diff options
Diffstat (limited to 'admin/include/pclzip.lib.php')
| -rw-r--r-- | admin/include/pclzip.lib.php | 519 |
1 files changed, 411 insertions, 108 deletions
diff --git a/admin/include/pclzip.lib.php b/admin/include/pclzip.lib.php index 5acca70bd..8ad270c5d 100644 --- a/admin/include/pclzip.lib.php +++ b/admin/include/pclzip.lib.php @@ -1,6 +1,6 @@ <?php // -------------------------------------------------------------------------------- -// PhpConcept Library - Zip Module 2.6 +// PhpConcept Library - Zip Module 2.8 // -------------------------------------------------------------------------------- // License GNU/LGPL - Vincent Blavet - March 2006 // http://www.phpconcept.net @@ -39,8 +39,12 @@ if (!defined('PCLZIP_TEMPORARY_DIR')) { define( 'PCLZIP_TEMPORARY_DIR', '' ); } +if (!defined('PCLZIP_TEMPORARY_FILE_RATIO')) { + define( 'PCLZIP_TEMPORARY_FILE_RATIO', 0.47 ); +} + -$g_pclzip_version = "2.6"; +$g_pclzip_version = "2.8"; define( 'PCLZIP_ERR_USER_ABORTED', 2 ); define( 'PCLZIP_ERR_NO_ERROR', 0 ); @@ -84,6 +88,9 @@ define( 'PCLZIP_OPT_EXTRACT_IN_OUTPUT', 77015 ); define( 'PCLZIP_OPT_REPLACE_NEWER', 77016 ); define( 'PCLZIP_OPT_STOP_ON_ERROR', 77017 ); define( 'PCLZIP_OPT_EXTRACT_DIR_RESTRICTION', 77019 ); +define( 'PCLZIP_OPT_TEMP_FILE_THRESHOLD', 77020 ); +define( 'PCLZIP_OPT_TEMP_FILE_ON', 77021 ); +define( 'PCLZIP_OPT_TEMP_FILE_OFF', 77022 ); define( 'PCLZIP_ATT_FILE_NAME', 79001 ); define( 'PCLZIP_ATT_FILE_NEW_SHORT_NAME', 79002 ); @@ -96,7 +103,12 @@ define( 'PCLZIP_CB_PRE_EXTRACT', 78001 ); define( 'PCLZIP_CB_POST_EXTRACT', 78002 ); define( 'PCLZIP_CB_PRE_ADD', 78003 ); define( 'PCLZIP_CB_POST_ADD', 78004 ); - +/* For futur use +define( 'PCLZIP_CB_PRE_LIST', 78005 ); +define( 'PCLZIP_CB_POST_LIST', 78006 ); +define( 'PCLZIP_CB_PRE_DELETE', 78007 ); +define( 'PCLZIP_CB_POST_DELETE', 78008 ); +*/ class PclZip { @@ -150,7 +162,10 @@ function create($p_filelist) PCLZIP_CB_PRE_ADD => 'optional', PCLZIP_CB_POST_ADD => 'optional', PCLZIP_OPT_NO_COMPRESSION => 'optional', - PCLZIP_OPT_COMMENT => 'optional' + PCLZIP_OPT_COMMENT => 'optional', + PCLZIP_OPT_TEMP_FILE_THRESHOLD => 'optional', + PCLZIP_OPT_TEMP_FILE_ON => 'optional', + PCLZIP_OPT_TEMP_FILE_OFF => 'optional' )); if ($v_result != 1) { return 0; @@ -171,6 +186,8 @@ function create($p_filelist) } } } + + $this->privOptionDefaultThreshold($v_options); $v_string_list = array(); $v_att_list = array(); @@ -266,7 +283,10 @@ function add($p_filelist) PCLZIP_OPT_NO_COMPRESSION => 'optional', PCLZIP_OPT_COMMENT => 'optional', PCLZIP_OPT_ADD_COMMENT => 'optional', - PCLZIP_OPT_PREPEND_COMMENT => 'optional' + PCLZIP_OPT_PREPEND_COMMENT => 'optional', + PCLZIP_OPT_TEMP_FILE_THRESHOLD => 'optional', + PCLZIP_OPT_TEMP_FILE_ON => 'optional', + PCLZIP_OPT_TEMP_FILE_OFF => 'optional' )); if ($v_result != 1) { return 0; @@ -288,6 +308,8 @@ function add($p_filelist) } } + $this->privOptionDefaultThreshold($v_options); + $v_string_list = array(); $v_att_list = array(); $v_filedescr_list = array(); @@ -410,7 +432,10 @@ function extract() PCLZIP_OPT_EXTRACT_IN_OUTPUT => 'optional', PCLZIP_OPT_REPLACE_NEWER => 'optional' ,PCLZIP_OPT_STOP_ON_ERROR => 'optional' - ,PCLZIP_OPT_EXTRACT_DIR_RESTRICTION => 'optional' + ,PCLZIP_OPT_EXTRACT_DIR_RESTRICTION => 'optional', + PCLZIP_OPT_TEMP_FILE_THRESHOLD => 'optional', + PCLZIP_OPT_TEMP_FILE_ON => 'optional', + PCLZIP_OPT_TEMP_FILE_OFF => 'optional' )); if ($v_result != 1) { return 0; @@ -448,6 +473,8 @@ function extract() } } + $this->privOptionDefaultThreshold($v_options); + $p_list = array(); $v_result = $this->privExtractByRule($p_list, $v_path, $v_remove_path, @@ -499,7 +526,10 @@ function extractByIndex($p_index) PCLZIP_OPT_SET_CHMOD => 'optional', PCLZIP_OPT_REPLACE_NEWER => 'optional' ,PCLZIP_OPT_STOP_ON_ERROR => 'optional' - ,PCLZIP_OPT_EXTRACT_DIR_RESTRICTION => 'optional' + ,PCLZIP_OPT_EXTRACT_DIR_RESTRICTION => 'optional', + PCLZIP_OPT_TEMP_FILE_THRESHOLD => 'optional', + PCLZIP_OPT_TEMP_FILE_ON => 'optional', + PCLZIP_OPT_TEMP_FILE_OFF => 'optional' )); if ($v_result != 1) { return 0; @@ -552,6 +582,8 @@ function extractByIndex($p_index) } $v_options[PCLZIP_OPT_BY_INDEX] = $v_options_trick[PCLZIP_OPT_BY_INDEX]; + $this->privOptionDefaultThreshold($v_options); + if (($v_result = $this->privExtractByRule($p_list, $v_path, $v_remove_path, $v_remove_all_path, $v_options)) < 1) { return(0); } @@ -796,7 +828,7 @@ function privCheckFormat($p_level=0) { $v_result = true; - clearstatcache(); + clearstatcache(); $this->privErrorReset(); @@ -843,6 +875,49 @@ function privParseOptions(&$p_options_list, $p_size, &$v_result_list, $v_request $i++; break; + case PCLZIP_OPT_TEMP_FILE_THRESHOLD : + if (($i+1) >= $p_size) { + PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'"); + return PclZip::errorCode(); + } + + if (isset($v_result_list[PCLZIP_OPT_TEMP_FILE_OFF])) { + PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Option '".PclZipUtilOptionText($p_options_list[$i])."' can not be used with option 'PCLZIP_OPT_TEMP_FILE_OFF'"); + return PclZip::errorCode(); + } + + $v_value = $p_options_list[$i+1]; + if ((!is_integer($v_value)) || ($v_value<0)) { + PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Integer expected for option '".PclZipUtilOptionText($p_options_list[$i])."'"); + return PclZip::errorCode(); + } + + $v_result_list[$p_options_list[$i]] = $v_value*1048576; + $i++; + break; + + case PCLZIP_OPT_TEMP_FILE_ON : + if (isset($v_result_list[PCLZIP_OPT_TEMP_FILE_OFF])) { + PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Option '".PclZipUtilOptionText($p_options_list[$i])."' can not be used with option 'PCLZIP_OPT_TEMP_FILE_OFF'"); + return PclZip::errorCode(); + } + + $v_result_list[$p_options_list[$i]] = true; + break; + + case PCLZIP_OPT_TEMP_FILE_OFF : + if (isset($v_result_list[PCLZIP_OPT_TEMP_FILE_ON])) { + PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Option '".PclZipUtilOptionText($p_options_list[$i])."' can not be used with option 'PCLZIP_OPT_TEMP_FILE_ON'"); + return PclZip::errorCode(); + } + if (isset($v_result_list[PCLZIP_OPT_TEMP_FILE_THRESHOLD])) { + PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Option '".PclZipUtilOptionText($p_options_list[$i])."' can not be used with option 'PCLZIP_OPT_TEMP_FILE_THRESHOLD'"); + return PclZip::errorCode(); + } + + $v_result_list[$p_options_list[$i]] = true; + break; + case PCLZIP_OPT_EXTRACT_DIR_RESTRICTION : if (($i+1) >= $p_size) { PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'"); @@ -1013,7 +1088,12 @@ function privParseOptions(&$p_options_list, $p_size, &$v_result_list, $v_request case PCLZIP_CB_POST_EXTRACT : case PCLZIP_CB_PRE_ADD : case PCLZIP_CB_POST_ADD : - + /* for futur use + case PCLZIP_CB_PRE_DELETE : + case PCLZIP_CB_POST_DELETE : + case PCLZIP_CB_PRE_LIST : + case PCLZIP_CB_POST_LIST : + */ if (($i+1) >= $p_size) { PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'"); @@ -1054,7 +1134,41 @@ function privParseOptions(&$p_options_list, $p_size, &$v_result_list, $v_request } } } + + if (!isset($v_result_list[PCLZIP_OPT_TEMP_FILE_THRESHOLD])) { + + } + + return $v_result; +} + +function privOptionDefaultThreshold(&$p_options) +{ + $v_result=1; + + if (isset($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD]) + || isset($p_options[PCLZIP_OPT_TEMP_FILE_OFF])) { + return $v_result; + } + + $v_memory_limit = ini_get('memory_limit'); + $v_memory_limit = trim($v_memory_limit); + $last = strtolower(substr($v_memory_limit, -1)); + + if($last == 'g') + $v_memory_limit = $v_memory_limit*1073741824; + if($last == 'm') + $v_memory_limit = $v_memory_limit*1048576; + if($last == 'k') + $v_memory_limit = $v_memory_limit*1024; + + $p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] = floor($v_memory_limit*PCLZIP_TEMPORARY_FILE_RATIO); + + if ($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] < 1048576) { + unset($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD]); + } + return $v_result; } @@ -1169,7 +1283,7 @@ function privFileDescrExpand(&$p_filedescr_list, &$p_options) $v_descr = $p_filedescr_list[$i]; - $v_descr['filename'] = PclZipUtilTranslateWinPath($v_descr['filename']); + $v_descr['filename'] = PclZipUtilTranslateWinPath($v_descr['filename'], false); $v_descr['filename'] = PclZipUtilPathReduction($v_descr['filename']); if (file_exists($v_descr['filename'])) { @@ -1192,7 +1306,7 @@ function privFileDescrExpand(&$p_filedescr_list, &$p_options) } else { - PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE, "File '".$v_descr['filename']."' does not exists"); + PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE, "File '".$v_descr['filename']."' does not exist"); return PclZip::errorCode(); } @@ -1494,7 +1608,7 @@ function privAddFileList($p_filedescr_list, &$p_result_list, &$p_options) if ( ($p_filedescr_list[$j]['type'] != 'virtual_file') && (!file_exists($p_filedescr_list[$j]['filename']))) { - PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE, "File '".$p_filedescr_list[$j]['filename']."' does not exists"); + PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE, "File '".$p_filedescr_list[$j]['filename']."' does not exist"); return PclZip::errorCode(); } @@ -1530,7 +1644,14 @@ function privAddFile($p_filedescr, &$p_header, &$p_options) return PclZip::errorCode(); } - + /* TBC : Removed + if (isset($p_filedescr['stored_filename'])) { + $v_stored_filename = $p_filedescr['stored_filename']; + } + else { + $v_stored_filename = $p_filedescr['stored_filename']; + } + */ clearstatcache(); $p_header['version'] = 20; @@ -1571,7 +1692,7 @@ function privAddFile($p_filedescr, &$p_header, &$p_options) $p_header['mtime'] = $p_filedescr['mtime']; } else if ($p_filedescr['type'] == 'virtual_file') { - $p_header['mtime'] = mktime(); + $p_header['mtime'] = time(); } else { $p_header['mtime'] = filemtime($p_filename); @@ -1612,24 +1733,57 @@ function privAddFile($p_filedescr, &$p_header, &$p_options) if ($p_header['status'] == 'ok') { - if ( ($p_filedescr['type'] == 'file') - || ($p_filedescr['type'] == 'virtual_file')) { - - if ($p_filedescr['type'] == 'file') { - - if (($v_file = @fopen($p_filename, "rb")) == 0) { - PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, "Unable to open file '$p_filename' in binary read mode"); - return PclZip::errorCode(); + if ($p_filedescr['type'] == 'file') { + if ( (!isset($p_options[PCLZIP_OPT_TEMP_FILE_OFF])) + && (isset($p_options[PCLZIP_OPT_TEMP_FILE_ON]) + || (isset($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD]) + && ($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] <= $p_header['size'])) ) ) { + $v_result = $this->privAddFileUsingTempFile($p_filedescr, $p_header, $p_options); + if ($v_result < PCLZIP_ERR_NO_ERROR) { + return $v_result; } + } + + else { - $v_content = @fread($v_file, $p_header['size']); + if (($v_file = @fopen($p_filename, "rb")) == 0) { + PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, "Unable to open file '$p_filename' in binary read mode"); + return PclZip::errorCode(); + } + + $v_content = @fread($v_file, $p_header['size']); + + @fclose($v_file); + + $p_header['crc'] = @crc32($v_content); + + if ($p_options[PCLZIP_OPT_NO_COMPRESSION]) { + $p_header['compressed_size'] = $p_header['size']; + $p_header['compression'] = 0; + } + + else { + $v_content = @gzdeflate($v_content); + $p_header['compressed_size'] = strlen($v_content); + $p_header['compression'] = 8; + } + + if (($v_result = $this->privWriteFileHeader($p_header)) != 1) { @fclose($v_file); + return $v_result; } - else if ($p_filedescr['type'] == 'virtual_file') { - $v_content = $p_filedescr['content']; + + @fwrite($this->zip_fd, $v_content, $p_header['compressed_size']); + } + } + + else if ($p_filedescr['type'] == 'virtual_file') { + + $v_content = $p_filedescr['content']; + $p_header['crc'] = @crc32($v_content); if ($p_options[PCLZIP_OPT_NO_COMPRESSION]) { @@ -1644,8 +1798,6 @@ function privAddFile($p_filedescr, &$p_header, &$p_options) $p_header['compression'] = 8; } - - if (($v_result = $this->privWriteFileHeader($p_header)) != 1) { @fclose($v_file); return $v_result; @@ -1660,7 +1812,7 @@ function privAddFile($p_filedescr, &$p_header, &$p_options) } $p_header['size'] = 0; - $p_header['external'] = 0x00000010; + if (($v_result = $this->privWriteFileHeader($p_header)) != 1) { return $v_result; @@ -1683,6 +1835,88 @@ function privAddFile($p_filedescr, &$p_header, &$p_options) return $v_result; } +function privAddFileUsingTempFile($p_filedescr, &$p_header, &$p_options) +{ + $v_result=PCLZIP_ERR_NO_ERROR; + + $p_filename = $p_filedescr['filename']; + + + if (($v_file = @fopen($p_filename, "rb")) == 0) { + PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, "Unable to open file '$p_filename' in binary read mode"); + return PclZip::errorCode(); + } + + $v_gzip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.gz'; + if (($v_file_compressed = @gzopen($v_gzip_temp_name, "wb")) == 0) { + fclose($v_file); + PclZip::privErrorLog(PCLZIP_ERR_WRITE_OPEN_FAIL, 'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary write mode'); + return PclZip::errorCode(); + } + + $v_size = filesize($p_filename); + while ($v_size != 0) { + $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE); + $v_buffer = @fread($v_file, $v_read_size); + @gzputs($v_file_compressed, $v_buffer, $v_read_size); + $v_size -= $v_read_size; + } + + @fclose($v_file); + @gzclose($v_file_compressed); + + if (filesize($v_gzip_temp_name) < 18) { + PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'gzip temporary file \''.$v_gzip_temp_name.'\' has invalid filesize - should be minimum 18 bytes'); + return PclZip::errorCode(); + } + + if (($v_file_compressed = @fopen($v_gzip_temp_name, "rb")) == 0) { + PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary read mode'); + return PclZip::errorCode(); + } + + $v_binary_data = @fread($v_file_compressed, 10); + $v_data_header = unpack('a1id1/a1id2/a1cm/a1flag/Vmtime/a1xfl/a1os', $v_binary_data); + + $v_data_header['os'] = bin2hex($v_data_header['os']); + + @fseek($v_file_compressed, filesize($v_gzip_temp_name)-8); + $v_binary_data = @fread($v_file_compressed, 8); + $v_data_footer = unpack('Vcrc/Vcompressed_size', $v_binary_data); + + $p_header['compression'] = ord($v_data_header['cm']); + $p_header['crc'] = $v_data_footer['crc']; + $p_header['compressed_size'] = filesize($v_gzip_temp_name)-18; + + @fclose($v_file_compressed); + + if (($v_result = $this->privWriteFileHeader($p_header)) != 1) { + return $v_result; + } + + if (($v_file_compressed = @fopen($v_gzip_temp_name, "rb")) == 0) + { + PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary read mode'); + return PclZip::errorCode(); + } + + fseek($v_file_compressed, 10); + $v_size = $p_header['compressed_size']; + while ($v_size != 0) + { + $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE); + $v_buffer = @fread($v_file_compressed, $v_read_size); + @fwrite($this->zip_fd, $v_buffer, $v_read_size); + $v_size -= $v_read_size; + } + + @fclose($v_file_compressed); + + @unlink($v_gzip_temp_name); + + return $v_result; +} + function privCalculateStoredFilename(&$p_filedescr, &$p_options) { $v_result=1; @@ -1708,7 +1942,7 @@ function privCalculateStoredFilename(&$p_filedescr, &$p_options) } if (isset($p_filedescr['new_full_name'])) { - $v_stored_filename = $p_filedescr['new_full_name']; + $v_stored_filename = PclZipUtilTranslateWinPath($p_filedescr['new_full_name']); } else { @@ -1757,6 +1991,9 @@ function privCalculateStoredFilename(&$p_filedescr, &$p_options) } } } + + $v_stored_filename = PclZipUtilTranslateWinPath($v_stored_filename); + if ($p_add_dir != "") { if (substr($p_add_dir, -1) == "/") $v_stored_filename = $p_add_dir.$v_stored_filename; @@ -1915,8 +2152,10 @@ function privConvertHeader2FileInfo($p_header, &$p_info) { $v_result=1; - $p_info['filename'] = $p_header['filename']; - $p_info['stored_filename'] = $p_header['stored_filename']; + $v_temp_path = PclZipUtilPathReduction($p_header['filename']); + $p_info['filename'] = $v_temp_path; + $v_temp_path = PclZipUtilPathReduction($p_header['stored_filename']); + $p_info['stored_filename'] = $v_temp_path; $p_info['size'] = $p_header['size']; $p_info['compressed_size'] = $p_header['compressed_size']; $p_info['mtime'] = $p_header['mtime']; @@ -2058,7 +2297,7 @@ function privExtractByRule(&$p_file_list, $p_path, $p_remove_path, $p_remove_all $v_extract = true; } - if ( ($v_extract) + if ( ($v_extract) && ( ($v_header['compression'] != 8) && ($v_header['compression'] != 0))) { $v_header['status'] = 'unsupported_compression'; @@ -2077,7 +2316,7 @@ function privExtractByRule(&$p_file_list, $p_path, $p_remove_path, $p_remove_all } } - if (($v_extract) && (($v_header['flag'] & 1) == 1)) { + if (($v_extract) && (($v_header['flag'] & 1) == 1)) { $v_header['status'] = 'unsupported_encryption'; if ( (isset($p_options[PCLZIP_OPT_STOP_ON_ERROR])) @@ -2296,7 +2535,7 @@ function privExtractFile(&$p_entry, $p_path, $p_remove_path, $p_remove_all_path, ."already used by an existing directory"); return PclZip::errorCode(); - } + } } else if (!is_writeable($p_entry['filename'])) { @@ -2311,15 +2550,15 @@ function privExtractFile(&$p_entry, $p_path, $p_remove_path, $p_remove_all_path, ."and is write protected"); return PclZip::errorCode(); - } + } } else if (filemtime($p_entry['filename']) > $p_entry['mtime']) { if ( (isset($p_options[PCLZIP_OPT_REPLACE_NEWER])) && ($p_options[PCLZIP_OPT_REPLACE_NEWER]===true)) { - } - else { + } + else { $p_entry['status'] = "newer_exist"; if ( (isset($p_options[PCLZIP_OPT_STOP_ON_ERROR])) @@ -2330,8 +2569,8 @@ function privExtractFile(&$p_entry, $p_path, $p_remove_path, $p_remove_all_path, ."and option PCLZIP_OPT_REPLACE_NEWER is not selected"); return PclZip::errorCode(); + } } - } } else { } @@ -2345,14 +2584,14 @@ function privExtractFile(&$p_entry, $p_path, $p_remove_path, $p_remove_all_path, else $v_dir_to_check = dirname($p_entry['filename']); - if (($v_result = $this->privDirCheck($v_dir_to_check, (($p_entry['external']&0x00000010)==0x00000010))) != 1) { + if (($v_result = $this->privDirCheck($v_dir_to_check, (($p_entry['external']&0x00000010)==0x00000010))) != 1) { - $p_entry['status'] = "path_creation_fail"; + $p_entry['status'] = "path_creation_fail"; - $v_result = 1; + $v_result = 1; + } } } - } if ($p_entry['status'] == 'ok') { @@ -2360,7 +2599,7 @@ function privExtractFile(&$p_entry, $p_path, $p_remove_path, $p_remove_all_path, { if ($p_entry['compression'] == 0) { - if (($v_dest_file = @fopen($p_entry['filename'], 'wb')) == 0) + if (($v_dest_file = @fopen($p_entry['filename'], 'wb')) == 0) { $p_entry['status'] = "write_error"; @@ -2374,7 +2613,10 @@ function privExtractFile(&$p_entry, $p_path, $p_remove_path, $p_remove_all_path, { $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE); $v_buffer = @fread($this->zip_fd, $v_read_size); - + /* Try to speed up the code + $v_binary_data = pack('a'.$v_read_size, $v_buffer); + @fwrite($v_dest_file, $v_binary_data, $v_read_size); + */ @fwrite($v_dest_file, $v_buffer, $v_read_size); $v_size -= $v_read_size; } @@ -2387,32 +2629,48 @@ function privExtractFile(&$p_entry, $p_path, $p_remove_path, $p_remove_all_path, } else { if (($p_entry['flag'] & 1) == 1) { + PclZip::privErrorLog(PCLZIP_ERR_UNSUPPORTED_ENCRYPTION, 'File \''.$p_entry['filename'].'\' is encrypted. Encrypted files are not supported.'); + return PclZip::errorCode(); + } + + if ( (!isset($p_options[PCLZIP_OPT_TEMP_FILE_OFF])) + && (isset($p_options[PCLZIP_OPT_TEMP_FILE_ON]) + || (isset($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD]) + && ($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] <= $p_entry['size'])) ) ) { + $v_result = $this->privExtractFileUsingTempFile($p_entry, $p_options); + if ($v_result < PCLZIP_ERR_NO_ERROR) { + return $v_result; + } } + else { - $v_buffer = @fread($this->zip_fd, $p_entry['compressed_size']); - } + - $v_file_content = @gzinflate($v_buffer); - unset($v_buffer); - if ($v_file_content === FALSE) { + $v_buffer = @fread($this->zip_fd, $p_entry['compressed_size']); + + $v_file_content = @gzinflate($v_buffer); + unset($v_buffer); + if ($v_file_content === FALSE) { - $p_entry['status'] = "error"; + $p_entry['status'] = "error"; + + return $v_result; + } - return $v_result; - } - - if (($v_dest_file = @fopen($p_entry['filename'], 'wb')) == 0) { + if (($v_dest_file = @fopen($p_entry['filename'], 'wb')) == 0) { - $p_entry['status'] = "write_error"; + $p_entry['status'] = "write_error"; - return $v_result; - } + return $v_result; + } - @fwrite($v_dest_file, $v_file_content, $p_entry['size']); - unset($v_file_content); + @fwrite($v_dest_file, $v_file_content, $p_entry['size']); + unset($v_file_content); - @fclose($v_dest_file); + @fclose($v_dest_file); + + } @touch($p_entry['filename'], $p_entry['mtime']); } @@ -2425,7 +2683,7 @@ function privExtractFile(&$p_entry, $p_path, $p_remove_path, $p_remove_all_path, } } - if ($p_entry['status'] == "aborted") { +if ($p_entry['status'] == "aborted") { $p_entry['status'] = "skipped"; } @@ -2444,6 +2702,63 @@ function privExtractFile(&$p_entry, $p_path, $p_remove_path, $p_remove_all_path, return $v_result; } +function privExtractFileUsingTempFile(&$p_entry, &$p_options) +{ + $v_result=1; + + $v_gzip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.gz'; + if (($v_dest_file = @fopen($v_gzip_temp_name, "wb")) == 0) { + fclose($v_file); + PclZip::privErrorLog(PCLZIP_ERR_WRITE_OPEN_FAIL, 'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary write mode'); + return PclZip::errorCode(); + } + + + $v_binary_data = pack('va1a1Va1a1', 0x8b1f, Chr($p_entry['compression']), Chr(0x00), time(), Chr(0x00), Chr(3)); + @fwrite($v_dest_file, $v_binary_data, 10); + + $v_size = $p_entry['compressed_size']; + while ($v_size != 0) + { + $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE); + $v_buffer = @fread($this->zip_fd, $v_read_size); + @fwrite($v_dest_file, $v_buffer, $v_read_size); + $v_size -= $v_read_size; + } + + $v_binary_data = pack('VV', $p_entry['crc'], $p_entry['size']); + @fwrite($v_dest_file, $v_binary_data, 8); + + @fclose($v_dest_file); + + if (($v_dest_file = @fopen($p_entry['filename'], 'wb')) == 0) { + $p_entry['status'] = "write_error"; + return $v_result; + } + + if (($v_src_file = @gzopen($v_gzip_temp_name, 'rb')) == 0) { + @fclose($v_dest_file); + $p_entry['status'] = "read_error"; + PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary read mode'); + return PclZip::errorCode(); + } + + + $v_size = $p_entry['size']; + while ($v_size != 0) { + $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE); + $v_buffer = @gzread($v_src_file, $v_read_size); + @fwrite($v_dest_file, $v_buffer, $v_read_size); + $v_size -= $v_read_size; + } + @fclose($v_dest_file); + @gzclose($v_src_file); + + @unlink($v_gzip_temp_name); + + return $v_result; +} + function privExtractFileInOutput(&$p_entry, &$p_options) { $v_result=1; @@ -2499,7 +2814,7 @@ function privExtractFileInOutput(&$p_entry, &$p_options) } } - if ($p_entry['status'] == "aborted") { +if ($p_entry['status'] == "aborted") { $p_entry['status'] = "skipped"; } @@ -2612,7 +2927,7 @@ function privReadFileHeader(&$p_header) $v_month = ($p_header['mdate'] & 0x01E0) >> 5; $v_day = $p_header['mdate'] & 0x001F; - $p_header['mtime'] = mktime($v_hour, $v_minute, $v_seconde, $v_month, $v_day, $v_year); + $p_header['mtime'] = @mktime($v_hour, $v_minute, $v_seconde, $v_month, $v_day, $v_year); } else @@ -2707,24 +3022,24 @@ function privCheckFileHeaders(&$p_local_header, &$p_central_header) { $v_result=1; - if ($p_local_header['filename'] != $p_central_header['filename']) { -} -if ($p_local_header['version_extracted'] != $p_central_header['version_extracted']) { -} -if ($p_local_header['flag'] != $p_central_header['flag']) { -} -if ($p_local_header['compression'] != $p_central_header['compression']) { -} -if ($p_local_header['mtime'] != $p_central_header['mtime']) { -} -if ($p_local_header['filename_len'] != $p_central_header['filename_len']) { -} + if ($p_local_header['filename'] != $p_central_header['filename']) { + } + if ($p_local_header['version_extracted'] != $p_central_header['version_extracted']) { + } + if ($p_local_header['flag'] != $p_central_header['flag']) { + } + if ($p_local_header['compression'] != $p_central_header['compression']) { + } + if ($p_local_header['mtime'] != $p_central_header['mtime']) { + } + if ($p_local_header['filename_len'] != $p_central_header['filename_len']) { + } if (($p_local_header['flag'] & 8) == 8) { - $p_local_header['size'] = $p_central_header['size']; - $p_local_header['compressed_size'] = $p_central_header['compressed_size']; - $p_local_header['crc'] = $p_central_header['crc']; -} + $p_local_header['size'] = $p_central_header['size']; + $p_local_header['compressed_size'] = $p_central_header['compressed_size']; + $p_local_header['crc'] = $p_central_header['crc']; + } return $v_result; } @@ -2763,7 +3078,7 @@ function privReadEndCentralDir(&$p_central_dir) } if (!$v_found) { - $v_maximum_size = 65557; if ($v_maximum_size > $v_size) + if ($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-$v_maximum_size)) @@ -2813,7 +3128,7 @@ function privReadEndCentralDir(&$p_central_dir) if (($v_pos + $v_data['comment_size'] + 18) != $v_size) { - if (0) { + if (0) { PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'The central dir is not at the end of the archive.' .' Some trailing bytes exists after the archive.'); @@ -2898,7 +3213,7 @@ function privDeleteByRule(&$p_result_list, &$p_options) && (substr($v_header_list[$v_nb_extracted]['stored_filename'], 0, strlen($p_options[PCLZIP_OPT_BY_NAME][$j])) == $p_options[PCLZIP_OPT_BY_NAME][$j])) { $v_found = true; } - elseif ( (($v_header_list[$v_nb_extracted]['external']&0x00000010)==0x00000010) + elseif ( (($v_header_list[$v_nb_extracted]['external']&0x00000010)==0x00000010) /* Indicates a folder */ && ($v_header_list[$v_nb_extracted]['stored_filename'].'/' == $p_options[PCLZIP_OPT_BY_NAME][$j])) { $v_found = true; } @@ -3310,18 +3625,6 @@ function privErrorReset() } } -function privDecrypt($p_encryption_header, &$p_buffer, $p_size, $p_crc) -{ - $v_result=1; - - $v_pwd = "test"; - - $p_buffer = PclZipUtilZipDecrypt($p_buffer, $p_size, $p_encryption_header, - $p_crc, $v_pwd); - - return $v_result; -} - function privDisableMagicQuotes() { $v_result=1; @@ -3335,9 +3638,9 @@ function privDisableMagicQuotes() return $v_result; } - $this->magic_quotes_status = @get_magic_quotes_runtime(); +$this->magic_quotes_status = @get_magic_quotes_runtime(); - if ($this->magic_quotes_status == 1) { +if ($this->magic_quotes_status == 1) { @set_magic_quotes_runtime(0); } @@ -3357,7 +3660,7 @@ function privSwapBackMagicQuotes() return $v_result; } - if ($this->magic_quotes_status == 1) { +if ($this->magic_quotes_status == 1) { @set_magic_quotes_runtime($this->magic_quotes_status); } @@ -3381,21 +3684,21 @@ function PclZipUtilPathReduction($p_dir) $v_skip++; } else if ($v_list[$i] == "") { - if ($i == 0) { + if ($i == 0) { $v_result = "/".$v_result; if ($v_skip > 0) { - $v_result = $p_dir; + $v_result = $p_dir; $v_skip = 0; } } - else if ($i == (sizeof($v_list)-1)) { + else if ($i == (sizeof($v_list)-1)) { $v_result = $v_list[$i]; } - else { + else { } } else { - if ($v_skip > 0) { + if ($v_skip > 0) { $v_skip--; } else { @@ -3539,12 +3842,12 @@ function PclZipUtilOptionText($p_option) $v_list = get_defined_constants(); for (reset($v_list); $v_key = key($v_list); next($v_list)) { - $v_prefix = substr($v_key, 0, 10); - if (( ($v_prefix == 'PCLZIP_OPT') - || ($v_prefix == 'PCLZIP_CB_') - || ($v_prefix == 'PCLZIP_ATT')) - && ($v_list[$v_key] == $p_option)) { - return $v_key; + $v_prefix = substr($v_key, 0, 10); + if (( ($v_prefix == 'PCLZIP_OPT') + || ($v_prefix == 'PCLZIP_CB_') + || ($v_prefix == 'PCLZIP_ATT')) + && ($v_list[$v_key] == $p_option)) { + return $v_key; } } |