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Refactor Tor plugin factories.
This commit is contained in:
akwizgran
@@ -11,62 +11,35 @@ import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
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import org.briarproject.bramble.api.plugin.Backoff;
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import org.briarproject.bramble.api.plugin.BackoffFactory;
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import org.briarproject.bramble.api.plugin.PluginCallback;
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import org.briarproject.bramble.api.plugin.TorConstants;
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import org.briarproject.bramble.api.plugin.TorControlPort;
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import org.briarproject.bramble.api.plugin.TorDirectory;
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import org.briarproject.bramble.api.plugin.TorSocksPort;
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import org.briarproject.bramble.api.plugin.TransportId;
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import org.briarproject.bramble.api.plugin.duplex.DuplexPlugin;
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import org.briarproject.bramble.api.plugin.duplex.DuplexPluginFactory;
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import org.briarproject.bramble.api.system.AndroidWakeLockManager;
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import org.briarproject.bramble.api.system.Clock;
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import org.briarproject.bramble.api.system.LocationUtils;
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import org.briarproject.bramble.api.system.ResourceProvider;
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import org.briarproject.bramble.api.system.WakefulIoExecutor;
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import org.briarproject.bramble.util.AndroidUtils;
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import java.io.File;
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import java.util.concurrent.Executor;
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import java.util.logging.Logger;
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import javax.annotation.Nullable;
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import javax.annotation.concurrent.Immutable;
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import javax.inject.Inject;
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import javax.net.SocketFactory;
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import static org.briarproject.bramble.util.AndroidUtils.getSupportedArchitectures;
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@Immutable
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@NotNullByDefault
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public class AndroidTorPluginFactory implements DuplexPluginFactory {
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public class AndroidTorPluginFactory extends TorPluginFactory {
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private static final Logger LOG =
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Logger.getLogger(AndroidTorPluginFactory.class.getName());
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private static final int MAX_LATENCY = 30 * 1000; // 30 seconds
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private static final int MAX_IDLE_TIME = 30 * 1000; // 30 seconds
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private static final int MIN_POLLING_INTERVAL = 60 * 1000; // 1 minute
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private static final int MAX_POLLING_INTERVAL = 10 * 60 * 1000; // 10 mins
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private static final double BACKOFF_BASE = 1.2;
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private final Executor ioExecutor, wakefulIoExecutor;
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private final Application app;
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private final NetworkManager networkManager;
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private final LocationUtils locationUtils;
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private final EventBus eventBus;
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private final SocketFactory torSocketFactory;
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private final BackoffFactory backoffFactory;
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private final ResourceProvider resourceProvider;
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private final CircumventionProvider circumventionProvider;
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private final BatteryManager batteryManager;
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private final AndroidWakeLockManager wakeLockManager;
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private final Clock clock;
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private final File torDirectory;
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private int torSocksPort;
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private int torControlPort;
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private final CryptoComponent crypto;
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@Inject
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AndroidTorPluginFactory(@IoExecutor Executor ioExecutor,
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@WakefulIoExecutor Executor wakefulIoExecutor,
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Application app,
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NetworkManager networkManager,
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LocationUtils locationUtils,
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EventBus eventBus,
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@@ -75,80 +48,43 @@ public class AndroidTorPluginFactory implements DuplexPluginFactory {
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ResourceProvider resourceProvider,
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CircumventionProvider circumventionProvider,
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BatteryManager batteryManager,
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AndroidWakeLockManager wakeLockManager,
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Clock clock,
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CryptoComponent crypto,
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@TorDirectory File torDirectory,
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@TorSocksPort int torSocksPort,
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@TorControlPort int torControlPort,
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CryptoComponent crypto) {
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this.ioExecutor = ioExecutor;
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this.wakefulIoExecutor = wakefulIoExecutor;
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Application app,
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AndroidWakeLockManager wakeLockManager) {
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super(ioExecutor, wakefulIoExecutor, networkManager, locationUtils,
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eventBus, torSocketFactory, backoffFactory, resourceProvider,
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circumventionProvider, batteryManager, clock, crypto,
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torDirectory, torSocksPort, torControlPort);
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this.app = app;
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this.networkManager = networkManager;
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this.locationUtils = locationUtils;
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this.eventBus = eventBus;
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this.torSocketFactory = torSocketFactory;
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this.backoffFactory = backoffFactory;
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this.resourceProvider = resourceProvider;
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this.circumventionProvider = circumventionProvider;
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this.batteryManager = batteryManager;
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this.wakeLockManager = wakeLockManager;
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this.clock = clock;
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this.torDirectory = torDirectory;
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this.torSocksPort = torSocksPort;
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this.torControlPort = torControlPort;
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this.crypto = crypto;
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}
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@Nullable
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@Override
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public TransportId getId() {
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return TorConstants.ID;
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}
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@Override
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public long getMaxLatency() {
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return MAX_LATENCY;
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}
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@Override
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public DuplexPlugin createPlugin(PluginCallback callback) {
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// Check that we have a Tor binary for this architecture
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String architecture = null;
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for (String abi : AndroidUtils.getSupportedArchitectures()) {
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if (abi.startsWith("x86_64")) {
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architecture = "x86_64";
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break;
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} else if (abi.startsWith("x86")) {
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architecture = "x86";
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break;
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} else if (abi.startsWith("arm64")) {
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architecture = "arm64";
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break;
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} else if (abi.startsWith("armeabi")) {
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architecture = "arm";
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break;
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}
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String getArchitectureForTorBinary() {
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for (String abi : getSupportedArchitectures()) {
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if (abi.startsWith("x86_64")) return "x86_64_pie";
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else if (abi.startsWith("x86")) return "x86_pie";
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else if (abi.startsWith("arm64")) return "arm64_pie";
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else if (abi.startsWith("armeabi")) return "arm_pie";
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}
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if (architecture == null) {
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LOG.info("Tor is not supported on this architecture");
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return null;
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}
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// Use position-independent executable
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architecture += "_pie";
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return null;
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}
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Backoff backoff = backoffFactory.createBackoff(MIN_POLLING_INTERVAL,
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MAX_POLLING_INTERVAL, BACKOFF_BASE);
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TorRendezvousCrypto torRendezvousCrypto =
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new TorRendezvousCryptoImpl(crypto);
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AndroidTorPlugin plugin = new AndroidTorPlugin(ioExecutor,
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@Override
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TorPlugin createPluginInstance(Backoff backoff,
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TorRendezvousCrypto torRendezvousCrypto, PluginCallback callback,
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String architecture) {
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return new AndroidTorPlugin(ioExecutor,
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wakefulIoExecutor, app, networkManager, locationUtils,
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torSocketFactory, clock, resourceProvider,
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circumventionProvider, batteryManager, wakeLockManager,
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backoff, torRendezvousCrypto, callback, architecture,
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MAX_LATENCY, MAX_IDLE_TIME, torDirectory, torSocksPort,
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torControlPort);
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eventBus.addListener(plugin);
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return plugin;
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}
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}
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