package v2 import ( "strconv" "github.com/TrueCloudLab/frostfs-api-go/v2/acl" cid "github.com/TrueCloudLab/frostfs-sdk-go/container/id" eaclSDK "github.com/TrueCloudLab/frostfs-sdk-go/eacl" "github.com/TrueCloudLab/frostfs-sdk-go/object" oid "github.com/TrueCloudLab/frostfs-sdk-go/object/id" ) type sysObjHdr struct { k, v string } func (s sysObjHdr) Key() string { return s.k } func (s sysObjHdr) Value() string { return s.v } func u64Value(v uint64) string { return strconv.FormatUint(v, 10) } func headersFromObject(obj *object.Object, cnr cid.ID, oid *oid.ID) []eaclSDK.Header { var count int for obj := obj; obj != nil; obj = obj.Parent() { count += 9 + len(obj.Attributes()) } res := make([]eaclSDK.Header, 0, count) for ; obj != nil; obj = obj.Parent() { res = append(res, cidHeader(cnr), // creation epoch sysObjHdr{ k: acl.FilterObjectCreationEpoch, v: u64Value(obj.CreationEpoch()), }, // payload size sysObjHdr{ k: acl.FilterObjectPayloadLength, v: u64Value(obj.PayloadSize()), }, // object version sysObjHdr{ k: acl.FilterObjectVersion, v: obj.Version().String(), }, // object type sysObjHdr{ k: acl.FilterObjectType, v: obj.Type().String(), }, ) if oid != nil { res = append(res, oidHeader(*oid)) } if idOwner := obj.OwnerID(); idOwner != nil { res = append(res, ownerIDHeader(*idOwner)) } cs, ok := obj.PayloadChecksum() if ok { res = append(res, sysObjHdr{ k: acl.FilterObjectPayloadHash, v: cs.String(), }) } cs, ok = obj.PayloadHomomorphicHash() if ok { res = append(res, sysObjHdr{ k: acl.FilterObjectHomomorphicHash, v: cs.String(), }) } attrs := obj.Attributes() for i := range attrs { res = append(res, &attrs[i]) // only pointer attrs can implement eaclSDK.Header interface } } return res }