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