Files
luos/workflow/engine/classes/Zip_File.php
2017-08-11 11:10:27 -04:00

114 lines
5.5 KiB
PHP

<?php
/*--------------------------------------------------
* TAR/GZIP/BZIP2/ZIP ARCHIVE CLASSES 2.1
* By Devin Doucette
* Copyright (c) 2005 Devin Doucette
* Email: darksnoopy@shaw.ca
*--------------------------------------------------
* Email bugs/suggestions to darksnoopy@shaw.ca
*--------------------------------------------------
* This script has been created and released under
* the GNU GPL and is free to use and redistribute
* only if this copyright statement is not removed
*--------------------------------------------------*/
/**
*
* @package workflow.engine.classes
*/
/**
* This class is derived from the class archive, is imployed to use files .
* zip
*
* @package workflow.engine.classes
*/class zip_file extends archive
{
public function zip_file ($name)
{
$this->archive( $name );
$this->options['type'] = "zip";
}
/**
* This function is used to create archives .
* zip
*
* @return boolean
*/
public function create_zip ()
{
$files = 0;
$offset = 0;
$central = "";
if (! empty( $this->options['sfx'] )) {
if ($fp = @fopen( $this->options['sfx'], "rb" )) {
$temp = fread( $fp, filesize( $this->options['sfx'] ) );
fclose( $fp );
$this->add_data( $temp );
$offset += strlen( $temp );
unset( $temp );
} else {
$this->error[] = "Could not open sfx module from {$this->options['sfx']}.";
}
}
$pwd = getcwd();
chdir( $this->options['basedir'] );
foreach ($this->files as $current) {
if ($current['name'] == $this->options['name']) {
continue;
}
$timedate = explode( " ", date( "Y n j G i s", $current['stat'][9] ) );
$timedate = ($timedate[0] - 1980 << 25) | ($timedate[1] << 21) | ($timedate[2] << 16) | ($timedate[3] << 11) | ($timedate[4] << 5) | ($timedate[5]);
$block = pack( "VvvvV", 0x04034b50, 0x000A, 0x0000, (isset( $current['method'] ) || $this->options['method'] == 0) ? 0x0000 : 0x0008, $timedate );
if ($current['stat'][7] == 0 && $current['type'] == 5) {
$block .= pack( "VVVvv", 0x00000000, 0x00000000, 0x00000000, strlen( $current['name2'] ) + 1, 0x0000 );
$block .= $current['name2'] . "/";
$this->add_data( $block );
$central .= pack( "VvvvvVVVVvvvvvVV", 0x02014b50, 0x0014, $this->options['method'] == 0 ? 0x0000 : 0x000A, 0x0000, (isset( $current['method'] ) || $this->options['method'] == 0) ? 0x0000 : 0x0008, $timedate, 0x00000000, 0x00000000, 0x00000000, strlen( $current['name2'] ) + 1, 0x0000, 0x0000, 0x0000, 0x0000, $current['type'] == 5 ? 0x00000010 : 0x00000000, $offset );
$central .= $current['name2'] . "/";
$files ++;
$offset += (31 + strlen( $current['name2'] ));
} elseif ($current['stat'][7] == 0) {
$block .= pack( "VVVvv", 0x00000000, 0x00000000, 0x00000000, strlen( $current['name2'] ), 0x0000 );
$block .= $current['name2'];
$this->add_data( $block );
$central .= pack( "VvvvvVVVVvvvvvVV", 0x02014b50, 0x0014, $this->options['method'] == 0 ? 0x0000 : 0x000A, 0x0000, (isset( $current['method'] ) || $this->options['method'] == 0) ? 0x0000 : 0x0008, $timedate, 0x00000000, 0x00000000, 0x00000000, strlen( $current['name2'] ), 0x0000, 0x0000, 0x0000, 0x0000, $current['type'] == 5 ? 0x00000010 : 0x00000000, $offset );
$central .= $current['name2'];
$files ++;
$offset += (30 + strlen( $current['name2'] ));
} elseif ($fp = @fopen( $current['name'], "rb" )) {
$temp = fread( $fp, $current['stat'][7] );
fclose( $fp );
$crc32 = G::encryptCrc32( $temp );
if (! isset( $current['method'] ) && $this->options['method'] == 1) {
$temp = gzcompress( $temp, $this->options['level'] );
$size = strlen( $temp ) - 6;
$temp = substr( $temp, 2, $size );
} else {
$size = strlen( $temp );
}
$block .= pack( "VVVvv", $crc32, $size, $current['stat'][7], strlen( $current['name2'] ), 0x0000 );
$block .= $current['name2'];
$this->add_data( $block );
$this->add_data( $temp );
unset( $temp );
$central .= pack( "VvvvvVVVVvvvvvVV", 0x02014b50, 0x0014, $this->options['method'] == 0 ? 0x0000 : 0x000A, 0x0000, (isset( $current['method'] ) || $this->options['method'] == 0) ? 0x0000 : 0x0008, $timedate, $crc32, $size, $current['stat'][7], strlen( $current['name2'] ), 0x0000, 0x0000, 0x0000, 0x0000, 0x00000000, $offset );
$central .= $current['name2'];
$files ++;
$offset += (30 + strlen( $current['name2'] ) + $size);
} else {
$this->error[] = "Could not open file {$current['name']} for reading. It was not added.";
}
}
$this->add_data( $central );
$this->add_data( pack( "VvvvvVVv", 0x06054b50, 0x0000, 0x0000, $files, $files, strlen( $central ), $offset, ! empty( $this->options['comment'] ) ? strlen( $this->options['comment'] ) : 0x0000 ) );
if (! empty( $this->options['comment'] )) {
$this->add_data( $this->options['comment'] );
}
chdir( $pwd );
return 1;
}
}