[#9999] ape: Perform strict APE checks for EC parts

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>

pkg/services/object/ape/checker_test.go

@@ -695,6 +695,7 @@ func TestPutECChunk(t *testing.T) {
 	nm := &netmapStub{
 		currentEpoch: 100,
 		netmaps: map[uint64]*netmapSDK.NetMap{
+			99:  netmap,
 			100: netmap,
 		},
 	}

pkg/services/object/ape/request.go

@@ -3,6 +3,7 @@ package ape
 import (
 	"context"
 	"crypto/sha256"
+	"errors"
 	"fmt"
 	"net"
 	"strconv"
@@ -24,6 +25,8 @@ import (
 
 var defaultRequest = aperequest.Request{}
 
+var errECMissingParentObjectID = errors.New("missing EC parent object ID")
+
 func nativeSchemaRole(role acl.Role) string {
 	switch role {
 	case acl.RoleOwner:
@@ -122,7 +125,10 @@ func (c *checkerImpl) newAPERequest(ctx context.Context, prm Prm) (aperequest.Re
 			header = headerObjSDK.ToV2().GetHeader()
 		}
 	}
-	header = c.fillHeaderWithECParent(ctx, prm, header)
+	header, err := c.fillHeaderWithECParent(ctx, prm, header)
+	if err != nil {
+		return defaultRequest, fmt.Errorf("get EC parent header: %w", err)
+	}
 	reqProps := map[string]string{
 		nativeschema.PropertyKeyActorPublicKey: prm.SenderKey,
 		nativeschema.PropertyKeyActorRole:      prm.Role,
@@ -133,7 +139,6 @@ func (c *checkerImpl) newAPERequest(ctx context.Context, prm Prm) (aperequest.Re
 		reqProps[xheadKey] = xhead.GetValue()
 	}
 
-	var err error
 	reqProps, err = c.fillWithUserClaimTags(reqProps, prm)
 	if err != nil {
 		return defaultRequest, err
@@ -155,35 +160,38 @@ func (c *checkerImpl) newAPERequest(ctx context.Context, prm Prm) (aperequest.Re
 	), nil
 }
 
-func (c *checkerImpl) fillHeaderWithECParent(ctx context.Context, prm Prm, header *objectV2.Header) *objectV2.Header {
+func (c *checkerImpl) fillHeaderWithECParent(ctx context.Context, prm Prm, header *objectV2.Header) (*objectV2.Header, error) {
 	if header == nil {
-		return header
+		return header, nil
 	}
 	if header.GetEC() == nil {
-		return header
+		return header, nil
 	}
 	if prm.Role == nativeschema.PropertyValueContainerRoleContainer ||
 		prm.Role == nativeschema.PropertyValueContainerRoleIR {
-		return header
+		return header, nil
 	}
 	parentObjRefID := header.GetEC().Parent
 	if parentObjRefID == nil {
-		return header
+		return nil, errECMissingParentObjectID
 	}
 	var parentObjID oid.ID
 	if err := parentObjID.ReadFromV2(*parentObjRefID); err != nil {
-		return header
+		return nil, fmt.Errorf("EC parent object ID format error: %w", err)
 	}
 	// only container node have access to collect parent object
 	contNode, err := c.currentNodeIsContainerNode(prm.Container)
-	if err != nil || !contNode {
-		return header
+	if err != nil {
+		return nil, fmt.Errorf("check container node status: %w", err)
+	}
+	if !contNode {
+		return header, nil
 	}
 	parentObj, err := c.headerProvider.GetHeader(ctx, prm.Container, parentObjID, false)
 	if err != nil {
-		return header
+		return nil, fmt.Errorf("EC parent header request: %w", err)
 	}
-	return parentObj.ToV2().GetHeader()
+	return parentObj.ToV2().GetHeader(), nil
 }
 
 func (c *checkerImpl) currentNodeIsContainerNode(cnrID cid.ID) (bool, error) {