mirror of
https://github.com/kidfromjupiter/nearby.git
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95 lines
3.5 KiB
C++
95 lines
3.5 KiB
C++
// Copyright 2023 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef THIRD_PARTY_NEARBY_PRESENCE_PRESENCE_DEVICE_PROVIDER_H_
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#define THIRD_PARTY_NEARBY_PRESENCE_PRESENCE_DEVICE_PROVIDER_H_
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#include <memory>
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#include <string>
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#include "absl/strings/string_view.h"
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#include "internal/interop/authentication_status.h"
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#include "internal/interop/authentication_transport.h"
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#include "internal/interop/device.h"
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#include "internal/interop/device_provider.h"
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#include "internal/platform/future.h"
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#include "internal/proto/local_credential.pb.h"
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#include "internal/proto/metadata.pb.h"
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#include "presence/implementation/connection_authenticator.h"
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#include "presence/presence_device.h"
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namespace nearby {
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namespace presence {
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class ServiceController;
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class PresenceDeviceProvider : public NearbyDeviceProvider {
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public:
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PresenceDeviceProvider(
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ServiceController* service_controller,
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const ConnectionAuthenticator* connection_authenticator);
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const NearbyDevice* GetLocalDevice() override { return &device_; }
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// To authenticate as an initiator (when the device is in the scanning role),
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// the PresenceDeviceProvider will block and:
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// 1. Fetch the local credentials and select the correct one to use for
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// authentication.
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// 2. Construct the frame and write to the |authentication_transport|.
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// 3. Read the message from the remote device via |authentication_transport|.
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// 4. Return the status of the authentication to the callers.
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AuthenticationStatus AuthenticateAsInitiator(
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const NearbyDevice& remote_device, absl::string_view shared_secret,
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const AuthenticationTransport& authentication_transport) const override;
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AuthenticationStatus AuthenticateAsResponder(
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absl::string_view shared_secret,
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const AuthenticationTransport& authentication_transport) const override {
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// TODO(b/282027237): Implement.
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return AuthenticationStatus::kUnknown;
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}
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void UpdateDeviceIdentityMetaData(
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const ::nearby::internal::DeviceIdentityMetaData&
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device_identity_metadata) {
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device_.SetDeviceIdentityMetaData(device_identity_metadata);
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}
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void SetManagerAppId(absl::string_view manager_app_id) {
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manager_app_id_ = manager_app_id;
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}
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std::string GetManagerAppId() { return manager_app_id_; }
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private:
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bool WriteToRemoteDevice(
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const NearbyDevice& remote_device, absl::string_view shared_secret,
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const AuthenticationTransport& authentication_transport,
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const internal::LocalCredential& local_credential,
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Future<AuthenticationStatus>& response) const;
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bool ReadAndVerifyRemoteDeviceData(
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const NearbyDevice& remote_device, absl::string_view shared_secret,
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const AuthenticationTransport& authentication_transport) const;
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ServiceController& service_controller_;
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PresenceDevice device_;
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std::string manager_app_id_;
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const ConnectionAuthenticator& connection_authenticator_;
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};
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} // namespace presence
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} // namespace nearby
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#endif // THIRD_PARTY_NEARBY_PRESENCE_PRESENCE_DEVICE_PROVIDER_H_
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