131 lines
4.7 KiB
Java
131 lines
4.7 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.adapter;
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import android.content.Context;
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import android.support.v4.content.AsyncTaskLoader;
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import org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.util.HkpKeyServer;
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import org.sufficientlysecure.keychain.util.KeyServer;
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import org.sufficientlysecure.keychain.util.Log;
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import java.util.ArrayList;
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public class ImportKeysListServerLoader
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extends AsyncTaskLoader<AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>> {
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Context mContext;
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String mServerQuery;
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String mKeyServer;
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private ArrayList<ImportKeysListEntry> mEntryList = new ArrayList<ImportKeysListEntry>();
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private AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> mEntryListWrapper;
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public ImportKeysListServerLoader(Context context, String serverQuery, String keyServer) {
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super(context);
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mContext = context;
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mServerQuery = serverQuery;
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mKeyServer = keyServer;
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}
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@Override
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public AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> loadInBackground() {
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mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(mEntryList, null);
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if (mServerQuery == null) {
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Log.e(Constants.TAG, "mServerQuery is null!");
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return mEntryListWrapper;
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}
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if (mServerQuery.startsWith("0x") && mServerQuery.length() == 42) {
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Log.d(Constants.TAG, "This search is based on a unique fingerprint. Enforce a fingerprint check!");
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queryServer(mServerQuery, mKeyServer, true);
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} else {
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queryServer(mServerQuery, mKeyServer, false);
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}
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return mEntryListWrapper;
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}
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@Override
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protected void onReset() {
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super.onReset();
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// Ensure the loader is stopped
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onStopLoading();
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}
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@Override
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protected void onStartLoading() {
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forceLoad();
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}
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@Override
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protected void onStopLoading() {
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cancelLoad();
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}
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@Override
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public void deliverResult(AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> data) {
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super.deliverResult(data);
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}
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/**
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* Query keyserver
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*/
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private void queryServer(String query, String keyServer, boolean enforceFingerprint) {
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HkpKeyServer server = new HkpKeyServer(keyServer);
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try {
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ArrayList<ImportKeysListEntry> searchResult = server.search(query);
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mEntryList.clear();
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// add result to data
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if (enforceFingerprint) {
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String fingerprint = query.substring(2);
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Log.d(Constants.TAG, "fingerprint: " + fingerprint);
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// query must return only one result!
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if (searchResult.size() == 1) {
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ImportKeysListEntry uniqueEntry = searchResult.get(0);
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/*
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* set fingerprint explicitly after query
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* to enforce a check when the key is imported by KeychainIntentService
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*/
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uniqueEntry.setFingerPrintHex(fingerprint);
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uniqueEntry.setSelected(true);
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mEntryList.add(uniqueEntry);
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}
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} else {
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mEntryList.addAll(searchResult);
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}
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mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(mEntryList, null);
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} catch (KeyServer.InsufficientQuery e) {
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Log.e(Constants.TAG, "InsufficientQuery", e);
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mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(mEntryList, e);
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} catch (KeyServer.QueryException e) {
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Log.e(Constants.TAG, "QueryException", e);
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mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(mEntryList, e);
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} catch (KeyServer.TooManyResponses e) {
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Log.e(Constants.TAG, "TooManyResponses", e);
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mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(mEntryList, e);
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}
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}
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}
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