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// Copyright 2019 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 "content/utility/services.h"
#include <utility>
#include "base/no_destructor.h"
#include "base/threading/thread_task_runner_handle.h"
#include "build/build_config.h"
#include "components/services/storage/public/mojom/storage_service.mojom.h"
#include "components/services/storage/storage_service_impl.h"
#include "content/child/child_process.h"
#include "content/public/utility/content_utility_client.h"
#include "content/public/utility/utility_thread.h"
#include "device/vr/buildflags/buildflags.h"
#include "media/media_buildflags.h"
#include "mojo/public/cpp/bindings/self_owned_receiver.h"
#include "mojo/public/cpp/bindings/service_factory.h"
#include "services/audio/service_factory.h"
#include "services/data_decoder/data_decoder_service.h"
#include "services/network/network_service.h"
#include "services/service_manager/public/cpp/binder_registry.h"
#include "services/tracing/public/mojom/tracing_service.mojom.h"
#include "services/tracing/tracing_service.h"
#include "services/video_capture/public/mojom/video_capture_service.mojom.h"
#include "services/video_capture/video_capture_service_impl.h"
#if defined(OS_MACOSX)
#include "base/mac/mach_logging.h"
#include "sandbox/mac/system_services.h"
#include "services/service_manager/sandbox/features.h"
#include "services/service_manager/sandbox/sandbox_type.h"
#endif
#if BUILDFLAG(ENABLE_LIBRARY_CDMS)
#include "media/cdm/cdm_adapter_factory.h" // nogncheck
#include "media/mojo/services/cdm_service.h" // nogncheck
#include "media/mojo/services/mojo_cdm_helper.h" // nogncheck
#include "media/mojo/services/mojo_media_client.h" // nogncheck
#if BUILDFLAG(ENABLE_CDM_HOST_VERIFICATION)
#include "media/cdm/cdm_host_file.h"
#endif // BUILDFLAG(ENABLE_CDM_HOST_VERIFICATION)
#if BUILDFLAG(ENABLE_VR) && !defined(OS_ANDROID)
#include "content/services/isolated_xr_device/xr_device_service.h" // nogncheck
#include "device/vr/public/mojom/isolated_xr_service.mojom.h" // nogncheck
#endif
#if defined(OS_WIN)
#include "base/win/scoped_com_initializer.h"
#include "sandbox/win/src/sandbox.h"
extern sandbox::TargetServices* g_utility_target_services;
#endif // defined(OS_WIN)
#endif // BUILDFLAG(ENABLE_LIBRARY_CDMS)
namespace content {
namespace {
#if BUILDFLAG(ENABLE_LIBRARY_CDMS)
std::unique_ptr<media::CdmAuxiliaryHelper> CreateCdmHelper(
media::mojom::FrameInterfaceFactory* interface_provider) {
return std::make_unique<media::MojoCdmHelper>(interface_provider);
}
class ContentCdmServiceClient final : public media::CdmService::Client {
public:
ContentCdmServiceClient() = default;
~ContentCdmServiceClient() override = default;
void EnsureSandboxed() override {
#if defined(OS_WIN)
// |g_utility_target_services| can be null if --no-sandbox is specified.
if (g_utility_target_services)
g_utility_target_services->LowerToken();
#endif
}
std::unique_ptr<media::CdmFactory> CreateCdmFactory(
media::mojom::FrameInterfaceFactory* frame_interfaces) override {
return std::make_unique<media::CdmAdapterFactory>(
base::BindRepeating(&CreateCdmHelper, frame_interfaces));
}
#if BUILDFLAG(ENABLE_CDM_HOST_VERIFICATION)
void AddCdmHostFilePaths(
std::vector<media::CdmHostFilePath>* cdm_host_file_paths) override {
GetContentClient()->AddContentDecryptionModules(nullptr,
cdm_host_file_paths);
}
#endif // BUILDFLAG(ENABLE_CDM_HOST_VERIFICATION)
};
#endif // BUILDFLAG(ENABLE_LIBRARY_CDMS)
class UtilityThreadVideoCaptureServiceImpl final
: public video_capture::VideoCaptureServiceImpl {
public:
explicit UtilityThreadVideoCaptureServiceImpl(
mojo::PendingReceiver<video_capture::mojom::VideoCaptureService> receiver,
scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner)
: VideoCaptureServiceImpl(std::move(receiver),
std::move(ui_task_runner)) {}
private:
#if defined(OS_WIN)
base::win::ScopedCOMInitializer com_initializer_{
base::win::ScopedCOMInitializer::kMTA};
#endif
};
auto RunNetworkService(
mojo::PendingReceiver<network::mojom::NetworkService> receiver) {
auto binders = std::make_unique<service_manager::BinderRegistry>();
GetContentClient()->utility()->RegisterNetworkBinders(binders.get());
return std::make_unique<network::NetworkService>(
std::move(binders), std::move(receiver),
/*delay_initialization_until_set_client=*/true);
}
auto RunAudio(mojo::PendingReceiver<audio::mojom::AudioService> receiver) {
#if defined(OS_MACOSX)
// Don't connect to launch services when running sandboxed
// (https://crbug.com/874785).
if (service_manager::IsAudioSandboxEnabled()) {
sandbox::DisableLaunchServices();
}
// Set the audio process to run with similar scheduling parameters as the
// browser process.
task_category_policy category;
category.role = TASK_FOREGROUND_APPLICATION;
kern_return_t result = task_policy_set(
mach_task_self(), TASK_CATEGORY_POLICY,
reinterpret_cast<task_policy_t>(&category), TASK_CATEGORY_POLICY_COUNT);
MACH_LOG_IF(ERROR, result != KERN_SUCCESS, result)
<< "task_policy_set TASK_CATEGORY_POLICY";
task_qos_policy qos;
qos.task_latency_qos_tier = LATENCY_QOS_TIER_0;
qos.task_throughput_qos_tier = THROUGHPUT_QOS_TIER_0;
result = task_policy_set(mach_task_self(), TASK_BASE_QOS_POLICY,
reinterpret_cast<task_policy_t>(&qos),
TASK_QOS_POLICY_COUNT);
MACH_LOG_IF(ERROR, result != KERN_SUCCESS, result)
<< "task_policy_set TASK_QOS_POLICY";
#endif
return audio::CreateStandaloneService(std::move(receiver));
}
#if BUILDFLAG(ENABLE_LIBRARY_CDMS)
auto RunCdmService(mojo::PendingReceiver<media::mojom::CdmService> receiver) {
return std::make_unique<media::CdmService>(
std::make_unique<ContentCdmServiceClient>(), std::move(receiver));
}
#endif
auto RunDataDecoder(
mojo::PendingReceiver<data_decoder::mojom::DataDecoderService> receiver) {
UtilityThread::Get()->EnsureBlinkInitialized();
return std::make_unique<data_decoder::DataDecoderService>(
std::move(receiver));
}
auto RunStorageService(
mojo::PendingReceiver<storage::mojom::StorageService> receiver) {
return std::make_unique<storage::StorageServiceImpl>(
std::move(receiver), ChildProcess::current()->io_task_runner());
}
auto RunTracing(
mojo::PendingReceiver<tracing::mojom::TracingService> receiver) {
return std::make_unique<tracing::TracingService>(std::move(receiver));
}
auto RunVideoCapture(
mojo::PendingReceiver<video_capture::mojom::VideoCaptureService> receiver) {
return std::make_unique<UtilityThreadVideoCaptureServiceImpl>(
std::move(receiver), base::ThreadTaskRunnerHandle::Get());
}
#if BUILDFLAG(ENABLE_VR) && !defined(OS_ANDROID)
auto RunXrDeviceService(
mojo::PendingReceiver<device::mojom::XRDeviceService> receiver) {
return std::make_unique<device::XrDeviceService>(std::move(receiver));
}
#endif
mojo::ServiceFactory& GetIOThreadServiceFactory() {
static base::NoDestructor<mojo::ServiceFactory> factory{
// The network service runs on the IO thread because it needs a message
// loop of type IO that can get notified when pipes have data.
RunNetworkService,
};
return *factory;
}
mojo::ServiceFactory& GetMainThreadServiceFactory() {
// clang-format off
static base::NoDestructor<mojo::ServiceFactory> factory{
RunAudio,
#if BUILDFLAG(ENABLE_LIBRARY_CDMS)
RunCdmService,
#endif
RunDataDecoder,
RunStorageService,
RunTracing,
RunVideoCapture,
#if BUILDFLAG(ENABLE_VR) && !defined(OS_ANDROID)
RunXrDeviceService,
#endif
};
// clang-format on
return *factory;
}
} // namespace
void HandleServiceRequestOnIOThread(
mojo::GenericPendingReceiver receiver,
base::SequencedTaskRunner* main_thread_task_runner) {
if (GetIOThreadServiceFactory().MaybeRunService(&receiver))
return;
// If the request was handled already, we should not reach this point.
DCHECK(receiver.is_valid());
auto* embedder_factory =
GetContentClient()->utility()->GetIOThreadServiceFactory();
if (embedder_factory && embedder_factory->MaybeRunService(&receiver))
return;
DCHECK(receiver.is_valid());
main_thread_task_runner->PostTask(
FROM_HERE,
base::BindOnce(&HandleServiceRequestOnMainThread, std::move(receiver)));
}
void HandleServiceRequestOnMainThread(mojo::GenericPendingReceiver receiver) {
if (GetMainThreadServiceFactory().MaybeRunService(&receiver))
return;
// If the request was handled already, we should not reach this point.
DCHECK(receiver.is_valid());
auto* embedder_factory =
GetContentClient()->utility()->GetMainThreadServiceFactory();
if (embedder_factory && embedder_factory->MaybeRunService(&receiver))
return;
DCHECK(receiver.is_valid());
DLOG(ERROR) << "Unhandled out-of-process service request for "
<< receiver.interface_name().value();
}
} // namespace content
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