[#79] Implement object commands
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
This commit is contained in:
Evgenii Stratonikov
Alex Vanin
parent
54bdeb60a1
commit
4d2ff842a2
1 changed files with 569 additions and 9 deletions
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@ -1,24 +1,138 @@
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package cmd
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import (
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"context"
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"crypto/sha256"
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"encoding/hex"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"io/ioutil"
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"math"
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"os"
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"strconv"
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"strings"
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"github.com/mr-tron/base58"
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"github.com/nspcc-dev/neofs-api-go/pkg/client"
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"github.com/nspcc-dev/neofs-api-go/pkg/container"
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"github.com/nspcc-dev/neofs-api-go/pkg/object"
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"github.com/nspcc-dev/neofs-api-go/pkg/owner"
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"github.com/nspcc-dev/neofs-api-go/pkg/token"
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"github.com/spf13/cobra"
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)
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// objectCmd represents the object command
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var objectCmd = &cobra.Command{
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Use: "object",
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Short: "Operations with Objects",
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Long: `Operations with Objects`,
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Run: func(cmd *cobra.Command, args []string) {
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fmt.Println("object called")
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},
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}
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var (
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// objectCmd represents the object command
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objectCmd = &cobra.Command{
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Use: "object",
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Short: "Operations with Objects",
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Long: `Operations with Objects`,
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}
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objectPutCmd = &cobra.Command{
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Use: "put",
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Short: "Put object to NeoFS",
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Long: "Put object to NeoFS",
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RunE: putObject,
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}
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objectGetCmd = &cobra.Command{
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Use: "get",
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Short: "Get object from NeoFS",
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Long: "Get object from NeoFS",
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RunE: getObject,
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}
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objectDelCmd = &cobra.Command{
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Use: "delete",
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Aliases: []string{"del"},
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Short: "Delete object from NeoFS",
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Long: "Delete object from NeoFS",
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RunE: deleteObject,
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}
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objectSearchCmd = &cobra.Command{
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Use: "search",
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Short: "Search object",
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Long: "Search object",
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RunE: searchObject,
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}
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objectHeadCmd = &cobra.Command{
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Use: "head",
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Short: "Get object header",
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Long: "Get object header",
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RunE: getObjectHeader,
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}
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objectHashCmd = &cobra.Command{
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Use: "hash",
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Short: "Get object hash",
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Long: "Get object hash",
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RunE: getObjectHash,
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}
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)
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const (
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hashSha256 = "sha256"
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hashTz = "tz"
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rangeSep = ":"
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)
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func init() {
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rootCmd.AddCommand(objectCmd)
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objectCmd.AddCommand(objectPutCmd)
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objectPutCmd.Flags().String("file", "", "File with object payload")
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_ = objectPutCmd.MarkFlagFilename("file")
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_ = objectPutCmd.MarkFlagRequired("file")
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objectPutCmd.Flags().String("cid", "", "Container ID")
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_ = objectPutCmd.MarkFlagRequired("cid")
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objectPutCmd.Flags().String("attributes", "", "User attributes in form of Key1=Value1,Key2=Value2")
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objectCmd.AddCommand(objectDelCmd)
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objectDelCmd.Flags().String("cid", "", "Container ID")
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_ = objectDelCmd.MarkFlagRequired("cid")
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objectDelCmd.Flags().String("oid", "", "Object ID")
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_ = objectDelCmd.MarkFlagRequired("oid")
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objectCmd.AddCommand(objectGetCmd)
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objectGetCmd.Flags().String("file", "", "File to write object payload to. Default: stdout.")
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objectGetCmd.Flags().String("header", "", "File to write header to. Default: stdout.")
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objectGetCmd.Flags().String("cid", "", "Container ID")
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_ = objectGetCmd.MarkFlagRequired("cid")
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objectGetCmd.Flags().String("oid", "", "Object ID")
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_ = objectGetCmd.MarkFlagRequired("oid")
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objectCmd.AddCommand(objectSearchCmd)
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objectSearchCmd.Flags().String("cid", "", "Container ID")
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_ = objectSearchCmd.MarkFlagRequired("cid")
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objectSearchCmd.Flags().String("filters", "", "Filters in the form hdrName=value,...")
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objectSearchCmd.Flags().Bool("root", false, "Search for user objects")
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objectSearchCmd.Flags().Bool("no-root", false, "Search for service objects")
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objectSearchCmd.Flags().Bool("leaf", false, "Search physically stored objects")
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objectSearchCmd.Flags().Bool("no-leaf", false, "Search for virtual objects")
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objectCmd.AddCommand(objectHeadCmd)
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objectHeadCmd.Flags().String("file", "", "File to write header to. Default: stdout.")
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objectHeadCmd.Flags().String("cid", "", "Container ID")
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_ = objectHeadCmd.MarkFlagRequired("cid")
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objectHeadCmd.Flags().String("oid", "", "Object ID")
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_ = objectHeadCmd.MarkFlagRequired("oid")
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objectHeadCmd.Flags().Bool("main-only", false, "Return only main fields")
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objectHeadCmd.Flags().Bool("json", false, "Marshal output in JSON")
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objectHeadCmd.Flags().Bool("proto", false, "Marshal output in Protobuf")
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objectCmd.AddCommand(objectHashCmd)
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objectHashCmd.Flags().String("cid", "", "Container ID")
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_ = objectHashCmd.MarkFlagRequired("cid")
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objectHashCmd.Flags().String("oid", "", "Object ID")
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_ = objectHashCmd.MarkFlagRequired("oid")
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objectHashCmd.Flags().String("range", "", "Range to take hash from in the form offset1:length1,...")
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objectHashCmd.Flags().String("type", hashSha256, "Hash type. Either 'sha256' or 'tz'")
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// Here you will define your flags and configuration settings.
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// Cobra supports Persistent Flags which will work for this command
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@ -29,3 +143,449 @@ func init() {
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// is called directly, e.g.:
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// objectCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
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}
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func initSession(ctx context.Context) (*client.Client, *token.SessionToken, error) {
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cli, err := getSDKClient()
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if err != nil {
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return nil, nil, fmt.Errorf("can't create client: %w", err)
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}
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tok, err := cli.CreateSession(ctx, math.MaxUint64)
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if err != nil {
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return nil, nil, fmt.Errorf("can't create session: %w", err)
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}
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return cli, tok, nil
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}
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func putObject(cmd *cobra.Command, _ []string) error {
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ownerID, err := getOwnerID()
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if err != nil {
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return err
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}
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cid, err := getCID(cmd)
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if err != nil {
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return err
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}
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filename := cmd.Flag("file").Value.String()
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f, err := os.OpenFile(filename, os.O_RDONLY, os.ModePerm)
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if err != nil {
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return fmt.Errorf("can't open file '%s': %w", filename, err)
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}
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attrs, err := parseObjectAttrs(cmd)
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if err != nil {
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return fmt.Errorf("can't parse object attributes: %w", err)
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}
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obj := object.NewRaw()
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obj.SetContainerID(cid)
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obj.SetOwnerID(ownerID)
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obj.SetAttributes(attrs...)
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ctx := context.Background()
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cli, tok, err := initSession(ctx)
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if err != nil {
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return err
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}
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oid, err := cli.PutObject(ctx,
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new(client.PutObjectParams).
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WithObject(obj.Object()).
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WithPayloadReader(f),
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client.WithSession(tok))
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if err != nil {
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return fmt.Errorf("can't put object: %w", err)
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}
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cmd.Printf("[%s] Object successfully stored\n", filename)
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cmd.Printf(" ID: %s\n CID: %s\n", oid, cid)
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return nil
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}
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func deleteObject(cmd *cobra.Command, _ []string) error {
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objAddr, err := getObjectAddress(cmd)
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if err != nil {
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return err
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}
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ctx := context.Background()
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cli, tok, err := initSession(ctx)
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if err != nil {
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return err
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}
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err = cli.DeleteObject(ctx,
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new(client.DeleteObjectParams).WithAddress(objAddr),
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client.WithSession(tok))
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if err != nil {
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return err
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}
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cmd.Println("Object removed successfully.")
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cmd.Printf(" ID: %s\n CID: %s\n", objAddr.GetObjectID(), objAddr.GetContainerID())
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return nil
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}
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func getObject(cmd *cobra.Command, _ []string) error {
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objAddr, err := getObjectAddress(cmd)
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if err != nil {
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return err
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}
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var out io.Writer
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filename := cmd.Flag("file").Value.String()
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if filename == "" {
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out = os.Stdout
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} else {
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f, err := os.OpenFile(filename, os.O_CREATE|os.O_WRONLY, os.ModePerm)
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if err != nil {
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return fmt.Errorf("can't open file '%s': %w", filename, err)
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}
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defer f.Close()
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out = f
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}
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ctx := context.Background()
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cli, tok, err := initSession(ctx)
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if err != nil {
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return err
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}
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obj, err := cli.GetObject(ctx,
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new(client.GetObjectParams).
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WithAddress(objAddr).
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WithPayloadWriter(out),
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client.WithSession(tok))
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if err != nil {
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return fmt.Errorf("can't put object: %w", err)
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}
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if filename != "" {
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cmd.Printf("[%s] Object successfully saved\n", filename)
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}
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// Print header only if file is not streamed to stdout.
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hdrFile := cmd.Flag("header").Value.String()
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if filename != "" || hdrFile != "" {
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return printHeader(cmd, obj, hdrFile)
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}
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return nil
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}
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func getObjectHeader(cmd *cobra.Command, _ []string) error {
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objAddr, err := getObjectAddress(cmd)
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if err != nil {
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return err
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}
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ctx := context.Background()
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cli, tok, err := initSession(ctx)
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if err != nil {
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return err
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}
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ps := new(client.ObjectHeaderParams).WithAddress(objAddr)
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if ok, _ := cmd.Flags().GetBool("main-only"); ok {
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ps = ps.WithMainFields()
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}
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obj, err := cli.GetObjectHeader(ctx, ps, client.WithSession(tok))
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if err != nil {
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return fmt.Errorf("can't put object: %w", err)
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}
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return printHeader(cmd, obj, cmd.Flag("file").Value.String())
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}
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func searchObject(cmd *cobra.Command, _ []string) error {
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cid, err := getCID(cmd)
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if err != nil {
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return err
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}
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sf, err := parseSearchFilters(cmd)
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if err != nil {
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return err
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}
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ctx := context.Background()
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cli, tok, err := initSession(ctx)
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if err != nil {
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return err
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}
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ps := new(client.SearchObjectParams).WithContainerID(cid).WithSearchFilters(sf)
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ids, err := cli.SearchObject(ctx, ps, client.WithSession(tok))
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if err != nil {
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return fmt.Errorf("can't put object: %w", err)
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}
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cmd.Printf("Found %d objects.\n", len(ids))
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for _, id := range ids {
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cmd.Println(id)
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}
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return nil
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}
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func getObjectHash(cmd *cobra.Command, _ []string) error {
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objAddr, err := getObjectAddress(cmd)
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if err != nil {
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return err
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}
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ranges, err := getRangeList(cmd)
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if err != nil {
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return err
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}
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typ, err := getHashType(cmd)
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if err != nil {
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return err
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}
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ctx := context.Background()
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cli, tok, err := initSession(ctx)
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if err != nil {
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return err
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}
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if len(ranges) == 0 { // hash of full payload
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obj, err := cli.GetObjectHeader(ctx,
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new(client.ObjectHeaderParams).WithAddress(objAddr),
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client.WithSession(tok))
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if err != nil {
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return fmt.Errorf("can't get object: %w", err)
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}
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switch typ {
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case hashSha256:
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cmd.Println(hex.EncodeToString(obj.GetPayloadChecksum().GetSum()))
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case hashTz:
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cmd.Println(hex.EncodeToString(obj.GetPayloadHomomorphicHash().GetSum()))
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}
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return nil
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}
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ps := new(client.RangeChecksumParams).WithAddress(objAddr).WithRangeList(ranges...)
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switch typ {
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case hashSha256:
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res, err := cli.ObjectPayloadRangeSHA256(ctx, ps, client.WithSession(tok))
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if err != nil {
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return err
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}
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for i := range res {
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cmd.Printf("Offset=%d (Length=%d)\t: %s\n", ranges[i].GetOffset(), ranges[i].GetLength(),
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hex.EncodeToString(res[i][:]))
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}
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case hashTz:
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res, err := cli.ObjectPayloadRangeTZ(ctx, ps, client.WithSession(tok))
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if err != nil {
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return err
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}
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for i := range res {
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cmd.Printf("Offset=%d (Length=%d)\t: %s\n", ranges[i].GetOffset(), ranges[i].GetLength(),
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hex.EncodeToString(res[i][:]))
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}
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}
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return nil
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}
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func getOwnerID() (*owner.ID, error) {
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key, err := getKey()
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if err != nil {
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return nil, err
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}
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w, err := owner.NEO3WalletFromPublicKey(&key.PublicKey)
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if err != nil {
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return nil, err
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}
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ownerID := owner.NewID()
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ownerID.SetNeo3Wallet(w)
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return ownerID, nil
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}
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func parseSearchFilters(cmd *cobra.Command) (object.SearchFilters, error) {
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var fs object.SearchFilters
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if raw := cmd.Flag("filters").Value.String(); len(raw) != 0 {
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rawFs := strings.Split(raw, ",")
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for i := range rawFs {
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kv := strings.SplitN(rawFs[i], "=", 2)
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if len(kv) != 2 {
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return nil, fmt.Errorf("invalid filter format: %s", rawFs[i])
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}
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fs.AddFilter(kv[0], kv[1], object.MatchStringEqual)
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}
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}
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root, _ := cmd.Flags().GetBool("root")
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noroot, _ := cmd.Flags().GetBool("no-root")
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switch {
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case root && noroot:
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return nil, errors.New("'--root' and '--no-root' flags can't be set together")
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case root:
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fs.AddRootFilter()
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case noroot:
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fs.AddNonRootFilter()
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}
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leaf, _ := cmd.Flags().GetBool("leaf")
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noleaf, _ := cmd.Flags().GetBool("no-leaf")
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switch {
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case leaf && noleaf:
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return nil, errors.New("'--leaf' and '--no-leaf' flags can't be set together")
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case leaf:
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fs.AddLeafFilter()
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case noleaf:
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fs.AddNonLeafFilter()
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}
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return fs, nil
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}
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func parseObjectAttrs(cmd *cobra.Command) ([]*object.Attribute, error) {
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raw := cmd.Flag("attributes").Value.String()
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if len(raw) == 0 {
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return nil, nil
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}
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rawAttrs := strings.Split(raw, ",")
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attrs := make([]*object.Attribute, len(rawAttrs))
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for i := range rawAttrs {
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kv := strings.SplitN(rawAttrs[i], "=", 2)
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if len(kv) != 2 {
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return nil, fmt.Errorf("invalid attribute format: %s", rawAttrs[i])
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}
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attrs[i] = object.NewAttribute()
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attrs[i].SetKey(kv[0])
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attrs[i].SetValue(kv[1])
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}
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return attrs, nil
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}
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func getCID(cmd *cobra.Command) (*container.ID, error) {
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cid := container.NewID()
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var v [32]byte
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b, err := base58.Decode(cmd.Flag("cid").Value.String())
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if err != nil {
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return nil, err
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} else if len(b) != sha256.Size {
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return nil, errors.New("invalid length")
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}
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copy(v[:], b)
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cid.SetSHA256(v)
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return cid, nil
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}
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func getOID(cmd *cobra.Command) (*object.ID, error) {
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oid := object.NewID()
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var v [32]byte
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b, err := base58.Decode(cmd.Flag("oid").Value.String())
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if err != nil {
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return nil, err
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} else if len(b) != sha256.Size {
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return nil, errors.New("invalid length")
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}
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copy(v[:], b)
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oid.SetSHA256(v)
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return oid, nil
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}
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||||
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
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue