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<?php
/**
* SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OC\Files\ObjectStore;
use OCP\Files\ObjectStore\IObjectStore;
use OCP\Files\Storage\IStorage;
use function is_resource;
/**
* Object store that wraps a storage backend, mostly for testing purposes
*/
class StorageObjectStore implements IObjectStore {
/** @var IStorage */
private $storage;
/**
* @param IStorage $storage
*/
public function __construct(IStorage $storage) {
$this->storage = $storage;
}
/**
* @return string the container or bucket name where objects are stored
* @since 7.0.0
*/
public function getStorageId(): string {
return $this->storage->getId();
}
/**
* @param string $urn the unified resource name used to identify the object
* @return resource stream with the read data
* @throws \Exception when something goes wrong, message will be logged
* @since 7.0.0
*/
public function readObject($urn) {
$handle = $this->storage->fopen($urn, 'r');
if (is_resource($handle)) {
return $handle;
}
throw new \Exception();
}
public function writeObject($urn, $stream, ?string $mimetype = null) {
$handle = $this->storage->fopen($urn, 'w');
if ($handle) {
stream_copy_to_stream($stream, $handle);
fclose($handle);
} else {
throw new \Exception();
}
}
/**
* @param string $urn the unified resource name used to identify the object
* @return void
* @throws \Exception when something goes wrong, message will be logged
* @since 7.0.0
*/
public function deleteObject($urn) {
$this->storage->unlink($urn);
}
public function objectExists($urn) {
return $this->storage->file_exists($urn);
}
public function copyObject($from, $to) {
$this->storage->copy($from, $to);
}
}
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