109 lines
3.7 KiB
PHP
109 lines
3.7 KiB
PHP
<?php
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namespace Pterodactyl\Http\Controllers\Api\Remote\Backups;
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use Carbon\CarbonImmutable;
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use Illuminate\Http\Request;
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use Pterodactyl\Models\Backup;
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use Illuminate\Http\JsonResponse;
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use League\Flysystem\AwsS3v3\AwsS3Adapter;
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use Pterodactyl\Http\Controllers\Controller;
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use Pterodactyl\Extensions\Backups\BackupManager;
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use Pterodactyl\Repositories\Eloquent\BackupRepository;
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use Symfony\Component\HttpKernel\Exception\ConflictHttpException;
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use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
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class BackupRemoteUploadController extends Controller
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{
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public const PART_SIZE = 5 * 1024 * 1024 * 1024;
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/**
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* @var \Pterodactyl\Repositories\Eloquent\BackupRepository
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*/
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private $repository;
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/**
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* @var \Pterodactyl\Extensions\Backups\BackupManager
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*/
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private $backupManager;
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/**
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* BackupRemoteUploadController constructor.
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*/
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public function __construct(BackupRepository $repository, BackupManager $backupManager)
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{
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$this->repository = $repository;
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$this->backupManager = $backupManager;
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}
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/**
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* Returns the required presigned urls to upload a backup to S3 cloud storage.
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*
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* @return \Illuminate\Http\JsonResponse
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*
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* @throws \Exception
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* @throws \Throwable
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* @throws \Illuminate\Database\Eloquent\ModelNotFoundException
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*/
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public function __invoke(Request $request, string $backup)
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{
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// Get the size query parameter.
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$size = (int) $request->query('size');
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if (empty($size)) {
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throw new BadRequestHttpException('A non-empty "size" query parameter must be provided.');
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}
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/** @var \Pterodactyl\Models\Backup $backup */
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$backup = Backup::query()->where('uuid', $backup)->firstOrFail();
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// Prevent backups that have already been completed from trying to
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// be uploaded again.
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if (!is_null($backup->completed_at)) {
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throw new ConflictHttpException('This backup is already in a completed state.');
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}
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// Ensure we are using the S3 adapter.
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$adapter = $this->backupManager->adapter();
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if (!$adapter instanceof AwsS3Adapter) {
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throw new BadRequestHttpException('The configured backup adapter is not an S3 compatible adapter.');
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}
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// The path where backup will be uploaded to
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$path = sprintf('%s/%s.tar.gz', $backup->server->uuid, $backup->uuid);
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// Get the S3 client
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$client = $adapter->getClient();
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$expires = CarbonImmutable::now()->addMinutes(config('backups.presigned_url_lifespan', 60));
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// Params for generating the presigned urls
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$params = [
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'Bucket' => $adapter->getBucket(),
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'Key' => $path,
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'ContentType' => 'application/x-gzip',
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];
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// Execute the CreateMultipartUpload request
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$result = $client->execute($client->getCommand('CreateMultipartUpload', $params));
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// Get the UploadId from the CreateMultipartUpload request, this is needed to create
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// the other presigned urls.
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$params['UploadId'] = $result->get('UploadId');
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// Create as many UploadPart presigned urls as needed
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$parts = [];
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for ($i = 0; $i < ($size / self::PART_SIZE); ++$i) {
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$parts[] = $client->createPresignedRequest(
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$client->getCommand('UploadPart', array_merge($params, ['PartNumber' => $i + 1])),
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$expires
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)->getUri()->__toString();
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}
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// Set the upload_id on the backup in the database.
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$backup->update(['upload_id' => $params['UploadId']]);
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return new JsonResponse([
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'parts' => $parts,
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'part_size' => self::PART_SIZE,
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]);
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}
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}
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