
*
|
|
* @param string $p_dir directory to check
|
|
*
|
|
* @return bool true if the directory exists or was created
|
|
*/
|
|
public function _dirCheck($p_dir)
|
|
{
|
|
clearstatcache();
|
|
if ((@is_dir($p_dir)) || ($p_dir == '')) {
|
|
return true;
|
|
}
|
|
|
|
$p_parent_dir = dirname($p_dir);
|
|
|
|
if (($p_parent_dir != $p_dir) &&
|
|
($p_parent_dir != '') &&
|
|
(!$this->_dirCheck($p_parent_dir))
|
|
) {
|
|
return false;
|
|
}
|
|
|
|
if (!@mkdir($p_dir, 0777)) {
|
|
$this->_error("Unable to create directory '$p_dir'");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Compress path by changing for example "/dir/foo/../bar" to "/dir/bar",
|
|
* rand emove double slashes.
|
|
*
|
|
* @param string $p_dir path to reduce
|
|
*
|
|
* @return string reduced path
|
|
*/
|
|
private function _pathReduction($p_dir)
|
|
{
|
|
$v_result = '';
|
|
|
|
// ----- Look for not empty path
|
|
if ($p_dir != '') {
|
|
// ----- Explode path by directory names
|
|
$v_list = explode('/', $p_dir);
|
|
|
|
// ----- Study directories from last to first
|
|
for ($i = sizeof($v_list) - 1; $i >= 0; $i--) {
|
|
// ----- Look for current path
|
|
if ($v_list[$i] == ".") {
|
|
// ----- Ignore this directory
|
|
// Should be the first $i=0, but no check is done
|
|
} else {
|
|
if ($v_list[$i] == "..") {
|
|
// ----- Ignore it and ignore the $i-1
|
|
$i--;
|
|
} else {
|
|
if (($v_list[$i] == '')
|
|
&& ($i != (sizeof($v_list) - 1))
|
|
&& ($i != 0)
|
|
) {
|
|
// ----- Ignore only the double '//' in path,
|
|
// but not the first and last /
|
|
} else {
|
|
$v_result = $v_list[$i] . ($i != (sizeof($v_list) - 1) ? '/'
|
|
. $v_result : '');
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (defined('OS_WINDOWS') && OS_WINDOWS) {
|
|
$v_result = strtr($v_result, '\\', '/');
|
|
}
|
|
|
|
return $v_result;
|
|
}
|
|
|
|
/**
|
|
* @param $p_path
|
|
* @param bool $p_remove_disk_letter
|
|
* @return string
|
|
*/
|
|
public function _translateWinPath($p_path, $p_remove_disk_letter = true)
|
|
{
|
|
if (defined('OS_WINDOWS') && OS_WINDOWS) {
|
|
// ----- Look for potential disk letter
|
|
if (($p_remove_disk_letter)
|
|
&& (($v_position = strpos($p_path, ':')) != false)
|
|
) {
|
|
$p_path = substr($p_path, $v_position + 1);
|
|
}
|
|
// ----- Change potential windows directory separator
|
|
if ((strpos($p_path, '\\') > 0) || (substr($p_path, 0, 1) == '\\')) {
|
|
$p_path = strtr($p_path, '\\', '/');
|
|
}
|
|
}
|
|
return $p_path;
|
|
}
|
|
}
|