| // Copyright (c) 2012 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. |
| |
| #ifndef COMPONENTS_POLICY_CORE_COMMON_CONFIG_DIR_POLICY_LOADER_H_ |
| #define COMPONENTS_POLICY_CORE_COMMON_CONFIG_DIR_POLICY_LOADER_H_ |
| |
| #include "base/files/file_path.h" |
| #include "base/files/file_path_watcher.h" |
| #include "base/macros.h" |
| #include "base/sequenced_task_runner.h" |
| #include "components/policy/core/common/async_policy_loader.h" |
| #include "components/policy/core/common/policy_types.h" |
| #include "components/policy/policy_export.h" |
| |
| namespace base { |
| class Value; |
| } |
| |
| namespace policy { |
| |
| // A policy loader implementation backed by a set of files in a given |
| // directory. The files should contain JSON-formatted policy settings. They are |
| // merged together and the result is returned in a PolicyBundle. |
| // The files are consulted in lexicographic file name order, so the |
| // last value read takes precedence in case of policy key collisions. |
| class POLICY_EXPORT ConfigDirPolicyLoader : public AsyncPolicyLoader { |
| public: |
| ConfigDirPolicyLoader(scoped_refptr<base::SequencedTaskRunner> task_runner, |
| const base::FilePath& config_dir, |
| PolicyScope scope); |
| ~ConfigDirPolicyLoader() override; |
| |
| // AsyncPolicyLoader implementation. |
| void InitOnBackgroundThread() override; |
| std::unique_ptr<PolicyBundle> Load() override; |
| base::Time LastModificationTime() override; |
| |
| private: |
| // Loads the policy files at |path| into the |bundle|, with the given |level|. |
| void LoadFromPath(const base::FilePath& path, |
| PolicyLevel level, |
| PolicyBundle* bundle); |
| |
| // Merges the 3rd party |policies| into the |bundle|, with the given |level|. |
| void Merge3rdPartyPolicy(const base::Value* policies, |
| PolicyLevel level, |
| PolicyBundle* bundle); |
| |
| // Callback for the FilePathWatchers. |
| void OnFileUpdated(const base::FilePath& path, bool error); |
| |
| // Task runner for running background jobs. |
| const scoped_refptr<base::SequencedTaskRunner> task_runner_; |
| |
| // The directory containing the policy files. |
| const base::FilePath config_dir_; |
| |
| // Policies loaded by this provider will have this scope. |
| const PolicyScope scope_; |
| |
| // Watchers for events on the mandatory and recommended subdirectories of |
| // |config_dir_|. |
| base::FilePathWatcher mandatory_watcher_; |
| base::FilePathWatcher recommended_watcher_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ConfigDirPolicyLoader); |
| }; |
| |
| } // namespace policy |
| |
| #endif // COMPONENTS_POLICY_CORE_COMMON_CONFIG_DIR_POLICY_LOADER_H_ |