| // Copyright 2018 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/dbus/chrome_features_service_provider.h" |
| |
| #include <algorithm> |
| #include <iterator> |
| #include <memory> |
| #include <utility> |
| |
| #include "base/bind.h" |
| #include "base/feature_list.h" |
| #include "chrome/browser/browser_process.h" |
| #include "chrome/browser/chromeos/crostini/crostini_util.h" |
| #include "chrome/browser/chromeos/profiles/profile_helper.h" |
| #include "chrome/browser/profiles/profile_manager.h" |
| #include "chrome/common/chrome_features.h" |
| #include "dbus/bus.h" |
| #include "dbus/message.h" |
| #include "third_party/cros_system_api/dbus/service_constants.h" |
| |
| namespace { |
| |
| void SendResponse(dbus::MethodCall* method_call, |
| dbus::ExportedObject::ResponseSender response_sender, |
| bool answer) { |
| std::unique_ptr<dbus::Response> response = |
| dbus::Response::FromMethodCall(method_call); |
| dbus::MessageWriter writer(response.get()); |
| writer.AppendBool(answer); |
| response_sender.Run(std::move(response)); |
| } |
| |
| Profile* GetSenderProfile( |
| dbus::MethodCall* method_call, |
| dbus::ExportedObject::ResponseSender response_sender) { |
| dbus::MessageReader reader(method_call); |
| std::string user_id_hash; |
| |
| if (!reader.PopString(&user_id_hash)) { |
| LOG(ERROR) << "Failed to pop user_id_hash from incoming message."; |
| response_sender.Run(dbus::ErrorResponse::FromMethodCall( |
| method_call, DBUS_ERROR_INVALID_ARGS, "No user_id_hash string arg")); |
| return nullptr; |
| } |
| |
| if (user_id_hash.empty()) |
| return ProfileManager::GetActiveUserProfile(); |
| |
| return g_browser_process->profile_manager()->GetProfileByPath( |
| chromeos::ProfileHelper::GetProfilePathByUserIdHash(user_id_hash)); |
| } |
| } // namespace |
| |
| namespace chromeos { |
| |
| ChromeFeaturesServiceProvider::ChromeFeaturesServiceProvider() |
| : weak_ptr_factory_(this) {} |
| |
| ChromeFeaturesServiceProvider::~ChromeFeaturesServiceProvider() = default; |
| |
| void ChromeFeaturesServiceProvider::Start( |
| scoped_refptr<dbus::ExportedObject> exported_object) { |
| exported_object->ExportMethod( |
| kChromeFeaturesServiceInterface, |
| kChromeFeaturesServiceIsFeatureEnabledMethod, |
| base::BindRepeating(&ChromeFeaturesServiceProvider::IsFeatureEnabled, |
| weak_ptr_factory_.GetWeakPtr()), |
| base::BindRepeating(&ChromeFeaturesServiceProvider::OnExported, |
| weak_ptr_factory_.GetWeakPtr())); |
| exported_object->ExportMethod( |
| kChromeFeaturesServiceInterface, |
| kChromeFeaturesServiceIsCrostiniEnabledMethod, |
| base::BindRepeating(&ChromeFeaturesServiceProvider::IsCrostiniEnabled, |
| weak_ptr_factory_.GetWeakPtr()), |
| base::BindRepeating(&ChromeFeaturesServiceProvider::OnExported, |
| weak_ptr_factory_.GetWeakPtr())); |
| exported_object->ExportMethod( |
| kChromeFeaturesServiceInterface, |
| kChromeFeaturesServiceIsPluginVmEnabledMethod, |
| base::BindRepeating(&ChromeFeaturesServiceProvider::IsPluginVmEnabled, |
| weak_ptr_factory_.GetWeakPtr()), |
| base::BindRepeating(&ChromeFeaturesServiceProvider::OnExported, |
| weak_ptr_factory_.GetWeakPtr())); |
| exported_object->ExportMethod( |
| kChromeFeaturesServiceInterface, |
| kChromeFeaturesServiceIsUsbguardEnabledMethod, |
| base::BindRepeating(&ChromeFeaturesServiceProvider::IsUsbguardEnabled, |
| weak_ptr_factory_.GetWeakPtr()), |
| base::BindRepeating(&ChromeFeaturesServiceProvider::OnExported, |
| weak_ptr_factory_.GetWeakPtr())); |
| } |
| |
| void ChromeFeaturesServiceProvider::OnExported( |
| const std::string& interface_name, |
| const std::string& method_name, |
| bool success) { |
| if (!success) { |
| LOG(ERROR) << "Failed to export " << interface_name << "." << method_name; |
| } |
| } |
| |
| void ChromeFeaturesServiceProvider::IsFeatureEnabled( |
| dbus::MethodCall* method_call, |
| dbus::ExportedObject::ResponseSender response_sender) { |
| static const base::Feature constexpr* kFeatureLookup[] = { |
| &features::kUsbbouncer, &features::kUsbguard}; |
| |
| dbus::MessageReader reader(method_call); |
| std::string feature_name; |
| if (!reader.PopString(&feature_name)) { |
| LOG(ERROR) << "Failed to pop feature_name from incoming message."; |
| response_sender.Run(dbus::ErrorResponse::FromMethodCall( |
| method_call, DBUS_ERROR_INVALID_ARGS, |
| "Missing or invalid feature_name string arg.")); |
| return; |
| } |
| |
| auto* const* it = |
| std::find_if(std::begin(kFeatureLookup), std::end(kFeatureLookup), |
| [&feature_name](const base::Feature* feature) -> bool { |
| return feature_name == feature->name; |
| }); |
| if (it == std::end(kFeatureLookup)) { |
| LOG(ERROR) << "Unexpected feature name."; |
| response_sender.Run(dbus::ErrorResponse::FromMethodCall( |
| method_call, DBUS_ERROR_INVALID_ARGS, "Unexpected feature name.")); |
| return; |
| } |
| |
| SendResponse(method_call, response_sender, |
| base::FeatureList::IsEnabled(**it)); |
| } |
| |
| void ChromeFeaturesServiceProvider::IsCrostiniEnabled( |
| dbus::MethodCall* method_call, |
| dbus::ExportedObject::ResponseSender response_sender) { |
| Profile* profile = GetSenderProfile(method_call, response_sender); |
| SendResponse( |
| method_call, response_sender, |
| profile ? crostini::IsCrostiniAllowedForProfile(profile) : false); |
| } |
| |
| void ChromeFeaturesServiceProvider::IsPluginVmEnabled( |
| dbus::MethodCall* method_call, |
| dbus::ExportedObject::ResponseSender response_sender) { |
| // TODO(dtor): extend the check to include device capabilities |
| // and device/user policies. |
| SendResponse(method_call, response_sender, |
| base::FeatureList::IsEnabled(features::kPluginVm)); |
| } |
| |
| void ChromeFeaturesServiceProvider::IsUsbguardEnabled( |
| dbus::MethodCall* method_call, |
| dbus::ExportedObject::ResponseSender response_sender) { |
| SendResponse(method_call, response_sender, |
| base::FeatureList::IsEnabled(features::kUsbguard)); |
| } |
| |
| } // namespace chromeos |