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1 // Copyright 2017 The Chromium Authors. All rights reserved. | 1 // Copyright 2017 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 #include "services/preferences/persistent_pref_store_factory.h" | 5 #include "services/preferences/persistent_pref_store_factory.h" |
6 | 6 |
7 #include <memory> | 7 #include <memory> |
8 #include <set> | |
9 #include <string> | |
8 #include <utility> | 10 #include <utility> |
11 #include <vector> | |
9 | 12 |
10 #include "components/prefs/json_pref_store.h" | 13 #include "components/prefs/json_pref_store.h" |
11 #include "components/prefs/pref_filter.h" | 14 #include "components/prefs/pref_filter.h" |
15 #include "components/user_prefs/tracked/pref_hash_filter.h" | |
16 #include "components/user_prefs/tracked/pref_hash_store_impl.h" | |
17 #include "components/user_prefs/tracked/segregated_pref_store.h" | |
18 #include "components/user_prefs/tracked/tracked_preferences_migration.h" | |
19 #include "mojo/public/cpp/bindings/strong_binding.h" | |
12 #include "services/preferences/persistent_pref_store_impl.h" | 20 #include "services/preferences/persistent_pref_store_impl.h" |
21 #include "services/preferences/public/interfaces/tracked_preference_validation_d elegate.mojom.h" | |
22 | |
23 #if defined(OS_WIN) | |
24 #include "components/user_prefs/tracked/registry_hash_store_contents_win.h" | |
25 #endif | |
13 | 26 |
14 namespace prefs { | 27 namespace prefs { |
15 namespace { | 28 namespace { |
16 | 29 |
30 void RemoveValueSilently(const base::WeakPtr<JsonPrefStore> pref_store, | |
31 const std::string& key) { | |
32 if (pref_store) { | |
33 pref_store->RemoveValueSilently( | |
34 key, WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); | |
35 } | |
36 } | |
37 | |
38 std::unique_ptr<PrefHashStore> CreatePrefHashStore( | |
39 const std::string& seed, | |
40 const std::string& legacy_device_id, | |
41 bool use_super_mac) { | |
42 return base::MakeUnique<PrefHashStoreImpl>(seed, legacy_device_id, | |
43 use_super_mac); | |
44 } | |
45 | |
46 std::pair<std::unique_ptr<PrefHashStore>, std::unique_ptr<HashStoreContents>> | |
47 GetExternalVerificationPrefHashStorePair(const std::string& seed, | |
48 const std::string& legacy_device_id, | |
49 const base::string16& registry_path, | |
50 const base::FilePath& prefs_path) { | |
51 #if defined(OS_WIN) | |
52 return std::make_pair( | |
53 base::MakeUnique<PrefHashStoreImpl>(seed, legacy_device_id, | |
54 false /* use_super_mac */), | |
55 base::MakeUnique<RegistryHashStoreContentsWin>( | |
56 registry_path, prefs_path.DirName().BaseName().LossyDisplayName())); | |
57 #else | |
58 return std::make_pair(nullptr, nullptr); | |
59 #endif | |
60 } | |
61 | |
62 void ForwardToResetOnLoadObserver(mojom::ResetOnLoadObserverPtr observer) { | |
63 if (observer) | |
64 observer->OnResetOnLoad(); | |
65 } | |
66 | |
17 std::unique_ptr<PersistentPrefStoreImpl> CreateSimplePersistentPrefStore( | 67 std::unique_ptr<PersistentPrefStoreImpl> CreateSimplePersistentPrefStore( |
18 mojom::SimplePersistentPrefStoreConfigurationPtr config, | 68 mojom::SimplePersistentPrefStoreConfigurationPtr config, |
19 base::SequencedWorkerPool* worker_pool) { | 69 base::SequencedWorkerPool* worker_pool) { |
20 return base::MakeUnique<PersistentPrefStoreImpl>( | 70 return base::MakeUnique<PersistentPrefStoreImpl>( |
21 new JsonPrefStore(config->pref_filename, | 71 new JsonPrefStore(config->pref_filename, |
22 JsonPrefStore::GetTaskRunnerForFile( | 72 JsonPrefStore::GetTaskRunnerForFile( |
23 config->pref_filename.DirName(), worker_pool), | 73 config->pref_filename.DirName(), worker_pool), |
24 nullptr), | 74 nullptr), |
25 nullptr); | 75 nullptr); |
26 } | 76 } |
27 | 77 |
78 std::unique_ptr<PersistentPrefStoreImpl> CreateTrackedPersistentPrefStore( | |
tibell
2017/03/10 04:29:01
Does this method have to be kept in sync with some
Sam McNally
2017/03/10 05:04:44
Extracted out the common parts.
| |
79 mojom::TrackedPersistentPrefStoreConfigurationPtr config, | |
80 base::SequencedWorkerPool* worker_pool) { | |
81 std::vector<PrefHashFilter::TrackedPreferenceMetadata> | |
82 unprotected_configuration; | |
83 std::vector<PrefHashFilter::TrackedPreferenceMetadata> | |
84 protected_configuration; | |
85 std::set<std::string> protected_pref_names; | |
86 std::set<std::string> unprotected_pref_names; | |
87 for (const auto& metadata : config->tracking_configuration) { | |
88 PrefHashFilter::TrackedPreferenceMetadata metadata_view = { | |
89 metadata->reporting_id, metadata->name.c_str(), | |
90 metadata->enforcement_level, metadata->strategy, | |
91 metadata->value_type, | |
92 }; | |
93 if (metadata->enforcement_level > | |
94 mojom::TrackedPreferenceMetadata::EnforcementLevel::NO_ENFORCEMENT) { | |
95 protected_configuration.push_back(metadata_view); | |
96 protected_pref_names.insert(metadata->name); | |
97 } else { | |
98 unprotected_configuration.push_back(metadata_view); | |
99 unprotected_pref_names.insert(metadata->name); | |
100 } | |
101 } | |
102 | |
103 std::unique_ptr<PrefHashFilter> unprotected_pref_hash_filter( | |
104 new PrefHashFilter( | |
105 CreatePrefHashStore(config->seed, config->legacy_device_id, false), | |
106 GetExternalVerificationPrefHashStorePair( | |
107 config->seed, config->legacy_device_id, config->registry_path, | |
108 config->unprotected_pref_filename), | |
109 unprotected_configuration, base::Closure(), | |
110 config->validation_delegate.get(), config->reporting_ids_count, | |
111 false)); | |
112 std::unique_ptr<PrefHashFilter> protected_pref_hash_filter(new PrefHashFilter( | |
113 CreatePrefHashStore(config->seed, config->legacy_device_id, true), | |
114 GetExternalVerificationPrefHashStorePair( | |
115 config->seed, config->legacy_device_id, config->registry_path, | |
116 config->unprotected_pref_filename), | |
117 protected_configuration, | |
118 base::Bind(&ForwardToResetOnLoadObserver, | |
119 base::Passed(&config->reset_on_load_observer)), | |
120 config->validation_delegate.get(), config->reporting_ids_count, true)); | |
121 | |
122 PrefHashFilter* raw_unprotected_pref_hash_filter = | |
123 unprotected_pref_hash_filter.get(); | |
124 PrefHashFilter* raw_protected_pref_hash_filter = | |
125 protected_pref_hash_filter.get(); | |
126 | |
127 auto io_task_runner = JsonPrefStore::GetTaskRunnerForFile( | |
128 config->unprotected_pref_filename.DirName(), worker_pool); | |
129 scoped_refptr<JsonPrefStore> unprotected_pref_store( | |
130 new JsonPrefStore(config->unprotected_pref_filename, io_task_runner.get(), | |
131 std::move(unprotected_pref_hash_filter))); | |
132 scoped_refptr<JsonPrefStore> protected_pref_store( | |
133 new JsonPrefStore(config->protected_pref_filename, io_task_runner.get(), | |
134 std::move(protected_pref_hash_filter))); | |
135 | |
136 SetupTrackedPreferencesMigration( | |
137 unprotected_pref_names, protected_pref_names, | |
138 base::Bind(&RemoveValueSilently, unprotected_pref_store->AsWeakPtr()), | |
139 base::Bind(&RemoveValueSilently, protected_pref_store->AsWeakPtr()), | |
140 base::Bind(&JsonPrefStore::RegisterOnNextSuccessfulWriteReply, | |
141 unprotected_pref_store->AsWeakPtr()), | |
142 base::Bind(&JsonPrefStore::RegisterOnNextSuccessfulWriteReply, | |
143 protected_pref_store->AsWeakPtr()), | |
144 CreatePrefHashStore(config->seed, config->legacy_device_id, false), | |
145 CreatePrefHashStore(config->seed, config->legacy_device_id, true), | |
146 raw_unprotected_pref_hash_filter, raw_protected_pref_hash_filter); | |
147 | |
148 return base::MakeUnique<PersistentPrefStoreImpl>( | |
149 new SegregatedPrefStore(unprotected_pref_store, protected_pref_store, | |
150 protected_pref_names), | |
151 std::move(config->validation_delegate)); | |
152 } | |
153 | |
28 } // namespace | 154 } // namespace |
29 | 155 |
30 std::unique_ptr<PersistentPrefStoreImpl> CreatePersistentPrefStore( | 156 std::unique_ptr<PersistentPrefStoreImpl> CreatePersistentPrefStore( |
31 mojom::PersistentPrefStoreConfigurationPtr configuration, | 157 mojom::PersistentPrefStoreConfigurationPtr configuration, |
32 base::SequencedWorkerPool* worker_pool) { | 158 base::SequencedWorkerPool* worker_pool) { |
33 if (configuration->is_simple_configuration()) { | 159 if (configuration->is_simple_configuration()) { |
34 return CreateSimplePersistentPrefStore( | 160 return CreateSimplePersistentPrefStore( |
35 std::move(configuration->get_simple_configuration()), worker_pool); | 161 std::move(configuration->get_simple_configuration()), worker_pool); |
36 } | 162 } |
163 if (configuration->is_tracked_configuration()) { | |
164 return CreateTrackedPersistentPrefStore( | |
165 std::move(configuration->get_tracked_configuration()), worker_pool); | |
166 } | |
37 NOTREACHED(); | 167 NOTREACHED(); |
38 return nullptr; | 168 return nullptr; |
39 } | 169 } |
40 | 170 |
41 } // namespace prefs | 171 } // namespace prefs |
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