| // +----------------------------------------------------------------------+ // // $Id: Zip.php,v 1.2 2005/11/21 06:51:57 vblavet Exp $ 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_EREG', 'by_ereg' ); 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 * @version $Revision: 1.2 $ * @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. * * @access public * @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); } // ----- Look if the $p_filelist is a string else if (is_string($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); } // ----- Invalid variable 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. * * @access public * @param mixed $p_filelist The list of the files or folders to add. * It can be a string with filenames separated * by a comma, or an array of filenames. * @param mixed $p_params An array of variable parameters and values. * @return mixed An array of file description on success, * 0 on an unrecoverable failure, an error code is logged. */ function add($p_filelist, $p_params=0) { $this->_errorReset(); // ----- Set default values if ($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); } // ----- Look if the $p_filelist is a string else if (is_string($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); } // ----- Invalid variable 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 the result list 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 ereg, 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_ereg' : A regular expression (ereg) that must match the extracted * filename. * '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. * * @access public * @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_ereg' => '', '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_ereg' : A regular expression (ereg) that must match the extracted * filename. * 'by_preg' : A regular expression (preg) that must match the extracted * filename. * * @access public * @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_ereg' => '', 'by_preg' => '') ) != 1) { return 0; } // ----- Check that at least one rule is set if ( ($p_params['by_name'] == '') && ($p_params['by_index'] == '') && ($p_params['by_ereg'] == '') && ($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 * * @access public * @param mixed $p_params {Description} * @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. * * @access public * @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); } // ----- Look if the $p_archive is a string (so a filename) else if (is_string($p_archive)) { // ----- Check that $p_archive is a valid zip file // TBC : Should also check the archive format if (!is_file($p_archive)) { $this->_errorLog(ARCHIVE_ZIP_ERR_MISSING_FILE, "No file with filename '".$p_archive."'"); $v_result = ARCHIVE_ZIP_ERR_MISSING_FILE; } else { $v_result = $this->_duplicate($p_archive); } } // ----- Invalid variable 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. * * @access public * @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); } // ----- Look if the $p_archive_to_add is a string (so a filename) else if (is_string($p_archive_to_add)) { // ----- Create a temporary archive $v_object_archive = new Archive_Zip($p_archive_to_add); // ----- Merge the archive $v_result = $this->_merge($v_object_archive); } // ----- Invalid variable 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. * * @access public * @param boolean $p_with_code If true, gives the name and the int value. * @return string The error name. */ function errorName($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. * * @access public * @param boolean $p_full If set to true gives the description with the * error code, the name and the description. * If set to false gives only the description * and the error code. * @return string The error description. */ function errorInfo($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 $p_level */ function _checkFormat($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 return $v_result; } // --------------------------------------------------------------------------- // --------------------------------------------------------------------------- // Function : _create() // Description : // Parameters : // Return Values : // --------------------------------------------------------------------------- /** * Archive_Zip::_create() * * { Description } * */ function _create($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 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 return $v_result; } // --------------------------------------------------------------------------- // --------------------------------------------------------------------------- // Function : _add() // Description : // Parameters : // Return Values : // --------------------------------------------------------------------------- /** * Archive_Zip::_add() * * { Description } * */ function _add($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 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; $i_writeCentralFileHeader($v_header_list[$i]))!=1) { fclose($v_zip_temp_fd); $this->_closeFd(); @unlink($v_zip_temp_name); // ----- Return 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 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 return $v_result; } // --------------------------------------------------------------------------- // --------------------------------------------------------------------------- // Function : _openFd() // Description : // Parameters : // --------------------------------------------------------------------------- /** * Archive_Zip::_openFd() * * { Description } * */ function _openFd($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 return $v_result; } // --------------------------------------------------------------------------- // --------------------------------------------------------------------------- // Function : _closeFd() // Description : // Parameters : // --------------------------------------------------------------------------- /** * Archive_Zip::_closeFd() * * { Description } * */ function _closeFd() { $v_result=1; if ($this->_zip_fd != 0) @fclose($this->_zip_fd); $this->_zip_fd = 0; // ----- Return 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 // $p_remove_dir : Path to remove in the filename path archived // Return Values : // --------------------------------------------------------------------------- /** * Archive_Zip::_addList() * * { Description } * */ function _addList($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; $i_writeCentralFileHeader($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 return $v_result; } // ----- Return 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 // $p_remove_dir : Path to remove in the filename path archived // Return Values : // --------------------------------------------------------------------------- /** * Archive_Zip::_addFileList() * * { Description } * */ function _addFileList($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_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 status 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 status return $v_result; } // ----- Store the file infos $p_result_list[$v_nb++] = $v_header; } // ----- Recursive call to _addFileList() else { // ----- 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 $v_result; } // --------------------------------------------------------------------------- // --------------------------------------------------------------------------- // Function : _addFile() // Description : // Parameters : // Return Values : // --------------------------------------------------------------------------- /** * Archive_Zip::_addFile() * * { Description } * */ function _addFile($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 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); } // ----- Look for partial path remove else if ($p_remove_dir != "") { if (substr($p_remove_dir, -1) != '/') $p_remove_dir .= "/"; if ((substr($p_filename, 0, 2) == "./") || (substr($p_remove_dir, 0, 2) == "./")) { if ((substr($p_filename, 0, 2) == "./") && (substr($p_remove_dir, 0, 2) != "./")) $p_remove_dir = "./".$p_remove_dir; if ((substr($p_filename, 0, 2) != "./") && (substr($p_remove_dir, 0, 2) == "./")) $p_remove_dir = substr($p_remove_dir, 2); } $v_compare = $this->_tool_PathInclusion($p_remove_dir, $p_filename); if ($v_compare > 0) // if (substr($p_filename, 0, strlen($p_remove_dir)) == $p_remove_dir) { if ($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 return Archive_Zip::errorCode(); } */ // ----- Set the file properties clearstatcache(); $p_header['version'] = 20; $p_header['version_extracted'] = 10; $p_header['flag'] = 0; $p_header['compression'] = 0; $p_header['mtime'] = filemtime($p_filename); $p_header['crc'] = 0; $p_header['compressed_size'] = 0; $p_header['size'] = filesize($p_filename); $p_header['filename_len'] = strlen($p_filename); $p_header['extra_len'] = 0; $p_header['comment_len'] = 0; $p_header['disk'] = 0; $p_header['internal'] = 0; $p_header['external'] = (is_file($p_filename)?0xFE49FFE0:0x41FF0010); $p_header['offset'] = 0; $p_header['filename'] = $p_filename; $p_header['stored_filename'] = $v_stored_filename; $p_header['extra'] = ''; $p_header['comment'] = ''; $p_header['status'] = 'ok'; $p_header['index'] = -1; // ----- Look for pre-add callback if ( (isset($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); } // ----- Look for a directory else { // ----- 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 return $v_result; } // --------------------------------------------------------------------------- // --------------------------------------------------------------------------- // Function : _writeFileHeader() // Description : // Parameters : // Return Values : // --------------------------------------------------------------------------- /** * Archive_Zip::_writeFileHeader() * * { Description } * */ function _writeFileHeader(&$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 return $v_result; } // --------------------------------------------------------------------------- // --------------------------------------------------------------------------- // Function : _writeCentralFileHeader() // Description : // Parameters : // Return Values : // --------------------------------------------------------------------------- /** * Archive_Zip::_writeCentralFileHeader() * * { Description } * */ function _writeCentralFileHeader(&$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 return $v_result; } // --------------------------------------------------------------------------- // --------------------------------------------------------------------------- // Function : _writeCentralHeader() // Description : // Parameters : // Return Values : // --------------------------------------------------------------------------- /** * Archive_Zip::_writeCentralHeader() * * { Description } * */ function _writeCentralHeader($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 return $v_result; } // --------------------------------------------------------------------------- // --------------------------------------------------------------------------- // Function : _list() // Description : // Parameters : // Return Values : // --------------------------------------------------------------------------- /** * Archive_Zip::_list() * * { Description } * */ function _list(&$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 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 $this->_errorLog(ARCHIVE_ZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size'); // ----- Return return Archive_Zip::errorCode(); } // ----- Read each entry for ($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 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. // $p_info['status'] = status of the action on the file. // Parameters : // Return Values : // --------------------------------------------------------------------------- /** * Archive_Zip::_convertHeader2FileInfo() * * { Description } * */ function _convertHeader2FileInfo($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 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 $p_remove_path are commulative. // Return Values : // 1 on success,0 or less on error (see error code list) // --------------------------------------------------------------------------- /** * Archive_Zip::_extractByRule() * * { Description } * */ function _extractByRule(&$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; ($j strlen($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])) { $v_extract = true; } } // ----- Look for a filename elseif ($v_header['stored_filename'] == $p_params[ARCHIVE_ZIP_PARAM_BY_NAME][$j]) { $v_extract = true; } } } // ----- Look for extract by ereg rule else if ( (isset($p_params[ARCHIVE_ZIP_PARAM_BY_EREG])) && ($p_params[ARCHIVE_ZIP_PARAM_BY_EREG] != "")) { if (ereg($p_params[ARCHIVE_ZIP_PARAM_BY_EREG], $v_header['stored_filename'])) { $v_extract = true; } } // ----- Look for extract by preg rule else if ( (isset($p_params[ARCHIVE_ZIP_PARAM_BY_PREG])) && ($p_params[ARCHIVE_ZIP_PARAM_BY_PREG] != "")) { if (preg_match($p_params[ARCHIVE_ZIP_PARAM_BY_PREG], $v_header['stored_filename'])) { $v_extract = true; } } // ----- Look for extract by index rule else if ( (isset($p_params[ARCHIVE_ZIP_PARAM_BY_INDEX])) && ($p_params[ARCHIVE_ZIP_PARAM_BY_INDEX] != 0)) { // ----- Look if the index is in the list for ($j=$j_start; ($j=$p_params[ARCHIVE_ZIP_PARAM_BY_INDEX][$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; } } } // ----- Look for no rule, which means extract all the archive else { $v_extract = true; } // ----- Look for real extraction if ($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 $this->_errorLog(ARCHIVE_ZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size'); // ----- Return return Archive_Zip::errorCode(); } // ----- Look for extraction as string if ($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 return $v_result; } // --------------------------------------------------------------------------- // --------------------------------------------------------------------------- // Function : _extractFile() // Description : // Parameters : // Return Values : // --------------------------------------------------------------------------- /** * Archive_Zip::_extractFile() * * { Description } * */ function _extractFile(&$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 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']); } // ----- Look for path to remove else if ($p_remove_path != "") { //if (strcmp($p_remove_path, $p_entry['filename'])==0) if ($this->_tool_PathInclusion($p_remove_path, $p_entry['filename']) == 2) { // ----- Change the file status $p_entry['status'] = "filtered"; // ----- Return return $v_result; } $p_remove_path_size = strlen($p_remove_path); if (substr($p_entry['filename'], 0, $p_remove_path_size) == $p_remove_path) { // ----- Remove the path $p_entry['filename'] = substr($p_entry['filename'], $p_remove_path_size); } } // ----- Add the path if ($p_path != '') { $p_entry['filename'] = $p_path."/".$p_entry['filename']; } // ----- 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 //return $v_result; } // ----- Look if file is write protected else if (!is_writeable($p_entry['filename'])) { // ----- Change the file status $p_entry['status'] = "write_protected"; // ----- Return //return $v_result; } // ----- Look if the extracted file is older else if (filemtime($p_entry['filename']) > $p_entry['mtime']) { // ----- Change the file status $p_entry['status'] = "newer_exist"; // ----- Return //return $v_result; } } // ----- Check the directory availability and create it if necessary else { if ((($p_entry['external']&0x00000010)==0x00000010) || (substr($p_entry['filename'], -1) == '/')) $v_dir_to_check = $p_entry['filename']; else if (!strstr($p_entry['filename'], "/")) $v_dir_to_check = ""; else $v_dir_to_check = dirname($p_entry['filename']); if (($v_result = $this->_dirCheck($v_dir_to_check, (($p_entry['external']&0x00000010)==0x00000010))) != 1) { // ----- Change the file status $p_entry['status'] = "path_creation_fail"; // ----- Return //return $v_result; $v_result = 1; } } } // ----- Look if extraction should be done if ($p_entry['status'] == 'ok') { // ----- Do the extraction (if not a folder) if (!(($p_entry['external']&0x00000010)==0x00000010)) { // ----- Look for not compressed file if ($p_entry['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 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 return $v_result; } // --------------------------------------------------------------------------- // --------------------------------------------------------------------------- // Function : _extractFileAsString() // Description : // Parameters : // Return Values : // --------------------------------------------------------------------------- /** * Archive_Zip::_extractFileAsString() * * { Description } * */ function _extractFileAsString(&$p_entry, &$p_string) { $v_result=1; // ----- Read the file header $v_header = array(); if (($v_result = $this->_readFileHeader($v_header)) != 1) { // ----- Return 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 return $v_result; } // --------------------------------------------------------------------------- // --------------------------------------------------------------------------- // Function : _readFileHeader() // Description : // Parameters : // Return Values : // --------------------------------------------------------------------------- /** * Archive_Zip::_readFileHeader() * * { Description } * */ function _readFileHeader(&$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 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 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 return $v_result; } // --------------------------------------------------------------------------- // --------------------------------------------------------------------------- // Function : _readCentralFileHeader() // Description : // Parameters : // Return Values : // --------------------------------------------------------------------------- /** * Archive_Zip::_readCentralFileHeader() * * { Description } * */ function _readCentralFileHeader(&$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 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 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 return $v_result; } // --------------------------------------------------------------------------- // --------------------------------------------------------------------------- // Function : _readEndCentralDir() // Description : // Parameters : // Return Values : // --------------------------------------------------------------------------- /** * Archive_Zip::_readEndCentralDir() * * { Description } * */ function _readEndCentralDir(&$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 return $v_result; } // --------------------------------------------------------------------------- // --------------------------------------------------------------------------- // Function : _deleteByRule() // Description : // Parameters : // Return Values : // --------------------------------------------------------------------------- /** * Archive_Zip::_deleteByRule() * * { Description } * */ function _deleteByRule(&$p_result_list, &$p_params) { $v_result=1; $v_list_detail = array(); // ----- Open the zip file if (($v_result=$this->_openFd('rb')) != 1) { // ----- Return 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; ($j strlen($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])) { $v_found = true; } } // ----- Look for a filename elseif ($v_header_list[$v_nb_extracted]['stored_filename'] == $p_params[ARCHIVE_ZIP_PARAM_BY_NAME][$j]) { $v_found = true; } } } // ----- Look for extract by ereg rule else if ( (isset($p_params[ARCHIVE_ZIP_PARAM_BY_EREG])) && ($p_params[ARCHIVE_ZIP_PARAM_BY_EREG] != "")) { if (ereg($p_params[ARCHIVE_ZIP_PARAM_BY_EREG], $v_header_list[$v_nb_extracted]['stored_filename'])) { $v_found = true; } } // ----- Look for extract by preg rule else if ( (isset($p_params[ARCHIVE_ZIP_PARAM_BY_PREG])) && ($p_params[ARCHIVE_ZIP_PARAM_BY_PREG] != "")) { if (preg_match($p_params[ARCHIVE_ZIP_PARAM_BY_PREG], $v_header_list[$v_nb_extracted]['stored_filename'])) { $v_found = true; } } // ----- Look for extract by index rule else if ( (isset($p_params[ARCHIVE_ZIP_PARAM_BY_INDEX])) && ($p_params[ARCHIVE_ZIP_PARAM_BY_INDEX] != 0)) { // ----- Look if the index is in the list for ($j=$j_start; ($j=$p_params[ARCHIVE_ZIP_PARAM_BY_INDEX][$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 return $v_result; } // ----- Look which file need to be kept for ($i=0; $i_zip_fd); if (@fseek($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; $i_writeCentralFileHeader($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 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] $p_is_dir */ function _dirCheck($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 return $v_result; } // --------------------------------------------------------------------------- // --------------------------------------------------------------------------- // Function : _merge() // Description : // If $p_archive_to_add does not exist, the function exit with a success result. // Parameters : // Return Values : // --------------------------------------------------------------------------- /** * Archive_Zip::_merge() * * { Description } * */ function _merge(&$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 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 return $v_result; } // --------------------------------------------------------------------------- // --------------------------------------------------------------------------- // Function : _duplicate() // Description : // Parameters : // Return Values : // --------------------------------------------------------------------------- /** * Archive_Zip::_duplicate() * * { Description } * */ function _duplicate($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 return $v_result; } // ----- Open the zip file if (($v_result=$this->_openFd('wb')) != 1) { // ----- Return return $v_result; } // ----- Open the temporary file in write mode if (($v_zip_temp_fd = @fopen($p_archive_filename, 'rb')) == 0) { $this->_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 $p_error_string */ function _check_parameters(&$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; $i_errorLog(ARCHIVE_ZIP_ERR_INVALID_PARAM_VALUE, "Callback '".$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 * @param string $p_error_string */ function _errorLog($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 } * */ function _errorReset() { $this->_error_code = 1; $this->_error_string = ''; } // --------------------------------------------------------------------------- // --------------------------------------------------------------------------- // Function : $this->_tool_PathReduction() // Description : // Parameters : // Return Values : // --------------------------------------------------------------------------- /** * _tool_PathReduction() * * { Description } * */ function _tool_PathReduction($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 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 $p_dir // --------------------------------------------------------------------------- /** * _tool_PathInclusion() * * { Description } * */ function _tool_PathInclusion($p_dir, $p_path) { $v_result = 1; // ----- Explode dir and path by directory separator $v_list_dir = explode("/", $p_dir); $v_list_dir_size = sizeof($v_list_dir); $v_list_path = explode("/", $p_path); $v_list_path_size = sizeof($v_list_path); // ----- Study directories paths $i = 0; $j = 0; while (($i < $v_list_dir_size) && ($j < $v_list_path_size) && ($v_result)) { // ----- Look for empty dir (path reduction) if ($v_list_dir[$i] == '') { $i++; continue; } if ($v_list_path[$j] == '') { $j++; continue; } // ----- Compare the items if ( ($v_list_dir[$i] != $v_list_path[$j]) && ($v_list_dir[$i] != '') && ( $v_list_path[$j] != '')) { $v_result = 0; } // ----- Next items $i++; $j++; } // ----- Look if everything seems to be the same if ($v_result) { // ----- Skip all the empty items while (($j < $v_list_path_size) && ($v_list_path[$j] == '')) $j++; while (($i < $v_list_dir_size) && ($v_list_dir[$i] == '')) $i++; if (($i >= $v_list_dir_size) && ($j >= $v_list_path_size)) { // ----- There are exactly the same $v_result = 2; } else if ($i < $v_list_dir_size) { // ----- The path is shorter than the dir $v_result = 0; } } // ----- Return return $v_result; } // --------------------------------------------------------------------------- // --------------------------------------------------------------------------- // Function : $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 $p_mode */ function _tool_CopyBlock($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 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 // $p_dest : New filename // Return Values : // 1 on success, 0 on failure. // --------------------------------------------------------------------------- /** * _tool_Rename() * * { Description } * */ function _tool_Rename($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 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] $p_remove_disk_letter */ function _tool_TranslateWinPath($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; } // --------------------------------------------------------------------------- } // End of class ?> EOF; ?>
"; ?>
EOF; ?>