/common/include/funcs/PEAR/Zip.php
PHP | 3480 lines | 3255 code | 49 blank | 176 comment | 57 complexity | 2feb84f78944f32b048a148ae6331a6c MD5 | raw file
Possible License(s): LGPL-3.0, GPL-2.0
- <?php
- /* vim: set ts=4 sw=4: */
- // +----------------------------------------------------------------------+
- // | PHP Version 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, |
- // | MA 02110-1301 USA |
- // +----------------------------------------------------------------------+
- // | Author: Vincent Blavet <vincent@phpconcept.net> |
- // +----------------------------------------------------------------------+
- //
- // $Id: Zip.php 302924 2010-08-31 14:45:47Z clockwerx $
- require_once 'PEAR.php';
- // ----- Constants
- 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
- // path.
- // If defined :
- // - MUST BE terminated by a '/'.
- // - MUST be a valid, already created directory
- // Samples :
- // define('ARCHIVE_ZIP_TEMPORARY_DIR', '/temp/');
- // define('ARCHIVE_ZIP_TEMPORARY_DIR', 'C:/Temp/');
- define('ARCHIVE_ZIP_TEMPORARY_DIR', '');
- // ----- Error codes
- 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);
- // ----- Warning codes
- 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
- * archive files.
- * It provides creation, extraction, deletion and add features.
- *
- * @author Vincent Blavet <vincent@blavet.net>
- * @version $Revision: 302924 $
- * @package Archive_Zip
- * @category Archive
- */
- class Archive_Zip
- {
- /**
- * The filename of the zip archive.
- *
- * @var string Name of the Zip file
- */
- var $_zipname = '';
- /**
- * File descriptor of the opened Zip file.
- *
- * @var int Internal zip file descriptor
- */
- var $_zip_fd = 0;
- /**
- * @var int last error code
- */
- var $_error_code = 1;
- /**
- * @var string Last error description
- */
- var $_error_string = '';
- // {{{ constructor
- /**
- * Archive_Zip Class constructor. This flavour of the constructor only
- * declare a new Archive_Zip object, identifying it by the name of the
- * zip file.
- *
- * @param string $p_zipname The name of the zip archive to create
- *
- * @access public
- */
- function Archive_Zip($p_zipname)
- {
- // ----- Check the zlib
- if (!extension_loaded('zlib')) {
- PEAR::loadExtension('zlib');
- }
- if (!extension_loaded('zlib')) {
- die("The extension 'zlib' couldn't be found.\n".
- "Please make sure your version of PHP was built ".
- "with 'zlib' support.\n");
- return false;
- }
- // ----- Set the attributes
- $this->_zipname = $p_zipname;
- $this->_zip_fd = 0;
- return;
- }
- // }}}
- // {{{ create()
- /**
- * This method creates a Zip Archive with the filename set with
- * the constructor.
- * 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
- * in the archive.
- * 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 $p_params An array of variable parameters and values.
- *
- * @return mixed An array of file description on success,
- * an error code on error
- */
- function create($p_filelist, $p_params = 0)
- {
- $this->_errorReset();
- // ----- Set default values
- if ($p_params === 0) {
- $p_params = array();
- }
- if ($this->_check_parameters($p_params,
- array('no_compression' => false,
- 'add_path' => "",
- 'remove_path' => "",
- 'remove_all_path' => false)) != 1) {
- return 0;
- }
- // ----- Look if the $p_filelist is really an array
- $p_result_list = array();
- if (is_array($p_filelist)) {
- $v_result = $this->_create($p_filelist, $p_result_list, $p_params);
- } else if (is_string($p_filelist)) {
- // ----- Create a list with the elements from the string
- $v_list = explode(ARCHIVE_ZIP_SEPARATOR, $p_filelist);
- $v_result = $this->_create($v_list, $p_result_list, $p_params);
- } else {
- $this->_errorLog(ARCHIVE_ZIP_ERR_INVALID_PARAMETER,
- 'Invalid variable type p_filelist');
- $v_result = ARCHIVE_ZIP_ERR_INVALID_PARAMETER;
- }
- if ($v_result != 1) {
- return 0;
- }
- return $p_result_list;
- }
- // }}}
- // {{{ add()
- /**
- * 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
- * in the archive.
- * 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
- * each entry archiving.
- * 'callback_post_add' : A callback function that will be called after
- * each entry archiving.
- *
- * @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 $p_params An array of variable parameters and values.
- *
- * @return mixed An array of file description on success,
- * 0 on an unrecoverable failure, an error code is logged.
- * @access public
- */
- function add($p_filelist, $p_params = 0)
- {
- $this->_errorReset();
- // ----- Set default values
- if ($p_params === 0) {
- $p_params = array();
- }
- if ($this->_check_parameters($p_params,
- array ('no_compression' => false,
- 'add_path' => '',
- 'remove_path' => '',
- 'remove_all_path' => false,
- 'callback_pre_add' => '',
- 'callback_post_add' => '')) != 1) {
- return 0;
- }
- // ----- Look if the $p_filelist is really an array
- $p_result_list = array();
- if (is_array($p_filelist)) {
- // ----- Call the create fct
- $v_result = $this->_add($p_filelist, $p_result_list, $p_params);
- } else if (is_string($p_filelist)) {
- // ----- Create a list with the elements from the string
- $v_list = explode(ARCHIVE_ZIP_SEPARATOR, $p_filelist);
- // ----- Call the create fct
- $v_result = $this->_add($v_list, $p_result_list, $p_params);
- } else {
- $this->_errorLog(ARCHIVE_ZIP_ERR_INVALID_PARAMETER,
- "add() : Invalid variable type p_filelist");
- $v_result = ARCHIVE_ZIP_ERR_INVALID_PARAMETER;
- }
- if ($v_result != 1) {
- return 0;
- }
- return $p_result_list;
- }
- // }}}
- // {{{ listContent()
- /**
- * 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) :
- * Values are :
- * ok : OK !
- * 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
- * exists
- * write_protected : the file can't be extracted because a file
- * with the same name already exists and is
- * write protected
- * newer_exist : the file was not extracted because a newer
- * file already exists
- * path_creation_fail : the file is not extracted because the
- * folder does not exists and can't 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 error on a single file, the error is only logged in the file status.
- *
- * @access public
- * @return mixed An array of file description on success,
- * 0 on an unrecoverable failure, an error code is logged.
- */
- function listContent()
- {
- $this->_errorReset();
- // ----- Check archive
- if (!$this->_checkFormat()) {
- return(0);
- }
- $v_list = array();
- if ($this->_list($v_list) != 1) {
- unset($v_list);
- return(0);
- }
- return $v_list;
- }
- // }}}
- // {{{ extract()
- /**
- * 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
- * parameters.
- * 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.
- * 'extract_as_string' :
- * 'set_chmod' : After the extraction of the file the indicated mode
- * will be set.
- * '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 ',',
- * (sample "1,3-5,12").
- * 'by_preg' : A regular expression (preg) that must match the extracted
- * filename.
- * 'callback_pre_extract' : A callback function that will be called before
- * each entry extraction.
- * 'callback_post_extract' : A callback function that will be called after
- * each entry extraction.
- *
- * @param mixed $p_params An array of variable parameters and values.
- *
- * @return mixed An array of file description on success,
- * 0 on an unrecoverable failure, an error code is logged.
- */
- function extract($p_params = 0)
- {
- $this->_errorReset();
- // ----- Check archive
- if (!$this->_checkFormat()) {
- return(0);
- }
- // ----- Set default values
- if ($p_params === 0) {
- $p_params = array();
- }
- if ($this->_check_parameters($p_params,
- array ('extract_as_string' => false,
- 'add_path' => '',
- 'remove_path' => '',
- 'remove_all_path' => false,
- 'callback_pre_extract' => '',
- 'callback_post_extract' => '',
- 'set_chmod' => 0,
- 'by_name' => '',
- 'by_index' => '',
- 'by_preg' => '') ) != 1) {
- return 0;
- }
- // ----- Call the extracting fct
- $v_list = array();
- if ($this->_extractByRule($v_list, $p_params) != 1) {
- unset($v_list);
- return(0);
- }
- return $v_list;
- }
- // }}}
- // {{{ delete()
- /**
- * This methods delete archive entries in the zip archive.
- * Notice that at least one filtering rule (set by the variable parameter
- * list) must be set.
- * 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 ',',
- * (sample "1,3-5,12").
- * 'by_preg' : A regular expression (preg) that must match the extracted
- * filename.
- *
- * @param mixed $p_params An array of variable parameters and values.
- *
- * @return mixed An array of file description on success,
- * 0 on an unrecoverable failure, an error code is logged.
- */
- function delete($p_params)
- {
- $this->_errorReset();
- // ----- Check archive
- if (!$this->_checkFormat()) {
- return(0);
- }
- // ----- Set default values
- if ($this->_check_parameters($p_params,
- array ('by_name' => '',
- 'by_index' => '',
- 'by_preg' => '') ) != 1) {
- return 0;
- }
- // ----- Check that at least one rule is set
- if (($p_params['by_name'] == '')
- && ($p_params['by_index'] == '')
- && ($p_params['by_preg'] == '')) {
- $this->_errorLog(ARCHIVE_ZIP_ERR_INVALID_PARAMETER,
- 'At least one filtering rule must'
- .' be set as parameter');
- return 0;
- }
- // ----- Call the delete fct
- $v_list = array();
- if ($this->_deleteByRule($v_list, $p_params) != 1) {
- unset($v_list);
- return(0);
- }
- return $v_list;
- }
- // }}}
- // {{{ properties()
- /**
- * This method gives the global properties of the archive.
- * The properties are :
- * nb : Number of files in the archive
- * comment : Comment associated with the archive file
- * status : not_exist, ok
- *
- * @return mixed An array with the global properties or 0 on error.
- */
- function properties()
- {
- $this->_errorReset();
- // ----- Check archive
- if (!$this->_checkFormat()) {
- return(0);
- }
- // ----- Default properties
- $v_prop = array();
- $v_prop['comment'] = '';
- $v_prop['nb'] = 0;
- $v_prop['status'] = 'not_exist';
- // ----- Look if file exists
- if (@is_file($this->_zipname)) {
- // ----- Open the zip file
- if (($this->_zip_fd = @fopen($this->_zipname, 'rb')) == 0) {
- $this->_errorLog(ARCHIVE_ZIP_ERR_READ_OPEN_FAIL,
- 'Unable to open archive \''.$this->_zipname
- .'\' in binary read mode');
- return 0;
- }
- // ----- Read the central directory informations
- $v_central_dir = array();
- if (($v_result = $this->_readEndCentralDir($v_central_dir)) != 1) {
- return 0;
- }
- $this->_closeFd();
- // ----- Set the user attributes
- $v_prop['comment'] = $v_central_dir['comment'];
- $v_prop['nb'] = $v_central_dir['entries'];
- $v_prop['status'] = 'ok';
- }
- return $v_prop;
- }
- // }}}
- // {{{ 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.
- *
- *
- * @param mixed $p_archive It can be a valid Archive_Zip object or
- * the filename of a valid zip archive.
- *
- * @return integer 1 on success, 0 on failure.
- */
- function duplicate($p_archive)
- {
- $this->_errorReset();
- // ----- Look if the $p_archive is a Archive_Zip object
- if ((is_object($p_archive))
- && (strtolower(get_class($p_archive)) == 'archive_zip')) {
- $v_result = $this->_duplicate($p_archive->_zipname);
- } else if (is_string($p_archive)) {
- // ----- Check that $p_archive is a valid zip file
- // TBC : Should also check the archive format
- if (!is_file($p_archive)) {
- $this->_errorLog(ARCHIVE_ZIP_ERR_MISSING_FILE,
- "No file with filename '".$p_archive."'");
- $v_result = ARCHIVE_ZIP_ERR_MISSING_FILE;
- } else {
- $v_result = $this->_duplicate($p_archive);
- }
- } else {
- $this->_errorLog(ARCHIVE_ZIP_ERR_INVALID_PARAMETER,
- "Invalid variable type p_archive_to_add");
- $v_result = ARCHIVE_ZIP_ERR_INVALID_PARAMETER;
- }
- return $v_result;
- }
- // }}}
- // {{{ merge()
- /**
- * This method merge a valid zip archive at the end of the
- * archive identified by the Archive_Zip object.
- * If the archive ($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)
- {
- $v_result = 1;
- $this->_errorReset();
- // ----- Check archive
- if (!$this->_checkFormat()) {
- return(0);
- }
- // ----- Look if the $p_archive_to_add is a Archive_Zip object
- if ((is_object($p_archive_to_add))
- && (strtolower(get_class($p_archive_to_add)) == 'archive_zip')) {
- $v_result = $this->_merge($p_archive_to_add);
- } else if (is_string($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);
- } else {
- $this->_errorLog(ARCHIVE_ZIP_ERR_INVALID_PARAMETER,
- "Invalid variable type p_archive_to_add");
- $v_result = ARCHIVE_ZIP_ERR_INVALID_PARAMETER;
- }
- return $v_result;
- }
- // }}}
- // {{{ errorCode()
- /**
- * Method that gives the lastest error code.
- *
- * @access public
- * @return integer The error code value.
- */
- function errorCode()
- {
- return($this->_error_code);
- }
- // }}}
- // {{{ errorName()
- /**
- * This method gives the latest error code name.
- *
- * @param boolean $p_with_code If true, gives the name and the int value.
- *
- * @access public
- * @return string The error name.
- */
- function errorName($p_with_code = false)
- {
- $v_const_list = get_defined_constants();
- // ----- Extract error constants from all const.
- for (reset($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, $v_error_list, true);
- if ($v_key!=false) {
- $v_value = $v_key;
- } else {
- $v_value = 'NoName';
- }
- if ($p_with_code) {
- return($v_value.' ('.$this->_error_code.')');
- } else {
- return($v_value);
- }
- }
- // }}}
- // {{{ errorInfo()
- /**
- * This method returns the description associated with the latest error.
- *
- * @param boolean $p_full If set to true gives the description with the
- * error code, the name and the description.
- * If set to false gives only the description
- * and the error code.
- *
- * @access public
- * @return string The error description.
- */
- function errorInfo($p_full = false)
- {
- if ($p_full) {
- return($this->errorName(true)." : ".$this->_error_string);
- } else {
- return($this->_error_string." [code ".$this->_error_code."]");
- }
- }
- // }}}
- // -----------------------------------------------------------------------------
- // ***** UNDER THIS LINE ARE DEFINED PRIVATE INTERNAL FUNCTIONS *****
- // ***** *****
- // ***** THESES FUNCTIONS MUST NOT BE USED DIRECTLY *****
- // -----------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _checkFormat()
- // Description :
- // This method check that the archive exists and is a valid zip archive.
- // Several level of check exists. (futur)
- // Parameters :
- // $p_level : Level of check. Default 0.
- // 0 : Check the first bytes (magic codes) (default value))
- // 1 : 0 + Check the central directory (futur)
- // 2 : 1 + Check each file header (futur)
- // Return Values :
- // true on success,
- // false on error, the error code is set.
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_checkFormat()
- *
- * { Description }
- *
- * @param integer $p_level
- *
- * @return bool
- */
- function _checkFormat($p_level = 0)
- {
- $v_result = true;
- // ----- Reset the error handler
- $this->_errorReset();
- // ----- Look if the file exits
- if (!is_file($this->_zipname)) {
- // ----- Error log
- $this->_errorLog(ARCHIVE_ZIP_ERR_MISSING_FILE,
- "Missing archive file '".$this->_zipname."'");
- return(false);
- }
- // ----- Check that the file is readeable
- if (!is_readable($this->_zipname)) {
- // ----- Error log
- $this->_errorLog(ARCHIVE_ZIP_ERR_READ_OPEN_FAIL,
- "Unable to read archive '".$this->_zipname."'");
- return(false);
- }
- // ----- Check the magic code
- // TBC
- // ----- Check the central header
- // TBC
- // ----- Check each file header
- // TBC
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _create()
- // Description :
- // Parameters :
- // Return Values :
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_create()
- *
- * { Description }
- *
- * @return int
- */
- function _create($p_list, &$p_result_list, &$p_params)
- {
- $v_result = 1;
- $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) {
- return $v_result;
- }
- // ----- 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);
- // ----- Close
- $this->_closeFd();
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _add()
- // Description :
- // Parameters :
- // Return Values :
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_add()
- *
- * { Description }
- *
- * @return int
- */
- function _add($p_list, &$p_result_list, &$p_params)
- {
- $v_result = 1;
- $v_list_detail = array();
- $p_add_dir = $p_params['add_path'];
- $p_remove_dir = $p_params['remove_path'];
- $p_remove_all_dir = $p_params['remove_all_path'];
- // ----- Look if the archive exists or is empty and need to be created
- if ((!is_file($this->_zipname)) || (filesize($this->_zipname) == 0)) {
- $v_result = $this->_create($p_list, $p_result_list, $p_params);
- return $v_result;
- }
- // ----- Open the zip file
- if (($v_result = $this->_openFd('rb')) != 1) {
- return $v_result;
- }
- // ----- Read the central directory informations
- $v_central_dir = array();
- if (($v_result = $this->_readEndCentralDir($v_central_dir)) != 1) {
- $this->_closeFd();
- return $v_result;
- }
- // ----- Go to beginning of File
- @rewind($this->_zip_fd);
- // ----- Creates a temporay file
- $v_zip_temp_name = ARCHIVE_ZIP_TEMPORARY_DIR.uniqid('archive_zip-').'.tmp';
- // ----- Open the temporary file in write mode
- if (($v_zip_temp_fd = @fopen($v_zip_temp_name, 'wb')) == 0) {
- $this->_closeFd();
- $this->_errorLog(ARCHIVE_ZIP_ERR_READ_OPEN_FAIL,
- 'Unable to open temporary file \''
- .$v_zip_temp_name.'\' in binary write mode');
- return Archive_Zip::errorCode();
- }
- // ----- Copy the files from the archive to the temporary file
- // TBC : Here I should better append the file and go back to erase the
- // central dir
- $v_size = $v_central_dir['offset'];
- while ($v_size != 0) {
- $v_read_size = ($v_size < ARCHIVE_ZIP_READ_BLOCK_SIZE
- ? $v_size : ARCHIVE_ZIP_READ_BLOCK_SIZE);
- $v_buffer = fread($this->_zip_fd, $v_read_size);
- @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
- $v_size -= $v_read_size;
- }
- // ----- Swap the file descriptor
- // Here is a trick : I swap the temporary fd with the zip fd, in order to
- // use the following methods on the temporary fil and not the real archive
- $v_swap = $this->_zip_fd;
- $this->_zip_fd = $v_zip_temp_fd;
- $v_zip_temp_fd = $v_swap;
- // ----- Add the files
- $v_header_list = array();
- if (($v_result = $this->_addFileList($p_list, $v_header_list,
- $p_add_dir, $p_remove_dir,
- $p_remove_all_dir, $p_params)) != 1) {
- fclose($v_zip_temp_fd);
- $this->_closeFd();
- @unlink($v_zip_temp_name);
- return $v_result;
- }
- // ----- Store the offset of the central dir
- $v_offset = @ftell($this->_zip_fd);
- // ----- Copy the block of file headers from the old archive
- $v_size = $v_central_dir['size'];
- while ($v_size != 0) {
- $v_read_size = ($v_size < ARCHIVE_ZIP_READ_BLOCK_SIZE
- ? $v_size : ARCHIVE_ZIP_READ_BLOCK_SIZE);
- $v_buffer = @fread($v_zip_temp_fd, $v_read_size);
- @fwrite($this->_zip_fd, $v_buffer, $v_read_size);
- $v_size -= $v_read_size;
- }
- // ----- Create the Central Dir files header
- for ($i = 0, $v_count = 0; $i<sizeof($v_header_list); $i++) {
- // ----- Create the file header
- if ($v_header_list[$i]['status'] == 'ok') {
- if (($v_result = $this->_writeCentralFileHeader($v_header_list[$i]))!=1) {
- fclose($v_zip_temp_fd);
- $this->_closeFd();
- @unlink($v_zip_temp_name);
- return $v_result;
- }
- $v_count++;
- }
- // ----- Transform the header to a 'usable' info
- $this->_convertHeader2FileInfo($v_header_list[$i], $p_result_list[$i]);
- }
- // ----- Zip file comment
- $v_comment = '';
- // ----- Calculate the size of the central header
- $v_size = @ftell($this->_zip_fd)-$v_offset;
- // ----- Create the central dir footer
- if (($v_result = $this->_writeCentralHeader($v_count
- +$v_central_dir['entries'],
- $v_size, $v_offset,
- $v_comment)) != 1) {
- // ----- Reset the file list
- unset($v_header_list);
- return $v_result;
- }
- // ----- Swap back the file descriptor
- $v_swap = $this->_zip_fd;
- $this->_zip_fd = $v_zip_temp_fd;
- $v_zip_temp_fd = $v_swap;
- // ----- Close
- $this->_closeFd();
- // ----- Close the temporary file
- @fclose($v_zip_temp_fd);
- // ----- Delete the zip file
- // TBC : I should test the result ...
- @unlink($this->_zipname);
- // ----- Rename the temporary file
- // TBC : I should test the result ...
- //@rename($v_zip_temp_name, $this->_zipname);
- $this->_tool_Rename($v_zip_temp_name, $this->_zipname);
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _openFd()
- // Description :
- // Parameters :
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_openFd()
- *
- * { Description }
- *
- * @return int
- */
- function _openFd($p_mode)
- {
- $v_result = 1;
- // ----- Look if already open
- if ($this->_zip_fd != 0) {
- $this->_errorLog(ARCHIVE_ZIP_ERR_READ_OPEN_FAIL,
- 'Zip file \''.$this->_zipname.'\' already open');
- return Archive_Zip::errorCode();
- }
- // ----- Open the zip file
- if (($this->_zip_fd = @fopen($this->_zipname, $p_mode)) == 0) {
- $this->_errorLog(ARCHIVE_ZIP_ERR_READ_OPEN_FAIL,
- 'Unable to open archive \''.$this->_zipname
- .'\' in '.$p_mode.' mode');
- return Archive_Zip::errorCode();
- }
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _closeFd()
- // Description :
- // Parameters :
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_closeFd()
- *
- * { Description }
- *
- * @return int
- */
- function _closeFd()
- {
- $v_result = 1;
- if ($this->_zip_fd != 0) {
- @fclose($this->_zip_fd);
- }
- $this->_zip_fd = 0;
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _addList()
- // Description :
- // $p_add_dir and $p_remove_dir will give the ability to memorize a path which is
- // different from the real path of the file. This is usefull if you want to have PclTar
- // running in any directory, and memorize relative path from an other directory.
- // Parameters :
- // $p_list : An array containing the file or directory names to add in the tar
- // $p_result_list : list of added files with their properties (specially the status field)
- // $p_add_dir : Path to add in the filename path archived
- // $p_remove_dir : Path to remove in the filename path archived
- // Return Values :
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_addList()
- *
- * { Description }
- *
- * @return int
- */
- function _addList($p_list, &$p_result_list,
- $p_add_dir, $p_remove_dir, $p_remove_all_dir, &$p_params)
- {
- $v_result = 1;
- // ----- Add the files
- $v_header_list = array();
- if (($v_result = $this->_addFileList($p_list, $v_header_list,
- $p_add_dir, $p_remove_dir,
- $p_remove_all_dir, $p_params)) != 1) {
- return $v_result;
- }
- // ----- Store the offset of the central dir
- $v_offset = @ftell($this->_zip_fd);
- // ----- Create the Central Dir files header
- for ($i = 0, $v_count = 0; $i<sizeof($v_header_list); $i++) {
- // ----- Create the file header
- if ($v_header_list[$i]['status'] == 'ok') {
- if (($v_result = $this->_writeCentralFileHeader($v_header_list[$i])) != 1) {
- return $v_result;
- }
- $v_count++;
- }
- // ----- Transform the header to a 'usable' info
- $this->_convertHeader2FileInfo($v_header_list[$i], $p_result_list[$i]);
- }
- // ----- Zip file comment
- $v_comment = '';
- // ----- Calculate the size of the central header
- $v_size = @ftell($this->_zip_fd)-$v_offset;
- // ----- Create the central dir footer
- if (($v_result = $this->_writeCentralHeader($v_count, $v_size, $v_offset,
- $v_comment)) != 1) {
- // ----- Reset the file list
- unset($v_header_list);
- return $v_result;
- }
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _addFileList()
- // Description :
- // $p_add_dir and $p_remove_dir will give the ability to memorize a path which is
- // different from the real path of the file. This is usefull if you want to
- // run the lib in any directory, and memorize relative path from an other directory.
- // Parameters :
- // $p_list : An array containing the file or directory names to add in the tar
- // $p_result_list : list of added files with their properties (specially the status field)
- // $p_add_dir : Path to add in the filename path archived
- // $p_remove_dir : Path to remove in the filename path archived
- // Return Values :
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_addFileList()
- *
- * { Description }
- *
- * @return int
- */
- function _addFileList($p_list, &$p_result_list,
- $p_add_dir, $p_remove_dir, $p_remove_all_dir,
- &$p_params)
- {
- $v_result = 1;
- $v_header = array();
- // ----- Recuperate the current number of elt in list
- $v_nb = sizeof($p_result_list);
- // ----- Loop on the files
- for ($j = 0; ($j<count($p_list)) && ($v_result == 1); $j++) {
- // ----- Recuperate the filename
- $p_filename = $this->_tool_TranslateWinPath($p_list[$j], false);
- // ----- Skip empty file names
- if ($p_filename == "") {
- continue;
- }
- // ----- Check the filename
- if (!file_exists($p_filename)) {
- $this->_errorLog(ARCHIVE_ZIP_ERR_MISSING_FILE,
- "File '$p_filename' does not exists");
- return Archive_Zip::errorCode();
- }
- // ----- Look if it is a file or a dir with no all pathnre move
- if ((is_file($p_filename)) || ((is_dir($p_filename)) && !$p_remove_all_dir)) {
- // ----- Add the file
- if (($v_result = $this->_addFile($p_filename, $v_header, $p_add_dir, $p_remove_dir, $p_remove_all_dir, $p_params)) != 1) {
- return $v_result;
- }
- // ----- Store the file infos
- $p_result_list[$v_nb++] = $v_header;
- }
- // ----- Look for directory
- if (is_dir($p_filename)) {
- // ----- Look for path
- if ($p_filename != ".") {
- $v_path = $p_filename."/";
- } else {
- $v_path = "";
- }
- // ----- Read the directory for files and sub-directories
- $p_hdir = opendir($p_filename);
- $p_hitem = readdir($p_hdir); // '.' directory
- $p_hitem = readdir($p_hdir); // '..' directory
- while ($p_hitem = readdir($p_hdir)) {
- // ----- Look for a file
- if (is_file($v_path.$p_hitem)) {
- // ----- Add the file
- if (($v_result = $this->_addFile($v_path.$p_hitem, $v_header, $p_add_dir, $p_remove_dir, $p_remove_all_dir, $p_params)) != 1) {
- return $v_result;
- }
- // ----- Store the file infos
- $p_result_list[$v_nb++] = $v_header;
- } else {
- // ----- 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
- unset($p_temp_list);
- unset($p_hdir);
- unset($p_hitem);
- }
- }
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _addFile()
- // Description :
- // Parameters :
- // Return Values :
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_addFile()
- *
- * { Description }
- *
- * @return int
- */
- function _addFile($p_filename, &$p_header, $p_add_dir, $p_remove_dir, $p_remove_all_dir, &$p_params)
- {
- $v_result = 1;
- if ($p_filename == "") {
- // ----- Error log
- $this->_errorLog(ARCHIVE_ZIP_ERR_INVALID_PARAMETER, "Invalid file list parameter (invalid or empty list)");
- return Archive_Zip::errorCode();
- }
- // ----- Calculate the stored filename
- $v_stored_filename = $p_filename;
- // ----- Look for all path to remove
- if ($p_remove_all_dir) {
- $v_stored_filename = basename($p_filename);
- } else if ($p_remove_dir != "") {
- if (substr($p_remove_dir, -1) != '/') {
- $p_remove_dir .= "/";
- }
- if ((substr($p_filename, 0, 2) == "./") || (substr($p_remove_dir, 0, 2) == "./")) {
- if ((substr($p_filename, 0, 2) == "./") && (substr($p_remove_dir, 0, 2) != "./")) {
- $p_remove_dir = "./".$p_remove_dir;
- }
- if ((substr($p_filename, 0, 2) != "./") && (substr($p_remove_dir, 0, 2) == "./")) {
- $p_remove_dir = substr($p_remove_dir, 2);
- }
- }
- $v_compare = $this->_tool_PathInclusion($p_remove_dir, $p_filename);
- if ($v_compare > 0) {
- if ($v_compare == 2) {
- $v_stored_filename = "";
- } else {
- $v_stored_filename = substr($p_filename, strlen($p_remove_dir));
- }
- }
- }
- // ----- Look for path to add
- if ($p_add_dir != "") {
- if (substr($p_add_dir, -1) == "/") {
- $v_stored_filename = $p_add_dir.$v_stored_filename;
- } else {
- $v_stored_filename = $p_add_dir."/".$v_stored_filename;
- }
- }
- // ----- Filename (reduce the path of stored name)
- $v_stored_filename = $this->_tool_PathReduction($v_stored_filename);
- /* filename length moved after call-back in release 1.3
- // ----- Check the path length
- if (strlen($v_stored_filename) > 0xFF) {
- // ----- Error log
- $this->_errorLog(-5, "Stored file name is too long (max. 255) : '$v_stored_filename'");
- return Archive_Zip::errorCode();
- }
- */
- // ----- Set the file properties
- clearstatcache();
- $p_header['comment'] = '';
- $p_header['comment_len'] = 0;
- $p_header['compressed_size'] = 0;
- $p_header['compression'] = 0;
- $p_header['crc'] = 0;
- $p_header['disk'] = 0;
- $p_header['external'] = (is_file($p_filename)?0xFE49FFE0:0x41FF0010);
- $p_header['extra'] = '';
- $p_header['extra_len'] = 0;
- $p_header['filename'] = $p_filename;
- $p_header['filename_len'] = strlen($p_filename);
- $p_header['flag'] = 0;
- $p_header['index'] = -1;
- $p_header['internal'] = 0;
- $p_header['mtime'] = filemtime($p_filename);
- $p_header['offset'] = 0;
- $p_header['size'] = filesize($p_filename);
- $p_header['status'] = 'ok';
- $p_header['stored_filename'] = $v_stored_filename;
- $p_header['version'] = 20;
- $p_header['version_extracted'] = 10;
- // ----- Look for pre-add callback
- if ((isset($p_params[ARCHIVE_ZIP_PARAM_PRE_ADD]))
- && ($p_params[ARCHIVE_ZIP_PARAM_PRE_ADD] != '')) {
- // ----- Generate a local information
- $v_local_header = array();
- $this->_convertHeader2FileInfo($p_header, $v_local_header);
- // ----- Call the callback
- // Here I do not use call_user_func() because I need to send a reference to the
- // header.
- eval('$v_result = '.$p_params[ARCHIVE_ZIP_PARAM_PRE_ADD].'(ARCHIVE_ZIP_PARAM_PRE_ADD, $v_local_header);');
- if ($v_result == 0) {
- // ----- Change the file status
- $p_header['status'] = "skipped";
- $v_result = 1;
- }
- // ----- Update the informations
- // Only some fields can be modified
- if ($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') {
- // ----- Look for a file
- if (is_file($p_filename)) {
- // ----- Open the source file
- if (($v_file = @fopen($p_filename, "rb")) == 0) {
- $this->_errorLog(ARCHIVE_ZIP_ERR_READ_OPEN_FAIL, "Unable to open file '$p_filename' in binary read mode");
- return Archive_Zip::errorCode();
- }
- 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);
- } else {
- // ----- 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) {
- @fclose($v_file);
- return $v_result;
- }
- // ----- Write the compressed content
- $v_binary_data = pack('a'.$p_header['compressed_size'], $v_content_compressed);
- @fwrite($this->_zip_fd, $v_binary_data, $p_header['compressed_size']);
- // ----- Close the file
- @fclose($v_file);
- } else {
- // ----- Look for a directory
- // ----- Set the file properties
- $p_header['filename'] .= '/';
- $p_header['filename_len']++;
- $p_header['size'] = 0;
- $p_header['external'] = 0x41FF0010; // Value for a folder : to be checked
- // ----- Call the header generation
- if (($v_result = $this->_writeFileHeader($p_header)) != 1) {
- return $v_result;
- }
- }
- }
- // ----- Look for pre-add callback
- if ((isset($p_params[ARCHIVE_ZIP_PARAM_POST_ADD]))
- && ($p_params[ARCHIVE_ZIP_PARAM_POST_ADD] != '')) {
- // ----- Generate a local information
- $v_local_header = array();
- $this->_convertHeader2FileInfo($p_header, $v_local_header);
- // ----- Call the callback
- // Here I do not use call_user_func() because I need to send a reference to the
- // header.
- eval('$v_result = '.$p_params[ARCHIVE_ZIP_PARAM_POST_ADD].'(ARCHIVE_ZIP_PARAM_POST_ADD, $v_local_header);');
- if ($v_result == 0) {
- // ----- Ignored
- $v_result = 1;
- }
- // ----- Update the informations
- // Nothing can be modified
- }
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _writeFileHeader()
- // Description :
- // Parameters :
- // Return Values :
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_writeFileHeader()
- *
- * { Description }
- *
- * @return int
- */
- function _writeFileHeader(&$p_header)
- {
- $v_result = 1;
- // TBC
- //for(reset($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'];
- // ----- Packed data
- $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']);
- }
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _writeCentralFileHeader()
- // Description :
- // Parameters :
- // Return Values :
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_writeCentralFileHeader()
- *
- * { Description }
- *
- * @return int
- */
- function _writeCentralFileHeader(&$p_header)
- {
- $v_result = 1;
- // TBC
- //for(reset($p_header); $key = key($p_header); next($p_header)) {
- //}
- // ----- Transform UNIX mtime to DOS format mdate/mtime
- $v_date = getdate($p_header['mtime']);
- $v_mtime = ($v_date['hours']<<11) + ($v_date['minutes']<<5) + $v_date['seconds']/2;
- $v_mdate = (($v_date['year']-1980)<<9) + ($v_date['mon']<<5) + $v_date['mday'];
- // ----- Packed data
- $v_binary_data = pack("VvvvvvvVVVvvvvvVV", 0x02014b50, $p_header['version'], $p_header['version_extracted'],
- $p_header['flag'], $p_header['compression'], $v_mtime, $v_mdate, $p_header['crc'],
- $p_header['compressed_size'], $p_header['size'],
- strlen($p_header['stored_filename']), $p_header['extra_len'], $p_header['comment_len'],
- $p_header['disk'], $p_header['internal'], $p_header['external'], $p_header['offset']);
- // ----- Write the 42 bytes of the header in the zip file
- fputs($this->_zip_fd, $v_binary_data, 46);
- // ----- Write the variable fields
- if (strlen($p_header['stored_filename']) != 0) {
- fputs($this->_zip_fd, $p_header['stored_filename'], strlen($p_header['stored_filename']));
- }
- if ($p_header['extra_len'] != 0) {
- fputs($this->_zip_fd, $p_header['extra'], $p_header['extra_len']);
- }
- if ($p_header['comment_len'] != 0) {
- fputs($this->_zip_fd, $p_header['comment'], $p_header['comment_len']);
- }
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _writeCentralHeader()
- // Description :
- // Parameters :
- // Return Values :
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_writeCentralHeader()
- *
- * { Description }
- *
- * @return int
- */
- function _writeCentralHeader($p_nb_entries, $p_size, $p_offset, $p_comment)
- {
- $v_result = 1;
- // ----- Packed data
- $v_binary_data = pack("VvvvvVVv", 0x06054b50, 0, 0, $p_nb_entries, $p_nb_entries, $p_size, $p_offset, strlen($p_comment));
- // ----- Write the 22 bytes of the header in the zip file
- fputs($this->_zip_fd, $v_binary_data, 22);
- // ----- Write the variable fields
- if (strlen($p_comment) != 0) {
- fputs($this->_zip_fd, $p_comment, strlen($p_comment));
- }
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _list()
- // Description :
- // Parameters :
- // Return Values :
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_list()
- *
- * { Description }
- *
- * @return int
- */
- function _list(&$p_list)
- {
- $v_result = 1;
- // ----- Open the zip file
- if (($this->_zip_fd = @fopen($this->_zipname, 'rb')) == 0) {
- // ----- Error log
- $this->_errorLog(ARCHIVE_ZIP_ERR_READ_OPEN_FAIL, 'Unable to open archive \''.$this->_zipname.'\' in binary read mode');
- return Archive_Zip::errorCode();
- }
- // ----- Read the central directory informations
- $v_central_dir = array();
- if (($v_result = $this->_readEndCentralDir($v_central_dir)) != 1) {
- return $v_result;
- }
- // ----- Go to beginning of Central Dir
- @rewind($this->_zip_fd);
- if (@fseek($this->_zip_fd, $v_central_dir['offset'])) {
- // ----- Error log
- $this->_errorLog(ARCHIVE_ZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size');
- return Archive_Zip::errorCode();
- }
- // ----- Read each entry
- for ($i = 0; $i<$v_central_dir['entries']; $i++) {
- // ----- Read the file header
- if (($v_result = $this->_readCentralFileHeader($v_header)) != 1) {
- return $v_result;
- }
- $v_header['index'] = $i;
- // ----- Get the only interesting attributes
- $this->_convertHeader2FileInfo($v_header, $p_list[$i]);
- unset($v_header);
- }
- // ----- Close the zip file
- $this->_closeFd();
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _convertHeader2FileInfo()
- // Description :
- // 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.
- // $p_info['status'] = status of the action on the file.
- // Parameters :
- // Return Values :
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_convertHeader2FileInfo()
- *
- * { Description }
- *
- * @return int
- */
- function _convertHeader2FileInfo($p_header, &$p_info)
- {
- $v_result = 1;
- // ----- 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'];
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _extractByRule()
- // Description :
- // Extract a file or directory depending of rules (by index, by name, ...)
- // Parameters :
- // $p_file_list : An array where will be placed the properties of each
- // extracted file
- // $p_path : Path to add while writing the extracted files
- // $p_remove_path : Path to remove (from the file memorized path) while writing the
- // extracted files. If the path does not match the file path,
- // the file is extracted with its memorized path.
- // $p_remove_path does not apply to 'list' mode.
- // $p_path and $p_remove_path are commulative.
- // Return Values :
- // 1 on success,0 or less on error (see error code list)
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_extractByRule()
- *
- * { Description }
- *
- * @return int
- */
- function _extractByRule(&$p_file_list, &$p_params)
- {
- $v_result = 1;
- $p_path = $p_params['add_path'];
- $p_remove_path = $p_params['remove_path'];
- $p_remove_all_path = $p_params['remove_all_path'];
- // ----- Check the path
- if (($p_path == "")
- || ((substr($p_path, 0, 1) != "/")
- && (substr($p_path, 0, 3) != "../") && (substr($p_path,1,2)!=":/"))) {
- $p_path = "./".$p_path;
- }
- // ----- Reduce the path last (and duplicated) '/'
- if (($p_path != "./") && ($p_path != "/")) {
- // ----- Look for the path end '/'
- while (substr($p_path, -1) == "/") {
- $p_path = substr($p_path, 0, strlen($p_path)-1);
- }
- }
- // ----- Look for path to remove format (should end by /)
- if (($p_remove_path != "") && (substr($p_remove_path, -1) != '/')) {
- $p_remove_path .= '/';
- }
- $p_remove_path_size = strlen($p_remove_path);
- // ----- Open the zip file
- if (($v_result = $this->_openFd('rb')) != 1) {
- return $v_result;
- }
- // ----- Read the central directory informations
- $v_central_dir = array();
- if (($v_result = $this->_readEndCentralDir($v_central_dir)) != 1) {
- // ----- Close the zip file
- $this->_closeFd();
- return $v_result;
- }
- // ----- Start at beginning of Central Dir
- $v_pos_entry = $v_central_dir['offset'];
- // ----- Read each entry
- $j_start = 0;
- for ($i = 0, $v_nb_extracted = 0; $i<$v_central_dir['entries']; $i++) {
- // ----- Read next Central dir entry
- @rewind($this->_zip_fd);
- if (@fseek($this->_zip_fd, $v_pos_entry)) {
- $this->_closeFd();
- $this->_errorLog(ARCHIVE_ZIP_ERR_INVALID_ARCHIVE_ZIP,
- 'Invalid archive size');
- return Archive_Zip::errorCode();
- }
- // ----- Read the file header
- $v_header = array();
- if (($v_result = $this->_readCentralFileHeader($v_header)) != 1) {
- $this->_closeFd();
- return $v_result;
- }
- // ----- Store the index
- $v_header['index'] = $i;
- // ----- Store the file position
- $v_pos_entry = ftell($this->_zip_fd);
- // ----- Look for the specific extract rules
- $v_extract = false;
- // ----- Look for extract by name rule
- if ((isset($p_params[ARCHIVE_ZIP_PARAM_BY_NAME]))
- && ($p_params[ARCHIVE_ZIP_PARAM_BY_NAME] != 0)) {
- // ----- Look if the filename is in the list
- for ($j = 0; ($j<sizeof($p_params[ARCHIVE_ZIP_PARAM_BY_NAME])) && (!$v_extract); $j++) {
- // ----- Look for a directory
- if (substr($p_params[ARCHIVE_ZIP_PARAM_BY_NAME][$j], -1) == "/") {
- // ----- Look if the directory is in the filename path
- if ((strlen($v_header['stored_filename']) > strlen($p_params[ARCHIVE_ZIP_PARAM_BY_NAME][$j]))
- && (substr($v_header['stored_filename'], 0, strlen($p_params[ARCHIVE_ZIP_PARAM_BY_NAME][$j])) == $p_params[ARCHIVE_ZIP_PARAM_BY_NAME][$j])) {
- $v_extract = true;
- }
- } elseif ($v_header['stored_filename'] == $p_params[ARCHIVE_ZIP_PARAM_BY_NAME][$j]) {
- $v_extract = true;
- }
- }
- } else if ( (isset($p_params[ARCHIVE_ZIP_PARAM_BY_PREG]))
- && ($p_params[ARCHIVE_ZIP_PARAM_BY_PREG] != "")) {
- // ----- Look for extract by preg rule
- if (preg_match($p_params[ARCHIVE_ZIP_PARAM_BY_PREG], $v_header['stored_filename'])) {
- $v_extract = true;
- }
- } else if ((isset($p_params[ARCHIVE_ZIP_PARAM_BY_INDEX]))
- && ($p_params[ARCHIVE_ZIP_PARAM_BY_INDEX] != 0)) {
- // ----- Look for extract by index rule
- // ----- Look if the index is in the list
- for ($j = $j_start; ($j<sizeof($p_params[ARCHIVE_ZIP_PARAM_BY_INDEX])) && (!$v_extract); $j++) {
- if (($i>=$p_params[ARCHIVE_ZIP_PARAM_BY_INDEX][$j]['start']) && ($i<=$p_params[ARCHIVE_ZIP_PARAM_BY_INDEX][$j]['end'])) {
- $v_extract = true;
- }
- if ($i>=$p_params[ARCHIVE_ZIP_PARAM_BY_INDEX][$j]['end']) {
- $j_start = $j+1;
- }
- if ($p_params[ARCHIVE_ZIP_PARAM_BY_INDEX][$j]['start']>$i) {
- break;
- }
- }
- } else {
- // ----- Look for no rule, which means extract all the archive
- $v_extract = true;
- }
- // ----- Look for real extraction
- if ($v_extract) {
- // ----- Go to the file position
- @rewind($this->_zip_fd);
- if (@fseek($this->_zip_fd, $v_header['offset'])) {
- // ----- Close the zip file
- $this->_closeFd();
- // ----- Error log
- $this->_errorLog(ARCHIVE_ZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size');
- return Archive_Zip::errorCode();
- }
- // ----- Look for extraction as string
- if ($p_params[ARCHIVE_ZIP_PARAM_EXTRACT_AS_STRING]) {
- // ----- Extracting the file
- if (($v_result = $this->_extractFileAsString($v_header, $v_string)) != 1) {
- // ----- Close the zip file
- $this->_closeFd();
- return $v_result;
- }
- // ----- Get the only interesting attributes
- if (($v_result = $this->_convertHeader2FileInfo($v_header, $p_file_list[$v_nb_extracted])) != 1) {
- // ----- Close the zip file
- $this->_closeFd();
- return $v_result;
- }
- // ----- Set the file content
- $p_file_list[$v_nb_extracted]['content'] = $v_string;
- // ----- Next extracted file
- $v_nb_extracted++;
- } else {
- // ----- Extracting the file
- if (($v_result = $this->_extractFile($v_header, $p_path, $p_remove_path, $p_remove_all_path, $p_params)) != 1) {
- // ----- Close the zip file
- $this->_closeFd();
- return $v_result;
- }
- // ----- Get the only interesting attributes
- if (($v_result = $this->_convertHeader2FileInfo($v_header, $p_file_list[$v_nb_extracted++])) != 1) {
- // ----- Close the zip file
- $this->_closeFd();
- return $v_result;
- }
- }
- }
- }
- // ----- Close the zip file
- $this->_closeFd();
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _extractFile()
- // Description :
- // Parameters :
- // Return Values :
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_extractFile()
- *
- * { Description }
- *
- * @return int
- */
- function _extractFile(&$p_entry, $p_path, $p_remove_path, $p_remove_all_path, &$p_params)
- {
- $v_result = 1;
- // ----- Read the file header
- if (($v_result = $this->_readFileHeader($v_header)) != 1) {
- return $v_result;
- }
- // ----- Check that the file header is coherent with $p_entry info
- // TBC
- // ----- Look for all path to remove
- if ($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";
- return $v_result;
- }
- $p_remove_path_size = strlen($p_remove_path);
- if (substr($p_entry['filename'], 0, $p_remove_path_size) == $p_remove_path) {
- // ----- Remove the path
- $p_entry['filename'] = substr($p_entry['filename'], $p_remove_path_size);
- }
- }
- // ----- Add the path
- if ($p_path != '') {
- $p_entry['filename'] = $p_path."/".$p_entry['filename'];
- }
- // ----- Look for pre-extract callback
- if ((isset($p_params[ARCHIVE_ZIP_PARAM_PRE_EXTRACT]))
- && ($p_params[ARCHIVE_ZIP_PARAM_PRE_EXTRACT] != '')) {
- // ----- Generate a local information
- $v_local_header = array();
- $this->_convertHeader2FileInfo($p_entry, $v_local_header);
- // ----- Call the callback
- // Here I do not use call_user_func() because I need to send a reference to the
- // header.
- eval('$v_result = '.$p_params[ARCHIVE_ZIP_PARAM_PRE_EXTRACT].'(ARCHIVE_ZIP_PARAM_PRE_EXTRACT, $v_local_header);');
- if ($v_result == 0) {
- // ----- Change the file status
- $p_entry['status'] = "skipped";
- $v_result = 1;
- }
- // ----- Update the informations
- // Only some fields can be modified
- $p_entry['filename'] = $v_local_header['filename'];
- }
- // ----- Trace
- // ----- Look if extraction should be done
- if ($p_entry['status'] == 'ok') {
- // ----- Look for specific actions while the file exist
- if (file_exists($p_entry['filename'])) {
- // ----- Look if file is a directory
- if (is_dir($p_entry['filename'])) {
- // ----- Change the file status
- $p_entry['status'] = "already_a_directory";
- //return $v_result;
- } else if (!is_writeable($p_entry['filename'])) {
- // ----- Look if file is write protected
- // ----- Change the file status
- $p_entry['status'] = "write_protected";
- //return $v_result;
- } else if (filemtime($p_entry['filename']) > $p_entry['mtime']) {
- // ----- Look if the extracted file is older
- // ----- Change the file status
- $p_entry['status'] = "newer_exist";
- //return $v_result;
- }
- } else {
- // ----- Check the directory availability and create it if necessary
- if ((($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 = "";
- } else {
- $v_dir_to_check = dirname($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";
- //return $v_result;
- $v_result = 1;
- }
- }
- }
- // ----- Look if extraction should be done
- if ($p_entry['status'] == 'ok') {
- // ----- Do the extraction (if not a folder)
- if (!(($p_entry['external']&0x00000010)==0x00000010)) {
- // ----- Look for not compressed file
- if ($p_entry['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";
- return $v_result;
- }
- // ----- Read the file by ARCHIVE_ZIP_READ_BLOCK_SIZE octets blocks
- $v_size = $p_entry['compressed_size'];
- while ($v_size != 0) {
- $v_read_size = ($v_size < ARCHIVE_ZIP_READ_BLOCK_SIZE ? $v_size : ARCHIVE_ZIP_READ_BLOCK_SIZE);
- $v_buffer = fread($this->_zip_fd, $v_read_size);
- $v_binary_data = pack('a'.$v_read_size, $v_buffer);
- @fwrite($v_dest_file, $v_binary_data, $v_read_size);
- $v_size -= $v_read_size;
- }
- // ----- Closing the destination file
- fclose($v_dest_file);
- // ----- Change the file mtime
- touch($p_entry['filename'], $p_entry['mtime']);
- } else {
- // ----- Trace
- // ----- Opening destination file
- if (($v_dest_file = @fopen($p_entry['filename'], 'wb')) == 0) {
- // ----- Change the file status
- $p_entry['status'] = "write_error";
- return $v_result;
- }
- // ----- Read the compressed file in a buffer (one shot)
- $v_buffer = @fread($this->_zip_fd, $p_entry['compressed_size']);
- // ----- Decompress the file
- $v_file_content = gzinflate($v_buffer);
- unset($v_buffer);
- // ----- Write the uncompressed data
- @fwrite($v_dest_file, $v_file_content, $p_entry['size']);
- unset($v_file_content);
- // ----- Closing the destination file
- @fclose($v_dest_file);
- // ----- Change the file mtime
- touch($p_entry['filename'], $p_entry['mtime']);
- }
- // ----- Look for chmod option
- if ((isset($p_params[ARCHIVE_ZIP_PARAM_SET_CHMOD]))
- && ($p_params[ARCHIVE_ZIP_PARAM_SET_CHMOD] != 0)) {
- // ----- Change the mode of the file
- chmod($p_entry['filename'], $p_params[ARCHIVE_ZIP_PARAM_SET_CHMOD]);
- }
- }
- }
- // ----- Look for post-extract callback
- if ((isset($p_params[ARCHIVE_ZIP_PARAM_POST_EXTRACT]))
- && ($p_params[ARCHIVE_ZIP_PARAM_POST_EXTRACT] != '')) {
- // ----- Generate a local information
- $v_local_header = array();
- $this->_convertHeader2FileInfo($p_entry, $v_local_header);
- // ----- Call the callback
- // Here I do not use call_user_func() because I need to send a reference to the
- // header.
- eval('$v_result = '.$p_params[ARCHIVE_ZIP_PARAM_POST_EXTRACT].'(ARCHIVE_ZIP_PARAM_POST_EXTRACT, $v_local_header);');
- }
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _extractFileAsString()
- // Description :
- // Parameters :
- // Return Values :
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_extractFileAsString()
- *
- * { Description }
- *
- * @return int
- */
- function _extractFileAsString(&$p_entry, &$p_string)
- {
- $v_result = 1;
- // ----- Read the file header
- $v_header = array();
- if (($v_result = $this->_readFileHeader($v_header)) != 1) {
- return $v_result;
- }
- // ----- Check that the file header is coherent with $p_entry info
- // TBC
- // ----- Trace
- // ----- Do the extraction (if not a folder)
- if (!(($p_entry['external']&0x00000010)==0x00000010)) {
- // ----- Look for not compressed file
- if ($p_entry['compressed_size'] == $p_entry['size']) {
- // ----- Trace
- // ----- Reading the file
- $p_string = fread($this->_zip_fd, $p_entry['compressed_size']);
- } else {
- // ----- Trace
- // ----- Reading the file
- $v_data = fread($this->_zip_fd, $p_entry['compressed_size']);
- // ----- Decompress the file
- $p_string = gzinflate($v_data);
- }
- // ----- Trace
- } else {
- // TBC : error : can not extract a folder in a string
- }
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _readFileHeader()
- // Description :
- // Parameters :
- // Return Values :
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_readFileHeader()
- *
- * { Description }
- *
- * @return int
- */
- function _readFileHeader(&$p_header)
- {
- $v_result = 1;
- // ----- Read the 4 bytes signature
- $v_binary_data = @fread($this->_zip_fd, 4);
- $v_data = unpack('Vid', $v_binary_data);
- // ----- Check signature
- if ($v_data['id'] != 0x04034b50) {
- // ----- Error log
- $this->_errorLog(ARCHIVE_ZIP_ERR_BAD_FORMAT, 'Invalid archive structure');
- return Archive_Zip::errorCode();
- }
- // ----- Read the first 42 bytes of the header
- $v_binary_data = fread($this->_zip_fd, 26);
- // ----- Look for invalid block size
- if (strlen($v_binary_data) != 26) {
- $p_header['filename'] = "";
- $p_header['status'] = "invalid_header";
- // ----- Error log
- $this->_errorLog(ARCHIVE_ZIP_ERR_BAD_FORMAT, "Invalid block size : ".strlen($v_binary_data));
- return Archive_Zip::errorCode();
- }
- // ----- Extract the values
- $v_data = unpack('vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len', $v_binary_data);
- // ----- Get filename
- $p_header['filename'] = fread($this->_zip_fd, $v_data['filename_len']);
- // ----- Get extra_fields
- if ($v_data['extra_len'] != 0) {
- $p_header['extra'] = fread($this->_zip_fd, $v_data['extra_len']);
- } else {
- $p_header['extra'] = '';
- }
- // ----- Extract properties
- $p_header['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']) {
- // ----- Extract time
- $v_hour = ($p_header['mtime'] & 0xF800) >> 11;
- $v_minute = ($p_header['mtime'] & 0x07E0) >> 5;
- $v_seconde = ($p_header['mtime'] & 0x001F)*2;
- // ----- Extract date
- $v_year = (($p_header['mdate'] & 0xFE00) >> 9) + 1980;
- $v_month = ($p_header['mdate'] & 0x01E0) >> 5;
- $v_day = $p_header['mdate'] & 0x001F;
- // ----- Get UNIX date format
- $p_header['mtime'] = mktime($v_hour, $v_minute, $v_seconde, $v_month, $v_day, $v_year);
- } else {
- $p_header['mtime'] = time();
- }
- // ----- Other informations
- // TBC
- //for(reset($v_data); $key = key($v_data); next($v_data)) {
- //}
- // ----- Set the stored filename
- $p_header['stored_filename'] = $p_header['filename'];
- // ----- Set the status field
- $p_header['status'] = "ok";
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _readCentralFileHeader()
- // Description :
- // Parameters :
- // Return Values :
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_readCentralFileHeader()
- *
- * { Description }
- *
- * @return int
- */
- function _readCentralFileHeader(&$p_header)
- {
- $v_result = 1;
- // ----- Read the 4 bytes signature
- $v_binary_data = @fread($this->_zip_fd, 4);
- $v_data = unpack('Vid', $v_binary_data);
- // ----- Check signature
- if ($v_data['id'] != 0x02014b50) {
- // ----- Error log
- $this->_errorLog(ARCHIVE_ZIP_ERR_BAD_FORMAT, 'Invalid archive structure');
- return Archive_Zip::errorCode();
- }
- // ----- Read the first 42 bytes of the header
- $v_binary_data = fread($this->_zip_fd, 42);
- // ----- Look for invalid block size
- if (strlen($v_binary_data) != 42) {
- $p_header['filename'] = "";
- $p_header['status'] = "invalid_header";
- // ----- Error log
- $this->_errorLog(ARCHIVE_ZIP_ERR_BAD_FORMAT, "Invalid block size : ".strlen($v_binary_data));
- return Archive_Zip::errorCode();
- }
- // ----- Extract the values
- $p_header = unpack('vversion/vversion_extracted/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len/vcomment_len/vdisk/vinternal/Vexternal/Voffset', $v_binary_data);
- // ----- Get filename
- if ($p_header['filename_len'] != 0) {
- $p_header['filename'] = fread($this->_zip_fd, $p_header['filename_len']);
- } else {
- $p_header['filename'] = '';
- }
- // ----- Get extra
- if ($p_header['extra_len'] != 0) {
- $p_header['extra'] = fread($this->_zip_fd, $p_header['extra_len']);
- } else {
- $p_header['extra'] = '';
- }
- // ----- Get comment
- if ($p_header['comment_len'] != 0) {
- $p_header['comment'] = fread($this->_zip_fd, $p_header['comment_len']);
- } else {
- $p_header['comment'] = '';
- }
- // ----- Extract properties
- // ----- Recuperate date in UNIX format
- if ($p_header['mdate'] && $p_header['mtime']) {
- // ----- Extract time
- $v_hour = ($p_header['mtime'] & 0xF800) >> 11;
- $v_minute = ($p_header['mtime'] & 0x07E0) >> 5;
- $v_seconde = ($p_header['mtime'] & 0x001F)*2;
- // ----- Extract date
- $v_year = (($p_header['mdate'] & 0xFE00) >> 9) + 1980;
- $v_month = ($p_header['mdate'] & 0x01E0) >> 5;
- $v_day = $p_header['mdate'] & 0x001F;
- // ----- Get UNIX date format
- $p_header['mtime'] = mktime($v_hour, $v_minute, $v_seconde, $v_month, $v_day, $v_year);
- } else {
- $p_header['mtime'] = time();
- }
- // ----- Set the stored filename
- $p_header['stored_filename'] = $p_header['filename'];
- // ----- Set default status to ok
- $p_header['status'] = 'ok';
- // ----- Look if it is a directory
- if (substr($p_header['filename'], -1) == '/') {
- $p_header['external'] = 0x41FF0010;
- }
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _readEndCentralDir()
- // Description :
- // Parameters :
- // Return Values :
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_readEndCentralDir()
- *
- * { Description }
- *
- * @return int
- */
- function _readEndCentralDir(&$p_central_dir)
- {
- $v_result = 1;
- // ----- Go to the end of the zip file
- $v_size = filesize($this->_zipname);
- @fseek($this->_zip_fd, $v_size);
- if (@ftell($this->_zip_fd) != $v_size) {
- $this->_errorLog(ARCHIVE_ZIP_ERR_BAD_FORMAT,
- 'Unable to go to the end of the archive \''
- .$this->_zipname.'\'');
- return Archive_Zip::errorCode();
- }
- // ----- First try : look if this is an archive with no commentaries
- // (most of the time)
- // in this case the end of central dir is at 22 bytes of the file end
- $v_found = 0;
- if ($v_size > 26) {
- @fseek($this->_zip_fd, $v_size-22);
- if (($v_pos = @ftell($this->_zip_fd)) != ($v_size-22)) {
- $this->_errorLog(ARCHIVE_ZIP_ERR_BAD_FORMAT,
- 'Unable to seek back to the middle of the archive \''
- .$this->_zipname.'\'');
- return Archive_Zip::errorCode();
- }
- // ----- Read for bytes
- $v_binary_data = @fread($this->_zip_fd, 4);
- $v_data = unpack('Vid', $v_binary_data);
- // ----- Check signature
- if ($v_data['id'] == 0x06054b50) {
- $v_found = 1;
- }
- $v_pos = ftell($this->_zip_fd);
- }
- // ----- Go back to the maximum possible size of the Central Dir End Record
- if (!$v_found) {
- $v_maximum_size = 65557; // 0xFFFF + 22;
- if ($v_maximum_size > $v_size) {
- $v_maximum_size = $v_size;
- }
- @fseek($this->_zip_fd, $v_size-$v_maximum_size);
- if (@ftell($this->_zip_fd) != ($v_size-$v_maximum_size)) {
- $this->_errorLog(ARCHIVE_ZIP_ERR_BAD_FORMAT,
- 'Unable to seek back to the middle of the archive \''
- .$this->_zipname.'\'');
- return Archive_Zip::errorCode();
- }
- // ----- Read byte per byte in order to find the signature
- $v_pos = ftell($this->_zip_fd);
- $v_bytes = 0x00000000;
- while ($v_pos < $v_size) {
- // ----- Read a byte
- $v_byte = @fread($this->_zip_fd, 1);
- // ----- Add the byte
- $v_bytes = ($v_bytes << 8) | Ord($v_byte);
- // ----- Compare the bytes
- if ($v_bytes == 0x504b0506) {
- $v_pos++;
- break;
- }
- $v_pos++;
- }
- // ----- Look if not found end of central dir
- if ($v_pos == $v_size) {
- $this->_errorLog(ARCHIVE_ZIP_ERR_BAD_FORMAT,
- "Unable to find End of Central Dir Record signature");
- return Archive_Zip::errorCode();
- }
- }
- // ----- Read the first 18 bytes of the header
- $v_binary_data = fread($this->_zip_fd, 18);
- // ----- Look for invalid block size
- if (strlen($v_binary_data) != 18) {
- $this->_errorLog(ARCHIVE_ZIP_ERR_BAD_FORMAT,
- "Invalid End of Central Dir Record size : "
- .strlen($v_binary_data));
- return Archive_Zip::errorCode();
- }
- // ----- Extract the values
- $v_data = unpack('vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size', $v_binary_data);
- // ----- Check the global size
- if (($v_pos + $v_data['comment_size'] + 18) != $v_size) {
- $this->_errorLog(ARCHIVE_ZIP_ERR_BAD_FORMAT,
- "Fail to find the right signature");
- return Archive_Zip::errorCode();
- }
- // ----- Get comment
- if ($v_data['comment_size'] != 0) {
- $p_central_dir['comment'] = fread($this->_zip_fd, $v_data['comment_size']);
- } else {
- $p_central_dir['comment'] = '';
- }
- $p_central_dir['entries'] = $v_data['entries'];
- $p_central_dir['disk_entries'] = $v_data['disk_entries'];
- $p_central_dir['offset'] = $v_data['offset'];
- $p_central_dir['size'] = $v_data['size'];
- $p_central_dir['disk'] = $v_data['disk'];
- $p_central_dir['disk_start'] = $v_data['disk_start'];
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _deleteByRule()
- // Description :
- // Parameters :
- // Return Values :
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_deleteByRule()
- *
- * { Description }
- *
- * @return int
- */
- function _deleteByRule(&$p_result_list, &$p_params)
- {
- $v_result = 1;
- $v_list_detail = array();
- // ----- Open the zip file
- if (($v_result = $this->_openFd('rb')) != 1) {
- return $v_result;
- }
- // ----- Read the central directory informations
- $v_central_dir = array();
- if (($v_result = $this->_readEndCentralDir($v_central_dir)) != 1) {
- $this->_closeFd();
- return $v_result;
- }
- // ----- Go to beginning of File
- @rewind($this->_zip_fd);
- // ----- Scan all the files
- // ----- Start at beginning of Central Dir
- $v_pos_entry = $v_central_dir['offset'];
- @rewind($this->_zip_fd);
- if (@fseek($this->_zip_fd, $v_pos_entry)) {
- // ----- Clean
- $this->_closeFd();
- $this->_errorLog(ARCHIVE_ZIP_ERR_INVALID_ARCHIVE_ZIP,
- 'Invalid archive size');
- return Archive_Zip::errorCode();
- }
- // ----- Read each entry
- $v_header_list = array();
- $j_start = 0;
- for ($i = 0, $v_nb_extracted = 0; $i<$v_central_dir['entries']; $i++) {
- // ----- Read the file header
- $v_header_list[$v_nb_extracted] = array();
- $v_result = $this->_readCentralFileHeader($v_header_list[$v_nb_extracted]);
- if ($v_result != 1) {
- // ----- Clean
- $this->_closeFd();
- return $v_result;
- }
- // ----- Store the index
- $v_header_list[$v_nb_extracted]['index'] = $i;
- // ----- Look for the specific extract rules
- $v_found = false;
- // ----- Look for extract by name rule
- if ((isset($p_params[ARCHIVE_ZIP_PARAM_BY_NAME]))
- && ($p_params[ARCHIVE_ZIP_PARAM_BY_NAME] != 0)) {
- // ----- Look if the filename is in the list
- for ($j = 0; ($j<sizeof($p_params[ARCHIVE_ZIP_PARAM_BY_NAME])) && (!$v_found); $j++) {
- // ----- Look for a directory
- if (substr($p_params[ARCHIVE_ZIP_PARAM_BY_NAME][$j], -1) == "/") {
- // ----- Look if the directory is in the filename path
- if ( (strlen($v_header_list[$v_nb_extracted]['stored_filename']) > strlen($p_params[ARCHIVE_ZIP_PARAM_BY_NAME][$j]))
- && (substr($v_header_list[$v_nb_extracted]['stored_filename'], 0, strlen($p_params[ARCHIVE_ZIP_PARAM_BY_NAME][$j])) == $p_params[ARCHIVE_ZIP_PARAM_BY_NAME][$j])) {
- $v_found = true;
- } elseif ((($v_header_list[$v_nb_extracted]['external']&0x00000010)==0x00000010) /* Indicates a folder */
- && ($v_header_list[$v_nb_extracted]['stored_filename'].'/' == $p_params[ARCHIVE_ZIP_PARAM_BY_NAME][$j])) {
- $v_found = true;
- }
- } elseif ($v_header_list[$v_nb_extracted]['stored_filename'] == $p_params[ARCHIVE_ZIP_PARAM_BY_NAME][$j]) {
- // ----- Look for a filename
- $v_found = true;
- }
- }
- } else if ((isset($p_params[ARCHIVE_ZIP_PARAM_BY_PREG]))
- && ($p_params[ARCHIVE_ZIP_PARAM_BY_PREG] != "")) {
- // ----- Look for extract by preg rule
- if (preg_match($p_params[ARCHIVE_ZIP_PARAM_BY_PREG],
- $v_header_list[$v_nb_extracted]['stored_filename'])) {
- $v_found = true;
- }
- } else if ((isset($p_params[ARCHIVE_ZIP_PARAM_BY_INDEX]))
- && ($p_params[ARCHIVE_ZIP_PARAM_BY_INDEX] != 0)) {
- // ----- Look for extract by index rule
- // ----- Look if the index is in the list
- for ($j = $j_start; ($j<sizeof($p_params[ARCHIVE_ZIP_PARAM_BY_INDEX])) && (!$v_found); $j++) {
- if (($i>=$p_params[ARCHIVE_ZIP_PARAM_BY_INDEX][$j]['start'])
- && ($i<=$p_params[ARCHIVE_ZIP_PARAM_BY_INDEX][$j]['end'])) {
- $v_found = true;
- }
- if ($i>=$p_params[ARCHIVE_ZIP_PARAM_BY_INDEX][$j]['end']) {
- $j_start = $j+1;
- }
- if ($p_params[ARCHIVE_ZIP_PARAM_BY_INDEX][$j]['start']>$i) {
- break;
- }
- }
- }
- // ----- Look for deletion
- if ($v_found) {
- unset($v_header_list[$v_nb_extracted]);
- } else {
- $v_nb_extracted++;
- }
- }
- // ----- Look if something need to be deleted
- if ($v_nb_extracted > 0) {
- // ----- Creates a temporay file
- $v_zip_temp_name = ARCHIVE_ZIP_TEMPORARY_DIR.uniqid('archive_zip-')
- .'.tmp';
- // ----- Creates a temporary zip archive
- $v_temp_zip = new Archive_Zip($v_zip_temp_name);
- // ----- Open the temporary zip file in write mode
- if (($v_result = $v_temp_zip->_openFd('wb')) != 1) {
- $this->_closeFd();
- return $v_result;
- }
- // ----- Look which file need to be kept
- for ($i = 0; $i<sizeof($v_header_list); $i++) {
- // ----- Calculate the position of the header
- @rewind($this->_zip_fd);
- if (@fseek($this->_zip_fd, $v_header_list[$i]['offset'])) {
- // ----- Clean
- $this->_closeFd();
- $v_temp_zip->_closeFd();
- @unlink($v_zip_temp_name);
- $this->_errorLog(ARCHIVE_ZIP_ERR_INVALID_ARCHIVE_ZIP,
- 'Invalid archive size');
- return Archive_Zip::errorCode();
- }
- // ----- Read the file header
- if (($v_result = $this->_readFileHeader($v_header_list[$i])) != 1) {
- // ----- Clean
- $this->_closeFd();
- $v_temp_zip->_closeFd();
- @unlink($v_zip_temp_name);
- return $v_result;
- }
- // ----- Write the file header
- $v_result = $v_temp_zip->_writeFileHeader($v_header_list[$i]);
- if ($v_result != 1) {
- // ----- Clean
- $this->_closeFd();
- $v_temp_zip->_closeFd();
- @unlink($v_zip_temp_name);
- return $v_result;
- }
- // ----- Read/write the data block
- $v_result = $this->_tool_CopyBlock($this->_zip_fd,
- $v_temp_zip->_zip_fd,
- $v_header_list[$i]['compressed_size']);
- if ($v_result != 1) {
- // ----- Clean
- $this->_closeFd();
- $v_temp_zip->_closeFd();
- @unlink($v_zip_temp_name);
- return $v_result;
- }
- }
- // ----- Store the offset of the central dir
- $v_offset = @ftell($v_temp_zip->_zip_fd);
- // ----- Re-Create the Central Dir files header
- for ($i = 0; $i<sizeof($v_header_list); $i++) {
- // ----- Create the file header
- $v_result = $v_temp_zip->_writeCentralFileHeader($v_header_list[$i]);
- if ($v_result != 1) {
- // ----- Clean
- $v_temp_zip->_closeFd();
- $this->_closeFd();
- @unlink($v_zip_temp_name);
- return $v_result;
- }
- // ----- Transform the header to a 'usable' info
- $v_temp_zip->_convertHeader2FileInfo($v_header_list[$i],
- $p_result_list[$i]);
- }
- // ----- Zip file comment
- $v_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),
- $v_size, $v_offset,
- $v_comment);
- if ($v_result != 1) {
- // ----- Clean
- unset($v_header_list);
- $v_temp_zip->_closeFd();
- $this->_closeFd();
- @unlink($v_zip_temp_name);
- return $v_result;
- }
- // ----- Close
- $v_temp_zip->_closeFd();
- $this->_closeFd();
- // ----- Delete the zip file
- // TBC : I should test the result ...
- @unlink($this->_zipname);
- // ----- Rename the temporary file
- // TBC : I should test the result ...
- //@rename($v_zip_temp_name, $this->_zipname);
- $this->_tool_Rename($v_zip_temp_name, $this->_zipname);
- // ----- Destroy the temporary archive
- unset($v_temp_zip);
- }
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _dirCheck()
- // Description :
- // Check if a directory exists, if not it creates it and all the parents directory
- // which may be useful.
- // Parameters :
- // $p_dir : Directory path to check.
- // Return Values :
- // 1 : OK
- // -1 : Unable to create directory
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_dirCheck()
- *
- * { Description }
- *
- * @param [type] $p_is_dir
- * @return int
- */
- function _dirCheck($p_dir, $p_is_dir = false)
- {
- $v_result = 1;
- // ----- Remove the final '/'
- if (($p_is_dir) && (substr($p_dir, -1)=='/')) {
- $p_dir = substr($p_dir, 0, strlen($p_dir)-1);
- }
- // ----- Check the directory availability
- if ((is_dir($p_dir)) || ($p_dir == "")) {
- return 1;
- }
- // ----- Extract parent directory
- $p_parent_dir = dirname($p_dir);
- // ----- Just a check
- if ($p_parent_dir != $p_dir) {
- // ----- Look for parent directory
- if ($p_parent_dir != "") {
- if (($v_result = $this->_dirCheck($p_parent_dir)) != 1) {
- return $v_result;
- }
- }
- }
- // ----- Create the directory
- if (!@mkdir($p_dir, 0777)) {
- $this->_errorLog(ARCHIVE_ZIP_ERR_DIR_CREATE_FAIL,
- "Unable to create directory '$p_dir'");
- return Archive_Zip::errorCode();
- }
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _merge()
- // Description :
- // If $p_archive_to_add does not exist, the function exit with a success result.
- // Parameters :
- // Return Values :
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_merge()
- *
- * { Description }
- *
- * @return int
- */
- function _merge(&$p_archive_to_add)
- {
- $v_result = 1;
- // ----- Look if the archive_to_add exists
- if (!is_file($p_archive_to_add->_zipname)) {
- // ----- Nothing to merge, so merge is a success
- return 1;
- }
- // ----- Look if the archive exists
- if (!is_file($this->_zipname)) {
- // ----- Do a duplicate
- $v_result = $this->_duplicate($p_archive_to_add->_zipname);
- return $v_result;
- }
- // ----- Open the zip file
- if (($v_result = $this->_openFd('rb')) != 1) {
- return $v_result;
- }
- // ----- Read the central directory informations
- $v_central_dir = array();
- if (($v_result = $this->_readEndCentralDir($v_central_dir)) != 1) {
- $this->_closeFd();
- return $v_result;
- }
- // ----- Go to beginning of File
- @rewind($this->_zip_fd);
- // ----- Open the archive_to_add file
- if (($v_result = $p_archive_to_add->_openFd('rb')) != 1) {
- $this->_closeFd();
- return $v_result;
- }
- // ----- Read the central directory informations
- $v_central_dir_to_add = array();
- $v_result = $p_archive_to_add->_readEndCentralDir($v_central_dir_to_add);
- if ($v_result != 1) {
- $this->_closeFd();
- $p_archive_to_add->_closeFd();
- return $v_result;
- }
- // ----- Go to beginning of File
- @rewind($p_archive_to_add->_zip_fd);
- // ----- Creates a temporay file
- $v_zip_temp_name = ARCHIVE_ZIP_TEMPORARY_DIR.uniqid('archive_zip-').'.tmp';
- // ----- Open the temporary file in write mode
- if (($v_zip_temp_fd = @fopen($v_zip_temp_name, 'wb')) == 0) {
- $this->_closeFd();
- $p_archive_to_add->_closeFd();
- $this->_errorLog(ARCHIVE_ZIP_ERR_READ_OPEN_FAIL,
- 'Unable to open temporary file \''
- .$v_zip_temp_name.'\' in binary write mode');
- return Archive_Zip::errorCode();
- }
- // ----- Copy the files from the archive to the temporary file
- // TBC : Here I should better append the file and go back to erase the
- // central dir
- $v_size = $v_central_dir['offset'];
- while ($v_size != 0) {
- $v_read_size = ($v_size < ARCHIVE_ZIP_READ_BLOCK_SIZE
- ? $v_size : ARCHIVE_ZIP_READ_BLOCK_SIZE);
- $v_buffer = fread($this->_zip_fd, $v_read_size);
- @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
- $v_size -= $v_read_size;
- }
- // ----- Copy the files from the archive_to_add into the temporary file
- $v_size = $v_central_dir_to_add['offset'];
- while ($v_size != 0) {
- $v_read_size = ($v_size < ARCHIVE_ZIP_READ_BLOCK_SIZE
- ? $v_size : ARCHIVE_ZIP_READ_BLOCK_SIZE);
- $v_buffer = fread($p_archive_to_add->_zip_fd, $v_read_size);
- @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
- $v_size -= $v_read_size;
- }
- // ----- Store the offset of the central dir
- $v_offset = @ftell($v_zip_temp_fd);
- // ----- Copy the block of file headers from the old archive
- $v_size = $v_central_dir['size'];
- while ($v_size != 0) {
- $v_read_size = ($v_size < ARCHIVE_ZIP_READ_BLOCK_SIZE
- ? $v_size : ARCHIVE_ZIP_READ_BLOCK_SIZE);
- $v_buffer = @fread($this->_zip_fd, $v_read_size);
- @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
- $v_size -= $v_read_size;
- }
- // ----- Copy the block of file headers from the archive_to_add
- $v_size = $v_central_dir_to_add['size'];
- while ($v_size != 0) {
- $v_read_size = ($v_size < ARCHIVE_ZIP_READ_BLOCK_SIZE
- ? $v_size : ARCHIVE_ZIP_READ_BLOCK_SIZE);
- $v_buffer = @fread($p_archive_to_add->_zip_fd, $v_read_size);
- @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
- $v_size -= $v_read_size;
- }
- // ----- Zip file comment
- // TBC : I should merge the two comments
- $v_comment = '';
- // ----- Calculate the size of the (new) central header
- $v_size = @ftell($v_zip_temp_fd)-$v_offset;
- // ----- Swap the file descriptor
- // Here is a trick : I swap the temporary fd with the zip fd, in order to use
- // the following methods on the temporary fil and not the real archive fd
- $v_swap = $this->_zip_fd;
- $this->_zip_fd = $v_zip_temp_fd;
- $v_zip_temp_fd = $v_swap;
- // ----- Create the central dir footer
- if (($v_result = $this->_writeCentralHeader($v_central_dir['entries']
- +$v_central_dir_to_add['entries'],
- $v_size, $v_offset,
- $v_comment)) != 1) {
- $this->_closeFd();
- $p_archive_to_add->_closeFd();
- @fclose($v_zip_temp_fd);
- $this->_zip_fd = null;
- // ----- Reset the file list
- unset($v_header_list);
- return $v_result;
- }
- // ----- Swap back the file descriptor
- $v_swap = $this->_zip_fd;
- $this->_zip_fd = $v_zip_temp_fd;
- $v_zip_temp_fd = $v_swap;
- // ----- Close
- $this->_closeFd();
- $p_archive_to_add->_closeFd();
- // ----- Close the temporary file
- @fclose($v_zip_temp_fd);
- // ----- Delete the zip file
- // TBC : I should test the result ...
- @unlink($this->_zipname);
- // ----- Rename the temporary file
- // TBC : I should test the result ...
- //@rename($v_zip_temp_name, $this->_zipname);
- $this->_tool_Rename($v_zip_temp_name, $this->_zipname);
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _duplicate()
- // Description :
- // Parameters :
- // Return Values :
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_duplicate()
- *
- * { Description }
- * @return int
- */
- function _duplicate($p_archive_filename)
- {
- $v_result = 1;
- // ----- Look if the $p_archive_filename exists
- if (!is_file($p_archive_filename)) {
- // ----- Nothing to duplicate, so duplicate is a success.
- $v_result = 1;
- return $v_result;
- }
- // ----- Open the zip file
- if (($v_result = $this->_openFd('wb')) != 1) {
- return $v_result;
- }
- // ----- Open the temporary file in write mode
- if (($v_zip_temp_fd = @fopen($p_archive_filename, 'rb')) == 0) {
- $this->_closeFd();
- $this->_errorLog(ARCHIVE_ZIP_ERR_READ_OPEN_FAIL,
- 'Unable to open archive file \''
- .$p_archive_filename.'\' in binary write mode');
- return Archive_Zip::errorCode();
- }
- // ----- Copy the files from the archive to the temporary file
- // TBC : Here I should better append the file and go back to erase the
- // central dir
- $v_size = filesize($p_archive_filename);
- while ($v_size != 0) {
- $v_read_size = ($v_size < ARCHIVE_ZIP_READ_BLOCK_SIZE
- ? $v_size : ARCHIVE_ZIP_READ_BLOCK_SIZE);
- $v_buffer = fread($v_zip_temp_fd, $v_read_size);
- @fwrite($this->_zip_fd, $v_buffer, $v_read_size);
- $v_size -= $v_read_size;
- }
- // ----- Close
- $this->_closeFd();
- // ----- Close the temporary file
- @fclose($v_zip_temp_fd);
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_check_parameters()
- *
- * { Description }
- *
- * @param integer $p_error_code
- * @param string $p_error_string
- *
- * @return int
- */
- function _check_parameters(&$p_params, $p_default)
- {
- // ----- Check that param is an array
- if (!is_array($p_params)) {
- $this->_errorLog(ARCHIVE_ZIP_ERR_INVALID_PARAMETER,
- 'Unsupported parameter, waiting for an array');
- return Archive_Zip::errorCode();
- }
- // ----- Check that all the params are valid
- for (reset($p_params); list($v_key, $v_value) = each($p_params); ) {
- if (!isset($p_default[$v_key])) {
- $this->_errorLog(ARCHIVE_ZIP_ERR_INVALID_PARAMETER,
- 'Unsupported parameter with key \''.$v_key.'\'');
- return Archive_Zip::errorCode();
- }
- }
- // ----- 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] != '')) {
- if (!function_exists($p_params[$v_key])) {
- $this->_errorLog(ARCHIVE_ZIP_ERR_INVALID_PARAM_VALUE,
- "Callback '".$p_params[$v_key]
- ."()' is not an existing function for "
- ."parameter '".$v_key."'");
- return Archive_Zip::errorCode();
- }
- }
- }
- return(1);
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _errorLog()
- // Description :
- // Parameters :
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_errorLog()
- *
- * { Description }
- *
- * @param integer $p_error_code Error code
- * @param string $p_error_string Error message
- *
- * @return void
- */
- function _errorLog($p_error_code = 0, $p_error_string = '')
- {
- $this->_error_code = $p_error_code;
- $this->_error_string = $p_error_string;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : _errorReset()
- // Description :
- // Parameters :
- // ---------------------------------------------------------------------------
- /**
- * Archive_Zip::_errorReset()
- *
- * { Description }
- *
- * @return void
- */
- function _errorReset()
- {
- $this->_error_code = 1;
- $this->_error_string = '';
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : $this->_tool_PathReduction()
- // Description :
- // Parameters :
- // Return Values :
- // ---------------------------------------------------------------------------
- /**
- * _tool_PathReduction()
- *
- * { Description }
- *
- * @return string
- */
- function _tool_PathReduction($p_dir)
- {
- $v_result = "";
- // ----- Look for not empty path
- if ($p_dir != "") {
- // ----- Explode path by directory names
- $v_list = explode("/", $p_dir);
- // ----- Study directories from last to first
- for ($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
- $i--;
- } else if (($v_list[$i] == "") && ($i!=(sizeof($v_list)-1)) && ($i!=0)) {
- // ----- Ignore only the double '//' in path,
- // but not the first and last '/'
- } else {
- $v_result = $v_list[$i].($i!=(sizeof($v_list)-1)?"/".$v_result:"");
- }
- }
- }
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : $this->_tool_PathInclusion()
- // Description :
- // This function indicates if the path $p_path is under the $p_dir tree. Or,
- // said in an other way, if the file or sub-dir $p_path is inside the dir
- // $p_dir.
- // The function indicates also if the path is exactly the same as the dir.
- // This function supports path with duplicated '/' like '//', but does not
- // support '.' or '..' statements.
- // Parameters :
- // Return Values :
- // 0 if $p_path is not inside directory $p_dir
- // 1 if $p_path is inside directory $p_dir
- // 2 if $p_path is exactly the same as $p_dir
- // ---------------------------------------------------------------------------
- /**
- * _tool_PathInclusion()
- *
- * { Description }
- *
- * @return int
- */
- function _tool_PathInclusion($p_dir, $p_path)
- {
- $v_result = 1;
- // ----- 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
- $i = 0;
- $j = 0;
- while (($i < $v_list_dir_size) && ($j < $v_list_path_size) && ($v_result)) {
- // ----- Look for empty dir (path reduction)
- if ($v_list_dir[$i] == '') {
- $i++;
- continue;
- }
- if ($v_list_path[$j] == '') {
- $j++;
- continue;
- }
- // ----- Compare the items
- if (($v_list_dir[$i] != $v_list_path[$j])
- && ($v_list_dir[$i] != '')
- && ( $v_list_path[$j] != '')) {
- $v_result = 0;
- }
- // ----- Next items
- $i++;
- $j++;
- }
- // ----- Look if everything seems to be the same
- if ($v_result) {
- // ----- Skip all the empty items
- while (($j < $v_list_path_size) && ($v_list_path[$j] == '')) {
- $j++;
- }
- while (($i < $v_list_dir_size) && ($v_list_dir[$i] == '')) {
- $i++;
- }
- if (($i >= $v_list_dir_size) && ($j >= $v_list_path_size)) {
- // ----- There are exactly the same
- $v_result = 2;
- } else if ($i < $v_list_dir_size) {
- // ----- The path is shorter than the dir
- $v_result = 0;
- }
- }
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : $this->_tool_CopyBlock()
- // Description :
- // Parameters :
- // $p_mode : read/write compression mode
- // 0 : src & dest normal
- // 1 : src gzip, dest normal
- // 2 : src normal, dest gzip
- // 3 : src & dest gzip
- // Return Values :
- // ---------------------------------------------------------------------------
- /**
- * _tool_CopyBlock()
- *
- * { Description }
- *
- * @param integer $p_mode
- *
- * @return int
- */
- function _tool_CopyBlock($p_src, $p_dest, $p_size, $p_mode = 0)
- {
- $v_result = 1;
- if ($p_mode == 0) {
- while ($p_size != 0) {
- $v_read_size = ($p_size < ARCHIVE_ZIP_READ_BLOCK_SIZE
- ? $p_size : ARCHIVE_ZIP_READ_BLOCK_SIZE);
- $v_buffer = @fread($p_src, $v_read_size);
- @fwrite($p_dest, $v_buffer, $v_read_size);
- $p_size -= $v_read_size;
- }
- } else if ($p_mode == 1) {
- while ($p_size != 0) {
- $v_read_size = ($p_size < ARCHIVE_ZIP_READ_BLOCK_SIZE
- ? $p_size : ARCHIVE_ZIP_READ_BLOCK_SIZE);
- $v_buffer = @gzread($p_src, $v_read_size);
- @fwrite($p_dest, $v_buffer, $v_read_size);
- $p_size -= $v_read_size;
- }
- } else if ($p_mode == 2) {
- while ($p_size != 0) {
- $v_read_size = ($p_size < ARCHIVE_ZIP_READ_BLOCK_SIZE
- ? $p_size : ARCHIVE_ZIP_READ_BLOCK_SIZE);
- $v_buffer = @fread($p_src, $v_read_size);
- @gzwrite($p_dest, $v_buffer, $v_read_size);
- $p_size -= $v_read_size;
- }
- } else if ($p_mode == 3) {
- while ($p_size != 0) {
- $v_read_size = ($p_size < ARCHIVE_ZIP_READ_BLOCK_SIZE
- ? $p_size : ARCHIVE_ZIP_READ_BLOCK_SIZE);
- $v_buffer = @gzread($p_src, $v_read_size);
- @gzwrite($p_dest, $v_buffer, $v_read_size);
- $p_size -= $v_read_size;
- }
- }
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : $this->_tool_Rename()
- // Description :
- // This function tries to do a simple rename() function. If it fails, it
- // tries to copy the $p_src file in a new $p_dest file and then unlink the
- // first one.
- // Parameters :
- // $p_src : Old filename
- // $p_dest : New filename
- // Return Values :
- // 1 on success, 0 on failure.
- // ---------------------------------------------------------------------------
- /**
- * _tool_Rename()
- *
- * { Description }
- * @return int
- */
- function _tool_Rename($p_src, $p_dest)
- {
- $v_result = 1;
- // ----- Try to rename the files
- if (!@rename($p_src, $p_dest)) {
- // ----- Try to copy & unlink the src
- if (!@copy($p_src, $p_dest)) {
- $v_result = 0;
- } else if (!@unlink($p_src)) {
- $v_result = 0;
- }
- }
- return $v_result;
- }
- // ---------------------------------------------------------------------------
- // ---------------------------------------------------------------------------
- // Function : $this->_tool_TranslateWinPath()
- // Description :
- // Translate windows path by replacing '\' by '/' and optionally removing
- // drive letter.
- // Parameters :
- // $p_path : path to translate.
- // $p_remove_disk_letter : true | false
- // Return Values :
- // The path translated.
- // ---------------------------------------------------------------------------
- /**
- * _tool_TranslateWinPath()
- *
- * { Description }
- *
- * @param [type] $p_remove_disk_letter
- *
- * @return string
- */
- function _tool_TranslateWinPath($p_path, $p_remove_disk_letter = true)
- {
- if (stristr(php_uname(), 'windows')) {
- // ----- Look for potential disk letter
- if (($p_remove_disk_letter)
- && (($v_position = strpos($p_path, ':')) != false)) {
- $p_path = substr($p_path, $v_position+1);
- }
- // ----- Change potential windows directory separator
- if ((strpos($p_path, '\\') > 0) || (substr($p_path, 0, 1) == '\\')) {
- $p_path = strtr($p_path, '\\', '/');
- }
- }
- return $p_path;
- }
- // ---------------------------------------------------------------------------
- }