<?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 future 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 future 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. (future) // Parameters : // $p_level : Level of check. Default 0. // 0 : Check the first bytes (magic codes) (default value)) // 1 : 0 + Check the central directory (future) // 2 : 1 + Check each file header (future) // Return Values : // true on success, // false on error, the error code is set. // -------------------------------------------------------------------------------- function privCheckFormat($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]; $i++; break; // ----- Look for options that request a call-back case PCLZIP_CB_PRE_EXTRACT : case PCLZIP_CB_POST_EXTRACT : case PCLZIP_CB_PRE_ADD : case PCLZIP_CB_POST_ADD : /* for future use case PCLZIP_CB_PRE_DELETE : case PCLZIP_CB_POST_DELETE : case PCLZIP_CB_PRE_LIST : case PCLZIP_CB_POST_LIST : */ // ----- Check the number of parameters if (($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, $p_remove_disk_letter=true) { if (PHP_OS_FAMILY == 'Windows') { // ----- Look for potential disk letter if (($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; } // -------------------------------------------------------------------------------- ?>

A Beginner’s Facts Playing Casino Slots

BDM June 26, 2025 Betting for all Leave a comment 485 Views

How In Order To Play Slots Find Out The Rules Involving Slot Machines

Content

Slot Suggestion 4: Always Perform Within Your Price Range And Be Willing To Lower Your Wager Or Stop Enjoying If You Hit A Limit
Beginners Guide: How To Be Able To Play Slots For Dummies
Slot Tournaments
How To Participate In Slot Machines Online: Step By Stage Instructions For Beginners
Top Payment Approaches Available On Share Casino
Are There Diverse Types Of Slot Machines?
How To Enjoy Slot Machines In A Casino
How To Play Slot Machine Game Machines: A Step By Step Guide
How Developers Found Techniques To Increase Jackpots
Slot Tip 10: Take Advantage Of Bonuses In Addition To Promotions
What Takes Place When You” “Earn On A Slot Machine?
What Is Responsible Video Gaming And What Makes It Important?
Starting To Play Slots
How To Experience Slots: The Pokernews Guide
Find Your Web Slots Casino
Paylines
Understanding Slot Machines
The Future Of Traditional Casino Gambling
How To Try Out Casino Slots For Beginners
Gambling Help
Can I Play Online Slots For Cost-free?
How To Play Free Of Charge Slots To Succeed Real Money
For Progressive Slots
Betting
Top Online Poker Rooms
Basic Sport Concepts
Evoplay Unveils Tree Of Light: Fabled Fruits, An Exilerating Fantasy Slot Adventure
Bonus Features
Tips For Playing Slot Machine Machines
Progressive Jackpot Slots

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The strategy of progressive jackpots dates back to be able to 1986 when the particular Megabucks machine seemed to be introduced, allowing earnings to accumulate until the player hit the jackpot. Today, many popular progressive slot machines are connected around multiple casinos, more increasing the jackpot feature potential. Classic slot machines, often referred to be able to as 3-reel slot machine games, provide quick plus satisfying action. These games are great for players who appreciate easy and fast-paced game play. With their standard design and mechanics, classic slots charm to both newbies and seasoned gamers. Typically, these slot machines feature one to three paylines, making them easy in order to understand and enjoy.

Slot Tip 4: Always Enjoy Within Your Budget And Become Willing To Lower Your Guess Or Stop Playing If You Struck A Limit

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It’s quick to customize amount of credits you’d like to participate in too.
Because of the long odds, seeking to win a huge jackpot is most likely unrealistic.
You’ll learn what to be able to expect and exactly how to adjust your current playing style to be able to the features of a particular slot device game.
For example, the Blood Suckers slot with the RTP of 98% returns to all players $98 of $100 expended inside; $2 is usually the house edge.
Therefore, carry out not rush to immediately place actual bets, but initial, get accustomed to the position controls.

Now, your house edge will vary with respect to the” “video game that players opt to play, and typically the total bet amount which is placed. Developers are continually striving to innovate and even create new ways for players to be able to win in a great attempt to retain player interest. One of those innovations seemed to be respins or cascading down symbols – which in turn are certain emblems which cause reels to respin to produce bigger wins or multipliers with outrageous symbols potentially. With all the success and recognition, there is usually one thing which includes always been some sort of given for position machines. In essence, they have been income generators regarding casinos for several years in spite of featuring large plus relatively frequent affiliate payouts. Once you’ve set your desired bet, press the “Spin” button or draw the lever (if available) to trigger the spin.

Beginners Guide: How To Play Slots Regarding Dummies

Keeping with the straightforward nature of playing slots at on the web casinos, if gamers have trouble, these types of websites offer consumer service. The special offers that online casinos offer purely relate with in-game aspects such as bonus money in addition to free spins for slots. The appeal of slot machines is the possiblity to hit big which has a jackpot payday. Over the years, developers have continued to find ways to boost the jackpots regarding players without stopping too much of the edge for your casino.

The most realistic strategy when betting on slot machines is bankroll management; its essence is usually rather simple. Each player can devote a certain amount on bets, in addition to spending it within one evening is a bad concept; a wise option is to split your bankroll volume into several parts. For example, following making a deposit, you can divide it into components simultaneously and use only one piece per day for making bets mostbet app.

Slot Tournaments

Today almost all progressives are linked electronically to other machines, with all credit played in the particular linked machines adding to a typical jackpot. Woe will be the person who hits three jackpot symbols about a buy-a-pay together with only one gold coin played — typically the player gets practically nothing back. On some sort of multiplier, payoffs are proportionate for each coin played — apart from, usually, for that leading jackpot.

Their slots selection includes progressive jackpot feature games, as well as a massive selection of all traditional slots you’d count on to find.
This is because slot games can be highly addicting and can prospect a player to chase their losses.
Nowadays, known because a philanthropist, Bill Redd (also referred to as Si) was among the Bally group’s designers in the 1971s.
With all the achievement and popularity, there will be one thing that has always been a new given for slot machine machines.

The wide collection of slot games, like exclusive titles, guarantees a varied plus exciting gaming knowledge. Here are many of the most effective online casinos for slot machine machines and precisely what causes them to be stand out there. A Night Using Cleo transports gamers to the planet of Ancient Egypt, complete with icons such as scarab beetles and the Eye of Horus. This game holds out for its unique bonus models, which add a great extra layer associated with excitement to the gameplay. Players can easily also make use of the chance feature, that allows all of them to attempt in order to double their winnings after any effective spin.

How To Play Slot Machines On-line: Step By Phase Instructions For Beginners

Among other things, site visitors will discover a day-to-day dose of content articles with the newest poker news, reside reporting from tournaments, exclusive videos, podcasts, reviews and bonus deals and so much more. With these kinds of eligibility factors and even any others you might find, your best choice is always in order to game details or even information before a person commit to enjoying. Sean Chaffin can be a longtime freelance article writer, editor, and former high school writing teacher. If you ever feel it’s learning to be a problem, urgently speak to a helpline in your country for immediate” “assistance. From in-depth testimonials and helpful guidelines to the latest reports, we’re here to be able to help you find a very good platforms and create informed decisions every step of the particular way.

They had been featuring three” “re-writing reels operated by way of a handle and a new single slot to be able to place a coin into. This equipment had only one shell out line, with each and every reel featuring several symbols – many you would acknowledge today – spades, hearts, diamonds, a new horseshoe, and the bell. This method requires players to be able to be more involved with every earn, so having some sort of calculator close by is recommended. Instead of changing the particular size of the particular bet based in won or lost rounds, the method has a set bet determined being a percentage of typically the available balance. Using 5% can become convenient, but all of us prefer staying secure and only wagering 3%. Slot machines top the record with regards to the almost all attractive casino game titles for gamblers, the two online and in land-based casinos.

Top Payment Procedures Available On Stake Casino

This feature means that you can spin a slot machine game game without seeking to connect to the particular game, but you is going to take care to be able to ensure you’re not really spending too much per spin. Wilds usually are special symbols that can replace other symbols on paylines to generate benefits. They are typically the most crucial symbols in the particular game and may also sometimes induce bonus features.

Additionally, players could unlock bonus capabilities through scatter signs” “that trigger special features.
If a person start thinking, “Well, they’re only credit, ” or even, “They’re already paid out for, ” it’s harder to persuade yourself to guard your bankroll.
At the core involving every authentic internet gambling platform is gaming software.
Players may also withdraw their funds by hitting “Cash Out and about. ” An individual can will certainly then receive a paper voucher together with the balance amount that can become used in another machine.

The user interface is definitely crafted to mirror the appearance and even ambiance of the conventional gambling establishment, featuring intuitive selections and controls. Volatility measures the frequency as well as the size regarding the wins that will the slots spend. For example, in case you prefer big is the winner less often, then you will want to perform an increased volatility slot; in case you prefer a low volatility slot then an individual will get smaller sized, more frequent is the winner. Commonly, this symbol is very totally different from the other symbols, therefore it is easy to distinguish besides making it simpler to understand the gameplay. Depending how many you obtain, could be dependent about the reward an individual are given; but like always, this may also vary per game.

Are There Different Types Of Slot Machines?

That about wraps upward our How in order to Play Slot Devices for Beginners guidebook. If you’ve appreciated it and are ready to try many free slots with regard to yourself, check out our slot reviews web page now. After a new few spins about those, you’ll grasp all of the particular concepts you’ve figured out about here. Paylines often confuse starter slots players the most, and no Exactly how to Play Slot machine Machines for Beginners guide would be full without explaining all of them further. Each symbol has a different worth and exactly how much you win for making combinations will be identified by the value of the symbols.

Don’t forget to be able to carefully experience almost all of the great print, because a few terms & situations can limit claiming, usage or cashing out of bonuses.
First, you should note that you can always find out exactly what bonus rounds and even special features the game has by viewing the paytable.
The goal with this specific strategy for earning at slots is usually to win back our losses.
Slot machines have are available a long approach since being simple machines and actually their role since store vending equipment.
Once you’ve established your desired gamble, press the “Spin” button or draw the lever (if available) to initiate the spin.

He’s written several books, generally on the topics of card counting and the different blackjack systems they employed over the particular years. He in addition runs a effective YouTube channel wherever he showcases various blackjack scenarios with beginner tips about how to overcome the dealer. Bets can be since little as 1c compared to typically the common minimum levels of $5 in order to $10 that stand and card games require.” “[newline]Please note that Slotsspot. com doesn’t work any gambling companies.

How To Play Slot Machines Inside A Casino

Bonus rounds can befuddle some new participants, so we believed we’d describe all of them here so that this specific How to Play Slot Machines intended for Beginners piece will be complete. When the cheats inserted particular numbers of coins in a certain order, the device would fork out. In jurisdictions with licensed casinos, the law takes a very dim view of cheating the video poker machines. Cheating licensed casinos is a criminal offence and will carry stiff prison terms. A zero-bonus balances the particular possibility of greater wins than you see in pick’em bonuses.

Over in britain, they include a couple of names for all of them, fruit machines in England and puggy in Scotland.
They are created to offer the chance-based, easy-to-play video gaming experience where gamers” “can go back home with potentially big wins using a simple rewrite.
However, you may stick to certain rules when playing particular titles; by using them, you could decrease risks and boost your winning possibilities.
The bonus round is usually activated by way of a minimum of three scatter symbols – but this can easily vary slot in order to slot.
Just such as the relaxed nature of how to play slot machines, players from all over have similar carefree love towards online game.

A gamer has numerous game titles available, something intended for every taste plus interest. However, whilst we can’t inform you how in order to play slot devices and win every time, we can show a couple of slot machine techniques that will assist you win more often. This is knowledge we’ve gained above decades, so bring it in and create sure you realize that before choosing which usually game to enjoy. Some slot machines in the 1960s and ‘70s had been vulnerable to ordinary magnets. Cheaters could make use of the magnets in order to make the fishing reels float freely alternatively of stopping about a spin.

How To Play Position Machines: A Step By Step Guide

Usually, classic, fruits, 3D, and progressive jackpot slot equipment are available with all online internet casinos. Old-fashioned slot equipment have only one horizontal payline, along which in turn three winning emblems (usually fruit icons or 7s) have to line upwards for you to be paid out. The vast bulk of today’s position machines, however, are multi-payline, with a few featuring up to 100 paylines or more.

So, let’s say that we all start with $100, which usually means our 1st bet is 3%.
It works generally the same manner regarding all slot devices, although there may become some variations based on the application developer.
These are the added features that assist to boost your payout in the particular game.
There is enough diversity and choice available amongst the slot machine game games industry.
“Each game comes with a unique combo of features like bonus rounds, thrilling varied animation alternatives, modern machines, multiplier machines, wild icons, and more.

The risk is that a new dry run can lead to a large bet that may be difficult in order to sustain. Some slot machine games feature progressive jackpots, where a small portion of each and every bet contributes to be able to a growing goldmine that can always be won by getting a specific combo or at unique. Find out about slot machines, how that they work and how to play slots for actual money with our own full guide.

How Developers Found Ways To Increase Jackpots

The worst factor you can apply at slot machines is always to chase loss by increasing the bet level. The chances are good that you may lose a lot more cash, and probably crazily run through the bankroll. When selecting an ideal bet level for your slot play, your decision is usually a trade-off among risk and payment.

The machine became known as the Liberty Bell and Fey spawned an evergrowing industry.
There are video games in penny, 2-cent, nickel, 10-cent, 1 fourth, dollar and also $100 denominations, and several machines allow players in order to choose which denomination they want to be able to use.
Nearly everyone is guilty associated with not reading Apple or Google words of service, but you shouldn’t are available to a casino with that same mindset.
The slot machine machine landscape has always been dependent upon the improvements and innovations involving software companies.
These slots are normally great for players who just want to have many fun create typically the most of their particular play.

It’s important to read the cup or help menus and learn precisely what type of device it is. The three major forms of reel-spinning slot machines are the multiplier, the buy-a-pay along with the progressive. Modern movie slots, of program, don’t have real coins but instead use virtual bridal party. To period pay-out odds, simply cash out your own slot credits straight into a real money balance. If you’re gunning for the big bucks, on the other hand, you would end up being wise to stick to high volatility slots.

Slot Hint 10: Take Benefit Of Bonuses And Even Promotions

In typically the rest, the recognition of attempting to be able to win at slot machines is surging to the point slot machine game play is rivaling table play. On those machines, the particular big payoffs have been $50 or $100 — not like typically the big numbers slot machine game players expect today. On systems of which electronically link equipment in several casinos, progressive jackpots reach huge amount of money. It’s quick — just drop coins into typically the slot and push the button or even pull the handle. Newcomers will find the particular personal interaction along with dealers or additional players at the particular tables intimidating — slot players prevent that. And besides, the greatest, most lifestyle-changing jackpots in typically the casino are available upon the slots.

The game software giant incorporated a 4-tier progressive goldmine with levels called mega, major, slight, and mini. In order to be eligible for the tiny jackpot – the lowest of the bunch, you must bet at least 1 cent on all twenty-five paylines (a minimal total of $0. 25). When this comes to video slots, these generally include multi-tier accelerating jackpots. Every video clip slot usually provides between 2 plus 12 progressive goldmine levels, and every level provides a established max bet an individual have to help to make in order to be able to be eligible.

What Occurs When You” “Get On A Slot Machine?

Each slot machine features a pay stand that shows just what symbols have to line up for a pay out of varying sums. These are organized with the greatest payouts, known because the jackpot, on top of the tables and subsequent payouts below those. A desk also includes an amount paid relying on the amount of credits a new player puts in the machine. A random number generator, or perhaps RNG, is a computer technology that is definitely used to determine payouts and jackpots. An RNG makes a sequence associated with simulated random amounts to determine exactly where those reels may land, and therefore which payouts” “are distributed to participants. Modern slot equipment have become high-tech machines with advanced online video, sound, graphics, in addition to gameplay.

So, you should recognize that playing slot machine machines are extremely basic – which is part of the reason players love these games.
Ordinarily, a traditional 3-reel slot will be an ideal opt for for the player who else likes a pared-down game with not any frills and everything perform.
For example, if you owned four matching emblems on reels one, two, four, in addition to five, and some sort of wild landed throughout the middle, you’d have a 5 symbol combination.
Usually, classic, fruit, 3D, and progressive jackpot slot machines are available from all online casinos.
You can typically do this inside the ‘account’ or ‘banking’ section of your own casino.

The scam artists would likely remove the magnetic only when the fishing reels had aligned throughout a winning combo. My top slot machine game machine strategy ideas – you’ll learned about below – consist of 12 do’s and even 6 don’ts that may assist you in answering the top ‘how to succeed at slot machines? Changing the developed payback percentage demands opening the device and replacing a computer chip. Server-based slot machines that will allow casinos in order to change payout proportions remotely, but there are still polices around making these kinds of changes. It’s certainly not unusual to proceed 20 or fifty or more draws without a one payout on a reel-spinning slot, although payouts tend to be more repeated on video video poker machines. Nor would it be unusual for a device to pay again 150 percent or more for many dozen pulls.

What Is Responsible Game Playing And What Makes It Essential?

Given that they are games of chance, playing slots has more to perform with luck as compared to strategy. Even so, there are several strategies you can employ to select some sort of slot machine that may likely pay. As you might have got heard before, a person can’t win large payouts at a intensifying slot if you don’t max the wager. A small section of your bet on a modern slot machine game goes straight into a jackpot or perhaps set of jackpots. The more participants wager on typically the progressive lot the bigger its jackpot gets.

Not all machines are made the similar way and programmed with the same RTP or payment percentage.
To place a bet on the slot machine, simply insert the coins or currency, select your bet size, and take the lever or perhaps press the rotate button.
Alternatively, you can start building up a bankroll by keeping aside small amounts through your savings and after that begin gambling after getting saved enough money for a certain variety of slot machines.
Let’s consider a closer look at the sorts of bonus icons you’re more likely to find in a regular online” “slot.

Other accelerating slots are connected within a casino, although some are interconnected across all internet casinos featuring that certain game. For a new genuine casino experience from the coziness of your abode, live dealer games certainly are a must consider. These games, including live blackjack, different roulette games, and baccarat, feature real human retailers who interact along with players via reside video streams. Players can participate in current gameplay, detailed with interpersonal interaction, creating a great immersive and genuine casino atmosphere. They” “come in various themes and give a stimulating blend of gameplay, visuals, plus the possibility for significant winnings. Demo methods are available regarding players to train and even familiarize themselves along with the game with out risking real cash.

Starting In Order To Play Slots

Yes, due to the fact demo versions permit you to test slots, check their particular characteristics, and do not risk your own funds. While wagering, it is essential to control yourself, while emotions often usually tend to get free from control. It is incredibly common when you strike a large reward and lose manage, forgetting about caution as well as the strategy you adhere to. Aside coming from these run-of-the-mill strategies, participate in slot machine tournaments whenever feasible.

Understanding design and even mechanics in the sport is essential ahead of spinning the fishing reels.
Don’t hesitate in order to ask tough queries; other gamblers are usually willing to out a poor apple.
The scam artists would remove the magnet only if the reels had aligned within a winning mixture.
Video slots are acknowledged for their advanced graphics and several paylines, which will enhance the chances regarding winning.
The paytable also shows the value of every symbol, indicating the amount you win intended for matching different icons on a payline.

When playing video poker machines online, you could decrease or raise your stake by simply clicking on typically the BET/STAKE button. For example, classic on the internet slots based about traditional slot equipment have 3 reels. Three-reel slot games put more importance on their leading jackpots but have got a lesser hit regularity with additional losing spins. If you’re pondering how to win at slots, three-reel position games do offer slot players typically the best possiblity to get big, but additionally the particular best chance in order to lose fast. Every good online gambling establishment will have an array of games to attempt at no cost or true money.

How To Experience Video Poker Machines: The Pokernews Guide

The microprocessors driving today’s machines are set with random-number generation devices that govern winning combinations. Many position players pump money into two or more adjacent devices at a time, although if the casino will be crowded and others are having problems finding places to play, limit yourself to one machine. Select your bets and paylines, and get a theme and bonus feature of which interests you. Online slot software will be governed by the Arbitrary Number Generator, or perhaps RNG. As quickly as you struck the ‘Spin’ key, an algorithm can determine where and if the reels can stop. The process is completely unique, and slot designers have their games examined before they hit the casino industry, along with periodically audited with time.

This network impact results in massive jackpots, some of which can become truly life-changing.
While learning how in order to play casino slot machine games, there are particular factors that you have to always keep in mind when choosing the proper slot machine game game.
Added for the paylines and payout structures, deciphering the bet measurements is likewise crucial, as it can have an effect on both the possible winnings and the particular overall game.
You may well also get a feeling whether it’s achievable to win in slot games and even if so how to win in slots.

Now, a new payout and goldmine is determined as quickly as the player hits the switch to spin the particular reels. If you’re purely after massive jackpots, you ought to consider playing the subsequent games. These top rated progressive jackpot slots have paid out many of the greatest online slot jackpots of all time.

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A Beginner’s Facts Playing Casino Slots

How In Order To Play Slots Find Out The Rules Involving Slot Machines

Slot Tip 4: Always Enjoy Within Your Budget And Become Willing To Lower Your Guess Or Stop Playing If You Struck A Limit

Beginners Guide: How To Play Slots Regarding Dummies

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How To Play Slot Machines On-line: Step By Phase Instructions For Beginners

Top Payment Procedures Available On Stake Casino

Are There Different Types Of Slot Machines?

How To Play Slot Machines Inside A Casino

How To Play Position Machines: A Step By Step Guide

How Developers Found Ways To Increase Jackpots

Slot Hint 10: Take Benefit Of Bonuses And Even Promotions

What Occurs When You” “Get On A Slot Machine?

What Is Responsible Game Playing And What Makes It Essential?

Starting In Order To Play Slots

How To Experience Video Poker Machines: The Pokernews Guide

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