From afe99d0069da42f65e958174bf6d68e66eee5c41 Mon Sep 17 00:00:00 2001
From: Andreas Gohr <andi@splitbrain.org>
Date: Sat, 18 Nov 2006 17:12:42 +0100
Subject: renamed tar and zip libraries in plugin manager #974

The zip class was renamed to avoid name clashes with a certain PHP extension
the tar lib was renamed to make it match the zip naming ;-)

darcs-hash:20061118161242-7ad00-c50173d8b240d81455b48d2904c353c3e7e4a9a0.gz
---
 lib/plugins/plugin/admin.php            | 128 +++---
 lib/plugins/plugin/inc/TarLib.class.php | 676 ++++++++++++++++++++++++++++++++
 lib/plugins/plugin/inc/ZipLib.class.php | 352 +++++++++++++++++
 lib/plugins/plugin/inc/tarlib.class.php | 676 --------------------------------
 lib/plugins/plugin/inc/zip.lib.php      | 353 -----------------
 5 files changed, 1092 insertions(+), 1093 deletions(-)
 create mode 100644 lib/plugins/plugin/inc/TarLib.class.php
 create mode 100644 lib/plugins/plugin/inc/ZipLib.class.php
 delete mode 100644 lib/plugins/plugin/inc/tarlib.class.php
 delete mode 100644 lib/plugins/plugin/inc/zip.lib.php

(limited to 'lib/plugins')

diff --git a/lib/plugins/plugin/admin.php b/lib/plugins/plugin/admin.php
index 38ec2ba0e..0064e7092 100644
--- a/lib/plugins/plugin/admin.php
+++ b/lib/plugins/plugin/admin.php
@@ -20,11 +20,11 @@ require_once(DOKU_PLUGIN.'admin.php');
     // note: probably should be dokuwiki wide globals, where they can be accessed by pluginutils.php
     // global $plugin_types;
     // $plugin_types = array('syntax', 'admin');
-		
-		// plugins that are an integral part of dokuwiki, they shouldn't be disabled or deleted
-		global $plugin_protected;
-		$plugin_protected = array('acl','plugin','config','info','usermanager');
-		
+
+    // plugins that are an integral part of dokuwiki, they shouldn't be disabled or deleted
+    global $plugin_protected;
+    $plugin_protected = array('acl','plugin','config','info','usermanager');
+
 /**
  * All DokuWiki plugins to extend the admin function
  * need to inherit from this class
@@ -138,7 +138,7 @@ class admin_plugin_plugin extends DokuWiki_Admin_Plugin {
       if (!$this->plugin_list) {
         $this->plugin_list = plugin_list('',true);
         sort($this->plugin_list);
-			}
+      }
 
       ptln('<div id="plugin__manager">');
       $this->handler->html();
@@ -192,23 +192,23 @@ class ap_manage {
 
           if ($listPlugins) {
             ptln('<h2>'.$this->lang['manage'].'</h2>');
-						
+
             ptln('<form action="'.wl($ID).'" method="post" class="plugins">');
 //            ptln('  <div class="plugins">');
-						
-						ptln('  <fieldset class="hidden">');
+
+            ptln('  <fieldset class="hidden">');
             ptln('    <input type="hidden" name="do"     value="admin" />');
             ptln('    <input type="hidden" name="page"   value="plugin" />');
-						ptln('  </fieldset>');
-						
+            ptln('  </fieldset>');
+
             $this->html_pluginlist();
-						
-						ptln('  <fieldset class="buttons">');
-						ptln('    <input type="submit" class="button" name="fn[enable]" value="'.$this->lang['btn_enable'].'" />');
-						ptln('  </fieldset>');
-						
+
+            ptln('  <fieldset class="buttons">');
+            ptln('    <input type="submit" class="button" name="fn[enable]" value="'.$this->lang['btn_enable'].'" />');
+            ptln('  </fieldset>');
+
 //            ptln('  </div>');
-						ptln('</form>');
+            ptln('</form>');
           }
 
           ptln('</div>');
@@ -216,34 +216,34 @@ class ap_manage {
 
         function html_pluginlist() {
           global $ID;
-					global $plugin_protected;
+          global $plugin_protected;
 
           foreach ($this->manager->plugin_list as $plugin) {
 
-						$disabled = plugin_isdisabled($plugin);
-						$protected = in_array($plugin,$plugin_protected);
-						
-						$checked = ($disabled) ? '' : ' checked="checked"';
-						$check_disabled = ($protected) ? ' disabled="disabled"' : '';
-						
-						// determine display class(es)
-						$class = array();
-						if (in_array($plugin, $this->downloaded)) $class[] = 'new';
-						if ($disabled) $class[] = 'disabled';
-						if ($protected) $class[] = 'protected';
-						
-						$class = count($class) ? ' class="'.join(' ', $class).'"' : '';
+            $disabled = plugin_isdisabled($plugin);
+            $protected = in_array($plugin,$plugin_protected);
+
+            $checked = ($disabled) ? '' : ' checked="checked"';
+            $check_disabled = ($protected) ? ' disabled="disabled"' : '';
+
+            // determine display class(es)
+            $class = array();
+            if (in_array($plugin, $this->downloaded)) $class[] = 'new';
+            if ($disabled) $class[] = 'disabled';
+            if ($protected) $class[] = 'protected';
+
+            $class = count($class) ? ' class="'.join(' ', $class).'"' : '';
 
             ptln('    <fieldset'.$class.'>');
             ptln('      <legend>'.$plugin.'</legend>');
-						ptln('      <input type="checkbox" class="enable" name="enabled[]" value="'.$plugin.'"'.$checked.$check_disabled.' />');
+            ptln('      <input type="checkbox" class="enable" name="enabled[]" value="'.$plugin.'"'.$checked.$check_disabled.' />');
             ptln('      <h3 class="legend">'.$plugin.'</h3>');
 
             $this->html_button($plugin, 'info', false, 6);
             if (in_array('settings', $this->manager->functions)) {
               $this->html_button($plugin, 'settings', !@file_exists(DOKU_PLUGIN.$plugin.'/settings.php'), 6);
             }
-            $this->html_button($plugin, 'update', !$this->plugin_readlog($plugin, 'url'), 6);						
+            $this->html_button($plugin, 'update', !$this->plugin_readlog($plugin, 'url'), 6);
             $this->html_button($plugin, 'delete', $protected, 6);
 
             ptln('    </fieldset>');
@@ -577,36 +577,36 @@ class ap_manage {
         }
     }
     class ap_settings extends ap_manage {}
-		
-		class ap_enable extends ap_manage {
-		
-		  var $enabled = array();
-		
-		  function process() {
-			  global $plugin_protected;
-				
-				$this->enabled = isset($_REQUEST['enabled']) ? $_REQUEST['enabled'] : array();
-				
-				foreach ($this->manager->plugin_list as $plugin) {
-				  if (in_array($plugin, $plugin_protected)) continue;
-					
-					$new = in_array($plugin, $this->enabled);
-					$old = !plugin_isdisabled($plugin);
-					
-					if ($new != $old) {
-						switch ($new) {
-						  // enable plugin
-							case true : plugin_enable($plugin); break;
-							case false: plugin_disable($plugin); break;
-						}
-					}		
-				}
+
+    class ap_enable extends ap_manage {
+
+      var $enabled = array();
+
+      function process() {
+        global $plugin_protected;
+
+        $this->enabled = isset($_REQUEST['enabled']) ? $_REQUEST['enabled'] : array();
+
+        foreach ($this->manager->plugin_list as $plugin) {
+          if (in_array($plugin, $plugin_protected)) continue;
+
+          $new = in_array($plugin, $this->enabled);
+          $old = !plugin_isdisabled($plugin);
+
+          if ($new != $old) {
+            switch ($new) {
+              // enable plugin
+              case true : plugin_enable($plugin); break;
+              case false: plugin_disable($plugin); break;
+            }
+          }
+        }
 
         // refresh plugins, including expiring any dokuwiki cache(s)
         $this->refresh();
-			}
-			
-		}
+      }
+
+    }
 
     //--------------[ utilities ]-----------------------------------
 
@@ -628,13 +628,13 @@ class ap_manage {
         // .tar, .tar.bz, .tar.gz, .tgz
         if (in_array($ext, array('tar','bz','bz2','gz','tgz'))) {
 
-          require_once(DOKU_PLUGIN."plugin/inc/tarlib.class.php");
+          require_once(DOKU_PLUGIN."plugin/inc/TarLib.class.php");
 
           if (strpos($ext, 'bz') !== false) $compress_type = COMPRESS_BZIP;
           else if (strpos($ext,'gz') !== false) $compress_type = COMPRESS_GZIP;
           else $compress_type = COMPRESS_NONE;
 
-          $tar = new CompTar($file, $compress_type);
+          $tar = new TarLib($file, $compress_type);
           $ok = $tar->Extract(FULL_ARCHIVE, $target, '', 0777);
 
           // FIXME sort something out for handling tar error messages meaningfully
@@ -642,9 +642,9 @@ class ap_manage {
 
         } else if ($ext == 'zip') {
 
-          require_once(DOKU_PLUGIN."plugin/inc/zip.lib.php");
+          require_once(DOKU_PLUGIN."plugin/inc/ZipLib.class.php");
 
-          $zip = new zip();
+          $zip = new ZipLib();
           $ok = $zip->Extract($file, $target);
 
           // FIXME sort something out for handling zip error messages meaningfully
diff --git a/lib/plugins/plugin/inc/TarLib.class.php b/lib/plugins/plugin/inc/TarLib.class.php
new file mode 100644
index 000000000..270b6e7b6
--- /dev/null
+++ b/lib/plugins/plugin/inc/TarLib.class.php
@@ -0,0 +1,676 @@
+<?php
+
+/*
+ +---------------------------------------------+
+ |   TAR format class - Creates TAR archives   |
+ +---------------------------------------------+
+ |   This class is part or the MaxgComp suite  |
+ +---------------------------------------------+
+ |   Created by the Maxg Network (maxg.info)   |
+ |  http://docs.maxg.info for help & license.  |
+ +---------------------------------------------+
+ | Author: Bouchon <tarlib@bouchon.org> (Maxg) |
+ +---------------------------------------------+
+*  Modified for Dokuwiki
+*  @author    Christopher Smith <chris@jalakai.co.uk>
+*/
+
+define('COMPRESS_GZIP',1);
+define('COMPRESS_BZIP',2);
+define('COMPRESS_AUTO',3);
+define('COMPRESS_NONE',0);
+
+define('TARLIB_VERSION','1.2');
+define('FULL_ARCHIVE',-1);
+
+define('ARCHIVE_DYNAMIC',0);
+define('ARCHIVE_RENAMECOMP',5);
+define('COMPRESS_DETECT',-1);
+
+class TarLib
+{
+  var $_comptype;
+  var $_compzlevel;
+  var $_fp;
+  var $_memdat;
+  var $_nomf;
+  var $_result;
+
+  function tarlib($p_filen = ARCHIVE_DYNAMIC , $p_comptype = COMPRESS_AUTO, $p_complevel = 9)
+  {
+    $this->_nomf = $p_filen; $flag=0;
+    if($p_comptype && $p_comptype % 5 == 0){$p_comptype /= ARCHIVE_RENAMECOMP; $flag=1;}
+
+    if($p_complevel > 0 && $p_complevel <= 9) $this->_compzlevel = $p_complevel;
+    else $p_complevel = 9;
+
+    if($p_comptype == COMPRESS_DETECT)
+    {
+      if(strtolower(substr($p_filen,-3)) == '.gz') $p_comptype = COMPRESS_GZIP;
+      elseif(strtolower(substr($p_filen,-4)) == '.bz2') $p_comptype = COMPRESS_BZIP;
+      else $p_comptype = COMPRESS_NONE;
+    }
+
+    switch($p_comptype)
+    {
+      case COMPRESS_GZIP:
+        if(!extension_loaded('zlib')) $this->_result = -1;
+        $this->_comptype = COMPRESS_GZIP;
+      break;
+
+      case COMPRESS_BZIP:
+        if(!extension_loaded('bz2')) $this->_result = -2;
+        $this->_comptype = COMPRESS_BZIP;
+      break;
+
+      case COMPRESS_AUTO:
+        if(extension_loaded('zlib'))
+          $this->_comptype = COMPRESS_GZIP;
+        elseif(extension_loaded('bz2'))
+          $this->_comptype = COMPRESS_BZIP;
+        else
+          $this->_comptype = COMPRESS_NONE;
+      break;
+
+      default:
+        $this->_comptype = COMPRESS_NONE;
+    }
+
+    if($this->_result < 0) $this->_comptype = COMPRESS_NONE;
+
+    if($flag) $this->_nomf.= '.'.$this->getCompression(1);
+    $this->_result = true;
+  }
+
+  function setArchive($p_name='', $p_comp = COMPRESS_AUTO, $p_level=9)
+  {
+    $this->_CompTar();
+    $this->TarLib($p_name, $p_comp, $p_level);
+    return $this->_result;
+  }
+
+  function getCompression($ext = false)
+  {
+    $exts = Array('tar','tar.gz','tar.bz2');
+    if($ext) return $exts[$this->_comptype];
+    return $this->_comptype;
+  }
+
+  function setCompression($p_comp = COMPRESS_AUTO)
+  {
+    $this->setArchive($this->_nomf, $p_comp, $this->_compzlevel);
+    return $this->_compzlevel;
+  }
+
+  function getDynamicArchive()
+  {
+    return $this->_encode($this->_memdat);
+  }
+
+  function writeArchive($p_archive)
+  {
+    if(!$this->_memdat) return -7;
+    $fp = @fopen($p_archive, 'wb');
+    if(!$fp) return -6;
+
+    fwrite($fp, $this->_memdat);
+    fclose($fp);
+
+    return true;
+  }
+
+  function sendClient($name = '', $archive = '', $headers = TRUE)
+  {
+    if(!$name && !$this->_nomf) return -9;
+    if(!$archive && !$this->_memdat) return -10;
+    if(!$name) $name = basename($this->_nomf);
+
+    if($archive){ if(!file_exists($archive)) return -11; }
+    else $decoded = $this->getDynamicArchive();
+
+    if($headers)
+    {
+      header('Content-Type: application/x-gtar');
+      header('Content-Disposition: attachment; filename='.basename($name));
+      header('Accept-Ranges: bytes');
+      header('Content-Length: '.($archive ? filesize($archive) : strlen($decoded)));
+    }
+
+    if($archive)
+    {
+      $fp = @fopen($archive,'rb');
+      if(!$fp) return -4;
+
+      while(!foef($fp)) echo fread($fp,2048);
+    }
+    else
+    {
+      echo $decoded;
+    }
+
+    return true;
+  }
+
+  function Extract($p_what = FULL_ARCHIVE, $p_to = '.', $p_remdir='', $p_mode = 0755)
+  {
+    if(!$this->_OpenRead()) return -4;
+//  if(!@is_dir($p_to)) if(!@mkdir($p_to, 0777)) return -8;   --CS
+    if(!@is_dir($p_to)) if(!$this->_dirApp($p_to)) return -8;   //--CS (route through correct dir fn)
+
+    $ok = $this->_extractList($p_to, $p_what, $p_remdir, $p_mode);
+    $this->_CompTar();
+
+    return $ok;
+  }
+
+  function Create($p_filelist,$p_add='',$p_rem='')
+  {
+    if(!$fl = $this->_fetchFilelist($p_filelist)) return -5;
+    if(!$this->_OpenWrite()) return -6;
+
+    $ok = $this->_addFileList($fl,$p_add,$p_rem);
+
+    if($ok) $this->_writeFooter();
+    else{ $this->_CompTar(); @unlink($this->_nomf); }
+
+    return $ok;
+  }
+
+  function Add($p_filelist, $p_add = '', $p_rem = '')
+  {
+    if (($this->_nomf != ARCHIVE_DYNAMIC && @is_file($this->_nomf)) || ($this->_nomf == ARCHIVE_DYNAMIC && !$this->_memdat))
+      return $this->Create($p_filelist, $p_add, $p_rem);
+
+    if(!$fl = $this->_fetchFilelist($p_filelist)) return -5;
+    return $this->_append($fl, $p_add, $p_rem);
+  }
+
+  function ListContents()
+  {
+    if(!$this->_nomf) return -3;
+    if(!$this->_OpenRead()) return -4;
+
+    $result = Array();
+
+    while ($dat = $this->_read(512))
+    {
+      $dat = $this->_readHeader($dat);
+      if(!is_array($dat)) continue;
+
+      $this->_seek(ceil($dat['size']/512)*512,1);
+      $result[] = $dat;
+    }
+
+    return  $result;
+  }
+
+  function TarErrorStr($i)
+  {
+    $ecodes = Array(
+         1 => TRUE,
+         0 => "Undocumented error",
+        -1 => "Can't use COMPRESS_GZIP compression : ZLIB extensions are not loaded !",
+        -2 => "Can't use COMPRESS_BZIP compression : BZ2 extensions are not loaded !",
+        -3 => "You must set a archive file to read the contents !",
+        -4 => "Can't open the archive file for read !",
+        -5 => "Invalide file list !",
+        -6 => "Can't open the archive in write mode !",
+        -7 => "There is no ARCHIVE_DYNAMIC to write !",
+        -8 => "Can't create the directory to extract files !",
+        -9 => "Please pass a archive name to send if you made created an ARCHIVE_DYNAMIC !",
+       -10 => "You didn't pass an archive filename and there is no stored ARCHIVE_DYNAMIC !",
+       -11 => "Given archive doesn't exist !"
+    );
+
+    return isset($ecodes[$i]) ? $ecodes[$i] : $ecodes[0];
+  }
+
+  function TarInfo($headers = true)
+  {
+    if($headers)
+    {
+    ?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html>
+
+<head>
+  <title>MaxgComp TAR</title>
+  <style type="text/css">
+   body{margin: 20px;}
+   body,td{font-size:10pt;font-family: arial;}
+  </style>
+  <meta name="Author" content="The Maxg Network, http://maxg.info" />
+  <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
+</head>
+
+<body bgcolor="#EFEFEF">
+<?php
+    }
+?>
+<table border="0" align="center" width="500" cellspacing="4" cellpadding="5" style="border:1px dotted black;">
+<tr>
+  <td align="center" bgcolor="#DFDFEF" colspan="3" style="font-size:15pt;font-color:#330000;border:1px solid black;">MaxgComp TAR</td>
+</tr>
+<tr>
+  <td colspan="2" bgcolor="#EFEFFE" style="border:1px solid black;">This software was created by the Maxg Network, <a href="http://maxg.info" target="_blank" style="text-decoration:none;color:#333366;">http://maxg.info</a>
+   <br />It is distributed under the GNU <a href="http://www.gnu.org/copyleft/lesser.html" target="_blank" style="text-decoration:none;color:#333366;">Lesser General Public License</a>
+   <br />You can find the documentation of this class <a href="http://docs.maxg.info" target="_blank" style="text-decoration:none;color:#333366;">here</a></td>
+   <td width="60" bgcolor="#EFEFFE" style="border:1px solid black;" align="center"><img src="http://img.maxg.info/menu/tar.gif" border="0" alt="MaxgComp TAR" /></td>
+</tr>
+<tr>
+  <td width="50%" align="center" style="border:1px solid black;" bgcolor="#DFDFEF">MaxgComp TAR version</td>
+  <td colspan="2" align="center" bgcolor="#EFEFFE" style="border:1px solid black;"><?=TARLIB_VERSION?></td>
+</tr>
+<tr>
+  <td width="50%" align="center" style="border:1px solid black;" bgcolor="#DFDFEF">ZLIB extensions</td>
+  <td colspan="2" align="center" bgcolor="#EFEFFE" style="border:1px solid black;"><?=(extension_loaded('zlib') ? '<b>Yes</b>' : '<i>No</i>')?></td>
+</tr>
+<tr>
+  <td width="50%" align="center" style="border:1px solid black;" bgcolor="#DFDFEF">BZ2 extensions</td>
+  <td colspan="2" align="center" bgcolor="#EFEFFE" style="border:1px solid black;"><?=(extension_loaded('bz2') ? '<b>Yes</b>' : '<i>No</i>')?></td>
+</tr>
+<tr>
+  <td width="50%" align="center" style="border:1px solid black;" bgcolor="#DFDFEF">Allow URL fopen</td>
+  <td colspan="2" align="center" bgcolor="#EFEFFE" style="border:1px solid black;"><?=(ini_get('allow_url_fopen') ? '<b>Yes</b>' : '<i>No</i>')?></td>
+</tr>
+<tr>
+  <td width="50%" align="center" style="border:1px solid black;" bgcolor="#DFDFEF">Time limit</td>
+  <td colspan="2" align="center" bgcolor="#EFEFFE" style="border:1px solid black;"><?=ini_get('max_execution_time')?></td>
+</tr>
+<tr>
+  <td width="50%" align="center" style="border:1px solid black;" bgcolor="#DFDFEF">PHP Version</td>
+  <td colspan="2" align="center" bgcolor="#EFEFFE" style="border:1px solid black;"><?=phpversion()?></td>
+</tr>
+<tr>
+  <td colspan="3" align="center" bgcolor="#EFEFFE" style="border:1px solid black;">
+    <i>Special thanks to &laquo; Vincent Blavet &raquo; for his PEAR::Archive_Tar class</i>
+  </td>
+</tr>
+</table>
+<?php
+    if($headers) echo '</body></html>';
+  }
+
+  function _seek($p_flen, $tell=0)
+  {
+    if($this->_nomf === ARCHIVE_DYNAMIC)
+      $this->_memdat=substr($this->_memdat,0,($tell ? strlen($this->_memdat) : 0) + $p_flen);
+    elseif($this->_comptype == COMPRESS_GZIP)
+      @gzseek($this->_fp, ($tell ? @gztell($this->_fp) : 0)+$p_flen);
+    elseif($this->_comptype == COMPRESS_BZIP)
+      @fseek($this->_fp, ($tell ? @ftell($this->_fp) : 0)+$p_flen);
+    else
+      @fseek($this->_fp, ($tell ? @ftell($this->_fp) : 0)+$p_flen);
+  }
+
+  function _OpenRead()
+  {
+    if($this->_comptype == COMPRESS_GZIP)
+      $this->_fp = @gzopen($this->_nomf, 'rb');
+    elseif($this->_comptype == COMPRESS_BZIP)
+      $this->_fp = @bzopen($this->_nomf, 'rb');
+    else
+      $this->_fp = @fopen($this->_nomf, 'rb');
+
+    return ($this->_fp ? true : false);
+  }
+
+  function _OpenWrite($add = 'w')
+  {
+    if($this->_nomf === ARCHIVE_DYNAMIC) return true;
+
+    if($this->_comptype == COMPRESS_GZIP)
+      $this->_fp = @gzopen($this->_nomf, $add.'b'.$this->_compzlevel);
+    elseif($this->_comptype == COMPRESS_BZIP)
+      $this->_fp = @bzopen($this->_nomf, $add.'b');
+    else
+      $this->_fp = @fopen($this->_nomf, $add.'b');
+
+    return ($this->_fp ? true : false);
+  }
+
+  function _CompTar()
+  {
+    if($this->_nomf === ARCHIVE_DYNAMIC || !$this->_fp) return;
+
+    if($this->_comptype == COMPRESS_GZIP) @gzclose($this->_fp);
+    elseif($this->_comptype == COMPRESS_BZIP) @bzclose($this->_fp);
+    else @fclose($this->_fp);
+  }
+
+  function _read($p_len)
+  {
+    if($this->_comptype == COMPRESS_GZIP)
+      return @gzread($this->_fp,$p_len);
+    elseif($this->_comptype == COMPRESS_BZIP)
+      return @bzread($this->_fp,$p_len);
+    else
+      return @fread($this->_fp,$p_len);
+  }
+
+  function _write($p_data)
+  {
+    if($this->_nomf === ARCHIVE_DYNAMIC) $this->_memdat .= $p_data;
+    elseif($this->_comptype == COMPRESS_GZIP)
+      return @gzwrite($this->_fp,$p_data);
+
+    elseif($this->_comptype == COMPRESS_BZIP)
+      return @bzwrite($this->_fp,$p_data);
+
+    else
+      return @fwrite($this->_fp,$p_data);
+  }
+
+  function _encode($p_dat)
+  {
+    if($this->_comptype == COMPRESS_GZIP)
+      return gzencode($p_dat, $this->_compzlevel);
+    elseif($this->_comptype == COMPRESS_BZIP)
+      return bzcompress($p_dat, $this->_compzlevel);
+    else return $p_dat;
+  }
+
+  function _readHeader($p_dat)
+  {
+    if (!$p_dat || strlen($p_dat) != 512) return false;
+
+    for ($i=0, $chks=0; $i<148; $i++)
+      $chks += ord($p_dat[$i]);
+
+    for ($i=156,$chks+=256; $i<512; $i++)
+      $chks += ord($p_dat[$i]);
+
+    $headers = @unpack("a100filename/a8mode/a8uid/a8gid/a12size/a12mtime/a8checksum/a1typeflag/a100link/a6magic/a2version/a32uname/a32gname/a8devmajor/a8devminor", $p_dat);
+    if(!$headers) return false;
+
+    $return['checksum'] = OctDec(trim($headers['checksum']));
+    if ($return['checksum'] != $chks) return false;
+
+    $return['filename'] = trim($headers['filename']);
+    $return['mode'] = OctDec(trim($headers['mode']));
+    $return['uid'] = OctDec(trim($headers['uid']));
+    $return['gid'] = OctDec(trim($headers['gid']));
+    $return['size'] = OctDec(trim($headers['size']));
+    $return['mtime'] = OctDec(trim($headers['mtime']));
+    $return['typeflag'] = $headers['typeflag'];
+    $return['link'] = trim($headers['link']);
+    $return['uname'] = trim($headers['uname']);
+    $return['gname'] = trim($headers['gname']);
+
+    return $return;
+  }
+
+  function _fetchFilelist($p_filelist)
+  {
+    if(!$p_filelist || (is_array($p_filelist) && !@count($p_filelist))) return false;
+
+    if(is_string($p_filelist))
+    {
+        $p_filelist = explode('|',$p_filelist);
+        if(!is_array($p_filelist)) $p_filelist = Array($p_filelist);
+    }
+
+    return $p_filelist;
+  }
+
+  function _addFileList($p_fl, $p_addir, $p_remdir)
+  {
+    foreach($p_fl as $file)
+    {
+      if(($file == $this->_nomf && $this->_nomf != ARCHIVE_DYNAMIC) || !$file || (!file_exists($file) && !is_array($file)))
+        continue;
+
+      if (!$this->_addFile($file, $p_addir, $p_remdir))
+        continue;
+
+      if (@is_dir($file))
+      {
+        $d = @opendir($file);
+
+        if(!$d) continue;
+        readdir($d); readdir($d);
+
+        while($f = readdir($d))
+        {
+          if($file != ".") $tmplist[0] = "$file/$f";
+          else $tmplist[0] = $d;
+
+          $this->_addFileList($tmplist, $p_addir, $p_remdir);
+        }
+
+        closedir($d); unset($tmplist,$f);
+      }
+    }
+    return true;
+  }
+
+  function _addFile($p_fn, $p_addir = '', $p_remdir = '')
+  {
+    if(is_array($p_fn)) list($p_fn, $data) = $p_fn;
+    $sname = $p_fn;
+
+    if($p_remdir)
+    {
+        if(substr($p_remdir,-1) != '/') $p_remdir .= "/";
+
+        if(substr($sname, 0, strlen($p_remdir)) == $p_remdir)
+          $sname = substr($sname, strlen($p_remdir));
+    }
+
+    if($p_addir) $sname = $p_addir.(substr($p_addir,-1) == '/' ? '' : "/").$sname;
+
+    if(strlen($sname) > 99) return;
+
+    if(@is_dir($p_fn))
+    {
+      if(!$this->_writeFileHeader($p_fn, $sname)) return false;
+    }
+    else
+    {
+     if(!$data)
+     {
+      $fp = fopen($p_fn, 'rb');
+      if(!$fp) return false;
+     }
+
+     if(!$this->_writeFileHeader($p_fn, $sname, ($data ? strlen($data) : FALSE))) return false;
+
+     if(!$data)
+     {
+      while(!feof($fp))
+      {
+        $packed = pack("a512", fread($fp,512));
+        $this->_write($packed);
+      }
+      fclose($fp);
+     }
+     else
+     {
+      for($s = 0; $s < strlen($data); $s += 512)
+        $this->_write(pack("a512",substr($data,$s,512)));
+     }
+    }
+
+    return true;
+  }
+
+  function _writeFileHeader($p_file, $p_sname, $p_data=false)
+  {
+   if(!$p_data)
+   {
+    if (!$p_sname) $p_sname = $p_file;
+    $p_sname = $this->_pathTrans($p_sname);
+
+    $h_info = stat($p_file);
+    $h[0] = sprintf("%6s ", DecOct($h_info[4]));
+    $h[] = sprintf("%6s ", DecOct($h_info[5]));
+    $h[] = sprintf("%6s ", DecOct(fileperms($p_file)));
+    clearstatcache();
+    $h[] = sprintf("%11s ", DecOct(filesize($p_file)));
+    $h[] = sprintf("%11s", DecOct(filemtime($p_file)));
+
+    $dir = @is_dir($p_file) ? '5' : '';
+   }
+   else
+   {
+    $dir = '';
+    $p_data = sprintf("%11s ", DecOct($p_data));
+    $time = sprintf("%11s ", DecOct(time()));
+    $h = Array("     0 ","     0 "," 40777 ",$p_data,$time);
+   }
+
+    $data_first = pack("a100a8a8a8a12A12", $p_sname, $h[2], $h[0], $h[1], $h[3], $h[4]);
+    $data_last = pack("a1a100a6a2a32a32a8a8a155a12", $dir, '', '', '', '', '', '', '', '', "");
+
+     for ($i=0,$chks=0; $i<148; $i++)
+       $chks += ord($data_first[$i]);
+
+     for ($i=156, $chks+=256, $j=0; $i<512; $i++, $j++)
+       $chks += ord($data_last[$j]);
+
+     $this->_write($data_first);
+
+     $chks = pack("a8",sprintf("%6s ", DecOct($chks)));
+     $this->_write($chks.$data_last);
+
+     return true;
+  }
+
+  function _append($p_filelist, $p_addir="", $p_remdir="")
+  {
+    if(!$this->_fp) if(!$this->_OpenWrite('a')) return -6;
+
+    if($this->_nomf == ARCHIVE_DYNAMIC)
+    {
+      $s = strlen($this->_memdat);
+      $this->_memdat = substr($this->_memdat,0,-512);
+    }
+    else
+    {
+      $s = filesize($this->_nomf);
+      $this->_seek($s-512);
+    }
+
+    $ok = $this->_addFileList($p_filelist, $p_addir, $p_remdir);
+    $this->_writeFooter();
+
+    return $ok;
+  }
+
+  function _pathTrans($p_dir)
+  {
+    if ($p_dir)
+    {
+      $subf = explode("/", $p_dir); $r='';
+
+      for ($i=count($subf)-1; $i>=0; $i--)
+      {
+        if ($subf[$i] == ".") {}
+        else if ($subf[$i] == "..") $i--;
+        else if (!$subf[$i] && $i!=count($subf)-1 && $i) {}
+        else $r = $subf[$i].($i!=(count($subf)-1) ? "/".$r : "");
+      }
+    }
+    return $r;
+  }
+
+  function _writeFooter()
+  {
+    $this->_write(pack("a512", ""));
+  }
+
+  function _extractList($p_to, $p_files, $p_remdir, $p_mode = 0755)
+  {
+    if (!$p_to || ($p_to[0]!="/"&&substr($p_to,0,3)!="../"&&substr($p_to,1,3)!=":\\")) /*" // <- PHP Coder bug */
+      $p_to = "./$p_to";
+
+    if ($p_remdir && substr($p_remdir,-1)!='/') $p_remdir .= '/';
+    $p_remdirs = strlen($p_remdir);
+    while($dat = $this->_read(512))
+    {
+      $headers = $this->_readHeader($dat);
+      if(!$headers['filename']) continue;
+
+      if($p_files == -1 || $p_files[0] == -1) $extract = true;
+      else
+      {
+        $extract = false;
+
+        foreach($p_files as $f)
+        {
+          if(substr($f,-1) == "/") {
+            if((strlen($headers['filename']) > strlen($f)) && (substr($headers['filename'],0,strlen($f))==$f)) {
+              $extract = true; break;
+            }
+          }
+          elseif($f == $headers['filename']) {
+            $extract = true; break;
+          }
+        }
+      }
+
+      if ($extract)
+      {
+        $det[] = $headers;
+        if ($p_remdir && substr($headers['filename'],0,$p_remdirs)==$p_remdir)
+          $headers['filename'] = substr($headers['filename'],$p_remdirs);
+
+        if($headers['filename'].'/' == $p_remdir && $headers['typeflag']=='5') continue;
+
+        if ($p_to != "./" && $p_to != "/")
+        {
+          while($p_to{-1}=="/") $p_to = substr($p_to,0,-1);
+
+          if($headers['filename']{0} == "/")
+            $headers['filename'] = $p_to.$headers['filename'];
+          else
+            $headers['filename'] = $p_to."/".$headers['filename'];
+        }
+
+        $ok = $this->_dirApp($headers['typeflag']=="5" ? $headers['filename'] : dirname($headers['filename']));
+        if($ok < 0) return $ok;
+
+        if (!$headers['typeflag'])
+        {
+          if (!$fp = @fopen($headers['filename'], "wb")) return -6;
+          $n = floor($headers['size']/512);
+
+          for ($i=0; $i<$n; $i++) fwrite($fp, $this->_read(512),512);
+          if (($headers['size'] % 512) != 0) fwrite($fp, $this->_read(512), $headers['size'] % 512);
+
+          fclose($fp);
+          touch($headers['filename'], $headers['mtime']);
+          chmod($headers['filename'], $p_mode);
+        }
+       else
+       {
+         $this->_seek(ceil($headers['size']/512)*512,1);
+       }
+      }else $this->_seek(ceil($headers['size']/512)*512,1);
+    }
+    return $det;
+  }
+
+function _dirApp($d)
+  {
+//  map to dokuwiki function (its more robust)
+    return ap_mkdir($d);  
+/*
+    $d = explode('/', $d);
+    $base = '';
+
+    foreach($d as $f)
+    {
+      if(!is_dir($base.$f))
+      {
+        $ok = @mkdir($base.$f, 0777);
+        if(!$ok) return false;
+      }
+      $base .= "$f/";
+    }
+*/    
+  }
+
+}
+
diff --git a/lib/plugins/plugin/inc/ZipLib.class.php b/lib/plugins/plugin/inc/ZipLib.class.php
new file mode 100644
index 000000000..767d324a9
--- /dev/null
+++ b/lib/plugins/plugin/inc/ZipLib.class.php
@@ -0,0 +1,352 @@
+<?php
+
+/**
+ * @author     bouchon
+ * @link       http://dev.maxg.info
+ * @link       http://forum.maxg.info
+ *
+ *  Modified for Dokuwiki
+ *  @author    Christopher Smith <chris@jalakai.co.uk>
+ */
+class ZipLib
+{
+
+ var $datasec, $ctrl_dir = array();
+ var $eof_ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00";
+ var $old_offset = 0; var $dirs = Array(".");
+
+ function get_List($zip_name)
+ {
+   $zip = @fopen($zip_name, 'rb');
+   if(!$zip) return(0);
+   $centd = $this->ReadCentralDir($zip,$zip_name);
+
+    @rewind($zip);
+    @fseek($zip, $centd['offset']);
+
+   for ($i=0; $i<$centd['entries']; $i++)
+   {
+    $header = $this->ReadCentralFileHeaders($zip);
+    $header['index'] = $i;$info['filename'] = $header['filename'];
+    $info['stored_filename'] = $header['stored_filename'];
+    $info['size'] = $header['size'];$info['compressed_size']=$header['compressed_size'];
+    $info['crc'] = strtoupper(dechex( $header['crc'] ));
+    $info['mtime'] = $header['mtime']; $info['comment'] = $header['comment'];
+    $info['folder'] = ($header['external']==0x41FF0010||$header['external']==16)?1:0;
+    $info['index'] = $header['index'];$info['status'] = $header['status'];
+    $ret[]=$info; unset($header);
+   }
+  return $ret;
+ }
+
+ function Add($files,$compact)
+ {
+  if(!is_array($files[0])) $files=Array($files);
+
+  for($i=0;$files[$i];$i++){
+    $fn = $files[$i];
+    if(!in_Array(dirname($fn[0]),$this->dirs))
+     $this->add_Dir(dirname($fn[0]));
+    if(basename($fn[0]))
+     $ret[basename($fn[0])]=$this->add_File($fn[1],$fn[0],$compact);
+  }
+  return $ret;
+ }
+
+ function get_file()
+ {
+   $data = implode('', $this -> datasec);
+   $ctrldir = implode('', $this -> ctrl_dir);
+
+   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($data)) . "\x00\x00";
+ }
+
+ function add_dir($name) 
+ { 
+   $name = str_replace("\\", "/", $name); 
+   $fr = "\x50\x4b\x03\x04\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00"; 
+
+   $fr .= pack("V",0).pack("V",0).pack("V",0).pack("v", strlen($name) ); 
+   $fr .= pack("v", 0 ).$name.pack("V", 0).pack("V", 0).pack("V", 0); 
+   $this -> datasec[] = $fr;
+
+   $new_offset = strlen(implode("", $this->datasec)); 
+
+   $cdrec = "\x50\x4b\x01\x02\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00"; 
+   $cdrec .= pack("V",0).pack("V",0).pack("V",0).pack("v", strlen($name) ); 
+   $cdrec .= pack("v", 0 ).pack("v", 0 ).pack("v", 0 ).pack("v", 0 ); 
+   $ext = "\xff\xff\xff\xff"; 
+   $cdrec .= pack("V", 16 ).pack("V", $this -> old_offset ).$name; 
+
+   $this -> ctrl_dir[] = $cdrec; 
+   $this -> old_offset = $new_offset; 
+   $this -> dirs[] = $name;
+ }
+
+ function add_File($data, $name, $compact = 1)
+ {
+   $name     = str_replace('\\', '/', $name);
+   $dtime    = dechex($this->DosTime());
+
+   $hexdtime = '\x' . $dtime[6] . $dtime[7].'\x'.$dtime[4] . $dtime[5]
+     . '\x' . $dtime[2] . $dtime[3].'\x'.$dtime[0].$dtime[1];
+   eval('$hexdtime = "' . $hexdtime . '";');
+
+   if($compact)
+   $fr = "\x50\x4b\x03\x04\x14\x00\x00\x00\x08\x00".$hexdtime;
+   else $fr = "\x50\x4b\x03\x04\x0a\x00\x00\x00\x00\x00".$hexdtime;
+   $unc_len = strlen($data); $crc = crc32($data);
+
+   if($compact){
+     $zdata = gzcompress($data); $c_len = strlen($zdata);
+     $zdata = substr(substr($zdata, 0, strlen($zdata) - 4), 2);
+   }else{
+     $zdata = $data;
+   }
+   $c_len=strlen($zdata);
+   $fr .= pack('V', $crc).pack('V', $c_len).pack('V', $unc_len);
+   $fr .= pack('v', strlen($name)).pack('v', 0).$name.$zdata;
+
+   $fr .= pack('V', $crc).pack('V', $c_len).pack('V', $unc_len);
+
+   $this -> datasec[] = $fr;
+   $new_offset        = strlen(implode('', $this->datasec));
+   if($compact)
+        $cdrec = "\x50\x4b\x01\x02\x00\x00\x14\x00\x00\x00\x08\x00";
+   else $cdrec = "\x50\x4b\x01\x02\x14\x00\x0a\x00\x00\x00\x00\x00";
+   $cdrec .= $hexdtime.pack('V', $crc).pack('V', $c_len).pack('V', $unc_len);
+   $cdrec .= pack('v', strlen($name) ).pack('v', 0 ).pack('v', 0 );
+   $cdrec .= pack('v', 0 ).pack('v', 0 ).pack('V', 32 );
+   $cdrec .= pack('V', $this -> old_offset );
+
+   $this -> old_offset = $new_offset;
+   $cdrec .= $name;
+   $this -> ctrl_dir[] = $cdrec;
+   return true;
+ }
+
+ function DosTime() {
+   $timearray = getdate();
+   if ($timearray['year'] < 1980) {
+     $timearray['year'] = 1980; $timearray['mon'] = 1;
+     $timearray['mday'] = 1; $timearray['hours'] = 0;
+     $timearray['minutes'] = 0; $timearray['seconds'] = 0;
+   }
+   return (($timearray['year'] - 1980) << 25) | ($timearray['mon'] << 21) |     ($timearray['mday'] << 16) | ($timearray['hours'] << 11) | 
+    ($timearray['minutes'] << 5) | ($timearray['seconds'] >> 1);
+ }
+
+ function Extract ( $zn, $to, $index = Array(-1) )
+ {
+   if(!@is_dir($to)) @mkdir($to,0777);
+   $ok = 0; $zip = @fopen($zn,'rb');
+   if(!$zip) return(-1);
+   $cdir = $this->ReadCentralDir($zip,$zn);
+   $pos_entry = $cdir['offset'];
+
+   if(!is_array($index)){ $index = array($index);  }
+   for($i=0; $index[$i];$i++){
+     if(intval($index[$i])!=$index[$i]||$index[$i]>$cdir['entries'])
+      return(-1);
+   }
+
+   for ($i=0; $i<$cdir['entries']; $i++)
+   {
+     @fseek($zip, $pos_entry);
+     $header = $this->ReadCentralFileHeaders($zip);
+     $header['index'] = $i; $pos_entry = ftell($zip);
+     @rewind($zip); fseek($zip, $header['offset']);
+     if(in_array("-1",$index)||in_array($i,$index))
+      $stat[$header['filename']]=$this->ExtractFile($header, $to, $zip);
+      
+   }
+   fclose($zip);
+   return $stat;
+ }
+
+  function ReadFileHeader($zip)
+  {
+    $binary_data = fread($zip, 30);
+    $data = unpack('vchk/vid/vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len', $binary_data);
+
+    $header['filename'] = fread($zip, $data['filename_len']);
+    if ($data['extra_len'] != 0) {
+      $header['extra'] = fread($zip, $data['extra_len']);
+    } else { $header['extra'] = ''; }
+
+    $header['compression'] = $data['compression'];$header['size'] = $data['size'];
+    $header['compressed_size'] = $data['compressed_size'];
+    $header['crc'] = $data['crc']; $header['flag'] = $data['flag'];
+    $header['mdate'] = $data['mdate'];$header['mtime'] = $data['mtime'];
+
+    if ($header['mdate'] && $header['mtime']){
+     $hour=($header['mtime']&0xF800)>>11;$minute=($header['mtime']&0x07E0)>>5;
+     $seconde=($header['mtime']&0x001F)*2;$year=(($header['mdate']&0xFE00)>>9)+1980;
+     $month=($header['mdate']&0x01E0)>>5;$day=$header['mdate']&0x001F;
+     $header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year);
+    }else{$header['mtime'] = time();}
+
+    $header['stored_filename'] = $header['filename'];
+    $header['status'] = "ok";
+    return $header;
+  }
+
+ function ReadCentralFileHeaders($zip){
+    $binary_data = fread($zip, 46);
+    $header = unpack('vchkid/vid/vversion/vversion_extracted/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len/vcomment_len/vdisk/vinternal/Vexternal/Voffset', $binary_data);
+
+    if ($header['filename_len'] != 0)
+      $header['filename'] = fread($zip,$header['filename_len']);
+    else $header['filename'] = '';
+
+    if ($header['extra_len'] != 0)
+      $header['extra'] = fread($zip, $header['extra_len']);
+    else $header['extra'] = '';
+
+    if ($header['comment_len'] != 0)
+      $header['comment'] = fread($zip, $header['comment_len']);
+    else $header['comment'] = '';
+
+    if ($header['mdate'] && $header['mtime'])
+    {
+      $hour = ($header['mtime'] & 0xF800) >> 11;
+      $minute = ($header['mtime'] & 0x07E0) >> 5;
+      $seconde = ($header['mtime'] & 0x001F)*2;
+      $year = (($header['mdate'] & 0xFE00) >> 9) + 1980;
+      $month = ($header['mdate'] & 0x01E0) >> 5;
+      $day = $header['mdate'] & 0x001F;
+      $header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year);
+    } else {
+      $header['mtime'] = time();
+    }
+    $header['stored_filename'] = $header['filename'];
+    $header['status'] = 'ok';
+    if (substr($header['filename'], -1) == '/')
+      $header['external'] = 0x41FF0010;
+    return $header;
+ }
+
+ function ReadCentralDir($zip,$zip_name)
+ {
+  $size = filesize($zip_name);
+  if ($size < 277) $maximum_size = $size;
+  else $maximum_size=277;
+
+  @fseek($zip, $size-$maximum_size);
+  $pos = ftell($zip); $bytes = 0x00000000;
+
+  while ($pos < $size)
+  {
+    $byte = @fread($zip, 1); $bytes=($bytes << 8) | Ord($byte);
+    if ($bytes == 0x504b0506){ $pos++; break; } $pos++;
+  }
+
+ $data=unpack('vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size',
+        fread($zip, 18));
+
+  if ($data['comment_size'] != 0)
+    $centd['comment'] = fread($zip, $data['comment_size']);
+    else $centd['comment'] = ''; $centd['entries'] = $data['entries'];
+  $centd['disk_entries'] = $data['disk_entries'];
+  $centd['offset'] = $data['offset'];$centd['disk_start'] = $data['disk_start'];
+  $centd['size'] = $data['size'];  $centd['disk'] = $data['disk'];
+  return $centd;
+ }
+
+ function ExtractFile($header,$to,$zip)
+ {
+   $header = $this->readfileheader($zip);
+
+   if(substr($to,-1)!="/") $to.="/";
+   if(substr($header['filename'],-1)=="/")
+   {
+//    @mkdir($to.$header['filename']);   --CS
+    $this->_mkdir($to.$header['filename']);  //-- CS
+    return +2;
+   }
+
+//   $pth = explode("/",dirname($header['filename']));
+//   for($i=0,$tmp="";isset($pth[$i]);$i++){
+//     if(!$pth[$i]) continue;
+//     if(!is_dir($to.$tmp.$pth[$i])) @mkdir($to.$pth[$i],0777);
+//     $tmp.=$pth[$i]."/";
+//   }
+  if (!$this->_mkdir($to.dirname($header['filename']))) return (-1);   //--CS
+
+  if (!($header['external']==0x41FF0010)&&!($header['external']==16))
+  {
+   if ($header['compression']==0)
+   {
+    $fp = @fopen($to.$header['filename'], 'wb');
+    if(!$fp) return(-1);
+    $size = $header['compressed_size'];
+
+    while ($size != 0)
+    {
+      $read_size = ($size < 2048 ? $size : 2048);
+      $buffer = fread($zip, $read_size);
+      $binary_data = pack('a'.$read_size, $buffer);
+      @fwrite($fp, $binary_data, $read_size);
+      $size -= $read_size;
+    }
+    fclose($fp);
+    touch($to.$header['filename'], $header['mtime']);
+
+  }else{
+   if (!is_dir(dirname($to.$header['filename']))) $this->_mkdir(dirname($to.$header['filename']));  //-CS
+   $fp = fopen($to.$header['filename'].'.gz','wb');
+   if(!$fp) return(-1);
+   $binary_data = pack('va1a1Va1a1', 0x8b1f, Chr($header['compression']),
+     Chr(0x00), time(), Chr(0x00), Chr(3));
+
+   fwrite($fp, $binary_data, 10);
+   $size = $header['compressed_size'];
+
+   while ($size != 0)
+   {
+     $read_size = ($size < 1024 ? $size : 1024);
+     $buffer = fread($zip, $read_size);
+     $binary_data = pack('a'.$read_size, $buffer);
+     @fwrite($fp, $binary_data, $read_size);
+     $size -= $read_size;
+   }
+
+   $binary_data = pack('VV', $header['crc'], $header['size']);
+   fwrite($fp, $binary_data,8); fclose($fp);
+
+   $gzp = @gzopen($to.$header['filename'].'.gz','rb');
+    if(!$gzp){
+       @gzclose($gzp); @unlink($to.$header['filename']);
+       die("Archive is compressed whereas ZLIB is not enabled.");
+    }
+   $fp = @fopen($to.$header['filename'],'wb');
+   if(!$fp) return(-1);
+   $size = $header['size'];
+
+   while ($size != 0)
+   {
+     $read_size = ($size < 2048 ? $size : 2048);
+     $buffer = gzread($gzp, $read_size);
+     $binary_data = pack('a'.$read_size, $buffer);
+     @fwrite($fp, $binary_data, $read_size);
+     $size -= $read_size;
+   }
+   fclose($fp); gzclose($gzp);
+
+   touch($to.$header['filename'], $header['mtime']);
+   @unlink($to.$header['filename'].'.gz');
+
+  }}
+  return true;
+ }
+ 
+ //--CS start
+ // centralize mkdir calls and use dokuwiki io functions  
+ function _mkdir($d) {
+    return ap_mkdir($d);  
+ }
+ //--CS end
+}
+
diff --git a/lib/plugins/plugin/inc/tarlib.class.php b/lib/plugins/plugin/inc/tarlib.class.php
deleted file mode 100644
index 65cca9181..000000000
--- a/lib/plugins/plugin/inc/tarlib.class.php
+++ /dev/null
@@ -1,676 +0,0 @@
-<?php
-
-/*
- +---------------------------------------------+
- |   TAR format class - Creates TAR archives   |
- +---------------------------------------------+
- |   This class is part or the MaxgComp suite  |
- +---------------------------------------------+
- |   Created by the Maxg Network (maxg.info)   |
- |  http://docs.maxg.info for help & license.  |
- +---------------------------------------------+
- | Author: Bouchon <tarlib@bouchon.org> (Maxg) |
- +---------------------------------------------+
-*  Modified for Dokuwiki
-*  @author    Christopher Smith <chris@jalakai.co.uk>
-*/
-
-define('COMPRESS_GZIP',1);
-define('COMPRESS_BZIP',2);
-define('COMPRESS_AUTO',3);
-define('COMPRESS_NONE',0);
-
-define('TARLIB_VERSION','1.2');
-define('FULL_ARCHIVE',-1);
-
-define('ARCHIVE_DYNAMIC',0);
-define('ARCHIVE_RENAMECOMP',5);
-define('COMPRESS_DETECT',-1);
-
-class CompTar
-{
-  var $_comptype;
-  var $_compzlevel;
-  var $_fp;
-  var $_memdat;
-  var $_nomf;
-  var $_result;
-
-  function CompTar($p_filen = ARCHIVE_DYNAMIC , $p_comptype = COMPRESS_AUTO, $p_complevel = 9)
-  {
-    $this->_nomf = $p_filen; $flag=0;
-    if($p_comptype && $p_comptype % 5 == 0){$p_comptype /= ARCHIVE_RENAMECOMP; $flag=1;}
-
-    if($p_complevel > 0 && $p_complevel <= 9) $this->_compzlevel = $p_complevel;
-    else $p_complevel = 9;
-
-    if($p_comptype == COMPRESS_DETECT)
-    {
-      if(strtolower(substr($p_filen,-3)) == '.gz') $p_comptype = COMPRESS_GZIP;
-      elseif(strtolower(substr($p_filen,-4)) == '.bz2') $p_comptype = COMPRESS_BZIP;
-      else $p_comptype = COMPRESS_NONE;
-    }
-
-    switch($p_comptype)
-    {
-      case COMPRESS_GZIP:
-        if(!extension_loaded('zlib')) $this->_result = -1;
-        $this->_comptype = COMPRESS_GZIP;
-      break;
-
-      case COMPRESS_BZIP:
-        if(!extension_loaded('bz2')) $this->_result = -2;
-        $this->_comptype = COMPRESS_BZIP;
-      break;
-
-      case COMPRESS_AUTO:
-        if(extension_loaded('zlib'))
-          $this->_comptype = COMPRESS_GZIP;
-        elseif(extension_loaded('bz2'))
-          $this->_comptype = COMPRESS_BZIP;
-        else
-          $this->_comptype = COMPRESS_NONE;
-      break;
-
-      default:
-        $this->_comptype = COMPRESS_NONE;
-    }
-
-    if($this->_result < 0) $this->_comptype = COMPRESS_NONE;
-
-    if($flag) $this->_nomf.= '.'.$this->getCompression(1);
-    $this->_result = true;
-  }
-
-  function setArchive($p_name='', $p_comp = COMPRESS_AUTO, $p_level=9)
-  {
-    $this->_CompTar();
-    $this->CompTar($p_name, $p_comp, $p_level);
-    return $this->_result;
-  }
-
-  function getCompression($ext = false)
-  {
-    $exts = Array('tar','tar.gz','tar.bz2');
-    if($ext) return $exts[$this->_comptype];
-    return $this->_comptype;
-  }
-
-  function setCompression($p_comp = COMPRESS_AUTO)
-  {
-    $this->setArchive($this->_nomf, $p_comp, $this->_compzlevel);
-    return $this->_compzlevel;
-  }
-
-  function getDynamicArchive()
-  {
-    return $this->_encode($this->_memdat);
-  }
-
-  function writeArchive($p_archive)
-  {
-    if(!$this->_memdat) return -7;
-    $fp = @fopen($p_archive, 'wb');
-    if(!$fp) return -6;
-
-    fwrite($fp, $this->_memdat);
-    fclose($fp);
-
-    return true;
-  }
-
-  function sendClient($name = '', $archive = '', $headers = TRUE)
-  {
-    if(!$name && !$this->_nomf) return -9;
-    if(!$archive && !$this->_memdat) return -10;
-    if(!$name) $name = basename($this->_nomf);
-
-    if($archive){ if(!file_exists($archive)) return -11; }
-    else $decoded = $this->getDynamicArchive();
-
-    if($headers)
-    {
-      header('Content-Type: application/x-gtar');
-      header('Content-Disposition: attachment; filename='.basename($name));
-      header('Accept-Ranges: bytes');
-      header('Content-Length: '.($archive ? filesize($archive) : strlen($decoded)));
-    }
-
-    if($archive)
-    {
-      $fp = @fopen($archive,'rb');
-      if(!$fp) return -4;
-
-      while(!foef($fp)) echo fread($fp,2048);
-    }
-    else
-    {
-      echo $decoded;
-    }
-
-    return true;
-  }
-
-  function Extract($p_what = FULL_ARCHIVE, $p_to = '.', $p_remdir='', $p_mode = 0755)
-  {
-    if(!$this->_OpenRead()) return -4;
-//  if(!@is_dir($p_to)) if(!@mkdir($p_to, 0777)) return -8;   --CS
-    if(!@is_dir($p_to)) if(!$this->_dirApp($p_to)) return -8;   //--CS (route through correct dir fn)
-
-    $ok = $this->_extractList($p_to, $p_what, $p_remdir, $p_mode);
-    $this->_CompTar();
-
-    return $ok;
-  }
-
-  function Create($p_filelist,$p_add='',$p_rem='')
-  {
-    if(!$fl = $this->_fetchFilelist($p_filelist)) return -5;
-    if(!$this->_OpenWrite()) return -6;
-
-    $ok = $this->_addFileList($fl,$p_add,$p_rem);
-
-    if($ok) $this->_writeFooter();
-    else{ $this->_CompTar(); @unlink($this->_nomf); }
-
-    return $ok;
-  }
-
-  function Add($p_filelist, $p_add = '', $p_rem = '')
-  {
-    if (($this->_nomf != ARCHIVE_DYNAMIC && @is_file($this->_nomf)) || ($this->_nomf == ARCHIVE_DYNAMIC && !$this->_memdat))
-      return $this->Create($p_filelist, $p_add, $p_rem);
-
-    if(!$fl = $this->_fetchFilelist($p_filelist)) return -5;
-    return $this->_append($fl, $p_add, $p_rem);
-  }
-
-  function ListContents()
-  {
-    if(!$this->_nomf) return -3;
-    if(!$this->_OpenRead()) return -4;
-
-    $result = Array();
-
-    while ($dat = $this->_read(512))
-    {
-      $dat = $this->_readHeader($dat);
-      if(!is_array($dat)) continue;
-
-      $this->_seek(ceil($dat['size']/512)*512,1);
-      $result[] = $dat;
-    }
-
-    return  $result;
-  }
-
-  function TarErrorStr($i)
-  {
-    $ecodes = Array(
-         1 => TRUE,
-         0 => "Undocumented error",
-        -1 => "Can't use COMPRESS_GZIP compression : ZLIB extensions are not loaded !",
-        -2 => "Can't use COMPRESS_BZIP compression : BZ2 extensions are not loaded !",
-        -3 => "You must set a archive file to read the contents !",
-        -4 => "Can't open the archive file for read !",
-        -5 => "Invalide file list !",
-        -6 => "Can't open the archive in write mode !",
-        -7 => "There is no ARCHIVE_DYNAMIC to write !",
-        -8 => "Can't create the directory to extract files !",
-        -9 => "Please pass a archive name to send if you made created an ARCHIVE_DYNAMIC !",
-       -10 => "You didn't pass an archive filename and there is no stored ARCHIVE_DYNAMIC !",
-       -11 => "Given archive doesn't exist !"
-    );
-
-    return isset($ecodes[$i]) ? $ecodes[$i] : $ecodes[0];
-  }
-
-  function TarInfo($headers = true)
-  {
-    if($headers)
-    {
-    ?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
-    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html>
-
-<head>
-  <title>MaxgComp TAR</title>
-  <style type="text/css">
-   body{margin: 20px;}
-   body,td{font-size:10pt;font-family: arial;}
-  </style>
-  <meta name="Author" content="The Maxg Network, http://maxg.info" />
-  <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
-</head>
-
-<body bgcolor="#EFEFEF">
-<?php
-    }
-?>
-<table border="0" align="center" width="500" cellspacing="4" cellpadding="5" style="border:1px dotted black;">
-<tr>
-  <td align="center" bgcolor="#DFDFEF" colspan="3" style="font-size:15pt;font-color:#330000;border:1px solid black;">MaxgComp TAR</td>
-</tr>
-<tr>
-  <td colspan="2" bgcolor="#EFEFFE" style="border:1px solid black;">This software was created by the Maxg Network, <a href="http://maxg.info" target="_blank" style="text-decoration:none;color:#333366;">http://maxg.info</a>
-   <br />It is distributed under the GNU <a href="http://www.gnu.org/copyleft/lesser.html" target="_blank" style="text-decoration:none;color:#333366;">Lesser General Public License</a>
-   <br />You can find the documentation of this class <a href="http://docs.maxg.info" target="_blank" style="text-decoration:none;color:#333366;">here</a></td>
-   <td width="60" bgcolor="#EFEFFE" style="border:1px solid black;" align="center"><img src="http://img.maxg.info/menu/tar.gif" border="0" alt="MaxgComp TAR" /></td>
-</tr>
-<tr>
-  <td width="50%" align="center" style="border:1px solid black;" bgcolor="#DFDFEF">MaxgComp TAR version</td>
-  <td colspan="2" align="center" bgcolor="#EFEFFE" style="border:1px solid black;"><?=TARLIB_VERSION?></td>
-</tr>
-<tr>
-  <td width="50%" align="center" style="border:1px solid black;" bgcolor="#DFDFEF">ZLIB extensions</td>
-  <td colspan="2" align="center" bgcolor="#EFEFFE" style="border:1px solid black;"><?=(extension_loaded('zlib') ? '<b>Yes</b>' : '<i>No</i>')?></td>
-</tr>
-<tr>
-  <td width="50%" align="center" style="border:1px solid black;" bgcolor="#DFDFEF">BZ2 extensions</td>
-  <td colspan="2" align="center" bgcolor="#EFEFFE" style="border:1px solid black;"><?=(extension_loaded('bz2') ? '<b>Yes</b>' : '<i>No</i>')?></td>
-</tr>
-<tr>
-  <td width="50%" align="center" style="border:1px solid black;" bgcolor="#DFDFEF">Allow URL fopen</td>
-  <td colspan="2" align="center" bgcolor="#EFEFFE" style="border:1px solid black;"><?=(ini_get('allow_url_fopen') ? '<b>Yes</b>' : '<i>No</i>')?></td>
-</tr>
-<tr>
-  <td width="50%" align="center" style="border:1px solid black;" bgcolor="#DFDFEF">Time limit</td>
-  <td colspan="2" align="center" bgcolor="#EFEFFE" style="border:1px solid black;"><?=ini_get('max_execution_time')?></td>
-</tr>
-<tr>
-  <td width="50%" align="center" style="border:1px solid black;" bgcolor="#DFDFEF">PHP Version</td>
-  <td colspan="2" align="center" bgcolor="#EFEFFE" style="border:1px solid black;"><?=phpversion()?></td>
-</tr>
-<tr>
-  <td colspan="3" align="center" bgcolor="#EFEFFE" style="border:1px solid black;">
-    <i>Special thanks to &laquo; Vincent Blavet &raquo; for his PEAR::Archive_Tar class</i>
-  </td>
-</tr>
-</table>
-<?php
-    if($headers) echo '</body></html>';
-  }
-
-  function _seek($p_flen, $tell=0)
-  {
-    if($this->_nomf === ARCHIVE_DYNAMIC)
-      $this->_memdat=substr($this->_memdat,0,($tell ? strlen($this->_memdat) : 0) + $p_flen);
-    elseif($this->_comptype == COMPRESS_GZIP)
-      @gzseek($this->_fp, ($tell ? @gztell($this->_fp) : 0)+$p_flen);
-    elseif($this->_comptype == COMPRESS_BZIP)
-      @fseek($this->_fp, ($tell ? @ftell($this->_fp) : 0)+$p_flen);
-    else
-      @fseek($this->_fp, ($tell ? @ftell($this->_fp) : 0)+$p_flen);
-  }
-
-  function _OpenRead()
-  {
-    if($this->_comptype == COMPRESS_GZIP)
-      $this->_fp = @gzopen($this->_nomf, 'rb');
-    elseif($this->_comptype == COMPRESS_BZIP)
-      $this->_fp = @bzopen($this->_nomf, 'rb');
-    else
-      $this->_fp = @fopen($this->_nomf, 'rb');
-
-    return ($this->_fp ? true : false);
-  }
-
-  function _OpenWrite($add = 'w')
-  {
-    if($this->_nomf === ARCHIVE_DYNAMIC) return true;
-
-    if($this->_comptype == COMPRESS_GZIP)
-      $this->_fp = @gzopen($this->_nomf, $add.'b'.$this->_compzlevel);
-    elseif($this->_comptype == COMPRESS_BZIP)
-      $this->_fp = @bzopen($this->_nomf, $add.'b');
-    else
-      $this->_fp = @fopen($this->_nomf, $add.'b');
-
-    return ($this->_fp ? true : false);
-  }
-
-  function _CompTar()
-  {
-    if($this->_nomf === ARCHIVE_DYNAMIC || !$this->_fp) return;
-
-    if($this->_comptype == COMPRESS_GZIP) @gzclose($this->_fp);
-    elseif($this->_comptype == COMPRESS_BZIP) @bzclose($this->_fp);
-    else @fclose($this->_fp);
-  }
-
-  function _read($p_len)
-  {
-    if($this->_comptype == COMPRESS_GZIP)
-      return @gzread($this->_fp,$p_len);
-    elseif($this->_comptype == COMPRESS_BZIP)
-      return @bzread($this->_fp,$p_len);
-    else
-      return @fread($this->_fp,$p_len);
-  }
-
-  function _write($p_data)
-  {
-    if($this->_nomf === ARCHIVE_DYNAMIC) $this->_memdat .= $p_data;
-    elseif($this->_comptype == COMPRESS_GZIP)
-      return @gzwrite($this->_fp,$p_data);
-
-    elseif($this->_comptype == COMPRESS_BZIP)
-      return @bzwrite($this->_fp,$p_data);
-
-    else
-      return @fwrite($this->_fp,$p_data);
-  }
-
-  function _encode($p_dat)
-  {
-    if($this->_comptype == COMPRESS_GZIP)
-      return gzencode($p_dat, $this->_compzlevel);
-    elseif($this->_comptype == COMPRESS_BZIP)
-      return bzcompress($p_dat, $this->_compzlevel);
-    else return $p_dat;
-  }
-
-  function _readHeader($p_dat)
-  {
-    if (!$p_dat || strlen($p_dat) != 512) return false;
-
-    for ($i=0, $chks=0; $i<148; $i++)
-      $chks += ord($p_dat[$i]);
-
-    for ($i=156,$chks+=256; $i<512; $i++)
-      $chks += ord($p_dat[$i]);
-
-    $headers = @unpack("a100filename/a8mode/a8uid/a8gid/a12size/a12mtime/a8checksum/a1typeflag/a100link/a6magic/a2version/a32uname/a32gname/a8devmajor/a8devminor", $p_dat);
-    if(!$headers) return false;
-
-    $return['checksum'] = OctDec(trim($headers['checksum']));
-    if ($return['checksum'] != $chks) return false;
-
-    $return['filename'] = trim($headers['filename']);
-    $return['mode'] = OctDec(trim($headers['mode']));
-    $return['uid'] = OctDec(trim($headers['uid']));
-    $return['gid'] = OctDec(trim($headers['gid']));
-    $return['size'] = OctDec(trim($headers['size']));
-    $return['mtime'] = OctDec(trim($headers['mtime']));
-    $return['typeflag'] = $headers['typeflag'];
-    $return['link'] = trim($headers['link']);
-    $return['uname'] = trim($headers['uname']);
-    $return['gname'] = trim($headers['gname']);
-
-    return $return;
-  }
-
-  function _fetchFilelist($p_filelist)
-  {
-    if(!$p_filelist || (is_array($p_filelist) && !@count($p_filelist))) return false;
-
-    if(is_string($p_filelist))
-    {
-        $p_filelist = explode('|',$p_filelist);
-        if(!is_array($p_filelist)) $p_filelist = Array($p_filelist);
-    }
-
-    return $p_filelist;
-  }
-
-  function _addFileList($p_fl, $p_addir, $p_remdir)
-  {
-    foreach($p_fl as $file)
-    {
-      if(($file == $this->_nomf && $this->_nomf != ARCHIVE_DYNAMIC) || !$file || (!file_exists($file) && !is_array($file)))
-        continue;
-
-      if (!$this->_addFile($file, $p_addir, $p_remdir))
-        continue;
-
-      if (@is_dir($file))
-      {
-        $d = @opendir($file);
-
-        if(!$d) continue;
-        readdir($d); readdir($d);
-
-        while($f = readdir($d))
-        {
-          if($file != ".") $tmplist[0] = "$file/$f";
-          else $tmplist[0] = $d;
-
-          $this->_addFileList($tmplist, $p_addir, $p_remdir);
-        }
-
-        closedir($d); unset($tmplist,$f);
-      }
-    }
-    return true;
-  }
-
-  function _addFile($p_fn, $p_addir = '', $p_remdir = '')
-  {
-    if(is_array($p_fn)) list($p_fn, $data) = $p_fn;
-    $sname = $p_fn;
-
-    if($p_remdir)
-    {
-        if(substr($p_remdir,-1) != '/') $p_remdir .= "/";
-
-        if(substr($sname, 0, strlen($p_remdir)) == $p_remdir)
-          $sname = substr($sname, strlen($p_remdir));
-    }
-
-    if($p_addir) $sname = $p_addir.(substr($p_addir,-1) == '/' ? '' : "/").$sname;
-
-    if(strlen($sname) > 99) return;
-
-    if(@is_dir($p_fn))
-    {
-      if(!$this->_writeFileHeader($p_fn, $sname)) return false;
-    }
-    else
-    {
-     if(!$data)
-     {
-      $fp = fopen($p_fn, 'rb');
-      if(!$fp) return false;
-     }
-
-     if(!$this->_writeFileHeader($p_fn, $sname, ($data ? strlen($data) : FALSE))) return false;
-
-     if(!$data)
-     {
-      while(!feof($fp))
-      {
-        $packed = pack("a512", fread($fp,512));
-        $this->_write($packed);
-      }
-      fclose($fp);
-     }
-     else
-     {
-      for($s = 0; $s < strlen($data); $s += 512)
-        $this->_write(pack("a512",substr($data,$s,512)));
-     }
-    }
-
-    return true;
-  }
-
-  function _writeFileHeader($p_file, $p_sname, $p_data=false)
-  {
-   if(!$p_data)
-   {
-    if (!$p_sname) $p_sname = $p_file;
-    $p_sname = $this->_pathTrans($p_sname);
-
-    $h_info = stat($p_file);
-    $h[0] = sprintf("%6s ", DecOct($h_info[4]));
-    $h[] = sprintf("%6s ", DecOct($h_info[5]));
-    $h[] = sprintf("%6s ", DecOct(fileperms($p_file)));
-    clearstatcache();
-    $h[] = sprintf("%11s ", DecOct(filesize($p_file)));
-    $h[] = sprintf("%11s", DecOct(filemtime($p_file)));
-
-    $dir = @is_dir($p_file) ? '5' : '';
-   }
-   else
-   {
-    $dir = '';
-    $p_data = sprintf("%11s ", DecOct($p_data));
-    $time = sprintf("%11s ", DecOct(time()));
-    $h = Array("     0 ","     0 "," 40777 ",$p_data,$time);
-   }
-
-    $data_first = pack("a100a8a8a8a12A12", $p_sname, $h[2], $h[0], $h[1], $h[3], $h[4]);
-    $data_last = pack("a1a100a6a2a32a32a8a8a155a12", $dir, '', '', '', '', '', '', '', '', "");
-
-     for ($i=0,$chks=0; $i<148; $i++)
-       $chks += ord($data_first[$i]);
-
-     for ($i=156, $chks+=256, $j=0; $i<512; $i++, $j++)
-       $chks += ord($data_last[$j]);
-
-     $this->_write($data_first);
-
-     $chks = pack("a8",sprintf("%6s ", DecOct($chks)));
-     $this->_write($chks.$data_last);
-
-     return true;
-  }
-
-  function _append($p_filelist, $p_addir="", $p_remdir="")
-  {
-    if(!$this->_fp) if(!$this->_OpenWrite('a')) return -6;
-
-    if($this->_nomf == ARCHIVE_DYNAMIC)
-    {
-      $s = strlen($this->_memdat);
-      $this->_memdat = substr($this->_memdat,0,-512);
-    }
-    else
-    {
-      $s = filesize($this->_nomf);
-      $this->_seek($s-512);
-    }
-
-    $ok = $this->_addFileList($p_filelist, $p_addir, $p_remdir);
-    $this->_writeFooter();
-
-    return $ok;
-  }
-
-  function _pathTrans($p_dir)
-  {
-    if ($p_dir)
-    {
-      $subf = explode("/", $p_dir); $r='';
-
-      for ($i=count($subf)-1; $i>=0; $i--)
-      {
-        if ($subf[$i] == ".") {}
-        else if ($subf[$i] == "..") $i--;
-        else if (!$subf[$i] && $i!=count($subf)-1 && $i) {}
-        else $r = $subf[$i].($i!=(count($subf)-1) ? "/".$r : "");
-      }
-    }
-    return $r;
-  }
-
-  function _writeFooter()
-  {
-    $this->_write(pack("a512", ""));
-  }
-
-  function _extractList($p_to, $p_files, $p_remdir, $p_mode = 0755)
-  {
-    if (!$p_to || ($p_to[0]!="/"&&substr($p_to,0,3)!="../"&&substr($p_to,1,3)!=":\\")) /*" // <- PHP Coder bug */
-      $p_to = "./$p_to";
-
-    if ($p_remdir && substr($p_remdir,-1)!='/') $p_remdir .= '/';
-    $p_remdirs = strlen($p_remdir);
-    while($dat = $this->_read(512))
-    {
-      $headers = $this->_readHeader($dat);
-      if(!$headers['filename']) continue;
-
-      if($p_files == -1 || $p_files[0] == -1) $extract = true;
-      else
-      {
-        $extract = false;
-
-        foreach($p_files as $f)
-        {
-          if(substr($f,-1) == "/") {
-            if((strlen($headers['filename']) > strlen($f)) && (substr($headers['filename'],0,strlen($f))==$f)) {
-              $extract = true; break;
-            }
-          }
-          elseif($f == $headers['filename']) {
-            $extract = true; break;
-          }
-        }
-      }
-
-      if ($extract)
-      {
-        $det[] = $headers;
-        if ($p_remdir && substr($headers['filename'],0,$p_remdirs)==$p_remdir)
-          $headers['filename'] = substr($headers['filename'],$p_remdirs);
-
-        if($headers['filename'].'/' == $p_remdir && $headers['typeflag']=='5') continue;
-
-        if ($p_to != "./" && $p_to != "/")
-        {
-          while($p_to{-1}=="/") $p_to = substr($p_to,0,-1);
-
-          if($headers['filename']{0} == "/")
-            $headers['filename'] = $p_to.$headers['filename'];
-          else
-            $headers['filename'] = $p_to."/".$headers['filename'];
-        }
-
-        $ok = $this->_dirApp($headers['typeflag']=="5" ? $headers['filename'] : dirname($headers['filename']));
-        if($ok < 0) return $ok;
-
-        if (!$headers['typeflag'])
-        {
-          if (!$fp = @fopen($headers['filename'], "wb")) return -6;
-          $n = floor($headers['size']/512);
-
-          for ($i=0; $i<$n; $i++) fwrite($fp, $this->_read(512),512);
-          if (($headers['size'] % 512) != 0) fwrite($fp, $this->_read(512), $headers['size'] % 512);
-
-          fclose($fp);
-          touch($headers['filename'], $headers['mtime']);
-          chmod($headers['filename'], $p_mode);
-        }
-       else
-       {
-         $this->_seek(ceil($headers['size']/512)*512,1);
-       }
-      }else $this->_seek(ceil($headers['size']/512)*512,1);
-    }
-    return $det;
-  }
-
-function _dirApp($d)
-  {
-//  map to dokuwiki function (its more robust)
-    return ap_mkdir($d);  
-/*
-    $d = explode('/', $d);
-    $base = '';
-
-    foreach($d as $f)
-    {
-      if(!is_dir($base.$f))
-      {
-        $ok = @mkdir($base.$f, 0777);
-        if(!$ok) return false;
-      }
-      $base .= "$f/";
-    }
-*/    
-  }
-
-}
-
diff --git a/lib/plugins/plugin/inc/zip.lib.php b/lib/plugins/plugin/inc/zip.lib.php
deleted file mode 100644
index 351b68e70..000000000
--- a/lib/plugins/plugin/inc/zip.lib.php
+++ /dev/null
@@ -1,353 +0,0 @@
-<?php
-
-/**
- * @author     bouchon
- * @link       http://dev.maxg.info
- * @link       http://forum.maxg.info
- *
- *  Modified for Dokuwiki
- *  @author    Christopher Smith <chris@jalakai.co.uk>
- */
-
-class zip
-{
-
- var $datasec, $ctrl_dir = array();
- var $eof_ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00";
- var $old_offset = 0; var $dirs = Array(".");
-
- function get_List($zip_name)
- {
-   $zip = @fopen($zip_name, 'rb');
-   if(!$zip) return(0);
-   $centd = $this->ReadCentralDir($zip,$zip_name);
-
-    @rewind($zip);
-    @fseek($zip, $centd['offset']);
-
-   for ($i=0; $i<$centd['entries']; $i++)
-   {
-    $header = $this->ReadCentralFileHeaders($zip);
-    $header['index'] = $i;$info['filename'] = $header['filename'];
-    $info['stored_filename'] = $header['stored_filename'];
-    $info['size'] = $header['size'];$info['compressed_size']=$header['compressed_size'];
-    $info['crc'] = strtoupper(dechex( $header['crc'] ));
-    $info['mtime'] = $header['mtime']; $info['comment'] = $header['comment'];
-    $info['folder'] = ($header['external']==0x41FF0010||$header['external']==16)?1:0;
-    $info['index'] = $header['index'];$info['status'] = $header['status'];
-    $ret[]=$info; unset($header);
-   }
-  return $ret;
- }
-
- function Add($files,$compact)
- {
-  if(!is_array($files[0])) $files=Array($files);
-
-  for($i=0;$files[$i];$i++){
-    $fn = $files[$i];
-    if(!in_Array(dirname($fn[0]),$this->dirs))
-     $this->add_Dir(dirname($fn[0]));
-    if(basename($fn[0]))
-     $ret[basename($fn[0])]=$this->add_File($fn[1],$fn[0],$compact);
-  }
-  return $ret;
- }
-
- function get_file()
- {
-   $data = implode('', $this -> datasec);
-   $ctrldir = implode('', $this -> ctrl_dir);
-
-   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($data)) . "\x00\x00";
- }
-
- function add_dir($name) 
- { 
-   $name = str_replace("\\", "/", $name); 
-   $fr = "\x50\x4b\x03\x04\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00"; 
-
-   $fr .= pack("V",0).pack("V",0).pack("V",0).pack("v", strlen($name) ); 
-   $fr .= pack("v", 0 ).$name.pack("V", 0).pack("V", 0).pack("V", 0); 
-   $this -> datasec[] = $fr;
-
-   $new_offset = strlen(implode("", $this->datasec)); 
-
-   $cdrec = "\x50\x4b\x01\x02\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00"; 
-   $cdrec .= pack("V",0).pack("V",0).pack("V",0).pack("v", strlen($name) ); 
-   $cdrec .= pack("v", 0 ).pack("v", 0 ).pack("v", 0 ).pack("v", 0 ); 
-   $ext = "\xff\xff\xff\xff"; 
-   $cdrec .= pack("V", 16 ).pack("V", $this -> old_offset ).$name; 
-
-   $this -> ctrl_dir[] = $cdrec; 
-   $this -> old_offset = $new_offset; 
-   $this -> dirs[] = $name;
- }
-
- function add_File($data, $name, $compact = 1)
- {
-   $name     = str_replace('\\', '/', $name);
-   $dtime    = dechex($this->DosTime());
-
-   $hexdtime = '\x' . $dtime[6] . $dtime[7].'\x'.$dtime[4] . $dtime[5]
-     . '\x' . $dtime[2] . $dtime[3].'\x'.$dtime[0].$dtime[1];
-   eval('$hexdtime = "' . $hexdtime . '";');
-
-   if($compact)
-   $fr = "\x50\x4b\x03\x04\x14\x00\x00\x00\x08\x00".$hexdtime;
-   else $fr = "\x50\x4b\x03\x04\x0a\x00\x00\x00\x00\x00".$hexdtime;
-   $unc_len = strlen($data); $crc = crc32($data);
-
-   if($compact){
-     $zdata = gzcompress($data); $c_len = strlen($zdata);
-     $zdata = substr(substr($zdata, 0, strlen($zdata) - 4), 2);
-   }else{
-     $zdata = $data;
-   }
-   $c_len=strlen($zdata);
-   $fr .= pack('V', $crc).pack('V', $c_len).pack('V', $unc_len);
-   $fr .= pack('v', strlen($name)).pack('v', 0).$name.$zdata;
-
-   $fr .= pack('V', $crc).pack('V', $c_len).pack('V', $unc_len);
-
-   $this -> datasec[] = $fr;
-   $new_offset        = strlen(implode('', $this->datasec));
-   if($compact)
-        $cdrec = "\x50\x4b\x01\x02\x00\x00\x14\x00\x00\x00\x08\x00";
-   else $cdrec = "\x50\x4b\x01\x02\x14\x00\x0a\x00\x00\x00\x00\x00";
-   $cdrec .= $hexdtime.pack('V', $crc).pack('V', $c_len).pack('V', $unc_len);
-   $cdrec .= pack('v', strlen($name) ).pack('v', 0 ).pack('v', 0 );
-   $cdrec .= pack('v', 0 ).pack('v', 0 ).pack('V', 32 );
-   $cdrec .= pack('V', $this -> old_offset );
-
-   $this -> old_offset = $new_offset;
-   $cdrec .= $name;
-   $this -> ctrl_dir[] = $cdrec;
-   return true;
- }
-
- function DosTime() {
-   $timearray = getdate();
-   if ($timearray['year'] < 1980) {
-     $timearray['year'] = 1980; $timearray['mon'] = 1;
-     $timearray['mday'] = 1; $timearray['hours'] = 0;
-     $timearray['minutes'] = 0; $timearray['seconds'] = 0;
-   }
-   return (($timearray['year'] - 1980) << 25) | ($timearray['mon'] << 21) |     ($timearray['mday'] << 16) | ($timearray['hours'] << 11) | 
-    ($timearray['minutes'] << 5) | ($timearray['seconds'] >> 1);
- }
-
- function Extract ( $zn, $to, $index = Array(-1) )
- {
-   if(!@is_dir($to)) @mkdir($to,0777);
-   $ok = 0; $zip = @fopen($zn,'rb');
-   if(!$zip) return(-1);
-   $cdir = $this->ReadCentralDir($zip,$zn);
-   $pos_entry = $cdir['offset'];
-
-   if(!is_array($index)){ $index = array($index);  }
-   for($i=0; $index[$i];$i++){
-     if(intval($index[$i])!=$index[$i]||$index[$i]>$cdir['entries'])
-      return(-1);
-   }
-
-   for ($i=0; $i<$cdir['entries']; $i++)
-   {
-     @fseek($zip, $pos_entry);
-     $header = $this->ReadCentralFileHeaders($zip);
-     $header['index'] = $i; $pos_entry = ftell($zip);
-     @rewind($zip); fseek($zip, $header['offset']);
-     if(in_array("-1",$index)||in_array($i,$index))
-      $stat[$header['filename']]=$this->ExtractFile($header, $to, $zip);
-      
-   }
-   fclose($zip);
-   return $stat;
- }
-
-  function ReadFileHeader($zip)
-  {
-    $binary_data = fread($zip, 30);
-    $data = unpack('vchk/vid/vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len', $binary_data);
-
-    $header['filename'] = fread($zip, $data['filename_len']);
-    if ($data['extra_len'] != 0) {
-      $header['extra'] = fread($zip, $data['extra_len']);
-    } else { $header['extra'] = ''; }
-
-    $header['compression'] = $data['compression'];$header['size'] = $data['size'];
-    $header['compressed_size'] = $data['compressed_size'];
-    $header['crc'] = $data['crc']; $header['flag'] = $data['flag'];
-    $header['mdate'] = $data['mdate'];$header['mtime'] = $data['mtime'];
-
-    if ($header['mdate'] && $header['mtime']){
-     $hour=($header['mtime']&0xF800)>>11;$minute=($header['mtime']&0x07E0)>>5;
-     $seconde=($header['mtime']&0x001F)*2;$year=(($header['mdate']&0xFE00)>>9)+1980;
-     $month=($header['mdate']&0x01E0)>>5;$day=$header['mdate']&0x001F;
-     $header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year);
-    }else{$header['mtime'] = time();}
-
-    $header['stored_filename'] = $header['filename'];
-    $header['status'] = "ok";
-    return $header;
-  }
-
- function ReadCentralFileHeaders($zip){
-    $binary_data = fread($zip, 46);
-    $header = unpack('vchkid/vid/vversion/vversion_extracted/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len/vcomment_len/vdisk/vinternal/Vexternal/Voffset', $binary_data);
-
-    if ($header['filename_len'] != 0)
-      $header['filename'] = fread($zip,$header['filename_len']);
-    else $header['filename'] = '';
-
-    if ($header['extra_len'] != 0)
-      $header['extra'] = fread($zip, $header['extra_len']);
-    else $header['extra'] = '';
-
-    if ($header['comment_len'] != 0)
-      $header['comment'] = fread($zip, $header['comment_len']);
-    else $header['comment'] = '';
-
-    if ($header['mdate'] && $header['mtime'])
-    {
-      $hour = ($header['mtime'] & 0xF800) >> 11;
-      $minute = ($header['mtime'] & 0x07E0) >> 5;
-      $seconde = ($header['mtime'] & 0x001F)*2;
-      $year = (($header['mdate'] & 0xFE00) >> 9) + 1980;
-      $month = ($header['mdate'] & 0x01E0) >> 5;
-      $day = $header['mdate'] & 0x001F;
-      $header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year);
-    } else {
-      $header['mtime'] = time();
-    }
-    $header['stored_filename'] = $header['filename'];
-    $header['status'] = 'ok';
-    if (substr($header['filename'], -1) == '/')
-      $header['external'] = 0x41FF0010;
-    return $header;
- }
-
- function ReadCentralDir($zip,$zip_name)
- {
-  $size = filesize($zip_name);
-  if ($size < 277) $maximum_size = $size;
-  else $maximum_size=277;
-
-  @fseek($zip, $size-$maximum_size);
-  $pos = ftell($zip); $bytes = 0x00000000;
-
-  while ($pos < $size)
-  {
-    $byte = @fread($zip, 1); $bytes=($bytes << 8) | Ord($byte);
-    if ($bytes == 0x504b0506){ $pos++; break; } $pos++;
-  }
-
- $data=unpack('vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size',
-        fread($zip, 18));
-
-  if ($data['comment_size'] != 0)
-    $centd['comment'] = fread($zip, $data['comment_size']);
-    else $centd['comment'] = ''; $centd['entries'] = $data['entries'];
-  $centd['disk_entries'] = $data['disk_entries'];
-  $centd['offset'] = $data['offset'];$centd['disk_start'] = $data['disk_start'];
-  $centd['size'] = $data['size'];  $centd['disk'] = $data['disk'];
-  return $centd;
- }
-
- function ExtractFile($header,$to,$zip)
- {
-   $header = $this->readfileheader($zip);
-
-   if(substr($to,-1)!="/") $to.="/";
-   if(substr($header['filename'],-1)=="/")
-   {
-//    @mkdir($to.$header['filename']);   --CS
-    $this->_mkdir($to.$header['filename']);  //-- CS
-    return +2;
-   }
-
-//   $pth = explode("/",dirname($header['filename']));
-//   for($i=0,$tmp="";isset($pth[$i]);$i++){
-//     if(!$pth[$i]) continue;
-//     if(!is_dir($to.$tmp.$pth[$i])) @mkdir($to.$pth[$i],0777);
-//     $tmp.=$pth[$i]."/";
-//   }
-  if (!$this->_mkdir($to.dirname($header['filename']))) return (-1);   //--CS
-
-  if (!($header['external']==0x41FF0010)&&!($header['external']==16))
-  {
-   if ($header['compression']==0)
-   {
-    $fp = @fopen($to.$header['filename'], 'wb');
-    if(!$fp) return(-1);
-    $size = $header['compressed_size'];
-
-    while ($size != 0)
-    {
-      $read_size = ($size < 2048 ? $size : 2048);
-      $buffer = fread($zip, $read_size);
-      $binary_data = pack('a'.$read_size, $buffer);
-      @fwrite($fp, $binary_data, $read_size);
-      $size -= $read_size;
-    }
-    fclose($fp);
-    touch($to.$header['filename'], $header['mtime']);
-
-  }else{
-   if (!is_dir(dirname($to.$header['filename']))) $this->_mkdir(dirname($to.$header['filename']));  //-CS
-   $fp = fopen($to.$header['filename'].'.gz','wb');
-   if(!$fp) return(-1);
-   $binary_data = pack('va1a1Va1a1', 0x8b1f, Chr($header['compression']),
-     Chr(0x00), time(), Chr(0x00), Chr(3));
-
-   fwrite($fp, $binary_data, 10);
-   $size = $header['compressed_size'];
-
-   while ($size != 0)
-   {
-     $read_size = ($size < 1024 ? $size : 1024);
-     $buffer = fread($zip, $read_size);
-     $binary_data = pack('a'.$read_size, $buffer);
-     @fwrite($fp, $binary_data, $read_size);
-     $size -= $read_size;
-   }
-
-   $binary_data = pack('VV', $header['crc'], $header['size']);
-   fwrite($fp, $binary_data,8); fclose($fp);
-
-   $gzp = @gzopen($to.$header['filename'].'.gz','rb');
-    if(!$gzp){
-       @gzclose($gzp); @unlink($to.$header['filename']);
-       die("Archive is compressed whereas ZLIB is not enabled.");
-    }
-   $fp = @fopen($to.$header['filename'],'wb');
-   if(!$fp) return(-1);
-   $size = $header['size'];
-
-   while ($size != 0)
-   {
-     $read_size = ($size < 2048 ? $size : 2048);
-     $buffer = gzread($gzp, $read_size);
-     $binary_data = pack('a'.$read_size, $buffer);
-     @fwrite($fp, $binary_data, $read_size);
-     $size -= $read_size;
-   }
-   fclose($fp); gzclose($gzp);
-
-   touch($to.$header['filename'], $header['mtime']);
-   @unlink($to.$header['filename'].'.gz');
-
-  }}
-  return true;
- }
- 
- //--CS start
- // centralize mkdir calls and use dokuwiki io functions  
- function _mkdir($d) {
-    return ap_mkdir($d);  
- }
- //--CS end
-}
-
-- 
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