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-<?php
-/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
-
-/**
- * File::CSV
- *
- * PHP versions 4 and 5
- *
- * Copyright (c) 1997-2008,
- * Vincent Blavet <vincent@phpconcept.net>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * * Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * @category File_Formats
- * @package Archive_Tar
- * @author Vincent Blavet <vincent@phpconcept.net>
- * @copyright 1997-2010 The Authors
- * @license http://www.opensource.org/licenses/bsd-license.php New BSD License
- * @version CVS: $Id$
- * @link http://pear.php.net/package/Archive_Tar
- */
-
-require_once 'PEAR.php';
-
-define('ARCHIVE_TAR_ATT_SEPARATOR', 90001);
-define('ARCHIVE_TAR_END_BLOCK', pack("a512", ''));
-
-/**
-* Creates a (compressed) Tar archive
-*
-* @package Archive_Tar
-* @author Vincent Blavet <vincent@phpconcept.net>
-* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
-* @version $Revision$
-*/
-class Archive_Tar extends PEAR
-{
- /**
- * @var string Name of the Tar
- */
- var $_tarname='';
-
- /**
- * @var boolean if true, the Tar file will be gzipped
- */
- var $_compress=false;
-
- /**
- * @var string Type of compression : 'none', 'gz' or 'bz2'
- */
- var $_compress_type='none';
-
- /**
- * @var string Explode separator
- */
- var $_separator=' ';
-
- /**
- * @var file descriptor
- */
- var $_file=0;
-
- /**
- * @var string Local Tar name of a remote Tar (http:// or ftp://)
- */
- var $_temp_tarname='';
-
- /**
- * @var string regular expression for ignoring files or directories
- */
- var $_ignore_regexp='';
-
- /**
- * @var object PEAR_Error object
- */
- var $error_object=null;
-
- // {{{ constructor
- /**
- * Archive_Tar Class constructor. This flavour of the constructor only
- * declare a new Archive_Tar object, identifying it by the name of the
- * tar file.
- * If the compress argument is set the tar will be read or created as a
- * gzip or bz2 compressed TAR file.
- *
- * @param string $p_tarname The name of the tar archive to create
- * @param string $p_compress can be null, 'gz' or 'bz2'. This
- * parameter indicates if gzip or bz2 compression
- * is required. For compatibility reason the
- * boolean value 'true' means 'gz'.
- *
- * @access public
- */
- function Archive_Tar($p_tarname, $p_compress = null)
- {
- $this->PEAR();
- $this->_compress = false;
- $this->_compress_type = 'none';
- if (($p_compress === null) || ($p_compress == '')) {
- if (@file_exists($p_tarname)) {
- if ($fp = @fopen($p_tarname, "rb")) {
- // look for gzip magic cookie
- $data = fread($fp, 2);
- fclose($fp);
- if ($data == "\37\213") {
- $this->_compress = true;
- $this->_compress_type = 'gz';
- // No sure it's enought for a magic code ....
- } elseif ($data == "BZ") {
- $this->_compress = true;
- $this->_compress_type = 'bz2';
- }
- }
- } else {
- // probably a remote file or some file accessible
- // through a stream interface
- if (substr($p_tarname, -2) == 'gz') {
- $this->_compress = true;
- $this->_compress_type = 'gz';
- } elseif ((substr($p_tarname, -3) == 'bz2') ||
- (substr($p_tarname, -2) == 'bz')) {
- $this->_compress = true;
- $this->_compress_type = 'bz2';
- }
- }
- } else {
- if (($p_compress === true) || ($p_compress == 'gz')) {
- $this->_compress = true;
- $this->_compress_type = 'gz';
- } else if ($p_compress == 'bz2') {
- $this->_compress = true;
- $this->_compress_type = 'bz2';
- } else {
- $this->_error("Unsupported compression type '$p_compress'\n".
- "Supported types are 'gz' and 'bz2'.\n");
- return false;
- }
- }
- $this->_tarname = $p_tarname;
- if ($this->_compress) { // assert zlib or bz2 extension support
- if ($this->_compress_type == 'gz')
- $extname = 'zlib';
- else if ($this->_compress_type == 'bz2')
- $extname = 'bz2';
-
- if (!extension_loaded($extname)) {
- PEAR::loadExtension($extname);
- }
- if (!extension_loaded($extname)) {
- $this->_error("The extension '$extname' couldn't be found.\n".
- "Please make sure your version of PHP was built ".
- "with '$extname' support.\n");
- return false;
- }
- }
- }
- // }}}
-
- // {{{ destructor
- function _Archive_Tar()
- {
- $this->_close();
- // ----- Look for a local copy to delete
- if ($this->_temp_tarname != '')
- @unlink($this->_temp_tarname);
- $this->_PEAR();
- }
- // }}}
-
- // {{{ create()
- /**
- * This method creates the archive file and add the files / directories
- * that are listed in $p_filelist.
- * If a file with the same name exist and is writable, it is replaced
- * by the new tar.
- * The method return false and a PEAR error text.
- * The $p_filelist parameter can be an array of string, each string
- * representing a filename or a directory name with their path if
- * needed. It can also be a single string with names separated by a
- * single blank.
- * For each directory added in the archive, the files and
- * sub-directories are also added.
- * See also createModify() method for more details.
- *
- * @param array $p_filelist An array of filenames and directory names, or a
- * single string with names separated by a single
- * blank space.
- *
- * @return true on success, false on error.
- * @see createModify()
- * @access public
- */
- function create($p_filelist)
- {
- return $this->createModify($p_filelist, '', '');
- }
- // }}}
-
- // {{{ add()
- /**
- * This method add the files / directories that are listed in $p_filelist in
- * the archive. If the archive does not exist it is created.
- * The method return false and a PEAR error text.
- * The files and directories listed are only added at the end of the archive,
- * even if a file with the same name is already archived.
- * See also createModify() method for more details.
- *
- * @param array $p_filelist An array of filenames and directory names, or a
- * single string with names separated by a single
- * blank space.
- *
- * @return true on success, false on error.
- * @see createModify()
- * @access public
- */
- function add($p_filelist)
- {
- return $this->addModify($p_filelist, '', '');
- }
- // }}}
-
- // {{{ extract()
- function extract($p_path='', $p_preserve=false)
- {
- return $this->extractModify($p_path, '', $p_preserve);
- }
- // }}}
-
- // {{{ listContent()
- function listContent()
- {
- $v_list_detail = array();
-
- if ($this->_openRead()) {
- if (!$this->_extractList('', $v_list_detail, "list", '', '')) {
- unset($v_list_detail);
- $v_list_detail = 0;
- }
- $this->_close();
- }
-
- return $v_list_detail;
- }
- // }}}
-
- // {{{ createModify()
- /**
- * This method creates the archive file and add the files / directories
- * that are listed in $p_filelist.
- * If the file already exists and is writable, it is replaced by the
- * new tar. It is a create and not an add. If the file exists and is
- * read-only or is a directory it is not replaced. The method return
- * false and a PEAR error text.
- * The $p_filelist parameter can be an array of string, each string
- * representing a filename or a directory name with their path if
- * needed. It can also be a single string with names separated by a
- * single blank.
- * The path indicated in $p_remove_dir will be removed from the
- * memorized path of each file / directory listed when this path
- * exists. By default nothing is removed (empty path '')
- * The path indicated in $p_add_dir will be added at the beginning of
- * the memorized path of each file / directory listed. However it can
- * be set to empty ''. The adding of a path is done after the removing
- * of path.
- * The path add/remove ability enables the user to prepare an archive
- * for extraction in a different path than the origin files are.
- * See also addModify() method for file adding properties.
- *
- * @param array $p_filelist An array of filenames and directory names,
- * or a single string with names separated by
- * a single blank space.
- * @param string $p_add_dir A string which contains a path to be added
- * to the memorized path of each element in
- * the list.
- * @param string $p_remove_dir A string which contains a path to be
- * removed from the memorized path of each
- * element in the list, when relevant.
- *
- * @return boolean true on success, false on error.
- * @access public
- * @see addModify()
- */
- function createModify($p_filelist, $p_add_dir, $p_remove_dir='')
- {
- $v_result = true;
-
- if (!$this->_openWrite())
- return false;
-
- if ($p_filelist != '') {
- if (is_array($p_filelist))
- $v_list = $p_filelist;
- elseif (is_string($p_filelist))
- $v_list = explode($this->_separator, $p_filelist);
- else {
- $this->_cleanFile();
- $this->_error('Invalid file list');
- return false;
- }
-
- $v_result = $this->_addList($v_list, $p_add_dir, $p_remove_dir);
- }
-
- if ($v_result) {
- $this->_writeFooter();
- $this->_close();
- } else
- $this->_cleanFile();
-
- return $v_result;
- }
- // }}}
-
- // {{{ addModify()
- /**
- * This method add the files / directories listed in $p_filelist at the
- * end of the existing archive. If the archive does not yet exists it
- * is created.
- * The $p_filelist parameter can be an array of string, each string
- * representing a filename or a directory name with their path if
- * needed. It can also be a single string with names separated by a
- * single blank.
- * The path indicated in $p_remove_dir will be removed from the
- * memorized path of each file / directory listed when this path
- * exists. By default nothing is removed (empty path '')
- * The path indicated in $p_add_dir will be added at the beginning of
- * the memorized path of each file / directory listed. However it can
- * be set to empty ''. The adding of a path is done after the removing
- * of path.
- * The path add/remove ability enables the user to prepare an archive
- * for extraction in a different path than the origin files are.
- * If a file/dir is already in the archive it will only be added at the
- * end of the archive. There is no update of the existing archived
- * file/dir. However while extracting the archive, the last file will
- * replace the first one. This results in a none optimization of the
- * archive size.
- * If a file/dir does not exist the file/dir is ignored. However an
- * error text is send to PEAR error.
- * If a file/dir is not readable the file/dir is ignored. However an
- * error text is send to PEAR error.
- *
- * @param array $p_filelist An array of filenames and directory
- * names, or a single string with names
- * separated by a single blank space.
- * @param string $p_add_dir A string which contains a path to be
- * added to the memorized path of each
- * element in the list.
- * @param string $p_remove_dir A string which contains a path to be
- * removed from the memorized path of
- * each element in the list, when
- * relevant.
- *
- * @return true on success, false on error.
- * @access public
- */
- function addModify($p_filelist, $p_add_dir, $p_remove_dir='')
- {
- $v_result = true;
-
- if (!$this->_isArchive())
- $v_result = $this->createModify($p_filelist, $p_add_dir,
- $p_remove_dir);
- else {
- if (is_array($p_filelist))
- $v_list = $p_filelist;
- elseif (is_string($p_filelist))
- $v_list = explode($this->_separator, $p_filelist);
- else {
- $this->_error('Invalid file list');
- return false;
- }
-
- $v_result = $this->_append($v_list, $p_add_dir, $p_remove_dir);
- }
-
- return $v_result;
- }
- // }}}
-
- // {{{ addString()
- /**
- * This method add a single string as a file at the
- * end of the existing archive. If the archive does not yet exists it
- * is created.
- *
- * @param string $p_filename A string which contains the full
- * filename path that will be associated
- * with the string.
- * @param string $p_string The content of the file added in
- * the archive.
- * @param int $p_datetime A custom date/time (unix timestamp)
- * for the file (optional).
- *
- * @return true on success, false on error.
- * @access public
- */
- function addString($p_filename, $p_string, $p_datetime = false)
- {
- $v_result = true;
-
- if (!$this->_isArchive()) {
- if (!$this->_openWrite()) {
- return false;
- }
- $this->_close();
- }
-
- if (!$this->_openAppend())
- return false;
-
- // Need to check the get back to the temporary file ? ....
- $v_result = $this->_addString($p_filename, $p_string, $p_datetime);
-
- $this->_writeFooter();
-
- $this->_close();
-
- return $v_result;
- }
- // }}}
-
- // {{{ extractModify()
- /**
- * This method extract all the content of the archive in the directory
- * indicated by $p_path. When relevant the memorized path of the
- * files/dir can be modified by removing the $p_remove_path path at the
- * beginning of the file/dir path.
- * While extracting a file, if the directory path does not exists it is
- * created.
- * While extracting a file, if the file already exists it is replaced
- * without looking for last modification date.
- * While extracting a file, if the file already exists and is write
- * protected, the extraction is aborted.
- * While extracting a file, if a directory with the same name already
- * exists, the extraction is aborted.
- * While extracting a directory, if a file with the same name already
- * exists, the extraction is aborted.
- * While extracting a file/directory if the destination directory exist
- * and is write protected, or does not exist but can not be created,
- * the extraction is aborted.
- * If after extraction an extracted file does not show the correct
- * stored file size, the extraction is aborted.
- * When the extraction is aborted, a PEAR error text is set and false
- * is returned. However the result can be a partial extraction that may
- * need to be manually cleaned.
- *
- * @param string $p_path The path of the directory where the
- * files/dir need to by extracted.
- * @param string $p_remove_path Part of the memorized path that can be
- * removed if present at the beginning of
- * the file/dir path.
- * @param boolean $p_preserve Preserve user/group ownership of files
- *
- * @return boolean true on success, false on error.
- * @access public
- * @see extractList()
- */
- function extractModify($p_path, $p_remove_path, $p_preserve=false)
- {
- $v_result = true;
- $v_list_detail = array();
-
- if ($v_result = $this->_openRead()) {
- $v_result = $this->_extractList($p_path, $v_list_detail,
- "complete", 0, $p_remove_path, $p_preserve);
- $this->_close();
- }
-
- return $v_result;
- }
- // }}}
-
- // {{{ extractInString()
- /**
- * This method extract from the archive one file identified by $p_filename.
- * The return value is a string with the file content, or NULL on error.
- *
- * @param string $p_filename The path of the file to extract in a string.
- *
- * @return a string with the file content or NULL.
- * @access public
- */
- function extractInString($p_filename)
- {
- if ($this->_openRead()) {
- $v_result = $this->_extractInString($p_filename);
- $this->_close();
- } else {
- $v_result = null;
- }
-
- return $v_result;
- }
- // }}}
-
- // {{{ extractList()
- /**
- * This method extract from the archive only the files indicated in the
- * $p_filelist. These files are extracted in the current directory or
- * in the directory indicated by the optional $p_path parameter.
- * If indicated the $p_remove_path can be used in the same way as it is
- * used in extractModify() method.
- *
- * @param array $p_filelist An array of filenames and directory names,
- * or a single string with names separated
- * by a single blank space.
- * @param string $p_path The path of the directory where the
- * files/dir need to by extracted.
- * @param string $p_remove_path Part of the memorized path that can be
- * removed if present at the beginning of
- * the file/dir path.
- * @param boolean $p_preserve Preserve user/group ownership of files
- *
- * @return true on success, false on error.
- * @access public
- * @see extractModify()
- */
- function extractList($p_filelist, $p_path='', $p_remove_path='', $p_preserve=false)
- {
- $v_result = true;
- $v_list_detail = array();
-
- if (is_array($p_filelist))
- $v_list = $p_filelist;
- elseif (is_string($p_filelist))
- $v_list = explode($this->_separator, $p_filelist);
- else {
- $this->_error('Invalid string list');
- return false;
- }
-
- if ($v_result = $this->_openRead()) {
- $v_result = $this->_extractList($p_path, $v_list_detail, "partial",
- $v_list, $p_remove_path, $p_preserve);
- $this->_close();
- }
-
- return $v_result;
- }
- // }}}
-
- // {{{ setAttribute()
- /**
- * This method set specific attributes of the archive. It uses a variable
- * list of parameters, in the format attribute code + attribute values :
- * $arch->setAttribute(ARCHIVE_TAR_ATT_SEPARATOR, ',');
- *
- * @param mixed $argv variable list of attributes and values
- *
- * @return true on success, false on error.
- * @access public
- */
- function setAttribute()
- {
- $v_result = true;
-
- // ----- Get the number of variable list of arguments
- if (($v_size = func_num_args()) == 0) {
- return true;
- }
-
- // ----- Get the arguments
- $v_att_list = &func_get_args();
-
- // ----- Read the attributes
- $i=0;
- while ($i<$v_size) {
-
- // ----- Look for next option
- switch ($v_att_list[$i]) {
- // ----- Look for options that request a string value
- case ARCHIVE_TAR_ATT_SEPARATOR :
- // ----- Check the number of parameters
- if (($i+1) >= $v_size) {
- $this->_error('Invalid number of parameters for '
- .'attribute ARCHIVE_TAR_ATT_SEPARATOR');
- return false;
- }
-
- // ----- Get the value
- $this->_separator = $v_att_list[$i+1];
- $i++;
- break;
-
- default :
- $this->_error('Unknow attribute code '.$v_att_list[$i].'');
- return false;
- }
-
- // ----- Next attribute
- $i++;
- }
-
- return $v_result;
- }
- // }}}
-
- // {{{ setIgnoreRegexp()
- /**
- * This method sets the regular expression for ignoring files and directories
- * at import, for example:
- * $arch->setIgnoreRegexp("#CVS|\.svn#");
- *
- * @param string $regexp regular expression defining which files or directories to ignore
- *
- * @access public
- */
- function setIgnoreRegexp($regexp)
- {
- $this->_ignore_regexp = $regexp;
- }
- // }}}
-
- // {{{ setIgnoreList()
- /**
- * This method sets the regular expression for ignoring all files and directories
- * matching the filenames in the array list at import, for example:
- * $arch->setIgnoreList(array('CVS', '.svn', 'bin/tool'));
- *
- * @param array $list a list of file or directory names to ignore
- *
- * @access public
- */
- function setIgnoreList($list)
- {
- $regexp = str_replace(array('#', '.', '^', '$'), array('\#', '\.', '\^', '\$'), $list);
- $regexp = '#/'.join('$|/', $list).'#';
- $this->setIgnoreRegexp($regexp);
- }
- // }}}
-
- // {{{ _error()
- function _error($p_message)
- {
- $this->error_object = &$this->raiseError($p_message);
- }
- // }}}
-
- // {{{ _warning()
- function _warning($p_message)
- {
- $this->error_object = &$this->raiseError($p_message);
- }
- // }}}
-
- // {{{ _isArchive()
- function _isArchive($p_filename=null)
- {
- if ($p_filename == null) {
- $p_filename = $this->_tarname;
- }
- clearstatcache();
- return @is_file($p_filename) && !@is_link($p_filename);
- }
- // }}}
-
- // {{{ _openWrite()
- function _openWrite()
- {
- if ($this->_compress_type == 'gz' && function_exists('gzopen'))
- $this->_file = @gzopen($this->_tarname, "wb9");
- else if ($this->_compress_type == 'bz2' && function_exists('bzopen'))
- $this->_file = @bzopen($this->_tarname, "w");
- else if ($this->_compress_type == 'none')
- $this->_file = @fopen($this->_tarname, "wb");
- else {
- $this->_error('Unknown or missing compression type ('
- .$this->_compress_type.')');
- return false;
- }
-
- if ($this->_file == 0) {
- $this->_error('Unable to open in write mode \''
- .$this->_tarname.'\'');
- return false;
- }
-
- return true;
- }
- // }}}
-
- // {{{ _openRead()
- function _openRead()
- {
- if (strtolower(substr($this->_tarname, 0, 7)) == 'http://') {
-
- // ----- Look if a local copy need to be done
- if ($this->_temp_tarname == '') {
- $this->_temp_tarname = uniqid('tar').'.tmp';
- if (!$v_file_from = @fopen($this->_tarname, 'rb')) {
- $this->_error('Unable to open in read mode \''
- .$this->_tarname.'\'');
- $this->_temp_tarname = '';
- return false;
- }
- if (!$v_file_to = @fopen($this->_temp_tarname, 'wb')) {
- $this->_error('Unable to open in write mode \''
- .$this->_temp_tarname.'\'');
- $this->_temp_tarname = '';
- return false;
- }
- while ($v_data = @fread($v_file_from, 1024))
- @fwrite($v_file_to, $v_data);
- @fclose($v_file_from);
- @fclose($v_file_to);
- }
-
- // ----- File to open if the local copy
- $v_filename = $this->_temp_tarname;
-
- } else
- // ----- File to open if the normal Tar file
- $v_filename = $this->_tarname;
-
- if ($this->_compress_type == 'gz' && function_exists('gzopen'))
- $this->_file = @gzopen($v_filename, "rb");
- else if ($this->_compress_type == 'bz2' && function_exists('bzopen'))
- $this->_file = @bzopen($v_filename, "r");
- else if ($this->_compress_type == 'none')
- $this->_file = @fopen($v_filename, "rb");
- else {
- $this->_error('Unknown or missing compression type ('
- .$this->_compress_type.')');
- return false;
- }
-
- if ($this->_file == 0) {
- $this->_error('Unable to open in read mode \''.$v_filename.'\'');
- return false;
- }
-
- return true;
- }
- // }}}
-
- // {{{ _openReadWrite()
- function _openReadWrite()
- {
- if ($this->_compress_type == 'gz')
- $this->_file = @gzopen($this->_tarname, "r+b");
- else if ($this->_compress_type == 'bz2') {
- $this->_error('Unable to open bz2 in read/write mode \''
- .$this->_tarname.'\' (limitation of bz2 extension)');
- return false;
- } else if ($this->_compress_type == 'none')
- $this->_file = @fopen($this->_tarname, "r+b");
- else {
- $this->_error('Unknown or missing compression type ('
- .$this->_compress_type.')');
- return false;
- }
-
- if ($this->_file == 0) {
- $this->_error('Unable to open in read/write mode \''
- .$this->_tarname.'\'');
- return false;
- }
-
- return true;
- }
- // }}}
-
- // {{{ _close()
- function _close()
- {
- //if (isset($this->_file)) {
- if (is_resource($this->_file)) {
- if ($this->_compress_type == 'gz')
- @gzclose($this->_file);
- else if ($this->_compress_type == 'bz2')
- @bzclose($this->_file);
- else if ($this->_compress_type == 'none')
- @fclose($this->_file);
- else
- $this->_error('Unknown or missing compression type ('
- .$this->_compress_type.')');
-
- $this->_file = 0;
- }
-
- // ----- Look if a local copy need to be erase
- // Note that it might be interesting to keep the url for a time : ToDo
- if ($this->_temp_tarname != '') {
- @unlink($this->_temp_tarname);
- $this->_temp_tarname = '';
- }
-
- return true;
- }
- // }}}
-
- // {{{ _cleanFile()
- function _cleanFile()
- {
- $this->_close();
-
- // ----- Look for a local copy
- if ($this->_temp_tarname != '') {
- // ----- Remove the local copy but not the remote tarname
- @unlink($this->_temp_tarname);
- $this->_temp_tarname = '';
- } else {
- // ----- Remove the local tarname file
- @unlink($this->_tarname);
- }
- $this->_tarname = '';
-
- return true;
- }
- // }}}
-
- // {{{ _writeBlock()
- function _writeBlock($p_binary_data, $p_len=null)
- {
- if (is_resource($this->_file)) {
- if ($p_len === null) {
- if ($this->_compress_type == 'gz')
- @gzputs($this->_file, $p_binary_data);
- else if ($this->_compress_type == 'bz2')
- @bzwrite($this->_file, $p_binary_data);
- else if ($this->_compress_type == 'none')
- @fputs($this->_file, $p_binary_data);
- else
- $this->_error('Unknown or missing compression type ('
- .$this->_compress_type.')');
- } else {
- if ($this->_compress_type == 'gz')
- @gzputs($this->_file, $p_binary_data, $p_len);
- else if ($this->_compress_type == 'bz2')
- @bzwrite($this->_file, $p_binary_data, $p_len);
- else if ($this->_compress_type == 'none')
- @fputs($this->_file, $p_binary_data, $p_len);
- else
- $this->_error('Unknown or missing compression type ('
- .$this->_compress_type.')');
-
- }
- }
- return true;
- }
- // }}}
-
- // {{{ _readBlock()
- function _readBlock()
- {
- $v_block = null;
- if (is_resource($this->_file)) {
- if ($this->_compress_type == 'gz')
- $v_block = @gzread($this->_file, 512);
- else if ($this->_compress_type == 'bz2')
- $v_block = @bzread($this->_file, 512);
- else if ($this->_compress_type == 'none')
- $v_block = @fread($this->_file, 512);
- else
- $this->_error('Unknown or missing compression type ('
- .$this->_compress_type.')');
- }
- return $v_block;
- }
- // }}}
-
- // {{{ _jumpBlock()
- function _jumpBlock($p_len=null)
- {
- if (is_resource($this->_file)) {
- if ($p_len === null)
- $p_len = 1;
-
- if ($this->_compress_type == 'gz') {
- @gzseek($this->_file, gztell($this->_file)+($p_len*512));
- }
- else if ($this->_compress_type == 'bz2') {
- // ----- Replace missing bztell() and bzseek()
- for ($i=0; $i<$p_len; $i++)
- $this->_readBlock();
- } else if ($this->_compress_type == 'none')
- @fseek($this->_file, $p_len*512, SEEK_CUR);
- else
- $this->_error('Unknown or missing compression type ('
- .$this->_compress_type.')');
-
- }
- return true;
- }
- // }}}
-
- // {{{ _writeFooter()
- function _writeFooter()
- {
- if (is_resource($this->_file)) {
- // ----- Write the last 0 filled block for end of archive
- $v_binary_data = pack('a1024', '');
- $this->_writeBlock($v_binary_data);
- }
- return true;
- }
- // }}}
-
- // {{{ _addList()
- function _addList($p_list, $p_add_dir, $p_remove_dir)
- {
- $v_result=true;
- $v_header = array();
-
- // ----- Remove potential windows directory separator
- $p_add_dir = $this->_translateWinPath($p_add_dir);
- $p_remove_dir = $this->_translateWinPath($p_remove_dir, false);
-
- if (!$this->_file) {
- $this->_error('Invalid file descriptor');
- return false;
- }
-
- if (sizeof($p_list) == 0)
- return true;
-
- foreach ($p_list as $v_filename) {
- if (!$v_result) {
- break;
- }
-
- // ----- Skip the current tar name
- if ($v_filename == $this->_tarname)
- continue;
-
- if ($v_filename == '')
- continue;
-
- // ----- ignore files and directories matching the ignore regular expression
- if ($this->_ignore_regexp && preg_match($this->_ignore_regexp, '/'.$v_filename)) {
- $this->_warning("File '$v_filename' ignored");
- continue;
- }
-
- if (!file_exists($v_filename) && !is_link($v_filename)) {
- $this->_warning("File '$v_filename' does not exist");
- continue;
- }
-
- // ----- Add the file or directory header
- if (!$this->_addFile($v_filename, $v_header, $p_add_dir, $p_remove_dir))
- return false;
-
- if (@is_dir($v_filename) && !@is_link($v_filename)) {
- if (!($p_hdir = opendir($v_filename))) {
- $this->_warning("Directory '$v_filename' can not be read");
- continue;
- }
- while (false !== ($p_hitem = readdir($p_hdir))) {
- if (($p_hitem != '.') && ($p_hitem != '..')) {
- if ($v_filename != ".")
- $p_temp_list[0] = $v_filename.'/'.$p_hitem;
- else
- $p_temp_list[0] = $p_hitem;
-
- $v_result = $this->_addList($p_temp_list,
- $p_add_dir,
- $p_remove_dir);
- }
- }
-
- unset($p_temp_list);
- unset($p_hdir);
- unset($p_hitem);
- }
- }
-
- return $v_result;
- }
- // }}}
-
- // {{{ _addFile()
- function _addFile($p_filename, &$p_header, $p_add_dir, $p_remove_dir)
- {
- if (!$this->_file) {
- $this->_error('Invalid file descriptor');
- return false;
- }
-
- if ($p_filename == '') {
- $this->_error('Invalid file name');
- return false;
- }
-
- // ----- Calculate the stored filename
- $p_filename = $this->_translateWinPath($p_filename, false);;
- $v_stored_filename = $p_filename;
- if (strcmp($p_filename, $p_remove_dir) == 0) {
- return true;
- }
- if ($p_remove_dir != '') {
- if (substr($p_remove_dir, -1) != '/')
- $p_remove_dir .= '/';
-
- if (substr($p_filename, 0, strlen($p_remove_dir)) == $p_remove_dir)
- $v_stored_filename = substr($p_filename, strlen($p_remove_dir));
- }
- $v_stored_filename = $this->_translateWinPath($v_stored_filename);
- if ($p_add_dir != '') {
- if (substr($p_add_dir, -1) == '/')
- $v_stored_filename = $p_add_dir.$v_stored_filename;
- else
- $v_stored_filename = $p_add_dir.'/'.$v_stored_filename;
- }
-
- $v_stored_filename = $this->_pathReduction($v_stored_filename);
-
- if ($this->_isArchive($p_filename)) {
- if (($v_file = @fopen($p_filename, "rb")) == 0) {
- $this->_warning("Unable to open file '".$p_filename
- ."' in binary read mode");
- return true;
- }
-
- if (!$this->_writeHeader($p_filename, $v_stored_filename))
- return false;
-
- while (($v_buffer = fread($v_file, 512)) != '') {
- $v_binary_data = pack("a512", "$v_buffer");
- $this->_writeBlock($v_binary_data);
- }
-
- fclose($v_file);
-
- } else {
- // ----- Only header for dir
- if (!$this->_writeHeader($p_filename, $v_stored_filename))
- return false;
- }
-
- return true;
- }
- // }}}
-
- // {{{ _addString()
- function _addString($p_filename, $p_string, $p_datetime = false)
- {
- if (!$this->_file) {
- $this->_error('Invalid file descriptor');
- return false;
- }
-
- if ($p_filename == '') {
- $this->_error('Invalid file name');
- return false;
- }
-
- // ----- Calculate the stored filename
- $p_filename = $this->_translateWinPath($p_filename, false);;
-
- // ----- If datetime is not specified, set current time
- if ($p_datetime === false) {
- $p_datetime = time();
- }
-
- if (!$this->_writeHeaderBlock($p_filename, strlen($p_string),
- $p_datetime, 384, "", 0, 0))
- return false;
-
- $i=0;
- while (($v_buffer = substr($p_string, (($i++)*512), 512)) != '') {
- $v_binary_data = pack("a512", $v_buffer);
- $this->_writeBlock($v_binary_data);
- }
-
- return true;
- }
- // }}}
-
- // {{{ _writeHeader()
- function _writeHeader($p_filename, $p_stored_filename)
- {
- if ($p_stored_filename == '')
- $p_stored_filename = $p_filename;
- $v_reduce_filename = $this->_pathReduction($p_stored_filename);
-
- if (strlen($v_reduce_filename) > 99) {
- if (!$this->_writeLongHeader($v_reduce_filename))
- return false;
- }
-
- $v_info = lstat($p_filename);
- $v_uid = sprintf("%07s", DecOct($v_info[4]));
- $v_gid = sprintf("%07s", DecOct($v_info[5]));
- $v_perms = sprintf("%07s", DecOct($v_info['mode'] & 000777));
-
- $v_mtime = sprintf("%011s", DecOct($v_info['mtime']));
-
- $v_linkname = '';
-
- if (@is_link($p_filename)) {
- $v_typeflag = '2';
- $v_linkname = readlink($p_filename);
- $v_size = sprintf("%011s", DecOct(0));
- } elseif (@is_dir($p_filename)) {
- $v_typeflag = "5";
- $v_size = sprintf("%011s", DecOct(0));
- } else {
- $v_typeflag = '0';
- clearstatcache();
- $v_size = sprintf("%011s", DecOct($v_info['size']));
- }
-
- $v_magic = 'ustar ';
-
- $v_version = ' ';
-
- if (function_exists('posix_getpwuid'))
- {
- $userinfo = posix_getpwuid($v_info[4]);
- $groupinfo = posix_getgrgid($v_info[5]);
-
- $v_uname = $userinfo['name'];
- $v_gname = $groupinfo['name'];
- }
- else
- {
- $v_uname = '';
- $v_gname = '';
- }
-
- $v_devmajor = '';
-
- $v_devminor = '';
-
- $v_prefix = '';
-
- $v_binary_data_first = pack("a100a8a8a8a12a12",
- $v_reduce_filename, $v_perms, $v_uid,
- $v_gid, $v_size, $v_mtime);
- $v_binary_data_last = pack("a1a100a6a2a32a32a8a8a155a12",
- $v_typeflag, $v_linkname, $v_magic,
- $v_version, $v_uname, $v_gname,
- $v_devmajor, $v_devminor, $v_prefix, '');
-
- // ----- Calculate the checksum
- $v_checksum = 0;
- // ..... First part of the header
- for ($i=0; $i<148; $i++)
- $v_checksum += ord(substr($v_binary_data_first,$i,1));
- // ..... Ignore the checksum value and replace it by ' ' (space)
- for ($i=148; $i<156; $i++)
- $v_checksum += ord(' ');
- // ..... Last part of the header
- for ($i=156, $j=0; $i<512; $i++, $j++)
- $v_checksum += ord(substr($v_binary_data_last,$j,1));
-
- // ----- Write the first 148 bytes of the header in the archive
- $this->_writeBlock($v_binary_data_first, 148);
-
- // ----- Write the calculated checksum
- $v_checksum = sprintf("%06s ", DecOct($v_checksum));
- $v_binary_data = pack("a8", $v_checksum);
- $this->_writeBlock($v_binary_data, 8);
-
- // ----- Write the last 356 bytes of the header in the archive
- $this->_writeBlock($v_binary_data_last, 356);
-
- return true;
- }
- // }}}
-
- // {{{ _writeHeaderBlock()
- function _writeHeaderBlock($p_filename, $p_size, $p_mtime=0, $p_perms=0,
- $p_type='', $p_uid=0, $p_gid=0)
- {
- $p_filename = $this->_pathReduction($p_filename);
-
- if (strlen($p_filename) > 99) {
- if (!$this->_writeLongHeader($p_filename))
- return false;
- }
-
- if ($p_type == "5") {
- $v_size = sprintf("%011s", DecOct(0));
- } else {
- $v_size = sprintf("%011s", DecOct($p_size));
- }
-
- $v_uid = sprintf("%07s", DecOct($p_uid));
- $v_gid = sprintf("%07s", DecOct($p_gid));
- $v_perms = sprintf("%07s", DecOct($p_perms & 000777));
-
- $v_mtime = sprintf("%11s", DecOct($p_mtime));
-
- $v_linkname = '';
-
- $v_magic = 'ustar ';
-
- $v_version = ' ';
-
- if (function_exists('posix_getpwuid'))
- {
- $userinfo = posix_getpwuid($p_uid);
- $groupinfo = posix_getgrgid($p_gid);
-
- $v_uname = $userinfo['name'];
- $v_gname = $groupinfo['name'];
- }
- else
- {
- $v_uname = '';
- $v_gname = '';
- }
-
- $v_devmajor = '';
-
- $v_devminor = '';
-
- $v_prefix = '';
-
- $v_binary_data_first = pack("a100a8a8a8a12A12",
- $p_filename, $v_perms, $v_uid, $v_gid,
- $v_size, $v_mtime);
- $v_binary_data_last = pack("a1a100a6a2a32a32a8a8a155a12",
- $p_type, $v_linkname, $v_magic,
- $v_version, $v_uname, $v_gname,
- $v_devmajor, $v_devminor, $v_prefix, '');
-
- // ----- Calculate the checksum
- $v_checksum = 0;
- // ..... First part of the header
- for ($i=0; $i<148; $i++)
- $v_checksum += ord(substr($v_binary_data_first,$i,1));
- // ..... Ignore the checksum value and replace it by ' ' (space)
- for ($i=148; $i<156; $i++)
- $v_checksum += ord(' ');
- // ..... Last part of the header
- for ($i=156, $j=0; $i<512; $i++, $j++)
- $v_checksum += ord(substr($v_binary_data_last,$j,1));
-
- // ----- Write the first 148 bytes of the header in the archive
- $this->_writeBlock($v_binary_data_first, 148);
-
- // ----- Write the calculated checksum
- $v_checksum = sprintf("%06s ", DecOct($v_checksum));
- $v_binary_data = pack("a8", $v_checksum);
- $this->_writeBlock($v_binary_data, 8);
-
- // ----- Write the last 356 bytes of the header in the archive
- $this->_writeBlock($v_binary_data_last, 356);
-
- return true;
- }
- // }}}
-
- // {{{ _writeLongHeader()
- function _writeLongHeader($p_filename)
- {
- $v_size = sprintf("%11s ", DecOct(strlen($p_filename)));
-
- $v_typeflag = 'L';
-
- $v_linkname = '';
-
- $v_magic = '';
-
- $v_version = '';
-
- $v_uname = '';
-
- $v_gname = '';
-
- $v_devmajor = '';
-
- $v_devminor = '';
-
- $v_prefix = '';
-
- $v_binary_data_first = pack("a100a8a8a8a12a12",
- '././@LongLink', 0, 0, 0, $v_size, 0);
- $v_binary_data_last = pack("a1a100a6a2a32a32a8a8a155a12",
- $v_typeflag, $v_linkname, $v_magic,
- $v_version, $v_uname, $v_gname,
- $v_devmajor, $v_devminor, $v_prefix, '');
-
- // ----- Calculate the checksum
- $v_checksum = 0;
- // ..... First part of the header
- for ($i=0; $i<148; $i++)
- $v_checksum += ord(substr($v_binary_data_first,$i,1));
- // ..... Ignore the checksum value and replace it by ' ' (space)
- for ($i=148; $i<156; $i++)
- $v_checksum += ord(' ');
- // ..... Last part of the header
- for ($i=156, $j=0; $i<512; $i++, $j++)
- $v_checksum += ord(substr($v_binary_data_last,$j,1));
-
- // ----- Write the first 148 bytes of the header in the archive
- $this->_writeBlock($v_binary_data_first, 148);
-
- // ----- Write the calculated checksum
- $v_checksum = sprintf("%06s ", DecOct($v_checksum));
- $v_binary_data = pack("a8", $v_checksum);
- $this->_writeBlock($v_binary_data, 8);
-
- // ----- Write the last 356 bytes of the header in the archive
- $this->_writeBlock($v_binary_data_last, 356);
-
- // ----- Write the filename as content of the block
- $i=0;
- while (($v_buffer = substr($p_filename, (($i++)*512), 512)) != '') {
- $v_binary_data = pack("a512", "$v_buffer");
- $this->_writeBlock($v_binary_data);
- }
-
- return true;
- }
- // }}}
-
- // {{{ _readHeader()
- function _readHeader($v_binary_data, &$v_header)
- {
- if (strlen($v_binary_data)==0) {
- $v_header['filename'] = '';
- return true;
- }
-
- if (strlen($v_binary_data) != 512) {
- $v_header['filename'] = '';
- $this->_error('Invalid block size : '.strlen($v_binary_data));
- return false;
- }
-
- if (!is_array($v_header)) {
- $v_header = array();
- }
- // ----- Calculate the checksum
- $v_checksum = 0;
- // ..... First part of the header
- for ($i=0; $i<148; $i++)
- $v_checksum+=ord(substr($v_binary_data,$i,1));
- // ..... Ignore the checksum value and replace it by ' ' (space)
- for ($i=148; $i<156; $i++)
- $v_checksum += ord(' ');
- // ..... Last part of the header
- for ($i=156; $i<512; $i++)
- $v_checksum+=ord(substr($v_binary_data,$i,1));
-
- if (version_compare(PHP_VERSION,"5.5.0-dev")<0) {
- $fmt = "a100filename/a8mode/a8uid/a8gid/a12size/a12mtime/" .
- "a8checksum/a1typeflag/a100link/a6magic/a2version/" .
- "a32uname/a32gname/a8devmajor/a8devminor/a131prefix";
- } else {
- $fmt = "Z100filename/Z8mode/Z8uid/Z8gid/Z12size/Z12mtime/" .
- "Z8checksum/Z1typeflag/Z100link/Z6magic/Z2version/" .
- "Z32uname/Z32gname/Z8devmajor/Z8devminor/Z131prefix";
- }
- $v_data = unpack($fmt, $v_binary_data);
-
- if (strlen($v_data["prefix"]) > 0) {
- $v_data["filename"] = "$v_data[prefix]/$v_data[filename]";
- }
-
- // ----- Extract the checksum
- $v_header['checksum'] = OctDec(trim($v_data['checksum']));
- if ($v_header['checksum'] != $v_checksum) {
- $v_header['filename'] = '';
-
- // ----- Look for last block (empty block)
- if (($v_checksum == 256) && ($v_header['checksum'] == 0))
- return true;
-
- $this->_error('Invalid checksum for file "'.$v_data['filename']
- .'" : '.$v_checksum.' calculated, '
- .$v_header['checksum'].' expected');
- return false;
- }
-
- // ----- Extract the properties
- $v_header['filename'] = $v_data['filename'];
- if ($this->_maliciousFilename($v_header['filename'])) {
- $this->_error('Malicious .tar detected, file "' . $v_header['filename'] .
- '" will not install in desired directory tree');
- return false;
- }
- $v_header['mode'] = OctDec(trim($v_data['mode']));
- $v_header['uid'] = OctDec(trim($v_data['uid']));
- $v_header['gid'] = OctDec(trim($v_data['gid']));
- $v_header['size'] = OctDec(trim($v_data['size']));
- $v_header['mtime'] = OctDec(trim($v_data['mtime']));
- if (($v_header['typeflag'] = $v_data['typeflag']) == "5") {
- $v_header['size'] = 0;
- }
- $v_header['link'] = trim($v_data['link']);
- /* ----- All these fields are removed form the header because
- they do not carry interesting info
- $v_header[magic] = trim($v_data[magic]);
- $v_header[version] = trim($v_data[version]);
- $v_header[uname] = trim($v_data[uname]);
- $v_header[gname] = trim($v_data[gname]);
- $v_header[devmajor] = trim($v_data[devmajor]);
- $v_header[devminor] = trim($v_data[devminor]);
- */
-
- return true;
- }
- // }}}
-
- // {{{ _maliciousFilename()
- /**
- * Detect and report a malicious file name
- *
- * @param string $file
- *
- * @return bool
- * @access private
- */
- function _maliciousFilename($file)
- {
- if (strpos($file, '/../') !== false) {
- return true;
- }
- if (strpos($file, '../') === 0) {
- return true;
- }
- return false;
- }
- // }}}
-
- // {{{ _readLongHeader()
- function _readLongHeader(&$v_header)
- {
- $v_filename = '';
- $n = floor($v_header['size']/512);
- for ($i=0; $i<$n; $i++) {
- $v_content = $this->_readBlock();
- $v_filename .= $v_content;
- }
- if (($v_header['size'] % 512) != 0) {
- $v_content = $this->_readBlock();
- $v_filename .= trim($v_content);
- }
-
- // ----- Read the next header
- $v_binary_data = $this->_readBlock();
-
- if (!$this->_readHeader($v_binary_data, $v_header))
- return false;
-
- $v_filename = trim($v_filename);
- $v_header['filename'] = $v_filename;
- if ($this->_maliciousFilename($v_filename)) {
- $this->_error('Malicious .tar detected, file "' . $v_filename .
- '" will not install in desired directory tree');
- return false;
- }
-
- return true;
- }
- // }}}
-
- // {{{ _extractInString()
- /**
- * This method extract from the archive one file identified by $p_filename.
- * The return value is a string with the file content, or null on error.
- *
- * @param string $p_filename The path of the file to extract in a string.
- *
- * @return a string with the file content or null.
- * @access private
- */
- function _extractInString($p_filename)
- {
- $v_result_str = "";
-
- While (strlen($v_binary_data = $this->_readBlock()) != 0)
- {
- if (!$this->_readHeader($v_binary_data, $v_header))
- return null;
-
- if ($v_header['filename'] == '')
- continue;
-
- // ----- Look for long filename
- if ($v_header['typeflag'] == 'L') {
- if (!$this->_readLongHeader($v_header))
- return null;
- }
-
- if ($v_header['filename'] == $p_filename) {
- if ($v_header['typeflag'] == "5") {
- $this->_error('Unable to extract in string a directory '
- .'entry {'.$v_header['filename'].'}');
- return null;
- } else {
- $n = floor($v_header['size']/512);
- for ($i=0; $i<$n; $i++) {
- $v_result_str .= $this->_readBlock();
- }
- if (($v_header['size'] % 512) != 0) {
- $v_content = $this->_readBlock();
- $v_result_str .= substr($v_content, 0,
- ($v_header['size'] % 512));
- }
- return $v_result_str;
- }
- } else {
- $this->_jumpBlock(ceil(($v_header['size']/512)));
- }
- }
-
- return null;
- }
- // }}}
-
- // {{{ _extractList()
- function _extractList($p_path, &$p_list_detail, $p_mode,
- $p_file_list, $p_remove_path, $p_preserve=false)
- {
- $v_result=true;
- $v_nb = 0;
- $v_extract_all = true;
- $v_listing = false;
-
- $p_path = $this->_translateWinPath($p_path, false);
- if ($p_path == '' || (substr($p_path, 0, 1) != '/'
- && substr($p_path, 0, 3) != "../" && !strpos($p_path, ':'))) {
- $p_path = "./".$p_path;
- }
- $p_remove_path = $this->_translateWinPath($p_remove_path);
-
- // ----- Look for path to remove format (should end by /)
- if (($p_remove_path != '') && (substr($p_remove_path, -1) != '/'))
- $p_remove_path .= '/';
- $p_remove_path_size = strlen($p_remove_path);
-
- switch ($p_mode) {
- case "complete" :
- $v_extract_all = true;
- $v_listing = false;
- break;
- case "partial" :
- $v_extract_all = false;
- $v_listing = false;
- break;
- case "list" :
- $v_extract_all = false;
- $v_listing = true;
- break;
- default :
- $this->_error('Invalid extract mode ('.$p_mode.')');
- return false;
- }
-
- clearstatcache();
-
- while (strlen($v_binary_data = $this->_readBlock()) != 0)
- {
- $v_extract_file = false;
- $v_extraction_stopped = 0;
-
- if (!$this->_readHeader($v_binary_data, $v_header))
- return false;
-
- if ($v_header['filename'] == '') {
- continue;
- }
-
- // ----- Look for long filename
- if ($v_header['typeflag'] == 'L') {
- if (!$this->_readLongHeader($v_header))
- return false;
- }
-
- if ((!$v_extract_all) && (is_array($p_file_list))) {
- // ----- By default no unzip if the file is not found
- $v_extract_file = false;
-
- for ($i=0; $i<sizeof($p_file_list); $i++) {
- // ----- Look if it is a directory
- if (substr($p_file_list[$i], -1) == '/') {
- // ----- Look if the directory is in the filename path
- if ((strlen($v_header['filename']) > strlen($p_file_list[$i]))
- && (substr($v_header['filename'], 0, strlen($p_file_list[$i]))
- == $p_file_list[$i])) {
- $v_extract_file = true;
- break;
- }
- }
-
- // ----- It is a file, so compare the file names
- elseif ($p_file_list[$i] == $v_header['filename']) {
- $v_extract_file = true;
- break;
- }
- }
- } else {
- $v_extract_file = true;
- }
-
- // ----- Look if this file need to be extracted
- if (($v_extract_file) && (!$v_listing))
- {
- if (($p_remove_path != '')
- && (substr($v_header['filename'].'/', 0, $p_remove_path_size)
- == $p_remove_path)) {
- $v_header['filename'] = substr($v_header['filename'],
- $p_remove_path_size);
- if( $v_header['filename'] == '' ){
- continue;
- }
- }
- if (($p_path != './') && ($p_path != '/')) {
- while (substr($p_path, -1) == '/')
- $p_path = substr($p_path, 0, strlen($p_path)-1);
-
- if (substr($v_header['filename'], 0, 1) == '/')
- $v_header['filename'] = $p_path.$v_header['filename'];
- else
- $v_header['filename'] = $p_path.'/'.$v_header['filename'];
- }
- if (file_exists($v_header['filename'])) {
- if ( (@is_dir($v_header['filename']))
- && ($v_header['typeflag'] == '')) {
- $this->_error('File '.$v_header['filename']
- .' already exists as a directory');
- return false;
- }
- if ( ($this->_isArchive($v_header['filename']))
- && ($v_header['typeflag'] == "5")) {
- $this->_error('Directory '.$v_header['filename']
- .' already exists as a file');
- return false;
- }
- if (!is_writeable($v_header['filename'])) {
- $this->_error('File '.$v_header['filename']
- .' already exists and is write protected');
- return false;
- }
- if (filemtime($v_header['filename']) > $v_header['mtime']) {
- // To be completed : An error or silent no replace ?
- }
- }
-
- // ----- Check the directory availability and create it if necessary
- elseif (($v_result
- = $this->_dirCheck(($v_header['typeflag'] == "5"
- ?$v_header['filename']
- :dirname($v_header['filename'])))) != 1) {
- $this->_error('Unable to create path for '.$v_header['filename']);
- return false;
- }
-
- if ($v_extract_file) {
- if ($v_header['typeflag'] == "5") {
- if (!@file_exists($v_header['filename'])) {
- if (!@mkdir($v_header['filename'], 0777)) {
- $this->_error('Unable to create directory {'
- .$v_header['filename'].'}');
- return false;
- }
- }
- } elseif ($v_header['typeflag'] == "2") {
- if (@file_exists($v_header['filename'])) {
- @unlink($v_header['filename']);
- }
- if (!@symlink($v_header['link'], $v_header['filename'])) {
- $this->_error('Unable to extract symbolic link {'
- .$v_header['filename'].'}');
- return false;
- }
- } else {
- if (($v_dest_file = @fopen($v_header['filename'], "wb")) == 0) {
- $this->_error('Error while opening {'.$v_header['filename']
- .'} in write binary mode');
- return false;
- } else {
- $n = floor($v_header['size']/512);
- for ($i=0; $i<$n; $i++) {
- $v_content = $this->_readBlock();
- fwrite($v_dest_file, $v_content, 512);
- }
- if (($v_header['size'] % 512) != 0) {
- $v_content = $this->_readBlock();
- fwrite($v_dest_file, $v_content, ($v_header['size'] % 512));
- }
-
- @fclose($v_dest_file);
-
- if ($p_preserve) {
- @chown($v_header['filename'], $v_header['uid']);
- @chgrp($v_header['filename'], $v_header['gid']);
- }
-
- // ----- Change the file mode, mtime
- @touch($v_header['filename'], $v_header['mtime']);
- if ($v_header['mode'] & 0111) {
- // make file executable, obey umask
- $mode = fileperms($v_header['filename']) | (~umask() & 0111);
- @chmod($v_header['filename'], $mode);
- }
- }
-
- // ----- Check the file size
- clearstatcache();
- if (!is_file($v_header['filename'])) {
- $this->_error('Extracted file '.$v_header['filename']
- .'does not exist. Archive may be corrupted.');
- return false;
- }
-
- $filesize = filesize($v_header['filename']);
- if ($filesize != $v_header['size']) {
- $this->_error('Extracted file '.$v_header['filename']
- .' does not have the correct file size \''
- .$filesize
- .'\' ('.$v_header['size']
- .' expected). Archive may be corrupted.');
- return false;
- }
- }
- } else {
- $this->_jumpBlock(ceil(($v_header['size']/512)));
- }
- } else {
- $this->_jumpBlock(ceil(($v_header['size']/512)));
- }
-
- /* TBC : Seems to be unused ...
- if ($this->_compress)
- $v_end_of_file = @gzeof($this->_file);
- else
- $v_end_of_file = @feof($this->_file);
- */
-
- if ($v_listing || $v_extract_file || $v_extraction_stopped) {
- // ----- Log extracted files
- if (($v_file_dir = dirname($v_header['filename']))
- == $v_header['filename'])
- $v_file_dir = '';
- if ((substr($v_header['filename'], 0, 1) == '/') && ($v_file_dir == ''))
- $v_file_dir = '/';
-
- $p_list_detail[$v_nb++] = $v_header;
- if (is_array($p_file_list) && (count($p_list_detail) == count($p_file_list))) {
- return true;
- }
- }
- }
-
- return true;
- }
- // }}}
-
- // {{{ _openAppend()
- function _openAppend()
- {
- if (filesize($this->_tarname) == 0)
- return $this->_openWrite();
-
- if ($this->_compress) {
- $this->_close();
-
- if (!@rename($this->_tarname, $this->_tarname.".tmp")) {
- $this->_error('Error while renaming \''.$this->_tarname
- .'\' to temporary file \''.$this->_tarname
- .'.tmp\'');
- return false;
- }
-
- if ($this->_compress_type == 'gz')
- $v_temp_tar = @gzopen($this->_tarname.".tmp", "rb");
- elseif ($this->_compress_type == 'bz2')
- $v_temp_tar = @bzopen($this->_tarname.".tmp", "r");
-
- if ($v_temp_tar == 0) {
- $this->_error('Unable to open file \''.$this->_tarname
- .'.tmp\' in binary read mode');
- @rename($this->_tarname.".tmp", $this->_tarname);
- return false;
- }
-
- if (!$this->_openWrite()) {
- @rename($this->_tarname.".tmp", $this->_tarname);
- return false;
- }
-
- if ($this->_compress_type == 'gz') {
- $end_blocks = 0;
-
- while (!@gzeof($v_temp_tar)) {
- $v_buffer = @gzread($v_temp_tar, 512);
- if ($v_buffer == ARCHIVE_TAR_END_BLOCK || strlen($v_buffer) == 0) {
- $end_blocks++;
- // do not copy end blocks, we will re-make them
- // after appending
- continue;
- } elseif ($end_blocks > 0) {
- for ($i = 0; $i < $end_blocks; $i++) {
- $this->_writeBlock(ARCHIVE_TAR_END_BLOCK);
- }
- $end_blocks = 0;
- }
- $v_binary_data = pack("a512", $v_buffer);
- $this->_writeBlock($v_binary_data);
- }
-
- @gzclose($v_temp_tar);
- }
- elseif ($this->_compress_type == 'bz2') {
- $end_blocks = 0;
-
- while (strlen($v_buffer = @bzread($v_temp_tar, 512)) > 0) {
- if ($v_buffer == ARCHIVE_TAR_END_BLOCK || strlen($v_buffer) == 0) {
- $end_blocks++;
- // do not copy end blocks, we will re-make them
- // after appending
- continue;
- } elseif ($end_blocks > 0) {
- for ($i = 0; $i < $end_blocks; $i++) {
- $this->_writeBlock(ARCHIVE_TAR_END_BLOCK);
- }
- $end_blocks = 0;
- }
- $v_binary_data = pack("a512", $v_buffer);
- $this->_writeBlock($v_binary_data);
- }
-
- @bzclose($v_temp_tar);
- }
-
- if (!@unlink($this->_tarname.".tmp")) {
- $this->_error('Error while deleting temporary file \''
- .$this->_tarname.'.tmp\'');
- }
-
- } else {
- // ----- For not compressed tar, just add files before the last
- // one or two 512 bytes block
- if (!$this->_openReadWrite())
- return false;
-
- clearstatcache();
- $v_size = filesize($this->_tarname);
-
- // We might have zero, one or two end blocks.
- // The standard is two, but we should try to handle
- // other cases.
- fseek($this->_file, $v_size - 1024);
- if (fread($this->_file, 512) == ARCHIVE_TAR_END_BLOCK) {
- fseek($this->_file, $v_size - 1024);
- }
- elseif (fread($this->_file, 512) == ARCHIVE_TAR_END_BLOCK) {
- fseek($this->_file, $v_size - 512);
- }
- }
-
- return true;
- }
- // }}}
-
- // {{{ _append()
- function _append($p_filelist, $p_add_dir='', $p_remove_dir='')
- {
- if (!$this->_openAppend())
- return false;
-
- if ($this->_addList($p_filelist, $p_add_dir, $p_remove_dir))
- $this->_writeFooter();
-
- $this->_close();
-
- return true;
- }
- // }}}
-
- // {{{ _dirCheck()
-
- /**
- * Check if a directory exists and create it (including parent
- * dirs) if not.
- *
- * @param string $p_dir directory to check
- *
- * @return bool true if the directory exists or was created
- */
- function _dirCheck($p_dir)
- {
- clearstatcache();
- if ((@is_dir($p_dir)) || ($p_dir == ''))
- return true;
-
- $p_parent_dir = dirname($p_dir);
-
- if (($p_parent_dir != $p_dir) &&
- ($p_parent_dir != '') &&
- (!$this->_dirCheck($p_parent_dir)))
- return false;
-
- if (!@mkdir($p_dir, 0777)) {
- $this->_error("Unable to create directory '$p_dir'");
- return false;
- }
-
- return true;
- }
-
- // }}}
-
- // {{{ _pathReduction()
-
- /**
- * Compress path by changing for example "/dir/foo/../bar" to "/dir/bar",
- * rand emove double slashes.
- *
- * @param string $p_dir path to reduce
- *
- * @return string reduced path
- *
- * @access private
- *
- */
- function _pathReduction($p_dir)
- {
- $v_result = '';
-
- // ----- Look for not empty path
- if ($p_dir != '') {
- // ----- Explode path by directory names
- $v_list = explode('/', $p_dir);
-
- // ----- Study directories from last to first
- for ($i=sizeof($v_list)-1; $i>=0; $i--) {
- // ----- Look for current path
- if ($v_list[$i] == ".") {
- // ----- Ignore this directory
- // Should be the first $i=0, but no check is done
- }
- else if ($v_list[$i] == "..") {
- // ----- Ignore it and ignore the $i-1
- $i--;
- }
- else if ( ($v_list[$i] == '')
- && ($i!=(sizeof($v_list)-1))
- && ($i!=0)) {
- // ----- Ignore only the double '//' in path,
- // but not the first and last /
- } else {
- $v_result = $v_list[$i].($i!=(sizeof($v_list)-1)?'/'
- .$v_result:'');
- }
- }
- }
-
- if (defined('OS_WINDOWS') && OS_WINDOWS) {
- $v_result = strtr($v_result, '\\', '/');
- }
-
- return $v_result;
- }
-
- // }}}
-
- // {{{ _translateWinPath()
- function _translateWinPath($p_path, $p_remove_disk_letter=true)
- {
- if (defined('OS_WINDOWS') && OS_WINDOWS) {
- // ----- Look for potential disk letter
- if ( ($p_remove_disk_letter)
- && (($v_position = strpos($p_path, ':')) != false)) {
- $p_path = substr($p_path, $v_position+1);
- }
- // ----- Change potential windows directory separator
- if ((strpos($p_path, '\\') > 0) || (substr($p_path, 0,1) == '\\')) {
- $p_path = strtr($p_path, '\\', '/');
- }
- }
- return $p_path;
- }
- // }}}
-
-}
-?>