forked from TrueCloudLab/frostfs-api-go
51 lines
949 B
Go
51 lines
949 B
Go
|
package object
|
||
|
|
|
||
|
|
import (
|
||
|
|
"crypto/sha256"
|
||
|
|
|
||
|
|
"github.com/nspcc-dev/neofs-api-go/v2/refs"
|
||
|
|
"github.com/pkg/errors"
|
||
|
|
)
|
||
|
|
|
||
|
|
// ID represents object identifier that
|
||
|
|
// supports different type of values.
|
||
|
|
type ID struct {
|
||
|
|
val []byte
|
||
|
|
}
|
||
|
|
|
||
|
|
// SetSHA256 sets object identifier value to SHA256 checksum.
|
||
|
|
func (id *ID) SetSHA256(v [sha256.Size]byte) {
|
||
|
|
if id != nil {
|
||
|
|
id.val = v[:]
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// ToV2 converts ID to v2 ObjectID message.
|
||
|
|
func (id *ID) ToV2() *refs.ObjectID {
|
||
|
|
if id != nil {
|
||
|
|
idV2 := new(refs.ObjectID)
|
||
|
|
idV2.SetValue(id.val)
|
||
|
|
|
||
|
|
return idV2
|
||
|
|
}
|
||
|
|
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// IDFromV2 converts v2 ObjectID message to ID.
|
||
|
|
//
|
||
|
|
// Returns an error if the format of the identifier
|
||
|
|
// in the message is broken.
|
||
|
|
func IDFromV2(idV2 *refs.ObjectID) (*ID, error) {
|
||
|
|
val := idV2.GetValue()
|
||
|
|
if ln := len(val); ln != sha256.Size {
|
||
|
|
return nil, errors.Errorf("could not convert %T to %T: invalid length %d",
|
||
|
|
idV2, (*ID)(nil), ln,
|
||
|
|
)
|
||
|
|
}
|
||
|
|
|
||
|
|
return &ID{
|
||
|
|
val: val,
|
||
|
|
}, nil
|
||
|
|
}
|