From 4d2ff842a29efeacdc1af3a953a223625a0ec2ce Mon Sep 17 00:00:00 2001 From: Evgenii Stratonikov Date: Thu, 15 Oct 2020 13:40:58 +0300 Subject: [PATCH] [#79] Implement object commands Signed-off-by: Evgenii Stratonikov --- cmd/neofs-cli/modules/object.go | 578 +++++++++++++++++++++++++++++++- 1 file changed, 569 insertions(+), 9 deletions(-) diff --git a/cmd/neofs-cli/modules/object.go b/cmd/neofs-cli/modules/object.go index b5c5d543e..ac402a579 100644 --- a/cmd/neofs-cli/modules/object.go +++ b/cmd/neofs-cli/modules/object.go @@ -1,24 +1,138 @@ package cmd import ( + "context" + "crypto/sha256" + "encoding/hex" + "encoding/json" + "errors" "fmt" + "io" + "io/ioutil" + "math" + "os" + "strconv" + "strings" + "github.com/mr-tron/base58" + "github.com/nspcc-dev/neofs-api-go/pkg/client" + "github.com/nspcc-dev/neofs-api-go/pkg/container" + "github.com/nspcc-dev/neofs-api-go/pkg/object" + "github.com/nspcc-dev/neofs-api-go/pkg/owner" + "github.com/nspcc-dev/neofs-api-go/pkg/token" "github.com/spf13/cobra" ) -// objectCmd represents the object command -var objectCmd = &cobra.Command{ - Use: "object", - Short: "Operations with Objects", - Long: `Operations with Objects`, - Run: func(cmd *cobra.Command, args []string) { - fmt.Println("object called") - }, -} +var ( + // objectCmd represents the object command + objectCmd = &cobra.Command{ + Use: "object", + Short: "Operations with Objects", + Long: `Operations with Objects`, + } + + objectPutCmd = &cobra.Command{ + Use: "put", + Short: "Put object to NeoFS", + Long: "Put object to NeoFS", + RunE: putObject, + } + + objectGetCmd = &cobra.Command{ + Use: "get", + Short: "Get object from NeoFS", + Long: "Get object from NeoFS", + RunE: getObject, + } + + objectDelCmd = &cobra.Command{ + Use: "delete", + Aliases: []string{"del"}, + Short: "Delete object from NeoFS", + Long: "Delete object from NeoFS", + RunE: deleteObject, + } + + objectSearchCmd = &cobra.Command{ + Use: "search", + Short: "Search object", + Long: "Search object", + RunE: searchObject, + } + + objectHeadCmd = &cobra.Command{ + Use: "head", + Short: "Get object header", + Long: "Get object header", + RunE: getObjectHeader, + } + + objectHashCmd = &cobra.Command{ + Use: "hash", + Short: "Get object hash", + Long: "Get object hash", + RunE: getObjectHash, + } +) + +const ( + hashSha256 = "sha256" + hashTz = "tz" + rangeSep = ":" +) func init() { rootCmd.AddCommand(objectCmd) + objectCmd.AddCommand(objectPutCmd) + objectPutCmd.Flags().String("file", "", "File with object payload") + _ = objectPutCmd.MarkFlagFilename("file") + _ = objectPutCmd.MarkFlagRequired("file") + objectPutCmd.Flags().String("cid", "", "Container ID") + _ = objectPutCmd.MarkFlagRequired("cid") + objectPutCmd.Flags().String("attributes", "", "User attributes in form of Key1=Value1,Key2=Value2") + + objectCmd.AddCommand(objectDelCmd) + objectDelCmd.Flags().String("cid", "", "Container ID") + _ = objectDelCmd.MarkFlagRequired("cid") + objectDelCmd.Flags().String("oid", "", "Object ID") + _ = objectDelCmd.MarkFlagRequired("oid") + + objectCmd.AddCommand(objectGetCmd) + objectGetCmd.Flags().String("file", "", "File to write object payload to. Default: stdout.") + objectGetCmd.Flags().String("header", "", "File to write header to. Default: stdout.") + objectGetCmd.Flags().String("cid", "", "Container ID") + _ = objectGetCmd.MarkFlagRequired("cid") + objectGetCmd.Flags().String("oid", "", "Object ID") + _ = objectGetCmd.MarkFlagRequired("oid") + + objectCmd.AddCommand(objectSearchCmd) + objectSearchCmd.Flags().String("cid", "", "Container ID") + _ = objectSearchCmd.MarkFlagRequired("cid") + objectSearchCmd.Flags().String("filters", "", "Filters in the form hdrName=value,...") + objectSearchCmd.Flags().Bool("root", false, "Search for user objects") + objectSearchCmd.Flags().Bool("no-root", false, "Search for service objects") + objectSearchCmd.Flags().Bool("leaf", false, "Search physically stored objects") + objectSearchCmd.Flags().Bool("no-leaf", false, "Search for virtual objects") + + objectCmd.AddCommand(objectHeadCmd) + objectHeadCmd.Flags().String("file", "", "File to write header to. Default: stdout.") + objectHeadCmd.Flags().String("cid", "", "Container ID") + _ = objectHeadCmd.MarkFlagRequired("cid") + objectHeadCmd.Flags().String("oid", "", "Object ID") + _ = objectHeadCmd.MarkFlagRequired("oid") + objectHeadCmd.Flags().Bool("main-only", false, "Return only main fields") + objectHeadCmd.Flags().Bool("json", false, "Marshal output in JSON") + objectHeadCmd.Flags().Bool("proto", false, "Marshal output in Protobuf") + + objectCmd.AddCommand(objectHashCmd) + objectHashCmd.Flags().String("cid", "", "Container ID") + _ = objectHashCmd.MarkFlagRequired("cid") + objectHashCmd.Flags().String("oid", "", "Object ID") + _ = objectHashCmd.MarkFlagRequired("oid") + objectHashCmd.Flags().String("range", "", "Range to take hash from in the form offset1:length1,...") + objectHashCmd.Flags().String("type", hashSha256, "Hash type. Either 'sha256' or 'tz'") + // Here you will define your flags and configuration settings. // Cobra supports Persistent Flags which will work for this command @@ -29,3 +143,449 @@ func init() { // is called directly, e.g.: // objectCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle") } + +func initSession(ctx context.Context) (*client.Client, *token.SessionToken, error) { + cli, err := getSDKClient() + if err != nil { + return nil, nil, fmt.Errorf("can't create client: %w", err) + } + tok, err := cli.CreateSession(ctx, math.MaxUint64) + if err != nil { + return nil, nil, fmt.Errorf("can't create session: %w", err) + } + return cli, tok, nil +} + +func putObject(cmd *cobra.Command, _ []string) error { + ownerID, err := getOwnerID() + if err != nil { + return err + } + cid, err := getCID(cmd) + if err != nil { + return err + } + + filename := cmd.Flag("file").Value.String() + f, err := os.OpenFile(filename, os.O_RDONLY, os.ModePerm) + if err != nil { + return fmt.Errorf("can't open file '%s': %w", filename, err) + } + + attrs, err := parseObjectAttrs(cmd) + if err != nil { + return fmt.Errorf("can't parse object attributes: %w", err) + } + + obj := object.NewRaw() + obj.SetContainerID(cid) + obj.SetOwnerID(ownerID) + obj.SetAttributes(attrs...) + + ctx := context.Background() + cli, tok, err := initSession(ctx) + if err != nil { + return err + } + oid, err := cli.PutObject(ctx, + new(client.PutObjectParams). + WithObject(obj.Object()). + WithPayloadReader(f), + client.WithSession(tok)) + if err != nil { + return fmt.Errorf("can't put object: %w", err) + } + + cmd.Printf("[%s] Object successfully stored\n", filename) + cmd.Printf(" ID: %s\n CID: %s\n", oid, cid) + return nil +} + +func deleteObject(cmd *cobra.Command, _ []string) error { + objAddr, err := getObjectAddress(cmd) + if err != nil { + return err + } + + ctx := context.Background() + cli, tok, err := initSession(ctx) + if err != nil { + return err + } + err = cli.DeleteObject(ctx, + new(client.DeleteObjectParams).WithAddress(objAddr), + client.WithSession(tok)) + if err != nil { + return err + } + + cmd.Println("Object removed successfully.") + cmd.Printf(" ID: %s\n CID: %s\n", objAddr.GetObjectID(), objAddr.GetContainerID()) + return nil +} + +func getObject(cmd *cobra.Command, _ []string) error { + objAddr, err := getObjectAddress(cmd) + if err != nil { + return 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 { + return fmt.Errorf("can't open file '%s': %w", filename, err) + } + defer f.Close() + out = f + } + + ctx := context.Background() + cli, tok, err := initSession(ctx) + if err != nil { + return err + } + obj, err := cli.GetObject(ctx, + new(client.GetObjectParams). + WithAddress(objAddr). + WithPayloadWriter(out), + client.WithSession(tok)) + if err != nil { + return fmt.Errorf("can't put object: %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 != "" { + return printHeader(cmd, obj, hdrFile) + } + return nil +} + +func getObjectHeader(cmd *cobra.Command, _ []string) error { + objAddr, err := getObjectAddress(cmd) + if err != nil { + return err + } + + ctx := context.Background() + cli, tok, err := initSession(ctx) + if err != nil { + return err + } + ps := new(client.ObjectHeaderParams).WithAddress(objAddr) + if ok, _ := cmd.Flags().GetBool("main-only"); ok { + ps = ps.WithMainFields() + } + obj, err := cli.GetObjectHeader(ctx, ps, client.WithSession(tok)) + if err != nil { + return fmt.Errorf("can't put object: %w", err) + } + + return printHeader(cmd, obj, cmd.Flag("file").Value.String()) +} + +func searchObject(cmd *cobra.Command, _ []string) error { + cid, err := getCID(cmd) + if err != nil { + return err + } + + sf, err := parseSearchFilters(cmd) + if err != nil { + return err + } + + ctx := context.Background() + cli, tok, err := initSession(ctx) + if err != nil { + return err + } + + ps := new(client.SearchObjectParams).WithContainerID(cid).WithSearchFilters(sf) + ids, err := cli.SearchObject(ctx, ps, client.WithSession(tok)) + if err != nil { + return fmt.Errorf("can't put object: %w", err) + } + cmd.Printf("Found %d objects.\n", len(ids)) + for _, id := range ids { + cmd.Println(id) + } + return nil +} + +func getObjectHash(cmd *cobra.Command, _ []string) error { + objAddr, err := getObjectAddress(cmd) + if err != nil { + return err + } + ranges, err := getRangeList(cmd) + if err != nil { + return err + } + typ, err := getHashType(cmd) + if err != nil { + return err + } + + ctx := context.Background() + cli, tok, err := initSession(ctx) + if err != nil { + return err + } + if len(ranges) == 0 { // hash of full payload + obj, err := cli.GetObjectHeader(ctx, + new(client.ObjectHeaderParams).WithAddress(objAddr), + client.WithSession(tok)) + if err != nil { + return fmt.Errorf("can't get object: %w", err) + } + switch typ { + case hashSha256: + cmd.Println(hex.EncodeToString(obj.GetPayloadChecksum().GetSum())) + case hashTz: + cmd.Println(hex.EncodeToString(obj.GetPayloadHomomorphicHash().GetSum())) + } + return nil + } + + ps := new(client.RangeChecksumParams).WithAddress(objAddr).WithRangeList(ranges...) + switch typ { + case hashSha256: + res, err := cli.ObjectPayloadRangeSHA256(ctx, ps, client.WithSession(tok)) + if err != nil { + return err + } + for i := range res { + cmd.Printf("Offset=%d (Length=%d)\t: %s\n", ranges[i].GetOffset(), ranges[i].GetLength(), + hex.EncodeToString(res[i][:])) + } + case hashTz: + res, err := cli.ObjectPayloadRangeTZ(ctx, ps, client.WithSession(tok)) + if err != nil { + return err + } + for i := range res { + cmd.Printf("Offset=%d (Length=%d)\t: %s\n", ranges[i].GetOffset(), ranges[i].GetLength(), + hex.EncodeToString(res[i][:])) + } + } + return nil +} + +func getOwnerID() (*owner.ID, error) { + key, err := getKey() + if err != nil { + return nil, err + } + w, err := owner.NEO3WalletFromPublicKey(&key.PublicKey) + if err != nil { + return nil, err + } + ownerID := owner.NewID() + ownerID.SetNeo3Wallet(w) + return ownerID, nil +} + +func parseSearchFilters(cmd *cobra.Command) (object.SearchFilters, error) { + var fs object.SearchFilters + if raw := cmd.Flag("filters").Value.String(); len(raw) != 0 { + rawFs := strings.Split(raw, ",") + for i := range rawFs { + kv := strings.SplitN(rawFs[i], "=", 2) + if len(kv) != 2 { + return nil, fmt.Errorf("invalid filter format: %s", rawFs[i]) + } + fs.AddFilter(kv[0], kv[1], object.MatchStringEqual) + } + } + + root, _ := cmd.Flags().GetBool("root") + noroot, _ := cmd.Flags().GetBool("no-root") + switch { + case root && noroot: + return nil, errors.New("'--root' and '--no-root' flags can't be set together") + case root: + fs.AddRootFilter() + case noroot: + fs.AddNonRootFilter() + } + + leaf, _ := cmd.Flags().GetBool("leaf") + noleaf, _ := cmd.Flags().GetBool("no-leaf") + switch { + case leaf && noleaf: + return nil, errors.New("'--leaf' and '--no-leaf' flags can't be set together") + case leaf: + fs.AddLeafFilter() + case noleaf: + fs.AddNonLeafFilter() + } + + return fs, nil +} + +func parseObjectAttrs(cmd *cobra.Command) ([]*object.Attribute, error) { + raw := cmd.Flag("attributes").Value.String() + if len(raw) == 0 { + return nil, nil + } + rawAttrs := strings.Split(raw, ",") + attrs := make([]*object.Attribute, len(rawAttrs)) + for i := range rawAttrs { + kv := strings.SplitN(rawAttrs[i], "=", 2) + if len(kv) != 2 { + return nil, fmt.Errorf("invalid attribute format: %s", rawAttrs[i]) + } + attrs[i] = object.NewAttribute() + attrs[i].SetKey(kv[0]) + attrs[i].SetValue(kv[1]) + } + return attrs, nil +} + +func getCID(cmd *cobra.Command) (*container.ID, error) { + cid := container.NewID() + var v [32]byte + b, err := base58.Decode(cmd.Flag("cid").Value.String()) + if err != nil { + return nil, err + } else if len(b) != sha256.Size { + return nil, errors.New("invalid length") + } + copy(v[:], b) + cid.SetSHA256(v) + return cid, nil +} + +func getOID(cmd *cobra.Command) (*object.ID, error) { + oid := object.NewID() + var v [32]byte + b, err := base58.Decode(cmd.Flag("oid").Value.String()) + if err != nil { + return nil, err + } else if len(b) != sha256.Size { + return nil, errors.New("invalid length") + } + copy(v[:], b) + oid.SetSHA256(v) + return oid, nil +} + +func getObjectAddress(cmd *cobra.Command) (*object.Address, error) { + cid, err := getCID(cmd) + if err != nil { + return nil, err + } + oid, err := getOID(cmd) + if err != nil { + return nil, err + } + + objAddr := object.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 printHeader(cmd *cobra.Command, obj *object.Object, filename string) error { + bs, err := marshalHeader(cmd, obj) + if err != nil { + return err + } + if len(bs) != 0 { + if filename == "" { + cmd.Println(string(bs)) + return nil + } + err := ioutil.WriteFile(filename, bs, os.ModePerm) + if err != nil { + return err + } + cmd.Printf("[%s] Header successfully saved.", filename) + } + + cmd.Printf("ID: %s\n", obj.GetID()) + cmd.Printf("CID: %s\n", obj.GetContainerID()) + cmd.Printf("Owner: %s\n", obj.GetOwnerID()) + cmd.Printf("CreatedAt: %d\n", obj.GetCreationEpoch()) + cmd.Printf("Size: %d\n", obj.GetPayloadSize()) + cmd.Printf("HomoHash: %s\n", hex.EncodeToString(obj.GetPayloadHomomorphicHash().GetSum())) + cmd.Printf("Checksum: %s\n", hex.EncodeToString(obj.GetPayloadChecksum().GetSum())) + switch obj.GetType() { + 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.GetAttributes() { + cmd.Printf(" %s=%s\n", attr.GetKey(), attr.GetValue()) + } + 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 json.Marshal(hdr) // TODO currently not supported by neofs-api-go + case toProto: + return hdr.ToV2().StableMarshal(nil) + default: + return nil, nil + } +}