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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 Aws\Result;
use Exception;
use OCP\Files\ObjectStore\IObjectStore;
use OCP\Files\ObjectStore\IObjectStoreMultiPartUpload;
class S3 implements IObjectStore, IObjectStoreMultiPartUpload {
use S3ConnectionTrait;
use S3ObjectTrait;
public function __construct($parameters) {
$parameters['primary_storage'] = true;
$this->parseParams($parameters);
}
/**
* @return string the container or bucket name where objects are stored
* @since 7.0.0
*/
public function getStorageId() {
return $this->id;
}
public function initiateMultipartUpload(string $urn): string {
$upload = $this->getConnection()->createMultipartUpload([
'Bucket' => $this->bucket,
'Key' => $urn,
] + $this->getSSECParameters());
$uploadId = $upload->get('UploadId');
if ($uploadId === null) {
throw new Exception('No upload id returned');
}
return (string)$uploadId;
}
public function uploadMultipartPart(string $urn, string $uploadId, int $partId, $stream, $size): Result {
return $this->getConnection()->uploadPart([
'Body' => $stream,
'Bucket' => $this->bucket,
'Key' => $urn,
'ContentLength' => $size,
'PartNumber' => $partId,
'UploadId' => $uploadId,
] + $this->getSSECParameters());
}
public function getMultipartUploads(string $urn, string $uploadId): array {
$parts = [];
$isTruncated = true;
$partNumberMarker = 0;
while ($isTruncated) {
$result = $this->getConnection()->listParts([
'Bucket' => $this->bucket,
'Key' => $urn,
'UploadId' => $uploadId,
'MaxParts' => 1000,
'PartNumberMarker' => $partNumberMarker
] + $this->getSSECParameters());
$parts = array_merge($parts, $result->get('Parts') ?? []);
$isTruncated = $result->get('IsTruncated');
$partNumberMarker = $result->get('NextPartNumberMarker');
}
return $parts;
}
public function completeMultipartUpload(string $urn, string $uploadId, array $result): int {
$this->getConnection()->completeMultipartUpload([
'Bucket' => $this->bucket,
'Key' => $urn,
'UploadId' => $uploadId,
'MultipartUpload' => ['Parts' => $result],
] + $this->getSSECParameters());
$stat = $this->getConnection()->headObject([
'Bucket' => $this->bucket,
'Key' => $urn,
] + $this->getSSECParameters());
return (int)$stat->get('ContentLength');
}
public function abortMultipartUpload($urn, $uploadId): void {
$this->getConnection()->abortMultipartUpload([
'Bucket' => $this->bucket,
'Key' => $urn,
'UploadId' => $uploadId
]);
}
}
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