odtindexer.class.php

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<?php
/**
* @package ODT_Indexer
* @copyright (C) 2006 Websmurf
* @author Websmurf
*
* --------------------------------------------------------------------------------
* All rights reserved.  ODT Indexer is a component for Joomla and Mambo.
* You can use it to search through ODT files
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the Creative Commons - Attribution-NoDerivs 2.5
* license as published by the Creative Commons Organisation
* http://creativecommons.org/licenses/by-nd/2.5/.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* --------------------------------------------------------------------------------
**/

// ensure this file is being included by a parent file
defined( '_VALID_MOS' ) or die( 'Direct Access to this location is not allowed.' );

class indexer{

  function showIndex(){
    global $database, $mainframe, $option;

    $limit = $mainframe->getUserStateFromRequest("limit.$option", "limit", $mainframe->getCfg('list_limit'));
    $limitstart = $mainframe->getUserStateFromRequest("limitstart.$option", "limitstart", 0);

    $basequery = "SELECT * FROM #__odtindex ORDER BY path";

    $query = str_replace("*", "COUNT(1)", $basequery);
    $database->setQuery($query);
    $total = $database->loadResult();
    echo $database->getErrorMsg();

    require_once( $mainframe->getCfg('absolute_path') . '/administrator/includes/pageNavigation.php' );
    $pageNav = new mosPageNav($total, $limitstart, $limit);

    $query = $basequery . " LIMIT $limitstart, $limit";
    $database->setQuery($query);
    $rows = $database->loadObjectList();
    echo $database->getErrorMsg();

    HTML_indexer::showIndex($rows, $pageNav);
  }

  function editIndex($id){
    global $database, $mainframe, $option;

    if(!is_writable($mainframe->getCfg('absolute_path') . '/cache')){
      mosRedirect('index2.php?option=' . $option, "Please make sure the /cache directory is writable");
      return;
    }

    $row = new dbODTIndex($database);
    $row->load($id);

    HTML_indexer::editIndex($row);
  }

  function saveIndex(){
    global $database, $mainframe, $option, $task;

    $row = new dbODTIndex($database);
    $row->bind($_POST);

    //do indexing
    $row->content = indexer::getContent($row->path);

		$row->indexed = date('Y-m-d H:i:s');

    //save
    if (!$row->store()) {
  		echo "<script> alert('".$row->getError()."'); window.history.go(-1); </script>\n";
  		exit();
  	}

//  	return;
  	switch ($task){
  	  case 'apply':
        mosRedirect('index2.php?option=' . $option . '&task=edit&cid=' . $row->id, 'Document saved');
  	    break;
  	  case 'save':
  	    mosRedirect('index2.php?option=' . $option, 'Document saved');
  	    break;
  	}
  }
  
  function getContent($path){
    global $mainframe;
    
    $iswin = (substr(PHP_OS, 0, 3) == 'WIN');
    require_once( $mainframe->getCfg('absolute_path') . '/administrator/includes/pcl/pclzip.lib.php' );
		require_once( $mainframe->getCfg('absolute_path') . '/administrator/includes/pcl/pclerror.lib.php' );
    
		if(!file_exists($mainframe->getCfg('absolute_path') . '/' . $path)){
		  echo "<script> alert('File $row->path does not exist'); window.history.go(-1); </script>\n";
    	exit();
		}

		$zipfile = new PclZip( $mainframe->getCfg('absolute_path') . '/' . $path );

		if($iswin) {
			define('OS_WINDOWS',1);
		} else {
			define('OS_WINDOWS',0);
		}
		
		$extension = explode(".", $path);
		$ext = $extension[sizeof($extension) - 1];
		
		$files = $zipfile->listContent();

		if(!file_exists($mainframe->getCfg('absolute_path') . '/cache/' . md5($path))){
  		if(!mkdir($mainframe->getCfg('absolute_path') . '/cache/' . md5($path))){
  		  echo "<script> alert('Failed to create temporary directory'); window.history.go(-1); </script>\n";
    		exit();
  		}
		}

		require_once( $mainframe->getCfg('absolute_path') . '/includes/domit/xml_domit_lite_include.php' );

//		$ret = $zipfile->extract( PCLZIP_OPT_PATH, $mainframe->getCfg('absolute_path') . '/cache/' . md5($row->path) . '/' );

		$xmlDoc = new DOMIT_Lite_Document();
		$xmlDoc->resolveErrors( true );

//		print_r ($zipfile->listContent());
		
		if($ext == 'odt'){
		  //file to look for: content.xml
		  $index = -1;
		  for($i=0,$n=count($files);$i<$n;$i++){
		    if($files[$i]['filename'] == "content.xml"){
		      $index = $files[$i]['index'];
		      break;
		    }
		  }
		  
		  $ret = $zipfile->extractByIndex($index, PCLZIP_OPT_PATH, $mainframe->getCfg('absolute_path') . '/cache/' . md5($path) . '/');
		  
  		if (!$xmlDoc->loadXML( $mainframe->getCfg('absolute_path') . '/cache/' . md5($path) . '/content.xml', false, true )) {
  			echo "<script> alert('Failed to read document content'); window.history.go(-1); </script>\n";
    		exit();
  		}
		} else if($ext == 'docx'){
		  //file to look for: word/document.xml
		  $index = -1;
		  for($i=0,$n=count($files);$i<$n;$i++){
		    if($files[$i]['filename'] == "word/document.xml"){
		      $index = $files[$i]['index'];
		      break;
		    }
		  }
//		  echo "|" . intval($index) ."|";
		  $ret = $zipfile->extractByIndex($index, PCLZIP_OPT_PATH, $mainframe->getCfg('absolute_path') . '/cache/' . md5($path) . '/');
		  
//		  die;
  		if (!$xmlDoc->loadXML( $mainframe->getCfg('absolute_path') . '/cache/' . md5($path) . '/word/document.xml', false, true )) {
  			echo "<script> alert('Failed to read document content'); window.history.go(-1); </script>\n";
    		exit();
  		}
		}
		$root = &$xmlDoc->documentElement;

		$files = mosReadDirectory($mainframe->getCfg('absolute_path') . '/cache/' . md5($path), '.', true, true);
		$dirs = array();
		$dirs[] = $mainframe->getCfg('absolute_path') . '/cache/' . md5($path);
		for($i=0,$n=count($files);$i<$n;$i++){
//		  echo 'delete: ' . $files[$i] . '<br />';
		  if(!unlink($files[$i])){
		    $dirs[] = $files[$i];
		  }
		}
		rsort($dirs);
		for($i=0,$n=count($dirs);$i<$n;$i++){
//		  echo 'delete: ' . $dirs[$i] . '<br />';
		  rmdir($dirs[$i]);
		}
		
		return $root->getText();
  }

  /**
   * Remove file(s) from the indexed files
   *
   * @param array $ids
   */
  function removeIndex($ids){
    global $database, $mainframe, $option;

    $row = new dbODTIndex($database);

    for($i=0,$n=count($ids);$i<$n;$i++){
      $row->delete($ids[$i]);
    }

    mosRedirect('index2.php?option=' . $option, 'Document(s) removed');
  }
  
  /**
   * Update index of indexed files
   *
   * @param array $ids
   */
  function updateIndex($ids){
    global $database, $mainframe, $option;

    $row = new dbODTIndex($database);

    for($i=0,$n=count($ids);$i<$n;$i++){
      $row->load($ids[$i]);
      
      $row->content = indexer::getContent($row->path);

  		$row->indexed = date('Y-m-d H:i:s');
  
      //save
      if (!$row->store()) {
    		echo "<script> alert('".$row->getError()."'); window.history.go(-1); </script>\n";
    		exit();
    	}
    }

    mosRedirect('index2.php?option=' . $option, 'Document(s) updated');
  }
}

class dbODTIndex extends mosDBTable {
  /** @var int ID **/
  var $id = null;
  /** @var string name **/
  var $name = null;
  /** @var string path **/
  var $path = null;
  /** @var text content **/
  var $content = null;
  /** @var datetime indexed **/
  var $indexed = null;

  function dbODTIndex(&$db){
    $this->mosDBTable('#__odtindex', 'id', $db);
  }
}
?>