[8] | 1 | <?php |
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| 2 | /* vim: set ts=4 sw=4: */ |
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| 3 | // +----------------------------------------------------------------------+ |
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| 4 | // | PHP Version 4 | |
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| 5 | // +----------------------------------------------------------------------+ |
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| 6 | // | Copyright (c) 1997-2003 The PHP Group | |
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| 7 | // +----------------------------------------------------------------------+ |
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| 8 | // | This source file is subject to version 3.0 of the PHP license, | |
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| 9 | // | that is bundled with this package in the file LICENSE, and is | |
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| 10 | // | available through the world-wide-web at the following url: | |
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| 11 | // | http://www.php.net/license/3_0.txt. | |
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| 12 | // | If you did not receive a copy of the PHP license and are unable to | |
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| 13 | // | obtain it through the world-wide-web, please send a note to | |
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| 14 | // | license@php.net so we can mail you a copy immediately. | |
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| 15 | // +----------------------------------------------------------------------+ |
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| 16 | // | Author: Vincent Blavet <vincent@phpconcept.net> | |
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| 17 | // +----------------------------------------------------------------------+ |
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| 18 | // |
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| 19 | // $Id: Tar.php 4772 2006-10-12 06:52:48Z naka $ |
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| 20 | |
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| 21 | if(!defined('TAR_PHP_DIR')) { |
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| 22 | $TAR_PHP_DIR = realpath(dirname( __FILE__)); |
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| 23 | define("TAR_PHP_DIR", $TAR_PHP_DIR); |
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| 24 | } |
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| 25 | |
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| 26 | require_once TAR_PHP_DIR . '/PEAR.php'; |
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| 27 | |
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| 28 | |
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| 29 | define ('ARCHIVE_TAR_ATT_SEPARATOR', 90001); |
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| 30 | |
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| 31 | /** |
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| 32 | * Creates a (compressed) Tar archive |
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| 33 | * |
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| 34 | * @author Vincent Blavet <vincent@phpconcept.net> |
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| 35 | * @version $Revision: 4772 $ |
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| 36 | * @package Archive |
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| 37 | */ |
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| 38 | class Archive_Tar extends PEAR |
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| 39 | { |
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| 40 | /** |
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| 41 | * @var string Name of the Tar |
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| 42 | */ |
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| 43 | var $_tarname=''; |
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| 44 | |
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| 45 | /** |
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| 46 | * @var boolean if true, the Tar file will be gzipped |
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| 47 | */ |
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| 48 | var $_compress=false; |
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| 49 | |
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| 50 | /** |
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| 51 | * @var string Type of compression : 'none', 'gz' or 'bz2' |
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| 52 | */ |
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| 53 | var $_compress_type='none'; |
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| 54 | |
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| 55 | /** |
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| 56 | * @var string Explode separator |
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| 57 | */ |
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| 58 | var $_separator=' '; |
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| 59 | |
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| 60 | /** |
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| 61 | * @var file descriptor |
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| 62 | */ |
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| 63 | var $_file=0; |
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| 64 | |
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| 65 | /** |
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| 66 | * @var string Local Tar name of a remote Tar (http:// or ftp://) |
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| 67 | */ |
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| 68 | var $_temp_tarname=''; |
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| 69 | |
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| 70 | // {{{ constructor |
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| 71 | /** |
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| 72 | * Archive_Tar Class constructor. This flavour of the constructor only |
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| 73 | * declare a new Archive_Tar object, identifying it by the name of the |
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| 74 | * tar file. |
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| 75 | * If the compress argument is set the tar will be read or created as a |
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| 76 | * gzip or bz2 compressed TAR file. |
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| 77 | * |
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| 78 | * @param string $p_tarname The name of the tar archive to create |
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| 79 | * @param string $p_compress can be null, 'gz' or 'bz2'. This |
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| 80 | * parameter indicates if gzip or bz2 compression |
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| 81 | * is required. For compatibility reason the |
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| 82 | * boolean value 'true' means 'gz'. |
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| 83 | * @access public |
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| 84 | */ |
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| 85 | function Archive_Tar($p_tarname, $p_compress = null) |
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| 86 | { |
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| 87 | $this->PEAR(); |
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| 88 | $this->_compress = false; |
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| 89 | $this->_compress_type = 'none'; |
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| 90 | if (($p_compress === null) || ($p_compress == '')) { |
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| 91 | if (@file_exists($p_tarname)) { |
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| 92 | if ($fp = @fopen($p_tarname, "rb")) { |
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| 93 | // look for gzip magic cookie |
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| 94 | $data = fread($fp, 2); |
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| 95 | fclose($fp); |
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| 96 | if ($data == "\37\213") { |
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| 97 | $this->_compress = true; |
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| 98 | $this->_compress_type = 'gz'; |
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| 99 | // No sure it's enought for a magic code .... |
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| 100 | } elseif ($data == "BZ") { |
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| 101 | $this->_compress = true; |
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| 102 | $this->_compress_type = 'bz2'; |
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| 103 | } |
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| 104 | } |
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| 105 | } else { |
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| 106 | // probably a remote file or some file accessible |
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| 107 | // through a stream interface |
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| 108 | if (substr($p_tarname, -2) == 'gz') { |
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| 109 | $this->_compress = true; |
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| 110 | $this->_compress_type = 'gz'; |
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| 111 | } elseif ((substr($p_tarname, -3) == 'bz2') || |
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| 112 | (substr($p_tarname, -2) == 'bz')) { |
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| 113 | $this->_compress = true; |
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| 114 | $this->_compress_type = 'bz2'; |
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| 115 | } |
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| 116 | } |
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| 117 | } else { |
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| 118 | if (($p_compress === true) || ($p_compress == 'gz')) { |
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| 119 | $this->_compress = true; |
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| 120 | $this->_compress_type = 'gz'; |
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| 121 | } else if ($p_compress == 'bz2') { |
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| 122 | $this->_compress = true; |
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| 123 | $this->_compress_type = 'bz2'; |
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| 124 | } else { |
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| 125 | die("Unsupported compression type '$p_compress'\n". |
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| 126 | "Supported types are 'gz' and 'bz2'.\n"); |
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| 127 | return false; |
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| 128 | } |
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| 129 | } |
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| 130 | $this->_tarname = $p_tarname; |
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| 131 | if ($this->_compress) { // assert zlib or bz2 extension support |
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| 132 | if ($this->_compress_type == 'gz') |
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| 133 | $extname = 'zlib'; |
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| 134 | else if ($this->_compress_type == 'bz2') |
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| 135 | $extname = 'bz2'; |
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| 136 | |
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| 137 | if (!extension_loaded($extname)) { |
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| 138 | PEAR::loadExtension($extname); |
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| 139 | } |
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| 140 | if (!extension_loaded($extname)) { |
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| 141 | die("The extension '$extname' couldn't be found.\n". |
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| 142 | "Please make sure your version of PHP was built ". |
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| 143 | "with '$extname' support.\n"); |
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| 144 | return false; |
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| 145 | } |
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| 146 | } |
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| 147 | } |
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| 148 | // }}} |
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| 149 | |
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| 150 | // {{{ destructor |
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| 151 | function _Archive_Tar() |
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| 152 | { |
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| 153 | $this->_close(); |
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| 154 | // ----- Look for a local copy to delete |
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| 155 | if ($this->_temp_tarname != '') |
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| 156 | @unlink($this->_temp_tarname); |
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| 157 | $this->_PEAR(); |
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| 158 | } |
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| 159 | // }}} |
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| 160 | |
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| 161 | // {{{ create() |
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| 162 | /** |
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| 163 | * This method creates the archive file and add the files / directories |
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| 164 | * that are listed in $p_filelist. |
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| 165 | * If a file with the same name exist and is writable, it is replaced |
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| 166 | * by the new tar. |
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| 167 | * The method return false and a PEAR error text. |
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| 168 | * The $p_filelist parameter can be an array of string, each string |
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| 169 | * representing a filename or a directory name with their path if |
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| 170 | * needed. It can also be a single string with names separated by a |
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| 171 | * single blank. |
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| 172 | * For each directory added in the archive, the files and |
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| 173 | * sub-directories are also added. |
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| 174 | * See also createModify() method for more details. |
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| 175 | * |
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| 176 | * @param array $p_filelist An array of filenames and directory names, or a |
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| 177 | * single string with names separated by a single |
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| 178 | * blank space. |
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| 179 | * @return true on success, false on error. |
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| 180 | * @see createModify() |
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| 181 | * @access public |
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| 182 | */ |
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| 183 | function create($p_filelist) |
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| 184 | { |
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| 185 | return $this->createModify($p_filelist, '', ''); |
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| 186 | } |
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| 187 | // }}} |
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| 188 | |
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| 189 | // {{{ add() |
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| 190 | /** |
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| 191 | * This method add the files / directories that are listed in $p_filelist in |
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| 192 | * the archive. If the archive does not exist it is created. |
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| 193 | * The method return false and a PEAR error text. |
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| 194 | * The files and directories listed are only added at the end of the archive, |
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| 195 | * even if a file with the same name is already archived. |
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| 196 | * See also createModify() method for more details. |
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| 197 | * |
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| 198 | * @param array $p_filelist An array of filenames and directory names, or a |
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| 199 | * single string with names separated by a single |
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| 200 | * blank space. |
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| 201 | * @return true on success, false on error. |
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| 202 | * @see createModify() |
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| 203 | * @access public |
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| 204 | */ |
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| 205 | function add($p_filelist) |
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| 206 | { |
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| 207 | return $this->addModify($p_filelist, '', ''); |
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| 208 | } |
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| 209 | // }}} |
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| 210 | |
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| 211 | // {{{ extract() |
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| 212 | function extract($p_path='') |
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| 213 | { |
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| 214 | return $this->extractModify($p_path, ''); |
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| 215 | } |
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| 216 | // }}} |
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| 217 | |
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| 218 | // {{{ listContent() |
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| 219 | function listContent() |
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| 220 | { |
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| 221 | $v_list_detail = array(); |
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| 222 | |
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| 223 | if ($this->_openRead()) { |
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| 224 | if (!$this->_extractList('', $v_list_detail, "list", '', '')) { |
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| 225 | unset($v_list_detail); |
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| 226 | $v_list_detail = 0; |
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| 227 | } |
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| 228 | $this->_close(); |
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| 229 | } |
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| 230 | |
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| 231 | return $v_list_detail; |
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| 232 | } |
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| 233 | // }}} |
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| 234 | |
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| 235 | // {{{ createModify() |
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| 236 | /** |
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| 237 | * This method creates the archive file and add the files / directories |
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| 238 | * that are listed in $p_filelist. |
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| 239 | * If the file already exists and is writable, it is replaced by the |
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| 240 | * new tar. It is a create and not an add. If the file exists and is |
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| 241 | * read-only or is a directory it is not replaced. The method return |
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| 242 | * false and a PEAR error text. |
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| 243 | * The $p_filelist parameter can be an array of string, each string |
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| 244 | * representing a filename or a directory name with their path if |
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| 245 | * needed. It can also be a single string with names separated by a |
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| 246 | * single blank. |
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| 247 | * The path indicated in $p_remove_dir will be removed from the |
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| 248 | * memorized path of each file / directory listed when this path |
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| 249 | * exists. By default nothing is removed (empty path '') |
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| 250 | * The path indicated in $p_add_dir will be added at the beginning of |
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| 251 | * the memorized path of each file / directory listed. However it can |
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| 252 | * be set to empty ''. The adding of a path is done after the removing |
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| 253 | * of path. |
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| 254 | * The path add/remove ability enables the user to prepare an archive |
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| 255 | * for extraction in a different path than the origin files are. |
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| 256 | * See also addModify() method for file adding properties. |
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| 257 | * |
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| 258 | * @param array $p_filelist An array of filenames and directory names, |
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| 259 | * or a single string with names separated by |
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| 260 | * a single blank space. |
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| 261 | * @param string $p_add_dir A string which contains a path to be added |
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| 262 | * to the memorized path of each element in |
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| 263 | * the list. |
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| 264 | * @param string $p_remove_dir A string which contains a path to be |
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| 265 | * removed from the memorized path of each |
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| 266 | * element in the list, when relevant. |
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| 267 | * @return boolean true on success, false on error. |
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| 268 | * @access public |
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| 269 | * @see addModify() |
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| 270 | */ |
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| 271 | function createModify($p_filelist, $p_add_dir, $p_remove_dir='') |
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| 272 | { |
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| 273 | $v_result = true; |
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| 274 | |
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| 275 | if (!$this->_openWrite()) |
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| 276 | return false; |
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| 277 | |
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| 278 | if ($p_filelist != '') { |
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| 279 | if (is_array($p_filelist)) |
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| 280 | $v_list = $p_filelist; |
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| 281 | elseif (is_string($p_filelist)) |
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| 282 | $v_list = explode($this->_separator, $p_filelist); |
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| 283 | else { |
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| 284 | $this->_cleanFile(); |
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| 285 | $this->_error('Invalid file list'); |
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| 286 | return false; |
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| 287 | } |
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| 288 | |
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| 289 | $v_result = $this->_addList($v_list, $p_add_dir, $p_remove_dir); |
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| 290 | } |
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| 291 | |
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| 292 | if ($v_result) { |
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| 293 | $this->_writeFooter(); |
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| 294 | $this->_close(); |
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| 295 | } else |
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| 296 | $this->_cleanFile(); |
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| 297 | |
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| 298 | return $v_result; |
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| 299 | } |
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| 300 | // }}} |
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| 301 | |
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| 302 | // {{{ addModify() |
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| 303 | /** |
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| 304 | * This method add the files / directories listed in $p_filelist at the |
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| 305 | * end of the existing archive. If the archive does not yet exists it |
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| 306 | * is created. |
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| 307 | * The $p_filelist parameter can be an array of string, each string |
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| 308 | * representing a filename or a directory name with their path if |
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| 309 | * needed. It can also be a single string with names separated by a |
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| 310 | * single blank. |
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| 311 | * The path indicated in $p_remove_dir will be removed from the |
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| 312 | * memorized path of each file / directory listed when this path |
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| 313 | * exists. By default nothing is removed (empty path '') |
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| 314 | * The path indicated in $p_add_dir will be added at the beginning of |
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| 315 | * the memorized path of each file / directory listed. However it can |
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| 316 | * be set to empty ''. The adding of a path is done after the removing |
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| 317 | * of path. |
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| 318 | * The path add/remove ability enables the user to prepare an archive |
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| 319 | * for extraction in a different path than the origin files are. |
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| 320 | * If a file/dir is already in the archive it will only be added at the |
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| 321 | * end of the archive. There is no update of the existing archived |
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| 322 | * file/dir. However while extracting the archive, the last file will |
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| 323 | * replace the first one. This results in a none optimization of the |
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| 324 | * archive size. |
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| 325 | * If a file/dir does not exist the file/dir is ignored. However an |
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| 326 | * error text is send to PEAR error. |
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| 327 | * If a file/dir is not readable the file/dir is ignored. However an |
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| 328 | * error text is send to PEAR error. |
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| 329 | * |
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| 330 | * @param array $p_filelist An array of filenames and directory |
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| 331 | * names, or a single string with names |
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| 332 | * separated by a single blank space. |
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| 333 | * @param string $p_add_dir A string which contains a path to be |
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| 334 | * added to the memorized path of each |
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| 335 | * element in the list. |
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| 336 | * @param string $p_remove_dir A string which contains a path to be |
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| 337 | * removed from the memorized path of |
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| 338 | * each element in the list, when |
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| 339 | * relevant. |
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| 340 | * @return true on success, false on error. |
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| 341 | * @access public |
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| 342 | */ |
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| 343 | function addModify($p_filelist, $p_add_dir, $p_remove_dir='') |
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| 344 | { |
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| 345 | $v_result = true; |
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| 346 | |
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| 347 | if (!$this->_isArchive()) |
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| 348 | $v_result = $this->createModify($p_filelist, $p_add_dir, |
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| 349 | $p_remove_dir); |
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| 350 | else { |
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| 351 | if (is_array($p_filelist)) |
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| 352 | $v_list = $p_filelist; |
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| 353 | elseif (is_string($p_filelist)) |
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| 354 | $v_list = explode($this->_separator, $p_filelist); |
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| 355 | else { |
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| 356 | $this->_error('Invalid file list'); |
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| 357 | return false; |
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| 358 | } |
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| 359 | |
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| 360 | $v_result = $this->_append($v_list, $p_add_dir, $p_remove_dir); |
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| 361 | } |
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| 362 | |
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| 363 | return $v_result; |
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| 364 | } |
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| 365 | // }}} |
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| 366 | |
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| 367 | // {{{ addString() |
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| 368 | /** |
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| 369 | * This method add a single string as a file at the |
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| 370 | * end of the existing archive. If the archive does not yet exists it |
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| 371 | * is created. |
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| 372 | * |
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| 373 | * @param string $p_filename A string which contains the full |
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| 374 | * filename path that will be associated |
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| 375 | * with the string. |
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| 376 | * @param string $p_string The content of the file added in |
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| 377 | * the archive. |
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| 378 | * @return true on success, false on error. |
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| 379 | * @access public |
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| 380 | */ |
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| 381 | function addString($p_filename, $p_string) |
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| 382 | { |
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| 383 | $v_result = true; |
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| 384 | |
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| 385 | if (!$this->_isArchive()) { |
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| 386 | if (!$this->_openWrite()) { |
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| 387 | return false; |
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| 388 | } |
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| 389 | $this->_close(); |
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| 390 | } |
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| 391 | |
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| 392 | if (!$this->_openAppend()) |
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| 393 | return false; |
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| 394 | |
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| 395 | // Need to check the get back to the temporary file ? .... |
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| 396 | $v_result = $this->_addString($p_filename, $p_string); |
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| 397 | |
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| 398 | $this->_writeFooter(); |
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| 399 | |
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| 400 | $this->_close(); |
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| 401 | |
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| 402 | return $v_result; |
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| 403 | } |
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| 404 | // }}} |
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| 405 | |
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| 406 | // {{{ extractModify() |
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| 407 | /** |
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| 408 | * This method extract all the content of the archive in the directory |
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| 409 | * indicated by $p_path. When relevant the memorized path of the |
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| 410 | * files/dir can be modified by removing the $p_remove_path path at the |
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| 411 | * beginning of the file/dir path. |
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| 412 | * While extracting a file, if the directory path does not exists it is |
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| 413 | * created. |
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| 414 | * While extracting a file, if the file already exists it is replaced |
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| 415 | * without looking for last modification date. |
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| 416 | * While extracting a file, if the file already exists and is write |
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| 417 | * protected, the extraction is aborted. |
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| 418 | * While extracting a file, if a directory with the same name already |
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| 419 | * exists, the extraction is aborted. |
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| 420 | * While extracting a directory, if a file with the same name already |
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| 421 | * exists, the extraction is aborted. |
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| 422 | * While extracting a file/directory if the destination directory exist |
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| 423 | * and is write protected, or does not exist but can not be created, |
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| 424 | * the extraction is aborted. |
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| 425 | * If after extraction an extracted file does not show the correct |
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| 426 | * stored file size, the extraction is aborted. |
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| 427 | * When the extraction is aborted, a PEAR error text is set and false |
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| 428 | * is returned. However the result can be a partial extraction that may |
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| 429 | * need to be manually cleaned. |
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| 430 | * |
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| 431 | * @param string $p_path The path of the directory where the |
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| 432 | * files/dir need to by extracted. |
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| 433 | * @param string $p_remove_path Part of the memorized path that can be |
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| 434 | * removed if present at the beginning of |
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| 435 | * the file/dir path. |
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| 436 | * @return boolean true on success, false on error. |
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| 437 | * @access public |
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| 438 | * @see extractList() |
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| 439 | */ |
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| 440 | function extractModify($p_path, $p_remove_path) |
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| 441 | { |
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| 442 | $v_result = true; |
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| 443 | $v_list_detail = array(); |
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| 444 | |
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| 445 | if ($v_result = $this->_openRead()) { |
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| 446 | $v_result = $this->_extractList($p_path, $v_list_detail, |
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| 447 | "complete", 0, $p_remove_path); |
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| 448 | $this->_close(); |
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| 449 | } |
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| 450 | |
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| 451 | return $v_result; |
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| 452 | } |
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| 453 | // }}} |
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| 454 | |
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| 455 | // {{{ extractInString() |
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| 456 | /** |
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| 457 | * This method extract from the archive one file identified by $p_filename. |
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| 458 | * The return value is a string with the file content, or NULL on error. |
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| 459 | * @param string $p_filename The path of the file to extract in a string. |
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| 460 | * @return a string with the file content or NULL. |
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| 461 | * @access public |
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| 462 | */ |
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| 463 | function extractInString($p_filename) |
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| 464 | { |
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| 465 | if ($this->_openRead()) { |
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| 466 | $v_result = $this->_extractInString($p_filename); |
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| 467 | $this->_close(); |
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| 468 | } else { |
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| 469 | $v_result = NULL; |
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| 470 | } |
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| 471 | |
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| 472 | return $v_result; |
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| 473 | } |
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| 474 | // }}} |
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| 475 | |
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| 476 | // {{{ extractList() |
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| 477 | /** |
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| 478 | * This method extract from the archive only the files indicated in the |
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| 479 | * $p_filelist. These files are extracted in the current directory or |
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| 480 | * in the directory indicated by the optional $p_path parameter. |
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| 481 | * If indicated the $p_remove_path can be used in the same way as it is |
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| 482 | * used in extractModify() method. |
---|
| 483 | * @param array $p_filelist An array of filenames and directory names, |
---|
| 484 | * or a single string with names separated |
---|
| 485 | * by a single blank space. |
---|
| 486 | * @param string $p_path The path of the directory where the |
---|
| 487 | * files/dir need to by extracted. |
---|
| 488 | * @param string $p_remove_path Part of the memorized path that can be |
---|
| 489 | * removed if present at the beginning of |
---|
| 490 | * the file/dir path. |
---|
| 491 | * @return true on success, false on error. |
---|
| 492 | * @access public |
---|
| 493 | * @see extractModify() |
---|
| 494 | */ |
---|
| 495 | function extractList($p_filelist, $p_path='', $p_remove_path='') |
---|
| 496 | { |
---|
| 497 | $v_result = true; |
---|
| 498 | $v_list_detail = array(); |
---|
| 499 | |
---|
| 500 | if (is_array($p_filelist)) |
---|
| 501 | $v_list = $p_filelist; |
---|
| 502 | elseif (is_string($p_filelist)) |
---|
| 503 | $v_list = explode($this->_separator, $p_filelist); |
---|
| 504 | else { |
---|
| 505 | $this->_error('Invalid string list'); |
---|
| 506 | return false; |
---|
| 507 | } |
---|
| 508 | |
---|
| 509 | if ($v_result = $this->_openRead()) { |
---|
| 510 | $v_result = $this->_extractList($p_path, $v_list_detail, "partial", |
---|
| 511 | $v_list, $p_remove_path); |
---|
| 512 | $this->_close(); |
---|
| 513 | } |
---|
| 514 | |
---|
| 515 | return $v_result; |
---|
| 516 | } |
---|
| 517 | // }}} |
---|
| 518 | |
---|
| 519 | // {{{ setAttribute() |
---|
| 520 | /** |
---|
| 521 | * This method set specific attributes of the archive. It uses a variable |
---|
| 522 | * list of parameters, in the format attribute code + attribute values : |
---|
| 523 | * $arch->setAttribute(ARCHIVE_TAR_ATT_SEPARATOR, ','); |
---|
| 524 | * @param mixed $argv variable list of attributes and values |
---|
| 525 | * @return true on success, false on error. |
---|
| 526 | * @access public |
---|
| 527 | */ |
---|
| 528 | function setAttribute() |
---|
| 529 | { |
---|
| 530 | $v_result = true; |
---|
| 531 | |
---|
| 532 | // ----- Get the number of variable list of arguments |
---|
| 533 | if (($v_size = func_num_args()) == 0) { |
---|
| 534 | return true; |
---|
| 535 | } |
---|
| 536 | |
---|
| 537 | // ----- Get the arguments |
---|
| 538 | $v_att_list = &func_get_args(); |
---|
| 539 | |
---|
| 540 | // ----- Read the attributes |
---|
| 541 | $i=0; |
---|
| 542 | while ($i<$v_size) { |
---|
| 543 | |
---|
| 544 | // ----- Look for next option |
---|
| 545 | switch ($v_att_list[$i]) { |
---|
| 546 | // ----- Look for options that request a string value |
---|
| 547 | case ARCHIVE_TAR_ATT_SEPARATOR : |
---|
| 548 | // ----- Check the number of parameters |
---|
| 549 | if (($i+1) >= $v_size) { |
---|
| 550 | $this->_error('Invalid number of parameters for ' |
---|
| 551 | .'attribute ARCHIVE_TAR_ATT_SEPARATOR'); |
---|
| 552 | return false; |
---|
| 553 | } |
---|
| 554 | |
---|
| 555 | // ----- Get the value |
---|
| 556 | $this->_separator = $v_att_list[$i+1]; |
---|
| 557 | $i++; |
---|
| 558 | break; |
---|
| 559 | |
---|
| 560 | default : |
---|
| 561 | $this->_error('Unknow attribute code '.$v_att_list[$i].''); |
---|
| 562 | return false; |
---|
| 563 | } |
---|
| 564 | |
---|
| 565 | // ----- Next attribute |
---|
| 566 | $i++; |
---|
| 567 | } |
---|
| 568 | |
---|
| 569 | return $v_result; |
---|
| 570 | } |
---|
| 571 | // }}} |
---|
| 572 | |
---|
| 573 | // {{{ _error() |
---|
| 574 | function _error($p_message) |
---|
| 575 | { |
---|
| 576 | // ----- To be completed |
---|
| 577 | $this->raiseError($p_message); |
---|
| 578 | } |
---|
| 579 | // }}} |
---|
| 580 | |
---|
| 581 | // {{{ _warning() |
---|
| 582 | function _warning($p_message) |
---|
| 583 | { |
---|
| 584 | // ----- To be completed |
---|
| 585 | $this->raiseError($p_message); |
---|
| 586 | } |
---|
| 587 | // }}} |
---|
| 588 | |
---|
| 589 | // {{{ _isArchive() |
---|
| 590 | function _isArchive($p_filename=NULL) |
---|
| 591 | { |
---|
| 592 | if ($p_filename == NULL) { |
---|
| 593 | $p_filename = $this->_tarname; |
---|
| 594 | } |
---|
| 595 | clearstatcache(); |
---|
| 596 | return @is_file($p_filename); |
---|
| 597 | } |
---|
| 598 | // }}} |
---|
| 599 | |
---|
| 600 | // {{{ _openWrite() |
---|
| 601 | function _openWrite() |
---|
| 602 | { |
---|
| 603 | if ($this->_compress_type == 'gz') |
---|
| 604 | $this->_file = @gzopen($this->_tarname, "wb9"); |
---|
| 605 | else if ($this->_compress_type == 'bz2') |
---|
| 606 | $this->_file = @bzopen($this->_tarname, "wb"); |
---|
| 607 | else if ($this->_compress_type == 'none') |
---|
| 608 | $this->_file = @fopen($this->_tarname, "wb"); |
---|
| 609 | else |
---|
| 610 | $this->_error('Unknown or missing compression type (' |
---|
| 611 | .$this->_compress_type.')'); |
---|
| 612 | |
---|
| 613 | if ($this->_file == 0) { |
---|
| 614 | $this->_error('Unable to open in write mode \'' |
---|
| 615 | .$this->_tarname.'\''); |
---|
| 616 | return false; |
---|
| 617 | } |
---|
| 618 | |
---|
| 619 | return true; |
---|
| 620 | } |
---|
| 621 | // }}} |
---|
| 622 | |
---|
| 623 | // {{{ _openRead() |
---|
| 624 | function _openRead() |
---|
| 625 | { |
---|
| 626 | if (strtolower(substr($this->_tarname, 0, 7)) == 'http://') { |
---|
| 627 | |
---|
| 628 | // ----- Look if a local copy need to be done |
---|
| 629 | if ($this->_temp_tarname == '') { |
---|
| 630 | $this->_temp_tarname = uniqid('tar').'.tmp'; |
---|
| 631 | if (!$v_file_from = @fopen($this->_tarname, 'rb')) { |
---|
| 632 | $this->_error('Unable to open in read mode \'' |
---|
| 633 | .$this->_tarname.'\''); |
---|
| 634 | $this->_temp_tarname = ''; |
---|
| 635 | return false; |
---|
| 636 | } |
---|
| 637 | if (!$v_file_to = @fopen($this->_temp_tarname, 'wb')) { |
---|
| 638 | $this->_error('Unable to open in write mode \'' |
---|
| 639 | .$this->_temp_tarname.'\''); |
---|
| 640 | $this->_temp_tarname = ''; |
---|
| 641 | return false; |
---|
| 642 | } |
---|
| 643 | while ($v_data = @fread($v_file_from, 1024)) |
---|
| 644 | @fwrite($v_file_to, $v_data); |
---|
| 645 | @fclose($v_file_from); |
---|
| 646 | @fclose($v_file_to); |
---|
| 647 | } |
---|
| 648 | |
---|
| 649 | // ----- File to open if the local copy |
---|
| 650 | $v_filename = $this->_temp_tarname; |
---|
| 651 | |
---|
| 652 | } else |
---|
| 653 | // ----- File to open if the normal Tar file |
---|
| 654 | $v_filename = $this->_tarname; |
---|
| 655 | |
---|
| 656 | if ($this->_compress_type == 'gz') |
---|
| 657 | $this->_file = @gzopen($v_filename, "rb"); |
---|
| 658 | else if ($this->_compress_type == 'bz2') |
---|
| 659 | $this->_file = @bzopen($v_filename, "rb"); |
---|
| 660 | else if ($this->_compress_type == 'none') |
---|
| 661 | $this->_file = @fopen($v_filename, "rb"); |
---|
| 662 | else |
---|
| 663 | $this->_error('Unknown or missing compression type (' |
---|
| 664 | .$this->_compress_type.')'); |
---|
| 665 | |
---|
| 666 | if ($this->_file == 0) { |
---|
| 667 | $this->_error('Unable to open in read mode \''.$v_filename.'\''); |
---|
| 668 | return false; |
---|
| 669 | } |
---|
| 670 | |
---|
| 671 | return true; |
---|
| 672 | } |
---|
| 673 | // }}} |
---|
| 674 | |
---|
| 675 | // {{{ _openReadWrite() |
---|
| 676 | function _openReadWrite() |
---|
| 677 | { |
---|
| 678 | if ($this->_compress_type == 'gz') |
---|
| 679 | $this->_file = @gzopen($this->_tarname, "r+b"); |
---|
| 680 | else if ($this->_compress_type == 'bz2') |
---|
| 681 | $this->_file = @bzopen($this->_tarname, "r+b"); |
---|
| 682 | else if ($this->_compress_type == 'none') |
---|
| 683 | $this->_file = @fopen($this->_tarname, "r+b"); |
---|
| 684 | else |
---|
| 685 | $this->_error('Unknown or missing compression type (' |
---|
| 686 | .$this->_compress_type.')'); |
---|
| 687 | |
---|
| 688 | if ($this->_file == 0) { |
---|
| 689 | $this->_error('Unable to open in read/write mode \'' |
---|
| 690 | .$this->_tarname.'\''); |
---|
| 691 | return false; |
---|
| 692 | } |
---|
| 693 | |
---|
| 694 | return true; |
---|
| 695 | } |
---|
| 696 | // }}} |
---|
| 697 | |
---|
| 698 | // {{{ _close() |
---|
| 699 | function _close() |
---|
| 700 | { |
---|
| 701 | //if (isset($this->_file)) { |
---|
| 702 | if (is_resource($this->_file)) { |
---|
| 703 | if ($this->_compress_type == 'gz') |
---|
| 704 | @gzclose($this->_file); |
---|
| 705 | else if ($this->_compress_type == 'bz2') |
---|
| 706 | @bzclose($this->_file); |
---|
| 707 | else if ($this->_compress_type == 'none') |
---|
| 708 | @fclose($this->_file); |
---|
| 709 | else |
---|
| 710 | $this->_error('Unknown or missing compression type (' |
---|
| 711 | .$this->_compress_type.')'); |
---|
| 712 | |
---|
| 713 | $this->_file = 0; |
---|
| 714 | } |
---|
| 715 | |
---|
| 716 | // ----- Look if a local copy need to be erase |
---|
| 717 | // Note that it might be interesting to keep the url for a time : ToDo |
---|
| 718 | if ($this->_temp_tarname != '') { |
---|
| 719 | @unlink($this->_temp_tarname); |
---|
| 720 | $this->_temp_tarname = ''; |
---|
| 721 | } |
---|
| 722 | |
---|
| 723 | return true; |
---|
| 724 | } |
---|
| 725 | // }}} |
---|
| 726 | |
---|
| 727 | // {{{ _cleanFile() |
---|
| 728 | function _cleanFile() |
---|
| 729 | { |
---|
| 730 | $this->_close(); |
---|
| 731 | |
---|
| 732 | // ----- Look for a local copy |
---|
| 733 | if ($this->_temp_tarname != '') { |
---|
| 734 | // ----- Remove the local copy but not the remote tarname |
---|
| 735 | @unlink($this->_temp_tarname); |
---|
| 736 | $this->_temp_tarname = ''; |
---|
| 737 | } else { |
---|
| 738 | // ----- Remove the local tarname file |
---|
| 739 | @unlink($this->_tarname); |
---|
| 740 | } |
---|
| 741 | $this->_tarname = ''; |
---|
| 742 | |
---|
| 743 | return true; |
---|
| 744 | } |
---|
| 745 | // }}} |
---|
| 746 | |
---|
| 747 | // {{{ _writeBlock() |
---|
| 748 | function _writeBlock($p_binary_data, $p_len=null) |
---|
| 749 | { |
---|
| 750 | if (is_resource($this->_file)) { |
---|
| 751 | if ($p_len === null) { |
---|
| 752 | if ($this->_compress_type == 'gz') |
---|
| 753 | @gzputs($this->_file, $p_binary_data); |
---|
| 754 | else if ($this->_compress_type == 'bz2') |
---|
| 755 | @bzwrite($this->_file, $p_binary_data); |
---|
| 756 | else if ($this->_compress_type == 'none') |
---|
| 757 | @fputs($this->_file, $p_binary_data); |
---|
| 758 | else |
---|
| 759 | $this->_error('Unknown or missing compression type (' |
---|
| 760 | .$this->_compress_type.')'); |
---|
| 761 | } else { |
---|
| 762 | if ($this->_compress_type == 'gz') |
---|
| 763 | @gzputs($this->_file, $p_binary_data, $p_len); |
---|
| 764 | else if ($this->_compress_type == 'bz2') |
---|
| 765 | @bzwrite($this->_file, $p_binary_data, $p_len); |
---|
| 766 | else if ($this->_compress_type == 'none') |
---|
| 767 | @fputs($this->_file, $p_binary_data, $p_len); |
---|
| 768 | else |
---|
| 769 | $this->_error('Unknown or missing compression type (' |
---|
| 770 | .$this->_compress_type.')'); |
---|
| 771 | |
---|
| 772 | } |
---|
| 773 | } |
---|
| 774 | return true; |
---|
| 775 | } |
---|
| 776 | // }}} |
---|
| 777 | |
---|
| 778 | // {{{ _readBlock() |
---|
| 779 | function _readBlock() |
---|
| 780 | { |
---|
| 781 | $v_block = null; |
---|
| 782 | if (is_resource($this->_file)) { |
---|
| 783 | if ($this->_compress_type == 'gz') |
---|
| 784 | $v_block = @gzread($this->_file, 512); |
---|
| 785 | else if ($this->_compress_type == 'bz2') |
---|
| 786 | $v_block = @bzread($this->_file, 512); |
---|
| 787 | else if ($this->_compress_type == 'none') |
---|
| 788 | $v_block = @fread($this->_file, 512); |
---|
| 789 | else |
---|
| 790 | $this->_error('Unknown or missing compression type (' |
---|
| 791 | .$this->_compress_type.')'); |
---|
| 792 | } |
---|
| 793 | return $v_block; |
---|
| 794 | } |
---|
| 795 | // }}} |
---|
| 796 | |
---|
| 797 | // {{{ _jumpBlock() |
---|
| 798 | function _jumpBlock($p_len=null) |
---|
| 799 | { |
---|
| 800 | if (is_resource($this->_file)) { |
---|
| 801 | if ($p_len === null) |
---|
| 802 | $p_len = 1; |
---|
| 803 | |
---|
| 804 | if ($this->_compress_type == 'gz') { |
---|
| 805 | @gzseek($this->_file, @gztell($this->_file)+($p_len*512)); |
---|
| 806 | } |
---|
| 807 | else if ($this->_compress_type == 'bz2') { |
---|
| 808 | // ----- Replace missing bztell() and bzseek() |
---|
| 809 | for ($i=0; $i<$p_len; $i++) |
---|
| 810 | $this->_readBlock(); |
---|
| 811 | } else if ($this->_compress_type == 'none') |
---|
| 812 | @fseek($this->_file, @ftell($this->_file)+($p_len*512)); |
---|
| 813 | else |
---|
| 814 | $this->_error('Unknown or missing compression type (' |
---|
| 815 | .$this->_compress_type.')'); |
---|
| 816 | |
---|
| 817 | } |
---|
| 818 | return true; |
---|
| 819 | } |
---|
| 820 | // }}} |
---|
| 821 | |
---|
| 822 | // {{{ _writeFooter() |
---|
| 823 | function _writeFooter() |
---|
| 824 | { |
---|
| 825 | if (is_resource($this->_file)) { |
---|
| 826 | // ----- Write the last 0 filled block for end of archive |
---|
| 827 | $v_binary_data = pack("a512", ''); |
---|
| 828 | $this->_writeBlock($v_binary_data); |
---|
| 829 | } |
---|
| 830 | return true; |
---|
| 831 | } |
---|
| 832 | // }}} |
---|
| 833 | |
---|
| 834 | // {{{ _addList() |
---|
| 835 | function _addList($p_list, $p_add_dir, $p_remove_dir) |
---|
| 836 | { |
---|
| 837 | $v_result=true; |
---|
| 838 | $v_header = array(); |
---|
| 839 | |
---|
| 840 | // ----- Remove potential windows directory separator |
---|
| 841 | $p_add_dir = $this->_translateWinPath($p_add_dir); |
---|
| 842 | $p_remove_dir = $this->_translateWinPath($p_remove_dir, false); |
---|
| 843 | |
---|
| 844 | if (!$this->_file) { |
---|
| 845 | $this->_error('Invalid file descriptor'); |
---|
| 846 | return false; |
---|
| 847 | } |
---|
| 848 | |
---|
| 849 | if (sizeof($p_list) == 0) |
---|
| 850 | return true; |
---|
| 851 | |
---|
| 852 | foreach ($p_list as $v_filename) { |
---|
| 853 | if (!$v_result) { |
---|
| 854 | break; |
---|
| 855 | } |
---|
| 856 | |
---|
| 857 | // ----- Skip the current tar name |
---|
| 858 | if ($v_filename == $this->_tarname) |
---|
| 859 | continue; |
---|
| 860 | |
---|
| 861 | if ($v_filename == '') |
---|
| 862 | continue; |
---|
| 863 | |
---|
| 864 | if (!file_exists($v_filename)) { |
---|
| 865 | $this->_warning("File '$v_filename' does not exist"); |
---|
| 866 | continue; |
---|
| 867 | } |
---|
| 868 | |
---|
| 869 | // ----- Add the file or directory header |
---|
| 870 | if (!$this->_addFile($v_filename, $v_header, $p_add_dir, $p_remove_dir)) |
---|
| 871 | return false; |
---|
| 872 | |
---|
| 873 | if (@is_dir($v_filename)) { |
---|
| 874 | if (!($p_hdir = opendir($v_filename))) { |
---|
| 875 | $this->_warning("Directory '$v_filename' can not be read"); |
---|
| 876 | continue; |
---|
| 877 | } |
---|
| 878 | while (false !== ($p_hitem = readdir($p_hdir))) { |
---|
| 879 | if (($p_hitem != '.') && ($p_hitem != '..')) { |
---|
| 880 | if ($v_filename != ".") |
---|
| 881 | $p_temp_list[0] = $v_filename.'/'.$p_hitem; |
---|
| 882 | else |
---|
| 883 | $p_temp_list[0] = $p_hitem; |
---|
| 884 | |
---|
| 885 | $v_result = $this->_addList($p_temp_list, |
---|
| 886 | $p_add_dir, |
---|
| 887 | $p_remove_dir); |
---|
| 888 | } |
---|
| 889 | } |
---|
| 890 | |
---|
| 891 | unset($p_temp_list); |
---|
| 892 | unset($p_hdir); |
---|
| 893 | unset($p_hitem); |
---|
| 894 | } |
---|
| 895 | } |
---|
| 896 | |
---|
| 897 | return $v_result; |
---|
| 898 | } |
---|
| 899 | // }}} |
---|
| 900 | |
---|
| 901 | // {{{ _addFile() |
---|
| 902 | function _addFile($p_filename, &$p_header, $p_add_dir, $p_remove_dir) |
---|
| 903 | { |
---|
| 904 | if (!$this->_file) { |
---|
| 905 | $this->_error('Invalid file descriptor'); |
---|
| 906 | return false; |
---|
| 907 | } |
---|
| 908 | |
---|
| 909 | if ($p_filename == '') { |
---|
| 910 | $this->_error('Invalid file name'); |
---|
| 911 | return false; |
---|
| 912 | } |
---|
| 913 | |
---|
| 914 | // ----- Calculate the stored filename |
---|
| 915 | $p_filename = $this->_translateWinPath($p_filename, false);; |
---|
| 916 | $v_stored_filename = $p_filename; |
---|
| 917 | if (strcmp($p_filename, $p_remove_dir) == 0) { |
---|
| 918 | return true; |
---|
| 919 | } |
---|
| 920 | if ($p_remove_dir != '') { |
---|
| 921 | if (substr($p_remove_dir, -1) != '/') |
---|
| 922 | $p_remove_dir .= '/'; |
---|
| 923 | |
---|
| 924 | if (substr($p_filename, 0, strlen($p_remove_dir)) == $p_remove_dir) |
---|
| 925 | $v_stored_filename = substr($p_filename, strlen($p_remove_dir)); |
---|
| 926 | } |
---|
| 927 | $v_stored_filename = $this->_translateWinPath($v_stored_filename); |
---|
| 928 | if ($p_add_dir != '') { |
---|
| 929 | if (substr($p_add_dir, -1) == '/') |
---|
| 930 | $v_stored_filename = $p_add_dir.$v_stored_filename; |
---|
| 931 | else |
---|
| 932 | $v_stored_filename = $p_add_dir.'/'.$v_stored_filename; |
---|
| 933 | } |
---|
| 934 | |
---|
| 935 | $v_stored_filename = $this->_pathReduction($v_stored_filename); |
---|
| 936 | |
---|
| 937 | if ($this->_isArchive($p_filename)) { |
---|
| 938 | if (($v_file = @fopen($p_filename, "rb")) == 0) { |
---|
| 939 | $this->_warning("Unable to open file '".$p_filename |
---|
| 940 | ."' in binary read mode"); |
---|
| 941 | return true; |
---|
| 942 | } |
---|
| 943 | |
---|
| 944 | if (!$this->_writeHeader($p_filename, $v_stored_filename)) |
---|
| 945 | return false; |
---|
| 946 | |
---|
| 947 | while (($v_buffer = fread($v_file, 512)) != '') { |
---|
| 948 | $v_binary_data = pack("a512", "$v_buffer"); |
---|
| 949 | $this->_writeBlock($v_binary_data); |
---|
| 950 | } |
---|
| 951 | |
---|
| 952 | fclose($v_file); |
---|
| 953 | |
---|
| 954 | } else { |
---|
| 955 | // ----- Only header for dir |
---|
| 956 | if (!$this->_writeHeader($p_filename, $v_stored_filename)) |
---|
| 957 | return false; |
---|
| 958 | } |
---|
| 959 | |
---|
| 960 | return true; |
---|
| 961 | } |
---|
| 962 | // }}} |
---|
| 963 | |
---|
| 964 | // {{{ _addString() |
---|
| 965 | function _addString($p_filename, $p_string) |
---|
| 966 | { |
---|
| 967 | if (!$this->_file) { |
---|
| 968 | $this->_error('Invalid file descriptor'); |
---|
| 969 | return false; |
---|
| 970 | } |
---|
| 971 | |
---|
| 972 | if ($p_filename == '') { |
---|
| 973 | $this->_error('Invalid file name'); |
---|
| 974 | return false; |
---|
| 975 | } |
---|
| 976 | |
---|
| 977 | // ----- Calculate the stored filename |
---|
| 978 | $p_filename = $this->_translateWinPath($p_filename, false);; |
---|
| 979 | |
---|
| 980 | if (!$this->_writeHeaderBlock($p_filename, strlen($p_string), |
---|
| 981 | 0, 0, "", 0, 0)) |
---|
| 982 | return false; |
---|
| 983 | |
---|
| 984 | $i=0; |
---|
| 985 | while (($v_buffer = substr($p_string, (($i++)*512), 512)) != '') { |
---|
| 986 | $v_binary_data = pack("a512", $v_buffer); |
---|
| 987 | $this->_writeBlock($v_binary_data); |
---|
| 988 | } |
---|
| 989 | |
---|
| 990 | return true; |
---|
| 991 | } |
---|
| 992 | // }}} |
---|
| 993 | |
---|
| 994 | // {{{ _writeHeader() |
---|
| 995 | function _writeHeader($p_filename, $p_stored_filename) |
---|
| 996 | { |
---|
| 997 | if ($p_stored_filename == '') |
---|
| 998 | $p_stored_filename = $p_filename; |
---|
| 999 | $v_reduce_filename = $this->_pathReduction($p_stored_filename); |
---|
| 1000 | |
---|
| 1001 | if (strlen($v_reduce_filename) > 99) { |
---|
| 1002 | if (!$this->_writeLongHeader($v_reduce_filename)) |
---|
| 1003 | return false; |
---|
| 1004 | } |
---|
| 1005 | |
---|
| 1006 | $v_info = stat($p_filename); |
---|
| 1007 | $v_uid = sprintf("%6s ", DecOct($v_info[4])); |
---|
| 1008 | $v_gid = sprintf("%6s ", DecOct($v_info[5])); |
---|
| 1009 | $v_perms = sprintf("%6s ", DecOct(fileperms($p_filename))); |
---|
| 1010 | |
---|
| 1011 | $v_mtime = sprintf("%11s", DecOct(filemtime($p_filename))); |
---|
| 1012 | |
---|
| 1013 | if (@is_dir($p_filename)) { |
---|
| 1014 | $v_typeflag = "5"; |
---|
| 1015 | $v_size = sprintf("%11s ", DecOct(0)); |
---|
| 1016 | } else { |
---|
| 1017 | $v_typeflag = ''; |
---|
| 1018 | clearstatcache(); |
---|
| 1019 | $v_size = sprintf("%11s ", DecOct(filesize($p_filename))); |
---|
| 1020 | } |
---|
| 1021 | |
---|
| 1022 | $v_linkname = ''; |
---|
| 1023 | |
---|
| 1024 | $v_magic = ''; |
---|
| 1025 | |
---|
| 1026 | $v_version = ''; |
---|
| 1027 | |
---|
| 1028 | $v_uname = ''; |
---|
| 1029 | |
---|
| 1030 | $v_gname = ''; |
---|
| 1031 | |
---|
| 1032 | $v_devmajor = ''; |
---|
| 1033 | |
---|
| 1034 | $v_devminor = ''; |
---|
| 1035 | |
---|
| 1036 | $v_prefix = ''; |
---|
| 1037 | |
---|
| 1038 | $v_binary_data_first = pack("a100a8a8a8a12A12", |
---|
| 1039 | $v_reduce_filename, $v_perms, $v_uid, |
---|
| 1040 | $v_gid, $v_size, $v_mtime); |
---|
| 1041 | $v_binary_data_last = pack("a1a100a6a2a32a32a8a8a155a12", |
---|
| 1042 | $v_typeflag, $v_linkname, $v_magic, |
---|
| 1043 | $v_version, $v_uname, $v_gname, |
---|
| 1044 | $v_devmajor, $v_devminor, $v_prefix, ''); |
---|
| 1045 | |
---|
| 1046 | // ----- Calculate the checksum |
---|
| 1047 | $v_checksum = 0; |
---|
| 1048 | // ..... First part of the header |
---|
| 1049 | for ($i=0; $i<148; $i++) |
---|
| 1050 | $v_checksum += ord(substr($v_binary_data_first,$i,1)); |
---|
| 1051 | // ..... Ignore the checksum value and replace it by ' ' (space) |
---|
| 1052 | for ($i=148; $i<156; $i++) |
---|
| 1053 | $v_checksum += ord(' '); |
---|
| 1054 | // ..... Last part of the header |
---|
| 1055 | for ($i=156, $j=0; $i<512; $i++, $j++) |
---|
| 1056 | $v_checksum += ord(substr($v_binary_data_last,$j,1)); |
---|
| 1057 | |
---|
| 1058 | // ----- Write the first 148 bytes of the header in the archive |
---|
| 1059 | $this->_writeBlock($v_binary_data_first, 148); |
---|
| 1060 | |
---|
| 1061 | // ----- Write the calculated checksum |
---|
| 1062 | $v_checksum = sprintf("%6s ", DecOct($v_checksum)); |
---|
| 1063 | $v_binary_data = pack("a8", $v_checksum); |
---|
| 1064 | $this->_writeBlock($v_binary_data, 8); |
---|
| 1065 | |
---|
| 1066 | // ----- Write the last 356 bytes of the header in the archive |
---|
| 1067 | $this->_writeBlock($v_binary_data_last, 356); |
---|
| 1068 | |
---|
| 1069 | return true; |
---|
| 1070 | } |
---|
| 1071 | // }}} |
---|
| 1072 | |
---|
| 1073 | // {{{ _writeHeaderBlock() |
---|
| 1074 | function _writeHeaderBlock($p_filename, $p_size, $p_mtime=0, $p_perms=0, |
---|
| 1075 | $p_type='', $p_uid=0, $p_gid=0) |
---|
| 1076 | { |
---|
| 1077 | $p_filename = $this->_pathReduction($p_filename); |
---|
| 1078 | |
---|
| 1079 | if (strlen($p_filename) > 99) { |
---|
| 1080 | if (!$this->_writeLongHeader($p_filename)) |
---|
| 1081 | return false; |
---|
| 1082 | } |
---|
| 1083 | |
---|
| 1084 | if ($p_type == "5") { |
---|
| 1085 | $v_size = sprintf("%11s ", DecOct(0)); |
---|
| 1086 | } else { |
---|
| 1087 | $v_size = sprintf("%11s ", DecOct($p_size)); |
---|
| 1088 | } |
---|
| 1089 | |
---|
| 1090 | $v_uid = sprintf("%6s ", DecOct($p_uid)); |
---|
| 1091 | $v_gid = sprintf("%6s ", DecOct($p_gid)); |
---|
| 1092 | $v_perms = sprintf("%6s ", DecOct($p_perms)); |
---|
| 1093 | |
---|
| 1094 | $v_mtime = sprintf("%11s", DecOct($p_mtime)); |
---|
| 1095 | |
---|
| 1096 | $v_linkname = ''; |
---|
| 1097 | |
---|
| 1098 | $v_magic = ''; |
---|
| 1099 | |
---|
| 1100 | $v_version = ''; |
---|
| 1101 | |
---|
| 1102 | $v_uname = ''; |
---|
| 1103 | |
---|
| 1104 | $v_gname = ''; |
---|
| 1105 | |
---|
| 1106 | $v_devmajor = ''; |
---|
| 1107 | |
---|
| 1108 | $v_devminor = ''; |
---|
| 1109 | |
---|
| 1110 | $v_prefix = ''; |
---|
| 1111 | |
---|
| 1112 | $v_binary_data_first = pack("a100a8a8a8a12A12", |
---|
| 1113 | $p_filename, $v_perms, $v_uid, $v_gid, |
---|
| 1114 | $v_size, $v_mtime); |
---|
| 1115 | $v_binary_data_last = pack("a1a100a6a2a32a32a8a8a155a12", |
---|
| 1116 | $p_type, $v_linkname, $v_magic, |
---|
| 1117 | $v_version, $v_uname, $v_gname, |
---|
| 1118 | $v_devmajor, $v_devminor, $v_prefix, ''); |
---|
| 1119 | |
---|
| 1120 | // ----- Calculate the checksum |
---|
| 1121 | $v_checksum = 0; |
---|
| 1122 | // ..... First part of the header |
---|
| 1123 | for ($i=0; $i<148; $i++) |
---|
| 1124 | $v_checksum += ord(substr($v_binary_data_first,$i,1)); |
---|
| 1125 | // ..... Ignore the checksum value and replace it by ' ' (space) |
---|
| 1126 | for ($i=148; $i<156; $i++) |
---|
| 1127 | $v_checksum += ord(' '); |
---|
| 1128 | // ..... Last part of the header |
---|
| 1129 | for ($i=156, $j=0; $i<512; $i++, $j++) |
---|
| 1130 | $v_checksum += ord(substr($v_binary_data_last,$j,1)); |
---|
| 1131 | |
---|
| 1132 | // ----- Write the first 148 bytes of the header in the archive |
---|
| 1133 | $this->_writeBlock($v_binary_data_first, 148); |
---|
| 1134 | |
---|
| 1135 | // ----- Write the calculated checksum |
---|
| 1136 | $v_checksum = sprintf("%6s ", DecOct($v_checksum)); |
---|
| 1137 | $v_binary_data = pack("a8", $v_checksum); |
---|
| 1138 | $this->_writeBlock($v_binary_data, 8); |
---|
| 1139 | |
---|
| 1140 | // ----- Write the last 356 bytes of the header in the archive |
---|
| 1141 | $this->_writeBlock($v_binary_data_last, 356); |
---|
| 1142 | |
---|
| 1143 | return true; |
---|
| 1144 | } |
---|
| 1145 | // }}} |
---|
| 1146 | |
---|
| 1147 | // {{{ _writeLongHeader() |
---|
| 1148 | function _writeLongHeader($p_filename) |
---|
| 1149 | { |
---|
| 1150 | $v_size = sprintf("%11s ", DecOct(strlen($p_filename))); |
---|
| 1151 | |
---|
| 1152 | $v_typeflag = 'L'; |
---|
| 1153 | |
---|
| 1154 | $v_linkname = ''; |
---|
| 1155 | |
---|
| 1156 | $v_magic = ''; |
---|
| 1157 | |
---|
| 1158 | $v_version = ''; |
---|
| 1159 | |
---|
| 1160 | $v_uname = ''; |
---|
| 1161 | |
---|
| 1162 | $v_gname = ''; |
---|
| 1163 | |
---|
| 1164 | $v_devmajor = ''; |
---|
| 1165 | |
---|
| 1166 | $v_devminor = ''; |
---|
| 1167 | |
---|
| 1168 | $v_prefix = ''; |
---|
| 1169 | |
---|
| 1170 | $v_binary_data_first = pack("a100a8a8a8a12A12", |
---|
| 1171 | '././@LongLink', 0, 0, 0, $v_size, 0); |
---|
| 1172 | $v_binary_data_last = pack("a1a100a6a2a32a32a8a8a155a12", |
---|
| 1173 | $v_typeflag, $v_linkname, $v_magic, |
---|
| 1174 | $v_version, $v_uname, $v_gname, |
---|
| 1175 | $v_devmajor, $v_devminor, $v_prefix, ''); |
---|
| 1176 | |
---|
| 1177 | // ----- Calculate the checksum |
---|
| 1178 | $v_checksum = 0; |
---|
| 1179 | // ..... First part of the header |
---|
| 1180 | for ($i=0; $i<148; $i++) |
---|
| 1181 | $v_checksum += ord(substr($v_binary_data_first,$i,1)); |
---|
| 1182 | // ..... Ignore the checksum value and replace it by ' ' (space) |
---|
| 1183 | for ($i=148; $i<156; $i++) |
---|
| 1184 | $v_checksum += ord(' '); |
---|
| 1185 | // ..... Last part of the header |
---|
| 1186 | for ($i=156, $j=0; $i<512; $i++, $j++) |
---|
| 1187 | $v_checksum += ord(substr($v_binary_data_last,$j,1)); |
---|
| 1188 | |
---|
| 1189 | // ----- Write the first 148 bytes of the header in the archive |
---|
| 1190 | $this->_writeBlock($v_binary_data_first, 148); |
---|
| 1191 | |
---|
| 1192 | // ----- Write the calculated checksum |
---|
| 1193 | $v_checksum = sprintf("%6s ", DecOct($v_checksum)); |
---|
| 1194 | $v_binary_data = pack("a8", $v_checksum); |
---|
| 1195 | $this->_writeBlock($v_binary_data, 8); |
---|
| 1196 | |
---|
| 1197 | // ----- Write the last 356 bytes of the header in the archive |
---|
| 1198 | $this->_writeBlock($v_binary_data_last, 356); |
---|
| 1199 | |
---|
| 1200 | // ----- Write the filename as content of the block |
---|
| 1201 | $i=0; |
---|
| 1202 | while (($v_buffer = substr($p_filename, (($i++)*512), 512)) != '') { |
---|
| 1203 | $v_binary_data = pack("a512", "$v_buffer"); |
---|
| 1204 | $this->_writeBlock($v_binary_data); |
---|
| 1205 | } |
---|
| 1206 | |
---|
| 1207 | return true; |
---|
| 1208 | } |
---|
| 1209 | // }}} |
---|
| 1210 | |
---|
| 1211 | // {{{ _readHeader() |
---|
| 1212 | function _readHeader($v_binary_data, &$v_header) |
---|
| 1213 | { |
---|
| 1214 | if (strlen($v_binary_data)==0) { |
---|
| 1215 | $v_header['filename'] = ''; |
---|
| 1216 | return true; |
---|
| 1217 | } |
---|
| 1218 | |
---|
| 1219 | if (strlen($v_binary_data) != 512) { |
---|
| 1220 | $v_header['filename'] = ''; |
---|
| 1221 | $this->_error('Invalid block size : '.strlen($v_binary_data)); |
---|
| 1222 | return false; |
---|
| 1223 | } |
---|
| 1224 | |
---|
| 1225 | // ----- Calculate the checksum |
---|
| 1226 | $v_checksum = 0; |
---|
| 1227 | // ..... First part of the header |
---|
| 1228 | for ($i=0; $i<148; $i++) |
---|
| 1229 | $v_checksum+=ord(substr($v_binary_data,$i,1)); |
---|
| 1230 | // ..... Ignore the checksum value and replace it by ' ' (space) |
---|
| 1231 | for ($i=148; $i<156; $i++) |
---|
| 1232 | $v_checksum += ord(' '); |
---|
| 1233 | // ..... Last part of the header |
---|
| 1234 | for ($i=156; $i<512; $i++) |
---|
| 1235 | $v_checksum+=ord(substr($v_binary_data,$i,1)); |
---|
| 1236 | |
---|
| 1237 | $v_data = unpack("a100filename/a8mode/a8uid/a8gid/a12size/a12mtime/" |
---|
| 1238 | ."a8checksum/a1typeflag/a100link/a6magic/a2version/" |
---|
| 1239 | ."a32uname/a32gname/a8devmajor/a8devminor", |
---|
| 1240 | $v_binary_data); |
---|
| 1241 | |
---|
| 1242 | // ----- Extract the checksum |
---|
| 1243 | $v_header['checksum'] = OctDec(trim($v_data['checksum'])); |
---|
| 1244 | if ($v_header['checksum'] != $v_checksum) { |
---|
| 1245 | $v_header['filename'] = ''; |
---|
| 1246 | |
---|
| 1247 | // ----- Look for last block (empty block) |
---|
| 1248 | if (($v_checksum == 256) && ($v_header['checksum'] == 0)) |
---|
| 1249 | return true; |
---|
| 1250 | |
---|
| 1251 | $this->_error('Invalid checksum for file "'.$v_data['filename'] |
---|
| 1252 | .'" : '.$v_checksum.' calculated, ' |
---|
| 1253 | .$v_header['checksum'].' expected'); |
---|
| 1254 | return false; |
---|
| 1255 | } |
---|
| 1256 | |
---|
| 1257 | // ----- Extract the properties |
---|
| 1258 | $v_header['filename'] = trim($v_data['filename']); |
---|
| 1259 | $v_header['mode'] = OctDec(trim($v_data['mode'])); |
---|
| 1260 | $v_header['uid'] = OctDec(trim($v_data['uid'])); |
---|
| 1261 | $v_header['gid'] = OctDec(trim($v_data['gid'])); |
---|
| 1262 | $v_header['size'] = OctDec(trim($v_data['size'])); |
---|
| 1263 | $v_header['mtime'] = OctDec(trim($v_data['mtime'])); |
---|
| 1264 | if (($v_header['typeflag'] = $v_data['typeflag']) == "5") { |
---|
| 1265 | $v_header['size'] = 0; |
---|
| 1266 | } |
---|
| 1267 | /* ----- All these fields are removed form the header because |
---|
| 1268 | they do not carry interesting info |
---|
| 1269 | $v_header[link] = trim($v_data[link]); |
---|
| 1270 | $v_header[magic] = trim($v_data[magic]); |
---|
| 1271 | $v_header[version] = trim($v_data[version]); |
---|
| 1272 | $v_header[uname] = trim($v_data[uname]); |
---|
| 1273 | $v_header[gname] = trim($v_data[gname]); |
---|
| 1274 | $v_header[devmajor] = trim($v_data[devmajor]); |
---|
| 1275 | $v_header[devminor] = trim($v_data[devminor]); |
---|
| 1276 | */ |
---|
| 1277 | |
---|
| 1278 | return true; |
---|
| 1279 | } |
---|
| 1280 | // }}} |
---|
| 1281 | |
---|
| 1282 | // {{{ _readLongHeader() |
---|
| 1283 | function _readLongHeader(&$v_header) |
---|
| 1284 | { |
---|
| 1285 | $v_filename = ''; |
---|
| 1286 | $n = floor($v_header['size']/512); |
---|
| 1287 | for ($i=0; $i<$n; $i++) { |
---|
| 1288 | $v_content = $this->_readBlock(); |
---|
| 1289 | $v_filename .= $v_content; |
---|
| 1290 | } |
---|
| 1291 | if (($v_header['size'] % 512) != 0) { |
---|
| 1292 | $v_content = $this->_readBlock(); |
---|
| 1293 | $v_filename .= $v_content; |
---|
| 1294 | } |
---|
| 1295 | |
---|
| 1296 | // ----- Read the next header |
---|
| 1297 | $v_binary_data = $this->_readBlock(); |
---|
| 1298 | |
---|
| 1299 | if (!$this->_readHeader($v_binary_data, $v_header)) |
---|
| 1300 | return false; |
---|
| 1301 | |
---|
| 1302 | $v_header['filename'] = $v_filename; |
---|
| 1303 | |
---|
| 1304 | return true; |
---|
| 1305 | } |
---|
| 1306 | // }}} |
---|
| 1307 | |
---|
| 1308 | // {{{ _extractInString() |
---|
| 1309 | /** |
---|
| 1310 | * This method extract from the archive one file identified by $p_filename. |
---|
| 1311 | * The return value is a string with the file content, or NULL on error. |
---|
| 1312 | * @param string $p_filename The path of the file to extract in a string. |
---|
| 1313 | * @return a string with the file content or NULL. |
---|
| 1314 | * @access private |
---|
| 1315 | */ |
---|
| 1316 | function _extractInString($p_filename) |
---|
| 1317 | { |
---|
| 1318 | $v_result_str = ""; |
---|
| 1319 | |
---|
| 1320 | While (strlen($v_binary_data = $this->_readBlock()) != 0) |
---|
| 1321 | { |
---|
| 1322 | if (!$this->_readHeader($v_binary_data, $v_header)) |
---|
| 1323 | return NULL; |
---|
| 1324 | |
---|
| 1325 | if ($v_header['filename'] == '') |
---|
| 1326 | continue; |
---|
| 1327 | |
---|
| 1328 | // ----- Look for long filename |
---|
| 1329 | if ($v_header['typeflag'] == 'L') { |
---|
| 1330 | if (!$this->_readLongHeader($v_header)) |
---|
| 1331 | return NULL; |
---|
| 1332 | } |
---|
| 1333 | |
---|
| 1334 | if ($v_header['filename'] == $p_filename) { |
---|
| 1335 | if ($v_header['typeflag'] == "5") { |
---|
| 1336 | $this->_error('Unable to extract in string a directory ' |
---|
| 1337 | .'entry {'.$v_header['filename'].'}'); |
---|
| 1338 | return NULL; |
---|
| 1339 | } else { |
---|
| 1340 | $n = floor($v_header['size']/512); |
---|
| 1341 | for ($i=0; $i<$n; $i++) { |
---|
| 1342 | $v_result_str .= $this->_readBlock(); |
---|
| 1343 | } |
---|
| 1344 | if (($v_header['size'] % 512) != 0) { |
---|
| 1345 | $v_content = $this->_readBlock(); |
---|
| 1346 | $v_result_str .= substr($v_content, 0, |
---|
| 1347 | ($v_header['size'] % 512)); |
---|
| 1348 | } |
---|
| 1349 | return $v_result_str; |
---|
| 1350 | } |
---|
| 1351 | } else { |
---|
| 1352 | $this->_jumpBlock(ceil(($v_header['size']/512))); |
---|
| 1353 | } |
---|
| 1354 | } |
---|
| 1355 | |
---|
| 1356 | return NULL; |
---|
| 1357 | } |
---|
| 1358 | // }}} |
---|
| 1359 | |
---|
| 1360 | // {{{ _extractList() |
---|
| 1361 | function _extractList($p_path, &$p_list_detail, $p_mode, |
---|
| 1362 | $p_file_list, $p_remove_path) |
---|
| 1363 | { |
---|
| 1364 | $v_result=true; |
---|
| 1365 | $v_nb = 0; |
---|
| 1366 | $v_extract_all = true; |
---|
| 1367 | $v_listing = false; |
---|
| 1368 | |
---|
| 1369 | $p_path = $this->_translateWinPath($p_path, false); |
---|
| 1370 | if ($p_path == '' || (substr($p_path, 0, 1) != '/' |
---|
| 1371 | && substr($p_path, 0, 3) != "../" && !strpos($p_path, ':'))) { |
---|
| 1372 | $p_path = "./".$p_path; |
---|
| 1373 | } |
---|
| 1374 | $p_remove_path = $this->_translateWinPath($p_remove_path); |
---|
| 1375 | |
---|
| 1376 | // ----- Look for path to remove format (should end by /) |
---|
| 1377 | if (($p_remove_path != '') && (substr($p_remove_path, -1) != '/')) |
---|
| 1378 | $p_remove_path .= '/'; |
---|
| 1379 | $p_remove_path_size = strlen($p_remove_path); |
---|
| 1380 | |
---|
| 1381 | switch ($p_mode) { |
---|
| 1382 | case "complete" : |
---|
| 1383 | $v_extract_all = TRUE; |
---|
| 1384 | $v_listing = FALSE; |
---|
| 1385 | break; |
---|
| 1386 | case "partial" : |
---|
| 1387 | $v_extract_all = FALSE; |
---|
| 1388 | $v_listing = FALSE; |
---|
| 1389 | break; |
---|
| 1390 | case "list" : |
---|
| 1391 | $v_extract_all = FALSE; |
---|
| 1392 | $v_listing = TRUE; |
---|
| 1393 | break; |
---|
| 1394 | default : |
---|
| 1395 | $this->_error('Invalid extract mode ('.$p_mode.')'); |
---|
| 1396 | return false; |
---|
| 1397 | } |
---|
| 1398 | |
---|
| 1399 | clearstatcache(); |
---|
| 1400 | |
---|
| 1401 | while (strlen($v_binary_data = $this->_readBlock()) != 0) |
---|
| 1402 | { |
---|
| 1403 | $v_extract_file = FALSE; |
---|
| 1404 | $v_extraction_stopped = 0; |
---|
| 1405 | |
---|
| 1406 | if (!$this->_readHeader($v_binary_data, $v_header)) |
---|
| 1407 | return false; |
---|
| 1408 | |
---|
| 1409 | if ($v_header['filename'] == '') { |
---|
| 1410 | continue; |
---|
| 1411 | } |
---|
| 1412 | |
---|
| 1413 | // ----- Look for long filename |
---|
| 1414 | if ($v_header['typeflag'] == 'L') { |
---|
| 1415 | if (!$this->_readLongHeader($v_header)) |
---|
| 1416 | return false; |
---|
| 1417 | } |
---|
| 1418 | |
---|
| 1419 | if ((!$v_extract_all) && (is_array($p_file_list))) { |
---|
| 1420 | // ----- By default no unzip if the file is not found |
---|
| 1421 | $v_extract_file = false; |
---|
| 1422 | |
---|
| 1423 | for ($i=0; $i<sizeof($p_file_list); $i++) { |
---|
| 1424 | // ----- Look if it is a directory |
---|
| 1425 | if (substr($p_file_list[$i], -1) == '/') { |
---|
| 1426 | // ----- Look if the directory is in the filename path |
---|
| 1427 | if ((strlen($v_header['filename']) > strlen($p_file_list[$i])) |
---|
| 1428 | && (substr($v_header['filename'], 0, strlen($p_file_list[$i])) |
---|
| 1429 | == $p_file_list[$i])) { |
---|
| 1430 | $v_extract_file = TRUE; |
---|
| 1431 | break; |
---|
| 1432 | } |
---|
| 1433 | } |
---|
| 1434 | |
---|
| 1435 | // ----- It is a file, so compare the file names |
---|
| 1436 | elseif ($p_file_list[$i] == $v_header['filename']) { |
---|
| 1437 | $v_extract_file = TRUE; |
---|
| 1438 | break; |
---|
| 1439 | } |
---|
| 1440 | } |
---|
| 1441 | } else { |
---|
| 1442 | $v_extract_file = TRUE; |
---|
| 1443 | } |
---|
| 1444 | |
---|
| 1445 | // ----- Look if this file need to be extracted |
---|
| 1446 | if (($v_extract_file) && (!$v_listing)) |
---|
| 1447 | { |
---|
| 1448 | if (($p_remove_path != '') |
---|
| 1449 | && (substr($v_header['filename'], 0, $p_remove_path_size) |
---|
| 1450 | == $p_remove_path)) |
---|
| 1451 | $v_header['filename'] = substr($v_header['filename'], |
---|
| 1452 | $p_remove_path_size); |
---|
| 1453 | if (($p_path != './') && ($p_path != '/')) { |
---|
| 1454 | while (substr($p_path, -1) == '/') |
---|
| 1455 | $p_path = substr($p_path, 0, strlen($p_path)-1); |
---|
| 1456 | |
---|
| 1457 | if (substr($v_header['filename'], 0, 1) == '/') |
---|
| 1458 | $v_header['filename'] = $p_path.$v_header['filename']; |
---|
| 1459 | else |
---|
| 1460 | $v_header['filename'] = $p_path.'/'.$v_header['filename']; |
---|
| 1461 | } |
---|
| 1462 | if (file_exists($v_header['filename'])) { |
---|
| 1463 | if ( (@is_dir($v_header['filename'])) |
---|
| 1464 | && ($v_header['typeflag'] == '')) { |
---|
| 1465 | $this->_error('File '.$v_header['filename'] |
---|
| 1466 | .' already exists as a directory'); |
---|
| 1467 | return false; |
---|
| 1468 | } |
---|
| 1469 | if ( ($this->_isArchive($v_header['filename'])) |
---|
| 1470 | && ($v_header['typeflag'] == "5")) { |
---|
| 1471 | $this->_error('Directory '.$v_header['filename'] |
---|
| 1472 | .' already exists as a file'); |
---|
| 1473 | return false; |
---|
| 1474 | } |
---|
| 1475 | if (!is_writeable($v_header['filename'])) { |
---|
| 1476 | $this->_error('File '.$v_header['filename'] |
---|
| 1477 | .' already exists and is write protected'); |
---|
| 1478 | return false; |
---|
| 1479 | } |
---|
| 1480 | if (filemtime($v_header['filename']) > $v_header['mtime']) { |
---|
| 1481 | // To be completed : An error or silent no replace ? |
---|
| 1482 | } |
---|
| 1483 | } |
---|
| 1484 | |
---|
| 1485 | // ----- Check the directory availability and create it if necessary |
---|
| 1486 | elseif (($v_result |
---|
| 1487 | = $this->_dirCheck(($v_header['typeflag'] == "5" |
---|
| 1488 | ?$v_header['filename'] |
---|
| 1489 | :dirname($v_header['filename'])))) != 1) { |
---|
| 1490 | $this->_error('Unable to create path for '.$v_header['filename']); |
---|
| 1491 | return false; |
---|
| 1492 | } |
---|
| 1493 | |
---|
| 1494 | if ($v_extract_file) { |
---|
| 1495 | if ($v_header['typeflag'] == "5") { |
---|
| 1496 | if (!@file_exists($v_header['filename'])) { |
---|
| 1497 | if (!@mkdir($v_header['filename'], 0777)) { |
---|
| 1498 | $this->_error('Unable to create directory {' |
---|
| 1499 | .$v_header['filename'].'}'); |
---|
| 1500 | return false; |
---|
| 1501 | } |
---|
| 1502 | } |
---|
| 1503 | } else { |
---|
| 1504 | if (($v_dest_file = @fopen($v_header['filename'], "wb")) == 0) { |
---|
| 1505 | $this->_error('Error while opening {'.$v_header['filename'] |
---|
| 1506 | .'} in write binary mode'); |
---|
| 1507 | return false; |
---|
| 1508 | } else { |
---|
| 1509 | $n = floor($v_header['size']/512); |
---|
| 1510 | for ($i=0; $i<$n; $i++) { |
---|
| 1511 | $v_content = $this->_readBlock(); |
---|
| 1512 | fwrite($v_dest_file, $v_content, 512); |
---|
| 1513 | } |
---|
| 1514 | if (($v_header['size'] % 512) != 0) { |
---|
| 1515 | $v_content = $this->_readBlock(); |
---|
| 1516 | fwrite($v_dest_file, $v_content, ($v_header['size'] % 512)); |
---|
| 1517 | } |
---|
| 1518 | |
---|
| 1519 | @fclose($v_dest_file); |
---|
| 1520 | |
---|
| 1521 | // ----- Change the file mode, mtime |
---|
| 1522 | @touch($v_header['filename'], $v_header['mtime']); |
---|
| 1523 | // To be completed |
---|
| 1524 | //chmod($v_header[filename], DecOct($v_header[mode])); |
---|
| 1525 | } |
---|
| 1526 | |
---|
| 1527 | // ----- Check the file size |
---|
| 1528 | clearstatcache(); |
---|
| 1529 | if (filesize($v_header['filename']) != $v_header['size']) { |
---|
| 1530 | $this->_error('Extracted file '.$v_header['filename'] |
---|
| 1531 | .' does not have the correct file size \'' |
---|
| 1532 | .filesize($v_header['filename']) |
---|
| 1533 | .'\' ('.$v_header['size'] |
---|
| 1534 | .' expected). Archive may be corrupted.'); |
---|
| 1535 | return false; |
---|
| 1536 | } |
---|
| 1537 | } |
---|
| 1538 | } else { |
---|
| 1539 | $this->_jumpBlock(ceil(($v_header['size']/512))); |
---|
| 1540 | } |
---|
| 1541 | } else { |
---|
| 1542 | $this->_jumpBlock(ceil(($v_header['size']/512))); |
---|
| 1543 | } |
---|
| 1544 | |
---|
| 1545 | /* TBC : Seems to be unused ... |
---|
| 1546 | if ($this->_compress) |
---|
| 1547 | $v_end_of_file = @gzeof($this->_file); |
---|
| 1548 | else |
---|
| 1549 | $v_end_of_file = @feof($this->_file); |
---|
| 1550 | */ |
---|
| 1551 | |
---|
| 1552 | if ($v_listing || $v_extract_file || $v_extraction_stopped) { |
---|
| 1553 | // ----- Log extracted files |
---|
| 1554 | if (($v_file_dir = dirname($v_header['filename'])) |
---|
| 1555 | == $v_header['filename']) |
---|
| 1556 | $v_file_dir = ''; |
---|
| 1557 | if ((substr($v_header['filename'], 0, 1) == '/') && ($v_file_dir == '')) |
---|
| 1558 | $v_file_dir = '/'; |
---|
| 1559 | |
---|
| 1560 | $p_list_detail[$v_nb++] = $v_header; |
---|
| 1561 | } |
---|
| 1562 | } |
---|
| 1563 | |
---|
| 1564 | return true; |
---|
| 1565 | } |
---|
| 1566 | // }}} |
---|
| 1567 | |
---|
| 1568 | // {{{ _openAppend() |
---|
| 1569 | function _openAppend() |
---|
| 1570 | { |
---|
| 1571 | if (filesize($this->_tarname) == 0) |
---|
| 1572 | return $this->_openWrite(); |
---|
| 1573 | |
---|
| 1574 | if ($this->_compress) { |
---|
| 1575 | $this->_close(); |
---|
| 1576 | |
---|
| 1577 | if (!@rename($this->_tarname, $this->_tarname.".tmp")) { |
---|
| 1578 | $this->_error('Error while renaming \''.$this->_tarname |
---|
| 1579 | .'\' to temporary file \''.$this->_tarname |
---|
| 1580 | .'.tmp\''); |
---|
| 1581 | return false; |
---|
| 1582 | } |
---|
| 1583 | |
---|
| 1584 | if ($this->_compress_type == 'gz') |
---|
| 1585 | $v_temp_tar = @gzopen($this->_tarname.".tmp", "rb"); |
---|
| 1586 | elseif ($this->_compress_type == 'bz2') |
---|
| 1587 | $v_temp_tar = @bzopen($this->_tarname.".tmp", "rb"); |
---|
| 1588 | |
---|
| 1589 | if ($v_temp_tar == 0) { |
---|
| 1590 | $this->_error('Unable to open file \''.$this->_tarname |
---|
| 1591 | .'.tmp\' in binary read mode'); |
---|
| 1592 | @rename($this->_tarname.".tmp", $this->_tarname); |
---|
| 1593 | return false; |
---|
| 1594 | } |
---|
| 1595 | |
---|
| 1596 | if (!$this->_openWrite()) { |
---|
| 1597 | @rename($this->_tarname.".tmp", $this->_tarname); |
---|
| 1598 | return false; |
---|
| 1599 | } |
---|
| 1600 | |
---|
| 1601 | if ($this->_compress_type == 'gz') { |
---|
| 1602 | $v_buffer = @gzread($v_temp_tar, 512); |
---|
| 1603 | |
---|
| 1604 | // ----- Read the following blocks but not the last one |
---|
| 1605 | if (!@gzeof($v_temp_tar)) { |
---|
| 1606 | do{ |
---|
| 1607 | $v_binary_data = pack("a512", $v_buffer); |
---|
| 1608 | $this->_writeBlock($v_binary_data); |
---|
| 1609 | $v_buffer = @gzread($v_temp_tar, 512); |
---|
| 1610 | |
---|
| 1611 | } while (!@gzeof($v_temp_tar)); |
---|
| 1612 | } |
---|
| 1613 | |
---|
| 1614 | @gzclose($v_temp_tar); |
---|
| 1615 | } |
---|
| 1616 | elseif ($this->_compress_type == 'bz2') { |
---|
| 1617 | $v_buffered_lines = array(); |
---|
| 1618 | $v_buffered_lines[] = @bzread($v_temp_tar, 512); |
---|
| 1619 | |
---|
| 1620 | // ----- Read the following blocks but not the last one |
---|
| 1621 | while (strlen($v_buffered_lines[] |
---|
| 1622 | = @bzread($v_temp_tar, 512)) > 0) { |
---|
| 1623 | $v_binary_data = pack("a512", |
---|
| 1624 | array_shift($v_buffered_lines)); |
---|
| 1625 | $this->_writeBlock($v_binary_data); |
---|
| 1626 | } |
---|
| 1627 | |
---|
| 1628 | @bzclose($v_temp_tar); |
---|
| 1629 | } |
---|
| 1630 | |
---|
| 1631 | if (!@unlink($this->_tarname.".tmp")) { |
---|
| 1632 | $this->_error('Error while deleting temporary file \'' |
---|
| 1633 | .$this->_tarname.'.tmp\''); |
---|
| 1634 | } |
---|
| 1635 | |
---|
| 1636 | } else { |
---|
| 1637 | // ----- For not compressed tar, just add files before the last |
---|
| 1638 | // 512 bytes block |
---|
| 1639 | if (!$this->_openReadWrite()) |
---|
| 1640 | return false; |
---|
| 1641 | |
---|
| 1642 | clearstatcache(); |
---|
| 1643 | $v_size = filesize($this->_tarname); |
---|
| 1644 | fseek($this->_file, $v_size-512); |
---|
| 1645 | } |
---|
| 1646 | |
---|
| 1647 | return true; |
---|
| 1648 | } |
---|
| 1649 | // }}} |
---|
| 1650 | |
---|
| 1651 | // {{{ _append() |
---|
| 1652 | function _append($p_filelist, $p_add_dir='', $p_remove_dir='') |
---|
| 1653 | { |
---|
| 1654 | if (!$this->_openAppend()) |
---|
| 1655 | return false; |
---|
| 1656 | |
---|
| 1657 | if ($this->_addList($p_filelist, $p_add_dir, $p_remove_dir)) |
---|
| 1658 | $this->_writeFooter(); |
---|
| 1659 | |
---|
| 1660 | $this->_close(); |
---|
| 1661 | |
---|
| 1662 | return true; |
---|
| 1663 | } |
---|
| 1664 | // }}} |
---|
| 1665 | |
---|
| 1666 | // {{{ _dirCheck() |
---|
| 1667 | |
---|
| 1668 | /** |
---|
| 1669 | * Check if a directory exists and create it (including parent |
---|
| 1670 | * dirs) if not. |
---|
| 1671 | * |
---|
| 1672 | * @param string $p_dir directory to check |
---|
| 1673 | * |
---|
| 1674 | * @return bool TRUE if the directory exists or was created |
---|
| 1675 | */ |
---|
| 1676 | function _dirCheck($p_dir) |
---|
| 1677 | { |
---|
| 1678 | if ((@is_dir($p_dir)) || ($p_dir == '')) |
---|
| 1679 | return true; |
---|
| 1680 | |
---|
| 1681 | $p_parent_dir = dirname($p_dir); |
---|
| 1682 | |
---|
| 1683 | if (($p_parent_dir != $p_dir) && |
---|
| 1684 | ($p_parent_dir != '') && |
---|
| 1685 | (!$this->_dirCheck($p_parent_dir))) |
---|
| 1686 | return false; |
---|
| 1687 | |
---|
| 1688 | if (!@mkdir($p_dir, 0777)) { |
---|
| 1689 | $this->_error("Unable to create directory '$p_dir'"); |
---|
| 1690 | return false; |
---|
| 1691 | } |
---|
| 1692 | |
---|
| 1693 | return true; |
---|
| 1694 | } |
---|
| 1695 | |
---|
| 1696 | // }}} |
---|
| 1697 | |
---|
| 1698 | // {{{ _pathReduction() |
---|
| 1699 | |
---|
| 1700 | /** |
---|
| 1701 | * Compress path by changing for example "/dir/foo/../bar" to "/dir/bar", |
---|
| 1702 | * rand emove double slashes. |
---|
| 1703 | * |
---|
| 1704 | * @param string $p_dir path to reduce |
---|
| 1705 | * |
---|
| 1706 | * @return string reduced path |
---|
| 1707 | * |
---|
| 1708 | * @access private |
---|
| 1709 | * |
---|
| 1710 | */ |
---|
| 1711 | function _pathReduction($p_dir) |
---|
| 1712 | { |
---|
| 1713 | $v_result = ''; |
---|
| 1714 | |
---|
| 1715 | // ----- Look for not empty path |
---|
| 1716 | if ($p_dir != '') { |
---|
| 1717 | // ----- Explode path by directory names |
---|
| 1718 | $v_list = explode('/', $p_dir); |
---|
| 1719 | |
---|
| 1720 | // ----- Study directories from last to first |
---|
| 1721 | for ($i=sizeof($v_list)-1; $i>=0; $i--) { |
---|
| 1722 | // ----- Look for current path |
---|
| 1723 | if ($v_list[$i] == ".") { |
---|
| 1724 | // ----- Ignore this directory |
---|
| 1725 | // Should be the first $i=0, but no check is done |
---|
| 1726 | } |
---|
| 1727 | else if ($v_list[$i] == "..") { |
---|
| 1728 | // ----- Ignore it and ignore the $i-1 |
---|
| 1729 | $i--; |
---|
| 1730 | } |
---|
| 1731 | else if ( ($v_list[$i] == '') |
---|
| 1732 | && ($i!=(sizeof($v_list)-1)) |
---|
| 1733 | && ($i!=0)) { |
---|
| 1734 | // ----- Ignore only the double '//' in path, |
---|
| 1735 | // but not the first and last / |
---|
| 1736 | } else { |
---|
| 1737 | $v_result = $v_list[$i].($i!=(sizeof($v_list)-1)?'/' |
---|
| 1738 | .$v_result:''); |
---|
| 1739 | } |
---|
| 1740 | } |
---|
| 1741 | } |
---|
| 1742 | $v_result = strtr($v_result, '\\', '/'); |
---|
| 1743 | return $v_result; |
---|
| 1744 | } |
---|
| 1745 | |
---|
| 1746 | // }}} |
---|
| 1747 | |
---|
| 1748 | // {{{ _translateWinPath() |
---|
| 1749 | function _translateWinPath($p_path, $p_remove_disk_letter=true) |
---|
| 1750 | { |
---|
| 1751 | if (OS_WINDOWS) { |
---|
| 1752 | // ----- Look for potential disk letter |
---|
| 1753 | if ( ($p_remove_disk_letter) |
---|
| 1754 | && (($v_position = strpos($p_path, ':')) != false)) { |
---|
| 1755 | $p_path = substr($p_path, $v_position+1); |
---|
| 1756 | } |
---|
| 1757 | // ----- Change potential windows directory separator |
---|
| 1758 | if ((strpos($p_path, '\\') > 0) || (substr($p_path, 0,1) == '\\')) { |
---|
| 1759 | $p_path = strtr($p_path, '\\', '/'); |
---|
| 1760 | } |
---|
| 1761 | } |
---|
| 1762 | return $p_path; |
---|
| 1763 | } |
---|
| 1764 | // }}} |
---|
| 1765 | |
---|
| 1766 | } |
---|
| 1767 | ?> |
---|