XmppConnectionService.java

   1package eu.siacs.conversations.services;
   2
   3import android.Manifest;
   4import android.annotation.SuppressLint;
   5import android.annotation.TargetApi;
   6import android.app.AlarmManager;
   7import android.app.Notification;
   8import android.app.NotificationManager;
   9import android.app.PendingIntent;
  10import android.app.Service;
  11import android.content.BroadcastReceiver;
  12import android.content.ComponentName;
  13import android.content.Context;
  14import android.content.Intent;
  15import android.content.IntentFilter;
  16import android.content.SharedPreferences;
  17import android.content.pm.PackageManager;
  18import android.database.ContentObserver;
  19import android.graphics.Bitmap;
  20import android.media.AudioManager;
  21import android.net.ConnectivityManager;
  22import android.net.NetworkInfo;
  23import android.net.Uri;
  24import android.os.Binder;
  25import android.os.Build;
  26import android.os.Bundle;
  27import android.os.Environment;
  28import android.os.IBinder;
  29import android.os.PowerManager;
  30import android.os.PowerManager.WakeLock;
  31import android.os.SystemClock;
  32import android.preference.PreferenceManager;
  33import android.provider.ContactsContract;
  34import android.security.KeyChain;
  35import android.support.annotation.BoolRes;
  36import android.support.annotation.IntegerRes;
  37import android.support.v4.app.RemoteInput;
  38import android.support.v4.content.ContextCompat;
  39import android.text.TextUtils;
  40import android.util.DisplayMetrics;
  41import android.util.Log;
  42import android.util.LruCache;
  43import android.util.Pair;
  44
  45import org.conscrypt.Conscrypt;
  46import org.openintents.openpgp.IOpenPgpService2;
  47import org.openintents.openpgp.util.OpenPgpApi;
  48import org.openintents.openpgp.util.OpenPgpServiceConnection;
  49
  50import java.io.File;
  51import java.net.URL;
  52import java.security.SecureRandom;
  53import java.security.Security;
  54import java.security.cert.CertificateException;
  55import java.security.cert.X509Certificate;
  56import java.util.ArrayList;
  57import java.util.Arrays;
  58import java.util.Collection;
  59import java.util.Collections;
  60import java.util.HashMap;
  61import java.util.HashSet;
  62import java.util.Hashtable;
  63import java.util.Iterator;
  64import java.util.List;
  65import java.util.ListIterator;
  66import java.util.Map;
  67import java.util.Set;
  68import java.util.WeakHashMap;
  69import java.util.concurrent.CopyOnWriteArrayList;
  70import java.util.concurrent.CountDownLatch;
  71import java.util.concurrent.ExecutorService;
  72import java.util.concurrent.Executors;
  73import java.util.concurrent.ThreadPoolExecutor;
  74import java.util.concurrent.atomic.AtomicBoolean;
  75import java.util.concurrent.atomic.AtomicLong;
  76
  77
  78import eu.siacs.conversations.Config;
  79import eu.siacs.conversations.R;
  80import eu.siacs.conversations.android.JabberIdContact;
  81import eu.siacs.conversations.crypto.OmemoSetting;
  82import eu.siacs.conversations.crypto.PgpDecryptionService;
  83import eu.siacs.conversations.crypto.PgpEngine;
  84import eu.siacs.conversations.crypto.axolotl.AxolotlService;
  85import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
  86import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
  87import eu.siacs.conversations.entities.Account;
  88import eu.siacs.conversations.entities.Blockable;
  89import eu.siacs.conversations.entities.Bookmark;
  90import eu.siacs.conversations.entities.Contact;
  91import eu.siacs.conversations.entities.Conversation;
  92import eu.siacs.conversations.entities.Conversational;
  93import eu.siacs.conversations.entities.Message;
  94import eu.siacs.conversations.entities.MucOptions;
  95import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
  96import eu.siacs.conversations.entities.Presence;
  97import eu.siacs.conversations.entities.PresenceTemplate;
  98import eu.siacs.conversations.entities.Roster;
  99import eu.siacs.conversations.entities.ServiceDiscoveryResult;
 100import eu.siacs.conversations.generator.AbstractGenerator;
 101import eu.siacs.conversations.generator.IqGenerator;
 102import eu.siacs.conversations.generator.MessageGenerator;
 103import eu.siacs.conversations.generator.PresenceGenerator;
 104import eu.siacs.conversations.http.HttpConnectionManager;
 105import eu.siacs.conversations.http.CustomURLStreamHandlerFactory;
 106import eu.siacs.conversations.http.services.MuclumbusService;
 107import eu.siacs.conversations.parser.AbstractParser;
 108import eu.siacs.conversations.parser.IqParser;
 109import eu.siacs.conversations.parser.MessageParser;
 110import eu.siacs.conversations.parser.PresenceParser;
 111import eu.siacs.conversations.persistance.DatabaseBackend;
 112import eu.siacs.conversations.persistance.FileBackend;
 113import eu.siacs.conversations.ui.ChooseAccountForProfilePictureActivity;
 114import eu.siacs.conversations.ui.SettingsActivity;
 115import eu.siacs.conversations.ui.UiCallback;
 116import eu.siacs.conversations.ui.interfaces.OnAvatarPublication;
 117import eu.siacs.conversations.ui.interfaces.OnMediaLoaded;
 118import eu.siacs.conversations.ui.interfaces.OnSearchResultsAvailable;
 119import eu.siacs.conversations.utils.Compatibility;
 120import eu.siacs.conversations.utils.ConversationsFileObserver;
 121import eu.siacs.conversations.utils.CryptoHelper;
 122import eu.siacs.conversations.utils.ExceptionHelper;
 123import eu.siacs.conversations.utils.MimeUtils;
 124import eu.siacs.conversations.utils.PhoneHelper;
 125import eu.siacs.conversations.utils.QuickLoader;
 126import eu.siacs.conversations.utils.ReplacingSerialSingleThreadExecutor;
 127import eu.siacs.conversations.utils.ReplacingTaskManager;
 128import eu.siacs.conversations.utils.Resolver;
 129import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
 130import eu.siacs.conversations.utils.StringUtils;
 131import eu.siacs.conversations.utils.WakeLockHelper;
 132import eu.siacs.conversations.xml.Namespace;
 133import eu.siacs.conversations.utils.XmppUri;
 134import eu.siacs.conversations.xml.Element;
 135import eu.siacs.conversations.xmpp.OnBindListener;
 136import eu.siacs.conversations.xmpp.OnContactStatusChanged;
 137import eu.siacs.conversations.xmpp.OnIqPacketReceived;
 138import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
 139import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
 140import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 141import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
 142import eu.siacs.conversations.xmpp.OnStatusChanged;
 143import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
 144import eu.siacs.conversations.xmpp.Patches;
 145import eu.siacs.conversations.xmpp.XmppConnection;
 146import eu.siacs.conversations.xmpp.chatstate.ChatState;
 147import eu.siacs.conversations.xmpp.forms.Data;
 148import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 149import eu.siacs.conversations.xmpp.jingle.OnJinglePacketReceived;
 150import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
 151import eu.siacs.conversations.xmpp.mam.MamReference;
 152import eu.siacs.conversations.xmpp.pep.Avatar;
 153import eu.siacs.conversations.xmpp.pep.PublishOptions;
 154import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 155import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 156import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 157import me.leolin.shortcutbadger.ShortcutBadger;
 158import retrofit2.Call;
 159import retrofit2.Callback;
 160import retrofit2.Response;
 161import retrofit2.Retrofit;
 162import retrofit2.converter.gson.GsonConverterFactory;
 163import rocks.xmpp.addr.Jid;
 164
 165public class XmppConnectionService extends Service {
 166
 167    public static final String ACTION_REPLY_TO_CONVERSATION = "reply_to_conversations";
 168    public static final String ACTION_MARK_AS_READ = "mark_as_read";
 169    public static final String ACTION_SNOOZE = "snooze";
 170    public static final String ACTION_CLEAR_NOTIFICATION = "clear_notification";
 171    public static final String ACTION_DISMISS_ERROR_NOTIFICATIONS = "dismiss_error";
 172    public static final String ACTION_TRY_AGAIN = "try_again";
 173    public static final String ACTION_IDLE_PING = "idle_ping";
 174    public static final String ACTION_FCM_TOKEN_REFRESH = "fcm_token_refresh";
 175    public static final String ACTION_FCM_MESSAGE_RECEIVED = "fcm_message_received";
 176    private static final String ACTION_POST_CONNECTIVITY_CHANGE = "eu.siacs.conversations.POST_CONNECTIVITY_CHANGE";
 177
 178    private static final String SETTING_LAST_ACTIVITY_TS = "last_activity_timestamp";
 179
 180    static {
 181        URL.setURLStreamHandlerFactory(new CustomURLStreamHandlerFactory());
 182    }
 183
 184    public final CountDownLatch restoredFromDatabaseLatch = new CountDownLatch(1);
 185    private final SerialSingleThreadExecutor mFileAddingExecutor = new SerialSingleThreadExecutor("FileAdding");
 186    private final SerialSingleThreadExecutor mVideoCompressionExecutor = new SerialSingleThreadExecutor("VideoCompression");
 187    private final SerialSingleThreadExecutor mDatabaseWriterExecutor = new SerialSingleThreadExecutor("DatabaseWriter");
 188    private final SerialSingleThreadExecutor mDatabaseReaderExecutor = new SerialSingleThreadExecutor("DatabaseReader");
 189    private final SerialSingleThreadExecutor mNotificationExecutor = new SerialSingleThreadExecutor("NotificationExecutor");
 190    private final ReplacingTaskManager mRosterSyncTaskManager = new ReplacingTaskManager();
 191    private final IBinder mBinder = new XmppConnectionBinder();
 192    private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 193    private final IqGenerator mIqGenerator = new IqGenerator(this);
 194    private final Set<String> mInProgressAvatarFetches = new HashSet<>();
 195    private final Set<String> mOmittedPepAvatarFetches = new HashSet<>();
 196    private final HashSet<Jid> mLowPingTimeoutMode = new HashSet<>();
 197    private final OnIqPacketReceived mDefaultIqHandler = (account, packet) -> {
 198        if (packet.getType() != IqPacket.TYPE.RESULT) {
 199            Element error = packet.findChild("error");
 200            String text = error != null ? error.findChildContent("text") : null;
 201            if (text != null) {
 202                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received iq error - " + text);
 203            }
 204        }
 205    };
 206    public DatabaseBackend databaseBackend;
 207    private ReplacingSerialSingleThreadExecutor mContactMergerExecutor = new ReplacingSerialSingleThreadExecutor("ContactMerger");
 208    private long mLastActivity = 0;
 209    private FileBackend fileBackend = new FileBackend(this);
 210    private MemorizingTrustManager mMemorizingTrustManager;
 211    private NotificationService mNotificationService = new NotificationService(this);
 212    private ChannelDiscoveryService mChannelDiscoveryService = new ChannelDiscoveryService(this);
 213    private ShortcutService mShortcutService = new ShortcutService(this);
 214    private AtomicBoolean mInitialAddressbookSyncCompleted = new AtomicBoolean(false);
 215    private AtomicBoolean mForceForegroundService = new AtomicBoolean(false);
 216    private AtomicBoolean mForceDuringOnCreate = new AtomicBoolean(false);
 217    private OnMessagePacketReceived mMessageParser = new MessageParser(this);
 218    private OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 219    private IqParser mIqParser = new IqParser(this);
 220    private MessageGenerator mMessageGenerator = new MessageGenerator(this);
 221    public OnContactStatusChanged onContactStatusChanged = (contact, online) -> {
 222        Conversation conversation = find(getConversations(), contact);
 223        if (conversation != null) {
 224            if (online) {
 225                if (contact.getPresences().size() == 1) {
 226                    sendUnsentMessages(conversation);
 227                }
 228            }
 229        }
 230    };
 231    private PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 232    private List<Account> accounts;
 233    private JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(
 234            this);
 235    private final OnJinglePacketReceived jingleListener = new OnJinglePacketReceived() {
 236
 237        @Override
 238        public void onJinglePacketReceived(Account account, JinglePacket packet) {
 239            mJingleConnectionManager.deliverPacket(account, packet);
 240        }
 241    };
 242    private HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(this);
 243    private AvatarService mAvatarService = new AvatarService(this);
 244    private MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 245    private PushManagementService mPushManagementService = new PushManagementService(this);
 246    private QuickConversationsService mQuickConversationsService = new QuickConversationsService(this);
 247    private final ConversationsFileObserver fileObserver = new ConversationsFileObserver(
 248            Environment.getExternalStorageDirectory().getAbsolutePath()
 249    ) {
 250        @Override
 251        public void onEvent(int event, String path) {
 252            markFileDeleted(path);
 253        }
 254    };
 255    private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 256
 257        @Override
 258        public boolean onMessageAcknowledged(Account account, String uuid) {
 259            for (final Conversation conversation : getConversations()) {
 260                if (conversation.getAccount() == account) {
 261                    Message message = conversation.findUnsentMessageWithUuid(uuid);
 262                    if (message != null) {
 263                        message.setStatus(Message.STATUS_SEND);
 264                        message.setErrorMessage(null);
 265                        databaseBackend.updateMessage(message, false);
 266                        return true;
 267                    }
 268                }
 269            }
 270            return false;
 271        }
 272    };
 273
 274    private boolean destroyed = false;
 275
 276    private int unreadCount = -1;
 277
 278    //Ui callback listeners
 279    private final Set<OnConversationUpdate> mOnConversationUpdates = Collections.newSetFromMap(new WeakHashMap<OnConversationUpdate, Boolean>());
 280    private final Set<OnShowErrorToast> mOnShowErrorToasts = Collections.newSetFromMap(new WeakHashMap<OnShowErrorToast, Boolean>());
 281    private final Set<OnAccountUpdate> mOnAccountUpdates = Collections.newSetFromMap(new WeakHashMap<OnAccountUpdate, Boolean>());
 282    private final Set<OnCaptchaRequested> mOnCaptchaRequested = Collections.newSetFromMap(new WeakHashMap<OnCaptchaRequested, Boolean>());
 283    private final Set<OnRosterUpdate> mOnRosterUpdates = Collections.newSetFromMap(new WeakHashMap<OnRosterUpdate, Boolean>());
 284    private final Set<OnUpdateBlocklist> mOnUpdateBlocklist = Collections.newSetFromMap(new WeakHashMap<OnUpdateBlocklist, Boolean>());
 285    private final Set<OnMucRosterUpdate> mOnMucRosterUpdate = Collections.newSetFromMap(new WeakHashMap<OnMucRosterUpdate, Boolean>());
 286    private final Set<OnKeyStatusUpdated> mOnKeyStatusUpdated = Collections.newSetFromMap(new WeakHashMap<OnKeyStatusUpdated, Boolean>());
 287
 288    private final Object LISTENER_LOCK = new Object();
 289
 290
 291    private final OnBindListener mOnBindListener = new OnBindListener() {
 292
 293        @Override
 294        public void onBind(final Account account) {
 295            synchronized (mInProgressAvatarFetches) {
 296                for (Iterator<String> iterator = mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
 297                    final String KEY = iterator.next();
 298                    if (KEY.startsWith(account.getJid().asBareJid() + "_")) {
 299                        iterator.remove();
 300                    }
 301                }
 302            }
 303            boolean loggedInSuccessfully = account.setOption(Account.OPTION_LOGGED_IN_SUCCESSFULLY, true);
 304            boolean gainedFeature = account.setOption(Account.OPTION_HTTP_UPLOAD_AVAILABLE, account.getXmppConnection().getFeatures().httpUpload(0));
 305            if (loggedInSuccessfully || gainedFeature) {
 306                databaseBackend.updateAccount(account);
 307            }
 308
 309            if (loggedInSuccessfully) {
 310                if (!TextUtils.isEmpty(account.getDisplayName())) {
 311                    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": display name wasn't empty on first log in. publishing");
 312                    publishDisplayName(account);
 313                }
 314            }
 315
 316            account.getRoster().clearPresences();
 317            synchronized (account.inProgressConferenceJoins) {
 318                account.inProgressConferenceJoins.clear();
 319            }
 320            synchronized (account.inProgressConferencePings) {
 321                account.inProgressConferencePings.clear();
 322            }
 323            mJingleConnectionManager.cancelInTransmission();
 324            mQuickConversationsService.considerSyncBackground(false);
 325            fetchRosterFromServer(account);
 326            if (!account.getXmppConnection().getFeatures().bookmarksConversion()) {
 327                fetchBookmarks(account);
 328            }
 329            final boolean flexible = account.getXmppConnection().getFeatures().flexibleOfflineMessageRetrieval();
 330            final boolean catchup = getMessageArchiveService().inCatchup(account);
 331            if (flexible && catchup && account.getXmppConnection().isMamPreferenceAlways()) {
 332                sendIqPacket(account, mIqGenerator.purgeOfflineMessages(), (acc, packet) -> {
 333                    if (packet.getType() == IqPacket.TYPE.RESULT) {
 334                        Log.d(Config.LOGTAG, acc.getJid().asBareJid() + ": successfully purged offline messages");
 335                    }
 336                });
 337            }
 338            sendPresence(account);
 339            if (mPushManagementService.available(account)) {
 340                mPushManagementService.registerPushTokenOnServer(account);
 341            }
 342            connectMultiModeConversations(account);
 343            syncDirtyContacts(account);
 344        }
 345    };
 346    private AtomicLong mLastExpiryRun = new AtomicLong(0);
 347    private SecureRandom mRandom;
 348    private LruCache<Pair<String, String>, ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 349    private OnStatusChanged statusListener = new OnStatusChanged() {
 350
 351        @Override
 352        public void onStatusChanged(final Account account) {
 353            XmppConnection connection = account.getXmppConnection();
 354            updateAccountUi();
 355
 356            if (account.getStatus() == Account.State.ONLINE || account.getStatus().isError()) {
 357                mQuickConversationsService.signalAccountStateChange();
 358            }
 359
 360            if (account.getStatus() == Account.State.ONLINE) {
 361                synchronized (mLowPingTimeoutMode) {
 362                    if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 363                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 364                    }
 365                }
 366                if (account.setShowErrorNotification(true)) {
 367                    databaseBackend.updateAccount(account);
 368                }
 369                mMessageArchiveService.executePendingQueries(account);
 370                if (connection != null && connection.getFeatures().csi()) {
 371                    if (checkListeners()) {
 372                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//inactive");
 373                        connection.sendInactive();
 374                    } else {
 375                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//active");
 376                        connection.sendActive();
 377                    }
 378                }
 379                List<Conversation> conversations = getConversations();
 380                for (Conversation conversation : conversations) {
 381                    final boolean inProgressJoin;
 382                    synchronized (account.inProgressConferenceJoins) {
 383                        inProgressJoin = account.inProgressConferenceJoins.contains(conversation);
 384                    }
 385                    if (conversation.getAccount() == account
 386                            && !account.pendingConferenceJoins.contains(conversation)
 387                            && !inProgressJoin) {
 388                        sendUnsentMessages(conversation);
 389                    }
 390                }
 391                for (Conversation conversation : account.pendingConferenceLeaves) {
 392                    leaveMuc(conversation);
 393                }
 394                account.pendingConferenceLeaves.clear();
 395                for (Conversation conversation : account.pendingConferenceJoins) {
 396                    joinMuc(conversation);
 397                }
 398                account.pendingConferenceJoins.clear();
 399                scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 400            } else if (account.getStatus() == Account.State.OFFLINE || account.getStatus() == Account.State.DISABLED) {
 401                resetSendingToWaiting(account);
 402                if (account.isEnabled() && isInLowPingTimeoutMode(account)) {
 403                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": went into offline state during low ping mode. reconnecting now");
 404                    reconnectAccount(account, true, false);
 405                } else {
 406                    int timeToReconnect = mRandom.nextInt(10) + 2;
 407                    scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 408                }
 409            } else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 410                databaseBackend.updateAccount(account);
 411                reconnectAccount(account, true, false);
 412            } else if (account.getStatus() != Account.State.CONNECTING && account.getStatus() != Account.State.NO_INTERNET) {
 413                resetSendingToWaiting(account);
 414                if (connection != null && account.getStatus().isAttemptReconnect()) {
 415                    final int next = connection.getTimeToNextAttempt();
 416                    final boolean lowPingTimeoutMode = isInLowPingTimeoutMode(account);
 417                    if (next <= 0) {
 418                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. reconnecting now. lowPingTimeout=" + Boolean.toString(lowPingTimeoutMode));
 419                        reconnectAccount(account, true, false);
 420                    } else {
 421                        final int attempt = connection.getAttempt() + 1;
 422                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. try again in " + next + "s for the " + attempt + " time. lowPingTimeout=" + Boolean.toString(lowPingTimeoutMode));
 423                        scheduleWakeUpCall(next, account.getUuid().hashCode());
 424                    }
 425                }
 426            }
 427            getNotificationService().updateErrorNotification();
 428        }
 429    };
 430    private OpenPgpServiceConnection pgpServiceConnection;
 431    private PgpEngine mPgpEngine = null;
 432    private WakeLock wakeLock;
 433    private PowerManager pm;
 434    private LruCache<String, Bitmap> mBitmapCache;
 435    private BroadcastReceiver mInternalEventReceiver = new InternalEventReceiver();
 436    private BroadcastReceiver mInternalScreenEventReceiver = new InternalEventReceiver();
 437
 438    private static String generateFetchKey(Account account, final Avatar avatar) {
 439        return account.getJid().asBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 440    }
 441
 442    private boolean isInLowPingTimeoutMode(Account account) {
 443        synchronized (mLowPingTimeoutMode) {
 444            return mLowPingTimeoutMode.contains(account.getJid().asBareJid());
 445        }
 446    }
 447
 448    public void startForcingForegroundNotification() {
 449        mForceForegroundService.set(true);
 450        toggleForegroundService();
 451    }
 452
 453    public void stopForcingForegroundNotification() {
 454        mForceForegroundService.set(false);
 455        toggleForegroundService();
 456    }
 457
 458    public boolean areMessagesInitialized() {
 459        return this.restoredFromDatabaseLatch.getCount() == 0;
 460    }
 461
 462    public PgpEngine getPgpEngine() {
 463        if (!Config.supportOpenPgp()) {
 464            return null;
 465        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 466            if (this.mPgpEngine == null) {
 467                this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 468                        getApplicationContext(),
 469                        pgpServiceConnection.getService()), this);
 470            }
 471            return mPgpEngine;
 472        } else {
 473            return null;
 474        }
 475
 476    }
 477
 478    public OpenPgpApi getOpenPgpApi() {
 479        if (!Config.supportOpenPgp()) {
 480            return null;
 481        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 482            return new OpenPgpApi(this, pgpServiceConnection.getService());
 483        } else {
 484            return null;
 485        }
 486    }
 487
 488    public FileBackend getFileBackend() {
 489        return this.fileBackend;
 490    }
 491
 492    public AvatarService getAvatarService() {
 493        return this.mAvatarService;
 494    }
 495
 496    public void attachLocationToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 497        int encryption = conversation.getNextEncryption();
 498        if (encryption == Message.ENCRYPTION_PGP) {
 499            encryption = Message.ENCRYPTION_DECRYPTED;
 500        }
 501        Message message = new Message(conversation, uri.toString(), encryption);
 502        Message.configurePrivateMessage(message);
 503        if (encryption == Message.ENCRYPTION_DECRYPTED) {
 504            getPgpEngine().encrypt(message, callback);
 505        } else {
 506            sendMessage(message);
 507            callback.success(message);
 508        }
 509    }
 510
 511    public void attachFileToConversation(final Conversation conversation, final Uri uri, final String type, final UiCallback<Message> callback) {
 512        final Message message;
 513        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 514            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 515        } else {
 516            message = new Message(conversation, "", conversation.getNextEncryption());
 517        }
 518        if (!Message.configurePrivateFileMessage(message)) {
 519            message.setCounterpart(conversation.getNextCounterpart());
 520            message.setType(Message.TYPE_FILE);
 521        }
 522        Log.d(Config.LOGTAG,"attachFile: type="+message.getType());
 523        Log.d(Config.LOGTAG,"counterpart="+message.getCounterpart());
 524        final AttachFileToConversationRunnable runnable = new AttachFileToConversationRunnable(this, uri, type, message, callback);
 525        if (runnable.isVideoMessage()) {
 526            mVideoCompressionExecutor.execute(runnable);
 527        } else {
 528            mFileAddingExecutor.execute(runnable);
 529        }
 530    }
 531
 532    public void attachImageToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 533        final String mimeType = MimeUtils.guessMimeTypeFromUri(this, uri);
 534        final String compressPictures = getCompressPicturesPreference();
 535
 536        if ("never".equals(compressPictures)
 537                || ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))
 538                || (mimeType != null && mimeType.endsWith("/gif"))
 539                || getFileBackend().unusualBounds(uri)) {
 540            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": not compressing picture. sending as file");
 541            attachFileToConversation(conversation, uri, mimeType, callback);
 542            return;
 543        }
 544        final Message message;
 545        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 546            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 547        } else {
 548            message = new Message(conversation, "", conversation.getNextEncryption());
 549        }
 550        if (!Message.configurePrivateFileMessage(message)) {
 551            message.setCounterpart(conversation.getNextCounterpart());
 552            message.setType(Message.TYPE_IMAGE);
 553        }
 554        Log.d(Config.LOGTAG,"attachImage: type="+message.getType());
 555        mFileAddingExecutor.execute(() -> {
 556            try {
 557                getFileBackend().copyImageToPrivateStorage(message, uri);
 558                if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 559                    final PgpEngine pgpEngine = getPgpEngine();
 560                    if (pgpEngine != null) {
 561                        pgpEngine.encrypt(message, callback);
 562                    } else if (callback != null) {
 563                        callback.error(R.string.unable_to_connect_to_keychain, null);
 564                    }
 565                } else {
 566                    sendMessage(message);
 567                    callback.success(message);
 568                }
 569            } catch (final FileBackend.FileCopyException e) {
 570                callback.error(e.getResId(), message);
 571            }
 572        });
 573    }
 574
 575    public Conversation find(Bookmark bookmark) {
 576        return find(bookmark.getAccount(), bookmark.getJid());
 577    }
 578
 579    public Conversation find(final Account account, final Jid jid) {
 580        return find(getConversations(), account, jid);
 581    }
 582
 583    public boolean isMuc(final Account account, final Jid jid) {
 584        final Conversation c = find(account, jid);
 585        return c != null && c.getMode() == Conversational.MODE_MULTI;
 586    }
 587
 588    public void search(List<String> term, OnSearchResultsAvailable onSearchResultsAvailable) {
 589        MessageSearchTask.search(this, term, onSearchResultsAvailable);
 590    }
 591
 592    @Override
 593    public int onStartCommand(Intent intent, int flags, int startId) {
 594        final String action = intent == null ? null : intent.getAction();
 595        final boolean needsForegroundService = intent != null && intent.getBooleanExtra(EventReceiver.EXTRA_NEEDS_FOREGROUND_SERVICE, false);
 596        if (needsForegroundService) {
 597            Log.d(Config.LOGTAG,"toggle forced foreground service after receiving event (action="+action+")");
 598            toggleForegroundService(true);
 599        }
 600        String pushedAccountHash = null;
 601        String pushedChannelHash = null;
 602        boolean interactive = false;
 603        if (action != null) {
 604            final String uuid = intent.getStringExtra("uuid");
 605            switch (action) {
 606                case ConnectivityManager.CONNECTIVITY_ACTION:
 607                    if (hasInternetConnection()) {
 608                        if (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0) {
 609                            schedulePostConnectivityChange();
 610                        }
 611                        if (Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 612                            resetAllAttemptCounts(true, false);
 613                        }
 614                    }
 615                    break;
 616                case Intent.ACTION_SHUTDOWN:
 617                    logoutAndSave(true);
 618                    return START_NOT_STICKY;
 619                case ACTION_CLEAR_NOTIFICATION:
 620                    mNotificationExecutor.execute(() -> {
 621                        try {
 622                            final Conversation c = findConversationByUuid(uuid);
 623                            if (c != null) {
 624                                mNotificationService.clear(c);
 625                            } else {
 626                                mNotificationService.clear();
 627                            }
 628                            restoredFromDatabaseLatch.await();
 629
 630                        } catch (InterruptedException e) {
 631                            Log.d(Config.LOGTAG, "unable to process clear notification");
 632                        }
 633                    });
 634                    break;
 635                case ACTION_DISMISS_ERROR_NOTIFICATIONS:
 636                    dismissErrorNotifications();
 637                    break;
 638                case ACTION_TRY_AGAIN:
 639                    resetAllAttemptCounts(false, true);
 640                    interactive = true;
 641                    break;
 642                case ACTION_REPLY_TO_CONVERSATION:
 643                    Bundle remoteInput = RemoteInput.getResultsFromIntent(intent);
 644                    if (remoteInput == null) {
 645                        break;
 646                    }
 647                    final CharSequence body = remoteInput.getCharSequence("text_reply");
 648                    final boolean dismissNotification = intent.getBooleanExtra("dismiss_notification", false);
 649                    if (body == null || body.length() <= 0) {
 650                        break;
 651                    }
 652                    mNotificationExecutor.execute(() -> {
 653                        try {
 654                            restoredFromDatabaseLatch.await();
 655                            final Conversation c = findConversationByUuid(uuid);
 656                            if (c != null) {
 657                                directReply(c, body.toString(), dismissNotification);
 658                            }
 659                        } catch (InterruptedException e) {
 660                            Log.d(Config.LOGTAG, "unable to process direct reply");
 661                        }
 662                    });
 663                    break;
 664                case ACTION_MARK_AS_READ:
 665                    mNotificationExecutor.execute(() -> {
 666                        final Conversation c = findConversationByUuid(uuid);
 667                        if (c == null) {
 668                            Log.d(Config.LOGTAG, "received mark read intent for unknown conversation (" + uuid + ")");
 669                            return;
 670                        }
 671                        try {
 672                            restoredFromDatabaseLatch.await();
 673                            sendReadMarker(c, null);
 674                        } catch (InterruptedException e) {
 675                            Log.d(Config.LOGTAG, "unable to process notification read marker for conversation " + c.getName());
 676                        }
 677
 678                    });
 679                    break;
 680                case ACTION_SNOOZE:
 681                    mNotificationExecutor.execute(() -> {
 682                        final Conversation c = findConversationByUuid(uuid);
 683                        if (c == null) {
 684                            Log.d(Config.LOGTAG, "received snooze intent for unknown conversation (" + uuid + ")");
 685                            return;
 686                        }
 687                        c.setMutedTill(System.currentTimeMillis() + 30 * 60 * 1000);
 688                        mNotificationService.clear(c);
 689                        updateConversation(c);
 690                    });
 691                case AudioManager.RINGER_MODE_CHANGED_ACTION:
 692                case NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED:
 693                    if (dndOnSilentMode()) {
 694                        refreshAllPresences();
 695                    }
 696                    break;
 697                case Intent.ACTION_SCREEN_ON:
 698                    deactivateGracePeriod();
 699                case Intent.ACTION_SCREEN_OFF:
 700                    if (awayWhenScreenOff()) {
 701                        refreshAllPresences();
 702                    }
 703                    break;
 704                case ACTION_FCM_TOKEN_REFRESH:
 705                    refreshAllFcmTokens();
 706                    break;
 707                case ACTION_IDLE_PING:
 708                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 709                        scheduleNextIdlePing();
 710                    }
 711                    break;
 712                case ACTION_FCM_MESSAGE_RECEIVED:
 713                    pushedAccountHash = intent.getStringExtra("account");
 714                    pushedChannelHash = intent.getStringExtra("channel");
 715                    Log.d(Config.LOGTAG, "push message arrived in service. account=" + pushedAccountHash);
 716                    break;
 717                case Intent.ACTION_SEND:
 718                    Uri uri = intent.getData();
 719                    if (uri != null) {
 720                        Log.d(Config.LOGTAG, "received uri permission for " + uri.toString());
 721                    }
 722                    return START_STICKY;
 723            }
 724        }
 725        synchronized (this) {
 726            WakeLockHelper.acquire(wakeLock);
 727            boolean pingNow = ConnectivityManager.CONNECTIVITY_ACTION.equals(action) || (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0 && ACTION_POST_CONNECTIVITY_CHANGE.equals(action));
 728            final HashSet<Account> pingCandidates = new HashSet<>();
 729            final String androidId = PhoneHelper.getAndroidId(this);
 730            for (Account account : accounts) {
 731                final boolean pushWasMeantForThisAccount = CryptoHelper.getAccountFingerprint(account, androidId).equals(pushedAccountHash);
 732                pingNow |= processAccountState(account,
 733                        interactive,
 734                        "ui".equals(action),
 735                        pushWasMeantForThisAccount,
 736                        pingCandidates);
 737                if (pushWasMeantForThisAccount && pushedChannelHash != null) {
 738                    checkMucStillJoined(account, pushedAccountHash, androidId);
 739                }
 740            }
 741            if (pingNow) {
 742                for (Account account : pingCandidates) {
 743                    final boolean lowTimeout = isInLowPingTimeoutMode(account);
 744                    account.getXmppConnection().sendPing();
 745                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + " send ping (action=" + action + ",lowTimeout=" + Boolean.toString(lowTimeout) + ")");
 746                    scheduleWakeUpCall(lowTimeout ? Config.LOW_PING_TIMEOUT : Config.PING_TIMEOUT, account.getUuid().hashCode());
 747                }
 748            }
 749            WakeLockHelper.release(wakeLock);
 750        }
 751        if (SystemClock.elapsedRealtime() - mLastExpiryRun.get() >= Config.EXPIRY_INTERVAL) {
 752            expireOldMessages();
 753        }
 754        return START_STICKY;
 755    }
 756
 757    private boolean processAccountState(Account account, boolean interactive, boolean isUiAction, boolean isAccountPushed, HashSet<Account> pingCandidates) {
 758        boolean pingNow = false;
 759        if (account.getStatus().isAttemptReconnect()) {
 760            if (!hasInternetConnection()) {
 761                account.setStatus(Account.State.NO_INTERNET);
 762                if (statusListener != null) {
 763                    statusListener.onStatusChanged(account);
 764                }
 765            } else {
 766                if (account.getStatus() == Account.State.NO_INTERNET) {
 767                    account.setStatus(Account.State.OFFLINE);
 768                    if (statusListener != null) {
 769                        statusListener.onStatusChanged(account);
 770                    }
 771                }
 772                if (account.getStatus() == Account.State.ONLINE) {
 773                    synchronized (mLowPingTimeoutMode) {
 774                        long lastReceived = account.getXmppConnection().getLastPacketReceived();
 775                        long lastSent = account.getXmppConnection().getLastPingSent();
 776                        long pingInterval = isUiAction ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 777                        long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 778                        int pingTimeout = mLowPingTimeoutMode.contains(account.getJid().asBareJid()) ? Config.LOW_PING_TIMEOUT * 1000 : Config.PING_TIMEOUT * 1000;
 779                        long pingTimeoutIn = (lastSent + pingTimeout) - SystemClock.elapsedRealtime();
 780                        if (lastSent > lastReceived) {
 781                            if (pingTimeoutIn < 0) {
 782                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ping timeout");
 783                                this.reconnectAccount(account, true, interactive);
 784                            } else {
 785                                int secs = (int) (pingTimeoutIn / 1000);
 786                                this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
 787                            }
 788                        } else {
 789                            pingCandidates.add(account);
 790                            if (isAccountPushed) {
 791                                pingNow = true;
 792                                if (mLowPingTimeoutMode.add(account.getJid().asBareJid())) {
 793                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": entering low ping timeout mode");
 794                                }
 795                            } else if (msToNextPing <= 0) {
 796                                pingNow = true;
 797                            } else {
 798                                this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 799                                if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 800                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 801                                }
 802                            }
 803                        }
 804                    }
 805                } else if (account.getStatus() == Account.State.OFFLINE) {
 806                    reconnectAccount(account, true, interactive);
 807                } else if (account.getStatus() == Account.State.CONNECTING) {
 808                    long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
 809                    long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
 810                    long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
 811                    long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
 812                    if (timeout < 0) {
 813                        Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting (secondsSinceLast=" + secondsSinceLastConnect + ")");
 814                        account.getXmppConnection().resetAttemptCount(false);
 815                        reconnectAccount(account, true, interactive);
 816                    } else if (discoTimeout < 0) {
 817                        account.getXmppConnection().sendDiscoTimeout();
 818                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 819                    } else {
 820                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 821                    }
 822                } else {
 823                    if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 824                        reconnectAccount(account, true, interactive);
 825                    }
 826                }
 827            }
 828        }
 829        return pingNow;
 830    }
 831
 832    private void checkMucStillJoined(final Account account, final String hash, final String androidId) {
 833        for(final Conversation conversation : this.conversations) {
 834            if (conversation.getAccount() == account && conversation.getMode() == Conversational.MODE_MULTI) {
 835                Jid jid = conversation.getJid().asBareJid();
 836                final String currentHash = CryptoHelper.getFingerprint(jid, androidId);
 837                if (currentHash.equals(hash)) {
 838                    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": received cloud push notification for MUC "+jid);
 839                    return;
 840                }
 841            }
 842        }
 843        mPushManagementService.unregisterChannel(account, hash);
 844    }
 845
 846    public void reinitializeMuclumbusService() {
 847        mChannelDiscoveryService.initializeMuclumbusService();
 848    }
 849
 850    public void discoverChannels(String query, ChannelDiscoveryService.OnChannelSearchResultsFound onChannelSearchResultsFound) {
 851        mChannelDiscoveryService.discover(query, onChannelSearchResultsFound);
 852    }
 853
 854    public boolean isDataSaverDisabled() {
 855        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 856            ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
 857            return !connectivityManager.isActiveNetworkMetered()
 858                    || connectivityManager.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
 859        } else {
 860            return true;
 861        }
 862    }
 863
 864    private void directReply(Conversation conversation, String body, final boolean dismissAfterReply) {
 865        Message message = new Message(conversation, body, conversation.getNextEncryption());
 866        message.markUnread();
 867        if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 868            getPgpEngine().encrypt(message, new UiCallback<Message>() {
 869                @Override
 870                public void success(Message message) {
 871                    if (dismissAfterReply) {
 872                        markRead((Conversation) message.getConversation(), true);
 873                    } else {
 874                        mNotificationService.pushFromDirectReply(message);
 875                    }
 876                }
 877
 878                @Override
 879                public void error(int errorCode, Message object) {
 880
 881                }
 882
 883                @Override
 884                public void userInputRequired(PendingIntent pi, Message object) {
 885
 886                }
 887            });
 888        } else {
 889            sendMessage(message);
 890            if (dismissAfterReply) {
 891                markRead(conversation, true);
 892            } else {
 893                mNotificationService.pushFromDirectReply(message);
 894            }
 895        }
 896    }
 897
 898    private boolean dndOnSilentMode() {
 899        return getBooleanPreference(SettingsActivity.DND_ON_SILENT_MODE, R.bool.dnd_on_silent_mode);
 900    }
 901
 902    private boolean manuallyChangePresence() {
 903        return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
 904    }
 905
 906    private boolean treatVibrateAsSilent() {
 907        return getBooleanPreference(SettingsActivity.TREAT_VIBRATE_AS_SILENT, R.bool.treat_vibrate_as_silent);
 908    }
 909
 910    private boolean awayWhenScreenOff() {
 911        return getBooleanPreference(SettingsActivity.AWAY_WHEN_SCREEN_IS_OFF, R.bool.away_when_screen_off);
 912    }
 913
 914    private String getCompressPicturesPreference() {
 915        return getPreferences().getString("picture_compression", getResources().getString(R.string.picture_compression));
 916    }
 917
 918    private Presence.Status getTargetPresence() {
 919        if (dndOnSilentMode() && isPhoneSilenced()) {
 920            return Presence.Status.DND;
 921        } else if (awayWhenScreenOff() && !isInteractive()) {
 922            return Presence.Status.AWAY;
 923        } else {
 924            return Presence.Status.ONLINE;
 925        }
 926    }
 927
 928    @SuppressLint("NewApi")
 929    @SuppressWarnings("deprecation")
 930    public boolean isInteractive() {
 931        try {
 932            final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 933
 934            final boolean isScreenOn;
 935            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
 936                isScreenOn = pm.isScreenOn();
 937            } else {
 938                isScreenOn = pm.isInteractive();
 939            }
 940            return isScreenOn;
 941        } catch (RuntimeException e) {
 942            return false;
 943        }
 944    }
 945
 946    private boolean isPhoneSilenced() {
 947        final boolean notificationDnd;
 948        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 949            final NotificationManager notificationManager = getSystemService(NotificationManager.class);
 950            final int filter = notificationManager == null ? NotificationManager.INTERRUPTION_FILTER_UNKNOWN : notificationManager.getCurrentInterruptionFilter();
 951            notificationDnd = filter >= NotificationManager.INTERRUPTION_FILTER_PRIORITY;
 952        } else {
 953            notificationDnd = false;
 954        }
 955        final AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
 956        final int ringerMode = audioManager == null ? AudioManager.RINGER_MODE_NORMAL : audioManager.getRingerMode();
 957        try {
 958            if (treatVibrateAsSilent()) {
 959                return notificationDnd || ringerMode != AudioManager.RINGER_MODE_NORMAL;
 960            } else {
 961                return notificationDnd || ringerMode == AudioManager.RINGER_MODE_SILENT;
 962            }
 963        } catch (Throwable throwable) {
 964            Log.d(Config.LOGTAG, "platform bug in isPhoneSilenced (" + throwable.getMessage() + ")");
 965            return notificationDnd;
 966        }
 967    }
 968
 969    private void resetAllAttemptCounts(boolean reallyAll, boolean retryImmediately) {
 970        Log.d(Config.LOGTAG, "resetting all attempt counts");
 971        for (Account account : accounts) {
 972            if (account.hasErrorStatus() || reallyAll) {
 973                final XmppConnection connection = account.getXmppConnection();
 974                if (connection != null) {
 975                    connection.resetAttemptCount(retryImmediately);
 976                }
 977            }
 978            if (account.setShowErrorNotification(true)) {
 979                mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
 980            }
 981        }
 982        mNotificationService.updateErrorNotification();
 983    }
 984
 985    private void dismissErrorNotifications() {
 986        for (final Account account : this.accounts) {
 987            if (account.hasErrorStatus()) {
 988                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": dismissing error notification");
 989                if (account.setShowErrorNotification(false)) {
 990                    mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
 991                }
 992            }
 993        }
 994    }
 995
 996    private void expireOldMessages() {
 997        expireOldMessages(false);
 998    }
 999
1000    public void expireOldMessages(final boolean resetHasMessagesLeftOnServer) {
1001        mLastExpiryRun.set(SystemClock.elapsedRealtime());
1002        mDatabaseWriterExecutor.execute(() -> {
1003            long timestamp = getAutomaticMessageDeletionDate();
1004            if (timestamp > 0) {
1005                databaseBackend.expireOldMessages(timestamp);
1006                synchronized (XmppConnectionService.this.conversations) {
1007                    for (Conversation conversation : XmppConnectionService.this.conversations) {
1008                        conversation.expireOldMessages(timestamp);
1009                        if (resetHasMessagesLeftOnServer) {
1010                            conversation.messagesLoaded.set(true);
1011                            conversation.setHasMessagesLeftOnServer(true);
1012                        }
1013                    }
1014                }
1015                updateConversationUi();
1016            }
1017        });
1018    }
1019
1020    public boolean hasInternetConnection() {
1021        final ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
1022        try {
1023            final NetworkInfo activeNetwork = cm == null ? null : cm.getActiveNetworkInfo();
1024            return activeNetwork != null && (activeNetwork.isConnected() || activeNetwork.getType() == ConnectivityManager.TYPE_ETHERNET);
1025        } catch (RuntimeException e) {
1026            Log.d(Config.LOGTAG, "unable to check for internet connection", e);
1027            return true; //if internet connection can not be checked it is probably best to just try
1028        }
1029    }
1030
1031    @SuppressLint("TrulyRandom")
1032    @Override
1033    public void onCreate() {
1034        if (Compatibility.runsTwentySix()) {
1035            mNotificationService.initializeChannels();
1036        }
1037        mChannelDiscoveryService.initializeMuclumbusService();
1038        mForceDuringOnCreate.set(Compatibility.runsAndTargetsTwentySix(this));
1039        toggleForegroundService();
1040        this.destroyed = false;
1041        OmemoSetting.load(this);
1042        ExceptionHelper.init(getApplicationContext());
1043        try {
1044            Security.insertProviderAt(Conscrypt.newProvider(), 1);
1045        } catch (Throwable throwable) {
1046            Log.e(Config.LOGTAG,"unable to initialize security provider", throwable);
1047        }
1048        Resolver.init(this);
1049        this.mRandom = new SecureRandom();
1050        updateMemorizingTrustmanager();
1051        final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
1052        final int cacheSize = maxMemory / 8;
1053        this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
1054            @Override
1055            protected int sizeOf(final String key, final Bitmap bitmap) {
1056                return bitmap.getByteCount() / 1024;
1057            }
1058        };
1059        if (mLastActivity == 0) {
1060            mLastActivity = getPreferences().getLong(SETTING_LAST_ACTIVITY_TS, System.currentTimeMillis());
1061        }
1062
1063        Log.d(Config.LOGTAG, "initializing database...");
1064        this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
1065        Log.d(Config.LOGTAG, "restoring accounts...");
1066        this.accounts = databaseBackend.getAccounts();
1067        final SharedPreferences.Editor editor = getPreferences().edit();
1068        if (this.accounts.size() == 0 && Arrays.asList("Sony", "Sony Ericsson").contains(Build.MANUFACTURER)) {
1069            editor.putBoolean(SettingsActivity.KEEP_FOREGROUND_SERVICE, true);
1070            Log.d(Config.LOGTAG, Build.MANUFACTURER + " is on blacklist. enabling foreground service");
1071        }
1072        final boolean hasEnabledAccounts = hasEnabledAccounts();
1073        editor.putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
1074        editor.apply();
1075        toggleSetProfilePictureActivity(hasEnabledAccounts);
1076
1077        restoreFromDatabase();
1078
1079        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || ContextCompat.checkSelfPermission(this, Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
1080            startContactObserver();
1081        }
1082        if (Compatibility.hasStoragePermission(this)) {
1083            Log.d(Config.LOGTAG, "starting file observer");
1084            mFileAddingExecutor.execute(this.fileObserver::startWatching);
1085            mFileAddingExecutor.execute(this::checkForDeletedFiles);
1086        }
1087        if (Config.supportOpenPgp()) {
1088            this.pgpServiceConnection = new OpenPgpServiceConnection(this, "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
1089                @Override
1090                public void onBound(IOpenPgpService2 service) {
1091                    for (Account account : accounts) {
1092                        final PgpDecryptionService pgp = account.getPgpDecryptionService();
1093                        if (pgp != null) {
1094                            pgp.continueDecryption(true);
1095                        }
1096                    }
1097                }
1098
1099                @Override
1100                public void onError(Exception e) {
1101                }
1102            });
1103            this.pgpServiceConnection.bindToService();
1104        }
1105
1106        this.pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
1107        this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Conversations:Service");
1108
1109        toggleForegroundService();
1110        updateUnreadCountBadge();
1111        toggleScreenEventReceiver();
1112        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1113            scheduleNextIdlePing();
1114            IntentFilter intentFilter = new IntentFilter();
1115            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1116                intentFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
1117            }
1118            intentFilter.addAction(NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED);
1119            registerReceiver(this.mInternalEventReceiver, intentFilter);
1120        }
1121        mForceDuringOnCreate.set(false);
1122        toggleForegroundService();
1123    }
1124
1125    private void checkForDeletedFiles() {
1126        if (destroyed) {
1127            Log.d(Config.LOGTAG, "Do not check for deleted files because service has been destroyed");
1128            return;
1129        }
1130        final long start = SystemClock.elapsedRealtime();
1131        final List<DatabaseBackend.FilePathInfo> relativeFilePaths = databaseBackend.getFilePathInfo();
1132        final List<DatabaseBackend.FilePathInfo> changed = new ArrayList<>();
1133        for(final DatabaseBackend.FilePathInfo filePath : relativeFilePaths) {
1134            if (destroyed) {
1135                Log.d(Config.LOGTAG, "Stop checking for deleted files because service has been destroyed");
1136                return;
1137            }
1138            final File file = fileBackend.getFileForPath(filePath.path);
1139            if (filePath.setDeleted(!file.exists())) {
1140                changed.add(filePath);
1141            }
1142        }
1143        final long duration = SystemClock.elapsedRealtime() - start;
1144        Log.d(Config.LOGTAG,"found "+changed.size()+" changed files on start up. total="+relativeFilePaths.size()+". ("+duration+"ms)");
1145        if (changed.size() > 0) {
1146            databaseBackend.markFilesAsChanged(changed);
1147            markChangedFiles(changed);
1148        }
1149    }
1150
1151    public void startContactObserver() {
1152        getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, new ContentObserver(null) {
1153            @Override
1154            public void onChange(boolean selfChange) {
1155                super.onChange(selfChange);
1156                if (restoredFromDatabaseLatch.getCount() == 0) {
1157                    loadPhoneContacts();
1158                }
1159            }
1160        });
1161    }
1162
1163    @Override
1164    public void onTrimMemory(int level) {
1165        super.onTrimMemory(level);
1166        if (level >= TRIM_MEMORY_COMPLETE) {
1167            Log.d(Config.LOGTAG, "clear cache due to low memory");
1168            getBitmapCache().evictAll();
1169        }
1170    }
1171
1172    @Override
1173    public void onDestroy() {
1174        try {
1175            unregisterReceiver(this.mInternalEventReceiver);
1176        } catch (IllegalArgumentException e) {
1177            //ignored
1178        }
1179        destroyed = false;
1180        fileObserver.stopWatching();
1181        super.onDestroy();
1182    }
1183
1184    public void restartFileObserver() {
1185        Log.d(Config.LOGTAG, "restarting file observer");
1186        mFileAddingExecutor.execute(this.fileObserver::restartWatching);
1187        mFileAddingExecutor.execute(this::checkForDeletedFiles);
1188    }
1189
1190    public void toggleScreenEventReceiver() {
1191        if (awayWhenScreenOff() && !manuallyChangePresence()) {
1192            final IntentFilter filter = new IntentFilter();
1193            filter.addAction(Intent.ACTION_SCREEN_ON);
1194            filter.addAction(Intent.ACTION_SCREEN_OFF);
1195            registerReceiver(this.mInternalScreenEventReceiver, filter);
1196        } else {
1197            try {
1198                unregisterReceiver(this.mInternalScreenEventReceiver);
1199            } catch (IllegalArgumentException e) {
1200                //ignored
1201            }
1202        }
1203    }
1204
1205    public void toggleForegroundService() {
1206        toggleForegroundService(false);
1207    }
1208
1209    private void toggleForegroundService(boolean force) {
1210        final boolean status;
1211        if (force || mForceDuringOnCreate.get() || mForceForegroundService.get() || (Compatibility.keepForegroundService(this) && hasEnabledAccounts())) {
1212            final Notification notification = this.mNotificationService.createForegroundNotification();
1213            startForeground(NotificationService.FOREGROUND_NOTIFICATION_ID, notification);
1214            if (!mForceForegroundService.get()) {
1215                mNotificationService.notify(NotificationService.FOREGROUND_NOTIFICATION_ID, notification);
1216            }
1217            status = true;
1218        } else {
1219            stopForeground(true);
1220            status = false;
1221        }
1222        if (!mForceForegroundService.get()) {
1223            mNotificationService.dismissForcedForegroundNotification(); //if the channel was changed the previous call might fail
1224        }
1225        Log.d(Config.LOGTAG,"ForegroundService: "+(status?"on":"off"));
1226    }
1227
1228    public boolean foregroundNotificationNeedsUpdatingWhenErrorStateChanges() {
1229        return !mForceForegroundService.get() && Compatibility.keepForegroundService(this) && hasEnabledAccounts();
1230    }
1231
1232    @Override
1233    public void onTaskRemoved(final Intent rootIntent) {
1234        super.onTaskRemoved(rootIntent);
1235        if ((Compatibility.keepForegroundService(this) && hasEnabledAccounts()) || mForceForegroundService.get()) {
1236            Log.d(Config.LOGTAG, "ignoring onTaskRemoved because foreground service is activated");
1237        } else {
1238            this.logoutAndSave(false);
1239        }
1240    }
1241
1242    private void logoutAndSave(boolean stop) {
1243        int activeAccounts = 0;
1244        for (final Account account : accounts) {
1245            if (account.getStatus() != Account.State.DISABLED) {
1246                databaseBackend.writeRoster(account.getRoster());
1247                activeAccounts++;
1248            }
1249            if (account.getXmppConnection() != null) {
1250                new Thread(() -> disconnect(account, false)).start();
1251            }
1252        }
1253        if (stop || activeAccounts == 0) {
1254            Log.d(Config.LOGTAG, "good bye");
1255            stopSelf();
1256        }
1257    }
1258
1259    private void schedulePostConnectivityChange() {
1260        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1261        if (alarmManager == null) {
1262            return;
1263        }
1264        final long triggerAtMillis = SystemClock.elapsedRealtime() + (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL * 1000);
1265        final Intent intent = new Intent(this, EventReceiver.class);
1266        intent.setAction(ACTION_POST_CONNECTIVITY_CHANGE);
1267        try {
1268            final PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 1, intent, 0);
1269            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1270                alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1271            } else {
1272                alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1273            }
1274        } catch (RuntimeException e) {
1275            Log.e(Config.LOGTAG, "unable to schedule alarm for post connectivity change", e);
1276        }
1277    }
1278
1279    public void scheduleWakeUpCall(int seconds, int requestCode) {
1280        final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000;
1281        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1282        if (alarmManager == null) {
1283            return;
1284        }
1285        final Intent intent = new Intent(this, EventReceiver.class);
1286        intent.setAction("ping");
1287        try {
1288            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, requestCode, intent, 0);
1289            alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1290        } catch (RuntimeException e) {
1291            Log.e(Config.LOGTAG, "unable to schedule alarm for ping", e);
1292        }
1293    }
1294
1295    @TargetApi(Build.VERSION_CODES.M)
1296    private void scheduleNextIdlePing() {
1297        final long timeToWake = SystemClock.elapsedRealtime() + (Config.IDLE_PING_INTERVAL * 1000);
1298        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1299        if (alarmManager == null) {
1300            return;
1301        }
1302        final Intent intent = new Intent(this, EventReceiver.class);
1303        intent.setAction(ACTION_IDLE_PING);
1304        try {
1305            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
1306            alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1307        } catch (RuntimeException e) {
1308            Log.d(Config.LOGTAG, "unable to schedule alarm for idle ping", e);
1309        }
1310    }
1311
1312    public XmppConnection createConnection(final Account account) {
1313        final XmppConnection connection = new XmppConnection(account, this);
1314        connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1315        connection.setOnStatusChangedListener(this.statusListener);
1316        connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1317        connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1318        connection.setOnJinglePacketReceivedListener(this.jingleListener);
1319        connection.setOnBindListener(this.mOnBindListener);
1320        connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1321        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1322        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1323        AxolotlService axolotlService = account.getAxolotlService();
1324        if (axolotlService != null) {
1325            connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1326        }
1327        return connection;
1328    }
1329
1330    public void sendChatState(Conversation conversation) {
1331        if (sendChatStates()) {
1332            MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1333            sendMessagePacket(conversation.getAccount(), packet);
1334        }
1335    }
1336
1337    private void sendFileMessage(final Message message, final boolean delay) {
1338        Log.d(Config.LOGTAG, "send file message");
1339        final Account account = message.getConversation().getAccount();
1340        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1341                || message.getConversation().getMode() == Conversation.MODE_MULTI) {
1342            mHttpConnectionManager.createNewUploadConnection(message, delay);
1343        } else {
1344            mJingleConnectionManager.createNewConnection(message);
1345        }
1346    }
1347
1348    public void sendMessage(final Message message) {
1349        sendMessage(message, false, false);
1350    }
1351
1352    private void sendMessage(final Message message, final boolean resend, final boolean delay) {
1353        final Account account = message.getConversation().getAccount();
1354        if (account.setShowErrorNotification(true)) {
1355            databaseBackend.updateAccount(account);
1356            mNotificationService.updateErrorNotification();
1357        }
1358        final Conversation conversation = (Conversation) message.getConversation();
1359        account.deactivateGracePeriod();
1360
1361
1362        if (QuickConversationsService.isQuicksy() && conversation.getMode() == Conversation.MODE_SINGLE) {
1363            final Contact contact = conversation.getContact();
1364            if (!contact.showInRoster() && contact.getOption(Contact.Options.SYNCED_VIA_OTHER)) {
1365                Log.d(Config.LOGTAG,account.getJid().asBareJid()+": adding "+contact.getJid()+" on sending message");
1366                createContact(contact, true);
1367            }
1368        }
1369
1370        MessagePacket packet = null;
1371        final boolean addToConversation = (conversation.getMode() != Conversation.MODE_MULTI
1372                || !Patches.BAD_MUC_REFLECTION.contains(account.getServerIdentity()))
1373                && !message.edited();
1374        boolean saveInDb = addToConversation;
1375        message.setStatus(Message.STATUS_WAITING);
1376
1377        if (message.getEncryption() != Message.ENCRYPTION_NONE && conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous()) {
1378            if (conversation.setAttribute(Conversation.ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS, true)) {
1379                databaseBackend.updateConversation(conversation);
1380            }
1381        }
1382
1383        final boolean inProgressJoin;
1384        synchronized (account.inProgressConferenceJoins) {
1385            inProgressJoin = conversation.getMode() == Conversational.MODE_MULTI && account.inProgressConferenceJoins.contains(conversation);
1386        }
1387
1388        if (account.isOnlineAndConnected() && !inProgressJoin) {
1389            switch (message.getEncryption()) {
1390                case Message.ENCRYPTION_NONE:
1391                    if (message.needsUploading()) {
1392                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1393                                || conversation.getMode() == Conversation.MODE_MULTI
1394                                || message.fixCounterpart()) {
1395                            this.sendFileMessage(message, delay);
1396                        } else {
1397                            break;
1398                        }
1399                    } else {
1400                        packet = mMessageGenerator.generateChat(message);
1401                    }
1402                    break;
1403                case Message.ENCRYPTION_PGP:
1404                case Message.ENCRYPTION_DECRYPTED:
1405                    if (message.needsUploading()) {
1406                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1407                                || conversation.getMode() == Conversation.MODE_MULTI
1408                                || message.fixCounterpart()) {
1409                            this.sendFileMessage(message, delay);
1410                        } else {
1411                            break;
1412                        }
1413                    } else {
1414                        packet = mMessageGenerator.generatePgpChat(message);
1415                    }
1416                    break;
1417                case Message.ENCRYPTION_AXOLOTL:
1418                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1419                    if (message.needsUploading()) {
1420                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1421                                || conversation.getMode() == Conversation.MODE_MULTI
1422                                || message.fixCounterpart()) {
1423                            this.sendFileMessage(message, delay);
1424                        } else {
1425                            break;
1426                        }
1427                    } else {
1428                        XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1429                        if (axolotlMessage == null) {
1430                            account.getAxolotlService().preparePayloadMessage(message, delay);
1431                        } else {
1432                            packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1433                        }
1434                    }
1435                    break;
1436
1437            }
1438            if (packet != null) {
1439                if (account.getXmppConnection().getFeatures().sm()
1440                        || (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1441                    message.setStatus(Message.STATUS_UNSEND);
1442                } else {
1443                    message.setStatus(Message.STATUS_SEND);
1444                }
1445            }
1446        } else {
1447            switch (message.getEncryption()) {
1448                case Message.ENCRYPTION_DECRYPTED:
1449                    if (!message.needsUploading()) {
1450                        String pgpBody = message.getEncryptedBody();
1451                        String decryptedBody = message.getBody();
1452                        message.setBody(pgpBody); //TODO might throw NPE
1453                        message.setEncryption(Message.ENCRYPTION_PGP);
1454                        if (message.edited()) {
1455                            message.setBody(decryptedBody);
1456                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1457                            if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1458                                Log.e(Config.LOGTAG,"error updated message in DB after edit");
1459                            }
1460                            updateConversationUi();
1461                            return;
1462                        } else {
1463                            databaseBackend.createMessage(message);
1464                            saveInDb = false;
1465                            message.setBody(decryptedBody);
1466                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1467                        }
1468                    }
1469                    break;
1470                case Message.ENCRYPTION_AXOLOTL:
1471                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1472                    break;
1473            }
1474        }
1475
1476
1477        boolean mucMessage = conversation.getMode() == Conversation.MODE_MULTI && !message.isPrivateMessage();
1478        if (mucMessage) {
1479            message.setCounterpart(conversation.getMucOptions().getSelf().getFullJid());
1480        }
1481
1482        if (resend) {
1483            if (packet != null && addToConversation) {
1484                if (account.getXmppConnection().getFeatures().sm() || mucMessage) {
1485                    markMessage(message, Message.STATUS_UNSEND);
1486                } else {
1487                    markMessage(message, Message.STATUS_SEND);
1488                }
1489            }
1490        } else {
1491            if (addToConversation) {
1492                conversation.add(message);
1493            }
1494            if (saveInDb) {
1495                databaseBackend.createMessage(message);
1496            } else if (message.edited()) {
1497                if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1498                    Log.e(Config.LOGTAG,"error updated message in DB after edit");
1499                }
1500            }
1501            updateConversationUi();
1502        }
1503        if (packet != null) {
1504            if (delay) {
1505                mMessageGenerator.addDelay(packet, message.getTimeSent());
1506            }
1507            if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
1508                if (this.sendChatStates()) {
1509                    packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1510                }
1511            }
1512            Log.d(Config.LOGTAG,packet.toString());
1513            sendMessagePacket(account, packet);
1514        }
1515    }
1516
1517    private void sendUnsentMessages(final Conversation conversation) {
1518        conversation.findWaitingMessages(message -> resendMessage(message, true));
1519    }
1520
1521    public void resendMessage(final Message message, final boolean delay) {
1522        sendMessage(message, true, delay);
1523    }
1524
1525    public void fetchRosterFromServer(final Account account) {
1526        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1527        if (!"".equals(account.getRosterVersion())) {
1528            Log.d(Config.LOGTAG, account.getJid().asBareJid()
1529                    + ": fetching roster version " + account.getRosterVersion());
1530        } else {
1531            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching roster");
1532        }
1533        iqPacket.query(Namespace.ROSTER).setAttribute("ver", account.getRosterVersion());
1534        sendIqPacket(account, iqPacket, mIqParser);
1535    }
1536
1537    public void fetchBookmarks(final Account account) {
1538        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1539        final Element query = iqPacket.query("jabber:iq:private");
1540        query.addChild("storage", Namespace.BOOKMARKS);
1541        final OnIqPacketReceived callback = (a, response) -> {
1542            if (response.getType() == IqPacket.TYPE.RESULT) {
1543                final Element query1 = response.query();
1544                final Element storage = query1.findChild("storage", "storage:bookmarks");
1545                processBookmarks(a, storage, false);
1546            } else {
1547                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": could not fetch bookmarks");
1548            }
1549        };
1550        sendIqPacket(account, iqPacket, callback);
1551    }
1552
1553    public void processBookmarks(Account account, Element storage, final boolean pep) {
1554        final Set<Jid> previousBookmarks = account.getBookmarkedJids();
1555        final HashMap<Jid, Bookmark> bookmarks = new HashMap<>();
1556        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1557        if (storage != null) {
1558            for (final Element item : storage.getChildren()) {
1559                if (item.getName().equals("conference")) {
1560                    final Bookmark bookmark = Bookmark.parse(item, account);
1561                    Bookmark old = bookmarks.put(bookmark.getJid(), bookmark);
1562                    if (old != null && old.getBookmarkName() != null && bookmark.getBookmarkName() == null) {
1563                        bookmark.setBookmarkName(old.getBookmarkName());
1564                    }
1565                    if (bookmark.getJid() == null) {
1566                        continue;
1567                    }
1568                    previousBookmarks.remove(bookmark.getJid().asBareJid());
1569                    Conversation conversation = find(bookmark);
1570                    if (conversation != null) {
1571                        if (conversation.getMode() != Conversation.MODE_MULTI) {
1572                            continue;
1573                        }
1574                        bookmark.setConversation(conversation);
1575                        if (pep && synchronizeWithBookmarks && !bookmark.autojoin()) {
1576                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": archiving conference ("+conversation.getJid()+") after receiving pep");
1577                            archiveConversation(conversation, false);
1578                        }
1579                    } else if (synchronizeWithBookmarks && bookmark.autojoin()) {
1580                        conversation = findOrCreateConversation(account, bookmark.getFullJid(), true, true, false);
1581                        bookmark.setConversation(conversation);
1582                    }
1583                }
1584            }
1585            if (pep && synchronizeWithBookmarks) {
1586                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": " + previousBookmarks.size() + " bookmarks have been removed");
1587                for (Jid jid : previousBookmarks) {
1588                    final Conversation conversation = find(account, jid);
1589                    if (conversation != null && conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
1590                        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": archiving destroyed conference ("+conversation.getJid()+") after receiving pep");
1591                        archiveConversation(conversation, false);
1592                    }
1593                }
1594            }
1595        }
1596        account.setBookmarks(new CopyOnWriteArrayList<>(bookmarks.values()));
1597    }
1598
1599    public void pushBookmarks(Account account) {
1600        final XmppConnection connection = account.getXmppConnection();
1601        if (connection != null && connection.getFeatures().bookmarksConversion()) {
1602            pushBookmarksPep(account);
1603        } else {
1604            pushBookmarksPrivateXml(account);
1605        }
1606    }
1607
1608    private void pushBookmarksPrivateXml(Account account) {
1609        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via private xml");
1610        IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1611        Element query = iqPacket.query("jabber:iq:private");
1612        Element storage = query.addChild("storage", "storage:bookmarks");
1613        for (Bookmark bookmark : account.getBookmarks()) {
1614            storage.addChild(bookmark);
1615        }
1616        sendIqPacket(account, iqPacket, mDefaultIqHandler);
1617    }
1618
1619    private void pushBookmarksPep(Account account) {
1620        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via pep");
1621        Element storage = new Element("storage", "storage:bookmarks");
1622        for (Bookmark bookmark : account.getBookmarks()) {
1623            storage.addChild(bookmark);
1624        }
1625        pushNodeAndEnforcePublishOptions(account,Namespace.BOOKMARKS,storage, PublishOptions.persistentWhitelistAccess());
1626
1627    }
1628
1629
1630    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final Bundle options) {
1631        pushNodeAndEnforcePublishOptions(account, node, element, options, true);
1632
1633    }
1634
1635	private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final Bundle options, final boolean retry) {
1636        final IqPacket packet = mIqGenerator.publishElement(node, element, options);
1637        sendIqPacket(account, packet, (a, response) -> {
1638            if (response.getType() == IqPacket.TYPE.RESULT) {
1639                return;
1640            }
1641            if (retry && PublishOptions.preconditionNotMet(response)) {
1642                pushNodeConfiguration(account, node, options, new OnConfigurationPushed() {
1643                    @Override
1644                    public void onPushSucceeded() {
1645                        pushNodeAndEnforcePublishOptions(account, node, element, options, false);
1646                    }
1647
1648                    @Override
1649                    public void onPushFailed() {
1650                        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to push node configuration ("+node+")");
1651                    }
1652                });
1653            } else {
1654                Log.d(Config.LOGTAG,account.getJid().asBareJid()+": error publishing bookmarks (retry="+Boolean.toString(retry)+") "+response);
1655            }
1656        });
1657    }
1658
1659	private void restoreFromDatabase() {
1660		synchronized (this.conversations) {
1661			final Map<String, Account> accountLookupTable = new Hashtable<>();
1662			for (Account account : this.accounts) {
1663				accountLookupTable.put(account.getUuid(), account);
1664			}
1665			Log.d(Config.LOGTAG, "restoring conversations...");
1666			final long startTimeConversationsRestore = SystemClock.elapsedRealtime();
1667			this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1668			for (Iterator<Conversation> iterator = conversations.listIterator(); iterator.hasNext(); ) {
1669				Conversation conversation = iterator.next();
1670				Account account = accountLookupTable.get(conversation.getAccountUuid());
1671				if (account != null) {
1672					conversation.setAccount(account);
1673				} else {
1674					Log.e(Config.LOGTAG, "unable to restore Conversations with " + conversation.getJid());
1675					iterator.remove();
1676				}
1677			}
1678			long diffConversationsRestore = SystemClock.elapsedRealtime() - startTimeConversationsRestore;
1679			Log.d(Config.LOGTAG, "finished restoring conversations in " + diffConversationsRestore + "ms");
1680			Runnable runnable = () -> {
1681				long deletionDate = getAutomaticMessageDeletionDate();
1682				mLastExpiryRun.set(SystemClock.elapsedRealtime());
1683				if (deletionDate > 0) {
1684					Log.d(Config.LOGTAG, "deleting messages that are older than " + AbstractGenerator.getTimestamp(deletionDate));
1685					databaseBackend.expireOldMessages(deletionDate);
1686				}
1687				Log.d(Config.LOGTAG, "restoring roster...");
1688				for (Account account : accounts) {
1689					databaseBackend.readRoster(account.getRoster());
1690					account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1691				}
1692				getBitmapCache().evictAll();
1693				loadPhoneContacts();
1694				Log.d(Config.LOGTAG, "restoring messages...");
1695				final long startMessageRestore = SystemClock.elapsedRealtime();
1696				final Conversation quickLoad = QuickLoader.get(this.conversations);
1697				if (quickLoad != null) {
1698					restoreMessages(quickLoad);
1699					updateConversationUi();
1700					final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1701					Log.d(Config.LOGTAG,"quickly restored "+quickLoad.getName()+" after " + diffMessageRestore + "ms");
1702				}
1703				for (Conversation conversation : this.conversations) {
1704					if (quickLoad != conversation) {
1705						restoreMessages(conversation);
1706					}
1707				}
1708				mNotificationService.finishBacklog(false);
1709				restoredFromDatabaseLatch.countDown();
1710				final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1711				Log.d(Config.LOGTAG, "finished restoring messages in " + diffMessageRestore + "ms");
1712				updateConversationUi();
1713			};
1714			mDatabaseReaderExecutor.execute(runnable); //will contain one write command (expiry) but that's fine
1715		}
1716	}
1717
1718	private void restoreMessages(Conversation conversation) {
1719		conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1720		conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
1721		conversation.findUnreadMessages(message -> mNotificationService.pushFromBacklog(message));
1722	}
1723
1724	public void loadPhoneContacts() {
1725        mContactMergerExecutor.execute(() -> {
1726            Map<Jid, JabberIdContact> contacts = JabberIdContact.load(this);
1727            Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1728            for (Account account : accounts) {
1729                List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts(JabberIdContact.class);
1730                for (JabberIdContact jidContact : contacts.values()) {
1731                    final Contact contact = account.getRoster().getContact(jidContact.getJid());
1732                    boolean needsCacheClean = contact.setPhoneContact(jidContact);
1733                    if (needsCacheClean) {
1734                        getAvatarService().clear(contact);
1735                    }
1736                    withSystemAccounts.remove(contact);
1737                }
1738                for (Contact contact : withSystemAccounts) {
1739                    boolean needsCacheClean = contact.unsetPhoneContact(JabberIdContact.class);
1740                    if (needsCacheClean) {
1741                        getAvatarService().clear(contact);
1742                    }
1743                }
1744            }
1745            Log.d(Config.LOGTAG, "finished merging phone contacts");
1746            mShortcutService.refresh(mInitialAddressbookSyncCompleted.compareAndSet(false, true));
1747            updateRosterUi();
1748            mQuickConversationsService.considerSync();
1749        });
1750	}
1751
1752
1753	public void syncRoster(final Account account) {
1754		mRosterSyncTaskManager.execute(account, () -> databaseBackend.writeRoster(account.getRoster()));
1755	}
1756
1757	public List<Conversation> getConversations() {
1758		return this.conversations;
1759	}
1760
1761	private void markFileDeleted(final String path) {
1762        final File file = new File(path);
1763        final boolean isInternalFile = fileBackend.isInternalFile(file);
1764        final List<String> uuids = databaseBackend.markFileAsDeleted(file, isInternalFile);
1765        Log.d(Config.LOGTAG, "deleted file " + path+" internal="+isInternalFile+", database hits="+uuids.size());
1766        markUuidsAsDeletedFiles(uuids);
1767	}
1768
1769	private void markUuidsAsDeletedFiles(List<String> uuids) {
1770        boolean deleted = false;
1771        for (Conversation conversation : getConversations()) {
1772            deleted |= conversation.markAsDeleted(uuids);
1773        }
1774        if (deleted) {
1775            updateConversationUi();
1776        }
1777    }
1778
1779    private void markChangedFiles(List<DatabaseBackend.FilePathInfo> infos) {
1780        boolean changed = false;
1781        for (Conversation conversation : getConversations()) {
1782            changed |= conversation.markAsChanged(infos);
1783        }
1784        if (changed) {
1785            updateConversationUi();
1786        }
1787    }
1788
1789	public void populateWithOrderedConversations(final List<Conversation> list) {
1790		populateWithOrderedConversations(list, true, true);
1791	}
1792
1793	public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload) {
1794        populateWithOrderedConversations(list, includeNoFileUpload, true);
1795    }
1796
1797	public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload, final boolean sort) {
1798        final List<String> orderedUuids;
1799        if (sort) {
1800            orderedUuids = null;
1801        } else {
1802            orderedUuids = new ArrayList<>();
1803            for(Conversation conversation : list) {
1804                orderedUuids.add(conversation.getUuid());
1805            }
1806        }
1807		list.clear();
1808		if (includeNoFileUpload) {
1809			list.addAll(getConversations());
1810		} else {
1811			for (Conversation conversation : getConversations()) {
1812				if (conversation.getMode() == Conversation.MODE_SINGLE
1813						|| (conversation.getAccount().httpUploadAvailable() && conversation.getMucOptions().participating())) {
1814					list.add(conversation);
1815				}
1816			}
1817		}
1818		try {
1819		    if (orderedUuids != null) {
1820                Collections.sort(list, (a, b) -> {
1821                    final int indexA = orderedUuids.indexOf(a.getUuid());
1822                    final int indexB = orderedUuids.indexOf(b.getUuid());
1823                    if (indexA == -1 || indexB == -1 || indexA == indexB) {
1824                        return a.compareTo(b);
1825                    }
1826                    return indexA - indexB;
1827                });
1828            } else {
1829                Collections.sort(list);
1830            }
1831		} catch (IllegalArgumentException e) {
1832			//ignore
1833		}
1834	}
1835
1836	public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
1837		if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
1838			return;
1839		} else if (timestamp == 0) {
1840			return;
1841		}
1842		Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
1843		final Runnable runnable = () -> {
1844			final Account account = conversation.getAccount();
1845			List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
1846			if (messages.size() > 0) {
1847				conversation.addAll(0, messages);
1848				callback.onMoreMessagesLoaded(messages.size(), conversation);
1849			} else if (conversation.hasMessagesLeftOnServer()
1850					&& account.isOnlineAndConnected()
1851					&& conversation.getLastClearHistory().getTimestamp() == 0) {
1852				final boolean mamAvailable;
1853				if (conversation.getMode() == Conversation.MODE_SINGLE) {
1854					mamAvailable = account.getXmppConnection().getFeatures().mam() && !conversation.getContact().isBlocked();
1855				} else {
1856					mamAvailable = conversation.getMucOptions().mamSupport();
1857				}
1858				if (mamAvailable) {
1859					MessageArchiveService.Query query = getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
1860					if (query != null) {
1861						query.setCallback(callback);
1862						callback.informUser(R.string.fetching_history_from_server);
1863					} else {
1864						callback.informUser(R.string.not_fetching_history_retention_period);
1865					}
1866
1867				}
1868			}
1869		};
1870		mDatabaseReaderExecutor.execute(runnable);
1871	}
1872
1873	public List<Account> getAccounts() {
1874		return this.accounts;
1875	}
1876
1877
1878    /**
1879     * This will find all conferences with the contact as member and also the conference that is the contact (that 'fake' contact is used to store the avatar)
1880     */
1881	public List<Conversation> findAllConferencesWith(Contact contact) {
1882		ArrayList<Conversation> results = new ArrayList<>();
1883		for (final Conversation c : conversations) {
1884			if (c.getMode() == Conversation.MODE_MULTI && (c.getJid().asBareJid().equals(contact.getJid().asBareJid()) || c.getMucOptions().isContactInRoom(contact))) {
1885			    results.add(c);
1886			}
1887		}
1888		return results;
1889	}
1890
1891	public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
1892		for (final Conversation conversation : haystack) {
1893			if (conversation.getContact() == contact) {
1894				return conversation;
1895			}
1896		}
1897		return null;
1898	}
1899
1900	public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
1901		if (jid == null) {
1902			return null;
1903		}
1904		for (final Conversation conversation : haystack) {
1905			if ((account == null || conversation.getAccount() == account)
1906					&& (conversation.getJid().asBareJid().equals(jid.asBareJid()))) {
1907				return conversation;
1908			}
1909		}
1910		return null;
1911	}
1912
1913	public boolean isConversationsListEmpty(final Conversation ignore) {
1914		synchronized (this.conversations) {
1915			final int size = this.conversations.size();
1916			return size == 0 || size == 1 && this.conversations.get(0) == ignore;
1917		}
1918	}
1919
1920	public boolean isConversationStillOpen(final Conversation conversation) {
1921		synchronized (this.conversations) {
1922			for (Conversation current : this.conversations) {
1923				if (current == conversation) {
1924					return true;
1925				}
1926			}
1927		}
1928		return false;
1929	}
1930
1931	public Conversation findOrCreateConversation(Account account, Jid jid, boolean muc, final boolean async) {
1932		return this.findOrCreateConversation(account, jid, muc, false, async);
1933	}
1934
1935	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final boolean async) {
1936		return this.findOrCreateConversation(account, jid, muc, joinAfterCreate, null, async);
1937	}
1938
1939	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final MessageArchiveService.Query query, final boolean async) {
1940		synchronized (this.conversations) {
1941			Conversation conversation = find(account, jid);
1942			if (conversation != null) {
1943				return conversation;
1944			}
1945			conversation = databaseBackend.findConversation(account, jid);
1946			final boolean loadMessagesFromDb;
1947			if (conversation != null) {
1948				conversation.setStatus(Conversation.STATUS_AVAILABLE);
1949				conversation.setAccount(account);
1950				if (muc) {
1951					conversation.setMode(Conversation.MODE_MULTI);
1952					conversation.setContactJid(jid);
1953				} else {
1954					conversation.setMode(Conversation.MODE_SINGLE);
1955					conversation.setContactJid(jid.asBareJid());
1956				}
1957				databaseBackend.updateConversation(conversation);
1958				loadMessagesFromDb = conversation.messagesLoaded.compareAndSet(true, false);
1959			} else {
1960				String conversationName;
1961				Contact contact = account.getRoster().getContact(jid);
1962				if (contact != null) {
1963					conversationName = contact.getDisplayName();
1964				} else {
1965					conversationName = jid.getLocal();
1966				}
1967				if (muc) {
1968					conversation = new Conversation(conversationName, account, jid,
1969							Conversation.MODE_MULTI);
1970				} else {
1971					conversation = new Conversation(conversationName, account, jid.asBareJid(),
1972							Conversation.MODE_SINGLE);
1973				}
1974				this.databaseBackend.createConversation(conversation);
1975				loadMessagesFromDb = false;
1976			}
1977			final Conversation c = conversation;
1978			final Runnable runnable = () -> {
1979				if (loadMessagesFromDb) {
1980					c.addAll(0, databaseBackend.getMessages(c, Config.PAGE_SIZE));
1981					updateConversationUi();
1982					c.messagesLoaded.set(true);
1983				}
1984				if (account.getXmppConnection() != null
1985						&& !c.getContact().isBlocked()
1986						&& account.getXmppConnection().getFeatures().mam()
1987						&& !muc) {
1988					if (query == null) {
1989						mMessageArchiveService.query(c);
1990					} else {
1991						if (query.getConversation() == null) {
1992							mMessageArchiveService.query(c, query.getStart(), query.isCatchup());
1993						}
1994					}
1995				}
1996				if (joinAfterCreate) {
1997					joinMuc(c);
1998				}
1999			};
2000			if (async) {
2001				mDatabaseReaderExecutor.execute(runnable);
2002			} else {
2003				runnable.run();
2004			}
2005			this.conversations.add(conversation);
2006			updateConversationUi();
2007			return conversation;
2008		}
2009	}
2010
2011	public void archiveConversation(Conversation conversation) {
2012	    archiveConversation(conversation, true);
2013    }
2014
2015	private void archiveConversation(Conversation conversation, final boolean maySynchronizeWithBookmarks) {
2016		getNotificationService().clear(conversation);
2017		conversation.setStatus(Conversation.STATUS_ARCHIVED);
2018		conversation.setNextMessage(null);
2019		synchronized (this.conversations) {
2020			getMessageArchiveService().kill(conversation);
2021			if (conversation.getMode() == Conversation.MODE_MULTI) {
2022				if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2023					Bookmark bookmark = conversation.getBookmark();
2024					if (maySynchronizeWithBookmarks && bookmark != null && synchronizeWithBookmarks()) {
2025						if (conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
2026							Account account = bookmark.getAccount();
2027							bookmark.setConversation(null);
2028							account.getBookmarks().remove(bookmark);
2029							pushBookmarks(account);
2030						} else if (bookmark.autojoin()) {
2031							bookmark.setAutojoin(false);
2032							pushBookmarks(bookmark.getAccount());
2033						}
2034					}
2035				}
2036				leaveMuc(conversation);
2037			} else {
2038				if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
2039				    stopPresenceUpdatesTo(conversation.getContact());
2040				}
2041			}
2042			updateConversation(conversation);
2043			this.conversations.remove(conversation);
2044			updateConversationUi();
2045		}
2046	}
2047
2048	public void stopPresenceUpdatesTo(Contact contact) {
2049        Log.d(Config.LOGTAG, "Canceling presence request from " + contact.getJid().toString());
2050        sendPresencePacket(contact.getAccount(), mPresenceGenerator.stopPresenceUpdatesTo(contact));
2051        contact.resetOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
2052    }
2053
2054	public void createAccount(final Account account) {
2055		account.initAccountServices(this);
2056		databaseBackend.createAccount(account);
2057		this.accounts.add(account);
2058		this.reconnectAccountInBackground(account);
2059		updateAccountUi();
2060		syncEnabledAccountSetting();
2061		toggleForegroundService();
2062	}
2063
2064	private void syncEnabledAccountSetting() {
2065	    final boolean hasEnabledAccounts = hasEnabledAccounts();
2066		getPreferences().edit().putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
2067		toggleSetProfilePictureActivity(hasEnabledAccounts);
2068	}
2069
2070	private void toggleSetProfilePictureActivity(final boolean enabled) {
2071	    try {
2072	        final ComponentName name = new ComponentName(this, ChooseAccountForProfilePictureActivity.class);
2073	        final int targetState =  enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
2074            getPackageManager().setComponentEnabledSetting(name, targetState, PackageManager.DONT_KILL_APP);
2075        } catch (IllegalStateException e) {
2076	        Log.d(Config.LOGTAG,"unable to toggle profile picture actvitiy");
2077        }
2078    }
2079
2080	public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
2081		new Thread(() -> {
2082			try {
2083				final X509Certificate[] chain = KeyChain.getCertificateChain(this, alias);
2084				final X509Certificate cert = chain != null && chain.length > 0 ? chain[0] : null;
2085				if (cert == null) {
2086					callback.informUser(R.string.unable_to_parse_certificate);
2087					return;
2088				}
2089				Pair<Jid, String> info = CryptoHelper.extractJidAndName(cert);
2090				if (info == null) {
2091					callback.informUser(R.string.certificate_does_not_contain_jid);
2092					return;
2093				}
2094				if (findAccountByJid(info.first) == null) {
2095					Account account = new Account(info.first, "");
2096					account.setPrivateKeyAlias(alias);
2097					account.setOption(Account.OPTION_DISABLED, true);
2098					account.setDisplayName(info.second);
2099					createAccount(account);
2100					callback.onAccountCreated(account);
2101					if (Config.X509_VERIFICATION) {
2102						try {
2103							getMemorizingTrustManager().getNonInteractive(account.getJid().getDomain()).checkClientTrusted(chain, "RSA");
2104						} catch (CertificateException e) {
2105							callback.informUser(R.string.certificate_chain_is_not_trusted);
2106						}
2107					}
2108				} else {
2109					callback.informUser(R.string.account_already_exists);
2110				}
2111			} catch (Exception e) {
2112				e.printStackTrace();
2113				callback.informUser(R.string.unable_to_parse_certificate);
2114			}
2115		}).start();
2116
2117	}
2118
2119	public void updateKeyInAccount(final Account account, final String alias) {
2120		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": update key in account " + alias);
2121		try {
2122			X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
2123			Log.d(Config.LOGTAG, account.getJid().asBareJid() + " loaded certificate chain");
2124			Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
2125			if (info == null) {
2126				showErrorToastInUi(R.string.certificate_does_not_contain_jid);
2127				return;
2128			}
2129			if (account.getJid().asBareJid().equals(info.first)) {
2130				account.setPrivateKeyAlias(alias);
2131				account.setDisplayName(info.second);
2132				databaseBackend.updateAccount(account);
2133				if (Config.X509_VERIFICATION) {
2134					try {
2135						getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
2136					} catch (CertificateException e) {
2137						showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
2138					}
2139					account.getAxolotlService().regenerateKeys(true);
2140				}
2141			} else {
2142				showErrorToastInUi(R.string.jid_does_not_match_certificate);
2143			}
2144		} catch (Exception e) {
2145			e.printStackTrace();
2146		}
2147	}
2148
2149	public boolean updateAccount(final Account account) {
2150		if (databaseBackend.updateAccount(account)) {
2151			account.setShowErrorNotification(true);
2152			this.statusListener.onStatusChanged(account);
2153			databaseBackend.updateAccount(account);
2154			reconnectAccountInBackground(account);
2155			updateAccountUi();
2156			getNotificationService().updateErrorNotification();
2157			toggleForegroundService();
2158			syncEnabledAccountSetting();
2159			return true;
2160		} else {
2161			return false;
2162		}
2163	}
2164
2165	public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
2166		final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
2167		sendIqPacket(account, iq, (a, packet) -> {
2168			if (packet.getType() == IqPacket.TYPE.RESULT) {
2169				a.setPassword(newPassword);
2170				a.setOption(Account.OPTION_MAGIC_CREATE, false);
2171				databaseBackend.updateAccount(a);
2172				callback.onPasswordChangeSucceeded();
2173			} else {
2174				callback.onPasswordChangeFailed();
2175			}
2176		});
2177	}
2178
2179	public void deleteAccount(final Account account) {
2180		synchronized (this.conversations) {
2181			for (final Conversation conversation : conversations) {
2182				if (conversation.getAccount() == account) {
2183					if (conversation.getMode() == Conversation.MODE_MULTI) {
2184						leaveMuc(conversation);
2185					}
2186					conversations.remove(conversation);
2187				}
2188			}
2189			if (account.getXmppConnection() != null) {
2190				new Thread(() -> disconnect(account, true)).start();
2191			}
2192			final Runnable runnable = () -> {
2193				if (!databaseBackend.deleteAccount(account)) {
2194					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to delete account");
2195				}
2196			};
2197			mDatabaseWriterExecutor.execute(runnable);
2198			this.accounts.remove(account);
2199			this.mRosterSyncTaskManager.clear(account);
2200			updateAccountUi();
2201			getNotificationService().updateErrorNotification();
2202			syncEnabledAccountSetting();
2203			toggleForegroundService();
2204		}
2205	}
2206
2207	public void setOnConversationListChangedListener(OnConversationUpdate listener) {
2208		final boolean remainingListeners;
2209		synchronized (LISTENER_LOCK) {
2210			remainingListeners = checkListeners();
2211			if (!this.mOnConversationUpdates.add(listener)) {
2212				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as ConversationListChangedListener");
2213			}
2214			this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2215		}
2216		if (remainingListeners) {
2217			switchToForeground();
2218		}
2219	}
2220
2221	public void removeOnConversationListChangedListener(OnConversationUpdate listener) {
2222		final boolean remainingListeners;
2223		synchronized (LISTENER_LOCK) {
2224			this.mOnConversationUpdates.remove(listener);
2225			this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2226			remainingListeners = checkListeners();
2227		}
2228		if (remainingListeners) {
2229			switchToBackground();
2230		}
2231	}
2232
2233	public void setOnShowErrorToastListener(OnShowErrorToast listener) {
2234		final boolean remainingListeners;
2235		synchronized (LISTENER_LOCK) {
2236			remainingListeners = checkListeners();
2237			if (!this.mOnShowErrorToasts.add(listener)) {
2238				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnShowErrorToastListener");
2239			}
2240		}
2241		if (remainingListeners) {
2242			switchToForeground();
2243		}
2244	}
2245
2246	public void removeOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
2247		final boolean remainingListeners;
2248		synchronized (LISTENER_LOCK) {
2249			this.mOnShowErrorToasts.remove(onShowErrorToast);
2250			remainingListeners = checkListeners();
2251		}
2252		if (remainingListeners) {
2253			switchToBackground();
2254		}
2255	}
2256
2257	public void setOnAccountListChangedListener(OnAccountUpdate listener) {
2258		final boolean remainingListeners;
2259		synchronized (LISTENER_LOCK) {
2260			remainingListeners = checkListeners();
2261			if (!this.mOnAccountUpdates.add(listener)) {
2262				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnAccountListChangedtListener");
2263			}
2264		}
2265		if (remainingListeners) {
2266			switchToForeground();
2267		}
2268	}
2269
2270	public void removeOnAccountListChangedListener(OnAccountUpdate listener) {
2271		final boolean remainingListeners;
2272		synchronized (LISTENER_LOCK) {
2273			this.mOnAccountUpdates.remove(listener);
2274			remainingListeners = checkListeners();
2275		}
2276		if (remainingListeners) {
2277			switchToBackground();
2278		}
2279	}
2280
2281	public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2282		final boolean remainingListeners;
2283		synchronized (LISTENER_LOCK) {
2284			remainingListeners = checkListeners();
2285			if (!this.mOnCaptchaRequested.add(listener)) {
2286				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnCaptchaRequestListener");
2287			}
2288		}
2289		if (remainingListeners) {
2290			switchToForeground();
2291		}
2292	}
2293
2294	public void removeOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2295		final boolean remainingListeners;
2296		synchronized (LISTENER_LOCK) {
2297			this.mOnCaptchaRequested.remove(listener);
2298			remainingListeners = checkListeners();
2299		}
2300		if (remainingListeners) {
2301			switchToBackground();
2302		}
2303	}
2304
2305	public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
2306		final boolean remainingListeners;
2307		synchronized (LISTENER_LOCK) {
2308			remainingListeners = checkListeners();
2309			if (!this.mOnRosterUpdates.add(listener)) {
2310				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnRosterUpdateListener");
2311			}
2312		}
2313		if (remainingListeners) {
2314			switchToForeground();
2315		}
2316	}
2317
2318	public void removeOnRosterUpdateListener(final OnRosterUpdate listener) {
2319		final boolean remainingListeners;
2320		synchronized (LISTENER_LOCK) {
2321			this.mOnRosterUpdates.remove(listener);
2322			remainingListeners = checkListeners();
2323		}
2324		if (remainingListeners) {
2325			switchToBackground();
2326		}
2327	}
2328
2329	public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2330		final boolean remainingListeners;
2331		synchronized (LISTENER_LOCK) {
2332			remainingListeners = checkListeners();
2333			if (!this.mOnUpdateBlocklist.add(listener)) {
2334				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnUpdateBlocklistListener");
2335			}
2336		}
2337		if (remainingListeners) {
2338			switchToForeground();
2339		}
2340	}
2341
2342	public void removeOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2343		final boolean remainingListeners;
2344		synchronized (LISTENER_LOCK) {
2345			this.mOnUpdateBlocklist.remove(listener);
2346			remainingListeners = checkListeners();
2347		}
2348		if (remainingListeners) {
2349			switchToBackground();
2350		}
2351	}
2352
2353	public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
2354		final boolean remainingListeners;
2355		synchronized (LISTENER_LOCK) {
2356			remainingListeners = checkListeners();
2357			if (!this.mOnKeyStatusUpdated.add(listener)) {
2358				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnKeyStatusUpdateListener");
2359			}
2360		}
2361		if (remainingListeners) {
2362			switchToForeground();
2363		}
2364	}
2365
2366	public void removeOnNewKeysAvailableListener(final OnKeyStatusUpdated listener) {
2367		final boolean remainingListeners;
2368		synchronized (LISTENER_LOCK) {
2369			this.mOnKeyStatusUpdated.remove(listener);
2370			remainingListeners = checkListeners();
2371		}
2372		if (remainingListeners) {
2373			switchToBackground();
2374		}
2375	}
2376
2377	public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
2378		final boolean remainingListeners;
2379		synchronized (LISTENER_LOCK) {
2380			remainingListeners = checkListeners();
2381			if (!this.mOnMucRosterUpdate.add(listener)) {
2382				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnMucRosterListener");
2383			}
2384		}
2385		if (remainingListeners) {
2386			switchToForeground();
2387		}
2388	}
2389
2390	public void removeOnMucRosterUpdateListener(final OnMucRosterUpdate listener) {
2391		final boolean remainingListeners;
2392		synchronized (LISTENER_LOCK) {
2393			this.mOnMucRosterUpdate.remove(listener);
2394			remainingListeners = checkListeners();
2395		}
2396		if (remainingListeners) {
2397			switchToBackground();
2398		}
2399	}
2400
2401	public boolean checkListeners() {
2402		return (this.mOnAccountUpdates.size() == 0
2403				&& this.mOnConversationUpdates.size() == 0
2404				&& this.mOnRosterUpdates.size() == 0
2405				&& this.mOnCaptchaRequested.size() == 0
2406				&& this.mOnMucRosterUpdate.size() == 0
2407				&& this.mOnUpdateBlocklist.size() == 0
2408				&& this.mOnShowErrorToasts.size() == 0
2409				&& this.mOnKeyStatusUpdated.size() == 0);
2410	}
2411
2412	private void switchToForeground() {
2413		final boolean broadcastLastActivity = broadcastLastActivity();
2414		for (Conversation conversation : getConversations()) {
2415			if (conversation.getMode() == Conversation.MODE_MULTI) {
2416				conversation.getMucOptions().resetChatState();
2417			} else {
2418				conversation.setIncomingChatState(Config.DEFAULT_CHATSTATE);
2419			}
2420		}
2421		for (Account account : getAccounts()) {
2422			if (account.getStatus() == Account.State.ONLINE) {
2423				account.deactivateGracePeriod();
2424				final XmppConnection connection = account.getXmppConnection();
2425				if (connection != null) {
2426					if (connection.getFeatures().csi()) {
2427						connection.sendActive();
2428					}
2429					if (broadcastLastActivity) {
2430						sendPresence(account, false); //send new presence but don't include idle because we are not
2431					}
2432				}
2433			}
2434		}
2435		Log.d(Config.LOGTAG, "app switched into foreground");
2436	}
2437
2438	private void switchToBackground() {
2439		final boolean broadcastLastActivity = broadcastLastActivity();
2440		if (broadcastLastActivity) {
2441			mLastActivity = System.currentTimeMillis();
2442			final SharedPreferences.Editor editor = getPreferences().edit();
2443			editor.putLong(SETTING_LAST_ACTIVITY_TS, mLastActivity);
2444			editor.apply();
2445		}
2446		for (Account account : getAccounts()) {
2447			if (account.getStatus() == Account.State.ONLINE) {
2448				XmppConnection connection = account.getXmppConnection();
2449				if (connection != null) {
2450					if (broadcastLastActivity) {
2451						sendPresence(account, true);
2452					}
2453					if (connection.getFeatures().csi()) {
2454						connection.sendInactive();
2455					}
2456				}
2457			}
2458		}
2459		this.mNotificationService.setIsInForeground(false);
2460		Log.d(Config.LOGTAG, "app switched into background");
2461	}
2462
2463	private void connectMultiModeConversations(Account account) {
2464		List<Conversation> conversations = getConversations();
2465		for (Conversation conversation : conversations) {
2466			if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
2467				joinMuc(conversation);
2468			}
2469		}
2470	}
2471
2472	public void mucSelfPingAndRejoin(final Conversation conversation) {
2473	    final Account account = conversation.getAccount();
2474	    synchronized (account.inProgressConferenceJoins) {
2475            if (account.inProgressConferenceJoins.contains(conversation)) {
2476                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because join is already under way");
2477                return;
2478            }
2479        }
2480        synchronized (account.inProgressConferencePings) {
2481	        if (!account.inProgressConferencePings.add(conversation)) {
2482	            Log.d(Config.LOGTAG, account.getJid().asBareJid()+": canceling muc self ping because ping is already under way");
2483	            return;
2484            }
2485        }
2486	    final Jid self = conversation.getMucOptions().getSelf().getFullJid();
2487	    final IqPacket ping = new IqPacket(IqPacket.TYPE.GET);
2488	    ping.setTo(self);
2489	    ping.addChild("ping", Namespace.PING);
2490	    sendIqPacket(conversation.getAccount(), ping, (a, response) -> {
2491	        if (response.getType() == IqPacket.TYPE.ERROR) {
2492	            Element error = response.findChild("error");
2493	            if (error == null || error.hasChild("service-unavailable") || error.hasChild("feature-not-implemented") || error.hasChild("item-not-found")) {
2494	                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": ping to "+self+" came back as ignorable error");
2495                } else {
2496	                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": ping to "+self+" failed. attempting rejoin");
2497	                joinMuc(conversation);
2498                }
2499            } else if (response.getType() == IqPacket.TYPE.RESULT) {
2500	            Log.d(Config.LOGTAG,a.getJid().asBareJid()+": ping to "+self+" came back fine");
2501            }
2502	        synchronized (account.inProgressConferencePings) {
2503	            account.inProgressConferencePings.remove(conversation);
2504            }
2505        });
2506    }
2507
2508	public void joinMuc(Conversation conversation) {
2509		joinMuc(conversation, null, false);
2510	}
2511
2512	public void joinMuc(Conversation conversation, boolean followedInvite) {
2513		joinMuc(conversation, null, followedInvite);
2514	}
2515
2516	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2517		joinMuc(conversation, onConferenceJoined, false);
2518	}
2519
2520	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined, final boolean followedInvite) {
2521		Account account = conversation.getAccount();
2522		account.pendingConferenceJoins.remove(conversation);
2523		account.pendingConferenceLeaves.remove(conversation);
2524		if (account.getStatus() == Account.State.ONLINE) {
2525		    synchronized (account.inProgressConferenceJoins) {
2526                account.inProgressConferenceJoins.add(conversation);
2527            }
2528			sendPresencePacket(account, mPresenceGenerator.leave(conversation.getMucOptions()));
2529			conversation.resetMucOptions();
2530			if (onConferenceJoined != null) {
2531				conversation.getMucOptions().flagNoAutoPushConfiguration();
2532			}
2533			conversation.setHasMessagesLeftOnServer(false);
2534			fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
2535
2536				private void join(Conversation conversation) {
2537					Account account = conversation.getAccount();
2538					final MucOptions mucOptions = conversation.getMucOptions();
2539
2540					if (mucOptions.nonanonymous() && !mucOptions.membersOnly() && !conversation.getBooleanAttribute("accept_non_anonymous", false)) {
2541					    mucOptions.setError(MucOptions.Error.NON_ANONYMOUS);
2542					    updateConversationUi();
2543                        if (onConferenceJoined != null) {
2544                            onConferenceJoined.onConferenceJoined(conversation);
2545                        }
2546					    return;
2547                    }
2548
2549					final Jid joinJid = mucOptions.getSelf().getFullJid();
2550					Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": joining conversation " + joinJid.toString());
2551					PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous() || onConferenceJoined != null);
2552					packet.setTo(joinJid);
2553					Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
2554					if (conversation.getMucOptions().getPassword() != null) {
2555						x.addChild("password").setContent(mucOptions.getPassword());
2556					}
2557
2558					if (mucOptions.mamSupport()) {
2559						// Use MAM instead of the limited muc history to get history
2560						x.addChild("history").setAttribute("maxchars", "0");
2561					} else {
2562						// Fallback to muc history
2563						x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted().getTimestamp()));
2564					}
2565					sendPresencePacket(account, packet);
2566					if (onConferenceJoined != null) {
2567						onConferenceJoined.onConferenceJoined(conversation);
2568					}
2569					if (!joinJid.equals(conversation.getJid())) {
2570						conversation.setContactJid(joinJid);
2571						databaseBackend.updateConversation(conversation);
2572					}
2573
2574					if (mucOptions.mamSupport()) {
2575						getMessageArchiveService().catchupMUC(conversation);
2576					}
2577					if (mucOptions.isPrivateAndNonAnonymous()) {
2578						fetchConferenceMembers(conversation);
2579						if (followedInvite && conversation.getBookmark() == null) {
2580							saveConversationAsBookmark(conversation, null);
2581						}
2582					}
2583					if (mucOptions.push()) {
2584					    enableMucPush(conversation);
2585                    }
2586					synchronized (account.inProgressConferenceJoins) {
2587                        account.inProgressConferenceJoins.remove(conversation);
2588                        sendUnsentMessages(conversation);
2589                    }
2590				}
2591
2592				@Override
2593				public void onConferenceConfigurationFetched(Conversation conversation) {
2594				    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2595				        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": conversation ("+conversation.getJid()+") got archived before IQ result");
2596				        return;
2597                    }
2598					join(conversation);
2599				}
2600
2601				@Override
2602				public void onFetchFailed(final Conversation conversation, Element error) {
2603                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2604                        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": conversation ("+conversation.getJid()+") got archived before IQ result");
2605
2606                        return;
2607                    }
2608					if (error != null && "remote-server-not-found".equals(error.getName())) {
2609					    synchronized (account.inProgressConferenceJoins) {
2610                            account.inProgressConferenceJoins.remove(conversation);
2611                        }
2612						conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
2613						updateConversationUi();
2614					} else {
2615						join(conversation);
2616						fetchConferenceConfiguration(conversation);
2617					}
2618				}
2619			});
2620			updateConversationUi();
2621		} else {
2622			account.pendingConferenceJoins.add(conversation);
2623			conversation.resetMucOptions();
2624			conversation.setHasMessagesLeftOnServer(false);
2625			updateConversationUi();
2626		}
2627	}
2628
2629	private void enableDirectMucPush(final Conversation conversation) {
2630        final Account account = conversation.getAccount();
2631        final Jid room = conversation.getJid().asBareJid();
2632        final IqPacket enable = mIqGenerator.enablePush(conversation.getAccount().getJid(), conversation.getUuid(), null);
2633        enable.setTo(room);
2634        sendIqPacket(account, enable, (a, response) -> {
2635            if (response.getType() == IqPacket.TYPE.RESULT) {
2636                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": enabled direct push for muc "+room);
2637            } else if (response.getType() == IqPacket.TYPE.ERROR) {
2638                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": unable to enable direct push for muc "+room+" "+response.getError());
2639            }
2640        });
2641    }
2642
2643	private void enableMucPush(final Conversation conversation) {
2644	    enableDirectMucPush(conversation);
2645        mPushManagementService.registerPushTokenOnServer(conversation);
2646    }
2647
2648    private void disableDirectMucPush(final Conversation conversation) {
2649        final Account account = conversation.getAccount();
2650        final Jid room = conversation.getJid().asBareJid();
2651        final IqPacket disable = mIqGenerator.disablePush(conversation.getAccount().getJid(), conversation.getUuid());
2652        disable.setTo(room);
2653        sendIqPacket(account, disable, (a, response) -> {
2654            if (response.getType() == IqPacket.TYPE.RESULT) {
2655                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": disabled direct push for muc "+room);
2656            } else if (response.getType() == IqPacket.TYPE.ERROR) {
2657                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": unable to disable direct push for muc "+room+" "+response.getError());
2658            }
2659        });
2660    }
2661
2662	private void fetchConferenceMembers(final Conversation conversation) {
2663		final Account account = conversation.getAccount();
2664		final AxolotlService axolotlService = account.getAxolotlService();
2665		final String[] affiliations = {"member", "admin", "owner"};
2666		OnIqPacketReceived callback = new OnIqPacketReceived() {
2667
2668			private int i = 0;
2669			private boolean success = true;
2670
2671			@Override
2672			public void onIqPacketReceived(Account account, IqPacket packet) {
2673				final boolean omemoEnabled = conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL;
2674				Element query = packet.query("http://jabber.org/protocol/muc#admin");
2675				if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2676					for (Element child : query.getChildren()) {
2677						if ("item".equals(child.getName())) {
2678							MucOptions.User user = AbstractParser.parseItem(conversation, child);
2679							if (!user.realJidMatchesAccount()) {
2680								boolean isNew = conversation.getMucOptions().updateUser(user);
2681								Contact contact = user.getContact();
2682								if (omemoEnabled
2683										&& isNew
2684										&& user.getRealJid() != null
2685										&& (contact == null || !contact.mutualPresenceSubscription())
2686										&& axolotlService.hasEmptyDeviceList(user.getRealJid())) {
2687									axolotlService.fetchDeviceIds(user.getRealJid());
2688								}
2689							}
2690						}
2691					}
2692				} else {
2693					success = false;
2694					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not request affiliation " + affiliations[i] + " in " + conversation.getJid().asBareJid());
2695				}
2696				++i;
2697				if (i >= affiliations.length) {
2698					List<Jid> members = conversation.getMucOptions().getMembers(true);
2699					if (success) {
2700						List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
2701						boolean changed = false;
2702						for (ListIterator<Jid> iterator = cryptoTargets.listIterator(); iterator.hasNext(); ) {
2703							Jid jid = iterator.next();
2704							if (!members.contains(jid) && !members.contains(Jid.ofDomain(jid.getDomain()))) {
2705								iterator.remove();
2706								Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
2707								changed = true;
2708							}
2709						}
2710						if (changed) {
2711							conversation.setAcceptedCryptoTargets(cryptoTargets);
2712							updateConversation(conversation);
2713						}
2714					}
2715					getAvatarService().clear(conversation);
2716					updateMucRosterUi();
2717					updateConversationUi();
2718				}
2719			}
2720		};
2721		for (String affiliation : affiliations) {
2722			sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
2723		}
2724		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching members for " + conversation.getName());
2725	}
2726
2727	public void providePasswordForMuc(Conversation conversation, String password) {
2728		if (conversation.getMode() == Conversation.MODE_MULTI) {
2729			conversation.getMucOptions().setPassword(password);
2730			if (conversation.getBookmark() != null) {
2731				if (synchronizeWithBookmarks()) {
2732					conversation.getBookmark().setAutojoin(true);
2733				}
2734				pushBookmarks(conversation.getAccount());
2735			}
2736			updateConversation(conversation);
2737			joinMuc(conversation);
2738		}
2739	}
2740
2741	private boolean hasEnabledAccounts() {
2742	    if (this.accounts == null) {
2743	        return false;
2744	    }
2745	    for (Account account : this.accounts) {
2746	        if (account.isEnabled()) {
2747	            return true;
2748	        }
2749	    }
2750	    return false;
2751	}
2752
2753
2754	public void getAttachments(final Conversation conversation, int limit, final OnMediaLoaded onMediaLoaded) {
2755        getAttachments(conversation.getAccount(), conversation.getJid().asBareJid(), limit, onMediaLoaded);
2756    }
2757
2758    public void getAttachments(final Account account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
2759        getAttachments(account.getUuid(),jid.asBareJid(),limit, onMediaLoaded);
2760    }
2761
2762
2763	public void getAttachments(final String account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
2764        new Thread(() -> onMediaLoaded.onMediaLoaded(fileBackend.convertToAttachments(databaseBackend.getRelativeFilePaths(account, jid, limit)))).start();
2765    }
2766
2767	public void persistSelfNick(MucOptions.User self) {
2768		final Conversation conversation = self.getConversation();
2769		final boolean tookProposedNickFromBookmark = conversation.getMucOptions().isTookProposedNickFromBookmark();
2770		Jid full = self.getFullJid();
2771		if (!full.equals(conversation.getJid())) {
2772			Log.d(Config.LOGTAG, "nick changed. updating");
2773			conversation.setContactJid(full);
2774			databaseBackend.updateConversation(conversation);
2775		}
2776
2777		final Bookmark bookmark = conversation.getBookmark();
2778		final String bookmarkedNick = bookmark == null ? null : bookmark.getNick();
2779        if (bookmark != null && (tookProposedNickFromBookmark || TextUtils.isEmpty(bookmarkedNick)) && !full.getResource().equals(bookmarkedNick)) {
2780            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": persist nick '" + full.getResource() + "' into bookmark for " + conversation.getJid().asBareJid());
2781            bookmark.setNick(full.getResource());
2782            pushBookmarks(bookmark.getAccount());
2783        }
2784	}
2785
2786	public boolean renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
2787		final MucOptions options = conversation.getMucOptions();
2788		final Jid joinJid = options.createJoinJid(nick);
2789		if (joinJid == null) {
2790			return false;
2791		}
2792		if (options.online()) {
2793			Account account = conversation.getAccount();
2794			options.setOnRenameListener(new OnRenameListener() {
2795
2796				@Override
2797				public void onSuccess() {
2798					callback.success(conversation);
2799				}
2800
2801				@Override
2802				public void onFailure() {
2803					callback.error(R.string.nick_in_use, conversation);
2804				}
2805			});
2806
2807			PresencePacket packet = new PresencePacket();
2808			packet.setTo(joinJid);
2809			packet.setFrom(conversation.getAccount().getJid());
2810
2811			String sig = account.getPgpSignature();
2812			if (sig != null) {
2813				packet.addChild("status").setContent("online");
2814				packet.addChild("x", "jabber:x:signed").setContent(sig);
2815			}
2816			sendPresencePacket(account, packet);
2817		} else {
2818			conversation.setContactJid(joinJid);
2819			databaseBackend.updateConversation(conversation);
2820			if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2821				Bookmark bookmark = conversation.getBookmark();
2822				if (bookmark != null) {
2823					bookmark.setNick(nick);
2824					pushBookmarks(bookmark.getAccount());
2825				}
2826				joinMuc(conversation);
2827			}
2828		}
2829		return true;
2830	}
2831
2832	public void leaveMuc(Conversation conversation) {
2833		leaveMuc(conversation, false);
2834	}
2835
2836	private void leaveMuc(Conversation conversation, boolean now) {
2837		Account account = conversation.getAccount();
2838		account.pendingConferenceJoins.remove(conversation);
2839		account.pendingConferenceLeaves.remove(conversation);
2840		if (account.getStatus() == Account.State.ONLINE || now) {
2841		    if (conversation.getMucOptions().push()) {
2842		        disableDirectMucPush(conversation);
2843		        mPushManagementService.disablePushOnServer(conversation);
2844            }
2845			sendPresencePacket(conversation.getAccount(), mPresenceGenerator.leave(conversation.getMucOptions()));
2846			conversation.getMucOptions().setOffline();
2847			Bookmark bookmark = conversation.getBookmark();
2848			if (bookmark != null) {
2849				bookmark.setConversation(null);
2850			}
2851			Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": leaving muc " + conversation.getJid());
2852		} else {
2853			account.pendingConferenceLeaves.add(conversation);
2854		}
2855	}
2856
2857	public String findConferenceServer(final Account account) {
2858		String server;
2859		if (account.getXmppConnection() != null) {
2860			server = account.getXmppConnection().getMucServer();
2861			if (server != null) {
2862				return server;
2863			}
2864		}
2865		for (Account other : getAccounts()) {
2866			if (other != account && other.getXmppConnection() != null) {
2867				server = other.getXmppConnection().getMucServer();
2868				if (server != null) {
2869					return server;
2870				}
2871			}
2872		}
2873		return null;
2874	}
2875
2876
2877	public void createPublicChannel(final Account account, final String name, final Jid address, final UiCallback<Conversation> callback) {
2878        joinMuc(findOrCreateConversation(account, address, true, false, true), conversation -> {
2879            final Bundle configuration = IqGenerator.defaultChannelConfiguration();
2880            if (!TextUtils.isEmpty(name)) {
2881                configuration.putString("muc#roomconfig_roomname", name);
2882            }
2883            pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
2884                @Override
2885                public void onPushSucceeded() {
2886                    saveConversationAsBookmark(conversation, name);
2887                    callback.success(conversation);
2888                }
2889
2890                @Override
2891                public void onPushFailed() {
2892                    if (conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
2893                        callback.error(R.string.unable_to_set_channel_configuration, conversation);
2894                    } else {
2895                        callback.error(R.string.joined_an_existing_channel, conversation);
2896                    }
2897                }
2898            });
2899        });
2900    }
2901
2902	public boolean createAdhocConference(final Account account,
2903	                                     final String name,
2904	                                     final Iterable<Jid> jids,
2905	                                     final UiCallback<Conversation> callback) {
2906		Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": creating adhoc conference with " + jids.toString());
2907		if (account.getStatus() == Account.State.ONLINE) {
2908			try {
2909				String server = findConferenceServer(account);
2910				if (server == null) {
2911					if (callback != null) {
2912						callback.error(R.string.no_conference_server_found, null);
2913					}
2914					return false;
2915				}
2916				final Jid jid = Jid.of(CryptoHelper.pronounceable(getRNG()), server, null);
2917				final Conversation conversation = findOrCreateConversation(account, jid, true, false, true);
2918				joinMuc(conversation, new OnConferenceJoined() {
2919					@Override
2920					public void onConferenceJoined(final Conversation conversation) {
2921						final Bundle configuration = IqGenerator.defaultGroupChatConfiguration();
2922						if (!TextUtils.isEmpty(name)) {
2923							configuration.putString("muc#roomconfig_roomname", name);
2924						}
2925						pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
2926							@Override
2927							public void onPushSucceeded() {
2928								for (Jid invite : jids) {
2929									invite(conversation, invite);
2930								}
2931								if (account.countPresences() > 1) {
2932									directInvite(conversation, account.getJid().asBareJid());
2933								}
2934								saveConversationAsBookmark(conversation, name);
2935								if (callback != null) {
2936									callback.success(conversation);
2937								}
2938							}
2939
2940							@Override
2941							public void onPushFailed() {
2942								archiveConversation(conversation);
2943								if (callback != null) {
2944									callback.error(R.string.conference_creation_failed, conversation);
2945								}
2946							}
2947						});
2948					}
2949				});
2950				return true;
2951			} catch (IllegalArgumentException e) {
2952				if (callback != null) {
2953					callback.error(R.string.conference_creation_failed, null);
2954				}
2955				return false;
2956			}
2957		} else {
2958			if (callback != null) {
2959				callback.error(R.string.not_connected_try_again, null);
2960			}
2961			return false;
2962		}
2963	}
2964
2965	public void fetchConferenceConfiguration(final Conversation conversation) {
2966		fetchConferenceConfiguration(conversation, null);
2967	}
2968
2969	public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
2970		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2971		request.setTo(conversation.getJid().asBareJid());
2972		request.query("http://jabber.org/protocol/disco#info");
2973		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2974			@Override
2975			public void onIqPacketReceived(Account account, IqPacket packet) {
2976				if (packet.getType() == IqPacket.TYPE.RESULT) {
2977
2978					final MucOptions mucOptions = conversation.getMucOptions();
2979					final Bookmark bookmark = conversation.getBookmark();
2980					final boolean sameBefore = StringUtils.equals(bookmark == null ? null : bookmark.getBookmarkName(), mucOptions.getName());
2981
2982					if (mucOptions.updateConfiguration(new ServiceDiscoveryResult(packet))) {
2983						Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": muc configuration changed for " + conversation.getJid().asBareJid());
2984						updateConversation(conversation);
2985					}
2986
2987					if (bookmark != null && (sameBefore || bookmark.getBookmarkName() == null)) {
2988						if (bookmark.setBookmarkName(StringUtils.nullOnEmpty(mucOptions.getName()))) {
2989							pushBookmarks(account);
2990						}
2991					}
2992
2993
2994					if (callback != null) {
2995						callback.onConferenceConfigurationFetched(conversation);
2996					}
2997
2998
2999
3000					updateConversationUi();
3001				} else if (packet.getType() == IqPacket.TYPE.ERROR) {
3002					if (callback != null) {
3003						callback.onFetchFailed(conversation, packet.getError());
3004					}
3005				}
3006			}
3007		});
3008	}
3009
3010	public void pushNodeConfiguration(Account account, final String node, final Bundle options, final OnConfigurationPushed callback) {
3011		pushNodeConfiguration(account, account.getJid().asBareJid(), node, options, callback);
3012	}
3013
3014	public void pushNodeConfiguration(Account account, final Jid jid, final String node, final Bundle options, final OnConfigurationPushed callback) {
3015        Log.d(Config.LOGTAG,"pushing node configuration");
3016		sendIqPacket(account, mIqGenerator.requestPubsubConfiguration(jid, node), new OnIqPacketReceived() {
3017			@Override
3018			public void onIqPacketReceived(Account account, IqPacket packet) {
3019				if (packet.getType() == IqPacket.TYPE.RESULT) {
3020					Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub#owner");
3021					Element configuration = pubsub == null ? null : pubsub.findChild("configure");
3022					Element x = configuration == null ? null : configuration.findChild("x", Namespace.DATA);
3023					if (x != null) {
3024						Data data = Data.parse(x);
3025						data.submit(options);
3026						sendIqPacket(account, mIqGenerator.publishPubsubConfiguration(jid, node, data), new OnIqPacketReceived() {
3027							@Override
3028							public void onIqPacketReceived(Account account, IqPacket packet) {
3029								if (packet.getType() == IqPacket.TYPE.RESULT && callback != null) {
3030									Log.d(Config.LOGTAG,account.getJid().asBareJid()+": successfully changed node configuration for node "+node);
3031									callback.onPushSucceeded();
3032								} else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3033									callback.onPushFailed();
3034								}
3035							}
3036						});
3037					} else if (callback != null) {
3038						callback.onPushFailed();
3039					}
3040				} else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3041					callback.onPushFailed();
3042				}
3043			}
3044		});
3045	}
3046
3047	public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConfigurationPushed callback) {
3048	    if (options.getString("muc#roomconfig_whois","moderators").equals("anyone")) {
3049	        conversation.setAttribute("accept_non_anonymous",true);
3050            updateConversation(conversation);
3051        }
3052		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3053		request.setTo(conversation.getJid().asBareJid());
3054		request.query("http://jabber.org/protocol/muc#owner");
3055		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3056			@Override
3057			public void onIqPacketReceived(Account account, IqPacket packet) {
3058				if (packet.getType() == IqPacket.TYPE.RESULT) {
3059					Data data = Data.parse(packet.query().findChild("x", Namespace.DATA));
3060					data.submit(options);
3061					Log.d(Config.LOGTAG,data.toString());
3062					IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3063					set.setTo(conversation.getJid().asBareJid());
3064					set.query("http://jabber.org/protocol/muc#owner").addChild(data);
3065					sendIqPacket(account, set, new OnIqPacketReceived() {
3066						@Override
3067						public void onIqPacketReceived(Account account, IqPacket packet) {
3068							if (callback != null) {
3069								if (packet.getType() == IqPacket.TYPE.RESULT) {
3070									callback.onPushSucceeded();
3071								} else {
3072									callback.onPushFailed();
3073								}
3074							}
3075						}
3076					});
3077				} else {
3078					if (callback != null) {
3079						callback.onPushFailed();
3080					}
3081				}
3082			}
3083		});
3084	}
3085
3086	public void pushSubjectToConference(final Conversation conference, final String subject) {
3087		MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, StringUtils.nullOnEmpty(subject));
3088		this.sendMessagePacket(conference.getAccount(), packet);
3089	}
3090
3091	public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
3092		final Jid jid = user.asBareJid();
3093		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
3094		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
3095			@Override
3096			public void onIqPacketReceived(Account account, IqPacket packet) {
3097				if (packet.getType() == IqPacket.TYPE.RESULT) {
3098					conference.getMucOptions().changeAffiliation(jid, affiliation);
3099					getAvatarService().clear(conference);
3100					callback.onAffiliationChangedSuccessful(jid);
3101				} else {
3102					callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
3103				}
3104			}
3105		});
3106	}
3107
3108	public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
3109		List<Jid> jids = new ArrayList<>();
3110		for (MucOptions.User user : conference.getMucOptions().getUsers()) {
3111			if (user.getAffiliation() == before && user.getRealJid() != null) {
3112				jids.add(user.getRealJid());
3113			}
3114		}
3115		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
3116		sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
3117	}
3118
3119	public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role) {
3120		IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
3121		Log.d(Config.LOGTAG, request.toString());
3122		sendIqPacket(conference.getAccount(), request, (account, packet) -> {
3123            if (packet.getType() != IqPacket.TYPE.RESULT) {
3124                Log.d(Config.LOGTAG,account.getJid().asBareJid()+" unable to change role of "+nick);
3125            }
3126        });
3127	}
3128
3129    public void destroyRoom(final Conversation conversation, final OnRoomDestroy callback) {
3130        IqPacket request = new IqPacket(IqPacket.TYPE.SET);
3131        request.setTo(conversation.getJid().asBareJid());
3132        request.query("http://jabber.org/protocol/muc#owner").addChild("destroy");
3133        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3134            @Override
3135            public void onIqPacketReceived(Account account, IqPacket packet) {
3136                if (packet.getType() == IqPacket.TYPE.RESULT) {
3137                    if (callback != null) {
3138                        callback.onRoomDestroySucceeded();
3139                    }
3140                } else if (packet.getType() == IqPacket.TYPE.ERROR) {
3141                    if (callback != null) {
3142                        callback.onRoomDestroyFailed();
3143                    }
3144                }
3145            }
3146        });
3147    }
3148
3149	private void disconnect(Account account, boolean force) {
3150		if ((account.getStatus() == Account.State.ONLINE)
3151				|| (account.getStatus() == Account.State.DISABLED)) {
3152			final XmppConnection connection = account.getXmppConnection();
3153			if (!force) {
3154				List<Conversation> conversations = getConversations();
3155				for (Conversation conversation : conversations) {
3156					if (conversation.getAccount() == account) {
3157						if (conversation.getMode() == Conversation.MODE_MULTI) {
3158							leaveMuc(conversation, true);
3159						}
3160					}
3161				}
3162				sendOfflinePresence(account);
3163			}
3164			connection.disconnect(force);
3165		}
3166	}
3167
3168	@Override
3169	public IBinder onBind(Intent intent) {
3170		return mBinder;
3171	}
3172
3173	public void updateMessage(Message message) {
3174		updateMessage(message, true);
3175	}
3176
3177	public void updateMessage(Message message, boolean includeBody) {
3178		databaseBackend.updateMessage(message, includeBody);
3179		updateConversationUi();
3180	}
3181
3182	public void updateMessage(Message message, String uuid) {
3183		if (!databaseBackend.updateMessage(message, uuid)) {
3184            Log.e(Config.LOGTAG,"error updated message in DB after edit");
3185        }
3186		updateConversationUi();
3187	}
3188
3189	protected void syncDirtyContacts(Account account) {
3190		for (Contact contact : account.getRoster().getContacts()) {
3191			if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
3192				pushContactToServer(contact);
3193			}
3194			if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
3195				deleteContactOnServer(contact);
3196			}
3197		}
3198	}
3199
3200	public void createContact(Contact contact, boolean autoGrant) {
3201		if (autoGrant) {
3202			contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
3203			contact.setOption(Contact.Options.ASKING);
3204		}
3205		pushContactToServer(contact);
3206	}
3207
3208	public void pushContactToServer(final Contact contact) {
3209		contact.resetOption(Contact.Options.DIRTY_DELETE);
3210		contact.setOption(Contact.Options.DIRTY_PUSH);
3211		final Account account = contact.getAccount();
3212		if (account.getStatus() == Account.State.ONLINE) {
3213			final boolean ask = contact.getOption(Contact.Options.ASKING);
3214			final boolean sendUpdates = contact
3215					.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
3216					&& contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
3217			final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3218			iq.query(Namespace.ROSTER).addChild(contact.asElement());
3219			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3220			if (sendUpdates) {
3221				sendPresencePacket(account, mPresenceGenerator.sendPresenceUpdatesTo(contact));
3222			}
3223			if (ask) {
3224				sendPresencePacket(account, mPresenceGenerator.requestPresenceUpdatesFrom(contact));
3225			}
3226		} else {
3227			syncRoster(contact.getAccount());
3228		}
3229	}
3230
3231	public void publishMucAvatar(final Conversation conversation, final Uri image, final OnAvatarPublication callback) {
3232		new Thread(() -> {
3233			final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3234			final int size = Config.AVATAR_SIZE;
3235			final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3236			if (avatar != null) {
3237				if (!getFileBackend().save(avatar)) {
3238					callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3239					return;
3240				}
3241				avatar.owner = conversation.getJid().asBareJid();
3242				publishMucAvatar(conversation, avatar, callback);
3243			} else {
3244				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3245			}
3246		}).start();
3247	}
3248
3249	public void publishAvatar(final Account account, final Uri image, final OnAvatarPublication callback) {
3250		new Thread(() -> {
3251			final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3252			final int size = Config.AVATAR_SIZE;
3253			final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3254			if (avatar != null) {
3255				if (!getFileBackend().save(avatar)) {
3256					Log.d(Config.LOGTAG,"unable to save vcard");
3257					callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3258					return;
3259				}
3260				publishAvatar(account, avatar, callback);
3261			} else {
3262				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3263			}
3264		}).start();
3265
3266	}
3267
3268	private void publishMucAvatar(Conversation conversation, Avatar avatar, OnAvatarPublication callback) {
3269		final IqPacket retrieve = mIqGenerator.retrieveVcardAvatar(avatar);
3270		sendIqPacket(conversation.getAccount(), retrieve, (account, response) -> {
3271			boolean itemNotFound = response.getType() == IqPacket.TYPE.ERROR && response.hasChild("error") && response.findChild("error").hasChild("item-not-found");
3272			if (response.getType() == IqPacket.TYPE.RESULT || itemNotFound) {
3273				Element vcard = response.findChild("vCard", "vcard-temp");
3274				if (vcard == null) {
3275					vcard = new Element("vCard", "vcard-temp");
3276				}
3277				Element photo = vcard.findChild("PHOTO");
3278				if (photo == null) {
3279					photo = vcard.addChild("PHOTO");
3280				}
3281				photo.clearChildren();
3282				photo.addChild("TYPE").setContent(avatar.type);
3283				photo.addChild("BINVAL").setContent(avatar.image);
3284				IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
3285				publication.setTo(conversation.getJid().asBareJid());
3286				publication.addChild(vcard);
3287				sendIqPacket(account, publication, (a1, publicationResponse) -> {
3288					if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
3289						callback.onAvatarPublicationSucceeded();
3290					} else {
3291						Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getError());
3292						callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3293					}
3294				});
3295			} else {
3296				Log.d(Config.LOGTAG, "failed to request vcard " + response.toString());
3297				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_no_server_support);
3298			}
3299		});
3300	}
3301
3302    public void publishAvatar(Account account, final Avatar avatar, final OnAvatarPublication callback) {
3303        final Bundle options;
3304        if (account.getXmppConnection().getFeatures().pepPublishOptions()) {
3305            options = PublishOptions.openAccess();
3306        } else {
3307            options = null;
3308        }
3309        publishAvatar(account, avatar, options, true, callback);
3310    }
3311
3312	public void publishAvatar(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3313        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": publishing avatar. options="+options);
3314		IqPacket packet = this.mIqGenerator.publishAvatar(avatar, options);
3315		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3316
3317			@Override
3318			public void onIqPacketReceived(Account account, IqPacket result) {
3319				if (result.getType() == IqPacket.TYPE.RESULT) {
3320                    publishAvatarMetadata(account, avatar, options,true, callback);
3321                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3322				    pushNodeConfiguration(account, "urn:xmpp:avatar:data", options, new OnConfigurationPushed() {
3323                        @Override
3324                        public void onPushSucceeded() {
3325                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": changed node configuration for avatar node");
3326                            publishAvatar(account, avatar, options, false, callback);
3327                        }
3328
3329                        @Override
3330                        public void onPushFailed() {
3331                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to change node configuration for avatar node");
3332                            publishAvatar(account, avatar, null, false, callback);
3333                        }
3334                    });
3335				} else {
3336					Element error = result.findChild("error");
3337					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server rejected avatar " + (avatar.size / 1024) + "KiB " + (error != null ? error.toString() : ""));
3338					if (callback != null) {
3339						callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3340					}
3341				}
3342			}
3343		});
3344	}
3345
3346	public void publishAvatarMetadata(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3347        final IqPacket packet = XmppConnectionService.this.mIqGenerator.publishAvatarMetadata(avatar, options);
3348        sendIqPacket(account, packet, new OnIqPacketReceived() {
3349            @Override
3350            public void onIqPacketReceived(Account account, IqPacket result) {
3351                if (result.getType() == IqPacket.TYPE.RESULT) {
3352                    if (account.setAvatar(avatar.getFilename())) {
3353                        getAvatarService().clear(account);
3354                        databaseBackend.updateAccount(account);
3355                        notifyAccountAvatarHasChanged(account);
3356                    }
3357                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": published avatar " + (avatar.size / 1024) + "KiB");
3358                    if (callback != null) {
3359                        callback.onAvatarPublicationSucceeded();
3360                    }
3361                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3362                    pushNodeConfiguration(account, "urn:xmpp:avatar:metadata", options, new OnConfigurationPushed() {
3363                        @Override
3364                        public void onPushSucceeded() {
3365                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": changed node configuration for avatar meta data node");
3366                            publishAvatarMetadata(account, avatar, options,false, callback);
3367                        }
3368
3369                        @Override
3370                        public void onPushFailed() {
3371                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to change node configuration for avatar meta data node");
3372                            publishAvatarMetadata(account, avatar,  null,false, callback);
3373                        }
3374                    });
3375                } else {
3376                    if (callback != null) {
3377                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3378                    }
3379                }
3380            }
3381        });
3382    }
3383
3384	public void republishAvatarIfNeeded(Account account) {
3385		if (account.getAxolotlService().isPepBroken()) {
3386			Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping republication of avatar because pep is broken");
3387			return;
3388		}
3389		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3390		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3391
3392			private Avatar parseAvatar(IqPacket packet) {
3393				Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3394				if (pubsub != null) {
3395					Element items = pubsub.findChild("items");
3396					if (items != null) {
3397						return Avatar.parseMetadata(items);
3398					}
3399				}
3400				return null;
3401			}
3402
3403			private boolean errorIsItemNotFound(IqPacket packet) {
3404				Element error = packet.findChild("error");
3405				return packet.getType() == IqPacket.TYPE.ERROR
3406						&& error != null
3407						&& error.hasChild("item-not-found");
3408			}
3409
3410			@Override
3411			public void onIqPacketReceived(Account account, IqPacket packet) {
3412				if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
3413					Avatar serverAvatar = parseAvatar(packet);
3414					if (serverAvatar == null && account.getAvatar() != null) {
3415						Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
3416						if (avatar != null) {
3417							Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar on server was null. republishing");
3418							publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
3419						} else {
3420							Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": error rereading avatar");
3421						}
3422					}
3423				}
3424			}
3425		});
3426	}
3427
3428	public void fetchAvatar(Account account, Avatar avatar) {
3429		fetchAvatar(account, avatar, null);
3430	}
3431
3432	public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3433		final String KEY = generateFetchKey(account, avatar);
3434		synchronized (this.mInProgressAvatarFetches) {
3435		    if (mInProgressAvatarFetches.add(KEY)) {
3436                switch (avatar.origin) {
3437                    case PEP:
3438                        this.mInProgressAvatarFetches.add(KEY);
3439                        fetchAvatarPep(account, avatar, callback);
3440                        break;
3441                    case VCARD:
3442                        this.mInProgressAvatarFetches.add(KEY);
3443                        fetchAvatarVcard(account, avatar, callback);
3444                        break;
3445                }
3446            } else if (avatar.origin == Avatar.Origin.PEP) {
3447		        mOmittedPepAvatarFetches.add(KEY);
3448            } else {
3449		        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": already fetching "+avatar.origin+" avatar for "+avatar.owner);
3450            }
3451		}
3452	}
3453
3454	private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3455		IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
3456		sendIqPacket(account, packet, (a, result) -> {
3457			synchronized (mInProgressAvatarFetches) {
3458				mInProgressAvatarFetches.remove(generateFetchKey(a, avatar));
3459			}
3460			final String ERROR = a.getJid().asBareJid() + ": fetching avatar for " + avatar.owner + " failed ";
3461			if (result.getType() == IqPacket.TYPE.RESULT) {
3462				avatar.image = mIqParser.avatarData(result);
3463				if (avatar.image != null) {
3464					if (getFileBackend().save(avatar)) {
3465						if (a.getJid().asBareJid().equals(avatar.owner)) {
3466							if (a.setAvatar(avatar.getFilename())) {
3467								databaseBackend.updateAccount(a);
3468							}
3469							getAvatarService().clear(a);
3470							updateConversationUi();
3471							updateAccountUi();
3472						} else {
3473							Contact contact = a.getRoster().getContact(avatar.owner);
3474							if (contact.setAvatar(avatar)) {
3475								syncRoster(account);
3476								getAvatarService().clear(contact);
3477								updateConversationUi();
3478								updateRosterUi();
3479							}
3480						}
3481						if (callback != null) {
3482							callback.success(avatar);
3483						}
3484						Log.d(Config.LOGTAG, a.getJid().asBareJid()
3485								+ ": successfully fetched pep avatar for " + avatar.owner);
3486						return;
3487					}
3488				} else {
3489
3490					Log.d(Config.LOGTAG, ERROR + "(parsing error)");
3491				}
3492			} else {
3493				Element error = result.findChild("error");
3494				if (error == null) {
3495					Log.d(Config.LOGTAG, ERROR + "(server error)");
3496				} else {
3497					Log.d(Config.LOGTAG, ERROR + error.toString());
3498				}
3499			}
3500			if (callback != null) {
3501				callback.error(0, null);
3502			}
3503
3504		});
3505	}
3506
3507	private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3508		IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
3509		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3510			@Override
3511			public void onIqPacketReceived(Account account, IqPacket packet) {
3512			    final boolean previouslyOmittedPepFetch;
3513				synchronized (mInProgressAvatarFetches) {
3514				    final String KEY = generateFetchKey(account, avatar);
3515					mInProgressAvatarFetches.remove(KEY);
3516					previouslyOmittedPepFetch = mOmittedPepAvatarFetches.remove(KEY);
3517				}
3518				if (packet.getType() == IqPacket.TYPE.RESULT) {
3519					Element vCard = packet.findChild("vCard", "vcard-temp");
3520					Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
3521					String image = photo != null ? photo.findChildContent("BINVAL") : null;
3522					if (image != null) {
3523						avatar.image = image;
3524						if (getFileBackend().save(avatar)) {
3525							Log.d(Config.LOGTAG, account.getJid().asBareJid()
3526									+ ": successfully fetched vCard avatar for " + avatar.owner+" omittedPep="+previouslyOmittedPepFetch);
3527							if (avatar.owner.isBareJid()) {
3528								if (account.getJid().asBareJid().equals(avatar.owner) && account.getAvatar() == null) {
3529									Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": had no avatar. replacing with vcard");
3530									account.setAvatar(avatar.getFilename());
3531									databaseBackend.updateAccount(account);
3532									getAvatarService().clear(account);
3533									updateAccountUi();
3534								} else {
3535									Contact contact = account.getRoster().getContact(avatar.owner);
3536									if (contact.setAvatar(avatar, previouslyOmittedPepFetch)) {
3537										syncRoster(account);
3538										getAvatarService().clear(contact);
3539										updateRosterUi();
3540									}
3541								}
3542								updateConversationUi();
3543							} else {
3544								Conversation conversation = find(account, avatar.owner.asBareJid());
3545								if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
3546									MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
3547									if (user != null) {
3548										if (user.setAvatar(avatar)) {
3549											getAvatarService().clear(user);
3550											updateConversationUi();
3551											updateMucRosterUi();
3552										}
3553										if (user.getRealJid() != null) {
3554										    Contact contact = account.getRoster().getContact(user.getRealJid());
3555										    if (contact.setAvatar(avatar)) {
3556                                                syncRoster(account);
3557                                                getAvatarService().clear(contact);
3558                                                updateRosterUi();
3559                                            }
3560                                        }
3561									}
3562								}
3563							}
3564						}
3565					}
3566				}
3567			}
3568		});
3569	}
3570
3571	public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
3572		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3573		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3574
3575			@Override
3576			public void onIqPacketReceived(Account account, IqPacket packet) {
3577				if (packet.getType() == IqPacket.TYPE.RESULT) {
3578					Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3579					if (pubsub != null) {
3580						Element items = pubsub.findChild("items");
3581						if (items != null) {
3582							Avatar avatar = Avatar.parseMetadata(items);
3583							if (avatar != null) {
3584								avatar.owner = account.getJid().asBareJid();
3585								if (fileBackend.isAvatarCached(avatar)) {
3586									if (account.setAvatar(avatar.getFilename())) {
3587										databaseBackend.updateAccount(account);
3588									}
3589									getAvatarService().clear(account);
3590									callback.success(avatar);
3591								} else {
3592									fetchAvatarPep(account, avatar, callback);
3593								}
3594								return;
3595							}
3596						}
3597					}
3598				}
3599				callback.error(0, null);
3600			}
3601		});
3602	}
3603
3604	public void notifyAccountAvatarHasChanged(final Account account) {
3605	    final XmppConnection connection = account.getXmppConnection();
3606	    if (connection != null && connection.getFeatures().bookmarksConversion()) {
3607            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": avatar changed. resending presence to online group chats");
3608            for(Conversation conversation : conversations) {
3609                if (conversation.getAccount() == account && conversation.getMode() == Conversational.MODE_MULTI) {
3610                    final MucOptions mucOptions = conversation.getMucOptions();
3611                    if (mucOptions.online()) {
3612                        PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous());
3613                        packet.setTo(mucOptions.getSelf().getFullJid());
3614                        connection.sendPresencePacket(packet);
3615                    }
3616                }
3617            }
3618        }
3619    }
3620
3621	public void deleteContactOnServer(Contact contact) {
3622		contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
3623		contact.resetOption(Contact.Options.DIRTY_PUSH);
3624		contact.setOption(Contact.Options.DIRTY_DELETE);
3625		Account account = contact.getAccount();
3626		if (account.getStatus() == Account.State.ONLINE) {
3627			IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3628			Element item = iq.query(Namespace.ROSTER).addChild("item");
3629			item.setAttribute("jid", contact.getJid().toString());
3630			item.setAttribute("subscription", "remove");
3631			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3632		}
3633	}
3634
3635	public void updateConversation(final Conversation conversation) {
3636		mDatabaseWriterExecutor.execute(() -> databaseBackend.updateConversation(conversation));
3637	}
3638
3639	private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
3640		synchronized (account) {
3641			XmppConnection connection = account.getXmppConnection();
3642			if (connection == null) {
3643				connection = createConnection(account);
3644				account.setXmppConnection(connection);
3645			}
3646			boolean hasInternet = hasInternetConnection();
3647			if (account.isEnabled() && hasInternet) {
3648				if (!force) {
3649					disconnect(account, false);
3650				}
3651				Thread thread = new Thread(connection);
3652				connection.setInteractive(interactive);
3653				connection.prepareNewConnection();
3654				connection.interrupt();
3655				thread.start();
3656				scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
3657			} else {
3658				disconnect(account, force || account.getTrueStatus().isError() || !hasInternet);
3659				account.getRoster().clearPresences();
3660				connection.resetEverything();
3661				final AxolotlService axolotlService = account.getAxolotlService();
3662				if (axolotlService != null) {
3663					axolotlService.resetBrokenness();
3664				}
3665				if (!hasInternet) {
3666					account.setStatus(Account.State.NO_INTERNET);
3667				}
3668			}
3669		}
3670	}
3671
3672	public void reconnectAccountInBackground(final Account account) {
3673		new Thread(() -> reconnectAccount(account, false, true)).start();
3674	}
3675
3676	public void invite(Conversation conversation, Jid contact) {
3677		Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": inviting " + contact + " to " + conversation.getJid().asBareJid());
3678		MessagePacket packet = mMessageGenerator.invite(conversation, contact);
3679		sendMessagePacket(conversation.getAccount(), packet);
3680	}
3681
3682	public void directInvite(Conversation conversation, Jid jid) {
3683		MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
3684		sendMessagePacket(conversation.getAccount(), packet);
3685	}
3686
3687	public void resetSendingToWaiting(Account account) {
3688		for (Conversation conversation : getConversations()) {
3689			if (conversation.getAccount() == account) {
3690				conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
3691			}
3692		}
3693	}
3694
3695	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
3696		return markMessage(account, recipient, uuid, status, null);
3697	}
3698
3699	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
3700		if (uuid == null) {
3701			return null;
3702		}
3703		for (Conversation conversation : getConversations()) {
3704			if (conversation.getJid().asBareJid().equals(recipient) && conversation.getAccount() == account) {
3705				final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
3706				if (message != null) {
3707					markMessage(message, status, errorMessage);
3708				}
3709				return message;
3710			}
3711		}
3712		return null;
3713	}
3714
3715	public boolean markMessage(Conversation conversation, String uuid, int status, String serverMessageId) {
3716		if (uuid == null) {
3717			return false;
3718		} else {
3719			Message message = conversation.findSentMessageWithUuid(uuid);
3720			if (message != null) {
3721				if (message.getServerMsgId() == null) {
3722					message.setServerMsgId(serverMessageId);
3723				}
3724				markMessage(message, status);
3725				return true;
3726			} else {
3727				return false;
3728			}
3729		}
3730	}
3731
3732	public void markMessage(Message message, int status) {
3733		markMessage(message, status, null);
3734	}
3735
3736
3737	public void markMessage(Message message, int status, String errorMessage) {
3738		final int c = message.getStatus();
3739		if (status == Message.STATUS_SEND_FAILED && (c == Message.STATUS_SEND_RECEIVED || c == Message.STATUS_SEND_DISPLAYED)) {
3740			return;
3741		}
3742		if (status == Message.STATUS_SEND_RECEIVED && c == Message.STATUS_SEND_DISPLAYED) {
3743			return;
3744		}
3745		message.setErrorMessage(errorMessage);
3746		message.setStatus(status);
3747		databaseBackend.updateMessage(message, false);
3748		updateConversationUi();
3749	}
3750
3751	private SharedPreferences getPreferences() {
3752		return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
3753	}
3754
3755	public long getAutomaticMessageDeletionDate() {
3756		final long timeout = getLongPreference(SettingsActivity.AUTOMATIC_MESSAGE_DELETION, R.integer.automatic_message_deletion);
3757		return timeout == 0 ? timeout : (System.currentTimeMillis() - (timeout * 1000));
3758	}
3759
3760	public long getLongPreference(String name, @IntegerRes int res) {
3761		long defaultValue = getResources().getInteger(res);
3762		try {
3763			return Long.parseLong(getPreferences().getString(name, String.valueOf(defaultValue)));
3764		} catch (NumberFormatException e) {
3765			return defaultValue;
3766		}
3767	}
3768
3769	public boolean getBooleanPreference(String name, @BoolRes int res) {
3770		return getPreferences().getBoolean(name, getResources().getBoolean(res));
3771	}
3772
3773	public boolean confirmMessages() {
3774		return getBooleanPreference("confirm_messages", R.bool.confirm_messages);
3775	}
3776
3777	public boolean allowMessageCorrection() {
3778		return getBooleanPreference("allow_message_correction", R.bool.allow_message_correction);
3779	}
3780
3781	public boolean sendChatStates() {
3782		return getBooleanPreference("chat_states", R.bool.chat_states);
3783	}
3784
3785	private boolean synchronizeWithBookmarks() {
3786		return getBooleanPreference("autojoin", R.bool.autojoin);
3787	}
3788
3789	public boolean indicateReceived() {
3790		return getBooleanPreference("indicate_received", R.bool.indicate_received);
3791	}
3792
3793	public boolean useTorToConnect() {
3794		return QuickConversationsService.isConversations() && getBooleanPreference("use_tor", R.bool.use_tor);
3795	}
3796
3797	public boolean showExtendedConnectionOptions() {
3798		return QuickConversationsService.isConversations() && getBooleanPreference("show_connection_options", R.bool.show_connection_options);
3799	}
3800
3801	public boolean broadcastLastActivity() {
3802		return getBooleanPreference(SettingsActivity.BROADCAST_LAST_ACTIVITY, R.bool.last_activity);
3803	}
3804
3805	public int unreadCount() {
3806		int count = 0;
3807		for (Conversation conversation : getConversations()) {
3808			count += conversation.unreadCount();
3809		}
3810		return count;
3811	}
3812
3813
3814	private <T> List<T> threadSafeList(Set<T> set) {
3815		synchronized (LISTENER_LOCK) {
3816			return set.size() == 0 ? Collections.emptyList() : new ArrayList<>(set);
3817		}
3818	}
3819
3820	public void showErrorToastInUi(int resId) {
3821		for (OnShowErrorToast listener : threadSafeList(this.mOnShowErrorToasts)) {
3822			listener.onShowErrorToast(resId);
3823		}
3824	}
3825
3826	public void updateConversationUi() {
3827		for (OnConversationUpdate listener : threadSafeList(this.mOnConversationUpdates)) {
3828			listener.onConversationUpdate();
3829		}
3830	}
3831
3832	public void updateAccountUi() {
3833		for (OnAccountUpdate listener : threadSafeList(this.mOnAccountUpdates)) {
3834			listener.onAccountUpdate();
3835		}
3836	}
3837
3838	public void updateRosterUi() {
3839		for (OnRosterUpdate listener : threadSafeList(this.mOnRosterUpdates)) {
3840			listener.onRosterUpdate();
3841		}
3842	}
3843
3844	public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
3845		if (mOnCaptchaRequested.size() > 0) {
3846			DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
3847			Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
3848					(int) (captcha.getHeight() * metrics.scaledDensity), false);
3849			for (OnCaptchaRequested listener : threadSafeList(this.mOnCaptchaRequested)) {
3850				listener.onCaptchaRequested(account, id, data, scaled);
3851			}
3852			return true;
3853		}
3854		return false;
3855	}
3856
3857	public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
3858		for (OnUpdateBlocklist listener : threadSafeList(this.mOnUpdateBlocklist)) {
3859			listener.OnUpdateBlocklist(status);
3860		}
3861	}
3862
3863	public void updateMucRosterUi() {
3864		for (OnMucRosterUpdate listener : threadSafeList(this.mOnMucRosterUpdate)) {
3865			listener.onMucRosterUpdate();
3866		}
3867	}
3868
3869	public void keyStatusUpdated(AxolotlService.FetchStatus report) {
3870		for (OnKeyStatusUpdated listener : threadSafeList(this.mOnKeyStatusUpdated)) {
3871			listener.onKeyStatusUpdated(report);
3872		}
3873	}
3874
3875	public Account findAccountByJid(final Jid accountJid) {
3876		for (Account account : this.accounts) {
3877			if (account.getJid().asBareJid().equals(accountJid.asBareJid())) {
3878				return account;
3879			}
3880		}
3881		return null;
3882	}
3883
3884	public Account findAccountByUuid(final String uuid) {
3885		for(Account account : this.accounts) {
3886			if (account.getUuid().equals(uuid)) {
3887				return account;
3888			}
3889		}
3890		return null;
3891	}
3892
3893	public Conversation findConversationByUuid(String uuid) {
3894		for (Conversation conversation : getConversations()) {
3895			if (conversation.getUuid().equals(uuid)) {
3896				return conversation;
3897			}
3898		}
3899		return null;
3900	}
3901
3902	public Conversation findUniqueConversationByJid(XmppUri xmppUri) {
3903		List<Conversation> findings = new ArrayList<>();
3904		for (Conversation c : getConversations()) {
3905			if (c.getAccount().isEnabled() && c.getJid().asBareJid().equals(xmppUri.getJid()) && ((c.getMode() == Conversational.MODE_MULTI) == xmppUri.isAction(XmppUri.ACTION_JOIN))) {
3906				findings.add(c);
3907			}
3908		}
3909		return findings.size() == 1 ? findings.get(0) : null;
3910	}
3911
3912	public boolean markRead(final Conversation conversation, boolean dismiss) {
3913		return markRead(conversation, null, dismiss).size() > 0;
3914	}
3915
3916	public void markRead(final Conversation conversation) {
3917		markRead(conversation, null, true);
3918	}
3919
3920	public List<Message> markRead(final Conversation conversation, String upToUuid, boolean dismiss) {
3921		if (dismiss) {
3922			mNotificationService.clear(conversation);
3923		}
3924		final List<Message> readMessages = conversation.markRead(upToUuid);
3925		if (readMessages.size() > 0) {
3926			Runnable runnable = () -> {
3927				for (Message message : readMessages) {
3928					databaseBackend.updateMessage(message, false);
3929				}
3930			};
3931			mDatabaseWriterExecutor.execute(runnable);
3932			updateUnreadCountBadge();
3933			return readMessages;
3934		} else {
3935			return readMessages;
3936		}
3937	}
3938
3939	public synchronized void updateUnreadCountBadge() {
3940		int count = unreadCount();
3941		if (unreadCount != count) {
3942			Log.d(Config.LOGTAG, "update unread count to " + count);
3943			if (count > 0) {
3944				ShortcutBadger.applyCount(getApplicationContext(), count);
3945			} else {
3946				ShortcutBadger.removeCount(getApplicationContext());
3947			}
3948			unreadCount = count;
3949		}
3950	}
3951
3952	public void sendReadMarker(final Conversation conversation, String upToUuid) {
3953		final boolean isPrivateAndNonAnonymousMuc = conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous();
3954		final List<Message> readMessages = this.markRead(conversation, upToUuid, true);
3955		if (readMessages.size() > 0) {
3956			updateConversationUi();
3957		}
3958		final Message markable = Conversation.getLatestMarkableMessage(readMessages, isPrivateAndNonAnonymousMuc);
3959		if (confirmMessages()
3960				&& markable != null
3961				&& (markable.trusted() || isPrivateAndNonAnonymousMuc)
3962				&& markable.getRemoteMsgId() != null) {
3963			Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
3964			Account account = conversation.getAccount();
3965			final Jid to = markable.getCounterpart();
3966			final boolean groupChat = conversation.getMode() == Conversation.MODE_MULTI;
3967			MessagePacket packet = mMessageGenerator.confirm(account, to, markable.getRemoteMsgId(), markable.getCounterpart(), groupChat);
3968			this.sendMessagePacket(conversation.getAccount(), packet);
3969		}
3970	}
3971
3972	public SecureRandom getRNG() {
3973		return this.mRandom;
3974	}
3975
3976	public MemorizingTrustManager getMemorizingTrustManager() {
3977		return this.mMemorizingTrustManager;
3978	}
3979
3980	public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
3981		this.mMemorizingTrustManager = trustManager;
3982	}
3983
3984	public void updateMemorizingTrustmanager() {
3985		final MemorizingTrustManager tm;
3986		final boolean dontTrustSystemCAs = getBooleanPreference("dont_trust_system_cas", R.bool.dont_trust_system_cas);
3987		if (dontTrustSystemCAs) {
3988			tm = new MemorizingTrustManager(getApplicationContext(), null);
3989		} else {
3990			tm = new MemorizingTrustManager(getApplicationContext());
3991		}
3992		setMemorizingTrustManager(tm);
3993	}
3994
3995	public LruCache<String, Bitmap> getBitmapCache() {
3996		return this.mBitmapCache;
3997	}
3998
3999	public Collection<String> getKnownHosts() {
4000		final Set<String> hosts = new HashSet<>();
4001		for (final Account account : getAccounts()) {
4002			hosts.add(account.getServer());
4003			for (final Contact contact : account.getRoster().getContacts()) {
4004				if (contact.showInRoster()) {
4005					final String server = contact.getServer();
4006					if (server != null) {
4007						hosts.add(server);
4008					}
4009				}
4010			}
4011		}
4012		if (Config.QUICKSY_DOMAIN != null) {
4013		    hosts.remove(Config.QUICKSY_DOMAIN); //we only want to show this when we type a e164 number
4014        }
4015		if (Config.DOMAIN_LOCK != null) {
4016			hosts.add(Config.DOMAIN_LOCK);
4017		}
4018		if (Config.MAGIC_CREATE_DOMAIN != null) {
4019			hosts.add(Config.MAGIC_CREATE_DOMAIN);
4020		}
4021		return hosts;
4022	}
4023
4024	public Collection<String> getKnownConferenceHosts() {
4025		final Set<String> mucServers = new HashSet<>();
4026		for (final Account account : accounts) {
4027			if (account.getXmppConnection() != null) {
4028				mucServers.addAll(account.getXmppConnection().getMucServers());
4029				for (Bookmark bookmark : account.getBookmarks()) {
4030					final Jid jid = bookmark.getJid();
4031					final String s = jid == null ? null : jid.getDomain();
4032					if (s != null) {
4033						mucServers.add(s);
4034					}
4035				}
4036			}
4037		}
4038		return mucServers;
4039	}
4040
4041	public void sendMessagePacket(Account account, MessagePacket packet) {
4042		XmppConnection connection = account.getXmppConnection();
4043		if (connection != null) {
4044			connection.sendMessagePacket(packet);
4045		}
4046	}
4047
4048	public void sendPresencePacket(Account account, PresencePacket packet) {
4049		XmppConnection connection = account.getXmppConnection();
4050		if (connection != null) {
4051			connection.sendPresencePacket(packet);
4052		}
4053	}
4054
4055	public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
4056		final XmppConnection connection = account.getXmppConnection();
4057		if (connection != null) {
4058			IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
4059			connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener, true);
4060		}
4061	}
4062
4063	public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
4064		final XmppConnection connection = account.getXmppConnection();
4065		if (connection != null) {
4066			connection.sendIqPacket(packet, callback);
4067		} else if (callback != null) {
4068		    callback.onIqPacketReceived(account,new IqPacket(IqPacket.TYPE.TIMEOUT));
4069        }
4070	}
4071
4072	public void sendPresence(final Account account) {
4073		sendPresence(account, checkListeners() && broadcastLastActivity());
4074	}
4075
4076	private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
4077		Presence.Status status;
4078		if (manuallyChangePresence()) {
4079			status = account.getPresenceStatus();
4080		} else {
4081			status = getTargetPresence();
4082		}
4083		PresencePacket packet = mPresenceGenerator.selfPresence(account, status);
4084		String message = account.getPresenceStatusMessage();
4085		if (message != null && !message.isEmpty()) {
4086			packet.addChild(new Element("status").setContent(message));
4087		}
4088		if (mLastActivity > 0 && includeIdleTimestamp) {
4089			long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
4090			packet.addChild("idle", Namespace.IDLE).setAttribute("since", AbstractGenerator.getTimestamp(since));
4091		}
4092		sendPresencePacket(account, packet);
4093	}
4094
4095	private void deactivateGracePeriod() {
4096		for (Account account : getAccounts()) {
4097			account.deactivateGracePeriod();
4098		}
4099	}
4100
4101	public void refreshAllPresences() {
4102		boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
4103		for (Account account : getAccounts()) {
4104			if (account.isEnabled()) {
4105				sendPresence(account, includeIdleTimestamp);
4106			}
4107		}
4108	}
4109
4110	private void refreshAllFcmTokens() {
4111		for (Account account : getAccounts()) {
4112			if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
4113				mPushManagementService.registerPushTokenOnServer(account);
4114				//TODO renew mucs
4115			}
4116		}
4117	}
4118
4119	private void sendOfflinePresence(final Account account) {
4120		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending offline presence");
4121		sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
4122	}
4123
4124	public MessageGenerator getMessageGenerator() {
4125		return this.mMessageGenerator;
4126	}
4127
4128	public PresenceGenerator getPresenceGenerator() {
4129		return this.mPresenceGenerator;
4130	}
4131
4132	public IqGenerator getIqGenerator() {
4133		return this.mIqGenerator;
4134	}
4135
4136	public IqParser getIqParser() {
4137		return this.mIqParser;
4138	}
4139
4140	public JingleConnectionManager getJingleConnectionManager() {
4141		return this.mJingleConnectionManager;
4142	}
4143
4144	public MessageArchiveService getMessageArchiveService() {
4145		return this.mMessageArchiveService;
4146	}
4147
4148	public QuickConversationsService getQuickConversationsService() {
4149        return this.mQuickConversationsService;
4150    }
4151
4152	public List<Contact> findContacts(Jid jid, String accountJid) {
4153		ArrayList<Contact> contacts = new ArrayList<>();
4154		for (Account account : getAccounts()) {
4155			if ((account.isEnabled() || accountJid != null)
4156					&& (accountJid == null || accountJid.equals(account.getJid().asBareJid().toString()))) {
4157				Contact contact = account.getRoster().getContactFromContactList(jid);
4158				if (contact != null) {
4159					contacts.add(contact);
4160				}
4161			}
4162		}
4163		return contacts;
4164	}
4165
4166	public Conversation findFirstMuc(Jid jid) {
4167		for (Conversation conversation : getConversations()) {
4168			if (conversation.getAccount().isEnabled() && conversation.getJid().asBareJid().equals(jid.asBareJid()) && conversation.getMode() == Conversation.MODE_MULTI) {
4169				return conversation;
4170			}
4171		}
4172		return null;
4173	}
4174
4175	public NotificationService getNotificationService() {
4176		return this.mNotificationService;
4177	}
4178
4179	public HttpConnectionManager getHttpConnectionManager() {
4180		return this.mHttpConnectionManager;
4181	}
4182
4183	public void resendFailedMessages(final Message message) {
4184		final Collection<Message> messages = new ArrayList<>();
4185		Message current = message;
4186		while (current.getStatus() == Message.STATUS_SEND_FAILED) {
4187			messages.add(current);
4188			if (current.mergeable(current.next())) {
4189				current = current.next();
4190			} else {
4191				break;
4192			}
4193		}
4194		for (final Message msg : messages) {
4195			msg.setTime(System.currentTimeMillis());
4196			markMessage(msg, Message.STATUS_WAITING);
4197			this.resendMessage(msg, false);
4198		}
4199		if (message.getConversation() instanceof Conversation) {
4200			((Conversation) message.getConversation()).sort();
4201		}
4202		updateConversationUi();
4203	}
4204
4205	public void clearConversationHistory(final Conversation conversation) {
4206		final long clearDate;
4207		final String reference;
4208		if (conversation.countMessages() > 0) {
4209			Message latestMessage = conversation.getLatestMessage();
4210			clearDate = latestMessage.getTimeSent() + 1000;
4211			reference = latestMessage.getServerMsgId();
4212		} else {
4213			clearDate = System.currentTimeMillis();
4214			reference = null;
4215		}
4216		conversation.clearMessages();
4217		conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
4218		conversation.setLastClearHistory(clearDate, reference);
4219		Runnable runnable = () -> {
4220			databaseBackend.deleteMessagesInConversation(conversation);
4221			databaseBackend.updateConversation(conversation);
4222		};
4223		mDatabaseWriterExecutor.execute(runnable);
4224	}
4225
4226	public boolean sendBlockRequest(final Blockable blockable, boolean reportSpam) {
4227		if (blockable != null && blockable.getBlockedJid() != null) {
4228			final Jid jid = blockable.getBlockedJid();
4229			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), new OnIqPacketReceived() {
4230
4231				@Override
4232				public void onIqPacketReceived(final Account account, final IqPacket packet) {
4233					if (packet.getType() == IqPacket.TYPE.RESULT) {
4234						account.getBlocklist().add(jid);
4235						updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
4236					}
4237				}
4238			});
4239			if (removeBlockedConversations(blockable.getAccount(), jid)) {
4240				updateConversationUi();
4241				return true;
4242			} else {
4243				return false;
4244			}
4245		} else {
4246			return false;
4247		}
4248	}
4249
4250	public boolean removeBlockedConversations(final Account account, final Jid blockedJid) {
4251		boolean removed = false;
4252		synchronized (this.conversations) {
4253			boolean domainJid = blockedJid.getLocal() == null;
4254			for (Conversation conversation : this.conversations) {
4255				boolean jidMatches = (domainJid && blockedJid.getDomain().equals(conversation.getJid().getDomain()))
4256						|| blockedJid.equals(conversation.getJid().asBareJid());
4257				if (conversation.getAccount() == account
4258						&& conversation.getMode() == Conversation.MODE_SINGLE
4259						&& jidMatches) {
4260					this.conversations.remove(conversation);
4261					markRead(conversation);
4262					conversation.setStatus(Conversation.STATUS_ARCHIVED);
4263					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conversation " + conversation.getJid().asBareJid() + " because jid was blocked");
4264					updateConversation(conversation);
4265					removed = true;
4266				}
4267			}
4268		}
4269		return removed;
4270	}
4271
4272	public void sendUnblockRequest(final Blockable blockable) {
4273		if (blockable != null && blockable.getJid() != null) {
4274			final Jid jid = blockable.getBlockedJid();
4275			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
4276				@Override
4277				public void onIqPacketReceived(final Account account, final IqPacket packet) {
4278					if (packet.getType() == IqPacket.TYPE.RESULT) {
4279						account.getBlocklist().remove(jid);
4280						updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
4281					}
4282				}
4283			});
4284		}
4285	}
4286
4287	public void publishDisplayName(Account account) {
4288		String displayName = account.getDisplayName();
4289		final IqPacket request;
4290		if (TextUtils.isEmpty(displayName)) {
4291            request = mIqGenerator.deleteNode(Namespace.NICK);
4292		} else {
4293            request = mIqGenerator.publishNick(displayName);
4294        }
4295        mAvatarService.clear(account);
4296        sendIqPacket(account, request, (account1, packet) -> {
4297            if (packet.getType() == IqPacket.TYPE.ERROR) {
4298                Log.d(Config.LOGTAG, account1.getJid().asBareJid() + ": unable to modify nick name "+packet.toString());
4299            }
4300        });
4301	}
4302
4303	public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
4304		ServiceDiscoveryResult result = discoCache.get(key);
4305		if (result != null) {
4306			return result;
4307		} else {
4308			result = databaseBackend.findDiscoveryResult(key.first, key.second);
4309			if (result != null) {
4310				discoCache.put(key, result);
4311			}
4312			return result;
4313		}
4314	}
4315
4316	public void fetchCaps(Account account, final Jid jid, final Presence presence) {
4317		final Pair<String, String> key = new Pair<>(presence.getHash(), presence.getVer());
4318		ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
4319		if (disco != null) {
4320			presence.setServiceDiscoveryResult(disco);
4321		} else {
4322			if (!account.inProgressDiscoFetches.contains(key)) {
4323				account.inProgressDiscoFetches.add(key);
4324				IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4325				request.setTo(jid);
4326				final String node = presence.getNode();
4327				final String ver = presence.getVer();
4328				final Element query = request.query("http://jabber.org/protocol/disco#info");
4329				if (node != null && ver != null) {
4330					query.setAttribute("node",node+"#"+ver);
4331				}
4332				Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": making disco request for " + key.second + " to " + jid);
4333				sendIqPacket(account, request, (a, response) -> {
4334					if (response.getType() == IqPacket.TYPE.RESULT) {
4335						ServiceDiscoveryResult discoveryResult = new ServiceDiscoveryResult(response);
4336						if (presence.getVer().equals(discoveryResult.getVer())) {
4337							databaseBackend.insertDiscoveryResult(discoveryResult);
4338							injectServiceDiscoveryResult(a.getRoster(), presence.getHash(), presence.getVer(), discoveryResult);
4339						} else {
4340							Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + discoveryResult.getVer());
4341						}
4342					}
4343					a.inProgressDiscoFetches.remove(key);
4344				});
4345			}
4346		}
4347	}
4348
4349	private void injectServiceDiscoveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
4350		for (Contact contact : roster.getContacts()) {
4351			for (Presence presence : contact.getPresences().getPresences().values()) {
4352				if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
4353					presence.setServiceDiscoveryResult(disco);
4354				}
4355			}
4356		}
4357	}
4358
4359	public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
4360		final MessageArchiveService.Version version = MessageArchiveService.Version.get(account);
4361		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4362		request.addChild("prefs", version.namespace);
4363		sendIqPacket(account, request, (account1, packet) -> {
4364			Element prefs = packet.findChild("prefs", version.namespace);
4365			if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
4366				callback.onPreferencesFetched(prefs);
4367			} else {
4368				callback.onPreferencesFetchFailed();
4369			}
4370		});
4371	}
4372
4373	public PushManagementService getPushManagementService() {
4374		return mPushManagementService;
4375	}
4376
4377	public void changeStatus(Account account, PresenceTemplate template, String signature) {
4378		if (!template.getStatusMessage().isEmpty()) {
4379			databaseBackend.insertPresenceTemplate(template);
4380		}
4381		account.setPgpSignature(signature);
4382		account.setPresenceStatus(template.getStatus());
4383		account.setPresenceStatusMessage(template.getStatusMessage());
4384		databaseBackend.updateAccount(account);
4385		sendPresence(account);
4386	}
4387
4388	public List<PresenceTemplate> getPresenceTemplates(Account account) {
4389		List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
4390		for (PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
4391			if (!templates.contains(template)) {
4392				templates.add(0, template);
4393			}
4394		}
4395		return templates;
4396	}
4397
4398	public void saveConversationAsBookmark(Conversation conversation, String name) {
4399		Account account = conversation.getAccount();
4400		Bookmark bookmark = new Bookmark(account, conversation.getJid().asBareJid());
4401		if (!conversation.getJid().isBareJid()) {
4402			bookmark.setNick(conversation.getJid().getResource());
4403		}
4404		if (!TextUtils.isEmpty(name)) {
4405			bookmark.setBookmarkName(name);
4406		}
4407		bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
4408		account.getBookmarks().add(bookmark);
4409		pushBookmarks(account);
4410		bookmark.setConversation(conversation);
4411	}
4412
4413	public boolean verifyFingerprints(Contact contact, List<XmppUri.Fingerprint> fingerprints) {
4414		boolean performedVerification = false;
4415		final AxolotlService axolotlService = contact.getAccount().getAxolotlService();
4416		for (XmppUri.Fingerprint fp : fingerprints) {
4417			if (fp.type == XmppUri.FingerprintType.OMEMO) {
4418				String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4419				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4420				if (fingerprintStatus != null) {
4421					if (!fingerprintStatus.isVerified()) {
4422						performedVerification = true;
4423						axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4424					}
4425				} else {
4426					axolotlService.preVerifyFingerprint(contact, fingerprint);
4427				}
4428			}
4429		}
4430		return performedVerification;
4431	}
4432
4433	public boolean verifyFingerprints(Account account, List<XmppUri.Fingerprint> fingerprints) {
4434		final AxolotlService axolotlService = account.getAxolotlService();
4435		boolean verifiedSomething = false;
4436		for (XmppUri.Fingerprint fp : fingerprints) {
4437			if (fp.type == XmppUri.FingerprintType.OMEMO) {
4438				String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4439				Log.d(Config.LOGTAG, "trying to verify own fp=" + fingerprint);
4440				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4441				if (fingerprintStatus != null) {
4442					if (!fingerprintStatus.isVerified()) {
4443						axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4444						verifiedSomething = true;
4445					}
4446				} else {
4447					axolotlService.preVerifyFingerprint(account, fingerprint);
4448					verifiedSomething = true;
4449				}
4450			}
4451		}
4452		return verifiedSomething;
4453	}
4454
4455	public boolean blindTrustBeforeVerification() {
4456		return getBooleanPreference(SettingsActivity.BLIND_TRUST_BEFORE_VERIFICATION, R.bool.btbv);
4457	}
4458
4459	public ShortcutService getShortcutService() {
4460		return mShortcutService;
4461	}
4462
4463	public void pushMamPreferences(Account account, Element prefs) {
4464		IqPacket set = new IqPacket(IqPacket.TYPE.SET);
4465		set.addChild(prefs);
4466		sendIqPacket(account, set, null);
4467	}
4468
4469	public interface OnMamPreferencesFetched {
4470		void onPreferencesFetched(Element prefs);
4471
4472		void onPreferencesFetchFailed();
4473	}
4474
4475	public interface OnAccountCreated {
4476		void onAccountCreated(Account account);
4477
4478		void informUser(int r);
4479	}
4480
4481	public interface OnMoreMessagesLoaded {
4482		void onMoreMessagesLoaded(int count, Conversation conversation);
4483
4484		void informUser(int r);
4485	}
4486
4487	public interface OnAccountPasswordChanged {
4488		void onPasswordChangeSucceeded();
4489
4490		void onPasswordChangeFailed();
4491	}
4492
4493    public interface OnRoomDestroy {
4494        void onRoomDestroySucceeded();
4495
4496        void onRoomDestroyFailed();
4497    }
4498
4499	public interface OnAffiliationChanged {
4500		void onAffiliationChangedSuccessful(Jid jid);
4501
4502		void onAffiliationChangeFailed(Jid jid, int resId);
4503	}
4504
4505	public interface OnConversationUpdate {
4506		void onConversationUpdate();
4507	}
4508
4509	public interface OnAccountUpdate {
4510		void onAccountUpdate();
4511	}
4512
4513	public interface OnCaptchaRequested {
4514		void onCaptchaRequested(Account account, String id, Data data, Bitmap captcha);
4515	}
4516
4517	public interface OnRosterUpdate {
4518		void onRosterUpdate();
4519	}
4520
4521	public interface OnMucRosterUpdate {
4522		void onMucRosterUpdate();
4523	}
4524
4525	public interface OnConferenceConfigurationFetched {
4526		void onConferenceConfigurationFetched(Conversation conversation);
4527
4528		void onFetchFailed(Conversation conversation, Element error);
4529	}
4530
4531	public interface OnConferenceJoined {
4532		void onConferenceJoined(Conversation conversation);
4533	}
4534
4535	public interface OnConfigurationPushed {
4536		void onPushSucceeded();
4537
4538		void onPushFailed();
4539	}
4540
4541	public interface OnShowErrorToast {
4542		void onShowErrorToast(int resId);
4543	}
4544
4545	public class XmppConnectionBinder extends Binder {
4546		public XmppConnectionService getService() {
4547			return XmppConnectionService.this;
4548		}
4549	}
4550
4551	private class InternalEventReceiver extends BroadcastReceiver {
4552
4553        @Override
4554        public void onReceive(Context context, Intent intent) {
4555            onStartCommand(intent,0,0);
4556        }
4557    }
4558}