Index: services/preferences/tracked/tracked_persistent_pref_store_factory.cc |
diff --git a/services/preferences/tracked/tracked_persistent_pref_store_factory.cc b/services/preferences/tracked/tracked_persistent_pref_store_factory.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..ffb5ab2e9ace0d1b576c8901a1ad3603a422ac1d |
--- /dev/null |
+++ b/services/preferences/tracked/tracked_persistent_pref_store_factory.cc |
@@ -0,0 +1,133 @@ |
+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "services/preferences/tracked/tracked_persistent_pref_store_factory.h" |
+ |
+#include <memory> |
+#include <set> |
+#include <string> |
+#include <utility> |
+#include <vector> |
+ |
+#include "components/prefs/json_pref_store.h" |
+#include "components/prefs/pref_filter.h" |
+#include "services/preferences/public/interfaces/tracked_preference_validation_delegate.mojom.h" |
+#include "services/preferences/tracked/pref_hash_filter.h" |
+#include "services/preferences/tracked/pref_hash_store_impl.h" |
+#include "services/preferences/tracked/segregated_pref_store.h" |
+#include "services/preferences/tracked/tracked_preferences_migration.h" |
+ |
+#if defined(OS_WIN) |
+#include "services/preferences/tracked/registry_hash_store_contents_win.h" |
+#endif |
+ |
+namespace { |
+ |
+void RemoveValueSilently(const base::WeakPtr<JsonPrefStore> pref_store, |
+ const std::string& key) { |
+ if (pref_store) { |
+ pref_store->RemoveValueSilently( |
+ key, WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS); |
+ } |
+} |
+ |
+std::unique_ptr<PrefHashStore> CreatePrefHashStore( |
+ const prefs::mojom::TrackedPersistentPrefStoreConfiguration& config, |
+ bool use_super_mac) { |
+ return base::MakeUnique<PrefHashStoreImpl>( |
+ config.seed, config.legacy_device_id, use_super_mac); |
+} |
+ |
+std::pair<std::unique_ptr<PrefHashStore>, std::unique_ptr<HashStoreContents>> |
+GetExternalVerificationPrefHashStorePair( |
+ const prefs::mojom::TrackedPersistentPrefStoreConfiguration& config) { |
+#if defined(OS_WIN) |
+ return std::make_pair( |
+ base::MakeUnique<PrefHashStoreImpl>(config.registry_seed, |
+ config.legacy_device_id, |
+ false /* use_super_mac */), |
+ base::MakeUnique<RegistryHashStoreContentsWin>( |
+ config.registry_path, config.unprotected_pref_filename.DirName() |
+ .BaseName() |
+ .LossyDisplayName())); |
+#else |
+ return std::make_pair(nullptr, nullptr); |
+#endif |
+} |
+ |
+} // namespace |
+ |
+PersistentPrefStore* CreateTrackedPersistentPrefStore( |
+ prefs::mojom::TrackedPersistentPrefStoreConfigurationPtr config, |
+ base::SequencedWorkerPool* worker_pool) { |
+ auto io_task_runner = JsonPrefStore::GetTaskRunnerForFile( |
+ config->unprotected_pref_filename.DirName(), worker_pool); |
+ |
+ std::vector<prefs::mojom::TrackedPreferenceMetadataPtr> |
+ unprotected_configuration; |
+ std::vector<prefs::mojom::TrackedPreferenceMetadataPtr> |
+ protected_configuration; |
+ std::set<std::string> protected_pref_names; |
+ std::set<std::string> unprotected_pref_names; |
+ for (auto& metadata : config->tracking_configuration) { |
+ if (metadata->enforcement_level > prefs::mojom::TrackedPreferenceMetadata:: |
+ EnforcementLevel::NO_ENFORCEMENT) { |
+ protected_pref_names.insert(metadata->name); |
+ protected_configuration.push_back(std::move(metadata)); |
+ } else { |
+ unprotected_pref_names.insert(metadata->name); |
+ unprotected_configuration.push_back(std::move(metadata)); |
+ } |
+ } |
+ config->tracking_configuration.clear(); |
+ |
+ std::unique_ptr<PrefHashFilter> unprotected_pref_hash_filter( |
+ new PrefHashFilter(CreatePrefHashStore(*config, false), |
+ GetExternalVerificationPrefHashStorePair(*config), |
+ unprotected_configuration, nullptr, |
+ config->validation_delegate.get(), |
+ config->reporting_ids_count, false)); |
+ std::unique_ptr<PrefHashFilter> protected_pref_hash_filter(new PrefHashFilter( |
+ CreatePrefHashStore(*config, true), |
+ GetExternalVerificationPrefHashStorePair(*config), |
+ protected_configuration, std::move(config->reset_on_load_observer), |
+ config->validation_delegate.get(), config->reporting_ids_count, true)); |
+ |
+ PrefHashFilter* raw_unprotected_pref_hash_filter = |
+ unprotected_pref_hash_filter.get(); |
+ PrefHashFilter* raw_protected_pref_hash_filter = |
+ protected_pref_hash_filter.get(); |
+ |
+ scoped_refptr<JsonPrefStore> unprotected_pref_store( |
+ new JsonPrefStore(config->unprotected_pref_filename, io_task_runner.get(), |
+ std::move(unprotected_pref_hash_filter))); |
+ scoped_refptr<JsonPrefStore> protected_pref_store( |
+ new JsonPrefStore(config->protected_pref_filename, io_task_runner.get(), |
+ std::move(protected_pref_hash_filter))); |
+ |
+ SetupTrackedPreferencesMigration( |
+ unprotected_pref_names, protected_pref_names, |
+ base::Bind(&RemoveValueSilently, unprotected_pref_store->AsWeakPtr()), |
+ base::Bind(&RemoveValueSilently, protected_pref_store->AsWeakPtr()), |
+ base::Bind(&JsonPrefStore::RegisterOnNextSuccessfulWriteReply, |
+ unprotected_pref_store->AsWeakPtr()), |
+ base::Bind(&JsonPrefStore::RegisterOnNextSuccessfulWriteReply, |
+ protected_pref_store->AsWeakPtr()), |
+ CreatePrefHashStore(*config, false), CreatePrefHashStore(*config, true), |
+ raw_unprotected_pref_hash_filter, raw_protected_pref_hash_filter); |
+ |
+ return new SegregatedPrefStore(unprotected_pref_store, protected_pref_store, |
+ protected_pref_names, |
+ std::move(config->validation_delegate)); |
+} |
+ |
+void InitializeMasterPrefsTracking( |
+ prefs::mojom::TrackedPersistentPrefStoreConfigurationPtr configuration, |
+ base::DictionaryValue* master_prefs) { |
+ PrefHashFilter(CreatePrefHashStore(*configuration, false), |
+ GetExternalVerificationPrefHashStorePair(*configuration), |
+ configuration->tracking_configuration, nullptr, nullptr, |
+ configuration->reporting_ids_count, false) |
+ .Initialize(master_prefs); |
+} |