Switch to s3 multipart uploads for backups

app/Http/Controllers/Api/Remote/Backups/BackupRemoteUploadController.php

@@ -0,0 +1,131 @@
+<?php
+
+namespace Pterodactyl\Http\Controllers\Api\Remote\Backups;
+
+use Carbon\CarbonImmutable;
+use Illuminate\Http\Request;
+use Illuminate\Http\JsonResponse;
+use League\Flysystem\AwsS3v3\AwsS3Adapter;
+use Pterodactyl\Http\Controllers\Controller;
+use Pterodactyl\Extensions\Backups\BackupManager;
+use Pterodactyl\Repositories\Eloquent\BackupRepository;
+
+class BackupRemoteUploadController extends Controller
+{
+    // I would use 1024 but I'm unsure if AWS or other S3 servers,
+    // use SI gigabyte (base 10), or the proper IEC gibibyte (base 2).
+    // const PART_SIZE = 5 * 1000 * 1000 * 1000;
+    const PART_SIZE = 5 * 1024 * 1024 * 1024;
+
+    /**
+     * @var \Pterodactyl\Repositories\Eloquent\BackupRepository
+     */
+    private $repository;
+
+    /**
+     * @var \Pterodactyl\Extensions\Backups\BackupManager
+     */
+    private $backupManager;
+
+    /**
+     * BackupRemoteUploadController constructor.
+     *
+     * @param \Pterodactyl\Repositories\Eloquent\BackupRepository $repository
+     * @param \Pterodactyl\Extensions\Backups\BackupManager $backupManager
+     */
+    public function __construct(BackupRepository $repository, BackupManager $backupManager)
+    {
+        $this->repository = $repository;
+        $this->backupManager = $backupManager;
+    }
+
+    /**
+     * ?
+     *
+     * @param \Illuminate\Http\Request $request
+     * @param string $backup
+     *
+     * @return \Illuminate\Http\JsonResponse
+     *
+     * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
+     * @throws \Exception
+     */
+    public function __invoke(Request $request, string $backup)
+    {
+        $size = $request->query('size', null);
+        if ($size === null) {
+            return new JsonResponse([], JsonResponse::HTTP_BAD_REQUEST);
+        }
+
+        /** @var \Pterodactyl\Models\Backup $model */
+        $model = $this->repository->findFirstWhere([[ 'uuid', '=', $backup ]]);
+
+        // Prevent backups that have already been completed from trying to
+        // be uploaded again.
+        if (! is_null($model->completed_at)) {
+            return new JsonResponse([], JsonResponse::HTTP_CONFLICT);
+        }
+
+        // Ensure we are using the S3 adapter.
+        $adapter = $this->backupManager->adapter();
+        if (! $adapter instanceof AwsS3Adapter) {
+            return new JsonResponse([], JsonResponse::HTTP);
+        }
+
+        $path = sprintf('%s/%s.tar.gz', $model->server->uuid, $model->uuid);
+
+        $client = $adapter->getClient();
+
+        $result = $client->execute($client->getCommand('CreateMultipartUpload', [
+            'Bucket' => $adapter->getBucket(),
+            'Key' => $path,
+            'ContentType' => 'application/x-gzip',
+        ]));
+        $uploadId = $result->get('UploadId');
+
+        $completeMultipartUpload = $client->createPresignedRequest(
+            $client->getCommand('CompleteMultipartUpload', [
+                'Bucket' => $adapter->getBucket(),
+                'Key' => $path,
+                'ContentType' => 'application/x-gzip',
+                'UploadId' => $uploadId,
+            ]),
+            CarbonImmutable::now()->addMinutes(30)
+        );
+
+        $abortMultipartUpload = $client->createPresignedRequest(
+            $client->getCommand('AbortMultipartUpload', [
+                'Bucket' => $adapter->getBucket(),
+                'Key' => $path,
+                'ContentType' => 'application/x-gzip',
+                'UploadId' => $uploadId,
+            ]),
+            CarbonImmutable::now()->addMinutes(45)
+        );
+
+        $partCount = (int) $size / (self::PART_SIZE);
+
+        $parts = [];
+        for ($i = 0; $i < $partCount; $i++) {
+            $part = $client->createPresignedRequest(
+                $client->getCommand('UploadPart', [
+                    'Bucket' => $adapter->getBucket(),
+                    'Key' => $path,
+                    'ContentType' => 'application/x-gzip',
+                    'UploadId' => $uploadId,
+                    'PartNumber' => $i + 1,
+                ]),
+                CarbonImmutable::now()->addMinutes(30)
+            );
+
+           array_push($parts, $part->getUri()->__toString());
+        }
+
+        return new JsonResponse([
+            'CompleteMultipartUpload' => $completeMultipartUpload->getUri()->__toString(),
+            'AbortMultipartUpload' => $abortMultipartUpload->getUri()->__toString(),
+            'Parts' => $parts,
+            'PartSize' => self::PART_SIZE,
+        ], JsonResponse::HTTP_OK);
+    }
+}

app/Http/Controllers/Api/Remote/Backups/BackupStatusController.php

@@ -2,12 +2,10 @@
 
 namespace Pterodactyl\Http\Controllers\Api\Remote\Backups;
 
-use Carbon\Carbon;
 use Carbon\CarbonImmutable;
 use Illuminate\Http\JsonResponse;
 use Pterodactyl\Http\Controllers\Controller;
 use Pterodactyl\Repositories\Eloquent\BackupRepository;
-use Pterodactyl\Exceptions\Http\HttpForbiddenException;
 use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
 use Pterodactyl\Http\Requests\Api\Remote\ReportBackupCompleteRequest;
 

app/Models/Backup.php

@@ -7,7 +7,7 @@ use Illuminate\Database\Eloquent\SoftDeletes;
 /**
  * @property int $id
  * @property int $server_id
- * @property int $uuid
+ * @property string $uuid
  * @property bool $is_successful
  * @property string $name
  * @property string[] $ignored_files

app/Repositories/Wings/DaemonBackupRepository.php

@@ -33,12 +33,11 @@ class DaemonBackupRepository extends DaemonRepository
      * Tells the remote Daemon to begin generating a backup for the server.
      *
      * @param \Pterodactyl\Models\Backup $backup
-     * @param string|null $presignedUrl
      * @return \Psr\Http\Message\ResponseInterface
      *
      * @throws \Pterodactyl\Exceptions\Http\Connection\DaemonConnectionException
      */
-    public function backup(Backup $backup, string $presignedUrl = null): ResponseInterface
+    public function backup(Backup $backup): ResponseInterface
     {
         Assert::isInstanceOf($this->server, Server::class);
 
@@ -50,7 +49,6 @@ class DaemonBackupRepository extends DaemonRepository
                         'adapter' => $this->adapter ?? config('backups.default'),
                         'uuid' => $backup->uuid,
                         'ignored_files' => $backup->ignored_files,
-                        'presigned_url' => $presignedUrl,
                     ],
                 ]
             );

app/Services/Backups/InitiateBackupService.php

@@ -7,7 +7,6 @@ use Carbon\CarbonImmutable;
 use Webmozart\Assert\Assert;
 use Pterodactyl\Models\Backup;
 use Pterodactyl\Models\Server;
-use League\Flysystem\AwsS3v3\AwsS3Adapter;
 use Illuminate\Database\ConnectionInterface;
 use Pterodactyl\Extensions\Backups\BackupManager;
 use Pterodactyl\Repositories\Eloquent\BackupRepository;
@@ -122,42 +121,11 @@ class InitiateBackupService
                 'disk' => $this->backupManager->getDefaultAdapter(),
             ], true, true);
 
-            $url = $this->getS3PresignedUrl(sprintf('%s/%s.tar.gz', $server->uuid, $backup->uuid));
-
             $this->daemonBackupRepository->setServer($server)
                 ->setBackupAdapter($this->backupManager->getDefaultAdapter())
-                ->backup($backup, $url);
+                ->backup($backup);
 
             return $backup;
         });
     }
-
-    /**
-     * Generates a presigned URL for the wings daemon to upload the completed archive
-     * to. We use a 30 minute expiration on these URLs to avoid issues with large backups
-     * that may take some time to complete.
-     *
-     * @param string $path
-     * @return string|null
-     */
-    protected function getS3PresignedUrl(string $path)
-    {
-        $adapter = $this->backupManager->adapter();
-        if (! $adapter instanceof AwsS3Adapter) {
-            return null;
-        }
-
-        $client = $adapter->getClient();
-
-        $request = $client->createPresignedRequest(
-            $client->getCommand('PutObject', [
-                'Bucket' => $adapter->getBucket(),
-                'Key' => $path,
-                'ContentType' => 'application/x-gzip',
-            ]),
-            CarbonImmutable::now()->addMinutes(30)
-        );
-
-        return $request->getUri()->__toString();
-    }
 }

resources/scripts/components/server/backups/BackupRow.tsx

@@ -29,7 +29,7 @@ export default ({ backup, className }: Props) => {
                 items: data.items.map(b => b.uuid !== backup.uuid ? b : ({
                     ...b,
                     isSuccessful: parsed.is_successful || true,
-                    checksum: parsed.checksum || '',
+                    checksum: (parsed.checksum_type || '') + ':' + (parsed.checksum || ''),
                     bytes: parsed.file_size || 0,
                     completedAt: new Date(),
                 })),

routes/api-remote.php

@@ -18,5 +18,6 @@ Route::group(['prefix' => '/servers/{uuid}'], function () {
 });
 
 Route::group(['prefix' => '/backups'], function () {
+    Route::get('/{backup}', 'Backups\BackupRemoteUploadController');
     Route::post('/{backup}', 'Backups\BackupStatusController');
 });