File Content: AbstractOpenXML.php <?php /** * Zend Framework (http://framework.zend.com/) * * @link http://github.com/zendframework/zf2 for the canonical source repository * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License * @package Zend_Search */ namespace PleskCatalog\ZendSearch\Lucene\Document; use PleskCatalog\ZendSearch\Lucene\Document; /** * OpenXML document. * * @category Zend * @package Zend_Search_Lucene * @subpackage Document */ abstract class AbstractOpenXML extends 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 AbstractOpenXML package * @return array Key-value pairs containing document meta data */ protected function extractMetaData(\ZipArchive $package) { // Data holders $coreProperties = array(); if (\LIBXML_VERSION < 20900) { // Prevent php from loading remote resources $loadEntities = \libxml_disable_entity_loader(\true); } // Read relations and search for core properties $relations = \simplexml_load_string($package->getFromName("_rels/.rels")); if (\LIBXML_VERSION < 20900) { // Restore entity loader state \libxml_disable_entity_loader($loadEntities); } foreach ($relations->Relationship as $rel) { if ($rel["Type"] == self::SCHEMA_COREPROPERTIES) { // Found core properties! Read in contents... $contents = \simplexml_load_string($package->getFromName(\dirname($rel["Target"]) . "/" . \basename($rel["Target"]))); foreach ($contents->children(self::SCHEMA_DUBLINCORE) as $child) { $coreProperties[$child->getName()] = (string) $child; } foreach ($contents->children(self::SCHEMA_COREPROPERTIES) as $child) { $coreProperties[$child->getName()] = (string) $child; } foreach ($contents->children(self::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); } } Submit