frostfs-node/cmd/frostfs-cli/internal/common/eacl.go

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package common
import (
"errors"
"os"
commonCmd "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/internal/common"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/version"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/eacl"
versionSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/version"
"github.com/spf13/cobra"
)
var errUnsupportedEACLFormat = errors.New("unsupported eACL format")
// ReadEACL reads extended ACL table from eaclPath.
func ReadEACL(cmd *cobra.Command, eaclPath string) *eacl.Table {
_, err := os.Stat(eaclPath) // check if `eaclPath` is an existing file
if err != nil {
commonCmd.ExitOnErr(cmd, "", errors.New("incorrect path to file with EACL"))
}
PrintVerbose(cmd, "Reading EACL from file: %s", eaclPath)
data, err := os.ReadFile(eaclPath)
commonCmd.ExitOnErr(cmd, "can't read file with EACL: %w", err)
table := eacl.NewTable()
if err = table.UnmarshalJSON(data); err == nil {
validateAndFixEACLVersion(table)
PrintVerbose(cmd, "Parsed JSON encoded EACL table")
return table
}
if err = table.Unmarshal(data); err == nil {
validateAndFixEACLVersion(table)
PrintVerbose(cmd, "Parsed binary encoded EACL table")
return table
}
commonCmd.ExitOnErr(cmd, "", errUnsupportedEACLFormat)
return nil
}
func validateAndFixEACLVersion(table *eacl.Table) {
if !version.IsValid(table.Version()) {
table.SetVersion(versionSDK.Current())
}
}