238 lines
9.6 KiB
Java
238 lines
9.6 KiB
Java
/*
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* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.ui;
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import android.annotation.TargetApi;
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import android.app.ProgressDialog;
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import android.content.Intent;
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import android.graphics.PorterDuff;
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import android.net.Uri;
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import android.os.Build;
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import android.os.Bundle;
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import android.os.Message;
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import android.os.Messenger;
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import android.support.v4.app.FragmentActivity;
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import android.view.View;
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import android.widget.ImageView;
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import android.widget.NumberPicker;
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import org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.keyimport.ParcelableKeyRing;
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import org.sufficientlysecure.keychain.operations.results.ImportKeyResult;
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import org.sufficientlysecure.keychain.operations.results.OperationResult;
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import org.sufficientlysecure.keychain.provider.KeychainContract;
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import org.sufficientlysecure.keychain.provider.ProviderHelper;
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import org.sufficientlysecure.keychain.service.KeychainIntentService;
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import org.sufficientlysecure.keychain.service.ServiceProgressHandler;
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import org.sufficientlysecure.keychain.ui.dialog.ProgressDialogFragment;
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import org.sufficientlysecure.keychain.ui.util.Notify;
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import org.sufficientlysecure.keychain.util.Log;
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import org.sufficientlysecure.keychain.util.ParcelableFileCache;
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import java.io.IOException;
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import java.util.ArrayList;
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import edu.cmu.cylab.starslinger.exchange.ExchangeActivity;
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import edu.cmu.cylab.starslinger.exchange.ExchangeConfig;
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@TargetApi(Build.VERSION_CODES.HONEYCOMB)
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public class SafeSlingerActivity extends BaseActivity {
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private static final int REQUEST_CODE_SAFE_SLINGER = 211;
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public static final String EXTRA_MASTER_KEY_ID = "master_key_id";
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private long mMasterKeyId;
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private int mSelectedNumber = 2;
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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mMasterKeyId = getIntent().getLongExtra(EXTRA_MASTER_KEY_ID, 0);
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NumberPicker picker = (NumberPicker) findViewById(R.id.safe_slinger_picker);
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picker.setMinValue(2);
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picker.setMaxValue(10);
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picker.setOnValueChangedListener(new NumberPicker.OnValueChangeListener() {
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@Override
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public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
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mSelectedNumber = newVal;
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}
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});
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ImageView buttonIcon = (ImageView) findViewById(R.id.safe_slinger_button_image);
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buttonIcon.setColorFilter(getResources().getColor(R.color.tertiary_text_light),
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PorterDuff.Mode.SRC_IN);
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View button = findViewById(R.id.safe_slinger_button);
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button.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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startExchange(mMasterKeyId, mSelectedNumber);
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}
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});
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}
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@Override
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protected void initLayout() {
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setContentView(R.layout.safe_slinger_activity);
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}
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private void startExchange(long masterKeyId, int number) {
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// retrieve public key blob and start SafeSlinger
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Uri uri = KeychainContract.KeyRingData.buildPublicKeyRingUri(masterKeyId);
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try {
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byte[] keyBlob = (byte[]) new ProviderHelper(this).getGenericData(
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uri, KeychainContract.KeyRingData.KEY_RING_DATA, ProviderHelper.FIELD_TYPE_BLOB);
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Intent slingerIntent = new Intent(this, ExchangeActivity.class);
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slingerIntent.putExtra(ExchangeConfig.extra.NUM_USERS, number);
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slingerIntent.putExtra(ExchangeConfig.extra.USER_DATA, keyBlob);
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slingerIntent.putExtra(ExchangeConfig.extra.HOST_NAME, Constants.SAFESLINGER_SERVER);
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startActivityForResult(slingerIntent, REQUEST_CODE_SAFE_SLINGER);
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} catch (ProviderHelper.NotFoundException e) {
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Log.e(Constants.TAG, "personal key not found", e);
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}
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}
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@Override
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public void onActivityResult(int requestCode, int resultCode, Intent data) {
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if (requestCode == REQUEST_CODE_SAFE_SLINGER) {
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if (resultCode == ExchangeActivity.RESULT_EXCHANGE_CANCELED) {
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return;
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}
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final FragmentActivity activity = SafeSlingerActivity.this;
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// Message is received after importing is done in KeychainIntentService
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ServiceProgressHandler saveHandler = new ServiceProgressHandler(
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activity,
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getString(R.string.progress_importing),
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ProgressDialog.STYLE_HORIZONTAL,
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true,
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ProgressDialogFragment.ServiceType.KEYCHAIN_INTENT) {
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public void handleMessage(Message message) {
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// handle messages by standard KeychainIntentServiceHandler first
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super.handleMessage(message);
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if (message.arg1 == MessageStatus.OKAY.ordinal()) {
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// get returned data bundle
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Bundle returnData = message.getData();
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if (returnData == null) {
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return;
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}
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final ImportKeyResult result =
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returnData.getParcelable(OperationResult.EXTRA_RESULT);
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if (result == null) {
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Log.e(Constants.TAG, "result == null");
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return;
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}
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if (!result.success()) {
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// result.createNotify(activity).show();
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// only return if no success...
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Intent data = new Intent();
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data.putExtras(returnData);
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setResult(RESULT_OK, data);
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finish();
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return;
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}
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// if (mExchangeMasterKeyId == null) {
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// return;
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// }
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Intent certifyIntent = new Intent(activity, CertifyKeyActivity.class);
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certifyIntent.putExtra(CertifyKeyActivity.EXTRA_RESULT, result);
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certifyIntent.putExtra(CertifyKeyActivity.EXTRA_KEY_IDS, result.getImportedMasterKeyIds());
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certifyIntent.putExtra(CertifyKeyActivity.EXTRA_CERTIFY_KEY_ID, mMasterKeyId);
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startActivityForResult(certifyIntent, 0);
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// mExchangeMasterKeyId = null;
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}
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}
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};
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Log.d(Constants.TAG, "importKeys started");
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// Send all information needed to service to import key in other thread
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Intent intent = new Intent(activity, KeychainIntentService.class);
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intent.setAction(KeychainIntentService.ACTION_IMPORT_KEYRING);
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// instead of giving the entries by Intent extra, cache them into a
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// file to prevent Java Binder problems on heavy imports
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// read FileImportCache for more info.
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try {
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// import exchanged keys
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ArrayList<ParcelableKeyRing> it = getSlingedKeys(data.getExtras());
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// We parcel this iteratively into a file - anything we can
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// display here, we should be able to import.
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ParcelableFileCache<ParcelableKeyRing> cache =
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new ParcelableFileCache<>(activity, "key_import.pcl");
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cache.writeCache(it.size(), it.iterator());
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// fill values for this action
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Bundle bundle = new Bundle();
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intent.putExtra(KeychainIntentService.EXTRA_DATA, bundle);
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// Create a new Messenger for the communication back
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Messenger messenger = new Messenger(saveHandler);
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intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger);
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// show progress dialog
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saveHandler.showProgressDialog(activity);
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// start service with intent
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activity.startService(intent);
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} catch (IOException e) {
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Log.e(Constants.TAG, "Problem writing cache file", e);
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Notify.create(activity, "Problem writing cache file!", Notify.Style.ERROR).show();
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}
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} else {
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// give everything else down to KeyListActivity!
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setResult(resultCode, data);
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finish();
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}
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}
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private static ArrayList<ParcelableKeyRing> getSlingedKeys(Bundle extras) {
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ArrayList<ParcelableKeyRing> list = new ArrayList<>();
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if (extras != null) {
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byte[] d;
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int i = 0;
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do {
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d = extras.getByteArray(ExchangeConfig.extra.MEMBER_DATA + i);
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if (d != null) {
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list.add(new ParcelableKeyRing(d));
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i++;
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}
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} while (d != null);
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}
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return list;
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}
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}
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