package eacl import ( "crypto/ecdsa" v2acl "github.com/nspcc-dev/neofs-api-go/v2/acl" crypto "github.com/nspcc-dev/neofs-crypto" ) // Target is a group of request senders to match EACL. Defined by role enum // and set of public keys. type Target struct { role Role keys []ecdsa.PublicKey } func (t *Target) SetKeys(keys ...ecdsa.PublicKey) { t.keys = keys } func (t Target) Keys() []ecdsa.PublicKey { return t.keys } func (t *Target) SetRole(r Role) { t.role = r } func (t Target) Role() Role { return t.role } func (t *Target) ToV2() *v2acl.Target { keys := make([][]byte, 0, len(t.keys)) for i := range t.keys { key := crypto.MarshalPublicKey(&t.keys[i]) keys = append(keys, key) } target := new(v2acl.Target) target.SetRole(t.role.ToV2()) target.SetKeys(keys) return target } func NewTarget() *Target { return NewTargetFromV2(new(v2acl.Target)) } func NewTargetFromV2(target *v2acl.Target) *Target { t := new(Target) if target == nil { return t } t.role = RoleFromV2(target.GetRole()) v2keys := target.GetKeys() t.keys = make([]ecdsa.PublicKey, 0, len(v2keys)) for i := range v2keys { key := crypto.UnmarshalPublicKey(v2keys[i]) t.keys = append(t.keys, *key) } return t } // Marshal marshals Target into a protobuf binary form. // // Buffer is allocated when the argument is empty. // Otherwise, the first buffer is used. func (t *Target) Marshal(b ...[]byte) ([]byte, error) { var buf []byte if len(b) > 0 { buf = b[0] } return t.ToV2(). StableMarshal(buf) } // Unmarshal unmarshals protobuf binary representation of Target. func (t *Target) Unmarshal(data []byte) error { fV2 := new(v2acl.Target) if err := fV2.Unmarshal(data); err != nil { return err } *t = *NewTargetFromV2(fV2) return nil } // MarshalJSON encodes Target to protobuf JSON format. func (t *Target) MarshalJSON() ([]byte, error) { return t.ToV2(). MarshalJSON() } // UnmarshalJSON decodes Target from protobuf JSON format. func (t *Target) UnmarshalJSON(data []byte) error { tV2 := new(v2acl.Target) if err := tV2.UnmarshalJSON(data); err != nil { return err } *t = *NewTargetFromV2(tV2) return nil }