File indexing completed on 2025-01-19 05:21:25

 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Search_Lucene
  * @subpackage Document
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 
 /** Zend_Search_Lucene_Document */
 // require_once 'Zend/Search/Lucene/Document.php';
 
 /** Zend_Xml_Security */
 // require_once 'Zend/Xml/Security.php';
 
 /**
  * OpenXML document.
  *
  * @category   Zend
  * @package    Zend_Search_Lucene
  * @subpackage Document
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 abstract class Zend_Search_Lucene_Document_OpenXml extends Zend_Search_Lucene_Document
 {
     /**
      * Xml Schema - Relationships
      *
      * @var string
      */
     const SCHEMA_RELATIONSHIP = 'http://schemas.openxmlformats.org/package/2006/relationships';
 
     /**
      * Xml Schema - Office document
      *
      * @var string
      */
     const SCHEMA_OFFICEDOCUMENT = 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument';
 
     /**
      * Xml Schema - Core properties
      *
      * @var string
      */
     const SCHEMA_COREPROPERTIES = 'http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties';
 
     /**
      * Xml Schema - Dublin Core
      *
      * @var string
      */
     const SCHEMA_DUBLINCORE = 'http://purl.org/dc/elements/1.1/';
 
     /**
      * Xml Schema - Dublin Core Terms
      *
      * @var string
      */
     const SCHEMA_DUBLINCORETERMS = 'http://purl.org/dc/terms/';
 
     /**
      * Extract metadata from document
      *
      * @param ZipArchive $package    ZipArchive OpenXML package
      * @return array    Key-value pairs containing document meta data
      */
     protected function extractMetaData(ZipArchive $package)
     {
         // Data holders
         $coreProperties = array();
 
         // Read relations and search for core properties
         $relations = Zend_Xml_Security::scan($package->getFromName("_rels/.rels"));
         foreach ($relations->Relationship as $rel) {
             if ($rel["Type"] == Zend_Search_Lucene_Document_OpenXml::SCHEMA_COREPROPERTIES) {
                 // Found core properties! Read in contents...
                 $contents = Zend_Xml_Security::scan(
                     $package->getFromName(dirname($rel["Target"]) . "/" . basename($rel["Target"]))
                 );
 
                 foreach ($contents->children(Zend_Search_Lucene_Document_OpenXml::SCHEMA_DUBLINCORE) as $child) {
                     $coreProperties[$child->getName()] = (string)$child;
                 }
                 foreach ($contents->children(Zend_Search_Lucene_Document_OpenXml::SCHEMA_COREPROPERTIES) as $child) {
                     $coreProperties[$child->getName()] = (string)$child;
                 }
                 foreach ($contents->children(Zend_Search_Lucene_Document_OpenXml::SCHEMA_DUBLINCORETERMS) as $child) {
                     $coreProperties[$child->getName()] = (string)$child;
                 }
             }
         }
 
         return $coreProperties;
     }
 
     /**
      * Determine absolute zip path
      *
      * @param string $path
      * @return string
      */
     protected function absoluteZipPath($path) {
         $path = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $path);
         $parts = array_filter(explode(DIRECTORY_SEPARATOR, $path), 'strlen');
         $absolutes = array();
         foreach ($parts as $part) {
             if ('.' == $part) continue;
             if ('..' == $part) {
                 array_pop($absolutes);
             } else {
                 $absolutes[] = $part;
             }
         }
         return implode('/', $absolutes);
     }
 }