blob: 8956353e73a06fed4b1d0001b97d92996cd03b3c [file] [log] [blame]
// 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.
#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 {
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;
// 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_;
} // namespace policy