PHP实例开发源码—HYBBS 高负载轻论坛.zip

<?php namespace Lib; // -------------------------------------------------------------------------------- // PhpConcept Library - Zip Module 2.8.2 // -------------------------------------------------------------------------------- // License GNU/LGPL - Vincent Blavet - August 2009 // http://www.phpconcept.net // -------------------------------------------------------------------------------- // // Presentation : // PclZip is a PHP library that manage ZIP archives. // So far tests show that archives generated by PclZip are readable by // WinZip application and other tools. // // Description : // See readme.txt and http://www.phpconcept.net // // Warning : // This library and the associated files are non commercial, non professional // work. // It should not have unexpected results. However if any damage is caused by // this software the author can not be responsible. // The use of this software is at the risk of the user. // // -------------------------------------------------------------------------------- // $Id: pclzip.lib.php,v 1.60 2009/09/30 21:01:04 vblavet Exp $ // -------------------------------------------------------------------------------- // 文档地址 http://www.phpconcept.net/pclzip/user-guide/21 // ----- Constants if (!defined('PCLZIP_READ_BLOCK_SIZE')) { define('PCLZIP_READ_BLOCK_SIZE', 2048); } // ----- File list separator // In version 1.x of PclZip, the separator for file list is a space // (which is not a very smart choice, specifically for windows paths !). // A better separator should be a comma (,). This constant gives you the // abilty to change that. // However notice that changing this value, may have impact on existing // scripts, using space separated filenames. // Recommanded values for compatibility with older versions : //define( 'PCLZIP_SEPARATOR', ' ' ); // Recommanded values for smart separation of filenames. if (!defined('PCLZIP_SEPARATOR')) { define('PCLZIP_SEPARATOR', ','); } // ----- Error configuration // 0 : PclZip Class integrated error handling // 1 : PclError external library error handling. By enabling this // you must ensure that you have included PclError library. // [2,...] : reserved for futur use if (!defined('PCLZIP_ERROR_EXTERNAL')) { define('PCLZIP_ERROR_EXTERNAL', 0); } // ----- Optional static temporary directory // By default temporary files are generated in the script current // path. // If defined : // - MUST BE terminated by a '/'. // - MUST be a valid, already created directory // Samples : // define( 'PCLZIP_TEMPORARY_DIR', '/temp/' ); // define( 'PCLZIP_TEMPORARY_DIR', 'C:/Temp/' ); if (!defined('PCLZIP_TEMPORARY_DIR')) { define('PCLZIP_TEMPORARY_DIR', ''); } // ----- Optional threshold ratio for use of temporary files // Pclzip sense the size of the file to add/extract and decide to // use or not temporary file. The algorythm is looking for // memory_limit of PHP and apply a ratio. // threshold = memory_limit * ratio. // Recommended values are under 0.5. Default 0.47. // Samples : // define( 'PCLZIP_TEMPORARY_FILE_RATIO', 0.5 ); if (!defined('PCLZIP_TEMPORARY_FILE_RATIO')) { define('PCLZIP_TEMPORARY_FILE_RATIO', 0.47); } // -------------------------------------------------------------------------------- // ***** UNDER THIS LINE NOTHING NEEDS TO BE MODIFIED ***** // -------------------------------------------------------------------------------- // ----- Global variables $g_pclzip_version = "2.8.2"; // ----- Error codes // -1 : Unable to open file in binary write mode // -2 : Unable to open file in binary read mode // -3 : Invalid parameters // -4 : File does not exist // -5 : Filename is too long (max. 255) // -6 : Not a valid zip file // -7 : Invalid extracted file size // -8 : Unable to create directory // -9 : Invalid archive extension // -10 : Invalid archive format // -11 : Unable to delete file (unlink) // -12 : Unable to rename file (rename) // -13 : Invalid header checksum // -14 : Invalid archive size define('PCLZIP_ERR_USER_ABORTED', 2); define('PCLZIP_ERR_NO_ERROR', 0); define('PCLZIP_ERR_WRITE_OPEN_FAIL', -1); define('PCLZIP_ERR_READ_OPEN_FAIL', -2); define('PCLZIP_ERR_INVALID_PARAMETER', -3); define('PCLZIP_ERR_MISSING_FILE', -4); define('PCLZIP_ERR_FILENAME_TOO_LONG', -5); define('PCLZIP_ERR_INVALID_ZIP', -6); define('PCLZIP_ERR_BAD_EXTRACTED_FILE', -7); define('PCLZIP_ERR_DIR_CREATE_FAIL', -8); define('PCLZIP_ERR_BAD_EXTENSION', -9); define('PCLZIP_ERR_BAD_FORMAT', -10); define('PCLZIP_ERR_DELETE_FILE_FAIL', -11); define('PCLZIP_ERR_RENAME_FILE_FAIL', -12); define('PCLZIP_ERR_BAD_CHECKSUM', -13); define('PCLZIP_ERR_INVALID_ARCHIVE_ZIP', -14); define('PCLZIP_ERR_MISSING_OPTION_VALUE', -15); define('PCLZIP_ERR_INVALID_OPTION_VALUE', -16); define('PCLZIP_ERR_ALREADY_A_DIRECTORY', -17); define('PCLZIP_ERR_UNSUPPORTED_COMPRESSION', -18); define('PCLZIP_ERR_UNSUPPORTED_ENCRYPTION', -19); define('PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE', -20); define('PCLZIP_ERR_DIRECTORY_RESTRICTION', -21); // ----- Options values define('PCLZIP_OPT_PATH', 77001); define('PCLZIP_OPT_ADD_PATH', 77002); define('PCLZIP_OPT_REMOVE_PATH', 77003); define('PCLZIP_OPT_REMOVE_ALL_PATH', 77004); define('PCLZIP_OPT_SET_CHMOD', 77005); define('PCLZIP_OPT_EXTRACT_AS_STRING', 77006); define('PCLZIP_OPT_NO_COMPRESSION', 77007); define('PCLZIP_OPT_BY_NAME', 77008); define('PCLZIP_OPT_BY_INDEX', 77009); define('PCLZIP_OPT_BY_EREG', 77010); define('PCLZIP_OPT_BY_PREG', 77011); define('PCLZIP_OPT_COMMENT', 77012); define('PCLZIP_OPT_ADD_COMMENT', 77013); define('PCLZIP_OPT_PREPEND_COMMENT', 77014); define('PCLZIP_OPT_EXTRACT_IN_OUTPUT', 77015); define('PCLZIP_OPT_REPLACE_NEWER', 77016); define('PCLZIP_OPT_STOP_ON_ERROR', 77017); // Having big trouble with crypt. Need to multiply 2 long int // which is not correctly supported by PHP ... //define( 'PCLZIP_OPT_CRYPT', 77018 ); define('PCLZIP_OPT_EXTRACT_DIR_RESTRICTION', 77019); define('PCLZIP_OPT_TEMP_FILE_THRESHOLD', 77020); define('PCLZIP_OPT_ADD_TEMP_FILE_THRESHOLD', 77020); // alias define('PCLZIP_OPT_TEMP_FILE_ON', 77021); define('PCLZIP_OPT_ADD_TEMP_FILE_ON', 77021); // alias define('PCLZIP_OPT_TEMP_FILE_OFF', 77022); define('PCLZIP_OPT_ADD_TEMP_FILE_OFF', 77022); // alias // ----- File description attributes define('PCLZIP_ATT_FILE_NAME', 79001); define('PCLZIP_ATT_FILE_NEW_SHORT_NAME', 79002); define('PCLZIP_ATT_FILE_NEW_FULL_NAME', 79003); define('PCLZIP_ATT_FILE_MTIME', 79004); define('PCLZIP_ATT_FILE_CONTENT', 79005); define('PCLZIP_ATT_FILE_COMMENT', 79006); // ----- Call backs values define('PCLZIP_CB_PRE_EXTRACT', 78001); define('PCLZIP_CB_POST_EXTRACT', 78002); define('PCLZIP_CB_PRE_ADD', 78003); define('PCLZIP_CB_POST_ADD', 78004); /* For futur use define( 'PCLZIP_CB_PRE_LIST', 78005 ); define( 'PCLZIP_CB_POST_LIST', 78006 ); define( 'PCLZIP_CB_PRE_DELETE', 78007 ); define( 'PCLZIP_CB_POST_DELETE', 78008 ); */ // -------------------------------------------------------------------------------- // Class : PclZip // Description : // PclZip is the class that represent a Zip archive. // The public methods allow the manipulation of the archive. // Attributes : // Attributes must not be accessed directly. // Methods : // PclZip() : Object creator // create() : Creates the Zip archive // listContent() : List the content of the Zip archive // extract() : Extract the content of the archive // properties() : List the properties of the archive // -------------------------------------------------------------------------------- class PclZip { // ----- Filename of the zip file var $zipname = ''; // ----- File descriptor of the zip file var $zip_fd = 0; // ----- Internal error handling var $error_code = 1; v