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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/policy/login_profile_policy_provider.h"
#include <string>
#include "base/bind.h"
#include "base/callback.h"
#include "base/memory/scoped_ptr.h"
#include "base/values.h"
#include "chromeos/dbus/power_policy_controller.h"
#include "components/policy/core/browser/policy_error_map.h"
#include "components/policy/core/common/external_data_fetcher.h"
#include "components/policy/core/common/policy_bundle.h"
#include "components/policy/core/common/policy_map.h"
#include "components/policy/core/common/policy_types.h"
#include "policy/policy_constants.h"
namespace policy {
namespace {
const char kLidCloseAction[] = "LidCloseAction";
const char kUserActivityScreenDimDelayScale[] =
"UserActivityScreenDimDelayScale";
const char kActionSuspend[] = "Suspend";
const char kActionLogout[] = "Logout";
const char kActionShutdown[] = "Shutdown";
const char kActionDoNothing[] = "DoNothing";
scoped_ptr<base::Value> GetAction(const std::string &action) {
if (action == kActionSuspend) {
return scoped_ptr<base::Value>(new base::FundamentalValue(
chromeos::PowerPolicyController::ACTION_SUSPEND));
}
if (action == kActionLogout) {
return scoped_ptr<base::Value>(new base::FundamentalValue(
chromeos::PowerPolicyController::ACTION_STOP_SESSION));
}
if (action == kActionShutdown) {
return scoped_ptr<base::Value>(new base::FundamentalValue(
chromeos::PowerPolicyController::ACTION_SHUT_DOWN));
}
if (action == kActionDoNothing) {
return scoped_ptr<base::Value>(new base::FundamentalValue(
chromeos::PowerPolicyController::ACTION_DO_NOTHING));
}
return scoped_ptr<base::Value>();
}
// Applies the value of |device_policy| in |device_policy_map| as the
// recommended value of |user_policy| in |user_policy_map|. If the value of
// |device_policy| is unset, does nothing.
void ApplyDevicePolicyAsRecommendedPolicy(const std::string& device_policy,
const std::string& user_policy,
const PolicyMap& device_policy_map,
PolicyMap* user_policy_map) {
const base::Value* value = device_policy_map.GetValue(device_policy);
if (value) {
user_policy_map->Set(user_policy,
POLICY_LEVEL_RECOMMENDED,
POLICY_SCOPE_USER,
value->DeepCopy(),
NULL);
}
}
// Applies |value| as the mandatory value of |user_policy| in |user_policy_map|.
// If |value| is NULL, does nothing.
void ApplyValueAsMandatoryPolicy(const base::Value* value,
const std::string& user_policy,
PolicyMap* user_policy_map) {
if (value) {
user_policy_map->Set(user_policy,
POLICY_LEVEL_MANDATORY,
POLICY_SCOPE_USER,
value->DeepCopy(),
NULL);
}
}
} // namespace
LoginProfilePolicyProvider::LoginProfilePolicyProvider(
PolicyService* device_policy_service)
: device_policy_service_(device_policy_service),
waiting_for_device_policy_refresh_(false),
weak_factory_(this) {
}
LoginProfilePolicyProvider::~LoginProfilePolicyProvider() {
}
void LoginProfilePolicyProvider::Init(SchemaRegistry* registry) {
ConfigurationPolicyProvider::Init(registry);
device_policy_service_->AddObserver(POLICY_DOMAIN_CHROME, this);
if (device_policy_service_->IsInitializationComplete(POLICY_DOMAIN_CHROME))
UpdateFromDevicePolicy();
}
void LoginProfilePolicyProvider::Shutdown() {
device_policy_service_->RemoveObserver(POLICY_DOMAIN_CHROME, this);
weak_factory_.InvalidateWeakPtrs();
ConfigurationPolicyProvider::Shutdown();
}
void LoginProfilePolicyProvider::RefreshPolicies() {
waiting_for_device_policy_refresh_ = true;
weak_factory_.InvalidateWeakPtrs();
device_policy_service_->RefreshPolicies(base::Bind(
&LoginProfilePolicyProvider::OnDevicePolicyRefreshDone,
weak_factory_.GetWeakPtr()));
}
void LoginProfilePolicyProvider::OnPolicyUpdated(const PolicyNamespace& ns,
const PolicyMap& previous,
const PolicyMap& current) {
if (ns == PolicyNamespace(POLICY_DOMAIN_CHROME, std::string()))
UpdateFromDevicePolicy();
}
void LoginProfilePolicyProvider::OnPolicyServiceInitialized(
PolicyDomain domain) {
if (domain == POLICY_DOMAIN_CHROME)
UpdateFromDevicePolicy();
}
void LoginProfilePolicyProvider::OnDevicePolicyRefreshDone() {
waiting_for_device_policy_refresh_ = false;
UpdateFromDevicePolicy();
}
void LoginProfilePolicyProvider::UpdateFromDevicePolicy() {
// If a policy refresh is in progress, wait for it to finish.
if (waiting_for_device_policy_refresh_)
return;
const PolicyNamespace chrome_namespaces(POLICY_DOMAIN_CHROME, std::string());
const PolicyMap& device_policy_map =
device_policy_service_->GetPolicies(chrome_namespaces);
scoped_ptr<PolicyBundle> bundle(new PolicyBundle);
PolicyMap& user_policy_map = bundle->Get(chrome_namespaces);
ApplyDevicePolicyAsRecommendedPolicy(
key::kDeviceLoginScreenDefaultLargeCursorEnabled,
key::kLargeCursorEnabled,
device_policy_map, &user_policy_map);
ApplyDevicePolicyAsRecommendedPolicy(
key::kDeviceLoginScreenDefaultSpokenFeedbackEnabled,
key::kSpokenFeedbackEnabled,
device_policy_map, &user_policy_map);
ApplyDevicePolicyAsRecommendedPolicy(
key::kDeviceLoginScreenDefaultHighContrastEnabled,
key::kHighContrastEnabled,
device_policy_map, &user_policy_map);
ApplyDevicePolicyAsRecommendedPolicy(
key::kDeviceLoginScreenDefaultScreenMagnifierType,
key::kScreenMagnifierType,
device_policy_map, &user_policy_map);
ApplyDevicePolicyAsRecommendedPolicy(
key::kDeviceLoginScreenDefaultVirtualKeyboardEnabled,
key::kVirtualKeyboardEnabled,
device_policy_map, &user_policy_map);
const base::Value* value =
device_policy_map.GetValue(key::kDeviceLoginScreenPowerManagement);
const base::DictionaryValue* dict = NULL;
if (value && value->GetAsDictionary(&dict)) {
scoped_ptr<base::DictionaryValue> policy_value(dict->DeepCopy());
std::string lid_close_action;
base::Value* screen_dim_delay_scale = NULL;
if (policy_value->GetString(kLidCloseAction, &lid_close_action)) {
scoped_ptr<base::Value> action = GetAction(lid_close_action);
if (action) {
ApplyValueAsMandatoryPolicy(
action.get(), key::kLidCloseAction, &user_policy_map);
}
policy_value->Remove(kLidCloseAction, NULL);
}
if (policy_value->Get(kUserActivityScreenDimDelayScale,
&screen_dim_delay_scale)) {
ApplyValueAsMandatoryPolicy(screen_dim_delay_scale,
key::kUserActivityScreenDimDelayScale,
&user_policy_map);
policy_value->Remove(kUserActivityScreenDimDelayScale, NULL);
}
// |policy_value| is expected to be a valid value for the
// PowerManagementIdleSettings policy now.
if (!policy_value->empty()) {
ApplyValueAsMandatoryPolicy(policy_value.get(),
key::kPowerManagementIdleSettings,
&user_policy_map);
}
}
UpdatePolicy(bundle.Pass());
}
} // namespace policy
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