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131 lines
3.6 KiB
PHP
131 lines
3.6 KiB
PHP
<?php
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/**
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* SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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namespace OC\Files\ObjectStore;
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use Aws\Result;
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use Exception;
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use OCP\Files\ObjectStore\IObjectStore;
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use OCP\Files\ObjectStore\IObjectStoreMetaData;
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use OCP\Files\ObjectStore\IObjectStoreMultiPartUpload;
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class S3 implements IObjectStore, IObjectStoreMultiPartUpload, IObjectStoreMetaData {
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use S3ConnectionTrait;
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use S3ObjectTrait;
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public function __construct(array $parameters) {
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$parameters['primary_storage'] = true;
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$this->parseParams($parameters);
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}
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/**
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* @return string the container or bucket name where objects are stored
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* @since 7.0.0
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*/
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public function getStorageId() {
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return $this->id;
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}
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public function initiateMultipartUpload(string $urn): string {
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$upload = $this->getConnection()->createMultipartUpload([
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'Bucket' => $this->bucket,
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'Key' => $urn,
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] + $this->getSSECParameters());
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$uploadId = $upload->get('UploadId');
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if ($uploadId === null) {
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throw new Exception('No upload id returned');
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}
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return (string)$uploadId;
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}
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public function uploadMultipartPart(string $urn, string $uploadId, int $partId, $stream, $size): Result {
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return $this->getConnection()->uploadPart([
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'Body' => $stream,
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'Bucket' => $this->bucket,
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'Key' => $urn,
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'ContentLength' => $size,
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'PartNumber' => $partId,
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'UploadId' => $uploadId,
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] + $this->getSSECParameters());
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}
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public function getMultipartUploads(string $urn, string $uploadId): array {
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$parts = [];
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$isTruncated = true;
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$partNumberMarker = 0;
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while ($isTruncated) {
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$result = $this->getConnection()->listParts([
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'Bucket' => $this->bucket,
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'Key' => $urn,
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'UploadId' => $uploadId,
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'MaxParts' => 1000,
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'PartNumberMarker' => $partNumberMarker,
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] + $this->getSSECParameters());
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$parts = array_merge($parts, $result->get('Parts') ?? []);
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$isTruncated = $result->get('IsTruncated');
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$partNumberMarker = $result->get('NextPartNumberMarker');
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}
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return $parts;
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}
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public function completeMultipartUpload(string $urn, string $uploadId, array $result): int {
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$this->getConnection()->completeMultipartUpload([
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'Bucket' => $this->bucket,
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'Key' => $urn,
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'UploadId' => $uploadId,
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'MultipartUpload' => ['Parts' => $result],
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] + $this->getSSECParameters());
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$stat = $this->getConnection()->headObject([
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'Bucket' => $this->bucket,
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'Key' => $urn,
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] + $this->getSSECParameters());
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return (int)$stat->get('ContentLength');
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}
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public function abortMultipartUpload($urn, $uploadId): void {
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$this->getConnection()->abortMultipartUpload([
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'Bucket' => $this->bucket,
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'Key' => $urn,
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'UploadId' => $uploadId,
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]);
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}
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public function getObjectMetaData(string $urn): array {
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$object = $this->getConnection()->headObject([
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'Bucket' => $this->bucket,
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'Key' => $urn
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] + $this->getSSECParameters())->toArray();
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return [
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'mtime' => $object['LastModified'],
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'etag' => trim($object['ETag'], '"'),
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'size' => (int)($object['Size'] ?? $object['ContentLength']),
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];
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}
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public function listObjects(string $prefix = ''): \Iterator {
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$results = $this->getConnection()->getPaginator('ListObjectsV2', [
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'Bucket' => $this->bucket,
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'Prefix' => $prefix,
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] + $this->getSSECParameters());
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foreach ($results as $result) {
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if (is_array($result['Contents'])) {
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foreach ($result['Contents'] as $object) {
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yield [
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'urn' => basename($object['Key']),
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'metadata' => [
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'mtime' => $object['LastModified'],
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'etag' => trim($object['ETag'], '"'),
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'size' => (int)($object['Size'] ?? $object['ContentLength']),
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],
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];
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}
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}
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}
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}
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}
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