pacKman/inc/lib.packman.filezip.php
2021-08-16 22:48:26 +02:00

124 lines
3.2 KiB
PHP

<?php
# -- BEGIN LICENSE BLOCK ----------------------------------
#
# This file is part of pacKman, a plugin for Dotclear 2.
#
# Copyright (c) 2009-2013 Jean-Christian Denis and contributors
# contact@jcdenis.fr http://jcd.lv
#
# Licensed under the GPL version 2.0 license.
# A copy of this license is available in LICENSE file or at
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
#
# -- END LICENSE BLOCK ------------------------------------
class packmanFileZip extends fileZip
{
protected function writeFile($name,$file,$size,$mtime)
{
if (!isset($this->entries[$name])) {
return;
}
$size = filesize($file);
$this->memoryAllocate($size*3);
$content = file_get_contents($file);
//cleanup file contents
// at this time only php files
if (substr($file,-4) == '.php') {
$content = self::removePHPComment($content);
}
$unc_len = strlen($content);
$crc = crc32($content);
$zdata = gzdeflate($content);
$c_len = strlen($zdata);
unset($content);
$mdate = $this->makeDate($mtime);
$mtime = $this->makeTime($mtime);
# Data descriptor
$data_desc =
"\x50\x4b\x03\x04".
"\x14\x00". # ver needed to extract
"\x00\x00". # gen purpose bit flag
"\x08\x00". # compression method
pack('v',$mtime). # last mod time
pack('v',$mdate). # last mod date
pack('V',$crc). # crc32
pack('V',$c_len). # compressed filesize
pack('V',$unc_len). # uncompressed filesize
pack('v',strlen($name)). # length of filename
pack('v',0). # extra field length
$name. # end of "local file header" segment
$zdata. # "file data" segment
pack('V',$crc). # crc32
pack('V',$c_len). # compressed filesize
pack('V',$unc_len); # uncompressed filesize
fwrite($this->fp,$data_desc);
unset($zdata);
$new_offset = $this->old_offset + strlen($data_desc);
# Add to central directory record
$cdrec =
"\x50\x4b\x01\x02".
"\x00\x00". # version made by
"\x14\x00". # version needed to extract
"\x00\x00". # gen purpose bit flag
"\x08\x00". # compression method
pack('v',$mtime). # last mod time
pack('v',$mdate). # last mod date
pack('V',$crc). # crc32
pack('V',$c_len). # compressed filesize
pack('V',$unc_len). # uncompressed filesize
pack('v',strlen($name)). # length of filename
pack('v',0). # extra field length
pack('v',0). # file comment length
pack('v',0). # disk number start
pack('v',0). # internal file attributes
pack('V',32). # external file attributes - 'archive' bit set
pack('V',$this->old_offset). # relative offset of local header
$name;
$this->old_offset = $new_offset;
$this->ctrl_dir[] = $cdrec;
}
protected static function removePHPComment($content)
{
$comment = array(T_COMMENT);
if (defined('T_DOC_COMMENT')) {
$comment[] = T_DOC_COMMENT; // PHP 5
}
if (defined('T_ML_COMMENT')) {
$comment[] = T_ML_COMMENT; // PHP 4
}
$newStr = '';
$tokens = token_get_all($content);
foreach ($tokens as $token)
{
if (is_array($token))
{
if (in_array($token[0],$comment)) {
//$newStr .= "\n";
}
else {
$newStr .= $token[1];
}
}
else {
$newStr .= $token;
}
}
return $newStr;
}
}
?>