Better S3 backup generation support

Author: DaneEveritt

app/Extensions/Backups/BackupManager.php

@@ -3,11 +3,11 @@
 namespace Pterodactyl\Extensions\Backups;
 
 use Closure;
+use Aws\S3\S3Client;
 use Illuminate\Support\Arr;
 use Illuminate\Support\Str;
 use Webmozart\Assert\Assert;
 use InvalidArgumentException;
-use Aws\S3\S3MultiRegionClient;
 use League\Flysystem\AdapterInterface;
 use League\Flysystem\AwsS3v3\AwsS3Adapter;
 use League\Flysystem\Memory\MemoryAdapter;
@@ -160,7 +160,7 @@ public function createS3Adapter(array $config)
             $config['credentials'] = Arr::only($config, ['key', 'secret', 'token']);
         }
 
-        $client = new S3MultiRegionClient($config);
+        $client = new S3Client($config);
 
         return new AwsS3Adapter($client, $config['bucket'], $config['prefix'] ?? '', $config['options'] ?? []);
     }

app/Services/Backups/InitiateBackupService.php

@@ -154,7 +154,7 @@ protected function getS3PresignedUrl(string $path)
             $client->getCommand('PutObject', [
                 'Bucket' => $adapter->getBucket(),
                 'Key' => $path,
-                'ContentType' => 'binary/octet-stream',
+                'ContentType' => 'application/x-gzip',
             ]),
             CarbonImmutable::now()->addMinutes(30)
         );