215 lines
7.9 KiB
Java
215 lines
7.9 KiB
Java
/*
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* Copyright (C) 2014-2015 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.os.Bundle;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.ViewAnimator;
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import com.tokenautocomplete.TokenCompleteTextView;
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import com.tokenautocomplete.TokenCompleteTextView.TokenListener;
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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.pgp.CanonicalizedPublicKeyRing;
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import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException;
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import org.sufficientlysecure.keychain.provider.CachedPublicKeyRing;
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import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
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import org.sufficientlysecure.keychain.provider.ProviderHelper;
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import org.sufficientlysecure.keychain.provider.ProviderHelper.NotFoundException;
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import org.sufficientlysecure.keychain.ui.adapter.KeyAdapter.KeyItem;
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import org.sufficientlysecure.keychain.ui.widget.EncryptKeyCompletionView;
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import org.sufficientlysecure.keychain.ui.widget.KeySpinner;
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import org.sufficientlysecure.keychain.ui.widget.KeySpinner.OnKeyChangedListener;
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import org.sufficientlysecure.keychain.util.Log;
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import org.sufficientlysecure.keychain.util.Passphrase;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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public class EncryptModeAsymmetricFragment extends EncryptModeFragment {
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ProviderHelper mProviderHelper;
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private KeySpinner mSignKeySpinner;
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private EncryptKeyCompletionView mEncryptKeyView;
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public static final String ARG_SINGATURE_KEY_ID = "signature_key_id";
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public static final String ARG_ENCRYPTION_KEY_IDS = "encryption_key_ids";
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/**
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* Creates new instance of this fragment
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*/
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public static EncryptModeAsymmetricFragment newInstance(long signatureKey, long[] encryptionKeyIds) {
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EncryptModeAsymmetricFragment frag = new EncryptModeAsymmetricFragment();
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Bundle args = new Bundle();
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args.putLong(ARG_SINGATURE_KEY_ID, signatureKey);
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args.putLongArray(ARG_ENCRYPTION_KEY_IDS, encryptionKeyIds);
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frag.setArguments(args);
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return frag;
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}
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/**
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* Inflate the layout for this fragment
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*/
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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View view = inflater.inflate(R.layout.encrypt_asymmetric_fragment, container, false);
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mSignKeySpinner = (KeySpinner) view.findViewById(R.id.sign);
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mEncryptKeyView = (EncryptKeyCompletionView) view.findViewById(R.id.recipient_list);
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mEncryptKeyView.setThreshold(1); // Start working from first character
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// TODO: workaround for bug in TokenAutoComplete,
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// see https://github.com/open-keychain/open-keychain/issues/1636
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mEncryptKeyView.setDeletionStyle(TokenCompleteTextView.TokenDeleteStyle.ToString);
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final ViewAnimator vSignatureIcon = (ViewAnimator) view.findViewById(R.id.result_signature_icon);
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mSignKeySpinner.setOnKeyChangedListener(new OnKeyChangedListener() {
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@Override
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public void onKeyChanged(long masterKeyId) {
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int child = masterKeyId != Constants.key.none ? 1 : 0;
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if (vSignatureIcon.getDisplayedChild() != child) {
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vSignatureIcon.setDisplayedChild(child);
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}
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}
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});
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final ViewAnimator vEncryptionIcon = (ViewAnimator) view.findViewById(R.id.result_encryption_icon);
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mEncryptKeyView.setTokenListener(new TokenListener<KeyItem>() {
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@Override
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public void onTokenAdded(KeyItem o) {
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if (vEncryptionIcon.getDisplayedChild() != 1) {
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vEncryptionIcon.setDisplayedChild(1);
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}
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}
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@Override
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public void onTokenRemoved(KeyItem o) {
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int child = mEncryptKeyView.getObjects().isEmpty() ? 0 : 1;
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if (vEncryptionIcon.getDisplayedChild() != child) {
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vEncryptionIcon.setDisplayedChild(child);
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}
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}
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});
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return view;
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}
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@Override
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public void onActivityCreated(Bundle savedInstanceState) {
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super.onActivityCreated(savedInstanceState);
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mProviderHelper = new ProviderHelper(getActivity());
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// preselect keys given, from state or arguments
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if (savedInstanceState == null) {
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Long signatureKeyId = getArguments().getLong(ARG_SINGATURE_KEY_ID);
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if (signatureKeyId == Constants.key.none) {
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signatureKeyId = null;
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}
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long[] encryptionKeyIds = getArguments().getLongArray(ARG_ENCRYPTION_KEY_IDS);
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preselectKeys(signatureKeyId, encryptionKeyIds);
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}
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}
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/**
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* If an Intent gives a signatureMasterKeyId and/or encryptionMasterKeyIds, preselect those!
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*/
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private void preselectKeys(Long signatureKeyId, long[] encryptionKeyIds) {
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if (signatureKeyId != null) {
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try {
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CachedPublicKeyRing keyring = mProviderHelper.getCachedPublicKeyRing(
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KeyRings.buildUnifiedKeyRingUri(signatureKeyId));
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if (keyring.hasAnySecret()) {
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mSignKeySpinner.setPreSelectedKeyId(signatureKeyId);
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}
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} catch (PgpKeyNotFoundException e) {
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Log.e(Constants.TAG, "key not found!", e);
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}
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}
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if (encryptionKeyIds != null) {
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for (long preselectedId : encryptionKeyIds) {
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try {
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CanonicalizedPublicKeyRing ring =
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mProviderHelper.getCanonicalizedPublicKeyRing(preselectedId);
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mEncryptKeyView.addObject(new KeyItem(ring));
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} catch (NotFoundException e) {
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Log.e(Constants.TAG, "key not found!", e);
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}
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}
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// This is to work-around a rendering bug in TokenCompleteTextView
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mEncryptKeyView.requestFocus();
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}
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}
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@Override
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public boolean isAsymmetric() {
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return true;
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}
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@Override
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public long getAsymmetricSigningKeyId() {
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return mSignKeySpinner.getSelectedKeyId();
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}
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@Override
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public long[] getAsymmetricEncryptionKeyIds() {
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List<Long> keyIds = new ArrayList<>();
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for (Object object : mEncryptKeyView.getObjects()) {
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if (object instanceof KeyItem) {
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keyIds.add(((KeyItem) object).mKeyId);
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}
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}
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long[] keyIdsArr = new long[keyIds.size()];
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Iterator<Long> iterator = keyIds.iterator();
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for (int i = 0; i < keyIds.size(); i++) {
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keyIdsArr[i] = iterator.next();
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}
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return keyIdsArr;
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}
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@Override
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public String[] getAsymmetricEncryptionUserIds() {
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List<String> userIds = new ArrayList<>();
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for (Object object : mEncryptKeyView.getObjects()) {
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if (object instanceof KeyItem) {
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userIds.add(((KeyItem) object).mUserIdFull);
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}
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}
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return userIds.toArray(new String[userIds.size()]);
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}
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@Override
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public Passphrase getSymmetricPassphrase() {
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throw new UnsupportedOperationException("should never happen, this is a programming error!");
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}
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}
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