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// Copyright 2013 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 "chrome/browser/chromeos/extensions/device_local_account_external_policy_loader.h"
#include "base/callback.h"
#include "base/logging.h"
#include "base/prefs/pref_value_map.h"
#include "base/values.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/extensions/policy_handlers.h"
#include "components/policy/core/common/policy_map.h"
#include "extensions/browser/pref_names.h"
#include "net/url_request/url_request_context_getter.h"
namespace chromeos {
DeviceLocalAccountExternalPolicyLoader::
DeviceLocalAccountExternalPolicyLoader(policy::CloudPolicyStore* store,
const base::FilePath& cache_dir)
: store_(store),
cache_dir_(cache_dir) {
}
bool DeviceLocalAccountExternalPolicyLoader::IsCacheRunning() const {
return external_cache_;
}
void DeviceLocalAccountExternalPolicyLoader::StartCache(
const scoped_refptr<base::SequencedTaskRunner>& cache_task_runner) {
DCHECK(!external_cache_);
store_->AddObserver(this);
external_cache_.reset(new ExternalCache(
cache_dir_,
g_browser_process->system_request_context(),
cache_task_runner,
this,
true /* always_check_updates */,
false /* wait_for_cache_initialization */));
if (store_->is_initialized())
UpdateExtensionListFromStore();
}
void DeviceLocalAccountExternalPolicyLoader::StopCache(
const base::Closure& callback) {
if (external_cache_) {
external_cache_->Shutdown(callback);
external_cache_.reset();
store_->RemoveObserver(this);
}
base::DictionaryValue empty_prefs;
OnExtensionListsUpdated(&empty_prefs);
}
void DeviceLocalAccountExternalPolicyLoader::StartLoading() {
if (prefs_)
LoadFinished();
}
void DeviceLocalAccountExternalPolicyLoader::OnStoreLoaded(
policy::CloudPolicyStore* store) {
DCHECK(external_cache_);
DCHECK_EQ(store_, store);
UpdateExtensionListFromStore();
}
void DeviceLocalAccountExternalPolicyLoader::OnStoreError(
policy::CloudPolicyStore* store) {
DCHECK(external_cache_);
DCHECK_EQ(store_, store);
}
void DeviceLocalAccountExternalPolicyLoader::OnExtensionListsUpdated(
const base::DictionaryValue* prefs) {
DCHECK(external_cache_ || prefs->empty());
prefs_.reset(prefs->DeepCopy());
LoadFinished();
}
ExternalCache*
DeviceLocalAccountExternalPolicyLoader::GetExternalCacheForTesting() {
return external_cache_.get();
}
DeviceLocalAccountExternalPolicyLoader::
~DeviceLocalAccountExternalPolicyLoader() {
DCHECK(!external_cache_);
}
void DeviceLocalAccountExternalPolicyLoader::UpdateExtensionListFromStore() {
scoped_ptr<base::DictionaryValue> prefs(new base::DictionaryValue);
const policy::PolicyMap& policy_map = store_->policy_map();
// TODO(binjin): Use two policy handlers here after
// ExtensionManagementPolicyHandler is introduced.
extensions::ExtensionInstallForcelistPolicyHandler policy_handler;
if (policy_handler.CheckPolicySettings(policy_map, NULL)) {
PrefValueMap pref_value_map;
policy_handler.ApplyPolicySettings(policy_map, &pref_value_map);
const base::Value* value = NULL;
const base::DictionaryValue* dict = NULL;
if (pref_value_map.GetValue(extensions::pref_names::kInstallForceList,
&value) &&
value->GetAsDictionary(&dict)) {
prefs.reset(dict->DeepCopy());
}
}
external_cache_->UpdateExtensionsList(prefs.Pass());
}
} // namespace chromeos
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