[#156] object/get: Make toHeadPrm() pass gocognit
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Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
This commit is contained in:
parent
ef0f5a3df0
commit
7220f78ada
1 changed files with 133 additions and 131 deletions
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@ -426,7 +426,7 @@ func (w *headResponseWriter) WriteHeader(_ context.Context, hdr *object.Object)
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return nil
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}
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// nolint: funlen, gocognit
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// nolint: funlen
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func (s *Service) toHeadPrm(ctx context.Context, req *objectV2.HeadRequest, resp *objectV2.HeadResponse) (*getsvc.HeadPrm, error) {
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body := req.GetBody()
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@ -459,138 +459,140 @@ func (s *Service) toHeadPrm(ctx context.Context, req *objectV2.HeadRequest, resp
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body: resp.GetBody(),
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})
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if !commonPrm.LocalOnly() {
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var onceResign sync.Once
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p.SetRequestForwarder(groupAddressRequestForwarder(func(addr network.Address, c client.MultiAddressClient, pubkey []byte) (*object.Object, error) {
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var err error
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key, err := s.keyStorage.GetKey(nil)
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if err != nil {
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return nil, err
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}
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// once compose and resign forwarding request
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onceResign.Do(func() {
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// compose meta header of the local server
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metaHdr := new(session.RequestMetaHeader)
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metaHdr.SetTTL(meta.GetTTL() - 1)
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// TODO: #1165 think how to set the other fields
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metaHdr.SetOrigin(meta)
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writeCurrentVersion(metaHdr)
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req.SetMetaHeader(metaHdr)
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err = signature.SignServiceMessage(key, req)
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})
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if err != nil {
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return nil, err
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}
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// code below is copy-pasted from c.GetObjectHeader implementation,
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// perhaps it is worth highlighting the utility function in frostfs-api-go
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// send Head request
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var headResp *objectV2.HeadResponse
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err = c.RawForAddress(addr, func(cli *rpcclient.Client) error {
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headResp, err = rpc.HeadObject(cli, req, rpcclient.WithContext(ctx))
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return err
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})
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if err != nil {
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return nil, fmt.Errorf("sending the request failed: %w", err)
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}
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// verify response key
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if err = internal.VerifyResponseKeyV2(pubkey, headResp); err != nil {
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return nil, err
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}
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// verify response structure
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if err := signature.VerifyServiceMessage(headResp); err != nil {
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return nil, fmt.Errorf("response verification failed: %w", err)
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}
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if err = checkStatus(resp.GetMetaHeader().GetStatus()); err != nil {
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return nil, err
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}
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var (
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hdr *objectV2.Header
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idSig *refs.Signature
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)
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switch v := headResp.GetBody().GetHeaderPart().(type) {
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case nil:
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return nil, fmt.Errorf("unexpected header type %T", v)
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case *objectV2.ShortHeader:
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if !body.GetMainOnly() {
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return nil, fmt.Errorf("wrong header part type: expected %T, received %T",
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(*objectV2.ShortHeader)(nil), (*objectV2.HeaderWithSignature)(nil),
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)
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}
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h := v
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hdr = new(objectV2.Header)
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hdr.SetPayloadLength(h.GetPayloadLength())
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hdr.SetVersion(h.GetVersion())
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hdr.SetOwnerID(h.GetOwnerID())
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hdr.SetObjectType(h.GetObjectType())
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hdr.SetCreationEpoch(h.GetCreationEpoch())
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hdr.SetPayloadHash(h.GetPayloadHash())
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hdr.SetHomomorphicHash(h.GetHomomorphicHash())
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case *objectV2.HeaderWithSignature:
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if body.GetMainOnly() {
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return nil, fmt.Errorf("wrong header part type: expected %T, received %T",
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(*objectV2.HeaderWithSignature)(nil), (*objectV2.ShortHeader)(nil),
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)
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}
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hdrWithSig := v
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if hdrWithSig == nil {
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return nil, errors.New("nil object part")
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}
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hdr = hdrWithSig.GetHeader()
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idSig = hdrWithSig.GetSignature()
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if idSig == nil {
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// TODO(@cthulhu-rider): #1387 use "const" error
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return nil, errors.New("missing signature")
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}
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binID, err := objAddr.Object().Marshal()
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if err != nil {
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return nil, fmt.Errorf("marshal ID: %w", err)
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}
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var sig frostfscrypto.Signature
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if err := sig.ReadFromV2(*idSig); err != nil {
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return nil, fmt.Errorf("can't read signature: %w", err)
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}
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if !sig.Verify(binID) {
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return nil, errors.New("invalid object ID signature")
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}
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case *objectV2.SplitInfo:
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si := object.NewSplitInfoFromV2(v)
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return nil, object.NewSplitInfoError(si)
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}
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objv2 := new(objectV2.Object)
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objv2.SetHeader(hdr)
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objv2.SetSignature(idSig)
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obj := object.NewFromV2(objv2)
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obj.SetID(objAddr.Object())
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// convert the object
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return obj, nil
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}))
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if commonPrm.LocalOnly() {
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return p, nil
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}
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var onceResign sync.Once
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p.SetRequestForwarder(groupAddressRequestForwarder(func(addr network.Address, c client.MultiAddressClient, pubkey []byte) (*object.Object, error) {
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var err error
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key, err := s.keyStorage.GetKey(nil)
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if err != nil {
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return nil, err
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}
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// once compose and resign forwarding request
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onceResign.Do(func() {
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// compose meta header of the local server
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metaHdr := new(session.RequestMetaHeader)
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metaHdr.SetTTL(meta.GetTTL() - 1)
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// TODO: #1165 think how to set the other fields
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metaHdr.SetOrigin(meta)
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writeCurrentVersion(metaHdr)
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req.SetMetaHeader(metaHdr)
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err = signature.SignServiceMessage(key, req)
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})
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if err != nil {
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return nil, err
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}
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// code below is copy-pasted from c.GetObjectHeader implementation,
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// perhaps it is worth highlighting the utility function in frostfs-api-go
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// send Head request
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var headResp *objectV2.HeadResponse
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err = c.RawForAddress(addr, func(cli *rpcclient.Client) error {
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headResp, err = rpc.HeadObject(cli, req, rpcclient.WithContext(ctx))
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return err
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})
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if err != nil {
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return nil, fmt.Errorf("sending the request failed: %w", err)
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}
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// verify response key
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if err = internal.VerifyResponseKeyV2(pubkey, headResp); err != nil {
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return nil, err
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}
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// verify response structure
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if err := signature.VerifyServiceMessage(headResp); err != nil {
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return nil, fmt.Errorf("response verification failed: %w", err)
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}
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if err = checkStatus(resp.GetMetaHeader().GetStatus()); err != nil {
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return nil, err
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}
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var (
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hdr *objectV2.Header
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idSig *refs.Signature
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)
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switch v := headResp.GetBody().GetHeaderPart().(type) {
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case nil:
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return nil, fmt.Errorf("unexpected header type %T", v)
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case *objectV2.ShortHeader:
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if !body.GetMainOnly() {
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return nil, fmt.Errorf("wrong header part type: expected %T, received %T",
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(*objectV2.ShortHeader)(nil), (*objectV2.HeaderWithSignature)(nil),
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)
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}
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h := v
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hdr = new(objectV2.Header)
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hdr.SetPayloadLength(h.GetPayloadLength())
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hdr.SetVersion(h.GetVersion())
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hdr.SetOwnerID(h.GetOwnerID())
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hdr.SetObjectType(h.GetObjectType())
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hdr.SetCreationEpoch(h.GetCreationEpoch())
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hdr.SetPayloadHash(h.GetPayloadHash())
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hdr.SetHomomorphicHash(h.GetHomomorphicHash())
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case *objectV2.HeaderWithSignature:
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if body.GetMainOnly() {
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return nil, fmt.Errorf("wrong header part type: expected %T, received %T",
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(*objectV2.HeaderWithSignature)(nil), (*objectV2.ShortHeader)(nil),
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)
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}
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hdrWithSig := v
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if hdrWithSig == nil {
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return nil, errors.New("nil object part")
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}
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hdr = hdrWithSig.GetHeader()
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idSig = hdrWithSig.GetSignature()
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if idSig == nil {
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// TODO(@cthulhu-rider): #1387 use "const" error
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return nil, errors.New("missing signature")
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}
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binID, err := objAddr.Object().Marshal()
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if err != nil {
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return nil, fmt.Errorf("marshal ID: %w", err)
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}
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var sig frostfscrypto.Signature
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if err := sig.ReadFromV2(*idSig); err != nil {
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return nil, fmt.Errorf("can't read signature: %w", err)
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}
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if !sig.Verify(binID) {
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return nil, errors.New("invalid object ID signature")
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}
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case *objectV2.SplitInfo:
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si := object.NewSplitInfoFromV2(v)
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return nil, object.NewSplitInfoError(si)
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}
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objv2 := new(objectV2.Object)
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objv2.SetHeader(hdr)
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objv2.SetSignature(idSig)
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obj := object.NewFromV2(objv2)
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obj.SetID(objAddr.Object())
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// convert the object
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return obj, nil
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}))
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return p, nil
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}
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