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<?php
namespace PhpOffice\PhpSpreadsheet\Reader\Xlsx;
use PhpOffice\PhpSpreadsheet\Document\Properties as DocumentProperties;
use PhpOffice\PhpSpreadsheet\Reader\Security\XmlScanner;
use PhpOffice\PhpSpreadsheet\Settings;
use SimpleXMLElement;
class Properties
{
private $securityScanner;
private $docProps;
public function __construct(XmlScanner $securityScanner, DocumentProperties $docProps)
{
$this->securityScanner = $securityScanner;
$this->docProps = $docProps;
}
private function extractPropertyData($propertyData)
{
return simplexml_load_string(
$this->securityScanner->scan($propertyData),
'SimpleXMLElement',
Settings::getLibXmlLoaderOptions()
);
}
public function readCoreProperties($propertyData): void
{
$xmlCore = $this->extractPropertyData($propertyData);
if (is_object($xmlCore)) {
$xmlCore->registerXPathNamespace('dc', 'http://purl.org/dc/elements/1.1/');
$xmlCore->registerXPathNamespace('dcterms', 'http://purl.org/dc/terms/');
$xmlCore->registerXPathNamespace('cp', 'http://schemas.openxmlformats.org/package/2006/metadata/core-properties');
$this->docProps->setCreator((string) self::getArrayItem($xmlCore->xpath('dc:creator')));
$this->docProps->setLastModifiedBy((string) self::getArrayItem($xmlCore->xpath('cp:lastModifiedBy')));
$this->docProps->setCreated(strtotime(self::getArrayItem($xmlCore->xpath('dcterms:created')))); //! respect xsi:type
$this->docProps->setModified(strtotime(self::getArrayItem($xmlCore->xpath('dcterms:modified')))); //! respect xsi:type
$this->docProps->setTitle((string) self::getArrayItem($xmlCore->xpath('dc:title')));
$this->docProps->setDescription((string) self::getArrayItem($xmlCore->xpath('dc:description')));
$this->docProps->setSubject((string) self::getArrayItem($xmlCore->xpath('dc:subject')));
$this->docProps->setKeywords((string) self::getArrayItem($xmlCore->xpath('cp:keywords')));
$this->docProps->setCategory((string) self::getArrayItem($xmlCore->xpath('cp:category')));
}
}
public function readExtendedProperties($propertyData): void
{
$xmlCore = $this->extractPropertyData($propertyData);
if (is_object($xmlCore)) {
if (isset($xmlCore->Company)) {
$this->docProps->setCompany((string) $xmlCore->Company);
}
if (isset($xmlCore->Manager)) {
$this->docProps->setManager((string) $xmlCore->Manager);
}
}
}
public function readCustomProperties($propertyData): void
{
$xmlCore = $this->extractPropertyData($propertyData);
if (is_object($xmlCore)) {
foreach ($xmlCore as $xmlProperty) {
/** @var SimpleXMLElement $xmlProperty */
$cellDataOfficeAttributes = $xmlProperty->attributes();
if (isset($cellDataOfficeAttributes['name'])) {
$propertyName = (string) $cellDataOfficeAttributes['name'];
$cellDataOfficeChildren = $xmlProperty->children('http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes');
$attributeType = $cellDataOfficeChildren->getName();
$attributeValue = (string) $cellDataOfficeChildren->{$attributeType};
$attributeValue = DocumentProperties::convertProperty($attributeValue, $attributeType);
$attributeType = DocumentProperties::convertPropertyType($attributeType);
$this->docProps->setCustomProperty($propertyName, $attributeValue, $attributeType);
}
}
}
}
private static function getArrayItem(array $array, $key = 0)
{
return $array[$key] ?? null;
}
}
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