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/*
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.ui.adapter;
import android.content.Context;
import android.support.v4.content.AsyncTaskLoader;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.util.Preferences;
import org.sufficientlysecure.keychain.keyimport.CloudSearch;
import org.sufficientlysecure.keychain.keyimport.ImportKeysListEntry;
import org.sufficientlysecure.keychain.util.Log;
import java.util.ArrayList;
public class ImportKeysListCloudLoader
extends AsyncTaskLoader<AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>> {
Context mContext;
Preferences.CloudSearchPrefs mCloudPrefs;
String mServerQuery;
private ArrayList<ImportKeysListEntry> mEntryList = new ArrayList<ImportKeysListEntry>();
private AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> mEntryListWrapper;
public ImportKeysListCloudLoader(Context context, String serverQuery, Preferences.CloudSearchPrefs cloudPrefs) {
super(context);
mContext = context;
mServerQuery = serverQuery;
mCloudPrefs = cloudPrefs;
}
@Override
public AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> loadInBackground() {
mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(mEntryList, null);
if (mServerQuery == null) {
Log.e(Constants.TAG, "mServerQuery is null!");
return mEntryListWrapper;
}
if (mServerQuery.startsWith("0x") && mServerQuery.length() == 42) {
Log.d(Constants.TAG, "This search is based on a unique fingerprint. Enforce a fingerprint check!");
queryServer(true);
} else {
queryServer(false);
}
return mEntryListWrapper;
}
@Override
protected void onReset() {
super.onReset();
// Ensure the loader is stopped
onStopLoading();
}
@Override
protected void onStartLoading() {
forceLoad();
}
@Override
protected void onStopLoading() {
cancelLoad();
}
@Override
public void deliverResult(AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> data) {
super.deliverResult(data);
}
/**
* Query keyserver
*/
private void queryServer(boolean enforceFingerprint) {
try {
ArrayList<ImportKeysListEntry> searchResult = CloudSearch.search(mServerQuery, mCloudPrefs);
mEntryList.clear();
// add result to data
if (enforceFingerprint) {
String fingerprint = mServerQuery.substring(2);
Log.d(Constants.TAG, "fingerprint: " + fingerprint);
// query must return only one result!
if (searchResult.size() == 1) {
ImportKeysListEntry uniqueEntry = searchResult.get(0);
/*
* set fingerprint explicitly after query
* to enforce a check when the key is imported by KeychainIntentService
*/
uniqueEntry.setFingerprintHex(fingerprint);
uniqueEntry.setSelected(true);
mEntryList.add(uniqueEntry);
}
} else {
mEntryList.addAll(searchResult);
}
mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(mEntryList, null);
} catch (Exception e) {
mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(mEntryList, e);
}
}
}
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