[#235] object/head: Support raw flag in service

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>

pkg/services/object/head/local.go

@@ -13,7 +13,7 @@ type localHeader struct {
 }
 
 func (h *localHeader) head(ctx context.Context, prm *Prm, handler func(*object.Object)) error {
-	head, err := engine.Head(h.storage, prm.addr)
+	head, err := engine.HeadRaw(h.storage, prm.addr, prm.raw)
 	if err != nil {
 		return errors.Wrapf(err, "(%T) could not get header from local storage", h)
 	}

pkg/services/object/head/prm.go

@@ -11,6 +11,8 @@ type Prm struct {
 	short bool
 
 	addr *object.Address
+
+	raw bool
 }
 
 func (p *Prm) WithCommonPrm(v *util.CommonPrm) *Prm {
@@ -36,3 +38,11 @@ func (p *Prm) WithAddress(v *object.Address) *Prm {
 
 	return p
 }
+
+func (p *Prm) WithRaw(v bool) *Prm {
+	if p != nil {
+		p.raw = v
+	}
+
+	return p
+}

pkg/services/object/head/remote.go

@@ -74,7 +74,8 @@ func (h *RemoteHeader) Head(ctx context.Context, prm *RemoteHeadPrm) (*object.Ob
 	}
 
 	p := new(client.ObjectHeaderParams).
-		WithAddress(prm.commonHeadPrm.addr)
+		WithAddress(prm.commonHeadPrm.addr).
+		WithRawFlag(prm.commonHeadPrm.raw)
 
 	if prm.commonHeadPrm.short {
 		p = p.WithMainFields()

pkg/services/object/head/v2/service.go

@@ -3,6 +3,7 @@ package headsvc
 import (
 	"context"
 
+	"github.com/nspcc-dev/neofs-api-go/pkg/object"
 	objectV2 "github.com/nspcc-dev/neofs-api-go/v2/object"
 	headsvc "github.com/nspcc-dev/neofs-node/pkg/services/object/head"
 	"github.com/pkg/errors"
@@ -40,6 +41,12 @@ func (s *Service) Head(ctx context.Context, req *objectV2.HeadRequest) (*objectV
 		return nil, errors.Wrapf(err, "(%T) could not get object header", s)
 	}
 
+	var splitErr *object.SplitInfoError
+
+	if errors.As(err, &splitErr) {
+		return splitInfoResponse(splitErr.SplitInfo()), nil
+	}
+
 	return fromResponse(r, req.GetBody().GetMainOnly()), nil
 }
 

pkg/services/object/head/v2/util.go

@@ -15,7 +15,8 @@ func toPrm(req *objectV2.HeadRequest) *headsvc.Prm {
 			object.NewAddressFromV2(body.GetAddress()),
 		).
 		Short(body.GetMainOnly()).
-		WithCommonPrm(util.CommonPrmFromV2(req))
+		WithCommonPrm(util.CommonPrmFromV2(req)).
+		WithRaw(body.GetRaw())
 }
 
 func fromResponse(r *headsvc.Response, short bool) *objectV2.HeadResponse {
@@ -55,3 +56,14 @@ func shortPartFromResponse(r *headsvc.Response) objectV2.GetHeaderPart {
 
 	return sh
 }
+
+func splitInfoResponse(info *object.SplitInfo) *objectV2.HeadResponse {
+	resp := new(objectV2.HeadResponse)
+
+	body := new(objectV2.HeadResponseBody)
+	resp.SetBody(body)
+
+	body.SetHeaderPart(info.ToV2())
+
+	return resp
+}