[#413] Refactor

Signed-off-by: Denis Kirillov <denis@nspcc.ru>

api/layer/layer.go

@@ -3,11 +3,14 @@ package layer
 import (
 	"context"
 	"crypto/ecdsa"
+	"crypto/rand"
 	"fmt"
 	"io"
 	"net/url"
 	"strings"
 
+	oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
+
 	"github.com/nats-io/nats.go"
 	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
 	"github.com/nspcc-dev/neofs-s3-gw/api"
@@ -541,10 +544,30 @@ func (n *layer) CopyObject(ctx context.Context, p *CopyObjectParams) (*data.Obje
 	})
 }
 
+func getRandomOID() (*oid.ID, error) {
+	b := [32]byte{}
+	if _, err := rand.Read(b[:]); err != nil {
+		return nil, err
+	}
+
+	var objID oid.ID
+	objID.SetSHA256(b)
+	return &objID, nil
+}
+
 // DeleteObject removes all objects with the passed nice name.
-func (n *layer) deleteObject(ctx context.Context, bkt *data.BucketInfo, settings *data.BucketSettings, obj *VersionedObject) *VersionedObject {
+func (n *layer) deleteObject(ctx context.Context, bkt *data.BucketInfo, _ *data.BucketSettings, obj *VersionedObject) *VersionedObject {
-	if !isRegularVersion(obj.VersionID) {
+	if !isRegularVersion(obj.VersionID) { // version null or empty
+		randOID, err := getRandomOID()
+		if err != nil {
+			obj.Error = fmt.Errorf("couldn't get random oid: %w", err)
+			return obj
+		}
+		obj.DeleteMarkVersion = randOID.EncodeToString()
 		newVersion := &NodeVersion{
+			BaseNodeVersion: BaseNodeVersion{
+				OID: *randOID,
+			},
 			IsDeleteMarker: true,
 			IsUnversioned:  obj.VersionID == unversionedObjectVersionID,
 		}

api/layer/object.go

@@ -268,59 +268,6 @@ func (n *layer) putLockObject(ctx context.Context, bktInfo *data.BucketInfo, obj
 	return nil
 }
 
-func updateCRDT2PSetHeaders(header map[string]string, versions *objectVersions, versioningEnabled bool) []oid.ID {
-	if !versioningEnabled {
-		header[versionsUnversionedAttr] = "true"
-	}
-
-	var idsToDeleteArr []oid.ID
-	if versions.isEmpty() {
-		return idsToDeleteArr
-	}
-
-	if !versions.isAddListEmpty() {
-		header[versionsAddAttr] = versions.getAddHeader()
-	}
-
-	if versioningEnabled {
-		versionsDeletedStr := versions.getDelHeader()
-		// header[versionsDelAttr] can be not empty when deleting specific version
-		if delAttr := header[versionsDelAttr]; len(delAttr) != 0 {
-			if len(versionsDeletedStr) != 0 {
-				header[versionsDelAttr] = versionsDeletedStr + "," + delAttr
-			} else {
-				header[versionsDelAttr] = delAttr
-			}
-		} else if len(versionsDeletedStr) != 0 {
-			header[versionsDelAttr] = versionsDeletedStr
-		}
-	} else {
-		versionsDeletedStr := versions.getDelHeader()
-
-		var additionalDel string
-		for i, del := range versions.unversioned() {
-			if i != 0 {
-				additionalDel += ","
-			}
-			additionalDel += del.Version()
-			idsToDeleteArr = append(idsToDeleteArr, del.ID)
-		}
-
-		if len(additionalDel) != 0 {
-			if len(versionsDeletedStr) != 0 {
-				versionsDeletedStr += ","
-			}
-			versionsDeletedStr += additionalDel
-		}
-
-		if len(versionsDeletedStr) != 0 {
-			header[versionsDelAttr] = versionsDeletedStr
-		}
-	}
-
-	return idsToDeleteArr
-}
-
 func (n *layer) headLastVersionIfNotDeleted(ctx context.Context, bkt *data.BucketInfo, objectName string) (*data.ObjectInfo, error) {
 	if addr := n.namesCache.Get(bkt.Name + "/" + objectName); addr != nil {
 		if headInfo := n.objCache.Get(*addr); headInfo != nil {
@@ -330,6 +277,9 @@ func (n *layer) headLastVersionIfNotDeleted(ctx context.Context, bkt *data.Bucke
 
 	node, err := n.treeService.GetLatestVersion(ctx, &bkt.CID, objectName)
 	if err != nil {
+		if errors.Is(err, ErrNodeNotFound) {
+			return nil, apiErrors.GetAPIError(apiErrors.ErrNoSuchKey)
+		}
 		return nil, err
 	}
 
@@ -410,16 +360,28 @@ func (n *layer) headVersion(ctx context.Context, bkt *data.BucketInfo, p *HeadOb
 		return objInfo, nil
 	}
 
-	var id oid.ID
+	versions, err := n.treeService.GetVersions(ctx, &bkt.CID, p.Object)
-	if err := id.DecodeString(p.VersionID); err != nil {
+	if err != nil {
-		return nil, apiErrors.GetAPIError(apiErrors.ErrInvalidVersion)
+		return nil, fmt.Errorf("couldn't get versions: %w", err)
 	}
 
-	if headInfo := n.objCache.Get(newAddress(bkt.CID, id)); headInfo != nil {
+	var foundVersion *NodeVersion
+	for _, version := range versions {
+		if version.OID.EncodeToString() == p.VersionID {
+			foundVersion = version
+			break
+		}
+	}
+
+	if foundVersion == nil {
+		return nil, apiErrors.GetAPIError(apiErrors.ErrNoSuchVersion)
+	}
+
+	if headInfo := n.objCache.Get(newAddress(bkt.CID, foundVersion.OID)); headInfo != nil {
 		return objInfoFromMeta(bkt, headInfo), nil
 	}
 
-	meta, err := n.objectHead(ctx, bkt, id)
+	meta, err := n.objectHead(ctx, bkt, foundVersion.OID)
 	if err != nil {
 		if client.IsErrObjectNotFound(err) {
 			return nil, apiErrors.GetAPIError(apiErrors.ErrNoSuchVersion)

api/layer/system_object.go

@@ -44,6 +44,9 @@ func (n *layer) HeadSystemObject(ctx context.Context, bkt *data.BucketInfo, objN
 
 	node, err := n.treeService.GetSystemVersion(ctx, &bkt.CID, objName)
 	if err != nil {
+		if errorsStd.Is(err, ErrNodeNotFound) {
+			return nil, errors.GetAPIError(errors.ErrNoSuchKey)
+		}
 		return nil, err
 	}
 

api/layer/tree_service.go

@@ -31,19 +31,13 @@ type TreeService interface {
 	DeleteBucketCORS(ctx context.Context, cnrID *cid.ID) (*oid.ID, error)
 
 	GetVersions(ctx context.Context, cnrID *cid.ID, objectName string) ([]*NodeVersion, error)
-
 	GetLatestVersion(ctx context.Context, cnrID *cid.ID, objectName string) (*NodeVersion, error)
-
 	GetUnversioned(ctx context.Context, cnrID *cid.ID, objectName string) (*NodeVersion, error)
-
 	AddVersion(ctx context.Context, cnrID *cid.ID, objectName string, newVersion *NodeVersion) error
-
 	RemoveVersion(ctx context.Context, cnrID *cid.ID, nodeID uint64) error
 
 	AddSystemVersion(ctx context.Context, cnrID *cid.ID, objectName string, newVersion *BaseNodeVersion) error
-
 	GetSystemVersion(ctx context.Context, cnrID *cid.ID, objectName string) (*BaseNodeVersion, error)
-
 	RemoveSystemVersion(ctx context.Context, cnrID *cid.ID, nodeID uint64) error
 }
 

api/layer/versioning.go

@@ -8,8 +8,6 @@ import (
 	"strings"
 
 	"github.com/nspcc-dev/neofs-s3-gw/api/data"
-	"github.com/nspcc-dev/neofs-s3-gw/api/errors"
-	oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
 )
 
 type objectVersions struct {
@@ -57,11 +55,6 @@ func newObjectVersions(name string) *objectVersions {
 	return &objectVersions{name: name}
 }
 
-func (v *objectVersions) isAddListEmpty() bool {
-	v.sort()
-	return len(v.addList) == 0
-}
-
 func (v *objectVersions) appendVersion(oi *data.ObjectInfo) {
 	delVers := splitVersions(oi.Headers[versionsDelAttr])
 	v.objects = append(v.objects, oi)
@@ -182,23 +175,6 @@ func (v *objectVersions) isEmpty() bool {
 	return v == nil || len(v.objects) == 0
 }
 
-func (v *objectVersions) unversioned() []*data.ObjectInfo {
-	if len(v.objects) == 0 {
-		return nil
-	}
-
-	existedVersions := v.existedVersions()
-	res := make([]*data.ObjectInfo, 0, len(v.objects))
-
-	for _, version := range v.objects {
-		if contains(existedVersions, version.Version()) && version.Headers[versionsUnversionedAttr] == "true" {
-			res = append(res, version)
-		}
-	}
-
-	return res
-}
-
 func (v *objectVersions) getLast(opts ...VersionOption) *data.ObjectInfo {
 	if v.isEmpty() {
 		return nil
@@ -267,22 +243,6 @@ func (v *objectVersions) getAddHeader() string {
 	return strings.Join(v.addList, ",")
 }
 
-func (v *objectVersions) getDelHeader() string {
-	return strings.Join(v.delList, ",")
-}
-
-func (v *objectVersions) getVersion(obj oid.ID) *data.ObjectInfo {
-	strObj := obj.EncodeToString()
-	for _, version := range v.objects {
-		if version.Version() == strObj {
-			if contains(v.delList, strObj) {
-				return nil
-			}
-			return version
-		}
-	}
-	return nil
-}
 func (n *layer) PutBucketVersioning(ctx context.Context, p *PutSettingsParams) (*data.ObjectInfo, error) {
 	metadata := map[string]string{
 		attrSettingsVersioningEnabled: strconv.FormatBool(p.Settings.VersioningEnabled),
@@ -383,27 +343,3 @@ func contains(list []string, elem string) bool {
 	}
 	return false
 }
-
-func (n *layer) checkVersionsExist(ctx context.Context, bkt *data.BucketInfo, obj *VersionedObject) (*data.ObjectInfo, error) {
-	versions, err := n.headVersions(ctx, bkt, obj.Name)
-	if err != nil {
-		return nil, err
-	}
-
-	var version *data.ObjectInfo
-	if obj.VersionID == unversionedObjectVersionID {
-		version = versions.getLast(FromUnversioned())
-	} else {
-		var id oid.ID
-		if err = id.DecodeString(obj.VersionID); err != nil {
-			return nil, errors.GetAPIError(errors.ErrInvalidVersion)
-		}
-		version = versions.getVersion(id)
-	}
-
-	if version == nil {
-		return nil, errors.GetAPIError(errors.ErrInvalidVersion)
-	}
-
-	return version, nil
-}

api/layer/versioning_test.go

@@ -506,108 +506,12 @@ func getTestObjectInfo(id byte, addAttr, delAttr, delMarkAttr string) *data.Obje
 	}
 }
 
-func getTestUnversionedObjectInfo(id byte, addAttr, delAttr, delMarkAttr string) *data.ObjectInfo {
-	objInfo := getTestObjectInfo(id, addAttr, delAttr, delMarkAttr)
-	objInfo.Headers[versionsUnversionedAttr] = "true"
-	return objInfo
-}
-
 func getTestObjectInfoEpoch(epoch uint64, id byte, addAttr, delAttr, delMarkAttr string) *data.ObjectInfo {
 	obj := getTestObjectInfo(id, addAttr, delAttr, delMarkAttr)
 	obj.CreationEpoch = epoch
 	return obj
 }
 
-func TestUpdateCRDT2PSetHeaders(t *testing.T) {
-	obj1 := getTestUnversionedObjectInfo(1, "", "", "")
-	obj2 := getTestUnversionedObjectInfo(2, "", "", "")
-	obj3 := getTestObjectInfo(3, "", "", "")
-	obj4 := getTestObjectInfo(4, "", "", "")
-
-	for _, tc := range []struct {
-		name                string
-		header              map[string]string
-		versions            *objectVersions
-		versioningEnabled   bool
-		expectedHeader      map[string]string
-		expectedIdsToDelete []oid.ID
-	}{
-		{
-			name:           "unversioned save headers",
-			header:         map[string]string{"someKey": "someValue"},
-			expectedHeader: map[string]string{"someKey": "someValue", versionsUnversionedAttr: "true"},
-		},
-		{
-			name:   "unversioned put",
-			header: map[string]string{},
-			versions: &objectVersions{
-				objects: []*data.ObjectInfo{obj1},
-			},
-			expectedHeader: map[string]string{
-				versionsAddAttr:         obj1.Version(),
-				versionsDelAttr:         obj1.Version(),
-				versionsUnversionedAttr: "true",
-			},
-			expectedIdsToDelete: []oid.ID{obj1.ID},
-		},
-		{
-			name:   "unversioned del header",
-			header: map[string]string{},
-			versions: &objectVersions{
-				objects: []*data.ObjectInfo{obj2},
-				delList: []string{obj1.Version()},
-			},
-			expectedHeader: map[string]string{
-				versionsAddAttr:         obj2.Version(),
-				versionsDelAttr:         joinVers(obj1, obj2),
-				versionsUnversionedAttr: "true",
-			},
-			expectedIdsToDelete: []oid.ID{obj2.ID},
-		},
-		{
-			name:   "versioned put",
-			header: map[string]string{},
-			versions: &objectVersions{
-				objects: []*data.ObjectInfo{obj3},
-			},
-			versioningEnabled: true,
-			expectedHeader:    map[string]string{versionsAddAttr: obj3.Version()},
-		},
-		{
-			name:   "versioned del header",
-			header: map[string]string{versionsDelAttr: obj4.Version()},
-			versions: &objectVersions{
-				objects: []*data.ObjectInfo{obj4},
-				delList: []string{obj3.Version()},
-			},
-			versioningEnabled: true,
-			expectedHeader: map[string]string{
-				versionsAddAttr: obj4.Version(),
-				versionsDelAttr: joinVers(obj3, obj4),
-			},
-		},
-		{
-			name:   "unversioned put after some version",
-			header: map[string]string{},
-			versions: &objectVersions{
-				objects: []*data.ObjectInfo{obj1, obj3},
-			},
-			expectedHeader: map[string]string{
-				versionsAddAttr:         joinVers(obj1, obj3),
-				versionsDelAttr:         obj1.Version(),
-				versionsUnversionedAttr: "true",
-			},
-			expectedIdsToDelete: []oid.ID{obj1.ID},
-		},
-	} {
-		t.Run(tc.name, func(t *testing.T) {
-			idsToDelete := updateCRDT2PSetHeaders(tc.header, tc.versions, tc.versioningEnabled)
-			require.Equal(t, tc.expectedHeader, tc.header)
-			require.Equal(t, tc.expectedIdsToDelete, idsToDelete)
-		})
-	}
-}
-
 func TestSystemObjectsVersioning(t *testing.T) {
 	cacheConfig := DefaultCachesConfigs(zap.NewExample())
 	cacheConfig.System.Lifetime = 0

internal/neofs/tree.go

@@ -7,8 +7,10 @@ import (
 	"strconv"
 	"strings"
 
+	"github.com/nspcc-dev/neofs-s3-gw/api"
 	"github.com/nspcc-dev/neofs-s3-gw/api/data"
 	"github.com/nspcc-dev/neofs-s3-gw/api/layer"
+	"github.com/nspcc-dev/neofs-s3-gw/creds/accessbox"
 	"github.com/nspcc-dev/neofs-s3-gw/internal/neofs/services/tree"
 	cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
 	oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
@@ -24,7 +26,7 @@ type (
 
 	TreeNode struct {
 		ID        uint64
-		ObjID     *oid.ID
+		ObjID     oid.ID
 		TimeStamp uint64
 		Meta      map[string]string
 	}
@@ -43,11 +45,11 @@ const (
 	notifConfFileName = "bucket-notifications"
 	corsFilename      = "bucket-cors"
 
-	// bucketSystemObjectsTreeID -- ID of a tree with system objects for bucket
+	// versionTree -- ID of a tree with object versions.
-	// i.e. bucket settings with versioning and lock configuration, cors, notifications
-	bucketSystemObjectsTreeID = "system-bucket"
-
 	versionTree = "version"
+
+	// systemTree -- ID of a tree with system objects
+	// i.e. bucket settings with versioning and lock configuration, cors, notifications.
 	systemTree = "system"
 
 	separator = "/"
@@ -69,14 +71,12 @@ func NewTreeClient(addr string) (*TreeClient, error) {
 }
 
 func newTreeNode(nodeInfo *tree.GetNodeByPathResponse_Info) (*TreeNode, error) {
-	var objID *oid.ID
+	var objID oid.ID
 	meta := make(map[string]string, len(nodeInfo.GetMeta()))
 
 	for _, kv := range nodeInfo.GetMeta() {
 		if kv.GetKey() == oidKV {
-			objID = new(oid.ID)
+			if err := objID.DecodeString(string(kv.GetValue())); err != nil {
-			err := objID.DecodeString(string(kv.GetValue()))
-			if err != nil {
 				return nil, err
 			}
 			continue
@@ -110,7 +110,7 @@ func newNodeVersion(node *tree.GetNodeByPathResponse_Info) (*layer.NodeVersion,
 	return &layer.NodeVersion{
 		BaseNodeVersion: layer.BaseNodeVersion{
 			ID:  node.NodeId,
-			OID: *treeNode.ObjID,
+			OID: treeNode.ObjID,
 		},
 		IsUnversioned:  isUnversioned,
 		IsDeleteMarker: isDeleteMarker,
@@ -119,8 +119,7 @@ func newNodeVersion(node *tree.GetNodeByPathResponse_Info) (*layer.NodeVersion,
 
 func (c *TreeClient) GetSettingsNode(ctx context.Context, cnrID *cid.ID) (*data.BucketSettings, error) {
 	keysToReturn := []string{versioningEnabledKV, lockConfigurationKV}
-	path := []string{settingsFileName}
+	node, err := c.getSystemNode(ctx, cnrID, systemTree, []string{settingsFileName}, keysToReturn)
-	node, err := c.getSystemNode(ctx, cnrID, bucketSystemObjectsTreeID, path, keysToReturn)
 	if err != nil {
 		return nil, fmt.Errorf("couldn't get node: %w", err)
 	}
@@ -143,8 +142,7 @@ func (c *TreeClient) GetSettingsNode(ctx context.Context, cnrID *cid.ID) (*data.
 }
 
 func (c *TreeClient) PutSettingsNode(ctx context.Context, cnrID *cid.ID, settings *data.BucketSettings) error {
-	path := []string{settingsFileName}
+	node, err := c.getSystemNode(ctx, cnrID, systemTree, []string{settingsFileName}, []string{})
-	node, err := c.getSystemNode(ctx, cnrID, bucketSystemObjectsTreeID, path, []string{})
 	isErrNotFound := errors.Is(err, layer.ErrNodeNotFound)
 	if err != nil && !isErrNotFound {
 		return fmt.Errorf("couldn't get node: %w", err)
@@ -153,26 +151,24 @@ func (c *TreeClient) PutSettingsNode(ctx context.Context, cnrID *cid.ID, setting
 	meta := metaFromSettings(settings)
 
 	if isErrNotFound {
-		_, err = c.addNode(ctx, cnrID, bucketSystemObjectsTreeID, 0, meta)
+		_, err = c.addNode(ctx, cnrID, systemTree, 0, meta)
 		return err
 	}
 
-	return c.moveNode(ctx, cnrID, bucketSystemObjectsTreeID, node.ID, 0, meta)
+	return c.moveNode(ctx, cnrID, systemTree, node.ID, 0, meta)
 }
 
 func (c *TreeClient) GetNotificationConfigurationNode(ctx context.Context, cnrID *cid.ID) (*oid.ID, error) {
-	path := []string{notifConfFileName}
+	node, err := c.getSystemNode(ctx, cnrID, systemTree, []string{notifConfFileName}, []string{oidKV})
-	node, err := c.getSystemNode(ctx, cnrID, bucketSystemObjectsTreeID, path, []string{oidKV})
 	if err != nil {
 		return nil, err
 	}
 
-	return node.ObjID, nil
+	return &node.ObjID, nil
 }
 
 func (c *TreeClient) PutNotificationConfigurationNode(ctx context.Context, cnrID *cid.ID, objID *oid.ID) (*oid.ID, error) {
-	path := []string{notifConfFileName}
+	node, err := c.getSystemNode(ctx, cnrID, systemTree, []string{notifConfFileName}, []string{oidKV})
-	node, err := c.getSystemNode(ctx, cnrID, bucketSystemObjectsTreeID, path, []string{oidKV})
 	isErrNotFound := errors.Is(err, layer.ErrNodeNotFound)
 	if err != nil && !isErrNotFound {
 		return nil, fmt.Errorf("couldn't get node: %w", err)
@@ -183,24 +179,24 @@ func (c *TreeClient) PutNotificationConfigurationNode(ctx context.Context, cnrID
 	meta[oidKV] = objID.EncodeToString()
 
 	if isErrNotFound {
-		_, err = c.addNode(ctx, cnrID, bucketSystemObjectsTreeID, 0, meta)
+		_, err = c.addNode(ctx, cnrID, systemTree, 0, meta)
 		return nil, err
 	}
 
-	return node.ObjID, c.moveNode(ctx, cnrID, bucketSystemObjectsTreeID, node.ID, 0, meta)
+	return &node.ObjID, c.moveNode(ctx, cnrID, systemTree, node.ID, 0, meta)
 }
 
 func (c *TreeClient) GetBucketCORS(ctx context.Context, cnrID *cid.ID) (*oid.ID, error) {
-	node, err := c.getSystemNode(ctx, cnrID, bucketSystemObjectsTreeID, []string{corsFilename}, []string{oidKV})
+	node, err := c.getSystemNode(ctx, cnrID, systemTree, []string{corsFilename}, []string{oidKV})
 	if err != nil {
 		return nil, err
 	}
 
-	return node.ObjID, nil
+	return &node.ObjID, nil
 }
 
 func (c *TreeClient) PutBucketCORS(ctx context.Context, cnrID *cid.ID, objID *oid.ID) (*oid.ID, error) {
-	node, err := c.getSystemNode(ctx, cnrID, bucketSystemObjectsTreeID, []string{corsFilename}, []string{oidKV})
+	node, err := c.getSystemNode(ctx, cnrID, systemTree, []string{corsFilename}, []string{oidKV})
 	isErrNotFound := errors.Is(err, layer.ErrNodeNotFound)
 	if err != nil && !isErrNotFound {
 		return nil, fmt.Errorf("couldn't get node: %w", err)
@@ -211,21 +207,21 @@ func (c *TreeClient) PutBucketCORS(ctx context.Context, cnrID *cid.ID, objID *oi
 	meta[oidKV] = objID.EncodeToString()
 
 	if isErrNotFound {
-		_, err = c.addNode(ctx, cnrID, bucketSystemObjectsTreeID, 0, meta)
+		_, err = c.addNode(ctx, cnrID, systemTree, 0, meta)
 		return nil, err
 	}
 
-	return node.ObjID, c.moveNode(ctx, cnrID, bucketSystemObjectsTreeID, node.ID, 0, meta)
+	return &node.ObjID, c.moveNode(ctx, cnrID, systemTree, node.ID, 0, meta)
 }
 
 func (c *TreeClient) DeleteBucketCORS(ctx context.Context, cnrID *cid.ID) (*oid.ID, error) {
-	node, err := c.getSystemNode(ctx, cnrID, bucketSystemObjectsTreeID, []string{corsFilename}, []string{oidKV})
+	node, err := c.getSystemNode(ctx, cnrID, systemTree, []string{corsFilename}, []string{oidKV})
 	if err != nil && !errors.Is(err, layer.ErrNodeNotFound) {
 		return nil, err
 	}
 
 	if node != nil {
-		return node.ObjID, c.removeNode(ctx, cnrID, bucketSystemObjectsTreeID, node.ID)
+		return &node.ObjID, c.removeNode(ctx, cnrID, systemTree, node.ID)
 	}
 
 	return nil, nil
@@ -262,6 +258,10 @@ func (c *TreeClient) getLatestVersion(ctx context.Context, cnrID *cid.ID, treeID
 		return nil, fmt.Errorf("couldn't get nodes: %w", err)
 	}
 
+	if len(nodes) == 0 {
+		return nil, layer.ErrNodeNotFound
+	}
+
 	return newNodeVersion(nodes[0])
 }
 
@@ -352,6 +352,7 @@ func (c *TreeClient) removeVersion(ctx context.Context, cnrID *cid.ID, treeID st
 			ContainerId: []byte(cnrID.EncodeToString()),
 			TreeId:      treeID,
 			NodeId:      id,
+			BearerToken: getBearer(ctx),
 		},
 	}
 
@@ -360,7 +361,7 @@ func (c *TreeClient) removeVersion(ctx context.Context, cnrID *cid.ID, treeID st
 }
 
 func (c *TreeClient) getVersions(ctx context.Context, cnrID *cid.ID, treeID, filepath string, onlyUnversioned bool) ([]*layer.NodeVersion, error) {
-	keysToReturn := []string{versioningEnabledKV, lockConfigurationKV}
+	keysToReturn := []string{oidKV, isUnversionedKV, isDeleteMarkerKV}
 	path := strings.Split(filepath, separator)
 	nodes, err := c.getNodes(ctx, cnrID, treeID, fileNameKV, path, keysToReturn, false)
 	if err != nil {
@@ -393,6 +394,7 @@ func (c *TreeClient) getParent(ctx context.Context, cnrID *cid.ID, treeID string
 			ContainerId: []byte(cnrID.EncodeToString()),
 			TreeId:      treeID,
 			RootId:      id,
+			BearerToken: getBearer(ctx),
 		},
 	}
 
@@ -423,10 +425,6 @@ func (c *TreeClient) getSystemNode(ctx context.Context, cnrID *cid.ID, treeID st
 	return c.getNode(ctx, cnrID, treeID, systemNameKV, path, meta)
 }
 
-func (c *TreeClient) getRegularNode(ctx context.Context, cnrID *cid.ID, treeID string, path, meta []string) (*TreeNode, error) {
-	return c.getNode(ctx, cnrID, treeID, fileNameKV, path, meta)
-}
-
 func (c *TreeClient) getNode(ctx context.Context, cnrID *cid.ID, treeID, pathAttr string, path, meta []string) (*TreeNode, error) {
 	nodes, err := c.getNodes(ctx, cnrID, treeID, pathAttr, path, meta, false)
 	if err != nil {
@@ -454,6 +452,7 @@ func (c *TreeClient) getNodes(ctx context.Context, cnrID *cid.ID, treeID, pathAt
 			Attributes:    meta,
 			PathAttribute: pathAttr,
 			LatestOnly:    latestOnly,
+			BearerToken:   getBearer(ctx),
 		},
 	}
 
@@ -465,6 +464,15 @@ func (c *TreeClient) getNodes(ctx context.Context, cnrID *cid.ID, treeID, pathAt
 	return resp.GetBody().GetNodes(), nil
 }
 
+func getBearer(ctx context.Context) []byte {
+	if bd, ok := ctx.Value(api.BoxData).(*accessbox.Box); ok && bd != nil && bd.Gate != nil {
+		if bd.Gate.BearerToken != nil {
+			return bd.Gate.BearerToken.Marshal()
+		}
+	}
+	return nil
+}
+
 func (c *TreeClient) addNode(ctx context.Context, cnrID *cid.ID, treeID string, parent uint64, meta map[string]string) (uint64, error) {
 	request := &tree.AddRequest{
 		Body: &tree.AddRequest_Body{
@@ -472,6 +480,7 @@ func (c *TreeClient) addNode(ctx context.Context, cnrID *cid.ID, treeID string,
 			TreeId:      treeID,
 			ParentId:    parent,
 			Meta:        metaToKV(meta),
+			BearerToken: getBearer(ctx),
 		},
 	}
 
@@ -491,6 +500,7 @@ func (c *TreeClient) addNodeByPath(ctx context.Context, cnrID *cid.ID, treeID st
 			Path:          path,
 			Meta:          metaToKV(meta),
 			PathAttribute: fileNameKV,
+			BearerToken:   getBearer(ctx),
 		},
 	}
 
@@ -519,6 +529,7 @@ func (c *TreeClient) removeNode(ctx context.Context, cnrID *cid.ID, treeID strin
 			ContainerId: []byte(cnrID.EncodeToString()),
 			TreeId:      treeID,
 			NodeId:      nodeID,
+			BearerToken: getBearer(ctx),
 		},
 	}
 	_, err := c.service.Remove(ctx, r)