mirror of https://github.com/YTVanced/VancedMicroG
468 lines
19 KiB
Java
468 lines
19 KiB
Java
/*
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* Copyright 2013-2015 microG Project Team
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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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* http://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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*/
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package org.microg.gms.gcm;
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import android.app.AlarmManager;
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import android.app.PendingIntent;
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import android.app.Service;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.content.pm.PackageManager;
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import android.content.pm.ResolveInfo;
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import android.os.Build;
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import android.os.Handler;
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import android.os.IBinder;
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import android.os.Looper;
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import android.os.PowerManager;
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import android.os.SystemClock;
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import android.preference.PreferenceManager;
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import android.support.v4.content.WakefulBroadcastReceiver;
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import android.util.Log;
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import com.squareup.wire.Message;
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import org.microg.gms.checkin.LastCheckinInfo;
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import org.microg.gms.gcm.mcs.AppData;
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import org.microg.gms.gcm.mcs.Close;
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import org.microg.gms.gcm.mcs.DataMessageStanza;
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import org.microg.gms.gcm.mcs.HeartbeatAck;
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import org.microg.gms.gcm.mcs.HeartbeatPing;
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import org.microg.gms.gcm.mcs.LoginRequest;
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import org.microg.gms.gcm.mcs.LoginResponse;
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import org.microg.gms.gcm.mcs.Setting;
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import java.net.Socket;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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import javax.net.ssl.SSLContext;
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import static android.os.Build.VERSION.SDK_INT;
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import static org.microg.gms.gcm.GcmConstants.ACTION_C2DM_RECEIVE;
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import static org.microg.gms.gcm.GcmConstants.EXTRA_FROM;
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import static org.microg.gms.gcm.GcmConstants.EXTRA_MESSAGE_TYPE;
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import static org.microg.gms.gcm.GcmConstants.MESSAGE_TYPE_GCM;
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import static org.microg.gms.gcm.McsConstants.ACTION_CONNECT;
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import static org.microg.gms.gcm.McsConstants.ACTION_HEARTBEAT;
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import static org.microg.gms.gcm.McsConstants.ACTION_RECONNECT;
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import static org.microg.gms.gcm.McsConstants.EXTRA_REASON;
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import static org.microg.gms.gcm.McsConstants.MCS_CLOSE_TAG;
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import static org.microg.gms.gcm.McsConstants.MCS_DATA_MESSAGE_STANZA_TAG;
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import static org.microg.gms.gcm.McsConstants.MCS_HEARTBEAT_ACK_TAG;
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import static org.microg.gms.gcm.McsConstants.MCS_HEARTBEAT_PING_TAG;
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import static org.microg.gms.gcm.McsConstants.MCS_LOGIN_REQUEST_TAG;
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import static org.microg.gms.gcm.McsConstants.MCS_LOGIN_RESPONSE_TAG;
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import static org.microg.gms.gcm.McsConstants.MSG_CONNECT;
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import static org.microg.gms.gcm.McsConstants.MSG_HEARTBEAT;
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import static org.microg.gms.gcm.McsConstants.MSG_INPUT;
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import static org.microg.gms.gcm.McsConstants.MSG_INPUT_ERROR;
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import static org.microg.gms.gcm.McsConstants.MSG_OUTPUT;
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import static org.microg.gms.gcm.McsConstants.MSG_OUTPUT_DONE;
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import static org.microg.gms.gcm.McsConstants.MSG_OUTPUT_ERROR;
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import static org.microg.gms.gcm.McsConstants.MSG_OUTPUT_READY;
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import static org.microg.gms.gcm.McsConstants.MSG_TEARDOWN;
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public class McsService extends Service implements Handler.Callback {
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private static final String TAG = "GmsGcmMcsSvc";
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public static final String PREFERENCES_NAME = "mcs";
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public static final String PREF_LAST_PERSISTENT_ID = "last_persistent_id";
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public static final String SELF_CATEGORY = "com.google.android.gsf.gtalkservice";
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public static final String IDLE_NOTIFICATION = "IdleNotification";
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public static final String FROM_FIELD = "gcm@android.com";
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public static final String SERVICE_HOST = "mtalk.google.com";
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public static final int SERVICE_PORT = 5228;
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private static final String PREF_GCM_HEARTBEAT = "gcm_heartbeat_interval";
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private static final int WAKELOCK_TIMEOUT = 5000;
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public static int heartbeatMs = 120000;
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private static long lastHeartbeatAckElapsedRealtime = -1;
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private static Socket sslSocket;
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private static McsInputStream inputStream;
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private static McsOutputStream outputStream;
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private PendingIntent heartbeatIntent;
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private static HandlerThread handlerThread;
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private static Handler rootHandler;
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private AlarmManager alarmManager;
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private PowerManager powerManager;
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private static PowerManager.WakeLock wakeLock;
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private static long currentDelay = 0;
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private Intent connectIntent;
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private class HandlerThread extends Thread {
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@Override
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public void run() {
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Looper.prepare();
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wakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "mcs");
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wakeLock.setReferenceCounted(false);
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synchronized (McsService.class) {
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rootHandler = new Handler(Looper.myLooper(), McsService.this);
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if (connectIntent != null) {
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rootHandler.sendMessage(rootHandler.obtainMessage(MSG_CONNECT, connectIntent));
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WakefulBroadcastReceiver.completeWakefulIntent(connectIntent);
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}
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}
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Looper.loop();
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}
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}
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@Override
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public void onCreate() {
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super.onCreate();
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updateHeartbeatMs();
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heartbeatIntent = PendingIntent.getService(this, 0, new Intent(ACTION_HEARTBEAT, null, this, McsService.class), 0);
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alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
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powerManager = (PowerManager) getSystemService(POWER_SERVICE);
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synchronized (McsService.class) {
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if (handlerThread == null) {
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handlerThread = new HandlerThread();
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handlerThread.start();
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}
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}
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}
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private void updateHeartbeatMs() {
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heartbeatMs = Integer.parseInt(PreferenceManager.getDefaultSharedPreferences(this).getString(PREF_GCM_HEARTBEAT, "60")) * 1000;
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}
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@Override
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public IBinder onBind(Intent intent) {
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return null;
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}
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public synchronized static boolean isConnected() {
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return inputStream != null && inputStream.isAlive() && outputStream != null && outputStream.isAlive()
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// consider connection to be dead if we did not receive an ack within twice the heartbeat interval
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&& SystemClock.elapsedRealtime() - lastHeartbeatAckElapsedRealtime < 2 * heartbeatMs;
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}
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public static void scheduleReconnect(Context context) {
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AlarmManager alarmManager = (AlarmManager) context.getSystemService(ALARM_SERVICE);
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long delay = getCurrentDelay();
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Log.d(TAG, "Scheduling reconnect in " + delay / 1000 + " seconds...");
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alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, SystemClock.elapsedRealtime() + delay,
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PendingIntent.getBroadcast(context, 1, new Intent(ACTION_RECONNECT, null, context, TriggerReceiver.class), 0));
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}
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public void scheduleHeartbeat(Context context) {
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AlarmManager alarmManager = (AlarmManager) context.getSystemService(ALARM_SERVICE);
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Log.d(TAG, "Scheduling heartbeat in " + heartbeatMs / 1000 + " seconds...");
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if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
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alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, SystemClock.elapsedRealtime() + heartbeatMs, heartbeatIntent);
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} else {
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// with KitKat, the alarms become inexact by default, but with the newly available setWindow we can get inexact alarms with guarantees.
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// Schedule the alarm to fire within the interval [heartbeatMs/2, heartbeatMs]
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alarmManager.setWindow(AlarmManager.ELAPSED_REALTIME_WAKEUP, SystemClock.elapsedRealtime() + heartbeatMs / 2, heartbeatMs / 2,
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heartbeatIntent);
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}
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}
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public synchronized static long getCurrentDelay() {
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long delay = currentDelay == 0 ? 5000 : currentDelay;
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if (currentDelay < 60000) currentDelay += 10000;
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if (currentDelay >= 60000 && currentDelay < 600000) currentDelay += 60000;
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return delay;
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}
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public synchronized static void resetCurrentDelay() {
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currentDelay = 0;
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}
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@Override
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public int onStartCommand(Intent intent, int flags, int startId) {
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updateHeartbeatMs();
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synchronized (McsService.class) {
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if (rootHandler != null) {
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if (intent == null) return START_REDELIVER_INTENT;
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wakeLock.acquire(WAKELOCK_TIMEOUT);
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Object reason = intent.hasExtra(EXTRA_REASON) ? intent.getExtras().get(EXTRA_REASON) : intent;
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if (ACTION_CONNECT.equals(intent.getAction())) {
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rootHandler.sendMessage(rootHandler.obtainMessage(MSG_CONNECT, reason));
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} else if (ACTION_HEARTBEAT.equals(intent.getAction())) {
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rootHandler.sendMessage(rootHandler.obtainMessage(MSG_HEARTBEAT, reason));
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}
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WakefulBroadcastReceiver.completeWakefulIntent(intent);
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} else if (connectIntent == null) {
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connectIntent = intent;
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} else {
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WakefulBroadcastReceiver.completeWakefulIntent(intent);
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}
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}
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return START_REDELIVER_INTENT;
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}
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private synchronized void connect() {
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try {
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Log.d(TAG, "Starting MCS connection...");
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Socket socket = new Socket(SERVICE_HOST, SERVICE_PORT);
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Log.d(TAG, "Connected to " + SERVICE_HOST + ":" + SERVICE_PORT);
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sslSocket = SSLContext.getDefault().getSocketFactory().createSocket(socket, SERVICE_HOST, SERVICE_PORT, true);
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Log.d(TAG, "Activated SSL with " + SERVICE_HOST + ":" + SERVICE_PORT);
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inputStream = new McsInputStream(sslSocket.getInputStream(), rootHandler);
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outputStream = new McsOutputStream(sslSocket.getOutputStream(), rootHandler);
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inputStream.start();
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outputStream.start();
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lastHeartbeatAckElapsedRealtime = SystemClock.elapsedRealtime();
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scheduleHeartbeat(this);
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} catch (Exception e) {
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Log.w(TAG, "Exception while connecting!", e);
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rootHandler.sendMessage(rootHandler.obtainMessage(MSG_TEARDOWN, e));
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}
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}
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private void handleClose(Close close) {
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throw new RuntimeException("Server requested close!");
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}
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private void handleLoginResponse(LoginResponse loginResponse) {
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if (loginResponse.error == null) {
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getSharedPreferences().edit().putString(PREF_LAST_PERSISTENT_ID, "").apply();
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Log.d(TAG, "Logged in");
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wakeLock.release();
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} else {
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throw new RuntimeException("Could not login: " + loginResponse.error);
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}
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}
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private void handleCloudMessage(DataMessageStanza message) {
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if (message.persistent_id != null) {
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String old = getSharedPreferences().getString(PREF_LAST_PERSISTENT_ID, "");
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if (!old.isEmpty()) {
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old += "|";
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}
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getSharedPreferences().edit()
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.putString(PREF_LAST_PERSISTENT_ID, old + message.persistent_id).apply();
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}
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if (SELF_CATEGORY.equals(message.category)) {
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handleSelfMessage(message);
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} else {
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handleAppMessage(message);
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}
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}
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private void handleHearbeatPing(HeartbeatPing ping) {
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HeartbeatAck.Builder ack = new HeartbeatAck.Builder().status(ping.status);
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if (inputStream.newStreamIdAvailable()) {
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ack.last_stream_id_received(inputStream.getStreamId());
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}
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send(MCS_HEARTBEAT_ACK_TAG, ack.build());
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}
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private void handleHeartbeatAck(HeartbeatAck ack) {
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lastHeartbeatAckElapsedRealtime = SystemClock.elapsedRealtime();
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wakeLock.release();
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}
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private LoginRequest buildLoginRequest() {
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LastCheckinInfo info = LastCheckinInfo.read(this);
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return new LoginRequest.Builder()
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.adaptive_heartbeat(false)
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.auth_service(LoginRequest.AuthService.ANDROID_ID)
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.auth_token(Long.toString(info.securityToken))
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.id("android-" + SDK_INT)
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.domain("mcs.android.com")
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.device_id("android-" + Long.toHexString(info.androidId))
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.network_type(1)
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.resource(Long.toString(info.androidId))
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.user(Long.toString(info.androidId))
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.use_rmq2(true)
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.setting(Collections.singletonList(new Setting("new_vc", "1")))
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.received_persistent_id(Arrays.asList(getSharedPreferences().getString(PREF_LAST_PERSISTENT_ID, "").split("\\|")))
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.build();
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}
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private void handleAppMessage(DataMessageStanza msg) {
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Intent intent = new Intent();
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intent.setAction(ACTION_C2DM_RECEIVE);
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intent.setPackage(msg.category);
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intent.putExtra(EXTRA_MESSAGE_TYPE, MESSAGE_TYPE_GCM);
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intent.putExtra(EXTRA_FROM, msg.from);
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for (AppData appData : msg.app_data) {
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intent.putExtra(appData.key, appData.value);
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}
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intent.addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES);
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// FIXME: #75
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List<ResolveInfo> infos = getPackageManager().queryBroadcastReceivers(intent, PackageManager.GET_RESOLVED_FILTER);
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for (ResolveInfo resolveInfo : infos) {
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Log.d(TAG, "Target: " + resolveInfo);
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Intent targetIntent = new Intent(intent);
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targetIntent.setComponent(new ComponentName(resolveInfo.activityInfo.packageName, resolveInfo.activityInfo.name));
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sendOrderedBroadcast(targetIntent, msg.category + ".permission.C2D_MESSAGE");
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}
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if (infos.isEmpty())
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Log.d(TAG, "No target for message, wut?");
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}
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private void handleSelfMessage(DataMessageStanza msg) {
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for (AppData appData : msg.app_data) {
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if (IDLE_NOTIFICATION.equals(appData.key)) {
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DataMessageStanza.Builder msgResponse = new DataMessageStanza.Builder()
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.from(FROM_FIELD)
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.sent(System.currentTimeMillis() / 1000)
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.ttl(0)
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.category(SELF_CATEGORY)
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.app_data(Collections.singletonList(new AppData(IDLE_NOTIFICATION, "false")));
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if (inputStream.newStreamIdAvailable()) {
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msgResponse.last_stream_id_received(inputStream.getStreamId());
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}
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send(MCS_DATA_MESSAGE_STANZA_TAG, msgResponse.build());
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}
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}
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}
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private SharedPreferences getSharedPreferences() {
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return getSharedPreferences(PREFERENCES_NAME, Context.MODE_PRIVATE);
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}
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private void send(int type, Message message) {
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rootHandler.sendMessage(rootHandler.obtainMessage(MSG_OUTPUT, type, 0, message));
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}
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private void sendOutputStream(int what, int arg, Object obj) {
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McsOutputStream os = outputStream;
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if (os != null && os.isAlive()) {
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Handler outputHandler = os.getHandler();
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if (outputHandler != null)
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outputHandler.sendMessage(outputHandler.obtainMessage(what, arg, 0, obj));
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}
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}
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@Override
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public boolean handleMessage(android.os.Message msg) {
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switch (msg.what) {
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case MSG_INPUT:
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handleInput(msg.arg1, (Message) msg.obj);
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return true;
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case MSG_OUTPUT:
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sendOutputStream(MSG_OUTPUT, msg.arg1, msg.obj);
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return true;
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case MSG_INPUT_ERROR:
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case MSG_OUTPUT_ERROR:
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Log.d(TAG, "I/O error: " + msg.obj);
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rootHandler.sendMessage(rootHandler.obtainMessage(MSG_TEARDOWN, msg.obj));
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return true;
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case MSG_TEARDOWN:
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Log.d(TAG, "Teardown initiated, reason: " + msg.obj);
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handleTeardown(msg);
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return true;
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case MSG_CONNECT:
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Log.d(TAG, "Connect initiated, reason: " + msg.obj);
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if (!isConnected()) {
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connect();
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}
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return true;
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case MSG_HEARTBEAT:
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Log.d(TAG, "Heartbeat initiated, reason: " + msg.obj);
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if (isConnected()) {
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HeartbeatPing.Builder ping = new HeartbeatPing.Builder();
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if (inputStream.newStreamIdAvailable()) {
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ping.last_stream_id_received(inputStream.getStreamId());
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}
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send(MCS_HEARTBEAT_PING_TAG, ping.build());
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scheduleHeartbeat(this);
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} else {
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Log.d(TAG, "Ignoring heartbeat, not connected!");
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scheduleReconnect(this);
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}
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return true;
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case MSG_OUTPUT_READY:
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Log.d(TAG, "Sending login request...");
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send(MCS_LOGIN_REQUEST_TAG, buildLoginRequest());
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return true;
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case MSG_OUTPUT_DONE:
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handleOutputDone(msg);
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return true;
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}
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Log.w(TAG, "Unknown message: " + msg);
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return false;
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}
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private void handleOutputDone(android.os.Message msg) {
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switch (msg.arg1) {
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case MCS_HEARTBEAT_PING_TAG:
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wakeLock.release();
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break;
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default:
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}
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}
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private void handleInput(int type, Message message) {
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try {
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switch (type) {
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case MCS_DATA_MESSAGE_STANZA_TAG:
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handleCloudMessage((DataMessageStanza) message);
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break;
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case MCS_HEARTBEAT_PING_TAG:
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handleHearbeatPing((HeartbeatPing) message);
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break;
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case MCS_HEARTBEAT_ACK_TAG:
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handleHeartbeatAck((HeartbeatAck) message);
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break;
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case MCS_CLOSE_TAG:
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handleClose((Close) message);
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break;
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case MCS_LOGIN_RESPONSE_TAG:
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handleLoginResponse((LoginResponse) message);
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break;
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default:
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Log.w(TAG, "Unknown message: " + message);
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}
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resetCurrentDelay();
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} catch (Exception e) {
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rootHandler.sendMessage(rootHandler.obtainMessage(MSG_TEARDOWN, e));
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}
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}
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private void handleTeardown(android.os.Message msg) {
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sendOutputStream(MSG_TEARDOWN, msg.arg1, msg.obj);
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if (inputStream != null) {
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inputStream.close();
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inputStream = null;
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}
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try {
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sslSocket.close();
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} catch (Exception ignored) {
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}
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scheduleReconnect(this);
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|
|
|
alarmManager.cancel(heartbeatIntent);
|
|
if (wakeLock != null) {
|
|
try {
|
|
wakeLock.release();
|
|
} catch (Exception ignored) {
|
|
}
|
|
}
|
|
}
|
|
}
|