Source for file Tar.php
Documentation is available at Tar.php
/* vim: set ts=4 sw=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@blavet.net> |
// +----------------------------------------------------------------------+
// $Id: Tar.php,v 1.2 2005/07/22 03:24:02 eddieajau Exp $
/** ensure this file is being included by a parent file */
defined( '_VALID_MOS' ) or die( 'Direct Access to this location is not allowed.' );
require_once $GLOBALS['mosConfig_absolute_path'] .
'/includes/PEAR/PEAR.php';
define ('ARCHIVE_TAR_ATT_SEPARATOR', 90001);
* Creates a (compressed) Tar archive
* @author Vincent Blavet <vincent@blavet.net>
* @version $Revision: 1.2 $
* @var string Name of the Tar
* @var boolean if true, the Tar file will be gzipped
* @var string Type of compression : 'none', 'gz' or 'bz2'
* @var string Explode separator
* @var string Local Tar name of a remote Tar (http:// or ftp://)
* Archive_Tar Class constructor. This flavour of the constructor only
* declare a new Archive_Tar object, identifying it by the name of the
* 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 $p_compress can be null, 'gz' or 'bz2'. This
* parameter indicates if gzip or bz2 compression
* is required. For compatibility reason the
* boolean value 'true' means 'gz'.
if ($p_compress ===
null) {
if ($fp =
@fopen($p_tarname, "rb")) {
// look for gzip magic cookie
if ($data ==
"\37\213") {
// No sure it's enought for a magic code ....
} elseif ($data ==
"BZ") {
// probably a remote file or some file accessible
// through a stream interface
if (substr($p_tarname, -
2) ==
'gz') {
} elseif ((substr($p_tarname, -
3) ==
'bz2') ||
(substr($p_tarname, -
2) ==
'bz')) {
if (($p_compress ===
true) ||
($p_compress ==
'gz')) {
} else if ($p_compress ==
'bz2') {
if ($this->_compress) { // assert zlib or bz2 extension support
die("The extension '$extname' couldn't be found.\n".
"Please make sure your version of PHP was built ".
"with '$extname' support.\n");
// ----- Look for a local copy to delete
* 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
* 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
* 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.
* 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 $p_filelist An array of filenames and directory names, or a single
* string with names separated by a single blank space.
* @return true on success, false on error.
function add($p_filelist)
return $this->addModify($p_filelist, '', '');
$v_list_detail =
array();
if (!$this->_extractList('', $v_list_detail, "list", '', '')) {
* 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
* 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
* 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 $p_remove_dir A string which contains a path to be removed from
* the memorized path of each element in the list, when
* @return boolean true on success, false on error.
function createModify($p_filelist, $p_add_dir, $p_remove_dir=
'')
$this->_error('Invalid file list');
$v_result =
$this->_addList($v_list, $p_add_dir, $p_remove_dir);
* 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
* 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
* 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
* 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
* 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 $p_remove_dir A string which contains a path to be removed from
* the memorized path of each element in the list, when
* @return true on success, false on error.
function addModify($p_filelist, $p_add_dir, $p_remove_dir=
'')
$v_result =
$this->createModify($p_filelist, $p_add_dir, $p_remove_dir);
$this->_error('Invalid file list');
$v_result =
$this->_append($v_list, $p_add_dir, $p_remove_dir);
* This method add a single string as a file at the
* end of the existing archive. If the archive does not yet exists it
* @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.
// Need to check the get back to the temporary file ? ....
$v_result =
$this->_addString($p_filename, $p_string);
* 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
* 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
* @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.
$v_list_detail =
array();
$v_result =
$this->_extractList($p_path, $v_list_detail, "complete", 0, $p_remove_path);
* 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.
$v_result =
$this->_extractInString($p_filename);
* 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
* @param string $p_remove_path Part of the memorized path that can be removed if
* present at the beginning of the file/dir path.
* @return true on success, false on error.
function extractList($p_filelist, $p_path=
'', $p_remove_path=
'')
$v_list_detail =
array();
$this->_error('Invalid string list');
$v_result =
$this->_extractList($p_path, $v_list_detail, "partial", $v_list, $p_remove_path);
* 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 $argv variable list of attributes and values
* @return true on success, false on error.
// ----- Get the number of variable list of arguments
// ----- Get the arguments
// ----- Read the attributes
// ----- Look for next option
switch ($v_att_list[$i]) {
// ----- Look for options that request a string value
// ----- Check the number of parameters
$this->_error('Invalid number of parameters for attribute ARCHIVE_TAR_ATT_SEPARATOR');
$this->_error('Unknow attribute code '.
$v_att_list[$i].
'');
$this->_error('Unable to open in write mode \''.
$this->_tarname.
'\'');
// ----- Look if a local copy need to be done
while ($v_data =
@fread($v_file_from, 1024))
// ----- File to open if the local copy
// ----- File to open if the normal Tar file
$this->_file =
@bzopen($v_filename, "rb");
$this->_error('Unable to open in read mode \''.
$v_filename.
'\'');
$this->_error('Unable to open in read/write mode \''.
$this->_tarname.
'\'');
//if (isset($this->_file)) {
// ----- Look if a local copy need to be erase
// Note that it might be interesting to keep the url for a time : ToDo
// ----- Look for a local copy
// ----- Remove the local copy but not the remote tarname
// ----- Remove the local tarname file
@bzwrite($this->_file, $p_binary_data);
@bzwrite($this->_file, $p_binary_data, $p_len);
$v_block =
@bzread($this->_file, 512);
// ----- Replace missing bztell() and bzseek()
for ($i=
0; $i<
$p_len; $i++
)
// ----- Write the last 0 filled block for end of archive
$v_binary_data =
pack("a512", '');
function _addList($p_list, $p_add_dir, $p_remove_dir)
// ----- Remove potential windows directory separator
$this->_error('Invalid file descriptor');
for ($j=
0; ($j<
count($p_list)) &&
($v_result); $j++
) {
$v_filename =
$p_list[$j];
// ----- Skip the current tar name
$this->_warning("File '$v_filename' does not exist");
// ----- Add the file or directory header
if (!$this->_addFile($v_filename, $v_header, $p_add_dir, $p_remove_dir))
if (!($p_hdir =
opendir($v_filename))) {
$this->_warning("Directory '$v_filename' can not be read");
$p_hitem =
readdir($p_hdir); // '.' directory
$p_hitem =
readdir($p_hdir); // '..' directory
while (false !==
($p_hitem =
readdir($p_hdir))) {
$p_temp_list[0] =
$v_filename.
'/'.
$p_hitem;
$p_temp_list[0] =
$p_hitem;
$v_result =
$this->_addList($p_temp_list, $p_add_dir, $p_remove_dir);
function _addFile($p_filename, &$p_header, $p_add_dir, $p_remove_dir)
$this->_error('Invalid file descriptor');
$this->_error('Invalid file name');
// ----- Calculate the stored filename
$v_stored_filename =
$p_filename;
if (strcmp($p_filename, $p_remove_dir) ==
0) {
if ($p_remove_dir !=
'') {
if (substr($p_remove_dir, -
1) !=
'/')
if (substr($p_filename, 0, strlen($p_remove_dir)) ==
$p_remove_dir)
$v_stored_filename =
substr($p_filename, strlen($p_remove_dir));
if (substr($p_add_dir, -
1) ==
'/')
$v_stored_filename =
$p_add_dir.
$v_stored_filename;
$v_stored_filename =
$p_add_dir.
'/'.
$v_stored_filename;
$v_stored_filename =
$this->_pathReduction($v_stored_filename);
if (($v_file =
@fopen($p_filename, "rb")) ==
0) {
$this->_warning("Unable to open file '$p_filename' in binary read mode");
while (($v_buffer =
fread($v_file, 512)) !=
'') {
$v_binary_data =
pack("a512", "$v_buffer");
// ----- Only header for dir
$this->_error('Invalid file descriptor');
$this->_error('Invalid file name');
// ----- Calculate the stored filename
while (($v_buffer =
substr($p_string, (($i++
)*
512), 512)) !=
'') {
$v_binary_data =
pack("a512", $v_buffer);
if ($p_stored_filename ==
'')
$p_stored_filename =
$p_filename;
$v_reduce_filename =
$this->_pathReduction($p_stored_filename);
if (strlen($v_reduce_filename) >
99) {
$v_info =
stat($p_filename);
$v_uid =
sprintf("%6s ", DecOct($v_info[4]));
$v_gid =
sprintf("%6s ", DecOct($v_info[5]));
$v_size =
sprintf("%11s ", DecOct(0));
$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
// ..... First part of the header
$v_checksum +=
ord(substr($v_binary_data_first,$i,1));
// ..... Ignore the checksum value and replace it by ' ' (space)
for ($i=
148; $i<
156; $i++
)
// ..... Last part of the header
for ($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
// ----- Write the calculated checksum
$v_checksum =
sprintf("%6s ", DecOct($v_checksum));
$v_binary_data =
pack("a8", $v_checksum);
// ----- Write the last 356 bytes of the header in the archive
// {{{ _writeHeaderBlock()
function _writeHeaderBlock($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) {
$v_size =
sprintf("%11s ", DecOct(0));
$v_size =
sprintf("%11s ", DecOct($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_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
// ..... First part of the header
$v_checksum +=
ord(substr($v_binary_data_first,$i,1));
// ..... Ignore the checksum value and replace it by ' ' (space)
for ($i=
148; $i<
156; $i++
)
// ..... Last part of the header
for ($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
// ----- Write the calculated checksum
$v_checksum =
sprintf("%6s ", DecOct($v_checksum));
$v_binary_data =
pack("a8", $v_checksum);
// ----- Write the last 356 bytes of the header in the archive
// {{{ _writeLongHeader()
$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
// ..... First part of the header
$v_checksum +=
ord(substr($v_binary_data_first,$i,1));
// ..... Ignore the checksum value and replace it by ' ' (space)
for ($i=
148; $i<
156; $i++
)
// ..... Last part of the header
for ($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
// ----- Write the calculated checksum
$v_checksum =
sprintf("%6s ", DecOct($v_checksum));
$v_binary_data =
pack("a8", $v_checksum);
// ----- Write the last 356 bytes of the header in the archive
// ----- Write the filename as content of the block
while (($v_buffer =
substr($p_filename, (($i++
)*
512), 512)) !=
'') {
$v_binary_data =
pack("a512", "$v_buffer");
if (strlen($v_binary_data)==
0) {
$v_header['filename'] =
'';
if (strlen($v_binary_data) !=
512) {
$v_header['filename'] =
'';
$this->_error('Invalid block size : '.
strlen($v_binary_data));
// ----- Calculate the checksum
// ..... First part of the header
$v_checksum+=
ord(substr($v_binary_data,$i,1));
// ..... Ignore the checksum value and replace it by ' ' (space)
for ($i=
148; $i<
156; $i++
)
// ..... Last part of the header
for ($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))
$this->_error('Invalid checksum for file "'.
$v_data['filename'].
'" : '.
$v_checksum.
' calculated, '.
$v_header['checksum'].
' expected');
// ----- 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") {
/* ----- 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]);
$n =
floor($v_header['size']/
512);
for ($i=
0; $i<
$n; $i++
) {
$v_filename .=
$v_content;
if (($v_header['size'] %
512) !=
0) {
$v_filename .=
$v_content;
// ----- Read the next header
$v_header['filename'] =
$v_filename;
// {{{ _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 $p_filename The path of the file to extract in a string.
* @return a string with the file content or NULL.
function _extractInString($p_filename)
if ($v_header['filename'] ==
'')
// ----- Look for long filename
if ($v_header['typeflag'] ==
'L') {
if ($v_header['filename'] ==
$p_filename) {
if ($v_header['typeflag'] ==
"5") {
$this->_error('Unable to extract in string a directory entry {'.
$v_header['filename'].
'}');
$n =
floor($v_header['size']/
512);
for ($i=
0; $i<
$n; $i++
) {
if (($v_header['size'] %
512) !=
0) {
$v_result_str .=
substr($v_content, 0, ($v_header['size'] %
512));
function _extractList($p_path, &$p_list_detail, $p_mode, $p_file_list, $p_remove_path)
if ($p_path ==
'' ||
(substr($p_path, 0, 1) !=
'/' &&
substr($p_path, 0, 3) !=
"../" &&
!strpos($p_path, ':'))) {
// ----- Look for path to remove format (should end by /)
if (($p_remove_path !=
'') &&
(substr($p_remove_path, -
1) !=
'/'))
$p_remove_path_size =
strlen($p_remove_path);
$this->_error('Invalid extract mode ('.
$p_mode.
')');
$v_extraction_stopped =
0;
if ($v_header['filename'] ==
'')
// ----- Look for long filename
if ($v_header['typeflag'] ==
'L') {
if ((!$v_extract_all) &&
(is_array($p_file_list))) {
// ----- By default no unzip if the file is not found
for ($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])) {
// ----- It is a file, so compare the file names
elseif ($p_file_list[$i] ==
$v_header['filename']) {
// ----- Look if this file need to be extracted
if (($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) ==
'/')
if (substr($v_header['filename'], 0, 1) ==
'/')
$v_header['filename'] =
$p_path.
$v_header['filename'];
$v_header['filename'] =
$p_path.
'/'.
$v_header['filename'];
if ((@is_dir($v_header['filename'])) &&
($v_header['typeflag'] ==
'')) {
$this->_error('File '.
$v_header['filename'].
' already exists as a directory');
if ((is_file($v_header['filename'])) &&
($v_header['typeflag'] ==
"5")) {
$this->_error('Directory '.
$v_header['filename'].
' already exists as a file');
$this->_error('File '.
$v_header['filename'].
' already exists and is write protected');
if (filemtime($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 '.
$v_header['filename']);
if ($v_header['typeflag'] ==
"5") {
if (!@mkdir($v_header['filename'], 0777)) {
$this->_error('Unable to create directory {'.
$v_header['filename'].
'}');
if (($v_dest_file =
@fopen($v_header['filename'], "wb")) ==
0) {
$this->_error('Error while opening {'.
$v_header['filename'].
'} in write binary mode');
$n =
floor($v_header['size']/
512);
for ($i=
0; $i<
$n; $i++
) {
fwrite($v_dest_file, $v_content, 512);
if (($v_header['size'] %
512) !=
0) {
fwrite($v_dest_file, $v_content, ($v_header['size'] %
512));
// ----- Change the file mode, mtime
@touch($v_header['filename'], $v_header['mtime']);
//chmod($v_header[filename], DecOct($v_header[mode]));
// ----- Check the file size
if (filesize($v_header['filename']) !=
$v_header['size']) {
$this->_error('Extracted file '.
$v_header['filename'].
' does not have the correct file size \''.
filesize($v_filename).
'\' ('.
$v_header['size'].
' expected). Archive may be corrupted.');
/* TBC : Seems to be unused ...
$v_end_of_file = @gzeof($this->_file);
$v_end_of_file = @feof($this->_file);
if ($v_listing ||
$v_extract_file ||
$v_extraction_stopped) {
// ----- Log extracted files
if (($v_file_dir =
dirname($v_header['filename'])) ==
$v_header['filename'])
if ((substr($v_header['filename'], 0, 1) ==
'/') &&
($v_file_dir ==
''))
$p_list_detail[$v_nb++
] =
$v_header;
$v_temp_tar =
@bzopen($this->_tarname.
".tmp", "rb");
$this->_error('Unable to open file \''.
$this->_tarname.
'.tmp\' in binary read mode');
$v_buffer =
@gzread($v_temp_tar, 512);
// ----- Read the following blocks but not the last one
if (!@gzeof($v_temp_tar)) {
$v_binary_data =
pack("a512", $v_buffer);
$v_buffer =
@gzread($v_temp_tar, 512);
} while (!@gzeof($v_temp_tar));
$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) {
$this->_error('Error while deleting temporary file \''.
$this->_tarname.
'.tmp\'');
// ----- For not compressed tar, just add files before the last 512 bytes block
function _append($p_filelist, $p_add_dir=
'', $p_remove_dir=
'')
if ($this->_addList($p_filelist, $p_add_dir, $p_remove_dir))
* Check if a directory exists and create it (including parent
* @param string $p_dir directory to check
* @return bool TRUE if the directory exists or was created
if ((@is_dir($p_dir)) ||
($p_dir ==
''))
if (($p_parent_dir !=
$p_dir) &&
if (!@mkdir($p_dir, 0777)) {
$this->_error("Unable to create directory '$p_dir'");
* Compress path by changing for example "/dir/foo/../bar" to "/dir/bar", and
* @param string $p_dir path to reduce
* @return string reduced path
function _pathReduction($p_dir)
// ----- Look for not empty path
// ----- Explode path by directory names
// ----- 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 $i-1
else if (($v_list[$i] ==
'') &&
($i!=
(sizeof($v_list)-
1)) &&
($i!=
0)) {
// ----- Ignore only the double '//' in path,
// but not the first and last /
$v_result =
$v_list[$i].
($i!=
(sizeof($v_list)-
1)?
'/'.
$v_result:
'');
$v_result =
strtr($v_result, '\\', '/');
// {{{ _translateWinPath()
// ----- 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, '\\', '/');
Documentation generated on Mon, 05 May 2008 16:23:01 +0400 by phpDocumentor 1.4.0