server(fs): keep file mode when extracting archive

server/backup/backup.go

@@ -5,14 +5,16 @@ import (
 	"crypto/sha1"
 	"encoding/hex"
 	"io"
+	"io/fs"
 	"os"
 	"path"
 
 	"emperror.dev/errors"
 	"github.com/apex/log"
+	"golang.org/x/sync/errgroup"
+
 	"github.com/pterodactyl/wings/config"
 	"github.com/pterodactyl/wings/remote"
-	"golang.org/x/sync/errgroup"
 )
 
 type AdapterType string
@@ -24,7 +26,7 @@ const (
 
 // RestoreCallback is a generic restoration callback that exists for both local
 // and remote backups allowing the files to be restored.
-type RestoreCallback func(file string, r io.Reader) error
+type RestoreCallback func(file string, r io.Reader, mode fs.FileMode) error
 
 // noinspection GoNameStartsWithPackageName
 type BackupInterface interface {

server/backup/backup_local.go

@@ -6,9 +6,11 @@ import (
 	"os"
 
 	"emperror.dev/errors"
+
 	"github.com/pterodactyl/wings/server/filesystem"
 
 	"github.com/mholt/archiver/v3"
+
 	"github.com/pterodactyl/wings/remote"
 )
 
@@ -85,12 +87,10 @@ func (b *LocalBackup) Restore(ctx context.Context, _ io.Reader, callback Restore
 			// Stop walking if the context is canceled.
 			return archiver.ErrStopWalk
 		default:
-			{
-				if f.IsDir() {
-					return nil
-				}
-				return callback(filesystem.ExtractNameFromArchive(f), f)
+			if f.IsDir() {
+				return nil
 			}
+			return callback(filesystem.ExtractNameFromArchive(f), f, f.Mode())
 		}
 	})
 }

server/backup/backup_s3.go

@@ -13,9 +13,11 @@ import (
 
 	"emperror.dev/errors"
 	"github.com/cenkalti/backoff/v4"
+
 	"github.com/pterodactyl/wings/server/filesystem"
 
 	"github.com/juju/ratelimit"
+
 	"github.com/pterodactyl/wings/config"
 	"github.com/pterodactyl/wings/remote"
 )
@@ -114,7 +116,7 @@ func (s *S3Backup) Restore(ctx context.Context, r io.Reader, callback RestoreCal
 			return err
 		}
 		if header.Typeflag == tar.TypeReg {
-			if err := callback(header.Name, tr); err != nil {
+			if err := callback(header.Name, tr, header.FileInfo().Mode()); err != nil {
 				return err
 			}
 		}