1762 lines
58 KiB
PHP
Executable file
1762 lines
58 KiB
PHP
Executable file
<?php
|
|
/* vim: set ts=4 sw=4: */
|
|
// +----------------------------------------------------------------------+
|
|
// | PHP Version 4 |
|
|
// +----------------------------------------------------------------------+
|
|
// | Copyright (c) 1997-2003 The PHP Group |
|
|
// +----------------------------------------------------------------------+
|
|
// | This source file is subject to version 3.0 of the PHP license, |
|
|
// | that is bundled with this package in the file LICENSE, and is |
|
|
// | available through the world-wide-web at the following url: |
|
|
// | http://www.php.net/license/3_0.txt. |
|
|
// | If you did not receive a copy of the PHP license and are unable to |
|
|
// | obtain it through the world-wide-web, please send a note to |
|
|
// | license@php.net so we can mail you a copy immediately. |
|
|
// +----------------------------------------------------------------------+
|
|
// | Author: Vincent Blavet <vincent@phpconcept.net> |
|
|
// +----------------------------------------------------------------------+
|
|
//
|
|
// $Id: Tar.php,v 1.29 2005/03/17 21:02:31 vblavet Exp $
|
|
|
|
require_once 'PEAR.php';
|
|
|
|
|
|
define ('ARCHIVE_TAR_ATT_SEPARATOR', 90001);
|
|
|
|
/**
|
|
* Creates a (compressed) Tar archive
|
|
*
|
|
* @author Vincent Blavet <vincent@phpconcept.net>
|
|
* @version $Revision: 1.29 $
|
|
* @package Archive
|
|
*/
|
|
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='';
|
|
|
|
// {{{ 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;
|
|
$this->_compress_type = 'bz2';
|
|
} else {
|
|
die("Unsupported compression type '$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)) {
|
|
die("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='')
|
|
{
|
|
return $this->extractModify($p_path, '');
|
|
}
|
|
// }}}
|
|
|
|
// {{{ 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 $p_string The content of the file added in
|
|
* the archive.
|
|
* @return true on success, false on error.
|
|
* @access public
|
|
*/
|
|
function addString($p_filename, $p_string)
|
|
{
|
|
$v_result = true;
|
|
|
|
if (!$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);
|
|
|
|
$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 $p_remove_path Part of the memorized path that can be
|
|
* removed if present at the beginning of
|
|
* the file/dir path.
|
|
* @return boolean true on success, false on error.
|
|
* @access public
|
|
* @see extractList()
|
|
*/
|
|
function extractModify($p_path, $p_remove_path)
|
|
{
|
|
$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);
|
|
$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 $p_remove_path Part of the memorized path that can be
|
|
* removed if present at the beginning of
|
|
* the file/dir path.
|
|
* @return true on success, false on error.
|
|
* @access public
|
|
* @see extractModify()
|
|
*/
|
|
function extractList($p_filelist, $p_path='', $p_remove_path='')
|
|
{
|
|
$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);
|
|
$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 $v_result;
|
|
}
|
|
// }}}
|
|
|
|
// {{{ _error()
|
|
function _error($p_message)
|
|
{
|
|
// ----- To be completed
|
|
$this->raiseError($p_message);
|
|
}
|
|
// }}}
|
|
|
|
// {{{ _warning()
|
|
function _warning($p_message)
|
|
{
|
|
// ----- To be completed
|
|
$this->raiseError($p_message);
|
|
}
|
|
// }}}
|
|
|
|
// {{{ _isArchive()
|
|
function _isArchive($p_filename=NULL)
|
|
{
|
|
if ($p_filename == NULL) {
|
|
$p_filename = $this->_tarname;
|
|
}
|
|
clearstatcache();
|
|
return @is_file($p_filename);
|
|
}
|
|
// }}}
|
|
|
|
// {{{ _openWrite()
|
|
function _openWrite()
|
|
{
|
|
if ($this->_compress_type == 'gz')
|
|
$this->_file = @gzopen($this->_tarname, "wb9");
|
|
else if ($this->_compress_type == 'bz2')
|
|
$this->_file = @bzopen($this->_tarname, "wb");
|
|
else if ($this->_compress_type == 'none')
|
|
$this->_file = @fopen($this->_tarname, "wb");
|
|
else
|
|
$this->_error('Unknown or missing compression type ('
|
|
.$this->_compress_type.')');
|
|
|
|
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')
|
|
$this->_file = @gzopen($v_filename, "rb");
|
|
else if ($this->_compress_type == 'bz2')
|
|
$this->_file = @bzopen($v_filename, "rb");
|
|
else if ($this->_compress_type == 'none')
|
|
$this->_file = @fopen($v_filename, "rb");
|
|
else
|
|
$this->_error('Unknown or missing compression type ('
|
|
.$this->_compress_type.')');
|
|
|
|
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')
|
|
$this->_file = @bzopen($this->_tarname, "r+b");
|
|
else if ($this->_compress_type == 'none')
|
|
$this->_file = @fopen($this->_tarname, "r+b");
|
|
else
|
|
$this->_error('Unknown or missing compression type ('
|
|
.$this->_compress_type.')');
|
|
|
|
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($this->_file, @ftell($this->_file)+($p_len*512));
|
|
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("a512", '');
|
|
$this->_writeBlock($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;
|
|
|
|
if (!file_exists($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)) {
|
|
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, $p_string)
|
|
{
|
|
if (!$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 (!$this->_writeHeaderBlock($p_filename, strlen($p_string),
|
|
0, 0, "", 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;
|
|
}
|
|
|
|
$v_info = stat($p_filename);
|
|
$v_uid = sprintf("%6s ", DecOct($v_info[4]));
|
|
$v_gid = sprintf("%6s ", DecOct($v_info[5]));
|
|
$v_perms = sprintf("%6s ", DecOct(fileperms($p_filename)));
|
|
|
|
$v_mtime = sprintf("%11s", DecOct(filemtime($p_filename)));
|
|
|
|
if (@is_dir($p_filename)) {
|
|
$v_typeflag = "5";
|
|
$v_size = sprintf("%11s ", DecOct(0));
|
|
} else {
|
|
$v_typeflag = '';
|
|
clearstatcache();
|
|
$v_size = sprintf("%11s ", DecOct(filesize($p_filename)));
|
|
}
|
|
|
|
$v_linkname = '';
|
|
|
|
$v_magic = '';
|
|
|
|
$v_version = '';
|
|
|
|
$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
|
|
$v_checksum = sprintf("%6s ", DecOct($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("%11s ", DecOct(0));
|
|
} else {
|
|
$v_size = sprintf("%11s ", DecOct($p_size));
|
|
}
|
|
|
|
$v_uid = sprintf("%6s ", DecOct($p_uid));
|
|
$v_gid = sprintf("%6s ", DecOct($p_gid));
|
|
$v_perms = sprintf("%6s ", DecOct($p_perms));
|
|
|
|
$v_mtime = sprintf("%11s", DecOct($p_mtime));
|
|
|
|
$v_linkname = '';
|
|
|
|
$v_magic = '';
|
|
|
|
$v_version = '';
|
|
|
|
$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
|
|
$v_checksum = sprintf("%6s ", DecOct($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
|
|
$v_checksum = sprintf("%6s ", DecOct($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;
|
|
}
|
|
|
|
// ----- 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));
|
|
|
|
$v_data = unpack("a100filename/a8mode/a8uid/a8gid/a12size/a12mtime/"
|
|
."a8checksum/a1typeflag/a100link/a6magic/a2version/"
|
|
."a32uname/a32gname/a8devmajor/a8devminor",
|
|
$v_binary_data);
|
|
|
|
// ----- 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
|
|
$v_header['filename'] = trim($v_data['filename']);
|
|
$v_header['mode'] = OctDec(trim($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;
|
|
}
|
|
/* ----- All these fields are removed form the header because
|
|
they do not carry interesting info
|
|
$v_header[link] = trim($v_data[link]);
|
|
$v_header[magic] = trim($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;
|
|
}
|
|
// }}}
|
|
|
|
// {{{ _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 .= $v_content;
|
|
}
|
|
|
|
// ----- Read the next header
|
|
$v_binary_data = $this->_readBlock();
|
|
|
|
if (!$this->_readHeader($v_binary_data, $v_header))
|
|
return false;
|
|
|
|
$v_header['filename'] = $v_filename;
|
|
|
|
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)
|
|
{
|
|
$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'],
|
|
$p_remove_path_size);
|
|
if (($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;
|
|
}
|
|
}
|
|
} 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($v_dest_file);
|
|
|
|
// ----- Change the file mode, mtime
|
|
@touch($v_header['filename'], $v_header['mtime']);
|
|
// To be completed
|
|
//chmod($v_header[filename], DecOct($v_header[mode]));
|
|
}
|
|
|
|
// ----- Check the file size
|
|
clearstatcache();
|
|
if (filesize($v_header['filename']) != $v_header['size']) {
|
|
$this->_error('Extracted file '.$v_header['filename']
|
|
.' does not have the correct file size \''
|
|
.filesize($v_header['filename'])
|
|
.'\' ('.$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++] = $v_header;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
// }}}
|
|
|
|
// {{{ _openAppend()
|
|
function _openAppend()
|
|
{
|
|
if (filesize($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", "rb");
|
|
|
|
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') {
|
|
$v_buffer = @gzread($v_temp_tar, 512);
|
|
|
|
// ----- Read the following blocks but not the last one
|
|
if (!@gzeof($v_temp_tar)) {
|
|
do{
|
|
$v_binary_data = pack("a512", $v_buffer);
|
|
$this->_writeBlock($v_binary_data);
|
|
$v_buffer = @gzread($v_temp_tar, 512);
|
|
|
|
} while (!@gzeof($v_temp_tar));
|
|
}
|
|
|
|
@gzclose($v_temp_tar);
|
|
}
|
|
elseif ($this->_compress_type == 'bz2') {
|
|
$v_buffered_lines = array();
|
|
$v_buffered_lines[] = @bzread($v_temp_tar, 512);
|
|
|
|
// ----- Read the following blocks but not the last one
|
|
while (strlen($v_buffered_lines[]
|
|
= @bzread($v_temp_tar, 512)) > 0) {
|
|
$v_binary_data = pack("a512",
|
|
array_shift($v_buffered_lines));
|
|
$this->_writeBlock($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
|
|
// 512 bytes block
|
|
if (!$this->_openReadWrite())
|
|
return false;
|
|
|
|
clearstatcache();
|
|
$v_size = filesize($this->_tarname);
|
|
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)
|
|
{
|
|
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:'');
|
|
}
|
|
}
|
|
}
|
|
$v_result = strtr($v_result, '\\', '/');
|
|
return $v_result;
|
|
}
|
|
|
|
// }}}
|
|
|
|
// {{{ _translateWinPath()
|
|
function _translateWinPath($p_path, $p_remove_disk_letter=true)
|
|
{
|
|
if (OS_WINDOWS) {
|
|
// ----- Look for potential disk letter
|
|
if ( ($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;
|
|
}
|
|
// }}}
|
|
|
|
}
|
|
?>
|