sync/test/fake_sync_encryption_handler.h

   1 // Copyright (c) 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_TEST_FAKE_SYNC_ENCRYPTION_HANDLER_H_
   6 #define SYNC_SYNCABLE_TEST_FAKE_SYNC_ENCRYPTION_HANDLER_H_
   7
   8 #include <string>
   9
  10 #include "base/compiler_specific.h"
  11 #include "base/observer_list.h"
  12 #include "sync/internal_api/public/sync_encryption_handler.h"
  13 #include "sync/syncable/nigori_handler.h"
  14 #include "sync/test/fake_encryptor.h"
  15 #include "sync/util/cryptographer.h"
  16
  17 namespace syncer {
  18
  19 // A fake sync encryption handler capable of keeping track of the encryption
  20 // state without opening any transactions or interacting with the nigori node.
  21 // Note that this only performs basic interactions with the cryptographer
  22 // (setting pending keys, installing keys).
  23 // Note: NOT thread safe. If threads attempt to check encryption state
  24 // while another thread is modifying it, races can occur.
  25 class FakeSyncEncryptionHandler : public SyncEncryptionHandler,
  26                                   public syncable::NigoriHandler {
  27  public:
  28   FakeSyncEncryptionHandler();
  29   ~FakeSyncEncryptionHandler() override;
  30
  31   // SyncEncryptionHandler implementation.
  32   void AddObserver(Observer* observer) override;
  33   void RemoveObserver(Observer* observer) override;
  34   void Init() override;
  35   void SetEncryptionPassphrase(const std::string& passphrase,
  36                                bool is_explicit) override;
  37   void SetDecryptionPassphrase(const std::string& passphrase) override;
  38   void EnableEncryptEverything() override;
  39   bool EncryptEverythingEnabled() const override;
  40   PassphraseType GetPassphraseType() const override;
  41
  42   // NigoriHandler implemenation.
  43   void ApplyNigoriUpdate(const sync_pb::NigoriSpecifics& nigori,
  44                          syncable::BaseTransaction* const trans) override;
  45   void UpdateNigoriFromEncryptedTypes(
  46       sync_pb::NigoriSpecifics* nigori,
  47       syncable::BaseTransaction* const trans) const override;
  48   bool NeedKeystoreKey(syncable::BaseTransaction* const trans) const override;
  49   bool SetKeystoreKeys(
  50       const google::protobuf::RepeatedPtrField<google::protobuf::string>& keys,
  51       syncable::BaseTransaction* const trans) override;
  52   ModelTypeSet GetEncryptedTypes(
  53       syncable::BaseTransaction* const trans) const override;
  54
  55   Cryptographer* cryptographer() { return &cryptographer_; }
  56
  57  private:
  58   base::ObserverList<SyncEncryptionHandler::Observer> observers_;
  59   ModelTypeSet encrypted_types_;
  60   bool encrypt_everything_;
  61   PassphraseType passphrase_type_;
  62
  63   FakeEncryptor encryptor_;
  64   Cryptographer cryptographer_;
  65   std::string keystore_key_;
  66 };
  67
  68 }  // namespace syncer
  69
  70 #endif  // SYNC_INTERNAL_API_PUBLIC_TEST_FAKE_SYNC_ENCRYPTION_HANDLER_H_