any-sync/pkg/acl/acltree/acltreestorage.go
2022-07-17 13:34:07 +02:00

71 lines
1.8 KiB
Go

package acltree
import (
"github.com/anytypeio/go-anytype-infrastructure-experiments/pkg/acl/account"
"github.com/anytypeio/go-anytype-infrastructure-experiments/pkg/acl/aclchanges/aclpb"
"github.com/anytypeio/go-anytype-infrastructure-experiments/pkg/acl/treestorage"
"github.com/anytypeio/go-anytype-infrastructure-experiments/pkg/acl/treestorage/treepb"
"github.com/anytypeio/go-anytype-infrastructure-experiments/util/cid"
"github.com/anytypeio/go-anytype-infrastructure-experiments/util/keys/asymmetric/signingkey"
"github.com/gogo/protobuf/proto"
)
func CreateNewTreeStorageWithACL(
acc *account.AccountData,
build func(builder ChangeBuilder) error,
create treestorage.CreatorFunc) (treestorage.TreeStorage, error) {
bld := newChangeBuilder()
bld.Init(
newACLState(acc.Identity, acc.EncKey, signingkey.NewEd25519PubKeyDecoder()),
&Tree{},
acc)
err := build(bld)
if err != nil {
return nil, err
}
bld.SetMakeSnapshot(true)
change, payload, err := bld.BuildAndApply()
if err != nil {
return nil, err
}
rawChange := &aclpb.RawChange{
Payload: payload,
Signature: change.Signature(),
Id: change.CID(),
}
header, id, err := createTreeHeaderAndId(rawChange)
if err != nil {
return nil, err
}
thr, err := create(id, header, []*aclpb.RawChange{rawChange})
if err != nil {
return nil, err
}
err = thr.SetHeads([]string{change.CID()})
if err != nil {
return nil, err
}
return thr, nil
}
func createTreeHeaderAndId(change *aclpb.RawChange) (*treepb.TreeHeader, string, error) {
header := &treepb.TreeHeader{
FirstChangeId: change.Id,
IsWorkspace: false,
}
marshalledHeader, err := proto.Marshal(header)
if err != nil {
return nil, "", err
}
treeId, err := cid.NewCIDFromBytes(marshalledHeader)
if err != nil {
return nil, "", err
}
return header, treeId, nil
}