| // 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 "chromeos/dbus/gnubby_client.h" |
| |
| #include "base/memory/weak_ptr.h" |
| #include "base/observer_list.h" |
| #include "base/timer/timer.h" |
| #include "dbus/bus.h" |
| #include "dbus/message.h" |
| #include "dbus/object_path.h" |
| #include "dbus/object_proxy.h" |
| #include "third_party/cros_system_api/dbus/service_constants.h" |
| |
| namespace chromeos { |
| |
| namespace { |
| |
| class GnubbyClientImpl : public GnubbyClient { |
| public: |
| GnubbyClientImpl() : weak_ptr_factory_(this) {} |
| |
| // GnubbyClient override. |
| void AddObserver(Observer* observer) override { |
| observer_list_.AddObserver(observer); |
| } |
| |
| // GnubbyClient override. |
| void RemoveObserver(Observer* observer) override { |
| observer_list_.RemoveObserver(observer); |
| } |
| |
| void PromptUserAuth(dbus::Signal* signal) { |
| for (auto& observer : observer_list_) |
| observer.PromptUserAuth(); |
| } |
| |
| protected: |
| void Init(dbus::Bus* bus) override { |
| dbus::ObjectProxy* proxy_ = bus->GetObjectProxy( |
| u2f::kU2FServiceName, dbus::ObjectPath(u2f::kU2FServicePath)); |
| |
| proxy_->ConnectToSignal( |
| u2f::kU2FInterface, u2f::kU2FUserNotificationSignal, |
| base::BindRepeating(&GnubbyClientImpl::PromptUserAuth, |
| weak_ptr_factory_.GetWeakPtr()), |
| base::BindOnce(&GnubbyClientImpl::OnSignalConnected, |
| weak_ptr_factory_.GetWeakPtr())); |
| } |
| |
| private: |
| // Handles the result of signal connection setup. |
| void OnSignalConnected(const std::string& interface, |
| const std::string& signal, |
| bool succeeded) { |
| LOG_IF(ERROR, !succeeded) |
| << "Connect to " << interface << " " << signal << " failed."; |
| } |
| |
| base::ObserverList<Observer>::Unchecked observer_list_; |
| |
| base::WeakPtrFactory<GnubbyClientImpl> weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(GnubbyClientImpl); |
| }; |
| |
| } // namespace |
| |
| GnubbyClient::GnubbyClient() = default; |
| |
| GnubbyClient::~GnubbyClient() = default; |
| |
| // static |
| std::unique_ptr<GnubbyClient> GnubbyClient::Create() { |
| return std::make_unique<GnubbyClientImpl>(); |
| } |
| } // namespace chromeos |