package cmd import ( "bytes" "encoding/json" "errors" "fmt" "io/ioutil" "github.com/nspcc-dev/neofs-api-go/pkg" "github.com/nspcc-dev/neofs-api-go/pkg/token" v2ACL "github.com/nspcc-dev/neofs-api-go/v2/acl" "github.com/spf13/cobra" ) var ( utilCmd = &cobra.Command{ Use: "util", Short: "Utility operations", } signCmd = &cobra.Command{ Use: "sign", Short: "sign NeoFS structure", } signBearerCmd = &cobra.Command{ Use: "bearer-token", Short: "sign bearer token to use it in requests", RunE: signBearerToken, } convertCmd = &cobra.Command{ Use: "convert", Short: "convert representation of NeoFS structures", } convertEACLCmd = &cobra.Command{ Use: "eacl", Short: "convert representation of extended ACL table", RunE: convertEACLTable, } ) func init() { rootCmd.AddCommand(utilCmd) utilCmd.AddCommand(signCmd) utilCmd.AddCommand(convertCmd) signCmd.AddCommand(signBearerCmd) signBearerCmd.Flags().String("from", "", "File with JSON or binary encoded bearer token to sign") _ = signBearerCmd.MarkFlagFilename("from") _ = signBearerCmd.MarkFlagRequired("from") signBearerCmd.Flags().String("to", "", "File to dump signed bearer token (default: binary encoded)") signBearerCmd.Flags().Bool("json", false, "Dump bearer token in JSON encoding") convertCmd.AddCommand(convertEACLCmd) convertEACLCmd.Flags().String("from", "", "File with JSON or binary encoded extended ACL table") _ = convertEACLCmd.MarkFlagFilename("from") _ = convertEACLCmd.MarkFlagRequired("from") convertEACLCmd.Flags().String("to", "", "File to dump extended ACL table (default: binary encoded)") convertEACLCmd.Flags().Bool("json", false, "Dump extended ACL table in JSON encoding") } func signBearerToken(cmd *cobra.Command, _ []string) error { btok, err := getBearerToken(cmd, "from") if err != nil { return err } key, err := getKey() if err != nil { return err } err = completeBearerToken(btok) if err != nil { return err } err = btok.SignToken(key) if err != nil { return err } to := cmd.Flag("to").Value.String() jsonFlag, _ := cmd.Flags().GetBool("json") var data []byte if jsonFlag || len(to) == 0 { data = v2ACL.BearerTokenToJSON(btok.ToV2()) if len(data) == 0 { return errors.New("can't JSON encode bearer token") } } else { data, err = btok.ToV2().StableMarshal(nil) if err != nil { return errors.New("can't binary encode bearer token") } } if len(to) == 0 { prettyPrintJSON(cmd, data) return nil } err = ioutil.WriteFile(to, data, 0644) if err != nil { return fmt.Errorf("can't write signed bearer token to file: %w", err) } cmd.Printf("signed bearer token was successfully dumped to %s\n", to) return nil } func convertEACLTable(cmd *cobra.Command, _ []string) error { pathFrom := cmd.Flag("from").Value.String() to := cmd.Flag("to").Value.String() jsonFlag, _ := cmd.Flags().GetBool("json") table, err := parseEACL(pathFrom) if err != nil { return err } var data []byte if jsonFlag || len(to) == 0 { data = v2ACL.TableToJSON(table.ToV2()) if len(data) == 0 { return errors.New("can't JSON encode extended ACL table") } } else { data, err = table.ToV2().StableMarshal(nil) if err != nil { return errors.New("can't binary encode extended ACL table") } } if len(to) == 0 { prettyPrintJSON(cmd, data) return nil } err = ioutil.WriteFile(to, data, 0644) if err != nil { return fmt.Errorf("can't write exteded ACL table to file: %w", err) } cmd.Printf("extended ACL table was successfully dumped to %s\n", to) return nil } func completeBearerToken(btok *token.BearerToken) error { if v2 := btok.ToV2(); v2 != nil { // set eACL table version, because it usually omitted table := v2.GetBody().GetEACL() table.SetVersion(pkg.SDKVersion().ToV2()) // back to SDK token btok = token.NewBearerTokenFromV2(v2) } else { return errors.New("unsupported bearer token version") } return nil } func prettyPrintJSON(cmd *cobra.Command, data []byte) { buf := new(bytes.Buffer) if err := json.Indent(buf, data, "", " "); err != nil { printVerbose("Can't pretty print json: %w", err) } cmd.Println(buf) }