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/**
* Copyright (c) 2019 LEAP Encryption Access Project and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package se.leap.bitmaskclient.pluggableTransports;
import android.os.AsyncTask;
import android.util.Log;
import de.blinkt.openvpn.core.VpnStatus;
import shapeshifter.ShapeShifter;
public class Shapeshifter {
public static final String DISPATCHER_PORT = "4430";
public static final String DISPATCHER_IP = "127.0.0.1";
private static final String TAG = Shapeshifter.class.getSimpleName();
ShapeShifter shapeShifter;
ShapeshifterErrorListner shapeshifterErrorListner;
public Shapeshifter(Obfs4Options options) {
shapeShifter = new ShapeShifter();
shapeShifter.setSocksAddr(DISPATCHER_IP+":"+DISPATCHER_PORT);
shapeShifter.setTarget(options.remoteIP+":"+options.remotePort);
shapeShifter.setCert(options.cert);
Log.d(TAG, "shapeshifter initialized with: \n" + shapeShifter.toString());
}
public boolean start() {
try {
shapeshifterErrorListner = new ShapeshifterErrorListner();
shapeshifterErrorListner.execute(shapeShifter);
shapeShifter.open();
Log.d(TAG, "shapeshifter opened");
return true;
} catch (Exception e) {
VpnStatus.logError("SHAPESHIFTER ERROR " + e.getLocalizedMessage());
e.printStackTrace();
}
return false;
}
public boolean stop() {
try {
shapeShifter.close();
Log.d(TAG, "shapeshifter closed");
return true;
} catch (Exception e) {
e.printStackTrace();
VpnStatus.logError("SHAPESHIFTER ERROR " + e.getLocalizedMessage());
}
return false;
}
static class ShapeshifterErrorListner extends AsyncTask<ShapeShifter, Void, Void> {
@Override
protected Void doInBackground(ShapeShifter... shapeShifters) {
ShapeShifter shapeshifter = shapeShifters[0];
try {
shapeshifter.getLastError();
} catch (Exception e) {
e.printStackTrace();
VpnStatus.logError("SHAPESHIFTER ERROR " + e.getLocalizedMessage());
try {
shapeshifter.close();
} catch (Exception ex) {
ex.printStackTrace();
VpnStatus.logError("SHAPESHIFTER ERROR " + e.getLocalizedMessage());
}
}
return null;
}
@Override
protected void onPostExecute(Void aVoid) {
super.onPostExecute(aVoid);
}
}
}
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