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// 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 "chrome/browser/chromeos/extensions/info_private_api.h"
#include <stddef.h>
#include "base/sys_info.h"
#include "base/values.h"
#include "chrome/browser/app_mode/app_mode_utils.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/chromeos/login/startup_utils.h"
#include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
#include "chrome/browser/chromeos/settings/cros_settings.h"
#include "chrome/browser/chromeos/system/timezone_util.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/pref_names.h"
#include "chromeos/network/device_state.h"
#include "chromeos/network/network_handler.h"
#include "chromeos/network/network_state_handler.h"
#include "chromeos/settings/cros_settings_names.h"
#include "chromeos/system/statistics_provider.h"
#include "components/metrics/metrics_service.h"
#include "components/prefs/pref_service.h"
#include "components/user_manager/user_manager.h"
#include "extensions/common/error_utils.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
using chromeos::NetworkHandler;
namespace extensions {
namespace {
// Key which corresponds to the HWID setting.
const char kPropertyHWID[] = "hwid";
// Key which corresponds to the customization ID setting.
const char kPropertyCustomizationID[] = "customizationId";
// Key which corresponds to the home provider property.
const char kPropertyHomeProvider[] = "homeProvider";
// Key which corresponds to the initial_locale property.
const char kPropertyInitialLocale[] = "initialLocale";
// Key which corresponds to the board property in JS.
const char kPropertyBoard[] = "board";
// Key which corresponds to the isOwner property in JS.
const char kPropertyOwner[] = "isOwner";
// Key which corresponds to the clientId property in JS.
const char kPropertyClientId[] = "clientId";
// Key which corresponds to the timezone property in JS.
const char kPropertyTimezone[] = "timezone";
// Key which corresponds to the timezone property in JS.
const char kPropertySupportedTimezones[] = "supportedTimezones";
// Key which corresponds to the large cursor A11Y property in JS.
const char kPropertyLargeCursorEnabled[] = "a11yLargeCursorEnabled";
// Key which corresponds to the sticky keys A11Y property in JS.
const char kPropertyStickyKeysEnabled[] = "a11yStickyKeysEnabled";
// Key which corresponds to the spoken feedback A11Y property in JS.
const char kPropertySpokenFeedbackEnabled[] = "a11ySpokenFeedbackEnabled";
// Key which corresponds to the high contrast mode A11Y property in JS.
const char kPropertyHighContrastEnabled[] = "a11yHighContrastEnabled";
// Key which corresponds to the screen magnifier A11Y property in JS.
const char kPropertyScreenMagnifierEnabled[] = "a11yScreenMagnifierEnabled";
// Key which corresponds to the auto click A11Y property in JS.
const char kPropertyAutoclickEnabled[] = "a11yAutoClickEnabled";
// Key which corresponds to the auto click A11Y property in JS.
const char kPropertyVirtualKeyboardEnabled[] = "a11yVirtualKeyboardEnabled";
// Key which corresponds to the send-function-keys property in JS.
const char kPropertySendFunctionsKeys[] = "sendFunctionKeys";
// Property not found error message.
const char kPropertyNotFound[] = "Property '*' does not exist.";
const struct {
const char* api_name;
const char* preference_name;
} kPreferencesMap[] = {
{kPropertyLargeCursorEnabled, prefs::kAccessibilityLargeCursorEnabled},
{kPropertyStickyKeysEnabled, prefs::kAccessibilityStickyKeysEnabled},
{kPropertySpokenFeedbackEnabled,
prefs::kAccessibilitySpokenFeedbackEnabled},
{kPropertyHighContrastEnabled, prefs::kAccessibilityHighContrastEnabled},
{kPropertyScreenMagnifierEnabled,
prefs::kAccessibilityScreenMagnifierEnabled},
{kPropertyAutoclickEnabled, prefs::kAccessibilityAutoclickEnabled},
{kPropertyVirtualKeyboardEnabled,
prefs::kAccessibilityVirtualKeyboardEnabled},
{kPropertySendFunctionsKeys, prefs::kLanguageSendFunctionKeys}};
const char* GetBoolPrefNameForApiProperty(const char* api_name) {
for (size_t i = 0;
i < (sizeof(kPreferencesMap)/sizeof(*kPreferencesMap));
i++) {
if (strcmp(kPreferencesMap[i].api_name, api_name) == 0)
return kPreferencesMap[i].preference_name;
}
return NULL;
}
bool IsEnterpriseKiosk() {
if (!chrome::IsRunningInForcedAppMode())
return false;
policy::BrowserPolicyConnectorChromeOS* connector =
g_browser_process->platform_part()->browser_policy_connector_chromeos();
return connector->IsEnterpriseManaged();
}
std::string GetClientId() {
return IsEnterpriseKiosk()
? g_browser_process->metrics_service()->GetClientId()
: std::string();
}
} // namespace
ChromeosInfoPrivateGetFunction::ChromeosInfoPrivateGetFunction() {
}
ChromeosInfoPrivateGetFunction::~ChromeosInfoPrivateGetFunction() {
}
bool ChromeosInfoPrivateGetFunction::RunAsync() {
base::ListValue* list = NULL;
EXTENSION_FUNCTION_VALIDATE(args_->GetList(0, &list));
scoped_ptr<base::DictionaryValue> result(new base::DictionaryValue());
for (size_t i = 0; i < list->GetSize(); ++i) {
std::string property_name;
EXTENSION_FUNCTION_VALIDATE(list->GetString(i, &property_name));
base::Value* value = GetValue(property_name);
if (value)
result->Set(property_name, value);
}
SetResult(result.release());
SendResponse(true);
return true;
}
base::Value* ChromeosInfoPrivateGetFunction::GetValue(
const std::string& property_name) {
if (property_name == kPropertyHWID) {
std::string hwid;
chromeos::system::StatisticsProvider* provider =
chromeos::system::StatisticsProvider::GetInstance();
provider->GetMachineStatistic(chromeos::system::kHardwareClassKey, &hwid);
return new base::StringValue(hwid);
} else if (property_name == kPropertyCustomizationID) {
std::string customization_id;
chromeos::system::StatisticsProvider* provider =
chromeos::system::StatisticsProvider::GetInstance();
provider->GetMachineStatistic(chromeos::system::kCustomizationIdKey,
&customization_id);
return new base::StringValue(customization_id);
} else if (property_name == kPropertyHomeProvider) {
const chromeos::DeviceState* cellular_device =
NetworkHandler::Get()->network_state_handler()->GetDeviceStateByType(
chromeos::NetworkTypePattern::Cellular());
std::string home_provider_id;
if (cellular_device)
home_provider_id = cellular_device->home_provider_id();
return new base::StringValue(home_provider_id);
} else if (property_name == kPropertyInitialLocale) {
return new base::StringValue(
chromeos::StartupUtils::GetInitialLocale());
} else if (property_name == kPropertyBoard) {
return new base::StringValue(base::SysInfo::GetLsbReleaseBoard());
} else if (property_name == kPropertyOwner) {
return new base::FundamentalValue(
user_manager::UserManager::Get()->IsCurrentUserOwner());
} else if (property_name == kPropertyClientId) {
return new base::StringValue(GetClientId());
} else if (property_name == kPropertyTimezone) {
return chromeos::CrosSettings::Get()->GetPref(
chromeos::kSystemTimezone)->DeepCopy();
} else if (property_name == kPropertySupportedTimezones) {
scoped_ptr<base::ListValue> values = chromeos::system::GetTimezoneList();
return values.release();
} else {
const char* pref_name =
GetBoolPrefNameForApiProperty(property_name.c_str());
if (pref_name) {
return new base::FundamentalValue(
Profile::FromBrowserContext(context_)->GetPrefs()->GetBoolean(
pref_name));
}
}
DLOG(ERROR) << "Unknown property request: " << property_name;
return NULL;
}
ChromeosInfoPrivateSetFunction::ChromeosInfoPrivateSetFunction() {
}
ChromeosInfoPrivateSetFunction::~ChromeosInfoPrivateSetFunction() {
}
bool ChromeosInfoPrivateSetFunction::RunSync() {
std::string param_name;
EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, ¶m_name));
if (param_name == kPropertyTimezone) {
std::string param_value;
EXTENSION_FUNCTION_VALIDATE(args_->GetString(1, ¶m_value));
chromeos::CrosSettings::Get()->Set(chromeos::kSystemTimezone,
base::StringValue(param_value));
} else {
const char* pref_name = GetBoolPrefNameForApiProperty(param_name.c_str());
if (pref_name) {
bool param_value;
EXTENSION_FUNCTION_VALIDATE(args_->GetBoolean(1, ¶m_value));
Profile::FromBrowserContext(context_)->GetPrefs()->SetBoolean(
pref_name,
param_value);
} else {
error_ = ErrorUtils::FormatErrorMessage(kPropertyNotFound, param_name);
return false;
}
}
return true;
}
} // namespace extensions
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