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.HashSet;
  61import java.util.Hashtable;
  62import java.util.Iterator;
  63import java.util.List;
  64import java.util.ListIterator;
  65import java.util.Map;
  66import java.util.Set;
  67import java.util.WeakHashMap;
  68import java.util.concurrent.CopyOnWriteArrayList;
  69import java.util.concurrent.CountDownLatch;
  70import java.util.concurrent.atomic.AtomicBoolean;
  71import java.util.concurrent.atomic.AtomicLong;
  72
  73import eu.siacs.conversations.Config;
  74import eu.siacs.conversations.R;
  75import eu.siacs.conversations.android.JabberIdContact;
  76import eu.siacs.conversations.crypto.OmemoSetting;
  77import eu.siacs.conversations.crypto.PgpDecryptionService;
  78import eu.siacs.conversations.crypto.PgpEngine;
  79import eu.siacs.conversations.crypto.axolotl.AxolotlService;
  80import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
  81import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
  82import eu.siacs.conversations.entities.Account;
  83import eu.siacs.conversations.entities.Blockable;
  84import eu.siacs.conversations.entities.Bookmark;
  85import eu.siacs.conversations.entities.Contact;
  86import eu.siacs.conversations.entities.Conversation;
  87import eu.siacs.conversations.entities.Conversational;
  88import eu.siacs.conversations.entities.Message;
  89import eu.siacs.conversations.entities.MucOptions;
  90import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
  91import eu.siacs.conversations.entities.Presence;
  92import eu.siacs.conversations.entities.PresenceTemplate;
  93import eu.siacs.conversations.entities.Roster;
  94import eu.siacs.conversations.entities.ServiceDiscoveryResult;
  95import eu.siacs.conversations.generator.AbstractGenerator;
  96import eu.siacs.conversations.generator.IqGenerator;
  97import eu.siacs.conversations.generator.MessageGenerator;
  98import eu.siacs.conversations.generator.PresenceGenerator;
  99import eu.siacs.conversations.http.CustomURLStreamHandlerFactory;
 100import eu.siacs.conversations.http.HttpConnectionManager;
 101import eu.siacs.conversations.parser.AbstractParser;
 102import eu.siacs.conversations.parser.IqParser;
 103import eu.siacs.conversations.parser.MessageParser;
 104import eu.siacs.conversations.parser.PresenceParser;
 105import eu.siacs.conversations.persistance.DatabaseBackend;
 106import eu.siacs.conversations.persistance.FileBackend;
 107import eu.siacs.conversations.ui.ChooseAccountForProfilePictureActivity;
 108import eu.siacs.conversations.ui.SettingsActivity;
 109import eu.siacs.conversations.ui.UiCallback;
 110import eu.siacs.conversations.ui.interfaces.OnAvatarPublication;
 111import eu.siacs.conversations.ui.interfaces.OnMediaLoaded;
 112import eu.siacs.conversations.ui.interfaces.OnSearchResultsAvailable;
 113import eu.siacs.conversations.utils.Compatibility;
 114import eu.siacs.conversations.utils.ConversationsFileObserver;
 115import eu.siacs.conversations.utils.CryptoHelper;
 116import eu.siacs.conversations.utils.ExceptionHelper;
 117import eu.siacs.conversations.utils.MimeUtils;
 118import eu.siacs.conversations.utils.PhoneHelper;
 119import eu.siacs.conversations.utils.QuickLoader;
 120import eu.siacs.conversations.utils.ReplacingSerialSingleThreadExecutor;
 121import eu.siacs.conversations.utils.ReplacingTaskManager;
 122import eu.siacs.conversations.utils.Resolver;
 123import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
 124import eu.siacs.conversations.utils.StringUtils;
 125import eu.siacs.conversations.utils.WakeLockHelper;
 126import eu.siacs.conversations.utils.XmppUri;
 127import eu.siacs.conversations.xml.Element;
 128import eu.siacs.conversations.xml.Namespace;
 129import eu.siacs.conversations.xmpp.OnBindListener;
 130import eu.siacs.conversations.xmpp.OnContactStatusChanged;
 131import eu.siacs.conversations.xmpp.OnIqPacketReceived;
 132import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
 133import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
 134import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 135import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
 136import eu.siacs.conversations.xmpp.OnStatusChanged;
 137import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
 138import eu.siacs.conversations.xmpp.Patches;
 139import eu.siacs.conversations.xmpp.XmppConnection;
 140import eu.siacs.conversations.xmpp.chatstate.ChatState;
 141import eu.siacs.conversations.xmpp.forms.Data;
 142import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 143import eu.siacs.conversations.xmpp.jingle.OnJinglePacketReceived;
 144import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
 145import eu.siacs.conversations.xmpp.mam.MamReference;
 146import eu.siacs.conversations.xmpp.pep.Avatar;
 147import eu.siacs.conversations.xmpp.pep.PublishOptions;
 148import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 149import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 150import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 151import me.leolin.shortcutbadger.ShortcutBadger;
 152import rocks.xmpp.addr.Jid;
 153
 154public class XmppConnectionService extends Service {
 155
 156    public static final String ACTION_REPLY_TO_CONVERSATION = "reply_to_conversations";
 157    public static final String ACTION_MARK_AS_READ = "mark_as_read";
 158    public static final String ACTION_SNOOZE = "snooze";
 159    public static final String ACTION_CLEAR_NOTIFICATION = "clear_notification";
 160    public static final String ACTION_DISMISS_ERROR_NOTIFICATIONS = "dismiss_error";
 161    public static final String ACTION_TRY_AGAIN = "try_again";
 162    public static final String ACTION_IDLE_PING = "idle_ping";
 163    public static final String ACTION_FCM_TOKEN_REFRESH = "fcm_token_refresh";
 164    public static final String ACTION_FCM_MESSAGE_RECEIVED = "fcm_message_received";
 165    private static final String ACTION_POST_CONNECTIVITY_CHANGE = "eu.siacs.conversations.POST_CONNECTIVITY_CHANGE";
 166
 167    private static final String SETTING_LAST_ACTIVITY_TS = "last_activity_timestamp";
 168
 169    static {
 170        URL.setURLStreamHandlerFactory(new CustomURLStreamHandlerFactory());
 171    }
 172
 173    public final CountDownLatch restoredFromDatabaseLatch = new CountDownLatch(1);
 174    private final SerialSingleThreadExecutor mFileAddingExecutor = new SerialSingleThreadExecutor("FileAdding");
 175    private final SerialSingleThreadExecutor mVideoCompressionExecutor = new SerialSingleThreadExecutor("VideoCompression");
 176    private final SerialSingleThreadExecutor mDatabaseWriterExecutor = new SerialSingleThreadExecutor("DatabaseWriter");
 177    private final SerialSingleThreadExecutor mDatabaseReaderExecutor = new SerialSingleThreadExecutor("DatabaseReader");
 178    private final SerialSingleThreadExecutor mNotificationExecutor = new SerialSingleThreadExecutor("NotificationExecutor");
 179    private final ReplacingTaskManager mRosterSyncTaskManager = new ReplacingTaskManager();
 180    private final IBinder mBinder = new XmppConnectionBinder();
 181    private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 182    private final IqGenerator mIqGenerator = new IqGenerator(this);
 183    private final Set<String> mInProgressAvatarFetches = new HashSet<>();
 184    private final Set<String> mOmittedPepAvatarFetches = new HashSet<>();
 185    private final HashSet<Jid> mLowPingTimeoutMode = new HashSet<>();
 186    private final OnIqPacketReceived mDefaultIqHandler = (account, packet) -> {
 187        if (packet.getType() != IqPacket.TYPE.RESULT) {
 188            Element error = packet.findChild("error");
 189            String text = error != null ? error.findChildContent("text") : null;
 190            if (text != null) {
 191                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received iq error - " + text);
 192            }
 193        }
 194    };
 195    public DatabaseBackend databaseBackend;
 196    private ReplacingSerialSingleThreadExecutor mContactMergerExecutor = new ReplacingSerialSingleThreadExecutor("ContactMerger");
 197    private long mLastActivity = 0;
 198    private FileBackend fileBackend = new FileBackend(this);
 199    private MemorizingTrustManager mMemorizingTrustManager;
 200    private NotificationService mNotificationService = new NotificationService(this);
 201    private ChannelDiscoveryService mChannelDiscoveryService = new ChannelDiscoveryService(this);
 202    private ShortcutService mShortcutService = new ShortcutService(this);
 203    private AtomicBoolean mInitialAddressbookSyncCompleted = new AtomicBoolean(false);
 204    private AtomicBoolean mForceForegroundService = new AtomicBoolean(false);
 205    private AtomicBoolean mForceDuringOnCreate = new AtomicBoolean(false);
 206    private OnMessagePacketReceived mMessageParser = new MessageParser(this);
 207    private OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 208    private IqParser mIqParser = new IqParser(this);
 209    private MessageGenerator mMessageGenerator = new MessageGenerator(this);
 210    public OnContactStatusChanged onContactStatusChanged = (contact, online) -> {
 211        Conversation conversation = find(getConversations(), contact);
 212        if (conversation != null) {
 213            if (online) {
 214                if (contact.getPresences().size() == 1) {
 215                    sendUnsentMessages(conversation);
 216                }
 217            }
 218        }
 219    };
 220    private PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 221    private List<Account> accounts;
 222    private JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(
 223            this);
 224    private final OnJinglePacketReceived jingleListener = new OnJinglePacketReceived() {
 225
 226        @Override
 227        public void onJinglePacketReceived(Account account, JinglePacket packet) {
 228            mJingleConnectionManager.deliverPacket(account, packet);
 229        }
 230    };
 231    private HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(this);
 232    private AvatarService mAvatarService = new AvatarService(this);
 233    private MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 234    private PushManagementService mPushManagementService = new PushManagementService(this);
 235    private QuickConversationsService mQuickConversationsService = new QuickConversationsService(this);
 236    private final ConversationsFileObserver fileObserver = new ConversationsFileObserver(
 237            Environment.getExternalStorageDirectory().getAbsolutePath()
 238    ) {
 239        @Override
 240        public void onEvent(int event, String path) {
 241            markFileDeleted(path);
 242        }
 243    };
 244    private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 245
 246        @Override
 247        public boolean onMessageAcknowledged(Account account, String uuid) {
 248            for (final Conversation conversation : getConversations()) {
 249                if (conversation.getAccount() == account) {
 250                    Message message = conversation.findUnsentMessageWithUuid(uuid);
 251                    if (message != null) {
 252                        message.setStatus(Message.STATUS_SEND);
 253                        message.setErrorMessage(null);
 254                        databaseBackend.updateMessage(message, false);
 255                        return true;
 256                    }
 257                }
 258            }
 259            return false;
 260        }
 261    };
 262
 263    private boolean destroyed = false;
 264
 265    private int unreadCount = -1;
 266
 267    //Ui callback listeners
 268    private final Set<OnConversationUpdate> mOnConversationUpdates = Collections.newSetFromMap(new WeakHashMap<OnConversationUpdate, Boolean>());
 269    private final Set<OnShowErrorToast> mOnShowErrorToasts = Collections.newSetFromMap(new WeakHashMap<OnShowErrorToast, Boolean>());
 270    private final Set<OnAccountUpdate> mOnAccountUpdates = Collections.newSetFromMap(new WeakHashMap<OnAccountUpdate, Boolean>());
 271    private final Set<OnCaptchaRequested> mOnCaptchaRequested = Collections.newSetFromMap(new WeakHashMap<OnCaptchaRequested, Boolean>());
 272    private final Set<OnRosterUpdate> mOnRosterUpdates = Collections.newSetFromMap(new WeakHashMap<OnRosterUpdate, Boolean>());
 273    private final Set<OnUpdateBlocklist> mOnUpdateBlocklist = Collections.newSetFromMap(new WeakHashMap<OnUpdateBlocklist, Boolean>());
 274    private final Set<OnMucRosterUpdate> mOnMucRosterUpdate = Collections.newSetFromMap(new WeakHashMap<OnMucRosterUpdate, Boolean>());
 275    private final Set<OnKeyStatusUpdated> mOnKeyStatusUpdated = Collections.newSetFromMap(new WeakHashMap<OnKeyStatusUpdated, Boolean>());
 276
 277    private final Object LISTENER_LOCK = new Object();
 278
 279
 280    private final OnBindListener mOnBindListener = new OnBindListener() {
 281
 282        @Override
 283        public void onBind(final Account account) {
 284            synchronized (mInProgressAvatarFetches) {
 285                for (Iterator<String> iterator = mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
 286                    final String KEY = iterator.next();
 287                    if (KEY.startsWith(account.getJid().asBareJid() + "_")) {
 288                        iterator.remove();
 289                    }
 290                }
 291            }
 292            boolean loggedInSuccessfully = account.setOption(Account.OPTION_LOGGED_IN_SUCCESSFULLY, true);
 293            boolean gainedFeature = account.setOption(Account.OPTION_HTTP_UPLOAD_AVAILABLE, account.getXmppConnection().getFeatures().httpUpload(0));
 294            if (loggedInSuccessfully || gainedFeature) {
 295                databaseBackend.updateAccount(account);
 296            }
 297
 298            if (loggedInSuccessfully) {
 299                if (!TextUtils.isEmpty(account.getDisplayName())) {
 300                    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": display name wasn't empty on first log in. publishing");
 301                    publishDisplayName(account);
 302                }
 303            }
 304
 305            account.getRoster().clearPresences();
 306            synchronized (account.inProgressConferenceJoins) {
 307                account.inProgressConferenceJoins.clear();
 308            }
 309            synchronized (account.inProgressConferencePings) {
 310                account.inProgressConferencePings.clear();
 311            }
 312            mJingleConnectionManager.cancelInTransmission();
 313            mQuickConversationsService.considerSyncBackground(false);
 314            fetchRosterFromServer(account);
 315
 316            final XmppConnection connection = account.getXmppConnection();
 317
 318            if (connection.getFeatures().bookmarks2()) {
 319                fetchBookmarks2(account);
 320            } else if (!account.getXmppConnection().getFeatures().bookmarksConversion()) {
 321                fetchBookmarks(account);
 322            }
 323            final boolean flexible = account.getXmppConnection().getFeatures().flexibleOfflineMessageRetrieval();
 324            final boolean catchup = getMessageArchiveService().inCatchup(account);
 325            if (flexible && catchup && account.getXmppConnection().isMamPreferenceAlways()) {
 326                sendIqPacket(account, mIqGenerator.purgeOfflineMessages(), (acc, packet) -> {
 327                    if (packet.getType() == IqPacket.TYPE.RESULT) {
 328                        Log.d(Config.LOGTAG, acc.getJid().asBareJid() + ": successfully purged offline messages");
 329                    }
 330                });
 331            }
 332            sendPresence(account);
 333            if (mPushManagementService.available(account)) {
 334                mPushManagementService.registerPushTokenOnServer(account);
 335            }
 336            connectMultiModeConversations(account);
 337            syncDirtyContacts(account);
 338        }
 339    };
 340    private AtomicLong mLastExpiryRun = new AtomicLong(0);
 341    private SecureRandom mRandom;
 342    private LruCache<Pair<String, String>, ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 343    private OnStatusChanged statusListener = new OnStatusChanged() {
 344
 345        @Override
 346        public void onStatusChanged(final Account account) {
 347            XmppConnection connection = account.getXmppConnection();
 348            updateAccountUi();
 349
 350            if (account.getStatus() == Account.State.ONLINE || account.getStatus().isError()) {
 351                mQuickConversationsService.signalAccountStateChange();
 352            }
 353
 354            if (account.getStatus() == Account.State.ONLINE) {
 355                synchronized (mLowPingTimeoutMode) {
 356                    if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 357                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 358                    }
 359                }
 360                if (account.setShowErrorNotification(true)) {
 361                    databaseBackend.updateAccount(account);
 362                }
 363                mMessageArchiveService.executePendingQueries(account);
 364                if (connection != null && connection.getFeatures().csi()) {
 365                    if (checkListeners()) {
 366                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//inactive");
 367                        connection.sendInactive();
 368                    } else {
 369                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//active");
 370                        connection.sendActive();
 371                    }
 372                }
 373                List<Conversation> conversations = getConversations();
 374                for (Conversation conversation : conversations) {
 375                    final boolean inProgressJoin;
 376                    synchronized (account.inProgressConferenceJoins) {
 377                        inProgressJoin = account.inProgressConferenceJoins.contains(conversation);
 378                    }
 379                    final boolean pendingJoin;
 380                    synchronized (account.pendingConferenceJoins) {
 381                        pendingJoin = account.pendingConferenceJoins.contains(conversation);
 382                    }
 383                    if (conversation.getAccount() == account
 384                            && !pendingJoin
 385                            && !inProgressJoin) {
 386                        sendUnsentMessages(conversation);
 387                    }
 388                }
 389                final List<Conversation> pendingLeaves;
 390                synchronized (account.pendingConferenceLeaves) {
 391                    pendingLeaves = new ArrayList<>(account.pendingConferenceLeaves);
 392                    account.pendingConferenceLeaves.clear();
 393
 394                }
 395                for (Conversation conversation : pendingLeaves) {
 396                    leaveMuc(conversation);
 397                }
 398                final List<Conversation> pendingJoins;
 399                synchronized (account.pendingConferenceJoins) {
 400                    pendingJoins = new ArrayList<>(account.pendingConferenceJoins);
 401                    account.pendingConferenceJoins.clear();
 402                }
 403                for (Conversation conversation : pendingJoins) {
 404                    joinMuc(conversation);
 405                }
 406                scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 407            } else if (account.getStatus() == Account.State.OFFLINE || account.getStatus() == Account.State.DISABLED) {
 408                resetSendingToWaiting(account);
 409                if (account.isEnabled() && isInLowPingTimeoutMode(account)) {
 410                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": went into offline state during low ping mode. reconnecting now");
 411                    reconnectAccount(account, true, false);
 412                } else {
 413                    int timeToReconnect = mRandom.nextInt(10) + 2;
 414                    scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 415                }
 416            } else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 417                databaseBackend.updateAccount(account);
 418                reconnectAccount(account, true, false);
 419            } else if (account.getStatus() != Account.State.CONNECTING && account.getStatus() != Account.State.NO_INTERNET) {
 420                resetSendingToWaiting(account);
 421                if (connection != null && account.getStatus().isAttemptReconnect()) {
 422                    final int next = connection.getTimeToNextAttempt();
 423                    final boolean lowPingTimeoutMode = isInLowPingTimeoutMode(account);
 424                    if (next <= 0) {
 425                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. reconnecting now. lowPingTimeout=" + lowPingTimeoutMode);
 426                        reconnectAccount(account, true, false);
 427                    } else {
 428                        final int attempt = connection.getAttempt() + 1;
 429                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. try again in " + next + "s for the " + attempt + " time. lowPingTimeout=" + lowPingTimeoutMode);
 430                        scheduleWakeUpCall(next, account.getUuid().hashCode());
 431                    }
 432                }
 433            }
 434            getNotificationService().updateErrorNotification();
 435        }
 436    };
 437    private OpenPgpServiceConnection pgpServiceConnection;
 438    private PgpEngine mPgpEngine = null;
 439    private WakeLock wakeLock;
 440    private PowerManager pm;
 441    private LruCache<String, Bitmap> mBitmapCache;
 442    private BroadcastReceiver mInternalEventReceiver = new InternalEventReceiver();
 443    private BroadcastReceiver mInternalScreenEventReceiver = new InternalEventReceiver();
 444
 445    private static String generateFetchKey(Account account, final Avatar avatar) {
 446        return account.getJid().asBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 447    }
 448
 449    private boolean isInLowPingTimeoutMode(Account account) {
 450        synchronized (mLowPingTimeoutMode) {
 451            return mLowPingTimeoutMode.contains(account.getJid().asBareJid());
 452        }
 453    }
 454
 455    public void startForcingForegroundNotification() {
 456        mForceForegroundService.set(true);
 457        toggleForegroundService();
 458    }
 459
 460    public void stopForcingForegroundNotification() {
 461        mForceForegroundService.set(false);
 462        toggleForegroundService();
 463    }
 464
 465    public boolean areMessagesInitialized() {
 466        return this.restoredFromDatabaseLatch.getCount() == 0;
 467    }
 468
 469    public PgpEngine getPgpEngine() {
 470        if (!Config.supportOpenPgp()) {
 471            return null;
 472        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 473            if (this.mPgpEngine == null) {
 474                this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 475                        getApplicationContext(),
 476                        pgpServiceConnection.getService()), this);
 477            }
 478            return mPgpEngine;
 479        } else {
 480            return null;
 481        }
 482
 483    }
 484
 485    public OpenPgpApi getOpenPgpApi() {
 486        if (!Config.supportOpenPgp()) {
 487            return null;
 488        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 489            return new OpenPgpApi(this, pgpServiceConnection.getService());
 490        } else {
 491            return null;
 492        }
 493    }
 494
 495    public FileBackend getFileBackend() {
 496        return this.fileBackend;
 497    }
 498
 499    public AvatarService getAvatarService() {
 500        return this.mAvatarService;
 501    }
 502
 503    public void attachLocationToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 504        int encryption = conversation.getNextEncryption();
 505        if (encryption == Message.ENCRYPTION_PGP) {
 506            encryption = Message.ENCRYPTION_DECRYPTED;
 507        }
 508        Message message = new Message(conversation, uri.toString(), encryption);
 509        Message.configurePrivateMessage(message);
 510        if (encryption == Message.ENCRYPTION_DECRYPTED) {
 511            getPgpEngine().encrypt(message, callback);
 512        } else {
 513            sendMessage(message);
 514            callback.success(message);
 515        }
 516    }
 517
 518    public void attachFileToConversation(final Conversation conversation, final Uri uri, final String type, final UiCallback<Message> callback) {
 519        final Message message;
 520        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 521            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 522        } else {
 523            message = new Message(conversation, "", conversation.getNextEncryption());
 524        }
 525        if (!Message.configurePrivateFileMessage(message)) {
 526            message.setCounterpart(conversation.getNextCounterpart());
 527            message.setType(Message.TYPE_FILE);
 528        }
 529        Log.d(Config.LOGTAG,"attachFile: type="+message.getType());
 530        Log.d(Config.LOGTAG,"counterpart="+message.getCounterpart());
 531        final AttachFileToConversationRunnable runnable = new AttachFileToConversationRunnable(this, uri, type, message, callback);
 532        if (runnable.isVideoMessage()) {
 533            mVideoCompressionExecutor.execute(runnable);
 534        } else {
 535            mFileAddingExecutor.execute(runnable);
 536        }
 537    }
 538
 539    public void attachImageToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 540        final String mimeType = MimeUtils.guessMimeTypeFromUri(this, uri);
 541        final String compressPictures = getCompressPicturesPreference();
 542
 543        if ("never".equals(compressPictures)
 544                || ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))
 545                || (mimeType != null && mimeType.endsWith("/gif"))
 546                || getFileBackend().unusualBounds(uri)) {
 547            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": not compressing picture. sending as file");
 548            attachFileToConversation(conversation, uri, mimeType, callback);
 549            return;
 550        }
 551        final Message message;
 552        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 553            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 554        } else {
 555            message = new Message(conversation, "", conversation.getNextEncryption());
 556        }
 557        if (!Message.configurePrivateFileMessage(message)) {
 558            message.setCounterpart(conversation.getNextCounterpart());
 559            message.setType(Message.TYPE_IMAGE);
 560        }
 561        Log.d(Config.LOGTAG,"attachImage: type="+message.getType());
 562        mFileAddingExecutor.execute(() -> {
 563            try {
 564                getFileBackend().copyImageToPrivateStorage(message, uri);
 565                if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 566                    final PgpEngine pgpEngine = getPgpEngine();
 567                    if (pgpEngine != null) {
 568                        pgpEngine.encrypt(message, callback);
 569                    } else if (callback != null) {
 570                        callback.error(R.string.unable_to_connect_to_keychain, null);
 571                    }
 572                } else {
 573                    sendMessage(message);
 574                    callback.success(message);
 575                }
 576            } catch (final FileBackend.FileCopyException e) {
 577                callback.error(e.getResId(), message);
 578            }
 579        });
 580    }
 581
 582    public Conversation find(Bookmark bookmark) {
 583        return find(bookmark.getAccount(), bookmark.getJid());
 584    }
 585
 586    public Conversation find(final Account account, final Jid jid) {
 587        return find(getConversations(), account, jid);
 588    }
 589
 590    public boolean isMuc(final Account account, final Jid jid) {
 591        final Conversation c = find(account, jid);
 592        return c != null && c.getMode() == Conversational.MODE_MULTI;
 593    }
 594
 595    public void search(List<String> term, OnSearchResultsAvailable onSearchResultsAvailable) {
 596        MessageSearchTask.search(this, term, onSearchResultsAvailable);
 597    }
 598
 599    @Override
 600    public int onStartCommand(Intent intent, int flags, int startId) {
 601        final String action = intent == null ? null : intent.getAction();
 602        final boolean needsForegroundService = intent != null && intent.getBooleanExtra(EventReceiver.EXTRA_NEEDS_FOREGROUND_SERVICE, false);
 603        if (needsForegroundService) {
 604            Log.d(Config.LOGTAG,"toggle forced foreground service after receiving event (action="+action+")");
 605            toggleForegroundService(true);
 606        }
 607        String pushedAccountHash = null;
 608        String pushedChannelHash = null;
 609        boolean interactive = false;
 610        if (action != null) {
 611            final String uuid = intent.getStringExtra("uuid");
 612            switch (action) {
 613                case ConnectivityManager.CONNECTIVITY_ACTION:
 614                    if (hasInternetConnection()) {
 615                        if (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0) {
 616                            schedulePostConnectivityChange();
 617                        }
 618                        if (Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 619                            resetAllAttemptCounts(true, false);
 620                        }
 621                    }
 622                    break;
 623                case Intent.ACTION_SHUTDOWN:
 624                    logoutAndSave(true);
 625                    return START_NOT_STICKY;
 626                case ACTION_CLEAR_NOTIFICATION:
 627                    mNotificationExecutor.execute(() -> {
 628                        try {
 629                            final Conversation c = findConversationByUuid(uuid);
 630                            if (c != null) {
 631                                mNotificationService.clear(c);
 632                            } else {
 633                                mNotificationService.clear();
 634                            }
 635                            restoredFromDatabaseLatch.await();
 636
 637                        } catch (InterruptedException e) {
 638                            Log.d(Config.LOGTAG, "unable to process clear notification");
 639                        }
 640                    });
 641                    break;
 642                case ACTION_DISMISS_ERROR_NOTIFICATIONS:
 643                    dismissErrorNotifications();
 644                    break;
 645                case ACTION_TRY_AGAIN:
 646                    resetAllAttemptCounts(false, true);
 647                    interactive = true;
 648                    break;
 649                case ACTION_REPLY_TO_CONVERSATION:
 650                    Bundle remoteInput = RemoteInput.getResultsFromIntent(intent);
 651                    if (remoteInput == null) {
 652                        break;
 653                    }
 654                    final CharSequence body = remoteInput.getCharSequence("text_reply");
 655                    final boolean dismissNotification = intent.getBooleanExtra("dismiss_notification", false);
 656                    if (body == null || body.length() <= 0) {
 657                        break;
 658                    }
 659                    mNotificationExecutor.execute(() -> {
 660                        try {
 661                            restoredFromDatabaseLatch.await();
 662                            final Conversation c = findConversationByUuid(uuid);
 663                            if (c != null) {
 664                                directReply(c, body.toString(), dismissNotification);
 665                            }
 666                        } catch (InterruptedException e) {
 667                            Log.d(Config.LOGTAG, "unable to process direct reply");
 668                        }
 669                    });
 670                    break;
 671                case ACTION_MARK_AS_READ:
 672                    mNotificationExecutor.execute(() -> {
 673                        final Conversation c = findConversationByUuid(uuid);
 674                        if (c == null) {
 675                            Log.d(Config.LOGTAG, "received mark read intent for unknown conversation (" + uuid + ")");
 676                            return;
 677                        }
 678                        try {
 679                            restoredFromDatabaseLatch.await();
 680                            sendReadMarker(c, null);
 681                        } catch (InterruptedException e) {
 682                            Log.d(Config.LOGTAG, "unable to process notification read marker for conversation " + c.getName());
 683                        }
 684
 685                    });
 686                    break;
 687                case ACTION_SNOOZE:
 688                    mNotificationExecutor.execute(() -> {
 689                        final Conversation c = findConversationByUuid(uuid);
 690                        if (c == null) {
 691                            Log.d(Config.LOGTAG, "received snooze intent for unknown conversation (" + uuid + ")");
 692                            return;
 693                        }
 694                        c.setMutedTill(System.currentTimeMillis() + 30 * 60 * 1000);
 695                        mNotificationService.clear(c);
 696                        updateConversation(c);
 697                    });
 698                case AudioManager.RINGER_MODE_CHANGED_ACTION:
 699                case NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED:
 700                    if (dndOnSilentMode()) {
 701                        refreshAllPresences();
 702                    }
 703                    break;
 704                case Intent.ACTION_SCREEN_ON:
 705                    deactivateGracePeriod();
 706                case Intent.ACTION_SCREEN_OFF:
 707                    if (awayWhenScreenOff()) {
 708                        refreshAllPresences();
 709                    }
 710                    break;
 711                case ACTION_FCM_TOKEN_REFRESH:
 712                    refreshAllFcmTokens();
 713                    break;
 714                case ACTION_IDLE_PING:
 715                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 716                        scheduleNextIdlePing();
 717                    }
 718                    break;
 719                case ACTION_FCM_MESSAGE_RECEIVED:
 720                    pushedAccountHash = intent.getStringExtra("account");
 721                    pushedChannelHash = intent.getStringExtra("channel");
 722                    Log.d(Config.LOGTAG, "push message arrived in service. account=" + pushedAccountHash);
 723                    break;
 724                case Intent.ACTION_SEND:
 725                    Uri uri = intent.getData();
 726                    if (uri != null) {
 727                        Log.d(Config.LOGTAG, "received uri permission for " + uri.toString());
 728                    }
 729                    return START_STICKY;
 730            }
 731        }
 732        synchronized (this) {
 733            WakeLockHelper.acquire(wakeLock);
 734            boolean pingNow = ConnectivityManager.CONNECTIVITY_ACTION.equals(action) || (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0 && ACTION_POST_CONNECTIVITY_CHANGE.equals(action));
 735            final HashSet<Account> pingCandidates = new HashSet<>();
 736            final String androidId = PhoneHelper.getAndroidId(this);
 737            for (Account account : accounts) {
 738                final boolean pushWasMeantForThisAccount = CryptoHelper.getAccountFingerprint(account, androidId).equals(pushedAccountHash);
 739                pingNow |= processAccountState(account,
 740                        interactive,
 741                        "ui".equals(action),
 742                        pushWasMeantForThisAccount,
 743                        pingCandidates);
 744                if (pushWasMeantForThisAccount && pushedChannelHash != null) {
 745                    checkMucStillJoined(account, pushedAccountHash, androidId);
 746                }
 747            }
 748            if (pingNow) {
 749                for (Account account : pingCandidates) {
 750                    final boolean lowTimeout = isInLowPingTimeoutMode(account);
 751                    account.getXmppConnection().sendPing();
 752                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + " send ping (action=" + action + ",lowTimeout=" + Boolean.toString(lowTimeout) + ")");
 753                    scheduleWakeUpCall(lowTimeout ? Config.LOW_PING_TIMEOUT : Config.PING_TIMEOUT, account.getUuid().hashCode());
 754                }
 755            }
 756            WakeLockHelper.release(wakeLock);
 757        }
 758        if (SystemClock.elapsedRealtime() - mLastExpiryRun.get() >= Config.EXPIRY_INTERVAL) {
 759            expireOldMessages();
 760        }
 761        return START_STICKY;
 762    }
 763
 764    private boolean processAccountState(Account account, boolean interactive, boolean isUiAction, boolean isAccountPushed, HashSet<Account> pingCandidates) {
 765        boolean pingNow = false;
 766        if (account.getStatus().isAttemptReconnect()) {
 767            if (!hasInternetConnection()) {
 768                account.setStatus(Account.State.NO_INTERNET);
 769                if (statusListener != null) {
 770                    statusListener.onStatusChanged(account);
 771                }
 772            } else {
 773                if (account.getStatus() == Account.State.NO_INTERNET) {
 774                    account.setStatus(Account.State.OFFLINE);
 775                    if (statusListener != null) {
 776                        statusListener.onStatusChanged(account);
 777                    }
 778                }
 779                if (account.getStatus() == Account.State.ONLINE) {
 780                    synchronized (mLowPingTimeoutMode) {
 781                        long lastReceived = account.getXmppConnection().getLastPacketReceived();
 782                        long lastSent = account.getXmppConnection().getLastPingSent();
 783                        long pingInterval = isUiAction ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 784                        long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 785                        int pingTimeout = mLowPingTimeoutMode.contains(account.getJid().asBareJid()) ? Config.LOW_PING_TIMEOUT * 1000 : Config.PING_TIMEOUT * 1000;
 786                        long pingTimeoutIn = (lastSent + pingTimeout) - SystemClock.elapsedRealtime();
 787                        if (lastSent > lastReceived) {
 788                            if (pingTimeoutIn < 0) {
 789                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ping timeout");
 790                                this.reconnectAccount(account, true, interactive);
 791                            } else {
 792                                int secs = (int) (pingTimeoutIn / 1000);
 793                                this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
 794                            }
 795                        } else {
 796                            pingCandidates.add(account);
 797                            if (isAccountPushed) {
 798                                pingNow = true;
 799                                if (mLowPingTimeoutMode.add(account.getJid().asBareJid())) {
 800                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": entering low ping timeout mode");
 801                                }
 802                            } else if (msToNextPing <= 0) {
 803                                pingNow = true;
 804                            } else {
 805                                this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 806                                if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 807                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 808                                }
 809                            }
 810                        }
 811                    }
 812                } else if (account.getStatus() == Account.State.OFFLINE) {
 813                    reconnectAccount(account, true, interactive);
 814                } else if (account.getStatus() == Account.State.CONNECTING) {
 815                    long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
 816                    long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
 817                    long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
 818                    long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
 819                    if (timeout < 0) {
 820                        Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting (secondsSinceLast=" + secondsSinceLastConnect + ")");
 821                        account.getXmppConnection().resetAttemptCount(false);
 822                        reconnectAccount(account, true, interactive);
 823                    } else if (discoTimeout < 0) {
 824                        account.getXmppConnection().sendDiscoTimeout();
 825                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 826                    } else {
 827                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 828                    }
 829                } else {
 830                    if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 831                        reconnectAccount(account, true, interactive);
 832                    }
 833                }
 834            }
 835        }
 836        return pingNow;
 837    }
 838
 839    private void checkMucStillJoined(final Account account, final String hash, final String androidId) {
 840        for(final Conversation conversation : this.conversations) {
 841            if (conversation.getAccount() == account && conversation.getMode() == Conversational.MODE_MULTI) {
 842                Jid jid = conversation.getJid().asBareJid();
 843                final String currentHash = CryptoHelper.getFingerprint(jid, androidId);
 844                if (currentHash.equals(hash)) {
 845                    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": received cloud push notification for MUC "+jid);
 846                    return;
 847                }
 848            }
 849        }
 850        mPushManagementService.unregisterChannel(account, hash);
 851    }
 852
 853    public void reinitializeMuclumbusService() {
 854        mChannelDiscoveryService.initializeMuclumbusService();
 855    }
 856
 857    public void discoverChannels(String query, ChannelDiscoveryService.OnChannelSearchResultsFound onChannelSearchResultsFound) {
 858        mChannelDiscoveryService.discover(query, onChannelSearchResultsFound);
 859    }
 860
 861    public boolean isDataSaverDisabled() {
 862        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 863            ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
 864            return !connectivityManager.isActiveNetworkMetered()
 865                    || connectivityManager.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
 866        } else {
 867            return true;
 868        }
 869    }
 870
 871    private void directReply(Conversation conversation, String body, final boolean dismissAfterReply) {
 872        Message message = new Message(conversation, body, conversation.getNextEncryption());
 873        message.markUnread();
 874        if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 875            getPgpEngine().encrypt(message, new UiCallback<Message>() {
 876                @Override
 877                public void success(Message message) {
 878                    if (dismissAfterReply) {
 879                        markRead((Conversation) message.getConversation(), true);
 880                    } else {
 881                        mNotificationService.pushFromDirectReply(message);
 882                    }
 883                }
 884
 885                @Override
 886                public void error(int errorCode, Message object) {
 887
 888                }
 889
 890                @Override
 891                public void userInputRequired(PendingIntent pi, Message object) {
 892
 893                }
 894            });
 895        } else {
 896            sendMessage(message);
 897            if (dismissAfterReply) {
 898                markRead(conversation, true);
 899            } else {
 900                mNotificationService.pushFromDirectReply(message);
 901            }
 902        }
 903    }
 904
 905    private boolean dndOnSilentMode() {
 906        return getBooleanPreference(SettingsActivity.DND_ON_SILENT_MODE, R.bool.dnd_on_silent_mode);
 907    }
 908
 909    private boolean manuallyChangePresence() {
 910        return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
 911    }
 912
 913    private boolean treatVibrateAsSilent() {
 914        return getBooleanPreference(SettingsActivity.TREAT_VIBRATE_AS_SILENT, R.bool.treat_vibrate_as_silent);
 915    }
 916
 917    private boolean awayWhenScreenOff() {
 918        return getBooleanPreference(SettingsActivity.AWAY_WHEN_SCREEN_IS_OFF, R.bool.away_when_screen_off);
 919    }
 920
 921    private String getCompressPicturesPreference() {
 922        return getPreferences().getString("picture_compression", getResources().getString(R.string.picture_compression));
 923    }
 924
 925    private Presence.Status getTargetPresence() {
 926        if (dndOnSilentMode() && isPhoneSilenced()) {
 927            return Presence.Status.DND;
 928        } else if (awayWhenScreenOff() && !isInteractive()) {
 929            return Presence.Status.AWAY;
 930        } else {
 931            return Presence.Status.ONLINE;
 932        }
 933    }
 934
 935    @SuppressLint("NewApi")
 936    @SuppressWarnings("deprecation")
 937    public boolean isInteractive() {
 938        try {
 939            final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 940
 941            final boolean isScreenOn;
 942            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
 943                isScreenOn = pm.isScreenOn();
 944            } else {
 945                isScreenOn = pm.isInteractive();
 946            }
 947            return isScreenOn;
 948        } catch (RuntimeException e) {
 949            return false;
 950        }
 951    }
 952
 953    private boolean isPhoneSilenced() {
 954        final boolean notificationDnd;
 955        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 956            final NotificationManager notificationManager = getSystemService(NotificationManager.class);
 957            final int filter = notificationManager == null ? NotificationManager.INTERRUPTION_FILTER_UNKNOWN : notificationManager.getCurrentInterruptionFilter();
 958            notificationDnd = filter >= NotificationManager.INTERRUPTION_FILTER_PRIORITY;
 959        } else {
 960            notificationDnd = false;
 961        }
 962        final AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
 963        final int ringerMode = audioManager == null ? AudioManager.RINGER_MODE_NORMAL : audioManager.getRingerMode();
 964        try {
 965            if (treatVibrateAsSilent()) {
 966                return notificationDnd || ringerMode != AudioManager.RINGER_MODE_NORMAL;
 967            } else {
 968                return notificationDnd || ringerMode == AudioManager.RINGER_MODE_SILENT;
 969            }
 970        } catch (Throwable throwable) {
 971            Log.d(Config.LOGTAG, "platform bug in isPhoneSilenced (" + throwable.getMessage() + ")");
 972            return notificationDnd;
 973        }
 974    }
 975
 976    private void resetAllAttemptCounts(boolean reallyAll, boolean retryImmediately) {
 977        Log.d(Config.LOGTAG, "resetting all attempt counts");
 978        for (Account account : accounts) {
 979            if (account.hasErrorStatus() || reallyAll) {
 980                final XmppConnection connection = account.getXmppConnection();
 981                if (connection != null) {
 982                    connection.resetAttemptCount(retryImmediately);
 983                }
 984            }
 985            if (account.setShowErrorNotification(true)) {
 986                mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
 987            }
 988        }
 989        mNotificationService.updateErrorNotification();
 990    }
 991
 992    private void dismissErrorNotifications() {
 993        for (final Account account : this.accounts) {
 994            if (account.hasErrorStatus()) {
 995                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": dismissing error notification");
 996                if (account.setShowErrorNotification(false)) {
 997                    mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
 998                }
 999            }
1000        }
1001    }
1002
1003    private void expireOldMessages() {
1004        expireOldMessages(false);
1005    }
1006
1007    public void expireOldMessages(final boolean resetHasMessagesLeftOnServer) {
1008        mLastExpiryRun.set(SystemClock.elapsedRealtime());
1009        mDatabaseWriterExecutor.execute(() -> {
1010            long timestamp = getAutomaticMessageDeletionDate();
1011            if (timestamp > 0) {
1012                databaseBackend.expireOldMessages(timestamp);
1013                synchronized (XmppConnectionService.this.conversations) {
1014                    for (Conversation conversation : XmppConnectionService.this.conversations) {
1015                        conversation.expireOldMessages(timestamp);
1016                        if (resetHasMessagesLeftOnServer) {
1017                            conversation.messagesLoaded.set(true);
1018                            conversation.setHasMessagesLeftOnServer(true);
1019                        }
1020                    }
1021                }
1022                updateConversationUi();
1023            }
1024        });
1025    }
1026
1027    public boolean hasInternetConnection() {
1028        final ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
1029        try {
1030            final NetworkInfo activeNetwork = cm == null ? null : cm.getActiveNetworkInfo();
1031            return activeNetwork != null && (activeNetwork.isConnected() || activeNetwork.getType() == ConnectivityManager.TYPE_ETHERNET);
1032        } catch (RuntimeException e) {
1033            Log.d(Config.LOGTAG, "unable to check for internet connection", e);
1034            return true; //if internet connection can not be checked it is probably best to just try
1035        }
1036    }
1037
1038    @SuppressLint("TrulyRandom")
1039    @Override
1040    public void onCreate() {
1041        if (Compatibility.runsTwentySix()) {
1042            mNotificationService.initializeChannels();
1043        }
1044        mChannelDiscoveryService.initializeMuclumbusService();
1045        mForceDuringOnCreate.set(Compatibility.runsAndTargetsTwentySix(this));
1046        toggleForegroundService();
1047        this.destroyed = false;
1048        OmemoSetting.load(this);
1049        ExceptionHelper.init(getApplicationContext());
1050        try {
1051            Security.insertProviderAt(Conscrypt.newProvider(), 1);
1052        } catch (Throwable throwable) {
1053            Log.e(Config.LOGTAG,"unable to initialize security provider", throwable);
1054        }
1055        Resolver.init(this);
1056        this.mRandom = new SecureRandom();
1057        updateMemorizingTrustmanager();
1058        final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
1059        final int cacheSize = maxMemory / 8;
1060        this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
1061            @Override
1062            protected int sizeOf(final String key, final Bitmap bitmap) {
1063                return bitmap.getByteCount() / 1024;
1064            }
1065        };
1066        if (mLastActivity == 0) {
1067            mLastActivity = getPreferences().getLong(SETTING_LAST_ACTIVITY_TS, System.currentTimeMillis());
1068        }
1069
1070        Log.d(Config.LOGTAG, "initializing database...");
1071        this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
1072        Log.d(Config.LOGTAG, "restoring accounts...");
1073        this.accounts = databaseBackend.getAccounts();
1074        final SharedPreferences.Editor editor = getPreferences().edit();
1075        if (this.accounts.size() == 0 && Arrays.asList("Sony", "Sony Ericsson").contains(Build.MANUFACTURER)) {
1076            editor.putBoolean(SettingsActivity.KEEP_FOREGROUND_SERVICE, true);
1077            Log.d(Config.LOGTAG, Build.MANUFACTURER + " is on blacklist. enabling foreground service");
1078        }
1079        final boolean hasEnabledAccounts = hasEnabledAccounts();
1080        editor.putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
1081        editor.apply();
1082        toggleSetProfilePictureActivity(hasEnabledAccounts);
1083
1084        restoreFromDatabase();
1085
1086        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || ContextCompat.checkSelfPermission(this, Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
1087            startContactObserver();
1088        }
1089        if (Compatibility.hasStoragePermission(this)) {
1090            Log.d(Config.LOGTAG, "starting file observer");
1091            mFileAddingExecutor.execute(this.fileObserver::startWatching);
1092            mFileAddingExecutor.execute(this::checkForDeletedFiles);
1093        }
1094        if (Config.supportOpenPgp()) {
1095            this.pgpServiceConnection = new OpenPgpServiceConnection(this, "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
1096                @Override
1097                public void onBound(IOpenPgpService2 service) {
1098                    for (Account account : accounts) {
1099                        final PgpDecryptionService pgp = account.getPgpDecryptionService();
1100                        if (pgp != null) {
1101                            pgp.continueDecryption(true);
1102                        }
1103                    }
1104                }
1105
1106                @Override
1107                public void onError(Exception e) {
1108                }
1109            });
1110            this.pgpServiceConnection.bindToService();
1111        }
1112
1113        this.pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
1114        this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Conversations:Service");
1115
1116        toggleForegroundService();
1117        updateUnreadCountBadge();
1118        toggleScreenEventReceiver();
1119        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1120            scheduleNextIdlePing();
1121            IntentFilter intentFilter = new IntentFilter();
1122            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1123                intentFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
1124            }
1125            intentFilter.addAction(NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED);
1126            registerReceiver(this.mInternalEventReceiver, intentFilter);
1127        }
1128        mForceDuringOnCreate.set(false);
1129        toggleForegroundService();
1130    }
1131
1132    private void checkForDeletedFiles() {
1133        if (destroyed) {
1134            Log.d(Config.LOGTAG, "Do not check for deleted files because service has been destroyed");
1135            return;
1136        }
1137        final long start = SystemClock.elapsedRealtime();
1138        final List<DatabaseBackend.FilePathInfo> relativeFilePaths = databaseBackend.getFilePathInfo();
1139        final List<DatabaseBackend.FilePathInfo> changed = new ArrayList<>();
1140        for(final DatabaseBackend.FilePathInfo filePath : relativeFilePaths) {
1141            if (destroyed) {
1142                Log.d(Config.LOGTAG, "Stop checking for deleted files because service has been destroyed");
1143                return;
1144            }
1145            final File file = fileBackend.getFileForPath(filePath.path);
1146            if (filePath.setDeleted(!file.exists())) {
1147                changed.add(filePath);
1148            }
1149        }
1150        final long duration = SystemClock.elapsedRealtime() - start;
1151        Log.d(Config.LOGTAG,"found "+changed.size()+" changed files on start up. total="+relativeFilePaths.size()+". ("+duration+"ms)");
1152        if (changed.size() > 0) {
1153            databaseBackend.markFilesAsChanged(changed);
1154            markChangedFiles(changed);
1155        }
1156    }
1157
1158    public void startContactObserver() {
1159        getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, new ContentObserver(null) {
1160            @Override
1161            public void onChange(boolean selfChange) {
1162                super.onChange(selfChange);
1163                if (restoredFromDatabaseLatch.getCount() == 0) {
1164                    loadPhoneContacts();
1165                }
1166            }
1167        });
1168    }
1169
1170    @Override
1171    public void onTrimMemory(int level) {
1172        super.onTrimMemory(level);
1173        if (level >= TRIM_MEMORY_COMPLETE) {
1174            Log.d(Config.LOGTAG, "clear cache due to low memory");
1175            getBitmapCache().evictAll();
1176        }
1177    }
1178
1179    @Override
1180    public void onDestroy() {
1181        try {
1182            unregisterReceiver(this.mInternalEventReceiver);
1183        } catch (IllegalArgumentException e) {
1184            //ignored
1185        }
1186        destroyed = false;
1187        fileObserver.stopWatching();
1188        super.onDestroy();
1189    }
1190
1191    public void restartFileObserver() {
1192        Log.d(Config.LOGTAG, "restarting file observer");
1193        mFileAddingExecutor.execute(this.fileObserver::restartWatching);
1194        mFileAddingExecutor.execute(this::checkForDeletedFiles);
1195    }
1196
1197    public void toggleScreenEventReceiver() {
1198        if (awayWhenScreenOff() && !manuallyChangePresence()) {
1199            final IntentFilter filter = new IntentFilter();
1200            filter.addAction(Intent.ACTION_SCREEN_ON);
1201            filter.addAction(Intent.ACTION_SCREEN_OFF);
1202            registerReceiver(this.mInternalScreenEventReceiver, filter);
1203        } else {
1204            try {
1205                unregisterReceiver(this.mInternalScreenEventReceiver);
1206            } catch (IllegalArgumentException e) {
1207                //ignored
1208            }
1209        }
1210    }
1211
1212    public void toggleForegroundService() {
1213        toggleForegroundService(false);
1214    }
1215
1216    private void toggleForegroundService(boolean force) {
1217        final boolean status;
1218        if (force || mForceDuringOnCreate.get() || mForceForegroundService.get() || (Compatibility.keepForegroundService(this) && hasEnabledAccounts())) {
1219            final Notification notification = this.mNotificationService.createForegroundNotification();
1220            startForeground(NotificationService.FOREGROUND_NOTIFICATION_ID, notification);
1221            if (!mForceForegroundService.get()) {
1222                mNotificationService.notify(NotificationService.FOREGROUND_NOTIFICATION_ID, notification);
1223            }
1224            status = true;
1225        } else {
1226            stopForeground(true);
1227            status = false;
1228        }
1229        if (!mForceForegroundService.get()) {
1230            mNotificationService.dismissForcedForegroundNotification(); //if the channel was changed the previous call might fail
1231        }
1232        Log.d(Config.LOGTAG,"ForegroundService: "+(status?"on":"off"));
1233    }
1234
1235    public boolean foregroundNotificationNeedsUpdatingWhenErrorStateChanges() {
1236        return !mForceForegroundService.get() && Compatibility.keepForegroundService(this) && hasEnabledAccounts();
1237    }
1238
1239    @Override
1240    public void onTaskRemoved(final Intent rootIntent) {
1241        super.onTaskRemoved(rootIntent);
1242        if ((Compatibility.keepForegroundService(this) && hasEnabledAccounts()) || mForceForegroundService.get()) {
1243            Log.d(Config.LOGTAG, "ignoring onTaskRemoved because foreground service is activated");
1244        } else {
1245            this.logoutAndSave(false);
1246        }
1247    }
1248
1249    private void logoutAndSave(boolean stop) {
1250        int activeAccounts = 0;
1251        for (final Account account : accounts) {
1252            if (account.getStatus() != Account.State.DISABLED) {
1253                databaseBackend.writeRoster(account.getRoster());
1254                activeAccounts++;
1255            }
1256            if (account.getXmppConnection() != null) {
1257                new Thread(() -> disconnect(account, false)).start();
1258            }
1259        }
1260        if (stop || activeAccounts == 0) {
1261            Log.d(Config.LOGTAG, "good bye");
1262            stopSelf();
1263        }
1264    }
1265
1266    private void schedulePostConnectivityChange() {
1267        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1268        if (alarmManager == null) {
1269            return;
1270        }
1271        final long triggerAtMillis = SystemClock.elapsedRealtime() + (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL * 1000);
1272        final Intent intent = new Intent(this, EventReceiver.class);
1273        intent.setAction(ACTION_POST_CONNECTIVITY_CHANGE);
1274        try {
1275            final PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 1, intent, 0);
1276            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1277                alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1278            } else {
1279                alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1280            }
1281        } catch (RuntimeException e) {
1282            Log.e(Config.LOGTAG, "unable to schedule alarm for post connectivity change", e);
1283        }
1284    }
1285
1286    public void scheduleWakeUpCall(int seconds, int requestCode) {
1287        final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000;
1288        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1289        if (alarmManager == null) {
1290            return;
1291        }
1292        final Intent intent = new Intent(this, EventReceiver.class);
1293        intent.setAction("ping");
1294        try {
1295            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, requestCode, intent, 0);
1296            alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1297        } catch (RuntimeException e) {
1298            Log.e(Config.LOGTAG, "unable to schedule alarm for ping", e);
1299        }
1300    }
1301
1302    @TargetApi(Build.VERSION_CODES.M)
1303    private void scheduleNextIdlePing() {
1304        final long timeToWake = SystemClock.elapsedRealtime() + (Config.IDLE_PING_INTERVAL * 1000);
1305        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1306        if (alarmManager == null) {
1307            return;
1308        }
1309        final Intent intent = new Intent(this, EventReceiver.class);
1310        intent.setAction(ACTION_IDLE_PING);
1311        try {
1312            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
1313            alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1314        } catch (RuntimeException e) {
1315            Log.d(Config.LOGTAG, "unable to schedule alarm for idle ping", e);
1316        }
1317    }
1318
1319    public XmppConnection createConnection(final Account account) {
1320        final XmppConnection connection = new XmppConnection(account, this);
1321        connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1322        connection.setOnStatusChangedListener(this.statusListener);
1323        connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1324        connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1325        connection.setOnJinglePacketReceivedListener(this.jingleListener);
1326        connection.setOnBindListener(this.mOnBindListener);
1327        connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1328        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1329        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1330        AxolotlService axolotlService = account.getAxolotlService();
1331        if (axolotlService != null) {
1332            connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1333        }
1334        return connection;
1335    }
1336
1337    public void sendChatState(Conversation conversation) {
1338        if (sendChatStates()) {
1339            MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1340            sendMessagePacket(conversation.getAccount(), packet);
1341        }
1342    }
1343
1344    private void sendFileMessage(final Message message, final boolean delay) {
1345        Log.d(Config.LOGTAG, "send file message");
1346        final Account account = message.getConversation().getAccount();
1347        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1348                || message.getConversation().getMode() == Conversation.MODE_MULTI) {
1349            mHttpConnectionManager.createNewUploadConnection(message, delay);
1350        } else {
1351            mJingleConnectionManager.createNewConnection(message);
1352        }
1353    }
1354
1355    public void sendMessage(final Message message) {
1356        sendMessage(message, false, false);
1357    }
1358
1359    private void sendMessage(final Message message, final boolean resend, final boolean delay) {
1360        final Account account = message.getConversation().getAccount();
1361        if (account.setShowErrorNotification(true)) {
1362            databaseBackend.updateAccount(account);
1363            mNotificationService.updateErrorNotification();
1364        }
1365        final Conversation conversation = (Conversation) message.getConversation();
1366        account.deactivateGracePeriod();
1367
1368
1369        if (QuickConversationsService.isQuicksy() && conversation.getMode() == Conversation.MODE_SINGLE) {
1370            final Contact contact = conversation.getContact();
1371            if (!contact.showInRoster() && contact.getOption(Contact.Options.SYNCED_VIA_OTHER)) {
1372                Log.d(Config.LOGTAG,account.getJid().asBareJid()+": adding "+contact.getJid()+" on sending message");
1373                createContact(contact, true);
1374            }
1375        }
1376
1377        MessagePacket packet = null;
1378        final boolean addToConversation = (conversation.getMode() != Conversation.MODE_MULTI
1379                || !Patches.BAD_MUC_REFLECTION.contains(account.getServerIdentity()))
1380                && !message.edited();
1381        boolean saveInDb = addToConversation;
1382        message.setStatus(Message.STATUS_WAITING);
1383
1384        if (message.getEncryption() != Message.ENCRYPTION_NONE && conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous()) {
1385            if (conversation.setAttribute(Conversation.ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS, true)) {
1386                databaseBackend.updateConversation(conversation);
1387            }
1388        }
1389
1390        final boolean inProgressJoin = isJoinInProgress(conversation);
1391
1392
1393        if (account.isOnlineAndConnected() && !inProgressJoin) {
1394            switch (message.getEncryption()) {
1395                case Message.ENCRYPTION_NONE:
1396                    if (message.needsUploading()) {
1397                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1398                                || conversation.getMode() == Conversation.MODE_MULTI
1399                                || message.fixCounterpart()) {
1400                            this.sendFileMessage(message, delay);
1401                        } else {
1402                            break;
1403                        }
1404                    } else {
1405                        packet = mMessageGenerator.generateChat(message);
1406                    }
1407                    break;
1408                case Message.ENCRYPTION_PGP:
1409                case Message.ENCRYPTION_DECRYPTED:
1410                    if (message.needsUploading()) {
1411                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1412                                || conversation.getMode() == Conversation.MODE_MULTI
1413                                || message.fixCounterpart()) {
1414                            this.sendFileMessage(message, delay);
1415                        } else {
1416                            break;
1417                        }
1418                    } else {
1419                        packet = mMessageGenerator.generatePgpChat(message);
1420                    }
1421                    break;
1422                case Message.ENCRYPTION_AXOLOTL:
1423                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1424                    if (message.needsUploading()) {
1425                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1426                                || conversation.getMode() == Conversation.MODE_MULTI
1427                                || message.fixCounterpart()) {
1428                            this.sendFileMessage(message, delay);
1429                        } else {
1430                            break;
1431                        }
1432                    } else {
1433                        XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1434                        if (axolotlMessage == null) {
1435                            account.getAxolotlService().preparePayloadMessage(message, delay);
1436                        } else {
1437                            packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1438                        }
1439                    }
1440                    break;
1441
1442            }
1443            if (packet != null) {
1444                if (account.getXmppConnection().getFeatures().sm()
1445                        || (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1446                    message.setStatus(Message.STATUS_UNSEND);
1447                } else {
1448                    message.setStatus(Message.STATUS_SEND);
1449                }
1450            }
1451        } else {
1452            switch (message.getEncryption()) {
1453                case Message.ENCRYPTION_DECRYPTED:
1454                    if (!message.needsUploading()) {
1455                        String pgpBody = message.getEncryptedBody();
1456                        String decryptedBody = message.getBody();
1457                        message.setBody(pgpBody); //TODO might throw NPE
1458                        message.setEncryption(Message.ENCRYPTION_PGP);
1459                        if (message.edited()) {
1460                            message.setBody(decryptedBody);
1461                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1462                            if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1463                                Log.e(Config.LOGTAG,"error updated message in DB after edit");
1464                            }
1465                            updateConversationUi();
1466                            return;
1467                        } else {
1468                            databaseBackend.createMessage(message);
1469                            saveInDb = false;
1470                            message.setBody(decryptedBody);
1471                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1472                        }
1473                    }
1474                    break;
1475                case Message.ENCRYPTION_AXOLOTL:
1476                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1477                    break;
1478            }
1479        }
1480
1481
1482        boolean mucMessage = conversation.getMode() == Conversation.MODE_MULTI && !message.isPrivateMessage();
1483        if (mucMessage) {
1484            message.setCounterpart(conversation.getMucOptions().getSelf().getFullJid());
1485        }
1486
1487        if (resend) {
1488            if (packet != null && addToConversation) {
1489                if (account.getXmppConnection().getFeatures().sm() || mucMessage) {
1490                    markMessage(message, Message.STATUS_UNSEND);
1491                } else {
1492                    markMessage(message, Message.STATUS_SEND);
1493                }
1494            }
1495        } else {
1496            if (addToConversation) {
1497                conversation.add(message);
1498            }
1499            if (saveInDb) {
1500                databaseBackend.createMessage(message);
1501            } else if (message.edited()) {
1502                if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1503                    Log.e(Config.LOGTAG,"error updated message in DB after edit");
1504                }
1505            }
1506            updateConversationUi();
1507        }
1508        if (packet != null) {
1509            if (delay) {
1510                mMessageGenerator.addDelay(packet, message.getTimeSent());
1511            }
1512            if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
1513                if (this.sendChatStates()) {
1514                    packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1515                }
1516            }
1517            sendMessagePacket(account, packet);
1518        }
1519    }
1520
1521    private boolean isJoinInProgress(final Conversation conversation) {
1522        final Account account = conversation.getAccount();
1523        synchronized (account.inProgressConferenceJoins) {
1524            if (conversation.getMode() == Conversational.MODE_MULTI) {
1525                final boolean inProgress = account.inProgressConferenceJoins.contains(conversation);
1526                final boolean pending = account.pendingConferenceJoins.contains(conversation);
1527                final boolean inProgressJoin = inProgress || pending;
1528                if (inProgressJoin) {
1529                    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": holding back message to group. inProgress="+inProgress+", pending="+pending);
1530                }
1531                return inProgressJoin;
1532            } else {
1533                return false;
1534            }
1535        }
1536    }
1537
1538    private void sendUnsentMessages(final Conversation conversation) {
1539        conversation.findWaitingMessages(message -> resendMessage(message, true));
1540    }
1541
1542    public void resendMessage(final Message message, final boolean delay) {
1543        sendMessage(message, true, delay);
1544    }
1545
1546    public void fetchRosterFromServer(final Account account) {
1547        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1548        if (!"".equals(account.getRosterVersion())) {
1549            Log.d(Config.LOGTAG, account.getJid().asBareJid()
1550                    + ": fetching roster version " + account.getRosterVersion());
1551        } else {
1552            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching roster");
1553        }
1554        iqPacket.query(Namespace.ROSTER).setAttribute("ver", account.getRosterVersion());
1555        sendIqPacket(account, iqPacket, mIqParser);
1556    }
1557
1558    public void fetchBookmarks(final Account account) {
1559        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1560        final Element query = iqPacket.query("jabber:iq:private");
1561        query.addChild("storage", Namespace.BOOKMARKS);
1562        final OnIqPacketReceived callback = (a, response) -> {
1563            if (response.getType() == IqPacket.TYPE.RESULT) {
1564                final Element query1 = response.query();
1565                final Element storage = query1.findChild("storage", "storage:bookmarks");
1566                Map<Jid, Bookmark> bookmarks = Bookmark.parseFromStorage(storage, account);
1567                processBookmarksInitial(a, bookmarks, false);
1568            } else {
1569                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": could not fetch bookmarks");
1570            }
1571        };
1572        sendIqPacket(account, iqPacket, callback);
1573    }
1574
1575    public void fetchBookmarks2(final Account account) {
1576        final IqPacket retrieve = mIqGenerator.retrieveBookmarks();
1577        sendIqPacket(account, retrieve, new OnIqPacketReceived() {
1578            @Override
1579            public void onIqPacketReceived(final Account account, final IqPacket response) {
1580                if (response.getType() == IqPacket.TYPE.RESULT) {
1581                    final Element pubsub = response.findChild("pubsub", Namespace.PUBSUB);
1582                    final Map<Jid, Bookmark> bookmarks = Bookmark.parseFromPubsub(pubsub, account);
1583                    processBookmarksInitial(account, bookmarks, true);
1584                }
1585            }
1586        });
1587    }
1588
1589    public void processBookmarksInitial(Account account, Map<Jid,Bookmark> bookmarks, final boolean pep) {
1590        final Set<Jid> previousBookmarks = account.getBookmarkedJids();
1591        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1592        for (Bookmark bookmark : bookmarks.values()) {
1593            previousBookmarks.remove(bookmark.getJid().asBareJid());
1594            processModifiedBookmark(bookmark, pep, synchronizeWithBookmarks);
1595        }
1596        if (pep && synchronizeWithBookmarks) {
1597            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": " + previousBookmarks.size() + " bookmarks have been removed");
1598            for (Jid jid : previousBookmarks) {
1599                processDeletedBookmark(account, jid);
1600            }
1601        }
1602        account.setBookmarks(bookmarks);
1603    }
1604
1605    public void processDeletedBookmark(Account account, Jid jid) {
1606        final Conversation conversation = find(account, jid);
1607        if (conversation != null && conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
1608            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": archiving destroyed conference ("+conversation.getJid()+") after receiving pep");
1609            archiveConversation(conversation, false);
1610        }
1611    }
1612
1613    private void processModifiedBookmark(Bookmark bookmark, final boolean pep, final boolean synchronizeWithBookmarks) {
1614        final Account account = bookmark.getAccount();
1615        Conversation conversation = find(bookmark);
1616        if (conversation != null) {
1617            if (conversation.getMode() != Conversation.MODE_MULTI) {
1618                return;
1619            }
1620            bookmark.setConversation(conversation);
1621            if (pep && synchronizeWithBookmarks && !bookmark.autojoin()) {
1622                Log.d(Config.LOGTAG,account.getJid().asBareJid()+": archiving conference ("+conversation.getJid()+") after receiving pep");
1623                archiveConversation(conversation, false);
1624            }
1625        } else if (synchronizeWithBookmarks && bookmark.autojoin()) {
1626            conversation = findOrCreateConversation(account, bookmark.getFullJid(), true, true, false);
1627            bookmark.setConversation(conversation);
1628        }
1629    }
1630
1631    public void processModifiedBookmark(Bookmark bookmark) {
1632        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1633        processModifiedBookmark(bookmark, true, synchronizeWithBookmarks);
1634    }
1635
1636    public void createBookmark(final Account account, final Bookmark bookmark) {
1637        account.putBookmark(bookmark);
1638        final XmppConnection connection = account.getXmppConnection();
1639        if (connection.getFeatures().bookmarks2()) {
1640            final Element item = mIqGenerator.publishBookmarkItem(bookmark);
1641            pushNodeAndEnforcePublishOptions(account, Namespace.BOOKMARKS2, item, bookmark.getJid().asBareJid().toEscapedString(), PublishOptions.persistentWhitelistAccessMaxItems());
1642        } else if (connection.getFeatures().bookmarksConversion()) {
1643            pushBookmarksPep(account);
1644        } else {
1645            pushBookmarksPrivateXml(account);
1646        }
1647    }
1648
1649    public void deleteBookmark(final Account account, final Bookmark bookmark) {
1650        account.removeBookmark(bookmark);
1651        final XmppConnection connection = account.getXmppConnection();
1652        if (connection.getFeatures().bookmarksConversion()) {
1653            IqPacket request = mIqGenerator.deleteItem(Namespace.BOOKMARKS2, bookmark.getJid().asBareJid().toEscapedString());
1654            sendIqPacket(account, request, new OnIqPacketReceived() {
1655                @Override
1656                public void onIqPacketReceived(Account account, IqPacket packet) {
1657                    Log.d(Config.LOGTAG,packet.toString());
1658                }
1659            });
1660        } else if (connection.getFeatures().bookmarksConversion()) {
1661            pushBookmarksPep(account);
1662        } else {
1663            pushBookmarksPrivateXml(account);
1664        }
1665    }
1666
1667    private void pushBookmarksPrivateXml(Account account) {
1668        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via private xml");
1669        IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1670        Element query = iqPacket.query("jabber:iq:private");
1671        Element storage = query.addChild("storage", "storage:bookmarks");
1672        for (Bookmark bookmark : account.getBookmarks()) {
1673            storage.addChild(bookmark);
1674        }
1675        sendIqPacket(account, iqPacket, mDefaultIqHandler);
1676    }
1677
1678    private void pushBookmarksPep(Account account) {
1679        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via pep");
1680        Element storage = new Element("storage", "storage:bookmarks");
1681        for (Bookmark bookmark : account.getBookmarks()) {
1682            storage.addChild(bookmark);
1683        }
1684        pushNodeAndEnforcePublishOptions(account,Namespace.BOOKMARKS,storage, PublishOptions.persistentWhitelistAccess());
1685
1686    }
1687
1688    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final Bundle options) {
1689        pushNodeAndEnforcePublishOptions(account, node, element, null, options, true);
1690
1691    }
1692
1693    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options) {
1694        pushNodeAndEnforcePublishOptions(account, node, element, id, options, true);
1695
1696    }
1697
1698	private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options, final boolean retry) {
1699        final IqPacket packet = mIqGenerator.publishElement(node, element, id, options);
1700        sendIqPacket(account, packet, (a, response) -> {
1701            if (response.getType() == IqPacket.TYPE.RESULT) {
1702                return;
1703            }
1704            if (retry && PublishOptions.preconditionNotMet(response)) {
1705                pushNodeConfiguration(account, node, options, new OnConfigurationPushed() {
1706                    @Override
1707                    public void onPushSucceeded() {
1708                        pushNodeAndEnforcePublishOptions(account, node, element, id, options, false);
1709                    }
1710
1711                    @Override
1712                    public void onPushFailed() {
1713                        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to push node configuration ("+node+")");
1714                    }
1715                });
1716            } else {
1717                Log.d(Config.LOGTAG,account.getJid().asBareJid()+": error publishing bookmarks (retry="+Boolean.toString(retry)+") "+response);
1718            }
1719        });
1720    }
1721
1722	private void restoreFromDatabase() {
1723		synchronized (this.conversations) {
1724			final Map<String, Account> accountLookupTable = new Hashtable<>();
1725			for (Account account : this.accounts) {
1726				accountLookupTable.put(account.getUuid(), account);
1727			}
1728			Log.d(Config.LOGTAG, "restoring conversations...");
1729			final long startTimeConversationsRestore = SystemClock.elapsedRealtime();
1730			this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1731			for (Iterator<Conversation> iterator = conversations.listIterator(); iterator.hasNext(); ) {
1732				Conversation conversation = iterator.next();
1733				Account account = accountLookupTable.get(conversation.getAccountUuid());
1734				if (account != null) {
1735					conversation.setAccount(account);
1736				} else {
1737					Log.e(Config.LOGTAG, "unable to restore Conversations with " + conversation.getJid());
1738					iterator.remove();
1739				}
1740			}
1741			long diffConversationsRestore = SystemClock.elapsedRealtime() - startTimeConversationsRestore;
1742			Log.d(Config.LOGTAG, "finished restoring conversations in " + diffConversationsRestore + "ms");
1743			Runnable runnable = () -> {
1744				long deletionDate = getAutomaticMessageDeletionDate();
1745				mLastExpiryRun.set(SystemClock.elapsedRealtime());
1746				if (deletionDate > 0) {
1747					Log.d(Config.LOGTAG, "deleting messages that are older than " + AbstractGenerator.getTimestamp(deletionDate));
1748					databaseBackend.expireOldMessages(deletionDate);
1749				}
1750				Log.d(Config.LOGTAG, "restoring roster...");
1751				for (Account account : accounts) {
1752					databaseBackend.readRoster(account.getRoster());
1753					account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1754				}
1755				getBitmapCache().evictAll();
1756				loadPhoneContacts();
1757				Log.d(Config.LOGTAG, "restoring messages...");
1758				final long startMessageRestore = SystemClock.elapsedRealtime();
1759				final Conversation quickLoad = QuickLoader.get(this.conversations);
1760				if (quickLoad != null) {
1761					restoreMessages(quickLoad);
1762					updateConversationUi();
1763					final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1764					Log.d(Config.LOGTAG,"quickly restored "+quickLoad.getName()+" after " + diffMessageRestore + "ms");
1765				}
1766				for (Conversation conversation : this.conversations) {
1767					if (quickLoad != conversation) {
1768						restoreMessages(conversation);
1769					}
1770				}
1771				mNotificationService.finishBacklog(false);
1772				restoredFromDatabaseLatch.countDown();
1773				final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1774				Log.d(Config.LOGTAG, "finished restoring messages in " + diffMessageRestore + "ms");
1775				updateConversationUi();
1776			};
1777			mDatabaseReaderExecutor.execute(runnable); //will contain one write command (expiry) but that's fine
1778		}
1779	}
1780
1781	private void restoreMessages(Conversation conversation) {
1782		conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1783		conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
1784		conversation.findUnreadMessages(message -> mNotificationService.pushFromBacklog(message));
1785	}
1786
1787	public void loadPhoneContacts() {
1788        mContactMergerExecutor.execute(() -> {
1789            Map<Jid, JabberIdContact> contacts = JabberIdContact.load(this);
1790            Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1791            for (Account account : accounts) {
1792                List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts(JabberIdContact.class);
1793                for (JabberIdContact jidContact : contacts.values()) {
1794                    final Contact contact = account.getRoster().getContact(jidContact.getJid());
1795                    boolean needsCacheClean = contact.setPhoneContact(jidContact);
1796                    if (needsCacheClean) {
1797                        getAvatarService().clear(contact);
1798                    }
1799                    withSystemAccounts.remove(contact);
1800                }
1801                for (Contact contact : withSystemAccounts) {
1802                    boolean needsCacheClean = contact.unsetPhoneContact(JabberIdContact.class);
1803                    if (needsCacheClean) {
1804                        getAvatarService().clear(contact);
1805                    }
1806                }
1807            }
1808            Log.d(Config.LOGTAG, "finished merging phone contacts");
1809            mShortcutService.refresh(mInitialAddressbookSyncCompleted.compareAndSet(false, true));
1810            updateRosterUi();
1811            mQuickConversationsService.considerSync();
1812        });
1813	}
1814
1815
1816	public void syncRoster(final Account account) {
1817		mRosterSyncTaskManager.execute(account, () -> databaseBackend.writeRoster(account.getRoster()));
1818	}
1819
1820	public List<Conversation> getConversations() {
1821		return this.conversations;
1822	}
1823
1824	private void markFileDeleted(final String path) {
1825        final File file = new File(path);
1826        final boolean isInternalFile = fileBackend.isInternalFile(file);
1827        final List<String> uuids = databaseBackend.markFileAsDeleted(file, isInternalFile);
1828        Log.d(Config.LOGTAG, "deleted file " + path+" internal="+isInternalFile+", database hits="+uuids.size());
1829        markUuidsAsDeletedFiles(uuids);
1830	}
1831
1832	private void markUuidsAsDeletedFiles(List<String> uuids) {
1833        boolean deleted = false;
1834        for (Conversation conversation : getConversations()) {
1835            deleted |= conversation.markAsDeleted(uuids);
1836        }
1837        if (deleted) {
1838            updateConversationUi();
1839        }
1840    }
1841
1842    private void markChangedFiles(List<DatabaseBackend.FilePathInfo> infos) {
1843        boolean changed = false;
1844        for (Conversation conversation : getConversations()) {
1845            changed |= conversation.markAsChanged(infos);
1846        }
1847        if (changed) {
1848            updateConversationUi();
1849        }
1850    }
1851
1852	public void populateWithOrderedConversations(final List<Conversation> list) {
1853		populateWithOrderedConversations(list, true, true);
1854	}
1855
1856	public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload) {
1857        populateWithOrderedConversations(list, includeNoFileUpload, true);
1858    }
1859
1860	public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload, final boolean sort) {
1861        final List<String> orderedUuids;
1862        if (sort) {
1863            orderedUuids = null;
1864        } else {
1865            orderedUuids = new ArrayList<>();
1866            for(Conversation conversation : list) {
1867                orderedUuids.add(conversation.getUuid());
1868            }
1869        }
1870		list.clear();
1871		if (includeNoFileUpload) {
1872			list.addAll(getConversations());
1873		} else {
1874			for (Conversation conversation : getConversations()) {
1875				if (conversation.getMode() == Conversation.MODE_SINGLE
1876						|| (conversation.getAccount().httpUploadAvailable() && conversation.getMucOptions().participating())) {
1877					list.add(conversation);
1878				}
1879			}
1880		}
1881		try {
1882		    if (orderedUuids != null) {
1883                Collections.sort(list, (a, b) -> {
1884                    final int indexA = orderedUuids.indexOf(a.getUuid());
1885                    final int indexB = orderedUuids.indexOf(b.getUuid());
1886                    if (indexA == -1 || indexB == -1 || indexA == indexB) {
1887                        return a.compareTo(b);
1888                    }
1889                    return indexA - indexB;
1890                });
1891            } else {
1892                Collections.sort(list);
1893            }
1894		} catch (IllegalArgumentException e) {
1895			//ignore
1896		}
1897	}
1898
1899	public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
1900		if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
1901			return;
1902		} else if (timestamp == 0) {
1903			return;
1904		}
1905		Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
1906		final Runnable runnable = () -> {
1907			final Account account = conversation.getAccount();
1908			List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
1909			if (messages.size() > 0) {
1910				conversation.addAll(0, messages);
1911				callback.onMoreMessagesLoaded(messages.size(), conversation);
1912			} else if (conversation.hasMessagesLeftOnServer()
1913					&& account.isOnlineAndConnected()
1914					&& conversation.getLastClearHistory().getTimestamp() == 0) {
1915				final boolean mamAvailable;
1916				if (conversation.getMode() == Conversation.MODE_SINGLE) {
1917					mamAvailable = account.getXmppConnection().getFeatures().mam() && !conversation.getContact().isBlocked();
1918				} else {
1919					mamAvailable = conversation.getMucOptions().mamSupport();
1920				}
1921				if (mamAvailable) {
1922					MessageArchiveService.Query query = getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
1923					if (query != null) {
1924						query.setCallback(callback);
1925						callback.informUser(R.string.fetching_history_from_server);
1926					} else {
1927						callback.informUser(R.string.not_fetching_history_retention_period);
1928					}
1929
1930				}
1931			}
1932		};
1933		mDatabaseReaderExecutor.execute(runnable);
1934	}
1935
1936	public List<Account> getAccounts() {
1937		return this.accounts;
1938	}
1939
1940
1941    /**
1942     * 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)
1943     */
1944	public List<Conversation> findAllConferencesWith(Contact contact) {
1945		ArrayList<Conversation> results = new ArrayList<>();
1946		for (final Conversation c : conversations) {
1947			if (c.getMode() == Conversation.MODE_MULTI && (c.getJid().asBareJid().equals(contact.getJid().asBareJid()) || c.getMucOptions().isContactInRoom(contact))) {
1948			    results.add(c);
1949			}
1950		}
1951		return results;
1952	}
1953
1954	public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
1955		for (final Conversation conversation : haystack) {
1956			if (conversation.getContact() == contact) {
1957				return conversation;
1958			}
1959		}
1960		return null;
1961	}
1962
1963	public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
1964		if (jid == null) {
1965			return null;
1966		}
1967		for (final Conversation conversation : haystack) {
1968			if ((account == null || conversation.getAccount() == account)
1969					&& (conversation.getJid().asBareJid().equals(jid.asBareJid()))) {
1970				return conversation;
1971			}
1972		}
1973		return null;
1974	}
1975
1976	public boolean isConversationsListEmpty(final Conversation ignore) {
1977		synchronized (this.conversations) {
1978			final int size = this.conversations.size();
1979			return size == 0 || size == 1 && this.conversations.get(0) == ignore;
1980		}
1981	}
1982
1983	public boolean isConversationStillOpen(final Conversation conversation) {
1984		synchronized (this.conversations) {
1985			for (Conversation current : this.conversations) {
1986				if (current == conversation) {
1987					return true;
1988				}
1989			}
1990		}
1991		return false;
1992	}
1993
1994	public Conversation findOrCreateConversation(Account account, Jid jid, boolean muc, final boolean async) {
1995		return this.findOrCreateConversation(account, jid, muc, false, async);
1996	}
1997
1998	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final boolean async) {
1999		return this.findOrCreateConversation(account, jid, muc, joinAfterCreate, null, async);
2000	}
2001
2002	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final MessageArchiveService.Query query, final boolean async) {
2003		synchronized (this.conversations) {
2004			Conversation conversation = find(account, jid);
2005			if (conversation != null) {
2006				return conversation;
2007			}
2008			conversation = databaseBackend.findConversation(account, jid);
2009			final boolean loadMessagesFromDb;
2010			if (conversation != null) {
2011				conversation.setStatus(Conversation.STATUS_AVAILABLE);
2012				conversation.setAccount(account);
2013				if (muc) {
2014					conversation.setMode(Conversation.MODE_MULTI);
2015					conversation.setContactJid(jid);
2016				} else {
2017					conversation.setMode(Conversation.MODE_SINGLE);
2018					conversation.setContactJid(jid.asBareJid());
2019				}
2020				databaseBackend.updateConversation(conversation);
2021				loadMessagesFromDb = conversation.messagesLoaded.compareAndSet(true, false);
2022			} else {
2023				String conversationName;
2024				Contact contact = account.getRoster().getContact(jid);
2025				if (contact != null) {
2026					conversationName = contact.getDisplayName();
2027				} else {
2028					conversationName = jid.getLocal();
2029				}
2030				if (muc) {
2031					conversation = new Conversation(conversationName, account, jid,
2032							Conversation.MODE_MULTI);
2033				} else {
2034					conversation = new Conversation(conversationName, account, jid.asBareJid(),
2035							Conversation.MODE_SINGLE);
2036				}
2037				this.databaseBackend.createConversation(conversation);
2038				loadMessagesFromDb = false;
2039			}
2040			final Conversation c = conversation;
2041			final Runnable runnable = () -> {
2042				if (loadMessagesFromDb) {
2043					c.addAll(0, databaseBackend.getMessages(c, Config.PAGE_SIZE));
2044					updateConversationUi();
2045					c.messagesLoaded.set(true);
2046				}
2047				if (account.getXmppConnection() != null
2048						&& !c.getContact().isBlocked()
2049						&& account.getXmppConnection().getFeatures().mam()
2050						&& !muc) {
2051					if (query == null) {
2052						mMessageArchiveService.query(c);
2053					} else {
2054						if (query.getConversation() == null) {
2055							mMessageArchiveService.query(c, query.getStart(), query.isCatchup());
2056						}
2057					}
2058				}
2059				if (joinAfterCreate) {
2060					joinMuc(c);
2061				}
2062			};
2063			if (async) {
2064				mDatabaseReaderExecutor.execute(runnable);
2065			} else {
2066				runnable.run();
2067			}
2068			this.conversations.add(conversation);
2069			updateConversationUi();
2070			return conversation;
2071		}
2072	}
2073
2074	public void archiveConversation(Conversation conversation) {
2075	    archiveConversation(conversation, true);
2076    }
2077
2078	private void archiveConversation(Conversation conversation, final boolean maySynchronizeWithBookmarks) {
2079		getNotificationService().clear(conversation);
2080		conversation.setStatus(Conversation.STATUS_ARCHIVED);
2081		conversation.setNextMessage(null);
2082		synchronized (this.conversations) {
2083			getMessageArchiveService().kill(conversation);
2084			if (conversation.getMode() == Conversation.MODE_MULTI) {
2085				if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2086					final Bookmark bookmark = conversation.getBookmark();
2087					if (maySynchronizeWithBookmarks && bookmark != null && synchronizeWithBookmarks()) {
2088						if (conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
2089							Account account = bookmark.getAccount();
2090							bookmark.setConversation(null);
2091							deleteBookmark(account, bookmark);
2092						} else if (bookmark.autojoin()) {
2093							bookmark.setAutojoin(false);
2094							createBookmark(bookmark.getAccount(), bookmark);
2095						}
2096					}
2097				}
2098                if (conversation.getMucOptions().push()) {
2099                    disableDirectMucPush(conversation);
2100                    mPushManagementService.disablePushOnServer(conversation);
2101                }
2102				leaveMuc(conversation);
2103			} else {
2104				if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
2105				    stopPresenceUpdatesTo(conversation.getContact());
2106				}
2107			}
2108			updateConversation(conversation);
2109			this.conversations.remove(conversation);
2110			updateConversationUi();
2111		}
2112	}
2113
2114	public void stopPresenceUpdatesTo(Contact contact) {
2115        Log.d(Config.LOGTAG, "Canceling presence request from " + contact.getJid().toString());
2116        sendPresencePacket(contact.getAccount(), mPresenceGenerator.stopPresenceUpdatesTo(contact));
2117        contact.resetOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
2118    }
2119
2120	public void createAccount(final Account account) {
2121		account.initAccountServices(this);
2122		databaseBackend.createAccount(account);
2123		this.accounts.add(account);
2124		this.reconnectAccountInBackground(account);
2125		updateAccountUi();
2126		syncEnabledAccountSetting();
2127		toggleForegroundService();
2128	}
2129
2130	private void syncEnabledAccountSetting() {
2131	    final boolean hasEnabledAccounts = hasEnabledAccounts();
2132		getPreferences().edit().putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
2133		toggleSetProfilePictureActivity(hasEnabledAccounts);
2134	}
2135
2136	private void toggleSetProfilePictureActivity(final boolean enabled) {
2137	    try {
2138	        final ComponentName name = new ComponentName(this, ChooseAccountForProfilePictureActivity.class);
2139	        final int targetState =  enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
2140            getPackageManager().setComponentEnabledSetting(name, targetState, PackageManager.DONT_KILL_APP);
2141        } catch (IllegalStateException e) {
2142	        Log.d(Config.LOGTAG,"unable to toggle profile picture actvitiy");
2143        }
2144    }
2145
2146	public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
2147		new Thread(() -> {
2148			try {
2149				final X509Certificate[] chain = KeyChain.getCertificateChain(this, alias);
2150				final X509Certificate cert = chain != null && chain.length > 0 ? chain[0] : null;
2151				if (cert == null) {
2152					callback.informUser(R.string.unable_to_parse_certificate);
2153					return;
2154				}
2155				Pair<Jid, String> info = CryptoHelper.extractJidAndName(cert);
2156				if (info == null) {
2157					callback.informUser(R.string.certificate_does_not_contain_jid);
2158					return;
2159				}
2160				if (findAccountByJid(info.first) == null) {
2161					Account account = new Account(info.first, "");
2162					account.setPrivateKeyAlias(alias);
2163					account.setOption(Account.OPTION_DISABLED, true);
2164					account.setDisplayName(info.second);
2165					createAccount(account);
2166					callback.onAccountCreated(account);
2167					if (Config.X509_VERIFICATION) {
2168						try {
2169							getMemorizingTrustManager().getNonInteractive(account.getJid().getDomain()).checkClientTrusted(chain, "RSA");
2170						} catch (CertificateException e) {
2171							callback.informUser(R.string.certificate_chain_is_not_trusted);
2172						}
2173					}
2174				} else {
2175					callback.informUser(R.string.account_already_exists);
2176				}
2177			} catch (Exception e) {
2178				e.printStackTrace();
2179				callback.informUser(R.string.unable_to_parse_certificate);
2180			}
2181		}).start();
2182
2183	}
2184
2185	public void updateKeyInAccount(final Account account, final String alias) {
2186		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": update key in account " + alias);
2187		try {
2188			X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
2189			Log.d(Config.LOGTAG, account.getJid().asBareJid() + " loaded certificate chain");
2190			Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
2191			if (info == null) {
2192				showErrorToastInUi(R.string.certificate_does_not_contain_jid);
2193				return;
2194			}
2195			if (account.getJid().asBareJid().equals(info.first)) {
2196				account.setPrivateKeyAlias(alias);
2197				account.setDisplayName(info.second);
2198				databaseBackend.updateAccount(account);
2199				if (Config.X509_VERIFICATION) {
2200					try {
2201						getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
2202					} catch (CertificateException e) {
2203						showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
2204					}
2205					account.getAxolotlService().regenerateKeys(true);
2206				}
2207			} else {
2208				showErrorToastInUi(R.string.jid_does_not_match_certificate);
2209			}
2210		} catch (Exception e) {
2211			e.printStackTrace();
2212		}
2213	}
2214
2215	public boolean updateAccount(final Account account) {
2216		if (databaseBackend.updateAccount(account)) {
2217			account.setShowErrorNotification(true);
2218			this.statusListener.onStatusChanged(account);
2219			databaseBackend.updateAccount(account);
2220			reconnectAccountInBackground(account);
2221			updateAccountUi();
2222			getNotificationService().updateErrorNotification();
2223			toggleForegroundService();
2224			syncEnabledAccountSetting();
2225			return true;
2226		} else {
2227			return false;
2228		}
2229	}
2230
2231	public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
2232		final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
2233		sendIqPacket(account, iq, (a, packet) -> {
2234			if (packet.getType() == IqPacket.TYPE.RESULT) {
2235				a.setPassword(newPassword);
2236				a.setOption(Account.OPTION_MAGIC_CREATE, false);
2237				databaseBackend.updateAccount(a);
2238				callback.onPasswordChangeSucceeded();
2239			} else {
2240				callback.onPasswordChangeFailed();
2241			}
2242		});
2243	}
2244
2245	public void deleteAccount(final Account account) {
2246	    final boolean connected = account.getStatus() == Account.State.ONLINE;
2247		synchronized (this.conversations) {
2248		    if (connected) {
2249                account.getAxolotlService().deleteOmemoIdentity();
2250            }
2251            for (final Conversation conversation : conversations) {
2252                if (conversation.getAccount() == account) {
2253                    if (conversation.getMode() == Conversation.MODE_MULTI) {
2254                        if (connected) {
2255                            leaveMuc(conversation);
2256                        }
2257                    }
2258                    conversations.remove(conversation);
2259                    mNotificationService.clear(conversation);
2260                }
2261            }
2262			if (account.getXmppConnection() != null) {
2263				new Thread(() -> disconnect(account, !connected)).start();
2264			}
2265			final Runnable runnable = () -> {
2266				if (!databaseBackend.deleteAccount(account)) {
2267					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to delete account");
2268				}
2269			};
2270			mDatabaseWriterExecutor.execute(runnable);
2271			this.accounts.remove(account);
2272			this.mRosterSyncTaskManager.clear(account);
2273			updateAccountUi();
2274			mNotificationService.updateErrorNotification();
2275			syncEnabledAccountSetting();
2276			toggleForegroundService();
2277		}
2278	}
2279
2280	public void setOnConversationListChangedListener(OnConversationUpdate listener) {
2281		final boolean remainingListeners;
2282		synchronized (LISTENER_LOCK) {
2283			remainingListeners = checkListeners();
2284			if (!this.mOnConversationUpdates.add(listener)) {
2285				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as ConversationListChangedListener");
2286			}
2287			this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2288		}
2289		if (remainingListeners) {
2290			switchToForeground();
2291		}
2292	}
2293
2294	public void removeOnConversationListChangedListener(OnConversationUpdate listener) {
2295		final boolean remainingListeners;
2296		synchronized (LISTENER_LOCK) {
2297			this.mOnConversationUpdates.remove(listener);
2298			this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2299			remainingListeners = checkListeners();
2300		}
2301		if (remainingListeners) {
2302			switchToBackground();
2303		}
2304	}
2305
2306	public void setOnShowErrorToastListener(OnShowErrorToast listener) {
2307		final boolean remainingListeners;
2308		synchronized (LISTENER_LOCK) {
2309			remainingListeners = checkListeners();
2310			if (!this.mOnShowErrorToasts.add(listener)) {
2311				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnShowErrorToastListener");
2312			}
2313		}
2314		if (remainingListeners) {
2315			switchToForeground();
2316		}
2317	}
2318
2319	public void removeOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
2320		final boolean remainingListeners;
2321		synchronized (LISTENER_LOCK) {
2322			this.mOnShowErrorToasts.remove(onShowErrorToast);
2323			remainingListeners = checkListeners();
2324		}
2325		if (remainingListeners) {
2326			switchToBackground();
2327		}
2328	}
2329
2330	public void setOnAccountListChangedListener(OnAccountUpdate listener) {
2331		final boolean remainingListeners;
2332		synchronized (LISTENER_LOCK) {
2333			remainingListeners = checkListeners();
2334			if (!this.mOnAccountUpdates.add(listener)) {
2335				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnAccountListChangedtListener");
2336			}
2337		}
2338		if (remainingListeners) {
2339			switchToForeground();
2340		}
2341	}
2342
2343	public void removeOnAccountListChangedListener(OnAccountUpdate listener) {
2344		final boolean remainingListeners;
2345		synchronized (LISTENER_LOCK) {
2346			this.mOnAccountUpdates.remove(listener);
2347			remainingListeners = checkListeners();
2348		}
2349		if (remainingListeners) {
2350			switchToBackground();
2351		}
2352	}
2353
2354	public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2355		final boolean remainingListeners;
2356		synchronized (LISTENER_LOCK) {
2357			remainingListeners = checkListeners();
2358			if (!this.mOnCaptchaRequested.add(listener)) {
2359				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnCaptchaRequestListener");
2360			}
2361		}
2362		if (remainingListeners) {
2363			switchToForeground();
2364		}
2365	}
2366
2367	public void removeOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2368		final boolean remainingListeners;
2369		synchronized (LISTENER_LOCK) {
2370			this.mOnCaptchaRequested.remove(listener);
2371			remainingListeners = checkListeners();
2372		}
2373		if (remainingListeners) {
2374			switchToBackground();
2375		}
2376	}
2377
2378	public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
2379		final boolean remainingListeners;
2380		synchronized (LISTENER_LOCK) {
2381			remainingListeners = checkListeners();
2382			if (!this.mOnRosterUpdates.add(listener)) {
2383				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnRosterUpdateListener");
2384			}
2385		}
2386		if (remainingListeners) {
2387			switchToForeground();
2388		}
2389	}
2390
2391	public void removeOnRosterUpdateListener(final OnRosterUpdate listener) {
2392		final boolean remainingListeners;
2393		synchronized (LISTENER_LOCK) {
2394			this.mOnRosterUpdates.remove(listener);
2395			remainingListeners = checkListeners();
2396		}
2397		if (remainingListeners) {
2398			switchToBackground();
2399		}
2400	}
2401
2402	public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2403		final boolean remainingListeners;
2404		synchronized (LISTENER_LOCK) {
2405			remainingListeners = checkListeners();
2406			if (!this.mOnUpdateBlocklist.add(listener)) {
2407				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnUpdateBlocklistListener");
2408			}
2409		}
2410		if (remainingListeners) {
2411			switchToForeground();
2412		}
2413	}
2414
2415	public void removeOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2416		final boolean remainingListeners;
2417		synchronized (LISTENER_LOCK) {
2418			this.mOnUpdateBlocklist.remove(listener);
2419			remainingListeners = checkListeners();
2420		}
2421		if (remainingListeners) {
2422			switchToBackground();
2423		}
2424	}
2425
2426	public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
2427		final boolean remainingListeners;
2428		synchronized (LISTENER_LOCK) {
2429			remainingListeners = checkListeners();
2430			if (!this.mOnKeyStatusUpdated.add(listener)) {
2431				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnKeyStatusUpdateListener");
2432			}
2433		}
2434		if (remainingListeners) {
2435			switchToForeground();
2436		}
2437	}
2438
2439	public void removeOnNewKeysAvailableListener(final OnKeyStatusUpdated listener) {
2440		final boolean remainingListeners;
2441		synchronized (LISTENER_LOCK) {
2442			this.mOnKeyStatusUpdated.remove(listener);
2443			remainingListeners = checkListeners();
2444		}
2445		if (remainingListeners) {
2446			switchToBackground();
2447		}
2448	}
2449
2450	public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
2451		final boolean remainingListeners;
2452		synchronized (LISTENER_LOCK) {
2453			remainingListeners = checkListeners();
2454			if (!this.mOnMucRosterUpdate.add(listener)) {
2455				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnMucRosterListener");
2456			}
2457		}
2458		if (remainingListeners) {
2459			switchToForeground();
2460		}
2461	}
2462
2463	public void removeOnMucRosterUpdateListener(final OnMucRosterUpdate listener) {
2464		final boolean remainingListeners;
2465		synchronized (LISTENER_LOCK) {
2466			this.mOnMucRosterUpdate.remove(listener);
2467			remainingListeners = checkListeners();
2468		}
2469		if (remainingListeners) {
2470			switchToBackground();
2471		}
2472	}
2473
2474	public boolean checkListeners() {
2475		return (this.mOnAccountUpdates.size() == 0
2476				&& this.mOnConversationUpdates.size() == 0
2477				&& this.mOnRosterUpdates.size() == 0
2478				&& this.mOnCaptchaRequested.size() == 0
2479				&& this.mOnMucRosterUpdate.size() == 0
2480				&& this.mOnUpdateBlocklist.size() == 0
2481				&& this.mOnShowErrorToasts.size() == 0
2482				&& this.mOnKeyStatusUpdated.size() == 0);
2483	}
2484
2485	private void switchToForeground() {
2486		final boolean broadcastLastActivity = broadcastLastActivity();
2487		for (Conversation conversation : getConversations()) {
2488			if (conversation.getMode() == Conversation.MODE_MULTI) {
2489				conversation.getMucOptions().resetChatState();
2490			} else {
2491				conversation.setIncomingChatState(Config.DEFAULT_CHATSTATE);
2492			}
2493		}
2494		for (Account account : getAccounts()) {
2495			if (account.getStatus() == Account.State.ONLINE) {
2496				account.deactivateGracePeriod();
2497				final XmppConnection connection = account.getXmppConnection();
2498				if (connection != null) {
2499					if (connection.getFeatures().csi()) {
2500						connection.sendActive();
2501					}
2502					if (broadcastLastActivity) {
2503						sendPresence(account, false); //send new presence but don't include idle because we are not
2504					}
2505				}
2506			}
2507		}
2508		Log.d(Config.LOGTAG, "app switched into foreground");
2509	}
2510
2511	private void switchToBackground() {
2512		final boolean broadcastLastActivity = broadcastLastActivity();
2513		if (broadcastLastActivity) {
2514			mLastActivity = System.currentTimeMillis();
2515			final SharedPreferences.Editor editor = getPreferences().edit();
2516			editor.putLong(SETTING_LAST_ACTIVITY_TS, mLastActivity);
2517			editor.apply();
2518		}
2519		for (Account account : getAccounts()) {
2520			if (account.getStatus() == Account.State.ONLINE) {
2521				XmppConnection connection = account.getXmppConnection();
2522				if (connection != null) {
2523					if (broadcastLastActivity) {
2524						sendPresence(account, true);
2525					}
2526					if (connection.getFeatures().csi()) {
2527						connection.sendInactive();
2528					}
2529				}
2530			}
2531		}
2532		this.mNotificationService.setIsInForeground(false);
2533		Log.d(Config.LOGTAG, "app switched into background");
2534	}
2535
2536	private void connectMultiModeConversations(Account account) {
2537		List<Conversation> conversations = getConversations();
2538		for (Conversation conversation : conversations) {
2539			if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
2540				joinMuc(conversation);
2541			}
2542		}
2543	}
2544
2545	public void mucSelfPingAndRejoin(final Conversation conversation) {
2546	    final Account account = conversation.getAccount();
2547	    synchronized (account.inProgressConferenceJoins) {
2548            if (account.inProgressConferenceJoins.contains(conversation)) {
2549                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because join is already under way");
2550                return;
2551            }
2552        }
2553        synchronized (account.inProgressConferencePings) {
2554	        if (!account.inProgressConferencePings.add(conversation)) {
2555	            Log.d(Config.LOGTAG, account.getJid().asBareJid()+": canceling muc self ping because ping is already under way");
2556	            return;
2557            }
2558        }
2559	    final Jid self = conversation.getMucOptions().getSelf().getFullJid();
2560	    final IqPacket ping = new IqPacket(IqPacket.TYPE.GET);
2561	    ping.setTo(self);
2562	    ping.addChild("ping", Namespace.PING);
2563	    sendIqPacket(conversation.getAccount(), ping, (a, response) -> {
2564	        if (response.getType() == IqPacket.TYPE.ERROR) {
2565	            Element error = response.findChild("error");
2566	            if (error == null || error.hasChild("service-unavailable") || error.hasChild("feature-not-implemented") || error.hasChild("item-not-found")) {
2567	                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": ping to "+self+" came back as ignorable error");
2568                } else {
2569	                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": ping to "+self+" failed. attempting rejoin");
2570	                joinMuc(conversation);
2571                }
2572            } else if (response.getType() == IqPacket.TYPE.RESULT) {
2573	            Log.d(Config.LOGTAG,a.getJid().asBareJid()+": ping to "+self+" came back fine");
2574            }
2575	        synchronized (account.inProgressConferencePings) {
2576	            account.inProgressConferencePings.remove(conversation);
2577            }
2578        });
2579    }
2580
2581	public void joinMuc(Conversation conversation) {
2582		joinMuc(conversation, null, false);
2583	}
2584
2585	public void joinMuc(Conversation conversation, boolean followedInvite) {
2586		joinMuc(conversation, null, followedInvite);
2587	}
2588
2589	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2590		joinMuc(conversation, onConferenceJoined, false);
2591	}
2592
2593	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined, final boolean followedInvite) {
2594		final Account account = conversation.getAccount();
2595		synchronized (account.pendingConferenceJoins) {
2596            account.pendingConferenceJoins.remove(conversation);
2597        }
2598        synchronized (account.pendingConferenceLeaves) {
2599            account.pendingConferenceLeaves.remove(conversation);
2600        }
2601		if (account.getStatus() == Account.State.ONLINE) {
2602		    synchronized (account.inProgressConferenceJoins) {
2603                account.inProgressConferenceJoins.add(conversation);
2604            }
2605            if (Config.MUC_LEAVE_BEFORE_JOIN) {
2606                sendPresencePacket(account, mPresenceGenerator.leave(conversation.getMucOptions()));
2607            }
2608            conversation.resetMucOptions();
2609			if (onConferenceJoined != null) {
2610				conversation.getMucOptions().flagNoAutoPushConfiguration();
2611			}
2612			conversation.setHasMessagesLeftOnServer(false);
2613			fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
2614
2615				private void join(Conversation conversation) {
2616					Account account = conversation.getAccount();
2617					final MucOptions mucOptions = conversation.getMucOptions();
2618
2619					if (mucOptions.nonanonymous() && !mucOptions.membersOnly() && !conversation.getBooleanAttribute("accept_non_anonymous", false)) {
2620					    synchronized (account.inProgressConferenceJoins) {
2621                            account.inProgressConferenceJoins.remove(conversation);
2622                        }
2623					    mucOptions.setError(MucOptions.Error.NON_ANONYMOUS);
2624					    updateConversationUi();
2625                        if (onConferenceJoined != null) {
2626                            onConferenceJoined.onConferenceJoined(conversation);
2627                        }
2628					    return;
2629                    }
2630
2631					final Jid joinJid = mucOptions.getSelf().getFullJid();
2632					Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": joining conversation " + joinJid.toString());
2633					PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous() || onConferenceJoined != null);
2634					packet.setTo(joinJid);
2635					Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
2636					if (conversation.getMucOptions().getPassword() != null) {
2637						x.addChild("password").setContent(mucOptions.getPassword());
2638					}
2639
2640					if (mucOptions.mamSupport()) {
2641						// Use MAM instead of the limited muc history to get history
2642						x.addChild("history").setAttribute("maxchars", "0");
2643					} else {
2644						// Fallback to muc history
2645						x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted().getTimestamp()));
2646					}
2647					sendPresencePacket(account, packet);
2648					if (onConferenceJoined != null) {
2649						onConferenceJoined.onConferenceJoined(conversation);
2650					}
2651					if (!joinJid.equals(conversation.getJid())) {
2652						conversation.setContactJid(joinJid);
2653						databaseBackend.updateConversation(conversation);
2654					}
2655
2656					if (mucOptions.mamSupport()) {
2657						getMessageArchiveService().catchupMUC(conversation);
2658					}
2659					if (mucOptions.isPrivateAndNonAnonymous()) {
2660						fetchConferenceMembers(conversation);
2661						if (followedInvite && conversation.getBookmark() == null) {
2662							saveConversationAsBookmark(conversation, null);
2663						}
2664					}
2665					if (mucOptions.push()) {
2666					    enableMucPush(conversation);
2667                    }
2668					synchronized (account.inProgressConferenceJoins) {
2669                        account.inProgressConferenceJoins.remove(conversation);
2670                        sendUnsentMessages(conversation);
2671                    }
2672				}
2673
2674				@Override
2675				public void onConferenceConfigurationFetched(Conversation conversation) {
2676				    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2677				        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": conversation ("+conversation.getJid()+") got archived before IQ result");
2678				        return;
2679                    }
2680					join(conversation);
2681				}
2682
2683				@Override
2684				public void onFetchFailed(final Conversation conversation, Element error) {
2685                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2686                        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": conversation ("+conversation.getJid()+") got archived before IQ result");
2687
2688                        return;
2689                    }
2690					if (error != null && "remote-server-not-found".equals(error.getName())) {
2691					    synchronized (account.inProgressConferenceJoins) {
2692                            account.inProgressConferenceJoins.remove(conversation);
2693                        }
2694						conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
2695						updateConversationUi();
2696					} else {
2697						join(conversation);
2698						fetchConferenceConfiguration(conversation);
2699					}
2700				}
2701			});
2702			updateConversationUi();
2703		} else {
2704		    synchronized (account.pendingConferenceJoins) {
2705                account.pendingConferenceJoins.add(conversation);
2706            }
2707			conversation.resetMucOptions();
2708			conversation.setHasMessagesLeftOnServer(false);
2709			updateConversationUi();
2710		}
2711	}
2712
2713	private void enableDirectMucPush(final Conversation conversation) {
2714        final Account account = conversation.getAccount();
2715        final Jid room = conversation.getJid().asBareJid();
2716        final IqPacket enable = mIqGenerator.enablePush(conversation.getAccount().getJid(), conversation.getUuid(), null);
2717        enable.setTo(room);
2718        sendIqPacket(account, enable, (a, response) -> {
2719            if (response.getType() == IqPacket.TYPE.RESULT) {
2720                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": enabled direct push for muc "+room);
2721            } else if (response.getType() == IqPacket.TYPE.ERROR) {
2722                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": unable to enable direct push for muc "+room+" "+response.getError());
2723            }
2724        });
2725    }
2726
2727	private void enableMucPush(final Conversation conversation) {
2728	    enableDirectMucPush(conversation);
2729        mPushManagementService.registerPushTokenOnServer(conversation);
2730    }
2731
2732    private void disableDirectMucPush(final Conversation conversation) {
2733        final Account account = conversation.getAccount();
2734        final Jid room = conversation.getJid().asBareJid();
2735        final IqPacket disable = mIqGenerator.disablePush(conversation.getAccount().getJid(), conversation.getUuid());
2736        disable.setTo(room);
2737        sendIqPacket(account, disable, (a, response) -> {
2738            if (response.getType() == IqPacket.TYPE.RESULT) {
2739                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": disabled direct push for muc "+room);
2740            } else if (response.getType() == IqPacket.TYPE.ERROR) {
2741                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": unable to disable direct push for muc "+room+" "+response.getError());
2742            }
2743        });
2744    }
2745
2746	private void fetchConferenceMembers(final Conversation conversation) {
2747		final Account account = conversation.getAccount();
2748		final AxolotlService axolotlService = account.getAxolotlService();
2749		final String[] affiliations = {"member", "admin", "owner"};
2750		OnIqPacketReceived callback = new OnIqPacketReceived() {
2751
2752			private int i = 0;
2753			private boolean success = true;
2754
2755			@Override
2756			public void onIqPacketReceived(Account account, IqPacket packet) {
2757				final boolean omemoEnabled = conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL;
2758				Element query = packet.query("http://jabber.org/protocol/muc#admin");
2759				if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2760					for (Element child : query.getChildren()) {
2761						if ("item".equals(child.getName())) {
2762							MucOptions.User user = AbstractParser.parseItem(conversation, child);
2763							if (!user.realJidMatchesAccount()) {
2764								boolean isNew = conversation.getMucOptions().updateUser(user);
2765								Contact contact = user.getContact();
2766								if (omemoEnabled
2767										&& isNew
2768										&& user.getRealJid() != null
2769										&& (contact == null || !contact.mutualPresenceSubscription())
2770										&& axolotlService.hasEmptyDeviceList(user.getRealJid())) {
2771									axolotlService.fetchDeviceIds(user.getRealJid());
2772								}
2773							}
2774						}
2775					}
2776				} else {
2777					success = false;
2778					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not request affiliation " + affiliations[i] + " in " + conversation.getJid().asBareJid());
2779				}
2780				++i;
2781				if (i >= affiliations.length) {
2782					List<Jid> members = conversation.getMucOptions().getMembers(true);
2783					if (success) {
2784						List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
2785						boolean changed = false;
2786						for (ListIterator<Jid> iterator = cryptoTargets.listIterator(); iterator.hasNext(); ) {
2787							Jid jid = iterator.next();
2788							if (!members.contains(jid) && !members.contains(Jid.ofDomain(jid.getDomain()))) {
2789								iterator.remove();
2790								Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
2791								changed = true;
2792							}
2793						}
2794						if (changed) {
2795							conversation.setAcceptedCryptoTargets(cryptoTargets);
2796							updateConversation(conversation);
2797						}
2798					}
2799					getAvatarService().clear(conversation);
2800					updateMucRosterUi();
2801					updateConversationUi();
2802				}
2803			}
2804		};
2805		for (String affiliation : affiliations) {
2806			sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
2807		}
2808		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching members for " + conversation.getName());
2809	}
2810
2811	public void providePasswordForMuc(Conversation conversation, String password) {
2812		if (conversation.getMode() == Conversation.MODE_MULTI) {
2813			conversation.getMucOptions().setPassword(password);
2814			if (conversation.getBookmark() != null) {
2815			    final Bookmark bookmark = conversation.getBookmark();
2816				if (synchronizeWithBookmarks()) {
2817					bookmark.setAutojoin(true);
2818				}
2819				createBookmark(conversation.getAccount(), bookmark);
2820			}
2821			updateConversation(conversation);
2822			joinMuc(conversation);
2823		}
2824	}
2825
2826	private boolean hasEnabledAccounts() {
2827	    if (this.accounts == null) {
2828	        return false;
2829	    }
2830	    for (Account account : this.accounts) {
2831	        if (account.isEnabled()) {
2832	            return true;
2833	        }
2834	    }
2835	    return false;
2836	}
2837
2838
2839	public void getAttachments(final Conversation conversation, int limit, final OnMediaLoaded onMediaLoaded) {
2840        getAttachments(conversation.getAccount(), conversation.getJid().asBareJid(), limit, onMediaLoaded);
2841    }
2842
2843    public void getAttachments(final Account account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
2844        getAttachments(account.getUuid(),jid.asBareJid(),limit, onMediaLoaded);
2845    }
2846
2847
2848	public void getAttachments(final String account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
2849        new Thread(() -> onMediaLoaded.onMediaLoaded(fileBackend.convertToAttachments(databaseBackend.getRelativeFilePaths(account, jid, limit)))).start();
2850    }
2851
2852	public void persistSelfNick(MucOptions.User self) {
2853		final Conversation conversation = self.getConversation();
2854		final boolean tookProposedNickFromBookmark = conversation.getMucOptions().isTookProposedNickFromBookmark();
2855		Jid full = self.getFullJid();
2856		if (!full.equals(conversation.getJid())) {
2857			Log.d(Config.LOGTAG, "nick changed. updating");
2858			conversation.setContactJid(full);
2859			databaseBackend.updateConversation(conversation);
2860		}
2861
2862		final Bookmark bookmark = conversation.getBookmark();
2863		final String bookmarkedNick = bookmark == null ? null : bookmark.getNick();
2864        if (bookmark != null && (tookProposedNickFromBookmark || TextUtils.isEmpty(bookmarkedNick)) && !full.getResource().equals(bookmarkedNick)) {
2865            final Account account = conversation.getAccount();
2866            final String defaultNick = MucOptions.defaultNick(account);
2867            if (TextUtils.isEmpty(bookmarkedNick) && full.getResource().equals(defaultNick)) {
2868                Log.d(Config.LOGTAG,account.getJid().asBareJid()+": do not overwrite empty bookmark nick with default nick for "+conversation.getJid().asBareJid());
2869                return;
2870            }
2871            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": persist nick '" + full.getResource() + "' into bookmark for " + conversation.getJid().asBareJid());
2872            bookmark.setNick(full.getResource());
2873            createBookmark(bookmark.getAccount(), bookmark);
2874        }
2875	}
2876
2877	public boolean renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
2878		final MucOptions options = conversation.getMucOptions();
2879		final Jid joinJid = options.createJoinJid(nick);
2880		if (joinJid == null) {
2881			return false;
2882		}
2883		if (options.online()) {
2884			Account account = conversation.getAccount();
2885			options.setOnRenameListener(new OnRenameListener() {
2886
2887				@Override
2888				public void onSuccess() {
2889					callback.success(conversation);
2890				}
2891
2892				@Override
2893				public void onFailure() {
2894					callback.error(R.string.nick_in_use, conversation);
2895				}
2896			});
2897
2898            final PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, options.nonanonymous());
2899            packet.setTo(joinJid);
2900			sendPresencePacket(account, packet);
2901		} else {
2902			conversation.setContactJid(joinJid);
2903			databaseBackend.updateConversation(conversation);
2904			if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2905				Bookmark bookmark = conversation.getBookmark();
2906				if (bookmark != null) {
2907					bookmark.setNick(nick);
2908					createBookmark(bookmark.getAccount(), bookmark);
2909				}
2910				joinMuc(conversation);
2911			}
2912		}
2913		return true;
2914	}
2915
2916	public void leaveMuc(Conversation conversation) {
2917		leaveMuc(conversation, false);
2918	}
2919
2920	private void leaveMuc(Conversation conversation, boolean now) {
2921		final Account account = conversation.getAccount();
2922		synchronized (account.pendingConferenceJoins) {
2923            account.pendingConferenceJoins.remove(conversation);
2924        }
2925        synchronized (account.pendingConferenceLeaves) {
2926            account.pendingConferenceLeaves.remove(conversation);
2927        }
2928		if (account.getStatus() == Account.State.ONLINE || now) {
2929			sendPresencePacket(conversation.getAccount(), mPresenceGenerator.leave(conversation.getMucOptions()));
2930			conversation.getMucOptions().setOffline();
2931			Bookmark bookmark = conversation.getBookmark();
2932			if (bookmark != null) {
2933				bookmark.setConversation(null);
2934			}
2935			Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": leaving muc " + conversation.getJid());
2936		} else {
2937		    synchronized (account.pendingConferenceLeaves) {
2938                account.pendingConferenceLeaves.add(conversation);
2939            }
2940		}
2941	}
2942
2943	public String findConferenceServer(final Account account) {
2944		String server;
2945		if (account.getXmppConnection() != null) {
2946			server = account.getXmppConnection().getMucServer();
2947			if (server != null) {
2948				return server;
2949			}
2950		}
2951		for (Account other : getAccounts()) {
2952			if (other != account && other.getXmppConnection() != null) {
2953				server = other.getXmppConnection().getMucServer();
2954				if (server != null) {
2955					return server;
2956				}
2957			}
2958		}
2959		return null;
2960	}
2961
2962
2963	public void createPublicChannel(final Account account, final String name, final Jid address, final UiCallback<Conversation> callback) {
2964        joinMuc(findOrCreateConversation(account, address, true, false, true), conversation -> {
2965            final Bundle configuration = IqGenerator.defaultChannelConfiguration();
2966            if (!TextUtils.isEmpty(name)) {
2967                configuration.putString("muc#roomconfig_roomname", name);
2968            }
2969            pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
2970                @Override
2971                public void onPushSucceeded() {
2972                    saveConversationAsBookmark(conversation, name);
2973                    callback.success(conversation);
2974                }
2975
2976                @Override
2977                public void onPushFailed() {
2978                    if (conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
2979                        callback.error(R.string.unable_to_set_channel_configuration, conversation);
2980                    } else {
2981                        callback.error(R.string.joined_an_existing_channel, conversation);
2982                    }
2983                }
2984            });
2985        });
2986    }
2987
2988	public boolean createAdhocConference(final Account account,
2989	                                     final String name,
2990	                                     final Iterable<Jid> jids,
2991	                                     final UiCallback<Conversation> callback) {
2992		Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": creating adhoc conference with " + jids.toString());
2993		if (account.getStatus() == Account.State.ONLINE) {
2994			try {
2995				String server = findConferenceServer(account);
2996				if (server == null) {
2997					if (callback != null) {
2998						callback.error(R.string.no_conference_server_found, null);
2999					}
3000					return false;
3001				}
3002				final Jid jid = Jid.of(CryptoHelper.pronounceable(getRNG()), server, null);
3003				final Conversation conversation = findOrCreateConversation(account, jid, true, false, true);
3004				joinMuc(conversation, new OnConferenceJoined() {
3005					@Override
3006					public void onConferenceJoined(final Conversation conversation) {
3007						final Bundle configuration = IqGenerator.defaultGroupChatConfiguration();
3008						if (!TextUtils.isEmpty(name)) {
3009							configuration.putString("muc#roomconfig_roomname", name);
3010						}
3011						pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
3012							@Override
3013							public void onPushSucceeded() {
3014								for (Jid invite : jids) {
3015									invite(conversation, invite);
3016								}
3017								for(String resource : account.getSelfContact().getPresences().toResourceArray()) {
3018								    Jid other = account.getJid().withResource(resource);
3019								    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": sending direct invite to "+other);
3020								    directInvite(conversation, other);
3021                                }
3022								saveConversationAsBookmark(conversation, name);
3023								if (callback != null) {
3024									callback.success(conversation);
3025								}
3026							}
3027
3028							@Override
3029							public void onPushFailed() {
3030								archiveConversation(conversation);
3031								if (callback != null) {
3032									callback.error(R.string.conference_creation_failed, conversation);
3033								}
3034							}
3035						});
3036					}
3037				});
3038				return true;
3039			} catch (IllegalArgumentException e) {
3040				if (callback != null) {
3041					callback.error(R.string.conference_creation_failed, null);
3042				}
3043				return false;
3044			}
3045		} else {
3046			if (callback != null) {
3047				callback.error(R.string.not_connected_try_again, null);
3048			}
3049			return false;
3050		}
3051	}
3052
3053	public void fetchConferenceConfiguration(final Conversation conversation) {
3054		fetchConferenceConfiguration(conversation, null);
3055	}
3056
3057	public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
3058		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3059		request.setTo(conversation.getJid().asBareJid());
3060		request.query("http://jabber.org/protocol/disco#info");
3061		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3062			@Override
3063			public void onIqPacketReceived(Account account, IqPacket packet) {
3064				if (packet.getType() == IqPacket.TYPE.RESULT) {
3065                    final MucOptions mucOptions = conversation.getMucOptions();
3066                    final Bookmark bookmark = conversation.getBookmark();
3067                    final boolean sameBefore = StringUtils.equals(bookmark == null ? null : bookmark.getBookmarkName(), mucOptions.getName());
3068
3069                    if (mucOptions.updateConfiguration(new ServiceDiscoveryResult(packet))) {
3070                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": muc configuration changed for " + conversation.getJid().asBareJid());
3071                        updateConversation(conversation);
3072                    }
3073
3074                    if (bookmark != null && (sameBefore || bookmark.getBookmarkName() == null)) {
3075                        if (bookmark.setBookmarkName(StringUtils.nullOnEmpty(mucOptions.getName()))) {
3076                            createBookmark(account, bookmark);
3077                        }
3078                    }
3079
3080
3081                    if (callback != null) {
3082                        callback.onConferenceConfigurationFetched(conversation);
3083                    }
3084
3085
3086                    updateConversationUi();
3087                } else if (packet.getType() == IqPacket.TYPE.TIMEOUT) {
3088                    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": received timeout waiting for conference configuration fetch");
3089				} else {
3090					if (callback != null) {
3091						callback.onFetchFailed(conversation, packet.getError());
3092					}
3093				}
3094			}
3095		});
3096	}
3097
3098	public void pushNodeConfiguration(Account account, final String node, final Bundle options, final OnConfigurationPushed callback) {
3099		pushNodeConfiguration(account, account.getJid().asBareJid(), node, options, callback);
3100	}
3101
3102	public void pushNodeConfiguration(Account account, final Jid jid, final String node, final Bundle options, final OnConfigurationPushed callback) {
3103        Log.d(Config.LOGTAG,"pushing node configuration");
3104		sendIqPacket(account, mIqGenerator.requestPubsubConfiguration(jid, node), new OnIqPacketReceived() {
3105			@Override
3106			public void onIqPacketReceived(Account account, IqPacket packet) {
3107				if (packet.getType() == IqPacket.TYPE.RESULT) {
3108					Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub#owner");
3109					Element configuration = pubsub == null ? null : pubsub.findChild("configure");
3110					Element x = configuration == null ? null : configuration.findChild("x", Namespace.DATA);
3111					if (x != null) {
3112						Data data = Data.parse(x);
3113						data.submit(options);
3114						sendIqPacket(account, mIqGenerator.publishPubsubConfiguration(jid, node, data), new OnIqPacketReceived() {
3115							@Override
3116							public void onIqPacketReceived(Account account, IqPacket packet) {
3117								if (packet.getType() == IqPacket.TYPE.RESULT && callback != null) {
3118									Log.d(Config.LOGTAG,account.getJid().asBareJid()+": successfully changed node configuration for node "+node);
3119									callback.onPushSucceeded();
3120								} else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3121									callback.onPushFailed();
3122								}
3123							}
3124						});
3125					} else if (callback != null) {
3126						callback.onPushFailed();
3127					}
3128				} else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3129					callback.onPushFailed();
3130				}
3131			}
3132		});
3133	}
3134
3135	public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConfigurationPushed callback) {
3136	    if (options.getString("muc#roomconfig_whois","moderators").equals("anyone")) {
3137	        conversation.setAttribute("accept_non_anonymous",true);
3138            updateConversation(conversation);
3139        }
3140		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3141		request.setTo(conversation.getJid().asBareJid());
3142		request.query("http://jabber.org/protocol/muc#owner");
3143		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3144			@Override
3145			public void onIqPacketReceived(Account account, IqPacket packet) {
3146				if (packet.getType() == IqPacket.TYPE.RESULT) {
3147					Data data = Data.parse(packet.query().findChild("x", Namespace.DATA));
3148					data.submit(options);
3149					IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3150					set.setTo(conversation.getJid().asBareJid());
3151					set.query("http://jabber.org/protocol/muc#owner").addChild(data);
3152					sendIqPacket(account, set, new OnIqPacketReceived() {
3153						@Override
3154						public void onIqPacketReceived(Account account, IqPacket packet) {
3155							if (callback != null) {
3156								if (packet.getType() == IqPacket.TYPE.RESULT) {
3157									callback.onPushSucceeded();
3158								} else {
3159									callback.onPushFailed();
3160								}
3161							}
3162						}
3163					});
3164				} else {
3165					if (callback != null) {
3166						callback.onPushFailed();
3167					}
3168				}
3169			}
3170		});
3171	}
3172
3173	public void pushSubjectToConference(final Conversation conference, final String subject) {
3174		MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, StringUtils.nullOnEmpty(subject));
3175		this.sendMessagePacket(conference.getAccount(), packet);
3176	}
3177
3178	public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
3179		final Jid jid = user.asBareJid();
3180		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
3181		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
3182			@Override
3183			public void onIqPacketReceived(Account account, IqPacket packet) {
3184				if (packet.getType() == IqPacket.TYPE.RESULT) {
3185					conference.getMucOptions().changeAffiliation(jid, affiliation);
3186					getAvatarService().clear(conference);
3187					callback.onAffiliationChangedSuccessful(jid);
3188				} else {
3189					callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
3190				}
3191			}
3192		});
3193	}
3194
3195	public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
3196		List<Jid> jids = new ArrayList<>();
3197		for (MucOptions.User user : conference.getMucOptions().getUsers()) {
3198			if (user.getAffiliation() == before && user.getRealJid() != null) {
3199				jids.add(user.getRealJid());
3200			}
3201		}
3202		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
3203		sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
3204	}
3205
3206	public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role) {
3207		IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
3208		Log.d(Config.LOGTAG, request.toString());
3209		sendIqPacket(conference.getAccount(), request, (account, packet) -> {
3210            if (packet.getType() != IqPacket.TYPE.RESULT) {
3211                Log.d(Config.LOGTAG,account.getJid().asBareJid()+" unable to change role of "+nick);
3212            }
3213        });
3214	}
3215
3216    public void destroyRoom(final Conversation conversation, final OnRoomDestroy callback) {
3217        IqPacket request = new IqPacket(IqPacket.TYPE.SET);
3218        request.setTo(conversation.getJid().asBareJid());
3219        request.query("http://jabber.org/protocol/muc#owner").addChild("destroy");
3220        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3221            @Override
3222            public void onIqPacketReceived(Account account, IqPacket packet) {
3223                if (packet.getType() == IqPacket.TYPE.RESULT) {
3224                    if (callback != null) {
3225                        callback.onRoomDestroySucceeded();
3226                    }
3227                } else if (packet.getType() == IqPacket.TYPE.ERROR) {
3228                    if (callback != null) {
3229                        callback.onRoomDestroyFailed();
3230                    }
3231                }
3232            }
3233        });
3234    }
3235
3236	private void disconnect(Account account, boolean force) {
3237		if ((account.getStatus() == Account.State.ONLINE)
3238				|| (account.getStatus() == Account.State.DISABLED)) {
3239			final XmppConnection connection = account.getXmppConnection();
3240			if (!force) {
3241				List<Conversation> conversations = getConversations();
3242				for (Conversation conversation : conversations) {
3243					if (conversation.getAccount() == account) {
3244						if (conversation.getMode() == Conversation.MODE_MULTI) {
3245							leaveMuc(conversation, true);
3246						}
3247					}
3248				}
3249				sendOfflinePresence(account);
3250			}
3251			connection.disconnect(force);
3252		}
3253	}
3254
3255	@Override
3256	public IBinder onBind(Intent intent) {
3257		return mBinder;
3258	}
3259
3260	public void updateMessage(Message message) {
3261		updateMessage(message, true);
3262	}
3263
3264	public void updateMessage(Message message, boolean includeBody) {
3265		databaseBackend.updateMessage(message, includeBody);
3266		updateConversationUi();
3267	}
3268
3269	public void updateMessage(Message message, String uuid) {
3270		if (!databaseBackend.updateMessage(message, uuid)) {
3271            Log.e(Config.LOGTAG,"error updated message in DB after edit");
3272        }
3273		updateConversationUi();
3274	}
3275
3276	protected void syncDirtyContacts(Account account) {
3277		for (Contact contact : account.getRoster().getContacts()) {
3278			if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
3279				pushContactToServer(contact);
3280			}
3281			if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
3282				deleteContactOnServer(contact);
3283			}
3284		}
3285	}
3286
3287	public void createContact(Contact contact, boolean autoGrant) {
3288		if (autoGrant) {
3289			contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
3290			contact.setOption(Contact.Options.ASKING);
3291		}
3292		pushContactToServer(contact);
3293	}
3294
3295	public void pushContactToServer(final Contact contact) {
3296		contact.resetOption(Contact.Options.DIRTY_DELETE);
3297		contact.setOption(Contact.Options.DIRTY_PUSH);
3298		final Account account = contact.getAccount();
3299		if (account.getStatus() == Account.State.ONLINE) {
3300			final boolean ask = contact.getOption(Contact.Options.ASKING);
3301			final boolean sendUpdates = contact
3302					.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
3303					&& contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
3304			final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3305			iq.query(Namespace.ROSTER).addChild(contact.asElement());
3306			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3307			if (sendUpdates) {
3308				sendPresencePacket(account, mPresenceGenerator.sendPresenceUpdatesTo(contact));
3309			}
3310			if (ask) {
3311				sendPresencePacket(account, mPresenceGenerator.requestPresenceUpdatesFrom(contact));
3312			}
3313		} else {
3314			syncRoster(contact.getAccount());
3315		}
3316	}
3317
3318	public void publishMucAvatar(final Conversation conversation, final Uri image, final OnAvatarPublication callback) {
3319		new Thread(() -> {
3320			final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3321			final int size = Config.AVATAR_SIZE;
3322			final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3323			if (avatar != null) {
3324				if (!getFileBackend().save(avatar)) {
3325					callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3326					return;
3327				}
3328				avatar.owner = conversation.getJid().asBareJid();
3329				publishMucAvatar(conversation, avatar, callback);
3330			} else {
3331				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3332			}
3333		}).start();
3334	}
3335
3336	public void publishAvatar(final Account account, final Uri image, final OnAvatarPublication callback) {
3337		new Thread(() -> {
3338			final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3339			final int size = Config.AVATAR_SIZE;
3340			final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3341			if (avatar != null) {
3342				if (!getFileBackend().save(avatar)) {
3343					Log.d(Config.LOGTAG,"unable to save vcard");
3344					callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3345					return;
3346				}
3347				publishAvatar(account, avatar, callback);
3348			} else {
3349				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3350			}
3351		}).start();
3352
3353	}
3354
3355	private void publishMucAvatar(Conversation conversation, Avatar avatar, OnAvatarPublication callback) {
3356		final IqPacket retrieve = mIqGenerator.retrieveVcardAvatar(avatar);
3357		sendIqPacket(conversation.getAccount(), retrieve, (account, response) -> {
3358			boolean itemNotFound = response.getType() == IqPacket.TYPE.ERROR && response.hasChild("error") && response.findChild("error").hasChild("item-not-found");
3359			if (response.getType() == IqPacket.TYPE.RESULT || itemNotFound) {
3360				Element vcard = response.findChild("vCard", "vcard-temp");
3361				if (vcard == null) {
3362					vcard = new Element("vCard", "vcard-temp");
3363				}
3364				Element photo = vcard.findChild("PHOTO");
3365				if (photo == null) {
3366					photo = vcard.addChild("PHOTO");
3367				}
3368				photo.clearChildren();
3369				photo.addChild("TYPE").setContent(avatar.type);
3370				photo.addChild("BINVAL").setContent(avatar.image);
3371				IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
3372				publication.setTo(conversation.getJid().asBareJid());
3373				publication.addChild(vcard);
3374				sendIqPacket(account, publication, (a1, publicationResponse) -> {
3375					if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
3376						callback.onAvatarPublicationSucceeded();
3377					} else {
3378						Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getError());
3379						callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3380					}
3381				});
3382			} else {
3383				Log.d(Config.LOGTAG, "failed to request vcard " + response.toString());
3384				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_no_server_support);
3385			}
3386		});
3387	}
3388
3389    public void publishAvatar(Account account, final Avatar avatar, final OnAvatarPublication callback) {
3390        final Bundle options;
3391        if (account.getXmppConnection().getFeatures().pepPublishOptions()) {
3392            options = PublishOptions.openAccess();
3393        } else {
3394            options = null;
3395        }
3396        publishAvatar(account, avatar, options, true, callback);
3397    }
3398
3399	public void publishAvatar(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3400        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": publishing avatar. options="+options);
3401		IqPacket packet = this.mIqGenerator.publishAvatar(avatar, options);
3402		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3403
3404			@Override
3405			public void onIqPacketReceived(Account account, IqPacket result) {
3406				if (result.getType() == IqPacket.TYPE.RESULT) {
3407                    publishAvatarMetadata(account, avatar, options,true, callback);
3408                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3409				    pushNodeConfiguration(account, "urn:xmpp:avatar:data", options, new OnConfigurationPushed() {
3410                        @Override
3411                        public void onPushSucceeded() {
3412                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": changed node configuration for avatar node");
3413                            publishAvatar(account, avatar, options, false, callback);
3414                        }
3415
3416                        @Override
3417                        public void onPushFailed() {
3418                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to change node configuration for avatar node");
3419                            publishAvatar(account, avatar, null, false, callback);
3420                        }
3421                    });
3422				} else {
3423					Element error = result.findChild("error");
3424					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server rejected avatar " + (avatar.size / 1024) + "KiB " + (error != null ? error.toString() : ""));
3425					if (callback != null) {
3426						callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3427					}
3428				}
3429			}
3430		});
3431	}
3432
3433	public void publishAvatarMetadata(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3434        final IqPacket packet = XmppConnectionService.this.mIqGenerator.publishAvatarMetadata(avatar, options);
3435        sendIqPacket(account, packet, new OnIqPacketReceived() {
3436            @Override
3437            public void onIqPacketReceived(Account account, IqPacket result) {
3438                if (result.getType() == IqPacket.TYPE.RESULT) {
3439                    if (account.setAvatar(avatar.getFilename())) {
3440                        getAvatarService().clear(account);
3441                        databaseBackend.updateAccount(account);
3442                        notifyAccountAvatarHasChanged(account);
3443                    }
3444                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": published avatar " + (avatar.size / 1024) + "KiB");
3445                    if (callback != null) {
3446                        callback.onAvatarPublicationSucceeded();
3447                    }
3448                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3449                    pushNodeConfiguration(account, "urn:xmpp:avatar:metadata", options, new OnConfigurationPushed() {
3450                        @Override
3451                        public void onPushSucceeded() {
3452                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": changed node configuration for avatar meta data node");
3453                            publishAvatarMetadata(account, avatar, options,false, callback);
3454                        }
3455
3456                        @Override
3457                        public void onPushFailed() {
3458                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to change node configuration for avatar meta data node");
3459                            publishAvatarMetadata(account, avatar,  null,false, callback);
3460                        }
3461                    });
3462                } else {
3463                    if (callback != null) {
3464                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3465                    }
3466                }
3467            }
3468        });
3469    }
3470
3471	public void republishAvatarIfNeeded(Account account) {
3472		if (account.getAxolotlService().isPepBroken()) {
3473			Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping republication of avatar because pep is broken");
3474			return;
3475		}
3476		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3477		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3478
3479			private Avatar parseAvatar(IqPacket packet) {
3480				Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3481				if (pubsub != null) {
3482					Element items = pubsub.findChild("items");
3483					if (items != null) {
3484						return Avatar.parseMetadata(items);
3485					}
3486				}
3487				return null;
3488			}
3489
3490			private boolean errorIsItemNotFound(IqPacket packet) {
3491				Element error = packet.findChild("error");
3492				return packet.getType() == IqPacket.TYPE.ERROR
3493						&& error != null
3494						&& error.hasChild("item-not-found");
3495			}
3496
3497			@Override
3498			public void onIqPacketReceived(Account account, IqPacket packet) {
3499				if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
3500					Avatar serverAvatar = parseAvatar(packet);
3501					if (serverAvatar == null && account.getAvatar() != null) {
3502						Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
3503						if (avatar != null) {
3504							Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar on server was null. republishing");
3505							publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
3506						} else {
3507							Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": error rereading avatar");
3508						}
3509					}
3510				}
3511			}
3512		});
3513	}
3514
3515	public void fetchAvatar(Account account, Avatar avatar) {
3516		fetchAvatar(account, avatar, null);
3517	}
3518
3519	public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3520		final String KEY = generateFetchKey(account, avatar);
3521		synchronized (this.mInProgressAvatarFetches) {
3522		    if (mInProgressAvatarFetches.add(KEY)) {
3523                switch (avatar.origin) {
3524                    case PEP:
3525                        this.mInProgressAvatarFetches.add(KEY);
3526                        fetchAvatarPep(account, avatar, callback);
3527                        break;
3528                    case VCARD:
3529                        this.mInProgressAvatarFetches.add(KEY);
3530                        fetchAvatarVcard(account, avatar, callback);
3531                        break;
3532                }
3533            } else if (avatar.origin == Avatar.Origin.PEP) {
3534		        mOmittedPepAvatarFetches.add(KEY);
3535            } else {
3536		        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": already fetching "+avatar.origin+" avatar for "+avatar.owner);
3537            }
3538		}
3539	}
3540
3541	private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3542		IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
3543		sendIqPacket(account, packet, (a, result) -> {
3544			synchronized (mInProgressAvatarFetches) {
3545				mInProgressAvatarFetches.remove(generateFetchKey(a, avatar));
3546			}
3547			final String ERROR = a.getJid().asBareJid() + ": fetching avatar for " + avatar.owner + " failed ";
3548			if (result.getType() == IqPacket.TYPE.RESULT) {
3549				avatar.image = mIqParser.avatarData(result);
3550				if (avatar.image != null) {
3551					if (getFileBackend().save(avatar)) {
3552						if (a.getJid().asBareJid().equals(avatar.owner)) {
3553							if (a.setAvatar(avatar.getFilename())) {
3554								databaseBackend.updateAccount(a);
3555							}
3556							getAvatarService().clear(a);
3557							updateConversationUi();
3558							updateAccountUi();
3559						} else {
3560							Contact contact = a.getRoster().getContact(avatar.owner);
3561							if (contact.setAvatar(avatar)) {
3562								syncRoster(account);
3563								getAvatarService().clear(contact);
3564								updateConversationUi();
3565								updateRosterUi();
3566							}
3567						}
3568						if (callback != null) {
3569							callback.success(avatar);
3570						}
3571						Log.d(Config.LOGTAG, a.getJid().asBareJid()
3572								+ ": successfully fetched pep avatar for " + avatar.owner);
3573						return;
3574					}
3575				} else {
3576
3577					Log.d(Config.LOGTAG, ERROR + "(parsing error)");
3578				}
3579			} else {
3580				Element error = result.findChild("error");
3581				if (error == null) {
3582					Log.d(Config.LOGTAG, ERROR + "(server error)");
3583				} else {
3584					Log.d(Config.LOGTAG, ERROR + error.toString());
3585				}
3586			}
3587			if (callback != null) {
3588				callback.error(0, null);
3589			}
3590
3591		});
3592	}
3593
3594	private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3595		IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
3596		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3597			@Override
3598			public void onIqPacketReceived(Account account, IqPacket packet) {
3599			    final boolean previouslyOmittedPepFetch;
3600				synchronized (mInProgressAvatarFetches) {
3601				    final String KEY = generateFetchKey(account, avatar);
3602					mInProgressAvatarFetches.remove(KEY);
3603					previouslyOmittedPepFetch = mOmittedPepAvatarFetches.remove(KEY);
3604				}
3605				if (packet.getType() == IqPacket.TYPE.RESULT) {
3606					Element vCard = packet.findChild("vCard", "vcard-temp");
3607					Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
3608					String image = photo != null ? photo.findChildContent("BINVAL") : null;
3609					if (image != null) {
3610						avatar.image = image;
3611						if (getFileBackend().save(avatar)) {
3612							Log.d(Config.LOGTAG, account.getJid().asBareJid()
3613									+ ": successfully fetched vCard avatar for " + avatar.owner+" omittedPep="+previouslyOmittedPepFetch);
3614							if (avatar.owner.isBareJid()) {
3615								if (account.getJid().asBareJid().equals(avatar.owner) && account.getAvatar() == null) {
3616									Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": had no avatar. replacing with vcard");
3617									account.setAvatar(avatar.getFilename());
3618									databaseBackend.updateAccount(account);
3619									getAvatarService().clear(account);
3620									updateAccountUi();
3621								} else {
3622									Contact contact = account.getRoster().getContact(avatar.owner);
3623									if (contact.setAvatar(avatar, previouslyOmittedPepFetch)) {
3624										syncRoster(account);
3625										getAvatarService().clear(contact);
3626										updateRosterUi();
3627									}
3628								}
3629								updateConversationUi();
3630							} else {
3631								Conversation conversation = find(account, avatar.owner.asBareJid());
3632								if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
3633									MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
3634									if (user != null) {
3635										if (user.setAvatar(avatar)) {
3636											getAvatarService().clear(user);
3637											updateConversationUi();
3638											updateMucRosterUi();
3639										}
3640										if (user.getRealJid() != null) {
3641										    Contact contact = account.getRoster().getContact(user.getRealJid());
3642										    if (contact.setAvatar(avatar)) {
3643                                                syncRoster(account);
3644                                                getAvatarService().clear(contact);
3645                                                updateRosterUi();
3646                                            }
3647                                        }
3648									}
3649								}
3650							}
3651						}
3652					}
3653				}
3654			}
3655		});
3656	}
3657
3658	public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
3659		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3660		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3661
3662			@Override
3663			public void onIqPacketReceived(Account account, IqPacket packet) {
3664				if (packet.getType() == IqPacket.TYPE.RESULT) {
3665					Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3666					if (pubsub != null) {
3667						Element items = pubsub.findChild("items");
3668						if (items != null) {
3669							Avatar avatar = Avatar.parseMetadata(items);
3670							if (avatar != null) {
3671								avatar.owner = account.getJid().asBareJid();
3672								if (fileBackend.isAvatarCached(avatar)) {
3673									if (account.setAvatar(avatar.getFilename())) {
3674										databaseBackend.updateAccount(account);
3675									}
3676									getAvatarService().clear(account);
3677									callback.success(avatar);
3678								} else {
3679									fetchAvatarPep(account, avatar, callback);
3680								}
3681								return;
3682							}
3683						}
3684					}
3685				}
3686				callback.error(0, null);
3687			}
3688		});
3689	}
3690
3691	public void notifyAccountAvatarHasChanged(final Account account) {
3692	    final XmppConnection connection = account.getXmppConnection();
3693	    if (connection != null && connection.getFeatures().bookmarksConversion()) {
3694            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": avatar changed. resending presence to online group chats");
3695            for(Conversation conversation : conversations) {
3696                if (conversation.getAccount() == account && conversation.getMode() == Conversational.MODE_MULTI) {
3697                    final MucOptions mucOptions = conversation.getMucOptions();
3698                    if (mucOptions.online()) {
3699                        PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous());
3700                        packet.setTo(mucOptions.getSelf().getFullJid());
3701                        connection.sendPresencePacket(packet);
3702                    }
3703                }
3704            }
3705        }
3706    }
3707
3708	public void deleteContactOnServer(Contact contact) {
3709		contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
3710		contact.resetOption(Contact.Options.DIRTY_PUSH);
3711		contact.setOption(Contact.Options.DIRTY_DELETE);
3712		Account account = contact.getAccount();
3713		if (account.getStatus() == Account.State.ONLINE) {
3714			IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3715			Element item = iq.query(Namespace.ROSTER).addChild("item");
3716			item.setAttribute("jid", contact.getJid().toString());
3717			item.setAttribute("subscription", "remove");
3718			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3719		}
3720	}
3721
3722	public void updateConversation(final Conversation conversation) {
3723		mDatabaseWriterExecutor.execute(() -> databaseBackend.updateConversation(conversation));
3724	}
3725
3726	private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
3727		synchronized (account) {
3728			XmppConnection connection = account.getXmppConnection();
3729			if (connection == null) {
3730				connection = createConnection(account);
3731				account.setXmppConnection(connection);
3732			}
3733			boolean hasInternet = hasInternetConnection();
3734			if (account.isEnabled() && hasInternet) {
3735				if (!force) {
3736					disconnect(account, false);
3737				}
3738				Thread thread = new Thread(connection);
3739				connection.setInteractive(interactive);
3740				connection.prepareNewConnection();
3741				connection.interrupt();
3742				thread.start();
3743				scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
3744			} else {
3745				disconnect(account, force || account.getTrueStatus().isError() || !hasInternet);
3746				account.getRoster().clearPresences();
3747				connection.resetEverything();
3748				final AxolotlService axolotlService = account.getAxolotlService();
3749				if (axolotlService != null) {
3750					axolotlService.resetBrokenness();
3751				}
3752				if (!hasInternet) {
3753					account.setStatus(Account.State.NO_INTERNET);
3754				}
3755			}
3756		}
3757	}
3758
3759	public void reconnectAccountInBackground(final Account account) {
3760		new Thread(() -> reconnectAccount(account, false, true)).start();
3761	}
3762
3763	public void invite(Conversation conversation, Jid contact) {
3764		Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": inviting " + contact + " to " + conversation.getJid().asBareJid());
3765		MessagePacket packet = mMessageGenerator.invite(conversation, contact);
3766		sendMessagePacket(conversation.getAccount(), packet);
3767	}
3768
3769	public void directInvite(Conversation conversation, Jid jid) {
3770		MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
3771		sendMessagePacket(conversation.getAccount(), packet);
3772	}
3773
3774	public void resetSendingToWaiting(Account account) {
3775		for (Conversation conversation : getConversations()) {
3776			if (conversation.getAccount() == account) {
3777				conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
3778			}
3779		}
3780	}
3781
3782	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
3783		return markMessage(account, recipient, uuid, status, null);
3784	}
3785
3786	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
3787		if (uuid == null) {
3788			return null;
3789		}
3790		for (Conversation conversation : getConversations()) {
3791			if (conversation.getJid().asBareJid().equals(recipient) && conversation.getAccount() == account) {
3792				final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
3793				if (message != null) {
3794					markMessage(message, status, errorMessage);
3795				}
3796				return message;
3797			}
3798		}
3799		return null;
3800	}
3801
3802	public boolean markMessage(Conversation conversation, String uuid, int status, String serverMessageId) {
3803		if (uuid == null) {
3804			return false;
3805		} else {
3806			Message message = conversation.findSentMessageWithUuid(uuid);
3807			if (message != null) {
3808				if (message.getServerMsgId() == null) {
3809					message.setServerMsgId(serverMessageId);
3810				}
3811				markMessage(message, status);
3812				return true;
3813			} else {
3814				return false;
3815			}
3816		}
3817	}
3818
3819	public void markMessage(Message message, int status) {
3820		markMessage(message, status, null);
3821	}
3822
3823
3824	public void markMessage(Message message, int status, String errorMessage) {
3825		final int oldStatus = message.getStatus();
3826		if (status == Message.STATUS_SEND_FAILED && (oldStatus == Message.STATUS_SEND_RECEIVED || oldStatus == Message.STATUS_SEND_DISPLAYED)) {
3827			return;
3828		}
3829		if (status == Message.STATUS_SEND_RECEIVED && oldStatus == Message.STATUS_SEND_DISPLAYED) {
3830			return;
3831		}
3832		message.setErrorMessage(errorMessage);
3833		message.setStatus(status);
3834		databaseBackend.updateMessage(message, false);
3835		updateConversationUi();
3836	}
3837
3838	private SharedPreferences getPreferences() {
3839		return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
3840	}
3841
3842	public long getAutomaticMessageDeletionDate() {
3843		final long timeout = getLongPreference(SettingsActivity.AUTOMATIC_MESSAGE_DELETION, R.integer.automatic_message_deletion);
3844		return timeout == 0 ? timeout : (System.currentTimeMillis() - (timeout * 1000));
3845	}
3846
3847	public long getLongPreference(String name, @IntegerRes int res) {
3848		long defaultValue = getResources().getInteger(res);
3849		try {
3850			return Long.parseLong(getPreferences().getString(name, String.valueOf(defaultValue)));
3851		} catch (NumberFormatException e) {
3852			return defaultValue;
3853		}
3854	}
3855
3856	public boolean getBooleanPreference(String name, @BoolRes int res) {
3857		return getPreferences().getBoolean(name, getResources().getBoolean(res));
3858	}
3859
3860	public boolean confirmMessages() {
3861		return getBooleanPreference("confirm_messages", R.bool.confirm_messages);
3862	}
3863
3864	public boolean allowMessageCorrection() {
3865		return getBooleanPreference("allow_message_correction", R.bool.allow_message_correction);
3866	}
3867
3868	public boolean sendChatStates() {
3869		return getBooleanPreference("chat_states", R.bool.chat_states);
3870	}
3871
3872	private boolean synchronizeWithBookmarks() {
3873		return getBooleanPreference("autojoin", R.bool.autojoin);
3874	}
3875
3876	public boolean indicateReceived() {
3877		return getBooleanPreference("indicate_received", R.bool.indicate_received);
3878	}
3879
3880	public boolean useTorToConnect() {
3881		return QuickConversationsService.isConversations() && getBooleanPreference("use_tor", R.bool.use_tor);
3882	}
3883
3884	public boolean showExtendedConnectionOptions() {
3885		return QuickConversationsService.isConversations() && getBooleanPreference("show_connection_options", R.bool.show_connection_options);
3886	}
3887
3888	public boolean broadcastLastActivity() {
3889		return getBooleanPreference(SettingsActivity.BROADCAST_LAST_ACTIVITY, R.bool.last_activity);
3890	}
3891
3892	public int unreadCount() {
3893		int count = 0;
3894		for (Conversation conversation : getConversations()) {
3895			count += conversation.unreadCount();
3896		}
3897		return count;
3898	}
3899
3900
3901	private <T> List<T> threadSafeList(Set<T> set) {
3902		synchronized (LISTENER_LOCK) {
3903			return set.size() == 0 ? Collections.emptyList() : new ArrayList<>(set);
3904		}
3905	}
3906
3907	public void showErrorToastInUi(int resId) {
3908		for (OnShowErrorToast listener : threadSafeList(this.mOnShowErrorToasts)) {
3909			listener.onShowErrorToast(resId);
3910		}
3911	}
3912
3913	public void updateConversationUi() {
3914		for (OnConversationUpdate listener : threadSafeList(this.mOnConversationUpdates)) {
3915			listener.onConversationUpdate();
3916		}
3917	}
3918
3919	public void updateAccountUi() {
3920		for (OnAccountUpdate listener : threadSafeList(this.mOnAccountUpdates)) {
3921			listener.onAccountUpdate();
3922		}
3923	}
3924
3925	public void updateRosterUi() {
3926		for (OnRosterUpdate listener : threadSafeList(this.mOnRosterUpdates)) {
3927			listener.onRosterUpdate();
3928		}
3929	}
3930
3931	public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
3932		if (mOnCaptchaRequested.size() > 0) {
3933			DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
3934			Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
3935					(int) (captcha.getHeight() * metrics.scaledDensity), false);
3936			for (OnCaptchaRequested listener : threadSafeList(this.mOnCaptchaRequested)) {
3937				listener.onCaptchaRequested(account, id, data, scaled);
3938			}
3939			return true;
3940		}
3941		return false;
3942	}
3943
3944	public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
3945		for (OnUpdateBlocklist listener : threadSafeList(this.mOnUpdateBlocklist)) {
3946			listener.OnUpdateBlocklist(status);
3947		}
3948	}
3949
3950	public void updateMucRosterUi() {
3951		for (OnMucRosterUpdate listener : threadSafeList(this.mOnMucRosterUpdate)) {
3952			listener.onMucRosterUpdate();
3953		}
3954	}
3955
3956	public void keyStatusUpdated(AxolotlService.FetchStatus report) {
3957		for (OnKeyStatusUpdated listener : threadSafeList(this.mOnKeyStatusUpdated)) {
3958			listener.onKeyStatusUpdated(report);
3959		}
3960	}
3961
3962	public Account findAccountByJid(final Jid accountJid) {
3963		for (Account account : this.accounts) {
3964			if (account.getJid().asBareJid().equals(accountJid.asBareJid())) {
3965				return account;
3966			}
3967		}
3968		return null;
3969	}
3970
3971	public Account findAccountByUuid(final String uuid) {
3972		for(Account account : this.accounts) {
3973			if (account.getUuid().equals(uuid)) {
3974				return account;
3975			}
3976		}
3977		return null;
3978	}
3979
3980	public Conversation findConversationByUuid(String uuid) {
3981		for (Conversation conversation : getConversations()) {
3982			if (conversation.getUuid().equals(uuid)) {
3983				return conversation;
3984			}
3985		}
3986		return null;
3987	}
3988
3989	public Conversation findUniqueConversationByJid(XmppUri xmppUri) {
3990		List<Conversation> findings = new ArrayList<>();
3991		for (Conversation c : getConversations()) {
3992			if (c.getAccount().isEnabled() && c.getJid().asBareJid().equals(xmppUri.getJid()) && ((c.getMode() == Conversational.MODE_MULTI) == xmppUri.isAction(XmppUri.ACTION_JOIN))) {
3993				findings.add(c);
3994			}
3995		}
3996		return findings.size() == 1 ? findings.get(0) : null;
3997	}
3998
3999	public boolean markRead(final Conversation conversation, boolean dismiss) {
4000		return markRead(conversation, null, dismiss).size() > 0;
4001	}
4002
4003	public void markRead(final Conversation conversation) {
4004		markRead(conversation, null, true);
4005	}
4006
4007	public List<Message> markRead(final Conversation conversation, String upToUuid, boolean dismiss) {
4008		if (dismiss) {
4009			mNotificationService.clear(conversation);
4010		}
4011		final List<Message> readMessages = conversation.markRead(upToUuid);
4012		if (readMessages.size() > 0) {
4013			Runnable runnable = () -> {
4014				for (Message message : readMessages) {
4015					databaseBackend.updateMessage(message, false);
4016				}
4017			};
4018			mDatabaseWriterExecutor.execute(runnable);
4019			updateUnreadCountBadge();
4020			return readMessages;
4021		} else {
4022			return readMessages;
4023		}
4024	}
4025
4026	public synchronized void updateUnreadCountBadge() {
4027		int count = unreadCount();
4028		if (unreadCount != count) {
4029			Log.d(Config.LOGTAG, "update unread count to " + count);
4030			if (count > 0) {
4031				ShortcutBadger.applyCount(getApplicationContext(), count);
4032			} else {
4033				ShortcutBadger.removeCount(getApplicationContext());
4034			}
4035			unreadCount = count;
4036		}
4037	}
4038
4039	public void sendReadMarker(final Conversation conversation, String upToUuid) {
4040		final boolean isPrivateAndNonAnonymousMuc = conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous();
4041		final List<Message> readMessages = this.markRead(conversation, upToUuid, true);
4042		if (readMessages.size() > 0) {
4043			updateConversationUi();
4044		}
4045		final Message markable = Conversation.getLatestMarkableMessage(readMessages, isPrivateAndNonAnonymousMuc);
4046		if (confirmMessages()
4047				&& markable != null
4048				&& (markable.trusted() || isPrivateAndNonAnonymousMuc)
4049				&& markable.getRemoteMsgId() != null) {
4050			Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
4051			Account account = conversation.getAccount();
4052			final Jid to = markable.getCounterpart();
4053			final boolean groupChat = conversation.getMode() == Conversation.MODE_MULTI;
4054			MessagePacket packet = mMessageGenerator.confirm(account, to, markable.getRemoteMsgId(), markable.getCounterpart(), groupChat);
4055			this.sendMessagePacket(conversation.getAccount(), packet);
4056		}
4057	}
4058
4059	public SecureRandom getRNG() {
4060		return this.mRandom;
4061	}
4062
4063	public MemorizingTrustManager getMemorizingTrustManager() {
4064		return this.mMemorizingTrustManager;
4065	}
4066
4067	public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
4068		this.mMemorizingTrustManager = trustManager;
4069	}
4070
4071	public void updateMemorizingTrustmanager() {
4072		final MemorizingTrustManager tm;
4073		final boolean dontTrustSystemCAs = getBooleanPreference("dont_trust_system_cas", R.bool.dont_trust_system_cas);
4074		if (dontTrustSystemCAs) {
4075			tm = new MemorizingTrustManager(getApplicationContext(), null);
4076		} else {
4077			tm = new MemorizingTrustManager(getApplicationContext());
4078		}
4079		setMemorizingTrustManager(tm);
4080	}
4081
4082	public LruCache<String, Bitmap> getBitmapCache() {
4083		return this.mBitmapCache;
4084	}
4085
4086	public Collection<String> getKnownHosts() {
4087		final Set<String> hosts = new HashSet<>();
4088		for (final Account account : getAccounts()) {
4089			hosts.add(account.getServer());
4090			for (final Contact contact : account.getRoster().getContacts()) {
4091				if (contact.showInRoster()) {
4092					final String server = contact.getServer();
4093					if (server != null) {
4094						hosts.add(server);
4095					}
4096				}
4097			}
4098		}
4099		if (Config.QUICKSY_DOMAIN != null) {
4100		    hosts.remove(Config.QUICKSY_DOMAIN); //we only want to show this when we type a e164 number
4101        }
4102		if (Config.DOMAIN_LOCK != null) {
4103			hosts.add(Config.DOMAIN_LOCK);
4104		}
4105		if (Config.MAGIC_CREATE_DOMAIN != null) {
4106			hosts.add(Config.MAGIC_CREATE_DOMAIN);
4107		}
4108		return hosts;
4109	}
4110
4111	public Collection<String> getKnownConferenceHosts() {
4112		final Set<String> mucServers = new HashSet<>();
4113		for (final Account account : accounts) {
4114			if (account.getXmppConnection() != null) {
4115				mucServers.addAll(account.getXmppConnection().getMucServers());
4116				for (Bookmark bookmark : account.getBookmarks()) {
4117					final Jid jid = bookmark.getJid();
4118					final String s = jid == null ? null : jid.getDomain();
4119					if (s != null) {
4120						mucServers.add(s);
4121					}
4122				}
4123			}
4124		}
4125		return mucServers;
4126	}
4127
4128	public void sendMessagePacket(Account account, MessagePacket packet) {
4129		XmppConnection connection = account.getXmppConnection();
4130		if (connection != null) {
4131			connection.sendMessagePacket(packet);
4132		}
4133	}
4134
4135	public void sendPresencePacket(Account account, PresencePacket packet) {
4136		XmppConnection connection = account.getXmppConnection();
4137		if (connection != null) {
4138			connection.sendPresencePacket(packet);
4139		}
4140	}
4141
4142	public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
4143		final XmppConnection connection = account.getXmppConnection();
4144		if (connection != null) {
4145			IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
4146			connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener, true);
4147		}
4148	}
4149
4150	public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
4151		final XmppConnection connection = account.getXmppConnection();
4152		if (connection != null) {
4153			connection.sendIqPacket(packet, callback);
4154		} else if (callback != null) {
4155		    callback.onIqPacketReceived(account,new IqPacket(IqPacket.TYPE.TIMEOUT));
4156        }
4157	}
4158
4159	public void sendPresence(final Account account) {
4160		sendPresence(account, checkListeners() && broadcastLastActivity());
4161	}
4162
4163	private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
4164		Presence.Status status;
4165		if (manuallyChangePresence()) {
4166			status = account.getPresenceStatus();
4167		} else {
4168			status = getTargetPresence();
4169		}
4170		final PresencePacket packet = mPresenceGenerator.selfPresence(account, status);
4171		if (mLastActivity > 0 && includeIdleTimestamp) {
4172			long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
4173			packet.addChild("idle", Namespace.IDLE).setAttribute("since", AbstractGenerator.getTimestamp(since));
4174		}
4175		sendPresencePacket(account, packet);
4176	}
4177
4178	private void deactivateGracePeriod() {
4179		for (Account account : getAccounts()) {
4180			account.deactivateGracePeriod();
4181		}
4182	}
4183
4184	public void refreshAllPresences() {
4185		boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
4186		for (Account account : getAccounts()) {
4187			if (account.isEnabled()) {
4188				sendPresence(account, includeIdleTimestamp);
4189			}
4190		}
4191	}
4192
4193	private void refreshAllFcmTokens() {
4194		for (Account account : getAccounts()) {
4195			if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
4196				mPushManagementService.registerPushTokenOnServer(account);
4197				//TODO renew mucs
4198			}
4199		}
4200	}
4201
4202	private void sendOfflinePresence(final Account account) {
4203		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending offline presence");
4204		sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
4205	}
4206
4207	public MessageGenerator getMessageGenerator() {
4208		return this.mMessageGenerator;
4209	}
4210
4211	public PresenceGenerator getPresenceGenerator() {
4212		return this.mPresenceGenerator;
4213	}
4214
4215	public IqGenerator getIqGenerator() {
4216		return this.mIqGenerator;
4217	}
4218
4219	public IqParser getIqParser() {
4220		return this.mIqParser;
4221	}
4222
4223	public JingleConnectionManager getJingleConnectionManager() {
4224		return this.mJingleConnectionManager;
4225	}
4226
4227	public MessageArchiveService getMessageArchiveService() {
4228		return this.mMessageArchiveService;
4229	}
4230
4231	public QuickConversationsService getQuickConversationsService() {
4232        return this.mQuickConversationsService;
4233    }
4234
4235	public List<Contact> findContacts(Jid jid, String accountJid) {
4236		ArrayList<Contact> contacts = new ArrayList<>();
4237		for (Account account : getAccounts()) {
4238			if ((account.isEnabled() || accountJid != null)
4239					&& (accountJid == null || accountJid.equals(account.getJid().asBareJid().toString()))) {
4240				Contact contact = account.getRoster().getContactFromContactList(jid);
4241				if (contact != null) {
4242					contacts.add(contact);
4243				}
4244			}
4245		}
4246		return contacts;
4247	}
4248
4249	public Conversation findFirstMuc(Jid jid) {
4250		for (Conversation conversation : getConversations()) {
4251			if (conversation.getAccount().isEnabled() && conversation.getJid().asBareJid().equals(jid.asBareJid()) && conversation.getMode() == Conversation.MODE_MULTI) {
4252				return conversation;
4253			}
4254		}
4255		return null;
4256	}
4257
4258	public NotificationService getNotificationService() {
4259		return this.mNotificationService;
4260	}
4261
4262	public HttpConnectionManager getHttpConnectionManager() {
4263		return this.mHttpConnectionManager;
4264	}
4265
4266	public void resendFailedMessages(final Message message) {
4267		final Collection<Message> messages = new ArrayList<>();
4268		Message current = message;
4269		while (current.getStatus() == Message.STATUS_SEND_FAILED) {
4270			messages.add(current);
4271			if (current.mergeable(current.next())) {
4272				current = current.next();
4273			} else {
4274				break;
4275			}
4276		}
4277		for (final Message msg : messages) {
4278			msg.setTime(System.currentTimeMillis());
4279			markMessage(msg, Message.STATUS_WAITING);
4280			this.resendMessage(msg, false);
4281		}
4282		if (message.getConversation() instanceof Conversation) {
4283			((Conversation) message.getConversation()).sort();
4284		}
4285		updateConversationUi();
4286	}
4287
4288	public void clearConversationHistory(final Conversation conversation) {
4289		final long clearDate;
4290		final String reference;
4291		if (conversation.countMessages() > 0) {
4292			Message latestMessage = conversation.getLatestMessage();
4293			clearDate = latestMessage.getTimeSent() + 1000;
4294			reference = latestMessage.getServerMsgId();
4295		} else {
4296			clearDate = System.currentTimeMillis();
4297			reference = null;
4298		}
4299		conversation.clearMessages();
4300		conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
4301		conversation.setLastClearHistory(clearDate, reference);
4302		Runnable runnable = () -> {
4303			databaseBackend.deleteMessagesInConversation(conversation);
4304			databaseBackend.updateConversation(conversation);
4305		};
4306		mDatabaseWriterExecutor.execute(runnable);
4307	}
4308
4309	public boolean sendBlockRequest(final Blockable blockable, boolean reportSpam) {
4310		if (blockable != null && blockable.getBlockedJid() != null) {
4311			final Jid jid = blockable.getBlockedJid();
4312			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), (a, response) -> {
4313                if (response.getType() == IqPacket.TYPE.RESULT) {
4314                    a.getBlocklist().add(jid);
4315                    updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
4316                }
4317            });
4318			if (blockable.getBlockedJid().isFullJid()) {
4319			    return false;
4320            } else if (removeBlockedConversations(blockable.getAccount(), jid)) {
4321				updateConversationUi();
4322				return true;
4323			} else {
4324				return false;
4325			}
4326		} else {
4327			return false;
4328		}
4329	}
4330
4331	public boolean removeBlockedConversations(final Account account, final Jid blockedJid) {
4332		boolean removed = false;
4333		synchronized (this.conversations) {
4334			boolean domainJid = blockedJid.getLocal() == null;
4335			for (Conversation conversation : this.conversations) {
4336				boolean jidMatches = (domainJid && blockedJid.getDomain().equals(conversation.getJid().getDomain()))
4337						|| blockedJid.equals(conversation.getJid().asBareJid());
4338				if (conversation.getAccount() == account
4339						&& conversation.getMode() == Conversation.MODE_SINGLE
4340						&& jidMatches) {
4341					this.conversations.remove(conversation);
4342					markRead(conversation);
4343					conversation.setStatus(Conversation.STATUS_ARCHIVED);
4344					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conversation " + conversation.getJid().asBareJid() + " because jid was blocked");
4345					updateConversation(conversation);
4346					removed = true;
4347				}
4348			}
4349		}
4350		return removed;
4351	}
4352
4353	public void sendUnblockRequest(final Blockable blockable) {
4354		if (blockable != null && blockable.getJid() != null) {
4355			final Jid jid = blockable.getBlockedJid();
4356			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
4357				@Override
4358				public void onIqPacketReceived(final Account account, final IqPacket packet) {
4359					if (packet.getType() == IqPacket.TYPE.RESULT) {
4360						account.getBlocklist().remove(jid);
4361						updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
4362					}
4363				}
4364			});
4365		}
4366	}
4367
4368	public void publishDisplayName(Account account) {
4369		String displayName = account.getDisplayName();
4370		final IqPacket request;
4371		if (TextUtils.isEmpty(displayName)) {
4372            request = mIqGenerator.deleteNode(Namespace.NICK);
4373		} else {
4374            request = mIqGenerator.publishNick(displayName);
4375        }
4376        mAvatarService.clear(account);
4377        sendIqPacket(account, request, (account1, packet) -> {
4378            if (packet.getType() == IqPacket.TYPE.ERROR) {
4379                Log.d(Config.LOGTAG, account1.getJid().asBareJid() + ": unable to modify nick name "+packet.toString());
4380            }
4381        });
4382	}
4383
4384	public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
4385		ServiceDiscoveryResult result = discoCache.get(key);
4386		if (result != null) {
4387			return result;
4388		} else {
4389			result = databaseBackend.findDiscoveryResult(key.first, key.second);
4390			if (result != null) {
4391				discoCache.put(key, result);
4392			}
4393			return result;
4394		}
4395	}
4396
4397	public void fetchCaps(Account account, final Jid jid, final Presence presence) {
4398		final Pair<String, String> key = new Pair<>(presence.getHash(), presence.getVer());
4399		ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
4400		if (disco != null) {
4401			presence.setServiceDiscoveryResult(disco);
4402		} else {
4403			if (!account.inProgressDiscoFetches.contains(key)) {
4404				account.inProgressDiscoFetches.add(key);
4405				IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4406				request.setTo(jid);
4407				final String node = presence.getNode();
4408				final String ver = presence.getVer();
4409				final Element query = request.query("http://jabber.org/protocol/disco#info");
4410				if (node != null && ver != null) {
4411					query.setAttribute("node",node+"#"+ver);
4412				}
4413				Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": making disco request for " + key.second + " to " + jid);
4414				sendIqPacket(account, request, (a, response) -> {
4415					if (response.getType() == IqPacket.TYPE.RESULT) {
4416						ServiceDiscoveryResult discoveryResult = new ServiceDiscoveryResult(response);
4417						if (presence.getVer().equals(discoveryResult.getVer())) {
4418							databaseBackend.insertDiscoveryResult(discoveryResult);
4419							injectServiceDiscoveryResult(a.getRoster(), presence.getHash(), presence.getVer(), discoveryResult);
4420						} else {
4421							Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + discoveryResult.getVer());
4422						}
4423					}
4424					a.inProgressDiscoFetches.remove(key);
4425				});
4426			}
4427		}
4428	}
4429
4430	private void injectServiceDiscoveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
4431		for (Contact contact : roster.getContacts()) {
4432			for (Presence presence : contact.getPresences().getPresences().values()) {
4433				if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
4434					presence.setServiceDiscoveryResult(disco);
4435				}
4436			}
4437		}
4438	}
4439
4440	public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
4441		final MessageArchiveService.Version version = MessageArchiveService.Version.get(account);
4442		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4443		request.addChild("prefs", version.namespace);
4444		sendIqPacket(account, request, (account1, packet) -> {
4445			Element prefs = packet.findChild("prefs", version.namespace);
4446			if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
4447				callback.onPreferencesFetched(prefs);
4448			} else {
4449				callback.onPreferencesFetchFailed();
4450			}
4451		});
4452	}
4453
4454	public PushManagementService getPushManagementService() {
4455		return mPushManagementService;
4456	}
4457
4458	public void changeStatus(Account account, PresenceTemplate template, String signature) {
4459		if (!template.getStatusMessage().isEmpty()) {
4460			databaseBackend.insertPresenceTemplate(template);
4461		}
4462		account.setPgpSignature(signature);
4463		account.setPresenceStatus(template.getStatus());
4464		account.setPresenceStatusMessage(template.getStatusMessage());
4465		databaseBackend.updateAccount(account);
4466		sendPresence(account);
4467	}
4468
4469	public List<PresenceTemplate> getPresenceTemplates(Account account) {
4470		List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
4471		for (PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
4472			if (!templates.contains(template)) {
4473				templates.add(0, template);
4474			}
4475		}
4476		return templates;
4477	}
4478
4479	public void saveConversationAsBookmark(Conversation conversation, String name) {
4480		final Account account = conversation.getAccount();
4481		final Bookmark bookmark = new Bookmark(account, conversation.getJid().asBareJid());
4482		final String nick = conversation.getJid().getResource();
4483        if (nick != null && !nick.isEmpty() && !nick.equals(MucOptions.defaultNick(account))) {
4484            bookmark.setNick(nick);
4485        }
4486		if (!TextUtils.isEmpty(name)) {
4487			bookmark.setBookmarkName(name);
4488		}
4489		bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
4490		createBookmark(account, bookmark);
4491		bookmark.setConversation(conversation);
4492	}
4493
4494	public boolean verifyFingerprints(Contact contact, List<XmppUri.Fingerprint> fingerprints) {
4495		boolean performedVerification = false;
4496		final AxolotlService axolotlService = contact.getAccount().getAxolotlService();
4497		for (XmppUri.Fingerprint fp : fingerprints) {
4498			if (fp.type == XmppUri.FingerprintType.OMEMO) {
4499				String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4500				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4501				if (fingerprintStatus != null) {
4502					if (!fingerprintStatus.isVerified()) {
4503						performedVerification = true;
4504						axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4505					}
4506				} else {
4507					axolotlService.preVerifyFingerprint(contact, fingerprint);
4508				}
4509			}
4510		}
4511		return performedVerification;
4512	}
4513
4514	public boolean verifyFingerprints(Account account, List<XmppUri.Fingerprint> fingerprints) {
4515		final AxolotlService axolotlService = account.getAxolotlService();
4516		boolean verifiedSomething = false;
4517		for (XmppUri.Fingerprint fp : fingerprints) {
4518			if (fp.type == XmppUri.FingerprintType.OMEMO) {
4519				String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4520				Log.d(Config.LOGTAG, "trying to verify own fp=" + fingerprint);
4521				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4522				if (fingerprintStatus != null) {
4523					if (!fingerprintStatus.isVerified()) {
4524						axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4525						verifiedSomething = true;
4526					}
4527				} else {
4528					axolotlService.preVerifyFingerprint(account, fingerprint);
4529					verifiedSomething = true;
4530				}
4531			}
4532		}
4533		return verifiedSomething;
4534	}
4535
4536	public boolean blindTrustBeforeVerification() {
4537		return getBooleanPreference(SettingsActivity.BLIND_TRUST_BEFORE_VERIFICATION, R.bool.btbv);
4538	}
4539
4540	public ShortcutService getShortcutService() {
4541		return mShortcutService;
4542	}
4543
4544	public void pushMamPreferences(Account account, Element prefs) {
4545		IqPacket set = new IqPacket(IqPacket.TYPE.SET);
4546		set.addChild(prefs);
4547		sendIqPacket(account, set, null);
4548	}
4549
4550	public interface OnMamPreferencesFetched {
4551		void onPreferencesFetched(Element prefs);
4552
4553		void onPreferencesFetchFailed();
4554	}
4555
4556	public interface OnAccountCreated {
4557		void onAccountCreated(Account account);
4558
4559		void informUser(int r);
4560	}
4561
4562	public interface OnMoreMessagesLoaded {
4563		void onMoreMessagesLoaded(int count, Conversation conversation);
4564
4565		void informUser(int r);
4566	}
4567
4568	public interface OnAccountPasswordChanged {
4569		void onPasswordChangeSucceeded();
4570
4571		void onPasswordChangeFailed();
4572	}
4573
4574    public interface OnRoomDestroy {
4575        void onRoomDestroySucceeded();
4576
4577        void onRoomDestroyFailed();
4578    }
4579
4580	public interface OnAffiliationChanged {
4581		void onAffiliationChangedSuccessful(Jid jid);
4582
4583		void onAffiliationChangeFailed(Jid jid, int resId);
4584	}
4585
4586	public interface OnConversationUpdate {
4587		void onConversationUpdate();
4588	}
4589
4590	public interface OnAccountUpdate {
4591		void onAccountUpdate();
4592	}
4593
4594	public interface OnCaptchaRequested {
4595		void onCaptchaRequested(Account account, String id, Data data, Bitmap captcha);
4596	}
4597
4598	public interface OnRosterUpdate {
4599		void onRosterUpdate();
4600	}
4601
4602	public interface OnMucRosterUpdate {
4603		void onMucRosterUpdate();
4604	}
4605
4606	public interface OnConferenceConfigurationFetched {
4607		void onConferenceConfigurationFetched(Conversation conversation);
4608
4609		void onFetchFailed(Conversation conversation, Element error);
4610	}
4611
4612	public interface OnConferenceJoined {
4613		void onConferenceJoined(Conversation conversation);
4614	}
4615
4616	public interface OnConfigurationPushed {
4617		void onPushSucceeded();
4618
4619		void onPushFailed();
4620	}
4621
4622	public interface OnShowErrorToast {
4623		void onShowErrorToast(int resId);
4624	}
4625
4626	public class XmppConnectionBinder extends Binder {
4627		public XmppConnectionService getService() {
4628			return XmppConnectionService.this;
4629		}
4630	}
4631
4632	private class InternalEventReceiver extends BroadcastReceiver {
4633
4634        @Override
4635        public void onReceive(Context context, Intent intent) {
4636            onStartCommand(intent,0,0);
4637        }
4638    }
4639}