package neofs import ( "context" "errors" "fmt" "io" "strconv" "strings" "time" "github.com/nspcc-dev/neo-go/pkg/crypto/keys" "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" "github.com/nspcc-dev/neofs-sdk-go/user" "google.golang.org/grpc" "google.golang.org/grpc/credentials/insecure" ) type ( TreeClient struct { key *keys.PrivateKey conn *grpc.ClientConn service tree.TreeServiceClient } TreeNode struct { ID uint64 ObjID oid.ID TimeStamp uint64 Meta map[string]string } getNodesParams struct { CnrID *cid.ID TreeID string Path []string Meta []string LatestOnly bool AllAttrs bool } ) const ( versioningEnabledKV = "versioning_enabled" lockConfigurationKV = "lock_configuration" oidKV = "OID" fileNameKV = "FileName" systemNameKV = "SystemName" isUnversionedKV = "IsUnversioned" isTagKV = "isTag" uploadIDKV = "UploadId" partNumberKV = "Number" // keys for delete marker nodes. isDeleteMarkerKV = "IdDeleteMarker" filePathKV = "FilePath" ownerKV = "Owner" createdKV = "Created" settingsFileName = "bucket-settings" notifConfFileName = "bucket-notifications" corsFilename = "bucket-cors" emptyFileName = "" // to handle trailing slash in name bucketTaggingFilename = "bucket-tagging" // versionTree -- ID of a tree with object versions. versionTree = "version" // systemTree -- ID of a tree with system objects // i.e. bucket settings with versioning and lock configuration, cors, notifications. systemTree = "system" separator = "/" userDefinedtagPrefix = "User-Tag-" maxGetSubTreeDepth = 10 // current limit on storage node side ) // NewTreeClient creates instance of TreeClient using provided address and create grpc connection. func NewTreeClient(addr string, key *keys.PrivateKey) (*TreeClient, error) { conn, err := grpc.Dial(addr, grpc.WithTransportCredentials(insecure.NewCredentials())) if err != nil { return nil, fmt.Errorf("did not connect: %v", err) } c := tree.NewTreeServiceClient(conn) return &TreeClient{ key: key, conn: conn, service: c, }, nil } type NodeResponse interface { GetMeta() []*tree.KeyValue GetNodeId() uint64 GetTimestamp() uint64 } func newTreeNode(nodeInfo NodeResponse) (*TreeNode, error) { var objID oid.ID meta := make(map[string]string, len(nodeInfo.GetMeta())) for _, kv := range nodeInfo.GetMeta() { if kv.GetKey() == oidKV { if err := objID.DecodeString(string(kv.GetValue())); err != nil { return nil, err } continue } meta[kv.GetKey()] = string(kv.GetValue()) } return &TreeNode{ ID: nodeInfo.GetNodeId(), ObjID: objID, TimeStamp: nodeInfo.GetTimestamp(), Meta: meta, }, nil } func (n *TreeNode) Get(key string) (string, bool) { value, ok := n.Meta[key] return value, ok } func newNodeVersion(node NodeResponse) (*data.NodeVersion, error) { treeNode, err := newTreeNode(node) if err != nil { return nil, fmt.Errorf("invalid tree node: %w", err) } return newNodeVersionFromTreeNode(treeNode), nil } func newNodeVersionFromTreeNode(treeNode *TreeNode) *data.NodeVersion { _, isUnversioned := treeNode.Get(isUnversionedKV) _, isDeleteMarker := treeNode.Get(isDeleteMarkerKV) version := &data.NodeVersion{ BaseNodeVersion: data.BaseNodeVersion{ ID: treeNode.ID, OID: treeNode.ObjID, Timestamp: treeNode.TimeStamp, }, IsUnversioned: isUnversioned, } if isDeleteMarker { filePath, _ := treeNode.Get(filePathKV) var created time.Time if createdStr, ok := treeNode.Get(createdKV); ok { if utcMilli, err := strconv.ParseInt(createdStr, 10, 64); err == nil { created = time.UnixMilli(utcMilli) } } var owner user.ID if ownerStr, ok := treeNode.Get(ownerKV); ok { _ = owner.DecodeString(ownerStr) } version.DeleteMarker = &data.DeleteMarkerInfo{ FilePath: filePath, Created: created, Owner: owner, } } return version } func newMultipartInfo(node NodeResponse) (*data.MultipartInfo, error) { multipartInfo := &data.MultipartInfo{ ID: node.GetNodeId(), Meta: make(map[string]string, len(node.GetMeta())), } for _, kv := range node.GetMeta() { switch kv.GetKey() { case uploadIDKV: multipartInfo.UploadID = string(kv.GetValue()) case systemNameKV: multipartInfo.Key = strings.TrimSuffix(string(kv.GetValue()), emptyFileName) case createdKV: if utcMilli, err := strconv.ParseInt(string(kv.GetValue()), 10, 64); err == nil { multipartInfo.Created = time.UnixMilli(utcMilli) } case ownerKV: _ = multipartInfo.Owner.DecodeString(string(kv.GetValue())) default: multipartInfo.Meta[kv.GetKey()] = string(kv.GetValue()) } } if multipartInfo.UploadID == "" { return nil, fmt.Errorf("it's not a multipart node") } return multipartInfo, nil } func newPartInfo(node NodeResponse) (*data.PartInfo, error) { partInfo := &data.PartInfo{} for _, kv := range node.GetMeta() { switch kv.GetKey() { case partNumberKV: partInfo.Number, _ = strconv.Atoi(string(kv.GetValue())) case oidKV: if err := partInfo.OID.DecodeString(string(kv.GetValue())); err != nil { return nil, fmt.Errorf("invalid oid: %w", err) } } } if partInfo.Number <= 0 { return nil, fmt.Errorf("it's not a part node") } return partInfo, nil } func (c *TreeClient) GetSettingsNode(ctx context.Context, cnrID *cid.ID) (*data.BucketSettings, error) { keysToReturn := []string{versioningEnabledKV, lockConfigurationKV} node, err := c.getSystemNode(ctx, cnrID, []string{settingsFileName}, keysToReturn) if err != nil { return nil, fmt.Errorf("couldn't get node: %w", err) } settings := &data.BucketSettings{} if versioningEnabledValue, ok := node.Get(versioningEnabledKV); ok { if settings.VersioningEnabled, err = strconv.ParseBool(versioningEnabledValue); err != nil { return nil, fmt.Errorf("settings node: invalid versioning: %w", err) } } if lockConfigurationValue, ok := node.Get(lockConfigurationKV); ok { if settings.LockConfiguration, err = parseLockConfiguration(lockConfigurationValue); err != nil { return nil, fmt.Errorf("settings node: invalid lock configuration: %w", err) } } return settings, nil } func (c *TreeClient) PutSettingsNode(ctx context.Context, cnrID *cid.ID, settings *data.BucketSettings) error { node, err := c.getSystemNode(ctx, cnrID, []string{settingsFileName}, []string{}) isErrNotFound := errors.Is(err, layer.ErrNodeNotFound) if err != nil && !isErrNotFound { return fmt.Errorf("couldn't get node: %w", err) } meta := metaFromSettings(settings) if isErrNotFound { _, err = c.addNode(ctx, cnrID, systemTree, 0, meta) return err } return c.moveNode(ctx, cnrID, systemTree, node.ID, 0, meta) } func (c *TreeClient) GetNotificationConfigurationNode(ctx context.Context, cnrID *cid.ID) (*oid.ID, error) { node, err := c.getSystemNode(ctx, cnrID, []string{notifConfFileName}, []string{oidKV}) if err != nil { return nil, err } return &node.ObjID, nil } func (c *TreeClient) PutNotificationConfigurationNode(ctx context.Context, cnrID *cid.ID, objID *oid.ID) (*oid.ID, error) { node, err := c.getSystemNode(ctx, cnrID, []string{notifConfFileName}, []string{oidKV}) isErrNotFound := errors.Is(err, layer.ErrNodeNotFound) if err != nil && !isErrNotFound { return nil, fmt.Errorf("couldn't get node: %w", err) } meta := make(map[string]string) meta[systemNameKV] = notifConfFileName meta[oidKV] = objID.EncodeToString() if isErrNotFound { _, err = c.addNode(ctx, cnrID, systemTree, 0, meta) return nil, err } 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, []string{corsFilename}, []string{oidKV}) if err != nil { return nil, err } 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, []string{corsFilename}, []string{oidKV}) isErrNotFound := errors.Is(err, layer.ErrNodeNotFound) if err != nil && !isErrNotFound { return nil, fmt.Errorf("couldn't get node: %w", err) } meta := make(map[string]string) meta[systemNameKV] = corsFilename meta[oidKV] = objID.EncodeToString() if isErrNotFound { _, err = c.addNode(ctx, cnrID, systemTree, 0, meta) return nil, err } 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, []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, systemTree, node.ID) } return nil, nil } func (c *TreeClient) GetObjectTagging(ctx context.Context, cnrID *cid.ID, objVersion *data.NodeVersion) (map[string]string, error) { tagNode, err := c.getObjectTaggingNode(ctx, cnrID, objVersion) if err != nil { return nil, err } if tagNode == nil { return nil, nil } meta := make(map[string]string) for key, val := range tagNode.Meta { if strings.HasPrefix(key, userDefinedtagPrefix) { meta[strings.TrimPrefix(key, userDefinedtagPrefix)] = val } } return meta, nil } func (c *TreeClient) PutObjectTagging(ctx context.Context, cnrID *cid.ID, objVersion *data.NodeVersion, tagSet map[string]string) error { tagNode, err := c.getObjectTaggingNode(ctx, cnrID, objVersion) if err != nil { return err } treeTagSet := make(map[string]string) treeTagSet[isTagKV] = "true" for key, val := range tagSet { treeTagSet[userDefinedtagPrefix+key] = val } if tagNode == nil { _, err = c.addNode(ctx, cnrID, versionTree, objVersion.ID, treeTagSet) } else { err = c.moveNode(ctx, cnrID, versionTree, tagNode.ID, objVersion.ID, treeTagSet) } return err } func (c *TreeClient) DeleteObjectTagging(ctx context.Context, cnrID *cid.ID, objVersion *data.NodeVersion) error { tagNode, err := c.getObjectTaggingNode(ctx, cnrID, objVersion) if err != nil { return err } if tagNode == nil { return nil } return c.removeNode(ctx, cnrID, versionTree, tagNode.ID) } func (c *TreeClient) GetBucketTagging(ctx context.Context, cnrID *cid.ID) (map[string]string, error) { node, err := c.getSystemNodeWithAllAttributes(ctx, cnrID, []string{bucketTaggingFilename}) if err != nil { if strings.Contains(err.Error(), "not found") { return nil, layer.ErrNodeNotFound } return nil, err } tags := make(map[string]string) for key, val := range node.Meta { if strings.HasPrefix(key, userDefinedtagPrefix) { tags[strings.TrimPrefix(key, userDefinedtagPrefix)] = val } } return tags, nil } func (c *TreeClient) PutBucketTagging(ctx context.Context, cnrID *cid.ID, tagSet map[string]string) error { node, err := c.getSystemNode(ctx, cnrID, []string{bucketTaggingFilename}, []string{}) isErrNotFound := errors.Is(err, layer.ErrNodeNotFound) if err != nil && !isErrNotFound { return fmt.Errorf("couldn't get node: %w", err) } treeTagSet := make(map[string]string) treeTagSet[systemNameKV] = bucketTaggingFilename for key, val := range tagSet { treeTagSet[userDefinedtagPrefix+key] = val } if isErrNotFound { _, err = c.addNode(ctx, cnrID, systemTree, 0, treeTagSet) } else { err = c.moveNode(ctx, cnrID, systemTree, node.ID, 0, treeTagSet) } return err } func (c *TreeClient) DeleteBucketTagging(ctx context.Context, cnrID *cid.ID) error { node, err := c.getSystemNode(ctx, cnrID, []string{bucketTaggingFilename}, nil) if err != nil && !errors.Is(err, layer.ErrNodeNotFound) { return err } if node != nil { return c.removeNode(ctx, cnrID, systemTree, node.ID) } return nil } func (c *TreeClient) getObjectTaggingNode(ctx context.Context, cnrID *cid.ID, objVersion *data.NodeVersion) (*TreeNode, error) { subtree, err := c.getSubTree(ctx, cnrID, versionTree, objVersion.ID, 1) if err != nil { return nil, err } var tagNode *TreeNode for _, s := range subtree { node, err := newTreeNode(s) if err != nil { return nil, err } if _, ok := node.Get(isTagKV); ok { tagNode = node break } } return tagNode, nil } func (c *TreeClient) GetVersions(ctx context.Context, cnrID *cid.ID, filepath string) ([]*data.NodeVersion, error) { return c.getVersions(ctx, cnrID, versionTree, filepath, false) } func (c *TreeClient) GetLatestVersion(ctx context.Context, cnrID *cid.ID, objectName string) (*data.NodeVersion, error) { meta := []string{oidKV, isUnversionedKV, isDeleteMarkerKV} path := pathFromName(objectName) return c.getLatestVersion(ctx, cnrID, versionTree, path, meta) } // pathFromName splits name by '/' and add an empty marker if name has trailing slash. func pathFromName(objectName string) []string { path := strings.Split(objectName, separator) if path[len(path)-1] == "" { path[len(path)-1] = emptyFileName } return path } func (c *TreeClient) GetLatestVersionsByPrefix(ctx context.Context, cnrID *cid.ID, prefix string) ([]oid.ID, error) { subTreeNodes, err := c.getSubTreeByPrefix(ctx, cnrID, versionTree, prefix) if err != nil { return nil, err } var result []oid.ID for _, node := range subTreeNodes { latestNodes, err := c.getSubTreeVersions(ctx, cnrID, node.GetNodeId(), true) if err != nil { return nil, err } for _, latest := range latestNodes { result = append(result, latest.OID) } } return result, nil } func (c *TreeClient) determinePrefixNode(ctx context.Context, cnrID *cid.ID, treeID, prefix string) (uint64, string, error) { var rootID uint64 path := strings.Split(prefix, separator) tailPrefix := path[len(path)-1] if len(path) > 1 { var err error rootID, err = c.getPrefixNodeID(ctx, cnrID, treeID, path[:len(path)-1]) if err != nil { return 0, "", err } } return rootID, tailPrefix, nil } func (c *TreeClient) getPrefixNodeID(ctx context.Context, cnrID *cid.ID, treeID string, prefixPath []string) (uint64, error) { p := &getNodesParams{ CnrID: cnrID, TreeID: treeID, Path: prefixPath, LatestOnly: false, AllAttrs: true, } nodes, err := c.getNodes(ctx, p) if err != nil { return 0, err } var intermediateNodes []uint64 for _, node := range nodes { if !isIntermediate(node, pathAttributeFromTreeID(treeID)) { intermediateNodes = append(intermediateNodes, node.GetNodeId()) } } if len(intermediateNodes) == 0 { return 0, layer.ErrNodeNotFound } if len(intermediateNodes) > 1 { return 0, fmt.Errorf("found more than one intermediate nodes") } return intermediateNodes[0], nil } func (c *TreeClient) getSubTreeByPrefix(ctx context.Context, cnrID *cid.ID, treeID, prefix string) ([]*tree.GetSubTreeResponse_Body, error) { rootID, tailPrefix, err := c.determinePrefixNode(ctx, cnrID, treeID, prefix) if err != nil { if errors.Is(err, layer.ErrNodeNotFound) { return nil, nil } return nil, err } subTree, err := c.getSubTree(ctx, cnrID, treeID, rootID, 1) if err != nil { return nil, err } result := make([]*tree.GetSubTreeResponse_Body, 0, len(subTree)) for _, node := range subTree { if node.GetNodeId() != rootID && hasPrefix(node, pathAttributeFromTreeID(treeID), tailPrefix) { result = append(result, node) } } return result, nil } func hasPrefix(node *tree.GetSubTreeResponse_Body, key, prefix string) bool { for _, kv := range node.GetMeta() { if kv.GetKey() == key { return strings.HasPrefix(string(kv.GetValue()), prefix) } } return false } func isIntermediate(node *tree.GetNodeByPathResponse_Info, key string) bool { if len(node.GetMeta()) != 1 { return false } return node.GetMeta()[0].GetKey() == key } func (c *TreeClient) getSubTreeVersions(ctx context.Context, cnrID *cid.ID, nodeID uint64, latestOnly bool) ([]*data.NodeVersion, error) { subTree, err := c.getSubTree(ctx, cnrID, versionTree, nodeID, maxGetSubTreeDepth) if err != nil { return nil, err } var emptyOID oid.ID versions := make(map[string][]*data.NodeVersion, len(subTree)) for _, node := range subTree { treeNode, err := newTreeNode(node) if err != nil || treeNode.ObjID.Equals(emptyOID) { // invalid or empty OID attribute continue } fileName, ok := treeNode.Get(fileNameKV) if !ok { continue } key := formLatestNodeKey(node.GetParentId(), fileName) versionNodes, ok := versions[key] if !ok { versionNodes = []*data.NodeVersion{newNodeVersionFromTreeNode(treeNode)} } else if !latestOnly { versionNodes = append(versionNodes, newNodeVersionFromTreeNode(treeNode)) } else if versionNodes[0].Timestamp <= treeNode.TimeStamp { versionNodes[0] = newNodeVersionFromTreeNode(treeNode) } versions[key] = versionNodes } result := make([]*data.NodeVersion, 0, len(versions)) // consider use len(subTree) for _, version := range versions { if latestOnly && version[0].DeleteMarker != nil { continue } result = append(result, version...) } return result, nil } func formLatestNodeKey(parentID uint64, fileName string) string { return strconv.FormatUint(parentID, 10) + fileName } func (c *TreeClient) GetAllVersionsByPrefix(ctx context.Context, cnrID *cid.ID, prefix string) ([]*data.NodeVersion, error) { subTreeNodes, err := c.getSubTreeByPrefix(ctx, cnrID, versionTree, prefix) if err != nil { return nil, err } var result []*data.NodeVersion for _, node := range subTreeNodes { versions, err := c.getSubTreeVersions(ctx, cnrID, node.GetNodeId(), false) if err != nil { return nil, err } result = append(result, versions...) } return result, nil } func (c *TreeClient) GetSystemVersion(ctx context.Context, cnrID *cid.ID, objectName string) (*data.BaseNodeVersion, error) { meta := []string{oidKV} path := pathFromName(objectName) node, err := c.getLatestVersion(ctx, cnrID, systemTree, path, meta) if err != nil { return nil, err } return &node.BaseNodeVersion, nil } func (c *TreeClient) getLatestVersion(ctx context.Context, cnrID *cid.ID, treeID string, path, meta []string) (*data.NodeVersion, error) { p := &getNodesParams{ CnrID: cnrID, TreeID: treeID, Path: path, Meta: meta, LatestOnly: true, AllAttrs: false, } nodes, err := c.getNodes(ctx, p) if err != nil { if strings.Contains(err.Error(), "not found") { return nil, layer.ErrNodeNotFound } return nil, fmt.Errorf("couldn't get nodes: %w", err) } if len(nodes) == 0 { return nil, layer.ErrNodeNotFound } return newNodeVersion(nodes[0]) } func (c *TreeClient) GetUnversioned(ctx context.Context, cnrID *cid.ID, filepath string) (*data.NodeVersion, error) { return c.getUnversioned(ctx, cnrID, versionTree, filepath) } func (c *TreeClient) getUnversioned(ctx context.Context, cnrID *cid.ID, treeID, filepath string) (*data.NodeVersion, error) { nodes, err := c.getVersions(ctx, cnrID, treeID, filepath, true) if err != nil { return nil, err } if len(nodes) > 1 { return nil, fmt.Errorf("found more than one unversioned node") } if len(nodes) != 1 { return nil, layer.ErrNodeNotFound } return nodes[0], nil } func (c *TreeClient) AddVersion(ctx context.Context, cnrID *cid.ID, filepath string, version *data.NodeVersion) error { return c.addVersion(ctx, cnrID, versionTree, filepath, version) } func (c *TreeClient) AddSystemVersion(ctx context.Context, cnrID *cid.ID, filepath string, version *data.BaseNodeVersion) error { newVersion := &data.NodeVersion{ BaseNodeVersion: *version, IsUnversioned: true, } return c.addVersion(ctx, cnrID, systemTree, filepath, newVersion) } func (c *TreeClient) RemoveVersion(ctx context.Context, cnrID *cid.ID, id uint64) error { return c.removeNode(ctx, cnrID, versionTree, id) } func (c *TreeClient) RemoveSystemVersion(ctx context.Context, cnrID *cid.ID, id uint64) error { return c.removeNode(ctx, cnrID, systemTree, id) } func (c *TreeClient) CreateMultipartUpload(ctx context.Context, cnrID *cid.ID, info *data.MultipartInfo) error { path := pathFromName(info.Key) meta := metaFromMultipart(info) return c.addNodeByPath(ctx, cnrID, systemTree, path[:len(path)-1], meta) } func (c *TreeClient) GetMultipartUploadsByPrefix(ctx context.Context, cnrID *cid.ID, prefix string) ([]*data.MultipartInfo, error) { subTreeNodes, err := c.getSubTreeByPrefix(ctx, cnrID, systemTree, prefix) if err != nil { return nil, err } var result []*data.MultipartInfo for _, node := range subTreeNodes { multipartUploads, err := c.getSubTreeMultipartUploads(ctx, cnrID, node.GetNodeId()) if err != nil { return nil, err } result = append(result, multipartUploads...) } return result, nil } func (c *TreeClient) getSubTreeMultipartUploads(ctx context.Context, cnrID *cid.ID, nodeID uint64) ([]*data.MultipartInfo, error) { subTree, err := c.getSubTree(ctx, cnrID, systemTree, nodeID, maxGetSubTreeDepth) if err != nil { return nil, err } result := make([]*data.MultipartInfo, 0, len(subTree)) for _, node := range subTree { multipartInfo, err := newMultipartInfo(node) if err != nil { // missed uploadID (it's a part node) continue } result = append(result, multipartInfo) } return result, nil } func (c *TreeClient) GetMultipartUpload(ctx context.Context, cnrID *cid.ID, objectName, uploadID string) (*data.MultipartInfo, error) { path := pathFromName(objectName) p := &getNodesParams{ CnrID: cnrID, TreeID: systemTree, Path: path, AllAttrs: true, } nodes, err := c.getNodes(ctx, p) if err != nil { return nil, err } for _, node := range nodes { info, err := newMultipartInfo(node) if err != nil { continue } if info.UploadID == uploadID { return info, nil } } return nil, layer.ErrNodeNotFound } func (c *TreeClient) AddPart(ctx context.Context, cnrID *cid.ID, multipartNodeID uint64, info *data.PartInfo) (oldObjIDToDelete *oid.ID, err error) { parts, err := c.getSubTree(ctx, cnrID, systemTree, multipartNodeID, 1) if err != nil { return nil, err } meta := map[string]string{ partNumberKV: strconv.Itoa(info.Number), oidKV: info.OID.EncodeToString(), } var foundPartID uint64 for _, part := range parts { if part.GetNodeId() == multipartNodeID { continue } partInfo, err := newPartInfo(part) if err != nil { continue } if partInfo.Number == info.Number { foundPartID = part.GetNodeId() oldObjIDToDelete = &partInfo.OID break } } if oldObjIDToDelete == nil { _, err = c.addNode(ctx, cnrID, systemTree, multipartNodeID, meta) return nil, err } return oldObjIDToDelete, c.moveNode(ctx, cnrID, systemTree, foundPartID, multipartNodeID, meta) } func (c *TreeClient) GetParts(ctx context.Context, cnrID *cid.ID, multipartNodeID uint64) ([]*data.PartInfo, error) { parts, err := c.getSubTree(ctx, cnrID, systemTree, multipartNodeID, 1) if err != nil { return nil, err } result := make([]*data.PartInfo, 0, len(parts)) for _, part := range parts { if part.GetNodeId() == multipartNodeID { continue } partInfo, err := newPartInfo(part) if err != nil { continue } result = append(result, partInfo) } return result, nil } func (c *TreeClient) Close() error { if c.conn != nil { return c.conn.Close() } return nil } func (c *TreeClient) addVersion(ctx context.Context, cnrID *cid.ID, treeID, filepath string, version *data.NodeVersion) error { path := pathFromName(filepath) meta := map[string]string{ oidKV: version.OID.EncodeToString(), pathAttributeFromTreeID(treeID): path[len(path)-1], } if version.DeleteMarker != nil { meta[isDeleteMarkerKV] = "true" meta[filePathKV] = version.DeleteMarker.FilePath meta[ownerKV] = version.DeleteMarker.Owner.EncodeToString() meta[createdKV] = strconv.FormatInt(version.DeleteMarker.Created.UTC().UnixMilli(), 10) } if version.IsUnversioned { meta[isUnversionedKV] = "true" node, err := c.getUnversioned(ctx, cnrID, treeID, filepath) if err == nil { parentID, err := c.getParent(ctx, cnrID, treeID, node.ID) if err != nil { return err } return c.moveNode(ctx, cnrID, treeID, node.ID, parentID, meta) } if !errors.Is(err, layer.ErrNodeNotFound) { return err } } return c.addNodeByPath(ctx, cnrID, treeID, path[:len(path)-1], meta) } func (c *TreeClient) getVersions(ctx context.Context, cnrID *cid.ID, treeID, filepath string, onlyUnversioned bool) ([]*data.NodeVersion, error) { keysToReturn := []string{oidKV, isUnversionedKV, isDeleteMarkerKV} path := pathFromName(filepath) p := &getNodesParams{ CnrID: cnrID, TreeID: treeID, Path: path, Meta: keysToReturn, LatestOnly: false, AllAttrs: false, } nodes, err := c.getNodes(ctx, p) if err != nil { if strings.Contains(err.Error(), "not found") { return nil, nil } return nil, fmt.Errorf("couldn't get nodes: %w", err) } result := make([]*data.NodeVersion, 0, len(nodes)) for _, node := range nodes { nodeVersion, err := newNodeVersion(node) if err != nil { return nil, err } if onlyUnversioned && !nodeVersion.IsUnversioned { continue } result = append(result, nodeVersion) } return result, nil } func (c *TreeClient) getParent(ctx context.Context, cnrID *cid.ID, treeID string, id uint64) (uint64, error) { subTree, err := c.getSubTree(ctx, cnrID, treeID, id, 0) if err != nil { return 0, err } return subTree[0].GetParentId(), nil } func (c *TreeClient) getSubTree(ctx context.Context, cnrID *cid.ID, treeID string, rootID uint64, depth uint32) ([]*tree.GetSubTreeResponse_Body, error) { request := &tree.GetSubTreeRequest{ Body: &tree.GetSubTreeRequest_Body{ ContainerId: cnrID[:], TreeId: treeID, RootId: rootID, Depth: depth, BearerToken: getBearer(ctx), }, } if err := c.signRequest(request.Body, func(key, sign []byte) { request.Signature = &tree.Signature{ Key: key, Sign: sign, } }); err != nil { return nil, err } cli, err := c.service.GetSubTree(ctx, request) if err != nil { if strings.Contains(err.Error(), "not found") { return nil, nil } return nil, fmt.Errorf("failed to get sub tree client: %w", err) } var subtree []*tree.GetSubTreeResponse_Body for { resp, err := cli.Recv() if err == io.EOF { break } else if err != nil { if strings.Contains(err.Error(), "not found") { return nil, nil } return nil, fmt.Errorf("failed to get sub tree: %w", err) } subtree = append(subtree, resp.Body) } return subtree, nil } func metaFromSettings(settings *data.BucketSettings) map[string]string { results := make(map[string]string, 3) results[systemNameKV] = settingsFileName results[versioningEnabledKV] = strconv.FormatBool(settings.VersioningEnabled) results[lockConfigurationKV] = encodeLockConfiguration(settings.LockConfiguration) return results } func metaFromMultipart(info *data.MultipartInfo) map[string]string { info.Meta[systemNameKV] = info.Key info.Meta[uploadIDKV] = info.UploadID info.Meta[ownerKV] = info.Owner.EncodeToString() info.Meta[createdKV] = strconv.FormatInt(info.Created.UTC().UnixMilli(), 10) return info.Meta } func (c *TreeClient) getSystemNode(ctx context.Context, cnrID *cid.ID, path, meta []string) (*TreeNode, error) { return c.getNode(ctx, cnrID, systemTree, path, meta, false) } func (c *TreeClient) getSystemNodeWithAllAttributes(ctx context.Context, cnrID *cid.ID, path []string) (*TreeNode, error) { return c.getNode(ctx, cnrID, systemTree, path, []string{}, true) } func (c *TreeClient) getNode(ctx context.Context, cnrID *cid.ID, treeID string, path, meta []string, allAttrs bool) (*TreeNode, error) { p := &getNodesParams{ CnrID: cnrID, TreeID: treeID, Path: path, Meta: meta, LatestOnly: false, AllAttrs: allAttrs, } nodes, err := c.getNodes(ctx, p) if err != nil { if strings.Contains(err.Error(), "not found") { return nil, layer.ErrNodeNotFound } return nil, fmt.Errorf("couldn't get nodes: %w", err) } if len(nodes) == 0 { return nil, layer.ErrNodeNotFound } if len(nodes) != 1 { return nil, fmt.Errorf("found more than one node") } return newTreeNode(nodes[0]) } func (c *TreeClient) getNodes(ctx context.Context, p *getNodesParams) ([]*tree.GetNodeByPathResponse_Info, error) { request := &tree.GetNodeByPathRequest{ Body: &tree.GetNodeByPathRequest_Body{ ContainerId: p.CnrID[:], TreeId: p.TreeID, Path: p.Path, Attributes: p.Meta, PathAttribute: pathAttributeFromTreeID(p.TreeID), LatestOnly: p.LatestOnly, AllAttributes: p.AllAttrs, BearerToken: getBearer(ctx), }, } if err := c.signRequest(request.Body, func(key, sign []byte) { request.Signature = &tree.Signature{ Key: key, Sign: sign, } }); err != nil { return nil, err } resp, err := c.service.GetNodeByPath(ctx, request) if err != nil { return nil, fmt.Errorf("failed to get node path: %w", err) } 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{ ContainerId: cnrID[:], TreeId: treeID, ParentId: parent, Meta: metaToKV(meta), BearerToken: getBearer(ctx), }, } if err := c.signRequest(request.Body, func(key, sign []byte) { request.Signature = &tree.Signature{ Key: key, Sign: sign, } }); err != nil { return 0, err } resp, err := c.service.Add(ctx, request) if err != nil { return 0, err } return resp.GetBody().GetNodeId(), nil } func (c *TreeClient) addNodeByPath(ctx context.Context, cnrID *cid.ID, treeID string, path []string, meta map[string]string) error { request := &tree.AddByPathRequest{ Body: &tree.AddByPathRequest_Body{ ContainerId: cnrID[:], TreeId: treeID, Path: path, Meta: metaToKV(meta), PathAttribute: pathAttributeFromTreeID(treeID), BearerToken: getBearer(ctx), }, } if err := c.signRequest(request.Body, func(key, sign []byte) { request.Signature = &tree.Signature{ Key: key, Sign: sign, } }); err != nil { return err } _, err := c.service.AddByPath(ctx, request) return err } func pathAttributeFromTreeID(treeID string) string { switch treeID { case systemTree: return systemNameKV default: return fileNameKV } } func (c *TreeClient) moveNode(ctx context.Context, cnrID *cid.ID, treeID string, nodeID, parentID uint64, meta map[string]string) error { request := &tree.MoveRequest{ Body: &tree.MoveRequest_Body{ ContainerId: cnrID[:], TreeId: treeID, NodeId: nodeID, ParentId: parentID, Meta: metaToKV(meta), BearerToken: getBearer(ctx), }, } if err := c.signRequest(request.Body, func(key, sign []byte) { request.Signature = &tree.Signature{ Key: key, Sign: sign, } }); err != nil { return err } _, err := c.service.Move(ctx, request) return err } func (c *TreeClient) removeNode(ctx context.Context, cnrID *cid.ID, treeID string, nodeID uint64) error { request := &tree.RemoveRequest{ Body: &tree.RemoveRequest_Body{ ContainerId: cnrID[:], TreeId: treeID, NodeId: nodeID, BearerToken: getBearer(ctx), }, } if err := c.signRequest(request.Body, func(key, sign []byte) { request.Signature = &tree.Signature{ Key: key, Sign: sign, } }); err != nil { return err } _, err := c.service.Remove(ctx, request) return err } func metaToKV(meta map[string]string) []*tree.KeyValue { result := make([]*tree.KeyValue, 0, len(meta)) for key, value := range meta { result = append(result, &tree.KeyValue{Key: key, Value: []byte(value)}) } return result } func parseLockConfiguration(value string) (*data.ObjectLockConfiguration, error) { result := &data.ObjectLockConfiguration{} if len(value) == 0 { return result, nil } lockValues := strings.Split(value, ",") result.ObjectLockEnabled = lockValues[0] if len(lockValues) == 1 { return result, nil } if len(lockValues) != 4 { return nil, fmt.Errorf("invalid lock configuration: %s", value) } var err error var days, years int64 if len(lockValues[1]) > 0 { if days, err = strconv.ParseInt(lockValues[1], 10, 64); err != nil { return nil, fmt.Errorf("invalid lock configuration: %s", value) } } if len(lockValues[3]) > 0 { if years, err = strconv.ParseInt(lockValues[3], 10, 64); err != nil { return nil, fmt.Errorf("invalid lock configuration: %s", value) } } result.Rule = &data.ObjectLockRule{ DefaultRetention: &data.DefaultRetention{ Days: days, Mode: lockValues[2], Years: years, }, } return result, nil } func encodeLockConfiguration(conf *data.ObjectLockConfiguration) string { if conf == nil { return "" } if conf.Rule == nil || conf.Rule.DefaultRetention == nil { return conf.ObjectLockEnabled } defaults := conf.Rule.DefaultRetention return fmt.Sprintf("%s,%d,%s,%d", conf.ObjectLockEnabled, defaults.Days, defaults.Mode, defaults.Years) }