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Code Editor : class-pclzip.php
<?php // -------------------------------------------------------------------------------- // 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 $ // -------------------------------------------------------------------------------- // ----- 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 // ability to change that. // However notice that changing this value, may have impact on existing // scripts, using space separated filenames. // Recommended values for compatibility with older versions : //define( 'PCLZIP_SEPARATOR', ' ' ); // Recommended 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 algorithm 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; var $error_string = ''; // ----- Current status of the magic_quotes_runtime // This value store the php configuration for magic_quotes // The class can then disable the magic_quotes and reset it after var $magic_quotes_status; // -------------------------------------------------------------------------------- // Function : PclZip() // Description : // Creates a PclZip object and set the name of the associated Zip archive // filename. // Note that no real action is taken, if the archive does not exist it is not // created. Use create() for that. // -------------------------------------------------------------------------------- function __construct($p_zipname) { // ----- Tests the zlib if (!function_exists('gzopen')) { die('Abort '.basename(__FILE__).' : Missing zlib extensions'); } // ----- Set the attributes $this->zipname = $p_zipname; $this->zip_fd = 0; $this->magic_quotes_status = -1; // ----- Return return; } public function PclZip($p_zipname) { self::__construct($p_zipname); } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : // create($p_filelist, $p_add_dir="", $p_remove_dir="") // create($p_filelist, $p_option, $p_option_value, ...) // Description : // This method supports two different synopsis. The first one is historical. // This method creates a Zip Archive. The Zip file is created in the // filesystem. The files and directories indicated in $p_filelist // are added in the archive. See the parameters description for the // supported format of $p_filelist. // When a directory is in the list, the directory and its content is added // in the archive. // In this synopsis, the function takes an optional variable list of // options. See below the supported options. // Parameters : // $p_filelist : An array containing file or directory names, or // a string containing one filename or one directory name, or // a string containing a list of filenames and/or directory // names separated by spaces. // $p_add_dir : A path to add before the real path of the archived file, // in order to have it memorized in the archive. // $p_remove_dir : A path to remove from the real path of the file to archive, // in order to have a shorter path memorized in the archive. // When $p_add_dir and $p_remove_dir are set, $p_remove_dir // is removed first, before $p_add_dir is added. // Options : // PCLZIP_OPT_ADD_PATH : // PCLZIP_OPT_REMOVE_PATH : // PCLZIP_OPT_REMOVE_ALL_PATH : // PCLZIP_OPT_COMMENT : // PCLZIP_CB_PRE_ADD : // PCLZIP_CB_POST_ADD : // Return Values : // 0 on failure, // The list of the added files, with a status of the add action. // (see PclZip::listContent() for list entry format) // -------------------------------------------------------------------------------- function create($p_filelist) { $v_result=1; // ----- Reset the error handler $this->privErrorReset(); // ----- Set default values $v_options = array(); $v_options[PCLZIP_OPT_NO_COMPRESSION] = FALSE; // ----- Look for variable options arguments $v_size = func_num_args(); // ----- Look for arguments if ($v_size > 1) { // ----- Get the arguments $v_arg_list = func_get_args(); // ----- Remove from the options list the first argument array_shift($v_arg_list); $v_size--; // ----- Look for first arg if ((is_integer($v_arg_list[0])) && ($v_arg_list[0] > 77000)) { // ----- Parse the options $v_result = $this->privParseOptions($v_arg_list, $v_size, $v_options, array (PCLZIP_OPT_REMOVE_PATH => 'optional', PCLZIP_OPT_REMOVE_ALL_PATH => 'optional', PCLZIP_OPT_ADD_PATH => 'optional', PCLZIP_CB_PRE_ADD => 'optional', PCLZIP_CB_POST_ADD => 'optional', PCLZIP_OPT_NO_COMPRESSION => 'optional', PCLZIP_OPT_COMMENT => 'optional', PCLZIP_OPT_TEMP_FILE_THRESHOLD => 'optional', PCLZIP_OPT_TEMP_FILE_ON => 'optional', PCLZIP_OPT_TEMP_FILE_OFF => 'optional' //, PCLZIP_OPT_CRYPT => 'optional' )); if ($v_result != 1) { return 0; } } // ----- Look for 2 args // Here we need to support the first historic synopsis of the // method. else { // ----- Get the first argument $v_options[PCLZIP_OPT_ADD_PATH] = $v_arg_list[0]; // ----- Look for the optional second argument if ($v_size == 2) { $v_options[PCLZIP_OPT_REMOVE_PATH] = $v_arg_list[1]; } else if ($v_size > 2) { PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid number / type of arguments"); return 0; } } } // ----- Look for default option values $this->privOptionDefaultThreshold($v_options); // ----- Init $v_string_list = array(); $v_att_list = array(); $v_filedescr_list = array(); $p_result_list = array(); // ----- Look if the $p_filelist is really an array if (is_array($p_filelist)) { // ----- Look if the first element is also an array // This will mean that this is a file description entry if (isset($p_filelist[0]) && is_array($p_filelist[0])) { $v_att_list = $p_filelist; } // ----- The list is a list of string names else { $v_string_list = $p_filelist; } } // ----- Look if the $p_filelist is a string else if (is_string($p_filelist)) { // ----- Create a list from the string $v_string_list = explode(PCLZIP_SEPARATOR, $p_filelist); } // ----- Invalid variable type for $p_filelist else { PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid variable type p_filelist"); return 0; } // ----- Reformat the string list if (sizeof($v_string_list) != 0) { foreach ($v_string_list as $v_string) { if ($v_string != '') { $v_att_list[][PCLZIP_ATT_FILE_NAME] = $v_string; } else { } } } // ----- For each file in the list check the attributes $v_supported_attributes = array ( PCLZIP_ATT_FILE_NAME => 'mandatory' ,PCLZIP_ATT_FILE_NEW_SHORT_NAME => 'optional' ,PCLZIP_ATT_FILE_NEW_FULL_NAME => 'optional' ,PCLZIP_ATT_FILE_MTIME => 'optional' ,PCLZIP_ATT_FILE_CONTENT => 'optional' ,PCLZIP_ATT_FILE_COMMENT => 'optional' ); foreach ($v_att_list as $v_entry) { $v_result = $this->privFileDescrParseAtt($v_entry, $v_filedescr_list[], $v_options, $v_supported_attributes); if ($v_result != 1) { return 0; } } // ----- Expand the filelist (expand directories) $v_result = $this->privFileDescrExpand($v_filedescr_list, $v_options); if ($v_result != 1) { return 0; } // ----- Call the create fct $v_result = $this->privCreate($v_filedescr_list, $p_result_list, $v_options); if ($v_result != 1) { return 0; } // ----- Return return $p_result_list; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : // add($p_filelist, $p_add_dir="", $p_remove_dir="") // add($p_filelist, $p_option, $p_option_value, ...) // Description : // This method supports two synopsis. The first one is historical. // This methods add the list of files in an existing archive. // If a file with the same name already exists, it is added at the end of the // archive, the first one is still present. // If the archive does not exist, it is created. // Parameters : // $p_filelist : An array containing file or directory names, or // a string containing one filename or one directory name, or // a string containing a list of filenames and/or directory // names separated by spaces. // $p_add_dir : A path to add before the real path of the archived file, // in order to have it memorized in the archive. // $p_remove_dir : A path to remove from the real path of the file to archive, // in order to have a shorter path memorized in the archive. // When $p_add_dir and $p_remove_dir are set, $p_remove_dir // is removed first, before $p_add_dir is added. // Options : // PCLZIP_OPT_ADD_PATH : // PCLZIP_OPT_REMOVE_PATH : // PCLZIP_OPT_REMOVE_ALL_PATH : // PCLZIP_OPT_COMMENT : // PCLZIP_OPT_ADD_COMMENT : // PCLZIP_OPT_PREPEND_COMMENT : // PCLZIP_CB_PRE_ADD : // PCLZIP_CB_POST_ADD : // Return Values : // 0 on failure, // The list of the added files, with a status of the add action. // (see PclZip::listContent() for list entry format) // -------------------------------------------------------------------------------- function add($p_filelist) { $v_result=1; // ----- Reset the error handler $this->privErrorReset(); // ----- Set default values $v_options = array(); $v_options[PCLZIP_OPT_NO_COMPRESSION] = FALSE; // ----- Look for variable options arguments $v_size = func_num_args(); // ----- Look for arguments if ($v_size > 1) { // ----- Get the arguments $v_arg_list = func_get_args(); // ----- Remove form the options list the first argument array_shift($v_arg_list); $v_size--; // ----- Look for first arg if ((is_integer($v_arg_list[0])) && ($v_arg_list[0] > 77000)) { // ----- Parse the options $v_result = $this->privParseOptions($v_arg_list, $v_size, $v_options, array (PCLZIP_OPT_REMOVE_PATH => 'optional', PCLZIP_OPT_REMOVE_ALL_PATH => 'optional', PCLZIP_OPT_ADD_PATH => 'optional', PCLZIP_CB_PRE_ADD => 'optional', PCLZIP_CB_POST_ADD => 'optional', PCLZIP_OPT_NO_COMPRESSION => 'optional', PCLZIP_OPT_COMMENT => 'optional', PCLZIP_OPT_ADD_COMMENT => 'optional', PCLZIP_OPT_PREPEND_COMMENT => 'optional', PCLZIP_OPT_TEMP_FILE_THRESHOLD => 'optional', PCLZIP_OPT_TEMP_FILE_ON => 'optional', PCLZIP_OPT_TEMP_FILE_OFF => 'optional' //, PCLZIP_OPT_CRYPT => 'optional' )); if ($v_result != 1) { return 0; } } // ----- Look for 2 args // Here we need to support the first historic synopsis of the // method. else { // ----- Get the first argument $v_options[PCLZIP_OPT_ADD_PATH] = $v_add_path = $v_arg_list[0]; // ----- Look for the optional second argument if ($v_size == 2) { $v_options[PCLZIP_OPT_REMOVE_PATH] = $v_arg_list[1]; } else if ($v_size > 2) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid number / type of arguments"); // ----- Return return 0; } } } // ----- Look for default option values $this->privOptionDefaultThreshold($v_options); // ----- Init $v_string_list = array(); $v_att_list = array(); $v_filedescr_list = array(); $p_result_list = array(); // ----- Look if the $p_filelist is really an array if (is_array($p_filelist)) { // ----- Look if the first element is also an array // This will mean that this is a file description entry if (isset($p_filelist[0]) && is_array($p_filelist[0])) { $v_att_list = $p_filelist; } // ----- The list is a list of string names else { $v_string_list = $p_filelist; } } // ----- Look if the $p_filelist is a string else if (is_string($p_filelist)) { // ----- Create a list from the string $v_string_list = explode(PCLZIP_SEPARATOR, $p_filelist); } // ----- Invalid variable type for $p_filelist else { PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid variable type '".gettype($p_filelist)."' for p_filelist"); return 0; } // ----- Reformat the string list if (sizeof($v_string_list) != 0) { foreach ($v_string_list as $v_string) { $v_att_list[][PCLZIP_ATT_FILE_NAME] = $v_string; } } // ----- For each file in the list check the attributes $v_supported_attributes = array ( PCLZIP_ATT_FILE_NAME => 'mandatory' ,PCLZIP_ATT_FILE_NEW_SHORT_NAME => 'optional' ,PCLZIP_ATT_FILE_NEW_FULL_NAME => 'optional' ,PCLZIP_ATT_FILE_MTIME => 'optional' ,PCLZIP_ATT_FILE_CONTENT => 'optional' ,PCLZIP_ATT_FILE_COMMENT => 'optional' ); foreach ($v_att_list as $v_entry) { $v_result = $this->privFileDescrParseAtt($v_entry, $v_filedescr_list[], $v_options, $v_supported_attributes); if ($v_result != 1) { return 0; } } // ----- Expand the filelist (expand directories) $v_result = $this->privFileDescrExpand($v_filedescr_list, $v_options); if ($v_result != 1) { return 0; } // ----- Call the create fct $v_result = $this->privAdd($v_filedescr_list, $p_result_list, $v_options); if ($v_result != 1) { return 0; } // ----- Return return $p_result_list; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : listContent() // Description : // This public method, gives the list of the files and directories, with their // properties. // The properties of each entries in the list are (used also in other functions) : // filename : Name of the file. For a create or add action it is the filename // given by the user. For an extract function it is the filename // of the extracted file. // stored_filename : Name of the file / directory stored in the archive. // size : Size of the stored file. // compressed_size : Size of the file's data compressed in the archive // (without the headers overhead) // mtime : Last known modification date of the file (UNIX timestamp) // comment : Comment associated with the file // folder : true | false // index : index of the file in the archive // status : status of the action (depending of the action) : // Values are : // ok : OK ! // filtered : the file / dir is not extracted (filtered by user) // already_a_directory : the file can not be extracted because a // directory with the same name already exists // write_protected : the file can not be extracted because a file // with the same name already exists and is // write protected // newer_exist : the file was not extracted because a newer file exists // path_creation_fail : the file is not extracted because the folder // does not exist and can not be created // write_error : the file was not extracted because there was an // error while writing the file // read_error : the file was not extracted because there was an error // while reading the file // invalid_header : the file was not extracted because of an archive // format error (bad file header) // Note that each time a method can continue operating when there // is an action error on a file, the error is only logged in the file status. // Return Values : // 0 on an unrecoverable failure, // The list of the files in the archive. // -------------------------------------------------------------------------------- function listContent() { $v_result=1; // ----- Reset the error handler $this->privErrorReset(); // ----- Check archive if (!$this->privCheckFormat()) { return(0); } // ----- Call the extracting fct $p_list = array(); if (($v_result = $this->privList($p_list)) != 1) { unset($p_list); return(0); } // ----- Return return $p_list; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : // extract($p_path="./", $p_remove_path="") // extract([$p_option, $p_option_value, ...]) // Description : // This method supports two synopsis. The first one is historical. // This method extract all the files / directories from the archive to the // folder indicated in $p_path. // If you want to ignore the 'root' part of path of the memorized files // you can indicate this in the optional $p_remove_path parameter. // By default, if a newer file with the same name already exists, the // file is not extracted. // // If both PCLZIP_OPT_PATH and PCLZIP_OPT_ADD_PATH options // are used, the path indicated in PCLZIP_OPT_ADD_PATH is append // at the end of the path value of PCLZIP_OPT_PATH. // Parameters : // $p_path : Path where the files and directories are to be extracted // $p_remove_path : First part ('root' part) of the memorized path // (if any similar) to remove while extracting. // Options : // PCLZIP_OPT_PATH : // PCLZIP_OPT_ADD_PATH : // PCLZIP_OPT_REMOVE_PATH : // PCLZIP_OPT_REMOVE_ALL_PATH : // PCLZIP_CB_PRE_EXTRACT : // PCLZIP_CB_POST_EXTRACT : // Return Values : // 0 or a negative value on failure, // The list of the extracted files, with a status of the action. // (see PclZip::listContent() for list entry format) // -------------------------------------------------------------------------------- function extract() { $v_result=1; // ----- Reset the error handler $this->privErrorReset(); // ----- Check archive if (!$this->privCheckFormat()) { return(0); } // ----- Set default values $v_options = array(); // $v_path = "./"; $v_path = ''; $v_remove_path = ""; $v_remove_all_path = false; // ----- Look for variable options arguments $v_size = func_num_args(); // ----- Default values for option $v_options[PCLZIP_OPT_EXTRACT_AS_STRING] = FALSE; // ----- Look for arguments if ($v_size > 0) { // ----- Get the arguments $v_arg_list = func_get_args(); // ----- Look for first arg if ((is_integer($v_arg_list[0])) && ($v_arg_list[0] > 77000)) { // ----- Parse the options $v_result = $this->privParseOptions($v_arg_list, $v_size, $v_options, array (PCLZIP_OPT_PATH => 'optional', PCLZIP_OPT_REMOVE_PATH => 'optional', PCLZIP_OPT_REMOVE_ALL_PATH => 'optional', PCLZIP_OPT_ADD_PATH => 'optional', PCLZIP_CB_PRE_EXTRACT => 'optional', PCLZIP_CB_POST_EXTRACT => 'optional', PCLZIP_OPT_SET_CHMOD => 'optional', PCLZIP_OPT_BY_NAME => 'optional', PCLZIP_OPT_BY_EREG => 'optional', PCLZIP_OPT_BY_PREG => 'optional', PCLZIP_OPT_BY_INDEX => 'optional', PCLZIP_OPT_EXTRACT_AS_STRING => 'optional', PCLZIP_OPT_EXTRACT_IN_OUTPUT => 'optional', PCLZIP_OPT_REPLACE_NEWER => 'optional' ,PCLZIP_OPT_STOP_ON_ERROR => 'optional' ,PCLZIP_OPT_EXTRACT_DIR_RESTRICTION => 'optional', PCLZIP_OPT_TEMP_FILE_THRESHOLD => 'optional', PCLZIP_OPT_TEMP_FILE_ON => 'optional', PCLZIP_OPT_TEMP_FILE_OFF => 'optional' )); if ($v_result != 1) { return 0; } // ----- Set the arguments if (isset($v_options[PCLZIP_OPT_PATH])) { $v_path = $v_options[PCLZIP_OPT_PATH]; } if (isset($v_options[PCLZIP_OPT_REMOVE_PATH])) { $v_remove_path = $v_options[PCLZIP_OPT_REMOVE_PATH]; } if (isset($v_options[PCLZIP_OPT_REMOVE_ALL_PATH])) { $v_remove_all_path = $v_options[PCLZIP_OPT_REMOVE_ALL_PATH]; } if (isset($v_options[PCLZIP_OPT_ADD_PATH])) { // ----- Check for '/' in last path char if ((strlen($v_path) > 0) && (substr($v_path, -1) != '/')) { $v_path .= '/'; } $v_path .= $v_options[PCLZIP_OPT_ADD_PATH]; } } // ----- Look for 2 args // Here we need to support the first historic synopsis of the // method. else { // ----- Get the first argument $v_path = $v_arg_list[0]; // ----- Look for the optional second argument if ($v_size == 2) { $v_remove_path = $v_arg_list[1]; } else if ($v_size > 2) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid number / type of arguments"); // ----- Return return 0; } } } // ----- Look for default option values $this->privOptionDefaultThreshold($v_options); // ----- Trace // ----- Call the extracting fct $p_list = array(); $v_result = $this->privExtractByRule($p_list, $v_path, $v_remove_path, $v_remove_all_path, $v_options); if ($v_result < 1) { unset($p_list); return(0); } // ----- Return return $p_list; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : // extractByIndex($p_index, $p_path="./", $p_remove_path="") // extractByIndex($p_index, [$p_option, $p_option_value, ...]) // Description : // This method supports two synopsis. The first one is historical. // This method is doing a partial extract of the archive. // The extracted files or folders are identified by their index in the // archive (from 0 to n). // Note that if the index identify a folder, only the folder entry is // extracted, not all the files included in the archive. // Parameters : // $p_index : A single index (integer) or a string of indexes of files to // extract. The form of the string is "0,4-6,8-12" with only numbers // and '-' for range or ',' to separate ranges. No spaces or ';' // are allowed. // $p_path : Path where the files and directories are to be extracted // $p_remove_path : First part ('root' part) of the memorized path // (if any similar) to remove while extracting. // Options : // PCLZIP_OPT_PATH : // PCLZIP_OPT_ADD_PATH : // PCLZIP_OPT_REMOVE_PATH : // PCLZIP_OPT_REMOVE_ALL_PATH : // PCLZIP_OPT_EXTRACT_AS_STRING : The files are extracted as strings and // not as files. // The resulting content is in a new field 'content' in the file // structure. // This option must be used alone (any other options are ignored). // PCLZIP_CB_PRE_EXTRACT : // PCLZIP_CB_POST_EXTRACT : // Return Values : // 0 on failure, // The list of the extracted files, with a status of the action. // (see PclZip::listContent() for list entry format) // -------------------------------------------------------------------------------- //function extractByIndex($p_index, options...) function extractByIndex($p_index) { $v_result=1; // ----- Reset the error handler $this->privErrorReset(); // ----- Check archive if (!$this->privCheckFormat()) { return(0); } // ----- Set default values $v_options = array(); // $v_path = "./"; $v_path = ''; $v_remove_path = ""; $v_remove_all_path = false; // ----- Look for variable options arguments $v_size = func_num_args(); // ----- Default values for option $v_options[PCLZIP_OPT_EXTRACT_AS_STRING] = FALSE; // ----- Look for arguments if ($v_size > 1) { // ----- Get the arguments $v_arg_list = func_get_args(); // ----- Remove form the options list the first argument array_shift($v_arg_list); $v_size--; // ----- Look for first arg if ((is_integer($v_arg_list[0])) && ($v_arg_list[0] > 77000)) { // ----- Parse the options $v_result = $this->privParseOptions($v_arg_list, $v_size, $v_options, array (PCLZIP_OPT_PATH => 'optional', PCLZIP_OPT_REMOVE_PATH => 'optional', PCLZIP_OPT_REMOVE_ALL_PATH => 'optional', PCLZIP_OPT_EXTRACT_AS_STRING => 'optional', PCLZIP_OPT_ADD_PATH => 'optional', PCLZIP_CB_PRE_EXTRACT => 'optional', PCLZIP_CB_POST_EXTRACT => 'optional', PCLZIP_OPT_SET_CHMOD => 'optional', PCLZIP_OPT_REPLACE_NEWER => 'optional' ,PCLZIP_OPT_STOP_ON_ERROR => 'optional' ,PCLZIP_OPT_EXTRACT_DIR_RESTRICTION => 'optional', PCLZIP_OPT_TEMP_FILE_THRESHOLD => 'optional', PCLZIP_OPT_TEMP_FILE_ON => 'optional', PCLZIP_OPT_TEMP_FILE_OFF => 'optional' )); if ($v_result != 1) { return 0; } // ----- Set the arguments if (isset($v_options[PCLZIP_OPT_PATH])) { $v_path = $v_options[PCLZIP_OPT_PATH]; } if (isset($v_options[PCLZIP_OPT_REMOVE_PATH])) { $v_remove_path = $v_options[PCLZIP_OPT_REMOVE_PATH]; } if (isset($v_options[PCLZIP_OPT_REMOVE_ALL_PATH])) { $v_remove_all_path = $v_options[PCLZIP_OPT_REMOVE_ALL_PATH]; } if (isset($v_options[PCLZIP_OPT_ADD_PATH])) { // ----- Check for '/' in last path char if ((strlen($v_path) > 0) && (substr($v_path, -1) != '/')) { $v_path .= '/'; } $v_path .= $v_options[PCLZIP_OPT_ADD_PATH]; } if (!isset($v_options[PCLZIP_OPT_EXTRACT_AS_STRING])) { $v_options[PCLZIP_OPT_EXTRACT_AS_STRING] = FALSE; } else { } } // ----- Look for 2 args // Here we need to support the first historic synopsis of the // method. else { // ----- Get the first argument $v_path = $v_arg_list[0]; // ----- Look for the optional second argument if ($v_size == 2) { $v_remove_path = $v_arg_list[1]; } else if ($v_size > 2) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid number / type of arguments"); // ----- Return return 0; } } } // ----- Trace // ----- Trick // Here I want to reuse extractByRule(), so I need to parse the $p_index // with privParseOptions() $v_arg_trick = array (PCLZIP_OPT_BY_INDEX, $p_index); $v_options_trick = array(); $v_result = $this->privParseOptions($v_arg_trick, sizeof($v_arg_trick), $v_options_trick, array (PCLZIP_OPT_BY_INDEX => 'optional' )); if ($v_result != 1) { return 0; } $v_options[PCLZIP_OPT_BY_INDEX] = $v_options_trick[PCLZIP_OPT_BY_INDEX]; // ----- Look for default option values $this->privOptionDefaultThreshold($v_options); // ----- Call the extracting fct if (($v_result = $this->privExtractByRule($p_list, $v_path, $v_remove_path, $v_remove_all_path, $v_options)) < 1) { return(0); } // ----- Return return $p_list; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : // delete([$p_option, $p_option_value, ...]) // Description : // This method removes files from the archive. // If no parameters are given, then all the archive is emptied. // Parameters : // None or optional arguments. // Options : // PCLZIP_OPT_BY_INDEX : // PCLZIP_OPT_BY_NAME : // PCLZIP_OPT_BY_EREG : // PCLZIP_OPT_BY_PREG : // Return Values : // 0 on failure, // The list of the files which are still present in the archive. // (see PclZip::listContent() for list entry format) // -------------------------------------------------------------------------------- function delete() { $v_result=1; // ----- Reset the error handler $this->privErrorReset(); // ----- Check archive if (!$this->privCheckFormat()) { return(0); } // ----- Set default values $v_options = array(); // ----- Look for variable options arguments $v_size = func_num_args(); // ----- Look for arguments if ($v_size > 0) { // ----- Get the arguments $v_arg_list = func_get_args(); // ----- Parse the options $v_result = $this->privParseOptions($v_arg_list, $v_size, $v_options, array (PCLZIP_OPT_BY_NAME => 'optional', PCLZIP_OPT_BY_EREG => 'optional', PCLZIP_OPT_BY_PREG => 'optional', PCLZIP_OPT_BY_INDEX => 'optional' )); if ($v_result != 1) { return 0; } } // ----- Magic quotes trick $this->privDisableMagicQuotes(); // ----- Call the delete fct $v_list = array(); if (($v_result = $this->privDeleteByRule($v_list, $v_options)) != 1) { $this->privSwapBackMagicQuotes(); unset($v_list); return(0); } // ----- Magic quotes trick $this->privSwapBackMagicQuotes(); // ----- Return return $v_list; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : deleteByIndex() // Description : // ***** Deprecated ***** // delete(PCLZIP_OPT_BY_INDEX, $p_index) should be preferred. // -------------------------------------------------------------------------------- function deleteByIndex($p_index) { $p_list = $this->delete(PCLZIP_OPT_BY_INDEX, $p_index); // ----- Return return $p_list; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : properties() // Description : // This method gives the properties of the archive. // The properties are : // nb : Number of files in the archive // comment : Comment associated with the archive file // status : not_exist, ok // Parameters : // None // Return Values : // 0 on failure, // An array with the archive properties. // -------------------------------------------------------------------------------- function properties() { // ----- Reset the error handler $this->privErrorReset(); // ----- Magic quotes trick $this->privDisableMagicQuotes(); // ----- Check archive if (!$this->privCheckFormat()) { $this->privSwapBackMagicQuotes(); return(0); } // ----- Default properties $v_prop = array(); $v_prop['comment'] = ''; $v_prop['nb'] = 0; $v_prop['status'] = 'not_exist'; // ----- Look if file exists if (@is_file($this->zipname)) { // ----- Open the zip file if (($this->zip_fd = @fopen($this->zipname, 'rb')) == 0) { $this->privSwapBackMagicQuotes(); // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open archive \''.$this->zipname.'\' in binary read mode'); // ----- Return return 0; } // ----- Read the central directory information $v_central_dir = array(); if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1) { $this->privSwapBackMagicQuotes(); return 0; } // ----- Close the zip file $this->privCloseFd(); // ----- Set the user attributes $v_prop['comment'] = $v_central_dir['comment']; $v_prop['nb'] = $v_central_dir['entries']; $v_prop['status'] = 'ok'; } // ----- Magic quotes trick $this->privSwapBackMagicQuotes(); // ----- Return return $v_prop; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : duplicate() // Description : // This method creates an archive by copying the content of an other one. If // the archive already exist, it is replaced by the new one without any warning. // Parameters : // $p_archive : The filename of a valid archive, or // a valid PclZip object. // Return Values : // 1 on success. // 0 or a negative value on error (error code). // -------------------------------------------------------------------------------- function duplicate($p_archive) { $v_result = 1; // ----- Reset the error handler $this->privErrorReset(); // ----- Look if the $p_archive is an instantiated PclZip object if ($p_archive instanceof pclzip) { // ----- Duplicate the archive $v_result = $this->privDuplicate($p_archive->zipname); } // ----- Look if the $p_archive is a string (so a filename) else if (is_string($p_archive)) { // ----- Check that $p_archive is a valid zip file // TBC : Should also check the archive format if (!is_file($p_archive)) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE, "No file with filename '".$p_archive."'"); $v_result = PCLZIP_ERR_MISSING_FILE; } else { // ----- Duplicate the archive $v_result = $this->privDuplicate($p_archive); } } // ----- Invalid variable else { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid variable type p_archive_to_add"); $v_result = PCLZIP_ERR_INVALID_PARAMETER; } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : merge() // Description : // This method merge the $p_archive_to_add archive at the end of the current // one ($this). // If the archive ($this) does not exist, the merge becomes a duplicate. // If the $p_archive_to_add archive does not exist, the merge is a success. // Parameters : // $p_archive_to_add : It can be directly the filename of a valid zip archive, // or a PclZip object archive. // Return Values : // 1 on success, // 0 or negative values on error (see below). // -------------------------------------------------------------------------------- function merge($p_archive_to_add) { $v_result = 1; // ----- Reset the error handler $this->privErrorReset(); // ----- Check archive if (!$this->privCheckFormat()) { return(0); } // ----- Look if the $p_archive_to_add is an instantiated PclZip object if ($p_archive_to_add instanceof pclzip) { // ----- Merge the archive $v_result = $this->privMerge($p_archive_to_add); } // ----- Look if the $p_archive_to_add is a string (so a filename) else if (is_string($p_archive_to_add)) { // ----- Create a temporary archive $v_object_archive = new PclZip($p_archive_to_add); // ----- Merge the archive $v_result = $this->privMerge($v_object_archive); } // ----- Invalid variable else { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid variable type p_archive_to_add"); $v_result = PCLZIP_ERR_INVALID_PARAMETER; } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : errorCode() // Description : // Parameters : // -------------------------------------------------------------------------------- function errorCode() { if (PCLZIP_ERROR_EXTERNAL == 1) { return(PclErrorCode()); } else { return($this->error_code); } } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : errorName() // Description : // Parameters : // -------------------------------------------------------------------------------- function errorName($p_with_code=false) { $v_name = array ( PCLZIP_ERR_NO_ERROR => 'PCLZIP_ERR_NO_ERROR', PCLZIP_ERR_WRITE_OPEN_FAIL => 'PCLZIP_ERR_WRITE_OPEN_FAIL', PCLZIP_ERR_READ_OPEN_FAIL => 'PCLZIP_ERR_READ_OPEN_FAIL', PCLZIP_ERR_INVALID_PARAMETER => 'PCLZIP_ERR_INVALID_PARAMETER', PCLZIP_ERR_MISSING_FILE => 'PCLZIP_ERR_MISSING_FILE', PCLZIP_ERR_FILENAME_TOO_LONG => 'PCLZIP_ERR_FILENAME_TOO_LONG', PCLZIP_ERR_INVALID_ZIP => 'PCLZIP_ERR_INVALID_ZIP', PCLZIP_ERR_BAD_EXTRACTED_FILE => 'PCLZIP_ERR_BAD_EXTRACTED_FILE', PCLZIP_ERR_DIR_CREATE_FAIL => 'PCLZIP_ERR_DIR_CREATE_FAIL', PCLZIP_ERR_BAD_EXTENSION => 'PCLZIP_ERR_BAD_EXTENSION', PCLZIP_ERR_BAD_FORMAT => 'PCLZIP_ERR_BAD_FORMAT', PCLZIP_ERR_DELETE_FILE_FAIL => 'PCLZIP_ERR_DELETE_FILE_FAIL', PCLZIP_ERR_RENAME_FILE_FAIL => 'PCLZIP_ERR_RENAME_FILE_FAIL', PCLZIP_ERR_BAD_CHECKSUM => 'PCLZIP_ERR_BAD_CHECKSUM', PCLZIP_ERR_INVALID_ARCHIVE_ZIP => 'PCLZIP_ERR_INVALID_ARCHIVE_ZIP', PCLZIP_ERR_MISSING_OPTION_VALUE => 'PCLZIP_ERR_MISSING_OPTION_VALUE', PCLZIP_ERR_INVALID_OPTION_VALUE => 'PCLZIP_ERR_INVALID_OPTION_VALUE', PCLZIP_ERR_UNSUPPORTED_COMPRESSION => 'PCLZIP_ERR_UNSUPPORTED_COMPRESSION', PCLZIP_ERR_UNSUPPORTED_ENCRYPTION => 'PCLZIP_ERR_UNSUPPORTED_ENCRYPTION' ,PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE => 'PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE' ,PCLZIP_ERR_DIRECTORY_RESTRICTION => 'PCLZIP_ERR_DIRECTORY_RESTRICTION' ); if (isset($v_name[$this->error_code])) { $v_value = $v_name[$this->error_code]; } else { $v_value = 'NoName'; } if ($p_with_code) { return($v_value.' ('.$this->error_code.')'); } else { return($v_value); } } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : errorInfo() // Description : // Parameters : // -------------------------------------------------------------------------------- function errorInfo($p_full=false) { if (PCLZIP_ERROR_EXTERNAL == 1) { return(PclErrorString()); } else { if ($p_full) { return($this->errorName(true)." : ".$this->error_string); } else { return($this->error_string." [code ".$this->error_code."]"); } } } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // ***** UNDER THIS LINE ARE DEFINED PRIVATE INTERNAL FUNCTIONS ***** // ***** ***** // ***** THESES FUNCTIONS MUST NOT BE USED DIRECTLY ***** // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privCheckFormat() // Description : // This method check that the archive exists and is a valid zip archive. // Several level of check exists. (futur) // Parameters : // $p_level : Level of check. Default 0. // 0 : Check the first bytes (magic codes) (default value)) // 1 : 0 + Check the central directory (futur) // 2 : 1 + Check each file header (futur) // Return Values : // true on success, // false on error, the error code is set. // -------------------------------------------------------------------------------- function privCheckFormat($p_level=0) { $v_result = true; // ----- Reset the file system cache clearstatcache(); // ----- Reset the error handler $this->privErrorReset(); // ----- Look if the file exits if (!is_file($this->zipname)) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE, "Missing archive file '".$this->zipname."'"); return(false); } // ----- Check that the file is readable if (!is_readable($this->zipname)) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, "Unable to read archive '".$this->zipname."'"); return(false); } // ----- Check the magic code // TBC // ----- Check the central header // TBC // ----- Check each file header // TBC // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privParseOptions() // Description : // This internal methods reads the variable list of arguments ($p_options_list, // $p_size) and generate an array with the options and values ($v_result_list). // $v_requested_options contains the options that can be present and those that // must be present. // $v_requested_options is an array, with the option value as key, and 'optional', // or 'mandatory' as value. // Parameters : // See above. // Return Values : // 1 on success. // 0 on failure. // -------------------------------------------------------------------------------- function privParseOptions(&$p_options_list, $p_size, &$v_result_list, $v_requested_options=false) { $v_result=1; // ----- Read the options $i=0; while ($i<$p_size) { // ----- Check if the option is supported if (!isset($v_requested_options[$p_options_list[$i]])) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid optional parameter '".$p_options_list[$i]."' for this method"); // ----- Return return PclZip::errorCode(); } // ----- Look for next option switch ($p_options_list[$i]) { // ----- Look for options that request a path value case PCLZIP_OPT_PATH : case PCLZIP_OPT_REMOVE_PATH : case PCLZIP_OPT_ADD_PATH : // ----- Check the number of parameters if (($i+1) >= $p_size) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'"); // ----- Return return PclZip::errorCode(); } // ----- Get the value $v_result_list[$p_options_list[$i]] = PclZipUtilTranslateWinPath($p_options_list[$i+1], FALSE); $i++; break; case PCLZIP_OPT_TEMP_FILE_THRESHOLD : // ----- Check the number of parameters if (($i+1) >= $p_size) { PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'"); return PclZip::errorCode(); } // ----- Check for incompatible options if (isset($v_result_list[PCLZIP_OPT_TEMP_FILE_OFF])) { PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Option '".PclZipUtilOptionText($p_options_list[$i])."' can not be used with option 'PCLZIP_OPT_TEMP_FILE_OFF'"); return PclZip::errorCode(); } // ----- Check the value $v_value = $p_options_list[$i+1]; if ((!is_integer($v_value)) || ($v_value<0)) { PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Integer expected for option '".PclZipUtilOptionText($p_options_list[$i])."'"); return PclZip::errorCode(); } // ----- Get the value (and convert it in bytes) $v_result_list[$p_options_list[$i]] = $v_value*1048576; $i++; break; case PCLZIP_OPT_TEMP_FILE_ON : // ----- Check for incompatible options if (isset($v_result_list[PCLZIP_OPT_TEMP_FILE_OFF])) { PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Option '".PclZipUtilOptionText($p_options_list[$i])."' can not be used with option 'PCLZIP_OPT_TEMP_FILE_OFF'"); return PclZip::errorCode(); } $v_result_list[$p_options_list[$i]] = true; break; case PCLZIP_OPT_TEMP_FILE_OFF : // ----- Check for incompatible options if (isset($v_result_list[PCLZIP_OPT_TEMP_FILE_ON])) { PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Option '".PclZipUtilOptionText($p_options_list[$i])."' can not be used with option 'PCLZIP_OPT_TEMP_FILE_ON'"); return PclZip::errorCode(); } // ----- Check for incompatible options if (isset($v_result_list[PCLZIP_OPT_TEMP_FILE_THRESHOLD])) { PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Option '".PclZipUtilOptionText($p_options_list[$i])."' can not be used with option 'PCLZIP_OPT_TEMP_FILE_THRESHOLD'"); return PclZip::errorCode(); } $v_result_list[$p_options_list[$i]] = true; break; case PCLZIP_OPT_EXTRACT_DIR_RESTRICTION : // ----- Check the number of parameters if (($i+1) >= $p_size) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'"); // ----- Return return PclZip::errorCode(); } // ----- Get the value if ( is_string($p_options_list[$i+1]) && ($p_options_list[$i+1] != '')) { $v_result_list[$p_options_list[$i]] = PclZipUtilTranslateWinPath($p_options_list[$i+1], FALSE); $i++; } else { } break; // ----- Look for options that request an array of string for value case PCLZIP_OPT_BY_NAME : // ----- Check the number of parameters if (($i+1) >= $p_size) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'"); // ----- Return return PclZip::errorCode(); } // ----- Get the value if (is_string($p_options_list[$i+1])) { $v_result_list[$p_options_list[$i]][0] = $p_options_list[$i+1]; } else if (is_array($p_options_list[$i+1])) { $v_result_list[$p_options_list[$i]] = $p_options_list[$i+1]; } else { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Wrong parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'"); // ----- Return return PclZip::errorCode(); } $i++; break; // ----- Look for options that request an EREG or PREG expression case PCLZIP_OPT_BY_EREG : // ereg() is deprecated starting with PHP 5.3. Move PCLZIP_OPT_BY_EREG // to PCLZIP_OPT_BY_PREG $p_options_list[$i] = PCLZIP_OPT_BY_PREG; case PCLZIP_OPT_BY_PREG : //case PCLZIP_OPT_CRYPT : // ----- Check the number of parameters if (($i+1) >= $p_size) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'"); // ----- Return return PclZip::errorCode(); } // ----- Get the value if (is_string($p_options_list[$i+1])) { $v_result_list[$p_options_list[$i]] = $p_options_list[$i+1]; } else { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Wrong parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'"); // ----- Return return PclZip::errorCode(); } $i++; break; // ----- Look for options that takes a string case PCLZIP_OPT_COMMENT : case PCLZIP_OPT_ADD_COMMENT : case PCLZIP_OPT_PREPEND_COMMENT : // ----- Check the number of parameters if (($i+1) >= $p_size) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '" .PclZipUtilOptionText($p_options_list[$i]) ."'"); // ----- Return return PclZip::errorCode(); } // ----- Get the value if (is_string($p_options_list[$i+1])) { $v_result_list[$p_options_list[$i]] = $p_options_list[$i+1]; } else { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Wrong parameter value for option '" .PclZipUtilOptionText($p_options_list[$i]) ."'"); // ----- Return return PclZip::errorCode(); } $i++; break; // ----- Look for options that request an array of index case PCLZIP_OPT_BY_INDEX : // ----- Check the number of parameters if (($i+1) >= $p_size) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'"); // ----- Return return PclZip::errorCode(); } // ----- Get the value $v_work_list = array(); if (is_string($p_options_list[$i+1])) { // ----- Remove spaces $p_options_list[$i+1] = strtr($p_options_list[$i+1], ' ', ''); // ----- Parse items $v_work_list = explode(",", $p_options_list[$i+1]); } else if (is_integer($p_options_list[$i+1])) { $v_work_list[0] = $p_options_list[$i+1].'-'.$p_options_list[$i+1]; } else if (is_array($p_options_list[$i+1])) { $v_work_list = $p_options_list[$i+1]; } else { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Value must be integer, string or array for option '".PclZipUtilOptionText($p_options_list[$i])."'"); // ----- Return return PclZip::errorCode(); } // ----- Reduce the index list // each index item in the list must be a couple with a start and // an end value : [0,3], [5-5], [8-10], ... // ----- Check the format of each item $v_sort_flag=false; $v_sort_value=0; for ($j=0; $j<sizeof($v_work_list); $j++) { // ----- Explode the item $v_item_list = explode("-", $v_work_list[$j]); $v_size_item_list = sizeof($v_item_list); // ----- TBC : Here we might check that each item is a // real integer ... // ----- Look for single value if ($v_size_item_list == 1) { // ----- Set the option value $v_result_list[$p_options_list[$i]][$j]['start'] = $v_item_list[0]; $v_result_list[$p_options_list[$i]][$j]['end'] = $v_item_list[0]; } elseif ($v_size_item_list == 2) { // ----- Set the option value $v_result_list[$p_options_list[$i]][$j]['start'] = $v_item_list[0]; $v_result_list[$p_options_list[$i]][$j]['end'] = $v_item_list[1]; } else { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Too many values in index range for option '".PclZipUtilOptionText($p_options_list[$i])."'"); // ----- Return return PclZip::errorCode(); } // ----- Look for list sort if ($v_result_list[$p_options_list[$i]][$j]['start'] < $v_sort_value) { $v_sort_flag=true; // ----- TBC : An automatic sort should be written ... // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Invalid order of index range for option '".PclZipUtilOptionText($p_options_list[$i])."'"); // ----- Return return PclZip::errorCode(); } $v_sort_value = $v_result_list[$p_options_list[$i]][$j]['start']; } // ----- Sort the items if ($v_sort_flag) { // TBC : To Be Completed } // ----- Next option $i++; break; // ----- Look for options that request no value case PCLZIP_OPT_REMOVE_ALL_PATH : case PCLZIP_OPT_EXTRACT_AS_STRING : case PCLZIP_OPT_NO_COMPRESSION : case PCLZIP_OPT_EXTRACT_IN_OUTPUT : case PCLZIP_OPT_REPLACE_NEWER : case PCLZIP_OPT_STOP_ON_ERROR : $v_result_list[$p_options_list[$i]] = true; break; // ----- Look for options that request an octal value case PCLZIP_OPT_SET_CHMOD : // ----- Check the number of parameters if (($i+1) >= $p_size) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'"); // ----- Return return PclZip::errorCode(); } // ----- Get the value $v_result_list[$p_options_list[$i]] = $p_options_list[$i+1]; $i++; break; // ----- Look for options that request a call-back case PCLZIP_CB_PRE_EXTRACT : case PCLZIP_CB_POST_EXTRACT : case PCLZIP_CB_PRE_ADD : case PCLZIP_CB_POST_ADD : /* for futur use case PCLZIP_CB_PRE_DELETE : case PCLZIP_CB_POST_DELETE : case PCLZIP_CB_PRE_LIST : case PCLZIP_CB_POST_LIST : */ // ----- Check the number of parameters if (($i+1) >= $p_size) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'"); // ----- Return return PclZip::errorCode(); } // ----- Get the value $v_function_name = $p_options_list[$i+1]; // ----- Check that the value is a valid existing function if (!function_exists($v_function_name)) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Function '".$v_function_name."()' is not an existing function for option '".PclZipUtilOptionText($p_options_list[$i])."'"); // ----- Return return PclZip::errorCode(); } // ----- Set the attribute $v_result_list[$p_options_list[$i]] = $v_function_name; $i++; break; default : // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Unknown parameter '" .$p_options_list[$i]."'"); // ----- Return return PclZip::errorCode(); } // ----- Next options $i++; } // ----- Look for mandatory options if ($v_requested_options !== false) { for ($key=reset($v_requested_options); $key=key($v_requested_options); $key=next($v_requested_options)) { // ----- Look for mandatory option if ($v_requested_options[$key] == 'mandatory') { // ----- Look if present if (!isset($v_result_list[$key])) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Missing mandatory parameter ".PclZipUtilOptionText($key)."(".$key.")"); // ----- Return return PclZip::errorCode(); } } } } // ----- Look for default values if (!isset($v_result_list[PCLZIP_OPT_TEMP_FILE_THRESHOLD])) { } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privOptionDefaultThreshold() // Description : // Parameters : // Return Values : // -------------------------------------------------------------------------------- function privOptionDefaultThreshold(&$p_options) { $v_result=1; if (isset($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD]) || isset($p_options[PCLZIP_OPT_TEMP_FILE_OFF])) { return $v_result; } // ----- Get 'memory_limit' configuration value $v_memory_limit = ini_get('memory_limit'); $v_memory_limit = trim($v_memory_limit); $v_memory_limit_int = (int) $v_memory_limit; $last = strtolower(substr($v_memory_limit, -1)); if($last == 'g') //$v_memory_limit_int = $v_memory_limit_int*1024*1024*1024; $v_memory_limit_int = $v_memory_limit_int*1073741824; if($last == 'm') //$v_memory_limit_int = $v_memory_limit_int*1024*1024; $v_memory_limit_int = $v_memory_limit_int*1048576; if($last == 'k') $v_memory_limit_int = $v_memory_limit_int*1024; $p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] = floor($v_memory_limit_int*PCLZIP_TEMPORARY_FILE_RATIO); // ----- Confidence check : No threshold if value lower than 1M if ($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] < 1048576) { unset($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD]); } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privFileDescrParseAtt() // Description : // Parameters : // Return Values : // 1 on success. // 0 on failure. // -------------------------------------------------------------------------------- function privFileDescrParseAtt(&$p_file_list, &$p_filedescr, $v_options, $v_requested_options=false) { $v_result=1; // ----- For each file in the list check the attributes foreach ($p_file_list as $v_key => $v_value) { // ----- Check if the option is supported if (!isset($v_requested_options[$v_key])) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid file attribute '".$v_key."' for this file"); // ----- Return return PclZip::errorCode(); } // ----- Look for attribute switch ($v_key) { case PCLZIP_ATT_FILE_NAME : if (!is_string($v_value)) { PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid type ".gettype($v_value).". String expected for attribute '".PclZipUtilOptionText($v_key)."'"); return PclZip::errorCode(); } $p_filedescr['filename'] = PclZipUtilPathReduction($v_value); if ($p_filedescr['filename'] == '') { PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid empty filename for attribute '".PclZipUtilOptionText($v_key)."'"); return PclZip::errorCode(); } break; case PCLZIP_ATT_FILE_NEW_SHORT_NAME : if (!is_string($v_value)) { PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid type ".gettype($v_value).". String expected for attribute '".PclZipUtilOptionText($v_key)."'"); return PclZip::errorCode(); } $p_filedescr['new_short_name'] = PclZipUtilPathReduction($v_value); if ($p_filedescr['new_short_name'] == '') { PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid empty short filename for attribute '".PclZipUtilOptionText($v_key)."'"); return PclZip::errorCode(); } break; case PCLZIP_ATT_FILE_NEW_FULL_NAME : if (!is_string($v_value)) { PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid type ".gettype($v_value).". String expected for attribute '".PclZipUtilOptionText($v_key)."'"); return PclZip::errorCode(); } $p_filedescr['new_full_name'] = PclZipUtilPathReduction($v_value); if ($p_filedescr['new_full_name'] == '') { PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid empty full filename for attribute '".PclZipUtilOptionText($v_key)."'"); return PclZip::errorCode(); } break; // ----- Look for options that takes a string case PCLZIP_ATT_FILE_COMMENT : if (!is_string($v_value)) { PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid type ".gettype($v_value).". String expected for attribute '".PclZipUtilOptionText($v_key)."'"); return PclZip::errorCode(); } $p_filedescr['comment'] = $v_value; break; case PCLZIP_ATT_FILE_MTIME : if (!is_integer($v_value)) { PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid type ".gettype($v_value).". Integer expected for attribute '".PclZipUtilOptionText($v_key)."'"); return PclZip::errorCode(); } $p_filedescr['mtime'] = $v_value; break; case PCLZIP_ATT_FILE_CONTENT : $p_filedescr['content'] = $v_value; break; default : // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Unknown parameter '".$v_key."'"); // ----- Return return PclZip::errorCode(); } // ----- Look for mandatory options if ($v_requested_options !== false) { for ($key=reset($v_requested_options); $key=key($v_requested_options); $key=next($v_requested_options)) { // ----- Look for mandatory option if ($v_requested_options[$key] == 'mandatory') { // ----- Look if present if (!isset($p_file_list[$key])) { PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Missing mandatory parameter ".PclZipUtilOptionText($key)."(".$key.")"); return PclZip::errorCode(); } } } } // end foreach } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privFileDescrExpand() // Description : // This method look for each item of the list to see if its a file, a folder // or a string to be added as file. For any other type of files (link, other) // just ignore the item. // Then prepare the information that will be stored for that file. // When its a folder, expand the folder with all the files that are in that // folder (recursively). // Parameters : // Return Values : // 1 on success. // 0 on failure. // -------------------------------------------------------------------------------- function privFileDescrExpand(&$p_filedescr_list, &$p_options) { $v_result=1; // ----- Create a result list $v_result_list = array(); // ----- Look each entry for ($i=0; $i<sizeof($p_filedescr_list); $i++) { // ----- Get filedescr $v_descr = $p_filedescr_list[$i]; // ----- Reduce the filename $v_descr['filename'] = PclZipUtilTranslateWinPath($v_descr['filename'], false); $v_descr['filename'] = PclZipUtilPathReduction($v_descr['filename']); // ----- Look for real file or folder if (file_exists($v_descr['filename'])) { if (@is_file($v_descr['filename'])) { $v_descr['type'] = 'file'; } else if (@is_dir($v_descr['filename'])) { $v_descr['type'] = 'folder'; } else if (@is_link($v_descr['filename'])) { // skip continue; } else { // skip continue; } } // ----- Look for string added as file else if (isset($v_descr['content'])) { $v_descr['type'] = 'virtual_file'; } // ----- Missing file else { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE, "File '".$v_descr['filename']."' does not exist"); // ----- Return return PclZip::errorCode(); } // ----- Calculate the stored filename $this->privCalculateStoredFilename($v_descr, $p_options); // ----- Add the descriptor in result list $v_result_list[sizeof($v_result_list)] = $v_descr; // ----- Look for folder if ($v_descr['type'] == 'folder') { // ----- List of items in folder $v_dirlist_descr = array(); $v_dirlist_nb = 0; if ($v_folder_handler = @opendir($v_descr['filename'])) { while (($v_item_handler = @readdir($v_folder_handler)) !== false) { // ----- Skip '.' and '..' if (($v_item_handler == '.') || ($v_item_handler == '..')) { continue; } // ----- Compose the full filename $v_dirlist_descr[$v_dirlist_nb]['filename'] = $v_descr['filename'].'/'.$v_item_handler; // ----- Look for different stored filename // Because the name of the folder was changed, the name of the // files/sub-folders also change if (($v_descr['stored_filename'] != $v_descr['filename']) && (!isset($p_options[PCLZIP_OPT_REMOVE_ALL_PATH]))) { if ($v_descr['stored_filename'] != '') { $v_dirlist_descr[$v_dirlist_nb]['new_full_name'] = $v_descr['stored_filename'].'/'.$v_item_handler; } else { $v_dirlist_descr[$v_dirlist_nb]['new_full_name'] = $v_item_handler; } } $v_dirlist_nb++; } @closedir($v_folder_handler); } else { // TBC : unable to open folder in read mode } // ----- Expand each element of the list if ($v_dirlist_nb != 0) { // ----- Expand if (($v_result = $this->privFileDescrExpand($v_dirlist_descr, $p_options)) != 1) { return $v_result; } // ----- Concat the resulting list $v_result_list = array_merge($v_result_list, $v_dirlist_descr); } else { } // ----- Free local array unset($v_dirlist_descr); } } // ----- Get the result list $p_filedescr_list = $v_result_list; // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privCreate() // Description : // Parameters : // Return Values : // -------------------------------------------------------------------------------- function privCreate($p_filedescr_list, &$p_result_list, &$p_options) { $v_result=1; $v_list_detail = array(); // ----- Magic quotes trick $this->privDisableMagicQuotes(); // ----- Open the file in write mode if (($v_result = $this->privOpenFd('wb')) != 1) { // ----- Return return $v_result; } // ----- Add the list of files $v_result = $this->privAddList($p_filedescr_list, $p_result_list, $p_options); // ----- Close $this->privCloseFd(); // ----- Magic quotes trick $this->privSwapBackMagicQuotes(); // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privAdd() // Description : // Parameters : // Return Values : // -------------------------------------------------------------------------------- function privAdd($p_filedescr_list, &$p_result_list, &$p_options) { $v_result=1; $v_list_detail = array(); // ----- Look if the archive exists or is empty if ((!is_file($this->zipname)) || (filesize($this->zipname) == 0)) { // ----- Do a create $v_result = $this->privCreate($p_filedescr_list, $p_result_list, $p_options); // ----- Return return $v_result; } // ----- Magic quotes trick $this->privDisableMagicQuotes(); // ----- Open the zip file if (($v_result=$this->privOpenFd('rb')) != 1) { // ----- Magic quotes trick $this->privSwapBackMagicQuotes(); // ----- Return return $v_result; } // ----- Read the central directory information $v_central_dir = array(); if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1) { $this->privCloseFd(); $this->privSwapBackMagicQuotes(); return $v_result; } // ----- Go to beginning of File @rewind($this->zip_fd); // ----- Creates a temporary file $v_zip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.tmp'; // ----- Open the temporary file in write mode if (($v_zip_temp_fd = @fopen($v_zip_temp_name, 'wb')) == 0) { $this->privCloseFd(); $this->privSwapBackMagicQuotes(); PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \''.$v_zip_temp_name.'\' in binary write mode'); // ----- Return return PclZip::errorCode(); } // ----- Copy the files from the archive to the temporary file // TBC : Here I should better append the file and go back to erase the central dir $v_size = $v_central_dir['offset']; while ($v_size != 0) { $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE); $v_buffer = fread($this->zip_fd, $v_read_size); @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size); $v_size -= $v_read_size; } // ----- Swap the file descriptor // Here is a trick : I swap the temporary fd with the zip fd, in order to use // the following methods on the temporary fil and not the real archive $v_swap = $this->zip_fd; $this->zip_fd = $v_zip_temp_fd; $v_zip_temp_fd = $v_swap; // ----- Add the files $v_header_list = array(); if (($v_result = $this->privAddFileList($p_filedescr_list, $v_header_list, $p_options)) != 1) { fclose($v_zip_temp_fd); $this->privCloseFd(); @unlink($v_zip_temp_name); $this->privSwapBackMagicQuotes(); // ----- Return return $v_result; } // ----- Store the offset of the central dir $v_offset = @ftell($this->zip_fd); // ----- Copy the block of file headers from the old archive $v_size = $v_central_dir['size']; while ($v_size != 0) { $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE); $v_buffer = @fread($v_zip_temp_fd, $v_read_size); @fwrite($this->zip_fd, $v_buffer, $v_read_size); $v_size -= $v_read_size; } // ----- Create the Central Dir files header for ($i=0, $v_count=0; $i<sizeof($v_header_list); $i++) { // ----- Create the file header if ($v_header_list[$i]['status'] == 'ok') { if (($v_result = $this->privWriteCentralFileHeader($v_header_list[$i])) != 1) { fclose($v_zip_temp_fd); $this->privCloseFd(); @unlink($v_zip_temp_name); $this->privSwapBackMagicQuotes(); // ----- Return return $v_result; } $v_count++; } // ----- Transform the header to a 'usable' info $this->privConvertHeader2FileInfo($v_header_list[$i], $p_result_list[$i]); } // ----- Zip file comment $v_comment = $v_central_dir['comment']; if (isset($p_options[PCLZIP_OPT_COMMENT])) { $v_comment = $p_options[PCLZIP_OPT_COMMENT]; } if (isset($p_options[PCLZIP_OPT_ADD_COMMENT])) { $v_comment = $v_comment.$p_options[PCLZIP_OPT_ADD_COMMENT]; } if (isset($p_options[PCLZIP_OPT_PREPEND_COMMENT])) { $v_comment = $p_options[PCLZIP_OPT_PREPEND_COMMENT].$v_comment; } // ----- Calculate the size of the central header $v_size = @ftell($this->zip_fd)-$v_offset; // ----- Create the central dir footer if (($v_result = $this->privWriteCentralHeader($v_count+$v_central_dir['entries'], $v_size, $v_offset, $v_comment)) != 1) { // ----- Reset the file list unset($v_header_list); $this->privSwapBackMagicQuotes(); // ----- Return return $v_result; } // ----- Swap back the file descriptor $v_swap = $this->zip_fd; $this->zip_fd = $v_zip_temp_fd; $v_zip_temp_fd = $v_swap; // ----- Close $this->privCloseFd(); // ----- Close the temporary file @fclose($v_zip_temp_fd); // ----- Magic quotes trick $this->privSwapBackMagicQuotes(); // ----- Delete the zip file // TBC : I should test the result ... @unlink($this->zipname); // ----- Rename the temporary file // TBC : I should test the result ... //@rename($v_zip_temp_name, $this->zipname); PclZipUtilRename($v_zip_temp_name, $this->zipname); // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privOpenFd() // Description : // Parameters : // -------------------------------------------------------------------------------- function privOpenFd($p_mode) { $v_result=1; // ----- Look if already open if ($this->zip_fd != 0) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Zip file \''.$this->zipname.'\' already open'); // ----- Return return PclZip::errorCode(); } // ----- Open the zip file if (($this->zip_fd = @fopen($this->zipname, $p_mode)) == 0) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open archive \''.$this->zipname.'\' in '.$p_mode.' mode'); // ----- Return return PclZip::errorCode(); } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privCloseFd() // Description : // Parameters : // -------------------------------------------------------------------------------- function privCloseFd() { $v_result=1; if ($this->zip_fd != 0) @fclose($this->zip_fd); $this->zip_fd = 0; // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privAddList() // Description : // $p_add_dir and $p_remove_dir will give the ability to memorize a path which is // different from the real path of the file. This is useful if you want to have PclTar // running in any directory, and memorize relative path from an other directory. // Parameters : // $p_list : An array containing the file or directory names to add in the tar // $p_result_list : list of added files with their properties (specially the status field) // $p_add_dir : Path to add in the filename path archived // $p_remove_dir : Path to remove in the filename path archived // Return Values : // -------------------------------------------------------------------------------- // function privAddList($p_list, &$p_result_list, $p_add_dir, $p_remove_dir, $p_remove_all_dir, &$p_options) function privAddList($p_filedescr_list, &$p_result_list, &$p_options) { $v_result=1; // ----- Add the files $v_header_list = array(); if (($v_result = $this->privAddFileList($p_filedescr_list, $v_header_list, $p_options)) != 1) { // ----- Return return $v_result; } // ----- Store the offset of the central dir $v_offset = @ftell($this->zip_fd); // ----- Create the Central Dir files header for ($i=0,$v_count=0; $i<sizeof($v_header_list); $i++) { // ----- Create the file header if ($v_header_list[$i]['status'] == 'ok') { if (($v_result = $this->privWriteCentralFileHeader($v_header_list[$i])) != 1) { // ----- Return return $v_result; } $v_count++; } // ----- Transform the header to a 'usable' info $this->privConvertHeader2FileInfo($v_header_list[$i], $p_result_list[$i]); } // ----- Zip file comment $v_comment = ''; if (isset($p_options[PCLZIP_OPT_COMMENT])) { $v_comment = $p_options[PCLZIP_OPT_COMMENT]; } // ----- Calculate the size of the central header $v_size = @ftell($this->zip_fd)-$v_offset; // ----- Create the central dir footer if (($v_result = $this->privWriteCentralHeader($v_count, $v_size, $v_offset, $v_comment)) != 1) { // ----- Reset the file list unset($v_header_list); // ----- Return return $v_result; } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privAddFileList() // Description : // Parameters : // $p_filedescr_list : An array containing the file description // or directory names to add in the zip // $p_result_list : list of added files with their properties (specially the status field) // Return Values : // -------------------------------------------------------------------------------- function privAddFileList($p_filedescr_list, &$p_result_list, &$p_options) { $v_result=1; $v_header = array(); // ----- Recuperate the current number of elt in list $v_nb = sizeof($p_result_list); // ----- Loop on the files for ($j=0; ($j<sizeof($p_filedescr_list)) && ($v_result==1); $j++) { // ----- Format the filename $p_filedescr_list[$j]['filename'] = PclZipUtilTranslateWinPath($p_filedescr_list[$j]['filename'], false); // ----- Skip empty file names // TBC : Can this be possible ? not checked in DescrParseAtt ? if ($p_filedescr_list[$j]['filename'] == "") { continue; } // ----- Check the filename if ( ($p_filedescr_list[$j]['type'] != 'virtual_file') && (!file_exists($p_filedescr_list[$j]['filename']))) { PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE, "File '".$p_filedescr_list[$j]['filename']."' does not exist"); return PclZip::errorCode(); } // ----- Look if it is a file or a dir with no all path remove option // or a dir with all its path removed // if ( (is_file($p_filedescr_list[$j]['filename'])) // || ( is_dir($p_filedescr_list[$j]['filename']) if ( ($p_filedescr_list[$j]['type'] == 'file') || ($p_filedescr_list[$j]['type'] == 'virtual_file') || ( ($p_filedescr_list[$j]['type'] == 'folder') && ( !isset($p_options[PCLZIP_OPT_REMOVE_ALL_PATH]) || !$p_options[PCLZIP_OPT_REMOVE_ALL_PATH])) ) { // ----- Add the file $v_result = $this->privAddFile($p_filedescr_list[$j], $v_header, $p_options); if ($v_result != 1) { return $v_result; } // ----- Store the file infos $p_result_list[$v_nb++] = $v_header; } } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privAddFile() // Description : // Parameters : // Return Values : // -------------------------------------------------------------------------------- function privAddFile($p_filedescr, &$p_header, &$p_options) { $v_result=1; // ----- Working variable $p_filename = $p_filedescr['filename']; // TBC : Already done in the fileAtt check ... ? if ($p_filename == "") { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid file list parameter (invalid or empty list)"); // ----- Return return PclZip::errorCode(); } // ----- Look for a stored different filename /* TBC : Removed if (isset($p_filedescr['stored_filename'])) { $v_stored_filename = $p_filedescr['stored_filename']; } else { $v_stored_filename = $p_filedescr['stored_filename']; } */ // ----- Set the file properties clearstatcache(); $p_header['version'] = 20; $p_header['version_extracted'] = 10; $p_header['flag'] = 0; $p_header['compression'] = 0; $p_header['crc'] = 0; $p_header['compressed_size'] = 0; $p_header['filename_len'] = strlen($p_filename); $p_header['extra_len'] = 0; $p_header['disk'] = 0; $p_header['internal'] = 0; $p_header['offset'] = 0; $p_header['filename'] = $p_filename; // TBC : Removed $p_header['stored_filename'] = $v_stored_filename; $p_header['stored_filename'] = $p_filedescr['stored_filename']; $p_header['extra'] = ''; $p_header['status'] = 'ok'; $p_header['index'] = -1; // ----- Look for regular file if ($p_filedescr['type']=='file') { $p_header['external'] = 0x00000000; $p_header['size'] = filesize($p_filename); } // ----- Look for regular folder else if ($p_filedescr['type']=='folder') { $p_header['external'] = 0x00000010; $p_header['mtime'] = filemtime($p_filename); $p_header['size'] = filesize($p_filename); } // ----- Look for virtual file else if ($p_filedescr['type'] == 'virtual_file') { $p_header['external'] = 0x00000000; $p_header['size'] = strlen($p_filedescr['content']); } // ----- Look for filetime if (isset($p_filedescr['mtime'])) { $p_header['mtime'] = $p_filedescr['mtime']; } else if ($p_filedescr['type'] == 'virtual_file') { $p_header['mtime'] = time(); } else { $p_header['mtime'] = filemtime($p_filename); } // ------ Look for file comment if (isset($p_filedescr['comment'])) { $p_header['comment_len'] = strlen($p_filedescr['comment']); $p_header['comment'] = $p_filedescr['comment']; } else { $p_header['comment_len'] = 0; $p_header['comment'] = ''; } // ----- Look for pre-add callback if (isset($p_options[PCLZIP_CB_PRE_ADD])) { // ----- Generate a local information $v_local_header = array(); $this->privConvertHeader2FileInfo($p_header, $v_local_header); // ----- Call the callback // Here I do not use call_user_func() because I need to send a reference to the // header. $v_result = $p_options[PCLZIP_CB_PRE_ADD](PCLZIP_CB_PRE_ADD, $v_local_header); if ($v_result == 0) { // ----- Change the file status $p_header['status'] = "skipped"; $v_result = 1; } // ----- Update the information // Only some fields can be modified if ($p_header['stored_filename'] != $v_local_header['stored_filename']) { $p_header['stored_filename'] = PclZipUtilPathReduction($v_local_header['stored_filename']); } } // ----- Look for empty stored filename if ($p_header['stored_filename'] == "") { $p_header['status'] = "filtered"; } // ----- Check the path length if (strlen($p_header['stored_filename']) > 0xFF) { $p_header['status'] = 'filename_too_long'; } // ----- Look if no error, or file not skipped if ($p_header['status'] == 'ok') { // ----- Look for a file if ($p_filedescr['type'] == 'file') { // ----- Look for using temporary file to zip if ( (!isset($p_options[PCLZIP_OPT_TEMP_FILE_OFF])) && (isset($p_options[PCLZIP_OPT_TEMP_FILE_ON]) || (isset($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD]) && ($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] <= $p_header['size'])) ) ) { $v_result = $this->privAddFileUsingTempFile($p_filedescr, $p_header, $p_options); if ($v_result < PCLZIP_ERR_NO_ERROR) { return $v_result; } } // ----- Use "in memory" zip algo else { // ----- Open the source file if (($v_file = @fopen($p_filename, "rb")) == 0) { PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, "Unable to open file '$p_filename' in binary read mode"); return PclZip::errorCode(); } // ----- Read the file content if ($p_header['size'] > 0) { $v_content = @fread($v_file, $p_header['size']); } else { $v_content = ''; } // ----- Close the file @fclose($v_file); // ----- Calculate the CRC $p_header['crc'] = @crc32($v_content); // ----- Look for no compression if ($p_options[PCLZIP_OPT_NO_COMPRESSION]) { // ----- Set header parameters $p_header['compressed_size'] = $p_header['size']; $p_header['compression'] = 0; } // ----- Look for normal compression else { // ----- Compress the content $v_content = @gzdeflate($v_content); // ----- Set header parameters $p_header['compressed_size'] = strlen($v_content); $p_header['compression'] = 8; } // ----- Call the header generation if (($v_result = $this->privWriteFileHeader($p_header)) != 1) { @fclose($v_file); return $v_result; } // ----- Write the compressed (or not) content @fwrite($this->zip_fd, $v_content, $p_header['compressed_size']); } } // ----- Look for a virtual file (a file from string) else if ($p_filedescr['type'] == 'virtual_file') { $v_content = $p_filedescr['content']; // ----- Calculate the CRC $p_header['crc'] = @crc32($v_content); // ----- Look for no compression if ($p_options[PCLZIP_OPT_NO_COMPRESSION]) { // ----- Set header parameters $p_header['compressed_size'] = $p_header['size']; $p_header['compression'] = 0; } // ----- Look for normal compression else { // ----- Compress the content $v_content = @gzdeflate($v_content); // ----- Set header parameters $p_header['compressed_size'] = strlen($v_content); $p_header['compression'] = 8; } // ----- Call the header generation if (($v_result = $this->privWriteFileHeader($p_header)) != 1) { @fclose($v_file); return $v_result; } // ----- Write the compressed (or not) content @fwrite($this->zip_fd, $v_content, $p_header['compressed_size']); } // ----- Look for a directory else if ($p_filedescr['type'] == 'folder') { // ----- Look for directory last '/' if (@substr($p_header['stored_filename'], -1) != '/') { $p_header['stored_filename'] .= '/'; } // ----- Set the file properties $p_header['size'] = 0; //$p_header['external'] = 0x41FF0010; // Value for a folder : to be checked $p_header['external'] = 0x00000010; // Value for a folder : to be checked // ----- Call the header generation if (($v_result = $this->privWriteFileHeader($p_header)) != 1) { return $v_result; } } } // ----- Look for post-add callback if (isset($p_options[PCLZIP_CB_POST_ADD])) { // ----- Generate a local information $v_local_header = array(); $this->privConvertHeader2FileInfo($p_header, $v_local_header); // ----- Call the callback // Here I do not use call_user_func() because I need to send a reference to the // header. $v_result = $p_options[PCLZIP_CB_POST_ADD](PCLZIP_CB_POST_ADD, $v_local_header); if ($v_result == 0) { // ----- Ignored $v_result = 1; } // ----- Update the information // Nothing can be modified } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privAddFileUsingTempFile() // Description : // Parameters : // Return Values : // -------------------------------------------------------------------------------- function privAddFileUsingTempFile($p_filedescr, &$p_header, &$p_options) { $v_result=PCLZIP_ERR_NO_ERROR; // ----- Working variable $p_filename = $p_filedescr['filename']; // ----- Open the source file if (($v_file = @fopen($p_filename, "rb")) == 0) { PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, "Unable to open file '$p_filename' in binary read mode"); return PclZip::errorCode(); } // ----- Creates a compressed temporary file $v_gzip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.gz'; if (($v_file_compressed = @gzopen($v_gzip_temp_name, "wb")) == 0) { fclose($v_file); PclZip::privErrorLog(PCLZIP_ERR_WRITE_OPEN_FAIL, 'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary write mode'); return PclZip::errorCode(); } // ----- Read the file by PCLZIP_READ_BLOCK_SIZE octets blocks $v_size = filesize($p_filename); while ($v_size != 0) { $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE); $v_buffer = @fread($v_file, $v_read_size); //$v_binary_data = pack('a'.$v_read_size, $v_buffer); @gzputs($v_file_compressed, $v_buffer, $v_read_size); $v_size -= $v_read_size; } // ----- Close the file @fclose($v_file); @gzclose($v_file_compressed); // ----- Check the minimum file size if (filesize($v_gzip_temp_name) < 18) { PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'gzip temporary file \''.$v_gzip_temp_name.'\' has invalid filesize - should be minimum 18 bytes'); return PclZip::errorCode(); } // ----- Extract the compressed attributes if (($v_file_compressed = @fopen($v_gzip_temp_name, "rb")) == 0) { PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary read mode'); return PclZip::errorCode(); } // ----- Read the gzip file header $v_binary_data = @fread($v_file_compressed, 10); $v_data_header = unpack('a1id1/a1id2/a1cm/a1flag/Vmtime/a1xfl/a1os', $v_binary_data); // ----- Check some parameters $v_data_header['os'] = bin2hex($v_data_header['os']); // ----- Read the gzip file footer @fseek($v_file_compressed, filesize($v_gzip_temp_name)-8); $v_binary_data = @fread($v_file_compressed, 8); $v_data_footer = unpack('Vcrc/Vcompressed_size', $v_binary_data); // ----- Set the attributes $p_header['compression'] = ord($v_data_header['cm']); //$p_header['mtime'] = $v_data_header['mtime']; $p_header['crc'] = $v_data_footer['crc']; $p_header['compressed_size'] = filesize($v_gzip_temp_name)-18; // ----- Close the file @fclose($v_file_compressed); // ----- Call the header generation if (($v_result = $this->privWriteFileHeader($p_header)) != 1) { return $v_result; } // ----- Add the compressed data if (($v_file_compressed = @fopen($v_gzip_temp_name, "rb")) == 0) { PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary read mode'); return PclZip::errorCode(); } // ----- Read the file by PCLZIP_READ_BLOCK_SIZE octets blocks fseek($v_file_compressed, 10); $v_size = $p_header['compressed_size']; while ($v_size != 0) { $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE); $v_buffer = @fread($v_file_compressed, $v_read_size); //$v_binary_data = pack('a'.$v_read_size, $v_buffer); @fwrite($this->zip_fd, $v_buffer, $v_read_size); $v_size -= $v_read_size; } // ----- Close the file @fclose($v_file_compressed); // ----- Unlink the temporary file @unlink($v_gzip_temp_name); // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privCalculateStoredFilename() // Description : // Based on file descriptor properties and global options, this method // calculate the filename that will be stored in the archive. // Parameters : // Return Values : // -------------------------------------------------------------------------------- function privCalculateStoredFilename(&$p_filedescr, &$p_options) { $v_result=1; // ----- Working variables $p_filename = $p_filedescr['filename']; if (isset($p_options[PCLZIP_OPT_ADD_PATH])) { $p_add_dir = $p_options[PCLZIP_OPT_ADD_PATH]; } else { $p_add_dir = ''; } if (isset($p_options[PCLZIP_OPT_REMOVE_PATH])) { $p_remove_dir = $p_options[PCLZIP_OPT_REMOVE_PATH]; } else { $p_remove_dir = ''; } if (isset($p_options[PCLZIP_OPT_REMOVE_ALL_PATH])) { $p_remove_all_dir = $p_options[PCLZIP_OPT_REMOVE_ALL_PATH]; } else { $p_remove_all_dir = 0; } // ----- Look for full name change if (isset($p_filedescr['new_full_name'])) { // ----- Remove drive letter if any $v_stored_filename = PclZipUtilTranslateWinPath($p_filedescr['new_full_name']); } // ----- Look for path and/or short name change else { // ----- Look for short name change // Its when we change just the filename but not the path if (isset($p_filedescr['new_short_name'])) { $v_path_info = pathinfo($p_filename); $v_dir = ''; if ($v_path_info['dirname'] != '') { $v_dir = $v_path_info['dirname'].'/'; } $v_stored_filename = $v_dir.$p_filedescr['new_short_name']; } else { // ----- Calculate the stored filename $v_stored_filename = $p_filename; } // ----- Look for all path to remove if ($p_remove_all_dir) { $v_stored_filename = basename($p_filename); } // ----- Look for partial path remove else if ($p_remove_dir != "") { if (substr($p_remove_dir, -1) != '/') $p_remove_dir .= "/"; if ( (substr($p_filename, 0, 2) == "./") || (substr($p_remove_dir, 0, 2) == "./")) { if ( (substr($p_filename, 0, 2) == "./") && (substr($p_remove_dir, 0, 2) != "./")) { $p_remove_dir = "./".$p_remove_dir; } if ( (substr($p_filename, 0, 2) != "./") && (substr($p_remove_dir, 0, 2) == "./")) { $p_remove_dir = substr($p_remove_dir, 2); } } $v_compare = PclZipUtilPathInclusion($p_remove_dir, $v_stored_filename); if ($v_compare > 0) { if ($v_compare == 2) { $v_stored_filename = ""; } else { $v_stored_filename = substr($v_stored_filename, strlen($p_remove_dir)); } } } // ----- Remove drive letter if any $v_stored_filename = PclZipUtilTranslateWinPath($v_stored_filename); // ----- Look for path to add 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; } } // ----- Filename (reduce the path of stored name) $v_stored_filename = PclZipUtilPathReduction($v_stored_filename); $p_filedescr['stored_filename'] = $v_stored_filename; // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privWriteFileHeader() // Description : // Parameters : // Return Values : // -------------------------------------------------------------------------------- function privWriteFileHeader(&$p_header) { $v_result=1; // ----- Store the offset position of the file $p_header['offset'] = ftell($this->zip_fd); // ----- Transform UNIX mtime to DOS format mdate/mtime $v_date = getdate($p_header['mtime']); $v_mtime = ($v_date['hours']<<11) + ($v_date['minutes']<<5) + $v_date['seconds']/2; $v_mdate = (($v_date['year']-1980)<<9) + ($v_date['mon']<<5) + $v_date['mday']; // ----- Packed data $v_binary_data = pack("VvvvvvVVVvv", 0x04034b50, $p_header['version_extracted'], $p_header['flag'], $p_header['compression'], $v_mtime, $v_mdate, $p_header['crc'], $p_header['compressed_size'], $p_header['size'], strlen($p_header['stored_filename']), $p_header['extra_len']); // ----- Write the first 148 bytes of the header in the archive fputs($this->zip_fd, $v_binary_data, 30); // ----- Write the variable fields if (strlen($p_header['stored_filename']) != 0) { fputs($this->zip_fd, $p_header['stored_filename'], strlen($p_header['stored_filename'])); } if ($p_header['extra_len'] != 0) { fputs($this->zip_fd, $p_header['extra'], $p_header['extra_len']); } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privWriteCentralFileHeader() // Description : // Parameters : // Return Values : // -------------------------------------------------------------------------------- function privWriteCentralFileHeader(&$p_header) { $v_result=1; // TBC //for(reset($p_header); $key = key($p_header); next($p_header)) { //} // ----- Transform UNIX mtime to DOS format mdate/mtime $v_date = getdate($p_header['mtime']); $v_mtime = ($v_date['hours']<<11) + ($v_date['minutes']<<5) + $v_date['seconds']/2; $v_mdate = (($v_date['year']-1980)<<9) + ($v_date['mon']<<5) + $v_date['mday']; // ----- Packed data $v_binary_data = pack("VvvvvvvVVVvvvvvVV", 0x02014b50, $p_header['version'], $p_header['version_extracted'], $p_header['flag'], $p_header['compression'], $v_mtime, $v_mdate, $p_header['crc'], $p_header['compressed_size'], $p_header['size'], strlen($p_header['stored_filename']), $p_header['extra_len'], $p_header['comment_len'], $p_header['disk'], $p_header['internal'], $p_header['external'], $p_header['offset']); // ----- Write the 42 bytes of the header in the zip file fputs($this->zip_fd, $v_binary_data, 46); // ----- Write the variable fields if (strlen($p_header['stored_filename']) != 0) { fputs($this->zip_fd, $p_header['stored_filename'], strlen($p_header['stored_filename'])); } if ($p_header['extra_len'] != 0) { fputs($this->zip_fd, $p_header['extra'], $p_header['extra_len']); } if ($p_header['comment_len'] != 0) { fputs($this->zip_fd, $p_header['comment'], $p_header['comment_len']); } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privWriteCentralHeader() // Description : // Parameters : // Return Values : // -------------------------------------------------------------------------------- function privWriteCentralHeader($p_nb_entries, $p_size, $p_offset, $p_comment) { $v_result=1; // ----- Packed data $v_binary_data = pack("VvvvvVVv", 0x06054b50, 0, 0, $p_nb_entries, $p_nb_entries, $p_size, $p_offset, strlen($p_comment)); // ----- Write the 22 bytes of the header in the zip file fputs($this->zip_fd, $v_binary_data, 22); // ----- Write the variable fields if (strlen($p_comment) != 0) { fputs($this->zip_fd, $p_comment, strlen($p_comment)); } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privList() // Description : // Parameters : // Return Values : // -------------------------------------------------------------------------------- function privList(&$p_list) { $v_result=1; // ----- Magic quotes trick $this->privDisableMagicQuotes(); // ----- Open the zip file if (($this->zip_fd = @fopen($this->zipname, 'rb')) == 0) { // ----- Magic quotes trick $this->privSwapBackMagicQuotes(); // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open archive \''.$this->zipname.'\' in binary read mode'); // ----- Return return PclZip::errorCode(); } // ----- Read the central directory information $v_central_dir = array(); if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1) { $this->privSwapBackMagicQuotes(); return $v_result; } // ----- Go to beginning of Central Dir @rewind($this->zip_fd); if (@fseek($this->zip_fd, $v_central_dir['offset'])) { $this->privSwapBackMagicQuotes(); // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size'); // ----- Return return PclZip::errorCode(); } // ----- Read each entry for ($i=0; $i<$v_central_dir['entries']; $i++) { // ----- Read the file header if (($v_result = $this->privReadCentralFileHeader($v_header)) != 1) { $this->privSwapBackMagicQuotes(); return $v_result; } $v_header['index'] = $i; // ----- Get the only interesting attributes $this->privConvertHeader2FileInfo($v_header, $p_list[$i]); unset($v_header); } // ----- Close the zip file $this->privCloseFd(); // ----- Magic quotes trick $this->privSwapBackMagicQuotes(); // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privConvertHeader2FileInfo() // Description : // This function takes the file information from the central directory // entries and extract the interesting parameters that will be given back. // The resulting file infos are set in the array $p_info // $p_info['filename'] : Filename with full path. Given by user (add), // extracted in the filesystem (extract). // $p_info['stored_filename'] : Stored filename in the archive. // $p_info['size'] = Size of the file. // $p_info['compressed_size'] = Compressed size of the file. // $p_info['mtime'] = Last modification date of the file. // $p_info['comment'] = Comment associated with the file. // $p_info['folder'] = true/false : indicates if the entry is a folder or not. // $p_info['status'] = status of the action on the file. // $p_info['crc'] = CRC of the file content. // Parameters : // Return Values : // -------------------------------------------------------------------------------- function privConvertHeader2FileInfo($p_header, &$p_info) { $v_result=1; // ----- Get the interesting attributes $v_temp_path = PclZipUtilPathReduction($p_header['filename']); $p_info['filename'] = $v_temp_path; $v_temp_path = PclZipUtilPathReduction($p_header['stored_filename']); $p_info['stored_filename'] = $v_temp_path; $p_info['size'] = $p_header['size']; $p_info['compressed_size'] = $p_header['compressed_size']; $p_info['mtime'] = $p_header['mtime']; $p_info['comment'] = $p_header['comment']; $p_info['folder'] = (($p_header['external']&0x00000010)==0x00000010); $p_info['index'] = $p_header['index']; $p_info['status'] = $p_header['status']; $p_info['crc'] = $p_header['crc']; // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privExtractByRule() // Description : // Extract a file or directory depending of rules (by index, by name, ...) // Parameters : // $p_file_list : An array where will be placed the properties of each // extracted file // $p_path : Path to add while writing the extracted files // $p_remove_path : Path to remove (from the file memorized path) while writing the // extracted files. If the path does not match the file path, // the file is extracted with its memorized path. // $p_remove_path does not apply to 'list' mode. // $p_path and $p_remove_path are commulative. // Return Values : // 1 on success,0 or less on error (see error code list) // -------------------------------------------------------------------------------- function privExtractByRule(&$p_file_list, $p_path, $p_remove_path, $p_remove_all_path, &$p_options) { $v_result=1; // ----- Magic quotes trick $this->privDisableMagicQuotes(); // ----- Check the path if ( ($p_path == "") || ( (substr($p_path, 0, 1) != "/") && (substr($p_path, 0, 3) != "../") && (substr($p_path,1,2)!=":/"))) $p_path = "./".$p_path; // ----- Reduce the path last (and duplicated) '/' if (($p_path != "./") && ($p_path != "/")) { // ----- Look for the path end '/' while (substr($p_path, -1) == "/") { $p_path = substr($p_path, 0, strlen($p_path)-1); } } // ----- Look for path to remove format (should end by /) if (($p_remove_path != "") && (substr($p_remove_path, -1) != '/')) { $p_remove_path .= '/'; } $p_remove_path_size = strlen($p_remove_path); // ----- Open the zip file if (($v_result = $this->privOpenFd('rb')) != 1) { $this->privSwapBackMagicQuotes(); return $v_result; } // ----- Read the central directory information $v_central_dir = array(); if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1) { // ----- Close the zip file $this->privCloseFd(); $this->privSwapBackMagicQuotes(); return $v_result; } // ----- Start at beginning of Central Dir $v_pos_entry = $v_central_dir['offset']; // ----- Read each entry $j_start = 0; for ($i=0, $v_nb_extracted=0; $i<$v_central_dir['entries']; $i++) { // ----- Read next Central dir entry @rewind($this->zip_fd); if (@fseek($this->zip_fd, $v_pos_entry)) { // ----- Close the zip file $this->privCloseFd(); $this->privSwapBackMagicQuotes(); // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size'); // ----- Return return PclZip::errorCode(); } // ----- Read the file header $v_header = array(); if (($v_result = $this->privReadCentralFileHeader($v_header)) != 1) { // ----- Close the zip file $this->privCloseFd(); $this->privSwapBackMagicQuotes(); return $v_result; } // ----- Store the index $v_header['index'] = $i; // ----- Store the file position $v_pos_entry = ftell($this->zip_fd); // ----- Look for the specific extract rules $v_extract = false; // ----- Look for extract by name rule if ( (isset($p_options[PCLZIP_OPT_BY_NAME])) && ($p_options[PCLZIP_OPT_BY_NAME] != 0)) { // ----- Look if the filename is in the list for ($j=0; ($j<sizeof($p_options[PCLZIP_OPT_BY_NAME])) && (!$v_extract); $j++) { // ----- Look for a directory if (substr($p_options[PCLZIP_OPT_BY_NAME][$j], -1) == "/") { // ----- Look if the directory is in the filename path if ( (strlen($v_header['stored_filename']) > strlen($p_options[PCLZIP_OPT_BY_NAME][$j])) && (substr($v_header['stored_filename'], 0, strlen($p_options[PCLZIP_OPT_BY_NAME][$j])) == $p_options[PCLZIP_OPT_BY_NAME][$j])) { $v_extract = true; } } // ----- Look for a filename elseif ($v_header['stored_filename'] == $p_options[PCLZIP_OPT_BY_NAME][$j]) { $v_extract = true; } } } // ----- Look for extract by ereg rule // ereg() is deprecated with PHP 5.3 /* else if ( (isset($p_options[PCLZIP_OPT_BY_EREG])) && ($p_options[PCLZIP_OPT_BY_EREG] != "")) { if (ereg($p_options[PCLZIP_OPT_BY_EREG], $v_header['stored_filename'])) { $v_extract = true; } } */ // ----- Look for extract by preg rule else if ( (isset($p_options[PCLZIP_OPT_BY_PREG])) && ($p_options[PCLZIP_OPT_BY_PREG] != "")) { if (preg_match($p_options[PCLZIP_OPT_BY_PREG], $v_header['stored_filename'])) { $v_extract = true; } } // ----- Look for extract by index rule else if ( (isset($p_options[PCLZIP_OPT_BY_INDEX])) && ($p_options[PCLZIP_OPT_BY_INDEX] != 0)) { // ----- Look if the index is in the list for ($j=$j_start; ($j<sizeof($p_options[PCLZIP_OPT_BY_INDEX])) && (!$v_extract); $j++) { if (($i>=$p_options[PCLZIP_OPT_BY_INDEX][$j]['start']) && ($i<=$p_options[PCLZIP_OPT_BY_INDEX][$j]['end'])) { $v_extract = true; } if ($i>=$p_options[PCLZIP_OPT_BY_INDEX][$j]['end']) { $j_start = $j+1; } if ($p_options[PCLZIP_OPT_BY_INDEX][$j]['start']>$i) { break; } } } // ----- Look for no rule, which means extract all the archive else { $v_extract = true; } // ----- Check compression method if ( ($v_extract) && ( ($v_header['compression'] != 8) && ($v_header['compression'] != 0))) { $v_header['status'] = 'unsupported_compression'; // ----- Look for PCLZIP_OPT_STOP_ON_ERROR if ( (isset($p_options[PCLZIP_OPT_STOP_ON_ERROR])) && ($p_options[PCLZIP_OPT_STOP_ON_ERROR]===true)) { $this->privSwapBackMagicQuotes(); PclZip::privErrorLog(PCLZIP_ERR_UNSUPPORTED_COMPRESSION, "Filename '".$v_header['stored_filename']."' is " ."compressed by an unsupported compression " ."method (".$v_header['compression'].") "); return PclZip::errorCode(); } } // ----- Check encrypted files if (($v_extract) && (($v_header['flag'] & 1) == 1)) { $v_header['status'] = 'unsupported_encryption'; // ----- Look for PCLZIP_OPT_STOP_ON_ERROR if ( (isset($p_options[PCLZIP_OPT_STOP_ON_ERROR])) && ($p_options[PCLZIP_OPT_STOP_ON_ERROR]===true)) { $this->privSwapBackMagicQuotes(); PclZip::privErrorLog(PCLZIP_ERR_UNSUPPORTED_ENCRYPTION, "Unsupported encryption for " ." filename '".$v_header['stored_filename'] ."'"); return PclZip::errorCode(); } } // ----- Look for real extraction if (($v_extract) && ($v_header['status'] != 'ok')) { $v_result = $this->privConvertHeader2FileInfo($v_header, $p_file_list[$v_nb_extracted++]); if ($v_result != 1) { $this->privCloseFd(); $this->privSwapBackMagicQuotes(); return $v_result; } $v_extract = false; } // ----- Look for real extraction if ($v_extract) { // ----- Go to the file position @rewind($this->zip_fd); if (@fseek($this->zip_fd, $v_header['offset'])) { // ----- Close the zip file $this->privCloseFd(); $this->privSwapBackMagicQuotes(); // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size'); // ----- Return return PclZip::errorCode(); } // ----- Look for extraction as string if ($p_options[PCLZIP_OPT_EXTRACT_AS_STRING]) { $v_string = ''; // ----- Extracting the file $v_result1 = $this->privExtractFileAsString($v_header, $v_string, $p_options); if ($v_result1 < 1) { $this->privCloseFd(); $this->privSwapBackMagicQuotes(); return $v_result1; } // ----- Get the only interesting attributes if (($v_result = $this->privConvertHeader2FileInfo($v_header, $p_file_list[$v_nb_extracted])) != 1) { // ----- Close the zip file $this->privCloseFd(); $this->privSwapBackMagicQuotes(); return $v_result; } // ----- Set the file content $p_file_list[$v_nb_extracted]['content'] = $v_string; // ----- Next extracted file $v_nb_extracted++; // ----- Look for user callback abort if ($v_result1 == 2) { break; } } // ----- Look for extraction in standard output elseif ( (isset($p_options[PCLZIP_OPT_EXTRACT_IN_OUTPUT])) && ($p_options[PCLZIP_OPT_EXTRACT_IN_OUTPUT])) { // ----- Extracting the file in standard output $v_result1 = $this->privExtractFileInOutput($v_header, $p_options); if ($v_result1 < 1) { $this->privCloseFd(); $this->privSwapBackMagicQuotes(); return $v_result1; } // ----- Get the only interesting attributes if (($v_result = $this->privConvertHeader2FileInfo($v_header, $p_file_list[$v_nb_extracted++])) != 1) { $this->privCloseFd(); $this->privSwapBackMagicQuotes(); return $v_result; } // ----- Look for user callback abort if ($v_result1 == 2) { break; } } // ----- Look for normal extraction else { // ----- Extracting the file $v_result1 = $this->privExtractFile($v_header, $p_path, $p_remove_path, $p_remove_all_path, $p_options); if ($v_result1 < 1) { $this->privCloseFd(); $this->privSwapBackMagicQuotes(); return $v_result1; } // ----- Get the only interesting attributes if (($v_result = $this->privConvertHeader2FileInfo($v_header, $p_file_list[$v_nb_extracted++])) != 1) { // ----- Close the zip file $this->privCloseFd(); $this->privSwapBackMagicQuotes(); return $v_result; } // ----- Look for user callback abort if ($v_result1 == 2) { break; } } } } // ----- Close the zip file $this->privCloseFd(); $this->privSwapBackMagicQuotes(); // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privExtractFile() // Description : // Parameters : // Return Values : // // 1 : ... ? // PCLZIP_ERR_USER_ABORTED(2) : User ask for extraction stop in callback // -------------------------------------------------------------------------------- function privExtractFile(&$p_entry, $p_path, $p_remove_path, $p_remove_all_path, &$p_options) { $v_result=1; // ----- Read the file header if (($v_result = $this->privReadFileHeader($v_header)) != 1) { // ----- Return return $v_result; } // ----- Check that the file header is coherent with $p_entry info if ($this->privCheckFileHeaders($v_header, $p_entry) != 1) { // TBC } // ----- Look for all path to remove if ($p_remove_all_path == true) { // ----- Look for folder entry that not need to be extracted if (($p_entry['external']&0x00000010)==0x00000010) { $p_entry['status'] = "filtered"; return $v_result; } // ----- Get the basename of the path $p_entry['filename'] = basename($p_entry['filename']); } // ----- Look for path to remove else if ($p_remove_path != "") { if (PclZipUtilPathInclusion($p_remove_path, $p_entry['filename']) == 2) { // ----- Change the file status $p_entry['status'] = "filtered"; // ----- Return return $v_result; } $p_remove_path_size = strlen($p_remove_path); if (substr($p_entry['filename'], 0, $p_remove_path_size) == $p_remove_path) { // ----- Remove the path $p_entry['filename'] = substr($p_entry['filename'], $p_remove_path_size); } } // ----- Add the path if ($p_path != '') { $p_entry['filename'] = $p_path."/".$p_entry['filename']; } // ----- Check a base_dir_restriction if (isset($p_options[PCLZIP_OPT_EXTRACT_DIR_RESTRICTION])) { $v_inclusion = PclZipUtilPathInclusion($p_options[PCLZIP_OPT_EXTRACT_DIR_RESTRICTION], $p_entry['filename']); if ($v_inclusion == 0) { PclZip::privErrorLog(PCLZIP_ERR_DIRECTORY_RESTRICTION, "Filename '".$p_entry['filename']."' is " ."outside PCLZIP_OPT_EXTRACT_DIR_RESTRICTION"); return PclZip::errorCode(); } } // ----- Look for pre-extract callback if (isset($p_options[PCLZIP_CB_PRE_EXTRACT])) { // ----- Generate a local information $v_local_header = array(); $this->privConvertHeader2FileInfo($p_entry, $v_local_header); // ----- Call the callback // Here I do not use call_user_func() because I need to send a reference to the // header. $v_result = $p_options[PCLZIP_CB_PRE_EXTRACT](PCLZIP_CB_PRE_EXTRACT, $v_local_header); if ($v_result == 0) { // ----- Change the file status $p_entry['status'] = "skipped"; $v_result = 1; } // ----- Look for abort result if ($v_result == 2) { // ----- This status is internal and will be changed in 'skipped' $p_entry['status'] = "aborted"; $v_result = PCLZIP_ERR_USER_ABORTED; } // ----- Update the information // Only some fields can be modified $p_entry['filename'] = $v_local_header['filename']; } // ----- Look if extraction should be done if ($p_entry['status'] == 'ok') { // ----- Look for specific actions while the file exist if (file_exists($p_entry['filename'])) { // ----- Look if file is a directory if (is_dir($p_entry['filename'])) { // ----- Change the file status $p_entry['status'] = "already_a_directory"; // ----- Look for PCLZIP_OPT_STOP_ON_ERROR // For historical reason first PclZip implementation does not stop // when this kind of error occurs. if ( (isset($p_options[PCLZIP_OPT_STOP_ON_ERROR])) && ($p_options[PCLZIP_OPT_STOP_ON_ERROR]===true)) { PclZip::privErrorLog(PCLZIP_ERR_ALREADY_A_DIRECTORY, "Filename '".$p_entry['filename']."' is " ."already used by an existing directory"); return PclZip::errorCode(); } } // ----- Look if file is write protected else if (!is_writeable($p_entry['filename'])) { // ----- Change the file status $p_entry['status'] = "write_protected"; // ----- Look for PCLZIP_OPT_STOP_ON_ERROR // For historical reason first PclZip implementation does not stop // when this kind of error occurs. if ( (isset($p_options[PCLZIP_OPT_STOP_ON_ERROR])) && ($p_options[PCLZIP_OPT_STOP_ON_ERROR]===true)) { PclZip::privErrorLog(PCLZIP_ERR_WRITE_OPEN_FAIL, "Filename '".$p_entry['filename']."' exists " ."and is write protected"); return PclZip::errorCode(); } } // ----- Look if the extracted file is older else if (filemtime($p_entry['filename']) > $p_entry['mtime']) { // ----- Change the file status if ( (isset($p_options[PCLZIP_OPT_REPLACE_NEWER])) && ($p_options[PCLZIP_OPT_REPLACE_NEWER]===true)) { } else { $p_entry['status'] = "newer_exist"; // ----- Look for PCLZIP_OPT_STOP_ON_ERROR // For historical reason first PclZip implementation does not stop // when this kind of error occurs. if ( (isset($p_options[PCLZIP_OPT_STOP_ON_ERROR])) && ($p_options[PCLZIP_OPT_STOP_ON_ERROR]===true)) { PclZip::privErrorLog(PCLZIP_ERR_WRITE_OPEN_FAIL, "Newer version of '".$p_entry['filename']."' exists " ."and option PCLZIP_OPT_REPLACE_NEWER is not selected"); return PclZip::errorCode(); } } } else { } } // ----- Check the directory availability and create it if necessary else { if ((($p_entry['external']&0x00000010)==0x00000010) || (substr($p_entry['filename'], -1) == '/')) $v_dir_to_check = $p_entry['filename']; else if (!strstr($p_entry['filename'], "/")) $v_dir_to_check = ""; else $v_dir_to_check = dirname($p_entry['filename']); if (($v_result = $this->privDirCheck($v_dir_to_check, (($p_entry['external']&0x00000010)==0x00000010))) != 1) { // ----- Change the file status $p_entry['status'] = "path_creation_fail"; // ----- Return //return $v_result; $v_result = 1; } } } // ----- Look if extraction should be done if ($p_entry['status'] == 'ok') { // ----- Do the extraction (if not a folder) if (!(($p_entry['external']&0x00000010)==0x00000010)) { // ----- Look for not compressed file if ($p_entry['compression'] == 0) { // ----- Opening destination file if (($v_dest_file = @fopen($p_entry['filename'], 'wb')) == 0) { // ----- Change the file status $p_entry['status'] = "write_error"; // ----- Return return $v_result; } // ----- Read the file by PCLZIP_READ_BLOCK_SIZE octets blocks $v_size = $p_entry['compressed_size']; while ($v_size != 0) { $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE); $v_buffer = @fread($this->zip_fd, $v_read_size); /* Try to speed up the code $v_binary_data = pack('a'.$v_read_size, $v_buffer); @fwrite($v_dest_file, $v_binary_data, $v_read_size); */ @fwrite($v_dest_file, $v_buffer, $v_read_size); $v_size -= $v_read_size; } // ----- Closing the destination file fclose($v_dest_file); // ----- Change the file mtime touch($p_entry['filename'], $p_entry['mtime']); } else { // ----- TBC // Need to be finished if (($p_entry['flag'] & 1) == 1) { PclZip::privErrorLog(PCLZIP_ERR_UNSUPPORTED_ENCRYPTION, 'File \''.$p_entry['filename'].'\' is encrypted. Encrypted files are not supported.'); return PclZip::errorCode(); } // ----- Look for using temporary file to unzip if ( (!isset($p_options[PCLZIP_OPT_TEMP_FILE_OFF])) && (isset($p_options[PCLZIP_OPT_TEMP_FILE_ON]) || (isset($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD]) && ($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] <= $p_entry['size'])) ) ) { $v_result = $this->privExtractFileUsingTempFile($p_entry, $p_options); if ($v_result < PCLZIP_ERR_NO_ERROR) { return $v_result; } } // ----- Look for extract in memory else { // ----- Read the compressed file in a buffer (one shot) if ($p_entry['compressed_size'] > 0) { $v_buffer = @fread($this->zip_fd, $p_entry['compressed_size']); } else { $v_buffer = ''; } // ----- Decompress the file $v_file_content = @gzinflate($v_buffer); unset($v_buffer); if ($v_file_content === FALSE) { // ----- Change the file status // TBC $p_entry['status'] = "error"; return $v_result; } // ----- Opening destination file if (($v_dest_file = @fopen($p_entry['filename'], 'wb')) == 0) { // ----- Change the file status $p_entry['status'] = "write_error"; return $v_result; } // ----- Write the uncompressed data @fwrite($v_dest_file, $v_file_content, $p_entry['size']); unset($v_file_content); // ----- Closing the destination file @fclose($v_dest_file); } // ----- Change the file mtime @touch($p_entry['filename'], $p_entry['mtime']); } // ----- Look for chmod option if (isset($p_options[PCLZIP_OPT_SET_CHMOD])) { // ----- Change the mode of the file @chmod($p_entry['filename'], $p_options[PCLZIP_OPT_SET_CHMOD]); } } } // ----- Change abort status if ($p_entry['status'] == "aborted") { $p_entry['status'] = "skipped"; } // ----- Look for post-extract callback elseif (isset($p_options[PCLZIP_CB_POST_EXTRACT])) { // ----- Generate a local information $v_local_header = array(); $this->privConvertHeader2FileInfo($p_entry, $v_local_header); // ----- Call the callback // Here I do not use call_user_func() because I need to send a reference to the // header. $v_result = $p_options[PCLZIP_CB_POST_EXTRACT](PCLZIP_CB_POST_EXTRACT, $v_local_header); // ----- Look for abort result if ($v_result == 2) { $v_result = PCLZIP_ERR_USER_ABORTED; } } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privExtractFileUsingTempFile() // Description : // Parameters : // Return Values : // -------------------------------------------------------------------------------- function privExtractFileUsingTempFile(&$p_entry, &$p_options) { $v_result=1; // ----- Creates a temporary file $v_gzip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.gz'; if (($v_dest_file = @fopen($v_gzip_temp_name, "wb")) == 0) { fclose($v_file); PclZip::privErrorLog(PCLZIP_ERR_WRITE_OPEN_FAIL, 'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary write mode'); return PclZip::errorCode(); } // ----- Write gz file format header $v_binary_data = pack('va1a1Va1a1', 0x8b1f, Chr($p_entry['compression']), Chr(0x00), time(), Chr(0x00), Chr(3)); @fwrite($v_dest_file, $v_binary_data, 10); // ----- Read the file by PCLZIP_READ_BLOCK_SIZE octets blocks $v_size = $p_entry['compressed_size']; while ($v_size != 0) { $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE); $v_buffer = @fread($this->zip_fd, $v_read_size); //$v_binary_data = pack('a'.$v_read_size, $v_buffer); @fwrite($v_dest_file, $v_buffer, $v_read_size); $v_size -= $v_read_size; } // ----- Write gz file format footer $v_binary_data = pack('VV', $p_entry['crc'], $p_entry['size']); @fwrite($v_dest_file, $v_binary_data, 8); // ----- Close the temporary file @fclose($v_dest_file); // ----- Opening destination file if (($v_dest_file = @fopen($p_entry['filename'], 'wb')) == 0) { $p_entry['status'] = "write_error"; return $v_result; } // ----- Open the temporary gz file if (($v_src_file = @gzopen($v_gzip_temp_name, 'rb')) == 0) { @fclose($v_dest_file); $p_entry['status'] = "read_error"; PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary read mode'); return PclZip::errorCode(); } // ----- Read the file by PCLZIP_READ_BLOCK_SIZE octets blocks $v_size = $p_entry['size']; while ($v_size != 0) { $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE); $v_buffer = @gzread($v_src_file, $v_read_size); //$v_binary_data = pack('a'.$v_read_size, $v_buffer); @fwrite($v_dest_file, $v_buffer, $v_read_size); $v_size -= $v_read_size; } @fclose($v_dest_file); @gzclose($v_src_file); // ----- Delete the temporary file @unlink($v_gzip_temp_name); // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privExtractFileInOutput() // Description : // Parameters : // Return Values : // -------------------------------------------------------------------------------- function privExtractFileInOutput(&$p_entry, &$p_options) { $v_result=1; // ----- Read the file header if (($v_result = $this->privReadFileHeader($v_header)) != 1) { return $v_result; } // ----- Check that the file header is coherent with $p_entry info if ($this->privCheckFileHeaders($v_header, $p_entry) != 1) { // TBC } // ----- Look for pre-extract callback if (isset($p_options[PCLZIP_CB_PRE_EXTRACT])) { // ----- Generate a local information $v_local_header = array(); $this->privConvertHeader2FileInfo($p_entry, $v_local_header); // ----- Call the callback // Here I do not use call_user_func() because I need to send a reference to the // header. // eval('$v_result = '.$p_options[PCLZIP_CB_PRE_EXTRACT].'(PCLZIP_CB_PRE_EXTRACT, $v_local_header);'); $v_result = $p_options[PCLZIP_CB_PRE_EXTRACT](PCLZIP_CB_PRE_EXTRACT, $v_local_header); if ($v_result == 0) { // ----- Change the file status $p_entry['status'] = "skipped"; $v_result = 1; } // ----- Look for abort result if ($v_result == 2) { // ----- This status is internal and will be changed in 'skipped' $p_entry['status'] = "aborted"; $v_result = PCLZIP_ERR_USER_ABORTED; } // ----- Update the information // Only some fields can be modified $p_entry['filename'] = $v_local_header['filename']; } // ----- Trace // ----- Look if extraction should be done if ($p_entry['status'] == 'ok') { // ----- Do the extraction (if not a folder) if (!(($p_entry['external']&0x00000010)==0x00000010)) { // ----- Look for not compressed file if ($p_entry['compressed_size'] == $p_entry['size']) { // ----- Read the file in a buffer (one shot) if ($p_entry['compressed_size'] > 0) { $v_buffer = @fread($this->zip_fd, $p_entry['compressed_size']); } else { $v_buffer = ''; } // ----- Send the file to the output echo $v_buffer; unset($v_buffer); } else { // ----- Read the compressed file in a buffer (one shot) if ($p_entry['compressed_size'] > 0) { $v_buffer = @fread($this->zip_fd, $p_entry['compressed_size']); } else { $v_buffer = ''; } // ----- Decompress the file $v_file_content = gzinflate($v_buffer); unset($v_buffer); // ----- Send the file to the output echo $v_file_content; unset($v_file_content); } } } // ----- Change abort status if ($p_entry['status'] == "aborted") { $p_entry['status'] = "skipped"; } // ----- Look for post-extract callback elseif (isset($p_options[PCLZIP_CB_POST_EXTRACT])) { // ----- Generate a local information $v_local_header = array(); $this->privConvertHeader2FileInfo($p_entry, $v_local_header); // ----- Call the callback // Here I do not use call_user_func() because I need to send a reference to the // header. $v_result = $p_options[PCLZIP_CB_POST_EXTRACT](PCLZIP_CB_POST_EXTRACT, $v_local_header); // ----- Look for abort result if ($v_result == 2) { $v_result = PCLZIP_ERR_USER_ABORTED; } } return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privExtractFileAsString() // Description : // Parameters : // Return Values : // -------------------------------------------------------------------------------- function privExtractFileAsString(&$p_entry, &$p_string, &$p_options) { $v_result=1; // ----- Read the file header $v_header = array(); if (($v_result = $this->privReadFileHeader($v_header)) != 1) { // ----- Return return $v_result; } // ----- Check that the file header is coherent with $p_entry info if ($this->privCheckFileHeaders($v_header, $p_entry) != 1) { // TBC } // ----- Look for pre-extract callback if (isset($p_options[PCLZIP_CB_PRE_EXTRACT])) { // ----- Generate a local information $v_local_header = array(); $this->privConvertHeader2FileInfo($p_entry, $v_local_header); // ----- Call the callback // Here I do not use call_user_func() because I need to send a reference to the // header. $v_result = $p_options[PCLZIP_CB_PRE_EXTRACT](PCLZIP_CB_PRE_EXTRACT, $v_local_header); if ($v_result == 0) { // ----- Change the file status $p_entry['status'] = "skipped"; $v_result = 1; } // ----- Look for abort result if ($v_result == 2) { // ----- This status is internal and will be changed in 'skipped' $p_entry['status'] = "aborted"; $v_result = PCLZIP_ERR_USER_ABORTED; } // ----- Update the information // Only some fields can be modified $p_entry['filename'] = $v_local_header['filename']; } // ----- Look if extraction should be done if ($p_entry['status'] == 'ok') { // ----- Do the extraction (if not a folder) if (!(($p_entry['external']&0x00000010)==0x00000010)) { // ----- Look for not compressed file // if ($p_entry['compressed_size'] == $p_entry['size']) if ($p_entry['compression'] == 0) { // ----- Reading the file if ($p_entry['compressed_size'] > 0) { $p_string = @fread($this->zip_fd, $p_entry['compressed_size']); } else { $p_string = ''; } } else { // ----- Reading the file if ($p_entry['compressed_size'] > 0) { $v_data = @fread($this->zip_fd, $p_entry['compressed_size']); } else { $v_data = ''; } // ----- Decompress the file if (($p_string = @gzinflate($v_data)) === FALSE) { // TBC } } // ----- Trace } else { // TBC : error : can not extract a folder in a string } } // ----- Change abort status if ($p_entry['status'] == "aborted") { $p_entry['status'] = "skipped"; } // ----- Look for post-extract callback elseif (isset($p_options[PCLZIP_CB_POST_EXTRACT])) { // ----- Generate a local information $v_local_header = array(); $this->privConvertHeader2FileInfo($p_entry, $v_local_header); // ----- Swap the content to header $v_local_header['content'] = $p_string; $p_string = ''; // ----- Call the callback // Here I do not use call_user_func() because I need to send a reference to the // header. $v_result = $p_options[PCLZIP_CB_POST_EXTRACT](PCLZIP_CB_POST_EXTRACT, $v_local_header); // ----- Swap back the content to header $p_string = $v_local_header['content']; unset($v_local_header['content']); // ----- Look for abort result if ($v_result == 2) { $v_result = PCLZIP_ERR_USER_ABORTED; } } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privReadFileHeader() // Description : // Parameters : // Return Values : // -------------------------------------------------------------------------------- function privReadFileHeader(&$p_header) { $v_result=1; // ----- Read the 4 bytes signature $v_binary_data = @fread($this->zip_fd, 4); $v_data = unpack('Vid', $v_binary_data); // ----- Check signature if ($v_data['id'] != 0x04034b50) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'Invalid archive structure'); // ----- Return return PclZip::errorCode(); } // ----- Read the first 42 bytes of the header $v_binary_data = fread($this->zip_fd, 26); // ----- Look for invalid block size if (strlen($v_binary_data) != 26) { $p_header['filename'] = ""; $p_header['status'] = "invalid_header"; // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, "Invalid block size : ".strlen($v_binary_data)); // ----- Return return PclZip::errorCode(); } // ----- Extract the values $v_data = unpack('vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len', $v_binary_data); // ----- Get filename $p_header['filename'] = fread($this->zip_fd, $v_data['filename_len']); // ----- Get extra_fields if ($v_data['extra_len'] != 0) { $p_header['extra'] = fread($this->zip_fd, $v_data['extra_len']); } else { $p_header['extra'] = ''; } // ----- Extract properties $p_header['version_extracted'] = $v_data['version']; $p_header['compression'] = $v_data['compression']; $p_header['size'] = $v_data['size']; $p_header['compressed_size'] = $v_data['compressed_size']; $p_header['crc'] = $v_data['crc']; $p_header['flag'] = $v_data['flag']; $p_header['filename_len'] = $v_data['filename_len']; // ----- Recuperate date in UNIX format $p_header['mdate'] = $v_data['mdate']; $p_header['mtime'] = $v_data['mtime']; if ($p_header['mdate'] && $p_header['mtime']) { // ----- Extract time $v_hour = ($p_header['mtime'] & 0xF800) >> 11; $v_minute = ($p_header['mtime'] & 0x07E0) >> 5; $v_seconde = ($p_header['mtime'] & 0x001F)*2; // ----- Extract date $v_year = (($p_header['mdate'] & 0xFE00) >> 9) + 1980; $v_month = ($p_header['mdate'] & 0x01E0) >> 5; $v_day = $p_header['mdate'] & 0x001F; // ----- Get UNIX date format $p_header['mtime'] = @mktime($v_hour, $v_minute, $v_seconde, $v_month, $v_day, $v_year); } else { $p_header['mtime'] = time(); } // TBC //for(reset($v_data); $key = key($v_data); next($v_data)) { //} // ----- Set the stored filename $p_header['stored_filename'] = $p_header['filename']; // ----- Set the status field $p_header['status'] = "ok"; // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privReadCentralFileHeader() // Description : // Parameters : // Return Values : // -------------------------------------------------------------------------------- function privReadCentralFileHeader(&$p_header) { $v_result=1; // ----- Read the 4 bytes signature $v_binary_data = @fread($this->zip_fd, 4); $v_data = unpack('Vid', $v_binary_data); // ----- Check signature if ($v_data['id'] != 0x02014b50) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'Invalid archive structure'); // ----- Return return PclZip::errorCode(); } // ----- Read the first 42 bytes of the header $v_binary_data = fread($this->zip_fd, 42); // ----- Look for invalid block size if (strlen($v_binary_data) != 42) { $p_header['filename'] = ""; $p_header['status'] = "invalid_header"; // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, "Invalid block size : ".strlen($v_binary_data)); // ----- Return return PclZip::errorCode(); } // ----- Extract the values $p_header = unpack('vversion/vversion_extracted/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len/vcomment_len/vdisk/vinternal/Vexternal/Voffset', $v_binary_data); // ----- Get filename if ($p_header['filename_len'] != 0) $p_header['filename'] = fread($this->zip_fd, $p_header['filename_len']); else $p_header['filename'] = ''; // ----- Get extra if ($p_header['extra_len'] != 0) $p_header['extra'] = fread($this->zip_fd, $p_header['extra_len']); else $p_header['extra'] = ''; // ----- Get comment if ($p_header['comment_len'] != 0) $p_header['comment'] = fread($this->zip_fd, $p_header['comment_len']); else $p_header['comment'] = ''; // ----- Extract properties // ----- Recuperate date in UNIX format //if ($p_header['mdate'] && $p_header['mtime']) // TBC : bug : this was ignoring time with 0/0/0 if (1) { // ----- Extract time $v_hour = ($p_header['mtime'] & 0xF800) >> 11; $v_minute = ($p_header['mtime'] & 0x07E0) >> 5; $v_seconde = ($p_header['mtime'] & 0x001F)*2; // ----- Extract date $v_year = (($p_header['mdate'] & 0xFE00) >> 9) + 1980; $v_month = ($p_header['mdate'] & 0x01E0) >> 5; $v_day = $p_header['mdate'] & 0x001F; // ----- Get UNIX date format $p_header['mtime'] = @mktime($v_hour, $v_minute, $v_seconde, $v_month, $v_day, $v_year); } else { $p_header['mtime'] = time(); } // ----- Set the stored filename $p_header['stored_filename'] = $p_header['filename']; // ----- Set default status to ok $p_header['status'] = 'ok'; // ----- Look if it is a directory if (substr($p_header['filename'], -1) == '/') { //$p_header['external'] = 0x41FF0010; $p_header['external'] = 0x00000010; } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privCheckFileHeaders() // Description : // Parameters : // Return Values : // 1 on success, // 0 on error; // -------------------------------------------------------------------------------- function privCheckFileHeaders(&$p_local_header, &$p_central_header) { $v_result=1; // ----- Check the static values // TBC if ($p_local_header['filename'] != $p_central_header['filename']) { } if ($p_local_header['version_extracted'] != $p_central_header['version_extracted']) { } if ($p_local_header['flag'] != $p_central_header['flag']) { } if ($p_local_header['compression'] != $p_central_header['compression']) { } if ($p_local_header['mtime'] != $p_central_header['mtime']) { } if ($p_local_header['filename_len'] != $p_central_header['filename_len']) { } // ----- Look for flag bit 3 if (($p_local_header['flag'] & 8) == 8) { $p_local_header['size'] = $p_central_header['size']; $p_local_header['compressed_size'] = $p_central_header['compressed_size']; $p_local_header['crc'] = $p_central_header['crc']; } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privReadEndCentralDir() // Description : // Parameters : // Return Values : // -------------------------------------------------------------------------------- function privReadEndCentralDir(&$p_central_dir) { $v_result=1; // ----- Go to the end of the zip file $v_size = filesize($this->zipname); @fseek($this->zip_fd, $v_size); if (@ftell($this->zip_fd) != $v_size) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'Unable to go to the end of the archive \''.$this->zipname.'\''); // ----- Return return PclZip::errorCode(); } // ----- First try : look if this is an archive with no commentaries (most of the time) // in this case the end of central dir is at 22 bytes of the file end $v_found = 0; if ($v_size > 26) { @fseek($this->zip_fd, $v_size-22); if (($v_pos = @ftell($this->zip_fd)) != ($v_size-22)) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'Unable to seek back to the middle of the archive \''.$this->zipname.'\''); // ----- Return return PclZip::errorCode(); } // ----- Read for bytes $v_binary_data = @fread($this->zip_fd, 4); $v_data = @unpack('Vid', $v_binary_data); // ----- Check signature if ($v_data['id'] == 0x06054b50) { $v_found = 1; } $v_pos = ftell($this->zip_fd); } // ----- Go back to the maximum possible size of the Central Dir End Record if (!$v_found) { $v_maximum_size = 65557; // 0xFFFF + 22; if ($v_maximum_size > $v_size) $v_maximum_size = $v_size; @fseek($this->zip_fd, $v_size-$v_maximum_size); if (@ftell($this->zip_fd) != ($v_size-$v_maximum_size)) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'Unable to seek back to the middle of the archive \''.$this->zipname.'\''); // ----- Return return PclZip::errorCode(); } // ----- Read byte per byte in order to find the signature $v_pos = ftell($this->zip_fd); $v_bytes = 0x00000000; while ($v_pos < $v_size) { // ----- Read a byte $v_byte = @fread($this->zip_fd, 1); // ----- Add the byte //$v_bytes = ($v_bytes << 8) | Ord($v_byte); // Note we mask the old value down such that once shifted we can never end up with more than a 32bit number // Otherwise on systems where we have 64bit integers the check below for the magic number will fail. $v_bytes = ( ($v_bytes & 0xFFFFFF) << 8) | Ord($v_byte); // ----- Compare the bytes if ($v_bytes == 0x504b0506) { $v_pos++; break; } $v_pos++; } // ----- Look if not found end of central dir if ($v_pos == $v_size) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, "Unable to find End of Central Dir Record signature"); // ----- Return return PclZip::errorCode(); } } // ----- Read the first 18 bytes of the header $v_binary_data = fread($this->zip_fd, 18); // ----- Look for invalid block size if (strlen($v_binary_data) != 18) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, "Invalid End of Central Dir Record size : ".strlen($v_binary_data)); // ----- Return return PclZip::errorCode(); } // ----- Extract the values $v_data = unpack('vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size', $v_binary_data); // ----- Check the global size if (($v_pos + $v_data['comment_size'] + 18) != $v_size) { // ----- Removed in release 2.2 see readme file // The check of the file size is a little too strict. // Some bugs where found when a zip is encrypted/decrypted with 'crypt'. // While decrypted, zip has training 0 bytes if (0) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'The central dir is not at the end of the archive.' .' Some trailing bytes exists after the archive.'); // ----- Return return PclZip::errorCode(); } } // ----- Get comment if ($v_data['comment_size'] != 0) { $p_central_dir['comment'] = fread($this->zip_fd, $v_data['comment_size']); } else $p_central_dir['comment'] = ''; $p_central_dir['entries'] = $v_data['entries']; $p_central_dir['disk_entries'] = $v_data['disk_entries']; $p_central_dir['offset'] = $v_data['offset']; $p_central_dir['size'] = $v_data['size']; $p_central_dir['disk'] = $v_data['disk']; $p_central_dir['disk_start'] = $v_data['disk_start']; // TBC //for(reset($p_central_dir); $key = key($p_central_dir); next($p_central_dir)) { //} // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privDeleteByRule() // Description : // Parameters : // Return Values : // -------------------------------------------------------------------------------- function privDeleteByRule(&$p_result_list, &$p_options) { $v_result=1; $v_list_detail = array(); // ----- Open the zip file if (($v_result=$this->privOpenFd('rb')) != 1) { // ----- Return return $v_result; } // ----- Read the central directory information $v_central_dir = array(); if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1) { $this->privCloseFd(); return $v_result; } // ----- Go to beginning of File @rewind($this->zip_fd); // ----- Scan all the files // ----- Start at beginning of Central Dir $v_pos_entry = $v_central_dir['offset']; @rewind($this->zip_fd); if (@fseek($this->zip_fd, $v_pos_entry)) { // ----- Close the zip file $this->privCloseFd(); // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size'); // ----- Return return PclZip::errorCode(); } // ----- Read each entry $v_header_list = array(); $j_start = 0; for ($i=0, $v_nb_extracted=0; $i<$v_central_dir['entries']; $i++) { // ----- Read the file header $v_header_list[$v_nb_extracted] = array(); if (($v_result = $this->privReadCentralFileHeader($v_header_list[$v_nb_extracted])) != 1) { // ----- Close the zip file $this->privCloseFd(); return $v_result; } // ----- Store the index $v_header_list[$v_nb_extracted]['index'] = $i; // ----- Look for the specific extract rules $v_found = false; // ----- Look for extract by name rule if ( (isset($p_options[PCLZIP_OPT_BY_NAME])) && ($p_options[PCLZIP_OPT_BY_NAME] != 0)) { // ----- Look if the filename is in the list for ($j=0; ($j<sizeof($p_options[PCLZIP_OPT_BY_NAME])) && (!$v_found); $j++) { // ----- Look for a directory if (substr($p_options[PCLZIP_OPT_BY_NAME][$j], -1) == "/") { // ----- Look if the directory is in the filename path if ( (strlen($v_header_list[$v_nb_extracted]['stored_filename']) > strlen($p_options[PCLZIP_OPT_BY_NAME][$j])) && (substr($v_header_list[$v_nb_extracted]['stored_filename'], 0, strlen($p_options[PCLZIP_OPT_BY_NAME][$j])) == $p_options[PCLZIP_OPT_BY_NAME][$j])) { $v_found = true; } elseif ( (($v_header_list[$v_nb_extracted]['external']&0x00000010)==0x00000010) /* Indicates a folder */ && ($v_header_list[$v_nb_extracted]['stored_filename'].'/' == $p_options[PCLZIP_OPT_BY_NAME][$j])) { $v_found = true; } } // ----- Look for a filename elseif ($v_header_list[$v_nb_extracted]['stored_filename'] == $p_options[PCLZIP_OPT_BY_NAME][$j]) { $v_found = true; } } } // ----- Look for extract by ereg rule // ereg() is deprecated with PHP 5.3 /* else if ( (isset($p_options[PCLZIP_OPT_BY_EREG])) && ($p_options[PCLZIP_OPT_BY_EREG] != "")) { if (ereg($p_options[PCLZIP_OPT_BY_EREG], $v_header_list[$v_nb_extracted]['stored_filename'])) { $v_found = true; } } */ // ----- Look for extract by preg rule else if ( (isset($p_options[PCLZIP_OPT_BY_PREG])) && ($p_options[PCLZIP_OPT_BY_PREG] != "")) { if (preg_match($p_options[PCLZIP_OPT_BY_PREG], $v_header_list[$v_nb_extracted]['stored_filename'])) { $v_found = true; } } // ----- Look for extract by index rule else if ( (isset($p_options[PCLZIP_OPT_BY_INDEX])) && ($p_options[PCLZIP_OPT_BY_INDEX] != 0)) { // ----- Look if the index is in the list for ($j=$j_start; ($j<sizeof($p_options[PCLZIP_OPT_BY_INDEX])) && (!$v_found); $j++) { if (($i>=$p_options[PCLZIP_OPT_BY_INDEX][$j]['start']) && ($i<=$p_options[PCLZIP_OPT_BY_INDEX][$j]['end'])) { $v_found = true; } if ($i>=$p_options[PCLZIP_OPT_BY_INDEX][$j]['end']) { $j_start = $j+1; } if ($p_options[PCLZIP_OPT_BY_INDEX][$j]['start']>$i) { break; } } } else { $v_found = true; } // ----- Look for deletion if ($v_found) { unset($v_header_list[$v_nb_extracted]); } else { $v_nb_extracted++; } } // ----- Look if something need to be deleted if ($v_nb_extracted > 0) { // ----- Creates a temporary file $v_zip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.tmp'; // ----- Creates a temporary zip archive $v_temp_zip = new PclZip($v_zip_temp_name); // ----- Open the temporary zip file in write mode if (($v_result = $v_temp_zip->privOpenFd('wb')) != 1) { $this->privCloseFd(); // ----- Return return $v_result; } // ----- Look which file need to be kept for ($i=0; $i<sizeof($v_header_list); $i++) { // ----- Calculate the position of the header @rewind($this->zip_fd); if (@fseek($this->zip_fd, $v_header_list[$i]['offset'])) { // ----- Close the zip file $this->privCloseFd(); $v_temp_zip->privCloseFd(); @unlink($v_zip_temp_name); // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size'); // ----- Return return PclZip::errorCode(); } // ----- Read the file header $v_local_header = array(); if (($v_result = $this->privReadFileHeader($v_local_header)) != 1) { // ----- Close the zip file $this->privCloseFd(); $v_temp_zip->privCloseFd(); @unlink($v_zip_temp_name); // ----- Return return $v_result; } // ----- Check that local file header is same as central file header if ($this->privCheckFileHeaders($v_local_header, $v_header_list[$i]) != 1) { // TBC } unset($v_local_header); // ----- Write the file header if (($v_result = $v_temp_zip->privWriteFileHeader($v_header_list[$i])) != 1) { // ----- Close the zip file $this->privCloseFd(); $v_temp_zip->privCloseFd(); @unlink($v_zip_temp_name); // ----- Return return $v_result; } // ----- Read/write the data block if (($v_result = PclZipUtilCopyBlock($this->zip_fd, $v_temp_zip->zip_fd, $v_header_list[$i]['compressed_size'])) != 1) { // ----- Close the zip file $this->privCloseFd(); $v_temp_zip->privCloseFd(); @unlink($v_zip_temp_name); // ----- Return return $v_result; } } // ----- Store the offset of the central dir $v_offset = @ftell($v_temp_zip->zip_fd); // ----- Re-Create the Central Dir files header for ($i=0; $i<sizeof($v_header_list); $i++) { // ----- Create the file header if (($v_result = $v_temp_zip->privWriteCentralFileHeader($v_header_list[$i])) != 1) { $v_temp_zip->privCloseFd(); $this->privCloseFd(); @unlink($v_zip_temp_name); // ----- Return return $v_result; } // ----- Transform the header to a 'usable' info $v_temp_zip->privConvertHeader2FileInfo($v_header_list[$i], $p_result_list[$i]); } // ----- Zip file comment $v_comment = ''; if (isset($p_options[PCLZIP_OPT_COMMENT])) { $v_comment = $p_options[PCLZIP_OPT_COMMENT]; } // ----- Calculate the size of the central header $v_size = @ftell($v_temp_zip->zip_fd)-$v_offset; // ----- Create the central dir footer if (($v_result = $v_temp_zip->privWriteCentralHeader(sizeof($v_header_list), $v_size, $v_offset, $v_comment)) != 1) { // ----- Reset the file list unset($v_header_list); $v_temp_zip->privCloseFd(); $this->privCloseFd(); @unlink($v_zip_temp_name); // ----- Return return $v_result; } // ----- Close $v_temp_zip->privCloseFd(); $this->privCloseFd(); // ----- Delete the zip file // TBC : I should test the result ... @unlink($this->zipname); // ----- Rename the temporary file // TBC : I should test the result ... //@rename($v_zip_temp_name, $this->zipname); PclZipUtilRename($v_zip_temp_name, $this->zipname); // ----- Destroy the temporary archive unset($v_temp_zip); } // ----- Remove every files : reset the file else if ($v_central_dir['entries'] != 0) { $this->privCloseFd(); if (($v_result = $this->privOpenFd('wb')) != 1) { return $v_result; } if (($v_result = $this->privWriteCentralHeader(0, 0, 0, '')) != 1) { return $v_result; } $this->privCloseFd(); } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privDirCheck() // Description : // Check if a directory exists, if not it creates it and all the parents directory // which may be useful. // Parameters : // $p_dir : Directory path to check. // Return Values : // 1 : OK // -1 : Unable to create directory // -------------------------------------------------------------------------------- function privDirCheck($p_dir, $p_is_dir=false) { $v_result = 1; // ----- Remove the final '/' if (($p_is_dir) && (substr($p_dir, -1)=='/')) { $p_dir = substr($p_dir, 0, strlen($p_dir)-1); } // ----- Check the directory availability if ((is_dir($p_dir)) || ($p_dir == "")) { return 1; } // ----- Extract parent directory $p_parent_dir = dirname($p_dir); // ----- Just a check if ($p_parent_dir != $p_dir) { // ----- Look for parent directory if ($p_parent_dir != "") { if (($v_result = $this->privDirCheck($p_parent_dir)) != 1) { return $v_result; } } } // ----- Create the directory if (!@mkdir($p_dir, 0777)) { // ----- Error log PclZip::privErrorLog(PCLZIP_ERR_DIR_CREATE_FAIL, "Unable to create directory '$p_dir'"); // ----- Return return PclZip::errorCode(); } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privMerge() // Description : // If $p_archive_to_add does not exist, the function exit with a success result. // Parameters : // Return Values : // -------------------------------------------------------------------------------- function privMerge(&$p_archive_to_add) { $v_result=1; // ----- Look if the archive_to_add exists if (!is_file($p_archive_to_add->zipname)) { // ----- Nothing to merge, so merge is a success $v_result = 1; // ----- Return return $v_result; } // ----- Look if the archive exists if (!is_file($this->zipname)) { // ----- Do a duplicate $v_result = $this->privDuplicate($p_archive_to_add->zipname); // ----- Return return $v_result; } // ----- Open the zip file if (($v_result=$this->privOpenFd('rb')) != 1) { // ----- Return return $v_result; } // ----- Read the central directory information $v_central_dir = array(); if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1) { $this->privCloseFd(); return $v_result; } // ----- Go to beginning of File @rewind($this->zip_fd); // ----- Open the archive_to_add file if (($v_result=$p_archive_to_add->privOpenFd('rb')) != 1) { $this->privCloseFd(); // ----- Return return $v_result; } // ----- Read the central directory information $v_central_dir_to_add = array(); if (($v_result = $p_archive_to_add->privReadEndCentralDir($v_central_dir_to_add)) != 1) { $this->privCloseFd(); $p_archive_to_add->privCloseFd(); return $v_result; } // ----- Go to beginning of File @rewind($p_archive_to_add->zip_fd); // ----- Creates a temporary file $v_zip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.tmp'; // ----- Open the temporary file in write mode if (($v_zip_temp_fd = @fopen($v_zip_temp_name, 'wb')) == 0) { $this->privCloseFd(); $p_archive_to_add->privCloseFd(); PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \''.$v_zip_temp_name.'\' in binary write mode'); // ----- Return return PclZip::errorCode(); } // ----- Copy the files from the archive to the temporary file // TBC : Here I should better append the file and go back to erase the central dir $v_size = $v_central_dir['offset']; while ($v_size != 0) { $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE); $v_buffer = fread($this->zip_fd, $v_read_size); @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size); $v_size -= $v_read_size; } // ----- Copy the files from the archive_to_add into the temporary file $v_size = $v_central_dir_to_add['offset']; while ($v_size != 0) { $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE); $v_buffer = fread($p_archive_to_add->zip_fd, $v_read_size); @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size); $v_size -= $v_read_size; } // ----- Store the offset of the central dir $v_offset = @ftell($v_zip_temp_fd); // ----- Copy the block of file headers from the old archive $v_size = $v_central_dir['size']; while ($v_size != 0) { $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE); $v_buffer = @fread($this->zip_fd, $v_read_size); @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size); $v_size -= $v_read_size; } // ----- Copy the block of file headers from the archive_to_add $v_size = $v_central_dir_to_add['size']; while ($v_size != 0) { $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE); $v_buffer = @fread($p_archive_to_add->zip_fd, $v_read_size); @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size); $v_size -= $v_read_size; } // ----- Merge the file comments $v_comment = $v_central_dir['comment'].' '.$v_central_dir_to_add['comment']; // ----- Calculate the size of the (new) central header $v_size = @ftell($v_zip_temp_fd)-$v_offset; // ----- Swap the file descriptor // Here is a trick : I swap the temporary fd with the zip fd, in order to use // the following methods on the temporary fil and not the real archive fd $v_swap = $this->zip_fd; $this->zip_fd = $v_zip_temp_fd; $v_zip_temp_fd = $v_swap; // ----- Create the central dir footer if (($v_result = $this->privWriteCentralHeader($v_central_dir['entries']+$v_central_dir_to_add['entries'], $v_size, $v_offset, $v_comment)) != 1) { $this->privCloseFd(); $p_archive_to_add->privCloseFd(); @fclose($v_zip_temp_fd); $this->zip_fd = null; // ----- Reset the file list unset($v_header_list); // ----- Return return $v_result; } // ----- Swap back the file descriptor $v_swap = $this->zip_fd; $this->zip_fd = $v_zip_temp_fd; $v_zip_temp_fd = $v_swap; // ----- Close $this->privCloseFd(); $p_archive_to_add->privCloseFd(); // ----- Close the temporary file @fclose($v_zip_temp_fd); // ----- Delete the zip file // TBC : I should test the result ... @unlink($this->zipname); // ----- Rename the temporary file // TBC : I should test the result ... //@rename($v_zip_temp_name, $this->zipname); PclZipUtilRename($v_zip_temp_name, $this->zipname); // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privDuplicate() // Description : // Parameters : // Return Values : // -------------------------------------------------------------------------------- function privDuplicate($p_archive_filename) { $v_result=1; // ----- Look if the $p_archive_filename exists if (!is_file($p_archive_filename)) { // ----- Nothing to duplicate, so duplicate is a success. $v_result = 1; // ----- Return return $v_result; } // ----- Open the zip file if (($v_result=$this->privOpenFd('wb')) != 1) { // ----- Return return $v_result; } // ----- Open the temporary file in write mode if (($v_zip_temp_fd = @fopen($p_archive_filename, 'rb')) == 0) { $this->privCloseFd(); PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open archive file \''.$p_archive_filename.'\' in binary write mode'); // ----- Return return PclZip::errorCode(); } // ----- Copy the files from the archive to the temporary file // TBC : Here I should better append the file and go back to erase the central dir $v_size = filesize($p_archive_filename); while ($v_size != 0) { $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE); $v_buffer = fread($v_zip_temp_fd, $v_read_size); @fwrite($this->zip_fd, $v_buffer, $v_read_size); $v_size -= $v_read_size; } // ----- Close $this->privCloseFd(); // ----- Close the temporary file @fclose($v_zip_temp_fd); // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privErrorLog() // Description : // Parameters : // -------------------------------------------------------------------------------- function privErrorLog($p_error_code=0, $p_error_string='') { if (PCLZIP_ERROR_EXTERNAL == 1) { PclError($p_error_code, $p_error_string); } else { $this->error_code = $p_error_code; $this->error_string = $p_error_string; } } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privErrorReset() // Description : // Parameters : // -------------------------------------------------------------------------------- function privErrorReset() { if (PCLZIP_ERROR_EXTERNAL == 1) { PclErrorReset(); } else { $this->error_code = 0; $this->error_string = ''; } } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privDisableMagicQuotes() // Description : // Parameters : // Return Values : // -------------------------------------------------------------------------------- function privDisableMagicQuotes() { $v_result=1; // EDIT for WordPress 5.3.0 // magic_quote functions are deprecated in PHP 7.4, now assuming it's always off. /* // ----- Look if function exists if ( (!function_exists("get_magic_quotes_runtime")) || (!function_exists("set_magic_quotes_runtime"))) { return $v_result; } // ----- Look if already done if ($this->magic_quotes_status != -1) { return $v_result; } // ----- Get and memorize the magic_quote value $this->magic_quotes_status = @get_magic_quotes_runtime(); // ----- Disable magic_quotes if ($this->magic_quotes_status == 1) { @set_magic_quotes_runtime(0); } */ // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privSwapBackMagicQuotes() // Description : // Parameters : // Return Values : // -------------------------------------------------------------------------------- function privSwapBackMagicQuotes() { $v_result=1; // EDIT for WordPress 5.3.0 // magic_quote functions are deprecated in PHP 7.4, now assuming it's always off. /* // ----- Look if function exists if ( (!function_exists("get_magic_quotes_runtime")) || (!function_exists("set_magic_quotes_runtime"))) { return $v_result; } // ----- Look if something to do if ($this->magic_quotes_status != -1) { return $v_result; } // ----- Swap back magic_quotes if ($this->magic_quotes_status == 1) { @set_magic_quotes_runtime($this->magic_quotes_status); } */ // ----- Return return $v_result; } // -------------------------------------------------------------------------------- } // End of class // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : PclZipUtilPathReduction() // Description : // Parameters : // Return Values : // -------------------------------------------------------------------------------- function PclZipUtilPathReduction($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 $v_skip = 0; for ($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] == "..") { $v_skip++; } else if ($v_list[$i] == "") { // ----- First '/' i.e. root slash if ($i == 0) { $v_result = "/".$v_result; if ($v_skip > 0) { // ----- It is an invalid path, so the path is not modified // TBC $v_result = $p_dir; $v_skip = 0; } } // ----- Last '/' i.e. indicates a directory else if ($i == (sizeof($v_list)-1)) { $v_result = $v_list[$i]; } // ----- Double '/' inside the path else { // ----- Ignore only the double '//' in path, // but not the first and last '/' } } else { // ----- Look for item to skip if ($v_skip > 0) { $v_skip--; } else { $v_result = $v_list[$i].($i!=(sizeof($v_list)-1)?"/".$v_result:""); } } } // ----- Look for skip if ($v_skip > 0) { while ($v_skip > 0) { $v_result = '../'.$v_result; $v_skip--; } } } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : PclZipUtilPathInclusion() // Description : // This function indicates if the path $p_path is under the $p_dir tree. Or, // said in an other way, if the file or sub-dir $p_path is inside the dir // $p_dir. // The function indicates also if the path is exactly the same as the dir. // This function supports path with duplicated '/' like '//', but does not // support '.' or '..' statements. // Parameters : // Return Values : // 0 if $p_path is not inside directory $p_dir // 1 if $p_path is inside directory $p_dir // 2 if $p_path is exactly the same as $p_dir // -------------------------------------------------------------------------------- function PclZipUtilPathInclusion($p_dir, $p_path) { $v_result = 1; // ----- Look for path beginning by ./ if ( ($p_dir == '.') || ((strlen($p_dir) >=2) && (substr($p_dir, 0, 2) == './'))) { $p_dir = PclZipUtilTranslateWinPath(getcwd(), FALSE).'/'.substr($p_dir, 1); } if ( ($p_path == '.') || ((strlen($p_path) >=2) && (substr($p_path, 0, 2) == './'))) { $p_path = PclZipUtilTranslateWinPath(getcwd(), FALSE).'/'.substr($p_path, 1); } // ----- Explode dir and path by directory separator $v_list_dir = explode("/", $p_dir); $v_list_dir_size = sizeof($v_list_dir); $v_list_path = explode("/", $p_path); $v_list_path_size = sizeof($v_list_path); // ----- Study directories paths $i = 0; $j = 0; while (($i < $v_list_dir_size) && ($j < $v_list_path_size) && ($v_result)) { // ----- Look for empty dir (path reduction) if ($v_list_dir[$i] == '') { $i++; continue; } if ($v_list_path[$j] == '') { $j++; continue; } // ----- Compare the items if (($v_list_dir[$i] != $v_list_path[$j]) && ($v_list_dir[$i] != '') && ( $v_list_path[$j] != '')) { $v_result = 0; } // ----- Next items $i++; $j++; } // ----- Look if everything seems to be the same if ($v_result) { // ----- Skip all the empty items while (($j < $v_list_path_size) && ($v_list_path[$j] == '')) $j++; while (($i < $v_list_dir_size) && ($v_list_dir[$i] == '')) $i++; if (($i >= $v_list_dir_size) && ($j >= $v_list_path_size)) { // ----- There are exactly the same $v_result = 2; } else if ($i < $v_list_dir_size) { // ----- The path is shorter than the dir $v_result = 0; } } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : PclZipUtilCopyBlock() // Description : // Parameters : // $p_mode : read/write compression mode // 0 : src & dest normal // 1 : src gzip, dest normal // 2 : src normal, dest gzip // 3 : src & dest gzip // Return Values : // -------------------------------------------------------------------------------- function PclZipUtilCopyBlock($p_src, $p_dest, $p_size, $p_mode=0) { $v_result = 1; if ($p_mode==0) { while ($p_size != 0) { $v_read_size = ($p_size < PCLZIP_READ_BLOCK_SIZE ? $p_size : PCLZIP_READ_BLOCK_SIZE); $v_buffer = @fread($p_src, $v_read_size); @fwrite($p_dest, $v_buffer, $v_read_size); $p_size -= $v_read_size; } } else if ($p_mode==1) { while ($p_size != 0) { $v_read_size = ($p_size < PCLZIP_READ_BLOCK_SIZE ? $p_size : PCLZIP_READ_BLOCK_SIZE); $v_buffer = @gzread($p_src, $v_read_size); @fwrite($p_dest, $v_buffer, $v_read_size); $p_size -= $v_read_size; } } else if ($p_mode==2) { while ($p_size != 0) { $v_read_size = ($p_size < PCLZIP_READ_BLOCK_SIZE ? $p_size : PCLZIP_READ_BLOCK_SIZE); $v_buffer = @fread($p_src, $v_read_size); @gzwrite($p_dest, $v_buffer, $v_read_size); $p_size -= $v_read_size; } } else if ($p_mode==3) { while ($p_size != 0) { $v_read_size = ($p_size < PCLZIP_READ_BLOCK_SIZE ? $p_size : PCLZIP_READ_BLOCK_SIZE); $v_buffer = @gzread($p_src, $v_read_size); @gzwrite($p_dest, $v_buffer, $v_read_size); $p_size -= $v_read_size; } } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : PclZipUtilRename() // Description : // This function tries to do a simple rename() function. If it fails, it // tries to copy the $p_src file in a new $p_dest file and then unlink the // first one. // Parameters : // $p_src : Old filename // $p_dest : New filename // Return Values : // 1 on success, 0 on failure. // -------------------------------------------------------------------------------- function PclZipUtilRename($p_src, $p_dest) { $v_result = 1; // ----- Try to rename the files if (!@rename($p_src, $p_dest)) { // ----- Try to copy & unlink the src if (!@copy($p_src, $p_dest)) { $v_result = 0; } else if (!@unlink($p_src)) { $v_result = 0; } } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : PclZipUtilOptionText() // Description : // Translate option value in text. Mainly for debug purpose. // Parameters : // $p_option : the option value. // Return Values : // The option text value. // -------------------------------------------------------------------------------- function PclZipUtilOptionText($p_option) { $v_list = get_defined_constants(); for (reset($v_list); $v_key = key($v_list); next($v_list)) { $v_prefix = substr($v_key, 0, 10); if (( ($v_prefix == 'PCLZIP_OPT') || ($v_prefix == 'PCLZIP_CB_') || ($v_prefix == 'PCLZIP_ATT')) && ($v_list[$v_key] == $p_option)) { return $v_key; } } $v_result = 'Unknown'; return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : PclZipUtilTranslateWinPath() // Description : // Translate windows path by replacing '\' by '/' and optionally removing // drive letter. // Parameters : // $p_path : path to translate. // $p_remove_disk_letter : true | false // Return Values : // The path translated. // -------------------------------------------------------------------------------- function PclZipUtilTranslateWinPath($p_path, $p_remove_disk_letter=true) { if (stristr(php_uname(), 'windows')) { // ----- Look for potential disk letter if (($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; } // -------------------------------------------------------------------------------- ?>
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