| // Copyright 2022 The ChromiumOS Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "faced/face_auth_service.h" |
| |
| #include <memory> |
| #include <utility> |
| |
| #include <absl/status/status.h> |
| #include <base/functional/bind.h> |
| #include <base/logging.h> |
| #include <chromeos/dbus/service_constants.h> |
| #include <mojo/public/cpp/system/invitation.h> |
| |
| #include "faced/mojom/faceauth.mojom.h" |
| |
| namespace faced { |
| |
| FaceAuthService::FaceAuthService() : ipc_thread_("FaceAuthIPC") {} |
| |
| absl::StatusOr<std::unique_ptr<FaceAuthService>> FaceAuthService::Create() { |
| // Create the result FaceAuthService object. |
| // |
| // Using `new` to access private constructor of `FaceAuthService`. |
| std::unique_ptr<FaceAuthService> result(new FaceAuthService()); |
| |
| if (!result->ipc_thread_.StartWithOptions( |
| base::Thread::Options(base::MessagePumpType::IO, 0))) { |
| return absl::InternalError("Failed to start IPC thread."); |
| } |
| |
| result->ipc_support_ = std::make_unique<mojo::core::ScopedIPCSupport>( |
| result->ipc_thread_.task_runner(), |
| mojo::core::ScopedIPCSupport::ShutdownPolicy::FAST); |
| |
| result->mojo_task_runner_ = result->ipc_thread_.task_runner(); |
| |
| return result; |
| } |
| |
| void FaceAuthService::ReceiveMojoInvitation( |
| base::ScopedFD fd, |
| ReceiveOnIpcThreadCallback callback, |
| scoped_refptr<base::TaskRunner> callback_runner) { |
| mojo::IncomingInvitation invitation = mojo::IncomingInvitation::Accept( |
| mojo::PlatformChannelEndpoint(mojo::PlatformHandle(std::move(fd)))); |
| |
| mojo_task_runner_->PostTask( |
| FROM_HERE, base::BindOnce(&FaceAuthService::SetupMojoPipeOnThread, |
| base::Unretained(this), std::move(invitation), |
| std::move(callback), callback_runner)); |
| } |
| |
| void FaceAuthService::SetupMojoPipeOnThread( |
| mojo::IncomingInvitation invitation, |
| ReceiveOnIpcThreadCallback callback, |
| scoped_refptr<base::TaskRunner> callback_runner) { |
| DCHECK(mojo_task_runner_->BelongsToCurrentThread()); |
| |
| mojo::ScopedMessagePipeHandle mojo_pipe_handle = |
| invitation.ExtractMessagePipe(kBootstrapMojoConnectionChannelToken); |
| if (!mojo_pipe_handle.is_valid()) { |
| callback_runner->PostTask( |
| FROM_HERE, base::BindOnce(std::move(callback), /*success=*/false)); |
| return; |
| } |
| |
| if (!face_service_manager_) { |
| face_service_manager_ = FaceServiceManager::Create(); |
| } |
| |
| if (!service_) { |
| service_ = std::make_unique<FaceAuthServiceImpl>( |
| mojo::PendingReceiver< |
| chromeos::faceauth::mojom::FaceAuthenticationService>( |
| std::move(mojo_pipe_handle)), |
| base::BindOnce(&FaceAuthService::OnDisconnect, base::Unretained(this)), |
| *face_service_manager_); |
| } else { |
| service_->Clone(mojo::PendingReceiver< |
| chromeos::faceauth::mojom::FaceAuthenticationService>( |
| std::move(mojo_pipe_handle))); |
| } |
| |
| callback_runner->PostTask( |
| FROM_HERE, base::BindOnce(std::move(callback), /*success=*/true)); |
| |
| LOG(INFO) << "Mojo connection bootstrapped."; |
| } |
| |
| void FaceAuthService::OnDisconnect() { |
| LOG(INFO) << "Lost mojo connection to primary broker"; |
| } |
| |
| } // namespace faced |