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/*
* Copyright (C) 2012-2014 Dominik Schürmann <dominik@dominikschuermann.de>
* Copyright (C) 2014 Vincent Breitmoser <v.breitmoser@mugenguild.com>
*
* 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.service;
import android.app.Service;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.IBinder;
import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;
import com.textuality.keybase.lib.Proof;
import com.textuality.keybase.lib.prover.Prover;
import org.json.JSONObject;
import org.spongycastle.openpgp.PGPUtil;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.keyimport.HkpKeyserver;
import org.sufficientlysecure.keychain.keyimport.Keyserver;
import org.sufficientlysecure.keychain.keyimport.ParcelableKeyRing;
import org.sufficientlysecure.keychain.operations.*;
import org.sufficientlysecure.keychain.operations.results.*;
import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog;
import org.sufficientlysecure.keychain.pgp.CanonicalizedPublicKeyRing;
import org.sufficientlysecure.keychain.pgp.PgpDecryptVerify;
import org.sufficientlysecure.keychain.pgp.PgpDecryptVerifyInputParcel;
import org.sufficientlysecure.keychain.pgp.Progressable;
import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralMsgIdException;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.service.input.CryptoInputParcel;
import org.sufficientlysecure.keychain.service.ServiceProgressHandler.MessageStatus;
import org.sufficientlysecure.keychain.util.Log;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
/**
* This Service contains all important long lasting operations for OpenKeychain. It receives Intents with
* data from the activities or other apps, executes them, and stops itself after doing them.
*/
public class KeychainService extends Service implements Progressable {
/* extras that can be given by intent */
public static final String EXTRA_MESSENGER = "messenger";
public static final String EXTRA_DATA = "data";
Messenger mMessenger;
@Override
public IBinder onBind(Intent intent) {
return null;
}
/**
* This is run on the main thread, we need to spawn a runnable which runs on another thread for the actual operation
*/
@Override
public int onStartCommand(final Intent intent, int flags, int startId) {
return START_NOT_STICKY;
}
private void sendProofError(List<String> log, String label) {
String msg = null;
label = (label == null) ? "" : label + ": ";
for (String m : log) {
Log.e(Constants.TAG, label + m);
msg = m;
}
sendProofError(label + msg);
}
private void sendProofError(String msg) {
Bundle bundle = new Bundle();
bundle.putString(ServiceProgressHandler.DATA_ERROR, msg);
sendMessageToHandler(MessageStatus.OKAY, bundle);
}
private void sendErrorToHandler(Exception e) {
// TODO: Implement a better exception handling here
// contextualize the exception, if necessary
String message;
if (e instanceof PgpGeneralMsgIdException) {
e = ((PgpGeneralMsgIdException) e).getContextualized(KeychainService.this);
message = e.getMessage();
} else {
message = e.getMessage();
}
Log.d(Constants.TAG, "KeychainService Exception: ", e);
Bundle data = new Bundle();
data.putString(ServiceProgressHandler.DATA_ERROR, message);
sendMessageToHandler(MessageStatus.EXCEPTION, null, data);
}
private void sendMessageToHandler(MessageStatus status, Integer arg2, Bundle data) {
Message msg = Message.obtain();
assert msg != null;
msg.arg1 = status.ordinal();
if (arg2 != null) {
msg.arg2 = arg2;
}
if (data != null) {
msg.setData(data);
}
try {
mMessenger.send(msg);
} catch (RemoteException e) {
Log.w(Constants.TAG, "Exception sending message, Is handler present?", e);
} catch (NullPointerException e) {
Log.w(Constants.TAG, "Messenger is null!", e);
}
}
private void sendMessageToHandler(MessageStatus status, OperationResult data) {
Bundle bundle = new Bundle();
bundle.putParcelable(OperationResult.EXTRA_RESULT, data);
sendMessageToHandler(status, null, bundle);
}
private void sendMessageToHandler(MessageStatus status, Bundle data) {
sendMessageToHandler(status, null, data);
}
private void sendMessageToHandler(MessageStatus status) {
sendMessageToHandler(status, null, null);
}
/**
* Set progress of ProgressDialog by sending message to handler on UI thread
*/
@Override
public void setProgress(String message, int progress, int max) {
Log.d(Constants.TAG, "Send message by setProgress with progress=" + progress + ", max="
+ max);
Bundle data = new Bundle();
if (message != null) {
data.putString(ServiceProgressHandler.DATA_MESSAGE, message);
}
data.putInt(ServiceProgressHandler.DATA_PROGRESS, progress);
data.putInt(ServiceProgressHandler.DATA_PROGRESS_MAX, max);
sendMessageToHandler(MessageStatus.UPDATE_PROGRESS, null, data);
}
@Override
public void setProgress(int resourceId, int progress, int max) {
setProgress(getString(resourceId), progress, max);
}
@Override
public void setProgress(int progress, int max) {
setProgress(null, progress, max);
}
@Override
public void setPreventCancel() {
sendMessageToHandler(MessageStatus.PREVENT_CANCEL);
}
}
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