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