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2464 lines
83 KiB
2464 lines
83 KiB
<?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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|
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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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/** |
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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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/** |
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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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/** |
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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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/** |
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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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/** |
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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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/** |
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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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/** |
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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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/** |
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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 ($this->_temp_tarname != '') { |
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@unlink($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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/** |
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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 $p_preserve |
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* @return bool |
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*/ |
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public function extract($p_path = '', $p_preserve = false) |
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{ |
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return $this->extractModify($p_path, '', $p_preserve); |
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} |
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|
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/** |
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* @return array|int |
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*/ |
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public function listContent() |
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{ |
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$v_list_detail = array(); |
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|
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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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|
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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. |
|
* If the file already exists and is writable, it is replaced by the |
|
* new tar. It is a create and not an add. If the file exists and is |
|
* 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 |
|
* 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. |
|
* See also addModify() method for file adding properties. |
|
* |
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* @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_add_dir A string which contains a path to be added |
|
* to the memorized path of each element in |
|
* the list. |
|
* @param string $p_remove_dir A string which contains a path to be |
|
* removed from the memorized path of each |
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* element in the list, when relevant. |
|
* |
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* @return boolean true on success, false on error. |
|
* @see addModify() |
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*/ |
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public function createModify($p_filelist, $p_add_dir, $p_remove_dir = '') |
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{ |
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$v_result = true; |
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|
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if (!$this->_openWrite()) { |
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return false; |
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} |
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|
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if ($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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$this->_error('Invalid file list'); |
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return false; |
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} |
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|
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$v_result = $this->_addList($v_list, $p_add_dir, $p_remove_dir); |
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} |
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|
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if ($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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|
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return $v_result; |
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} |
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|
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/** |
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* This method add the files / directories listed in $p_filelist at the |
|
* end of the existing archive. If the archive does not yet exists it |
|
* is created. |
|
* The $p_filelist parameter can be an array of string, each string |
|
* 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 |
|
* 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 |
|
* archive size. |
|
* If a file/dir does not exist the file/dir is ignored. However an |
|
* 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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* |
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* @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_add_dir A string which contains a path to be |
|
* added to the memorized path of each |
|
* element in the list. |
|
* @param string $p_remove_dir A string which contains a path to be |
|
* removed from the memorized path of |
|
* each element in the list, when |
|
* relevant. |
|
* |
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* @return true on success, false on error. |
|
*/ |
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public function addModify($p_filelist, $p_add_dir, $p_remove_dir = '') |
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{ |
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$v_result = true; |
|
|
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if (!$this->_isArchive()) { |
|
$v_result = $this->createModify( |
|
$p_filelist, |
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$p_add_dir, |
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$p_remove_dir |
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); |
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} else { |
|
if (is_array($p_filelist)) { |
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$v_list = $p_filelist; |
|
} elseif (is_string($p_filelist)) { |
|
$v_list = explode($this->_separator, $p_filelist); |
|
} else { |
|
$this->_error('Invalid file list'); |
|
return false; |
|
} |
|
|
|
$v_result = $this->_append($v_list, $p_add_dir, $p_remove_dir); |
|
} |
|
|
|
return $v_result; |
|
} |
|
|
|
/** |
|
* This method add a single string as a file at the |
|
* end of the existing archive. If the archive does not yet exists it |
|
* is created. |
|
* |
|
* @param string $p_filename A string which contains the full |
|
* filename path that will be associated |
|
* with the string. |
|
* @param string $p_string The content of the file added in |
|
* the archive. |
|
* @param bool|int $p_datetime A custom date/time (unix timestamp) |
|
* for the file (optional). |
|
* @param array $p_params An array of optional params: |
|
* stamp => the datetime (replaces |
|
* datetime above if it exists) |
|
* mode => the permissions on the |
|
* file (600 by default) |
|
* type => is this a link? See the |
|
* tar specification for details. |
|
* (default = regular file) |
|
* uid => the user ID of the file |
|
* (default = 0 = root) |
|
* gid => the group ID of the file |
|
* (default = 0 = root) |
|
* |
|
* @return true on success, false on error. |
|
*/ |
|
public function addString($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"] : ""; |
|
$p_gid = @$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 $p_preserve Preserve user/group ownership of files |
|
* |
|
* @return boolean true on success, false on error. |
|
* @see extractList() |
|
*/ |
|
public function extractModify($p_path, $p_remove_path, $p_preserve = false) |
|
{ |
|
$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 |
|
); |
|
$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 $p_preserve Preserve user/group ownership of files |
|
* |
|
* @return true on success, false on error. |
|
* @see extractModify() |
|
*/ |
|
public function extractList($p_filelist, $p_path = '', $p_remove_path = '', $p_preserve = false) |
|
{ |
|
$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 |
|
); |
|
$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) |
|
{ |
|
$regexp = str_replace(array('#', '.', '^', '$'), 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) + 1) * 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 = ' '; |
|
|
|
if (function_exists('posix_getpwuid')) { |
|
$userinfo = posix_getpwuid($v_info[4]); |
|
$groupinfo = posix_getgrgid($v_info[5]); |
|
|
|
$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", |
|
$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); |
|
|
|
$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 |
|
$v_header['checksum'] = OctDec(trim($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 ($this->_maliciousFilename($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 $file |
|
* |
|
* @return bool |
|
*/ |
|
private function _maliciousFilename($file) |
|
{ |
|
if (strpos($file, 'phar://') === 0) { |
|
return true; |
|
} |
|
if (strpos($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->_maliciousFilename($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 |
|
* @return bool |
|
*/ |
|
public function _extractList( |
|
$p_path, |
|
&$p_list_detail, |
|
$p_mode, |
|
$p_file_list, |
|
$p_remove_path, |
|
$p_preserve = false |
|
) |
|
{ |
|
$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 (@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; |
|
} |
|
}
|
|
|