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.atomic.AtomicBoolean;
  72import java.util.concurrent.atomic.AtomicLong;
  73
  74import eu.siacs.conversations.Config;
  75import eu.siacs.conversations.R;
  76import eu.siacs.conversations.android.JabberIdContact;
  77import eu.siacs.conversations.crypto.OmemoSetting;
  78import eu.siacs.conversations.crypto.PgpDecryptionService;
  79import eu.siacs.conversations.crypto.PgpEngine;
  80import eu.siacs.conversations.crypto.axolotl.AxolotlService;
  81import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
  82import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
  83import eu.siacs.conversations.entities.Account;
  84import eu.siacs.conversations.entities.Blockable;
  85import eu.siacs.conversations.entities.Bookmark;
  86import eu.siacs.conversations.entities.Contact;
  87import eu.siacs.conversations.entities.Conversation;
  88import eu.siacs.conversations.entities.Conversational;
  89import eu.siacs.conversations.entities.Message;
  90import eu.siacs.conversations.entities.MucOptions;
  91import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
  92import eu.siacs.conversations.entities.Presence;
  93import eu.siacs.conversations.entities.PresenceTemplate;
  94import eu.siacs.conversations.entities.Roster;
  95import eu.siacs.conversations.entities.ServiceDiscoveryResult;
  96import eu.siacs.conversations.generator.AbstractGenerator;
  97import eu.siacs.conversations.generator.IqGenerator;
  98import eu.siacs.conversations.generator.MessageGenerator;
  99import eu.siacs.conversations.generator.PresenceGenerator;
 100import eu.siacs.conversations.http.CustomURLStreamHandlerFactory;
 101import eu.siacs.conversations.http.HttpConnectionManager;
 102import eu.siacs.conversations.parser.AbstractParser;
 103import eu.siacs.conversations.parser.IqParser;
 104import eu.siacs.conversations.parser.MessageParser;
 105import eu.siacs.conversations.parser.PresenceParser;
 106import eu.siacs.conversations.persistance.DatabaseBackend;
 107import eu.siacs.conversations.persistance.FileBackend;
 108import eu.siacs.conversations.ui.ChooseAccountForProfilePictureActivity;
 109import eu.siacs.conversations.ui.SettingsActivity;
 110import eu.siacs.conversations.ui.UiCallback;
 111import eu.siacs.conversations.ui.interfaces.OnAvatarPublication;
 112import eu.siacs.conversations.ui.interfaces.OnMediaLoaded;
 113import eu.siacs.conversations.ui.interfaces.OnSearchResultsAvailable;
 114import eu.siacs.conversations.utils.Compatibility;
 115import eu.siacs.conversations.utils.ConversationsFileObserver;
 116import eu.siacs.conversations.utils.CryptoHelper;
 117import eu.siacs.conversations.utils.ExceptionHelper;
 118import eu.siacs.conversations.utils.MimeUtils;
 119import eu.siacs.conversations.utils.PhoneHelper;
 120import eu.siacs.conversations.utils.QuickLoader;
 121import eu.siacs.conversations.utils.ReplacingSerialSingleThreadExecutor;
 122import eu.siacs.conversations.utils.ReplacingTaskManager;
 123import eu.siacs.conversations.utils.Resolver;
 124import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
 125import eu.siacs.conversations.utils.StringUtils;
 126import eu.siacs.conversations.utils.WakeLockHelper;
 127import eu.siacs.conversations.utils.XmppUri;
 128import eu.siacs.conversations.xml.Element;
 129import eu.siacs.conversations.xml.Namespace;
 130import eu.siacs.conversations.xmpp.OnBindListener;
 131import eu.siacs.conversations.xmpp.OnContactStatusChanged;
 132import eu.siacs.conversations.xmpp.OnIqPacketReceived;
 133import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
 134import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
 135import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 136import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
 137import eu.siacs.conversations.xmpp.OnStatusChanged;
 138import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
 139import eu.siacs.conversations.xmpp.Patches;
 140import eu.siacs.conversations.xmpp.XmppConnection;
 141import eu.siacs.conversations.xmpp.chatstate.ChatState;
 142import eu.siacs.conversations.xmpp.forms.Data;
 143import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 144import eu.siacs.conversations.xmpp.jingle.OnJinglePacketReceived;
 145import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
 146import eu.siacs.conversations.xmpp.mam.MamReference;
 147import eu.siacs.conversations.xmpp.pep.Avatar;
 148import eu.siacs.conversations.xmpp.pep.PublishOptions;
 149import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 150import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 151import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 152import me.leolin.shortcutbadger.ShortcutBadger;
 153import rocks.xmpp.addr.Jid;
 154
 155public class XmppConnectionService extends Service {
 156
 157    public static final String ACTION_REPLY_TO_CONVERSATION = "reply_to_conversations";
 158    public static final String ACTION_MARK_AS_READ = "mark_as_read";
 159    public static final String ACTION_SNOOZE = "snooze";
 160    public static final String ACTION_CLEAR_NOTIFICATION = "clear_notification";
 161    public static final String ACTION_DISMISS_ERROR_NOTIFICATIONS = "dismiss_error";
 162    public static final String ACTION_TRY_AGAIN = "try_again";
 163    public static final String ACTION_IDLE_PING = "idle_ping";
 164    public static final String ACTION_FCM_TOKEN_REFRESH = "fcm_token_refresh";
 165    public static final String ACTION_FCM_MESSAGE_RECEIVED = "fcm_message_received";
 166    private static final String ACTION_POST_CONNECTIVITY_CHANGE = "eu.siacs.conversations.POST_CONNECTIVITY_CHANGE";
 167
 168    private static final String SETTING_LAST_ACTIVITY_TS = "last_activity_timestamp";
 169
 170    static {
 171        URL.setURLStreamHandlerFactory(new CustomURLStreamHandlerFactory());
 172    }
 173
 174    public final CountDownLatch restoredFromDatabaseLatch = new CountDownLatch(1);
 175    private final SerialSingleThreadExecutor mFileAddingExecutor = new SerialSingleThreadExecutor("FileAdding");
 176    private final SerialSingleThreadExecutor mVideoCompressionExecutor = new SerialSingleThreadExecutor("VideoCompression");
 177    private final SerialSingleThreadExecutor mDatabaseWriterExecutor = new SerialSingleThreadExecutor("DatabaseWriter");
 178    private final SerialSingleThreadExecutor mDatabaseReaderExecutor = new SerialSingleThreadExecutor("DatabaseReader");
 179    private final SerialSingleThreadExecutor mNotificationExecutor = new SerialSingleThreadExecutor("NotificationExecutor");
 180    private final ReplacingTaskManager mRosterSyncTaskManager = new ReplacingTaskManager();
 181    private final IBinder mBinder = new XmppConnectionBinder();
 182    private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 183    private final IqGenerator mIqGenerator = new IqGenerator(this);
 184    private final Set<String> mInProgressAvatarFetches = new HashSet<>();
 185    private final Set<String> mOmittedPepAvatarFetches = new HashSet<>();
 186    private final HashSet<Jid> mLowPingTimeoutMode = new HashSet<>();
 187    private final OnIqPacketReceived mDefaultIqHandler = (account, packet) -> {
 188        if (packet.getType() != IqPacket.TYPE.RESULT) {
 189            Element error = packet.findChild("error");
 190            String text = error != null ? error.findChildContent("text") : null;
 191            if (text != null) {
 192                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received iq error - " + text);
 193            }
 194        }
 195    };
 196    public DatabaseBackend databaseBackend;
 197    private ReplacingSerialSingleThreadExecutor mContactMergerExecutor = new ReplacingSerialSingleThreadExecutor("ContactMerger");
 198    private long mLastActivity = 0;
 199    private FileBackend fileBackend = new FileBackend(this);
 200    private MemorizingTrustManager mMemorizingTrustManager;
 201    private NotificationService mNotificationService = new NotificationService(this);
 202    private ChannelDiscoveryService mChannelDiscoveryService = new ChannelDiscoveryService(this);
 203    private ShortcutService mShortcutService = new ShortcutService(this);
 204    private AtomicBoolean mInitialAddressbookSyncCompleted = new AtomicBoolean(false);
 205    private AtomicBoolean mForceForegroundService = new AtomicBoolean(false);
 206    private AtomicBoolean mForceDuringOnCreate = new AtomicBoolean(false);
 207    private OnMessagePacketReceived mMessageParser = new MessageParser(this);
 208    private OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 209    private IqParser mIqParser = new IqParser(this);
 210    private MessageGenerator mMessageGenerator = new MessageGenerator(this);
 211    public OnContactStatusChanged onContactStatusChanged = (contact, online) -> {
 212        Conversation conversation = find(getConversations(), contact);
 213        if (conversation != null) {
 214            if (online) {
 215                if (contact.getPresences().size() == 1) {
 216                    sendUnsentMessages(conversation);
 217                }
 218            }
 219        }
 220    };
 221    private PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 222    private List<Account> accounts;
 223    private JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(
 224            this);
 225    private final OnJinglePacketReceived jingleListener = new OnJinglePacketReceived() {
 226
 227        @Override
 228        public void onJinglePacketReceived(Account account, JinglePacket packet) {
 229            mJingleConnectionManager.deliverPacket(account, packet);
 230        }
 231    };
 232    private HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(this);
 233    private AvatarService mAvatarService = new AvatarService(this);
 234    private MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 235    private PushManagementService mPushManagementService = new PushManagementService(this);
 236    private QuickConversationsService mQuickConversationsService = new QuickConversationsService(this);
 237    private final ConversationsFileObserver fileObserver = new ConversationsFileObserver(
 238            Environment.getExternalStorageDirectory().getAbsolutePath()
 239    ) {
 240        @Override
 241        public void onEvent(int event, String path) {
 242            markFileDeleted(path);
 243        }
 244    };
 245    private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 246
 247        @Override
 248        public boolean onMessageAcknowledged(Account account, String uuid) {
 249            for (final Conversation conversation : getConversations()) {
 250                if (conversation.getAccount() == account) {
 251                    Message message = conversation.findUnsentMessageWithUuid(uuid);
 252                    if (message != null) {
 253                        message.setStatus(Message.STATUS_SEND);
 254                        message.setErrorMessage(null);
 255                        databaseBackend.updateMessage(message, false);
 256                        return true;
 257                    }
 258                }
 259            }
 260            return false;
 261        }
 262    };
 263
 264    private boolean destroyed = false;
 265
 266    private int unreadCount = -1;
 267
 268    //Ui callback listeners
 269    private final Set<OnConversationUpdate> mOnConversationUpdates = Collections.newSetFromMap(new WeakHashMap<OnConversationUpdate, Boolean>());
 270    private final Set<OnShowErrorToast> mOnShowErrorToasts = Collections.newSetFromMap(new WeakHashMap<OnShowErrorToast, Boolean>());
 271    private final Set<OnAccountUpdate> mOnAccountUpdates = Collections.newSetFromMap(new WeakHashMap<OnAccountUpdate, Boolean>());
 272    private final Set<OnCaptchaRequested> mOnCaptchaRequested = Collections.newSetFromMap(new WeakHashMap<OnCaptchaRequested, Boolean>());
 273    private final Set<OnRosterUpdate> mOnRosterUpdates = Collections.newSetFromMap(new WeakHashMap<OnRosterUpdate, Boolean>());
 274    private final Set<OnUpdateBlocklist> mOnUpdateBlocklist = Collections.newSetFromMap(new WeakHashMap<OnUpdateBlocklist, Boolean>());
 275    private final Set<OnMucRosterUpdate> mOnMucRosterUpdate = Collections.newSetFromMap(new WeakHashMap<OnMucRosterUpdate, Boolean>());
 276    private final Set<OnKeyStatusUpdated> mOnKeyStatusUpdated = Collections.newSetFromMap(new WeakHashMap<OnKeyStatusUpdated, Boolean>());
 277
 278    private final Object LISTENER_LOCK = new Object();
 279
 280
 281    private final OnBindListener mOnBindListener = new OnBindListener() {
 282
 283        @Override
 284        public void onBind(final Account account) {
 285            synchronized (mInProgressAvatarFetches) {
 286                for (Iterator<String> iterator = mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
 287                    final String KEY = iterator.next();
 288                    if (KEY.startsWith(account.getJid().asBareJid() + "_")) {
 289                        iterator.remove();
 290                    }
 291                }
 292            }
 293            boolean loggedInSuccessfully = account.setOption(Account.OPTION_LOGGED_IN_SUCCESSFULLY, true);
 294            boolean gainedFeature = account.setOption(Account.OPTION_HTTP_UPLOAD_AVAILABLE, account.getXmppConnection().getFeatures().httpUpload(0));
 295            if (loggedInSuccessfully || gainedFeature) {
 296                databaseBackend.updateAccount(account);
 297            }
 298
 299            if (loggedInSuccessfully) {
 300                if (!TextUtils.isEmpty(account.getDisplayName())) {
 301                    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": display name wasn't empty on first log in. publishing");
 302                    publishDisplayName(account);
 303                }
 304            }
 305
 306            account.getRoster().clearPresences();
 307            synchronized (account.inProgressConferenceJoins) {
 308                account.inProgressConferenceJoins.clear();
 309            }
 310            synchronized (account.inProgressConferencePings) {
 311                account.inProgressConferencePings.clear();
 312            }
 313            mJingleConnectionManager.cancelInTransmission();
 314            mQuickConversationsService.considerSyncBackground(false);
 315            fetchRosterFromServer(account);
 316            if (!account.getXmppConnection().getFeatures().bookmarksConversion()) {
 317                fetchBookmarks(account);
 318            }
 319            final boolean flexible = account.getXmppConnection().getFeatures().flexibleOfflineMessageRetrieval();
 320            final boolean catchup = getMessageArchiveService().inCatchup(account);
 321            if (flexible && catchup && account.getXmppConnection().isMamPreferenceAlways()) {
 322                sendIqPacket(account, mIqGenerator.purgeOfflineMessages(), (acc, packet) -> {
 323                    if (packet.getType() == IqPacket.TYPE.RESULT) {
 324                        Log.d(Config.LOGTAG, acc.getJid().asBareJid() + ": successfully purged offline messages");
 325                    }
 326                });
 327            }
 328            sendPresence(account);
 329            if (mPushManagementService.available(account)) {
 330                mPushManagementService.registerPushTokenOnServer(account);
 331            }
 332            connectMultiModeConversations(account);
 333            syncDirtyContacts(account);
 334        }
 335    };
 336    private AtomicLong mLastExpiryRun = new AtomicLong(0);
 337    private SecureRandom mRandom;
 338    private LruCache<Pair<String, String>, ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 339    private OnStatusChanged statusListener = new OnStatusChanged() {
 340
 341        @Override
 342        public void onStatusChanged(final Account account) {
 343            XmppConnection connection = account.getXmppConnection();
 344            updateAccountUi();
 345
 346            if (account.getStatus() == Account.State.ONLINE || account.getStatus().isError()) {
 347                mQuickConversationsService.signalAccountStateChange();
 348            }
 349
 350            if (account.getStatus() == Account.State.ONLINE) {
 351                synchronized (mLowPingTimeoutMode) {
 352                    if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 353                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 354                    }
 355                }
 356                if (account.setShowErrorNotification(true)) {
 357                    databaseBackend.updateAccount(account);
 358                }
 359                mMessageArchiveService.executePendingQueries(account);
 360                if (connection != null && connection.getFeatures().csi()) {
 361                    if (checkListeners()) {
 362                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//inactive");
 363                        connection.sendInactive();
 364                    } else {
 365                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//active");
 366                        connection.sendActive();
 367                    }
 368                }
 369                List<Conversation> conversations = getConversations();
 370                for (Conversation conversation : conversations) {
 371                    final boolean inProgressJoin;
 372                    synchronized (account.inProgressConferenceJoins) {
 373                        inProgressJoin = account.inProgressConferenceJoins.contains(conversation);
 374                    }
 375                    final boolean pendingJoin;
 376                    synchronized (account.pendingConferenceJoins) {
 377                        pendingJoin = account.pendingConferenceJoins.contains(conversation);
 378                    }
 379                    if (conversation.getAccount() == account
 380                            && !pendingJoin
 381                            && !inProgressJoin) {
 382                        sendUnsentMessages(conversation);
 383                    }
 384                }
 385                final List<Conversation> pendingLeaves;
 386                synchronized (account.pendingConferenceLeaves) {
 387                    pendingLeaves = new ArrayList<>(account.pendingConferenceLeaves);
 388                    account.pendingConferenceLeaves.clear();
 389
 390                }
 391                for (Conversation conversation : pendingLeaves) {
 392                    leaveMuc(conversation);
 393                }
 394                final List<Conversation> pendingJoins;
 395                synchronized (account.pendingConferenceJoins) {
 396                    pendingJoins = new ArrayList<>(account.pendingConferenceJoins);
 397                    account.pendingConferenceJoins.clear();
 398                }
 399                for (Conversation conversation : pendingJoins) {
 400                    joinMuc(conversation);
 401                }
 402                scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 403            } else if (account.getStatus() == Account.State.OFFLINE || account.getStatus() == Account.State.DISABLED) {
 404                resetSendingToWaiting(account);
 405                if (account.isEnabled() && isInLowPingTimeoutMode(account)) {
 406                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": went into offline state during low ping mode. reconnecting now");
 407                    reconnectAccount(account, true, false);
 408                } else {
 409                    int timeToReconnect = mRandom.nextInt(10) + 2;
 410                    scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 411                }
 412            } else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 413                databaseBackend.updateAccount(account);
 414                reconnectAccount(account, true, false);
 415            } else if (account.getStatus() != Account.State.CONNECTING && account.getStatus() != Account.State.NO_INTERNET) {
 416                resetSendingToWaiting(account);
 417                if (connection != null && account.getStatus().isAttemptReconnect()) {
 418                    final int next = connection.getTimeToNextAttempt();
 419                    final boolean lowPingTimeoutMode = isInLowPingTimeoutMode(account);
 420                    if (next <= 0) {
 421                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. reconnecting now. lowPingTimeout=" + lowPingTimeoutMode);
 422                        reconnectAccount(account, true, false);
 423                    } else {
 424                        final int attempt = connection.getAttempt() + 1;
 425                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. try again in " + next + "s for the " + attempt + " time. lowPingTimeout=" + lowPingTimeoutMode);
 426                        scheduleWakeUpCall(next, account.getUuid().hashCode());
 427                    }
 428                }
 429            }
 430            getNotificationService().updateErrorNotification();
 431        }
 432    };
 433    private OpenPgpServiceConnection pgpServiceConnection;
 434    private PgpEngine mPgpEngine = null;
 435    private WakeLock wakeLock;
 436    private PowerManager pm;
 437    private LruCache<String, Bitmap> mBitmapCache;
 438    private BroadcastReceiver mInternalEventReceiver = new InternalEventReceiver();
 439    private BroadcastReceiver mInternalScreenEventReceiver = new InternalEventReceiver();
 440
 441    private static String generateFetchKey(Account account, final Avatar avatar) {
 442        return account.getJid().asBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 443    }
 444
 445    private boolean isInLowPingTimeoutMode(Account account) {
 446        synchronized (mLowPingTimeoutMode) {
 447            return mLowPingTimeoutMode.contains(account.getJid().asBareJid());
 448        }
 449    }
 450
 451    public void startForcingForegroundNotification() {
 452        mForceForegroundService.set(true);
 453        toggleForegroundService();
 454    }
 455
 456    public void stopForcingForegroundNotification() {
 457        mForceForegroundService.set(false);
 458        toggleForegroundService();
 459    }
 460
 461    public boolean areMessagesInitialized() {
 462        return this.restoredFromDatabaseLatch.getCount() == 0;
 463    }
 464
 465    public PgpEngine getPgpEngine() {
 466        if (!Config.supportOpenPgp()) {
 467            return null;
 468        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 469            if (this.mPgpEngine == null) {
 470                this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 471                        getApplicationContext(),
 472                        pgpServiceConnection.getService()), this);
 473            }
 474            return mPgpEngine;
 475        } else {
 476            return null;
 477        }
 478
 479    }
 480
 481    public OpenPgpApi getOpenPgpApi() {
 482        if (!Config.supportOpenPgp()) {
 483            return null;
 484        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 485            return new OpenPgpApi(this, pgpServiceConnection.getService());
 486        } else {
 487            return null;
 488        }
 489    }
 490
 491    public FileBackend getFileBackend() {
 492        return this.fileBackend;
 493    }
 494
 495    public AvatarService getAvatarService() {
 496        return this.mAvatarService;
 497    }
 498
 499    public void attachLocationToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 500        int encryption = conversation.getNextEncryption();
 501        if (encryption == Message.ENCRYPTION_PGP) {
 502            encryption = Message.ENCRYPTION_DECRYPTED;
 503        }
 504        Message message = new Message(conversation, uri.toString(), encryption);
 505        Message.configurePrivateMessage(message);
 506        if (encryption == Message.ENCRYPTION_DECRYPTED) {
 507            getPgpEngine().encrypt(message, callback);
 508        } else {
 509            sendMessage(message);
 510            callback.success(message);
 511        }
 512    }
 513
 514    public void attachFileToConversation(final Conversation conversation, final Uri uri, final String type, final UiCallback<Message> callback) {
 515        final Message message;
 516        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 517            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 518        } else {
 519            message = new Message(conversation, "", conversation.getNextEncryption());
 520        }
 521        if (!Message.configurePrivateFileMessage(message)) {
 522            message.setCounterpart(conversation.getNextCounterpart());
 523            message.setType(Message.TYPE_FILE);
 524        }
 525        Log.d(Config.LOGTAG,"attachFile: type="+message.getType());
 526        Log.d(Config.LOGTAG,"counterpart="+message.getCounterpart());
 527        final AttachFileToConversationRunnable runnable = new AttachFileToConversationRunnable(this, uri, type, message, callback);
 528        if (runnable.isVideoMessage()) {
 529            mVideoCompressionExecutor.execute(runnable);
 530        } else {
 531            mFileAddingExecutor.execute(runnable);
 532        }
 533    }
 534
 535    public void attachImageToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 536        final String mimeType = MimeUtils.guessMimeTypeFromUri(this, uri);
 537        final String compressPictures = getCompressPicturesPreference();
 538
 539        if ("never".equals(compressPictures)
 540                || ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))
 541                || (mimeType != null && mimeType.endsWith("/gif"))
 542                || getFileBackend().unusualBounds(uri)) {
 543            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": not compressing picture. sending as file");
 544            attachFileToConversation(conversation, uri, mimeType, callback);
 545            return;
 546        }
 547        final Message message;
 548        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 549            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 550        } else {
 551            message = new Message(conversation, "", conversation.getNextEncryption());
 552        }
 553        if (!Message.configurePrivateFileMessage(message)) {
 554            message.setCounterpart(conversation.getNextCounterpart());
 555            message.setType(Message.TYPE_IMAGE);
 556        }
 557        Log.d(Config.LOGTAG,"attachImage: type="+message.getType());
 558        mFileAddingExecutor.execute(() -> {
 559            try {
 560                getFileBackend().copyImageToPrivateStorage(message, uri);
 561                if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 562                    final PgpEngine pgpEngine = getPgpEngine();
 563                    if (pgpEngine != null) {
 564                        pgpEngine.encrypt(message, callback);
 565                    } else if (callback != null) {
 566                        callback.error(R.string.unable_to_connect_to_keychain, null);
 567                    }
 568                } else {
 569                    sendMessage(message);
 570                    callback.success(message);
 571                }
 572            } catch (final FileBackend.FileCopyException e) {
 573                callback.error(e.getResId(), message);
 574            }
 575        });
 576    }
 577
 578    public Conversation find(Bookmark bookmark) {
 579        return find(bookmark.getAccount(), bookmark.getJid());
 580    }
 581
 582    public Conversation find(final Account account, final Jid jid) {
 583        return find(getConversations(), account, jid);
 584    }
 585
 586    public boolean isMuc(final Account account, final Jid jid) {
 587        final Conversation c = find(account, jid);
 588        return c != null && c.getMode() == Conversational.MODE_MULTI;
 589    }
 590
 591    public void search(List<String> term, OnSearchResultsAvailable onSearchResultsAvailable) {
 592        MessageSearchTask.search(this, term, onSearchResultsAvailable);
 593    }
 594
 595    @Override
 596    public int onStartCommand(Intent intent, int flags, int startId) {
 597        final String action = intent == null ? null : intent.getAction();
 598        final boolean needsForegroundService = intent != null && intent.getBooleanExtra(EventReceiver.EXTRA_NEEDS_FOREGROUND_SERVICE, false);
 599        if (needsForegroundService) {
 600            Log.d(Config.LOGTAG,"toggle forced foreground service after receiving event (action="+action+")");
 601            toggleForegroundService(true);
 602        }
 603        String pushedAccountHash = null;
 604        String pushedChannelHash = null;
 605        boolean interactive = false;
 606        if (action != null) {
 607            final String uuid = intent.getStringExtra("uuid");
 608            switch (action) {
 609                case ConnectivityManager.CONNECTIVITY_ACTION:
 610                    if (hasInternetConnection()) {
 611                        if (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0) {
 612                            schedulePostConnectivityChange();
 613                        }
 614                        if (Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 615                            resetAllAttemptCounts(true, false);
 616                        }
 617                    }
 618                    break;
 619                case Intent.ACTION_SHUTDOWN:
 620                    logoutAndSave(true);
 621                    return START_NOT_STICKY;
 622                case ACTION_CLEAR_NOTIFICATION:
 623                    mNotificationExecutor.execute(() -> {
 624                        try {
 625                            final Conversation c = findConversationByUuid(uuid);
 626                            if (c != null) {
 627                                mNotificationService.clear(c);
 628                            } else {
 629                                mNotificationService.clear();
 630                            }
 631                            restoredFromDatabaseLatch.await();
 632
 633                        } catch (InterruptedException e) {
 634                            Log.d(Config.LOGTAG, "unable to process clear notification");
 635                        }
 636                    });
 637                    break;
 638                case ACTION_DISMISS_ERROR_NOTIFICATIONS:
 639                    dismissErrorNotifications();
 640                    break;
 641                case ACTION_TRY_AGAIN:
 642                    resetAllAttemptCounts(false, true);
 643                    interactive = true;
 644                    break;
 645                case ACTION_REPLY_TO_CONVERSATION:
 646                    Bundle remoteInput = RemoteInput.getResultsFromIntent(intent);
 647                    if (remoteInput == null) {
 648                        break;
 649                    }
 650                    final CharSequence body = remoteInput.getCharSequence("text_reply");
 651                    final boolean dismissNotification = intent.getBooleanExtra("dismiss_notification", false);
 652                    if (body == null || body.length() <= 0) {
 653                        break;
 654                    }
 655                    mNotificationExecutor.execute(() -> {
 656                        try {
 657                            restoredFromDatabaseLatch.await();
 658                            final Conversation c = findConversationByUuid(uuid);
 659                            if (c != null) {
 660                                directReply(c, body.toString(), dismissNotification);
 661                            }
 662                        } catch (InterruptedException e) {
 663                            Log.d(Config.LOGTAG, "unable to process direct reply");
 664                        }
 665                    });
 666                    break;
 667                case ACTION_MARK_AS_READ:
 668                    mNotificationExecutor.execute(() -> {
 669                        final Conversation c = findConversationByUuid(uuid);
 670                        if (c == null) {
 671                            Log.d(Config.LOGTAG, "received mark read intent for unknown conversation (" + uuid + ")");
 672                            return;
 673                        }
 674                        try {
 675                            restoredFromDatabaseLatch.await();
 676                            sendReadMarker(c, null);
 677                        } catch (InterruptedException e) {
 678                            Log.d(Config.LOGTAG, "unable to process notification read marker for conversation " + c.getName());
 679                        }
 680
 681                    });
 682                    break;
 683                case ACTION_SNOOZE:
 684                    mNotificationExecutor.execute(() -> {
 685                        final Conversation c = findConversationByUuid(uuid);
 686                        if (c == null) {
 687                            Log.d(Config.LOGTAG, "received snooze intent for unknown conversation (" + uuid + ")");
 688                            return;
 689                        }
 690                        c.setMutedTill(System.currentTimeMillis() + 30 * 60 * 1000);
 691                        mNotificationService.clear(c);
 692                        updateConversation(c);
 693                    });
 694                case AudioManager.RINGER_MODE_CHANGED_ACTION:
 695                case NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED:
 696                    if (dndOnSilentMode()) {
 697                        refreshAllPresences();
 698                    }
 699                    break;
 700                case Intent.ACTION_SCREEN_ON:
 701                    deactivateGracePeriod();
 702                case Intent.ACTION_SCREEN_OFF:
 703                    if (awayWhenScreenOff()) {
 704                        refreshAllPresences();
 705                    }
 706                    break;
 707                case ACTION_FCM_TOKEN_REFRESH:
 708                    refreshAllFcmTokens();
 709                    break;
 710                case ACTION_IDLE_PING:
 711                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 712                        scheduleNextIdlePing();
 713                    }
 714                    break;
 715                case ACTION_FCM_MESSAGE_RECEIVED:
 716                    pushedAccountHash = intent.getStringExtra("account");
 717                    pushedChannelHash = intent.getStringExtra("channel");
 718                    Log.d(Config.LOGTAG, "push message arrived in service. account=" + pushedAccountHash);
 719                    break;
 720                case Intent.ACTION_SEND:
 721                    Uri uri = intent.getData();
 722                    if (uri != null) {
 723                        Log.d(Config.LOGTAG, "received uri permission for " + uri.toString());
 724                    }
 725                    return START_STICKY;
 726            }
 727        }
 728        synchronized (this) {
 729            WakeLockHelper.acquire(wakeLock);
 730            boolean pingNow = ConnectivityManager.CONNECTIVITY_ACTION.equals(action) || (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0 && ACTION_POST_CONNECTIVITY_CHANGE.equals(action));
 731            final HashSet<Account> pingCandidates = new HashSet<>();
 732            final String androidId = PhoneHelper.getAndroidId(this);
 733            for (Account account : accounts) {
 734                final boolean pushWasMeantForThisAccount = CryptoHelper.getAccountFingerprint(account, androidId).equals(pushedAccountHash);
 735                pingNow |= processAccountState(account,
 736                        interactive,
 737                        "ui".equals(action),
 738                        pushWasMeantForThisAccount,
 739                        pingCandidates);
 740                if (pushWasMeantForThisAccount && pushedChannelHash != null) {
 741                    checkMucStillJoined(account, pushedAccountHash, androidId);
 742                }
 743            }
 744            if (pingNow) {
 745                for (Account account : pingCandidates) {
 746                    final boolean lowTimeout = isInLowPingTimeoutMode(account);
 747                    account.getXmppConnection().sendPing();
 748                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + " send ping (action=" + action + ",lowTimeout=" + Boolean.toString(lowTimeout) + ")");
 749                    scheduleWakeUpCall(lowTimeout ? Config.LOW_PING_TIMEOUT : Config.PING_TIMEOUT, account.getUuid().hashCode());
 750                }
 751            }
 752            WakeLockHelper.release(wakeLock);
 753        }
 754        if (SystemClock.elapsedRealtime() - mLastExpiryRun.get() >= Config.EXPIRY_INTERVAL) {
 755            expireOldMessages();
 756        }
 757        return START_STICKY;
 758    }
 759
 760    private boolean processAccountState(Account account, boolean interactive, boolean isUiAction, boolean isAccountPushed, HashSet<Account> pingCandidates) {
 761        boolean pingNow = false;
 762        if (account.getStatus().isAttemptReconnect()) {
 763            if (!hasInternetConnection()) {
 764                account.setStatus(Account.State.NO_INTERNET);
 765                if (statusListener != null) {
 766                    statusListener.onStatusChanged(account);
 767                }
 768            } else {
 769                if (account.getStatus() == Account.State.NO_INTERNET) {
 770                    account.setStatus(Account.State.OFFLINE);
 771                    if (statusListener != null) {
 772                        statusListener.onStatusChanged(account);
 773                    }
 774                }
 775                if (account.getStatus() == Account.State.ONLINE) {
 776                    synchronized (mLowPingTimeoutMode) {
 777                        long lastReceived = account.getXmppConnection().getLastPacketReceived();
 778                        long lastSent = account.getXmppConnection().getLastPingSent();
 779                        long pingInterval = isUiAction ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 780                        long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 781                        int pingTimeout = mLowPingTimeoutMode.contains(account.getJid().asBareJid()) ? Config.LOW_PING_TIMEOUT * 1000 : Config.PING_TIMEOUT * 1000;
 782                        long pingTimeoutIn = (lastSent + pingTimeout) - SystemClock.elapsedRealtime();
 783                        if (lastSent > lastReceived) {
 784                            if (pingTimeoutIn < 0) {
 785                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ping timeout");
 786                                this.reconnectAccount(account, true, interactive);
 787                            } else {
 788                                int secs = (int) (pingTimeoutIn / 1000);
 789                                this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
 790                            }
 791                        } else {
 792                            pingCandidates.add(account);
 793                            if (isAccountPushed) {
 794                                pingNow = true;
 795                                if (mLowPingTimeoutMode.add(account.getJid().asBareJid())) {
 796                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": entering low ping timeout mode");
 797                                }
 798                            } else if (msToNextPing <= 0) {
 799                                pingNow = true;
 800                            } else {
 801                                this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 802                                if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 803                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 804                                }
 805                            }
 806                        }
 807                    }
 808                } else if (account.getStatus() == Account.State.OFFLINE) {
 809                    reconnectAccount(account, true, interactive);
 810                } else if (account.getStatus() == Account.State.CONNECTING) {
 811                    long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
 812                    long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
 813                    long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
 814                    long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
 815                    if (timeout < 0) {
 816                        Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting (secondsSinceLast=" + secondsSinceLastConnect + ")");
 817                        account.getXmppConnection().resetAttemptCount(false);
 818                        reconnectAccount(account, true, interactive);
 819                    } else if (discoTimeout < 0) {
 820                        account.getXmppConnection().sendDiscoTimeout();
 821                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 822                    } else {
 823                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 824                    }
 825                } else {
 826                    if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 827                        reconnectAccount(account, true, interactive);
 828                    }
 829                }
 830            }
 831        }
 832        return pingNow;
 833    }
 834
 835    private void checkMucStillJoined(final Account account, final String hash, final String androidId) {
 836        for(final Conversation conversation : this.conversations) {
 837            if (conversation.getAccount() == account && conversation.getMode() == Conversational.MODE_MULTI) {
 838                Jid jid = conversation.getJid().asBareJid();
 839                final String currentHash = CryptoHelper.getFingerprint(jid, androidId);
 840                if (currentHash.equals(hash)) {
 841                    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": received cloud push notification for MUC "+jid);
 842                    return;
 843                }
 844            }
 845        }
 846        mPushManagementService.unregisterChannel(account, hash);
 847    }
 848
 849    public void reinitializeMuclumbusService() {
 850        mChannelDiscoveryService.initializeMuclumbusService();
 851    }
 852
 853    public void discoverChannels(String query, ChannelDiscoveryService.OnChannelSearchResultsFound onChannelSearchResultsFound) {
 854        mChannelDiscoveryService.discover(query, onChannelSearchResultsFound);
 855    }
 856
 857    public boolean isDataSaverDisabled() {
 858        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 859            ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
 860            return !connectivityManager.isActiveNetworkMetered()
 861                    || connectivityManager.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
 862        } else {
 863            return true;
 864        }
 865    }
 866
 867    private void directReply(Conversation conversation, String body, final boolean dismissAfterReply) {
 868        Message message = new Message(conversation, body, conversation.getNextEncryption());
 869        message.markUnread();
 870        if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 871            getPgpEngine().encrypt(message, new UiCallback<Message>() {
 872                @Override
 873                public void success(Message message) {
 874                    if (dismissAfterReply) {
 875                        markRead((Conversation) message.getConversation(), true);
 876                    } else {
 877                        mNotificationService.pushFromDirectReply(message);
 878                    }
 879                }
 880
 881                @Override
 882                public void error(int errorCode, Message object) {
 883
 884                }
 885
 886                @Override
 887                public void userInputRequired(PendingIntent pi, Message object) {
 888
 889                }
 890            });
 891        } else {
 892            sendMessage(message);
 893            if (dismissAfterReply) {
 894                markRead(conversation, true);
 895            } else {
 896                mNotificationService.pushFromDirectReply(message);
 897            }
 898        }
 899    }
 900
 901    private boolean dndOnSilentMode() {
 902        return getBooleanPreference(SettingsActivity.DND_ON_SILENT_MODE, R.bool.dnd_on_silent_mode);
 903    }
 904
 905    private boolean manuallyChangePresence() {
 906        return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
 907    }
 908
 909    private boolean treatVibrateAsSilent() {
 910        return getBooleanPreference(SettingsActivity.TREAT_VIBRATE_AS_SILENT, R.bool.treat_vibrate_as_silent);
 911    }
 912
 913    private boolean awayWhenScreenOff() {
 914        return getBooleanPreference(SettingsActivity.AWAY_WHEN_SCREEN_IS_OFF, R.bool.away_when_screen_off);
 915    }
 916
 917    private String getCompressPicturesPreference() {
 918        return getPreferences().getString("picture_compression", getResources().getString(R.string.picture_compression));
 919    }
 920
 921    private Presence.Status getTargetPresence() {
 922        if (dndOnSilentMode() && isPhoneSilenced()) {
 923            return Presence.Status.DND;
 924        } else if (awayWhenScreenOff() && !isInteractive()) {
 925            return Presence.Status.AWAY;
 926        } else {
 927            return Presence.Status.ONLINE;
 928        }
 929    }
 930
 931    @SuppressLint("NewApi")
 932    @SuppressWarnings("deprecation")
 933    public boolean isInteractive() {
 934        try {
 935            final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 936
 937            final boolean isScreenOn;
 938            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
 939                isScreenOn = pm.isScreenOn();
 940            } else {
 941                isScreenOn = pm.isInteractive();
 942            }
 943            return isScreenOn;
 944        } catch (RuntimeException e) {
 945            return false;
 946        }
 947    }
 948
 949    private boolean isPhoneSilenced() {
 950        final boolean notificationDnd;
 951        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 952            final NotificationManager notificationManager = getSystemService(NotificationManager.class);
 953            final int filter = notificationManager == null ? NotificationManager.INTERRUPTION_FILTER_UNKNOWN : notificationManager.getCurrentInterruptionFilter();
 954            notificationDnd = filter >= NotificationManager.INTERRUPTION_FILTER_PRIORITY;
 955        } else {
 956            notificationDnd = false;
 957        }
 958        final AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
 959        final int ringerMode = audioManager == null ? AudioManager.RINGER_MODE_NORMAL : audioManager.getRingerMode();
 960        try {
 961            if (treatVibrateAsSilent()) {
 962                return notificationDnd || ringerMode != AudioManager.RINGER_MODE_NORMAL;
 963            } else {
 964                return notificationDnd || ringerMode == AudioManager.RINGER_MODE_SILENT;
 965            }
 966        } catch (Throwable throwable) {
 967            Log.d(Config.LOGTAG, "platform bug in isPhoneSilenced (" + throwable.getMessage() + ")");
 968            return notificationDnd;
 969        }
 970    }
 971
 972    private void resetAllAttemptCounts(boolean reallyAll, boolean retryImmediately) {
 973        Log.d(Config.LOGTAG, "resetting all attempt counts");
 974        for (Account account : accounts) {
 975            if (account.hasErrorStatus() || reallyAll) {
 976                final XmppConnection connection = account.getXmppConnection();
 977                if (connection != null) {
 978                    connection.resetAttemptCount(retryImmediately);
 979                }
 980            }
 981            if (account.setShowErrorNotification(true)) {
 982                mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
 983            }
 984        }
 985        mNotificationService.updateErrorNotification();
 986    }
 987
 988    private void dismissErrorNotifications() {
 989        for (final Account account : this.accounts) {
 990            if (account.hasErrorStatus()) {
 991                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": dismissing error notification");
 992                if (account.setShowErrorNotification(false)) {
 993                    mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
 994                }
 995            }
 996        }
 997    }
 998
 999    private void expireOldMessages() {
1000        expireOldMessages(false);
1001    }
1002
1003    public void expireOldMessages(final boolean resetHasMessagesLeftOnServer) {
1004        mLastExpiryRun.set(SystemClock.elapsedRealtime());
1005        mDatabaseWriterExecutor.execute(() -> {
1006            long timestamp = getAutomaticMessageDeletionDate();
1007            if (timestamp > 0) {
1008                databaseBackend.expireOldMessages(timestamp);
1009                synchronized (XmppConnectionService.this.conversations) {
1010                    for (Conversation conversation : XmppConnectionService.this.conversations) {
1011                        conversation.expireOldMessages(timestamp);
1012                        if (resetHasMessagesLeftOnServer) {
1013                            conversation.messagesLoaded.set(true);
1014                            conversation.setHasMessagesLeftOnServer(true);
1015                        }
1016                    }
1017                }
1018                updateConversationUi();
1019            }
1020        });
1021    }
1022
1023    public boolean hasInternetConnection() {
1024        final ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
1025        try {
1026            final NetworkInfo activeNetwork = cm == null ? null : cm.getActiveNetworkInfo();
1027            return activeNetwork != null && (activeNetwork.isConnected() || activeNetwork.getType() == ConnectivityManager.TYPE_ETHERNET);
1028        } catch (RuntimeException e) {
1029            Log.d(Config.LOGTAG, "unable to check for internet connection", e);
1030            return true; //if internet connection can not be checked it is probably best to just try
1031        }
1032    }
1033
1034    @SuppressLint("TrulyRandom")
1035    @Override
1036    public void onCreate() {
1037        if (Compatibility.runsTwentySix()) {
1038            mNotificationService.initializeChannels();
1039        }
1040        mChannelDiscoveryService.initializeMuclumbusService();
1041        mForceDuringOnCreate.set(Compatibility.runsAndTargetsTwentySix(this));
1042        toggleForegroundService();
1043        this.destroyed = false;
1044        OmemoSetting.load(this);
1045        ExceptionHelper.init(getApplicationContext());
1046        try {
1047            Security.insertProviderAt(Conscrypt.newProvider(), 1);
1048        } catch (Throwable throwable) {
1049            Log.e(Config.LOGTAG,"unable to initialize security provider", throwable);
1050        }
1051        Resolver.init(this);
1052        this.mRandom = new SecureRandom();
1053        updateMemorizingTrustmanager();
1054        final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
1055        final int cacheSize = maxMemory / 8;
1056        this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
1057            @Override
1058            protected int sizeOf(final String key, final Bitmap bitmap) {
1059                return bitmap.getByteCount() / 1024;
1060            }
1061        };
1062        if (mLastActivity == 0) {
1063            mLastActivity = getPreferences().getLong(SETTING_LAST_ACTIVITY_TS, System.currentTimeMillis());
1064        }
1065
1066        Log.d(Config.LOGTAG, "initializing database...");
1067        this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
1068        Log.d(Config.LOGTAG, "restoring accounts...");
1069        this.accounts = databaseBackend.getAccounts();
1070        final SharedPreferences.Editor editor = getPreferences().edit();
1071        if (this.accounts.size() == 0 && Arrays.asList("Sony", "Sony Ericsson").contains(Build.MANUFACTURER)) {
1072            editor.putBoolean(SettingsActivity.KEEP_FOREGROUND_SERVICE, true);
1073            Log.d(Config.LOGTAG, Build.MANUFACTURER + " is on blacklist. enabling foreground service");
1074        }
1075        final boolean hasEnabledAccounts = hasEnabledAccounts();
1076        editor.putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
1077        editor.apply();
1078        toggleSetProfilePictureActivity(hasEnabledAccounts);
1079
1080        restoreFromDatabase();
1081
1082        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || ContextCompat.checkSelfPermission(this, Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
1083            startContactObserver();
1084        }
1085        if (Compatibility.hasStoragePermission(this)) {
1086            Log.d(Config.LOGTAG, "starting file observer");
1087            mFileAddingExecutor.execute(this.fileObserver::startWatching);
1088            mFileAddingExecutor.execute(this::checkForDeletedFiles);
1089        }
1090        if (Config.supportOpenPgp()) {
1091            this.pgpServiceConnection = new OpenPgpServiceConnection(this, "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
1092                @Override
1093                public void onBound(IOpenPgpService2 service) {
1094                    for (Account account : accounts) {
1095                        final PgpDecryptionService pgp = account.getPgpDecryptionService();
1096                        if (pgp != null) {
1097                            pgp.continueDecryption(true);
1098                        }
1099                    }
1100                }
1101
1102                @Override
1103                public void onError(Exception e) {
1104                }
1105            });
1106            this.pgpServiceConnection.bindToService();
1107        }
1108
1109        this.pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
1110        this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Conversations:Service");
1111
1112        toggleForegroundService();
1113        updateUnreadCountBadge();
1114        toggleScreenEventReceiver();
1115        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1116            scheduleNextIdlePing();
1117            IntentFilter intentFilter = new IntentFilter();
1118            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1119                intentFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
1120            }
1121            intentFilter.addAction(NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED);
1122            registerReceiver(this.mInternalEventReceiver, intentFilter);
1123        }
1124        mForceDuringOnCreate.set(false);
1125        toggleForegroundService();
1126    }
1127
1128    private void checkForDeletedFiles() {
1129        if (destroyed) {
1130            Log.d(Config.LOGTAG, "Do not check for deleted files because service has been destroyed");
1131            return;
1132        }
1133        final long start = SystemClock.elapsedRealtime();
1134        final List<DatabaseBackend.FilePathInfo> relativeFilePaths = databaseBackend.getFilePathInfo();
1135        final List<DatabaseBackend.FilePathInfo> changed = new ArrayList<>();
1136        for(final DatabaseBackend.FilePathInfo filePath : relativeFilePaths) {
1137            if (destroyed) {
1138                Log.d(Config.LOGTAG, "Stop checking for deleted files because service has been destroyed");
1139                return;
1140            }
1141            final File file = fileBackend.getFileForPath(filePath.path);
1142            if (filePath.setDeleted(!file.exists())) {
1143                changed.add(filePath);
1144            }
1145        }
1146        final long duration = SystemClock.elapsedRealtime() - start;
1147        Log.d(Config.LOGTAG,"found "+changed.size()+" changed files on start up. total="+relativeFilePaths.size()+". ("+duration+"ms)");
1148        if (changed.size() > 0) {
1149            databaseBackend.markFilesAsChanged(changed);
1150            markChangedFiles(changed);
1151        }
1152    }
1153
1154    public void startContactObserver() {
1155        getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, new ContentObserver(null) {
1156            @Override
1157            public void onChange(boolean selfChange) {
1158                super.onChange(selfChange);
1159                if (restoredFromDatabaseLatch.getCount() == 0) {
1160                    loadPhoneContacts();
1161                }
1162            }
1163        });
1164    }
1165
1166    @Override
1167    public void onTrimMemory(int level) {
1168        super.onTrimMemory(level);
1169        if (level >= TRIM_MEMORY_COMPLETE) {
1170            Log.d(Config.LOGTAG, "clear cache due to low memory");
1171            getBitmapCache().evictAll();
1172        }
1173    }
1174
1175    @Override
1176    public void onDestroy() {
1177        try {
1178            unregisterReceiver(this.mInternalEventReceiver);
1179        } catch (IllegalArgumentException e) {
1180            //ignored
1181        }
1182        destroyed = false;
1183        fileObserver.stopWatching();
1184        super.onDestroy();
1185    }
1186
1187    public void restartFileObserver() {
1188        Log.d(Config.LOGTAG, "restarting file observer");
1189        mFileAddingExecutor.execute(this.fileObserver::restartWatching);
1190        mFileAddingExecutor.execute(this::checkForDeletedFiles);
1191    }
1192
1193    public void toggleScreenEventReceiver() {
1194        if (awayWhenScreenOff() && !manuallyChangePresence()) {
1195            final IntentFilter filter = new IntentFilter();
1196            filter.addAction(Intent.ACTION_SCREEN_ON);
1197            filter.addAction(Intent.ACTION_SCREEN_OFF);
1198            registerReceiver(this.mInternalScreenEventReceiver, filter);
1199        } else {
1200            try {
1201                unregisterReceiver(this.mInternalScreenEventReceiver);
1202            } catch (IllegalArgumentException e) {
1203                //ignored
1204            }
1205        }
1206    }
1207
1208    public void toggleForegroundService() {
1209        toggleForegroundService(false);
1210    }
1211
1212    private void toggleForegroundService(boolean force) {
1213        final boolean status;
1214        if (force || mForceDuringOnCreate.get() || mForceForegroundService.get() || (Compatibility.keepForegroundService(this) && hasEnabledAccounts())) {
1215            final Notification notification = this.mNotificationService.createForegroundNotification();
1216            startForeground(NotificationService.FOREGROUND_NOTIFICATION_ID, notification);
1217            if (!mForceForegroundService.get()) {
1218                mNotificationService.notify(NotificationService.FOREGROUND_NOTIFICATION_ID, notification);
1219            }
1220            status = true;
1221        } else {
1222            stopForeground(true);
1223            status = false;
1224        }
1225        if (!mForceForegroundService.get()) {
1226            mNotificationService.dismissForcedForegroundNotification(); //if the channel was changed the previous call might fail
1227        }
1228        Log.d(Config.LOGTAG,"ForegroundService: "+(status?"on":"off"));
1229    }
1230
1231    public boolean foregroundNotificationNeedsUpdatingWhenErrorStateChanges() {
1232        return !mForceForegroundService.get() && Compatibility.keepForegroundService(this) && hasEnabledAccounts();
1233    }
1234
1235    @Override
1236    public void onTaskRemoved(final Intent rootIntent) {
1237        super.onTaskRemoved(rootIntent);
1238        if ((Compatibility.keepForegroundService(this) && hasEnabledAccounts()) || mForceForegroundService.get()) {
1239            Log.d(Config.LOGTAG, "ignoring onTaskRemoved because foreground service is activated");
1240        } else {
1241            this.logoutAndSave(false);
1242        }
1243    }
1244
1245    private void logoutAndSave(boolean stop) {
1246        int activeAccounts = 0;
1247        for (final Account account : accounts) {
1248            if (account.getStatus() != Account.State.DISABLED) {
1249                databaseBackend.writeRoster(account.getRoster());
1250                activeAccounts++;
1251            }
1252            if (account.getXmppConnection() != null) {
1253                new Thread(() -> disconnect(account, false)).start();
1254            }
1255        }
1256        if (stop || activeAccounts == 0) {
1257            Log.d(Config.LOGTAG, "good bye");
1258            stopSelf();
1259        }
1260    }
1261
1262    private void schedulePostConnectivityChange() {
1263        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1264        if (alarmManager == null) {
1265            return;
1266        }
1267        final long triggerAtMillis = SystemClock.elapsedRealtime() + (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL * 1000);
1268        final Intent intent = new Intent(this, EventReceiver.class);
1269        intent.setAction(ACTION_POST_CONNECTIVITY_CHANGE);
1270        try {
1271            final PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 1, intent, 0);
1272            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1273                alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1274            } else {
1275                alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1276            }
1277        } catch (RuntimeException e) {
1278            Log.e(Config.LOGTAG, "unable to schedule alarm for post connectivity change", e);
1279        }
1280    }
1281
1282    public void scheduleWakeUpCall(int seconds, int requestCode) {
1283        final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000;
1284        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1285        if (alarmManager == null) {
1286            return;
1287        }
1288        final Intent intent = new Intent(this, EventReceiver.class);
1289        intent.setAction("ping");
1290        try {
1291            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, requestCode, intent, 0);
1292            alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1293        } catch (RuntimeException e) {
1294            Log.e(Config.LOGTAG, "unable to schedule alarm for ping", e);
1295        }
1296    }
1297
1298    @TargetApi(Build.VERSION_CODES.M)
1299    private void scheduleNextIdlePing() {
1300        final long timeToWake = SystemClock.elapsedRealtime() + (Config.IDLE_PING_INTERVAL * 1000);
1301        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1302        if (alarmManager == null) {
1303            return;
1304        }
1305        final Intent intent = new Intent(this, EventReceiver.class);
1306        intent.setAction(ACTION_IDLE_PING);
1307        try {
1308            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
1309            alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1310        } catch (RuntimeException e) {
1311            Log.d(Config.LOGTAG, "unable to schedule alarm for idle ping", e);
1312        }
1313    }
1314
1315    public XmppConnection createConnection(final Account account) {
1316        final XmppConnection connection = new XmppConnection(account, this);
1317        connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1318        connection.setOnStatusChangedListener(this.statusListener);
1319        connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1320        connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1321        connection.setOnJinglePacketReceivedListener(this.jingleListener);
1322        connection.setOnBindListener(this.mOnBindListener);
1323        connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1324        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1325        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1326        AxolotlService axolotlService = account.getAxolotlService();
1327        if (axolotlService != null) {
1328            connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1329        }
1330        return connection;
1331    }
1332
1333    public void sendChatState(Conversation conversation) {
1334        if (sendChatStates()) {
1335            MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1336            sendMessagePacket(conversation.getAccount(), packet);
1337        }
1338    }
1339
1340    private void sendFileMessage(final Message message, final boolean delay) {
1341        Log.d(Config.LOGTAG, "send file message");
1342        final Account account = message.getConversation().getAccount();
1343        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1344                || message.getConversation().getMode() == Conversation.MODE_MULTI) {
1345            mHttpConnectionManager.createNewUploadConnection(message, delay);
1346        } else {
1347            mJingleConnectionManager.createNewConnection(message);
1348        }
1349    }
1350
1351    public void sendMessage(final Message message) {
1352        sendMessage(message, false, false);
1353    }
1354
1355    private void sendMessage(final Message message, final boolean resend, final boolean delay) {
1356        final Account account = message.getConversation().getAccount();
1357        if (account.setShowErrorNotification(true)) {
1358            databaseBackend.updateAccount(account);
1359            mNotificationService.updateErrorNotification();
1360        }
1361        final Conversation conversation = (Conversation) message.getConversation();
1362        account.deactivateGracePeriod();
1363
1364
1365        if (QuickConversationsService.isQuicksy() && conversation.getMode() == Conversation.MODE_SINGLE) {
1366            final Contact contact = conversation.getContact();
1367            if (!contact.showInRoster() && contact.getOption(Contact.Options.SYNCED_VIA_OTHER)) {
1368                Log.d(Config.LOGTAG,account.getJid().asBareJid()+": adding "+contact.getJid()+" on sending message");
1369                createContact(contact, true);
1370            }
1371        }
1372
1373        MessagePacket packet = null;
1374        final boolean addToConversation = (conversation.getMode() != Conversation.MODE_MULTI
1375                || !Patches.BAD_MUC_REFLECTION.contains(account.getServerIdentity()))
1376                && !message.edited();
1377        boolean saveInDb = addToConversation;
1378        message.setStatus(Message.STATUS_WAITING);
1379
1380        if (message.getEncryption() != Message.ENCRYPTION_NONE && conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous()) {
1381            if (conversation.setAttribute(Conversation.ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS, true)) {
1382                databaseBackend.updateConversation(conversation);
1383            }
1384        }
1385
1386        final boolean inProgressJoin;
1387        synchronized (account.inProgressConferenceJoins) {
1388            inProgressJoin = conversation.getMode() == Conversational.MODE_MULTI && (account.inProgressConferenceJoins.contains(conversation) || account.pendingConferenceJoins.contains(conversation));
1389        }
1390
1391        if (account.isOnlineAndConnected() && !inProgressJoin) {
1392            switch (message.getEncryption()) {
1393                case Message.ENCRYPTION_NONE:
1394                    if (message.needsUploading()) {
1395                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1396                                || conversation.getMode() == Conversation.MODE_MULTI
1397                                || message.fixCounterpart()) {
1398                            this.sendFileMessage(message, delay);
1399                        } else {
1400                            break;
1401                        }
1402                    } else {
1403                        packet = mMessageGenerator.generateChat(message);
1404                    }
1405                    break;
1406                case Message.ENCRYPTION_PGP:
1407                case Message.ENCRYPTION_DECRYPTED:
1408                    if (message.needsUploading()) {
1409                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1410                                || conversation.getMode() == Conversation.MODE_MULTI
1411                                || message.fixCounterpart()) {
1412                            this.sendFileMessage(message, delay);
1413                        } else {
1414                            break;
1415                        }
1416                    } else {
1417                        packet = mMessageGenerator.generatePgpChat(message);
1418                    }
1419                    break;
1420                case Message.ENCRYPTION_AXOLOTL:
1421                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1422                    if (message.needsUploading()) {
1423                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1424                                || conversation.getMode() == Conversation.MODE_MULTI
1425                                || message.fixCounterpart()) {
1426                            this.sendFileMessage(message, delay);
1427                        } else {
1428                            break;
1429                        }
1430                    } else {
1431                        XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1432                        if (axolotlMessage == null) {
1433                            account.getAxolotlService().preparePayloadMessage(message, delay);
1434                        } else {
1435                            packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1436                        }
1437                    }
1438                    break;
1439
1440            }
1441            if (packet != null) {
1442                if (account.getXmppConnection().getFeatures().sm()
1443                        || (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1444                    message.setStatus(Message.STATUS_UNSEND);
1445                } else {
1446                    message.setStatus(Message.STATUS_SEND);
1447                }
1448            }
1449        } else {
1450            switch (message.getEncryption()) {
1451                case Message.ENCRYPTION_DECRYPTED:
1452                    if (!message.needsUploading()) {
1453                        String pgpBody = message.getEncryptedBody();
1454                        String decryptedBody = message.getBody();
1455                        message.setBody(pgpBody); //TODO might throw NPE
1456                        message.setEncryption(Message.ENCRYPTION_PGP);
1457                        if (message.edited()) {
1458                            message.setBody(decryptedBody);
1459                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1460                            if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1461                                Log.e(Config.LOGTAG,"error updated message in DB after edit");
1462                            }
1463                            updateConversationUi();
1464                            return;
1465                        } else {
1466                            databaseBackend.createMessage(message);
1467                            saveInDb = false;
1468                            message.setBody(decryptedBody);
1469                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1470                        }
1471                    }
1472                    break;
1473                case Message.ENCRYPTION_AXOLOTL:
1474                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1475                    break;
1476            }
1477        }
1478
1479
1480        boolean mucMessage = conversation.getMode() == Conversation.MODE_MULTI && !message.isPrivateMessage();
1481        if (mucMessage) {
1482            message.setCounterpart(conversation.getMucOptions().getSelf().getFullJid());
1483        }
1484
1485        if (resend) {
1486            if (packet != null && addToConversation) {
1487                if (account.getXmppConnection().getFeatures().sm() || mucMessage) {
1488                    markMessage(message, Message.STATUS_UNSEND);
1489                } else {
1490                    markMessage(message, Message.STATUS_SEND);
1491                }
1492            }
1493        } else {
1494            if (addToConversation) {
1495                conversation.add(message);
1496            }
1497            if (saveInDb) {
1498                databaseBackend.createMessage(message);
1499            } else if (message.edited()) {
1500                if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1501                    Log.e(Config.LOGTAG,"error updated message in DB after edit");
1502                }
1503            }
1504            updateConversationUi();
1505        }
1506        if (packet != null) {
1507            if (delay) {
1508                mMessageGenerator.addDelay(packet, message.getTimeSent());
1509            }
1510            if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
1511                if (this.sendChatStates()) {
1512                    packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1513                }
1514            }
1515            sendMessagePacket(account, packet);
1516        }
1517    }
1518
1519    private void sendUnsentMessages(final Conversation conversation) {
1520        conversation.findWaitingMessages(message -> resendMessage(message, true));
1521    }
1522
1523    public void resendMessage(final Message message, final boolean delay) {
1524        sendMessage(message, true, delay);
1525    }
1526
1527    public void fetchRosterFromServer(final Account account) {
1528        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1529        if (!"".equals(account.getRosterVersion())) {
1530            Log.d(Config.LOGTAG, account.getJid().asBareJid()
1531                    + ": fetching roster version " + account.getRosterVersion());
1532        } else {
1533            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching roster");
1534        }
1535        iqPacket.query(Namespace.ROSTER).setAttribute("ver", account.getRosterVersion());
1536        sendIqPacket(account, iqPacket, mIqParser);
1537    }
1538
1539    public void fetchBookmarks(final Account account) {
1540        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1541        final Element query = iqPacket.query("jabber:iq:private");
1542        query.addChild("storage", Namespace.BOOKMARKS);
1543        final OnIqPacketReceived callback = (a, response) -> {
1544            if (response.getType() == IqPacket.TYPE.RESULT) {
1545                final Element query1 = response.query();
1546                final Element storage = query1.findChild("storage", "storage:bookmarks");
1547                processBookmarks(a, storage, false);
1548            } else {
1549                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": could not fetch bookmarks");
1550            }
1551        };
1552        sendIqPacket(account, iqPacket, callback);
1553    }
1554
1555    public void processBookmarks(Account account, Element storage, final boolean pep) {
1556        final Set<Jid> previousBookmarks = account.getBookmarkedJids();
1557        final HashMap<Jid, Bookmark> bookmarks = new HashMap<>();
1558        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1559        if (storage != null) {
1560            for (final Element item : storage.getChildren()) {
1561                if (item.getName().equals("conference")) {
1562                    final Bookmark bookmark = Bookmark.parse(item, account);
1563                    Bookmark old = bookmarks.put(bookmark.getJid(), bookmark);
1564                    if (old != null && old.getBookmarkName() != null && bookmark.getBookmarkName() == null) {
1565                        bookmark.setBookmarkName(old.getBookmarkName());
1566                    }
1567                    if (bookmark.getJid() == null) {
1568                        continue;
1569                    }
1570                    previousBookmarks.remove(bookmark.getJid().asBareJid());
1571                    Conversation conversation = find(bookmark);
1572                    if (conversation != null) {
1573                        if (conversation.getMode() != Conversation.MODE_MULTI) {
1574                            continue;
1575                        }
1576                        bookmark.setConversation(conversation);
1577                        if (pep && synchronizeWithBookmarks && !bookmark.autojoin()) {
1578                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": archiving conference ("+conversation.getJid()+") after receiving pep");
1579                            archiveConversation(conversation, false);
1580                        }
1581                    } else if (synchronizeWithBookmarks && bookmark.autojoin()) {
1582                        conversation = findOrCreateConversation(account, bookmark.getFullJid(), true, true, false);
1583                        bookmark.setConversation(conversation);
1584                    }
1585                }
1586            }
1587            if (pep && synchronizeWithBookmarks) {
1588                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": " + previousBookmarks.size() + " bookmarks have been removed");
1589                for (Jid jid : previousBookmarks) {
1590                    final Conversation conversation = find(account, jid);
1591                    if (conversation != null && conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
1592                        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": archiving destroyed conference ("+conversation.getJid()+") after receiving pep");
1593                        archiveConversation(conversation, false);
1594                    }
1595                }
1596            }
1597        }
1598        account.setBookmarks(new CopyOnWriteArrayList<>(bookmarks.values()));
1599    }
1600
1601    public void pushBookmarks(Account account) {
1602        final XmppConnection connection = account.getXmppConnection();
1603        if (connection != null && connection.getFeatures().bookmarksConversion()) {
1604            pushBookmarksPep(account);
1605        } else {
1606            pushBookmarksPrivateXml(account);
1607        }
1608    }
1609
1610    private void pushBookmarksPrivateXml(Account account) {
1611        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via private xml");
1612        IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1613        Element query = iqPacket.query("jabber:iq:private");
1614        Element storage = query.addChild("storage", "storage:bookmarks");
1615        for (Bookmark bookmark : account.getBookmarks()) {
1616            storage.addChild(bookmark);
1617        }
1618        sendIqPacket(account, iqPacket, mDefaultIqHandler);
1619    }
1620
1621    private void pushBookmarksPep(Account account) {
1622        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via pep");
1623        Element storage = new Element("storage", "storage:bookmarks");
1624        for (Bookmark bookmark : account.getBookmarks()) {
1625            storage.addChild(bookmark);
1626        }
1627        pushNodeAndEnforcePublishOptions(account,Namespace.BOOKMARKS,storage, PublishOptions.persistentWhitelistAccess());
1628
1629    }
1630
1631
1632    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final Bundle options) {
1633        pushNodeAndEnforcePublishOptions(account, node, element, options, true);
1634
1635    }
1636
1637	private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final Bundle options, final boolean retry) {
1638        final IqPacket packet = mIqGenerator.publishElement(node, element, options);
1639        sendIqPacket(account, packet, (a, response) -> {
1640            if (response.getType() == IqPacket.TYPE.RESULT) {
1641                return;
1642            }
1643            if (retry && PublishOptions.preconditionNotMet(response)) {
1644                pushNodeConfiguration(account, node, options, new OnConfigurationPushed() {
1645                    @Override
1646                    public void onPushSucceeded() {
1647                        pushNodeAndEnforcePublishOptions(account, node, element, options, false);
1648                    }
1649
1650                    @Override
1651                    public void onPushFailed() {
1652                        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to push node configuration ("+node+")");
1653                    }
1654                });
1655            } else {
1656                Log.d(Config.LOGTAG,account.getJid().asBareJid()+": error publishing bookmarks (retry="+Boolean.toString(retry)+") "+response);
1657            }
1658        });
1659    }
1660
1661	private void restoreFromDatabase() {
1662		synchronized (this.conversations) {
1663			final Map<String, Account> accountLookupTable = new Hashtable<>();
1664			for (Account account : this.accounts) {
1665				accountLookupTable.put(account.getUuid(), account);
1666			}
1667			Log.d(Config.LOGTAG, "restoring conversations...");
1668			final long startTimeConversationsRestore = SystemClock.elapsedRealtime();
1669			this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1670			for (Iterator<Conversation> iterator = conversations.listIterator(); iterator.hasNext(); ) {
1671				Conversation conversation = iterator.next();
1672				Account account = accountLookupTable.get(conversation.getAccountUuid());
1673				if (account != null) {
1674					conversation.setAccount(account);
1675				} else {
1676					Log.e(Config.LOGTAG, "unable to restore Conversations with " + conversation.getJid());
1677					iterator.remove();
1678				}
1679			}
1680			long diffConversationsRestore = SystemClock.elapsedRealtime() - startTimeConversationsRestore;
1681			Log.d(Config.LOGTAG, "finished restoring conversations in " + diffConversationsRestore + "ms");
1682			Runnable runnable = () -> {
1683				long deletionDate = getAutomaticMessageDeletionDate();
1684				mLastExpiryRun.set(SystemClock.elapsedRealtime());
1685				if (deletionDate > 0) {
1686					Log.d(Config.LOGTAG, "deleting messages that are older than " + AbstractGenerator.getTimestamp(deletionDate));
1687					databaseBackend.expireOldMessages(deletionDate);
1688				}
1689				Log.d(Config.LOGTAG, "restoring roster...");
1690				for (Account account : accounts) {
1691					databaseBackend.readRoster(account.getRoster());
1692					account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1693				}
1694				getBitmapCache().evictAll();
1695				loadPhoneContacts();
1696				Log.d(Config.LOGTAG, "restoring messages...");
1697				final long startMessageRestore = SystemClock.elapsedRealtime();
1698				final Conversation quickLoad = QuickLoader.get(this.conversations);
1699				if (quickLoad != null) {
1700					restoreMessages(quickLoad);
1701					updateConversationUi();
1702					final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1703					Log.d(Config.LOGTAG,"quickly restored "+quickLoad.getName()+" after " + diffMessageRestore + "ms");
1704				}
1705				for (Conversation conversation : this.conversations) {
1706					if (quickLoad != conversation) {
1707						restoreMessages(conversation);
1708					}
1709				}
1710				mNotificationService.finishBacklog(false);
1711				restoredFromDatabaseLatch.countDown();
1712				final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1713				Log.d(Config.LOGTAG, "finished restoring messages in " + diffMessageRestore + "ms");
1714				updateConversationUi();
1715			};
1716			mDatabaseReaderExecutor.execute(runnable); //will contain one write command (expiry) but that's fine
1717		}
1718	}
1719
1720	private void restoreMessages(Conversation conversation) {
1721		conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1722		conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
1723		conversation.findUnreadMessages(message -> mNotificationService.pushFromBacklog(message));
1724	}
1725
1726	public void loadPhoneContacts() {
1727        mContactMergerExecutor.execute(() -> {
1728            Map<Jid, JabberIdContact> contacts = JabberIdContact.load(this);
1729            Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1730            for (Account account : accounts) {
1731                List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts(JabberIdContact.class);
1732                for (JabberIdContact jidContact : contacts.values()) {
1733                    final Contact contact = account.getRoster().getContact(jidContact.getJid());
1734                    boolean needsCacheClean = contact.setPhoneContact(jidContact);
1735                    if (needsCacheClean) {
1736                        getAvatarService().clear(contact);
1737                    }
1738                    withSystemAccounts.remove(contact);
1739                }
1740                for (Contact contact : withSystemAccounts) {
1741                    boolean needsCacheClean = contact.unsetPhoneContact(JabberIdContact.class);
1742                    if (needsCacheClean) {
1743                        getAvatarService().clear(contact);
1744                    }
1745                }
1746            }
1747            Log.d(Config.LOGTAG, "finished merging phone contacts");
1748            mShortcutService.refresh(mInitialAddressbookSyncCompleted.compareAndSet(false, true));
1749            updateRosterUi();
1750            mQuickConversationsService.considerSync();
1751        });
1752	}
1753
1754
1755	public void syncRoster(final Account account) {
1756		mRosterSyncTaskManager.execute(account, () -> databaseBackend.writeRoster(account.getRoster()));
1757	}
1758
1759	public List<Conversation> getConversations() {
1760		return this.conversations;
1761	}
1762
1763	private void markFileDeleted(final String path) {
1764        final File file = new File(path);
1765        final boolean isInternalFile = fileBackend.isInternalFile(file);
1766        final List<String> uuids = databaseBackend.markFileAsDeleted(file, isInternalFile);
1767        Log.d(Config.LOGTAG, "deleted file " + path+" internal="+isInternalFile+", database hits="+uuids.size());
1768        markUuidsAsDeletedFiles(uuids);
1769	}
1770
1771	private void markUuidsAsDeletedFiles(List<String> uuids) {
1772        boolean deleted = false;
1773        for (Conversation conversation : getConversations()) {
1774            deleted |= conversation.markAsDeleted(uuids);
1775        }
1776        if (deleted) {
1777            updateConversationUi();
1778        }
1779    }
1780
1781    private void markChangedFiles(List<DatabaseBackend.FilePathInfo> infos) {
1782        boolean changed = false;
1783        for (Conversation conversation : getConversations()) {
1784            changed |= conversation.markAsChanged(infos);
1785        }
1786        if (changed) {
1787            updateConversationUi();
1788        }
1789    }
1790
1791	public void populateWithOrderedConversations(final List<Conversation> list) {
1792		populateWithOrderedConversations(list, true, true);
1793	}
1794
1795	public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload) {
1796        populateWithOrderedConversations(list, includeNoFileUpload, true);
1797    }
1798
1799	public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload, final boolean sort) {
1800        final List<String> orderedUuids;
1801        if (sort) {
1802            orderedUuids = null;
1803        } else {
1804            orderedUuids = new ArrayList<>();
1805            for(Conversation conversation : list) {
1806                orderedUuids.add(conversation.getUuid());
1807            }
1808        }
1809		list.clear();
1810		if (includeNoFileUpload) {
1811			list.addAll(getConversations());
1812		} else {
1813			for (Conversation conversation : getConversations()) {
1814				if (conversation.getMode() == Conversation.MODE_SINGLE
1815						|| (conversation.getAccount().httpUploadAvailable() && conversation.getMucOptions().participating())) {
1816					list.add(conversation);
1817				}
1818			}
1819		}
1820		try {
1821		    if (orderedUuids != null) {
1822                Collections.sort(list, (a, b) -> {
1823                    final int indexA = orderedUuids.indexOf(a.getUuid());
1824                    final int indexB = orderedUuids.indexOf(b.getUuid());
1825                    if (indexA == -1 || indexB == -1 || indexA == indexB) {
1826                        return a.compareTo(b);
1827                    }
1828                    return indexA - indexB;
1829                });
1830            } else {
1831                Collections.sort(list);
1832            }
1833		} catch (IllegalArgumentException e) {
1834			//ignore
1835		}
1836	}
1837
1838	public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
1839		if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
1840			return;
1841		} else if (timestamp == 0) {
1842			return;
1843		}
1844		Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
1845		final Runnable runnable = () -> {
1846			final Account account = conversation.getAccount();
1847			List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
1848			if (messages.size() > 0) {
1849				conversation.addAll(0, messages);
1850				callback.onMoreMessagesLoaded(messages.size(), conversation);
1851			} else if (conversation.hasMessagesLeftOnServer()
1852					&& account.isOnlineAndConnected()
1853					&& conversation.getLastClearHistory().getTimestamp() == 0) {
1854				final boolean mamAvailable;
1855				if (conversation.getMode() == Conversation.MODE_SINGLE) {
1856					mamAvailable = account.getXmppConnection().getFeatures().mam() && !conversation.getContact().isBlocked();
1857				} else {
1858					mamAvailable = conversation.getMucOptions().mamSupport();
1859				}
1860				if (mamAvailable) {
1861					MessageArchiveService.Query query = getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
1862					if (query != null) {
1863						query.setCallback(callback);
1864						callback.informUser(R.string.fetching_history_from_server);
1865					} else {
1866						callback.informUser(R.string.not_fetching_history_retention_period);
1867					}
1868
1869				}
1870			}
1871		};
1872		mDatabaseReaderExecutor.execute(runnable);
1873	}
1874
1875	public List<Account> getAccounts() {
1876		return this.accounts;
1877	}
1878
1879
1880    /**
1881     * 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)
1882     */
1883	public List<Conversation> findAllConferencesWith(Contact contact) {
1884		ArrayList<Conversation> results = new ArrayList<>();
1885		for (final Conversation c : conversations) {
1886			if (c.getMode() == Conversation.MODE_MULTI && (c.getJid().asBareJid().equals(contact.getJid().asBareJid()) || c.getMucOptions().isContactInRoom(contact))) {
1887			    results.add(c);
1888			}
1889		}
1890		return results;
1891	}
1892
1893	public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
1894		for (final Conversation conversation : haystack) {
1895			if (conversation.getContact() == contact) {
1896				return conversation;
1897			}
1898		}
1899		return null;
1900	}
1901
1902	public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
1903		if (jid == null) {
1904			return null;
1905		}
1906		for (final Conversation conversation : haystack) {
1907			if ((account == null || conversation.getAccount() == account)
1908					&& (conversation.getJid().asBareJid().equals(jid.asBareJid()))) {
1909				return conversation;
1910			}
1911		}
1912		return null;
1913	}
1914
1915	public boolean isConversationsListEmpty(final Conversation ignore) {
1916		synchronized (this.conversations) {
1917			final int size = this.conversations.size();
1918			return size == 0 || size == 1 && this.conversations.get(0) == ignore;
1919		}
1920	}
1921
1922	public boolean isConversationStillOpen(final Conversation conversation) {
1923		synchronized (this.conversations) {
1924			for (Conversation current : this.conversations) {
1925				if (current == conversation) {
1926					return true;
1927				}
1928			}
1929		}
1930		return false;
1931	}
1932
1933	public Conversation findOrCreateConversation(Account account, Jid jid, boolean muc, final boolean async) {
1934		return this.findOrCreateConversation(account, jid, muc, false, async);
1935	}
1936
1937	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final boolean async) {
1938		return this.findOrCreateConversation(account, jid, muc, joinAfterCreate, null, async);
1939	}
1940
1941	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final MessageArchiveService.Query query, final boolean async) {
1942		synchronized (this.conversations) {
1943			Conversation conversation = find(account, jid);
1944			if (conversation != null) {
1945				return conversation;
1946			}
1947			conversation = databaseBackend.findConversation(account, jid);
1948			final boolean loadMessagesFromDb;
1949			if (conversation != null) {
1950				conversation.setStatus(Conversation.STATUS_AVAILABLE);
1951				conversation.setAccount(account);
1952				if (muc) {
1953					conversation.setMode(Conversation.MODE_MULTI);
1954					conversation.setContactJid(jid);
1955				} else {
1956					conversation.setMode(Conversation.MODE_SINGLE);
1957					conversation.setContactJid(jid.asBareJid());
1958				}
1959				databaseBackend.updateConversation(conversation);
1960				loadMessagesFromDb = conversation.messagesLoaded.compareAndSet(true, false);
1961			} else {
1962				String conversationName;
1963				Contact contact = account.getRoster().getContact(jid);
1964				if (contact != null) {
1965					conversationName = contact.getDisplayName();
1966				} else {
1967					conversationName = jid.getLocal();
1968				}
1969				if (muc) {
1970					conversation = new Conversation(conversationName, account, jid,
1971							Conversation.MODE_MULTI);
1972				} else {
1973					conversation = new Conversation(conversationName, account, jid.asBareJid(),
1974							Conversation.MODE_SINGLE);
1975				}
1976				this.databaseBackend.createConversation(conversation);
1977				loadMessagesFromDb = false;
1978			}
1979			final Conversation c = conversation;
1980			final Runnable runnable = () -> {
1981				if (loadMessagesFromDb) {
1982					c.addAll(0, databaseBackend.getMessages(c, Config.PAGE_SIZE));
1983					updateConversationUi();
1984					c.messagesLoaded.set(true);
1985				}
1986				if (account.getXmppConnection() != null
1987						&& !c.getContact().isBlocked()
1988						&& account.getXmppConnection().getFeatures().mam()
1989						&& !muc) {
1990					if (query == null) {
1991						mMessageArchiveService.query(c);
1992					} else {
1993						if (query.getConversation() == null) {
1994							mMessageArchiveService.query(c, query.getStart(), query.isCatchup());
1995						}
1996					}
1997				}
1998				if (joinAfterCreate) {
1999					joinMuc(c);
2000				}
2001			};
2002			if (async) {
2003				mDatabaseReaderExecutor.execute(runnable);
2004			} else {
2005				runnable.run();
2006			}
2007			this.conversations.add(conversation);
2008			updateConversationUi();
2009			return conversation;
2010		}
2011	}
2012
2013	public void archiveConversation(Conversation conversation) {
2014	    archiveConversation(conversation, true);
2015    }
2016
2017	private void archiveConversation(Conversation conversation, final boolean maySynchronizeWithBookmarks) {
2018		getNotificationService().clear(conversation);
2019		conversation.setStatus(Conversation.STATUS_ARCHIVED);
2020		conversation.setNextMessage(null);
2021		synchronized (this.conversations) {
2022			getMessageArchiveService().kill(conversation);
2023			if (conversation.getMode() == Conversation.MODE_MULTI) {
2024				if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2025					Bookmark bookmark = conversation.getBookmark();
2026					if (maySynchronizeWithBookmarks && bookmark != null && synchronizeWithBookmarks()) {
2027						if (conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
2028							Account account = bookmark.getAccount();
2029							bookmark.setConversation(null);
2030							account.getBookmarks().remove(bookmark);
2031							pushBookmarks(account);
2032						} else if (bookmark.autojoin()) {
2033							bookmark.setAutojoin(false);
2034							pushBookmarks(bookmark.getAccount());
2035						}
2036					}
2037				}
2038                if (conversation.getMucOptions().push()) {
2039                    disableDirectMucPush(conversation);
2040                    mPushManagementService.disablePushOnServer(conversation);
2041                }
2042				leaveMuc(conversation);
2043			} else {
2044				if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
2045				    stopPresenceUpdatesTo(conversation.getContact());
2046				}
2047			}
2048			updateConversation(conversation);
2049			this.conversations.remove(conversation);
2050			updateConversationUi();
2051		}
2052	}
2053
2054	public void stopPresenceUpdatesTo(Contact contact) {
2055        Log.d(Config.LOGTAG, "Canceling presence request from " + contact.getJid().toString());
2056        sendPresencePacket(contact.getAccount(), mPresenceGenerator.stopPresenceUpdatesTo(contact));
2057        contact.resetOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
2058    }
2059
2060	public void createAccount(final Account account) {
2061		account.initAccountServices(this);
2062		databaseBackend.createAccount(account);
2063		this.accounts.add(account);
2064		this.reconnectAccountInBackground(account);
2065		updateAccountUi();
2066		syncEnabledAccountSetting();
2067		toggleForegroundService();
2068	}
2069
2070	private void syncEnabledAccountSetting() {
2071	    final boolean hasEnabledAccounts = hasEnabledAccounts();
2072		getPreferences().edit().putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
2073		toggleSetProfilePictureActivity(hasEnabledAccounts);
2074	}
2075
2076	private void toggleSetProfilePictureActivity(final boolean enabled) {
2077	    try {
2078	        final ComponentName name = new ComponentName(this, ChooseAccountForProfilePictureActivity.class);
2079	        final int targetState =  enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
2080            getPackageManager().setComponentEnabledSetting(name, targetState, PackageManager.DONT_KILL_APP);
2081        } catch (IllegalStateException e) {
2082	        Log.d(Config.LOGTAG,"unable to toggle profile picture actvitiy");
2083        }
2084    }
2085
2086	public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
2087		new Thread(() -> {
2088			try {
2089				final X509Certificate[] chain = KeyChain.getCertificateChain(this, alias);
2090				final X509Certificate cert = chain != null && chain.length > 0 ? chain[0] : null;
2091				if (cert == null) {
2092					callback.informUser(R.string.unable_to_parse_certificate);
2093					return;
2094				}
2095				Pair<Jid, String> info = CryptoHelper.extractJidAndName(cert);
2096				if (info == null) {
2097					callback.informUser(R.string.certificate_does_not_contain_jid);
2098					return;
2099				}
2100				if (findAccountByJid(info.first) == null) {
2101					Account account = new Account(info.first, "");
2102					account.setPrivateKeyAlias(alias);
2103					account.setOption(Account.OPTION_DISABLED, true);
2104					account.setDisplayName(info.second);
2105					createAccount(account);
2106					callback.onAccountCreated(account);
2107					if (Config.X509_VERIFICATION) {
2108						try {
2109							getMemorizingTrustManager().getNonInteractive(account.getJid().getDomain()).checkClientTrusted(chain, "RSA");
2110						} catch (CertificateException e) {
2111							callback.informUser(R.string.certificate_chain_is_not_trusted);
2112						}
2113					}
2114				} else {
2115					callback.informUser(R.string.account_already_exists);
2116				}
2117			} catch (Exception e) {
2118				e.printStackTrace();
2119				callback.informUser(R.string.unable_to_parse_certificate);
2120			}
2121		}).start();
2122
2123	}
2124
2125	public void updateKeyInAccount(final Account account, final String alias) {
2126		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": update key in account " + alias);
2127		try {
2128			X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
2129			Log.d(Config.LOGTAG, account.getJid().asBareJid() + " loaded certificate chain");
2130			Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
2131			if (info == null) {
2132				showErrorToastInUi(R.string.certificate_does_not_contain_jid);
2133				return;
2134			}
2135			if (account.getJid().asBareJid().equals(info.first)) {
2136				account.setPrivateKeyAlias(alias);
2137				account.setDisplayName(info.second);
2138				databaseBackend.updateAccount(account);
2139				if (Config.X509_VERIFICATION) {
2140					try {
2141						getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
2142					} catch (CertificateException e) {
2143						showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
2144					}
2145					account.getAxolotlService().regenerateKeys(true);
2146				}
2147			} else {
2148				showErrorToastInUi(R.string.jid_does_not_match_certificate);
2149			}
2150		} catch (Exception e) {
2151			e.printStackTrace();
2152		}
2153	}
2154
2155	public boolean updateAccount(final Account account) {
2156		if (databaseBackend.updateAccount(account)) {
2157			account.setShowErrorNotification(true);
2158			this.statusListener.onStatusChanged(account);
2159			databaseBackend.updateAccount(account);
2160			reconnectAccountInBackground(account);
2161			updateAccountUi();
2162			getNotificationService().updateErrorNotification();
2163			toggleForegroundService();
2164			syncEnabledAccountSetting();
2165			return true;
2166		} else {
2167			return false;
2168		}
2169	}
2170
2171	public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
2172		final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
2173		sendIqPacket(account, iq, (a, packet) -> {
2174			if (packet.getType() == IqPacket.TYPE.RESULT) {
2175				a.setPassword(newPassword);
2176				a.setOption(Account.OPTION_MAGIC_CREATE, false);
2177				databaseBackend.updateAccount(a);
2178				callback.onPasswordChangeSucceeded();
2179			} else {
2180				callback.onPasswordChangeFailed();
2181			}
2182		});
2183	}
2184
2185	public void deleteAccount(final Account account) {
2186		synchronized (this.conversations) {
2187			for (final Conversation conversation : conversations) {
2188				if (conversation.getAccount() == account) {
2189					if (conversation.getMode() == Conversation.MODE_MULTI) {
2190						leaveMuc(conversation);
2191					}
2192					conversations.remove(conversation);
2193					mNotificationService.clear(conversation);
2194				}
2195			}
2196			if (account.getXmppConnection() != null) {
2197				new Thread(() -> disconnect(account, true)).start();
2198			}
2199			final Runnable runnable = () -> {
2200				if (!databaseBackend.deleteAccount(account)) {
2201					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to delete account");
2202				}
2203			};
2204			mDatabaseWriterExecutor.execute(runnable);
2205			this.accounts.remove(account);
2206			this.mRosterSyncTaskManager.clear(account);
2207			updateAccountUi();
2208			mNotificationService.updateErrorNotification();
2209			syncEnabledAccountSetting();
2210			toggleForegroundService();
2211		}
2212	}
2213
2214	public void setOnConversationListChangedListener(OnConversationUpdate listener) {
2215		final boolean remainingListeners;
2216		synchronized (LISTENER_LOCK) {
2217			remainingListeners = checkListeners();
2218			if (!this.mOnConversationUpdates.add(listener)) {
2219				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as ConversationListChangedListener");
2220			}
2221			this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2222		}
2223		if (remainingListeners) {
2224			switchToForeground();
2225		}
2226	}
2227
2228	public void removeOnConversationListChangedListener(OnConversationUpdate listener) {
2229		final boolean remainingListeners;
2230		synchronized (LISTENER_LOCK) {
2231			this.mOnConversationUpdates.remove(listener);
2232			this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2233			remainingListeners = checkListeners();
2234		}
2235		if (remainingListeners) {
2236			switchToBackground();
2237		}
2238	}
2239
2240	public void setOnShowErrorToastListener(OnShowErrorToast listener) {
2241		final boolean remainingListeners;
2242		synchronized (LISTENER_LOCK) {
2243			remainingListeners = checkListeners();
2244			if (!this.mOnShowErrorToasts.add(listener)) {
2245				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnShowErrorToastListener");
2246			}
2247		}
2248		if (remainingListeners) {
2249			switchToForeground();
2250		}
2251	}
2252
2253	public void removeOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
2254		final boolean remainingListeners;
2255		synchronized (LISTENER_LOCK) {
2256			this.mOnShowErrorToasts.remove(onShowErrorToast);
2257			remainingListeners = checkListeners();
2258		}
2259		if (remainingListeners) {
2260			switchToBackground();
2261		}
2262	}
2263
2264	public void setOnAccountListChangedListener(OnAccountUpdate listener) {
2265		final boolean remainingListeners;
2266		synchronized (LISTENER_LOCK) {
2267			remainingListeners = checkListeners();
2268			if (!this.mOnAccountUpdates.add(listener)) {
2269				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnAccountListChangedtListener");
2270			}
2271		}
2272		if (remainingListeners) {
2273			switchToForeground();
2274		}
2275	}
2276
2277	public void removeOnAccountListChangedListener(OnAccountUpdate listener) {
2278		final boolean remainingListeners;
2279		synchronized (LISTENER_LOCK) {
2280			this.mOnAccountUpdates.remove(listener);
2281			remainingListeners = checkListeners();
2282		}
2283		if (remainingListeners) {
2284			switchToBackground();
2285		}
2286	}
2287
2288	public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2289		final boolean remainingListeners;
2290		synchronized (LISTENER_LOCK) {
2291			remainingListeners = checkListeners();
2292			if (!this.mOnCaptchaRequested.add(listener)) {
2293				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnCaptchaRequestListener");
2294			}
2295		}
2296		if (remainingListeners) {
2297			switchToForeground();
2298		}
2299	}
2300
2301	public void removeOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2302		final boolean remainingListeners;
2303		synchronized (LISTENER_LOCK) {
2304			this.mOnCaptchaRequested.remove(listener);
2305			remainingListeners = checkListeners();
2306		}
2307		if (remainingListeners) {
2308			switchToBackground();
2309		}
2310	}
2311
2312	public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
2313		final boolean remainingListeners;
2314		synchronized (LISTENER_LOCK) {
2315			remainingListeners = checkListeners();
2316			if (!this.mOnRosterUpdates.add(listener)) {
2317				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnRosterUpdateListener");
2318			}
2319		}
2320		if (remainingListeners) {
2321			switchToForeground();
2322		}
2323	}
2324
2325	public void removeOnRosterUpdateListener(final OnRosterUpdate listener) {
2326		final boolean remainingListeners;
2327		synchronized (LISTENER_LOCK) {
2328			this.mOnRosterUpdates.remove(listener);
2329			remainingListeners = checkListeners();
2330		}
2331		if (remainingListeners) {
2332			switchToBackground();
2333		}
2334	}
2335
2336	public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2337		final boolean remainingListeners;
2338		synchronized (LISTENER_LOCK) {
2339			remainingListeners = checkListeners();
2340			if (!this.mOnUpdateBlocklist.add(listener)) {
2341				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnUpdateBlocklistListener");
2342			}
2343		}
2344		if (remainingListeners) {
2345			switchToForeground();
2346		}
2347	}
2348
2349	public void removeOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2350		final boolean remainingListeners;
2351		synchronized (LISTENER_LOCK) {
2352			this.mOnUpdateBlocklist.remove(listener);
2353			remainingListeners = checkListeners();
2354		}
2355		if (remainingListeners) {
2356			switchToBackground();
2357		}
2358	}
2359
2360	public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
2361		final boolean remainingListeners;
2362		synchronized (LISTENER_LOCK) {
2363			remainingListeners = checkListeners();
2364			if (!this.mOnKeyStatusUpdated.add(listener)) {
2365				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnKeyStatusUpdateListener");
2366			}
2367		}
2368		if (remainingListeners) {
2369			switchToForeground();
2370		}
2371	}
2372
2373	public void removeOnNewKeysAvailableListener(final OnKeyStatusUpdated listener) {
2374		final boolean remainingListeners;
2375		synchronized (LISTENER_LOCK) {
2376			this.mOnKeyStatusUpdated.remove(listener);
2377			remainingListeners = checkListeners();
2378		}
2379		if (remainingListeners) {
2380			switchToBackground();
2381		}
2382	}
2383
2384	public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
2385		final boolean remainingListeners;
2386		synchronized (LISTENER_LOCK) {
2387			remainingListeners = checkListeners();
2388			if (!this.mOnMucRosterUpdate.add(listener)) {
2389				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnMucRosterListener");
2390			}
2391		}
2392		if (remainingListeners) {
2393			switchToForeground();
2394		}
2395	}
2396
2397	public void removeOnMucRosterUpdateListener(final OnMucRosterUpdate listener) {
2398		final boolean remainingListeners;
2399		synchronized (LISTENER_LOCK) {
2400			this.mOnMucRosterUpdate.remove(listener);
2401			remainingListeners = checkListeners();
2402		}
2403		if (remainingListeners) {
2404			switchToBackground();
2405		}
2406	}
2407
2408	public boolean checkListeners() {
2409		return (this.mOnAccountUpdates.size() == 0
2410				&& this.mOnConversationUpdates.size() == 0
2411				&& this.mOnRosterUpdates.size() == 0
2412				&& this.mOnCaptchaRequested.size() == 0
2413				&& this.mOnMucRosterUpdate.size() == 0
2414				&& this.mOnUpdateBlocklist.size() == 0
2415				&& this.mOnShowErrorToasts.size() == 0
2416				&& this.mOnKeyStatusUpdated.size() == 0);
2417	}
2418
2419	private void switchToForeground() {
2420		final boolean broadcastLastActivity = broadcastLastActivity();
2421		for (Conversation conversation : getConversations()) {
2422			if (conversation.getMode() == Conversation.MODE_MULTI) {
2423				conversation.getMucOptions().resetChatState();
2424			} else {
2425				conversation.setIncomingChatState(Config.DEFAULT_CHATSTATE);
2426			}
2427		}
2428		for (Account account : getAccounts()) {
2429			if (account.getStatus() == Account.State.ONLINE) {
2430				account.deactivateGracePeriod();
2431				final XmppConnection connection = account.getXmppConnection();
2432				if (connection != null) {
2433					if (connection.getFeatures().csi()) {
2434						connection.sendActive();
2435					}
2436					if (broadcastLastActivity) {
2437						sendPresence(account, false); //send new presence but don't include idle because we are not
2438					}
2439				}
2440			}
2441		}
2442		Log.d(Config.LOGTAG, "app switched into foreground");
2443	}
2444
2445	private void switchToBackground() {
2446		final boolean broadcastLastActivity = broadcastLastActivity();
2447		if (broadcastLastActivity) {
2448			mLastActivity = System.currentTimeMillis();
2449			final SharedPreferences.Editor editor = getPreferences().edit();
2450			editor.putLong(SETTING_LAST_ACTIVITY_TS, mLastActivity);
2451			editor.apply();
2452		}
2453		for (Account account : getAccounts()) {
2454			if (account.getStatus() == Account.State.ONLINE) {
2455				XmppConnection connection = account.getXmppConnection();
2456				if (connection != null) {
2457					if (broadcastLastActivity) {
2458						sendPresence(account, true);
2459					}
2460					if (connection.getFeatures().csi()) {
2461						connection.sendInactive();
2462					}
2463				}
2464			}
2465		}
2466		this.mNotificationService.setIsInForeground(false);
2467		Log.d(Config.LOGTAG, "app switched into background");
2468	}
2469
2470	private void connectMultiModeConversations(Account account) {
2471		List<Conversation> conversations = getConversations();
2472		for (Conversation conversation : conversations) {
2473			if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
2474				joinMuc(conversation);
2475			}
2476		}
2477	}
2478
2479	public void mucSelfPingAndRejoin(final Conversation conversation) {
2480	    final Account account = conversation.getAccount();
2481	    synchronized (account.inProgressConferenceJoins) {
2482            if (account.inProgressConferenceJoins.contains(conversation)) {
2483                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because join is already under way");
2484                return;
2485            }
2486        }
2487        synchronized (account.inProgressConferencePings) {
2488	        if (!account.inProgressConferencePings.add(conversation)) {
2489	            Log.d(Config.LOGTAG, account.getJid().asBareJid()+": canceling muc self ping because ping is already under way");
2490	            return;
2491            }
2492        }
2493	    final Jid self = conversation.getMucOptions().getSelf().getFullJid();
2494	    final IqPacket ping = new IqPacket(IqPacket.TYPE.GET);
2495	    ping.setTo(self);
2496	    ping.addChild("ping", Namespace.PING);
2497	    sendIqPacket(conversation.getAccount(), ping, (a, response) -> {
2498	        if (response.getType() == IqPacket.TYPE.ERROR) {
2499	            Element error = response.findChild("error");
2500	            if (error == null || error.hasChild("service-unavailable") || error.hasChild("feature-not-implemented") || error.hasChild("item-not-found")) {
2501	                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": ping to "+self+" came back as ignorable error");
2502                } else {
2503	                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": ping to "+self+" failed. attempting rejoin");
2504	                joinMuc(conversation);
2505                }
2506            } else if (response.getType() == IqPacket.TYPE.RESULT) {
2507	            Log.d(Config.LOGTAG,a.getJid().asBareJid()+": ping to "+self+" came back fine");
2508            }
2509	        synchronized (account.inProgressConferencePings) {
2510	            account.inProgressConferencePings.remove(conversation);
2511            }
2512        });
2513    }
2514
2515	public void joinMuc(Conversation conversation) {
2516		joinMuc(conversation, null, false);
2517	}
2518
2519	public void joinMuc(Conversation conversation, boolean followedInvite) {
2520		joinMuc(conversation, null, followedInvite);
2521	}
2522
2523	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2524		joinMuc(conversation, onConferenceJoined, false);
2525	}
2526
2527	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined, final boolean followedInvite) {
2528		final Account account = conversation.getAccount();
2529		synchronized (account.pendingConferenceJoins) {
2530            account.pendingConferenceJoins.remove(conversation);
2531        }
2532        synchronized (account.pendingConferenceLeaves) {
2533            account.pendingConferenceLeaves.remove(conversation);
2534        }
2535		if (account.getStatus() == Account.State.ONLINE) {
2536		    synchronized (account.inProgressConferenceJoins) {
2537                account.inProgressConferenceJoins.add(conversation);
2538            }
2539            if (Config.MUC_LEAVE_BEFORE_JOIN) {
2540                sendPresencePacket(account, mPresenceGenerator.leave(conversation.getMucOptions()));
2541            }
2542            conversation.resetMucOptions();
2543			if (onConferenceJoined != null) {
2544				conversation.getMucOptions().flagNoAutoPushConfiguration();
2545			}
2546			conversation.setHasMessagesLeftOnServer(false);
2547			fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
2548
2549				private void join(Conversation conversation) {
2550					Account account = conversation.getAccount();
2551					final MucOptions mucOptions = conversation.getMucOptions();
2552
2553					if (mucOptions.nonanonymous() && !mucOptions.membersOnly() && !conversation.getBooleanAttribute("accept_non_anonymous", false)) {
2554					    synchronized (account.inProgressConferenceJoins) {
2555                            account.inProgressConferenceJoins.remove(conversation);
2556                        }
2557					    mucOptions.setError(MucOptions.Error.NON_ANONYMOUS);
2558					    updateConversationUi();
2559                        if (onConferenceJoined != null) {
2560                            onConferenceJoined.onConferenceJoined(conversation);
2561                        }
2562					    return;
2563                    }
2564
2565					final Jid joinJid = mucOptions.getSelf().getFullJid();
2566					Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": joining conversation " + joinJid.toString());
2567					PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous() || onConferenceJoined != null);
2568					packet.setTo(joinJid);
2569					Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
2570					if (conversation.getMucOptions().getPassword() != null) {
2571						x.addChild("password").setContent(mucOptions.getPassword());
2572					}
2573
2574					if (mucOptions.mamSupport()) {
2575						// Use MAM instead of the limited muc history to get history
2576						x.addChild("history").setAttribute("maxchars", "0");
2577					} else {
2578						// Fallback to muc history
2579						x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted().getTimestamp()));
2580					}
2581					sendPresencePacket(account, packet);
2582					if (onConferenceJoined != null) {
2583						onConferenceJoined.onConferenceJoined(conversation);
2584					}
2585					if (!joinJid.equals(conversation.getJid())) {
2586						conversation.setContactJid(joinJid);
2587						databaseBackend.updateConversation(conversation);
2588					}
2589
2590					if (mucOptions.mamSupport()) {
2591						getMessageArchiveService().catchupMUC(conversation);
2592					}
2593					if (mucOptions.isPrivateAndNonAnonymous()) {
2594						fetchConferenceMembers(conversation);
2595						if (followedInvite && conversation.getBookmark() == null) {
2596							saveConversationAsBookmark(conversation, null);
2597						}
2598					}
2599					if (mucOptions.push()) {
2600					    enableMucPush(conversation);
2601                    }
2602					synchronized (account.inProgressConferenceJoins) {
2603                        account.inProgressConferenceJoins.remove(conversation);
2604                        sendUnsentMessages(conversation);
2605                    }
2606				}
2607
2608				@Override
2609				public void onConferenceConfigurationFetched(Conversation conversation) {
2610				    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2611				        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": conversation ("+conversation.getJid()+") got archived before IQ result");
2612				        return;
2613                    }
2614					join(conversation);
2615				}
2616
2617				@Override
2618				public void onFetchFailed(final Conversation conversation, Element error) {
2619                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2620                        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": conversation ("+conversation.getJid()+") got archived before IQ result");
2621
2622                        return;
2623                    }
2624					if (error != null && "remote-server-not-found".equals(error.getName())) {
2625					    synchronized (account.inProgressConferenceJoins) {
2626                            account.inProgressConferenceJoins.remove(conversation);
2627                        }
2628						conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
2629						updateConversationUi();
2630					} else {
2631						join(conversation);
2632						fetchConferenceConfiguration(conversation);
2633					}
2634				}
2635			});
2636			updateConversationUi();
2637		} else {
2638		    synchronized (account.pendingConferenceJoins) {
2639                account.pendingConferenceJoins.add(conversation);
2640            }
2641			conversation.resetMucOptions();
2642			conversation.setHasMessagesLeftOnServer(false);
2643			updateConversationUi();
2644		}
2645	}
2646
2647	private void enableDirectMucPush(final Conversation conversation) {
2648        final Account account = conversation.getAccount();
2649        final Jid room = conversation.getJid().asBareJid();
2650        final IqPacket enable = mIqGenerator.enablePush(conversation.getAccount().getJid(), conversation.getUuid(), null);
2651        enable.setTo(room);
2652        sendIqPacket(account, enable, (a, response) -> {
2653            if (response.getType() == IqPacket.TYPE.RESULT) {
2654                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": enabled direct push for muc "+room);
2655            } else if (response.getType() == IqPacket.TYPE.ERROR) {
2656                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": unable to enable direct push for muc "+room+" "+response.getError());
2657            }
2658        });
2659    }
2660
2661	private void enableMucPush(final Conversation conversation) {
2662	    enableDirectMucPush(conversation);
2663        mPushManagementService.registerPushTokenOnServer(conversation);
2664    }
2665
2666    private void disableDirectMucPush(final Conversation conversation) {
2667        final Account account = conversation.getAccount();
2668        final Jid room = conversation.getJid().asBareJid();
2669        final IqPacket disable = mIqGenerator.disablePush(conversation.getAccount().getJid(), conversation.getUuid());
2670        disable.setTo(room);
2671        sendIqPacket(account, disable, (a, response) -> {
2672            if (response.getType() == IqPacket.TYPE.RESULT) {
2673                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": disabled direct push for muc "+room);
2674            } else if (response.getType() == IqPacket.TYPE.ERROR) {
2675                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": unable to disable direct push for muc "+room+" "+response.getError());
2676            }
2677        });
2678    }
2679
2680	private void fetchConferenceMembers(final Conversation conversation) {
2681		final Account account = conversation.getAccount();
2682		final AxolotlService axolotlService = account.getAxolotlService();
2683		final String[] affiliations = {"member", "admin", "owner"};
2684		OnIqPacketReceived callback = new OnIqPacketReceived() {
2685
2686			private int i = 0;
2687			private boolean success = true;
2688
2689			@Override
2690			public void onIqPacketReceived(Account account, IqPacket packet) {
2691				final boolean omemoEnabled = conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL;
2692				Element query = packet.query("http://jabber.org/protocol/muc#admin");
2693				if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2694					for (Element child : query.getChildren()) {
2695						if ("item".equals(child.getName())) {
2696							MucOptions.User user = AbstractParser.parseItem(conversation, child);
2697							if (!user.realJidMatchesAccount()) {
2698								boolean isNew = conversation.getMucOptions().updateUser(user);
2699								Contact contact = user.getContact();
2700								if (omemoEnabled
2701										&& isNew
2702										&& user.getRealJid() != null
2703										&& (contact == null || !contact.mutualPresenceSubscription())
2704										&& axolotlService.hasEmptyDeviceList(user.getRealJid())) {
2705									axolotlService.fetchDeviceIds(user.getRealJid());
2706								}
2707							}
2708						}
2709					}
2710				} else {
2711					success = false;
2712					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not request affiliation " + affiliations[i] + " in " + conversation.getJid().asBareJid());
2713				}
2714				++i;
2715				if (i >= affiliations.length) {
2716					List<Jid> members = conversation.getMucOptions().getMembers(true);
2717					if (success) {
2718						List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
2719						boolean changed = false;
2720						for (ListIterator<Jid> iterator = cryptoTargets.listIterator(); iterator.hasNext(); ) {
2721							Jid jid = iterator.next();
2722							if (!members.contains(jid) && !members.contains(Jid.ofDomain(jid.getDomain()))) {
2723								iterator.remove();
2724								Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
2725								changed = true;
2726							}
2727						}
2728						if (changed) {
2729							conversation.setAcceptedCryptoTargets(cryptoTargets);
2730							updateConversation(conversation);
2731						}
2732					}
2733					getAvatarService().clear(conversation);
2734					updateMucRosterUi();
2735					updateConversationUi();
2736				}
2737			}
2738		};
2739		for (String affiliation : affiliations) {
2740			sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
2741		}
2742		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching members for " + conversation.getName());
2743	}
2744
2745	public void providePasswordForMuc(Conversation conversation, String password) {
2746		if (conversation.getMode() == Conversation.MODE_MULTI) {
2747			conversation.getMucOptions().setPassword(password);
2748			if (conversation.getBookmark() != null) {
2749				if (synchronizeWithBookmarks()) {
2750					conversation.getBookmark().setAutojoin(true);
2751				}
2752				pushBookmarks(conversation.getAccount());
2753			}
2754			updateConversation(conversation);
2755			joinMuc(conversation);
2756		}
2757	}
2758
2759	private boolean hasEnabledAccounts() {
2760	    if (this.accounts == null) {
2761	        return false;
2762	    }
2763	    for (Account account : this.accounts) {
2764	        if (account.isEnabled()) {
2765	            return true;
2766	        }
2767	    }
2768	    return false;
2769	}
2770
2771
2772	public void getAttachments(final Conversation conversation, int limit, final OnMediaLoaded onMediaLoaded) {
2773        getAttachments(conversation.getAccount(), conversation.getJid().asBareJid(), limit, onMediaLoaded);
2774    }
2775
2776    public void getAttachments(final Account account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
2777        getAttachments(account.getUuid(),jid.asBareJid(),limit, onMediaLoaded);
2778    }
2779
2780
2781	public void getAttachments(final String account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
2782        new Thread(() -> onMediaLoaded.onMediaLoaded(fileBackend.convertToAttachments(databaseBackend.getRelativeFilePaths(account, jid, limit)))).start();
2783    }
2784
2785	public void persistSelfNick(MucOptions.User self) {
2786		final Conversation conversation = self.getConversation();
2787		final boolean tookProposedNickFromBookmark = conversation.getMucOptions().isTookProposedNickFromBookmark();
2788		Jid full = self.getFullJid();
2789		if (!full.equals(conversation.getJid())) {
2790			Log.d(Config.LOGTAG, "nick changed. updating");
2791			conversation.setContactJid(full);
2792			databaseBackend.updateConversation(conversation);
2793		}
2794
2795		final Bookmark bookmark = conversation.getBookmark();
2796		final String bookmarkedNick = bookmark == null ? null : bookmark.getNick();
2797        if (bookmark != null && (tookProposedNickFromBookmark || TextUtils.isEmpty(bookmarkedNick)) && !full.getResource().equals(bookmarkedNick)) {
2798            final Account account = conversation.getAccount();
2799            final String defaultNick = MucOptions.defaultNick(account);
2800            if (TextUtils.isEmpty(bookmarkedNick) && full.getResource().equals(defaultNick)) {
2801                Log.d(Config.LOGTAG,account.getJid().asBareJid()+": do not overwrite empty bookmark nick with default nick for "+conversation.getJid().asBareJid());
2802                return;
2803            }
2804            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": persist nick '" + full.getResource() + "' into bookmark for " + conversation.getJid().asBareJid());
2805            bookmark.setNick(full.getResource());
2806            pushBookmarks(bookmark.getAccount());
2807        }
2808	}
2809
2810	public boolean renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
2811		final MucOptions options = conversation.getMucOptions();
2812		final Jid joinJid = options.createJoinJid(nick);
2813		if (joinJid == null) {
2814			return false;
2815		}
2816		if (options.online()) {
2817			Account account = conversation.getAccount();
2818			options.setOnRenameListener(new OnRenameListener() {
2819
2820				@Override
2821				public void onSuccess() {
2822					callback.success(conversation);
2823				}
2824
2825				@Override
2826				public void onFailure() {
2827					callback.error(R.string.nick_in_use, conversation);
2828				}
2829			});
2830
2831            final PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, options.nonanonymous());
2832            packet.setTo(joinJid);
2833			sendPresencePacket(account, packet);
2834		} else {
2835			conversation.setContactJid(joinJid);
2836			databaseBackend.updateConversation(conversation);
2837			if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2838				Bookmark bookmark = conversation.getBookmark();
2839				if (bookmark != null) {
2840					bookmark.setNick(nick);
2841					pushBookmarks(bookmark.getAccount());
2842				}
2843				joinMuc(conversation);
2844			}
2845		}
2846		return true;
2847	}
2848
2849	public void leaveMuc(Conversation conversation) {
2850		leaveMuc(conversation, false);
2851	}
2852
2853	private void leaveMuc(Conversation conversation, boolean now) {
2854		final Account account = conversation.getAccount();
2855		synchronized (account.pendingConferenceJoins) {
2856            account.pendingConferenceJoins.remove(conversation);
2857        }
2858        synchronized (account.pendingConferenceLeaves) {
2859            account.pendingConferenceLeaves.remove(conversation);
2860        }
2861		if (account.getStatus() == Account.State.ONLINE || now) {
2862			sendPresencePacket(conversation.getAccount(), mPresenceGenerator.leave(conversation.getMucOptions()));
2863			conversation.getMucOptions().setOffline();
2864			Bookmark bookmark = conversation.getBookmark();
2865			if (bookmark != null) {
2866				bookmark.setConversation(null);
2867			}
2868			Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": leaving muc " + conversation.getJid());
2869		} else {
2870		    synchronized (account.pendingConferenceLeaves) {
2871                account.pendingConferenceLeaves.add(conversation);
2872            }
2873		}
2874	}
2875
2876	public String findConferenceServer(final Account account) {
2877		String server;
2878		if (account.getXmppConnection() != null) {
2879			server = account.getXmppConnection().getMucServer();
2880			if (server != null) {
2881				return server;
2882			}
2883		}
2884		for (Account other : getAccounts()) {
2885			if (other != account && other.getXmppConnection() != null) {
2886				server = other.getXmppConnection().getMucServer();
2887				if (server != null) {
2888					return server;
2889				}
2890			}
2891		}
2892		return null;
2893	}
2894
2895
2896	public void createPublicChannel(final Account account, final String name, final Jid address, final UiCallback<Conversation> callback) {
2897        joinMuc(findOrCreateConversation(account, address, true, false, true), conversation -> {
2898            final Bundle configuration = IqGenerator.defaultChannelConfiguration();
2899            if (!TextUtils.isEmpty(name)) {
2900                configuration.putString("muc#roomconfig_roomname", name);
2901            }
2902            pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
2903                @Override
2904                public void onPushSucceeded() {
2905                    saveConversationAsBookmark(conversation, name);
2906                    callback.success(conversation);
2907                }
2908
2909                @Override
2910                public void onPushFailed() {
2911                    if (conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
2912                        callback.error(R.string.unable_to_set_channel_configuration, conversation);
2913                    } else {
2914                        callback.error(R.string.joined_an_existing_channel, conversation);
2915                    }
2916                }
2917            });
2918        });
2919    }
2920
2921	public boolean createAdhocConference(final Account account,
2922	                                     final String name,
2923	                                     final Iterable<Jid> jids,
2924	                                     final UiCallback<Conversation> callback) {
2925		Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": creating adhoc conference with " + jids.toString());
2926		if (account.getStatus() == Account.State.ONLINE) {
2927			try {
2928				String server = findConferenceServer(account);
2929				if (server == null) {
2930					if (callback != null) {
2931						callback.error(R.string.no_conference_server_found, null);
2932					}
2933					return false;
2934				}
2935				final Jid jid = Jid.of(CryptoHelper.pronounceable(getRNG()), server, null);
2936				final Conversation conversation = findOrCreateConversation(account, jid, true, false, true);
2937				joinMuc(conversation, new OnConferenceJoined() {
2938					@Override
2939					public void onConferenceJoined(final Conversation conversation) {
2940						final Bundle configuration = IqGenerator.defaultGroupChatConfiguration();
2941						if (!TextUtils.isEmpty(name)) {
2942							configuration.putString("muc#roomconfig_roomname", name);
2943						}
2944						pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
2945							@Override
2946							public void onPushSucceeded() {
2947								for (Jid invite : jids) {
2948									invite(conversation, invite);
2949								}
2950								for(String resource : account.getSelfContact().getPresences().toResourceArray()) {
2951								    Jid other = account.getJid().withResource(resource);
2952								    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": sending direct invite to "+other);
2953								    directInvite(conversation, other);
2954                                }
2955								saveConversationAsBookmark(conversation, name);
2956								if (callback != null) {
2957									callback.success(conversation);
2958								}
2959							}
2960
2961							@Override
2962							public void onPushFailed() {
2963								archiveConversation(conversation);
2964								if (callback != null) {
2965									callback.error(R.string.conference_creation_failed, conversation);
2966								}
2967							}
2968						});
2969					}
2970				});
2971				return true;
2972			} catch (IllegalArgumentException e) {
2973				if (callback != null) {
2974					callback.error(R.string.conference_creation_failed, null);
2975				}
2976				return false;
2977			}
2978		} else {
2979			if (callback != null) {
2980				callback.error(R.string.not_connected_try_again, null);
2981			}
2982			return false;
2983		}
2984	}
2985
2986	public void fetchConferenceConfiguration(final Conversation conversation) {
2987		fetchConferenceConfiguration(conversation, null);
2988	}
2989
2990	public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
2991		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2992		request.setTo(conversation.getJid().asBareJid());
2993		request.query("http://jabber.org/protocol/disco#info");
2994		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2995			@Override
2996			public void onIqPacketReceived(Account account, IqPacket packet) {
2997				if (packet.getType() == IqPacket.TYPE.RESULT) {
2998                    final MucOptions mucOptions = conversation.getMucOptions();
2999                    final Bookmark bookmark = conversation.getBookmark();
3000                    final boolean sameBefore = StringUtils.equals(bookmark == null ? null : bookmark.getBookmarkName(), mucOptions.getName());
3001
3002                    if (mucOptions.updateConfiguration(new ServiceDiscoveryResult(packet))) {
3003                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": muc configuration changed for " + conversation.getJid().asBareJid());
3004                        updateConversation(conversation);
3005                    }
3006
3007                    if (bookmark != null && (sameBefore || bookmark.getBookmarkName() == null)) {
3008                        if (bookmark.setBookmarkName(StringUtils.nullOnEmpty(mucOptions.getName()))) {
3009                            pushBookmarks(account);
3010                        }
3011                    }
3012
3013
3014                    if (callback != null) {
3015                        callback.onConferenceConfigurationFetched(conversation);
3016                    }
3017
3018
3019                    updateConversationUi();
3020                } else if (packet.getType() == IqPacket.TYPE.TIMEOUT) {
3021                    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": received timeout waiting for conference configuration fetch");
3022				} else {
3023					if (callback != null) {
3024						callback.onFetchFailed(conversation, packet.getError());
3025					}
3026				}
3027			}
3028		});
3029	}
3030
3031	public void pushNodeConfiguration(Account account, final String node, final Bundle options, final OnConfigurationPushed callback) {
3032		pushNodeConfiguration(account, account.getJid().asBareJid(), node, options, callback);
3033	}
3034
3035	public void pushNodeConfiguration(Account account, final Jid jid, final String node, final Bundle options, final OnConfigurationPushed callback) {
3036        Log.d(Config.LOGTAG,"pushing node configuration");
3037		sendIqPacket(account, mIqGenerator.requestPubsubConfiguration(jid, node), new OnIqPacketReceived() {
3038			@Override
3039			public void onIqPacketReceived(Account account, IqPacket packet) {
3040				if (packet.getType() == IqPacket.TYPE.RESULT) {
3041					Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub#owner");
3042					Element configuration = pubsub == null ? null : pubsub.findChild("configure");
3043					Element x = configuration == null ? null : configuration.findChild("x", Namespace.DATA);
3044					if (x != null) {
3045						Data data = Data.parse(x);
3046						data.submit(options);
3047						sendIqPacket(account, mIqGenerator.publishPubsubConfiguration(jid, node, data), new OnIqPacketReceived() {
3048							@Override
3049							public void onIqPacketReceived(Account account, IqPacket packet) {
3050								if (packet.getType() == IqPacket.TYPE.RESULT && callback != null) {
3051									Log.d(Config.LOGTAG,account.getJid().asBareJid()+": successfully changed node configuration for node "+node);
3052									callback.onPushSucceeded();
3053								} else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3054									callback.onPushFailed();
3055								}
3056							}
3057						});
3058					} else if (callback != null) {
3059						callback.onPushFailed();
3060					}
3061				} else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3062					callback.onPushFailed();
3063				}
3064			}
3065		});
3066	}
3067
3068	public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConfigurationPushed callback) {
3069	    if (options.getString("muc#roomconfig_whois","moderators").equals("anyone")) {
3070	        conversation.setAttribute("accept_non_anonymous",true);
3071            updateConversation(conversation);
3072        }
3073		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3074		request.setTo(conversation.getJid().asBareJid());
3075		request.query("http://jabber.org/protocol/muc#owner");
3076		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3077			@Override
3078			public void onIqPacketReceived(Account account, IqPacket packet) {
3079				if (packet.getType() == IqPacket.TYPE.RESULT) {
3080					Data data = Data.parse(packet.query().findChild("x", Namespace.DATA));
3081					data.submit(options);
3082					IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3083					set.setTo(conversation.getJid().asBareJid());
3084					set.query("http://jabber.org/protocol/muc#owner").addChild(data);
3085					sendIqPacket(account, set, new OnIqPacketReceived() {
3086						@Override
3087						public void onIqPacketReceived(Account account, IqPacket packet) {
3088							if (callback != null) {
3089								if (packet.getType() == IqPacket.TYPE.RESULT) {
3090									callback.onPushSucceeded();
3091								} else {
3092									callback.onPushFailed();
3093								}
3094							}
3095						}
3096					});
3097				} else {
3098					if (callback != null) {
3099						callback.onPushFailed();
3100					}
3101				}
3102			}
3103		});
3104	}
3105
3106	public void pushSubjectToConference(final Conversation conference, final String subject) {
3107		MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, StringUtils.nullOnEmpty(subject));
3108		this.sendMessagePacket(conference.getAccount(), packet);
3109	}
3110
3111	public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
3112		final Jid jid = user.asBareJid();
3113		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
3114		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
3115			@Override
3116			public void onIqPacketReceived(Account account, IqPacket packet) {
3117				if (packet.getType() == IqPacket.TYPE.RESULT) {
3118					conference.getMucOptions().changeAffiliation(jid, affiliation);
3119					getAvatarService().clear(conference);
3120					callback.onAffiliationChangedSuccessful(jid);
3121				} else {
3122					callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
3123				}
3124			}
3125		});
3126	}
3127
3128	public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
3129		List<Jid> jids = new ArrayList<>();
3130		for (MucOptions.User user : conference.getMucOptions().getUsers()) {
3131			if (user.getAffiliation() == before && user.getRealJid() != null) {
3132				jids.add(user.getRealJid());
3133			}
3134		}
3135		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
3136		sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
3137	}
3138
3139	public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role) {
3140		IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
3141		Log.d(Config.LOGTAG, request.toString());
3142		sendIqPacket(conference.getAccount(), request, (account, packet) -> {
3143            if (packet.getType() != IqPacket.TYPE.RESULT) {
3144                Log.d(Config.LOGTAG,account.getJid().asBareJid()+" unable to change role of "+nick);
3145            }
3146        });
3147	}
3148
3149    public void destroyRoom(final Conversation conversation, final OnRoomDestroy callback) {
3150        IqPacket request = new IqPacket(IqPacket.TYPE.SET);
3151        request.setTo(conversation.getJid().asBareJid());
3152        request.query("http://jabber.org/protocol/muc#owner").addChild("destroy");
3153        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3154            @Override
3155            public void onIqPacketReceived(Account account, IqPacket packet) {
3156                if (packet.getType() == IqPacket.TYPE.RESULT) {
3157                    if (callback != null) {
3158                        callback.onRoomDestroySucceeded();
3159                    }
3160                } else if (packet.getType() == IqPacket.TYPE.ERROR) {
3161                    if (callback != null) {
3162                        callback.onRoomDestroyFailed();
3163                    }
3164                }
3165            }
3166        });
3167    }
3168
3169	private void disconnect(Account account, boolean force) {
3170		if ((account.getStatus() == Account.State.ONLINE)
3171				|| (account.getStatus() == Account.State.DISABLED)) {
3172			final XmppConnection connection = account.getXmppConnection();
3173			if (!force) {
3174				List<Conversation> conversations = getConversations();
3175				for (Conversation conversation : conversations) {
3176					if (conversation.getAccount() == account) {
3177						if (conversation.getMode() == Conversation.MODE_MULTI) {
3178							leaveMuc(conversation, true);
3179						}
3180					}
3181				}
3182				sendOfflinePresence(account);
3183			}
3184			connection.disconnect(force);
3185		}
3186	}
3187
3188	@Override
3189	public IBinder onBind(Intent intent) {
3190		return mBinder;
3191	}
3192
3193	public void updateMessage(Message message) {
3194		updateMessage(message, true);
3195	}
3196
3197	public void updateMessage(Message message, boolean includeBody) {
3198		databaseBackend.updateMessage(message, includeBody);
3199		updateConversationUi();
3200	}
3201
3202	public void updateMessage(Message message, String uuid) {
3203		if (!databaseBackend.updateMessage(message, uuid)) {
3204            Log.e(Config.LOGTAG,"error updated message in DB after edit");
3205        }
3206		updateConversationUi();
3207	}
3208
3209	protected void syncDirtyContacts(Account account) {
3210		for (Contact contact : account.getRoster().getContacts()) {
3211			if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
3212				pushContactToServer(contact);
3213			}
3214			if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
3215				deleteContactOnServer(contact);
3216			}
3217		}
3218	}
3219
3220	public void createContact(Contact contact, boolean autoGrant) {
3221		if (autoGrant) {
3222			contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
3223			contact.setOption(Contact.Options.ASKING);
3224		}
3225		pushContactToServer(contact);
3226	}
3227
3228	public void pushContactToServer(final Contact contact) {
3229		contact.resetOption(Contact.Options.DIRTY_DELETE);
3230		contact.setOption(Contact.Options.DIRTY_PUSH);
3231		final Account account = contact.getAccount();
3232		if (account.getStatus() == Account.State.ONLINE) {
3233			final boolean ask = contact.getOption(Contact.Options.ASKING);
3234			final boolean sendUpdates = contact
3235					.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
3236					&& contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
3237			final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3238			iq.query(Namespace.ROSTER).addChild(contact.asElement());
3239			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3240			if (sendUpdates) {
3241				sendPresencePacket(account, mPresenceGenerator.sendPresenceUpdatesTo(contact));
3242			}
3243			if (ask) {
3244				sendPresencePacket(account, mPresenceGenerator.requestPresenceUpdatesFrom(contact));
3245			}
3246		} else {
3247			syncRoster(contact.getAccount());
3248		}
3249	}
3250
3251	public void publishMucAvatar(final Conversation conversation, final Uri image, final OnAvatarPublication callback) {
3252		new Thread(() -> {
3253			final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3254			final int size = Config.AVATAR_SIZE;
3255			final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3256			if (avatar != null) {
3257				if (!getFileBackend().save(avatar)) {
3258					callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3259					return;
3260				}
3261				avatar.owner = conversation.getJid().asBareJid();
3262				publishMucAvatar(conversation, avatar, callback);
3263			} else {
3264				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3265			}
3266		}).start();
3267	}
3268
3269	public void publishAvatar(final Account account, final Uri image, final OnAvatarPublication callback) {
3270		new Thread(() -> {
3271			final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3272			final int size = Config.AVATAR_SIZE;
3273			final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3274			if (avatar != null) {
3275				if (!getFileBackend().save(avatar)) {
3276					Log.d(Config.LOGTAG,"unable to save vcard");
3277					callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3278					return;
3279				}
3280				publishAvatar(account, avatar, callback);
3281			} else {
3282				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3283			}
3284		}).start();
3285
3286	}
3287
3288	private void publishMucAvatar(Conversation conversation, Avatar avatar, OnAvatarPublication callback) {
3289		final IqPacket retrieve = mIqGenerator.retrieveVcardAvatar(avatar);
3290		sendIqPacket(conversation.getAccount(), retrieve, (account, response) -> {
3291			boolean itemNotFound = response.getType() == IqPacket.TYPE.ERROR && response.hasChild("error") && response.findChild("error").hasChild("item-not-found");
3292			if (response.getType() == IqPacket.TYPE.RESULT || itemNotFound) {
3293				Element vcard = response.findChild("vCard", "vcard-temp");
3294				if (vcard == null) {
3295					vcard = new Element("vCard", "vcard-temp");
3296				}
3297				Element photo = vcard.findChild("PHOTO");
3298				if (photo == null) {
3299					photo = vcard.addChild("PHOTO");
3300				}
3301				photo.clearChildren();
3302				photo.addChild("TYPE").setContent(avatar.type);
3303				photo.addChild("BINVAL").setContent(avatar.image);
3304				IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
3305				publication.setTo(conversation.getJid().asBareJid());
3306				publication.addChild(vcard);
3307				sendIqPacket(account, publication, (a1, publicationResponse) -> {
3308					if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
3309						callback.onAvatarPublicationSucceeded();
3310					} else {
3311						Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getError());
3312						callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3313					}
3314				});
3315			} else {
3316				Log.d(Config.LOGTAG, "failed to request vcard " + response.toString());
3317				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_no_server_support);
3318			}
3319		});
3320	}
3321
3322    public void publishAvatar(Account account, final Avatar avatar, final OnAvatarPublication callback) {
3323        final Bundle options;
3324        if (account.getXmppConnection().getFeatures().pepPublishOptions()) {
3325            options = PublishOptions.openAccess();
3326        } else {
3327            options = null;
3328        }
3329        publishAvatar(account, avatar, options, true, callback);
3330    }
3331
3332	public void publishAvatar(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3333        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": publishing avatar. options="+options);
3334		IqPacket packet = this.mIqGenerator.publishAvatar(avatar, options);
3335		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3336
3337			@Override
3338			public void onIqPacketReceived(Account account, IqPacket result) {
3339				if (result.getType() == IqPacket.TYPE.RESULT) {
3340                    publishAvatarMetadata(account, avatar, options,true, callback);
3341                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3342				    pushNodeConfiguration(account, "urn:xmpp:avatar:data", options, new OnConfigurationPushed() {
3343                        @Override
3344                        public void onPushSucceeded() {
3345                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": changed node configuration for avatar node");
3346                            publishAvatar(account, avatar, options, false, callback);
3347                        }
3348
3349                        @Override
3350                        public void onPushFailed() {
3351                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to change node configuration for avatar node");
3352                            publishAvatar(account, avatar, null, false, callback);
3353                        }
3354                    });
3355				} else {
3356					Element error = result.findChild("error");
3357					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server rejected avatar " + (avatar.size / 1024) + "KiB " + (error != null ? error.toString() : ""));
3358					if (callback != null) {
3359						callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3360					}
3361				}
3362			}
3363		});
3364	}
3365
3366	public void publishAvatarMetadata(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3367        final IqPacket packet = XmppConnectionService.this.mIqGenerator.publishAvatarMetadata(avatar, options);
3368        sendIqPacket(account, packet, new OnIqPacketReceived() {
3369            @Override
3370            public void onIqPacketReceived(Account account, IqPacket result) {
3371                if (result.getType() == IqPacket.TYPE.RESULT) {
3372                    if (account.setAvatar(avatar.getFilename())) {
3373                        getAvatarService().clear(account);
3374                        databaseBackend.updateAccount(account);
3375                        notifyAccountAvatarHasChanged(account);
3376                    }
3377                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": published avatar " + (avatar.size / 1024) + "KiB");
3378                    if (callback != null) {
3379                        callback.onAvatarPublicationSucceeded();
3380                    }
3381                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3382                    pushNodeConfiguration(account, "urn:xmpp:avatar:metadata", options, new OnConfigurationPushed() {
3383                        @Override
3384                        public void onPushSucceeded() {
3385                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": changed node configuration for avatar meta data node");
3386                            publishAvatarMetadata(account, avatar, options,false, callback);
3387                        }
3388
3389                        @Override
3390                        public void onPushFailed() {
3391                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to change node configuration for avatar meta data node");
3392                            publishAvatarMetadata(account, avatar,  null,false, callback);
3393                        }
3394                    });
3395                } else {
3396                    if (callback != null) {
3397                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3398                    }
3399                }
3400            }
3401        });
3402    }
3403
3404	public void republishAvatarIfNeeded(Account account) {
3405		if (account.getAxolotlService().isPepBroken()) {
3406			Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping republication of avatar because pep is broken");
3407			return;
3408		}
3409		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3410		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3411
3412			private Avatar parseAvatar(IqPacket packet) {
3413				Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3414				if (pubsub != null) {
3415					Element items = pubsub.findChild("items");
3416					if (items != null) {
3417						return Avatar.parseMetadata(items);
3418					}
3419				}
3420				return null;
3421			}
3422
3423			private boolean errorIsItemNotFound(IqPacket packet) {
3424				Element error = packet.findChild("error");
3425				return packet.getType() == IqPacket.TYPE.ERROR
3426						&& error != null
3427						&& error.hasChild("item-not-found");
3428			}
3429
3430			@Override
3431			public void onIqPacketReceived(Account account, IqPacket packet) {
3432				if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
3433					Avatar serverAvatar = parseAvatar(packet);
3434					if (serverAvatar == null && account.getAvatar() != null) {
3435						Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
3436						if (avatar != null) {
3437							Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar on server was null. republishing");
3438							publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
3439						} else {
3440							Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": error rereading avatar");
3441						}
3442					}
3443				}
3444			}
3445		});
3446	}
3447
3448	public void fetchAvatar(Account account, Avatar avatar) {
3449		fetchAvatar(account, avatar, null);
3450	}
3451
3452	public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3453		final String KEY = generateFetchKey(account, avatar);
3454		synchronized (this.mInProgressAvatarFetches) {
3455		    if (mInProgressAvatarFetches.add(KEY)) {
3456                switch (avatar.origin) {
3457                    case PEP:
3458                        this.mInProgressAvatarFetches.add(KEY);
3459                        fetchAvatarPep(account, avatar, callback);
3460                        break;
3461                    case VCARD:
3462                        this.mInProgressAvatarFetches.add(KEY);
3463                        fetchAvatarVcard(account, avatar, callback);
3464                        break;
3465                }
3466            } else if (avatar.origin == Avatar.Origin.PEP) {
3467		        mOmittedPepAvatarFetches.add(KEY);
3468            } else {
3469		        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": already fetching "+avatar.origin+" avatar for "+avatar.owner);
3470            }
3471		}
3472	}
3473
3474	private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3475		IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
3476		sendIqPacket(account, packet, (a, result) -> {
3477			synchronized (mInProgressAvatarFetches) {
3478				mInProgressAvatarFetches.remove(generateFetchKey(a, avatar));
3479			}
3480			final String ERROR = a.getJid().asBareJid() + ": fetching avatar for " + avatar.owner + " failed ";
3481			if (result.getType() == IqPacket.TYPE.RESULT) {
3482				avatar.image = mIqParser.avatarData(result);
3483				if (avatar.image != null) {
3484					if (getFileBackend().save(avatar)) {
3485						if (a.getJid().asBareJid().equals(avatar.owner)) {
3486							if (a.setAvatar(avatar.getFilename())) {
3487								databaseBackend.updateAccount(a);
3488							}
3489							getAvatarService().clear(a);
3490							updateConversationUi();
3491							updateAccountUi();
3492						} else {
3493							Contact contact = a.getRoster().getContact(avatar.owner);
3494							if (contact.setAvatar(avatar)) {
3495								syncRoster(account);
3496								getAvatarService().clear(contact);
3497								updateConversationUi();
3498								updateRosterUi();
3499							}
3500						}
3501						if (callback != null) {
3502							callback.success(avatar);
3503						}
3504						Log.d(Config.LOGTAG, a.getJid().asBareJid()
3505								+ ": successfully fetched pep avatar for " + avatar.owner);
3506						return;
3507					}
3508				} else {
3509
3510					Log.d(Config.LOGTAG, ERROR + "(parsing error)");
3511				}
3512			} else {
3513				Element error = result.findChild("error");
3514				if (error == null) {
3515					Log.d(Config.LOGTAG, ERROR + "(server error)");
3516				} else {
3517					Log.d(Config.LOGTAG, ERROR + error.toString());
3518				}
3519			}
3520			if (callback != null) {
3521				callback.error(0, null);
3522			}
3523
3524		});
3525	}
3526
3527	private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3528		IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
3529		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3530			@Override
3531			public void onIqPacketReceived(Account account, IqPacket packet) {
3532			    final boolean previouslyOmittedPepFetch;
3533				synchronized (mInProgressAvatarFetches) {
3534				    final String KEY = generateFetchKey(account, avatar);
3535					mInProgressAvatarFetches.remove(KEY);
3536					previouslyOmittedPepFetch = mOmittedPepAvatarFetches.remove(KEY);
3537				}
3538				if (packet.getType() == IqPacket.TYPE.RESULT) {
3539					Element vCard = packet.findChild("vCard", "vcard-temp");
3540					Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
3541					String image = photo != null ? photo.findChildContent("BINVAL") : null;
3542					if (image != null) {
3543						avatar.image = image;
3544						if (getFileBackend().save(avatar)) {
3545							Log.d(Config.LOGTAG, account.getJid().asBareJid()
3546									+ ": successfully fetched vCard avatar for " + avatar.owner+" omittedPep="+previouslyOmittedPepFetch);
3547							if (avatar.owner.isBareJid()) {
3548								if (account.getJid().asBareJid().equals(avatar.owner) && account.getAvatar() == null) {
3549									Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": had no avatar. replacing with vcard");
3550									account.setAvatar(avatar.getFilename());
3551									databaseBackend.updateAccount(account);
3552									getAvatarService().clear(account);
3553									updateAccountUi();
3554								} else {
3555									Contact contact = account.getRoster().getContact(avatar.owner);
3556									if (contact.setAvatar(avatar, previouslyOmittedPepFetch)) {
3557										syncRoster(account);
3558										getAvatarService().clear(contact);
3559										updateRosterUi();
3560									}
3561								}
3562								updateConversationUi();
3563							} else {
3564								Conversation conversation = find(account, avatar.owner.asBareJid());
3565								if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
3566									MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
3567									if (user != null) {
3568										if (user.setAvatar(avatar)) {
3569											getAvatarService().clear(user);
3570											updateConversationUi();
3571											updateMucRosterUi();
3572										}
3573										if (user.getRealJid() != null) {
3574										    Contact contact = account.getRoster().getContact(user.getRealJid());
3575										    if (contact.setAvatar(avatar)) {
3576                                                syncRoster(account);
3577                                                getAvatarService().clear(contact);
3578                                                updateRosterUi();
3579                                            }
3580                                        }
3581									}
3582								}
3583							}
3584						}
3585					}
3586				}
3587			}
3588		});
3589	}
3590
3591	public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
3592		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3593		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3594
3595			@Override
3596			public void onIqPacketReceived(Account account, IqPacket packet) {
3597				if (packet.getType() == IqPacket.TYPE.RESULT) {
3598					Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3599					if (pubsub != null) {
3600						Element items = pubsub.findChild("items");
3601						if (items != null) {
3602							Avatar avatar = Avatar.parseMetadata(items);
3603							if (avatar != null) {
3604								avatar.owner = account.getJid().asBareJid();
3605								if (fileBackend.isAvatarCached(avatar)) {
3606									if (account.setAvatar(avatar.getFilename())) {
3607										databaseBackend.updateAccount(account);
3608									}
3609									getAvatarService().clear(account);
3610									callback.success(avatar);
3611								} else {
3612									fetchAvatarPep(account, avatar, callback);
3613								}
3614								return;
3615							}
3616						}
3617					}
3618				}
3619				callback.error(0, null);
3620			}
3621		});
3622	}
3623
3624	public void notifyAccountAvatarHasChanged(final Account account) {
3625	    final XmppConnection connection = account.getXmppConnection();
3626	    if (connection != null && connection.getFeatures().bookmarksConversion()) {
3627            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": avatar changed. resending presence to online group chats");
3628            for(Conversation conversation : conversations) {
3629                if (conversation.getAccount() == account && conversation.getMode() == Conversational.MODE_MULTI) {
3630                    final MucOptions mucOptions = conversation.getMucOptions();
3631                    if (mucOptions.online()) {
3632                        PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous());
3633                        packet.setTo(mucOptions.getSelf().getFullJid());
3634                        connection.sendPresencePacket(packet);
3635                    }
3636                }
3637            }
3638        }
3639    }
3640
3641	public void deleteContactOnServer(Contact contact) {
3642		contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
3643		contact.resetOption(Contact.Options.DIRTY_PUSH);
3644		contact.setOption(Contact.Options.DIRTY_DELETE);
3645		Account account = contact.getAccount();
3646		if (account.getStatus() == Account.State.ONLINE) {
3647			IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3648			Element item = iq.query(Namespace.ROSTER).addChild("item");
3649			item.setAttribute("jid", contact.getJid().toString());
3650			item.setAttribute("subscription", "remove");
3651			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3652		}
3653	}
3654
3655	public void updateConversation(final Conversation conversation) {
3656		mDatabaseWriterExecutor.execute(() -> databaseBackend.updateConversation(conversation));
3657	}
3658
3659	private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
3660		synchronized (account) {
3661			XmppConnection connection = account.getXmppConnection();
3662			if (connection == null) {
3663				connection = createConnection(account);
3664				account.setXmppConnection(connection);
3665			}
3666			boolean hasInternet = hasInternetConnection();
3667			if (account.isEnabled() && hasInternet) {
3668				if (!force) {
3669					disconnect(account, false);
3670				}
3671				Thread thread = new Thread(connection);
3672				connection.setInteractive(interactive);
3673				connection.prepareNewConnection();
3674				connection.interrupt();
3675				thread.start();
3676				scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
3677			} else {
3678				disconnect(account, force || account.getTrueStatus().isError() || !hasInternet);
3679				account.getRoster().clearPresences();
3680				connection.resetEverything();
3681				final AxolotlService axolotlService = account.getAxolotlService();
3682				if (axolotlService != null) {
3683					axolotlService.resetBrokenness();
3684				}
3685				if (!hasInternet) {
3686					account.setStatus(Account.State.NO_INTERNET);
3687				}
3688			}
3689		}
3690	}
3691
3692	public void reconnectAccountInBackground(final Account account) {
3693		new Thread(() -> reconnectAccount(account, false, true)).start();
3694	}
3695
3696	public void invite(Conversation conversation, Jid contact) {
3697		Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": inviting " + contact + " to " + conversation.getJid().asBareJid());
3698		MessagePacket packet = mMessageGenerator.invite(conversation, contact);
3699		sendMessagePacket(conversation.getAccount(), packet);
3700	}
3701
3702	public void directInvite(Conversation conversation, Jid jid) {
3703		MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
3704		sendMessagePacket(conversation.getAccount(), packet);
3705	}
3706
3707	public void resetSendingToWaiting(Account account) {
3708		for (Conversation conversation : getConversations()) {
3709			if (conversation.getAccount() == account) {
3710				conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
3711			}
3712		}
3713	}
3714
3715	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
3716		return markMessage(account, recipient, uuid, status, null);
3717	}
3718
3719	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
3720		if (uuid == null) {
3721			return null;
3722		}
3723		for (Conversation conversation : getConversations()) {
3724			if (conversation.getJid().asBareJid().equals(recipient) && conversation.getAccount() == account) {
3725				final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
3726				if (message != null) {
3727					markMessage(message, status, errorMessage);
3728				}
3729				return message;
3730			}
3731		}
3732		return null;
3733	}
3734
3735	public boolean markMessage(Conversation conversation, String uuid, int status, String serverMessageId) {
3736		if (uuid == null) {
3737			return false;
3738		} else {
3739			Message message = conversation.findSentMessageWithUuid(uuid);
3740			if (message != null) {
3741				if (message.getServerMsgId() == null) {
3742					message.setServerMsgId(serverMessageId);
3743				}
3744				markMessage(message, status);
3745				return true;
3746			} else {
3747				return false;
3748			}
3749		}
3750	}
3751
3752	public void markMessage(Message message, int status) {
3753		markMessage(message, status, null);
3754	}
3755
3756
3757	public void markMessage(Message message, int status, String errorMessage) {
3758		final int c = message.getStatus();
3759		if (status == Message.STATUS_SEND_FAILED && (c == Message.STATUS_SEND_RECEIVED || c == Message.STATUS_SEND_DISPLAYED)) {
3760			return;
3761		}
3762		if (status == Message.STATUS_SEND_RECEIVED && c == Message.STATUS_SEND_DISPLAYED) {
3763			return;
3764		}
3765		message.setErrorMessage(errorMessage);
3766		message.setStatus(status);
3767		databaseBackend.updateMessage(message, false);
3768		updateConversationUi();
3769	}
3770
3771	private SharedPreferences getPreferences() {
3772		return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
3773	}
3774
3775	public long getAutomaticMessageDeletionDate() {
3776		final long timeout = getLongPreference(SettingsActivity.AUTOMATIC_MESSAGE_DELETION, R.integer.automatic_message_deletion);
3777		return timeout == 0 ? timeout : (System.currentTimeMillis() - (timeout * 1000));
3778	}
3779
3780	public long getLongPreference(String name, @IntegerRes int res) {
3781		long defaultValue = getResources().getInteger(res);
3782		try {
3783			return Long.parseLong(getPreferences().getString(name, String.valueOf(defaultValue)));
3784		} catch (NumberFormatException e) {
3785			return defaultValue;
3786		}
3787	}
3788
3789	public boolean getBooleanPreference(String name, @BoolRes int res) {
3790		return getPreferences().getBoolean(name, getResources().getBoolean(res));
3791	}
3792
3793	public boolean confirmMessages() {
3794		return getBooleanPreference("confirm_messages", R.bool.confirm_messages);
3795	}
3796
3797	public boolean allowMessageCorrection() {
3798		return getBooleanPreference("allow_message_correction", R.bool.allow_message_correction);
3799	}
3800
3801	public boolean sendChatStates() {
3802		return getBooleanPreference("chat_states", R.bool.chat_states);
3803	}
3804
3805	private boolean synchronizeWithBookmarks() {
3806		return getBooleanPreference("autojoin", R.bool.autojoin);
3807	}
3808
3809	public boolean indicateReceived() {
3810		return getBooleanPreference("indicate_received", R.bool.indicate_received);
3811	}
3812
3813	public boolean useTorToConnect() {
3814		return QuickConversationsService.isConversations() && getBooleanPreference("use_tor", R.bool.use_tor);
3815	}
3816
3817	public boolean showExtendedConnectionOptions() {
3818		return QuickConversationsService.isConversations() && getBooleanPreference("show_connection_options", R.bool.show_connection_options);
3819	}
3820
3821	public boolean broadcastLastActivity() {
3822		return getBooleanPreference(SettingsActivity.BROADCAST_LAST_ACTIVITY, R.bool.last_activity);
3823	}
3824
3825	public int unreadCount() {
3826		int count = 0;
3827		for (Conversation conversation : getConversations()) {
3828			count += conversation.unreadCount();
3829		}
3830		return count;
3831	}
3832
3833
3834	private <T> List<T> threadSafeList(Set<T> set) {
3835		synchronized (LISTENER_LOCK) {
3836			return set.size() == 0 ? Collections.emptyList() : new ArrayList<>(set);
3837		}
3838	}
3839
3840	public void showErrorToastInUi(int resId) {
3841		for (OnShowErrorToast listener : threadSafeList(this.mOnShowErrorToasts)) {
3842			listener.onShowErrorToast(resId);
3843		}
3844	}
3845
3846	public void updateConversationUi() {
3847		for (OnConversationUpdate listener : threadSafeList(this.mOnConversationUpdates)) {
3848			listener.onConversationUpdate();
3849		}
3850	}
3851
3852	public void updateAccountUi() {
3853		for (OnAccountUpdate listener : threadSafeList(this.mOnAccountUpdates)) {
3854			listener.onAccountUpdate();
3855		}
3856	}
3857
3858	public void updateRosterUi() {
3859		for (OnRosterUpdate listener : threadSafeList(this.mOnRosterUpdates)) {
3860			listener.onRosterUpdate();
3861		}
3862	}
3863
3864	public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
3865		if (mOnCaptchaRequested.size() > 0) {
3866			DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
3867			Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
3868					(int) (captcha.getHeight() * metrics.scaledDensity), false);
3869			for (OnCaptchaRequested listener : threadSafeList(this.mOnCaptchaRequested)) {
3870				listener.onCaptchaRequested(account, id, data, scaled);
3871			}
3872			return true;
3873		}
3874		return false;
3875	}
3876
3877	public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
3878		for (OnUpdateBlocklist listener : threadSafeList(this.mOnUpdateBlocklist)) {
3879			listener.OnUpdateBlocklist(status);
3880		}
3881	}
3882
3883	public void updateMucRosterUi() {
3884		for (OnMucRosterUpdate listener : threadSafeList(this.mOnMucRosterUpdate)) {
3885			listener.onMucRosterUpdate();
3886		}
3887	}
3888
3889	public void keyStatusUpdated(AxolotlService.FetchStatus report) {
3890		for (OnKeyStatusUpdated listener : threadSafeList(this.mOnKeyStatusUpdated)) {
3891			listener.onKeyStatusUpdated(report);
3892		}
3893	}
3894
3895	public Account findAccountByJid(final Jid accountJid) {
3896		for (Account account : this.accounts) {
3897			if (account.getJid().asBareJid().equals(accountJid.asBareJid())) {
3898				return account;
3899			}
3900		}
3901		return null;
3902	}
3903
3904	public Account findAccountByUuid(final String uuid) {
3905		for(Account account : this.accounts) {
3906			if (account.getUuid().equals(uuid)) {
3907				return account;
3908			}
3909		}
3910		return null;
3911	}
3912
3913	public Conversation findConversationByUuid(String uuid) {
3914		for (Conversation conversation : getConversations()) {
3915			if (conversation.getUuid().equals(uuid)) {
3916				return conversation;
3917			}
3918		}
3919		return null;
3920	}
3921
3922	public Conversation findUniqueConversationByJid(XmppUri xmppUri) {
3923		List<Conversation> findings = new ArrayList<>();
3924		for (Conversation c : getConversations()) {
3925			if (c.getAccount().isEnabled() && c.getJid().asBareJid().equals(xmppUri.getJid()) && ((c.getMode() == Conversational.MODE_MULTI) == xmppUri.isAction(XmppUri.ACTION_JOIN))) {
3926				findings.add(c);
3927			}
3928		}
3929		return findings.size() == 1 ? findings.get(0) : null;
3930	}
3931
3932	public boolean markRead(final Conversation conversation, boolean dismiss) {
3933		return markRead(conversation, null, dismiss).size() > 0;
3934	}
3935
3936	public void markRead(final Conversation conversation) {
3937		markRead(conversation, null, true);
3938	}
3939
3940	public List<Message> markRead(final Conversation conversation, String upToUuid, boolean dismiss) {
3941		if (dismiss) {
3942			mNotificationService.clear(conversation);
3943		}
3944		final List<Message> readMessages = conversation.markRead(upToUuid);
3945		if (readMessages.size() > 0) {
3946			Runnable runnable = () -> {
3947				for (Message message : readMessages) {
3948					databaseBackend.updateMessage(message, false);
3949				}
3950			};
3951			mDatabaseWriterExecutor.execute(runnable);
3952			updateUnreadCountBadge();
3953			return readMessages;
3954		} else {
3955			return readMessages;
3956		}
3957	}
3958
3959	public synchronized void updateUnreadCountBadge() {
3960		int count = unreadCount();
3961		if (unreadCount != count) {
3962			Log.d(Config.LOGTAG, "update unread count to " + count);
3963			if (count > 0) {
3964				ShortcutBadger.applyCount(getApplicationContext(), count);
3965			} else {
3966				ShortcutBadger.removeCount(getApplicationContext());
3967			}
3968			unreadCount = count;
3969		}
3970	}
3971
3972	public void sendReadMarker(final Conversation conversation, String upToUuid) {
3973		final boolean isPrivateAndNonAnonymousMuc = conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous();
3974		final List<Message> readMessages = this.markRead(conversation, upToUuid, true);
3975		if (readMessages.size() > 0) {
3976			updateConversationUi();
3977		}
3978		final Message markable = Conversation.getLatestMarkableMessage(readMessages, isPrivateAndNonAnonymousMuc);
3979		if (confirmMessages()
3980				&& markable != null
3981				&& (markable.trusted() || isPrivateAndNonAnonymousMuc)
3982				&& markable.getRemoteMsgId() != null) {
3983			Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
3984			Account account = conversation.getAccount();
3985			final Jid to = markable.getCounterpart();
3986			final boolean groupChat = conversation.getMode() == Conversation.MODE_MULTI;
3987			MessagePacket packet = mMessageGenerator.confirm(account, to, markable.getRemoteMsgId(), markable.getCounterpart(), groupChat);
3988			this.sendMessagePacket(conversation.getAccount(), packet);
3989		}
3990	}
3991
3992	public SecureRandom getRNG() {
3993		return this.mRandom;
3994	}
3995
3996	public MemorizingTrustManager getMemorizingTrustManager() {
3997		return this.mMemorizingTrustManager;
3998	}
3999
4000	public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
4001		this.mMemorizingTrustManager = trustManager;
4002	}
4003
4004	public void updateMemorizingTrustmanager() {
4005		final MemorizingTrustManager tm;
4006		final boolean dontTrustSystemCAs = getBooleanPreference("dont_trust_system_cas", R.bool.dont_trust_system_cas);
4007		if (dontTrustSystemCAs) {
4008			tm = new MemorizingTrustManager(getApplicationContext(), null);
4009		} else {
4010			tm = new MemorizingTrustManager(getApplicationContext());
4011		}
4012		setMemorizingTrustManager(tm);
4013	}
4014
4015	public LruCache<String, Bitmap> getBitmapCache() {
4016		return this.mBitmapCache;
4017	}
4018
4019	public Collection<String> getKnownHosts() {
4020		final Set<String> hosts = new HashSet<>();
4021		for (final Account account : getAccounts()) {
4022			hosts.add(account.getServer());
4023			for (final Contact contact : account.getRoster().getContacts()) {
4024				if (contact.showInRoster()) {
4025					final String server = contact.getServer();
4026					if (server != null) {
4027						hosts.add(server);
4028					}
4029				}
4030			}
4031		}
4032		if (Config.QUICKSY_DOMAIN != null) {
4033		    hosts.remove(Config.QUICKSY_DOMAIN); //we only want to show this when we type a e164 number
4034        }
4035		if (Config.DOMAIN_LOCK != null) {
4036			hosts.add(Config.DOMAIN_LOCK);
4037		}
4038		if (Config.MAGIC_CREATE_DOMAIN != null) {
4039			hosts.add(Config.MAGIC_CREATE_DOMAIN);
4040		}
4041		return hosts;
4042	}
4043
4044	public Collection<String> getKnownConferenceHosts() {
4045		final Set<String> mucServers = new HashSet<>();
4046		for (final Account account : accounts) {
4047			if (account.getXmppConnection() != null) {
4048				mucServers.addAll(account.getXmppConnection().getMucServers());
4049				for (Bookmark bookmark : account.getBookmarks()) {
4050					final Jid jid = bookmark.getJid();
4051					final String s = jid == null ? null : jid.getDomain();
4052					if (s != null) {
4053						mucServers.add(s);
4054					}
4055				}
4056			}
4057		}
4058		return mucServers;
4059	}
4060
4061	public void sendMessagePacket(Account account, MessagePacket packet) {
4062		XmppConnection connection = account.getXmppConnection();
4063		if (connection != null) {
4064			connection.sendMessagePacket(packet);
4065		}
4066	}
4067
4068	public void sendPresencePacket(Account account, PresencePacket packet) {
4069		XmppConnection connection = account.getXmppConnection();
4070		if (connection != null) {
4071			connection.sendPresencePacket(packet);
4072		}
4073	}
4074
4075	public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
4076		final XmppConnection connection = account.getXmppConnection();
4077		if (connection != null) {
4078			IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
4079			connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener, true);
4080		}
4081	}
4082
4083	public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
4084		final XmppConnection connection = account.getXmppConnection();
4085		if (connection != null) {
4086			connection.sendIqPacket(packet, callback);
4087		} else if (callback != null) {
4088		    callback.onIqPacketReceived(account,new IqPacket(IqPacket.TYPE.TIMEOUT));
4089        }
4090	}
4091
4092	public void sendPresence(final Account account) {
4093		sendPresence(account, checkListeners() && broadcastLastActivity());
4094	}
4095
4096	private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
4097		Presence.Status status;
4098		if (manuallyChangePresence()) {
4099			status = account.getPresenceStatus();
4100		} else {
4101			status = getTargetPresence();
4102		}
4103		final PresencePacket packet = mPresenceGenerator.selfPresence(account, status);
4104		if (mLastActivity > 0 && includeIdleTimestamp) {
4105			long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
4106			packet.addChild("idle", Namespace.IDLE).setAttribute("since", AbstractGenerator.getTimestamp(since));
4107		}
4108		sendPresencePacket(account, packet);
4109	}
4110
4111	private void deactivateGracePeriod() {
4112		for (Account account : getAccounts()) {
4113			account.deactivateGracePeriod();
4114		}
4115	}
4116
4117	public void refreshAllPresences() {
4118		boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
4119		for (Account account : getAccounts()) {
4120			if (account.isEnabled()) {
4121				sendPresence(account, includeIdleTimestamp);
4122			}
4123		}
4124	}
4125
4126	private void refreshAllFcmTokens() {
4127		for (Account account : getAccounts()) {
4128			if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
4129				mPushManagementService.registerPushTokenOnServer(account);
4130				//TODO renew mucs
4131			}
4132		}
4133	}
4134
4135	private void sendOfflinePresence(final Account account) {
4136		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending offline presence");
4137		sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
4138	}
4139
4140	public MessageGenerator getMessageGenerator() {
4141		return this.mMessageGenerator;
4142	}
4143
4144	public PresenceGenerator getPresenceGenerator() {
4145		return this.mPresenceGenerator;
4146	}
4147
4148	public IqGenerator getIqGenerator() {
4149		return this.mIqGenerator;
4150	}
4151
4152	public IqParser getIqParser() {
4153		return this.mIqParser;
4154	}
4155
4156	public JingleConnectionManager getJingleConnectionManager() {
4157		return this.mJingleConnectionManager;
4158	}
4159
4160	public MessageArchiveService getMessageArchiveService() {
4161		return this.mMessageArchiveService;
4162	}
4163
4164	public QuickConversationsService getQuickConversationsService() {
4165        return this.mQuickConversationsService;
4166    }
4167
4168	public List<Contact> findContacts(Jid jid, String accountJid) {
4169		ArrayList<Contact> contacts = new ArrayList<>();
4170		for (Account account : getAccounts()) {
4171			if ((account.isEnabled() || accountJid != null)
4172					&& (accountJid == null || accountJid.equals(account.getJid().asBareJid().toString()))) {
4173				Contact contact = account.getRoster().getContactFromContactList(jid);
4174				if (contact != null) {
4175					contacts.add(contact);
4176				}
4177			}
4178		}
4179		return contacts;
4180	}
4181
4182	public Conversation findFirstMuc(Jid jid) {
4183		for (Conversation conversation : getConversations()) {
4184			if (conversation.getAccount().isEnabled() && conversation.getJid().asBareJid().equals(jid.asBareJid()) && conversation.getMode() == Conversation.MODE_MULTI) {
4185				return conversation;
4186			}
4187		}
4188		return null;
4189	}
4190
4191	public NotificationService getNotificationService() {
4192		return this.mNotificationService;
4193	}
4194
4195	public HttpConnectionManager getHttpConnectionManager() {
4196		return this.mHttpConnectionManager;
4197	}
4198
4199	public void resendFailedMessages(final Message message) {
4200		final Collection<Message> messages = new ArrayList<>();
4201		Message current = message;
4202		while (current.getStatus() == Message.STATUS_SEND_FAILED) {
4203			messages.add(current);
4204			if (current.mergeable(current.next())) {
4205				current = current.next();
4206			} else {
4207				break;
4208			}
4209		}
4210		for (final Message msg : messages) {
4211			msg.setTime(System.currentTimeMillis());
4212			markMessage(msg, Message.STATUS_WAITING);
4213			this.resendMessage(msg, false);
4214		}
4215		if (message.getConversation() instanceof Conversation) {
4216			((Conversation) message.getConversation()).sort();
4217		}
4218		updateConversationUi();
4219	}
4220
4221	public void clearConversationHistory(final Conversation conversation) {
4222		final long clearDate;
4223		final String reference;
4224		if (conversation.countMessages() > 0) {
4225			Message latestMessage = conversation.getLatestMessage();
4226			clearDate = latestMessage.getTimeSent() + 1000;
4227			reference = latestMessage.getServerMsgId();
4228		} else {
4229			clearDate = System.currentTimeMillis();
4230			reference = null;
4231		}
4232		conversation.clearMessages();
4233		conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
4234		conversation.setLastClearHistory(clearDate, reference);
4235		Runnable runnable = () -> {
4236			databaseBackend.deleteMessagesInConversation(conversation);
4237			databaseBackend.updateConversation(conversation);
4238		};
4239		mDatabaseWriterExecutor.execute(runnable);
4240	}
4241
4242	public boolean sendBlockRequest(final Blockable blockable, boolean reportSpam) {
4243		if (blockable != null && blockable.getBlockedJid() != null) {
4244			final Jid jid = blockable.getBlockedJid();
4245			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), (a, response) -> {
4246                if (response.getType() == IqPacket.TYPE.RESULT) {
4247                    a.getBlocklist().add(jid);
4248                    updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
4249                }
4250            });
4251			if (blockable.getBlockedJid().isFullJid()) {
4252			    return false;
4253            } else if (removeBlockedConversations(blockable.getAccount(), jid)) {
4254				updateConversationUi();
4255				return true;
4256			} else {
4257				return false;
4258			}
4259		} else {
4260			return false;
4261		}
4262	}
4263
4264	public boolean removeBlockedConversations(final Account account, final Jid blockedJid) {
4265		boolean removed = false;
4266		synchronized (this.conversations) {
4267			boolean domainJid = blockedJid.getLocal() == null;
4268			for (Conversation conversation : this.conversations) {
4269				boolean jidMatches = (domainJid && blockedJid.getDomain().equals(conversation.getJid().getDomain()))
4270						|| blockedJid.equals(conversation.getJid().asBareJid());
4271				if (conversation.getAccount() == account
4272						&& conversation.getMode() == Conversation.MODE_SINGLE
4273						&& jidMatches) {
4274					this.conversations.remove(conversation);
4275					markRead(conversation);
4276					conversation.setStatus(Conversation.STATUS_ARCHIVED);
4277					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conversation " + conversation.getJid().asBareJid() + " because jid was blocked");
4278					updateConversation(conversation);
4279					removed = true;
4280				}
4281			}
4282		}
4283		return removed;
4284	}
4285
4286	public void sendUnblockRequest(final Blockable blockable) {
4287		if (blockable != null && blockable.getJid() != null) {
4288			final Jid jid = blockable.getBlockedJid();
4289			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
4290				@Override
4291				public void onIqPacketReceived(final Account account, final IqPacket packet) {
4292					if (packet.getType() == IqPacket.TYPE.RESULT) {
4293						account.getBlocklist().remove(jid);
4294						updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
4295					}
4296				}
4297			});
4298		}
4299	}
4300
4301	public void publishDisplayName(Account account) {
4302		String displayName = account.getDisplayName();
4303		final IqPacket request;
4304		if (TextUtils.isEmpty(displayName)) {
4305            request = mIqGenerator.deleteNode(Namespace.NICK);
4306		} else {
4307            request = mIqGenerator.publishNick(displayName);
4308        }
4309        mAvatarService.clear(account);
4310        sendIqPacket(account, request, (account1, packet) -> {
4311            if (packet.getType() == IqPacket.TYPE.ERROR) {
4312                Log.d(Config.LOGTAG, account1.getJid().asBareJid() + ": unable to modify nick name "+packet.toString());
4313            }
4314        });
4315	}
4316
4317	public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
4318		ServiceDiscoveryResult result = discoCache.get(key);
4319		if (result != null) {
4320			return result;
4321		} else {
4322			result = databaseBackend.findDiscoveryResult(key.first, key.second);
4323			if (result != null) {
4324				discoCache.put(key, result);
4325			}
4326			return result;
4327		}
4328	}
4329
4330	public void fetchCaps(Account account, final Jid jid, final Presence presence) {
4331		final Pair<String, String> key = new Pair<>(presence.getHash(), presence.getVer());
4332		ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
4333		if (disco != null) {
4334			presence.setServiceDiscoveryResult(disco);
4335		} else {
4336			if (!account.inProgressDiscoFetches.contains(key)) {
4337				account.inProgressDiscoFetches.add(key);
4338				IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4339				request.setTo(jid);
4340				final String node = presence.getNode();
4341				final String ver = presence.getVer();
4342				final Element query = request.query("http://jabber.org/protocol/disco#info");
4343				if (node != null && ver != null) {
4344					query.setAttribute("node",node+"#"+ver);
4345				}
4346				Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": making disco request for " + key.second + " to " + jid);
4347				sendIqPacket(account, request, (a, response) -> {
4348					if (response.getType() == IqPacket.TYPE.RESULT) {
4349						ServiceDiscoveryResult discoveryResult = new ServiceDiscoveryResult(response);
4350						if (presence.getVer().equals(discoveryResult.getVer())) {
4351							databaseBackend.insertDiscoveryResult(discoveryResult);
4352							injectServiceDiscoveryResult(a.getRoster(), presence.getHash(), presence.getVer(), discoveryResult);
4353						} else {
4354							Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + discoveryResult.getVer());
4355						}
4356					}
4357					a.inProgressDiscoFetches.remove(key);
4358				});
4359			}
4360		}
4361	}
4362
4363	private void injectServiceDiscoveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
4364		for (Contact contact : roster.getContacts()) {
4365			for (Presence presence : contact.getPresences().getPresences().values()) {
4366				if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
4367					presence.setServiceDiscoveryResult(disco);
4368				}
4369			}
4370		}
4371	}
4372
4373	public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
4374		final MessageArchiveService.Version version = MessageArchiveService.Version.get(account);
4375		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4376		request.addChild("prefs", version.namespace);
4377		sendIqPacket(account, request, (account1, packet) -> {
4378			Element prefs = packet.findChild("prefs", version.namespace);
4379			if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
4380				callback.onPreferencesFetched(prefs);
4381			} else {
4382				callback.onPreferencesFetchFailed();
4383			}
4384		});
4385	}
4386
4387	public PushManagementService getPushManagementService() {
4388		return mPushManagementService;
4389	}
4390
4391	public void changeStatus(Account account, PresenceTemplate template, String signature) {
4392		if (!template.getStatusMessage().isEmpty()) {
4393			databaseBackend.insertPresenceTemplate(template);
4394		}
4395		account.setPgpSignature(signature);
4396		account.setPresenceStatus(template.getStatus());
4397		account.setPresenceStatusMessage(template.getStatusMessage());
4398		databaseBackend.updateAccount(account);
4399		sendPresence(account);
4400	}
4401
4402	public List<PresenceTemplate> getPresenceTemplates(Account account) {
4403		List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
4404		for (PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
4405			if (!templates.contains(template)) {
4406				templates.add(0, template);
4407			}
4408		}
4409		return templates;
4410	}
4411
4412	public void saveConversationAsBookmark(Conversation conversation, String name) {
4413		final Account account = conversation.getAccount();
4414		final Bookmark bookmark = new Bookmark(account, conversation.getJid().asBareJid());
4415		final String nick = conversation.getJid().getResource();
4416        if (nick != null && !nick.isEmpty() && !nick.equals(MucOptions.defaultNick(account))) {
4417            bookmark.setNick(nick);
4418        }
4419		if (!TextUtils.isEmpty(name)) {
4420			bookmark.setBookmarkName(name);
4421		}
4422		bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
4423		account.getBookmarks().add(bookmark);
4424		pushBookmarks(account);
4425		bookmark.setConversation(conversation);
4426	}
4427
4428	public boolean verifyFingerprints(Contact contact, List<XmppUri.Fingerprint> fingerprints) {
4429		boolean performedVerification = false;
4430		final AxolotlService axolotlService = contact.getAccount().getAxolotlService();
4431		for (XmppUri.Fingerprint fp : fingerprints) {
4432			if (fp.type == XmppUri.FingerprintType.OMEMO) {
4433				String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4434				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4435				if (fingerprintStatus != null) {
4436					if (!fingerprintStatus.isVerified()) {
4437						performedVerification = true;
4438						axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4439					}
4440				} else {
4441					axolotlService.preVerifyFingerprint(contact, fingerprint);
4442				}
4443			}
4444		}
4445		return performedVerification;
4446	}
4447
4448	public boolean verifyFingerprints(Account account, List<XmppUri.Fingerprint> fingerprints) {
4449		final AxolotlService axolotlService = account.getAxolotlService();
4450		boolean verifiedSomething = false;
4451		for (XmppUri.Fingerprint fp : fingerprints) {
4452			if (fp.type == XmppUri.FingerprintType.OMEMO) {
4453				String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4454				Log.d(Config.LOGTAG, "trying to verify own fp=" + fingerprint);
4455				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4456				if (fingerprintStatus != null) {
4457					if (!fingerprintStatus.isVerified()) {
4458						axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4459						verifiedSomething = true;
4460					}
4461				} else {
4462					axolotlService.preVerifyFingerprint(account, fingerprint);
4463					verifiedSomething = true;
4464				}
4465			}
4466		}
4467		return verifiedSomething;
4468	}
4469
4470	public boolean blindTrustBeforeVerification() {
4471		return getBooleanPreference(SettingsActivity.BLIND_TRUST_BEFORE_VERIFICATION, R.bool.btbv);
4472	}
4473
4474	public ShortcutService getShortcutService() {
4475		return mShortcutService;
4476	}
4477
4478	public void pushMamPreferences(Account account, Element prefs) {
4479		IqPacket set = new IqPacket(IqPacket.TYPE.SET);
4480		set.addChild(prefs);
4481		sendIqPacket(account, set, null);
4482	}
4483
4484	public interface OnMamPreferencesFetched {
4485		void onPreferencesFetched(Element prefs);
4486
4487		void onPreferencesFetchFailed();
4488	}
4489
4490	public interface OnAccountCreated {
4491		void onAccountCreated(Account account);
4492
4493		void informUser(int r);
4494	}
4495
4496	public interface OnMoreMessagesLoaded {
4497		void onMoreMessagesLoaded(int count, Conversation conversation);
4498
4499		void informUser(int r);
4500	}
4501
4502	public interface OnAccountPasswordChanged {
4503		void onPasswordChangeSucceeded();
4504
4505		void onPasswordChangeFailed();
4506	}
4507
4508    public interface OnRoomDestroy {
4509        void onRoomDestroySucceeded();
4510
4511        void onRoomDestroyFailed();
4512    }
4513
4514	public interface OnAffiliationChanged {
4515		void onAffiliationChangedSuccessful(Jid jid);
4516
4517		void onAffiliationChangeFailed(Jid jid, int resId);
4518	}
4519
4520	public interface OnConversationUpdate {
4521		void onConversationUpdate();
4522	}
4523
4524	public interface OnAccountUpdate {
4525		void onAccountUpdate();
4526	}
4527
4528	public interface OnCaptchaRequested {
4529		void onCaptchaRequested(Account account, String id, Data data, Bitmap captcha);
4530	}
4531
4532	public interface OnRosterUpdate {
4533		void onRosterUpdate();
4534	}
4535
4536	public interface OnMucRosterUpdate {
4537		void onMucRosterUpdate();
4538	}
4539
4540	public interface OnConferenceConfigurationFetched {
4541		void onConferenceConfigurationFetched(Conversation conversation);
4542
4543		void onFetchFailed(Conversation conversation, Element error);
4544	}
4545
4546	public interface OnConferenceJoined {
4547		void onConferenceJoined(Conversation conversation);
4548	}
4549
4550	public interface OnConfigurationPushed {
4551		void onPushSucceeded();
4552
4553		void onPushFailed();
4554	}
4555
4556	public interface OnShowErrorToast {
4557		void onShowErrorToast(int resId);
4558	}
4559
4560	public class XmppConnectionBinder extends Binder {
4561		public XmppConnectionService getService() {
4562			return XmppConnectionService.this;
4563		}
4564	}
4565
4566	private class InternalEventReceiver extends BroadcastReceiver {
4567
4568        @Override
4569        public void onReceive(Context context, Intent intent) {
4570            onStartCommand(intent,0,0);
4571        }
4572    }
4573}