diff options
Diffstat (limited to 'framework/Data/TTarFileExtractor.php')
| -rw-r--r-- | framework/Data/TTarFileExtractor.php | 574 |
1 files changed, 0 insertions, 574 deletions
diff --git a/framework/Data/TTarFileExtractor.php b/framework/Data/TTarFileExtractor.php deleted file mode 100644 index 12749d16..00000000 --- a/framework/Data/TTarFileExtractor.php +++ /dev/null @@ -1,574 +0,0 @@ -<?php
-/**
- * TTarFileExtractor class file
- *
- * @author Vincent Blavet <vincent@phpconcept.net>
- * @link http://www.pradosoft.com/
- * @copyright Copyright © 2005 PradoSoft
- * @license http://www.pradosoft.com/license/
- * @version $Revision: $ $Date: $
- * @package System.Data
- */
-
-/* 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 $
-
-/**
- * TTarFileExtractor class
- *
- * @author Vincent Blavet <vincent@phpconcept.net>
- * @version $Revision: $ $Date: $
- * @package System.Data
- * @since 3.0
- */
-class TTarFileExtractor
-{
- /**
- * @var string Name of the Tar
- */
- private $_tarname='';
-
- /**
- * @var file descriptor
- */
- private $_file=0;
-
- /**
- * @var string Local Tar name of a remote Tar (http:// or ftp://)
- */
- private $_temp_tarname='';
-
- /**
- * 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.
- *
- * @param string $p_tarname The name of the tar archive to create
- * @access public
- */
- public function __construct($p_tarname)
- {
- $this->_tarname = $p_tarname;
- }
-
- public function __destruct()
- {
- $this->_close();
- // ----- Look for a local copy to delete
- if ($this->_temp_tarname != '')
- @unlink($this->_temp_tarname);
- }
-
- public function extract($p_path='')
- {
- return $this->extractModify($p_path, '');
- }
-
- /**
- * 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 $p_remove_path Part of the memorized path that can be
- * removed if present at the beginning of
- * the file/dir path.
- * @return boolean true on success, false on error.
- * @access public
- */
- protected function extractModify($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 $v_result;
- }
-
- protected function _error($p_message)
- {
- throw new Exception($p_message);
- }
-
- private function _isArchive($p_filename=null)
- {
- if ($p_filename == null) {
- $p_filename = $this->_tarname;
- }
- clearstatcache();
- return @is_file($p_filename);
- }
-
- private 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;
-
- $this->_file = @fopen($v_filename, "rb");
-
- if ($this->_file == 0) {
- $this->_error('Unable to open in read mode \''.$v_filename.'\'');
- return false;
- }
-
- return true;
- }
-
- private function _close()
- {
- //if (isset($this->_file)) {
- if (is_resource($this->_file))
- {
- @fclose($this->_file);
- $this->_file = 0;
- }
-
- // ----- Look if a local copy need to be erase
- // Note that it might be interesting to keep the url for a time : ToDo
- if ($this->_temp_tarname != '') {
- @unlink($this->_temp_tarname);
- $this->_temp_tarname = '';
- }
-
- return true;
- }
-
- private 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;
- }
-
- private function _readBlock()
- {
- $v_block = null;
- if (is_resource($this->_file)) {
- $v_block = @fread($this->_file, 512);
- }
- return $v_block;
- }
-
- private function _jumpBlock($p_len=null)
- {
- if (is_resource($this->_file)) {
- if ($p_len === null)
- $p_len = 1;
-
- @fseek($this->_file, @ftell($this->_file)+($p_len*512));
- }
- return true;
- }
-
- private 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") {
- $v_header['size'] = 0;
- }
- return true;
- }
-
- private function _readLongHeader(&$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'] = $v_filename;
-
- return true;
- }
-
- protected function _extractList($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;
- }
-
- /**
- * Check if a directory exists and create it (including parent
- * dirs) if not.
- *
- * @param string $p_dir directory to check
- *
- * @return bool true if the directory exists or was created
- */
- protected function _dirCheck($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;
- }
-
- protected function _translateWinPath($p_path, $p_remove_disk_letter=true)
- {
- if (substr(PHP_OS, 0, 3) == 'WIN') {
- // ----- Look for potential disk letter
- if ( ($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;
- }
-}
-?>
|