Disable Tor's connection padding on mobile data or battery.

This commit is contained in:
akwizgran
2018-11-07 15:04:33 +00:00
parent 4784980e7b
commit 0a0a6a6369
16 changed files with 233 additions and 38 deletions

View File

@@ -1,5 +1,6 @@
package org.briarproject.bramble;
import org.briarproject.bramble.battery.AndroidBatteryModule;
import org.briarproject.bramble.network.AndroidNetworkModule;
import org.briarproject.bramble.plugin.tor.CircumventionModule;
import org.briarproject.bramble.system.AndroidSystemModule;
@@ -7,6 +8,7 @@ import org.briarproject.bramble.system.AndroidSystemModule;
import dagger.Module;
@Module(includes = {
AndroidBatteryModule.class,
AndroidNetworkModule.class,
AndroidSystemModule.class,
CircumventionModule.class

View File

@@ -0,0 +1,86 @@
package org.briarproject.bramble.battery;
import android.app.Application;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import org.briarproject.bramble.api.battery.BatteryManager;
import org.briarproject.bramble.api.battery.event.BatteryEvent;
import org.briarproject.bramble.api.event.EventBus;
import org.briarproject.bramble.api.lifecycle.Service;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.logging.Logger;
import javax.inject.Inject;
import static android.content.Intent.ACTION_BATTERY_CHANGED;
import static android.content.Intent.ACTION_POWER_CONNECTED;
import static android.content.Intent.ACTION_POWER_DISCONNECTED;
import static android.os.BatteryManager.BATTERY_STATUS_CHARGING;
import static android.os.BatteryManager.BATTERY_STATUS_FULL;
import static android.os.BatteryManager.EXTRA_STATUS;
import static java.util.logging.Level.INFO;
import static java.util.logging.Logger.getLogger;
class AndroidBatteryManager implements BatteryManager, Service {
private static final Logger LOG =
getLogger(AndroidBatteryManager.class.getName());
private static final IntentFilter BATTERY_FILTER =
new IntentFilter(ACTION_BATTERY_CHANGED);
private final Context appContext;
private final EventBus eventBus;
private final AtomicBoolean used = new AtomicBoolean(false);
private volatile BroadcastReceiver batteryReceiver = null;
@Inject
AndroidBatteryManager(Application app, EventBus eventBus) {
this.appContext = app.getApplicationContext();
this.eventBus = eventBus;
}
@Override
public boolean isCharging() {
// Get the sticky intent for ACTION_BATTERY_CHANGED
Intent i = appContext.registerReceiver(null, BATTERY_FILTER);
if (i == null) return false;
int status = i.getIntExtra(EXTRA_STATUS, -1);
return status == BATTERY_STATUS_CHARGING ||
status == BATTERY_STATUS_FULL;
}
@Override
public void startService() {
if (used.getAndSet(true)) throw new IllegalStateException();
batteryReceiver = new BatteryReceiver();
IntentFilter filter = new IntentFilter();
filter.addAction(ACTION_POWER_CONNECTED);
filter.addAction(ACTION_POWER_DISCONNECTED);
appContext.registerReceiver(batteryReceiver, filter);
}
@Override
public void stopService() {
if (batteryReceiver != null)
appContext.unregisterReceiver(batteryReceiver);
}
private class BatteryReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context ctx, Intent i) {
String action = i.getAction();
if (LOG.isLoggable(INFO)) LOG.info("Received broadcast " + action);
if (ACTION_POWER_CONNECTED.equals(action))
eventBus.broadcast(new BatteryEvent(true));
else if (ACTION_POWER_DISCONNECTED.equals(action))
eventBus.broadcast(new BatteryEvent(false));
}
}
}

View File

@@ -0,0 +1,21 @@
package org.briarproject.bramble.battery;
import org.briarproject.bramble.api.battery.BatteryManager;
import org.briarproject.bramble.api.lifecycle.LifecycleManager;
import javax.inject.Singleton;
import dagger.Module;
import dagger.Provides;
@Module
public class AndroidBatteryModule {
@Provides
@Singleton
BatteryManager provideBatteryManager(LifecycleManager lifecycleManager,
AndroidBatteryManager batteryManager) {
lifecycleManager.registerService(batteryManager);
return batteryManager;
}
}

View File

@@ -6,6 +6,7 @@ import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.os.PowerManager;
import org.briarproject.bramble.api.battery.BatteryManager;
import org.briarproject.bramble.api.network.NetworkManager;
import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
import org.briarproject.bramble.api.nullsafety.ParametersNotNullByDefault;
@@ -41,17 +42,18 @@ class AndroidTorPlugin extends TorPlugin {
Context appContext, NetworkManager networkManager,
LocationUtils locationUtils, SocketFactory torSocketFactory,
Clock clock, ResourceProvider resourceProvider,
CircumventionProvider circumventionProvider, Backoff backoff,
CircumventionProvider circumventionProvider,
BatteryManager batteryManager, Backoff backoff,
DuplexPluginCallback callback, String architecture, int maxLatency,
int maxIdleTime) {
super(ioExecutor, networkManager, locationUtils, torSocketFactory,
clock, resourceProvider, circumventionProvider, backoff,
callback, architecture, maxLatency, maxIdleTime,
clock, resourceProvider, circumventionProvider, batteryManager,
backoff, callback, architecture, maxLatency, maxIdleTime,
appContext.getDir("tor", MODE_PRIVATE));
this.appContext = appContext;
PowerManager pm = (PowerManager)
appContext.getSystemService(POWER_SERVICE);
assert pm != null;
if (pm == null) throw new AssertionError();
wakeLock = new RenewableWakeLock(pm, scheduler, PARTIAL_WAKE_LOCK,
WAKE_LOCK_TAG, 1, MINUTES);
}

View File

@@ -3,6 +3,7 @@ package org.briarproject.bramble.plugin.tor;
import android.content.Context;
import android.os.Build;
import org.briarproject.bramble.api.battery.BatteryManager;
import org.briarproject.bramble.api.event.EventBus;
import org.briarproject.bramble.api.network.NetworkManager;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
@@ -48,6 +49,7 @@ public class AndroidTorPluginFactory implements DuplexPluginFactory {
private final BackoffFactory backoffFactory;
private final ResourceProvider resourceProvider;
private final CircumventionProvider circumventionProvider;
private final BatteryManager batteryManager;
private final Clock clock;
public AndroidTorPluginFactory(Executor ioExecutor,
@@ -55,7 +57,8 @@ public class AndroidTorPluginFactory implements DuplexPluginFactory {
NetworkManager networkManager, LocationUtils locationUtils,
EventBus eventBus, SocketFactory torSocketFactory,
BackoffFactory backoffFactory, ResourceProvider resourceProvider,
CircumventionProvider circumventionProvider, Clock clock) {
CircumventionProvider circumventionProvider,
BatteryManager batteryManager, Clock clock) {
this.ioExecutor = ioExecutor;
this.scheduler = scheduler;
this.appContext = appContext;
@@ -66,6 +69,7 @@ public class AndroidTorPluginFactory implements DuplexPluginFactory {
this.backoffFactory = backoffFactory;
this.resourceProvider = resourceProvider;
this.circumventionProvider = circumventionProvider;
this.batteryManager = batteryManager;
this.clock = clock;
}
@@ -104,8 +108,8 @@ public class AndroidTorPluginFactory implements DuplexPluginFactory {
MAX_POLLING_INTERVAL, BACKOFF_BASE);
AndroidTorPlugin plugin = new AndroidTorPlugin(ioExecutor, scheduler,
appContext, networkManager, locationUtils, torSocketFactory,
clock, resourceProvider, circumventionProvider, backoff,
callback, architecture, MAX_LATENCY, MAX_IDLE_TIME);
clock, resourceProvider, circumventionProvider, batteryManager,
backoff, callback, architecture, MAX_LATENCY, MAX_IDLE_TIME);
eventBus.addListener(plugin);
return plugin;
}

View File

@@ -11,15 +11,12 @@ import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.logging.Logger;
import static android.content.Context.MODE_PRIVATE;
import static android.os.Build.VERSION.SDK_INT;
public class AndroidUtils {
private static final Logger LOG =
Logger.getLogger(AndroidUtils.class.getName());
// Fake Bluetooth address returned by BluetoothAdapter on API 23 and later
private static final String FAKE_BLUETOOTH_ADDRESS = "02:00:00:00:00:00";
@@ -28,7 +25,7 @@ public class AndroidUtils {
@SuppressWarnings("deprecation")
public static Collection<String> getSupportedArchitectures() {
List<String> abis = new ArrayList<>();
if (Build.VERSION.SDK_INT >= 21) {
if (SDK_INT >= 21) {
abis.addAll(Arrays.asList(Build.SUPPORTED_ABIS));
} else {
abis.add(Build.CPU_ABI);