From e999110be1955e941932943e772cf22d62929513 Mon Sep 17 00:00:00 2001
From: Leonard Lyubich <leonard@nspcc.ru>
Date: Fri, 3 Apr 2020 18:23:24 +0300
Subject: [PATCH] object: prevent potential NPE panic in PutRequest.CID method

---
 object/service.go      | 4 +++-
 object/service_test.go | 2 ++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/object/service.go b/object/service.go
index 3a2ca08..ab3bf5f 100644
--- a/object/service.go
+++ b/object/service.go
@@ -127,7 +127,9 @@ func (m *PutRequest) NotFull() bool { return checkIsNotFull(m) }
 // CID returns container id value from object put request.
 func (m *PutRequest) CID() CID {
 	if header := m.GetHeader(); header != nil {
-		return header.Object.SystemHeader.CID
+		if obj := header.GetObject(); obj != nil {
+			return obj.SystemHeader.CID
+		}
 	}
 	return refs.CID{}
 }
diff --git a/object/service_test.go b/object/service_test.go
index 46213e2..f38e2ed 100644
--- a/object/service_test.go
+++ b/object/service_test.go
@@ -16,6 +16,7 @@ func TestRequest(t *testing.T) {
 		&DeleteRequest{},
 		&GetRangeRequest{},
 		&GetRangeHashRequest{},
+		MakePutRequestHeader(nil, nil),
 	}
 
 	types := []RequestType{
@@ -26,6 +27,7 @@ func TestRequest(t *testing.T) {
 		RequestDelete,
 		RequestRange,
 		RequestRangeHash,
+		RequestPut,
 	}
 
 	for i := range cases {