Source for file pclzip.lib.php
Documentation is available at pclzip.lib.php
// -------------------------------------------------------------------------------- // PhpConcept Library - Zip Module 2.8.2 // -------------------------------------------------------------------------------- // License GNU/LGPL - Vincent Blavet - August 2009 // http://www.phpconcept.net // -------------------------------------------------------------------------------- // 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. // See readme.txt and http://www.phpconcept.net // This library and the associated files are non commercial, non professional // 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 1.1 2009/10/21 14:27:39 efy-maxim Exp $ // -------------------------------------------------------------------------------- if (!defined('PCLZIP_READ_BLOCK_SIZE')) { define( 'PCLZIP_READ_BLOCK_SIZE', 2048 ); // ----- File list separator // In version 1.x of PclZip, the separator for file list is a space // (which is not a very smart choice, specifically for windows paths !). // A better separator should be a comma (,). This constant gives you the // abilty to change that. // However notice that changing this value, may have impact on existing // scripts, using space separated filenames. // Recommanded values for compatibility with older versions : //define( 'PCLZIP_SEPARATOR', ' ' ); // Recommanded values for smart separation of filenames. if (!defined('PCLZIP_SEPARATOR')) { define( 'PCLZIP_SEPARATOR', ',' ); // ----- Error configuration // 0 : PclZip Class integrated error handling // 1 : PclError external library error handling. By enabling this // you must ensure that you have included PclError library. // [2,...] : reserved for futur use if (!defined('PCLZIP_ERROR_EXTERNAL')) { define( 'PCLZIP_ERROR_EXTERNAL', 0 ); // ----- Optional static temporary directory // By default temporary files are generated in the script current // - MUST BE terminated by a '/'. // - MUST be a valid, already created directory // define( 'PCLZIP_TEMPORARY_DIR', '/temp/' ); // define( 'PCLZIP_TEMPORARY_DIR', 'C:/Temp/' ); if (!defined('PCLZIP_TEMPORARY_DIR')) { define( 'PCLZIP_TEMPORARY_DIR', '' ); // ----- Optional threshold ratio for use of temporary files // Pclzip sense the size of the file to add/extract and decide to // use or not temporary file. The algorythm is looking for // memory_limit of PHP and apply a ratio. // threshold = memory_limit * ratio. // Recommended values are under 0.5. Default 0.47. // 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"; // -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 ); 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 ); define( 'PCLZIP_CB_PRE_LIST', 78005 ); define( 'PCLZIP_CB_POST_LIST', 78006 ); define( 'PCLZIP_CB_PRE_DELETE', 78007 ); define( 'PCLZIP_CB_POST_DELETE', 78008 ); // -------------------------------------------------------------------------------- // PclZip is the class that represent a Zip archive. // The public methods allow the manipulation of the archive. // Attributes must not be accessed directly. // 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 // -------------------------------------------------------------------------------- // ----- Filename of the zip file // ----- File descriptor of the zip file // ----- Internal error handling // ----- 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 // -------------------------------------------------------------------------------- // Creates a PclZip object and set the name of the associated Zip archive // Note that no real action is taken, if the archive does not exist it is not // created. Use create() for that. // -------------------------------------------------------------------------------- die('Abort '.
basename(__FILE__
).
' : Missing zlib extensions'); // ----- Set the attributes // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // create($p_filelist, $p_add_dir="", $p_remove_dir="") // create($p_filelist, $p_option, $p_option_value, ...) // 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 this synopsis, the function takes an optional variable list of // options. See bellow the supported options. // $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 $p_add_dir is added. // PCLZIP_OPT_REMOVE_PATH : // PCLZIP_OPT_REMOVE_ALL_PATH : // The list of the added files, with a status of the add action. // (see PclZip::listContent() for list entry format) // -------------------------------------------------------------------------------- // ----- Reset the error handler // ----- Set default values // ----- Look for variable options arguments // ----- Look for arguments // ----- Get the arguments // ----- Remove from the options list the first argument // ----- Look for first arg if ((is_integer($v_arg_list[0])) &&
($v_arg_list[0] >
77000)) { // ----- Parse the options //, PCLZIP_OPT_CRYPT => 'optional' // Here we need to support the first historic synopsis of the // ----- Get the first argument // ----- Look for the optional second argument "Invalid number / type of arguments"); // ----- Look for default option values $v_string_list =
array(); $v_filedescr_list =
array(); $p_result_list =
array(); // ----- Look if the $p_filelist is really an array // ----- Look if the first element is also an array // This will mean that this is a file description entry if (isset
($p_filelist[0]) &&
is_array($p_filelist[0])) { $v_att_list =
$p_filelist; // ----- The list is a list of string names $v_string_list =
$p_filelist; // ----- Look if the $p_filelist is a string // ----- Create a list from the string // ----- Invalid variable type for $p_filelist // ----- Reformat the string list if (sizeof($v_string_list) !=
0) { foreach ($v_string_list as $v_string) { // ----- For each file in the list check the attributes foreach ($v_att_list as $v_entry) { $v_supported_attributes); // ----- Expand the filelist (expand directories) // ----- Call the create fct $v_result =
$this->privCreate($v_filedescr_list, $p_result_list, $v_options); // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // add($p_filelist, $p_add_dir="", $p_remove_dir="") // add($p_filelist, $p_option, $p_option_value, ...) // 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. // $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 $p_add_dir is added. // PCLZIP_OPT_REMOVE_PATH : // PCLZIP_OPT_REMOVE_ALL_PATH : // PCLZIP_OPT_ADD_COMMENT : // PCLZIP_OPT_PREPEND_COMMENT : // The list of the added files, with a status of the add action. // (see PclZip::listContent() for list entry format) // -------------------------------------------------------------------------------- function add($p_filelist) // ----- Reset the error handler // ----- Set default values // ----- Look for variable options arguments // ----- Look for arguments // ----- Get the arguments // ----- Remove form the options list the first argument // ----- Look for first arg if ((is_integer($v_arg_list[0])) &&
($v_arg_list[0] >
77000)) { // ----- Parse the options //, PCLZIP_OPT_CRYPT => 'optional' // Here we need to support the first historic synopsis of the // ----- Get the first argument // ----- Look for the optional second argument // ----- Look for default option values $v_string_list =
array(); $v_filedescr_list =
array(); $p_result_list =
array(); // ----- Look if the $p_filelist is really an array // ----- Look if the first element is also an array // This will mean that this is a file description entry if (isset
($p_filelist[0]) &&
is_array($p_filelist[0])) { $v_att_list =
$p_filelist; // ----- The list is a list of string names $v_string_list =
$p_filelist; // ----- Look if the $p_filelist is a string // ----- Create a list from the string // ----- Invalid variable type for $p_filelist // ----- Reformat the string list if (sizeof($v_string_list) !=
0) { foreach ($v_string_list as $v_string) { // ----- For each file in the list check the attributes foreach ($v_att_list as $v_entry) { $v_supported_attributes); // ----- Expand the filelist (expand directories) // ----- Call the create fct $v_result =
$this->privAdd($v_filedescr_list, $p_result_list, $v_options); // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : listContent() // This public method, gives the list of the files and directories, with their // 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 // index : index of the file in the archive // status : status of the action (depending of the action) : // 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 // 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 a // error while writing the file // read_error : the file was not extracted because there was a 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. // 0 on an unrecoverable failure, // The list of the files in the archive. // -------------------------------------------------------------------------------- // ----- Reset the error handler // ----- Call the extracting fct if (($v_result =
$this->privList($p_list)) !=
1) // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // extract($p_path="./", $p_remove_path="") // extract([$p_option, $p_option_value, ...]) // 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 aoptions // are used, the path indicated in PCLZIP_OPT_ADD_PATH is append // at the end of the path value of PCLZIP_OPT_PATH. // $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. // PCLZIP_OPT_REMOVE_PATH : // PCLZIP_OPT_REMOVE_ALL_PATH : // PCLZIP_CB_PRE_EXTRACT : // PCLZIP_CB_POST_EXTRACT : // 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) // -------------------------------------------------------------------------------- // ----- Reset the error handler // ----- Set default values $v_remove_all_path =
false; // ----- Look for variable options arguments // ----- Default values for option // ----- Look for arguments // ----- Get the arguments // ----- Look for first arg if ((is_integer($v_arg_list[0])) &&
($v_arg_list[0] >
77000)) { // ----- Parse the options // ----- Set the arguments // ----- Check for '/' in last path char if ((strlen($v_path) >
0) &&
(substr($v_path, -
1) !=
'/')) { // Here we need to support the first historic synopsis of the // ----- Get the first argument $v_path =
$v_arg_list[0]; // ----- Look for the optional second argument $v_remove_path =
$v_arg_list[1]; // ----- Look for default option values // ----- Call the extracting fct $v_remove_all_path, $v_options); // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // extractByIndex($p_index, $p_path="./", $p_remove_path="") // extractByIndex($p_index, [$p_option, $p_option_value, ...]) // 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. // $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 ';' // $p_path : Path where the files and directories are to be extracted // $p_remove_path : First part ('root' part) of the memorized path // (if any similar) to remove while extracting. // PCLZIP_OPT_REMOVE_PATH : // PCLZIP_OPT_REMOVE_ALL_PATH : // PCLZIP_OPT_EXTRACT_AS_STRING : The files are extracted as strings and // The resulting content is in a new field 'content' in the file // This option must be used alone (any other options are ignored). // PCLZIP_CB_PRE_EXTRACT : // PCLZIP_CB_POST_EXTRACT : // The list of the extracted files, with a status of the action. // (see PclZip::listContent() for list entry format) // -------------------------------------------------------------------------------- //function extractByIndex($p_index, options...) // ----- Reset the error handler // ----- Set default values $v_remove_all_path =
false; // ----- Look for variable options arguments // ----- Default values for option // ----- Look for arguments // ----- Get the arguments // ----- Remove form the options list the first argument // ----- Look for first arg if ((is_integer($v_arg_list[0])) &&
($v_arg_list[0] >
77000)) { // ----- Parse the options // ----- Set the arguments // ----- Check for '/' in last path char if ((strlen($v_path) >
0) &&
(substr($v_path, -
1) !=
'/')) { // Here we need to support the first historic synopsis of the // ----- Get the first argument $v_path =
$v_arg_list[0]; // ----- Look for the optional second argument $v_remove_path =
$v_arg_list[1]; // Here I want to reuse extractByRule(), so I need to parse the $p_index // with privParseOptions() $v_options_trick =
array(); // ----- Look for default option values // ----- Call the extracting fct if (($v_result =
$this->privExtractByRule($p_list, $v_path, $v_remove_path, $v_remove_all_path, $v_options)) <
1) { // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // delete([$p_option, $p_option_value, ...]) // This method removes files from the archive. // If no parameters are given, then all the archive is emptied. // None or optional arguments. // The list of the files which are still present in the archive. // (see PclZip::listContent() for list entry format) // -------------------------------------------------------------------------------- // ----- Reset the error handler // ----- Set default values // ----- Look for variable options arguments // ----- Look for arguments // ----- Get the arguments // ----- Parse the options // ----- Magic quotes trick // ----- Call the delete fct // ----- Magic quotes trick // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : deleteByIndex() // ***** Deprecated ***** // delete(PCLZIP_OPT_BY_INDEX, $p_index) should be prefered. // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : properties() // This method gives the properties of the archive. // nb : Number of files in the archive // comment : Comment associated with the archive file // status : not_exist, ok // An array with the archive properties. // -------------------------------------------------------------------------------- // ----- Reset the error handler // ----- Magic quotes trick // ----- Default properties $v_prop['status'] =
'not_exist'; // ----- Look if file exists // ----- Open the zip file // ----- Read the central directory informations $v_central_dir =
array(); // ----- Close the zip file // ----- 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 // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : duplicate() // 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. // $p_archive : The filename of a valid archive, or // a valid PclZip object. // 0 or a negative value on error (error code). // -------------------------------------------------------------------------------- // ----- Reset the error handler // ----- Look if the $p_archive is a PclZip object // ----- Duplicate the archive // ----- Look if the $p_archive is a string (so a filename) // ----- Check that $p_archive is a valid zip file // TBC : Should also check the archive format // ----- Duplicate the archive // ----- Invalid variable // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // This method merge the $p_archive_to_add archive at the end of the current // If the archive ($this) does not exist, the merge becomes a duplicate. // If the $p_archive_to_add archive does not exist, the merge is a success. // $p_archive_to_add : It can be directly the filename of a valid zip archive, // or a PclZip object archive. // 0 or negative values on error (see below). // -------------------------------------------------------------------------------- function merge($p_archive_to_add) // ----- Reset the error handler // ----- Look if the $p_archive_to_add is a PclZip object // ----- Merge the archive $v_result =
$this->privMerge($p_archive_to_add); // ----- Look if the $p_archive_to_add is a string (so a filename) // ----- 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 // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : errorCode() // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : errorName() // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : errorInfo() // -------------------------------------------------------------------------------- return(PclErrorString()); // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // ***** UNDER THIS LINE ARE DEFINED PRIVATE INTERNAL FUNCTIONS ***** // ***** THESES FUNCTIONS MUST NOT BE USED DIRECTLY ***** // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privCheckFormat() // This method check that the archive exists and is a valid zip archive. // Several level of check exists. (futur) // $p_level : Level of check. Default 0. // 0 : Check the first bytes (magic codes) (default value)) // 1 : 0 + Check the central directory (futur) // 2 : 1 + Check each file header (futur) // false on error, the error code is set. // -------------------------------------------------------------------------------- // ----- Reset the file system cache // ----- Reset the error handler // ----- Look if the file exits // ----- Check that the file is readeable // ----- Check the magic code // ----- Check the central header // ----- Check each file header // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privParseOptions() // This internal methods reads the variable list of arguments ($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 // $v_requested_options is an array, with the option value as key, and 'optional', // or 'mandatory' as value. // -------------------------------------------------------------------------------- function privParseOptions(&$p_options_list, $p_size, &$v_result_list, $v_requested_options=
false) // ----- Read the options // ----- Check if the option is supported if (!isset
($v_requested_options[$p_options_list[$i]])) { // ----- Look for next option switch ($p_options_list[$i]) { // ----- Look for options that request a path value // ----- Check the number of parameters // ----- Check the number of parameters // ----- Check for incompatible options $v_value =
$p_options_list[$i+
1]; // ----- Get the value (and convert it in bytes) $v_result_list[$p_options_list[$i]] =
$v_value*
1048576; // ----- Check for incompatible options $v_result_list[$p_options_list[$i]] =
true; // ----- Check for incompatible options // ----- Check for incompatible options $v_result_list[$p_options_list[$i]] =
true; // ----- Check the number of parameters &&
($p_options_list[$i+
1] !=
'')) { // ----- Look for options that request an array of string for value // ----- Check the number of parameters $v_result_list[$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]; // ----- Look for options that request an EREG or PREG expression // ereg() is deprecated starting with PHP 5.3. Move PCLZIP_OPT_BY_EREG //case PCLZIP_OPT_CRYPT : // ----- Check the number of parameters $v_result_list[$p_options_list[$i]] =
$p_options_list[$i+
1]; // ----- Look for options that takes a string // ----- Check the number of parameters "Missing parameter value for option '" $v_result_list[$p_options_list[$i]] =
$p_options_list[$i+
1]; "Wrong parameter value for option '" // ----- Look for options that request an array of index // ----- Check the number of parameters $p_options_list[$i+
1] =
strtr($p_options_list[$i+
1], ' ', ''); $v_work_list =
explode(",", $p_options_list[$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]; // ----- 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 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 // ----- 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'] =
$v_item_list[1]; // ----- Look for list sort if ($v_result_list[$p_options_list[$i]][$j]['start'] <
$v_sort_value) { // ----- TBC : An automatic sort should be writen ... $v_sort_value =
$v_result_list[$p_options_list[$i]][$j]['start']; // ----- Look for options that request no value $v_result_list[$p_options_list[$i]] =
true; // ----- Look for options that request an octal value // ----- Check the number of parameters $v_result_list[$p_options_list[$i]] =
$p_options_list[$i+
1]; // ----- Look for options that request a call-back 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 $v_function_name =
$p_options_list[$i+
1]; // ----- Check that the value is a valid existing function // ----- Set the attribute $v_result_list[$p_options_list[$i]] =
$v_function_name; .
$p_options_list[$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') { if (!isset
($v_result_list[$key])) { // ----- Look for default values // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privOptionDefaultThreshold() // -------------------------------------------------------------------------------- // ----- Get 'memory_limit' configuration value $v_memory_limit =
ini_get('memory_limit'); $v_memory_limit =
trim($v_memory_limit); //$v_memory_limit = $v_memory_limit*1024*1024*1024; $v_memory_limit =
$v_memory_limit*
1073741824; //$v_memory_limit = $v_memory_limit*1024*1024; $v_memory_limit =
$v_memory_limit*
1048576; $v_memory_limit =
$v_memory_limit*
1024; // ----- Sanity check : No threshold if value lower than 1M // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privFileDescrParseAtt() // -------------------------------------------------------------------------------- // ----- For each file in the list check the attributes foreach ($p_file_list as $v_key =>
$v_value) { // ----- Check if the option is supported if (!isset
($v_requested_options[$v_key])) { // ----- Look for attribute if ($p_filedescr['filename'] ==
'') { if ($p_filedescr['new_short_name'] ==
'') { if ($p_filedescr['new_full_name'] ==
'') { // ----- Look for options that takes a string $p_filedescr['comment'] =
$v_value; $p_filedescr['mtime'] =
$v_value; $p_filedescr['content'] =
$v_value; "Unknown parameter '".
$v_key.
"'"); // ----- Look for mandatory options if ($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') { if (!isset
($p_file_list[$key])) { // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privFileDescrExpand() // 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) // 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 // -------------------------------------------------------------------------------- // ----- Create a result list $v_result_list =
array(); for ($i=
0; $i<
sizeof($p_filedescr_list); $i++
) { $v_descr =
$p_filedescr_list[$i]; // ----- Reduce the filename // ----- Look for real file or folder 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'])) { // ----- Look for string added as file else if (isset
($v_descr['content'])) { $v_descr['type'] =
'virtual_file'; // ----- Calculate the stored filename // ----- Add the descriptor in result list $v_result_list[sizeof($v_result_list)] =
$v_descr; if ($v_descr['type'] ==
'folder') { // ----- List of items in folder $v_dirlist_descr =
array(); if ($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 ==
'..')) { // ----- 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'] !=
$v_descr['filename']) if ($v_descr['stored_filename'] !=
'') { $v_dirlist_descr[$v_dirlist_nb]['new_full_name'] =
$v_descr['stored_filename'].
'/'.
$v_item_handler; $v_dirlist_descr[$v_dirlist_nb]['new_full_name'] =
$v_item_handler; // TBC : unable to open folder in read mode // ----- Expand each element of the list if ($v_dirlist_nb !=
0) { // ----- Concat the resulting list $v_result_list =
array_merge($v_result_list, $v_dirlist_descr); // ----- Free local array // ----- Get the result list $p_filedescr_list =
$v_result_list; // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privCreate() // -------------------------------------------------------------------------------- function privCreate($p_filedescr_list, &$p_result_list, &$p_options) $v_list_detail =
array(); // ----- Magic quotes trick // ----- Open the file in write mode // ----- Add the list of files $v_result =
$this->privAddList($p_filedescr_list, $p_result_list, $p_options); // ----- Magic quotes trick // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- function privAdd($p_filedescr_list, &$p_result_list, &$p_options) $v_list_detail =
array(); // ----- Look if the archive exists or is empty $v_result =
$this->privCreate($p_filedescr_list, $p_result_list, $p_options); // ----- Magic quotes trick // ----- Open the zip file // ----- Magic quotes trick // ----- Read the central directory informations $v_central_dir =
array(); // ----- Go to beginning of File // ----- Creates a temporay file // ----- Open the temporary file in write mode if (($v_zip_temp_fd =
@fopen($v_zip_temp_name, 'wb')) ==
0) // ----- 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 =
$v_central_dir['offset']; @fwrite($v_zip_temp_fd, $v_buffer, $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 $this->zip_fd =
$v_zip_temp_fd; $v_zip_temp_fd =
$v_swap; $v_header_list =
array(); if (($v_result =
$this->privAddFileList($p_filedescr_list, $v_header_list, $p_options)) !=
1) // ----- Store the offset of the central dir // ----- Copy the block of file headers from the old archive $v_size =
$v_central_dir['size']; $v_buffer =
@fread($v_zip_temp_fd, $v_read_size); // ----- Create the Central Dir files header for ($i=
0, $v_count=
0; $i<
sizeof($v_header_list); $i++
) // ----- Create the file header if ($v_header_list[$i]['status'] ==
'ok') { // ----- Transform the header to a 'usable' info // ----- Zip file comment $v_comment =
$v_central_dir['comment']; // ----- Calculate the size of the central header // ----- Create the central dir footer if (($v_result =
$this->privWriteCentralHeader($v_count+
$v_central_dir['entries'], $v_size, $v_offset, $v_comment)) !=
1) // ----- Reset the file list // ----- Swap back the file descriptor $this->zip_fd =
$v_zip_temp_fd; $v_zip_temp_fd =
$v_swap; // ----- Close the temporary file // ----- Magic quotes trick // ----- Delete the zip file // TBC : I should test the result ... // ----- Rename the temporary file // TBC : I should test the result ... //@rename($v_zip_temp_name, $this->zipname); // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privOpenFd() // -------------------------------------------------------------------------------- // ----- Look if already open // ----- Open the zip file // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privCloseFd() // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privAddList() // $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 usefull if you want to have PclTar // running in any directory, and memorize relative path from an other directory. // $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 // $p_remove_dir : Path to remove in the filename path archived // -------------------------------------------------------------------------------- // function privAddList($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) $v_header_list =
array(); if (($v_result =
$this->privAddFileList($p_filedescr_list, $v_header_list, $p_options)) !=
1) // ----- Store the offset of the central dir // ----- Create the Central Dir files header for ($i=
0,$v_count=
0; $i<
sizeof($v_header_list); $i++
) // ----- Create the file header if ($v_header_list[$i]['status'] ==
'ok') { // ----- Transform the header to a 'usable' info // ----- Zip file comment // ----- Calculate the size of the central header // ----- Create the central dir footer // ----- Reset the file list // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privAddFileList() // $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) // -------------------------------------------------------------------------------- // ----- 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'] // ----- Skip empty file names // TBC : Can this be possible ? not checked in DescrParseAtt ? if ($p_filedescr_list[$j]['filename'] ==
"") { // ----- Check the filename if ( ($p_filedescr_list[$j]['type'] !=
'virtual_file') &&
(!file_exists($p_filedescr_list[$j]['filename']))) { // ----- 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') $v_result =
$this->privAddFile($p_filedescr_list[$j], $v_header, // ----- Store the file infos $p_result_list[$v_nb++
] =
$v_header; // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privAddFile() // -------------------------------------------------------------------------------- function privAddFile($p_filedescr, &$p_header, &$p_options) // ----- Working variable $p_filename =
$p_filedescr['filename']; // TBC : Already done in the fileAtt check ... ? // ----- Look for a stored different filename if (isset($p_filedescr['stored_filename'])) { $v_stored_filename = $p_filedescr['stored_filename']; $v_stored_filename = $p_filedescr['stored_filename']; // ----- Set the file properties $p_header['version'] =
20; $p_header['version_extracted'] =
10; $p_header['compression'] =
0; $p_header['compressed_size'] =
0; $p_header['filename_len'] =
strlen($p_filename); $p_header['extra_len'] =
0; $p_header['internal'] =
0; $p_header['filename'] =
$p_filename; // TBC : Removed $p_header['stored_filename'] = $v_stored_filename; $p_header['stored_filename'] =
$p_filedescr['stored_filename']; $p_header['status'] =
'ok'; // ----- Look for regular file if ($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; $p_header['size'] =
filesize($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') { $p_header['mtime'] =
time(); // ------ Look for file comment if (isset
($p_filedescr['comment'])) { $p_header['comment_len'] =
strlen($p_filedescr['comment']); $p_header['comment'] =
$p_filedescr['comment']; $p_header['comment_len'] =
0; $p_header['comment'] =
''; // ----- Look for pre-add callback // ----- Generate a local information $v_local_header =
array(); // ----- Call the callback // Here I do not use call_user_func() because I need to send a reference to the // eval('$v_result = '.$p_options[PCLZIP_CB_PRE_ADD].'(PCLZIP_CB_PRE_ADD, $v_local_header);'); // ----- Change the file status $p_header['status'] =
"skipped"; // ----- Update the informations // Only some fields can be modified if ($p_header['stored_filename'] !=
$v_local_header['stored_filename']) { // ----- Look for empty stored filename if ($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') { if ($p_filedescr['type'] ==
'file') { // ----- Look for using temporary file to zip // ----- Use "in memory" zip algo // ----- Open the source file if (($v_file =
@fopen($p_filename, "rb")) ==
0) { // ----- Read the file content $v_content =
@fread($v_file, $p_header['size']); // ----- Calculate the CRC $p_header['crc'] =
@crc32($v_content); // ----- Look for no compression // ----- Set header parameters $p_header['compressed_size'] =
$p_header['size']; $p_header['compression'] =
0; // ----- Look for normal compression // ----- Compress the content // ----- Set header parameters $p_header['compressed_size'] =
strlen($v_content); $p_header['compression'] =
8; // ----- Call the header generation // ----- Write the compressed (or not) content @fwrite($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 // ----- Set header parameters $p_header['compressed_size'] =
$p_header['size']; $p_header['compression'] =
0; // ----- Look for normal compression // ----- Compress the content // ----- Set header parameters $p_header['compressed_size'] =
strlen($v_content); $p_header['compression'] =
8; // ----- Call the header generation // ----- Write the compressed (or not) content @fwrite($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['external'] = 0x41FF0010; // Value for a folder : to be checked $p_header['external'] =
0x00000010; // Value for a folder : to be checked // ----- Call the header generation // ----- Look for post-add callback // ----- Generate a local information $v_local_header =
array(); // ----- Call the callback // Here I do not use call_user_func() because I need to send a reference to the // eval('$v_result = '.$p_options[PCLZIP_CB_POST_ADD].'(PCLZIP_CB_POST_ADD, $v_local_header);'); // ----- Update the informations // Nothing can be modified // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privAddFileUsingTempFile() // -------------------------------------------------------------------------------- // ----- Working variable $p_filename =
$p_filedescr['filename']; // ----- Open the source file if (($v_file =
@fopen($p_filename, "rb")) ==
0) { // ----- Creates a compressed temporary file if (($v_file_compressed =
@gzopen($v_gzip_temp_name, "wb")) ==
0) { // ----- Read the file by PCLZIP_READ_BLOCK_SIZE octets blocks $v_buffer =
@fread($v_file, $v_read_size); //$v_binary_data = pack('a'.$v_read_size, $v_buffer); @gzputs($v_file_compressed, $v_buffer, $v_read_size); // ----- Check the minimum file size // ----- Extract the compressed attributes if (($v_file_compressed =
@fopen($v_gzip_temp_name, "rb")) ==
0) { // ----- 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 $v_binary_data =
@fread($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; // ----- Call the header generation // ----- Add the compressed data if (($v_file_compressed =
@fopen($v_gzip_temp_name, "rb")) ==
0) // ----- Read the file by PCLZIP_READ_BLOCK_SIZE octets blocks fseek($v_file_compressed, 10); $v_size =
$p_header['compressed_size']; $v_buffer =
@fread($v_file_compressed, $v_read_size); //$v_binary_data = pack('a'.$v_read_size, $v_buffer); // ----- Unlink the temporary file // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privCalculateStoredFilename() // Based on file descriptor properties and global options, this method // calculate the filename that will be stored in the archive. // -------------------------------------------------------------------------------- // ----- Working variables $p_filename =
$p_filedescr['filename']; // ----- Look for full name change if (isset
($p_filedescr['new_full_name'])) { // ----- Remove drive letter if any // ----- Look for path and/or short name change // ----- Look for short name change // Its when we cahnge just the filename but not the path if (isset
($p_filedescr['new_short_name'])) { if ($v_path_info['dirname'] !=
'') { $v_dir =
$v_path_info['dirname'].
'/'; $v_stored_filename =
$v_dir.
$p_filedescr['new_short_name']; // ----- Calculate the stored filename $v_stored_filename =
$p_filename; // ----- Look for all path to remove $v_stored_filename =
basename($p_filename); // ----- Look for partial path remove else if ($p_remove_dir !=
"") { if (substr($p_remove_dir, -
1) !=
'/') 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); $v_stored_filename =
substr($v_stored_filename, // ----- Remove drive letter if any // ----- Look for path to add if (substr($p_add_dir, -
1) ==
"/") $v_stored_filename =
$p_add_dir.
$v_stored_filename; $v_stored_filename =
$p_add_dir.
"/".
$v_stored_filename; // ----- Filename (reduce the path of stored name) $p_filedescr['stored_filename'] =
$v_stored_filename; // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privWriteFileHeader() // -------------------------------------------------------------------------------- // ----- Store the offset position of the file // ----- 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']; $v_binary_data =
pack("VvvvvvVVVvv", 0x04034b50, $p_header['version_extracted'], $p_header['flag'], $p_header['compression'], $v_mtime, $v_mdate, $p_header['crc'], $p_header['compressed_size'], strlen($p_header['stored_filename']), // ----- Write the first 148 bytes of the header in the archive // ----- 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'], $p_header['extra_len']); // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privWriteCentralFileHeader() // -------------------------------------------------------------------------------- //for(reset($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']; $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'], $p_header['offset']); // ----- Write the 42 bytes of the header in the zip file // ----- Write the variable fields if (strlen($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']); // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privWriteCentralHeader() // -------------------------------------------------------------------------------- $v_binary_data =
pack("VvvvvVVv", 0x06054b50, 0, 0, $p_nb_entries, $p_offset, strlen($p_comment)); // ----- Write the 22 bytes of the header in the zip file // ----- Write the variable fields // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // ----- Magic quotes trick // ----- Open the zip file // ----- Magic quotes trick // ----- Read the central directory informations $v_central_dir =
array(); // ----- Go to beginning of Central Dir for ($i=
0; $i<
$v_central_dir['entries']; $i++
) // ----- Read the file header // ----- Get the only interesting attributes // ----- Close the zip file // ----- Magic quotes trick // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privConvertHeader2FileInfo() // This function takes the file informations 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. // -------------------------------------------------------------------------------- // ----- Get the interesting attributes $p_info['filename'] =
$v_temp_path; $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']; // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privExtractByRule() // Extract a file or directory depending of rules (by index, by name, ...) // $p_file_list : An array where will be placed the properties of each // $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 $p_remove_path are commulative. // 1 on success,0 or less on error (see error code list) // -------------------------------------------------------------------------------- function privExtractByRule(&$p_file_list, $p_path, $p_remove_path, $p_remove_all_path, &$p_options) // ----- Magic quotes trick ||
( (substr($p_path, 0, 1) !=
"/") &&
(substr($p_path, 0, 3) !=
"../") &&
(substr($p_path,1,2)!=
":/"))) // ----- Reduce the path last (and duplicated) '/' if (($p_path !=
"./") &&
($p_path !=
"/")) // ----- Look for the path end '/' while (substr($p_path, -
1) ==
"/") // ----- Look for path to remove format (should end by /) if (($p_remove_path !=
"") &&
(substr($p_remove_path, -
1) !=
'/')) $p_remove_path_size =
strlen($p_remove_path); // ----- Open the zip file // ----- Read the central directory informations $v_central_dir =
array(); // ----- Close the zip file // ----- Start at beginning of Central Dir $v_pos_entry =
$v_central_dir['offset']; for ($i=
0, $v_nb_extracted=
0; $i<
$v_central_dir['entries']; $i++
) // ----- Read next Central dir entry // ----- Close the zip file // ----- Read the file header // ----- Close the zip file // ----- Store the file position // ----- Look for the specific extract rules // ----- Look for extract by name rule // ----- Look if the filename is in the list // ----- Look for a directory // ----- Look if the directory is in the filename path // ----- Look for a filename // ----- Look for extract by ereg rule // ereg() is deprecated with PHP 5.3 else if ( (isset($p_options[PCLZIP_OPT_BY_EREG])) && ($p_options[PCLZIP_OPT_BY_EREG] != "")) { if (ereg($p_options[PCLZIP_OPT_BY_EREG], $v_header['stored_filename'])) { // ----- Look for extract by preg rule // ----- Look for extract by index rule // ----- Look if the index is in the list // ----- Look for no rule, which means extract all the archive // ----- Check compression method &&
( ($v_header['compression'] !=
8) &&
($v_header['compression'] !=
0))) { $v_header['status'] =
'unsupported_compression'; // ----- Look for PCLZIP_OPT_STOP_ON_ERROR "Filename '".
$v_header['stored_filename'].
"' is " .
"compressed by an unsupported compression " .
"method (".
$v_header['compression'].
") "); // ----- Check encrypted files if (($v_extract) &&
(($v_header['flag'] & 1) ==
1)) { $v_header['status'] =
'unsupported_encryption'; // ----- Look for PCLZIP_OPT_STOP_ON_ERROR "Unsupported encryption for " .
" filename '".
$v_header['stored_filename'] // ----- Look for real extraction if (($v_extract) &&
($v_header['status'] !=
'ok')) { $p_file_list[$v_nb_extracted++
]); // ----- Look for real extraction // ----- Go to the file position // ----- Close the zip file // ----- Look for extraction as string // ----- Extracting the file // ----- Get the only interesting attributes // ----- Close the zip file // ----- Set the file content $p_file_list[$v_nb_extracted]['content'] =
$v_string; // ----- Next extracted file // ----- Look for user callback abort // ----- Look for extraction in standard output // ----- Extracting the file in standard output // ----- Get the only interesting attributes // ----- Look for user callback abort // ----- Look for normal extraction // ----- Extracting the file // ----- Get the only interesting attributes // ----- Close the zip file // ----- Look for user callback abort // ----- Close the zip file // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privExtractFile() // PCLZIP_ERR_USER_ABORTED(2) : User ask for extraction stop in callback // -------------------------------------------------------------------------------- function privExtractFile(&$p_entry, $p_path, $p_remove_path, $p_remove_all_path, &$p_options) // ----- Read the file header // ----- Check that the file header is coherent with $p_entry info // ----- Look for all path to remove if ($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"; // ----- Get the basename of the path $p_entry['filename'] =
basename($p_entry['filename']); // ----- Look for path to remove else if ($p_remove_path !=
"") // ----- Change the file status $p_entry['status'] =
"filtered"; $p_remove_path_size =
strlen($p_remove_path); if (substr($p_entry['filename'], 0, $p_remove_path_size) ==
$p_remove_path) $p_entry['filename'] =
substr($p_entry['filename'], $p_remove_path_size); $p_entry['filename'] =
$p_path.
"/".
$p_entry['filename']; // ----- Check a base_dir_restriction "Filename '".
$p_entry['filename'].
"' is " .
"outside PCLZIP_OPT_EXTRACT_DIR_RESTRICTION"); // ----- Look for pre-extract callback // ----- Generate a local information $v_local_header =
array(); // ----- Call the callback // Here I do not use call_user_func() because I need to send a reference to the // eval('$v_result = '.$p_options[PCLZIP_CB_PRE_EXTRACT].'(PCLZIP_CB_PRE_EXTRACT, $v_local_header);'); // ----- Change the file status $p_entry['status'] =
"skipped"; // ----- Look for abort result // ----- This status is internal and will be changed in 'skipped' $p_entry['status'] =
"aborted"; // ----- Update the informations // 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 // ----- 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. "Filename '".
$p_entry['filename'].
"' is " .
"already used by an existing directory"); // ----- Look if file is write protected // ----- 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. "Filename '".
$p_entry['filename'].
"' exists " .
"and is write protected"); // ----- Look if the extracted file is older else if (filemtime($p_entry['filename']) >
$p_entry['mtime']) // ----- Change the file status $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. "Newer version of '".
$p_entry['filename'].
"' exists " .
"and option PCLZIP_OPT_REPLACE_NEWER is not selected"); // ----- Check the directory availability and create it if necessary if ((($p_entry['external']&0x00000010)==
0x00000010) ||
(substr($p_entry['filename'], -
1) ==
'/')) $v_dir_to_check =
$p_entry['filename']; else if (!strstr($p_entry['filename'], "/")) $v_dir_to_check =
dirname($p_entry['filename']); if (($v_result =
$this->privDirCheck($v_dir_to_check, (($p_entry['external']&0x00000010)==
0x00000010))) !=
1) { // ----- Change the file status $p_entry['status'] =
"path_creation_fail"; // ----- Look if extraction should be done if ($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"; // ----- Read the file by PCLZIP_READ_BLOCK_SIZE octets blocks $v_size =
$p_entry['compressed_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, $v_read_size); // ----- Closing the destination file // ----- Change the file mtime touch($p_entry['filename'], $p_entry['mtime']); if (($p_entry['flag'] & 1) ==
1) { // ----- Look for using temporary file to unzip // ----- Look for extract in memory // ----- Read the compressed file in a buffer (one shot) $v_buffer =
@fread($this->zip_fd, $p_entry['compressed_size']); // ----- Decompress the file if ($v_file_content ===
FALSE) { // ----- Change the file status $p_entry['status'] =
"error"; // ----- Opening destination file if (($v_dest_file =
@fopen($p_entry['filename'], 'wb')) ==
0) { // ----- Change the file status $p_entry['status'] =
"write_error"; // ----- Write the uncompressed data @fwrite($v_dest_file, $v_file_content, $p_entry['size']); // ----- Closing the destination file // ----- Change the file mtime @touch($p_entry['filename'], $p_entry['mtime']); // ----- Look for chmod option // ----- Change the mode of the file // ----- Change abort status if ($p_entry['status'] ==
"aborted") { $p_entry['status'] =
"skipped"; // ----- Look for post-extract callback // ----- Generate a local information $v_local_header =
array(); // ----- Call the callback // Here I do not use call_user_func() because I need to send a reference to the // eval('$v_result = '.$p_options[PCLZIP_CB_POST_EXTRACT].'(PCLZIP_CB_POST_EXTRACT, $v_local_header);'); // ----- Look for abort result // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privExtractFileUsingTempFile() // -------------------------------------------------------------------------------- // ----- Creates a temporary file if (($v_dest_file =
@fopen($v_gzip_temp_name, "wb")) ==
0) { // ----- 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 =
$p_entry['compressed_size']; //$v_binary_data = pack('a'.$v_read_size, $v_buffer); @fwrite($v_dest_file, $v_buffer, $v_read_size); // ----- Write gz file format footer $v_binary_data =
pack('VV', $p_entry['crc'], $p_entry['size']); @fwrite($v_dest_file, $v_binary_data, 8); // ----- Close the temporary file // ----- Opening destination file if (($v_dest_file =
@fopen($p_entry['filename'], 'wb')) ==
0) { $p_entry['status'] =
"write_error"; // ----- Open the temporary gz file if (($v_src_file =
@gzopen($v_gzip_temp_name, 'rb')) ==
0) { $p_entry['status'] =
"read_error"; // ----- Read the file by PCLZIP_READ_BLOCK_SIZE octets blocks $v_size =
$p_entry['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); // ----- Delete the temporary file // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privExtractFileInOutput() // -------------------------------------------------------------------------------- // ----- Read the file header // ----- Check that the file header is coherent with $p_entry info // ----- Look for pre-extract callback // ----- Generate a local information $v_local_header =
array(); // ----- Call the callback // Here I do not use call_user_func() because I need to send a reference to the // eval('$v_result = '.$p_options[PCLZIP_CB_PRE_EXTRACT].'(PCLZIP_CB_PRE_EXTRACT, $v_local_header);'); // ----- Change the file status $p_entry['status'] =
"skipped"; // ----- Look for abort result // ----- This status is internal and will be changed in 'skipped' $p_entry['status'] =
"aborted"; // ----- Update the informations // 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']) { // ----- Read the file in a buffer (one shot) $v_buffer =
@fread($this->zip_fd, $p_entry['compressed_size']); // ----- Send the file to the output // ----- Read the compressed file in a buffer (one shot) $v_buffer =
@fread($this->zip_fd, $p_entry['compressed_size']); // ----- Decompress the file // ----- Send the file to the output // ----- Change abort status if ($p_entry['status'] ==
"aborted") { $p_entry['status'] =
"skipped"; // ----- Look for post-extract callback // ----- Generate a local information $v_local_header =
array(); // ----- Call the callback // Here I do not use call_user_func() because I need to send a reference to the // eval('$v_result = '.$p_options[PCLZIP_CB_POST_EXTRACT].'(PCLZIP_CB_POST_EXTRACT, $v_local_header);'); // ----- Look for abort result // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privExtractFileAsString() // -------------------------------------------------------------------------------- // ----- Read the file header // ----- Check that the file header is coherent with $p_entry info // ----- Look for pre-extract callback // ----- Generate a local information $v_local_header =
array(); // ----- Call the callback // Here I do not use call_user_func() because I need to send a reference to the // eval('$v_result = '.$p_options[PCLZIP_CB_PRE_EXTRACT].'(PCLZIP_CB_PRE_EXTRACT, $v_local_header);'); // ----- Change the file status $p_entry['status'] =
"skipped"; // ----- Look for abort result // ----- This status is internal and will be changed in 'skipped' $p_entry['status'] =
"aborted"; // ----- Update the informations // 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 $p_string =
@fread($this->zip_fd, $p_entry['compressed_size']); // ----- Reading the file $v_data =
@fread($this->zip_fd, $p_entry['compressed_size']); // ----- Decompress the file if (($p_string =
@gzinflate($v_data)) ===
FALSE) { // TBC : error : can not extract a folder in a string // ----- Change abort status if ($p_entry['status'] ==
"aborted") { $p_entry['status'] =
"skipped"; // ----- Look for post-extract callback // ----- Generate a local information $v_local_header =
array(); // ----- Swap the content to header $v_local_header['content'] =
$p_string; // ----- Call the callback // Here I do not use call_user_func() because I need to send a reference to the // eval('$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 // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privReadFileHeader() // -------------------------------------------------------------------------------- // ----- Read the 4 bytes signature $v_data =
unpack('Vid', $v_binary_data); if ($v_data['id'] !=
0x04034b50) // ----- Read the first 42 bytes of the header // ----- Look for invalid block size if (strlen($v_binary_data) !=
26) $p_header['filename'] =
""; $p_header['status'] =
"invalid_header"; // ----- Extract the values $v_data =
unpack('vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len', $v_binary_data); $p_header['filename'] =
fread($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']); // ----- 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']) $v_hour =
($p_header['mtime'] & 0xF800) >>
11; $v_minute =
($p_header['mtime'] & 0x07E0) >>
5; $v_seconde =
($p_header['mtime'] & 0x001F)*
2; $v_year =
(($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); $p_header['mtime'] =
time(); //for(reset($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"; // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privReadCentralFileHeader() // -------------------------------------------------------------------------------- // ----- Read the 4 bytes signature $v_data =
unpack('Vid', $v_binary_data); if ($v_data['id'] !=
0x02014b50) // ----- Read the first 42 bytes of the header // ----- Look for invalid block size if (strlen($v_binary_data) !=
42) $p_header['filename'] =
""; $p_header['status'] =
"invalid_header"; // ----- 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', $v_binary_data); if ($p_header['filename_len'] !=
0) $p_header['filename'] =
fread($this->zip_fd, $p_header['filename_len']); $p_header['filename'] =
''; if ($p_header['extra_len'] !=
0) $p_header['extra'] =
fread($this->zip_fd, $p_header['extra_len']); if ($p_header['comment_len'] !=
0) $p_header['comment'] =
fread($this->zip_fd, $p_header['comment_len']); $p_header['comment'] =
''; // ----- Extract properties // ----- Recuperate date in UNIX format //if ($p_header['mdate'] && $p_header['mtime']) // TBC : bug : this was ignoring time with 0/0/0 $v_hour =
($p_header['mtime'] & 0xF800) >>
11; $v_minute =
($p_header['mtime'] & 0x07E0) >>
5; $v_seconde =
($p_header['mtime'] & 0x001F)*
2; $v_year =
(($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); $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; $p_header['external'] =
0x00000010; // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privCheckFileHeaders() // -------------------------------------------------------------------------------- // ----- Check the static values if ($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']; // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privReadEndCentralDir() // -------------------------------------------------------------------------------- // ----- Go to the end of the zip file // ----- 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_data =
@unpack('Vid', $v_binary_data); if ($v_data['id'] ==
0x06054b50) { // ----- Go back to the maximum possible size of the Central Dir End Record $v_maximum_size =
65557; // 0xFFFF + 22; if ($v_maximum_size >
$v_size) $v_maximum_size =
$v_size; if (@ftell($this->zip_fd) !=
($v_size-
$v_maximum_size)) // ----- Read byte per byte in order to find the signature //$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) // ----- Look if not found end of central dir // ----- Read the first 18 bytes of the header // ----- Look for invalid block size if (strlen($v_binary_data) !=
18) // ----- 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) !=
$v_size) { // ----- Removed in release 2.2 see readme file // The check of the file size is a little too strict. // Some bugs where found when a zip is encrypted/decrypted with 'crypt'. // While decrypted, zip has training 0 bytes 'The central dir is not at the end of the archive.' .
' Some trailing bytes exists after the archive.'); if ($v_data['comment_size'] !=
0) { $p_central_dir['comment'] =
fread($this->zip_fd, $v_data['comment_size']); $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'] =
$v_data['disk_start']; //for(reset($p_central_dir); $key = key($p_central_dir); next($p_central_dir)) { // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privDeleteByRule() // -------------------------------------------------------------------------------- $v_list_detail =
array(); // ----- Open the zip file // ----- Read the central directory informations $v_central_dir =
array(); // ----- Go to beginning of File // ----- Scan all the files // ----- Start at beginning of Central Dir $v_pos_entry =
$v_central_dir['offset']; // ----- Close the zip file $v_header_list =
array(); for ($i=
0, $v_nb_extracted=
0; $i<
$v_central_dir['entries']; $i++
) // ----- Read the file header $v_header_list[$v_nb_extracted] =
array(); // ----- Close the zip file $v_header_list[$v_nb_extracted]['index'] =
$i; // ----- Look for the specific extract rules // ----- Look for extract by name rule // ----- Look if the filename is in the list // ----- Look for a directory // ----- Look if the directory is in the filename path elseif ( (($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])) { // ----- Look for a filename elseif ($v_header_list[$v_nb_extracted]['stored_filename'] ==
$p_options[PCLZIP_OPT_BY_NAME][$j]) { // ----- 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'])) { // ----- Look for extract by preg rule // ----- Look for extract by index rule // ----- Look if the index is in the list // ----- Look for deletion unset
($v_header_list[$v_nb_extracted]); // ----- Look if something need to be deleted if ($v_nb_extracted >
0) { // ----- Creates a temporay file // ----- 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 =
$v_temp_zip->privOpenFd('wb')) !=
1) { // ----- Look which file need to be kept for ($i=
0; $i<
sizeof($v_header_list); $i++
) { // ----- Calculate the position of the header if (@fseek($this->zip_fd, $v_header_list[$i]['offset'])) { // ----- Close the zip file $v_temp_zip->privCloseFd(); // ----- Read the file header $v_local_header =
array(); // ----- Close the zip file $v_temp_zip->privCloseFd(); // ----- Check that local file header is same as central file header $v_header_list[$i]) !=
1) { // ----- Write the file header if (($v_result =
$v_temp_zip->privWriteFileHeader($v_header_list[$i])) !=
1) { // ----- Close the zip file $v_temp_zip->privCloseFd(); // ----- Read/write the data block // ----- Close the zip file $v_temp_zip->privCloseFd(); // ----- 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(); // ----- Transform the header to a 'usable' info $v_temp_zip->privConvertHeader2FileInfo($v_header_list[$i], $p_result_list[$i]); // ----- Zip file 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 $v_temp_zip->privCloseFd(); $v_temp_zip->privCloseFd(); // ----- Delete the zip file // TBC : I should test the result ... // ----- Rename the temporary file // TBC : I should test the result ... //@rename($v_zip_temp_name, $this->zipname); // ----- Destroy the temporary archive // ----- Remove every files : reset the file else if ($v_central_dir['entries'] !=
0) { // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privDirCheck() // Check if a directory exists, if not it creates it and all the parents directory // $p_dir : Directory path to check. // -1 : Unable to create directory // -------------------------------------------------------------------------------- // ----- Remove the final '/' if (($p_is_dir) &&
(substr($p_dir, -
1)==
'/')) // ----- Check the directory availability if ((is_dir($p_dir)) ||
($p_dir ==
"")) // ----- Extract parent directory if ($p_parent_dir !=
$p_dir) // ----- Look for parent directory // ----- Create the directory if (!@mkdir($p_dir, 0777)) // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privMerge() // If $p_archive_to_add does not exist, the function exit with a success result. // -------------------------------------------------------------------------------- // ----- Look if the archive_to_add exists if (!is_file($p_archive_to_add->zipname)) // ----- Nothing to merge, so merge is a success // ----- Look if the archive exists // ----- Open the zip file // ----- Read the central directory informations $v_central_dir =
array(); // ----- Go to beginning of File // ----- Open the archive_to_add file if (($v_result=
$p_archive_to_add->privOpenFd('rb')) !=
1) // ----- Read the central directory informations $v_central_dir_to_add =
array(); if (($v_result =
$p_archive_to_add->privReadEndCentralDir($v_central_dir_to_add)) !=
1) $p_archive_to_add->privCloseFd(); // ----- Go to beginning of File @rewind($p_archive_to_add->zip_fd); // ----- Creates a temporay file // ----- Open the temporary file in write mode if (($v_zip_temp_fd =
@fopen($v_zip_temp_name, 'wb')) ==
0) $p_archive_to_add->privCloseFd(); // ----- 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 =
$v_central_dir['offset']; @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size); // ----- Copy the files from the archive_to_add into the temporary file $v_size =
$v_central_dir_to_add['offset']; $v_buffer =
fread($p_archive_to_add->zip_fd, $v_read_size); @fwrite($v_zip_temp_fd, $v_buffer, $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 =
$v_central_dir['size']; @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size); // ----- Copy the block of file headers from the archive_to_add $v_size =
$v_central_dir_to_add['size']; $v_buffer =
@fread($p_archive_to_add->zip_fd, $v_read_size); @fwrite($v_zip_temp_fd, $v_buffer, $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 $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) $p_archive_to_add->privCloseFd(); // ----- Reset the file list // ----- Swap back the file descriptor $this->zip_fd =
$v_zip_temp_fd; $v_zip_temp_fd =
$v_swap; $p_archive_to_add->privCloseFd(); // ----- Close the temporary file // ----- Delete the zip file // TBC : I should test the result ... // ----- Rename the temporary file // TBC : I should test the result ... //@rename($v_zip_temp_name, $this->zipname); // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privDuplicate() // -------------------------------------------------------------------------------- // ----- Look if the $p_archive_filename exists // ----- Nothing to duplicate, so duplicate is a success. // ----- Open the zip file // ----- Open the temporary file in write mode if (($v_zip_temp_fd =
@fopen($p_archive_filename, 'rb')) ==
0) // ----- 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); $v_buffer =
fread($v_zip_temp_fd, $v_read_size); // ----- Close the temporary file // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privErrorLog() // -------------------------------------------------------------------------------- PclError($p_error_code, $p_error_string); // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privErrorReset() // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privDisableMagicQuotes() // -------------------------------------------------------------------------------- // ----- Look if function exists // ----- Look if already done // ----- Get and memorize the magic_quote value // ----- Disable magic_quotes // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : privSwapBackMagicQuotes() // -------------------------------------------------------------------------------- // ----- Look if function exists // ----- Look if something to do // ----- Swap back magic_quotes // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : PclZipUtilPathReduction() // -------------------------------------------------------------------------------- // ----- Look for not empty path // ----- Explode path by directory names // ----- Study directories from last to first for ($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[$i] ==
"..") { else if ($v_list[$i] ==
"") { // ----- First '/' i.e. root slash $v_result =
"/".
$v_result; // ----- It is an invalid path, so the path is not modified // ----- Last '/' i.e. indicates a directory else if ($i ==
(sizeof($v_list)-
1)) { // ----- Double '/' inside the path // ----- Ignore only the double '//' in path, // but not the first and last '/' // ----- Look for item to skip $v_result =
$v_list[$i].
($i!=
(sizeof($v_list)-
1)?
"/".
$v_result:
""); $v_result =
'../'.
$v_result; // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : PclZipUtilPathInclusion() // 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 // 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. // 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 $p_dir // -------------------------------------------------------------------------------- // ----- Look for path beginning by ./ ||
((strlen($p_dir) >=
2) &&
(substr($p_dir, 0, 2) ==
'./'))) { ||
((strlen($p_path) >=
2) &&
(substr($p_path, 0, 2) ==
'./'))) { // ----- 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 while (($i <
$v_list_dir_size) &&
($j <
$v_list_path_size) &&
($v_result)) { // ----- Look for empty dir (path reduction) if ($v_list_dir[$i] ==
'') { if ($v_list_path[$j] ==
'') { // ----- Compare the items if (($v_list_dir[$i] !=
$v_list_path[$j]) &&
($v_list_dir[$i] !=
'') &&
( $v_list_path[$j] !=
'')) { // ----- Look if everything seems to be the same // ----- 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 >=
$v_list_path_size)) { // ----- There are exactly the same else if ($i <
$v_list_dir_size) { // ----- The path is shorter than the dir // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : PclZipUtilCopyBlock() // $p_mode : read/write compression mode // 1 : src gzip, dest normal // 2 : src normal, dest gzip // -------------------------------------------------------------------------------- $v_buffer =
@fread($p_src, $v_read_size); @fwrite($p_dest, $v_buffer, $v_read_size); $v_buffer =
@gzread($p_src, $v_read_size); @fwrite($p_dest, $v_buffer, $v_read_size); $v_buffer =
@fread($p_src, $v_read_size); @gzwrite($p_dest, $v_buffer, $v_read_size); $v_buffer =
@gzread($p_src, $v_read_size); @gzwrite($p_dest, $v_buffer, $v_read_size); // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : PclZipUtilRename() // 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 // $p_dest : New filename // 1 on success, 0 on failure. // -------------------------------------------------------------------------------- // ----- Try to rename the files if (!@rename($p_src, $p_dest)) { // ----- Try to copy & unlink the src if (!@copy($p_src, $p_dest)) { // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : PclZipUtilOptionText() // Translate option value in text. Mainly for debug purpose. // $p_option : the option value. // The option text value. // -------------------------------------------------------------------------------- for (reset($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)) { // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : PclZipUtilTranslateWinPath() // Translate windows path by replacing '\' by '/' and optionally removing // $p_path : path to translate. // $p_remove_disk_letter : true | false // -------------------------------------------------------------------------------- // ----- Look for potential disk letter if (($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, '\\', '/'); // --------------------------------------------------------------------------------
