generate jwt token when looking up needle id

fix https://github.com/seaweedfs/seaweedfs/issues/4577

weed/server/master_grpc_server_volume.go

@@ -82,7 +82,13 @@ func (ms *MasterServer) LookupVolume(ctx context.Context, req *master_pb.LookupV
 	resp := &master_pb.LookupVolumeResponse{}
 	volumeLocations := ms.lookupVolumeId(req.VolumeOrFileIds, req.Collection)
 
-	for _, result := range volumeLocations {
+	for _, volumeOrFileId := range req.VolumeOrFileIds {
+		vid := volumeOrFileId
+		commaSep := strings.Index(vid, ",")
+		if commaSep > 0 {
+			vid = vid[0:commaSep]
+		}
+		if result, found := volumeLocations[vid]; found {
 			var locations []*master_pb.Location
 			for _, loc := range result.Locations {
 				locations = append(locations, &master_pb.Location{
@@ -92,7 +98,7 @@ func (ms *MasterServer) LookupVolume(ctx context.Context, req *master_pb.LookupV
 				})
 			}
 			var auth string
-		if strings.Contains(result.VolumeOrFileId, ",") { // this is a file id
+			if commaSep > 0 { // this is a file id
 				auth = string(security.GenJwtForVolumeServer(ms.guard.SigningKey, ms.guard.ExpiresAfterSec, result.VolumeOrFileId))
 			}
 			resp.VolumeIdLocations = append(resp.VolumeIdLocations, &master_pb.LookupVolumeResponse_VolumeIdLocation{
@@ -102,6 +108,7 @@ func (ms *MasterServer) LookupVolume(ctx context.Context, req *master_pb.LookupV
 				Auth:           auth,
 			})
 		}
+	}
 
 	return resp, nil
 }