return nil, err
	}

	if !hold.Status.Valid() {
		return nil, ErrMalformedXML
	}
	return hold, err
}

// FilterObjectLockMetadata filters object lock metadata if s3:GetObjectRetention permission is denied or if isCopy flag set.
func FilterObjectLockMetadata(metadata map[string]string, filterRetention, filterLegalHold bool) map[string]string {
	// Copy on write
	dst := metadata
	var copied bool

				"x-amz-object-lock-mode":              "governance",
				"x-amz-object-lock-retain-until-date": "2020-02-01",
			},
		},
	}

	for i, tt := range tests {
		o := FilterObjectLockMetadata(tt.metadata, tt.filterRetention, tt.filterLegalHold)
		if !reflect.DeepEqual(o, tt.expected) {
			t.Fatalf("Case %d expected %v, got %v", i, tt.metadata, o)
		}
	}
}

func TestToString(t *testing.T) {

	legalHoldPerms := checkRequestAuthType(ctx, r, policy.GetObjectLegalHoldAction, bucket, object)

	// filter object lock metadata if permission does not permit
	objInfo.UserDefined = objectlock.FilterObjectLockMetadata(objInfo.UserDefined, getRetPerms != ErrNone, legalHoldPerms != ErrNone)

	if _, err = DecryptObjectInfo(&objInfo, r); err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}