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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\RemoteStorage\Driver\Adapter;
use League\Flysystem\FilesystemAdapter;
use League\Flysystem\FilesystemException;
use League\Flysystem\UnableToRetrieveMetadata;
use Magento\RemoteStorage\Driver\Adapter\Cache\CacheInterface;
/**
* Metadata provider for filesystem storage.
*/
class MetadataProvider implements MetadataProviderInterface
{
/**
* @var FilesystemAdapter
*/
private $adapter;
/**
* @var Cache\CacheInterface
*/
private $cache;
/**
* MetadataProvider constructor.
*
* @param FilesystemAdapter $adapter
* @param Cache\CacheInterface $cache
*/
public function __construct(
FilesystemAdapter $adapter,
CacheInterface $cache
) {
$this->adapter = $adapter;
$this->cache = $cache;
}
/**
* Check is the given path an existing directory.
*
* @param string $path
* @return bool
*/
private function isDirectory($path): bool
{
try {
return iterator_count($this->adapter->listContents($path, false)) > 0;
} catch (\Throwable $e) {
// catch closed iterator
return false;
}
}
/**
* @inheritdoc
*/
public function getMetadata(string $path): array
{
// phpcs:disable Magento2.Functions.DiscouragedFunction
$metadata = $this->cache->getMetadata($path);
if (isset($metadata['type']) && ($metadata['type'] == 'dir' || $this->isMetadataComplete($metadata))) {
return $metadata;
}
try {
$meta = $this->adapter->lastModified($path);
} catch (UnableToRetrieveMetadata $e) {
if ($this->isDirectory($path)) {
$data = [
'path' => $path,
'type' => 'dir',
'size' => null,
'timestamp' => null,
'visibility' => null,
'mimetype' => null,
'dirname' => dirname($path),
'basename' => basename($path),
];
$this->cache->updateMetadata($path, $data, true);
return $data;
} else {
throw new UnableToRetrieveMetadata(
"Unable to retrieve metadata for file at location: {$path}. {$e->getMessage()}",
0,
$e
);
}
} catch (\InvalidArgumentException | FilesystemException $e) {
throw new UnableToRetrieveMetadata(
"Unable to retrieve metadata for file at location: {$path}. {$e->getMessage()}",
0,
$e
);
}
$data = [
'path' => $path,
'type' => $meta->type(),
'size' => $meta->fileSize(),
'timestamp' => $meta->lastModified(),
'visibility' => $meta->visibility(),
'mimetype' => $meta->mimeType(),
'dirname' => dirname($meta->path()),
'basename' => basename($meta->path(), '.' . pathinfo($path, PATHINFO_EXTENSION)),
];
// phpcs:enable Magento2.Functions.DiscouragedFunction
$extraMetadata = $meta->extraMetadata();
if (isset($extraMetadata['Metadata']['image-width']) && isset($extraMetadata['Metadata']['image-height'])) {
$data['extra'] = $extraMetadata['Metadata'];
}
$this->cache->updateMetadata($path, $data, true);
return $data;
}
/**
* Check is the metadata structure complete.
*
* @param array $metadata
* @return bool
*/
private function isMetadataComplete($metadata)
{
$keys = ['type', 'size', 'timestamp', 'visibility', 'mimetype', 'dirname', 'basename'];
foreach ($keys as $key) {
if (!array_key_exists($key, $metadata)) {
return false;
}
}
return true;
}
}