david
802479ed64
git-svn-id: https://192.168.0.254/svn/Proyectos.FundacionLQDVI_WebCongresos/trunk@2 94ccb1af-fd9d-d947-8d90-7f70ea60afc8
74 lines
2.7 KiB
PHP
74 lines
2.7 KiB
PHP
<?php
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/**
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* @version $Id: zip.lib.php 10381 2008-06-01 03:35:53Z pasamio $
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* @package Joomla
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*/
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// $Id: zip.lib.php 10381 2008-06-01 03:35:53Z pasamio $
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//
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// The "GNU General Public License" (GPL) is available at
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// http://www.gnu.org/licenses/gpl-2.0.html.
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//
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// http://www.zend.com/codex.php?id=535&single=1
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// By Eric Mueller <eric@themepark.com>
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//
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// http://www.zend.com/codex.php?id=470&single=1
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// by Denis125 <webmaster@atlant.ru>
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//
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// A patch from Peter Listiak <mlady@users.sourceforge.net> for last modified
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// date and time of the compressed file
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//
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// Official ZIP file format: http://www.pkware.com/appnote.txt
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class zipfile {
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var $datasec = array();
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var $ctrl_dir = array();
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var $eof_ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00";
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var $old_offset = 0;
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function unix2DosTime($unixtime = 0) {
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$timearray = ($unixtime == 0) ? getdate() : getdate($unixtime);
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if ($timearray['year'] < 1980) {
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$timearray['year']= 1980;
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$timearray['mon'] = 1;
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$timearray['mday']= 1;
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$timearray['hours'] = 0;
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$timearray['minutes'] = 0;
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$timearray['seconds'] = 0;
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}
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return (($timearray['year'] - 1980) << 25) | ($timearray['mon'] << 21) | ($timearray['mday'] << 16) | ($timearray['hours'] << 11) | ($timearray['minutes'] << 5) | ($timearray['seconds'] >> 1);
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}
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function addFile($data, $name, $time = 0) {
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$name = str_replace('\\', '/', $name);
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$dtime= dechex($this->unix2DosTime($time));
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$hexdtime = '\x' . $dtime[6] . $dtime[7] . '\x' . $dtime[4] . $dtime[5] . '\x' . $dtime[2] . $dtime[3] . '\x' . $dtime[0] . $dtime[1];
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eval('$hexdtime = "' . $hexdtime . '";');
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$fr = "\x50\x4b\x03\x04\x14\x00\x00\x00\x08\x00" . $hexdtime;
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$unc_len = strlen($data);
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$crc = crc32($data);
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$zdata = gzcompress($data);
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$zdata = substr(substr($zdata, 0, strlen($zdata) - 4), 2);
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$c_len = strlen($zdata);
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$fr .= pack('V', $crc) . pack('V', $c_len) . pack('V', $unc_len) . pack('v', strlen($name)) . pack('v', 0) . $name . $zdata . pack('V', $crc) . pack('V', $c_len) . pack('V', $unc_len);
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$this -> datasec[] = $fr;
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$new_offset = strlen(implode('', $this->datasec));
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$cdrec = "\x50\x4b\x01\x02\x00\x00\x14\x00\x00\x00\x08\x00" . $hexdtime . pack('V', $crc) . pack('V', $c_len) . pack('V', $unc_len) . pack('v', strlen($name)) . pack('v', 0) . pack('v', 0) . pack('v', 0) . pack('v', 0) . pack('V', 32) . pack('V', $this -> old_offset );
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$this -> old_offset = $new_offset;
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$cdrec .= $name;
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$this -> ctrl_dir[] = $cdrec;
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}
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function file() {
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$data = implode('', $this -> datasec);
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$ctrldir = implode('', $this -> ctrl_dir);
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return $data . $ctrldir . $this -> eof_ctrl_dir . pack('v', sizeof($this -> ctrl_dir)) . pack('v', sizeof($this -> ctrl_dir)) . pack('V', strlen($ctrldir)) . pack('V', strlen($data)) . "\x00\x00";
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}
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}
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?>
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