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|
<?php
namespace OC\Metadata\Provider;
use OC\Metadata\FileMetadata;
use OC\Metadata\IMetadataProvider;
use OCP\Files\File;
class ExifProvider implements IMetadataProvider {
public static function groupsProvided(): array {
return ['size'];
}
public static function isAvailable(): bool {
return extension_loaded('exif');
}
public function execute(File $file): array {
$fileDescriptor = $file->fopen('rb');
$data = exif_read_data($fileDescriptor, 'COMPUTED', true);
$size = new FileMetadata();
$size->setGroupName('size');
$size->setId($file->getId());
$size->setMetadata([]);
if (!$data) {
$sizeResult = getimagesizefromstring($file->getContent());
if ($sizeResult !== false) {
$size->setMetadata([
'width' => $sizeResult[0],
'height' => $sizeResult[1],
]);
}
return [
'size' => $size,
];
}
if (array_key_exists('COMPUTED', $data)
&& array_key_exists('Width', $data['COMPUTED'])
&& array_key_exists('Height', $data['COMPUTED'])
) {
$size->setMetadata([
'width' => $data['COMPUTED']['Width'],
'height' => $data['COMPUTED']['Height'],
]);
}
return [
'size' => $size,
];
}
public static function getMimetypesSupported(): string {
return '/image\/.*/';
}
}
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