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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef COMPONENTS_USER_PREFS_TRACKED_PREF_HASH_FILTER_H_ | 5 #ifndef COMPONENTS_USER_PREFS_TRACKED_PREF_HASH_FILTER_H_ |
6 #define COMPONENTS_USER_PREFS_TRACKED_PREF_HASH_FILTER_H_ | 6 #define COMPONENTS_USER_PREFS_TRACKED_PREF_HASH_FILTER_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 | 9 |
10 #include <map> | 10 #include <map> |
11 #include <memory> | 11 #include <memory> |
12 #include <set> | 12 #include <set> |
13 #include <unordered_map> | 13 #include <unordered_map> |
14 #include <vector> | 14 #include <vector> |
15 | 15 |
16 #include "base/callback.h" | 16 #include "base/callback.h" |
17 #include "base/compiler_specific.h" | 17 #include "base/compiler_specific.h" |
18 #include "base/files/file_path.h" | 18 #include "base/files/file_path.h" |
19 #include "base/macros.h" | 19 #include "base/macros.h" |
20 #include "base/optional.h" | 20 #include "base/optional.h" |
21 #include "components/user_prefs/tracked/hash_store_contents.h" | 21 #include "components/user_prefs/tracked/hash_store_contents.h" |
22 #include "components/user_prefs/tracked/interceptable_pref_filter.h" | 22 #include "components/user_prefs/tracked/interceptable_pref_filter.h" |
23 #include "components/user_prefs/tracked/tracked_preference.h" | 23 #include "components/user_prefs/tracked/tracked_preference.h" |
24 | 24 |
25 class PrefHashStore; | 25 class PrefHashStore; |
26 class PrefService; | 26 class PrefService; |
27 class TrackedPreferenceValidationDelegate; | |
28 | 27 |
29 namespace base { | 28 namespace base { |
30 class DictionaryValue; | 29 class DictionaryValue; |
31 class Time; | 30 class Time; |
32 } // namespace base | 31 } // namespace base |
33 | 32 |
| 33 namespace prefs { |
| 34 namespace mojom { |
| 35 class TrackedPreferenceValidationDelegate; |
| 36 } |
| 37 } |
| 38 |
34 namespace user_prefs { | 39 namespace user_prefs { |
35 class PrefRegistrySyncable; | 40 class PrefRegistrySyncable; |
36 } // namespace user_prefs | 41 } // namespace user_prefs |
37 | 42 |
38 // Intercepts preference values as they are loaded from disk and verifies them | 43 // Intercepts preference values as they are loaded from disk and verifies them |
39 // using a PrefHashStore. Keeps the PrefHashStore contents up to date as values | 44 // using a PrefHashStore. Keeps the PrefHashStore contents up to date as values |
40 // are changed. | 45 // are changed. |
41 class PrefHashFilter : public InterceptablePrefFilter { | 46 class PrefHashFilter : public InterceptablePrefFilter { |
42 public: | 47 public: |
43 enum EnforcementLevel { NO_ENFORCEMENT, ENFORCE_ON_LOAD }; | 48 enum EnforcementLevel { NO_ENFORCEMENT, ENFORCE_ON_LOAD }; |
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77 // than |tracked_preferences.size()|). If |report_super_mac_validity| is true, | 82 // than |tracked_preferences.size()|). If |report_super_mac_validity| is true, |
78 // the state of the super MAC will be reported via UMA during | 83 // the state of the super MAC will be reported via UMA during |
79 // FinalizeFilterOnLoad. | 84 // FinalizeFilterOnLoad. |
80 // |external_validation_hash_store_pair_| will be used (if non-null) to | 85 // |external_validation_hash_store_pair_| will be used (if non-null) to |
81 // perform extra validations without triggering resets. | 86 // perform extra validations without triggering resets. |
82 PrefHashFilter( | 87 PrefHashFilter( |
83 std::unique_ptr<PrefHashStore> pref_hash_store, | 88 std::unique_ptr<PrefHashStore> pref_hash_store, |
84 StoreContentsPair external_validation_hash_store_pair_, | 89 StoreContentsPair external_validation_hash_store_pair_, |
85 const std::vector<TrackedPreferenceMetadata>& tracked_preferences, | 90 const std::vector<TrackedPreferenceMetadata>& tracked_preferences, |
86 const base::Closure& on_reset_on_load, | 91 const base::Closure& on_reset_on_load, |
87 TrackedPreferenceValidationDelegate* delegate, | 92 prefs::mojom::TrackedPreferenceValidationDelegate* delegate, |
88 size_t reporting_ids_count, | 93 size_t reporting_ids_count, |
89 bool report_super_mac_validity); | 94 bool report_super_mac_validity); |
90 | 95 |
91 ~PrefHashFilter() override; | 96 ~PrefHashFilter() override; |
92 | 97 |
93 // Registers required user preferences. | 98 // Registers required user preferences. |
94 static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry); | 99 static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry); |
95 | 100 |
96 // Retrieves the time of the last reset event, if any, for the provided user | 101 // Retrieves the time of the last reset event, if any, for the provided user |
97 // preferences. If no reset has occurred, Returns a null |Time|. | 102 // preferences. If no reset has occurred, Returns a null |Time|. |
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167 // FilterSerializeData. | 172 // FilterSerializeData. |
168 ChangedPathsMap changed_paths_; | 173 ChangedPathsMap changed_paths_; |
169 | 174 |
170 // Whether to report the validity of the super MAC at load time (via UMA). | 175 // Whether to report the validity of the super MAC at load time (via UMA). |
171 bool report_super_mac_validity_; | 176 bool report_super_mac_validity_; |
172 | 177 |
173 DISALLOW_COPY_AND_ASSIGN(PrefHashFilter); | 178 DISALLOW_COPY_AND_ASSIGN(PrefHashFilter); |
174 }; | 179 }; |
175 | 180 |
176 #endif // COMPONENTS_PREFS_TRACKED_PREF_HASH_FILTER_H_ | 181 #endif // COMPONENTS_PREFS_TRACKED_PREF_HASH_FILTER_H_ |
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