| /* |
| * Copyright (C) 2021 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.nearby.provider; |
| |
| import android.accounts.Account; |
| import android.annotation.Nullable; |
| import android.content.Context; |
| import android.nearby.FastPairDataProviderBase; |
| import android.nearby.FastPairDevice; |
| import android.nearby.aidl.FastPairAntispoofkeyDeviceMetadataRequestParcel; |
| import android.nearby.aidl.FastPairEligibleAccountsRequestParcel; |
| import android.nearby.aidl.FastPairManageAccountDeviceRequestParcel; |
| import android.nearby.aidl.FastPairManageAccountRequestParcel; |
| import android.util.Log; |
| |
| import androidx.annotation.WorkerThread; |
| |
| import com.android.server.nearby.common.bloomfilter.BloomFilter; |
| import com.android.server.nearby.fastpair.footprint.FastPairUploadInfo; |
| |
| import java.util.List; |
| |
| import service.proto.Rpcs; |
| |
| /** |
| * FastPairDataProvider is a singleton that implements APIs to get FastPair data. |
| */ |
| public class FastPairDataProvider { |
| |
| private static final String TAG = "FastPairDataProvider"; |
| |
| private static FastPairDataProvider sInstance; |
| |
| private ProxyFastPairDataProvider mProxyFastPairDataProvider; |
| |
| /** |
| * Initializes FastPairDataProvider singleton. |
| */ |
| public static synchronized FastPairDataProvider init(Context context) { |
| |
| if (sInstance == null) { |
| sInstance = new FastPairDataProvider(context); |
| } |
| if (sInstance.mProxyFastPairDataProvider == null) { |
| Log.wtf(TAG, "no proxy fast pair data provider found"); |
| } else { |
| sInstance.mProxyFastPairDataProvider.register(); |
| } |
| return sInstance; |
| } |
| |
| @Nullable |
| public static synchronized FastPairDataProvider getInstance() { |
| return sInstance; |
| } |
| |
| private FastPairDataProvider(Context context) { |
| mProxyFastPairDataProvider = ProxyFastPairDataProvider.create( |
| context, FastPairDataProviderBase.ACTION_FAST_PAIR_DATA_PROVIDER); |
| if (mProxyFastPairDataProvider == null) { |
| Log.d("FastPairService", "fail to initiate the fast pair proxy provider"); |
| } else { |
| Log.d("FastPairService", "the fast pair proxy provider initiated"); |
| } |
| } |
| |
| /** |
| * Loads FastPairAntispoofkeyDeviceMetadata. |
| * |
| * @throws IllegalStateException If ProxyFastPairDataProvider is not available. |
| */ |
| @WorkerThread |
| @Nullable |
| public Rpcs.GetObservedDeviceResponse loadFastPairAntispoofkeyDeviceMetadata(byte[] modelId) { |
| if (mProxyFastPairDataProvider != null) { |
| FastPairAntispoofkeyDeviceMetadataRequestParcel requestParcel = |
| new FastPairAntispoofkeyDeviceMetadataRequestParcel(); |
| requestParcel.modelId = modelId; |
| return Utils.convertFastPairAntispoofkeyDeviceMetadataToGetObservedDeviceResponse( |
| mProxyFastPairDataProvider |
| .loadFastPairAntispoofkeyDeviceMetadata(requestParcel)); |
| } |
| throw new IllegalStateException("No ProxyFastPairDataProvider yet constructed"); |
| } |
| |
| /** |
| * Enrolls an account to Fast Pair. |
| * |
| * @throws IllegalStateException If ProxyFastPairDataProvider is not available. |
| */ |
| public void optIn(Account account) { |
| if (mProxyFastPairDataProvider != null) { |
| FastPairManageAccountRequestParcel requestParcel = |
| new FastPairManageAccountRequestParcel(); |
| requestParcel.account = account; |
| requestParcel.requestType = FastPairDataProviderBase.MANAGE_REQUEST_ADD; |
| mProxyFastPairDataProvider.manageFastPairAccount(requestParcel); |
| } |
| throw new IllegalStateException("No ProxyFastPairDataProvider yet constructed"); |
| } |
| |
| /** |
| * Uploads the device info to Fast Pair account. |
| * |
| * @throws IllegalStateException If ProxyFastPairDataProvider is not available. |
| */ |
| public void upload(Account account, FastPairUploadInfo uploadInfo) { |
| if (mProxyFastPairDataProvider != null) { |
| FastPairManageAccountDeviceRequestParcel requestParcel = |
| new FastPairManageAccountDeviceRequestParcel(); |
| requestParcel.account = account; |
| requestParcel.requestType = FastPairDataProviderBase.MANAGE_REQUEST_ADD; |
| requestParcel.accountKeyDeviceMetadata = |
| Utils.convertFastPairUploadInfoToFastPairAccountKeyDeviceMetadata( |
| uploadInfo); |
| mProxyFastPairDataProvider.manageFastPairAccountDevice(requestParcel); |
| } |
| throw new IllegalStateException("No ProxyFastPairDataProvider yet constructed"); |
| } |
| |
| /** |
| * Get recognized device from bloom filter. |
| */ |
| public FastPairDevice getRecognizedDevice(BloomFilter bloomFilter, byte[] salt) { |
| return new FastPairDevice.Builder().build(); |
| } |
| |
| /** |
| * Get FastPair Eligible Accounts. |
| * |
| * @throws IllegalStateException If ProxyFastPairDataProvider is not available. |
| */ |
| public List<Account> loadFastPairEligibleAccounts() { |
| if (mProxyFastPairDataProvider != null) { |
| FastPairEligibleAccountsRequestParcel requestParcel = |
| new FastPairEligibleAccountsRequestParcel(); |
| return Utils.convertFastPairEligibleAccountsToAccountList( |
| mProxyFastPairDataProvider.loadFastPairEligibleAccounts(requestParcel)); |
| } |
| throw new IllegalStateException("No ProxyFastPairDataProvider yet constructed"); |
| } |
| } |