1// Copyright 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef SYNC_SYNCABLE_NIGORI_HANDLER_H_
6#define SYNC_SYNCABLE_NIGORI_HANDLER_H_
7
8#include "sync/base/sync_export.h"
9#include "sync/internal_api/public/base/model_type.h"
10
11namespace google{
12namespace protobuf{
13template <typename T>
14class RepeatedPtrField;
15}
16}
17
18namespace sync_pb {
19class NigoriSpecifics;
20}
21
22namespace syncer {
23namespace syncable {
24
25class BaseTransaction;
26
27// Sync internal interface for dealing with nigori node and querying
28// the current set of encrypted types. Not thread safe, so a sync transaction
29// must be held by a caller whenever invoking methods.
30class SYNC_EXPORT_PRIVATE NigoriHandler {
31 public:
32  NigoriHandler();
33  virtual ~NigoriHandler();
34
35  // Apply a nigori node update, updating the internal encryption state
36  // accordingly.
37  virtual void ApplyNigoriUpdate(
38      const sync_pb::NigoriSpecifics& nigori,
39      syncable::BaseTransaction* const trans) = 0;
40
41  // Store the current encrypt everything/encrypted types state into |nigori|.
42  virtual void UpdateNigoriFromEncryptedTypes(
43      sync_pb::NigoriSpecifics* nigori,
44      syncable::BaseTransaction* const trans) const = 0;
45
46  // Whether a keystore key needs to be requested from the sync server.
47  virtual bool NeedKeystoreKey(
48      syncable::BaseTransaction* const trans) const = 0;
49
50  // Set the keystore keys the server returned for this account.
51  // Returns true on success, false otherwise.
52  virtual bool SetKeystoreKeys(
53      const google::protobuf::RepeatedPtrField<std::string>& keys,
54      syncable::BaseTransaction* const trans) = 0;
55
56  // Returns the set of currently encrypted types.
57  virtual ModelTypeSet GetEncryptedTypes(
58      syncable::BaseTransaction* const trans) const = 0;
59};
60
61}  // namespace syncable
62}  // namespace syncer
63
64#endif  // SYNC_SYNCABLE_NIGORI_HANDLER_H_
65