219 lines
8 KiB
Java
219 lines
8 KiB
Java
/*
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* Copyright (C) 2017 Schürmann & Breitmoser GbR
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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 java.io.IOException;
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import java.util.ArrayList;
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import android.annotation.TargetApi;
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import android.content.Intent;
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import android.graphics.PorterDuff;
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import android.os.Build;
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import android.os.Bundle;
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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 edu.cmu.cylab.starslinger.exchange.ExchangeActivity;
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import edu.cmu.cylab.starslinger.exchange.ExchangeConfig;
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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.HkpKeyserverAddress;
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import org.sufficientlysecure.keychain.keyimport.ParcelableKeyRing;
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import org.sufficientlysecure.keychain.operations.ImportOperation;
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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.daos.KeyRepository;
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import org.sufficientlysecure.keychain.daos.KeyRepository.NotFoundException;
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import org.sufficientlysecure.keychain.service.ImportKeyringParcel;
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import org.sufficientlysecure.keychain.ui.base.BaseActivity;
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import org.sufficientlysecure.keychain.ui.base.CryptoOperationHelper;
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import org.sufficientlysecure.keychain.ui.util.FormattingUtils;
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import org.sufficientlysecure.keychain.ui.util.Notify;
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import org.sufficientlysecure.keychain.util.ParcelableFileCache;
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import timber.log.Timber;
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@TargetApi(Build.VERSION_CODES.HONEYCOMB)
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public class SafeSlingerActivity extends BaseActivity
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implements CryptoOperationHelper.Callback<ImportKeyringParcel, ImportKeyResult> {
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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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// for CryptoOperationHelper
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private ArrayList<ParcelableKeyRing> mKeyList;
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private HkpKeyserverAddress mKeyserver;
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private CryptoOperationHelper<ImportKeyringParcel, ImportKeyResult> mOperationHelper;
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private KeyRepository keyRepository;
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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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keyRepository = KeyRepository.create(this);
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mMasterKeyId = getIntent().getLongExtra(EXTRA_MASTER_KEY_ID, 0);
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NumberPicker picker = 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 = findViewById(R.id.safe_slinger_button_image);
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buttonIcon.setColorFilter(FormattingUtils.getColorFromAttr(this, R.attr.colorTertiaryText),
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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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try {
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byte[] keyBlob = keyRepository.loadPublicKeyRingData(masterKeyId);
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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 (NotFoundException e) {
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Timber.e(e, "key for transfer not found");
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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 (mOperationHelper != null) {
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mOperationHelper.handleActivityResult(requestCode, resultCode, data);
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}
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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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Timber.d("importKeys started");
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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<>(this, ImportOperation.CACHE_FILE_NAME);
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cache.writeCache(it.size(), it.iterator());
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mOperationHelper =
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new CryptoOperationHelper(1, this, this, R.string.progress_importing);
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mKeyList = null;
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mKeyserver = null;
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mOperationHelper.cryptoOperation();
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} catch (IOException e) {
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Timber.e(e, "Problem writing cache file");
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Notify.create(this, "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(ParcelableKeyRing.createFromEncodedBytes(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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// CryptoOperationHelper.Callback functions
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@Override
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public ImportKeyringParcel createOperationInput() {
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return ImportKeyringParcel.createImportKeyringParcel(mKeyList, mKeyserver);
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}
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@Override
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public void onCryptoOperationSuccess(ImportKeyResult result) {
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Intent certifyIntent = new Intent(this, 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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}
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@Override
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public void onCryptoOperationCancelled() {
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}
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@Override
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public void onCryptoOperationError(ImportKeyResult result) {
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Bundle returnData = new Bundle();
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returnData.putParcelable(OperationResult.EXTRA_RESULT, result);
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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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}
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@Override
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public boolean onCryptoSetProgress(String msg, int progress, int max) {
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return false;
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}
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}
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