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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/policy/enrollment/device_cloud_policy_initializer.h"
#include <memory>
#include <utility>
#include "base/functional/bind.h"
#include "base/logging.h"
#include "chrome/browser/ash/policy/core/device_cloud_policy_client_factory_ash.h"
#include "chrome/browser/ash/policy/core/device_cloud_policy_manager_ash.h"
#include "chrome/browser/ash/policy/core/device_cloud_policy_store_ash.h"
#include "chrome/browser/ash/policy/enrollment/auto_enrollment_type_checker.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/net/system_network_context_manager.h"
#include "chrome/common/chrome_content_client.h"
#include "chromeos/ash/components/cryptohome/cryptohome_parameters.h"
#include "chromeos/ash/components/install_attributes/install_attributes.h"
#include "chromeos/ash/components/system/statistics_provider.h"
#include "components/policy/core/common/cloud/cloud_policy_client.h"
#include "components/policy/core/common/cloud/cloud_policy_core.h"
#include "components/policy/core/common/cloud/device_management_service.h"
namespace policy {
DeviceCloudPolicyInitializer::DeviceCloudPolicyInitializer(
DeviceManagementService* enterprise_service,
ash::InstallAttributes* install_attributes,
ServerBackedStateKeysBroker* state_keys_broker,
DeviceCloudPolicyStoreAsh* policy_store,
DeviceCloudPolicyManagerAsh* policy_manager,
ash::system::StatisticsProvider* statistics_provider)
: enterprise_service_(enterprise_service),
install_attributes_(install_attributes),
state_keys_broker_(state_keys_broker),
policy_store_(policy_store),
policy_manager_(policy_manager),
statistics_provider_(statistics_provider) {}
void DeviceCloudPolicyInitializer::SetSystemURLLoaderFactoryForTesting(
scoped_refptr<network::SharedURLLoaderFactory> system_url_loader_factory) {
system_url_loader_factory_for_testing_ = system_url_loader_factory;
}
DeviceCloudPolicyInitializer::~DeviceCloudPolicyInitializer() {
DCHECK(!is_initialized_);
}
void DeviceCloudPolicyInitializer::Init() {
DCHECK(!is_initialized_);
is_initialized_ = true;
policy_store_->AddObserver(this);
policy_manager_observer_.Observe(policy_manager_.get());
// If state keys are supported but not available, we need to obtain them
// before proceeding.
// Background: `DeviceCloudPolicyManagerAsh::StartConnection` expects state
// keys to be present if they are supported).
if (AutoEnrollmentTypeChecker::AreFREStateKeysSupported() &&
!state_keys_broker_->available()) {
state_keys_update_subscription_ =
state_keys_broker_->RegisterUpdateCallback(base::BindRepeating(
&DeviceCloudPolicyInitializer::TryToStartConnection,
base::Unretained(this)));
return;
}
TryToStartConnection();
}
void DeviceCloudPolicyInitializer::Shutdown() {
DCHECK(is_initialized_);
policy_store_->RemoveObserver(this);
state_keys_update_subscription_ = {};
policy_manager_observer_.Reset();
is_initialized_ = false;
}
void DeviceCloudPolicyInitializer::OnStoreLoaded(CloudPolicyStore* store) {
TryToStartConnection();
}
void DeviceCloudPolicyInitializer::OnStoreError(CloudPolicyStore* store) {
// Do nothing.
}
void DeviceCloudPolicyInitializer::OnDeviceCloudPolicyManagerConnected() {
// Do nothing.
}
void DeviceCloudPolicyInitializer::OnDeviceCloudPolicyManagerGotRegistry() {
// `policy_manager_->HasSchemaRegistry()` is one of requirements for
// StartConnection. Make another attempt when `policy_manager_` gets its
// registry.
policy_manager_observer_.Reset();
TryToStartConnection();
}
std::unique_ptr<CloudPolicyClient> DeviceCloudPolicyInitializer::CreateClient(
DeviceManagementService* device_management_service) {
// DeviceDMToken callback is empty here because for device policies this
// DMToken is already provided in the policy fetch requests.
return CreateDeviceCloudPolicyClientAsh(
statistics_provider_, device_management_service,
system_url_loader_factory_for_testing_
? system_url_loader_factory_for_testing_
: g_browser_process->shared_url_loader_factory(),
CloudPolicyClient::DeviceDMTokenCallback());
}
void DeviceCloudPolicyInitializer::TryToStartConnection() {
if (!policy_store_->is_initialized() || !policy_store_->has_policy()) {
return;
}
if (!policy_manager_store_ready_notified_) {
policy_manager_store_ready_notified_ = true;
policy_manager_->OnPolicyStoreReady(install_attributes_);
}
if (!policy_manager_->HasSchemaRegistry()) {
// crbug.com/1295871: `policy_manager_` might not have schema registry on
// start connection attempt. This may happen on chrome restart when
// `chrome::kInitialProfile` is created after login profile: policy will be
// loaded but `BuildSchemaRegistryServiceForProfile` will not be called for
// non-initial / non-sign-in profile.
return;
}
if (state_keys_broker_->available() ||
!AutoEnrollmentTypeChecker::AreFREStateKeysSupported()) {
StartConnection(CreateClient(enterprise_service_));
}
}
void DeviceCloudPolicyInitializer::StartConnection(
std::unique_ptr<CloudPolicyClient> client) {
// This initializer will be deleted once `policy_manager_` is connected.
// Stop observing the manager as there's nothing interesting it can say
// anymore.
policy_manager_observer_.Reset();
if (!policy_manager_->IsConnected()) {
policy_manager_->StartConnection(std::move(client), install_attributes_);
}
}
} // namespace policy
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