XmppConnectionService.java

   1package eu.siacs.conversations.services;
   2
   3import android.Manifest;
   4import android.annotation.SuppressLint;
   5import android.annotation.TargetApi;
   6import android.app.AlarmManager;
   7import android.app.Notification;
   8import android.app.NotificationManager;
   9import android.app.PendingIntent;
  10import android.app.Service;
  11import android.content.BroadcastReceiver;
  12import android.content.ComponentName;
  13import android.content.Context;
  14import android.content.Intent;
  15import android.content.IntentFilter;
  16import android.content.SharedPreferences;
  17import android.content.pm.PackageManager;
  18import android.database.ContentObserver;
  19import android.graphics.Bitmap;
  20import android.media.AudioManager;
  21import android.net.ConnectivityManager;
  22import android.net.NetworkInfo;
  23import android.net.Uri;
  24import android.os.Binder;
  25import android.os.Build;
  26import android.os.Bundle;
  27import android.os.Environment;
  28import android.os.IBinder;
  29import android.os.PowerManager;
  30import android.os.PowerManager.WakeLock;
  31import android.os.SystemClock;
  32import android.preference.PreferenceManager;
  33import android.provider.ContactsContract;
  34import android.security.KeyChain;
  35import android.support.annotation.BoolRes;
  36import android.support.annotation.IntegerRes;
  37import android.support.v4.app.RemoteInput;
  38import android.support.v4.content.ContextCompat;
  39import android.text.TextUtils;
  40import android.util.DisplayMetrics;
  41import android.util.Log;
  42import android.util.LruCache;
  43import android.util.Pair;
  44
  45import org.conscrypt.Conscrypt;
  46import org.openintents.openpgp.IOpenPgpService2;
  47import org.openintents.openpgp.util.OpenPgpApi;
  48import org.openintents.openpgp.util.OpenPgpServiceConnection;
  49
  50import java.io.File;
  51import java.net.URL;
  52import java.security.SecureRandom;
  53import java.security.Security;
  54import java.security.cert.CertificateException;
  55import java.security.cert.X509Certificate;
  56import java.util.ArrayList;
  57import java.util.Arrays;
  58import java.util.Collection;
  59import java.util.Collections;
  60import java.util.HashMap;
  61import java.util.HashSet;
  62import java.util.Hashtable;
  63import java.util.Iterator;
  64import java.util.List;
  65import java.util.ListIterator;
  66import java.util.Map;
  67import java.util.Set;
  68import java.util.WeakHashMap;
  69import java.util.concurrent.CopyOnWriteArrayList;
  70import java.util.concurrent.CountDownLatch;
  71import java.util.concurrent.ExecutorService;
  72import java.util.concurrent.Executors;
  73import java.util.concurrent.ThreadPoolExecutor;
  74import java.util.concurrent.atomic.AtomicBoolean;
  75import java.util.concurrent.atomic.AtomicLong;
  76
  77
  78import eu.siacs.conversations.Config;
  79import eu.siacs.conversations.R;
  80import eu.siacs.conversations.android.JabberIdContact;
  81import eu.siacs.conversations.crypto.OmemoSetting;
  82import eu.siacs.conversations.crypto.PgpDecryptionService;
  83import eu.siacs.conversations.crypto.PgpEngine;
  84import eu.siacs.conversations.crypto.axolotl.AxolotlService;
  85import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
  86import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
  87import eu.siacs.conversations.entities.Account;
  88import eu.siacs.conversations.entities.Blockable;
  89import eu.siacs.conversations.entities.Bookmark;
  90import eu.siacs.conversations.entities.Contact;
  91import eu.siacs.conversations.entities.Conversation;
  92import eu.siacs.conversations.entities.Conversational;
  93import eu.siacs.conversations.entities.Message;
  94import eu.siacs.conversations.entities.MucOptions;
  95import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
  96import eu.siacs.conversations.entities.Presence;
  97import eu.siacs.conversations.entities.PresenceTemplate;
  98import eu.siacs.conversations.entities.Roster;
  99import eu.siacs.conversations.entities.ServiceDiscoveryResult;
 100import eu.siacs.conversations.generator.AbstractGenerator;
 101import eu.siacs.conversations.generator.IqGenerator;
 102import eu.siacs.conversations.generator.MessageGenerator;
 103import eu.siacs.conversations.generator.PresenceGenerator;
 104import eu.siacs.conversations.http.HttpConnectionManager;
 105import eu.siacs.conversations.http.CustomURLStreamHandlerFactory;
 106import eu.siacs.conversations.http.services.MuclumbusService;
 107import eu.siacs.conversations.parser.AbstractParser;
 108import eu.siacs.conversations.parser.IqParser;
 109import eu.siacs.conversations.parser.MessageParser;
 110import eu.siacs.conversations.parser.PresenceParser;
 111import eu.siacs.conversations.persistance.DatabaseBackend;
 112import eu.siacs.conversations.persistance.FileBackend;
 113import eu.siacs.conversations.ui.ChooseAccountForProfilePictureActivity;
 114import eu.siacs.conversations.ui.SettingsActivity;
 115import eu.siacs.conversations.ui.UiCallback;
 116import eu.siacs.conversations.ui.interfaces.OnAvatarPublication;
 117import eu.siacs.conversations.ui.interfaces.OnMediaLoaded;
 118import eu.siacs.conversations.ui.interfaces.OnSearchResultsAvailable;
 119import eu.siacs.conversations.utils.Compatibility;
 120import eu.siacs.conversations.utils.ConversationsFileObserver;
 121import eu.siacs.conversations.utils.CryptoHelper;
 122import eu.siacs.conversations.utils.ExceptionHelper;
 123import eu.siacs.conversations.utils.MimeUtils;
 124import eu.siacs.conversations.utils.PhoneHelper;
 125import eu.siacs.conversations.utils.QuickLoader;
 126import eu.siacs.conversations.utils.ReplacingSerialSingleThreadExecutor;
 127import eu.siacs.conversations.utils.ReplacingTaskManager;
 128import eu.siacs.conversations.utils.Resolver;
 129import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
 130import eu.siacs.conversations.utils.StringUtils;
 131import eu.siacs.conversations.utils.WakeLockHelper;
 132import eu.siacs.conversations.xml.Namespace;
 133import eu.siacs.conversations.utils.XmppUri;
 134import eu.siacs.conversations.xml.Element;
 135import eu.siacs.conversations.xmpp.OnBindListener;
 136import eu.siacs.conversations.xmpp.OnContactStatusChanged;
 137import eu.siacs.conversations.xmpp.OnIqPacketReceived;
 138import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
 139import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
 140import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 141import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
 142import eu.siacs.conversations.xmpp.OnStatusChanged;
 143import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
 144import eu.siacs.conversations.xmpp.Patches;
 145import eu.siacs.conversations.xmpp.XmppConnection;
 146import eu.siacs.conversations.xmpp.chatstate.ChatState;
 147import eu.siacs.conversations.xmpp.forms.Data;
 148import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 149import eu.siacs.conversations.xmpp.jingle.OnJinglePacketReceived;
 150import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
 151import eu.siacs.conversations.xmpp.mam.MamReference;
 152import eu.siacs.conversations.xmpp.pep.Avatar;
 153import eu.siacs.conversations.xmpp.pep.PublishOptions;
 154import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 155import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 156import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 157import me.leolin.shortcutbadger.ShortcutBadger;
 158import retrofit2.Call;
 159import retrofit2.Callback;
 160import retrofit2.Response;
 161import retrofit2.Retrofit;
 162import retrofit2.converter.gson.GsonConverterFactory;
 163import rocks.xmpp.addr.Jid;
 164
 165public class XmppConnectionService extends Service {
 166
 167    public static final String ACTION_REPLY_TO_CONVERSATION = "reply_to_conversations";
 168    public static final String ACTION_MARK_AS_READ = "mark_as_read";
 169    public static final String ACTION_SNOOZE = "snooze";
 170    public static final String ACTION_CLEAR_NOTIFICATION = "clear_notification";
 171    public static final String ACTION_DISMISS_ERROR_NOTIFICATIONS = "dismiss_error";
 172    public static final String ACTION_TRY_AGAIN = "try_again";
 173    public static final String ACTION_IDLE_PING = "idle_ping";
 174    public static final String ACTION_FCM_TOKEN_REFRESH = "fcm_token_refresh";
 175    public static final String ACTION_FCM_MESSAGE_RECEIVED = "fcm_message_received";
 176    private static final String ACTION_POST_CONNECTIVITY_CHANGE = "eu.siacs.conversations.POST_CONNECTIVITY_CHANGE";
 177
 178    private static final String SETTING_LAST_ACTIVITY_TS = "last_activity_timestamp";
 179
 180    static {
 181        URL.setURLStreamHandlerFactory(new CustomURLStreamHandlerFactory());
 182    }
 183
 184    public final CountDownLatch restoredFromDatabaseLatch = new CountDownLatch(1);
 185    private final SerialSingleThreadExecutor mFileAddingExecutor = new SerialSingleThreadExecutor("FileAdding");
 186    private final SerialSingleThreadExecutor mVideoCompressionExecutor = new SerialSingleThreadExecutor("VideoCompression");
 187    private final SerialSingleThreadExecutor mDatabaseWriterExecutor = new SerialSingleThreadExecutor("DatabaseWriter");
 188    private final SerialSingleThreadExecutor mDatabaseReaderExecutor = new SerialSingleThreadExecutor("DatabaseReader");
 189    private final SerialSingleThreadExecutor mNotificationExecutor = new SerialSingleThreadExecutor("NotificationExecutor");
 190    private final ReplacingTaskManager mRosterSyncTaskManager = new ReplacingTaskManager();
 191    private final IBinder mBinder = new XmppConnectionBinder();
 192    private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 193    private final IqGenerator mIqGenerator = new IqGenerator(this);
 194    private final Set<String> mInProgressAvatarFetches = new HashSet<>();
 195    private final Set<String> mOmittedPepAvatarFetches = new HashSet<>();
 196    private final HashSet<Jid> mLowPingTimeoutMode = new HashSet<>();
 197    private final OnIqPacketReceived mDefaultIqHandler = (account, packet) -> {
 198        if (packet.getType() != IqPacket.TYPE.RESULT) {
 199            Element error = packet.findChild("error");
 200            String text = error != null ? error.findChildContent("text") : null;
 201            if (text != null) {
 202                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received iq error - " + text);
 203            }
 204        }
 205    };
 206    public DatabaseBackend databaseBackend;
 207    private ReplacingSerialSingleThreadExecutor mContactMergerExecutor = new ReplacingSerialSingleThreadExecutor("ContactMerger");
 208    private long mLastActivity = 0;
 209    private FileBackend fileBackend = new FileBackend(this);
 210    private MemorizingTrustManager mMemorizingTrustManager;
 211    private NotificationService mNotificationService = new NotificationService(this);
 212    private ChannelDiscoveryService mChannelDiscoveryService = new ChannelDiscoveryService(this);
 213    private ShortcutService mShortcutService = new ShortcutService(this);
 214    private AtomicBoolean mInitialAddressbookSyncCompleted = new AtomicBoolean(false);
 215    private AtomicBoolean mForceForegroundService = new AtomicBoolean(false);
 216    private AtomicBoolean mForceDuringOnCreate = new AtomicBoolean(false);
 217    private OnMessagePacketReceived mMessageParser = new MessageParser(this);
 218    private OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 219    private IqParser mIqParser = new IqParser(this);
 220    private MessageGenerator mMessageGenerator = new MessageGenerator(this);
 221    public OnContactStatusChanged onContactStatusChanged = (contact, online) -> {
 222        Conversation conversation = find(getConversations(), contact);
 223        if (conversation != null) {
 224            if (online) {
 225                if (contact.getPresences().size() == 1) {
 226                    sendUnsentMessages(conversation);
 227                }
 228            }
 229        }
 230    };
 231    private PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 232    private List<Account> accounts;
 233    private JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(
 234            this);
 235    private final OnJinglePacketReceived jingleListener = new OnJinglePacketReceived() {
 236
 237        @Override
 238        public void onJinglePacketReceived(Account account, JinglePacket packet) {
 239            mJingleConnectionManager.deliverPacket(account, packet);
 240        }
 241    };
 242    private HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(this);
 243    private AvatarService mAvatarService = new AvatarService(this);
 244    private MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 245    private PushManagementService mPushManagementService = new PushManagementService(this);
 246    private QuickConversationsService mQuickConversationsService = new QuickConversationsService(this);
 247    private final ConversationsFileObserver fileObserver = new ConversationsFileObserver(
 248            Environment.getExternalStorageDirectory().getAbsolutePath()
 249    ) {
 250        @Override
 251        public void onEvent(int event, String path) {
 252            markFileDeleted(path);
 253        }
 254    };
 255    private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 256
 257        @Override
 258        public boolean onMessageAcknowledged(Account account, String uuid) {
 259            for (final Conversation conversation : getConversations()) {
 260                if (conversation.getAccount() == account) {
 261                    Message message = conversation.findUnsentMessageWithUuid(uuid);
 262                    if (message != null) {
 263                        message.setStatus(Message.STATUS_SEND);
 264                        message.setErrorMessage(null);
 265                        databaseBackend.updateMessage(message, false);
 266                        return true;
 267                    }
 268                }
 269            }
 270            return false;
 271        }
 272    };
 273
 274    private boolean destroyed = false;
 275
 276    private int unreadCount = -1;
 277
 278    //Ui callback listeners
 279    private final Set<OnConversationUpdate> mOnConversationUpdates = Collections.newSetFromMap(new WeakHashMap<OnConversationUpdate, Boolean>());
 280    private final Set<OnShowErrorToast> mOnShowErrorToasts = Collections.newSetFromMap(new WeakHashMap<OnShowErrorToast, Boolean>());
 281    private final Set<OnAccountUpdate> mOnAccountUpdates = Collections.newSetFromMap(new WeakHashMap<OnAccountUpdate, Boolean>());
 282    private final Set<OnCaptchaRequested> mOnCaptchaRequested = Collections.newSetFromMap(new WeakHashMap<OnCaptchaRequested, Boolean>());
 283    private final Set<OnRosterUpdate> mOnRosterUpdates = Collections.newSetFromMap(new WeakHashMap<OnRosterUpdate, Boolean>());
 284    private final Set<OnUpdateBlocklist> mOnUpdateBlocklist = Collections.newSetFromMap(new WeakHashMap<OnUpdateBlocklist, Boolean>());
 285    private final Set<OnMucRosterUpdate> mOnMucRosterUpdate = Collections.newSetFromMap(new WeakHashMap<OnMucRosterUpdate, Boolean>());
 286    private final Set<OnKeyStatusUpdated> mOnKeyStatusUpdated = Collections.newSetFromMap(new WeakHashMap<OnKeyStatusUpdated, Boolean>());
 287
 288    private final Object LISTENER_LOCK = new Object();
 289
 290
 291    private final OnBindListener mOnBindListener = new OnBindListener() {
 292
 293        @Override
 294        public void onBind(final Account account) {
 295            synchronized (mInProgressAvatarFetches) {
 296                for (Iterator<String> iterator = mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
 297                    final String KEY = iterator.next();
 298                    if (KEY.startsWith(account.getJid().asBareJid() + "_")) {
 299                        iterator.remove();
 300                    }
 301                }
 302            }
 303            boolean loggedInSuccessfully = account.setOption(Account.OPTION_LOGGED_IN_SUCCESSFULLY, true);
 304            boolean gainedFeature = account.setOption(Account.OPTION_HTTP_UPLOAD_AVAILABLE, account.getXmppConnection().getFeatures().httpUpload(0));
 305            if (loggedInSuccessfully || gainedFeature) {
 306                databaseBackend.updateAccount(account);
 307            }
 308
 309            if (loggedInSuccessfully) {
 310                if (!TextUtils.isEmpty(account.getDisplayName())) {
 311                    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": display name wasn't empty on first log in. publishing");
 312                    publishDisplayName(account);
 313                }
 314            }
 315
 316            account.getRoster().clearPresences();
 317            synchronized (account.inProgressConferenceJoins) {
 318                account.inProgressConferenceJoins.clear();
 319            }
 320            synchronized (account.inProgressConferencePings) {
 321                account.inProgressConferencePings.clear();
 322            }
 323            mJingleConnectionManager.cancelInTransmission();
 324            mQuickConversationsService.considerSyncBackground(false);
 325            fetchRosterFromServer(account);
 326            if (!account.getXmppConnection().getFeatures().bookmarksConversion()) {
 327                fetchBookmarks(account);
 328            }
 329            final boolean flexible = account.getXmppConnection().getFeatures().flexibleOfflineMessageRetrieval();
 330            final boolean catchup = getMessageArchiveService().inCatchup(account);
 331            if (flexible && catchup && account.getXmppConnection().isMamPreferenceAlways()) {
 332                sendIqPacket(account, mIqGenerator.purgeOfflineMessages(), (acc, packet) -> {
 333                    if (packet.getType() == IqPacket.TYPE.RESULT) {
 334                        Log.d(Config.LOGTAG, acc.getJid().asBareJid() + ": successfully purged offline messages");
 335                    }
 336                });
 337            }
 338            sendPresence(account);
 339            if (mPushManagementService.available(account)) {
 340                mPushManagementService.registerPushTokenOnServer(account);
 341            }
 342            connectMultiModeConversations(account);
 343            syncDirtyContacts(account);
 344        }
 345    };
 346    private AtomicLong mLastExpiryRun = new AtomicLong(0);
 347    private SecureRandom mRandom;
 348    private LruCache<Pair<String, String>, ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 349    private OnStatusChanged statusListener = new OnStatusChanged() {
 350
 351        @Override
 352        public void onStatusChanged(final Account account) {
 353            XmppConnection connection = account.getXmppConnection();
 354            updateAccountUi();
 355
 356            if (account.getStatus() == Account.State.ONLINE || account.getStatus().isError()) {
 357                mQuickConversationsService.signalAccountStateChange();
 358            }
 359
 360            if (account.getStatus() == Account.State.ONLINE) {
 361                synchronized (mLowPingTimeoutMode) {
 362                    if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 363                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 364                    }
 365                }
 366                if (account.setShowErrorNotification(true)) {
 367                    databaseBackend.updateAccount(account);
 368                }
 369                mMessageArchiveService.executePendingQueries(account);
 370                if (connection != null && connection.getFeatures().csi()) {
 371                    if (checkListeners()) {
 372                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//inactive");
 373                        connection.sendInactive();
 374                    } else {
 375                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//active");
 376                        connection.sendActive();
 377                    }
 378                }
 379                List<Conversation> conversations = getConversations();
 380                for (Conversation conversation : conversations) {
 381                    final boolean inProgressJoin;
 382                    synchronized (account.inProgressConferenceJoins) {
 383                        inProgressJoin = account.inProgressConferenceJoins.contains(conversation);
 384                    }
 385                    final boolean pendingJoin;
 386                    synchronized (account.pendingConferenceJoins) {
 387                        pendingJoin = account.pendingConferenceJoins.contains(conversation);
 388                    }
 389                    if (conversation.getAccount() == account
 390                            && !pendingJoin
 391                            && !inProgressJoin) {
 392                        sendUnsentMessages(conversation);
 393                    }
 394                }
 395                final List<Conversation> pendingLeaves;
 396                synchronized (account.pendingConferenceLeaves) {
 397                    pendingLeaves = new ArrayList<>(account.pendingConferenceLeaves);
 398                    account.pendingConferenceLeaves.clear();
 399
 400                }
 401                for (Conversation conversation : pendingLeaves) {
 402                    leaveMuc(conversation);
 403                }
 404                final List<Conversation> pendingJoins;
 405                synchronized (account.pendingConferenceJoins) {
 406                    pendingJoins = new ArrayList<>(account.pendingConferenceJoins);
 407                    account.pendingConferenceJoins.clear();
 408                }
 409                for (Conversation conversation : pendingJoins) {
 410                    joinMuc(conversation);
 411                }
 412                scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 413            } else if (account.getStatus() == Account.State.OFFLINE || account.getStatus() == Account.State.DISABLED) {
 414                resetSendingToWaiting(account);
 415                if (account.isEnabled() && isInLowPingTimeoutMode(account)) {
 416                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": went into offline state during low ping mode. reconnecting now");
 417                    reconnectAccount(account, true, false);
 418                } else {
 419                    int timeToReconnect = mRandom.nextInt(10) + 2;
 420                    scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 421                }
 422            } else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 423                databaseBackend.updateAccount(account);
 424                reconnectAccount(account, true, false);
 425            } else if (account.getStatus() != Account.State.CONNECTING && account.getStatus() != Account.State.NO_INTERNET) {
 426                resetSendingToWaiting(account);
 427                if (connection != null && account.getStatus().isAttemptReconnect()) {
 428                    final int next = connection.getTimeToNextAttempt();
 429                    final boolean lowPingTimeoutMode = isInLowPingTimeoutMode(account);
 430                    if (next <= 0) {
 431                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. reconnecting now. lowPingTimeout=" + Boolean.toString(lowPingTimeoutMode));
 432                        reconnectAccount(account, true, false);
 433                    } else {
 434                        final int attempt = connection.getAttempt() + 1;
 435                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. try again in " + next + "s for the " + attempt + " time. lowPingTimeout=" + Boolean.toString(lowPingTimeoutMode));
 436                        scheduleWakeUpCall(next, account.getUuid().hashCode());
 437                    }
 438                }
 439            }
 440            getNotificationService().updateErrorNotification();
 441        }
 442    };
 443    private OpenPgpServiceConnection pgpServiceConnection;
 444    private PgpEngine mPgpEngine = null;
 445    private WakeLock wakeLock;
 446    private PowerManager pm;
 447    private LruCache<String, Bitmap> mBitmapCache;
 448    private BroadcastReceiver mInternalEventReceiver = new InternalEventReceiver();
 449    private BroadcastReceiver mInternalScreenEventReceiver = new InternalEventReceiver();
 450
 451    private static String generateFetchKey(Account account, final Avatar avatar) {
 452        return account.getJid().asBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 453    }
 454
 455    private boolean isInLowPingTimeoutMode(Account account) {
 456        synchronized (mLowPingTimeoutMode) {
 457            return mLowPingTimeoutMode.contains(account.getJid().asBareJid());
 458        }
 459    }
 460
 461    public void startForcingForegroundNotification() {
 462        mForceForegroundService.set(true);
 463        toggleForegroundService();
 464    }
 465
 466    public void stopForcingForegroundNotification() {
 467        mForceForegroundService.set(false);
 468        toggleForegroundService();
 469    }
 470
 471    public boolean areMessagesInitialized() {
 472        return this.restoredFromDatabaseLatch.getCount() == 0;
 473    }
 474
 475    public PgpEngine getPgpEngine() {
 476        if (!Config.supportOpenPgp()) {
 477            return null;
 478        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 479            if (this.mPgpEngine == null) {
 480                this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 481                        getApplicationContext(),
 482                        pgpServiceConnection.getService()), this);
 483            }
 484            return mPgpEngine;
 485        } else {
 486            return null;
 487        }
 488
 489    }
 490
 491    public OpenPgpApi getOpenPgpApi() {
 492        if (!Config.supportOpenPgp()) {
 493            return null;
 494        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 495            return new OpenPgpApi(this, pgpServiceConnection.getService());
 496        } else {
 497            return null;
 498        }
 499    }
 500
 501    public FileBackend getFileBackend() {
 502        return this.fileBackend;
 503    }
 504
 505    public AvatarService getAvatarService() {
 506        return this.mAvatarService;
 507    }
 508
 509    public void attachLocationToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 510        int encryption = conversation.getNextEncryption();
 511        if (encryption == Message.ENCRYPTION_PGP) {
 512            encryption = Message.ENCRYPTION_DECRYPTED;
 513        }
 514        Message message = new Message(conversation, uri.toString(), encryption);
 515        Message.configurePrivateMessage(message);
 516        if (encryption == Message.ENCRYPTION_DECRYPTED) {
 517            getPgpEngine().encrypt(message, callback);
 518        } else {
 519            sendMessage(message);
 520            callback.success(message);
 521        }
 522    }
 523
 524    public void attachFileToConversation(final Conversation conversation, final Uri uri, final String type, final UiCallback<Message> callback) {
 525        final Message message;
 526        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 527            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 528        } else {
 529            message = new Message(conversation, "", conversation.getNextEncryption());
 530        }
 531        if (!Message.configurePrivateFileMessage(message)) {
 532            message.setCounterpart(conversation.getNextCounterpart());
 533            message.setType(Message.TYPE_FILE);
 534        }
 535        Log.d(Config.LOGTAG,"attachFile: type="+message.getType());
 536        Log.d(Config.LOGTAG,"counterpart="+message.getCounterpart());
 537        final AttachFileToConversationRunnable runnable = new AttachFileToConversationRunnable(this, uri, type, message, callback);
 538        if (runnable.isVideoMessage()) {
 539            mVideoCompressionExecutor.execute(runnable);
 540        } else {
 541            mFileAddingExecutor.execute(runnable);
 542        }
 543    }
 544
 545    public void attachImageToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 546        final String mimeType = MimeUtils.guessMimeTypeFromUri(this, uri);
 547        final String compressPictures = getCompressPicturesPreference();
 548
 549        if ("never".equals(compressPictures)
 550                || ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))
 551                || (mimeType != null && mimeType.endsWith("/gif"))
 552                || getFileBackend().unusualBounds(uri)) {
 553            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": not compressing picture. sending as file");
 554            attachFileToConversation(conversation, uri, mimeType, callback);
 555            return;
 556        }
 557        final Message message;
 558        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 559            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 560        } else {
 561            message = new Message(conversation, "", conversation.getNextEncryption());
 562        }
 563        if (!Message.configurePrivateFileMessage(message)) {
 564            message.setCounterpart(conversation.getNextCounterpart());
 565            message.setType(Message.TYPE_IMAGE);
 566        }
 567        Log.d(Config.LOGTAG,"attachImage: type="+message.getType());
 568        mFileAddingExecutor.execute(() -> {
 569            try {
 570                getFileBackend().copyImageToPrivateStorage(message, uri);
 571                if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 572                    final PgpEngine pgpEngine = getPgpEngine();
 573                    if (pgpEngine != null) {
 574                        pgpEngine.encrypt(message, callback);
 575                    } else if (callback != null) {
 576                        callback.error(R.string.unable_to_connect_to_keychain, null);
 577                    }
 578                } else {
 579                    sendMessage(message);
 580                    callback.success(message);
 581                }
 582            } catch (final FileBackend.FileCopyException e) {
 583                callback.error(e.getResId(), message);
 584            }
 585        });
 586    }
 587
 588    public Conversation find(Bookmark bookmark) {
 589        return find(bookmark.getAccount(), bookmark.getJid());
 590    }
 591
 592    public Conversation find(final Account account, final Jid jid) {
 593        return find(getConversations(), account, jid);
 594    }
 595
 596    public boolean isMuc(final Account account, final Jid jid) {
 597        final Conversation c = find(account, jid);
 598        return c != null && c.getMode() == Conversational.MODE_MULTI;
 599    }
 600
 601    public void search(List<String> term, OnSearchResultsAvailable onSearchResultsAvailable) {
 602        MessageSearchTask.search(this, term, onSearchResultsAvailable);
 603    }
 604
 605    @Override
 606    public int onStartCommand(Intent intent, int flags, int startId) {
 607        final String action = intent == null ? null : intent.getAction();
 608        final boolean needsForegroundService = intent != null && intent.getBooleanExtra(EventReceiver.EXTRA_NEEDS_FOREGROUND_SERVICE, false);
 609        if (needsForegroundService) {
 610            Log.d(Config.LOGTAG,"toggle forced foreground service after receiving event (action="+action+")");
 611            toggleForegroundService(true);
 612        }
 613        String pushedAccountHash = null;
 614        String pushedChannelHash = null;
 615        boolean interactive = false;
 616        if (action != null) {
 617            final String uuid = intent.getStringExtra("uuid");
 618            switch (action) {
 619                case ConnectivityManager.CONNECTIVITY_ACTION:
 620                    if (hasInternetConnection()) {
 621                        if (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0) {
 622                            schedulePostConnectivityChange();
 623                        }
 624                        if (Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 625                            resetAllAttemptCounts(true, false);
 626                        }
 627                    }
 628                    break;
 629                case Intent.ACTION_SHUTDOWN:
 630                    logoutAndSave(true);
 631                    return START_NOT_STICKY;
 632                case ACTION_CLEAR_NOTIFICATION:
 633                    mNotificationExecutor.execute(() -> {
 634                        try {
 635                            final Conversation c = findConversationByUuid(uuid);
 636                            if (c != null) {
 637                                mNotificationService.clear(c);
 638                            } else {
 639                                mNotificationService.clear();
 640                            }
 641                            restoredFromDatabaseLatch.await();
 642
 643                        } catch (InterruptedException e) {
 644                            Log.d(Config.LOGTAG, "unable to process clear notification");
 645                        }
 646                    });
 647                    break;
 648                case ACTION_DISMISS_ERROR_NOTIFICATIONS:
 649                    dismissErrorNotifications();
 650                    break;
 651                case ACTION_TRY_AGAIN:
 652                    resetAllAttemptCounts(false, true);
 653                    interactive = true;
 654                    break;
 655                case ACTION_REPLY_TO_CONVERSATION:
 656                    Bundle remoteInput = RemoteInput.getResultsFromIntent(intent);
 657                    if (remoteInput == null) {
 658                        break;
 659                    }
 660                    final CharSequence body = remoteInput.getCharSequence("text_reply");
 661                    final boolean dismissNotification = intent.getBooleanExtra("dismiss_notification", false);
 662                    if (body == null || body.length() <= 0) {
 663                        break;
 664                    }
 665                    mNotificationExecutor.execute(() -> {
 666                        try {
 667                            restoredFromDatabaseLatch.await();
 668                            final Conversation c = findConversationByUuid(uuid);
 669                            if (c != null) {
 670                                directReply(c, body.toString(), dismissNotification);
 671                            }
 672                        } catch (InterruptedException e) {
 673                            Log.d(Config.LOGTAG, "unable to process direct reply");
 674                        }
 675                    });
 676                    break;
 677                case ACTION_MARK_AS_READ:
 678                    mNotificationExecutor.execute(() -> {
 679                        final Conversation c = findConversationByUuid(uuid);
 680                        if (c == null) {
 681                            Log.d(Config.LOGTAG, "received mark read intent for unknown conversation (" + uuid + ")");
 682                            return;
 683                        }
 684                        try {
 685                            restoredFromDatabaseLatch.await();
 686                            sendReadMarker(c, null);
 687                        } catch (InterruptedException e) {
 688                            Log.d(Config.LOGTAG, "unable to process notification read marker for conversation " + c.getName());
 689                        }
 690
 691                    });
 692                    break;
 693                case ACTION_SNOOZE:
 694                    mNotificationExecutor.execute(() -> {
 695                        final Conversation c = findConversationByUuid(uuid);
 696                        if (c == null) {
 697                            Log.d(Config.LOGTAG, "received snooze intent for unknown conversation (" + uuid + ")");
 698                            return;
 699                        }
 700                        c.setMutedTill(System.currentTimeMillis() + 30 * 60 * 1000);
 701                        mNotificationService.clear(c);
 702                        updateConversation(c);
 703                    });
 704                case AudioManager.RINGER_MODE_CHANGED_ACTION:
 705                case NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED:
 706                    if (dndOnSilentMode()) {
 707                        refreshAllPresences();
 708                    }
 709                    break;
 710                case Intent.ACTION_SCREEN_ON:
 711                    deactivateGracePeriod();
 712                case Intent.ACTION_SCREEN_OFF:
 713                    if (awayWhenScreenOff()) {
 714                        refreshAllPresences();
 715                    }
 716                    break;
 717                case ACTION_FCM_TOKEN_REFRESH:
 718                    refreshAllFcmTokens();
 719                    break;
 720                case ACTION_IDLE_PING:
 721                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 722                        scheduleNextIdlePing();
 723                    }
 724                    break;
 725                case ACTION_FCM_MESSAGE_RECEIVED:
 726                    pushedAccountHash = intent.getStringExtra("account");
 727                    pushedChannelHash = intent.getStringExtra("channel");
 728                    Log.d(Config.LOGTAG, "push message arrived in service. account=" + pushedAccountHash);
 729                    break;
 730                case Intent.ACTION_SEND:
 731                    Uri uri = intent.getData();
 732                    if (uri != null) {
 733                        Log.d(Config.LOGTAG, "received uri permission for " + uri.toString());
 734                    }
 735                    return START_STICKY;
 736            }
 737        }
 738        synchronized (this) {
 739            WakeLockHelper.acquire(wakeLock);
 740            boolean pingNow = ConnectivityManager.CONNECTIVITY_ACTION.equals(action) || (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0 && ACTION_POST_CONNECTIVITY_CHANGE.equals(action));
 741            final HashSet<Account> pingCandidates = new HashSet<>();
 742            final String androidId = PhoneHelper.getAndroidId(this);
 743            for (Account account : accounts) {
 744                final boolean pushWasMeantForThisAccount = CryptoHelper.getAccountFingerprint(account, androidId).equals(pushedAccountHash);
 745                pingNow |= processAccountState(account,
 746                        interactive,
 747                        "ui".equals(action),
 748                        pushWasMeantForThisAccount,
 749                        pingCandidates);
 750                if (pushWasMeantForThisAccount && pushedChannelHash != null) {
 751                    checkMucStillJoined(account, pushedAccountHash, androidId);
 752                }
 753            }
 754            if (pingNow) {
 755                for (Account account : pingCandidates) {
 756                    final boolean lowTimeout = isInLowPingTimeoutMode(account);
 757                    account.getXmppConnection().sendPing();
 758                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + " send ping (action=" + action + ",lowTimeout=" + Boolean.toString(lowTimeout) + ")");
 759                    scheduleWakeUpCall(lowTimeout ? Config.LOW_PING_TIMEOUT : Config.PING_TIMEOUT, account.getUuid().hashCode());
 760                }
 761            }
 762            WakeLockHelper.release(wakeLock);
 763        }
 764        if (SystemClock.elapsedRealtime() - mLastExpiryRun.get() >= Config.EXPIRY_INTERVAL) {
 765            expireOldMessages();
 766        }
 767        return START_STICKY;
 768    }
 769
 770    private boolean processAccountState(Account account, boolean interactive, boolean isUiAction, boolean isAccountPushed, HashSet<Account> pingCandidates) {
 771        boolean pingNow = false;
 772        if (account.getStatus().isAttemptReconnect()) {
 773            if (!hasInternetConnection()) {
 774                account.setStatus(Account.State.NO_INTERNET);
 775                if (statusListener != null) {
 776                    statusListener.onStatusChanged(account);
 777                }
 778            } else {
 779                if (account.getStatus() == Account.State.NO_INTERNET) {
 780                    account.setStatus(Account.State.OFFLINE);
 781                    if (statusListener != null) {
 782                        statusListener.onStatusChanged(account);
 783                    }
 784                }
 785                if (account.getStatus() == Account.State.ONLINE) {
 786                    synchronized (mLowPingTimeoutMode) {
 787                        long lastReceived = account.getXmppConnection().getLastPacketReceived();
 788                        long lastSent = account.getXmppConnection().getLastPingSent();
 789                        long pingInterval = isUiAction ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 790                        long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 791                        int pingTimeout = mLowPingTimeoutMode.contains(account.getJid().asBareJid()) ? Config.LOW_PING_TIMEOUT * 1000 : Config.PING_TIMEOUT * 1000;
 792                        long pingTimeoutIn = (lastSent + pingTimeout) - SystemClock.elapsedRealtime();
 793                        if (lastSent > lastReceived) {
 794                            if (pingTimeoutIn < 0) {
 795                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ping timeout");
 796                                this.reconnectAccount(account, true, interactive);
 797                            } else {
 798                                int secs = (int) (pingTimeoutIn / 1000);
 799                                this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
 800                            }
 801                        } else {
 802                            pingCandidates.add(account);
 803                            if (isAccountPushed) {
 804                                pingNow = true;
 805                                if (mLowPingTimeoutMode.add(account.getJid().asBareJid())) {
 806                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": entering low ping timeout mode");
 807                                }
 808                            } else if (msToNextPing <= 0) {
 809                                pingNow = true;
 810                            } else {
 811                                this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 812                                if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 813                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 814                                }
 815                            }
 816                        }
 817                    }
 818                } else if (account.getStatus() == Account.State.OFFLINE) {
 819                    reconnectAccount(account, true, interactive);
 820                } else if (account.getStatus() == Account.State.CONNECTING) {
 821                    long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
 822                    long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
 823                    long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
 824                    long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
 825                    if (timeout < 0) {
 826                        Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting (secondsSinceLast=" + secondsSinceLastConnect + ")");
 827                        account.getXmppConnection().resetAttemptCount(false);
 828                        reconnectAccount(account, true, interactive);
 829                    } else if (discoTimeout < 0) {
 830                        account.getXmppConnection().sendDiscoTimeout();
 831                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 832                    } else {
 833                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 834                    }
 835                } else {
 836                    if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 837                        reconnectAccount(account, true, interactive);
 838                    }
 839                }
 840            }
 841        }
 842        return pingNow;
 843    }
 844
 845    private void checkMucStillJoined(final Account account, final String hash, final String androidId) {
 846        for(final Conversation conversation : this.conversations) {
 847            if (conversation.getAccount() == account && conversation.getMode() == Conversational.MODE_MULTI) {
 848                Jid jid = conversation.getJid().asBareJid();
 849                final String currentHash = CryptoHelper.getFingerprint(jid, androidId);
 850                if (currentHash.equals(hash)) {
 851                    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": received cloud push notification for MUC "+jid);
 852                    return;
 853                }
 854            }
 855        }
 856        mPushManagementService.unregisterChannel(account, hash);
 857    }
 858
 859    public void reinitializeMuclumbusService() {
 860        mChannelDiscoveryService.initializeMuclumbusService();
 861    }
 862
 863    public void discoverChannels(String query, ChannelDiscoveryService.OnChannelSearchResultsFound onChannelSearchResultsFound) {
 864        mChannelDiscoveryService.discover(query, onChannelSearchResultsFound);
 865    }
 866
 867    public boolean isDataSaverDisabled() {
 868        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 869            ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
 870            return !connectivityManager.isActiveNetworkMetered()
 871                    || connectivityManager.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
 872        } else {
 873            return true;
 874        }
 875    }
 876
 877    private void directReply(Conversation conversation, String body, final boolean dismissAfterReply) {
 878        Message message = new Message(conversation, body, conversation.getNextEncryption());
 879        message.markUnread();
 880        if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 881            getPgpEngine().encrypt(message, new UiCallback<Message>() {
 882                @Override
 883                public void success(Message message) {
 884                    if (dismissAfterReply) {
 885                        markRead((Conversation) message.getConversation(), true);
 886                    } else {
 887                        mNotificationService.pushFromDirectReply(message);
 888                    }
 889                }
 890
 891                @Override
 892                public void error(int errorCode, Message object) {
 893
 894                }
 895
 896                @Override
 897                public void userInputRequired(PendingIntent pi, Message object) {
 898
 899                }
 900            });
 901        } else {
 902            sendMessage(message);
 903            if (dismissAfterReply) {
 904                markRead(conversation, true);
 905            } else {
 906                mNotificationService.pushFromDirectReply(message);
 907            }
 908        }
 909    }
 910
 911    private boolean dndOnSilentMode() {
 912        return getBooleanPreference(SettingsActivity.DND_ON_SILENT_MODE, R.bool.dnd_on_silent_mode);
 913    }
 914
 915    private boolean manuallyChangePresence() {
 916        return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
 917    }
 918
 919    private boolean treatVibrateAsSilent() {
 920        return getBooleanPreference(SettingsActivity.TREAT_VIBRATE_AS_SILENT, R.bool.treat_vibrate_as_silent);
 921    }
 922
 923    private boolean awayWhenScreenOff() {
 924        return getBooleanPreference(SettingsActivity.AWAY_WHEN_SCREEN_IS_OFF, R.bool.away_when_screen_off);
 925    }
 926
 927    private String getCompressPicturesPreference() {
 928        return getPreferences().getString("picture_compression", getResources().getString(R.string.picture_compression));
 929    }
 930
 931    private Presence.Status getTargetPresence() {
 932        if (dndOnSilentMode() && isPhoneSilenced()) {
 933            return Presence.Status.DND;
 934        } else if (awayWhenScreenOff() && !isInteractive()) {
 935            return Presence.Status.AWAY;
 936        } else {
 937            return Presence.Status.ONLINE;
 938        }
 939    }
 940
 941    @SuppressLint("NewApi")
 942    @SuppressWarnings("deprecation")
 943    public boolean isInteractive() {
 944        try {
 945            final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 946
 947            final boolean isScreenOn;
 948            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
 949                isScreenOn = pm.isScreenOn();
 950            } else {
 951                isScreenOn = pm.isInteractive();
 952            }
 953            return isScreenOn;
 954        } catch (RuntimeException e) {
 955            return false;
 956        }
 957    }
 958
 959    private boolean isPhoneSilenced() {
 960        final boolean notificationDnd;
 961        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 962            final NotificationManager notificationManager = getSystemService(NotificationManager.class);
 963            final int filter = notificationManager == null ? NotificationManager.INTERRUPTION_FILTER_UNKNOWN : notificationManager.getCurrentInterruptionFilter();
 964            notificationDnd = filter >= NotificationManager.INTERRUPTION_FILTER_PRIORITY;
 965        } else {
 966            notificationDnd = false;
 967        }
 968        final AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
 969        final int ringerMode = audioManager == null ? AudioManager.RINGER_MODE_NORMAL : audioManager.getRingerMode();
 970        try {
 971            if (treatVibrateAsSilent()) {
 972                return notificationDnd || ringerMode != AudioManager.RINGER_MODE_NORMAL;
 973            } else {
 974                return notificationDnd || ringerMode == AudioManager.RINGER_MODE_SILENT;
 975            }
 976        } catch (Throwable throwable) {
 977            Log.d(Config.LOGTAG, "platform bug in isPhoneSilenced (" + throwable.getMessage() + ")");
 978            return notificationDnd;
 979        }
 980    }
 981
 982    private void resetAllAttemptCounts(boolean reallyAll, boolean retryImmediately) {
 983        Log.d(Config.LOGTAG, "resetting all attempt counts");
 984        for (Account account : accounts) {
 985            if (account.hasErrorStatus() || reallyAll) {
 986                final XmppConnection connection = account.getXmppConnection();
 987                if (connection != null) {
 988                    connection.resetAttemptCount(retryImmediately);
 989                }
 990            }
 991            if (account.setShowErrorNotification(true)) {
 992                mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
 993            }
 994        }
 995        mNotificationService.updateErrorNotification();
 996    }
 997
 998    private void dismissErrorNotifications() {
 999        for (final Account account : this.accounts) {
1000            if (account.hasErrorStatus()) {
1001                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": dismissing error notification");
1002                if (account.setShowErrorNotification(false)) {
1003                    mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
1004                }
1005            }
1006        }
1007    }
1008
1009    private void expireOldMessages() {
1010        expireOldMessages(false);
1011    }
1012
1013    public void expireOldMessages(final boolean resetHasMessagesLeftOnServer) {
1014        mLastExpiryRun.set(SystemClock.elapsedRealtime());
1015        mDatabaseWriterExecutor.execute(() -> {
1016            long timestamp = getAutomaticMessageDeletionDate();
1017            if (timestamp > 0) {
1018                databaseBackend.expireOldMessages(timestamp);
1019                synchronized (XmppConnectionService.this.conversations) {
1020                    for (Conversation conversation : XmppConnectionService.this.conversations) {
1021                        conversation.expireOldMessages(timestamp);
1022                        if (resetHasMessagesLeftOnServer) {
1023                            conversation.messagesLoaded.set(true);
1024                            conversation.setHasMessagesLeftOnServer(true);
1025                        }
1026                    }
1027                }
1028                updateConversationUi();
1029            }
1030        });
1031    }
1032
1033    public boolean hasInternetConnection() {
1034        final ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
1035        try {
1036            final NetworkInfo activeNetwork = cm == null ? null : cm.getActiveNetworkInfo();
1037            return activeNetwork != null && (activeNetwork.isConnected() || activeNetwork.getType() == ConnectivityManager.TYPE_ETHERNET);
1038        } catch (RuntimeException e) {
1039            Log.d(Config.LOGTAG, "unable to check for internet connection", e);
1040            return true; //if internet connection can not be checked it is probably best to just try
1041        }
1042    }
1043
1044    @SuppressLint("TrulyRandom")
1045    @Override
1046    public void onCreate() {
1047        if (Compatibility.runsTwentySix()) {
1048            mNotificationService.initializeChannels();
1049        }
1050        mChannelDiscoveryService.initializeMuclumbusService();
1051        mForceDuringOnCreate.set(Compatibility.runsAndTargetsTwentySix(this));
1052        toggleForegroundService();
1053        this.destroyed = false;
1054        OmemoSetting.load(this);
1055        ExceptionHelper.init(getApplicationContext());
1056        try {
1057            Security.insertProviderAt(Conscrypt.newProvider(), 1);
1058        } catch (Throwable throwable) {
1059            Log.e(Config.LOGTAG,"unable to initialize security provider", throwable);
1060        }
1061        Resolver.init(this);
1062        this.mRandom = new SecureRandom();
1063        updateMemorizingTrustmanager();
1064        final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
1065        final int cacheSize = maxMemory / 8;
1066        this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
1067            @Override
1068            protected int sizeOf(final String key, final Bitmap bitmap) {
1069                return bitmap.getByteCount() / 1024;
1070            }
1071        };
1072        if (mLastActivity == 0) {
1073            mLastActivity = getPreferences().getLong(SETTING_LAST_ACTIVITY_TS, System.currentTimeMillis());
1074        }
1075
1076        Log.d(Config.LOGTAG, "initializing database...");
1077        this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
1078        Log.d(Config.LOGTAG, "restoring accounts...");
1079        this.accounts = databaseBackend.getAccounts();
1080        final SharedPreferences.Editor editor = getPreferences().edit();
1081        if (this.accounts.size() == 0 && Arrays.asList("Sony", "Sony Ericsson").contains(Build.MANUFACTURER)) {
1082            editor.putBoolean(SettingsActivity.KEEP_FOREGROUND_SERVICE, true);
1083            Log.d(Config.LOGTAG, Build.MANUFACTURER + " is on blacklist. enabling foreground service");
1084        }
1085        final boolean hasEnabledAccounts = hasEnabledAccounts();
1086        editor.putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
1087        editor.apply();
1088        toggleSetProfilePictureActivity(hasEnabledAccounts);
1089
1090        restoreFromDatabase();
1091
1092        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || ContextCompat.checkSelfPermission(this, Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
1093            startContactObserver();
1094        }
1095        if (Compatibility.hasStoragePermission(this)) {
1096            Log.d(Config.LOGTAG, "starting file observer");
1097            mFileAddingExecutor.execute(this.fileObserver::startWatching);
1098            mFileAddingExecutor.execute(this::checkForDeletedFiles);
1099        }
1100        if (Config.supportOpenPgp()) {
1101            this.pgpServiceConnection = new OpenPgpServiceConnection(this, "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
1102                @Override
1103                public void onBound(IOpenPgpService2 service) {
1104                    for (Account account : accounts) {
1105                        final PgpDecryptionService pgp = account.getPgpDecryptionService();
1106                        if (pgp != null) {
1107                            pgp.continueDecryption(true);
1108                        }
1109                    }
1110                }
1111
1112                @Override
1113                public void onError(Exception e) {
1114                }
1115            });
1116            this.pgpServiceConnection.bindToService();
1117        }
1118
1119        this.pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
1120        this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Conversations:Service");
1121
1122        toggleForegroundService();
1123        updateUnreadCountBadge();
1124        toggleScreenEventReceiver();
1125        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1126            scheduleNextIdlePing();
1127            IntentFilter intentFilter = new IntentFilter();
1128            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1129                intentFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
1130            }
1131            intentFilter.addAction(NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED);
1132            registerReceiver(this.mInternalEventReceiver, intentFilter);
1133        }
1134        mForceDuringOnCreate.set(false);
1135        toggleForegroundService();
1136    }
1137
1138    private void checkForDeletedFiles() {
1139        if (destroyed) {
1140            Log.d(Config.LOGTAG, "Do not check for deleted files because service has been destroyed");
1141            return;
1142        }
1143        final long start = SystemClock.elapsedRealtime();
1144        final List<DatabaseBackend.FilePathInfo> relativeFilePaths = databaseBackend.getFilePathInfo();
1145        final List<DatabaseBackend.FilePathInfo> changed = new ArrayList<>();
1146        for(final DatabaseBackend.FilePathInfo filePath : relativeFilePaths) {
1147            if (destroyed) {
1148                Log.d(Config.LOGTAG, "Stop checking for deleted files because service has been destroyed");
1149                return;
1150            }
1151            final File file = fileBackend.getFileForPath(filePath.path);
1152            if (filePath.setDeleted(!file.exists())) {
1153                changed.add(filePath);
1154            }
1155        }
1156        final long duration = SystemClock.elapsedRealtime() - start;
1157        Log.d(Config.LOGTAG,"found "+changed.size()+" changed files on start up. total="+relativeFilePaths.size()+". ("+duration+"ms)");
1158        if (changed.size() > 0) {
1159            databaseBackend.markFilesAsChanged(changed);
1160            markChangedFiles(changed);
1161        }
1162    }
1163
1164    public void startContactObserver() {
1165        getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, new ContentObserver(null) {
1166            @Override
1167            public void onChange(boolean selfChange) {
1168                super.onChange(selfChange);
1169                if (restoredFromDatabaseLatch.getCount() == 0) {
1170                    loadPhoneContacts();
1171                }
1172            }
1173        });
1174    }
1175
1176    @Override
1177    public void onTrimMemory(int level) {
1178        super.onTrimMemory(level);
1179        if (level >= TRIM_MEMORY_COMPLETE) {
1180            Log.d(Config.LOGTAG, "clear cache due to low memory");
1181            getBitmapCache().evictAll();
1182        }
1183    }
1184
1185    @Override
1186    public void onDestroy() {
1187        try {
1188            unregisterReceiver(this.mInternalEventReceiver);
1189        } catch (IllegalArgumentException e) {
1190            //ignored
1191        }
1192        destroyed = false;
1193        fileObserver.stopWatching();
1194        super.onDestroy();
1195    }
1196
1197    public void restartFileObserver() {
1198        Log.d(Config.LOGTAG, "restarting file observer");
1199        mFileAddingExecutor.execute(this.fileObserver::restartWatching);
1200        mFileAddingExecutor.execute(this::checkForDeletedFiles);
1201    }
1202
1203    public void toggleScreenEventReceiver() {
1204        if (awayWhenScreenOff() && !manuallyChangePresence()) {
1205            final IntentFilter filter = new IntentFilter();
1206            filter.addAction(Intent.ACTION_SCREEN_ON);
1207            filter.addAction(Intent.ACTION_SCREEN_OFF);
1208            registerReceiver(this.mInternalScreenEventReceiver, filter);
1209        } else {
1210            try {
1211                unregisterReceiver(this.mInternalScreenEventReceiver);
1212            } catch (IllegalArgumentException e) {
1213                //ignored
1214            }
1215        }
1216    }
1217
1218    public void toggleForegroundService() {
1219        toggleForegroundService(false);
1220    }
1221
1222    private void toggleForegroundService(boolean force) {
1223        final boolean status;
1224        if (force || mForceDuringOnCreate.get() || mForceForegroundService.get() || (Compatibility.keepForegroundService(this) && hasEnabledAccounts())) {
1225            final Notification notification = this.mNotificationService.createForegroundNotification();
1226            startForeground(NotificationService.FOREGROUND_NOTIFICATION_ID, notification);
1227            if (!mForceForegroundService.get()) {
1228                mNotificationService.notify(NotificationService.FOREGROUND_NOTIFICATION_ID, notification);
1229            }
1230            status = true;
1231        } else {
1232            stopForeground(true);
1233            status = false;
1234        }
1235        if (!mForceForegroundService.get()) {
1236            mNotificationService.dismissForcedForegroundNotification(); //if the channel was changed the previous call might fail
1237        }
1238        Log.d(Config.LOGTAG,"ForegroundService: "+(status?"on":"off"));
1239    }
1240
1241    public boolean foregroundNotificationNeedsUpdatingWhenErrorStateChanges() {
1242        return !mForceForegroundService.get() && Compatibility.keepForegroundService(this) && hasEnabledAccounts();
1243    }
1244
1245    @Override
1246    public void onTaskRemoved(final Intent rootIntent) {
1247        super.onTaskRemoved(rootIntent);
1248        if ((Compatibility.keepForegroundService(this) && hasEnabledAccounts()) || mForceForegroundService.get()) {
1249            Log.d(Config.LOGTAG, "ignoring onTaskRemoved because foreground service is activated");
1250        } else {
1251            this.logoutAndSave(false);
1252        }
1253    }
1254
1255    private void logoutAndSave(boolean stop) {
1256        int activeAccounts = 0;
1257        for (final Account account : accounts) {
1258            if (account.getStatus() != Account.State.DISABLED) {
1259                databaseBackend.writeRoster(account.getRoster());
1260                activeAccounts++;
1261            }
1262            if (account.getXmppConnection() != null) {
1263                new Thread(() -> disconnect(account, false)).start();
1264            }
1265        }
1266        if (stop || activeAccounts == 0) {
1267            Log.d(Config.LOGTAG, "good bye");
1268            stopSelf();
1269        }
1270    }
1271
1272    private void schedulePostConnectivityChange() {
1273        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1274        if (alarmManager == null) {
1275            return;
1276        }
1277        final long triggerAtMillis = SystemClock.elapsedRealtime() + (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL * 1000);
1278        final Intent intent = new Intent(this, EventReceiver.class);
1279        intent.setAction(ACTION_POST_CONNECTIVITY_CHANGE);
1280        try {
1281            final PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 1, intent, 0);
1282            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1283                alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1284            } else {
1285                alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1286            }
1287        } catch (RuntimeException e) {
1288            Log.e(Config.LOGTAG, "unable to schedule alarm for post connectivity change", e);
1289        }
1290    }
1291
1292    public void scheduleWakeUpCall(int seconds, int requestCode) {
1293        final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000;
1294        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1295        if (alarmManager == null) {
1296            return;
1297        }
1298        final Intent intent = new Intent(this, EventReceiver.class);
1299        intent.setAction("ping");
1300        try {
1301            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, requestCode, intent, 0);
1302            alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1303        } catch (RuntimeException e) {
1304            Log.e(Config.LOGTAG, "unable to schedule alarm for ping", e);
1305        }
1306    }
1307
1308    @TargetApi(Build.VERSION_CODES.M)
1309    private void scheduleNextIdlePing() {
1310        final long timeToWake = SystemClock.elapsedRealtime() + (Config.IDLE_PING_INTERVAL * 1000);
1311        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1312        if (alarmManager == null) {
1313            return;
1314        }
1315        final Intent intent = new Intent(this, EventReceiver.class);
1316        intent.setAction(ACTION_IDLE_PING);
1317        try {
1318            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
1319            alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1320        } catch (RuntimeException e) {
1321            Log.d(Config.LOGTAG, "unable to schedule alarm for idle ping", e);
1322        }
1323    }
1324
1325    public XmppConnection createConnection(final Account account) {
1326        final XmppConnection connection = new XmppConnection(account, this);
1327        connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1328        connection.setOnStatusChangedListener(this.statusListener);
1329        connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1330        connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1331        connection.setOnJinglePacketReceivedListener(this.jingleListener);
1332        connection.setOnBindListener(this.mOnBindListener);
1333        connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1334        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1335        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1336        AxolotlService axolotlService = account.getAxolotlService();
1337        if (axolotlService != null) {
1338            connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1339        }
1340        return connection;
1341    }
1342
1343    public void sendChatState(Conversation conversation) {
1344        if (sendChatStates()) {
1345            MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1346            sendMessagePacket(conversation.getAccount(), packet);
1347        }
1348    }
1349
1350    private void sendFileMessage(final Message message, final boolean delay) {
1351        Log.d(Config.LOGTAG, "send file message");
1352        final Account account = message.getConversation().getAccount();
1353        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1354                || message.getConversation().getMode() == Conversation.MODE_MULTI) {
1355            mHttpConnectionManager.createNewUploadConnection(message, delay);
1356        } else {
1357            mJingleConnectionManager.createNewConnection(message);
1358        }
1359    }
1360
1361    public void sendMessage(final Message message) {
1362        sendMessage(message, false, false);
1363    }
1364
1365    private void sendMessage(final Message message, final boolean resend, final boolean delay) {
1366        final Account account = message.getConversation().getAccount();
1367        if (account.setShowErrorNotification(true)) {
1368            databaseBackend.updateAccount(account);
1369            mNotificationService.updateErrorNotification();
1370        }
1371        final Conversation conversation = (Conversation) message.getConversation();
1372        account.deactivateGracePeriod();
1373
1374
1375        if (QuickConversationsService.isQuicksy() && conversation.getMode() == Conversation.MODE_SINGLE) {
1376            final Contact contact = conversation.getContact();
1377            if (!contact.showInRoster() && contact.getOption(Contact.Options.SYNCED_VIA_OTHER)) {
1378                Log.d(Config.LOGTAG,account.getJid().asBareJid()+": adding "+contact.getJid()+" on sending message");
1379                createContact(contact, true);
1380            }
1381        }
1382
1383        MessagePacket packet = null;
1384        final boolean addToConversation = (conversation.getMode() != Conversation.MODE_MULTI
1385                || !Patches.BAD_MUC_REFLECTION.contains(account.getServerIdentity()))
1386                && !message.edited();
1387        boolean saveInDb = addToConversation;
1388        message.setStatus(Message.STATUS_WAITING);
1389
1390        if (message.getEncryption() != Message.ENCRYPTION_NONE && conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous()) {
1391            if (conversation.setAttribute(Conversation.ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS, true)) {
1392                databaseBackend.updateConversation(conversation);
1393            }
1394        }
1395
1396        final boolean inProgressJoin;
1397        synchronized (account.inProgressConferenceJoins) {
1398            inProgressJoin = conversation.getMode() == Conversational.MODE_MULTI && account.inProgressConferenceJoins.contains(conversation);
1399        }
1400
1401        if (account.isOnlineAndConnected() && !inProgressJoin) {
1402            switch (message.getEncryption()) {
1403                case Message.ENCRYPTION_NONE:
1404                    if (message.needsUploading()) {
1405                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1406                                || conversation.getMode() == Conversation.MODE_MULTI
1407                                || message.fixCounterpart()) {
1408                            this.sendFileMessage(message, delay);
1409                        } else {
1410                            break;
1411                        }
1412                    } else {
1413                        packet = mMessageGenerator.generateChat(message);
1414                    }
1415                    break;
1416                case Message.ENCRYPTION_PGP:
1417                case Message.ENCRYPTION_DECRYPTED:
1418                    if (message.needsUploading()) {
1419                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1420                                || conversation.getMode() == Conversation.MODE_MULTI
1421                                || message.fixCounterpart()) {
1422                            this.sendFileMessage(message, delay);
1423                        } else {
1424                            break;
1425                        }
1426                    } else {
1427                        packet = mMessageGenerator.generatePgpChat(message);
1428                    }
1429                    break;
1430                case Message.ENCRYPTION_AXOLOTL:
1431                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1432                    if (message.needsUploading()) {
1433                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1434                                || conversation.getMode() == Conversation.MODE_MULTI
1435                                || message.fixCounterpart()) {
1436                            this.sendFileMessage(message, delay);
1437                        } else {
1438                            break;
1439                        }
1440                    } else {
1441                        XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1442                        if (axolotlMessage == null) {
1443                            account.getAxolotlService().preparePayloadMessage(message, delay);
1444                        } else {
1445                            packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1446                        }
1447                    }
1448                    break;
1449
1450            }
1451            if (packet != null) {
1452                if (account.getXmppConnection().getFeatures().sm()
1453                        || (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1454                    message.setStatus(Message.STATUS_UNSEND);
1455                } else {
1456                    message.setStatus(Message.STATUS_SEND);
1457                }
1458            }
1459        } else {
1460            switch (message.getEncryption()) {
1461                case Message.ENCRYPTION_DECRYPTED:
1462                    if (!message.needsUploading()) {
1463                        String pgpBody = message.getEncryptedBody();
1464                        String decryptedBody = message.getBody();
1465                        message.setBody(pgpBody); //TODO might throw NPE
1466                        message.setEncryption(Message.ENCRYPTION_PGP);
1467                        if (message.edited()) {
1468                            message.setBody(decryptedBody);
1469                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1470                            if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1471                                Log.e(Config.LOGTAG,"error updated message in DB after edit");
1472                            }
1473                            updateConversationUi();
1474                            return;
1475                        } else {
1476                            databaseBackend.createMessage(message);
1477                            saveInDb = false;
1478                            message.setBody(decryptedBody);
1479                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1480                        }
1481                    }
1482                    break;
1483                case Message.ENCRYPTION_AXOLOTL:
1484                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1485                    break;
1486            }
1487        }
1488
1489
1490        boolean mucMessage = conversation.getMode() == Conversation.MODE_MULTI && !message.isPrivateMessage();
1491        if (mucMessage) {
1492            message.setCounterpart(conversation.getMucOptions().getSelf().getFullJid());
1493        }
1494
1495        if (resend) {
1496            if (packet != null && addToConversation) {
1497                if (account.getXmppConnection().getFeatures().sm() || mucMessage) {
1498                    markMessage(message, Message.STATUS_UNSEND);
1499                } else {
1500                    markMessage(message, Message.STATUS_SEND);
1501                }
1502            }
1503        } else {
1504            if (addToConversation) {
1505                conversation.add(message);
1506            }
1507            if (saveInDb) {
1508                databaseBackend.createMessage(message);
1509            } else if (message.edited()) {
1510                if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1511                    Log.e(Config.LOGTAG,"error updated message in DB after edit");
1512                }
1513            }
1514            updateConversationUi();
1515        }
1516        if (packet != null) {
1517            if (delay) {
1518                mMessageGenerator.addDelay(packet, message.getTimeSent());
1519            }
1520            if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
1521                if (this.sendChatStates()) {
1522                    packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1523                }
1524            }
1525            Log.d(Config.LOGTAG,packet.toString());
1526            sendMessagePacket(account, packet);
1527        }
1528    }
1529
1530    private void sendUnsentMessages(final Conversation conversation) {
1531        conversation.findWaitingMessages(message -> resendMessage(message, true));
1532    }
1533
1534    public void resendMessage(final Message message, final boolean delay) {
1535        sendMessage(message, true, delay);
1536    }
1537
1538    public void fetchRosterFromServer(final Account account) {
1539        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1540        if (!"".equals(account.getRosterVersion())) {
1541            Log.d(Config.LOGTAG, account.getJid().asBareJid()
1542                    + ": fetching roster version " + account.getRosterVersion());
1543        } else {
1544            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching roster");
1545        }
1546        iqPacket.query(Namespace.ROSTER).setAttribute("ver", account.getRosterVersion());
1547        sendIqPacket(account, iqPacket, mIqParser);
1548    }
1549
1550    public void fetchBookmarks(final Account account) {
1551        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1552        final Element query = iqPacket.query("jabber:iq:private");
1553        query.addChild("storage", Namespace.BOOKMARKS);
1554        final OnIqPacketReceived callback = (a, response) -> {
1555            if (response.getType() == IqPacket.TYPE.RESULT) {
1556                final Element query1 = response.query();
1557                final Element storage = query1.findChild("storage", "storage:bookmarks");
1558                processBookmarks(a, storage, false);
1559            } else {
1560                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": could not fetch bookmarks");
1561            }
1562        };
1563        sendIqPacket(account, iqPacket, callback);
1564    }
1565
1566    public void processBookmarks(Account account, Element storage, final boolean pep) {
1567        final Set<Jid> previousBookmarks = account.getBookmarkedJids();
1568        final HashMap<Jid, Bookmark> bookmarks = new HashMap<>();
1569        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1570        if (storage != null) {
1571            for (final Element item : storage.getChildren()) {
1572                if (item.getName().equals("conference")) {
1573                    final Bookmark bookmark = Bookmark.parse(item, account);
1574                    Bookmark old = bookmarks.put(bookmark.getJid(), bookmark);
1575                    if (old != null && old.getBookmarkName() != null && bookmark.getBookmarkName() == null) {
1576                        bookmark.setBookmarkName(old.getBookmarkName());
1577                    }
1578                    if (bookmark.getJid() == null) {
1579                        continue;
1580                    }
1581                    previousBookmarks.remove(bookmark.getJid().asBareJid());
1582                    Conversation conversation = find(bookmark);
1583                    if (conversation != null) {
1584                        if (conversation.getMode() != Conversation.MODE_MULTI) {
1585                            continue;
1586                        }
1587                        bookmark.setConversation(conversation);
1588                        if (pep && synchronizeWithBookmarks && !bookmark.autojoin()) {
1589                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": archiving conference ("+conversation.getJid()+") after receiving pep");
1590                            archiveConversation(conversation, false);
1591                        }
1592                    } else if (synchronizeWithBookmarks && bookmark.autojoin()) {
1593                        conversation = findOrCreateConversation(account, bookmark.getFullJid(), true, true, false);
1594                        bookmark.setConversation(conversation);
1595                    }
1596                }
1597            }
1598            if (pep && synchronizeWithBookmarks) {
1599                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": " + previousBookmarks.size() + " bookmarks have been removed");
1600                for (Jid jid : previousBookmarks) {
1601                    final Conversation conversation = find(account, jid);
1602                    if (conversation != null && conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
1603                        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": archiving destroyed conference ("+conversation.getJid()+") after receiving pep");
1604                        archiveConversation(conversation, false);
1605                    }
1606                }
1607            }
1608        }
1609        account.setBookmarks(new CopyOnWriteArrayList<>(bookmarks.values()));
1610    }
1611
1612    public void pushBookmarks(Account account) {
1613        final XmppConnection connection = account.getXmppConnection();
1614        if (connection != null && connection.getFeatures().bookmarksConversion()) {
1615            pushBookmarksPep(account);
1616        } else {
1617            pushBookmarksPrivateXml(account);
1618        }
1619    }
1620
1621    private void pushBookmarksPrivateXml(Account account) {
1622        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via private xml");
1623        IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1624        Element query = iqPacket.query("jabber:iq:private");
1625        Element storage = query.addChild("storage", "storage:bookmarks");
1626        for (Bookmark bookmark : account.getBookmarks()) {
1627            storage.addChild(bookmark);
1628        }
1629        sendIqPacket(account, iqPacket, mDefaultIqHandler);
1630    }
1631
1632    private void pushBookmarksPep(Account account) {
1633        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via pep");
1634        Element storage = new Element("storage", "storage:bookmarks");
1635        for (Bookmark bookmark : account.getBookmarks()) {
1636            storage.addChild(bookmark);
1637        }
1638        pushNodeAndEnforcePublishOptions(account,Namespace.BOOKMARKS,storage, PublishOptions.persistentWhitelistAccess());
1639
1640    }
1641
1642
1643    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final Bundle options) {
1644        pushNodeAndEnforcePublishOptions(account, node, element, options, true);
1645
1646    }
1647
1648	private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final Bundle options, final boolean retry) {
1649        final IqPacket packet = mIqGenerator.publishElement(node, element, options);
1650        sendIqPacket(account, packet, (a, response) -> {
1651            if (response.getType() == IqPacket.TYPE.RESULT) {
1652                return;
1653            }
1654            if (retry && PublishOptions.preconditionNotMet(response)) {
1655                pushNodeConfiguration(account, node, options, new OnConfigurationPushed() {
1656                    @Override
1657                    public void onPushSucceeded() {
1658                        pushNodeAndEnforcePublishOptions(account, node, element, options, false);
1659                    }
1660
1661                    @Override
1662                    public void onPushFailed() {
1663                        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to push node configuration ("+node+")");
1664                    }
1665                });
1666            } else {
1667                Log.d(Config.LOGTAG,account.getJid().asBareJid()+": error publishing bookmarks (retry="+Boolean.toString(retry)+") "+response);
1668            }
1669        });
1670    }
1671
1672	private void restoreFromDatabase() {
1673		synchronized (this.conversations) {
1674			final Map<String, Account> accountLookupTable = new Hashtable<>();
1675			for (Account account : this.accounts) {
1676				accountLookupTable.put(account.getUuid(), account);
1677			}
1678			Log.d(Config.LOGTAG, "restoring conversations...");
1679			final long startTimeConversationsRestore = SystemClock.elapsedRealtime();
1680			this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1681			for (Iterator<Conversation> iterator = conversations.listIterator(); iterator.hasNext(); ) {
1682				Conversation conversation = iterator.next();
1683				Account account = accountLookupTable.get(conversation.getAccountUuid());
1684				if (account != null) {
1685					conversation.setAccount(account);
1686				} else {
1687					Log.e(Config.LOGTAG, "unable to restore Conversations with " + conversation.getJid());
1688					iterator.remove();
1689				}
1690			}
1691			long diffConversationsRestore = SystemClock.elapsedRealtime() - startTimeConversationsRestore;
1692			Log.d(Config.LOGTAG, "finished restoring conversations in " + diffConversationsRestore + "ms");
1693			Runnable runnable = () -> {
1694				long deletionDate = getAutomaticMessageDeletionDate();
1695				mLastExpiryRun.set(SystemClock.elapsedRealtime());
1696				if (deletionDate > 0) {
1697					Log.d(Config.LOGTAG, "deleting messages that are older than " + AbstractGenerator.getTimestamp(deletionDate));
1698					databaseBackend.expireOldMessages(deletionDate);
1699				}
1700				Log.d(Config.LOGTAG, "restoring roster...");
1701				for (Account account : accounts) {
1702					databaseBackend.readRoster(account.getRoster());
1703					account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1704				}
1705				getBitmapCache().evictAll();
1706				loadPhoneContacts();
1707				Log.d(Config.LOGTAG, "restoring messages...");
1708				final long startMessageRestore = SystemClock.elapsedRealtime();
1709				final Conversation quickLoad = QuickLoader.get(this.conversations);
1710				if (quickLoad != null) {
1711					restoreMessages(quickLoad);
1712					updateConversationUi();
1713					final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1714					Log.d(Config.LOGTAG,"quickly restored "+quickLoad.getName()+" after " + diffMessageRestore + "ms");
1715				}
1716				for (Conversation conversation : this.conversations) {
1717					if (quickLoad != conversation) {
1718						restoreMessages(conversation);
1719					}
1720				}
1721				mNotificationService.finishBacklog(false);
1722				restoredFromDatabaseLatch.countDown();
1723				final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1724				Log.d(Config.LOGTAG, "finished restoring messages in " + diffMessageRestore + "ms");
1725				updateConversationUi();
1726			};
1727			mDatabaseReaderExecutor.execute(runnable); //will contain one write command (expiry) but that's fine
1728		}
1729	}
1730
1731	private void restoreMessages(Conversation conversation) {
1732		conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1733		conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
1734		conversation.findUnreadMessages(message -> mNotificationService.pushFromBacklog(message));
1735	}
1736
1737	public void loadPhoneContacts() {
1738        mContactMergerExecutor.execute(() -> {
1739            Map<Jid, JabberIdContact> contacts = JabberIdContact.load(this);
1740            Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1741            for (Account account : accounts) {
1742                List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts(JabberIdContact.class);
1743                for (JabberIdContact jidContact : contacts.values()) {
1744                    final Contact contact = account.getRoster().getContact(jidContact.getJid());
1745                    boolean needsCacheClean = contact.setPhoneContact(jidContact);
1746                    if (needsCacheClean) {
1747                        getAvatarService().clear(contact);
1748                    }
1749                    withSystemAccounts.remove(contact);
1750                }
1751                for (Contact contact : withSystemAccounts) {
1752                    boolean needsCacheClean = contact.unsetPhoneContact(JabberIdContact.class);
1753                    if (needsCacheClean) {
1754                        getAvatarService().clear(contact);
1755                    }
1756                }
1757            }
1758            Log.d(Config.LOGTAG, "finished merging phone contacts");
1759            mShortcutService.refresh(mInitialAddressbookSyncCompleted.compareAndSet(false, true));
1760            updateRosterUi();
1761            mQuickConversationsService.considerSync();
1762        });
1763	}
1764
1765
1766	public void syncRoster(final Account account) {
1767		mRosterSyncTaskManager.execute(account, () -> databaseBackend.writeRoster(account.getRoster()));
1768	}
1769
1770	public List<Conversation> getConversations() {
1771		return this.conversations;
1772	}
1773
1774	private void markFileDeleted(final String path) {
1775        final File file = new File(path);
1776        final boolean isInternalFile = fileBackend.isInternalFile(file);
1777        final List<String> uuids = databaseBackend.markFileAsDeleted(file, isInternalFile);
1778        Log.d(Config.LOGTAG, "deleted file " + path+" internal="+isInternalFile+", database hits="+uuids.size());
1779        markUuidsAsDeletedFiles(uuids);
1780	}
1781
1782	private void markUuidsAsDeletedFiles(List<String> uuids) {
1783        boolean deleted = false;
1784        for (Conversation conversation : getConversations()) {
1785            deleted |= conversation.markAsDeleted(uuids);
1786        }
1787        if (deleted) {
1788            updateConversationUi();
1789        }
1790    }
1791
1792    private void markChangedFiles(List<DatabaseBackend.FilePathInfo> infos) {
1793        boolean changed = false;
1794        for (Conversation conversation : getConversations()) {
1795            changed |= conversation.markAsChanged(infos);
1796        }
1797        if (changed) {
1798            updateConversationUi();
1799        }
1800    }
1801
1802	public void populateWithOrderedConversations(final List<Conversation> list) {
1803		populateWithOrderedConversations(list, true, true);
1804	}
1805
1806	public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload) {
1807        populateWithOrderedConversations(list, includeNoFileUpload, true);
1808    }
1809
1810	public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload, final boolean sort) {
1811        final List<String> orderedUuids;
1812        if (sort) {
1813            orderedUuids = null;
1814        } else {
1815            orderedUuids = new ArrayList<>();
1816            for(Conversation conversation : list) {
1817                orderedUuids.add(conversation.getUuid());
1818            }
1819        }
1820		list.clear();
1821		if (includeNoFileUpload) {
1822			list.addAll(getConversations());
1823		} else {
1824			for (Conversation conversation : getConversations()) {
1825				if (conversation.getMode() == Conversation.MODE_SINGLE
1826						|| (conversation.getAccount().httpUploadAvailable() && conversation.getMucOptions().participating())) {
1827					list.add(conversation);
1828				}
1829			}
1830		}
1831		try {
1832		    if (orderedUuids != null) {
1833                Collections.sort(list, (a, b) -> {
1834                    final int indexA = orderedUuids.indexOf(a.getUuid());
1835                    final int indexB = orderedUuids.indexOf(b.getUuid());
1836                    if (indexA == -1 || indexB == -1 || indexA == indexB) {
1837                        return a.compareTo(b);
1838                    }
1839                    return indexA - indexB;
1840                });
1841            } else {
1842                Collections.sort(list);
1843            }
1844		} catch (IllegalArgumentException e) {
1845			//ignore
1846		}
1847	}
1848
1849	public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
1850		if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
1851			return;
1852		} else if (timestamp == 0) {
1853			return;
1854		}
1855		Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
1856		final Runnable runnable = () -> {
1857			final Account account = conversation.getAccount();
1858			List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
1859			if (messages.size() > 0) {
1860				conversation.addAll(0, messages);
1861				callback.onMoreMessagesLoaded(messages.size(), conversation);
1862			} else if (conversation.hasMessagesLeftOnServer()
1863					&& account.isOnlineAndConnected()
1864					&& conversation.getLastClearHistory().getTimestamp() == 0) {
1865				final boolean mamAvailable;
1866				if (conversation.getMode() == Conversation.MODE_SINGLE) {
1867					mamAvailable = account.getXmppConnection().getFeatures().mam() && !conversation.getContact().isBlocked();
1868				} else {
1869					mamAvailable = conversation.getMucOptions().mamSupport();
1870				}
1871				if (mamAvailable) {
1872					MessageArchiveService.Query query = getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
1873					if (query != null) {
1874						query.setCallback(callback);
1875						callback.informUser(R.string.fetching_history_from_server);
1876					} else {
1877						callback.informUser(R.string.not_fetching_history_retention_period);
1878					}
1879
1880				}
1881			}
1882		};
1883		mDatabaseReaderExecutor.execute(runnable);
1884	}
1885
1886	public List<Account> getAccounts() {
1887		return this.accounts;
1888	}
1889
1890
1891    /**
1892     * 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)
1893     */
1894	public List<Conversation> findAllConferencesWith(Contact contact) {
1895		ArrayList<Conversation> results = new ArrayList<>();
1896		for (final Conversation c : conversations) {
1897			if (c.getMode() == Conversation.MODE_MULTI && (c.getJid().asBareJid().equals(contact.getJid().asBareJid()) || c.getMucOptions().isContactInRoom(contact))) {
1898			    results.add(c);
1899			}
1900		}
1901		return results;
1902	}
1903
1904	public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
1905		for (final Conversation conversation : haystack) {
1906			if (conversation.getContact() == contact) {
1907				return conversation;
1908			}
1909		}
1910		return null;
1911	}
1912
1913	public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
1914		if (jid == null) {
1915			return null;
1916		}
1917		for (final Conversation conversation : haystack) {
1918			if ((account == null || conversation.getAccount() == account)
1919					&& (conversation.getJid().asBareJid().equals(jid.asBareJid()))) {
1920				return conversation;
1921			}
1922		}
1923		return null;
1924	}
1925
1926	public boolean isConversationsListEmpty(final Conversation ignore) {
1927		synchronized (this.conversations) {
1928			final int size = this.conversations.size();
1929			return size == 0 || size == 1 && this.conversations.get(0) == ignore;
1930		}
1931	}
1932
1933	public boolean isConversationStillOpen(final Conversation conversation) {
1934		synchronized (this.conversations) {
1935			for (Conversation current : this.conversations) {
1936				if (current == conversation) {
1937					return true;
1938				}
1939			}
1940		}
1941		return false;
1942	}
1943
1944	public Conversation findOrCreateConversation(Account account, Jid jid, boolean muc, final boolean async) {
1945		return this.findOrCreateConversation(account, jid, muc, false, async);
1946	}
1947
1948	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final boolean async) {
1949		return this.findOrCreateConversation(account, jid, muc, joinAfterCreate, null, async);
1950	}
1951
1952	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final MessageArchiveService.Query query, final boolean async) {
1953		synchronized (this.conversations) {
1954			Conversation conversation = find(account, jid);
1955			if (conversation != null) {
1956				return conversation;
1957			}
1958			conversation = databaseBackend.findConversation(account, jid);
1959			final boolean loadMessagesFromDb;
1960			if (conversation != null) {
1961				conversation.setStatus(Conversation.STATUS_AVAILABLE);
1962				conversation.setAccount(account);
1963				if (muc) {
1964					conversation.setMode(Conversation.MODE_MULTI);
1965					conversation.setContactJid(jid);
1966				} else {
1967					conversation.setMode(Conversation.MODE_SINGLE);
1968					conversation.setContactJid(jid.asBareJid());
1969				}
1970				databaseBackend.updateConversation(conversation);
1971				loadMessagesFromDb = conversation.messagesLoaded.compareAndSet(true, false);
1972			} else {
1973				String conversationName;
1974				Contact contact = account.getRoster().getContact(jid);
1975				if (contact != null) {
1976					conversationName = contact.getDisplayName();
1977				} else {
1978					conversationName = jid.getLocal();
1979				}
1980				if (muc) {
1981					conversation = new Conversation(conversationName, account, jid,
1982							Conversation.MODE_MULTI);
1983				} else {
1984					conversation = new Conversation(conversationName, account, jid.asBareJid(),
1985							Conversation.MODE_SINGLE);
1986				}
1987				this.databaseBackend.createConversation(conversation);
1988				loadMessagesFromDb = false;
1989			}
1990			final Conversation c = conversation;
1991			final Runnable runnable = () -> {
1992				if (loadMessagesFromDb) {
1993					c.addAll(0, databaseBackend.getMessages(c, Config.PAGE_SIZE));
1994					updateConversationUi();
1995					c.messagesLoaded.set(true);
1996				}
1997				if (account.getXmppConnection() != null
1998						&& !c.getContact().isBlocked()
1999						&& account.getXmppConnection().getFeatures().mam()
2000						&& !muc) {
2001					if (query == null) {
2002						mMessageArchiveService.query(c);
2003					} else {
2004						if (query.getConversation() == null) {
2005							mMessageArchiveService.query(c, query.getStart(), query.isCatchup());
2006						}
2007					}
2008				}
2009				if (joinAfterCreate) {
2010					joinMuc(c);
2011				}
2012			};
2013			if (async) {
2014				mDatabaseReaderExecutor.execute(runnable);
2015			} else {
2016				runnable.run();
2017			}
2018			this.conversations.add(conversation);
2019			updateConversationUi();
2020			return conversation;
2021		}
2022	}
2023
2024	public void archiveConversation(Conversation conversation) {
2025	    archiveConversation(conversation, true);
2026    }
2027
2028	private void archiveConversation(Conversation conversation, final boolean maySynchronizeWithBookmarks) {
2029		getNotificationService().clear(conversation);
2030		conversation.setStatus(Conversation.STATUS_ARCHIVED);
2031		conversation.setNextMessage(null);
2032		synchronized (this.conversations) {
2033			getMessageArchiveService().kill(conversation);
2034			if (conversation.getMode() == Conversation.MODE_MULTI) {
2035				if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2036					Bookmark bookmark = conversation.getBookmark();
2037					if (maySynchronizeWithBookmarks && bookmark != null && synchronizeWithBookmarks()) {
2038						if (conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
2039							Account account = bookmark.getAccount();
2040							bookmark.setConversation(null);
2041							account.getBookmarks().remove(bookmark);
2042							pushBookmarks(account);
2043						} else if (bookmark.autojoin()) {
2044							bookmark.setAutojoin(false);
2045							pushBookmarks(bookmark.getAccount());
2046						}
2047					}
2048				}
2049				leaveMuc(conversation);
2050			} else {
2051				if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
2052				    stopPresenceUpdatesTo(conversation.getContact());
2053				}
2054			}
2055			updateConversation(conversation);
2056			this.conversations.remove(conversation);
2057			updateConversationUi();
2058		}
2059	}
2060
2061	public void stopPresenceUpdatesTo(Contact contact) {
2062        Log.d(Config.LOGTAG, "Canceling presence request from " + contact.getJid().toString());
2063        sendPresencePacket(contact.getAccount(), mPresenceGenerator.stopPresenceUpdatesTo(contact));
2064        contact.resetOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
2065    }
2066
2067	public void createAccount(final Account account) {
2068		account.initAccountServices(this);
2069		databaseBackend.createAccount(account);
2070		this.accounts.add(account);
2071		this.reconnectAccountInBackground(account);
2072		updateAccountUi();
2073		syncEnabledAccountSetting();
2074		toggleForegroundService();
2075	}
2076
2077	private void syncEnabledAccountSetting() {
2078	    final boolean hasEnabledAccounts = hasEnabledAccounts();
2079		getPreferences().edit().putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
2080		toggleSetProfilePictureActivity(hasEnabledAccounts);
2081	}
2082
2083	private void toggleSetProfilePictureActivity(final boolean enabled) {
2084	    try {
2085	        final ComponentName name = new ComponentName(this, ChooseAccountForProfilePictureActivity.class);
2086	        final int targetState =  enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
2087            getPackageManager().setComponentEnabledSetting(name, targetState, PackageManager.DONT_KILL_APP);
2088        } catch (IllegalStateException e) {
2089	        Log.d(Config.LOGTAG,"unable to toggle profile picture actvitiy");
2090        }
2091    }
2092
2093	public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
2094		new Thread(() -> {
2095			try {
2096				final X509Certificate[] chain = KeyChain.getCertificateChain(this, alias);
2097				final X509Certificate cert = chain != null && chain.length > 0 ? chain[0] : null;
2098				if (cert == null) {
2099					callback.informUser(R.string.unable_to_parse_certificate);
2100					return;
2101				}
2102				Pair<Jid, String> info = CryptoHelper.extractJidAndName(cert);
2103				if (info == null) {
2104					callback.informUser(R.string.certificate_does_not_contain_jid);
2105					return;
2106				}
2107				if (findAccountByJid(info.first) == null) {
2108					Account account = new Account(info.first, "");
2109					account.setPrivateKeyAlias(alias);
2110					account.setOption(Account.OPTION_DISABLED, true);
2111					account.setDisplayName(info.second);
2112					createAccount(account);
2113					callback.onAccountCreated(account);
2114					if (Config.X509_VERIFICATION) {
2115						try {
2116							getMemorizingTrustManager().getNonInteractive(account.getJid().getDomain()).checkClientTrusted(chain, "RSA");
2117						} catch (CertificateException e) {
2118							callback.informUser(R.string.certificate_chain_is_not_trusted);
2119						}
2120					}
2121				} else {
2122					callback.informUser(R.string.account_already_exists);
2123				}
2124			} catch (Exception e) {
2125				e.printStackTrace();
2126				callback.informUser(R.string.unable_to_parse_certificate);
2127			}
2128		}).start();
2129
2130	}
2131
2132	public void updateKeyInAccount(final Account account, final String alias) {
2133		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": update key in account " + alias);
2134		try {
2135			X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
2136			Log.d(Config.LOGTAG, account.getJid().asBareJid() + " loaded certificate chain");
2137			Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
2138			if (info == null) {
2139				showErrorToastInUi(R.string.certificate_does_not_contain_jid);
2140				return;
2141			}
2142			if (account.getJid().asBareJid().equals(info.first)) {
2143				account.setPrivateKeyAlias(alias);
2144				account.setDisplayName(info.second);
2145				databaseBackend.updateAccount(account);
2146				if (Config.X509_VERIFICATION) {
2147					try {
2148						getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
2149					} catch (CertificateException e) {
2150						showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
2151					}
2152					account.getAxolotlService().regenerateKeys(true);
2153				}
2154			} else {
2155				showErrorToastInUi(R.string.jid_does_not_match_certificate);
2156			}
2157		} catch (Exception e) {
2158			e.printStackTrace();
2159		}
2160	}
2161
2162	public boolean updateAccount(final Account account) {
2163		if (databaseBackend.updateAccount(account)) {
2164			account.setShowErrorNotification(true);
2165			this.statusListener.onStatusChanged(account);
2166			databaseBackend.updateAccount(account);
2167			reconnectAccountInBackground(account);
2168			updateAccountUi();
2169			getNotificationService().updateErrorNotification();
2170			toggleForegroundService();
2171			syncEnabledAccountSetting();
2172			return true;
2173		} else {
2174			return false;
2175		}
2176	}
2177
2178	public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
2179		final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
2180		sendIqPacket(account, iq, (a, packet) -> {
2181			if (packet.getType() == IqPacket.TYPE.RESULT) {
2182				a.setPassword(newPassword);
2183				a.setOption(Account.OPTION_MAGIC_CREATE, false);
2184				databaseBackend.updateAccount(a);
2185				callback.onPasswordChangeSucceeded();
2186			} else {
2187				callback.onPasswordChangeFailed();
2188			}
2189		});
2190	}
2191
2192	public void deleteAccount(final Account account) {
2193		synchronized (this.conversations) {
2194			for (final Conversation conversation : conversations) {
2195				if (conversation.getAccount() == account) {
2196					if (conversation.getMode() == Conversation.MODE_MULTI) {
2197						leaveMuc(conversation);
2198					}
2199					conversations.remove(conversation);
2200				}
2201			}
2202			if (account.getXmppConnection() != null) {
2203				new Thread(() -> disconnect(account, true)).start();
2204			}
2205			final Runnable runnable = () -> {
2206				if (!databaseBackend.deleteAccount(account)) {
2207					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to delete account");
2208				}
2209			};
2210			mDatabaseWriterExecutor.execute(runnable);
2211			this.accounts.remove(account);
2212			this.mRosterSyncTaskManager.clear(account);
2213			updateAccountUi();
2214			getNotificationService().updateErrorNotification();
2215			syncEnabledAccountSetting();
2216			toggleForegroundService();
2217		}
2218	}
2219
2220	public void setOnConversationListChangedListener(OnConversationUpdate listener) {
2221		final boolean remainingListeners;
2222		synchronized (LISTENER_LOCK) {
2223			remainingListeners = checkListeners();
2224			if (!this.mOnConversationUpdates.add(listener)) {
2225				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as ConversationListChangedListener");
2226			}
2227			this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2228		}
2229		if (remainingListeners) {
2230			switchToForeground();
2231		}
2232	}
2233
2234	public void removeOnConversationListChangedListener(OnConversationUpdate listener) {
2235		final boolean remainingListeners;
2236		synchronized (LISTENER_LOCK) {
2237			this.mOnConversationUpdates.remove(listener);
2238			this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2239			remainingListeners = checkListeners();
2240		}
2241		if (remainingListeners) {
2242			switchToBackground();
2243		}
2244	}
2245
2246	public void setOnShowErrorToastListener(OnShowErrorToast listener) {
2247		final boolean remainingListeners;
2248		synchronized (LISTENER_LOCK) {
2249			remainingListeners = checkListeners();
2250			if (!this.mOnShowErrorToasts.add(listener)) {
2251				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnShowErrorToastListener");
2252			}
2253		}
2254		if (remainingListeners) {
2255			switchToForeground();
2256		}
2257	}
2258
2259	public void removeOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
2260		final boolean remainingListeners;
2261		synchronized (LISTENER_LOCK) {
2262			this.mOnShowErrorToasts.remove(onShowErrorToast);
2263			remainingListeners = checkListeners();
2264		}
2265		if (remainingListeners) {
2266			switchToBackground();
2267		}
2268	}
2269
2270	public void setOnAccountListChangedListener(OnAccountUpdate listener) {
2271		final boolean remainingListeners;
2272		synchronized (LISTENER_LOCK) {
2273			remainingListeners = checkListeners();
2274			if (!this.mOnAccountUpdates.add(listener)) {
2275				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnAccountListChangedtListener");
2276			}
2277		}
2278		if (remainingListeners) {
2279			switchToForeground();
2280		}
2281	}
2282
2283	public void removeOnAccountListChangedListener(OnAccountUpdate listener) {
2284		final boolean remainingListeners;
2285		synchronized (LISTENER_LOCK) {
2286			this.mOnAccountUpdates.remove(listener);
2287			remainingListeners = checkListeners();
2288		}
2289		if (remainingListeners) {
2290			switchToBackground();
2291		}
2292	}
2293
2294	public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2295		final boolean remainingListeners;
2296		synchronized (LISTENER_LOCK) {
2297			remainingListeners = checkListeners();
2298			if (!this.mOnCaptchaRequested.add(listener)) {
2299				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnCaptchaRequestListener");
2300			}
2301		}
2302		if (remainingListeners) {
2303			switchToForeground();
2304		}
2305	}
2306
2307	public void removeOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2308		final boolean remainingListeners;
2309		synchronized (LISTENER_LOCK) {
2310			this.mOnCaptchaRequested.remove(listener);
2311			remainingListeners = checkListeners();
2312		}
2313		if (remainingListeners) {
2314			switchToBackground();
2315		}
2316	}
2317
2318	public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
2319		final boolean remainingListeners;
2320		synchronized (LISTENER_LOCK) {
2321			remainingListeners = checkListeners();
2322			if (!this.mOnRosterUpdates.add(listener)) {
2323				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnRosterUpdateListener");
2324			}
2325		}
2326		if (remainingListeners) {
2327			switchToForeground();
2328		}
2329	}
2330
2331	public void removeOnRosterUpdateListener(final OnRosterUpdate listener) {
2332		final boolean remainingListeners;
2333		synchronized (LISTENER_LOCK) {
2334			this.mOnRosterUpdates.remove(listener);
2335			remainingListeners = checkListeners();
2336		}
2337		if (remainingListeners) {
2338			switchToBackground();
2339		}
2340	}
2341
2342	public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2343		final boolean remainingListeners;
2344		synchronized (LISTENER_LOCK) {
2345			remainingListeners = checkListeners();
2346			if (!this.mOnUpdateBlocklist.add(listener)) {
2347				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnUpdateBlocklistListener");
2348			}
2349		}
2350		if (remainingListeners) {
2351			switchToForeground();
2352		}
2353	}
2354
2355	public void removeOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2356		final boolean remainingListeners;
2357		synchronized (LISTENER_LOCK) {
2358			this.mOnUpdateBlocklist.remove(listener);
2359			remainingListeners = checkListeners();
2360		}
2361		if (remainingListeners) {
2362			switchToBackground();
2363		}
2364	}
2365
2366	public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
2367		final boolean remainingListeners;
2368		synchronized (LISTENER_LOCK) {
2369			remainingListeners = checkListeners();
2370			if (!this.mOnKeyStatusUpdated.add(listener)) {
2371				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnKeyStatusUpdateListener");
2372			}
2373		}
2374		if (remainingListeners) {
2375			switchToForeground();
2376		}
2377	}
2378
2379	public void removeOnNewKeysAvailableListener(final OnKeyStatusUpdated listener) {
2380		final boolean remainingListeners;
2381		synchronized (LISTENER_LOCK) {
2382			this.mOnKeyStatusUpdated.remove(listener);
2383			remainingListeners = checkListeners();
2384		}
2385		if (remainingListeners) {
2386			switchToBackground();
2387		}
2388	}
2389
2390	public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
2391		final boolean remainingListeners;
2392		synchronized (LISTENER_LOCK) {
2393			remainingListeners = checkListeners();
2394			if (!this.mOnMucRosterUpdate.add(listener)) {
2395				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnMucRosterListener");
2396			}
2397		}
2398		if (remainingListeners) {
2399			switchToForeground();
2400		}
2401	}
2402
2403	public void removeOnMucRosterUpdateListener(final OnMucRosterUpdate listener) {
2404		final boolean remainingListeners;
2405		synchronized (LISTENER_LOCK) {
2406			this.mOnMucRosterUpdate.remove(listener);
2407			remainingListeners = checkListeners();
2408		}
2409		if (remainingListeners) {
2410			switchToBackground();
2411		}
2412	}
2413
2414	public boolean checkListeners() {
2415		return (this.mOnAccountUpdates.size() == 0
2416				&& this.mOnConversationUpdates.size() == 0
2417				&& this.mOnRosterUpdates.size() == 0
2418				&& this.mOnCaptchaRequested.size() == 0
2419				&& this.mOnMucRosterUpdate.size() == 0
2420				&& this.mOnUpdateBlocklist.size() == 0
2421				&& this.mOnShowErrorToasts.size() == 0
2422				&& this.mOnKeyStatusUpdated.size() == 0);
2423	}
2424
2425	private void switchToForeground() {
2426		final boolean broadcastLastActivity = broadcastLastActivity();
2427		for (Conversation conversation : getConversations()) {
2428			if (conversation.getMode() == Conversation.MODE_MULTI) {
2429				conversation.getMucOptions().resetChatState();
2430			} else {
2431				conversation.setIncomingChatState(Config.DEFAULT_CHATSTATE);
2432			}
2433		}
2434		for (Account account : getAccounts()) {
2435			if (account.getStatus() == Account.State.ONLINE) {
2436				account.deactivateGracePeriod();
2437				final XmppConnection connection = account.getXmppConnection();
2438				if (connection != null) {
2439					if (connection.getFeatures().csi()) {
2440						connection.sendActive();
2441					}
2442					if (broadcastLastActivity) {
2443						sendPresence(account, false); //send new presence but don't include idle because we are not
2444					}
2445				}
2446			}
2447		}
2448		Log.d(Config.LOGTAG, "app switched into foreground");
2449	}
2450
2451	private void switchToBackground() {
2452		final boolean broadcastLastActivity = broadcastLastActivity();
2453		if (broadcastLastActivity) {
2454			mLastActivity = System.currentTimeMillis();
2455			final SharedPreferences.Editor editor = getPreferences().edit();
2456			editor.putLong(SETTING_LAST_ACTIVITY_TS, mLastActivity);
2457			editor.apply();
2458		}
2459		for (Account account : getAccounts()) {
2460			if (account.getStatus() == Account.State.ONLINE) {
2461				XmppConnection connection = account.getXmppConnection();
2462				if (connection != null) {
2463					if (broadcastLastActivity) {
2464						sendPresence(account, true);
2465					}
2466					if (connection.getFeatures().csi()) {
2467						connection.sendInactive();
2468					}
2469				}
2470			}
2471		}
2472		this.mNotificationService.setIsInForeground(false);
2473		Log.d(Config.LOGTAG, "app switched into background");
2474	}
2475
2476	private void connectMultiModeConversations(Account account) {
2477		List<Conversation> conversations = getConversations();
2478		for (Conversation conversation : conversations) {
2479			if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
2480				joinMuc(conversation);
2481			}
2482		}
2483	}
2484
2485	public void mucSelfPingAndRejoin(final Conversation conversation) {
2486	    final Account account = conversation.getAccount();
2487	    synchronized (account.inProgressConferenceJoins) {
2488            if (account.inProgressConferenceJoins.contains(conversation)) {
2489                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because join is already under way");
2490                return;
2491            }
2492        }
2493        synchronized (account.inProgressConferencePings) {
2494	        if (!account.inProgressConferencePings.add(conversation)) {
2495	            Log.d(Config.LOGTAG, account.getJid().asBareJid()+": canceling muc self ping because ping is already under way");
2496	            return;
2497            }
2498        }
2499	    final Jid self = conversation.getMucOptions().getSelf().getFullJid();
2500	    final IqPacket ping = new IqPacket(IqPacket.TYPE.GET);
2501	    ping.setTo(self);
2502	    ping.addChild("ping", Namespace.PING);
2503	    sendIqPacket(conversation.getAccount(), ping, (a, response) -> {
2504	        if (response.getType() == IqPacket.TYPE.ERROR) {
2505	            Element error = response.findChild("error");
2506	            if (error == null || error.hasChild("service-unavailable") || error.hasChild("feature-not-implemented") || error.hasChild("item-not-found")) {
2507	                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": ping to "+self+" came back as ignorable error");
2508                } else {
2509	                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": ping to "+self+" failed. attempting rejoin");
2510	                joinMuc(conversation);
2511                }
2512            } else if (response.getType() == IqPacket.TYPE.RESULT) {
2513	            Log.d(Config.LOGTAG,a.getJid().asBareJid()+": ping to "+self+" came back fine");
2514            }
2515	        synchronized (account.inProgressConferencePings) {
2516	            account.inProgressConferencePings.remove(conversation);
2517            }
2518        });
2519    }
2520
2521	public void joinMuc(Conversation conversation) {
2522		joinMuc(conversation, null, false);
2523	}
2524
2525	public void joinMuc(Conversation conversation, boolean followedInvite) {
2526		joinMuc(conversation, null, followedInvite);
2527	}
2528
2529	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2530		joinMuc(conversation, onConferenceJoined, false);
2531	}
2532
2533	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined, final boolean followedInvite) {
2534		final Account account = conversation.getAccount();
2535		synchronized (account.pendingConferenceJoins) {
2536            account.pendingConferenceJoins.remove(conversation);
2537        }
2538        synchronized (account.pendingConferenceLeaves) {
2539            account.pendingConferenceLeaves.remove(conversation);
2540        }
2541		if (account.getStatus() == Account.State.ONLINE) {
2542		    synchronized (account.inProgressConferenceJoins) {
2543                account.inProgressConferenceJoins.add(conversation);
2544            }
2545			sendPresencePacket(account, mPresenceGenerator.leave(conversation.getMucOptions()));
2546			conversation.resetMucOptions();
2547			if (onConferenceJoined != null) {
2548				conversation.getMucOptions().flagNoAutoPushConfiguration();
2549			}
2550			conversation.setHasMessagesLeftOnServer(false);
2551			fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
2552
2553				private void join(Conversation conversation) {
2554					Account account = conversation.getAccount();
2555					final MucOptions mucOptions = conversation.getMucOptions();
2556
2557					if (mucOptions.nonanonymous() && !mucOptions.membersOnly() && !conversation.getBooleanAttribute("accept_non_anonymous", false)) {
2558					    mucOptions.setError(MucOptions.Error.NON_ANONYMOUS);
2559					    updateConversationUi();
2560                        if (onConferenceJoined != null) {
2561                            onConferenceJoined.onConferenceJoined(conversation);
2562                        }
2563					    return;
2564                    }
2565
2566					final Jid joinJid = mucOptions.getSelf().getFullJid();
2567					Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": joining conversation " + joinJid.toString());
2568					PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous() || onConferenceJoined != null);
2569					packet.setTo(joinJid);
2570					Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
2571					if (conversation.getMucOptions().getPassword() != null) {
2572						x.addChild("password").setContent(mucOptions.getPassword());
2573					}
2574
2575					if (mucOptions.mamSupport()) {
2576						// Use MAM instead of the limited muc history to get history
2577						x.addChild("history").setAttribute("maxchars", "0");
2578					} else {
2579						// Fallback to muc history
2580						x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted().getTimestamp()));
2581					}
2582					sendPresencePacket(account, packet);
2583					if (onConferenceJoined != null) {
2584						onConferenceJoined.onConferenceJoined(conversation);
2585					}
2586					if (!joinJid.equals(conversation.getJid())) {
2587						conversation.setContactJid(joinJid);
2588						databaseBackend.updateConversation(conversation);
2589					}
2590
2591					if (mucOptions.mamSupport()) {
2592						getMessageArchiveService().catchupMUC(conversation);
2593					}
2594					if (mucOptions.isPrivateAndNonAnonymous()) {
2595						fetchConferenceMembers(conversation);
2596						if (followedInvite && conversation.getBookmark() == null) {
2597							saveConversationAsBookmark(conversation, null);
2598						}
2599					}
2600					if (mucOptions.push()) {
2601					    enableMucPush(conversation);
2602                    }
2603					synchronized (account.inProgressConferenceJoins) {
2604                        account.inProgressConferenceJoins.remove(conversation);
2605                        sendUnsentMessages(conversation);
2606                    }
2607				}
2608
2609				@Override
2610				public void onConferenceConfigurationFetched(Conversation conversation) {
2611				    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2612				        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": conversation ("+conversation.getJid()+") got archived before IQ result");
2613				        return;
2614                    }
2615					join(conversation);
2616				}
2617
2618				@Override
2619				public void onFetchFailed(final Conversation conversation, Element error) {
2620                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2621                        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": conversation ("+conversation.getJid()+") got archived before IQ result");
2622
2623                        return;
2624                    }
2625					if (error != null && "remote-server-not-found".equals(error.getName())) {
2626					    synchronized (account.inProgressConferenceJoins) {
2627                            account.inProgressConferenceJoins.remove(conversation);
2628                        }
2629						conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
2630						updateConversationUi();
2631					} else {
2632						join(conversation);
2633						fetchConferenceConfiguration(conversation);
2634					}
2635				}
2636			});
2637			updateConversationUi();
2638		} else {
2639		    synchronized (account.pendingConferenceJoins) {
2640                account.pendingConferenceJoins.add(conversation);
2641            }
2642			conversation.resetMucOptions();
2643			conversation.setHasMessagesLeftOnServer(false);
2644			updateConversationUi();
2645		}
2646	}
2647
2648	private void enableDirectMucPush(final Conversation conversation) {
2649        final Account account = conversation.getAccount();
2650        final Jid room = conversation.getJid().asBareJid();
2651        final IqPacket enable = mIqGenerator.enablePush(conversation.getAccount().getJid(), conversation.getUuid(), null);
2652        enable.setTo(room);
2653        sendIqPacket(account, enable, (a, response) -> {
2654            if (response.getType() == IqPacket.TYPE.RESULT) {
2655                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": enabled direct push for muc "+room);
2656            } else if (response.getType() == IqPacket.TYPE.ERROR) {
2657                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": unable to enable direct push for muc "+room+" "+response.getError());
2658            }
2659        });
2660    }
2661
2662	private void enableMucPush(final Conversation conversation) {
2663	    enableDirectMucPush(conversation);
2664        mPushManagementService.registerPushTokenOnServer(conversation);
2665    }
2666
2667    private void disableDirectMucPush(final Conversation conversation) {
2668        final Account account = conversation.getAccount();
2669        final Jid room = conversation.getJid().asBareJid();
2670        final IqPacket disable = mIqGenerator.disablePush(conversation.getAccount().getJid(), conversation.getUuid());
2671        disable.setTo(room);
2672        sendIqPacket(account, disable, (a, response) -> {
2673            if (response.getType() == IqPacket.TYPE.RESULT) {
2674                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": disabled direct push for muc "+room);
2675            } else if (response.getType() == IqPacket.TYPE.ERROR) {
2676                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": unable to disable direct push for muc "+room+" "+response.getError());
2677            }
2678        });
2679    }
2680
2681	private void fetchConferenceMembers(final Conversation conversation) {
2682		final Account account = conversation.getAccount();
2683		final AxolotlService axolotlService = account.getAxolotlService();
2684		final String[] affiliations = {"member", "admin", "owner"};
2685		OnIqPacketReceived callback = new OnIqPacketReceived() {
2686
2687			private int i = 0;
2688			private boolean success = true;
2689
2690			@Override
2691			public void onIqPacketReceived(Account account, IqPacket packet) {
2692				final boolean omemoEnabled = conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL;
2693				Element query = packet.query("http://jabber.org/protocol/muc#admin");
2694				if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2695					for (Element child : query.getChildren()) {
2696						if ("item".equals(child.getName())) {
2697							MucOptions.User user = AbstractParser.parseItem(conversation, child);
2698							if (!user.realJidMatchesAccount()) {
2699								boolean isNew = conversation.getMucOptions().updateUser(user);
2700								Contact contact = user.getContact();
2701								if (omemoEnabled
2702										&& isNew
2703										&& user.getRealJid() != null
2704										&& (contact == null || !contact.mutualPresenceSubscription())
2705										&& axolotlService.hasEmptyDeviceList(user.getRealJid())) {
2706									axolotlService.fetchDeviceIds(user.getRealJid());
2707								}
2708							}
2709						}
2710					}
2711				} else {
2712					success = false;
2713					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not request affiliation " + affiliations[i] + " in " + conversation.getJid().asBareJid());
2714				}
2715				++i;
2716				if (i >= affiliations.length) {
2717					List<Jid> members = conversation.getMucOptions().getMembers(true);
2718					if (success) {
2719						List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
2720						boolean changed = false;
2721						for (ListIterator<Jid> iterator = cryptoTargets.listIterator(); iterator.hasNext(); ) {
2722							Jid jid = iterator.next();
2723							if (!members.contains(jid) && !members.contains(Jid.ofDomain(jid.getDomain()))) {
2724								iterator.remove();
2725								Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
2726								changed = true;
2727							}
2728						}
2729						if (changed) {
2730							conversation.setAcceptedCryptoTargets(cryptoTargets);
2731							updateConversation(conversation);
2732						}
2733					}
2734					getAvatarService().clear(conversation);
2735					updateMucRosterUi();
2736					updateConversationUi();
2737				}
2738			}
2739		};
2740		for (String affiliation : affiliations) {
2741			sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
2742		}
2743		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching members for " + conversation.getName());
2744	}
2745
2746	public void providePasswordForMuc(Conversation conversation, String password) {
2747		if (conversation.getMode() == Conversation.MODE_MULTI) {
2748			conversation.getMucOptions().setPassword(password);
2749			if (conversation.getBookmark() != null) {
2750				if (synchronizeWithBookmarks()) {
2751					conversation.getBookmark().setAutojoin(true);
2752				}
2753				pushBookmarks(conversation.getAccount());
2754			}
2755			updateConversation(conversation);
2756			joinMuc(conversation);
2757		}
2758	}
2759
2760	private boolean hasEnabledAccounts() {
2761	    if (this.accounts == null) {
2762	        return false;
2763	    }
2764	    for (Account account : this.accounts) {
2765	        if (account.isEnabled()) {
2766	            return true;
2767	        }
2768	    }
2769	    return false;
2770	}
2771
2772
2773	public void getAttachments(final Conversation conversation, int limit, final OnMediaLoaded onMediaLoaded) {
2774        getAttachments(conversation.getAccount(), conversation.getJid().asBareJid(), limit, onMediaLoaded);
2775    }
2776
2777    public void getAttachments(final Account account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
2778        getAttachments(account.getUuid(),jid.asBareJid(),limit, onMediaLoaded);
2779    }
2780
2781
2782	public void getAttachments(final String account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
2783        new Thread(() -> onMediaLoaded.onMediaLoaded(fileBackend.convertToAttachments(databaseBackend.getRelativeFilePaths(account, jid, limit)))).start();
2784    }
2785
2786	public void persistSelfNick(MucOptions.User self) {
2787		final Conversation conversation = self.getConversation();
2788		final boolean tookProposedNickFromBookmark = conversation.getMucOptions().isTookProposedNickFromBookmark();
2789		Jid full = self.getFullJid();
2790		if (!full.equals(conversation.getJid())) {
2791			Log.d(Config.LOGTAG, "nick changed. updating");
2792			conversation.setContactJid(full);
2793			databaseBackend.updateConversation(conversation);
2794		}
2795
2796		final Bookmark bookmark = conversation.getBookmark();
2797		final String bookmarkedNick = bookmark == null ? null : bookmark.getNick();
2798        if (bookmark != null && (tookProposedNickFromBookmark || TextUtils.isEmpty(bookmarkedNick)) && !full.getResource().equals(bookmarkedNick)) {
2799            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": persist nick '" + full.getResource() + "' into bookmark for " + conversation.getJid().asBareJid());
2800            bookmark.setNick(full.getResource());
2801            pushBookmarks(bookmark.getAccount());
2802        }
2803	}
2804
2805	public boolean renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
2806		final MucOptions options = conversation.getMucOptions();
2807		final Jid joinJid = options.createJoinJid(nick);
2808		if (joinJid == null) {
2809			return false;
2810		}
2811		if (options.online()) {
2812			Account account = conversation.getAccount();
2813			options.setOnRenameListener(new OnRenameListener() {
2814
2815				@Override
2816				public void onSuccess() {
2817					callback.success(conversation);
2818				}
2819
2820				@Override
2821				public void onFailure() {
2822					callback.error(R.string.nick_in_use, conversation);
2823				}
2824			});
2825
2826			PresencePacket packet = new PresencePacket();
2827			packet.setTo(joinJid);
2828			packet.setFrom(conversation.getAccount().getJid());
2829
2830			String sig = account.getPgpSignature();
2831			if (sig != null) {
2832				packet.addChild("status").setContent("online");
2833				packet.addChild("x", "jabber:x:signed").setContent(sig);
2834			}
2835			sendPresencePacket(account, packet);
2836		} else {
2837			conversation.setContactJid(joinJid);
2838			databaseBackend.updateConversation(conversation);
2839			if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2840				Bookmark bookmark = conversation.getBookmark();
2841				if (bookmark != null) {
2842					bookmark.setNick(nick);
2843					pushBookmarks(bookmark.getAccount());
2844				}
2845				joinMuc(conversation);
2846			}
2847		}
2848		return true;
2849	}
2850
2851	public void leaveMuc(Conversation conversation) {
2852		leaveMuc(conversation, false);
2853	}
2854
2855	private void leaveMuc(Conversation conversation, boolean now) {
2856		final Account account = conversation.getAccount();
2857		synchronized (account.pendingConferenceJoins) {
2858            account.pendingConferenceJoins.remove(conversation);
2859        }
2860        synchronized (account.pendingConferenceLeaves) {
2861            account.pendingConferenceLeaves.remove(conversation);
2862        }
2863		if (account.getStatus() == Account.State.ONLINE || now) {
2864		    if (conversation.getMucOptions().push()) {
2865		        disableDirectMucPush(conversation);
2866		        mPushManagementService.disablePushOnServer(conversation);
2867            }
2868			sendPresencePacket(conversation.getAccount(), mPresenceGenerator.leave(conversation.getMucOptions()));
2869			conversation.getMucOptions().setOffline();
2870			Bookmark bookmark = conversation.getBookmark();
2871			if (bookmark != null) {
2872				bookmark.setConversation(null);
2873			}
2874			Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": leaving muc " + conversation.getJid());
2875		} else {
2876		    synchronized (account.pendingConferenceLeaves) {
2877                account.pendingConferenceLeaves.add(conversation);
2878            }
2879		}
2880	}
2881
2882	public String findConferenceServer(final Account account) {
2883		String server;
2884		if (account.getXmppConnection() != null) {
2885			server = account.getXmppConnection().getMucServer();
2886			if (server != null) {
2887				return server;
2888			}
2889		}
2890		for (Account other : getAccounts()) {
2891			if (other != account && other.getXmppConnection() != null) {
2892				server = other.getXmppConnection().getMucServer();
2893				if (server != null) {
2894					return server;
2895				}
2896			}
2897		}
2898		return null;
2899	}
2900
2901
2902	public void createPublicChannel(final Account account, final String name, final Jid address, final UiCallback<Conversation> callback) {
2903        joinMuc(findOrCreateConversation(account, address, true, false, true), conversation -> {
2904            final Bundle configuration = IqGenerator.defaultChannelConfiguration();
2905            if (!TextUtils.isEmpty(name)) {
2906                configuration.putString("muc#roomconfig_roomname", name);
2907            }
2908            pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
2909                @Override
2910                public void onPushSucceeded() {
2911                    saveConversationAsBookmark(conversation, name);
2912                    callback.success(conversation);
2913                }
2914
2915                @Override
2916                public void onPushFailed() {
2917                    if (conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
2918                        callback.error(R.string.unable_to_set_channel_configuration, conversation);
2919                    } else {
2920                        callback.error(R.string.joined_an_existing_channel, conversation);
2921                    }
2922                }
2923            });
2924        });
2925    }
2926
2927	public boolean createAdhocConference(final Account account,
2928	                                     final String name,
2929	                                     final Iterable<Jid> jids,
2930	                                     final UiCallback<Conversation> callback) {
2931		Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": creating adhoc conference with " + jids.toString());
2932		if (account.getStatus() == Account.State.ONLINE) {
2933			try {
2934				String server = findConferenceServer(account);
2935				if (server == null) {
2936					if (callback != null) {
2937						callback.error(R.string.no_conference_server_found, null);
2938					}
2939					return false;
2940				}
2941				final Jid jid = Jid.of(CryptoHelper.pronounceable(getRNG()), server, null);
2942				final Conversation conversation = findOrCreateConversation(account, jid, true, false, true);
2943				joinMuc(conversation, new OnConferenceJoined() {
2944					@Override
2945					public void onConferenceJoined(final Conversation conversation) {
2946						final Bundle configuration = IqGenerator.defaultGroupChatConfiguration();
2947						if (!TextUtils.isEmpty(name)) {
2948							configuration.putString("muc#roomconfig_roomname", name);
2949						}
2950						pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
2951							@Override
2952							public void onPushSucceeded() {
2953								for (Jid invite : jids) {
2954									invite(conversation, invite);
2955								}
2956								if (account.countPresences() > 1) {
2957									directInvite(conversation, account.getJid().asBareJid());
2958								}
2959								saveConversationAsBookmark(conversation, name);
2960								if (callback != null) {
2961									callback.success(conversation);
2962								}
2963							}
2964
2965							@Override
2966							public void onPushFailed() {
2967								archiveConversation(conversation);
2968								if (callback != null) {
2969									callback.error(R.string.conference_creation_failed, conversation);
2970								}
2971							}
2972						});
2973					}
2974				});
2975				return true;
2976			} catch (IllegalArgumentException e) {
2977				if (callback != null) {
2978					callback.error(R.string.conference_creation_failed, null);
2979				}
2980				return false;
2981			}
2982		} else {
2983			if (callback != null) {
2984				callback.error(R.string.not_connected_try_again, null);
2985			}
2986			return false;
2987		}
2988	}
2989
2990	public void fetchConferenceConfiguration(final Conversation conversation) {
2991		fetchConferenceConfiguration(conversation, null);
2992	}
2993
2994	public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
2995		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2996		request.setTo(conversation.getJid().asBareJid());
2997		request.query("http://jabber.org/protocol/disco#info");
2998		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2999			@Override
3000			public void onIqPacketReceived(Account account, IqPacket packet) {
3001				if (packet.getType() == IqPacket.TYPE.RESULT) {
3002
3003					final MucOptions mucOptions = conversation.getMucOptions();
3004					final Bookmark bookmark = conversation.getBookmark();
3005					final boolean sameBefore = StringUtils.equals(bookmark == null ? null : bookmark.getBookmarkName(), mucOptions.getName());
3006
3007					if (mucOptions.updateConfiguration(new ServiceDiscoveryResult(packet))) {
3008						Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": muc configuration changed for " + conversation.getJid().asBareJid());
3009						updateConversation(conversation);
3010					}
3011
3012					if (bookmark != null && (sameBefore || bookmark.getBookmarkName() == null)) {
3013						if (bookmark.setBookmarkName(StringUtils.nullOnEmpty(mucOptions.getName()))) {
3014							pushBookmarks(account);
3015						}
3016					}
3017
3018
3019					if (callback != null) {
3020						callback.onConferenceConfigurationFetched(conversation);
3021					}
3022
3023
3024
3025					updateConversationUi();
3026				} else if (packet.getType() == IqPacket.TYPE.ERROR) {
3027					if (callback != null) {
3028						callback.onFetchFailed(conversation, packet.getError());
3029					}
3030				}
3031			}
3032		});
3033	}
3034
3035	public void pushNodeConfiguration(Account account, final String node, final Bundle options, final OnConfigurationPushed callback) {
3036		pushNodeConfiguration(account, account.getJid().asBareJid(), node, options, callback);
3037	}
3038
3039	public void pushNodeConfiguration(Account account, final Jid jid, final String node, final Bundle options, final OnConfigurationPushed callback) {
3040        Log.d(Config.LOGTAG,"pushing node configuration");
3041		sendIqPacket(account, mIqGenerator.requestPubsubConfiguration(jid, node), new OnIqPacketReceived() {
3042			@Override
3043			public void onIqPacketReceived(Account account, IqPacket packet) {
3044				if (packet.getType() == IqPacket.TYPE.RESULT) {
3045					Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub#owner");
3046					Element configuration = pubsub == null ? null : pubsub.findChild("configure");
3047					Element x = configuration == null ? null : configuration.findChild("x", Namespace.DATA);
3048					if (x != null) {
3049						Data data = Data.parse(x);
3050						data.submit(options);
3051						sendIqPacket(account, mIqGenerator.publishPubsubConfiguration(jid, node, data), new OnIqPacketReceived() {
3052							@Override
3053							public void onIqPacketReceived(Account account, IqPacket packet) {
3054								if (packet.getType() == IqPacket.TYPE.RESULT && callback != null) {
3055									Log.d(Config.LOGTAG,account.getJid().asBareJid()+": successfully changed node configuration for node "+node);
3056									callback.onPushSucceeded();
3057								} else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3058									callback.onPushFailed();
3059								}
3060							}
3061						});
3062					} else if (callback != null) {
3063						callback.onPushFailed();
3064					}
3065				} else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3066					callback.onPushFailed();
3067				}
3068			}
3069		});
3070	}
3071
3072	public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConfigurationPushed callback) {
3073	    if (options.getString("muc#roomconfig_whois","moderators").equals("anyone")) {
3074	        conversation.setAttribute("accept_non_anonymous",true);
3075            updateConversation(conversation);
3076        }
3077		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3078		request.setTo(conversation.getJid().asBareJid());
3079		request.query("http://jabber.org/protocol/muc#owner");
3080		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3081			@Override
3082			public void onIqPacketReceived(Account account, IqPacket packet) {
3083				if (packet.getType() == IqPacket.TYPE.RESULT) {
3084					Data data = Data.parse(packet.query().findChild("x", Namespace.DATA));
3085					data.submit(options);
3086					Log.d(Config.LOGTAG,data.toString());
3087					IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3088					set.setTo(conversation.getJid().asBareJid());
3089					set.query("http://jabber.org/protocol/muc#owner").addChild(data);
3090					sendIqPacket(account, set, new OnIqPacketReceived() {
3091						@Override
3092						public void onIqPacketReceived(Account account, IqPacket packet) {
3093							if (callback != null) {
3094								if (packet.getType() == IqPacket.TYPE.RESULT) {
3095									callback.onPushSucceeded();
3096								} else {
3097									callback.onPushFailed();
3098								}
3099							}
3100						}
3101					});
3102				} else {
3103					if (callback != null) {
3104						callback.onPushFailed();
3105					}
3106				}
3107			}
3108		});
3109	}
3110
3111	public void pushSubjectToConference(final Conversation conference, final String subject) {
3112		MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, StringUtils.nullOnEmpty(subject));
3113		this.sendMessagePacket(conference.getAccount(), packet);
3114	}
3115
3116	public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
3117		final Jid jid = user.asBareJid();
3118		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
3119		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
3120			@Override
3121			public void onIqPacketReceived(Account account, IqPacket packet) {
3122				if (packet.getType() == IqPacket.TYPE.RESULT) {
3123					conference.getMucOptions().changeAffiliation(jid, affiliation);
3124					getAvatarService().clear(conference);
3125					callback.onAffiliationChangedSuccessful(jid);
3126				} else {
3127					callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
3128				}
3129			}
3130		});
3131	}
3132
3133	public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
3134		List<Jid> jids = new ArrayList<>();
3135		for (MucOptions.User user : conference.getMucOptions().getUsers()) {
3136			if (user.getAffiliation() == before && user.getRealJid() != null) {
3137				jids.add(user.getRealJid());
3138			}
3139		}
3140		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
3141		sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
3142	}
3143
3144	public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role) {
3145		IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
3146		Log.d(Config.LOGTAG, request.toString());
3147		sendIqPacket(conference.getAccount(), request, (account, packet) -> {
3148            if (packet.getType() != IqPacket.TYPE.RESULT) {
3149                Log.d(Config.LOGTAG,account.getJid().asBareJid()+" unable to change role of "+nick);
3150            }
3151        });
3152	}
3153
3154    public void destroyRoom(final Conversation conversation, final OnRoomDestroy callback) {
3155        IqPacket request = new IqPacket(IqPacket.TYPE.SET);
3156        request.setTo(conversation.getJid().asBareJid());
3157        request.query("http://jabber.org/protocol/muc#owner").addChild("destroy");
3158        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3159            @Override
3160            public void onIqPacketReceived(Account account, IqPacket packet) {
3161                if (packet.getType() == IqPacket.TYPE.RESULT) {
3162                    if (callback != null) {
3163                        callback.onRoomDestroySucceeded();
3164                    }
3165                } else if (packet.getType() == IqPacket.TYPE.ERROR) {
3166                    if (callback != null) {
3167                        callback.onRoomDestroyFailed();
3168                    }
3169                }
3170            }
3171        });
3172    }
3173
3174	private void disconnect(Account account, boolean force) {
3175		if ((account.getStatus() == Account.State.ONLINE)
3176				|| (account.getStatus() == Account.State.DISABLED)) {
3177			final XmppConnection connection = account.getXmppConnection();
3178			if (!force) {
3179				List<Conversation> conversations = getConversations();
3180				for (Conversation conversation : conversations) {
3181					if (conversation.getAccount() == account) {
3182						if (conversation.getMode() == Conversation.MODE_MULTI) {
3183							leaveMuc(conversation, true);
3184						}
3185					}
3186				}
3187				sendOfflinePresence(account);
3188			}
3189			connection.disconnect(force);
3190		}
3191	}
3192
3193	@Override
3194	public IBinder onBind(Intent intent) {
3195		return mBinder;
3196	}
3197
3198	public void updateMessage(Message message) {
3199		updateMessage(message, true);
3200	}
3201
3202	public void updateMessage(Message message, boolean includeBody) {
3203		databaseBackend.updateMessage(message, includeBody);
3204		updateConversationUi();
3205	}
3206
3207	public void updateMessage(Message message, String uuid) {
3208		if (!databaseBackend.updateMessage(message, uuid)) {
3209            Log.e(Config.LOGTAG,"error updated message in DB after edit");
3210        }
3211		updateConversationUi();
3212	}
3213
3214	protected void syncDirtyContacts(Account account) {
3215		for (Contact contact : account.getRoster().getContacts()) {
3216			if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
3217				pushContactToServer(contact);
3218			}
3219			if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
3220				deleteContactOnServer(contact);
3221			}
3222		}
3223	}
3224
3225	public void createContact(Contact contact, boolean autoGrant) {
3226		if (autoGrant) {
3227			contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
3228			contact.setOption(Contact.Options.ASKING);
3229		}
3230		pushContactToServer(contact);
3231	}
3232
3233	public void pushContactToServer(final Contact contact) {
3234		contact.resetOption(Contact.Options.DIRTY_DELETE);
3235		contact.setOption(Contact.Options.DIRTY_PUSH);
3236		final Account account = contact.getAccount();
3237		if (account.getStatus() == Account.State.ONLINE) {
3238			final boolean ask = contact.getOption(Contact.Options.ASKING);
3239			final boolean sendUpdates = contact
3240					.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
3241					&& contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
3242			final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3243			iq.query(Namespace.ROSTER).addChild(contact.asElement());
3244			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3245			if (sendUpdates) {
3246				sendPresencePacket(account, mPresenceGenerator.sendPresenceUpdatesTo(contact));
3247			}
3248			if (ask) {
3249				sendPresencePacket(account, mPresenceGenerator.requestPresenceUpdatesFrom(contact));
3250			}
3251		} else {
3252			syncRoster(contact.getAccount());
3253		}
3254	}
3255
3256	public void publishMucAvatar(final Conversation conversation, final Uri image, final OnAvatarPublication callback) {
3257		new Thread(() -> {
3258			final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3259			final int size = Config.AVATAR_SIZE;
3260			final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3261			if (avatar != null) {
3262				if (!getFileBackend().save(avatar)) {
3263					callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3264					return;
3265				}
3266				avatar.owner = conversation.getJid().asBareJid();
3267				publishMucAvatar(conversation, avatar, callback);
3268			} else {
3269				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3270			}
3271		}).start();
3272	}
3273
3274	public void publishAvatar(final Account account, final Uri image, final OnAvatarPublication callback) {
3275		new Thread(() -> {
3276			final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3277			final int size = Config.AVATAR_SIZE;
3278			final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3279			if (avatar != null) {
3280				if (!getFileBackend().save(avatar)) {
3281					Log.d(Config.LOGTAG,"unable to save vcard");
3282					callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3283					return;
3284				}
3285				publishAvatar(account, avatar, callback);
3286			} else {
3287				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3288			}
3289		}).start();
3290
3291	}
3292
3293	private void publishMucAvatar(Conversation conversation, Avatar avatar, OnAvatarPublication callback) {
3294		final IqPacket retrieve = mIqGenerator.retrieveVcardAvatar(avatar);
3295		sendIqPacket(conversation.getAccount(), retrieve, (account, response) -> {
3296			boolean itemNotFound = response.getType() == IqPacket.TYPE.ERROR && response.hasChild("error") && response.findChild("error").hasChild("item-not-found");
3297			if (response.getType() == IqPacket.TYPE.RESULT || itemNotFound) {
3298				Element vcard = response.findChild("vCard", "vcard-temp");
3299				if (vcard == null) {
3300					vcard = new Element("vCard", "vcard-temp");
3301				}
3302				Element photo = vcard.findChild("PHOTO");
3303				if (photo == null) {
3304					photo = vcard.addChild("PHOTO");
3305				}
3306				photo.clearChildren();
3307				photo.addChild("TYPE").setContent(avatar.type);
3308				photo.addChild("BINVAL").setContent(avatar.image);
3309				IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
3310				publication.setTo(conversation.getJid().asBareJid());
3311				publication.addChild(vcard);
3312				sendIqPacket(account, publication, (a1, publicationResponse) -> {
3313					if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
3314						callback.onAvatarPublicationSucceeded();
3315					} else {
3316						Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getError());
3317						callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3318					}
3319				});
3320			} else {
3321				Log.d(Config.LOGTAG, "failed to request vcard " + response.toString());
3322				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_no_server_support);
3323			}
3324		});
3325	}
3326
3327    public void publishAvatar(Account account, final Avatar avatar, final OnAvatarPublication callback) {
3328        final Bundle options;
3329        if (account.getXmppConnection().getFeatures().pepPublishOptions()) {
3330            options = PublishOptions.openAccess();
3331        } else {
3332            options = null;
3333        }
3334        publishAvatar(account, avatar, options, true, callback);
3335    }
3336
3337	public void publishAvatar(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3338        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": publishing avatar. options="+options);
3339		IqPacket packet = this.mIqGenerator.publishAvatar(avatar, options);
3340		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3341
3342			@Override
3343			public void onIqPacketReceived(Account account, IqPacket result) {
3344				if (result.getType() == IqPacket.TYPE.RESULT) {
3345                    publishAvatarMetadata(account, avatar, options,true, callback);
3346                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3347				    pushNodeConfiguration(account, "urn:xmpp:avatar:data", options, new OnConfigurationPushed() {
3348                        @Override
3349                        public void onPushSucceeded() {
3350                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": changed node configuration for avatar node");
3351                            publishAvatar(account, avatar, options, false, callback);
3352                        }
3353
3354                        @Override
3355                        public void onPushFailed() {
3356                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to change node configuration for avatar node");
3357                            publishAvatar(account, avatar, null, false, callback);
3358                        }
3359                    });
3360				} else {
3361					Element error = result.findChild("error");
3362					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server rejected avatar " + (avatar.size / 1024) + "KiB " + (error != null ? error.toString() : ""));
3363					if (callback != null) {
3364						callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3365					}
3366				}
3367			}
3368		});
3369	}
3370
3371	public void publishAvatarMetadata(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3372        final IqPacket packet = XmppConnectionService.this.mIqGenerator.publishAvatarMetadata(avatar, options);
3373        sendIqPacket(account, packet, new OnIqPacketReceived() {
3374            @Override
3375            public void onIqPacketReceived(Account account, IqPacket result) {
3376                if (result.getType() == IqPacket.TYPE.RESULT) {
3377                    if (account.setAvatar(avatar.getFilename())) {
3378                        getAvatarService().clear(account);
3379                        databaseBackend.updateAccount(account);
3380                        notifyAccountAvatarHasChanged(account);
3381                    }
3382                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": published avatar " + (avatar.size / 1024) + "KiB");
3383                    if (callback != null) {
3384                        callback.onAvatarPublicationSucceeded();
3385                    }
3386                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3387                    pushNodeConfiguration(account, "urn:xmpp:avatar:metadata", options, new OnConfigurationPushed() {
3388                        @Override
3389                        public void onPushSucceeded() {
3390                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": changed node configuration for avatar meta data node");
3391                            publishAvatarMetadata(account, avatar, options,false, callback);
3392                        }
3393
3394                        @Override
3395                        public void onPushFailed() {
3396                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to change node configuration for avatar meta data node");
3397                            publishAvatarMetadata(account, avatar,  null,false, callback);
3398                        }
3399                    });
3400                } else {
3401                    if (callback != null) {
3402                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3403                    }
3404                }
3405            }
3406        });
3407    }
3408
3409	public void republishAvatarIfNeeded(Account account) {
3410		if (account.getAxolotlService().isPepBroken()) {
3411			Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping republication of avatar because pep is broken");
3412			return;
3413		}
3414		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3415		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3416
3417			private Avatar parseAvatar(IqPacket packet) {
3418				Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3419				if (pubsub != null) {
3420					Element items = pubsub.findChild("items");
3421					if (items != null) {
3422						return Avatar.parseMetadata(items);
3423					}
3424				}
3425				return null;
3426			}
3427
3428			private boolean errorIsItemNotFound(IqPacket packet) {
3429				Element error = packet.findChild("error");
3430				return packet.getType() == IqPacket.TYPE.ERROR
3431						&& error != null
3432						&& error.hasChild("item-not-found");
3433			}
3434
3435			@Override
3436			public void onIqPacketReceived(Account account, IqPacket packet) {
3437				if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
3438					Avatar serverAvatar = parseAvatar(packet);
3439					if (serverAvatar == null && account.getAvatar() != null) {
3440						Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
3441						if (avatar != null) {
3442							Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar on server was null. republishing");
3443							publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
3444						} else {
3445							Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": error rereading avatar");
3446						}
3447					}
3448				}
3449			}
3450		});
3451	}
3452
3453	public void fetchAvatar(Account account, Avatar avatar) {
3454		fetchAvatar(account, avatar, null);
3455	}
3456
3457	public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3458		final String KEY = generateFetchKey(account, avatar);
3459		synchronized (this.mInProgressAvatarFetches) {
3460		    if (mInProgressAvatarFetches.add(KEY)) {
3461                switch (avatar.origin) {
3462                    case PEP:
3463                        this.mInProgressAvatarFetches.add(KEY);
3464                        fetchAvatarPep(account, avatar, callback);
3465                        break;
3466                    case VCARD:
3467                        this.mInProgressAvatarFetches.add(KEY);
3468                        fetchAvatarVcard(account, avatar, callback);
3469                        break;
3470                }
3471            } else if (avatar.origin == Avatar.Origin.PEP) {
3472		        mOmittedPepAvatarFetches.add(KEY);
3473            } else {
3474		        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": already fetching "+avatar.origin+" avatar for "+avatar.owner);
3475            }
3476		}
3477	}
3478
3479	private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3480		IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
3481		sendIqPacket(account, packet, (a, result) -> {
3482			synchronized (mInProgressAvatarFetches) {
3483				mInProgressAvatarFetches.remove(generateFetchKey(a, avatar));
3484			}
3485			final String ERROR = a.getJid().asBareJid() + ": fetching avatar for " + avatar.owner + " failed ";
3486			if (result.getType() == IqPacket.TYPE.RESULT) {
3487				avatar.image = mIqParser.avatarData(result);
3488				if (avatar.image != null) {
3489					if (getFileBackend().save(avatar)) {
3490						if (a.getJid().asBareJid().equals(avatar.owner)) {
3491							if (a.setAvatar(avatar.getFilename())) {
3492								databaseBackend.updateAccount(a);
3493							}
3494							getAvatarService().clear(a);
3495							updateConversationUi();
3496							updateAccountUi();
3497						} else {
3498							Contact contact = a.getRoster().getContact(avatar.owner);
3499							if (contact.setAvatar(avatar)) {
3500								syncRoster(account);
3501								getAvatarService().clear(contact);
3502								updateConversationUi();
3503								updateRosterUi();
3504							}
3505						}
3506						if (callback != null) {
3507							callback.success(avatar);
3508						}
3509						Log.d(Config.LOGTAG, a.getJid().asBareJid()
3510								+ ": successfully fetched pep avatar for " + avatar.owner);
3511						return;
3512					}
3513				} else {
3514
3515					Log.d(Config.LOGTAG, ERROR + "(parsing error)");
3516				}
3517			} else {
3518				Element error = result.findChild("error");
3519				if (error == null) {
3520					Log.d(Config.LOGTAG, ERROR + "(server error)");
3521				} else {
3522					Log.d(Config.LOGTAG, ERROR + error.toString());
3523				}
3524			}
3525			if (callback != null) {
3526				callback.error(0, null);
3527			}
3528
3529		});
3530	}
3531
3532	private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3533		IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
3534		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3535			@Override
3536			public void onIqPacketReceived(Account account, IqPacket packet) {
3537			    final boolean previouslyOmittedPepFetch;
3538				synchronized (mInProgressAvatarFetches) {
3539				    final String KEY = generateFetchKey(account, avatar);
3540					mInProgressAvatarFetches.remove(KEY);
3541					previouslyOmittedPepFetch = mOmittedPepAvatarFetches.remove(KEY);
3542				}
3543				if (packet.getType() == IqPacket.TYPE.RESULT) {
3544					Element vCard = packet.findChild("vCard", "vcard-temp");
3545					Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
3546					String image = photo != null ? photo.findChildContent("BINVAL") : null;
3547					if (image != null) {
3548						avatar.image = image;
3549						if (getFileBackend().save(avatar)) {
3550							Log.d(Config.LOGTAG, account.getJid().asBareJid()
3551									+ ": successfully fetched vCard avatar for " + avatar.owner+" omittedPep="+previouslyOmittedPepFetch);
3552							if (avatar.owner.isBareJid()) {
3553								if (account.getJid().asBareJid().equals(avatar.owner) && account.getAvatar() == null) {
3554									Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": had no avatar. replacing with vcard");
3555									account.setAvatar(avatar.getFilename());
3556									databaseBackend.updateAccount(account);
3557									getAvatarService().clear(account);
3558									updateAccountUi();
3559								} else {
3560									Contact contact = account.getRoster().getContact(avatar.owner);
3561									if (contact.setAvatar(avatar, previouslyOmittedPepFetch)) {
3562										syncRoster(account);
3563										getAvatarService().clear(contact);
3564										updateRosterUi();
3565									}
3566								}
3567								updateConversationUi();
3568							} else {
3569								Conversation conversation = find(account, avatar.owner.asBareJid());
3570								if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
3571									MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
3572									if (user != null) {
3573										if (user.setAvatar(avatar)) {
3574											getAvatarService().clear(user);
3575											updateConversationUi();
3576											updateMucRosterUi();
3577										}
3578										if (user.getRealJid() != null) {
3579										    Contact contact = account.getRoster().getContact(user.getRealJid());
3580										    if (contact.setAvatar(avatar)) {
3581                                                syncRoster(account);
3582                                                getAvatarService().clear(contact);
3583                                                updateRosterUi();
3584                                            }
3585                                        }
3586									}
3587								}
3588							}
3589						}
3590					}
3591				}
3592			}
3593		});
3594	}
3595
3596	public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
3597		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3598		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3599
3600			@Override
3601			public void onIqPacketReceived(Account account, IqPacket packet) {
3602				if (packet.getType() == IqPacket.TYPE.RESULT) {
3603					Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3604					if (pubsub != null) {
3605						Element items = pubsub.findChild("items");
3606						if (items != null) {
3607							Avatar avatar = Avatar.parseMetadata(items);
3608							if (avatar != null) {
3609								avatar.owner = account.getJid().asBareJid();
3610								if (fileBackend.isAvatarCached(avatar)) {
3611									if (account.setAvatar(avatar.getFilename())) {
3612										databaseBackend.updateAccount(account);
3613									}
3614									getAvatarService().clear(account);
3615									callback.success(avatar);
3616								} else {
3617									fetchAvatarPep(account, avatar, callback);
3618								}
3619								return;
3620							}
3621						}
3622					}
3623				}
3624				callback.error(0, null);
3625			}
3626		});
3627	}
3628
3629	public void notifyAccountAvatarHasChanged(final Account account) {
3630	    final XmppConnection connection = account.getXmppConnection();
3631	    if (connection != null && connection.getFeatures().bookmarksConversion()) {
3632            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": avatar changed. resending presence to online group chats");
3633            for(Conversation conversation : conversations) {
3634                if (conversation.getAccount() == account && conversation.getMode() == Conversational.MODE_MULTI) {
3635                    final MucOptions mucOptions = conversation.getMucOptions();
3636                    if (mucOptions.online()) {
3637                        PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous());
3638                        packet.setTo(mucOptions.getSelf().getFullJid());
3639                        connection.sendPresencePacket(packet);
3640                    }
3641                }
3642            }
3643        }
3644    }
3645
3646	public void deleteContactOnServer(Contact contact) {
3647		contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
3648		contact.resetOption(Contact.Options.DIRTY_PUSH);
3649		contact.setOption(Contact.Options.DIRTY_DELETE);
3650		Account account = contact.getAccount();
3651		if (account.getStatus() == Account.State.ONLINE) {
3652			IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3653			Element item = iq.query(Namespace.ROSTER).addChild("item");
3654			item.setAttribute("jid", contact.getJid().toString());
3655			item.setAttribute("subscription", "remove");
3656			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3657		}
3658	}
3659
3660	public void updateConversation(final Conversation conversation) {
3661		mDatabaseWriterExecutor.execute(() -> databaseBackend.updateConversation(conversation));
3662	}
3663
3664	private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
3665		synchronized (account) {
3666			XmppConnection connection = account.getXmppConnection();
3667			if (connection == null) {
3668				connection = createConnection(account);
3669				account.setXmppConnection(connection);
3670			}
3671			boolean hasInternet = hasInternetConnection();
3672			if (account.isEnabled() && hasInternet) {
3673				if (!force) {
3674					disconnect(account, false);
3675				}
3676				Thread thread = new Thread(connection);
3677				connection.setInteractive(interactive);
3678				connection.prepareNewConnection();
3679				connection.interrupt();
3680				thread.start();
3681				scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
3682			} else {
3683				disconnect(account, force || account.getTrueStatus().isError() || !hasInternet);
3684				account.getRoster().clearPresences();
3685				connection.resetEverything();
3686				final AxolotlService axolotlService = account.getAxolotlService();
3687				if (axolotlService != null) {
3688					axolotlService.resetBrokenness();
3689				}
3690				if (!hasInternet) {
3691					account.setStatus(Account.State.NO_INTERNET);
3692				}
3693			}
3694		}
3695	}
3696
3697	public void reconnectAccountInBackground(final Account account) {
3698		new Thread(() -> reconnectAccount(account, false, true)).start();
3699	}
3700
3701	public void invite(Conversation conversation, Jid contact) {
3702		Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": inviting " + contact + " to " + conversation.getJid().asBareJid());
3703		MessagePacket packet = mMessageGenerator.invite(conversation, contact);
3704		sendMessagePacket(conversation.getAccount(), packet);
3705	}
3706
3707	public void directInvite(Conversation conversation, Jid jid) {
3708		MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
3709		sendMessagePacket(conversation.getAccount(), packet);
3710	}
3711
3712	public void resetSendingToWaiting(Account account) {
3713		for (Conversation conversation : getConversations()) {
3714			if (conversation.getAccount() == account) {
3715				conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
3716			}
3717		}
3718	}
3719
3720	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
3721		return markMessage(account, recipient, uuid, status, null);
3722	}
3723
3724	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
3725		if (uuid == null) {
3726			return null;
3727		}
3728		for (Conversation conversation : getConversations()) {
3729			if (conversation.getJid().asBareJid().equals(recipient) && conversation.getAccount() == account) {
3730				final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
3731				if (message != null) {
3732					markMessage(message, status, errorMessage);
3733				}
3734				return message;
3735			}
3736		}
3737		return null;
3738	}
3739
3740	public boolean markMessage(Conversation conversation, String uuid, int status, String serverMessageId) {
3741		if (uuid == null) {
3742			return false;
3743		} else {
3744			Message message = conversation.findSentMessageWithUuid(uuid);
3745			if (message != null) {
3746				if (message.getServerMsgId() == null) {
3747					message.setServerMsgId(serverMessageId);
3748				}
3749				markMessage(message, status);
3750				return true;
3751			} else {
3752				return false;
3753			}
3754		}
3755	}
3756
3757	public void markMessage(Message message, int status) {
3758		markMessage(message, status, null);
3759	}
3760
3761
3762	public void markMessage(Message message, int status, String errorMessage) {
3763		final int c = message.getStatus();
3764		if (status == Message.STATUS_SEND_FAILED && (c == Message.STATUS_SEND_RECEIVED || c == Message.STATUS_SEND_DISPLAYED)) {
3765			return;
3766		}
3767		if (status == Message.STATUS_SEND_RECEIVED && c == Message.STATUS_SEND_DISPLAYED) {
3768			return;
3769		}
3770		message.setErrorMessage(errorMessage);
3771		message.setStatus(status);
3772		databaseBackend.updateMessage(message, false);
3773		updateConversationUi();
3774	}
3775
3776	private SharedPreferences getPreferences() {
3777		return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
3778	}
3779
3780	public long getAutomaticMessageDeletionDate() {
3781		final long timeout = getLongPreference(SettingsActivity.AUTOMATIC_MESSAGE_DELETION, R.integer.automatic_message_deletion);
3782		return timeout == 0 ? timeout : (System.currentTimeMillis() - (timeout * 1000));
3783	}
3784
3785	public long getLongPreference(String name, @IntegerRes int res) {
3786		long defaultValue = getResources().getInteger(res);
3787		try {
3788			return Long.parseLong(getPreferences().getString(name, String.valueOf(defaultValue)));
3789		} catch (NumberFormatException e) {
3790			return defaultValue;
3791		}
3792	}
3793
3794	public boolean getBooleanPreference(String name, @BoolRes int res) {
3795		return getPreferences().getBoolean(name, getResources().getBoolean(res));
3796	}
3797
3798	public boolean confirmMessages() {
3799		return getBooleanPreference("confirm_messages", R.bool.confirm_messages);
3800	}
3801
3802	public boolean allowMessageCorrection() {
3803		return getBooleanPreference("allow_message_correction", R.bool.allow_message_correction);
3804	}
3805
3806	public boolean sendChatStates() {
3807		return getBooleanPreference("chat_states", R.bool.chat_states);
3808	}
3809
3810	private boolean synchronizeWithBookmarks() {
3811		return getBooleanPreference("autojoin", R.bool.autojoin);
3812	}
3813
3814	public boolean indicateReceived() {
3815		return getBooleanPreference("indicate_received", R.bool.indicate_received);
3816	}
3817
3818	public boolean useTorToConnect() {
3819		return QuickConversationsService.isConversations() && getBooleanPreference("use_tor", R.bool.use_tor);
3820	}
3821
3822	public boolean showExtendedConnectionOptions() {
3823		return QuickConversationsService.isConversations() && getBooleanPreference("show_connection_options", R.bool.show_connection_options);
3824	}
3825
3826	public boolean broadcastLastActivity() {
3827		return getBooleanPreference(SettingsActivity.BROADCAST_LAST_ACTIVITY, R.bool.last_activity);
3828	}
3829
3830	public int unreadCount() {
3831		int count = 0;
3832		for (Conversation conversation : getConversations()) {
3833			count += conversation.unreadCount();
3834		}
3835		return count;
3836	}
3837
3838
3839	private <T> List<T> threadSafeList(Set<T> set) {
3840		synchronized (LISTENER_LOCK) {
3841			return set.size() == 0 ? Collections.emptyList() : new ArrayList<>(set);
3842		}
3843	}
3844
3845	public void showErrorToastInUi(int resId) {
3846		for (OnShowErrorToast listener : threadSafeList(this.mOnShowErrorToasts)) {
3847			listener.onShowErrorToast(resId);
3848		}
3849	}
3850
3851	public void updateConversationUi() {
3852		for (OnConversationUpdate listener : threadSafeList(this.mOnConversationUpdates)) {
3853			listener.onConversationUpdate();
3854		}
3855	}
3856
3857	public void updateAccountUi() {
3858		for (OnAccountUpdate listener : threadSafeList(this.mOnAccountUpdates)) {
3859			listener.onAccountUpdate();
3860		}
3861	}
3862
3863	public void updateRosterUi() {
3864		for (OnRosterUpdate listener : threadSafeList(this.mOnRosterUpdates)) {
3865			listener.onRosterUpdate();
3866		}
3867	}
3868
3869	public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
3870		if (mOnCaptchaRequested.size() > 0) {
3871			DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
3872			Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
3873					(int) (captcha.getHeight() * metrics.scaledDensity), false);
3874			for (OnCaptchaRequested listener : threadSafeList(this.mOnCaptchaRequested)) {
3875				listener.onCaptchaRequested(account, id, data, scaled);
3876			}
3877			return true;
3878		}
3879		return false;
3880	}
3881
3882	public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
3883		for (OnUpdateBlocklist listener : threadSafeList(this.mOnUpdateBlocklist)) {
3884			listener.OnUpdateBlocklist(status);
3885		}
3886	}
3887
3888	public void updateMucRosterUi() {
3889		for (OnMucRosterUpdate listener : threadSafeList(this.mOnMucRosterUpdate)) {
3890			listener.onMucRosterUpdate();
3891		}
3892	}
3893
3894	public void keyStatusUpdated(AxolotlService.FetchStatus report) {
3895		for (OnKeyStatusUpdated listener : threadSafeList(this.mOnKeyStatusUpdated)) {
3896			listener.onKeyStatusUpdated(report);
3897		}
3898	}
3899
3900	public Account findAccountByJid(final Jid accountJid) {
3901		for (Account account : this.accounts) {
3902			if (account.getJid().asBareJid().equals(accountJid.asBareJid())) {
3903				return account;
3904			}
3905		}
3906		return null;
3907	}
3908
3909	public Account findAccountByUuid(final String uuid) {
3910		for(Account account : this.accounts) {
3911			if (account.getUuid().equals(uuid)) {
3912				return account;
3913			}
3914		}
3915		return null;
3916	}
3917
3918	public Conversation findConversationByUuid(String uuid) {
3919		for (Conversation conversation : getConversations()) {
3920			if (conversation.getUuid().equals(uuid)) {
3921				return conversation;
3922			}
3923		}
3924		return null;
3925	}
3926
3927	public Conversation findUniqueConversationByJid(XmppUri xmppUri) {
3928		List<Conversation> findings = new ArrayList<>();
3929		for (Conversation c : getConversations()) {
3930			if (c.getAccount().isEnabled() && c.getJid().asBareJid().equals(xmppUri.getJid()) && ((c.getMode() == Conversational.MODE_MULTI) == xmppUri.isAction(XmppUri.ACTION_JOIN))) {
3931				findings.add(c);
3932			}
3933		}
3934		return findings.size() == 1 ? findings.get(0) : null;
3935	}
3936
3937	public boolean markRead(final Conversation conversation, boolean dismiss) {
3938		return markRead(conversation, null, dismiss).size() > 0;
3939	}
3940
3941	public void markRead(final Conversation conversation) {
3942		markRead(conversation, null, true);
3943	}
3944
3945	public List<Message> markRead(final Conversation conversation, String upToUuid, boolean dismiss) {
3946		if (dismiss) {
3947			mNotificationService.clear(conversation);
3948		}
3949		final List<Message> readMessages = conversation.markRead(upToUuid);
3950		if (readMessages.size() > 0) {
3951			Runnable runnable = () -> {
3952				for (Message message : readMessages) {
3953					databaseBackend.updateMessage(message, false);
3954				}
3955			};
3956			mDatabaseWriterExecutor.execute(runnable);
3957			updateUnreadCountBadge();
3958			return readMessages;
3959		} else {
3960			return readMessages;
3961		}
3962	}
3963
3964	public synchronized void updateUnreadCountBadge() {
3965		int count = unreadCount();
3966		if (unreadCount != count) {
3967			Log.d(Config.LOGTAG, "update unread count to " + count);
3968			if (count > 0) {
3969				ShortcutBadger.applyCount(getApplicationContext(), count);
3970			} else {
3971				ShortcutBadger.removeCount(getApplicationContext());
3972			}
3973			unreadCount = count;
3974		}
3975	}
3976
3977	public void sendReadMarker(final Conversation conversation, String upToUuid) {
3978		final boolean isPrivateAndNonAnonymousMuc = conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous();
3979		final List<Message> readMessages = this.markRead(conversation, upToUuid, true);
3980		if (readMessages.size() > 0) {
3981			updateConversationUi();
3982		}
3983		final Message markable = Conversation.getLatestMarkableMessage(readMessages, isPrivateAndNonAnonymousMuc);
3984		if (confirmMessages()
3985				&& markable != null
3986				&& (markable.trusted() || isPrivateAndNonAnonymousMuc)
3987				&& markable.getRemoteMsgId() != null) {
3988			Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
3989			Account account = conversation.getAccount();
3990			final Jid to = markable.getCounterpart();
3991			final boolean groupChat = conversation.getMode() == Conversation.MODE_MULTI;
3992			MessagePacket packet = mMessageGenerator.confirm(account, to, markable.getRemoteMsgId(), markable.getCounterpart(), groupChat);
3993			this.sendMessagePacket(conversation.getAccount(), packet);
3994		}
3995	}
3996
3997	public SecureRandom getRNG() {
3998		return this.mRandom;
3999	}
4000
4001	public MemorizingTrustManager getMemorizingTrustManager() {
4002		return this.mMemorizingTrustManager;
4003	}
4004
4005	public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
4006		this.mMemorizingTrustManager = trustManager;
4007	}
4008
4009	public void updateMemorizingTrustmanager() {
4010		final MemorizingTrustManager tm;
4011		final boolean dontTrustSystemCAs = getBooleanPreference("dont_trust_system_cas", R.bool.dont_trust_system_cas);
4012		if (dontTrustSystemCAs) {
4013			tm = new MemorizingTrustManager(getApplicationContext(), null);
4014		} else {
4015			tm = new MemorizingTrustManager(getApplicationContext());
4016		}
4017		setMemorizingTrustManager(tm);
4018	}
4019
4020	public LruCache<String, Bitmap> getBitmapCache() {
4021		return this.mBitmapCache;
4022	}
4023
4024	public Collection<String> getKnownHosts() {
4025		final Set<String> hosts = new HashSet<>();
4026		for (final Account account : getAccounts()) {
4027			hosts.add(account.getServer());
4028			for (final Contact contact : account.getRoster().getContacts()) {
4029				if (contact.showInRoster()) {
4030					final String server = contact.getServer();
4031					if (server != null) {
4032						hosts.add(server);
4033					}
4034				}
4035			}
4036		}
4037		if (Config.QUICKSY_DOMAIN != null) {
4038		    hosts.remove(Config.QUICKSY_DOMAIN); //we only want to show this when we type a e164 number
4039        }
4040		if (Config.DOMAIN_LOCK != null) {
4041			hosts.add(Config.DOMAIN_LOCK);
4042		}
4043		if (Config.MAGIC_CREATE_DOMAIN != null) {
4044			hosts.add(Config.MAGIC_CREATE_DOMAIN);
4045		}
4046		return hosts;
4047	}
4048
4049	public Collection<String> getKnownConferenceHosts() {
4050		final Set<String> mucServers = new HashSet<>();
4051		for (final Account account : accounts) {
4052			if (account.getXmppConnection() != null) {
4053				mucServers.addAll(account.getXmppConnection().getMucServers());
4054				for (Bookmark bookmark : account.getBookmarks()) {
4055					final Jid jid = bookmark.getJid();
4056					final String s = jid == null ? null : jid.getDomain();
4057					if (s != null) {
4058						mucServers.add(s);
4059					}
4060				}
4061			}
4062		}
4063		return mucServers;
4064	}
4065
4066	public void sendMessagePacket(Account account, MessagePacket packet) {
4067		XmppConnection connection = account.getXmppConnection();
4068		if (connection != null) {
4069			connection.sendMessagePacket(packet);
4070		}
4071	}
4072
4073	public void sendPresencePacket(Account account, PresencePacket packet) {
4074		XmppConnection connection = account.getXmppConnection();
4075		if (connection != null) {
4076			connection.sendPresencePacket(packet);
4077		}
4078	}
4079
4080	public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
4081		final XmppConnection connection = account.getXmppConnection();
4082		if (connection != null) {
4083			IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
4084			connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener, true);
4085		}
4086	}
4087
4088	public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
4089		final XmppConnection connection = account.getXmppConnection();
4090		if (connection != null) {
4091			connection.sendIqPacket(packet, callback);
4092		} else if (callback != null) {
4093		    callback.onIqPacketReceived(account,new IqPacket(IqPacket.TYPE.TIMEOUT));
4094        }
4095	}
4096
4097	public void sendPresence(final Account account) {
4098		sendPresence(account, checkListeners() && broadcastLastActivity());
4099	}
4100
4101	private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
4102		Presence.Status status;
4103		if (manuallyChangePresence()) {
4104			status = account.getPresenceStatus();
4105		} else {
4106			status = getTargetPresence();
4107		}
4108		PresencePacket packet = mPresenceGenerator.selfPresence(account, status);
4109		String message = account.getPresenceStatusMessage();
4110		if (message != null && !message.isEmpty()) {
4111			packet.addChild(new Element("status").setContent(message));
4112		}
4113		if (mLastActivity > 0 && includeIdleTimestamp) {
4114			long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
4115			packet.addChild("idle", Namespace.IDLE).setAttribute("since", AbstractGenerator.getTimestamp(since));
4116		}
4117		sendPresencePacket(account, packet);
4118	}
4119
4120	private void deactivateGracePeriod() {
4121		for (Account account : getAccounts()) {
4122			account.deactivateGracePeriod();
4123		}
4124	}
4125
4126	public void refreshAllPresences() {
4127		boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
4128		for (Account account : getAccounts()) {
4129			if (account.isEnabled()) {
4130				sendPresence(account, includeIdleTimestamp);
4131			}
4132		}
4133	}
4134
4135	private void refreshAllFcmTokens() {
4136		for (Account account : getAccounts()) {
4137			if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
4138				mPushManagementService.registerPushTokenOnServer(account);
4139				//TODO renew mucs
4140			}
4141		}
4142	}
4143
4144	private void sendOfflinePresence(final Account account) {
4145		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending offline presence");
4146		sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
4147	}
4148
4149	public MessageGenerator getMessageGenerator() {
4150		return this.mMessageGenerator;
4151	}
4152
4153	public PresenceGenerator getPresenceGenerator() {
4154		return this.mPresenceGenerator;
4155	}
4156
4157	public IqGenerator getIqGenerator() {
4158		return this.mIqGenerator;
4159	}
4160
4161	public IqParser getIqParser() {
4162		return this.mIqParser;
4163	}
4164
4165	public JingleConnectionManager getJingleConnectionManager() {
4166		return this.mJingleConnectionManager;
4167	}
4168
4169	public MessageArchiveService getMessageArchiveService() {
4170		return this.mMessageArchiveService;
4171	}
4172
4173	public QuickConversationsService getQuickConversationsService() {
4174        return this.mQuickConversationsService;
4175    }
4176
4177	public List<Contact> findContacts(Jid jid, String accountJid) {
4178		ArrayList<Contact> contacts = new ArrayList<>();
4179		for (Account account : getAccounts()) {
4180			if ((account.isEnabled() || accountJid != null)
4181					&& (accountJid == null || accountJid.equals(account.getJid().asBareJid().toString()))) {
4182				Contact contact = account.getRoster().getContactFromContactList(jid);
4183				if (contact != null) {
4184					contacts.add(contact);
4185				}
4186			}
4187		}
4188		return contacts;
4189	}
4190
4191	public Conversation findFirstMuc(Jid jid) {
4192		for (Conversation conversation : getConversations()) {
4193			if (conversation.getAccount().isEnabled() && conversation.getJid().asBareJid().equals(jid.asBareJid()) && conversation.getMode() == Conversation.MODE_MULTI) {
4194				return conversation;
4195			}
4196		}
4197		return null;
4198	}
4199
4200	public NotificationService getNotificationService() {
4201		return this.mNotificationService;
4202	}
4203
4204	public HttpConnectionManager getHttpConnectionManager() {
4205		return this.mHttpConnectionManager;
4206	}
4207
4208	public void resendFailedMessages(final Message message) {
4209		final Collection<Message> messages = new ArrayList<>();
4210		Message current = message;
4211		while (current.getStatus() == Message.STATUS_SEND_FAILED) {
4212			messages.add(current);
4213			if (current.mergeable(current.next())) {
4214				current = current.next();
4215			} else {
4216				break;
4217			}
4218		}
4219		for (final Message msg : messages) {
4220			msg.setTime(System.currentTimeMillis());
4221			markMessage(msg, Message.STATUS_WAITING);
4222			this.resendMessage(msg, false);
4223		}
4224		if (message.getConversation() instanceof Conversation) {
4225			((Conversation) message.getConversation()).sort();
4226		}
4227		updateConversationUi();
4228	}
4229
4230	public void clearConversationHistory(final Conversation conversation) {
4231		final long clearDate;
4232		final String reference;
4233		if (conversation.countMessages() > 0) {
4234			Message latestMessage = conversation.getLatestMessage();
4235			clearDate = latestMessage.getTimeSent() + 1000;
4236			reference = latestMessage.getServerMsgId();
4237		} else {
4238			clearDate = System.currentTimeMillis();
4239			reference = null;
4240		}
4241		conversation.clearMessages();
4242		conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
4243		conversation.setLastClearHistory(clearDate, reference);
4244		Runnable runnable = () -> {
4245			databaseBackend.deleteMessagesInConversation(conversation);
4246			databaseBackend.updateConversation(conversation);
4247		};
4248		mDatabaseWriterExecutor.execute(runnable);
4249	}
4250
4251	public boolean sendBlockRequest(final Blockable blockable, boolean reportSpam) {
4252		if (blockable != null && blockable.getBlockedJid() != null) {
4253			final Jid jid = blockable.getBlockedJid();
4254			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), new OnIqPacketReceived() {
4255
4256				@Override
4257				public void onIqPacketReceived(final Account account, final IqPacket packet) {
4258					if (packet.getType() == IqPacket.TYPE.RESULT) {
4259						account.getBlocklist().add(jid);
4260						updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
4261					}
4262				}
4263			});
4264			if (removeBlockedConversations(blockable.getAccount(), jid)) {
4265				updateConversationUi();
4266				return true;
4267			} else {
4268				return false;
4269			}
4270		} else {
4271			return false;
4272		}
4273	}
4274
4275	public boolean removeBlockedConversations(final Account account, final Jid blockedJid) {
4276		boolean removed = false;
4277		synchronized (this.conversations) {
4278			boolean domainJid = blockedJid.getLocal() == null;
4279			for (Conversation conversation : this.conversations) {
4280				boolean jidMatches = (domainJid && blockedJid.getDomain().equals(conversation.getJid().getDomain()))
4281						|| blockedJid.equals(conversation.getJid().asBareJid());
4282				if (conversation.getAccount() == account
4283						&& conversation.getMode() == Conversation.MODE_SINGLE
4284						&& jidMatches) {
4285					this.conversations.remove(conversation);
4286					markRead(conversation);
4287					conversation.setStatus(Conversation.STATUS_ARCHIVED);
4288					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conversation " + conversation.getJid().asBareJid() + " because jid was blocked");
4289					updateConversation(conversation);
4290					removed = true;
4291				}
4292			}
4293		}
4294		return removed;
4295	}
4296
4297	public void sendUnblockRequest(final Blockable blockable) {
4298		if (blockable != null && blockable.getJid() != null) {
4299			final Jid jid = blockable.getBlockedJid();
4300			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
4301				@Override
4302				public void onIqPacketReceived(final Account account, final IqPacket packet) {
4303					if (packet.getType() == IqPacket.TYPE.RESULT) {
4304						account.getBlocklist().remove(jid);
4305						updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
4306					}
4307				}
4308			});
4309		}
4310	}
4311
4312	public void publishDisplayName(Account account) {
4313		String displayName = account.getDisplayName();
4314		final IqPacket request;
4315		if (TextUtils.isEmpty(displayName)) {
4316            request = mIqGenerator.deleteNode(Namespace.NICK);
4317		} else {
4318            request = mIqGenerator.publishNick(displayName);
4319        }
4320        mAvatarService.clear(account);
4321        sendIqPacket(account, request, (account1, packet) -> {
4322            if (packet.getType() == IqPacket.TYPE.ERROR) {
4323                Log.d(Config.LOGTAG, account1.getJid().asBareJid() + ": unable to modify nick name "+packet.toString());
4324            }
4325        });
4326	}
4327
4328	public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
4329		ServiceDiscoveryResult result = discoCache.get(key);
4330		if (result != null) {
4331			return result;
4332		} else {
4333			result = databaseBackend.findDiscoveryResult(key.first, key.second);
4334			if (result != null) {
4335				discoCache.put(key, result);
4336			}
4337			return result;
4338		}
4339	}
4340
4341	public void fetchCaps(Account account, final Jid jid, final Presence presence) {
4342		final Pair<String, String> key = new Pair<>(presence.getHash(), presence.getVer());
4343		ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
4344		if (disco != null) {
4345			presence.setServiceDiscoveryResult(disco);
4346		} else {
4347			if (!account.inProgressDiscoFetches.contains(key)) {
4348				account.inProgressDiscoFetches.add(key);
4349				IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4350				request.setTo(jid);
4351				final String node = presence.getNode();
4352				final String ver = presence.getVer();
4353				final Element query = request.query("http://jabber.org/protocol/disco#info");
4354				if (node != null && ver != null) {
4355					query.setAttribute("node",node+"#"+ver);
4356				}
4357				Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": making disco request for " + key.second + " to " + jid);
4358				sendIqPacket(account, request, (a, response) -> {
4359					if (response.getType() == IqPacket.TYPE.RESULT) {
4360						ServiceDiscoveryResult discoveryResult = new ServiceDiscoveryResult(response);
4361						if (presence.getVer().equals(discoveryResult.getVer())) {
4362							databaseBackend.insertDiscoveryResult(discoveryResult);
4363							injectServiceDiscoveryResult(a.getRoster(), presence.getHash(), presence.getVer(), discoveryResult);
4364						} else {
4365							Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + discoveryResult.getVer());
4366						}
4367					}
4368					a.inProgressDiscoFetches.remove(key);
4369				});
4370			}
4371		}
4372	}
4373
4374	private void injectServiceDiscoveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
4375		for (Contact contact : roster.getContacts()) {
4376			for (Presence presence : contact.getPresences().getPresences().values()) {
4377				if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
4378					presence.setServiceDiscoveryResult(disco);
4379				}
4380			}
4381		}
4382	}
4383
4384	public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
4385		final MessageArchiveService.Version version = MessageArchiveService.Version.get(account);
4386		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4387		request.addChild("prefs", version.namespace);
4388		sendIqPacket(account, request, (account1, packet) -> {
4389			Element prefs = packet.findChild("prefs", version.namespace);
4390			if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
4391				callback.onPreferencesFetched(prefs);
4392			} else {
4393				callback.onPreferencesFetchFailed();
4394			}
4395		});
4396	}
4397
4398	public PushManagementService getPushManagementService() {
4399		return mPushManagementService;
4400	}
4401
4402	public void changeStatus(Account account, PresenceTemplate template, String signature) {
4403		if (!template.getStatusMessage().isEmpty()) {
4404			databaseBackend.insertPresenceTemplate(template);
4405		}
4406		account.setPgpSignature(signature);
4407		account.setPresenceStatus(template.getStatus());
4408		account.setPresenceStatusMessage(template.getStatusMessage());
4409		databaseBackend.updateAccount(account);
4410		sendPresence(account);
4411	}
4412
4413	public List<PresenceTemplate> getPresenceTemplates(Account account) {
4414		List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
4415		for (PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
4416			if (!templates.contains(template)) {
4417				templates.add(0, template);
4418			}
4419		}
4420		return templates;
4421	}
4422
4423	public void saveConversationAsBookmark(Conversation conversation, String name) {
4424		Account account = conversation.getAccount();
4425		Bookmark bookmark = new Bookmark(account, conversation.getJid().asBareJid());
4426		if (!conversation.getJid().isBareJid()) {
4427			bookmark.setNick(conversation.getJid().getResource());
4428		}
4429		if (!TextUtils.isEmpty(name)) {
4430			bookmark.setBookmarkName(name);
4431		}
4432		bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
4433		account.getBookmarks().add(bookmark);
4434		pushBookmarks(account);
4435		bookmark.setConversation(conversation);
4436	}
4437
4438	public boolean verifyFingerprints(Contact contact, List<XmppUri.Fingerprint> fingerprints) {
4439		boolean performedVerification = false;
4440		final AxolotlService axolotlService = contact.getAccount().getAxolotlService();
4441		for (XmppUri.Fingerprint fp : fingerprints) {
4442			if (fp.type == XmppUri.FingerprintType.OMEMO) {
4443				String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4444				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4445				if (fingerprintStatus != null) {
4446					if (!fingerprintStatus.isVerified()) {
4447						performedVerification = true;
4448						axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4449					}
4450				} else {
4451					axolotlService.preVerifyFingerprint(contact, fingerprint);
4452				}
4453			}
4454		}
4455		return performedVerification;
4456	}
4457
4458	public boolean verifyFingerprints(Account account, List<XmppUri.Fingerprint> fingerprints) {
4459		final AxolotlService axolotlService = account.getAxolotlService();
4460		boolean verifiedSomething = false;
4461		for (XmppUri.Fingerprint fp : fingerprints) {
4462			if (fp.type == XmppUri.FingerprintType.OMEMO) {
4463				String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4464				Log.d(Config.LOGTAG, "trying to verify own fp=" + fingerprint);
4465				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4466				if (fingerprintStatus != null) {
4467					if (!fingerprintStatus.isVerified()) {
4468						axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4469						verifiedSomething = true;
4470					}
4471				} else {
4472					axolotlService.preVerifyFingerprint(account, fingerprint);
4473					verifiedSomething = true;
4474				}
4475			}
4476		}
4477		return verifiedSomething;
4478	}
4479
4480	public boolean blindTrustBeforeVerification() {
4481		return getBooleanPreference(SettingsActivity.BLIND_TRUST_BEFORE_VERIFICATION, R.bool.btbv);
4482	}
4483
4484	public ShortcutService getShortcutService() {
4485		return mShortcutService;
4486	}
4487
4488	public void pushMamPreferences(Account account, Element prefs) {
4489		IqPacket set = new IqPacket(IqPacket.TYPE.SET);
4490		set.addChild(prefs);
4491		sendIqPacket(account, set, null);
4492	}
4493
4494	public interface OnMamPreferencesFetched {
4495		void onPreferencesFetched(Element prefs);
4496
4497		void onPreferencesFetchFailed();
4498	}
4499
4500	public interface OnAccountCreated {
4501		void onAccountCreated(Account account);
4502
4503		void informUser(int r);
4504	}
4505
4506	public interface OnMoreMessagesLoaded {
4507		void onMoreMessagesLoaded(int count, Conversation conversation);
4508
4509		void informUser(int r);
4510	}
4511
4512	public interface OnAccountPasswordChanged {
4513		void onPasswordChangeSucceeded();
4514
4515		void onPasswordChangeFailed();
4516	}
4517
4518    public interface OnRoomDestroy {
4519        void onRoomDestroySucceeded();
4520
4521        void onRoomDestroyFailed();
4522    }
4523
4524	public interface OnAffiliationChanged {
4525		void onAffiliationChangedSuccessful(Jid jid);
4526
4527		void onAffiliationChangeFailed(Jid jid, int resId);
4528	}
4529
4530	public interface OnConversationUpdate {
4531		void onConversationUpdate();
4532	}
4533
4534	public interface OnAccountUpdate {
4535		void onAccountUpdate();
4536	}
4537
4538	public interface OnCaptchaRequested {
4539		void onCaptchaRequested(Account account, String id, Data data, Bitmap captcha);
4540	}
4541
4542	public interface OnRosterUpdate {
4543		void onRosterUpdate();
4544	}
4545
4546	public interface OnMucRosterUpdate {
4547		void onMucRosterUpdate();
4548	}
4549
4550	public interface OnConferenceConfigurationFetched {
4551		void onConferenceConfigurationFetched(Conversation conversation);
4552
4553		void onFetchFailed(Conversation conversation, Element error);
4554	}
4555
4556	public interface OnConferenceJoined {
4557		void onConferenceJoined(Conversation conversation);
4558	}
4559
4560	public interface OnConfigurationPushed {
4561		void onPushSucceeded();
4562
4563		void onPushFailed();
4564	}
4565
4566	public interface OnShowErrorToast {
4567		void onShowErrorToast(int resId);
4568	}
4569
4570	public class XmppConnectionBinder extends Binder {
4571		public XmppConnectionService getService() {
4572			return XmppConnectionService.this;
4573		}
4574	}
4575
4576	private class InternalEventReceiver extends BroadcastReceiver {
4577
4578        @Override
4579        public void onReceive(Context context, Intent intent) {
4580            onStartCommand(intent,0,0);
4581        }
4582    }
4583}