Source for file Zip.php
Documentation is available at Zip.php
/* vim: set ts=4 sw=4: */
// +----------------------------------------------------------------------+
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2003 The PHP Group |
// +----------------------------------------------------------------------+
// | This library is free software; you can redistribute it and/or |
// | modify it under the terms of the GNU Lesser General Public |
// | License as published by the Free Software Foundation; either |
// | version 2.1 of the License, or (at your option) any later version. |
// | This library is distributed in the hope that it will be useful, |
// | but WITHOUT ANY WARRANTY; without even the implied warranty of |
// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
// | Lesser General Public License for more details. |
// | You should have received a copy of the GNU Lesser General Public |
// | License along with this library; if not, write to the Free Software |
// | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
// +----------------------------------------------------------------------+
// | Author: Vincent Blavet <vincent@phpconcept.net> |
// +----------------------------------------------------------------------+
// $Id: Zip.php 302924 2010-08-31 14:45:47Z clockwerx $
define('ARCHIVE_ZIP_READ_BLOCK_SIZE', 2048 );
// ----- File list separator
define('ARCHIVE_ZIP_SEPARATOR', ',');
// ----- 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('ARCHIVE_ZIP_TEMPORARY_DIR', '/temp/');
// define('ARCHIVE_ZIP_TEMPORARY_DIR', 'C:/Temp/');
define('ARCHIVE_ZIP_TEMPORARY_DIR', '');
define('ARCHIVE_ZIP_ERR_NO_ERROR', 0 );
define('ARCHIVE_ZIP_ERR_WRITE_OPEN_FAIL', -1 );
define('ARCHIVE_ZIP_ERR_READ_OPEN_FAIL', -2 );
define('ARCHIVE_ZIP_ERR_INVALID_PARAMETER', -3 );
define('ARCHIVE_ZIP_ERR_MISSING_FILE', -4 );
define('ARCHIVE_ZIP_ERR_FILENAME_TOO_LONG', -5 );
define('ARCHIVE_ZIP_ERR_INVALID_ZIP', -6 );
define('ARCHIVE_ZIP_ERR_BAD_EXTRACTED_FILE', -7 );
define('ARCHIVE_ZIP_ERR_DIR_CREATE_FAIL', -8 );
define('ARCHIVE_ZIP_ERR_BAD_EXTENSION', -9 );
define('ARCHIVE_ZIP_ERR_BAD_FORMAT', -10 );
define('ARCHIVE_ZIP_ERR_DELETE_FILE_FAIL', -11 );
define('ARCHIVE_ZIP_ERR_RENAME_FILE_FAIL', -12 );
define('ARCHIVE_ZIP_ERR_BAD_CHECKSUM', -13 );
define('ARCHIVE_ZIP_ERR_INVALID_ARCHIVE_ZIP', -14 );
define('ARCHIVE_ZIP_ERR_MISSING_OPTION_VALUE', -15 );
define('ARCHIVE_ZIP_ERR_INVALID_PARAM_VALUE', -16 );
define('ARCHIVE_ZIP_WARN_NO_WARNING', 0 );
define('ARCHIVE_ZIP_WARN_FILE_EXIST', 1 );
// ----- Methods parameters
define('ARCHIVE_ZIP_PARAM_PATH', 'path');
define('ARCHIVE_ZIP_PARAM_ADD_PATH', 'add_path');
define('ARCHIVE_ZIP_PARAM_REMOVE_PATH', 'remove_path');
define('ARCHIVE_ZIP_PARAM_REMOVE_ALL_PATH', 'remove_all_path');
define('ARCHIVE_ZIP_PARAM_SET_CHMOD', 'set_chmod');
define('ARCHIVE_ZIP_PARAM_EXTRACT_AS_STRING', 'extract_as_string');
define('ARCHIVE_ZIP_PARAM_NO_COMPRESSION', 'no_compression');
define('ARCHIVE_ZIP_PARAM_BY_NAME', 'by_name');
define('ARCHIVE_ZIP_PARAM_BY_INDEX', 'by_index');
define('ARCHIVE_ZIP_PARAM_BY_PREG', 'by_preg');
define('ARCHIVE_ZIP_PARAM_PRE_EXTRACT', 'callback_pre_extract');
define('ARCHIVE_ZIP_PARAM_POST_EXTRACT', 'callback_post_extract');
define('ARCHIVE_ZIP_PARAM_PRE_ADD', 'callback_pre_add');
define('ARCHIVE_ZIP_PARAM_POST_ADD', 'callback_post_add');
* Class for manipulating zip archive files
* A class which provided common methods to manipulate ZIP formatted
* It provides creation, extraction, deletion and add features.
* @author Vincent Blavet <vincent@blavet.net>
* @version $Revision: 302924 $
* The filename of the zip archive.
* @var string Name of the Zip file
* File descriptor of the opened Zip file.
* @var int Internal zip file descriptor
* @var int last error code
* @var string Last error description
* Archive_Zip Class constructor. This flavour of the constructor only
* declare a new Archive_Zip object, identifying it by the name of the
* @param string $p_zipname The name of the zip archive to create
PEAR ::loadExtension ('zlib');
die ("The extension 'zlib' couldn't be found.\n".
"Please make sure your version of PHP was built ".
"with 'zlib' support.\n");
// ----- Set the attributes
$this->_zipname = $p_zipname;
* This method creates a Zip Archive with the filename set with
* The files and directories indicated in $p_filelist
* are added in the archive.
* When a directory is in the list, the directory and its content is added
* The methods takes a variable list of parameters in $p_params.
* The supported parameters for this method are :
* 'add_path' : Add a path to the archived files.
* 'remove_path' : Remove the specified 'root' path of the archived files.
* 'remove_all_path' : Remove all the path of the archived files.
* 'no_compression' : The archived files will not be compressed.
* @param mixed $p_filelist The list of the files or folders to add.
* It can be a string with filenames separated
* by a comma, or an array of filenames.
* @param mixed $p_params An array of variable parameters and values.
* @return mixed An array of file description on success,
function create($p_filelist, $p_params = 0 )
// ----- Set default values
if ($this->_check_parameters ($p_params,
array ('no_compression' => false ,
'remove_all_path' => false )) != 1 ) {
// ----- Look if the $p_filelist is really an array
$p_result_list = array ();
$v_result = $this->_create ($p_filelist, $p_result_list, $p_params);
// ----- Create a list with the elements from the string
$v_result = $this->_create ($v_list, $p_result_list, $p_params);
'Invalid variable type p_filelist');
* This method add files or directory in an existing Zip Archive.
* If the Zip Archive does not exist it is created.
* The files and directories to add are indicated in $p_filelist.
* When a directory is in the list, the directory and its content is added
* The methods takes a variable list of parameters in $p_params.
* The supported parameters for this method are :
* 'add_path' : Add a path to the archived files.
* 'remove_path' : Remove the specified 'root' path of the archived files.
* 'remove_all_path' : Remove all the path of the archived files.
* 'no_compression' : The archived files will not be compressed.
* 'callback_pre_add' : A callback function that will be called before
* 'callback_post_add' : A callback function that will be called after
* @param mixed $p_filelist The list of the files or folders to add.
* It can be a string with filenames separated
* by a comma, or an array of filenames.
* @param mixed $p_params An array of variable parameters and values.
* @return mixed An array of file description on success,
* 0 on an unrecoverable failure, an error code is logged.
function add($p_filelist, $p_params = 0 )
// ----- Set default values
if ($this->_check_parameters ($p_params,
array ('no_compression' => false ,
'remove_all_path' => false ,
'callback_pre_add' => '',
'callback_post_add' => '')) != 1 ) {
// ----- Look if the $p_filelist is really an array
$p_result_list = array ();
// ----- Call the create fct
$v_result = $this->_add ($p_filelist, $p_result_list, $p_params);
// ----- Create a list with the elements from the string
// ----- Call the create fct
$v_result = $this->_add ($v_list, $p_result_list, $p_params);
"add() : Invalid variable type p_filelist");
* This method gives the names and properties of the files and directories
* which are present in the zip archive.
* The properties of each entries in the list are :
* filename : Name of the file.
* For create() or add() it's the filename given by the user.
* For an extract() it's the filename of the extracted file.
* stored_filename : Name of the file / directory stored in the archive.
* size : Size of the stored file.
* compressed_size : Size of the file's data compressed in the archive
* (without the zip headers overhead)
* mtime : Last known modification date of the file (UNIX timestamp)
* comment : Comment associated with the file
* folder : true | false (indicates if the entry is a folder)
* index : index of the file in the archive (-1 when not available)
* status : status of the action on the entry (depending of the action) :
* filtered : the file/dir was not extracted (filtered by user)
* already_a_directory : the file can't be extracted because a
* directory with the same name already
* write_protected : the file can't be extracted because a file
* with the same name already exists and is
* newer_exist : the file was not extracted because a newer
* path_creation_fail : the file is not extracted because the
* folder does not exists and can't be
* write_error : the file was not extracted because there was a
* error while writing the file
* read_error : the file was not extracted because there was a
* error while reading the file
* invalid_header : the file was not extracted because of an
* archive format error (bad file header)
* Note that each time a method can continue operating when there
* is an error on a single file, the error is only logged in the file status.
* @return mixed An array of file description on success,
* 0 on an unrecoverable failure, an error code is logged.
if (!$this->_checkFormat ()) {
if ($this->_list ($v_list) != 1 ) {
* This method extract the files and folders which are in the zip archive.
* It can extract all the archive or a part of the archive by using filter
* feature (extract by name, by index, by preg). The extraction
* can occur in the current path or an other path.
* All the advanced features are activated by the use of variable
* The return value is an array of entry descriptions which gives
* information on extracted files (See listContent()).
* The method may return a success value (an array) even if some files
* are not correctly extracted (see the file status in listContent()).
* The supported variable parameters for this method are :
* 'add_path' : Path where the files and directories are to be extracted
* 'remove_path' : First part ('root' part) of the memorized path
* (if similar) to remove while extracting.
* 'remove_all_path' : Remove all the memorized path while extracting.
* 'set_chmod' : After the extraction of the file the indicated mode
* 'by_name' : It can be a string with file/dir names separated by ',',
* or an array of file/dir names to extract from the archive.
* 'by_index' : A string with range of indexes separated by ',',
* 'by_preg' : A regular expression (preg) that must match the extracted
* 'callback_pre_extract' : A callback function that will be called before
* 'callback_post_extract' : A callback function that will be called after
* @param mixed $p_params An array of variable parameters and values.
* @return mixed An array of file description on success,
* 0 on an unrecoverable failure, an error code is logged.
if (!$this->_checkFormat ()) {
// ----- Set default values
if ($this->_check_parameters ($p_params,
array ('extract_as_string' => false ,
'remove_all_path' => false ,
'callback_pre_extract' => '',
'callback_post_extract' => '',
'by_preg' => '') ) != 1 ) {
// ----- Call the extracting fct
if ($this->_extractByRule ($v_list, $p_params) != 1 ) {
* This methods delete archive entries in the zip archive.
* Notice that at least one filtering rule (set by the variable parameter
* Also notice that if you delete a folder entry, only the folder entry
* is deleted, not all the files bellonging to this folder.
* The supported variable parameters for this method are :
* 'by_name' : It can be a string with file/dir names separated by ',',
* or an array of file/dir names to delete from the archive.
* 'by_index' : A string with range of indexes separated by ',',
* 'by_preg' : A regular expression (preg) that must match the extracted
* @param mixed $p_params An array of variable parameters and values.
* @return mixed An array of file description on success,
* 0 on an unrecoverable failure, an error code is logged.
if (!$this->_checkFormat ()) {
// ----- Set default values
if ($this->_check_parameters ($p_params,
'by_preg' => '') ) != 1 ) {
// ----- Check that at least one rule is set
if (($p_params['by_name'] == '')
&& ($p_params['by_index'] == '')
&& ($p_params['by_preg'] == '')) {
'At least one filtering rule must'
. ' be set as parameter');
// ----- Call the delete fct
if ($this->_deleteByRule ($v_list, $p_params) != 1 ) {
* This method gives the global properties of the archive.
* nb : Number of files in the archive
* comment : Comment associated with the archive file
* @return mixed An array with the global properties or 0 on error.
if (!$this->_checkFormat ()) {
// ----- Default properties
$v_prop['status'] = 'not_exist';
// ----- Look if file exists
// ----- Open the zip file
if (($this->_zip_fd = @fopen($this->_zipname, 'rb')) == 0 ) {
'Unable to open archive \''. $this->_zipname
. '\' in binary read mode');
// ----- Read the central directory informations
$v_central_dir = array ();
if (($v_result = $this->_readEndCentralDir ($v_central_dir)) != 1 ) {
// ----- Set the user attributes
$v_prop['comment'] = $v_central_dir['comment'];
$v_prop['nb'] = $v_central_dir['entries'];
$v_prop['status'] = 'ok';
* 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
* @param mixed $p_archive It can be a valid Archive_Zip object or
* the filename of a valid zip archive.
* @return integer 1 on success, 0 on failure.
// ----- Look if the $p_archive is a Archive_Zip object
$v_result = $this->_duplicate ($p_archive->_zipname );
// ----- Check that $p_archive is a valid zip file
// TBC : Should also check the archive format
"No file with filename '". $p_archive. "'");
$v_result = $this->_duplicate ($p_archive);
"Invalid variable type p_archive_to_add");
* This method merge a valid zip archive at the end of the
* archive identified by the Archive_Zip object.
* If the archive ($this) does not exist, the merge becomes a duplicate.
* If the archive to add does not exist, the merge is a success.
* @param mixed $p_archive_to_add It can be a valid Archive_Zip object or
* the filename of a valid zip archive.
* @return integer 1 on success, 0 on failure.
function merge($p_archive_to_add)
if (!$this->_checkFormat ()) {
// ----- Look if the $p_archive_to_add is a Archive_Zip object
$v_result = $this->_merge ($p_archive_to_add);
// ----- Create a temporary archive
$v_object_archive = new Archive_Zip($p_archive_to_add);
// ----- Merge the archive
$v_result = $this->_merge ($v_object_archive);
"Invalid variable type p_archive_to_add");
* Method that gives the lastest error code.
* @return integer The error code value.
return($this->_error_code);
* This method gives the latest error code name.
* @param boolean $p_with_code If true, gives the name and the int value.
* @return string The error name.
// ----- Extract error constants from all const.
for (reset($v_const_list);
list ($v_key, $v_value) = each($v_const_list); ) {
if (substr($v_key, 0 , strlen('ARCHIVE_ZIP_ERR_')) == 'ARCHIVE_ZIP_ERR_') {
$v_error_list[$v_key] = $v_value;
// ----- Search the name form the code value
$v_key = array_search($this->_error_code, $v_error_list, true );
return($v_value. ' ('. $this->_error_code. ')');
* This method returns the description associated with the latest error.
* @param boolean $p_full If set to true gives the description with the
* error code, the name and the description.
* If set to false gives only the description
* @return string The error description.
return($this->errorName(true ). " : ". $this->_error_string);
return($this->_error_string. " [code ". $this->_error_code. "]");
// -----------------------------------------------------------------------------
// ***** UNDER THIS LINE ARE DEFINED PRIVATE INTERNAL FUNCTIONS *****
// ***** THESES FUNCTIONS MUST NOT BE USED DIRECTLY *****
// -----------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// Function : _checkFormat()
// 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.
// ---------------------------------------------------------------------------
* Archive_Zip::_checkFormat()
* @param integer $p_level
function _checkFormat ($p_level = 0 )
// ----- Reset the error handler
// ----- Look if the file exits
"Missing archive file '". $this->_zipname. "'");
// ----- Check that the file is readeable
"Unable to read archive '". $this->_zipname. "'");
// ----- Check the magic code
// ----- Check the central header
// ----- Check each file header
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
function _create ($p_list, &$p_result_list, &$p_params)
$v_list_detail = array ();
$p_add_dir = $p_params['add_path'];
$p_remove_dir = $p_params['remove_path'];
$p_remove_all_dir = $p_params['remove_all_path'];
// ----- Open the file in write mode
if (($v_result = $this->_openFd ('wb')) != 1 ) {
// ----- Add the list of files
$v_result = $this->_addList ($p_list, $p_result_list, $p_add_dir, $p_remove_dir, $p_remove_all_dir, $p_params);
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
function _add ($p_list, &$p_result_list, &$p_params)
$v_list_detail = array ();
$p_add_dir = $p_params['add_path'];
$p_remove_dir = $p_params['remove_path'];
$p_remove_all_dir = $p_params['remove_all_path'];
// ----- Look if the archive exists or is empty and need to be created
$v_result = $this->_create ($p_list, $p_result_list, $p_params);
// ----- Open the zip file
if (($v_result = $this->_openFd ('rb')) != 1 ) {
// ----- Read the central directory informations
$v_central_dir = array ();
if (($v_result = $this->_readEndCentralDir ($v_central_dir)) != 1 ) {
// ----- 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 ) {
'Unable to open temporary file \''
. $v_zip_temp_name. '\' in binary write mode');
// ----- Copy the files from the archive to the temporary file
// TBC : Here I should better append the file and go back to erase the
$v_size = $v_central_dir['offset'];
$v_buffer = fread($this->_zip_fd, $v_read_size);
@fwrite($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
$v_swap = $this->_zip_fd;
$this->_zip_fd = $v_zip_temp_fd;
$v_zip_temp_fd = $v_swap;
$v_header_list = array ();
if (($v_result = $this->_addFileList ($p_list, $v_header_list,
$p_add_dir, $p_remove_dir,
$p_remove_all_dir, $p_params)) != 1 ) {
// ----- Store the offset of the central dir
$v_offset = @ftell($this->_zip_fd);
// ----- Copy the block of file headers from the old archive
$v_size = $v_central_dir['size'];
$v_buffer = @fread($v_zip_temp_fd, $v_read_size);
@fwrite($this->_zip_fd, $v_buffer, $v_read_size);
// ----- Create the Central Dir files header
for ($i = 0 , $v_count = 0; $i< sizeof($v_header_list); $i++ ) {
// ----- Create the file header
if ($v_header_list[$i]['status'] == 'ok') {
if (($v_result = $this->_writeCentralFileHeader ($v_header_list[$i]))!=1 ) {
// ----- Transform the header to a 'usable' info
$this->_convertHeader2FileInfo ($v_header_list[$i], $p_result_list[$i]);
// ----- Zip file comment
// ----- Calculate the size of the central header
$v_size = @ftell($this->_zip_fd)- $v_offset;
// ----- Create the central dir footer
if (($v_result = $this->_writeCentralHeader ($v_count
+ $v_central_dir['entries'],
// ----- Reset the file list
// ----- Swap back the file descriptor
$v_swap = $this->_zip_fd;
$this->_zip_fd = $v_zip_temp_fd;
$v_zip_temp_fd = $v_swap;
// ----- Close the temporary file
// ----- Delete the zip file
// TBC : I should test the result ...
// ----- Rename the temporary file
// TBC : I should test the result ...
//@rename($v_zip_temp_name, $this->_zipname);
$this->_tool_Rename ($v_zip_temp_name, $this->_zipname);
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
function _openFd ($p_mode)
// ----- Look if already open
if ($this->_zip_fd != 0 ) {
'Zip file \''. $this->_zipname. '\' already open');
// ----- Open the zip file
if (($this->_zip_fd = @fopen($this->_zipname, $p_mode)) == 0 ) {
'Unable to open archive \''. $this->_zipname
. '\' in '. $p_mode. ' mode');
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
* Archive_Zip::_closeFd()
if ($this->_zip_fd != 0 ) {
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// $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
// $p_remove_dir : Path to remove in the filename path archived
// ---------------------------------------------------------------------------
* Archive_Zip::_addList()
function _addList ($p_list, &$p_result_list,
$p_add_dir, $p_remove_dir, $p_remove_all_dir, &$p_params)
$v_header_list = array ();
if (($v_result = $this->_addFileList ($p_list, $v_header_list,
$p_add_dir, $p_remove_dir,
$p_remove_all_dir, $p_params)) != 1 ) {
// ----- Store the offset of the central dir
$v_offset = @ftell($this->_zip_fd);
// ----- Create the Central Dir files header
for ($i = 0 , $v_count = 0; $i< sizeof($v_header_list); $i++ ) {
// ----- Create the file header
if ($v_header_list[$i]['status'] == 'ok') {
if (($v_result = $this->_writeCentralFileHeader ($v_header_list[$i])) != 1 ) {
// ----- Transform the header to a 'usable' info
$this->_convertHeader2FileInfo ($v_header_list[$i], $p_result_list[$i]);
// ----- Zip file comment
// ----- Calculate the size of the central header
$v_size = @ftell($this->_zip_fd)- $v_offset;
// ----- Create the central dir footer
if (($v_result = $this->_writeCentralHeader ($v_count, $v_size, $v_offset,
// ----- Reset the file list
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// Function : _addFileList()
// $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
// run the lib 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
// $p_remove_dir : Path to remove in the filename path archived
// ---------------------------------------------------------------------------
* Archive_Zip::_addFileList()
function _addFileList ($p_list, &$p_result_list,
$p_add_dir, $p_remove_dir, $p_remove_all_dir,
// ----- Recuperate the current number of elt in list
$v_nb = sizeof($p_result_list);
// ----- Loop on the files
for ($j = 0; ($j< count($p_list)) && ($v_result == 1 ); $j++ ) {
// ----- Recuperate the filename
$p_filename = $this->_tool_TranslateWinPath ($p_list[$j], false );
// ----- Skip empty file names
// ----- Check the filename
" File '$p_filename' does not exists" );
// ----- Look if it is a file or a dir with no all pathnre move
if ((is_file($p_filename)) || ((is_dir($p_filename)) && !$p_remove_all_dir)) {
if (($v_result = $this->_addFile ($p_filename, $v_header, $p_add_dir, $p_remove_dir, $p_remove_all_dir, $p_params)) != 1 ) {
// ----- Store the file infos
$p_result_list[$v_nb++ ] = $v_header;
// ----- Look for directory
if ($p_filename != ".") {
$v_path = $p_filename. "/";
// ----- Read the directory for files and sub-directories
$p_hitem = readdir($p_hdir); // '.' directory
$p_hitem = readdir($p_hdir); // '..' directory
while ($p_hitem = readdir($p_hdir)) {
if (($v_result = $this->_addFile ($v_path. $p_hitem, $v_header, $p_add_dir, $p_remove_dir, $p_remove_all_dir, $p_params)) != 1 ) {
// ----- Store the file infos
$p_result_list[$v_nb++ ] = $v_header;
// ----- Recursive call to _addFileList()
// ----- Need an array as parameter
$p_temp_list[0 ] = $v_path. $p_hitem;
$v_result = $this->_addFileList ($p_temp_list, $p_result_list, $p_add_dir, $p_remove_dir, $p_remove_all_dir, $p_params);
// ----- Update the number of elements of the list
$v_nb = sizeof($p_result_list);
// ----- Free memory for the recursive loop
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
* Archive_Zip::_addFile()
function _addFile ($p_filename, &$p_header, $p_add_dir, $p_remove_dir, $p_remove_all_dir, &$p_params)
// ----- Calculate the stored filename
$v_stored_filename = $p_filename;
// ----- Look for all path to remove
$v_stored_filename = basename($p_filename);
} 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_compare = $this->_tool_PathInclusion ($p_remove_dir, $p_filename);
$v_stored_filename = substr($p_filename, strlen($p_remove_dir));
// ----- Look for path to add
if (substr($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)
$v_stored_filename = $this->_tool_PathReduction ($v_stored_filename);
/* filename length moved after call-back in release 1.3
// ----- Check the path length
if (strlen($v_stored_filename) > 0xFF) {
$this->_errorLog(-5, "Stored file name is too long (max. 255) : '$v_stored_filename'");
return Archive_Zip::errorCode();
// ----- Set the file properties
$p_header['comment'] = '';
$p_header['comment_len'] = 0;
$p_header['compressed_size'] = 0;
$p_header['compression'] = 0;
$p_header['external'] = (is_file($p_filename)?0xFE49FFE0:0x41FF0010 );
$p_header['extra_len'] = 0;
$p_header['filename'] = $p_filename;
$p_header['filename_len'] = strlen($p_filename);
$p_header['internal'] = 0;
$p_header['size'] = filesize($p_filename);
$p_header['status'] = 'ok';
$p_header['stored_filename'] = $v_stored_filename;
$p_header['version'] = 20;
$p_header['version_extracted'] = 10;
// ----- Look for pre-add callback
// ----- Generate a local information
$v_local_header = array ();
$this->_convertHeader2FileInfo ($p_header, $v_local_header);
// ----- Call the callback
// Here I do not use call_user_func() because I need to send a reference to the
// ----- 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']) {
$p_header['stored_filename'] = $this->_tool_PathReduction ($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') {
// ----- Open the source file
if (($v_file = @fopen($p_filename, "rb")) == 0 ) {
if ($p_params['no_compression']) {
// ----- Read the file content
$v_content_compressed = @fread($v_file, $p_header['size']);
// ----- Calculate the CRC
$p_header['crc'] = crc32($v_content_compressed);
// ----- Read the file content
$v_content = @fread($v_file, $p_header['size']);
// ----- Calculate the CRC
$p_header['crc'] = crc32($v_content);
// ----- Compress the file
$v_content_compressed = gzdeflate($v_content);
// ----- Set header parameters
$p_header['compressed_size'] = strlen($v_content_compressed);
$p_header['compression'] = 8;
// ----- Call the header generation
if (($v_result = $this->_writeFileHeader ($p_header)) != 1 ) {
// ----- Write the compressed content
$v_binary_data = pack('a'. $p_header['compressed_size'], $v_content_compressed);
@fwrite($this->_zip_fd, $v_binary_data, $p_header['compressed_size']);
// ----- Look for a directory
// ----- Set the file properties
$p_header['filename'] .= '/';
$p_header['filename_len']++;
$p_header['external'] = 0x41FF0010; // Value for a folder : to be checked
// ----- Call the header generation
if (($v_result = $this->_writeFileHeader ($p_header)) != 1 ) {
// ----- Look for pre-add callback
// ----- Generate a local information
$v_local_header = array ();
$this->_convertHeader2FileInfo ($p_header, $v_local_header);
// ----- Call the callback
// Here I do not use call_user_func() because I need to send a reference to the
// ----- Update the informations
// Nothing can be modified
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// Function : _writeFileHeader()
// ---------------------------------------------------------------------------
* Archive_Zip::_writeFileHeader()
function _writeFileHeader (&$p_header)
//for(reset($p_header); $key = key($p_header); next($p_header)) {
// ----- Store the offset position of the file
$p_header['offset'] = ftell($this->_zip_fd);
// ----- Transform UNIX mtime to DOS format mdate/mtime
$v_date = getdate($p_header['mtime']);
$v_mtime = ($v_date['hours']<<11 ) + ($v_date['minutes']<<5 ) + $v_date['seconds']/2;
$v_mdate = (($v_date['year']-1980 )<<9 ) + ($v_date['mon']<<5 ) + $v_date['mday'];
$v_binary_data = pack("VvvvvvVVVvv", 0x04034b50 , $p_header['version'], $p_header['flag'],
$p_header['compression'], $v_mtime, $v_mdate,
$p_header['crc'], $p_header['compressed_size'], $p_header['size'],
strlen($p_header['stored_filename']), $p_header['extra_len']);
// ----- Write the first 148 bytes of the header in the archive
fputs($this->_zip_fd, $v_binary_data, 30 );
// ----- Write the variable fields
if (strlen($p_header['stored_filename']) != 0 ) {
fputs($this->_zip_fd, $p_header['stored_filename'], strlen($p_header['stored_filename']));
if ($p_header['extra_len'] != 0 ) {
fputs($this->_zip_fd, $p_header['extra'], $p_header['extra_len']);
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// Function : _writeCentralFileHeader()
// ---------------------------------------------------------------------------
* Archive_Zip::_writeCentralFileHeader()
function _writeCentralFileHeader (&$p_header)
//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'], $p_header['offset']);
// ----- Write the 42 bytes of the header in the zip file
fputs($this->_zip_fd, $v_binary_data, 46 );
// ----- Write the variable fields
if (strlen($p_header['stored_filename']) != 0 ) {
fputs($this->_zip_fd, $p_header['stored_filename'], strlen($p_header['stored_filename']));
if ($p_header['extra_len'] != 0 ) {
fputs($this->_zip_fd, $p_header['extra'], $p_header['extra_len']);
if ($p_header['comment_len'] != 0 ) {
fputs($this->_zip_fd, $p_header['comment'], $p_header['comment_len']);
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// Function : _writeCentralHeader()
// ---------------------------------------------------------------------------
* Archive_Zip::_writeCentralHeader()
function _writeCentralHeader ($p_nb_entries, $p_size, $p_offset, $p_comment)
$v_binary_data = pack("VvvvvVVv", 0x06054b50 , 0 , 0 , $p_nb_entries, $p_nb_entries, $p_size, $p_offset, strlen($p_comment));
// ----- Write the 22 bytes of the header in the zip file
fputs($this->_zip_fd, $v_binary_data, 22 );
// ----- Write the variable fields
if (strlen($p_comment) != 0 ) {
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// ----- Open the zip file
if (($this->_zip_fd = @fopen($this->_zipname, 'rb')) == 0 ) {
// ----- Read the central directory informations
$v_central_dir = array ();
if (($v_result = $this->_readEndCentralDir ($v_central_dir)) != 1 ) {
// ----- Go to beginning of Central Dir
if (@fseek($this->_zip_fd, $v_central_dir['offset'])) {
for ($i = 0; $i< $v_central_dir['entries']; $i++ ) {
// ----- Read the file header
if (($v_result = $this->_readCentralFileHeader ($v_header)) != 1 ) {
// ----- Get the only interesting attributes
$this->_convertHeader2FileInfo ($v_header, $p_list[$i]);
// ----- Close the zip file
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// Function : _convertHeader2FileInfo()
// 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.
// $p_info['status'] = status of the action on the file.
// ---------------------------------------------------------------------------
* Archive_Zip::_convertHeader2FileInfo()
function _convertHeader2FileInfo ($p_header, &$p_info)
// ----- Get the interesting attributes
$p_info['filename'] = $p_header['filename'];
$p_info['stored_filename'] = $p_header['stored_filename'];
$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'];
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// Function : _extractByRule()
// 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 $p_remove_path are commulative.
// 1 on success,0 or less on error (see error code list)
// ---------------------------------------------------------------------------
* Archive_Zip::_extractByRule()
function _extractByRule (&$p_file_list, &$p_params)
$p_path = $p_params['add_path'];
$p_remove_path = $p_params['remove_path'];
$p_remove_all_path = $p_params['remove_all_path'];
|| ((substr($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
if (($v_result = $this->_openFd ('rb')) != 1 ) {
// ----- Read the central directory informations
$v_central_dir = array ();
if (($v_result = $this->_readEndCentralDir ($v_central_dir)) != 1 ) {
// ----- 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']; $i++ ) {
// ----- Read next Central dir entry
if (@fseek($this->_zip_fd, $v_pos_entry)) {
// ----- Read the file header
if (($v_result = $this->_readCentralFileHeader ($v_header)) != 1 ) {
// ----- Store the file position
$v_pos_entry = ftell($this->_zip_fd);
// ----- 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 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
// ----- Look for real extraction
// ----- Go to the file position
if (@fseek($this->_zip_fd, $v_header['offset'])) {
// ----- Close the zip file
// ----- Look for extraction as string
// ----- Extracting the file
if (($v_result = $this->_extractFileAsString ($v_header, $v_string)) != 1 ) {
// ----- Close the zip file
// ----- Get the only interesting attributes
if (($v_result = $this->_convertHeader2FileInfo ($v_header, $p_file_list[$v_nb_extracted])) != 1 ) {
// ----- Close the zip file
// ----- Set the file content
$p_file_list[$v_nb_extracted]['content'] = $v_string;
// ----- Next extracted file
// ----- Extracting the file
if (($v_result = $this->_extractFile ($v_header, $p_path, $p_remove_path, $p_remove_all_path, $p_params)) != 1 ) {
// ----- Close the zip file
// ----- Get the only interesting attributes
if (($v_result = $this->_convertHeader2FileInfo ($v_header, $p_file_list[$v_nb_extracted++ ])) != 1 ) {
// ----- Close the zip file
// ----- Close the zip file
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// Function : _extractFile()
// ---------------------------------------------------------------------------
* Archive_Zip::_extractFile()
function _extractFile (&$p_entry, $p_path, $p_remove_path, $p_remove_all_path, &$p_params)
// ----- Read the file header
if (($v_result = $this->_readFileHeader ($v_header)) != 1 ) {
// ----- Check that the file header is coherent with $p_entry info
// ----- Look for all path to remove
if ($p_remove_all_path == true ) {
// ----- Get the basename of the path
$p_entry['filename'] = basename($p_entry['filename']);
} else if ($p_remove_path != "") {
if ($this->_tool_PathInclusion ($p_remove_path, $p_entry['filename']) == 2 ) {
// ----- 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'];
// ----- Look for pre-extract callback
// ----- Generate a local information
$v_local_header = array ();
$this->_convertHeader2FileInfo ($p_entry, $v_local_header);
// ----- Call the callback
// Here I do not use call_user_func() because I need to send a reference to the
// ----- Change the file status
$p_entry['status'] = "skipped";
// ----- 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 if file is write protected
// ----- Change the file status
$p_entry['status'] = "write_protected";
} else if (filemtime($p_entry['filename']) > $p_entry['mtime']) {
// ----- Look if the extracted file is older
// ----- Change the file status
$p_entry['status'] = "newer_exist";
// ----- Check the directory availability and create it if necessary
if ((($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 = $this->_dirCheck ($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['compressed_size'] == $p_entry['size']) {
// ----- Opening destination file
if (($v_dest_file = @fopen($p_entry['filename'], 'wb')) == 0 ) {
// ----- Change the file status
$p_entry['status'] = "write_error";
// ----- Read the file by ARCHIVE_ZIP_READ_BLOCK_SIZE octets blocks
$v_size = $p_entry['compressed_size'];
$v_buffer = fread($this->_zip_fd, $v_read_size);
$v_binary_data = pack('a'. $v_read_size, $v_buffer);
@fwrite($v_dest_file, $v_binary_data, $v_read_size);
// ----- Closing the destination file
// ----- Change the file mtime
touch($p_entry['filename'], $p_entry['mtime']);
// ----- Opening destination file
if (($v_dest_file = @fopen($p_entry['filename'], 'wb')) == 0 ) {
// ----- Change the file status
$p_entry['status'] = "write_error";
// ----- Read the compressed file in a buffer (one shot)
$v_buffer = @fread($this->_zip_fd, $p_entry['compressed_size']);
// ----- Decompress the file
// ----- Write the uncompressed data
@fwrite($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
// ----- Look for post-extract callback
// ----- Generate a local information
$v_local_header = array ();
$this->_convertHeader2FileInfo ($p_entry, $v_local_header);
// ----- Call the callback
// Here I do not use call_user_func() because I need to send a reference to the
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// Function : _extractFileAsString()
// ---------------------------------------------------------------------------
* Archive_Zip::_extractFileAsString()
function _extractFileAsString (&$p_entry, &$p_string)
// ----- Read the file header
if (($v_result = $this->_readFileHeader ($v_header)) != 1 ) {
// ----- Check that the file header is coherent with $p_entry info
// ----- Do the extraction (if not a folder)
if (!(($p_entry['external']&0x00000010 )==0x00000010 )) {
// ----- Look for not compressed file
if ($p_entry['compressed_size'] == $p_entry['size']) {
// ----- Reading the file
$p_string = fread($this->_zip_fd, $p_entry['compressed_size']);
// ----- Reading the file
$v_data = fread($this->_zip_fd, $p_entry['compressed_size']);
// ----- Decompress the file
// TBC : error : can not extract a folder in a string
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// Function : _readFileHeader()
// ---------------------------------------------------------------------------
* Archive_Zip::_readFileHeader()
function _readFileHeader (&$p_header)
// ----- Read the 4 bytes signature
$v_binary_data = @fread($this->_zip_fd, 4 );
$v_data = unpack('Vid', $v_binary_data);
if ($v_data['id'] != 0x04034b50 ) {
// ----- Read the first 42 bytes of the header
$v_binary_data = fread($this->_zip_fd, 26 );
// ----- Look for invalid block size
if (strlen($v_binary_data) != 26 ) {
$p_header['filename'] = "";
$p_header['status'] = "invalid_header";
// ----- 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['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'];
// ----- 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);
$p_header['mtime'] = time();
// ----- Other informations
//for(reset($v_data); $key = key($v_data); next($v_data)) {
// ----- Set the stored filename
$p_header['stored_filename'] = $p_header['filename'];
// ----- Set the status field
$p_header['status'] = "ok";
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// Function : _readCentralFileHeader()
// ---------------------------------------------------------------------------
* Archive_Zip::_readCentralFileHeader()
function _readCentralFileHeader (&$p_header)
// ----- Read the 4 bytes signature
$v_binary_data = @fread($this->_zip_fd, 4 );
$v_data = unpack('Vid', $v_binary_data);
if ($v_data['id'] != 0x02014b50 ) {
// ----- Read the first 42 bytes of the header
$v_binary_data = fread($this->_zip_fd, 42 );
// ----- Look for invalid block size
if (strlen($v_binary_data) != 42 ) {
$p_header['filename'] = "";
$p_header['status'] = "invalid_header";
// ----- 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']) {
$v_hour = ($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 ) == '/') {
$p_header['external'] = 0x41FF0010;
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// Function : _readEndCentralDir()
// ---------------------------------------------------------------------------
* Archive_Zip::_readEndCentralDir()
function _readEndCentralDir (&$p_central_dir)
// ----- Go to the end of the zip file
@fseek($this->_zip_fd, $v_size);
if (@ftell($this->_zip_fd) != $v_size) {
'Unable to go to the end of the archive \''
// ----- First try : look if this is an archive with no commentaries
// in this case the end of central dir is at 22 bytes of the file end
@fseek($this->_zip_fd, $v_size-22 );
if (($v_pos = @ftell($this->_zip_fd)) != ($v_size-22 )) {
'Unable to seek back to the middle of the archive \''
$v_binary_data = @fread($this->_zip_fd, 4 );
$v_data = unpack('Vid', $v_binary_data);
if ($v_data['id'] == 0x06054b50 ) {
$v_pos = ftell($this->_zip_fd);
// ----- 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 = $v_size;
@fseek($this->_zip_fd, $v_size- $v_maximum_size);
if (@ftell($this->_zip_fd) != ($v_size- $v_maximum_size)) {
'Unable to seek back to the middle of the archive \''
// ----- Read byte per byte in order to find the signature
$v_pos = ftell($this->_zip_fd);
while ($v_pos < $v_size) {
$v_byte = @fread($this->_zip_fd, 1 );
$v_bytes = ($v_bytes << 8 ) | Ord ($v_byte);
// ----- Compare the bytes
if ($v_bytes == 0x504b0506 ) {
// ----- Look if not found end of central dir
"Unable to find End of Central Dir Record signature");
// ----- Read the first 18 bytes of the header
$v_binary_data = fread($this->_zip_fd, 18 );
// ----- Look for invalid block size
if (strlen($v_binary_data) != 18 ) {
"Invalid End of Central Dir Record size : "
// ----- 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 ) != $v_size) {
"Fail to find the right signature");
if ($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'] = $v_data['disk_start'];
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// Function : _deleteByRule()
// ---------------------------------------------------------------------------
* Archive_Zip::_deleteByRule()
function _deleteByRule (&$p_result_list, &$p_params)
$v_list_detail = array ();
// ----- Open the zip file
if (($v_result = $this->_openFd ('rb')) != 1 ) {
// ----- Read the central directory informations
$v_central_dir = array ();
if (($v_result = $this->_readEndCentralDir ($v_central_dir)) != 1 ) {
// ----- Go to beginning of File
// ----- Scan all the files
// ----- Start at beginning of Central Dir
$v_pos_entry = $v_central_dir['offset'];
if (@fseek($this->_zip_fd, $v_pos_entry)) {
$v_header_list = array ();
for ($i = 0 , $v_nb_extracted = 0; $i< $v_central_dir['entries']; $i++ ) {
// ----- Read the file header
$v_header_list[$v_nb_extracted] = array ();
$v_result = $this->_readCentralFileHeader ($v_header_list[$v_nb_extracted]);
$v_header_list[$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 */
// ----- Look for a filename
// ----- Look for extract by preg rule
$v_header_list[$v_nb_extracted]['stored_filename'])) {
// ----- 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 ($v_nb_extracted > 0 ) {
// ----- Creates a temporay file
// ----- Creates a temporary zip archive
// ----- Open the temporary zip file in write mode
if (($v_result = $v_temp_zip->_openFd ('wb')) != 1 ) {
// ----- Look which file need to be kept
for ($i = 0; $i< sizeof($v_header_list); $i++ ) {
// ----- Calculate the position of the header
if (@fseek($this->_zip_fd, $v_header_list[$i]['offset'])) {
// ----- Read the file header
if (($v_result = $this->_readFileHeader ($v_header_list[$i])) != 1 ) {
// ----- Write the file header
$v_result = $v_temp_zip->_writeFileHeader ($v_header_list[$i]);
// ----- Read/write the data block
$v_result = $this->_tool_CopyBlock ($this->_zip_fd,
$v_header_list[$i]['compressed_size']);
// ----- 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
$v_result = $v_temp_zip->_writeCentralFileHeader ($v_header_list[$i]);
// ----- Transform the header to a 'usable' info
$v_temp_zip->_convertHeader2FileInfo ($v_header_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
$v_result = $v_temp_zip->_writeCentralHeader (sizeof($v_header_list),
// ----- 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);
$this->_tool_Rename ($v_zip_temp_name, $this->_zipname);
// ----- Destroy the temporary archive
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// Function : _dirCheck()
// 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
// ---------------------------------------------------------------------------
* Archive_Zip::_dirCheck()
* @param [type] $p_is_dir
function _dirCheck ($p_dir, $p_is_dir = false )
// ----- Remove the final '/'
if (($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 != $p_dir) {
// ----- Look for parent directory
if ($p_parent_dir != "") {
if (($v_result = $this->_dirCheck ($p_parent_dir)) != 1 ) {
// ----- Create the directory
if (!@mkdir($p_dir, 0777 )) {
" Unable to create directory '$p_dir'" );
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// If $p_archive_to_add does not exist, the function exit with a success result.
// ---------------------------------------------------------------------------
function _merge (&$p_archive_to_add)
// ----- 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
$v_result = $this->_duplicate ($p_archive_to_add->_zipname );
// ----- Open the zip file
if (($v_result = $this->_openFd ('rb')) != 1 ) {
// ----- Read the central directory informations
$v_central_dir = array ();
if (($v_result = $this->_readEndCentralDir ($v_central_dir)) != 1 ) {
// ----- Go to beginning of File
// ----- Open the archive_to_add file
if (($v_result = $p_archive_to_add->_openFd ('rb')) != 1 ) {
// ----- Read the central directory informations
$v_central_dir_to_add = array ();
$v_result = $p_archive_to_add->_readEndCentralDir ($v_central_dir_to_add);
$p_archive_to_add->_closeFd ();
// ----- Go to beginning of File
@rewind($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->_closeFd ();
'Unable to open temporary file \''
. $v_zip_temp_name. '\' in binary write mode');
// ----- Copy the files from the archive to the temporary file
// TBC : Here I should better append the file and go back to erase the
$v_size = $v_central_dir['offset'];
$v_buffer = fread($this->_zip_fd, $v_read_size);
@fwrite($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'];
$v_buffer = @fread($this->_zip_fd, $v_read_size);
@fwrite($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);
// ----- Zip file comment
// TBC : I should merge the two comments
// ----- Calculate the size of the (new) central header
$v_size = @ftell($v_zip_temp_fd)- $v_offset;
// ----- Swap the file descriptor
// Here is a trick : I swap the temporary fd with the zip fd, in order to use
// the following methods on the temporary fil and not the real archive fd
$v_swap = $this->_zip_fd;
$this->_zip_fd = $v_zip_temp_fd;
$v_zip_temp_fd = $v_swap;
// ----- Create the central dir footer
if (($v_result = $this->_writeCentralHeader ($v_central_dir['entries']
+ $v_central_dir_to_add['entries'],
$p_archive_to_add->_closeFd ();
// ----- Reset the file list
// ----- Swap back the file descriptor
$v_swap = $this->_zip_fd;
$this->_zip_fd = $v_zip_temp_fd;
$v_zip_temp_fd = $v_swap;
$p_archive_to_add->_closeFd ();
// ----- Close the temporary file
// ----- Delete the zip file
// TBC : I should test the result ...
// ----- Rename the temporary file
// TBC : I should test the result ...
//@rename($v_zip_temp_name, $this->_zipname);
$this->_tool_Rename ($v_zip_temp_name, $this->_zipname);
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// Function : _duplicate()
// ---------------------------------------------------------------------------
* Archive_Zip::_duplicate()
function _duplicate ($p_archive_filename)
// ----- Look if the $p_archive_filename exists
if (!is_file($p_archive_filename)) {
// ----- Nothing to duplicate, so duplicate is a success.
// ----- Open the zip file
if (($v_result = $this->_openFd ('wb')) != 1 ) {
// ----- Open the temporary file in write mode
if (($v_zip_temp_fd = @fopen($p_archive_filename, 'rb')) == 0 ) {
'Unable to open archive file \''
. $p_archive_filename. '\' in binary write mode');
// ----- Copy the files from the archive to the temporary file
// TBC : Here I should better append the file and go back to erase the
$v_size = filesize($p_archive_filename);
$v_buffer = fread($v_zip_temp_fd, $v_read_size);
@fwrite($this->_zip_fd, $v_buffer, $v_read_size);
// ----- Close the temporary file
// ---------------------------------------------------------------------------
* Archive_Zip::_check_parameters()
* @param integer $p_error_code
* @param string $p_error_string
function _check_parameters (&$p_params, $p_default)
// ----- Check that param is an array
'Unsupported parameter, waiting for an array');
// ----- Check that all the params are valid
for (reset($p_params); list ($v_key, $v_value) = each($p_params); ) {
if (!isset ($p_default[$v_key])) {
'Unsupported parameter with key \''. $v_key. '\'');
// ----- Set the default values
for (reset($p_default); list ($v_key, $v_value) = each($p_default); ) {
if (!isset ($p_params[$v_key])) {
$p_params[$v_key] = $p_default[$v_key];
// ----- Check specific parameters
$v_callback_list = array ('callback_pre_add','callback_post_add',
'callback_pre_extract','callback_post_extract');
for ($i = 0; $i< sizeof($v_callback_list); $i++ ) {
$v_key = $v_callback_list[$i];
if ((isset ($p_params[$v_key])) && ($p_params[$v_key] != '')) {
"Callback '". $p_params[$v_key]
. "()' is not an existing function for "
. "parameter '". $v_key. "'");
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// Function : _errorLog()
// ---------------------------------------------------------------------------
* Archive_Zip::_errorLog()
* @param integer $p_error_code Error code
* @param string $p_error_string Error message
function _errorLog ($p_error_code = 0 , $p_error_string = '')
$this->_error_code = $p_error_code;
$this->_error_string = $p_error_string;
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// Function : _errorReset()
// ---------------------------------------------------------------------------
* Archive_Zip::_errorReset()
$this->_error_string = '';
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// Function : $this->_tool_PathReduction()
// ---------------------------------------------------------------------------
function _tool_PathReduction ($p_dir)
// ----- 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] == "..") {
// ----- Ignore it and ignore the $i-1
} else if (($v_list[$i] == "") && ($i!= (sizeof($v_list)-1 )) && ($i!=0 )) {
// ----- Ignore only the double '//' in path,
// but not the first and last '/'
$v_result = $v_list[$i]. ($i!= (sizeof($v_list)-1 )? "/". $v_result: "");
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// Function : $this->_tool_PathInclusion()
// 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 $p_dir
// ---------------------------------------------------------------------------
function _tool_PathInclusion ($p_dir, $p_path)
// ----- Explode dir and path by directory separator
$v_list_dir = explode("/", $p_dir);
$v_list_path = explode("/", $p_path);
$v_list_dir_size = sizeof($v_list_dir);
$v_list_path_size = sizeof($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[$j] == '')) {
while (($i < $v_list_dir_size) && ($v_list_dir[$i] == '')) {
if (($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 : $this->_tool_CopyBlock()
// $p_mode : read/write compression mode
// 1 : src gzip, dest normal
// 2 : src normal, dest gzip
// ---------------------------------------------------------------------------
function _tool_CopyBlock ($p_src, $p_dest, $p_size, $p_mode = 0 )
$v_buffer = @fread($p_src, $v_read_size);
@fwrite($p_dest, $v_buffer, $v_read_size);
} else if ($p_mode == 1 ) {
$v_buffer = @gzread($p_src, $v_read_size);
@fwrite($p_dest, $v_buffer, $v_read_size);
} else if ($p_mode == 2 ) {
$v_buffer = @fread($p_src, $v_read_size);
@gzwrite($p_dest, $v_buffer, $v_read_size);
} else if ($p_mode == 3 ) {
$v_buffer = @gzread($p_src, $v_read_size);
@gzwrite($p_dest, $v_buffer, $v_read_size);
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// Function : $this->_tool_Rename()
// 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
// $p_dest : New filename
// 1 on success, 0 on failure.
// ---------------------------------------------------------------------------
function _tool_Rename ($p_src, $p_dest)
// ----- Try to rename the files
if (!@rename($p_src, $p_dest)) {
// ----- Try to copy & unlink the src
if (!@copy($p_src, $p_dest)) {
} else if (!@unlink($p_src)) {
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// Function : $this->_tool_TranslateWinPath()
// Translate windows path by replacing '\' by '/' and optionally removing
// $p_path : path to translate.
// $p_remove_disk_letter : true | false
// ---------------------------------------------------------------------------
* _tool_TranslateWinPath()
* @param [type] $p_remove_disk_letter
function _tool_TranslateWinPath ($p_path, $p_remove_disk_letter = true )
// ----- Look for potential disk letter
if (($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, '\\', '/');
// ---------------------------------------------------------------------------
Documentation generated on Mon, 11 Mar 2019 15:44:26 -0400 by phpDocumentor 1.4.4. PEAR Logo Copyright © PHP Group 2004.
|