package cmd import ( "crypto/ecdsa" "encoding/hex" "errors" "fmt" "io" "os" "path/filepath" "strconv" "strings" "time" objectV2 "github.com/nspcc-dev/neofs-api-go/v2/object" internalclient "github.com/nspcc-dev/neofs-node/cmd/neofs-cli/internal/client" "github.com/nspcc-dev/neofs-sdk-go/checksum" cid "github.com/nspcc-dev/neofs-sdk-go/container/id" "github.com/nspcc-dev/neofs-sdk-go/object" addressSDK "github.com/nspcc-dev/neofs-sdk-go/object/address" oidSDK "github.com/nspcc-dev/neofs-sdk-go/object/id" "github.com/nspcc-dev/neofs-sdk-go/owner" "github.com/nspcc-dev/neofs-sdk-go/session" "github.com/nspcc-dev/neofs-sdk-go/token" "github.com/spf13/cobra" ) const ( getRangeCmdUse = "range" getRangeCmdShortDesc = "Get payload range data of an object" getRangeCmdLongDesc = "Get payload range data of an object" ) const ( getRangeHashSaltFlag = "salt" ) const bearerTokenFlag = "bearer" const sessionTokenLifetime = 10 // in epochs var ( // objectCmd represents the object command objectCmd = &cobra.Command{ Use: "object", Short: "Operations with Objects", Long: `Operations with Objects`, PersistentPreRun: func(cmd *cobra.Command, args []string) { // bind exactly that cmd's flags to // the viper before execution bindCommonFlags(cmd) bindAPIFlags(cmd) }, } objectPutCmd = &cobra.Command{ Use: "put", Short: "Put object to NeoFS", Long: "Put object to NeoFS", Run: putObject, } objectGetCmd = &cobra.Command{ Use: "get", Short: "Get object from NeoFS", Long: "Get object from NeoFS", Run: getObject, } objectDelCmd = &cobra.Command{ Use: "delete", Aliases: []string{"del"}, Short: "Delete object from NeoFS", Long: "Delete object from NeoFS", Run: deleteObject, } searchFilters []string objectSearchCmd = &cobra.Command{ Use: "search", Short: "Search object", Long: "Search object", Run: searchObject, } objectHeadCmd = &cobra.Command{ Use: "head", Short: "Get object header", Long: "Get object header", Run: getObjectHeader, } objectHashCmd = &cobra.Command{ Use: "hash", Short: "Get object hash", Long: "Get object hash", Run: getObjectHash, } objectRangeCmd = &cobra.Command{ Use: getRangeCmdUse, Short: getRangeCmdShortDesc, Long: getRangeCmdLongDesc, Run: getObjectRange, } ) const ( hashSha256 = "sha256" hashTz = "tz" rangeSep = ":" ) const searchOIDFlag = "oid" const ( rawFlag = "raw" rawFlagDesc = "Set raw request option" ) const putExpiresOnFlag = "expires-on" var putExpiredOn uint64 func initObjectPutCmd() { initCommonFlags(objectPutCmd) flags := objectPutCmd.Flags() flags.String("file", "", "File with object payload") _ = objectPutCmd.MarkFlagFilename("file") _ = objectPutCmd.MarkFlagRequired("file") flags.String("cid", "", "Container ID") _ = objectPutCmd.MarkFlagRequired("cid") flags.String("attributes", "", "User attributes in form of Key1=Value1,Key2=Value2") flags.Bool("disable-filename", false, "Do not set well-known filename attribute") flags.Bool("disable-timestamp", false, "Do not set well-known timestamp attribute") flags.Uint64VarP(&putExpiredOn, putExpiresOnFlag, "e", 0, "Last epoch in the life of the object") } func initObjectDeleteCmd() { initCommonFlags(objectDelCmd) flags := objectDelCmd.Flags() flags.String("cid", "", "Container ID") _ = objectDelCmd.MarkFlagRequired("cid") flags.String("oid", "", "Object ID") _ = objectDelCmd.MarkFlagRequired("oid") } func initObjectGetCmd() { initCommonFlags(objectGetCmd) flags := objectGetCmd.Flags() flags.String("cid", "", "Container ID") _ = objectGetCmd.MarkFlagRequired("cid") flags.String("oid", "", "Object ID") _ = objectGetCmd.MarkFlagRequired("oid") flags.String("file", "", "File to write object payload to. Default: stdout.") flags.String("header", "", "File to write header to. Default: stdout.") flags.Bool(rawFlag, false, rawFlagDesc) } func initObjectSearchCmd() { initCommonFlags(objectSearchCmd) flags := objectSearchCmd.Flags() flags.String("cid", "", "Container ID") _ = objectSearchCmd.MarkFlagRequired("cid") flags.StringSliceVarP(&searchFilters, "filters", "f", nil, "Repeated filter expressions or files with protobuf JSON") flags.Bool("root", false, "Search for user objects") flags.Bool("phy", false, "Search physically stored objects") flags.String(searchOIDFlag, "", "Search object by identifier") } func initObjectHeadCmd() { initCommonFlags(objectHeadCmd) flags := objectHeadCmd.Flags() flags.String("cid", "", "Container ID") _ = objectHeadCmd.MarkFlagRequired("cid") flags.String("oid", "", "Object ID") _ = objectHeadCmd.MarkFlagRequired("oid") flags.String("file", "", "File to write header to. Default: stdout.") flags.Bool("main-only", false, "Return only main fields") flags.Bool("json", false, "Marshal output in JSON") flags.Bool("proto", false, "Marshal output in Protobuf") flags.Bool(rawFlag, false, rawFlagDesc) } func initObjectHashCmd() { initCommonFlags(objectHashCmd) flags := objectHashCmd.Flags() flags.String("cid", "", "Container ID") _ = objectHashCmd.MarkFlagRequired("cid") flags.String("oid", "", "Object ID") _ = objectHashCmd.MarkFlagRequired("oid") flags.String("range", "", "Range to take hash from in the form offset1:length1,...") flags.String("type", hashSha256, "Hash type. Either 'sha256' or 'tz'") flags.String(getRangeHashSaltFlag, "", "Salt in hex format") } func initObjectRangeCmd() { initCommonFlags(objectRangeCmd) flags := objectRangeCmd.Flags() flags.String("cid", "", "Container ID") _ = objectRangeCmd.MarkFlagRequired("cid") flags.String("oid", "", "Object ID") _ = objectRangeCmd.MarkFlagRequired("oid") flags.String("range", "", "Range to take data from in the form offset:length") flags.String("file", "", "File to write object payload to. Default: stdout.") flags.Bool(rawFlag, false, rawFlagDesc) } func init() { objectChildCommands := []*cobra.Command{ objectPutCmd, objectDelCmd, objectGetCmd, objectSearchCmd, objectHeadCmd, objectHashCmd, objectRangeCmd, } rootCmd.AddCommand(objectCmd) objectCmd.AddCommand(objectChildCommands...) for _, objCommand := range objectChildCommands { flags := objCommand.Flags() flags.String(bearerTokenFlag, "", "File with signed JSON or binary encoded bearer token") flags.StringSliceVarP(&xHeaders, xHeadersKey, xHeadersShorthand, xHeadersDefault, xHeadersUsage) flags.Uint32P(ttl, ttlShorthand, ttlDefault, ttlUsage) } // Here you will define your flags and configuration settings. // Cobra supports Persistent Flags which will work for this command // and all subcommands, e.g.: // objectCmd.PersistentFlags().String("foo", "", "A help for foo") // Cobra supports local flags which will only run when this command // is called directly, e.g.: // objectCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle") initObjectPutCmd() initObjectDeleteCmd() initObjectGetCmd() initObjectSearchCmd() initObjectHeadCmd() initObjectHashCmd() initObjectRangeCmd() } type clientKeySession interface { clientWithKey SetSessionToken(*session.Token) } func prepareSessionPrm(cmd *cobra.Command, prms ...clientKeySession) { key, err := getKey() exitOnErr(cmd, errf("get private key: %w", err)) prepareSessionPrmWithKey(cmd, key, prms...) } func prepareSessionPrmWithKey(cmd *cobra.Command, key *ecdsa.PrivateKey, prms ...clientKeySession) { ownerID, err := getOwnerID(key) exitOnErr(cmd, errf("owner ID from key: %w", err)) prepareSessionPrmWithOwner(cmd, key, ownerID, prms...) } func prepareSessionPrmWithOwner( cmd *cobra.Command, key *ecdsa.PrivateKey, ownerID *owner.ID, prms ...clientKeySession, ) { var ( sessionPrm internalclient.CreateSessionPrm netInfoPrm internalclient.NetworkInfoPrm ) cws := make([]clientWithKey, 2, len(prms)+2) cws[0] = &sessionPrm cws[1] = &netInfoPrm for i := range prms { cws = append(cws, prms[i]) } prepareAPIClientWithKey(cmd, key, cws...) ni, err := internalclient.NetworkInfo(netInfoPrm) exitOnErr(cmd, errf("read network info: %w", err)) sessionPrm.SetExp(ni.NetworkInfo().CurrentEpoch() + sessionTokenLifetime) sessionRes, err := internalclient.CreateSession(sessionPrm) exitOnErr(cmd, errf("open session: %w", err)) tok := session.NewToken() tok.SetID(sessionRes.ID()) tok.SetSessionKey(sessionRes.SessionKey()) tok.SetOwnerID(ownerID) for i := range prms { prms[i].SetSessionToken(tok) } } type objectPrm interface { bearerPrm SetTTL(uint32) SetXHeaders([]*session.XHeader) } func prepareObjectPrm(cmd *cobra.Command, prms ...objectPrm) { for i := range prms { prepareBearerPrm(cmd, prms[i]) prms[i].SetTTL(getTTL()) prms[i].SetXHeaders(parseXHeaders()) } } func prepareObjectPrmRaw(cmd *cobra.Command, prm interface { objectPrm SetRawFlag(bool) }) { prepareObjectPrm(cmd, prm) raw, _ := cmd.Flags().GetBool(rawFlag) prm.SetRawFlag(raw) } func putObject(cmd *cobra.Command, _ []string) { key, err := getKey() exitOnErr(cmd, errf("can't fetch private key: %w", err)) ownerID, err := getOwnerID(key) exitOnErr(cmd, err) cid, err := getCID(cmd) exitOnErr(cmd, err) filename := cmd.Flag("file").Value.String() f, err := os.OpenFile(filename, os.O_RDONLY, os.ModePerm) if err != nil { exitOnErr(cmd, fmt.Errorf("can't open file '%s': %w", filename, err)) } attrs, err := parseObjectAttrs(cmd) exitOnErr(cmd, errf("can't parse object attributes: %w", err)) expiresOn, _ := cmd.Flags().GetUint64(putExpiresOnFlag) if expiresOn > 0 { var expAttr *object.Attribute for _, a := range attrs { if a.Key() == objectV2.SysAttributeExpEpoch { expAttr = a break } } if expAttr == nil { expAttr = object.NewAttribute() expAttr.SetKey(objectV2.SysAttributeExpEpoch) attrs = append(attrs, expAttr) } expAttr.SetValue(strconv.FormatUint(expiresOn, 10)) } obj := object.NewRaw() obj.SetContainerID(cid) obj.SetOwnerID(ownerID) obj.SetAttributes(attrs...) var prm internalclient.PutObjectPrm prepareSessionPrmWithOwner(cmd, key, ownerID, &prm) prepareObjectPrm(cmd, &prm) prm.SetHeader(obj.Object()) prm.SetPayloadReader(f) res, err := internalclient.PutObject(prm) exitOnErr(cmd, errf("rpc error: %w", err)) cmd.Printf("[%s] Object successfully stored\n", filename) cmd.Printf(" ID: %s\n CID: %s\n", res.ID(), cid) } func deleteObject(cmd *cobra.Command, _ []string) { objAddr, err := getObjectAddress(cmd) exitOnErr(cmd, err) var prm internalclient.DeleteObjectPrm prepareSessionPrm(cmd, &prm) prepareObjectPrm(cmd, &prm) prm.SetAddress(objAddr) res, err := internalclient.DeleteObject(prm) exitOnErr(cmd, errf("rpc error: %w", err)) tombstoneAddr := res.TombstoneAddress() cmd.Println("Object removed successfully.") cmd.Printf(" ID: %s\n CID: %s\n", tombstoneAddr.ObjectID(), tombstoneAddr.ContainerID()) } func getObject(cmd *cobra.Command, _ []string) { objAddr, err := getObjectAddress(cmd) exitOnErr(cmd, err) var out io.Writer filename := cmd.Flag("file").Value.String() if filename == "" { out = os.Stdout } else { f, err := os.OpenFile(filename, os.O_CREATE|os.O_WRONLY, os.ModePerm) if err != nil { exitOnErr(cmd, fmt.Errorf("can't open file '%s': %w", filename, err)) } defer f.Close() out = f } var prm internalclient.GetObjectPrm prepareSessionPrm(cmd, &prm) prepareObjectPrmRaw(cmd, &prm) prm.SetAddress(objAddr) prm.SetPayloadWriter(out) res, err := internalclient.GetObject(prm) if err != nil { if ok := printSplitInfoErr(cmd, err); ok { return } exitOnErr(cmd, errf("rpc error: %w", err)) } if filename != "" { cmd.Printf("[%s] Object successfully saved\n", filename) } // Print header only if file is not streamed to stdout. hdrFile := cmd.Flag("header").Value.String() if filename != "" || hdrFile != "" { err = saveAndPrintHeader(cmd, res.Header(), hdrFile) exitOnErr(cmd, err) } } func getObjectHeader(cmd *cobra.Command, _ []string) { objAddr, err := getObjectAddress(cmd) exitOnErr(cmd, err) mainOnly, _ := cmd.Flags().GetBool("main-only") var prm internalclient.HeadObjectPrm prepareSessionPrm(cmd, &prm) prepareObjectPrmRaw(cmd, &prm) prm.SetAddress(objAddr) prm.SetMainOnlyFlag(mainOnly) res, err := internalclient.HeadObject(prm) if err != nil { if ok := printSplitInfoErr(cmd, err); ok { return } exitOnErr(cmd, errf("rpc error: %w", err)) } err = saveAndPrintHeader(cmd, res.Header(), cmd.Flag("file").Value.String()) exitOnErr(cmd, err) } func searchObject(cmd *cobra.Command, _ []string) { cid, err := getCID(cmd) exitOnErr(cmd, err) sf, err := parseSearchFilters(cmd) exitOnErr(cmd, err) var prm internalclient.SearchObjectsPrm prepareSessionPrm(cmd, &prm) prepareObjectPrm(cmd, &prm) prm.SetContainerID(cid) prm.SetFilters(sf) res, err := internalclient.SearchObjects(prm) exitOnErr(cmd, errf("rpc error: %w", err)) ids := res.IDList() cmd.Printf("Found %d objects.\n", len(ids)) for _, id := range ids { cmd.Println(id) } } func getObjectHash(cmd *cobra.Command, _ []string) { objAddr, err := getObjectAddress(cmd) exitOnErr(cmd, err) ranges, err := getRangeList(cmd) exitOnErr(cmd, err) typ, err := getHashType(cmd) exitOnErr(cmd, err) strSalt := strings.TrimPrefix(cmd.Flag(getRangeHashSaltFlag).Value.String(), "0x") salt, err := hex.DecodeString(strSalt) exitOnErr(cmd, errf("could not decode salt: %w", err)) var ( hashPrm internalclient.HashPayloadRangesPrm headPrm internalclient.HeadObjectPrm sesPrms = []clientKeySession{&hashPrm} objPrms = []objectPrm{&hashPrm} ) fullHash := len(ranges) == 0 if fullHash { sesPrms = append(sesPrms, &headPrm) objPrms = append(objPrms, &headPrm) } prepareSessionPrm(cmd, sesPrms...) prepareObjectPrm(cmd, objPrms...) tz := typ == hashTz if fullHash { headPrm.SetAddress(objAddr) // get hash of full payload through HEAD (may be user can do it through dedicated command?) res, err := internalclient.HeadObject(headPrm) exitOnErr(cmd, errf("rpc error: %w", err)) var cs *checksum.Checksum if tz { cs = res.Header().PayloadHomomorphicHash() } else { cs = res.Header().PayloadChecksum() } cmd.Println(hex.EncodeToString(cs.Sum())) return } hashPrm.SetAddress(objAddr) hashPrm.SetSalt(salt) hashPrm.SetRanges(ranges) if tz { hashPrm.TZ() } res, err := internalclient.HashPayloadRanges(hashPrm) exitOnErr(cmd, errf("rpc error: %w", err)) hs := res.HashList() for i := range hs { cmd.Printf("Offset=%d (Length=%d)\t: %s\n", ranges[i].GetOffset(), ranges[i].GetLength(), hex.EncodeToString(hs[i])) } } func getOwnerID(key *ecdsa.PrivateKey) (*owner.ID, error) { return owner.NewIDFromPublicKey(&key.PublicKey), nil } var searchUnaryOpVocabulary = map[string]object.SearchMatchType{ "NOPRESENT": object.MatchNotPresent, } var searchBinaryOpVocabulary = map[string]object.SearchMatchType{ "EQ": object.MatchStringEqual, "NE": object.MatchStringNotEqual, "COMMON_PREFIX": object.MatchCommonPrefix, } func parseSearchFilters(cmd *cobra.Command) (object.SearchFilters, error) { var fs object.SearchFilters for i := range searchFilters { words := strings.Fields(searchFilters[i]) switch len(words) { default: return nil, fmt.Errorf("invalid field number: %d", len(words)) case 1: data, err := os.ReadFile(words[0]) if err != nil { return nil, fmt.Errorf("could not read attributes filter from file: %w", err) } subFs := object.NewSearchFilters() if err := subFs.UnmarshalJSON(data); err != nil { return nil, fmt.Errorf("could not unmarshal attributes filter from file: %w", err) } fs = append(fs, subFs...) case 2: m, ok := searchUnaryOpVocabulary[words[1]] if !ok { return nil, fmt.Errorf("unsupported unary op: %s", words[1]) } fs.AddFilter(words[0], "", m) case 3: m, ok := searchBinaryOpVocabulary[words[1]] if !ok { return nil, fmt.Errorf("unsupported binary op: %s", words[1]) } fs.AddFilter(words[0], words[2], m) } } root, _ := cmd.Flags().GetBool("root") if root { fs.AddRootFilter() } phy, _ := cmd.Flags().GetBool("phy") if phy { fs.AddPhyFilter() } oid, _ := cmd.Flags().GetString(searchOIDFlag) if oid != "" { id := oidSDK.NewID() if err := id.Parse(oid); err != nil { return nil, fmt.Errorf("could not parse object ID: %w", err) } fs.AddObjectIDFilter(object.MatchStringEqual, id) } return fs, nil } func parseObjectAttrs(cmd *cobra.Command) ([]*object.Attribute, error) { var rawAttrs []string raw := cmd.Flag("attributes").Value.String() if len(raw) != 0 { rawAttrs = strings.Split(raw, ",") } attrs := make([]*object.Attribute, 0, len(rawAttrs)+2) // name + timestamp attributes for i := range rawAttrs { kv := strings.SplitN(rawAttrs[i], "=", 2) if len(kv) != 2 { return nil, fmt.Errorf("invalid attribute format: %s", rawAttrs[i]) } attr := object.NewAttribute() attr.SetKey(kv[0]) attr.SetValue(kv[1]) attrs = append(attrs, attr) } disableFilename, _ := cmd.Flags().GetBool("disable-filename") if !disableFilename { filename := filepath.Base(cmd.Flag("file").Value.String()) attr := object.NewAttribute() attr.SetKey(object.AttributeFileName) attr.SetValue(filename) attrs = append(attrs, attr) } disableTime, _ := cmd.Flags().GetBool("disable-timestamp") if !disableTime { attr := object.NewAttribute() attr.SetKey(object.AttributeTimestamp) attr.SetValue(strconv.FormatInt(time.Now().Unix(), 10)) attrs = append(attrs, attr) } return attrs, nil } func getCID(cmd *cobra.Command) (*cid.ID, error) { id := cid.New() err := id.Parse(cmd.Flag("cid").Value.String()) if err != nil { return nil, fmt.Errorf("could not parse container ID: %w", err) } return id, nil } func getOID(cmd *cobra.Command) (*oidSDK.ID, error) { oid := oidSDK.NewID() err := oid.Parse(cmd.Flag("oid").Value.String()) if err != nil { return nil, fmt.Errorf("could not parse object ID: %w", err) } return oid, nil } func getObjectAddress(cmd *cobra.Command) (*addressSDK.Address, error) { cid, err := getCID(cmd) if err != nil { return nil, err } oid, err := getOID(cmd) if err != nil { return nil, err } objAddr := addressSDK.NewAddress() objAddr.SetContainerID(cid) objAddr.SetObjectID(oid) return objAddr, nil } func getRangeList(cmd *cobra.Command) ([]*object.Range, error) { v := cmd.Flag("range").Value.String() if len(v) == 0 { return nil, nil } vs := strings.Split(v, ",") rs := make([]*object.Range, len(vs)) for i := range vs { r := strings.Split(vs[i], rangeSep) if len(r) != 2 { return nil, fmt.Errorf("invalid range specifier: %s", vs[i]) } offset, err := strconv.ParseUint(r[0], 10, 64) if err != nil { return nil, fmt.Errorf("invalid range specifier: %s", vs[i]) } length, err := strconv.ParseUint(r[1], 10, 64) if err != nil { return nil, fmt.Errorf("invalid range specifier: %s", vs[i]) } rs[i] = object.NewRange() rs[i].SetOffset(offset) rs[i].SetLength(length) } return rs, nil } func getHashType(cmd *cobra.Command) (string, error) { rawType := cmd.Flag("type").Value.String() switch typ := strings.ToLower(rawType); typ { case hashSha256, hashTz: return typ, nil default: return "", fmt.Errorf("invalid hash type: %s", typ) } } func saveAndPrintHeader(cmd *cobra.Command, obj *object.Object, filename string) error { bs, err := marshalHeader(cmd, obj) if err != nil { return fmt.Errorf("could not marshal header: %w", err) } if len(bs) != 0 { if filename == "" { cmd.Println(string(bs)) return nil } err = os.WriteFile(filename, bs, os.ModePerm) if err != nil { return fmt.Errorf("could not write header to file: %w", err) } cmd.Printf("[%s] Header successfully saved.", filename) } return printHeader(cmd, obj) } func printHeader(cmd *cobra.Command, obj *object.Object) error { cmd.Printf("ID: %s\n", obj.ID()) cmd.Printf("CID: %s\n", obj.ContainerID()) cmd.Printf("Owner: %s\n", obj.OwnerID()) cmd.Printf("CreatedAt: %d\n", obj.CreationEpoch()) cmd.Printf("Size: %d\n", obj.PayloadSize()) cmd.Printf("HomoHash: %s\n", hex.EncodeToString(obj.PayloadHomomorphicHash().Sum())) cmd.Printf("Checksum: %s\n", hex.EncodeToString(obj.PayloadChecksum().Sum())) switch obj.Type() { case object.TypeRegular: cmd.Println("Type: regular") case object.TypeTombstone: cmd.Println("Type: tombstone") case object.TypeStorageGroup: cmd.Println("Type: storage group") default: cmd.Println("Type: unknown") } cmd.Println("Attributes:") for _, attr := range obj.Attributes() { if attr.Key() == object.AttributeTimestamp { cmd.Printf(" %s=%s (%s)\n", attr.Key(), attr.Value(), prettyPrintUnixTime(attr.Value())) continue } cmd.Printf(" %s=%s\n", attr.Key(), attr.Value()) } return printSplitHeader(cmd, obj) } func printSplitHeader(cmd *cobra.Command, obj *object.Object) error { if splitID := obj.SplitID(); splitID != nil { cmd.Printf("Split ID: %s\n", splitID) } if oid := obj.ParentID(); oid != nil { cmd.Printf("Split ParentID: %s\n", oid) } if prev := obj.PreviousID(); prev != nil { cmd.Printf("Split PreviousID: %s\n", prev) } for _, child := range obj.Children() { cmd.Printf("Split ChildID: %s\n", child) } if signature := obj.Signature(); signature != nil { cmd.Print("Split Header Signature:\n") cmd.Printf(" public key: %s\n", hex.EncodeToString(signature.Key())) cmd.Printf(" signature: %s\n", hex.EncodeToString(signature.Sign())) } parent := obj.Parent() if parent != nil { cmd.Print("\nSplit Parent Header:\n") return printHeader(cmd, parent) } return nil } func marshalHeader(cmd *cobra.Command, hdr *object.Object) ([]byte, error) { toJSON, _ := cmd.Flags().GetBool("json") toProto, _ := cmd.Flags().GetBool("proto") switch { case toJSON && toProto: return nil, errors.New("'--json' and '--proto' flags are mutually exclusive") case toJSON: return hdr.MarshalJSON() case toProto: return hdr.Marshal() default: return nil, nil } } func getBearerToken(cmd *cobra.Command, flagname string) (*token.BearerToken, error) { path, err := cmd.Flags().GetString(flagname) if err != nil || len(path) == 0 { return nil, nil } data, err := os.ReadFile(path) if err != nil { return nil, fmt.Errorf("can't read bearer token file: %w", err) } tok := token.NewBearerToken() if err := tok.UnmarshalJSON(data); err != nil { if err = tok.Unmarshal(data); err != nil { return nil, fmt.Errorf("can't decode bearer token: %w", err) } printVerbose("Using binary encoded bearer token") } else { printVerbose("Using JSON encoded bearer token") } return tok, nil } func getObjectRange(cmd *cobra.Command, _ []string) { objAddr, err := getObjectAddress(cmd) exitOnErr(cmd, err) ranges, err := getRangeList(cmd) exitOnErr(cmd, err) if len(ranges) != 1 { exitOnErr(cmd, fmt.Errorf("exactly one range must be specified, got: %d", len(ranges))) } var out io.Writer filename := cmd.Flag("file").Value.String() if filename == "" { out = os.Stdout } else { f, err := os.OpenFile(filename, os.O_CREATE|os.O_WRONLY, os.ModePerm) if err != nil { exitOnErr(cmd, fmt.Errorf("can't open file '%s': %w", filename, err)) } defer f.Close() out = f } var prm internalclient.PayloadRangePrm prepareSessionPrm(cmd, &prm) prepareObjectPrmRaw(cmd, &prm) prm.SetAddress(objAddr) prm.SetRange(ranges[0]) prm.SetPayloadWriter(out) _, err = internalclient.PayloadRange(prm) if err != nil { if ok := printSplitInfoErr(cmd, err); ok { return } exitOnErr(cmd, fmt.Errorf("can't get object payload range: %w", err)) } if filename != "" { cmd.Printf("[%s] Payload successfully saved\n", filename) } } func printSplitInfoErr(cmd *cobra.Command, err error) bool { var errSplitInfo *object.SplitInfoError ok := errors.As(err, &errSplitInfo) if ok { cmd.Println("Object is complex, split information received.") printSplitInfo(cmd, errSplitInfo.SplitInfo()) } return ok } func printSplitInfo(cmd *cobra.Command, info *object.SplitInfo) { if splitID := info.SplitID(); splitID != nil { cmd.Println("Split ID:", splitID) } if link := info.Link(); link != nil { cmd.Println("Linking object:", link) } if last := info.LastPart(); last != nil { cmd.Println("Last object:", last) } }