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Code Issues Projects Releases Wiki Activity

Encode transport properties more compactly in QR codes.

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This commit is contained in:
akwizgran
2016-11-07 16:25:30 +00:00
parent 7327029fca
commit 04d4ecad05
20 changed files with 326 additions and 168 deletions
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40
briar-android/src/org/briarproject/plugins/droidtooth/DroidtoothPlugin.java
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@@ -11,12 +11,13 @@ import android.content.IntentFilter;
import org.briarproject.android.api.AndroidExecutor;
import org.briarproject.android.util.AndroidUtils;
import org.briarproject.api.FormatException;
import org.briarproject.api.TransportId;
import org.briarproject.api.contact.ContactId;
import org.briarproject.api.crypto.PseudoRandom;
import org.briarproject.api.data.BdfList;
import org.briarproject.api.keyagreement.KeyAgreementConnection;
import org.briarproject.api.keyagreement.KeyAgreementListener;
import org.briarproject.api.keyagreement.TransportDescriptor;
import org.briarproject.api.plugins.Backoff;
import org.briarproject.api.plugins.duplex.DuplexPlugin;
import org.briarproject.api.plugins.duplex.DuplexPluginCallback;
@@ -44,6 +45,8 @@ import java.util.concurrent.Future;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.logging.Logger;
import javax.annotation.Nullable;
import static android.bluetooth.BluetoothAdapter.ACTION_SCAN_MODE_CHANGED;
import static android.bluetooth.BluetoothAdapter.ACTION_STATE_CHANGED;
import static android.bluetooth.BluetoothAdapter.EXTRA_SCAN_MODE;
@@ -57,6 +60,7 @@ import static android.bluetooth.BluetoothDevice.EXTRA_DEVICE;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.logging.Level.INFO;
import static java.util.logging.Level.WARNING;
import static org.briarproject.api.keyagreement.KeyAgreementConstants.TRANSPORT_ID_BLUETOOTH;
import static org.briarproject.util.PrivacyUtils.scrubMacAddress;
class DroidtoothPlugin implements DuplexPlugin {
@@ -466,23 +470,25 @@ class DroidtoothPlugin implements DuplexPlugin {
if (LOG.isLoggable(WARNING)) LOG.log(WARNING, e.toString(), e);
return null;
}
TransportProperties p = new TransportProperties();
BdfList descriptor = new BdfList();
descriptor.add(TRANSPORT_ID_BLUETOOTH);
String address = AndroidUtils.getBluetoothAddress(appContext, adapter);
if (!StringUtils.isNullOrEmpty(address))
p.put(PROP_ADDRESS, address);
TransportDescriptor d = new TransportDescriptor(ID, p);
return new BluetoothKeyAgreementListener(d, ss);
if (!address.isEmpty()) descriptor.add(StringUtils.macToBytes(address));
return new BluetoothKeyAgreementListener(descriptor, ss);
}
@Override
public DuplexTransportConnection createKeyAgreementConnection(
byte[] commitment, TransportDescriptor d, long timeout) {
byte[] commitment, BdfList descriptor, long timeout) {
if (!isRunning()) return null;
if (!ID.equals(d.getIdentifier())) return null;
TransportProperties p = d.getProperties();
if (p == null) return null;
String address = p.get(PROP_ADDRESS);
if (StringUtils.isNullOrEmpty(address)) return null;
String address;
try {
address = parseAddress(descriptor);
} catch (FormatException e) {
LOG.info("Invalid address in key agreement descriptor");
return null;
}
if (address == null) return null;
// No truncation necessary because COMMIT_LENGTH = 16
UUID uuid = UUID.nameUUIDFromBytes(commitment);
if (LOG.isLoggable(INFO))
@@ -492,6 +498,14 @@ class DroidtoothPlugin implements DuplexPlugin {
return new DroidtoothTransportConnection(this, s);
}
@Nullable
private String parseAddress(BdfList descriptor) throws FormatException {
if (descriptor.size() < 2) return null;
byte[] mac = descriptor.getRaw(1);
if (mac.length != 6) throw new FormatException();
return StringUtils.macToString(mac);
}
private class BluetoothStateReceiver extends BroadcastReceiver {
@Override
@@ -626,7 +640,7 @@ class DroidtoothPlugin implements DuplexPlugin {
private final BluetoothServerSocket ss;
BluetoothKeyAgreementListener(TransportDescriptor descriptor,
BluetoothKeyAgreementListener(BdfList descriptor,
BluetoothServerSocket ss) {
super(descriptor);
this.ss = ss;