From 6845c00a3f752abecd9ef763848329bceaf63df4 Mon Sep 17 00:00:00 2001 From: xue <> Date: Fri, 31 Mar 2006 12:42:22 +0000 Subject: Reorganized folders under framework. This may break existing applications. --- framework/Data/TTarFileExtractor.php | 574 ----------------------------------- 1 file changed, 574 deletions(-) delete mode 100644 framework/Data/TTarFileExtractor.php (limited to 'framework/Data/TTarFileExtractor.php') 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 @@ - - * @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 | -// +----------------------------------------------------------------------+ -// -// $Id: Tar.php,v 1.29 2005/03/17 21:02:31 vblavet Exp $ - -/** - * TTarFileExtractor class - * - * @author Vincent Blavet - * @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; $i strlen($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; - } -} -?> -- cgit v1.2.3