forked from TrueCloudLab/frostfs-api-go
157 lines
2.8 KiB
Go
157 lines
2.8 KiB
Go
package eacl
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import (
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"crypto/sha256"
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"github.com/nspcc-dev/neofs-api-go/pkg"
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"github.com/nspcc-dev/neofs-api-go/pkg/container"
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v2acl "github.com/nspcc-dev/neofs-api-go/v2/acl"
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)
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type (
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// Table is a group of EACL records for single container.
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Table struct {
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version pkg.Version
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cid *container.ID
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records []Record
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}
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)
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func (t Table) CID() *container.ID {
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return t.cid
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}
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func (t *Table) SetCID(cid *container.ID) {
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t.cid = cid
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}
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func (t Table) Version() pkg.Version {
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return t.version
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}
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func (t *Table) SetVersion(version pkg.Version) {
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t.version = version
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}
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func (t Table) Records() []Record {
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return t.records
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}
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func (t *Table) AddRecord(r *Record) {
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if r != nil {
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t.records = append(t.records, *r)
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}
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}
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func (t *Table) ToV2() *v2acl.Table {
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v2 := new(v2acl.Table)
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if t.cid != nil {
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v2.SetContainerID(t.cid.ToV2())
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}
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records := make([]*v2acl.Record, 0, len(t.records))
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for _, record := range t.records {
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records = append(records, record.ToV2())
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}
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v2.SetVersion(t.version.ToV2())
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v2.SetRecords(records)
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return v2
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}
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func NewTable() *Table {
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t := new(Table)
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t.SetVersion(*pkg.SDKVersion())
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return t
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}
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func CreateTable(cid container.ID) *Table {
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t := NewTable()
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t.SetCID(&cid)
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return t
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}
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func NewTableFromV2(table *v2acl.Table) *Table {
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t := new(Table)
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if table == nil {
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return t
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}
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// set version
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if v := table.GetVersion(); v != nil {
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version := pkg.Version{}
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version.SetMajor(v.GetMajor())
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version.SetMinor(v.GetMinor())
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t.SetVersion(version)
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}
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// set container id
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if cid := table.GetContainerID(); cid != nil {
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if t.cid == nil {
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t.cid = new(container.ID)
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}
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var h [sha256.Size]byte
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copy(h[:], table.GetContainerID().GetValue())
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t.cid.SetSHA256(h)
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}
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// set eacl records
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v2records := table.GetRecords()
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t.records = make([]Record, 0, len(v2records))
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for i := range v2records {
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t.records = append(t.records, *NewRecordFromV2(v2records[i]))
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}
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return t
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}
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// Marshal marshals Table into a protobuf binary form.
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//
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// Buffer is allocated when the argument is empty.
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// Otherwise, the first buffer is used.
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func (t *Table) Marshal(b ...[]byte) ([]byte, error) {
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var buf []byte
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if len(b) > 0 {
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buf = b[0]
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}
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return t.ToV2().
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StableMarshal(buf)
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}
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// Unmarshal unmarshals protobuf binary representation of Table.
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func (t *Table) Unmarshal(data []byte) error {
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fV2 := new(v2acl.Table)
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if err := fV2.Unmarshal(data); err != nil {
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return err
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}
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*t = *NewTableFromV2(fV2)
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return nil
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}
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// MarshalJSON encodes Table to protobuf JSON format.
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func (t *Table) MarshalJSON() ([]byte, error) {
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return t.ToV2().
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MarshalJSON()
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}
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// UnmarshalJSON decodes Table from protobuf JSON format.
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func (t *Table) UnmarshalJSON(data []byte) error {
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tV2 := new(v2acl.Table)
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if err := tV2.UnmarshalJSON(data); err != nil {
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return err
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}
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*t = *NewTableFromV2(tV2)
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return nil
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}
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