335 lines
13 KiB
Java
335 lines
13 KiB
Java
/*
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* Copyright (C) 2013-2014 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.adapter;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.List;
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import android.content.Intent;
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import android.databinding.DataBindingUtil;
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import android.support.v4.app.FragmentActivity;
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import android.support.v7.widget.RecyclerView;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.view.ViewGroup;
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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.databinding.ImportKeysListItemBinding;
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import org.sufficientlysecure.keychain.keyimport.ImportKeysListEntry;
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import org.sufficientlysecure.keychain.keyimport.ParcelableHkpKeyserver;
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import org.sufficientlysecure.keychain.keyimport.ParcelableKeyRing;
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import org.sufficientlysecure.keychain.keyimport.processing.ImportKeysListener;
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import org.sufficientlysecure.keychain.keyimport.processing.ImportKeysOperationCallback;
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import org.sufficientlysecure.keychain.keyimport.processing.ImportKeysResultListener;
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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.pgp.CanonicalizedKeyRing;
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import org.sufficientlysecure.keychain.pgp.KeyRing;
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import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException;
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import org.sufficientlysecure.keychain.provider.KeyRepository;
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import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
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import org.sufficientlysecure.keychain.service.ImportKeyringParcel;
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import org.sufficientlysecure.keychain.ui.keyview.ViewKeyActivity;
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import org.sufficientlysecure.keychain.ui.base.CryptoOperationHelper;
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import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
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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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public class ImportKeysAdapter extends RecyclerView.Adapter<ImportKeysAdapter.ViewHolder>
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implements ImportKeysResultListener {
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private FragmentActivity mActivity;
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private ImportKeysResultListener mListener;
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private boolean mNonInteractive;
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private List<ImportKeysListEntry> mData;
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private KeyState[] mKeyStates;
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private KeyRepository mKeyRepository;
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public ImportKeysAdapter(FragmentActivity activity, ImportKeysListener listener,
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boolean nonInteractive) {
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mActivity = activity;
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mListener = listener;
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mNonInteractive = nonInteractive;
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mKeyRepository = KeyRepository.createDatabaseInteractor(activity);
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}
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public void setData(List<ImportKeysListEntry> data) {
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mData = data;
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mKeyStates = new KeyState[data.size()];
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for (int i = 0; i < mKeyStates.length; i++) {
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ImportKeysListEntry entry = mData.get(i);
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KeyState keyState = new KeyState();
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long keyId = KeyFormattingUtils.convertKeyIdHexToKeyId(entry.getKeyIdHex());
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try {
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KeyRing keyRing;
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if (entry.isSecretKey()) {
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keyRing = mKeyRepository.getCanonicalizedSecretKeyRing(keyId);
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} else {
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keyRing = mKeyRepository.getCachedPublicKeyRing(keyId);
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}
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keyState.mAlreadyPresent = true;
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keyState.mVerified = keyRing.getVerified() > 0;
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} catch (KeyRepository.NotFoundException | PgpKeyNotFoundException ignored) {
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}
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mKeyStates[i] = keyState;
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}
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// If there is only one key, get it automatically
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if (mData.size() == 1) {
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getKeyWithProgress(0, mData.get(0), true);
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}
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notifyDataSetChanged();
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}
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public void clearData() {
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mData = null;
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mKeyStates = null;
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notifyDataSetChanged();
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}
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/**
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* This method returns a list of all selected entries, with public keys sorted
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* before secret keys, see ImportOperation for specifics.
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*
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* @see ImportOperation
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*/
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public List<ImportKeysListEntry> getEntries() {
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ArrayList<ImportKeysListEntry> result = new ArrayList<>();
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ArrayList<ImportKeysListEntry> secrets = new ArrayList<>();
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if (mData == null) {
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return result;
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}
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for (ImportKeysListEntry entry : mData) {
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// add this entry to either the secret or the public list
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(entry.isSecretKey() ? secrets : result).add(entry);
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}
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// add secret keys at the end of the list
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result.addAll(secrets);
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return result;
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}
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public class ViewHolder extends RecyclerView.ViewHolder {
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public ImportKeysListItemBinding b;
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public ViewHolder(View view) {
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super(view);
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b = DataBindingUtil.bind(view);
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b.setNonInteractive(mNonInteractive);
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}
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}
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@Override
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public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
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LayoutInflater inflater = LayoutInflater.from(mActivity);
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return new ViewHolder(inflater.inflate(R.layout.import_keys_list_item, parent, false));
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}
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@Override
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public void onBindViewHolder(ViewHolder holder, final int position) {
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final ImportKeysListItemBinding b = holder.b;
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final ImportKeysListEntry entry = mData.get(position);
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b.setEntry(entry);
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final KeyState keyState = mKeyStates[position];
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b.card.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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if (!keyState.mDownloaded) {
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getKeyWithProgress(position, entry, true);
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} else {
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changeShowed(position, !keyState.mShowed);
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}
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}
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});
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b.extra.importKey.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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getKeyWithProgress(position, entry, false);
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}
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});
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b.extra.showKey.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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long keyId = KeyFormattingUtils.convertKeyIdHexToKeyId(entry.getKeyIdHex());
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Intent intent = new Intent(mActivity, ViewKeyActivity.class);
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intent.setData(KeyRings.buildGenericKeyRingUri(keyId));
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mActivity.startActivity(intent);
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}
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});
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b.extraContainer.setVisibility(keyState.mShowed ? View.VISIBLE : View.GONE);
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b.progress.setVisibility(keyState.mProgress ? View.VISIBLE : View.GONE);
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b.extra.importKey.setEnabled(!keyState.mProgress);
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}
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@Override
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public int getItemCount() {
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return mData != null ? mData.size() : 0;
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}
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private void getKeyWithProgress(int position, ImportKeysListEntry entry, boolean skipSave) {
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if (isLoading(position)) {
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return;
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}
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changeProgress(position, true);
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getKey(position, entry, skipSave);
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}
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private void getKey(int position, ImportKeysListEntry entry, boolean skipSave) {
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ImportKeyringParcel inputParcel = prepareKeyOperation(entry, skipSave);
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ImportKeysResultListener listener = skipSave ? this : mListener;
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ImportKeysOperationCallback cb = new ImportKeysOperationCallback(listener, inputParcel, position);
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CryptoOperationHelper opHelper = new CryptoOperationHelper<>(1, mActivity, cb, null);
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opHelper.cryptoOperation();
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}
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private ImportKeyringParcel prepareKeyOperation(ImportKeysListEntry entry, boolean skipSave) {
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ParcelableKeyRing keyRing = entry.getParcelableKeyRing();
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if (keyRing.getBytes() != null) {
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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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// 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<>(mActivity, ImportOperation.CACHE_FILE_NAME);
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cache.writeCache(keyRing);
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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(mActivity, "Problem writing cache file!", Notify.Style.ERROR).show();
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}
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if (skipSave) {
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return ImportKeyringParcel.createFromFileCacheWithSkipSave();
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} else {
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return ImportKeyringParcel.createFromFileCache();
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}
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} else {
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ArrayList<ParcelableKeyRing> keysList = new ArrayList<>();
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keysList.add(keyRing);
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ParcelableHkpKeyserver keyserver = entry.getKeyserver();
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if (skipSave) {
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return ImportKeyringParcel.createWithSkipSave(keysList, keyserver);
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} else {
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return ImportKeyringParcel.createImportKeyringParcel(keysList, keyserver);
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}
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}
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}
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@Override
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public void handleResult(ImportKeyResult result, Integer position) {
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if (position == null) {
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throw new IllegalArgumentException("position parameter must be non-null!");
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}
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boolean resultStatus = result.success();
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Log.e(Constants.TAG, "getKey result: " + resultStatus);
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if (resultStatus) {
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ArrayList<CanonicalizedKeyRing> canKeyRings = result.mCanonicalizedKeyRings;
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if (canKeyRings.size() == 1) {
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CanonicalizedKeyRing keyRing = canKeyRings.get(0);
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Log.e(Constants.TAG, "Key ID: " + keyRing.getMasterKeyId() +
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"| isRev: " + keyRing.isRevoked() + "| isExp: " + keyRing.isExpired()
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+ "| isSec: " + keyRing.isSecure());
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ImportKeysListEntry entry = mData.get(position);
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entry.setUpdated(result.isOkUpdated());
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mergeEntryWithKey(entry, keyRing);
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mKeyStates[position].mDownloaded = true;
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changeShowed(position, true);
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} else {
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throw new RuntimeException("getKey retrieved more than one key ("
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+ canKeyRings.size() + ")");
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}
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} else {
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result.createNotify(mActivity).show();
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}
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changeProgress(position, false);
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}
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private void mergeEntryWithKey(ImportKeysListEntry entry, CanonicalizedKeyRing keyRing) {
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entry.setRevoked(keyRing.isRevoked());
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entry.setExpired(keyRing.isExpired());
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entry.setSecure(keyRing.isSecure());
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Date expectedDate = entry.getDate();
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Date creationDate = keyRing.getCreationDate();
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if (expectedDate == null) {
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entry.setDate(creationDate);
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} else if (!expectedDate.equals(creationDate)) {
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throw new AssertionError("Creation date doesn't match the expected one");
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}
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entry.setKeyId(keyRing.getMasterKeyId());
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ArrayList<String> realUserIdsPlusKeybase = keyRing.getUnorderedUserIds();
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realUserIdsPlusKeybase.addAll(entry.getKeybaseUserIds());
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entry.setUserIds(realUserIdsPlusKeybase);
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}
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private class KeyState {
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boolean mAlreadyPresent = false;
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boolean mVerified = false;
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boolean mProgress = false;
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boolean mDownloaded = false;
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boolean mShowed = false;
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}
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private void changeShowed(int position, boolean showed) {
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KeyState keyState = mKeyStates[position];
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keyState.mShowed = showed;
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notifyItemChanged(position);
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}
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private boolean isLoading(int position) {
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KeyState keyState = mKeyStates[position];
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return keyState.mProgress;
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}
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private void changeProgress(int position, boolean progress) {
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KeyState keyState = mKeyStates[position];
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keyState.mProgress = progress;
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notifyItemChanged(position);
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}
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}
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