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package de.pixart.messenger.services;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.IBinder;
import android.os.PowerManager;
import android.os.PowerManager.WakeLock;
import android.preference.PreferenceManager;
import android.support.annotation.BoolRes;
import android.util.Log;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import javax.crypto.NoSuchPaddingException;
import de.pixart.messenger.Config;
import de.pixart.messenger.R;
import de.pixart.messenger.entities.Account;
import de.pixart.messenger.entities.Conversation;
import de.pixart.messenger.entities.Message;
import de.pixart.messenger.persistance.DatabaseBackend;
import de.pixart.messenger.persistance.FileBackend;
import de.pixart.messenger.utils.EncryptDecryptFile;
import de.pixart.messenger.utils.WakeLockHelper;
import rocks.xmpp.addr.Jid;
import static de.pixart.messenger.ui.SettingsActivity.USE_MULTI_ACCOUNTS;
public class ExportLogsService extends XmppConnectionService {
private static final SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
private static final String DIRECTORY_STRING_FORMAT = FileBackend.getAppLogsDirectory() + "%s";
private static final String MESSAGE_STRING_FORMAT = "(%s) %s: %s\n";
private static AtomicBoolean running = new AtomicBoolean(false);
boolean ReadableLogsEnabled = false;
private DatabaseBackend mDatabaseBackend;
private List<Account> mAccounts;
private WakeLock wakeLock;
private PowerManager pm;
@Override
public void onCreate() {
mDatabaseBackend = DatabaseBackend.getInstance(getBaseContext());
mAccounts = mDatabaseBackend.getAccounts();
final SharedPreferences ReadableLogs = PreferenceManager.getDefaultSharedPreferences(this);
ReadableLogsEnabled = ReadableLogs.getBoolean("export_plain_text_logs", getResources().getBoolean(R.bool.plain_text_logs));
pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "ExportLogsService");
this.startForeground(NotificationService.FOREGROUND_NOTIFICATION_ID, getNotificationService().exportLogsNotification());
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
if (running.compareAndSet(false, true)) {
new Thread(() -> {
startForcingForegroundNotification();
export();
stopForcingForegroundNotification();
WakeLockHelper.release(wakeLock);
running.set(false);
stopSelf();
}).start();
}
return START_NOT_STICKY;
}
private void export() {
wakeLock.acquire();
getNotificationService().exportLogsServiceNotification(getNotificationService().exportLogsNotification());
List<Conversation> conversations = mDatabaseBackend.getConversations(Conversation.STATUS_AVAILABLE);
conversations.addAll(mDatabaseBackend.getConversations(Conversation.STATUS_ARCHIVED));
if (mAccounts.size() >= 1) {
if (ReadableLogsEnabled) {
for (Conversation conversation : conversations) {
writeToFile(conversation);
}
}
try {
ExportDatabase();
} catch (IOException e) {
e.printStackTrace();
}
} else {
Log.d(Config.LOGTAG, "ExportLogsService: no accounts, aborting export");
}
}
private void writeToFile(Conversation conversation) {
Jid accountJid = resolveAccountUuid(conversation.getAccountUuid());
Jid contactJid = conversation.getJid();
File dir = new File(String.format(DIRECTORY_STRING_FORMAT, accountJid.asBareJid().toString()));
dir.mkdirs();
BufferedWriter bw = null;
try {
for (Message message : mDatabaseBackend.getMessagesIterable(conversation)) {
if (message == null)
continue;
if (message.getType() == Message.TYPE_TEXT || message.hasFileOnRemoteHost()) {
String date = simpleDateFormat.format(new Date(message.getTimeSent()));
if (bw == null) {
bw = new BufferedWriter(new FileWriter(
new File(dir, contactJid.asBareJid().toString() + ".txt")));
}
String jid = null;
switch (message.getStatus()) {
case Message.STATUS_RECEIVED:
jid = getMessageCounterpart(message);
break;
case Message.STATUS_SEND:
case Message.STATUS_SEND_RECEIVED:
case Message.STATUS_SEND_DISPLAYED:
jid = accountJid.asBareJid().toString();
break;
}
if (jid != null) {
String body = message.hasFileOnRemoteHost() ? message.getFileParams().url.toString() : message.getBody();
bw.write(String.format(MESSAGE_STRING_FORMAT, date, jid,
body.replace("\\\n", "\\ \n").replace("\n", "\\ \n")));
}
}
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (bw != null) {
bw.close();
}
} catch (IOException e1) {
e1.printStackTrace();
}
}
}
private Jid resolveAccountUuid(String accountUuid) {
for (Account account : mAccounts) {
if (account.getUuid().equals(accountUuid)) {
return account.getJid();
}
}
return null;
}
private String getMessageCounterpart(Message message) {
String trueCounterpart = (String) message.getContentValues().get(Message.TRUE_COUNTERPART);
if (trueCounterpart != null) {
return trueCounterpart;
} else {
return message.getCounterpart().toString();
}
}
public void ExportDatabase() throws IOException {
Log.d(Config.LOGTAG, "ExportLogsService: start creating backup");
Account mAccount = mAccounts.get(0);
String EncryptionKey = null;
// Get hold of the db:
FileInputStream InputFile = new FileInputStream(this.getDatabasePath(DatabaseBackend.DATABASE_NAME));
// Set the output folder on the SDcard
File directory = new File(FileBackend.getBackupDirectory());
// Create the folder if it doesn't exist:
if (!directory.exists()) {
boolean directory_created = directory.mkdirs();
Log.d(Config.LOGTAG, "ExportLogsService: backup directory created " + directory_created);
}
//Delete old database export file
File temp_db_file = new File(directory + "/database.bak");
if (temp_db_file.exists()) {
Log.d(Config.LOGTAG, "ExportLogsService: Delete temp database backup file from " + temp_db_file.toString());
boolean temp_db_file_deleted = temp_db_file.delete();
Log.d(Config.LOGTAG, "ExportLogsService: old backup file deleted " + temp_db_file_deleted);
}
// Set the output file stream up:
FileOutputStream OutputFile = new FileOutputStream(directory.getPath() + "/database.db.crypt");
if (mAccounts.size() == 1 && !multipleAccounts()) {
EncryptionKey = mAccount.getPassword(); //get account password
} else {
SharedPreferences multiaccount_prefs = getApplicationContext().getSharedPreferences(USE_MULTI_ACCOUNTS, Context.MODE_PRIVATE);
EncryptionKey = multiaccount_prefs.getString("BackupPW", null);
}
if (EncryptionKey == null) {
Log.d(Config.LOGTAG, "ExportLogsService: Database exporter: failed to write encryted backup to sdcard because of missing password");
return;
}
// encrypt database from the input file to the output file
try {
EncryptDecryptFile.encrypt(InputFile, OutputFile, EncryptionKey);
Log.d(Config.LOGTAG, "ExportLogsService: starting encrypted output to " + OutputFile.toString());
} catch (NoSuchAlgorithmException | NoSuchPaddingException e) {
Log.d(Config.LOGTAG, "ExportLogsService: Database exporter: encryption failed with " + e);
e.printStackTrace();
} catch (InvalidKeyException e) {
Log.d(Config.LOGTAG, "ExportLogsService: Database exporter: encryption failed (invalid key) with " + e);
e.printStackTrace();
} catch (IOException e) {
Log.d(Config.LOGTAG, "ExportLogsService: Database exporter: encryption failed (IO) with " + e);
e.printStackTrace();
} finally {
Log.d(Config.LOGTAG, "ExportLogsService: backup job finished");
}
}
@Override
public IBinder onBind(Intent intent) {
return null;
}
public SharedPreferences getPreferences() {
return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
}
public boolean getBooleanPreference(String name, @BoolRes int res) {
return getPreferences().getBoolean(name, getResources().getBoolean(res));
}
public boolean multipleAccounts() {
return getBooleanPreference("enable_multi_accounts", R.bool.enable_multi_accounts);
}
}
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