XmppConnectionService.java

   1package eu.siacs.conversations.services;
   2
   3import android.Manifest;
   4import android.annotation.SuppressLint;
   5import android.annotation.TargetApi;
   6import android.app.AlarmManager;
   7import android.app.Notification;
   8import android.app.NotificationManager;
   9import android.app.PendingIntent;
  10import android.app.Service;
  11import android.content.BroadcastReceiver;
  12import android.content.ComponentName;
  13import android.content.Context;
  14import android.content.Intent;
  15import android.content.IntentFilter;
  16import android.content.SharedPreferences;
  17import android.content.pm.PackageManager;
  18import android.database.ContentObserver;
  19import android.graphics.Bitmap;
  20import android.media.AudioManager;
  21import android.net.ConnectivityManager;
  22import android.net.NetworkInfo;
  23import android.net.Uri;
  24import android.os.Binder;
  25import android.os.Build;
  26import android.os.Bundle;
  27import android.os.Environment;
  28import android.os.IBinder;
  29import android.os.PowerManager;
  30import android.os.PowerManager.WakeLock;
  31import android.os.SystemClock;
  32import android.preference.PreferenceManager;
  33import android.provider.ContactsContract;
  34import android.security.KeyChain;
  35import android.support.annotation.BoolRes;
  36import android.support.annotation.IntegerRes;
  37import android.support.v4.app.RemoteInput;
  38import android.support.v4.content.ContextCompat;
  39import android.text.TextUtils;
  40import android.util.DisplayMetrics;
  41import android.util.Log;
  42import android.util.LruCache;
  43import android.util.Pair;
  44
  45import org.conscrypt.Conscrypt;
  46import org.openintents.openpgp.IOpenPgpService2;
  47import org.openintents.openpgp.util.OpenPgpApi;
  48import org.openintents.openpgp.util.OpenPgpServiceConnection;
  49
  50import java.io.File;
  51import java.net.URL;
  52import java.security.SecureRandom;
  53import java.security.Security;
  54import java.security.cert.CertificateException;
  55import java.security.cert.X509Certificate;
  56import java.util.ArrayList;
  57import java.util.Arrays;
  58import java.util.Collection;
  59import java.util.Collections;
  60import java.util.HashMap;
  61import java.util.HashSet;
  62import java.util.Hashtable;
  63import java.util.Iterator;
  64import java.util.List;
  65import java.util.ListIterator;
  66import java.util.Map;
  67import java.util.Set;
  68import java.util.WeakHashMap;
  69import java.util.concurrent.CopyOnWriteArrayList;
  70import java.util.concurrent.CountDownLatch;
  71import java.util.concurrent.atomic.AtomicBoolean;
  72import java.util.concurrent.atomic.AtomicLong;
  73
  74import eu.siacs.conversations.Config;
  75import eu.siacs.conversations.R;
  76import eu.siacs.conversations.android.JabberIdContact;
  77import eu.siacs.conversations.crypto.OmemoSetting;
  78import eu.siacs.conversations.crypto.PgpDecryptionService;
  79import eu.siacs.conversations.crypto.PgpEngine;
  80import eu.siacs.conversations.crypto.axolotl.AxolotlService;
  81import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
  82import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
  83import eu.siacs.conversations.entities.Account;
  84import eu.siacs.conversations.entities.Blockable;
  85import eu.siacs.conversations.entities.Bookmark;
  86import eu.siacs.conversations.entities.Contact;
  87import eu.siacs.conversations.entities.Conversation;
  88import eu.siacs.conversations.entities.Conversational;
  89import eu.siacs.conversations.entities.Message;
  90import eu.siacs.conversations.entities.MucOptions;
  91import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
  92import eu.siacs.conversations.entities.Presence;
  93import eu.siacs.conversations.entities.PresenceTemplate;
  94import eu.siacs.conversations.entities.Roster;
  95import eu.siacs.conversations.entities.ServiceDiscoveryResult;
  96import eu.siacs.conversations.generator.AbstractGenerator;
  97import eu.siacs.conversations.generator.IqGenerator;
  98import eu.siacs.conversations.generator.MessageGenerator;
  99import eu.siacs.conversations.generator.PresenceGenerator;
 100import eu.siacs.conversations.http.CustomURLStreamHandlerFactory;
 101import eu.siacs.conversations.http.HttpConnectionManager;
 102import eu.siacs.conversations.parser.AbstractParser;
 103import eu.siacs.conversations.parser.IqParser;
 104import eu.siacs.conversations.parser.MessageParser;
 105import eu.siacs.conversations.parser.PresenceParser;
 106import eu.siacs.conversations.persistance.DatabaseBackend;
 107import eu.siacs.conversations.persistance.FileBackend;
 108import eu.siacs.conversations.ui.ChooseAccountForProfilePictureActivity;
 109import eu.siacs.conversations.ui.SettingsActivity;
 110import eu.siacs.conversations.ui.UiCallback;
 111import eu.siacs.conversations.ui.interfaces.OnAvatarPublication;
 112import eu.siacs.conversations.ui.interfaces.OnMediaLoaded;
 113import eu.siacs.conversations.ui.interfaces.OnSearchResultsAvailable;
 114import eu.siacs.conversations.utils.Compatibility;
 115import eu.siacs.conversations.utils.ConversationsFileObserver;
 116import eu.siacs.conversations.utils.CryptoHelper;
 117import eu.siacs.conversations.utils.ExceptionHelper;
 118import eu.siacs.conversations.utils.MimeUtils;
 119import eu.siacs.conversations.utils.PhoneHelper;
 120import eu.siacs.conversations.utils.QuickLoader;
 121import eu.siacs.conversations.utils.ReplacingSerialSingleThreadExecutor;
 122import eu.siacs.conversations.utils.ReplacingTaskManager;
 123import eu.siacs.conversations.utils.Resolver;
 124import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
 125import eu.siacs.conversations.utils.StringUtils;
 126import eu.siacs.conversations.utils.WakeLockHelper;
 127import eu.siacs.conversations.utils.XmppUri;
 128import eu.siacs.conversations.xml.Element;
 129import eu.siacs.conversations.xml.Namespace;
 130import eu.siacs.conversations.xmpp.OnBindListener;
 131import eu.siacs.conversations.xmpp.OnContactStatusChanged;
 132import eu.siacs.conversations.xmpp.OnIqPacketReceived;
 133import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
 134import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
 135import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 136import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
 137import eu.siacs.conversations.xmpp.OnStatusChanged;
 138import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
 139import eu.siacs.conversations.xmpp.Patches;
 140import eu.siacs.conversations.xmpp.XmppConnection;
 141import eu.siacs.conversations.xmpp.chatstate.ChatState;
 142import eu.siacs.conversations.xmpp.forms.Data;
 143import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 144import eu.siacs.conversations.xmpp.jingle.OnJinglePacketReceived;
 145import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
 146import eu.siacs.conversations.xmpp.mam.MamReference;
 147import eu.siacs.conversations.xmpp.pep.Avatar;
 148import eu.siacs.conversations.xmpp.pep.PublishOptions;
 149import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 150import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 151import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 152import me.leolin.shortcutbadger.ShortcutBadger;
 153import rocks.xmpp.addr.Jid;
 154
 155public class XmppConnectionService extends Service {
 156
 157    public static final String ACTION_REPLY_TO_CONVERSATION = "reply_to_conversations";
 158    public static final String ACTION_MARK_AS_READ = "mark_as_read";
 159    public static final String ACTION_SNOOZE = "snooze";
 160    public static final String ACTION_CLEAR_NOTIFICATION = "clear_notification";
 161    public static final String ACTION_DISMISS_ERROR_NOTIFICATIONS = "dismiss_error";
 162    public static final String ACTION_TRY_AGAIN = "try_again";
 163    public static final String ACTION_IDLE_PING = "idle_ping";
 164    public static final String ACTION_FCM_TOKEN_REFRESH = "fcm_token_refresh";
 165    public static final String ACTION_FCM_MESSAGE_RECEIVED = "fcm_message_received";
 166    private static final String ACTION_POST_CONNECTIVITY_CHANGE = "eu.siacs.conversations.POST_CONNECTIVITY_CHANGE";
 167
 168    private static final String SETTING_LAST_ACTIVITY_TS = "last_activity_timestamp";
 169
 170    static {
 171        URL.setURLStreamHandlerFactory(new CustomURLStreamHandlerFactory());
 172    }
 173
 174    public final CountDownLatch restoredFromDatabaseLatch = new CountDownLatch(1);
 175    private final SerialSingleThreadExecutor mFileAddingExecutor = new SerialSingleThreadExecutor("FileAdding");
 176    private final SerialSingleThreadExecutor mVideoCompressionExecutor = new SerialSingleThreadExecutor("VideoCompression");
 177    private final SerialSingleThreadExecutor mDatabaseWriterExecutor = new SerialSingleThreadExecutor("DatabaseWriter");
 178    private final SerialSingleThreadExecutor mDatabaseReaderExecutor = new SerialSingleThreadExecutor("DatabaseReader");
 179    private final SerialSingleThreadExecutor mNotificationExecutor = new SerialSingleThreadExecutor("NotificationExecutor");
 180    private final ReplacingTaskManager mRosterSyncTaskManager = new ReplacingTaskManager();
 181    private final IBinder mBinder = new XmppConnectionBinder();
 182    private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 183    private final IqGenerator mIqGenerator = new IqGenerator(this);
 184    private final Set<String> mInProgressAvatarFetches = new HashSet<>();
 185    private final Set<String> mOmittedPepAvatarFetches = new HashSet<>();
 186    private final HashSet<Jid> mLowPingTimeoutMode = new HashSet<>();
 187    private final OnIqPacketReceived mDefaultIqHandler = (account, packet) -> {
 188        if (packet.getType() != IqPacket.TYPE.RESULT) {
 189            Element error = packet.findChild("error");
 190            String text = error != null ? error.findChildContent("text") : null;
 191            if (text != null) {
 192                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received iq error - " + text);
 193            }
 194        }
 195    };
 196    public DatabaseBackend databaseBackend;
 197    private ReplacingSerialSingleThreadExecutor mContactMergerExecutor = new ReplacingSerialSingleThreadExecutor("ContactMerger");
 198    private long mLastActivity = 0;
 199    private FileBackend fileBackend = new FileBackend(this);
 200    private MemorizingTrustManager mMemorizingTrustManager;
 201    private NotificationService mNotificationService = new NotificationService(this);
 202    private ChannelDiscoveryService mChannelDiscoveryService = new ChannelDiscoveryService(this);
 203    private ShortcutService mShortcutService = new ShortcutService(this);
 204    private AtomicBoolean mInitialAddressbookSyncCompleted = new AtomicBoolean(false);
 205    private AtomicBoolean mForceForegroundService = new AtomicBoolean(false);
 206    private AtomicBoolean mForceDuringOnCreate = new AtomicBoolean(false);
 207    private OnMessagePacketReceived mMessageParser = new MessageParser(this);
 208    private OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 209    private IqParser mIqParser = new IqParser(this);
 210    private MessageGenerator mMessageGenerator = new MessageGenerator(this);
 211    public OnContactStatusChanged onContactStatusChanged = (contact, online) -> {
 212        Conversation conversation = find(getConversations(), contact);
 213        if (conversation != null) {
 214            if (online) {
 215                if (contact.getPresences().size() == 1) {
 216                    sendUnsentMessages(conversation);
 217                }
 218            }
 219        }
 220    };
 221    private PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 222    private List<Account> accounts;
 223    private JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(
 224            this);
 225    private final OnJinglePacketReceived jingleListener = new OnJinglePacketReceived() {
 226
 227        @Override
 228        public void onJinglePacketReceived(Account account, JinglePacket packet) {
 229            mJingleConnectionManager.deliverPacket(account, packet);
 230        }
 231    };
 232    private HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(this);
 233    private AvatarService mAvatarService = new AvatarService(this);
 234    private MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 235    private PushManagementService mPushManagementService = new PushManagementService(this);
 236    private QuickConversationsService mQuickConversationsService = new QuickConversationsService(this);
 237    private final ConversationsFileObserver fileObserver = new ConversationsFileObserver(
 238            Environment.getExternalStorageDirectory().getAbsolutePath()
 239    ) {
 240        @Override
 241        public void onEvent(int event, String path) {
 242            markFileDeleted(path);
 243        }
 244    };
 245    private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 246
 247        @Override
 248        public boolean onMessageAcknowledged(Account account, String uuid) {
 249            for (final Conversation conversation : getConversations()) {
 250                if (conversation.getAccount() == account) {
 251                    Message message = conversation.findUnsentMessageWithUuid(uuid);
 252                    if (message != null) {
 253                        message.setStatus(Message.STATUS_SEND);
 254                        message.setErrorMessage(null);
 255                        databaseBackend.updateMessage(message, false);
 256                        return true;
 257                    }
 258                }
 259            }
 260            return false;
 261        }
 262    };
 263
 264    private boolean destroyed = false;
 265
 266    private int unreadCount = -1;
 267
 268    //Ui callback listeners
 269    private final Set<OnConversationUpdate> mOnConversationUpdates = Collections.newSetFromMap(new WeakHashMap<OnConversationUpdate, Boolean>());
 270    private final Set<OnShowErrorToast> mOnShowErrorToasts = Collections.newSetFromMap(new WeakHashMap<OnShowErrorToast, Boolean>());
 271    private final Set<OnAccountUpdate> mOnAccountUpdates = Collections.newSetFromMap(new WeakHashMap<OnAccountUpdate, Boolean>());
 272    private final Set<OnCaptchaRequested> mOnCaptchaRequested = Collections.newSetFromMap(new WeakHashMap<OnCaptchaRequested, Boolean>());
 273    private final Set<OnRosterUpdate> mOnRosterUpdates = Collections.newSetFromMap(new WeakHashMap<OnRosterUpdate, Boolean>());
 274    private final Set<OnUpdateBlocklist> mOnUpdateBlocklist = Collections.newSetFromMap(new WeakHashMap<OnUpdateBlocklist, Boolean>());
 275    private final Set<OnMucRosterUpdate> mOnMucRosterUpdate = Collections.newSetFromMap(new WeakHashMap<OnMucRosterUpdate, Boolean>());
 276    private final Set<OnKeyStatusUpdated> mOnKeyStatusUpdated = Collections.newSetFromMap(new WeakHashMap<OnKeyStatusUpdated, Boolean>());
 277
 278    private final Object LISTENER_LOCK = new Object();
 279
 280
 281    private final OnBindListener mOnBindListener = new OnBindListener() {
 282
 283        @Override
 284        public void onBind(final Account account) {
 285            synchronized (mInProgressAvatarFetches) {
 286                for (Iterator<String> iterator = mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
 287                    final String KEY = iterator.next();
 288                    if (KEY.startsWith(account.getJid().asBareJid() + "_")) {
 289                        iterator.remove();
 290                    }
 291                }
 292            }
 293            boolean loggedInSuccessfully = account.setOption(Account.OPTION_LOGGED_IN_SUCCESSFULLY, true);
 294            boolean gainedFeature = account.setOption(Account.OPTION_HTTP_UPLOAD_AVAILABLE, account.getXmppConnection().getFeatures().httpUpload(0));
 295            if (loggedInSuccessfully || gainedFeature) {
 296                databaseBackend.updateAccount(account);
 297            }
 298
 299            if (loggedInSuccessfully) {
 300                if (!TextUtils.isEmpty(account.getDisplayName())) {
 301                    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": display name wasn't empty on first log in. publishing");
 302                    publishDisplayName(account);
 303                }
 304            }
 305
 306            account.getRoster().clearPresences();
 307            synchronized (account.inProgressConferenceJoins) {
 308                account.inProgressConferenceJoins.clear();
 309            }
 310            synchronized (account.inProgressConferencePings) {
 311                account.inProgressConferencePings.clear();
 312            }
 313            mJingleConnectionManager.cancelInTransmission();
 314            mQuickConversationsService.considerSyncBackground(false);
 315            fetchRosterFromServer(account);
 316
 317            final XmppConnection connection = account.getXmppConnection();
 318
 319            if (connection.getFeatures().bookmarks2()) {
 320                fetchBookmarks2(account);
 321            } else if (!account.getXmppConnection().getFeatures().bookmarksConversion()) {
 322                fetchBookmarks(account);
 323            }
 324            final boolean flexible = account.getXmppConnection().getFeatures().flexibleOfflineMessageRetrieval();
 325            final boolean catchup = getMessageArchiveService().inCatchup(account);
 326            if (flexible && catchup && account.getXmppConnection().isMamPreferenceAlways()) {
 327                sendIqPacket(account, mIqGenerator.purgeOfflineMessages(), (acc, packet) -> {
 328                    if (packet.getType() == IqPacket.TYPE.RESULT) {
 329                        Log.d(Config.LOGTAG, acc.getJid().asBareJid() + ": successfully purged offline messages");
 330                    }
 331                });
 332            }
 333            sendPresence(account);
 334            if (mPushManagementService.available(account)) {
 335                mPushManagementService.registerPushTokenOnServer(account);
 336            }
 337            connectMultiModeConversations(account);
 338            syncDirtyContacts(account);
 339        }
 340    };
 341    private AtomicLong mLastExpiryRun = new AtomicLong(0);
 342    private SecureRandom mRandom;
 343    private LruCache<Pair<String, String>, ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 344    private OnStatusChanged statusListener = new OnStatusChanged() {
 345
 346        @Override
 347        public void onStatusChanged(final Account account) {
 348            XmppConnection connection = account.getXmppConnection();
 349            updateAccountUi();
 350
 351            if (account.getStatus() == Account.State.ONLINE || account.getStatus().isError()) {
 352                mQuickConversationsService.signalAccountStateChange();
 353            }
 354
 355            if (account.getStatus() == Account.State.ONLINE) {
 356                synchronized (mLowPingTimeoutMode) {
 357                    if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 358                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 359                    }
 360                }
 361                if (account.setShowErrorNotification(true)) {
 362                    databaseBackend.updateAccount(account);
 363                }
 364                mMessageArchiveService.executePendingQueries(account);
 365                if (connection != null && connection.getFeatures().csi()) {
 366                    if (checkListeners()) {
 367                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//inactive");
 368                        connection.sendInactive();
 369                    } else {
 370                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//active");
 371                        connection.sendActive();
 372                    }
 373                }
 374                List<Conversation> conversations = getConversations();
 375                for (Conversation conversation : conversations) {
 376                    final boolean inProgressJoin;
 377                    synchronized (account.inProgressConferenceJoins) {
 378                        inProgressJoin = account.inProgressConferenceJoins.contains(conversation);
 379                    }
 380                    final boolean pendingJoin;
 381                    synchronized (account.pendingConferenceJoins) {
 382                        pendingJoin = account.pendingConferenceJoins.contains(conversation);
 383                    }
 384                    if (conversation.getAccount() == account
 385                            && !pendingJoin
 386                            && !inProgressJoin) {
 387                        sendUnsentMessages(conversation);
 388                    }
 389                }
 390                final List<Conversation> pendingLeaves;
 391                synchronized (account.pendingConferenceLeaves) {
 392                    pendingLeaves = new ArrayList<>(account.pendingConferenceLeaves);
 393                    account.pendingConferenceLeaves.clear();
 394
 395                }
 396                for (Conversation conversation : pendingLeaves) {
 397                    leaveMuc(conversation);
 398                }
 399                final List<Conversation> pendingJoins;
 400                synchronized (account.pendingConferenceJoins) {
 401                    pendingJoins = new ArrayList<>(account.pendingConferenceJoins);
 402                    account.pendingConferenceJoins.clear();
 403                }
 404                for (Conversation conversation : pendingJoins) {
 405                    joinMuc(conversation);
 406                }
 407                scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 408            } else if (account.getStatus() == Account.State.OFFLINE || account.getStatus() == Account.State.DISABLED) {
 409                resetSendingToWaiting(account);
 410                if (account.isEnabled() && isInLowPingTimeoutMode(account)) {
 411                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": went into offline state during low ping mode. reconnecting now");
 412                    reconnectAccount(account, true, false);
 413                } else {
 414                    int timeToReconnect = mRandom.nextInt(10) + 2;
 415                    scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 416                }
 417            } else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 418                databaseBackend.updateAccount(account);
 419                reconnectAccount(account, true, false);
 420            } else if (account.getStatus() != Account.State.CONNECTING && account.getStatus() != Account.State.NO_INTERNET) {
 421                resetSendingToWaiting(account);
 422                if (connection != null && account.getStatus().isAttemptReconnect()) {
 423                    final int next = connection.getTimeToNextAttempt();
 424                    final boolean lowPingTimeoutMode = isInLowPingTimeoutMode(account);
 425                    if (next <= 0) {
 426                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. reconnecting now. lowPingTimeout=" + lowPingTimeoutMode);
 427                        reconnectAccount(account, true, false);
 428                    } else {
 429                        final int attempt = connection.getAttempt() + 1;
 430                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. try again in " + next + "s for the " + attempt + " time. lowPingTimeout=" + lowPingTimeoutMode);
 431                        scheduleWakeUpCall(next, account.getUuid().hashCode());
 432                    }
 433                }
 434            }
 435            getNotificationService().updateErrorNotification();
 436        }
 437    };
 438    private OpenPgpServiceConnection pgpServiceConnection;
 439    private PgpEngine mPgpEngine = null;
 440    private WakeLock wakeLock;
 441    private PowerManager pm;
 442    private LruCache<String, Bitmap> mBitmapCache;
 443    private BroadcastReceiver mInternalEventReceiver = new InternalEventReceiver();
 444    private BroadcastReceiver mInternalScreenEventReceiver = new InternalEventReceiver();
 445
 446    private static String generateFetchKey(Account account, final Avatar avatar) {
 447        return account.getJid().asBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 448    }
 449
 450    private boolean isInLowPingTimeoutMode(Account account) {
 451        synchronized (mLowPingTimeoutMode) {
 452            return mLowPingTimeoutMode.contains(account.getJid().asBareJid());
 453        }
 454    }
 455
 456    public void startForcingForegroundNotification() {
 457        mForceForegroundService.set(true);
 458        toggleForegroundService();
 459    }
 460
 461    public void stopForcingForegroundNotification() {
 462        mForceForegroundService.set(false);
 463        toggleForegroundService();
 464    }
 465
 466    public boolean areMessagesInitialized() {
 467        return this.restoredFromDatabaseLatch.getCount() == 0;
 468    }
 469
 470    public PgpEngine getPgpEngine() {
 471        if (!Config.supportOpenPgp()) {
 472            return null;
 473        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 474            if (this.mPgpEngine == null) {
 475                this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 476                        getApplicationContext(),
 477                        pgpServiceConnection.getService()), this);
 478            }
 479            return mPgpEngine;
 480        } else {
 481            return null;
 482        }
 483
 484    }
 485
 486    public OpenPgpApi getOpenPgpApi() {
 487        if (!Config.supportOpenPgp()) {
 488            return null;
 489        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 490            return new OpenPgpApi(this, pgpServiceConnection.getService());
 491        } else {
 492            return null;
 493        }
 494    }
 495
 496    public FileBackend getFileBackend() {
 497        return this.fileBackend;
 498    }
 499
 500    public AvatarService getAvatarService() {
 501        return this.mAvatarService;
 502    }
 503
 504    public void attachLocationToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 505        int encryption = conversation.getNextEncryption();
 506        if (encryption == Message.ENCRYPTION_PGP) {
 507            encryption = Message.ENCRYPTION_DECRYPTED;
 508        }
 509        Message message = new Message(conversation, uri.toString(), encryption);
 510        Message.configurePrivateMessage(message);
 511        if (encryption == Message.ENCRYPTION_DECRYPTED) {
 512            getPgpEngine().encrypt(message, callback);
 513        } else {
 514            sendMessage(message);
 515            callback.success(message);
 516        }
 517    }
 518
 519    public void attachFileToConversation(final Conversation conversation, final Uri uri, final String type, final UiCallback<Message> callback) {
 520        final Message message;
 521        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 522            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 523        } else {
 524            message = new Message(conversation, "", conversation.getNextEncryption());
 525        }
 526        if (!Message.configurePrivateFileMessage(message)) {
 527            message.setCounterpart(conversation.getNextCounterpart());
 528            message.setType(Message.TYPE_FILE);
 529        }
 530        Log.d(Config.LOGTAG,"attachFile: type="+message.getType());
 531        Log.d(Config.LOGTAG,"counterpart="+message.getCounterpart());
 532        final AttachFileToConversationRunnable runnable = new AttachFileToConversationRunnable(this, uri, type, message, callback);
 533        if (runnable.isVideoMessage()) {
 534            mVideoCompressionExecutor.execute(runnable);
 535        } else {
 536            mFileAddingExecutor.execute(runnable);
 537        }
 538    }
 539
 540    public void attachImageToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 541        final String mimeType = MimeUtils.guessMimeTypeFromUri(this, uri);
 542        final String compressPictures = getCompressPicturesPreference();
 543
 544        if ("never".equals(compressPictures)
 545                || ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))
 546                || (mimeType != null && mimeType.endsWith("/gif"))
 547                || getFileBackend().unusualBounds(uri)) {
 548            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": not compressing picture. sending as file");
 549            attachFileToConversation(conversation, uri, mimeType, callback);
 550            return;
 551        }
 552        final Message message;
 553        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 554            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 555        } else {
 556            message = new Message(conversation, "", conversation.getNextEncryption());
 557        }
 558        if (!Message.configurePrivateFileMessage(message)) {
 559            message.setCounterpart(conversation.getNextCounterpart());
 560            message.setType(Message.TYPE_IMAGE);
 561        }
 562        Log.d(Config.LOGTAG,"attachImage: type="+message.getType());
 563        mFileAddingExecutor.execute(() -> {
 564            try {
 565                getFileBackend().copyImageToPrivateStorage(message, uri);
 566                if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 567                    final PgpEngine pgpEngine = getPgpEngine();
 568                    if (pgpEngine != null) {
 569                        pgpEngine.encrypt(message, callback);
 570                    } else if (callback != null) {
 571                        callback.error(R.string.unable_to_connect_to_keychain, null);
 572                    }
 573                } else {
 574                    sendMessage(message);
 575                    callback.success(message);
 576                }
 577            } catch (final FileBackend.FileCopyException e) {
 578                callback.error(e.getResId(), message);
 579            }
 580        });
 581    }
 582
 583    public Conversation find(Bookmark bookmark) {
 584        return find(bookmark.getAccount(), bookmark.getJid());
 585    }
 586
 587    public Conversation find(final Account account, final Jid jid) {
 588        return find(getConversations(), account, jid);
 589    }
 590
 591    public boolean isMuc(final Account account, final Jid jid) {
 592        final Conversation c = find(account, jid);
 593        return c != null && c.getMode() == Conversational.MODE_MULTI;
 594    }
 595
 596    public void search(List<String> term, OnSearchResultsAvailable onSearchResultsAvailable) {
 597        MessageSearchTask.search(this, term, onSearchResultsAvailable);
 598    }
 599
 600    @Override
 601    public int onStartCommand(Intent intent, int flags, int startId) {
 602        final String action = intent == null ? null : intent.getAction();
 603        final boolean needsForegroundService = intent != null && intent.getBooleanExtra(EventReceiver.EXTRA_NEEDS_FOREGROUND_SERVICE, false);
 604        if (needsForegroundService) {
 605            Log.d(Config.LOGTAG,"toggle forced foreground service after receiving event (action="+action+")");
 606            toggleForegroundService(true);
 607        }
 608        String pushedAccountHash = null;
 609        String pushedChannelHash = null;
 610        boolean interactive = false;
 611        if (action != null) {
 612            final String uuid = intent.getStringExtra("uuid");
 613            switch (action) {
 614                case ConnectivityManager.CONNECTIVITY_ACTION:
 615                    if (hasInternetConnection()) {
 616                        if (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0) {
 617                            schedulePostConnectivityChange();
 618                        }
 619                        if (Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 620                            resetAllAttemptCounts(true, false);
 621                        }
 622                    }
 623                    break;
 624                case Intent.ACTION_SHUTDOWN:
 625                    logoutAndSave(true);
 626                    return START_NOT_STICKY;
 627                case ACTION_CLEAR_NOTIFICATION:
 628                    mNotificationExecutor.execute(() -> {
 629                        try {
 630                            final Conversation c = findConversationByUuid(uuid);
 631                            if (c != null) {
 632                                mNotificationService.clear(c);
 633                            } else {
 634                                mNotificationService.clear();
 635                            }
 636                            restoredFromDatabaseLatch.await();
 637
 638                        } catch (InterruptedException e) {
 639                            Log.d(Config.LOGTAG, "unable to process clear notification");
 640                        }
 641                    });
 642                    break;
 643                case ACTION_DISMISS_ERROR_NOTIFICATIONS:
 644                    dismissErrorNotifications();
 645                    break;
 646                case ACTION_TRY_AGAIN:
 647                    resetAllAttemptCounts(false, true);
 648                    interactive = true;
 649                    break;
 650                case ACTION_REPLY_TO_CONVERSATION:
 651                    Bundle remoteInput = RemoteInput.getResultsFromIntent(intent);
 652                    if (remoteInput == null) {
 653                        break;
 654                    }
 655                    final CharSequence body = remoteInput.getCharSequence("text_reply");
 656                    final boolean dismissNotification = intent.getBooleanExtra("dismiss_notification", false);
 657                    if (body == null || body.length() <= 0) {
 658                        break;
 659                    }
 660                    mNotificationExecutor.execute(() -> {
 661                        try {
 662                            restoredFromDatabaseLatch.await();
 663                            final Conversation c = findConversationByUuid(uuid);
 664                            if (c != null) {
 665                                directReply(c, body.toString(), dismissNotification);
 666                            }
 667                        } catch (InterruptedException e) {
 668                            Log.d(Config.LOGTAG, "unable to process direct reply");
 669                        }
 670                    });
 671                    break;
 672                case ACTION_MARK_AS_READ:
 673                    mNotificationExecutor.execute(() -> {
 674                        final Conversation c = findConversationByUuid(uuid);
 675                        if (c == null) {
 676                            Log.d(Config.LOGTAG, "received mark read intent for unknown conversation (" + uuid + ")");
 677                            return;
 678                        }
 679                        try {
 680                            restoredFromDatabaseLatch.await();
 681                            sendReadMarker(c, null);
 682                        } catch (InterruptedException e) {
 683                            Log.d(Config.LOGTAG, "unable to process notification read marker for conversation " + c.getName());
 684                        }
 685
 686                    });
 687                    break;
 688                case ACTION_SNOOZE:
 689                    mNotificationExecutor.execute(() -> {
 690                        final Conversation c = findConversationByUuid(uuid);
 691                        if (c == null) {
 692                            Log.d(Config.LOGTAG, "received snooze intent for unknown conversation (" + uuid + ")");
 693                            return;
 694                        }
 695                        c.setMutedTill(System.currentTimeMillis() + 30 * 60 * 1000);
 696                        mNotificationService.clear(c);
 697                        updateConversation(c);
 698                    });
 699                case AudioManager.RINGER_MODE_CHANGED_ACTION:
 700                case NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED:
 701                    if (dndOnSilentMode()) {
 702                        refreshAllPresences();
 703                    }
 704                    break;
 705                case Intent.ACTION_SCREEN_ON:
 706                    deactivateGracePeriod();
 707                case Intent.ACTION_SCREEN_OFF:
 708                    if (awayWhenScreenOff()) {
 709                        refreshAllPresences();
 710                    }
 711                    break;
 712                case ACTION_FCM_TOKEN_REFRESH:
 713                    refreshAllFcmTokens();
 714                    break;
 715                case ACTION_IDLE_PING:
 716                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 717                        scheduleNextIdlePing();
 718                    }
 719                    break;
 720                case ACTION_FCM_MESSAGE_RECEIVED:
 721                    pushedAccountHash = intent.getStringExtra("account");
 722                    pushedChannelHash = intent.getStringExtra("channel");
 723                    Log.d(Config.LOGTAG, "push message arrived in service. account=" + pushedAccountHash);
 724                    break;
 725                case Intent.ACTION_SEND:
 726                    Uri uri = intent.getData();
 727                    if (uri != null) {
 728                        Log.d(Config.LOGTAG, "received uri permission for " + uri.toString());
 729                    }
 730                    return START_STICKY;
 731            }
 732        }
 733        synchronized (this) {
 734            WakeLockHelper.acquire(wakeLock);
 735            boolean pingNow = ConnectivityManager.CONNECTIVITY_ACTION.equals(action) || (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0 && ACTION_POST_CONNECTIVITY_CHANGE.equals(action));
 736            final HashSet<Account> pingCandidates = new HashSet<>();
 737            final String androidId = PhoneHelper.getAndroidId(this);
 738            for (Account account : accounts) {
 739                final boolean pushWasMeantForThisAccount = CryptoHelper.getAccountFingerprint(account, androidId).equals(pushedAccountHash);
 740                pingNow |= processAccountState(account,
 741                        interactive,
 742                        "ui".equals(action),
 743                        pushWasMeantForThisAccount,
 744                        pingCandidates);
 745                if (pushWasMeantForThisAccount && pushedChannelHash != null) {
 746                    checkMucStillJoined(account, pushedAccountHash, androidId);
 747                }
 748            }
 749            if (pingNow) {
 750                for (Account account : pingCandidates) {
 751                    final boolean lowTimeout = isInLowPingTimeoutMode(account);
 752                    account.getXmppConnection().sendPing();
 753                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + " send ping (action=" + action + ",lowTimeout=" + Boolean.toString(lowTimeout) + ")");
 754                    scheduleWakeUpCall(lowTimeout ? Config.LOW_PING_TIMEOUT : Config.PING_TIMEOUT, account.getUuid().hashCode());
 755                }
 756            }
 757            WakeLockHelper.release(wakeLock);
 758        }
 759        if (SystemClock.elapsedRealtime() - mLastExpiryRun.get() >= Config.EXPIRY_INTERVAL) {
 760            expireOldMessages();
 761        }
 762        return START_STICKY;
 763    }
 764
 765    private boolean processAccountState(Account account, boolean interactive, boolean isUiAction, boolean isAccountPushed, HashSet<Account> pingCandidates) {
 766        boolean pingNow = false;
 767        if (account.getStatus().isAttemptReconnect()) {
 768            if (!hasInternetConnection()) {
 769                account.setStatus(Account.State.NO_INTERNET);
 770                if (statusListener != null) {
 771                    statusListener.onStatusChanged(account);
 772                }
 773            } else {
 774                if (account.getStatus() == Account.State.NO_INTERNET) {
 775                    account.setStatus(Account.State.OFFLINE);
 776                    if (statusListener != null) {
 777                        statusListener.onStatusChanged(account);
 778                    }
 779                }
 780                if (account.getStatus() == Account.State.ONLINE) {
 781                    synchronized (mLowPingTimeoutMode) {
 782                        long lastReceived = account.getXmppConnection().getLastPacketReceived();
 783                        long lastSent = account.getXmppConnection().getLastPingSent();
 784                        long pingInterval = isUiAction ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 785                        long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 786                        int pingTimeout = mLowPingTimeoutMode.contains(account.getJid().asBareJid()) ? Config.LOW_PING_TIMEOUT * 1000 : Config.PING_TIMEOUT * 1000;
 787                        long pingTimeoutIn = (lastSent + pingTimeout) - SystemClock.elapsedRealtime();
 788                        if (lastSent > lastReceived) {
 789                            if (pingTimeoutIn < 0) {
 790                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ping timeout");
 791                                this.reconnectAccount(account, true, interactive);
 792                            } else {
 793                                int secs = (int) (pingTimeoutIn / 1000);
 794                                this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
 795                            }
 796                        } else {
 797                            pingCandidates.add(account);
 798                            if (isAccountPushed) {
 799                                pingNow = true;
 800                                if (mLowPingTimeoutMode.add(account.getJid().asBareJid())) {
 801                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": entering low ping timeout mode");
 802                                }
 803                            } else if (msToNextPing <= 0) {
 804                                pingNow = true;
 805                            } else {
 806                                this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 807                                if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 808                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 809                                }
 810                            }
 811                        }
 812                    }
 813                } else if (account.getStatus() == Account.State.OFFLINE) {
 814                    reconnectAccount(account, true, interactive);
 815                } else if (account.getStatus() == Account.State.CONNECTING) {
 816                    long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
 817                    long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
 818                    long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
 819                    long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
 820                    if (timeout < 0) {
 821                        Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting (secondsSinceLast=" + secondsSinceLastConnect + ")");
 822                        account.getXmppConnection().resetAttemptCount(false);
 823                        reconnectAccount(account, true, interactive);
 824                    } else if (discoTimeout < 0) {
 825                        account.getXmppConnection().sendDiscoTimeout();
 826                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 827                    } else {
 828                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 829                    }
 830                } else {
 831                    if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 832                        reconnectAccount(account, true, interactive);
 833                    }
 834                }
 835            }
 836        }
 837        return pingNow;
 838    }
 839
 840    private void checkMucStillJoined(final Account account, final String hash, final String androidId) {
 841        for(final Conversation conversation : this.conversations) {
 842            if (conversation.getAccount() == account && conversation.getMode() == Conversational.MODE_MULTI) {
 843                Jid jid = conversation.getJid().asBareJid();
 844                final String currentHash = CryptoHelper.getFingerprint(jid, androidId);
 845                if (currentHash.equals(hash)) {
 846                    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": received cloud push notification for MUC "+jid);
 847                    return;
 848                }
 849            }
 850        }
 851        mPushManagementService.unregisterChannel(account, hash);
 852    }
 853
 854    public void reinitializeMuclumbusService() {
 855        mChannelDiscoveryService.initializeMuclumbusService();
 856    }
 857
 858    public void discoverChannels(String query, ChannelDiscoveryService.OnChannelSearchResultsFound onChannelSearchResultsFound) {
 859        mChannelDiscoveryService.discover(query, onChannelSearchResultsFound);
 860    }
 861
 862    public boolean isDataSaverDisabled() {
 863        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 864            ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
 865            return !connectivityManager.isActiveNetworkMetered()
 866                    || connectivityManager.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
 867        } else {
 868            return true;
 869        }
 870    }
 871
 872    private void directReply(Conversation conversation, String body, final boolean dismissAfterReply) {
 873        Message message = new Message(conversation, body, conversation.getNextEncryption());
 874        message.markUnread();
 875        if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 876            getPgpEngine().encrypt(message, new UiCallback<Message>() {
 877                @Override
 878                public void success(Message message) {
 879                    if (dismissAfterReply) {
 880                        markRead((Conversation) message.getConversation(), true);
 881                    } else {
 882                        mNotificationService.pushFromDirectReply(message);
 883                    }
 884                }
 885
 886                @Override
 887                public void error(int errorCode, Message object) {
 888
 889                }
 890
 891                @Override
 892                public void userInputRequired(PendingIntent pi, Message object) {
 893
 894                }
 895            });
 896        } else {
 897            sendMessage(message);
 898            if (dismissAfterReply) {
 899                markRead(conversation, true);
 900            } else {
 901                mNotificationService.pushFromDirectReply(message);
 902            }
 903        }
 904    }
 905
 906    private boolean dndOnSilentMode() {
 907        return getBooleanPreference(SettingsActivity.DND_ON_SILENT_MODE, R.bool.dnd_on_silent_mode);
 908    }
 909
 910    private boolean manuallyChangePresence() {
 911        return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
 912    }
 913
 914    private boolean treatVibrateAsSilent() {
 915        return getBooleanPreference(SettingsActivity.TREAT_VIBRATE_AS_SILENT, R.bool.treat_vibrate_as_silent);
 916    }
 917
 918    private boolean awayWhenScreenOff() {
 919        return getBooleanPreference(SettingsActivity.AWAY_WHEN_SCREEN_IS_OFF, R.bool.away_when_screen_off);
 920    }
 921
 922    private String getCompressPicturesPreference() {
 923        return getPreferences().getString("picture_compression", getResources().getString(R.string.picture_compression));
 924    }
 925
 926    private Presence.Status getTargetPresence() {
 927        if (dndOnSilentMode() && isPhoneSilenced()) {
 928            return Presence.Status.DND;
 929        } else if (awayWhenScreenOff() && !isInteractive()) {
 930            return Presence.Status.AWAY;
 931        } else {
 932            return Presence.Status.ONLINE;
 933        }
 934    }
 935
 936    @SuppressLint("NewApi")
 937    @SuppressWarnings("deprecation")
 938    public boolean isInteractive() {
 939        try {
 940            final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 941
 942            final boolean isScreenOn;
 943            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
 944                isScreenOn = pm.isScreenOn();
 945            } else {
 946                isScreenOn = pm.isInteractive();
 947            }
 948            return isScreenOn;
 949        } catch (RuntimeException e) {
 950            return false;
 951        }
 952    }
 953
 954    private boolean isPhoneSilenced() {
 955        final boolean notificationDnd;
 956        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 957            final NotificationManager notificationManager = getSystemService(NotificationManager.class);
 958            final int filter = notificationManager == null ? NotificationManager.INTERRUPTION_FILTER_UNKNOWN : notificationManager.getCurrentInterruptionFilter();
 959            notificationDnd = filter >= NotificationManager.INTERRUPTION_FILTER_PRIORITY;
 960        } else {
 961            notificationDnd = false;
 962        }
 963        final AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
 964        final int ringerMode = audioManager == null ? AudioManager.RINGER_MODE_NORMAL : audioManager.getRingerMode();
 965        try {
 966            if (treatVibrateAsSilent()) {
 967                return notificationDnd || ringerMode != AudioManager.RINGER_MODE_NORMAL;
 968            } else {
 969                return notificationDnd || ringerMode == AudioManager.RINGER_MODE_SILENT;
 970            }
 971        } catch (Throwable throwable) {
 972            Log.d(Config.LOGTAG, "platform bug in isPhoneSilenced (" + throwable.getMessage() + ")");
 973            return notificationDnd;
 974        }
 975    }
 976
 977    private void resetAllAttemptCounts(boolean reallyAll, boolean retryImmediately) {
 978        Log.d(Config.LOGTAG, "resetting all attempt counts");
 979        for (Account account : accounts) {
 980            if (account.hasErrorStatus() || reallyAll) {
 981                final XmppConnection connection = account.getXmppConnection();
 982                if (connection != null) {
 983                    connection.resetAttemptCount(retryImmediately);
 984                }
 985            }
 986            if (account.setShowErrorNotification(true)) {
 987                mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
 988            }
 989        }
 990        mNotificationService.updateErrorNotification();
 991    }
 992
 993    private void dismissErrorNotifications() {
 994        for (final Account account : this.accounts) {
 995            if (account.hasErrorStatus()) {
 996                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": dismissing error notification");
 997                if (account.setShowErrorNotification(false)) {
 998                    mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
 999                }
1000            }
1001        }
1002    }
1003
1004    private void expireOldMessages() {
1005        expireOldMessages(false);
1006    }
1007
1008    public void expireOldMessages(final boolean resetHasMessagesLeftOnServer) {
1009        mLastExpiryRun.set(SystemClock.elapsedRealtime());
1010        mDatabaseWriterExecutor.execute(() -> {
1011            long timestamp = getAutomaticMessageDeletionDate();
1012            if (timestamp > 0) {
1013                databaseBackend.expireOldMessages(timestamp);
1014                synchronized (XmppConnectionService.this.conversations) {
1015                    for (Conversation conversation : XmppConnectionService.this.conversations) {
1016                        conversation.expireOldMessages(timestamp);
1017                        if (resetHasMessagesLeftOnServer) {
1018                            conversation.messagesLoaded.set(true);
1019                            conversation.setHasMessagesLeftOnServer(true);
1020                        }
1021                    }
1022                }
1023                updateConversationUi();
1024            }
1025        });
1026    }
1027
1028    public boolean hasInternetConnection() {
1029        final ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
1030        try {
1031            final NetworkInfo activeNetwork = cm == null ? null : cm.getActiveNetworkInfo();
1032            return activeNetwork != null && (activeNetwork.isConnected() || activeNetwork.getType() == ConnectivityManager.TYPE_ETHERNET);
1033        } catch (RuntimeException e) {
1034            Log.d(Config.LOGTAG, "unable to check for internet connection", e);
1035            return true; //if internet connection can not be checked it is probably best to just try
1036        }
1037    }
1038
1039    @SuppressLint("TrulyRandom")
1040    @Override
1041    public void onCreate() {
1042        if (Compatibility.runsTwentySix()) {
1043            mNotificationService.initializeChannels();
1044        }
1045        mChannelDiscoveryService.initializeMuclumbusService();
1046        mForceDuringOnCreate.set(Compatibility.runsAndTargetsTwentySix(this));
1047        toggleForegroundService();
1048        this.destroyed = false;
1049        OmemoSetting.load(this);
1050        ExceptionHelper.init(getApplicationContext());
1051        try {
1052            Security.insertProviderAt(Conscrypt.newProvider(), 1);
1053        } catch (Throwable throwable) {
1054            Log.e(Config.LOGTAG,"unable to initialize security provider", throwable);
1055        }
1056        Resolver.init(this);
1057        this.mRandom = new SecureRandom();
1058        updateMemorizingTrustmanager();
1059        final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
1060        final int cacheSize = maxMemory / 8;
1061        this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
1062            @Override
1063            protected int sizeOf(final String key, final Bitmap bitmap) {
1064                return bitmap.getByteCount() / 1024;
1065            }
1066        };
1067        if (mLastActivity == 0) {
1068            mLastActivity = getPreferences().getLong(SETTING_LAST_ACTIVITY_TS, System.currentTimeMillis());
1069        }
1070
1071        Log.d(Config.LOGTAG, "initializing database...");
1072        this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
1073        Log.d(Config.LOGTAG, "restoring accounts...");
1074        this.accounts = databaseBackend.getAccounts();
1075        final SharedPreferences.Editor editor = getPreferences().edit();
1076        if (this.accounts.size() == 0 && Arrays.asList("Sony", "Sony Ericsson").contains(Build.MANUFACTURER)) {
1077            editor.putBoolean(SettingsActivity.KEEP_FOREGROUND_SERVICE, true);
1078            Log.d(Config.LOGTAG, Build.MANUFACTURER + " is on blacklist. enabling foreground service");
1079        }
1080        final boolean hasEnabledAccounts = hasEnabledAccounts();
1081        editor.putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
1082        editor.apply();
1083        toggleSetProfilePictureActivity(hasEnabledAccounts);
1084
1085        restoreFromDatabase();
1086
1087        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || ContextCompat.checkSelfPermission(this, Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
1088            startContactObserver();
1089        }
1090        if (Compatibility.hasStoragePermission(this)) {
1091            Log.d(Config.LOGTAG, "starting file observer");
1092            mFileAddingExecutor.execute(this.fileObserver::startWatching);
1093            mFileAddingExecutor.execute(this::checkForDeletedFiles);
1094        }
1095        if (Config.supportOpenPgp()) {
1096            this.pgpServiceConnection = new OpenPgpServiceConnection(this, "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
1097                @Override
1098                public void onBound(IOpenPgpService2 service) {
1099                    for (Account account : accounts) {
1100                        final PgpDecryptionService pgp = account.getPgpDecryptionService();
1101                        if (pgp != null) {
1102                            pgp.continueDecryption(true);
1103                        }
1104                    }
1105                }
1106
1107                @Override
1108                public void onError(Exception e) {
1109                }
1110            });
1111            this.pgpServiceConnection.bindToService();
1112        }
1113
1114        this.pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
1115        this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Conversations:Service");
1116
1117        toggleForegroundService();
1118        updateUnreadCountBadge();
1119        toggleScreenEventReceiver();
1120        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1121            scheduleNextIdlePing();
1122            IntentFilter intentFilter = new IntentFilter();
1123            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1124                intentFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
1125            }
1126            intentFilter.addAction(NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED);
1127            registerReceiver(this.mInternalEventReceiver, intentFilter);
1128        }
1129        mForceDuringOnCreate.set(false);
1130        toggleForegroundService();
1131    }
1132
1133    private void checkForDeletedFiles() {
1134        if (destroyed) {
1135            Log.d(Config.LOGTAG, "Do not check for deleted files because service has been destroyed");
1136            return;
1137        }
1138        final long start = SystemClock.elapsedRealtime();
1139        final List<DatabaseBackend.FilePathInfo> relativeFilePaths = databaseBackend.getFilePathInfo();
1140        final List<DatabaseBackend.FilePathInfo> changed = new ArrayList<>();
1141        for(final DatabaseBackend.FilePathInfo filePath : relativeFilePaths) {
1142            if (destroyed) {
1143                Log.d(Config.LOGTAG, "Stop checking for deleted files because service has been destroyed");
1144                return;
1145            }
1146            final File file = fileBackend.getFileForPath(filePath.path);
1147            if (filePath.setDeleted(!file.exists())) {
1148                changed.add(filePath);
1149            }
1150        }
1151        final long duration = SystemClock.elapsedRealtime() - start;
1152        Log.d(Config.LOGTAG,"found "+changed.size()+" changed files on start up. total="+relativeFilePaths.size()+". ("+duration+"ms)");
1153        if (changed.size() > 0) {
1154            databaseBackend.markFilesAsChanged(changed);
1155            markChangedFiles(changed);
1156        }
1157    }
1158
1159    public void startContactObserver() {
1160        getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, new ContentObserver(null) {
1161            @Override
1162            public void onChange(boolean selfChange) {
1163                super.onChange(selfChange);
1164                if (restoredFromDatabaseLatch.getCount() == 0) {
1165                    loadPhoneContacts();
1166                }
1167            }
1168        });
1169    }
1170
1171    @Override
1172    public void onTrimMemory(int level) {
1173        super.onTrimMemory(level);
1174        if (level >= TRIM_MEMORY_COMPLETE) {
1175            Log.d(Config.LOGTAG, "clear cache due to low memory");
1176            getBitmapCache().evictAll();
1177        }
1178    }
1179
1180    @Override
1181    public void onDestroy() {
1182        try {
1183            unregisterReceiver(this.mInternalEventReceiver);
1184        } catch (IllegalArgumentException e) {
1185            //ignored
1186        }
1187        destroyed = false;
1188        fileObserver.stopWatching();
1189        super.onDestroy();
1190    }
1191
1192    public void restartFileObserver() {
1193        Log.d(Config.LOGTAG, "restarting file observer");
1194        mFileAddingExecutor.execute(this.fileObserver::restartWatching);
1195        mFileAddingExecutor.execute(this::checkForDeletedFiles);
1196    }
1197
1198    public void toggleScreenEventReceiver() {
1199        if (awayWhenScreenOff() && !manuallyChangePresence()) {
1200            final IntentFilter filter = new IntentFilter();
1201            filter.addAction(Intent.ACTION_SCREEN_ON);
1202            filter.addAction(Intent.ACTION_SCREEN_OFF);
1203            registerReceiver(this.mInternalScreenEventReceiver, filter);
1204        } else {
1205            try {
1206                unregisterReceiver(this.mInternalScreenEventReceiver);
1207            } catch (IllegalArgumentException e) {
1208                //ignored
1209            }
1210        }
1211    }
1212
1213    public void toggleForegroundService() {
1214        toggleForegroundService(false);
1215    }
1216
1217    private void toggleForegroundService(boolean force) {
1218        final boolean status;
1219        if (force || mForceDuringOnCreate.get() || mForceForegroundService.get() || (Compatibility.keepForegroundService(this) && hasEnabledAccounts())) {
1220            final Notification notification = this.mNotificationService.createForegroundNotification();
1221            startForeground(NotificationService.FOREGROUND_NOTIFICATION_ID, notification);
1222            if (!mForceForegroundService.get()) {
1223                mNotificationService.notify(NotificationService.FOREGROUND_NOTIFICATION_ID, notification);
1224            }
1225            status = true;
1226        } else {
1227            stopForeground(true);
1228            status = false;
1229        }
1230        if (!mForceForegroundService.get()) {
1231            mNotificationService.dismissForcedForegroundNotification(); //if the channel was changed the previous call might fail
1232        }
1233        Log.d(Config.LOGTAG,"ForegroundService: "+(status?"on":"off"));
1234    }
1235
1236    public boolean foregroundNotificationNeedsUpdatingWhenErrorStateChanges() {
1237        return !mForceForegroundService.get() && Compatibility.keepForegroundService(this) && hasEnabledAccounts();
1238    }
1239
1240    @Override
1241    public void onTaskRemoved(final Intent rootIntent) {
1242        super.onTaskRemoved(rootIntent);
1243        if ((Compatibility.keepForegroundService(this) && hasEnabledAccounts()) || mForceForegroundService.get()) {
1244            Log.d(Config.LOGTAG, "ignoring onTaskRemoved because foreground service is activated");
1245        } else {
1246            this.logoutAndSave(false);
1247        }
1248    }
1249
1250    private void logoutAndSave(boolean stop) {
1251        int activeAccounts = 0;
1252        for (final Account account : accounts) {
1253            if (account.getStatus() != Account.State.DISABLED) {
1254                databaseBackend.writeRoster(account.getRoster());
1255                activeAccounts++;
1256            }
1257            if (account.getXmppConnection() != null) {
1258                new Thread(() -> disconnect(account, false)).start();
1259            }
1260        }
1261        if (stop || activeAccounts == 0) {
1262            Log.d(Config.LOGTAG, "good bye");
1263            stopSelf();
1264        }
1265    }
1266
1267    private void schedulePostConnectivityChange() {
1268        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1269        if (alarmManager == null) {
1270            return;
1271        }
1272        final long triggerAtMillis = SystemClock.elapsedRealtime() + (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL * 1000);
1273        final Intent intent = new Intent(this, EventReceiver.class);
1274        intent.setAction(ACTION_POST_CONNECTIVITY_CHANGE);
1275        try {
1276            final PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 1, intent, 0);
1277            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1278                alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1279            } else {
1280                alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1281            }
1282        } catch (RuntimeException e) {
1283            Log.e(Config.LOGTAG, "unable to schedule alarm for post connectivity change", e);
1284        }
1285    }
1286
1287    public void scheduleWakeUpCall(int seconds, int requestCode) {
1288        final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000;
1289        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1290        if (alarmManager == null) {
1291            return;
1292        }
1293        final Intent intent = new Intent(this, EventReceiver.class);
1294        intent.setAction("ping");
1295        try {
1296            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, requestCode, intent, 0);
1297            alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1298        } catch (RuntimeException e) {
1299            Log.e(Config.LOGTAG, "unable to schedule alarm for ping", e);
1300        }
1301    }
1302
1303    @TargetApi(Build.VERSION_CODES.M)
1304    private void scheduleNextIdlePing() {
1305        final long timeToWake = SystemClock.elapsedRealtime() + (Config.IDLE_PING_INTERVAL * 1000);
1306        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1307        if (alarmManager == null) {
1308            return;
1309        }
1310        final Intent intent = new Intent(this, EventReceiver.class);
1311        intent.setAction(ACTION_IDLE_PING);
1312        try {
1313            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
1314            alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1315        } catch (RuntimeException e) {
1316            Log.d(Config.LOGTAG, "unable to schedule alarm for idle ping", e);
1317        }
1318    }
1319
1320    public XmppConnection createConnection(final Account account) {
1321        final XmppConnection connection = new XmppConnection(account, this);
1322        connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1323        connection.setOnStatusChangedListener(this.statusListener);
1324        connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1325        connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1326        connection.setOnJinglePacketReceivedListener(this.jingleListener);
1327        connection.setOnBindListener(this.mOnBindListener);
1328        connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1329        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1330        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1331        AxolotlService axolotlService = account.getAxolotlService();
1332        if (axolotlService != null) {
1333            connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1334        }
1335        return connection;
1336    }
1337
1338    public void sendChatState(Conversation conversation) {
1339        if (sendChatStates()) {
1340            MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1341            sendMessagePacket(conversation.getAccount(), packet);
1342        }
1343    }
1344
1345    private void sendFileMessage(final Message message, final boolean delay) {
1346        Log.d(Config.LOGTAG, "send file message");
1347        final Account account = message.getConversation().getAccount();
1348        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1349                || message.getConversation().getMode() == Conversation.MODE_MULTI) {
1350            mHttpConnectionManager.createNewUploadConnection(message, delay);
1351        } else {
1352            mJingleConnectionManager.createNewConnection(message);
1353        }
1354    }
1355
1356    public void sendMessage(final Message message) {
1357        sendMessage(message, false, false);
1358    }
1359
1360    private void sendMessage(final Message message, final boolean resend, final boolean delay) {
1361        final Account account = message.getConversation().getAccount();
1362        if (account.setShowErrorNotification(true)) {
1363            databaseBackend.updateAccount(account);
1364            mNotificationService.updateErrorNotification();
1365        }
1366        final Conversation conversation = (Conversation) message.getConversation();
1367        account.deactivateGracePeriod();
1368
1369
1370        if (QuickConversationsService.isQuicksy() && conversation.getMode() == Conversation.MODE_SINGLE) {
1371            final Contact contact = conversation.getContact();
1372            if (!contact.showInRoster() && contact.getOption(Contact.Options.SYNCED_VIA_OTHER)) {
1373                Log.d(Config.LOGTAG,account.getJid().asBareJid()+": adding "+contact.getJid()+" on sending message");
1374                createContact(contact, true);
1375            }
1376        }
1377
1378        MessagePacket packet = null;
1379        final boolean addToConversation = (conversation.getMode() != Conversation.MODE_MULTI
1380                || !Patches.BAD_MUC_REFLECTION.contains(account.getServerIdentity()))
1381                && !message.edited();
1382        boolean saveInDb = addToConversation;
1383        message.setStatus(Message.STATUS_WAITING);
1384
1385        if (message.getEncryption() != Message.ENCRYPTION_NONE && conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous()) {
1386            if (conversation.setAttribute(Conversation.ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS, true)) {
1387                databaseBackend.updateConversation(conversation);
1388            }
1389        }
1390
1391        final boolean inProgressJoin = isJoinInProgress(conversation);
1392
1393
1394        if (account.isOnlineAndConnected() && !inProgressJoin) {
1395            switch (message.getEncryption()) {
1396                case Message.ENCRYPTION_NONE:
1397                    if (message.needsUploading()) {
1398                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1399                                || conversation.getMode() == Conversation.MODE_MULTI
1400                                || message.fixCounterpart()) {
1401                            this.sendFileMessage(message, delay);
1402                        } else {
1403                            break;
1404                        }
1405                    } else {
1406                        packet = mMessageGenerator.generateChat(message);
1407                    }
1408                    break;
1409                case Message.ENCRYPTION_PGP:
1410                case Message.ENCRYPTION_DECRYPTED:
1411                    if (message.needsUploading()) {
1412                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1413                                || conversation.getMode() == Conversation.MODE_MULTI
1414                                || message.fixCounterpart()) {
1415                            this.sendFileMessage(message, delay);
1416                        } else {
1417                            break;
1418                        }
1419                    } else {
1420                        packet = mMessageGenerator.generatePgpChat(message);
1421                    }
1422                    break;
1423                case Message.ENCRYPTION_AXOLOTL:
1424                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1425                    if (message.needsUploading()) {
1426                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1427                                || conversation.getMode() == Conversation.MODE_MULTI
1428                                || message.fixCounterpart()) {
1429                            this.sendFileMessage(message, delay);
1430                        } else {
1431                            break;
1432                        }
1433                    } else {
1434                        XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1435                        if (axolotlMessage == null) {
1436                            account.getAxolotlService().preparePayloadMessage(message, delay);
1437                        } else {
1438                            packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1439                        }
1440                    }
1441                    break;
1442
1443            }
1444            if (packet != null) {
1445                if (account.getXmppConnection().getFeatures().sm()
1446                        || (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1447                    message.setStatus(Message.STATUS_UNSEND);
1448                } else {
1449                    message.setStatus(Message.STATUS_SEND);
1450                }
1451            }
1452        } else {
1453            switch (message.getEncryption()) {
1454                case Message.ENCRYPTION_DECRYPTED:
1455                    if (!message.needsUploading()) {
1456                        String pgpBody = message.getEncryptedBody();
1457                        String decryptedBody = message.getBody();
1458                        message.setBody(pgpBody); //TODO might throw NPE
1459                        message.setEncryption(Message.ENCRYPTION_PGP);
1460                        if (message.edited()) {
1461                            message.setBody(decryptedBody);
1462                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1463                            if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1464                                Log.e(Config.LOGTAG,"error updated message in DB after edit");
1465                            }
1466                            updateConversationUi();
1467                            return;
1468                        } else {
1469                            databaseBackend.createMessage(message);
1470                            saveInDb = false;
1471                            message.setBody(decryptedBody);
1472                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1473                        }
1474                    }
1475                    break;
1476                case Message.ENCRYPTION_AXOLOTL:
1477                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1478                    break;
1479            }
1480        }
1481
1482
1483        boolean mucMessage = conversation.getMode() == Conversation.MODE_MULTI && !message.isPrivateMessage();
1484        if (mucMessage) {
1485            message.setCounterpart(conversation.getMucOptions().getSelf().getFullJid());
1486        }
1487
1488        if (resend) {
1489            if (packet != null && addToConversation) {
1490                if (account.getXmppConnection().getFeatures().sm() || mucMessage) {
1491                    markMessage(message, Message.STATUS_UNSEND);
1492                } else {
1493                    markMessage(message, Message.STATUS_SEND);
1494                }
1495            }
1496        } else {
1497            if (addToConversation) {
1498                conversation.add(message);
1499            }
1500            if (saveInDb) {
1501                databaseBackend.createMessage(message);
1502            } else if (message.edited()) {
1503                if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1504                    Log.e(Config.LOGTAG,"error updated message in DB after edit");
1505                }
1506            }
1507            updateConversationUi();
1508        }
1509        if (packet != null) {
1510            if (delay) {
1511                mMessageGenerator.addDelay(packet, message.getTimeSent());
1512            }
1513            if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
1514                if (this.sendChatStates()) {
1515                    packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1516                }
1517            }
1518            sendMessagePacket(account, packet);
1519        }
1520    }
1521
1522    private boolean isJoinInProgress(final Conversation conversation) {
1523        final Account account = conversation.getAccount();
1524        synchronized (account.inProgressConferenceJoins) {
1525            if (conversation.getMode() == Conversational.MODE_MULTI) {
1526                final boolean inProgress = account.inProgressConferenceJoins.contains(conversation);
1527                final boolean pending = account.pendingConferenceJoins.contains(conversation);
1528                final boolean inProgressJoin = inProgress || pending;
1529                if (inProgressJoin) {
1530                    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": holding back message to group. inProgress="+inProgress+", pending="+pending);
1531                }
1532                return inProgressJoin;
1533            } else {
1534                return false;
1535            }
1536        }
1537    }
1538
1539    private void sendUnsentMessages(final Conversation conversation) {
1540        conversation.findWaitingMessages(message -> resendMessage(message, true));
1541    }
1542
1543    public void resendMessage(final Message message, final boolean delay) {
1544        sendMessage(message, true, delay);
1545    }
1546
1547    public void fetchRosterFromServer(final Account account) {
1548        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1549        if (!"".equals(account.getRosterVersion())) {
1550            Log.d(Config.LOGTAG, account.getJid().asBareJid()
1551                    + ": fetching roster version " + account.getRosterVersion());
1552        } else {
1553            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching roster");
1554        }
1555        iqPacket.query(Namespace.ROSTER).setAttribute("ver", account.getRosterVersion());
1556        sendIqPacket(account, iqPacket, mIqParser);
1557    }
1558
1559    public void fetchBookmarks(final Account account) {
1560        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1561        final Element query = iqPacket.query("jabber:iq:private");
1562        query.addChild("storage", Namespace.BOOKMARKS);
1563        final OnIqPacketReceived callback = (a, response) -> {
1564            if (response.getType() == IqPacket.TYPE.RESULT) {
1565                final Element query1 = response.query();
1566                final Element storage = query1.findChild("storage", "storage:bookmarks");
1567                Map<Jid, Bookmark> bookmarks = Bookmark.parseFromStorage(storage, account);
1568                processBookmarksInitial(a, bookmarks, false);
1569            } else {
1570                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": could not fetch bookmarks");
1571            }
1572        };
1573        sendIqPacket(account, iqPacket, callback);
1574    }
1575
1576    public void fetchBookmarks2(final Account account) {
1577        final IqPacket retrieve = mIqGenerator.retrieveBookmarks();
1578        sendIqPacket(account, retrieve, new OnIqPacketReceived() {
1579            @Override
1580            public void onIqPacketReceived(final Account account, final IqPacket response) {
1581                if (response.getType() == IqPacket.TYPE.RESULT) {
1582                    final Element pubsub = response.findChild("pubsub", Namespace.PUBSUB);
1583                    final Map<Jid, Bookmark> bookmarks = Bookmark.parseFromPubsub(pubsub, account);
1584                    processBookmarksInitial(account, bookmarks, true);
1585                }
1586            }
1587        });
1588    }
1589
1590    public void processBookmarksInitial(Account account, Map<Jid,Bookmark> bookmarks, final boolean pep) {
1591        final Set<Jid> previousBookmarks = account.getBookmarkedJids();
1592        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1593        for (Bookmark bookmark : bookmarks.values()) {
1594            previousBookmarks.remove(bookmark.getJid().asBareJid());
1595            Conversation conversation = find(bookmark);
1596            if (conversation != null) {
1597                if (conversation.getMode() != Conversation.MODE_MULTI) {
1598                    continue;
1599                }
1600                bookmark.setConversation(conversation);
1601                if (pep && synchronizeWithBookmarks && !bookmark.autojoin()) {
1602                    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": archiving conference ("+conversation.getJid()+") after receiving pep");
1603                    archiveConversation(conversation, false);
1604                }
1605            } else if (synchronizeWithBookmarks && bookmark.autojoin()) {
1606                conversation = findOrCreateConversation(account, bookmark.getFullJid(), true, true, false);
1607                bookmark.setConversation(conversation);
1608            }
1609        }
1610        if (pep && synchronizeWithBookmarks) {
1611            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": " + previousBookmarks.size() + " bookmarks have been removed");
1612            for (Jid jid : previousBookmarks) {
1613                final Conversation conversation = find(account, jid);
1614                if (conversation != null && conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
1615                    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": archiving destroyed conference ("+conversation.getJid()+") after receiving pep");
1616                    archiveConversation(conversation, false);
1617                }
1618            }
1619        }
1620        account.setBookmarks(bookmarks);
1621    }
1622
1623    public void createBookmark(final Account account, final Bookmark bookmark) {
1624        account.putBookmark(bookmark);
1625        final XmppConnection connection = account.getXmppConnection();
1626        if (connection.getFeatures().bookmarks2()) {
1627            final Element item = mIqGenerator.publishBookmarkItem(bookmark);
1628            pushNodeAndEnforcePublishOptions(account, Namespace.BOOKMARK, item, bookmark.getJid().asBareJid().toEscapedString(), PublishOptions.persistentWhitelistAccessMaxItems());
1629        } else if (connection.getFeatures().bookmarksConversion()) {
1630            pushBookmarksPep(account);
1631        } else {
1632            pushBookmarksPrivateXml(account);
1633        }
1634    }
1635
1636    public void deleteBookmark(final Account account, final Bookmark bookmark) {
1637        account.removeBookmark(bookmark);
1638        final XmppConnection connection = account.getXmppConnection();
1639        if (connection.getFeatures().bookmarksConversion()) {
1640            IqPacket request = mIqGenerator.deleteItem(Namespace.BOOKMARK, bookmark.getJid().asBareJid().toEscapedString());
1641            sendIqPacket(account, request, new OnIqPacketReceived() {
1642                @Override
1643                public void onIqPacketReceived(Account account, IqPacket packet) {
1644                    Log.d(Config.LOGTAG,packet.toString());
1645                }
1646            });
1647        } else if (connection.getFeatures().bookmarksConversion()) {
1648            pushBookmarksPep(account);
1649        } else {
1650            pushBookmarksPrivateXml(account);
1651        }
1652    }
1653
1654    private void pushBookmarksPrivateXml(Account account) {
1655        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via private xml");
1656        IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1657        Element query = iqPacket.query("jabber:iq:private");
1658        Element storage = query.addChild("storage", "storage:bookmarks");
1659        for (Bookmark bookmark : account.getBookmarks()) {
1660            storage.addChild(bookmark);
1661        }
1662        sendIqPacket(account, iqPacket, mDefaultIqHandler);
1663    }
1664
1665    private void pushBookmarksPep(Account account) {
1666        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via pep");
1667        Element storage = new Element("storage", "storage:bookmarks");
1668        for (Bookmark bookmark : account.getBookmarks()) {
1669            storage.addChild(bookmark);
1670        }
1671        pushNodeAndEnforcePublishOptions(account,Namespace.BOOKMARKS,storage, PublishOptions.persistentWhitelistAccess());
1672
1673    }
1674
1675    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final Bundle options) {
1676        pushNodeAndEnforcePublishOptions(account, node, element, null, options, true);
1677
1678    }
1679
1680    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options) {
1681        pushNodeAndEnforcePublishOptions(account, node, element, id, options, true);
1682
1683    }
1684
1685	private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options, final boolean retry) {
1686        final IqPacket packet = mIqGenerator.publishElement(node, element, id, options);
1687        sendIqPacket(account, packet, (a, response) -> {
1688            if (response.getType() == IqPacket.TYPE.RESULT) {
1689                return;
1690            }
1691            if (retry && PublishOptions.preconditionNotMet(response)) {
1692                pushNodeConfiguration(account, node, options, new OnConfigurationPushed() {
1693                    @Override
1694                    public void onPushSucceeded() {
1695                        pushNodeAndEnforcePublishOptions(account, node, element, id, options, false);
1696                    }
1697
1698                    @Override
1699                    public void onPushFailed() {
1700                        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to push node configuration ("+node+")");
1701                    }
1702                });
1703            } else {
1704                Log.d(Config.LOGTAG,account.getJid().asBareJid()+": error publishing bookmarks (retry="+Boolean.toString(retry)+") "+response);
1705            }
1706        });
1707    }
1708
1709	private void restoreFromDatabase() {
1710		synchronized (this.conversations) {
1711			final Map<String, Account> accountLookupTable = new Hashtable<>();
1712			for (Account account : this.accounts) {
1713				accountLookupTable.put(account.getUuid(), account);
1714			}
1715			Log.d(Config.LOGTAG, "restoring conversations...");
1716			final long startTimeConversationsRestore = SystemClock.elapsedRealtime();
1717			this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1718			for (Iterator<Conversation> iterator = conversations.listIterator(); iterator.hasNext(); ) {
1719				Conversation conversation = iterator.next();
1720				Account account = accountLookupTable.get(conversation.getAccountUuid());
1721				if (account != null) {
1722					conversation.setAccount(account);
1723				} else {
1724					Log.e(Config.LOGTAG, "unable to restore Conversations with " + conversation.getJid());
1725					iterator.remove();
1726				}
1727			}
1728			long diffConversationsRestore = SystemClock.elapsedRealtime() - startTimeConversationsRestore;
1729			Log.d(Config.LOGTAG, "finished restoring conversations in " + diffConversationsRestore + "ms");
1730			Runnable runnable = () -> {
1731				long deletionDate = getAutomaticMessageDeletionDate();
1732				mLastExpiryRun.set(SystemClock.elapsedRealtime());
1733				if (deletionDate > 0) {
1734					Log.d(Config.LOGTAG, "deleting messages that are older than " + AbstractGenerator.getTimestamp(deletionDate));
1735					databaseBackend.expireOldMessages(deletionDate);
1736				}
1737				Log.d(Config.LOGTAG, "restoring roster...");
1738				for (Account account : accounts) {
1739					databaseBackend.readRoster(account.getRoster());
1740					account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1741				}
1742				getBitmapCache().evictAll();
1743				loadPhoneContacts();
1744				Log.d(Config.LOGTAG, "restoring messages...");
1745				final long startMessageRestore = SystemClock.elapsedRealtime();
1746				final Conversation quickLoad = QuickLoader.get(this.conversations);
1747				if (quickLoad != null) {
1748					restoreMessages(quickLoad);
1749					updateConversationUi();
1750					final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1751					Log.d(Config.LOGTAG,"quickly restored "+quickLoad.getName()+" after " + diffMessageRestore + "ms");
1752				}
1753				for (Conversation conversation : this.conversations) {
1754					if (quickLoad != conversation) {
1755						restoreMessages(conversation);
1756					}
1757				}
1758				mNotificationService.finishBacklog(false);
1759				restoredFromDatabaseLatch.countDown();
1760				final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1761				Log.d(Config.LOGTAG, "finished restoring messages in " + diffMessageRestore + "ms");
1762				updateConversationUi();
1763			};
1764			mDatabaseReaderExecutor.execute(runnable); //will contain one write command (expiry) but that's fine
1765		}
1766	}
1767
1768	private void restoreMessages(Conversation conversation) {
1769		conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1770		conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
1771		conversation.findUnreadMessages(message -> mNotificationService.pushFromBacklog(message));
1772	}
1773
1774	public void loadPhoneContacts() {
1775        mContactMergerExecutor.execute(() -> {
1776            Map<Jid, JabberIdContact> contacts = JabberIdContact.load(this);
1777            Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1778            for (Account account : accounts) {
1779                List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts(JabberIdContact.class);
1780                for (JabberIdContact jidContact : contacts.values()) {
1781                    final Contact contact = account.getRoster().getContact(jidContact.getJid());
1782                    boolean needsCacheClean = contact.setPhoneContact(jidContact);
1783                    if (needsCacheClean) {
1784                        getAvatarService().clear(contact);
1785                    }
1786                    withSystemAccounts.remove(contact);
1787                }
1788                for (Contact contact : withSystemAccounts) {
1789                    boolean needsCacheClean = contact.unsetPhoneContact(JabberIdContact.class);
1790                    if (needsCacheClean) {
1791                        getAvatarService().clear(contact);
1792                    }
1793                }
1794            }
1795            Log.d(Config.LOGTAG, "finished merging phone contacts");
1796            mShortcutService.refresh(mInitialAddressbookSyncCompleted.compareAndSet(false, true));
1797            updateRosterUi();
1798            mQuickConversationsService.considerSync();
1799        });
1800	}
1801
1802
1803	public void syncRoster(final Account account) {
1804		mRosterSyncTaskManager.execute(account, () -> databaseBackend.writeRoster(account.getRoster()));
1805	}
1806
1807	public List<Conversation> getConversations() {
1808		return this.conversations;
1809	}
1810
1811	private void markFileDeleted(final String path) {
1812        final File file = new File(path);
1813        final boolean isInternalFile = fileBackend.isInternalFile(file);
1814        final List<String> uuids = databaseBackend.markFileAsDeleted(file, isInternalFile);
1815        Log.d(Config.LOGTAG, "deleted file " + path+" internal="+isInternalFile+", database hits="+uuids.size());
1816        markUuidsAsDeletedFiles(uuids);
1817	}
1818
1819	private void markUuidsAsDeletedFiles(List<String> uuids) {
1820        boolean deleted = false;
1821        for (Conversation conversation : getConversations()) {
1822            deleted |= conversation.markAsDeleted(uuids);
1823        }
1824        if (deleted) {
1825            updateConversationUi();
1826        }
1827    }
1828
1829    private void markChangedFiles(List<DatabaseBackend.FilePathInfo> infos) {
1830        boolean changed = false;
1831        for (Conversation conversation : getConversations()) {
1832            changed |= conversation.markAsChanged(infos);
1833        }
1834        if (changed) {
1835            updateConversationUi();
1836        }
1837    }
1838
1839	public void populateWithOrderedConversations(final List<Conversation> list) {
1840		populateWithOrderedConversations(list, true, true);
1841	}
1842
1843	public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload) {
1844        populateWithOrderedConversations(list, includeNoFileUpload, true);
1845    }
1846
1847	public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload, final boolean sort) {
1848        final List<String> orderedUuids;
1849        if (sort) {
1850            orderedUuids = null;
1851        } else {
1852            orderedUuids = new ArrayList<>();
1853            for(Conversation conversation : list) {
1854                orderedUuids.add(conversation.getUuid());
1855            }
1856        }
1857		list.clear();
1858		if (includeNoFileUpload) {
1859			list.addAll(getConversations());
1860		} else {
1861			for (Conversation conversation : getConversations()) {
1862				if (conversation.getMode() == Conversation.MODE_SINGLE
1863						|| (conversation.getAccount().httpUploadAvailable() && conversation.getMucOptions().participating())) {
1864					list.add(conversation);
1865				}
1866			}
1867		}
1868		try {
1869		    if (orderedUuids != null) {
1870                Collections.sort(list, (a, b) -> {
1871                    final int indexA = orderedUuids.indexOf(a.getUuid());
1872                    final int indexB = orderedUuids.indexOf(b.getUuid());
1873                    if (indexA == -1 || indexB == -1 || indexA == indexB) {
1874                        return a.compareTo(b);
1875                    }
1876                    return indexA - indexB;
1877                });
1878            } else {
1879                Collections.sort(list);
1880            }
1881		} catch (IllegalArgumentException e) {
1882			//ignore
1883		}
1884	}
1885
1886	public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
1887		if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
1888			return;
1889		} else if (timestamp == 0) {
1890			return;
1891		}
1892		Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
1893		final Runnable runnable = () -> {
1894			final Account account = conversation.getAccount();
1895			List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
1896			if (messages.size() > 0) {
1897				conversation.addAll(0, messages);
1898				callback.onMoreMessagesLoaded(messages.size(), conversation);
1899			} else if (conversation.hasMessagesLeftOnServer()
1900					&& account.isOnlineAndConnected()
1901					&& conversation.getLastClearHistory().getTimestamp() == 0) {
1902				final boolean mamAvailable;
1903				if (conversation.getMode() == Conversation.MODE_SINGLE) {
1904					mamAvailable = account.getXmppConnection().getFeatures().mam() && !conversation.getContact().isBlocked();
1905				} else {
1906					mamAvailable = conversation.getMucOptions().mamSupport();
1907				}
1908				if (mamAvailable) {
1909					MessageArchiveService.Query query = getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
1910					if (query != null) {
1911						query.setCallback(callback);
1912						callback.informUser(R.string.fetching_history_from_server);
1913					} else {
1914						callback.informUser(R.string.not_fetching_history_retention_period);
1915					}
1916
1917				}
1918			}
1919		};
1920		mDatabaseReaderExecutor.execute(runnable);
1921	}
1922
1923	public List<Account> getAccounts() {
1924		return this.accounts;
1925	}
1926
1927
1928    /**
1929     * This will find all conferences with the contact as member and also the conference that is the contact (that 'fake' contact is used to store the avatar)
1930     */
1931	public List<Conversation> findAllConferencesWith(Contact contact) {
1932		ArrayList<Conversation> results = new ArrayList<>();
1933		for (final Conversation c : conversations) {
1934			if (c.getMode() == Conversation.MODE_MULTI && (c.getJid().asBareJid().equals(contact.getJid().asBareJid()) || c.getMucOptions().isContactInRoom(contact))) {
1935			    results.add(c);
1936			}
1937		}
1938		return results;
1939	}
1940
1941	public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
1942		for (final Conversation conversation : haystack) {
1943			if (conversation.getContact() == contact) {
1944				return conversation;
1945			}
1946		}
1947		return null;
1948	}
1949
1950	public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
1951		if (jid == null) {
1952			return null;
1953		}
1954		for (final Conversation conversation : haystack) {
1955			if ((account == null || conversation.getAccount() == account)
1956					&& (conversation.getJid().asBareJid().equals(jid.asBareJid()))) {
1957				return conversation;
1958			}
1959		}
1960		return null;
1961	}
1962
1963	public boolean isConversationsListEmpty(final Conversation ignore) {
1964		synchronized (this.conversations) {
1965			final int size = this.conversations.size();
1966			return size == 0 || size == 1 && this.conversations.get(0) == ignore;
1967		}
1968	}
1969
1970	public boolean isConversationStillOpen(final Conversation conversation) {
1971		synchronized (this.conversations) {
1972			for (Conversation current : this.conversations) {
1973				if (current == conversation) {
1974					return true;
1975				}
1976			}
1977		}
1978		return false;
1979	}
1980
1981	public Conversation findOrCreateConversation(Account account, Jid jid, boolean muc, final boolean async) {
1982		return this.findOrCreateConversation(account, jid, muc, false, async);
1983	}
1984
1985	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final boolean async) {
1986		return this.findOrCreateConversation(account, jid, muc, joinAfterCreate, null, async);
1987	}
1988
1989	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final MessageArchiveService.Query query, final boolean async) {
1990		synchronized (this.conversations) {
1991			Conversation conversation = find(account, jid);
1992			if (conversation != null) {
1993				return conversation;
1994			}
1995			conversation = databaseBackend.findConversation(account, jid);
1996			final boolean loadMessagesFromDb;
1997			if (conversation != null) {
1998				conversation.setStatus(Conversation.STATUS_AVAILABLE);
1999				conversation.setAccount(account);
2000				if (muc) {
2001					conversation.setMode(Conversation.MODE_MULTI);
2002					conversation.setContactJid(jid);
2003				} else {
2004					conversation.setMode(Conversation.MODE_SINGLE);
2005					conversation.setContactJid(jid.asBareJid());
2006				}
2007				databaseBackend.updateConversation(conversation);
2008				loadMessagesFromDb = conversation.messagesLoaded.compareAndSet(true, false);
2009			} else {
2010				String conversationName;
2011				Contact contact = account.getRoster().getContact(jid);
2012				if (contact != null) {
2013					conversationName = contact.getDisplayName();
2014				} else {
2015					conversationName = jid.getLocal();
2016				}
2017				if (muc) {
2018					conversation = new Conversation(conversationName, account, jid,
2019							Conversation.MODE_MULTI);
2020				} else {
2021					conversation = new Conversation(conversationName, account, jid.asBareJid(),
2022							Conversation.MODE_SINGLE);
2023				}
2024				this.databaseBackend.createConversation(conversation);
2025				loadMessagesFromDb = false;
2026			}
2027			final Conversation c = conversation;
2028			final Runnable runnable = () -> {
2029				if (loadMessagesFromDb) {
2030					c.addAll(0, databaseBackend.getMessages(c, Config.PAGE_SIZE));
2031					updateConversationUi();
2032					c.messagesLoaded.set(true);
2033				}
2034				if (account.getXmppConnection() != null
2035						&& !c.getContact().isBlocked()
2036						&& account.getXmppConnection().getFeatures().mam()
2037						&& !muc) {
2038					if (query == null) {
2039						mMessageArchiveService.query(c);
2040					} else {
2041						if (query.getConversation() == null) {
2042							mMessageArchiveService.query(c, query.getStart(), query.isCatchup());
2043						}
2044					}
2045				}
2046				if (joinAfterCreate) {
2047					joinMuc(c);
2048				}
2049			};
2050			if (async) {
2051				mDatabaseReaderExecutor.execute(runnable);
2052			} else {
2053				runnable.run();
2054			}
2055			this.conversations.add(conversation);
2056			updateConversationUi();
2057			return conversation;
2058		}
2059	}
2060
2061	public void archiveConversation(Conversation conversation) {
2062	    archiveConversation(conversation, true);
2063    }
2064
2065	private void archiveConversation(Conversation conversation, final boolean maySynchronizeWithBookmarks) {
2066		getNotificationService().clear(conversation);
2067		conversation.setStatus(Conversation.STATUS_ARCHIVED);
2068		conversation.setNextMessage(null);
2069		synchronized (this.conversations) {
2070			getMessageArchiveService().kill(conversation);
2071			if (conversation.getMode() == Conversation.MODE_MULTI) {
2072				if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2073					final Bookmark bookmark = conversation.getBookmark();
2074					if (maySynchronizeWithBookmarks && bookmark != null && synchronizeWithBookmarks()) {
2075						if (conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
2076							Account account = bookmark.getAccount();
2077							bookmark.setConversation(null);
2078							deleteBookmark(account, bookmark);
2079						} else if (bookmark.autojoin()) {
2080							bookmark.setAutojoin(false);
2081							createBookmark(bookmark.getAccount(), bookmark);
2082						}
2083					}
2084				}
2085                if (conversation.getMucOptions().push()) {
2086                    disableDirectMucPush(conversation);
2087                    mPushManagementService.disablePushOnServer(conversation);
2088                }
2089				leaveMuc(conversation);
2090			} else {
2091				if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
2092				    stopPresenceUpdatesTo(conversation.getContact());
2093				}
2094			}
2095			updateConversation(conversation);
2096			this.conversations.remove(conversation);
2097			updateConversationUi();
2098		}
2099	}
2100
2101	public void stopPresenceUpdatesTo(Contact contact) {
2102        Log.d(Config.LOGTAG, "Canceling presence request from " + contact.getJid().toString());
2103        sendPresencePacket(contact.getAccount(), mPresenceGenerator.stopPresenceUpdatesTo(contact));
2104        contact.resetOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
2105    }
2106
2107	public void createAccount(final Account account) {
2108		account.initAccountServices(this);
2109		databaseBackend.createAccount(account);
2110		this.accounts.add(account);
2111		this.reconnectAccountInBackground(account);
2112		updateAccountUi();
2113		syncEnabledAccountSetting();
2114		toggleForegroundService();
2115	}
2116
2117	private void syncEnabledAccountSetting() {
2118	    final boolean hasEnabledAccounts = hasEnabledAccounts();
2119		getPreferences().edit().putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
2120		toggleSetProfilePictureActivity(hasEnabledAccounts);
2121	}
2122
2123	private void toggleSetProfilePictureActivity(final boolean enabled) {
2124	    try {
2125	        final ComponentName name = new ComponentName(this, ChooseAccountForProfilePictureActivity.class);
2126	        final int targetState =  enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
2127            getPackageManager().setComponentEnabledSetting(name, targetState, PackageManager.DONT_KILL_APP);
2128        } catch (IllegalStateException e) {
2129	        Log.d(Config.LOGTAG,"unable to toggle profile picture actvitiy");
2130        }
2131    }
2132
2133	public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
2134		new Thread(() -> {
2135			try {
2136				final X509Certificate[] chain = KeyChain.getCertificateChain(this, alias);
2137				final X509Certificate cert = chain != null && chain.length > 0 ? chain[0] : null;
2138				if (cert == null) {
2139					callback.informUser(R.string.unable_to_parse_certificate);
2140					return;
2141				}
2142				Pair<Jid, String> info = CryptoHelper.extractJidAndName(cert);
2143				if (info == null) {
2144					callback.informUser(R.string.certificate_does_not_contain_jid);
2145					return;
2146				}
2147				if (findAccountByJid(info.first) == null) {
2148					Account account = new Account(info.first, "");
2149					account.setPrivateKeyAlias(alias);
2150					account.setOption(Account.OPTION_DISABLED, true);
2151					account.setDisplayName(info.second);
2152					createAccount(account);
2153					callback.onAccountCreated(account);
2154					if (Config.X509_VERIFICATION) {
2155						try {
2156							getMemorizingTrustManager().getNonInteractive(account.getJid().getDomain()).checkClientTrusted(chain, "RSA");
2157						} catch (CertificateException e) {
2158							callback.informUser(R.string.certificate_chain_is_not_trusted);
2159						}
2160					}
2161				} else {
2162					callback.informUser(R.string.account_already_exists);
2163				}
2164			} catch (Exception e) {
2165				e.printStackTrace();
2166				callback.informUser(R.string.unable_to_parse_certificate);
2167			}
2168		}).start();
2169
2170	}
2171
2172	public void updateKeyInAccount(final Account account, final String alias) {
2173		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": update key in account " + alias);
2174		try {
2175			X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
2176			Log.d(Config.LOGTAG, account.getJid().asBareJid() + " loaded certificate chain");
2177			Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
2178			if (info == null) {
2179				showErrorToastInUi(R.string.certificate_does_not_contain_jid);
2180				return;
2181			}
2182			if (account.getJid().asBareJid().equals(info.first)) {
2183				account.setPrivateKeyAlias(alias);
2184				account.setDisplayName(info.second);
2185				databaseBackend.updateAccount(account);
2186				if (Config.X509_VERIFICATION) {
2187					try {
2188						getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
2189					} catch (CertificateException e) {
2190						showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
2191					}
2192					account.getAxolotlService().regenerateKeys(true);
2193				}
2194			} else {
2195				showErrorToastInUi(R.string.jid_does_not_match_certificate);
2196			}
2197		} catch (Exception e) {
2198			e.printStackTrace();
2199		}
2200	}
2201
2202	public boolean updateAccount(final Account account) {
2203		if (databaseBackend.updateAccount(account)) {
2204			account.setShowErrorNotification(true);
2205			this.statusListener.onStatusChanged(account);
2206			databaseBackend.updateAccount(account);
2207			reconnectAccountInBackground(account);
2208			updateAccountUi();
2209			getNotificationService().updateErrorNotification();
2210			toggleForegroundService();
2211			syncEnabledAccountSetting();
2212			return true;
2213		} else {
2214			return false;
2215		}
2216	}
2217
2218	public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
2219		final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
2220		sendIqPacket(account, iq, (a, packet) -> {
2221			if (packet.getType() == IqPacket.TYPE.RESULT) {
2222				a.setPassword(newPassword);
2223				a.setOption(Account.OPTION_MAGIC_CREATE, false);
2224				databaseBackend.updateAccount(a);
2225				callback.onPasswordChangeSucceeded();
2226			} else {
2227				callback.onPasswordChangeFailed();
2228			}
2229		});
2230	}
2231
2232	public void deleteAccount(final Account account) {
2233	    final boolean connected = account.getStatus() == Account.State.ONLINE;
2234		synchronized (this.conversations) {
2235		    if (connected) {
2236                account.getAxolotlService().deleteOmemoIdentity();
2237            }
2238            for (final Conversation conversation : conversations) {
2239                if (conversation.getAccount() == account) {
2240                    if (conversation.getMode() == Conversation.MODE_MULTI) {
2241                        if (connected) {
2242                            leaveMuc(conversation);
2243                        }
2244                    }
2245                    conversations.remove(conversation);
2246                    mNotificationService.clear(conversation);
2247                }
2248            }
2249			if (account.getXmppConnection() != null) {
2250				new Thread(() -> disconnect(account, !connected)).start();
2251			}
2252			final Runnable runnable = () -> {
2253				if (!databaseBackend.deleteAccount(account)) {
2254					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to delete account");
2255				}
2256			};
2257			mDatabaseWriterExecutor.execute(runnable);
2258			this.accounts.remove(account);
2259			this.mRosterSyncTaskManager.clear(account);
2260			updateAccountUi();
2261			mNotificationService.updateErrorNotification();
2262			syncEnabledAccountSetting();
2263			toggleForegroundService();
2264		}
2265	}
2266
2267	public void setOnConversationListChangedListener(OnConversationUpdate listener) {
2268		final boolean remainingListeners;
2269		synchronized (LISTENER_LOCK) {
2270			remainingListeners = checkListeners();
2271			if (!this.mOnConversationUpdates.add(listener)) {
2272				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as ConversationListChangedListener");
2273			}
2274			this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2275		}
2276		if (remainingListeners) {
2277			switchToForeground();
2278		}
2279	}
2280
2281	public void removeOnConversationListChangedListener(OnConversationUpdate listener) {
2282		final boolean remainingListeners;
2283		synchronized (LISTENER_LOCK) {
2284			this.mOnConversationUpdates.remove(listener);
2285			this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2286			remainingListeners = checkListeners();
2287		}
2288		if (remainingListeners) {
2289			switchToBackground();
2290		}
2291	}
2292
2293	public void setOnShowErrorToastListener(OnShowErrorToast listener) {
2294		final boolean remainingListeners;
2295		synchronized (LISTENER_LOCK) {
2296			remainingListeners = checkListeners();
2297			if (!this.mOnShowErrorToasts.add(listener)) {
2298				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnShowErrorToastListener");
2299			}
2300		}
2301		if (remainingListeners) {
2302			switchToForeground();
2303		}
2304	}
2305
2306	public void removeOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
2307		final boolean remainingListeners;
2308		synchronized (LISTENER_LOCK) {
2309			this.mOnShowErrorToasts.remove(onShowErrorToast);
2310			remainingListeners = checkListeners();
2311		}
2312		if (remainingListeners) {
2313			switchToBackground();
2314		}
2315	}
2316
2317	public void setOnAccountListChangedListener(OnAccountUpdate listener) {
2318		final boolean remainingListeners;
2319		synchronized (LISTENER_LOCK) {
2320			remainingListeners = checkListeners();
2321			if (!this.mOnAccountUpdates.add(listener)) {
2322				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnAccountListChangedtListener");
2323			}
2324		}
2325		if (remainingListeners) {
2326			switchToForeground();
2327		}
2328	}
2329
2330	public void removeOnAccountListChangedListener(OnAccountUpdate listener) {
2331		final boolean remainingListeners;
2332		synchronized (LISTENER_LOCK) {
2333			this.mOnAccountUpdates.remove(listener);
2334			remainingListeners = checkListeners();
2335		}
2336		if (remainingListeners) {
2337			switchToBackground();
2338		}
2339	}
2340
2341	public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2342		final boolean remainingListeners;
2343		synchronized (LISTENER_LOCK) {
2344			remainingListeners = checkListeners();
2345			if (!this.mOnCaptchaRequested.add(listener)) {
2346				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnCaptchaRequestListener");
2347			}
2348		}
2349		if (remainingListeners) {
2350			switchToForeground();
2351		}
2352	}
2353
2354	public void removeOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2355		final boolean remainingListeners;
2356		synchronized (LISTENER_LOCK) {
2357			this.mOnCaptchaRequested.remove(listener);
2358			remainingListeners = checkListeners();
2359		}
2360		if (remainingListeners) {
2361			switchToBackground();
2362		}
2363	}
2364
2365	public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
2366		final boolean remainingListeners;
2367		synchronized (LISTENER_LOCK) {
2368			remainingListeners = checkListeners();
2369			if (!this.mOnRosterUpdates.add(listener)) {
2370				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnRosterUpdateListener");
2371			}
2372		}
2373		if (remainingListeners) {
2374			switchToForeground();
2375		}
2376	}
2377
2378	public void removeOnRosterUpdateListener(final OnRosterUpdate listener) {
2379		final boolean remainingListeners;
2380		synchronized (LISTENER_LOCK) {
2381			this.mOnRosterUpdates.remove(listener);
2382			remainingListeners = checkListeners();
2383		}
2384		if (remainingListeners) {
2385			switchToBackground();
2386		}
2387	}
2388
2389	public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2390		final boolean remainingListeners;
2391		synchronized (LISTENER_LOCK) {
2392			remainingListeners = checkListeners();
2393			if (!this.mOnUpdateBlocklist.add(listener)) {
2394				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnUpdateBlocklistListener");
2395			}
2396		}
2397		if (remainingListeners) {
2398			switchToForeground();
2399		}
2400	}
2401
2402	public void removeOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2403		final boolean remainingListeners;
2404		synchronized (LISTENER_LOCK) {
2405			this.mOnUpdateBlocklist.remove(listener);
2406			remainingListeners = checkListeners();
2407		}
2408		if (remainingListeners) {
2409			switchToBackground();
2410		}
2411	}
2412
2413	public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
2414		final boolean remainingListeners;
2415		synchronized (LISTENER_LOCK) {
2416			remainingListeners = checkListeners();
2417			if (!this.mOnKeyStatusUpdated.add(listener)) {
2418				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnKeyStatusUpdateListener");
2419			}
2420		}
2421		if (remainingListeners) {
2422			switchToForeground();
2423		}
2424	}
2425
2426	public void removeOnNewKeysAvailableListener(final OnKeyStatusUpdated listener) {
2427		final boolean remainingListeners;
2428		synchronized (LISTENER_LOCK) {
2429			this.mOnKeyStatusUpdated.remove(listener);
2430			remainingListeners = checkListeners();
2431		}
2432		if (remainingListeners) {
2433			switchToBackground();
2434		}
2435	}
2436
2437	public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
2438		final boolean remainingListeners;
2439		synchronized (LISTENER_LOCK) {
2440			remainingListeners = checkListeners();
2441			if (!this.mOnMucRosterUpdate.add(listener)) {
2442				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnMucRosterListener");
2443			}
2444		}
2445		if (remainingListeners) {
2446			switchToForeground();
2447		}
2448	}
2449
2450	public void removeOnMucRosterUpdateListener(final OnMucRosterUpdate listener) {
2451		final boolean remainingListeners;
2452		synchronized (LISTENER_LOCK) {
2453			this.mOnMucRosterUpdate.remove(listener);
2454			remainingListeners = checkListeners();
2455		}
2456		if (remainingListeners) {
2457			switchToBackground();
2458		}
2459	}
2460
2461	public boolean checkListeners() {
2462		return (this.mOnAccountUpdates.size() == 0
2463				&& this.mOnConversationUpdates.size() == 0
2464				&& this.mOnRosterUpdates.size() == 0
2465				&& this.mOnCaptchaRequested.size() == 0
2466				&& this.mOnMucRosterUpdate.size() == 0
2467				&& this.mOnUpdateBlocklist.size() == 0
2468				&& this.mOnShowErrorToasts.size() == 0
2469				&& this.mOnKeyStatusUpdated.size() == 0);
2470	}
2471
2472	private void switchToForeground() {
2473		final boolean broadcastLastActivity = broadcastLastActivity();
2474		for (Conversation conversation : getConversations()) {
2475			if (conversation.getMode() == Conversation.MODE_MULTI) {
2476				conversation.getMucOptions().resetChatState();
2477			} else {
2478				conversation.setIncomingChatState(Config.DEFAULT_CHATSTATE);
2479			}
2480		}
2481		for (Account account : getAccounts()) {
2482			if (account.getStatus() == Account.State.ONLINE) {
2483				account.deactivateGracePeriod();
2484				final XmppConnection connection = account.getXmppConnection();
2485				if (connection != null) {
2486					if (connection.getFeatures().csi()) {
2487						connection.sendActive();
2488					}
2489					if (broadcastLastActivity) {
2490						sendPresence(account, false); //send new presence but don't include idle because we are not
2491					}
2492				}
2493			}
2494		}
2495		Log.d(Config.LOGTAG, "app switched into foreground");
2496	}
2497
2498	private void switchToBackground() {
2499		final boolean broadcastLastActivity = broadcastLastActivity();
2500		if (broadcastLastActivity) {
2501			mLastActivity = System.currentTimeMillis();
2502			final SharedPreferences.Editor editor = getPreferences().edit();
2503			editor.putLong(SETTING_LAST_ACTIVITY_TS, mLastActivity);
2504			editor.apply();
2505		}
2506		for (Account account : getAccounts()) {
2507			if (account.getStatus() == Account.State.ONLINE) {
2508				XmppConnection connection = account.getXmppConnection();
2509				if (connection != null) {
2510					if (broadcastLastActivity) {
2511						sendPresence(account, true);
2512					}
2513					if (connection.getFeatures().csi()) {
2514						connection.sendInactive();
2515					}
2516				}
2517			}
2518		}
2519		this.mNotificationService.setIsInForeground(false);
2520		Log.d(Config.LOGTAG, "app switched into background");
2521	}
2522
2523	private void connectMultiModeConversations(Account account) {
2524		List<Conversation> conversations = getConversations();
2525		for (Conversation conversation : conversations) {
2526			if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
2527				joinMuc(conversation);
2528			}
2529		}
2530	}
2531
2532	public void mucSelfPingAndRejoin(final Conversation conversation) {
2533	    final Account account = conversation.getAccount();
2534	    synchronized (account.inProgressConferenceJoins) {
2535            if (account.inProgressConferenceJoins.contains(conversation)) {
2536                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because join is already under way");
2537                return;
2538            }
2539        }
2540        synchronized (account.inProgressConferencePings) {
2541	        if (!account.inProgressConferencePings.add(conversation)) {
2542	            Log.d(Config.LOGTAG, account.getJid().asBareJid()+": canceling muc self ping because ping is already under way");
2543	            return;
2544            }
2545        }
2546	    final Jid self = conversation.getMucOptions().getSelf().getFullJid();
2547	    final IqPacket ping = new IqPacket(IqPacket.TYPE.GET);
2548	    ping.setTo(self);
2549	    ping.addChild("ping", Namespace.PING);
2550	    sendIqPacket(conversation.getAccount(), ping, (a, response) -> {
2551	        if (response.getType() == IqPacket.TYPE.ERROR) {
2552	            Element error = response.findChild("error");
2553	            if (error == null || error.hasChild("service-unavailable") || error.hasChild("feature-not-implemented") || error.hasChild("item-not-found")) {
2554	                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": ping to "+self+" came back as ignorable error");
2555                } else {
2556	                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": ping to "+self+" failed. attempting rejoin");
2557	                joinMuc(conversation);
2558                }
2559            } else if (response.getType() == IqPacket.TYPE.RESULT) {
2560	            Log.d(Config.LOGTAG,a.getJid().asBareJid()+": ping to "+self+" came back fine");
2561            }
2562	        synchronized (account.inProgressConferencePings) {
2563	            account.inProgressConferencePings.remove(conversation);
2564            }
2565        });
2566    }
2567
2568	public void joinMuc(Conversation conversation) {
2569		joinMuc(conversation, null, false);
2570	}
2571
2572	public void joinMuc(Conversation conversation, boolean followedInvite) {
2573		joinMuc(conversation, null, followedInvite);
2574	}
2575
2576	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2577		joinMuc(conversation, onConferenceJoined, false);
2578	}
2579
2580	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined, final boolean followedInvite) {
2581		final Account account = conversation.getAccount();
2582		synchronized (account.pendingConferenceJoins) {
2583            account.pendingConferenceJoins.remove(conversation);
2584        }
2585        synchronized (account.pendingConferenceLeaves) {
2586            account.pendingConferenceLeaves.remove(conversation);
2587        }
2588		if (account.getStatus() == Account.State.ONLINE) {
2589		    synchronized (account.inProgressConferenceJoins) {
2590                account.inProgressConferenceJoins.add(conversation);
2591            }
2592            if (Config.MUC_LEAVE_BEFORE_JOIN) {
2593                sendPresencePacket(account, mPresenceGenerator.leave(conversation.getMucOptions()));
2594            }
2595            conversation.resetMucOptions();
2596			if (onConferenceJoined != null) {
2597				conversation.getMucOptions().flagNoAutoPushConfiguration();
2598			}
2599			conversation.setHasMessagesLeftOnServer(false);
2600			fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
2601
2602				private void join(Conversation conversation) {
2603					Account account = conversation.getAccount();
2604					final MucOptions mucOptions = conversation.getMucOptions();
2605
2606					if (mucOptions.nonanonymous() && !mucOptions.membersOnly() && !conversation.getBooleanAttribute("accept_non_anonymous", false)) {
2607					    synchronized (account.inProgressConferenceJoins) {
2608                            account.inProgressConferenceJoins.remove(conversation);
2609                        }
2610					    mucOptions.setError(MucOptions.Error.NON_ANONYMOUS);
2611					    updateConversationUi();
2612                        if (onConferenceJoined != null) {
2613                            onConferenceJoined.onConferenceJoined(conversation);
2614                        }
2615					    return;
2616                    }
2617
2618					final Jid joinJid = mucOptions.getSelf().getFullJid();
2619					Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": joining conversation " + joinJid.toString());
2620					PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous() || onConferenceJoined != null);
2621					packet.setTo(joinJid);
2622					Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
2623					if (conversation.getMucOptions().getPassword() != null) {
2624						x.addChild("password").setContent(mucOptions.getPassword());
2625					}
2626
2627					if (mucOptions.mamSupport()) {
2628						// Use MAM instead of the limited muc history to get history
2629						x.addChild("history").setAttribute("maxchars", "0");
2630					} else {
2631						// Fallback to muc history
2632						x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted().getTimestamp()));
2633					}
2634					sendPresencePacket(account, packet);
2635					if (onConferenceJoined != null) {
2636						onConferenceJoined.onConferenceJoined(conversation);
2637					}
2638					if (!joinJid.equals(conversation.getJid())) {
2639						conversation.setContactJid(joinJid);
2640						databaseBackend.updateConversation(conversation);
2641					}
2642
2643					if (mucOptions.mamSupport()) {
2644						getMessageArchiveService().catchupMUC(conversation);
2645					}
2646					if (mucOptions.isPrivateAndNonAnonymous()) {
2647						fetchConferenceMembers(conversation);
2648						if (followedInvite && conversation.getBookmark() == null) {
2649							saveConversationAsBookmark(conversation, null);
2650						}
2651					}
2652					if (mucOptions.push()) {
2653					    enableMucPush(conversation);
2654                    }
2655					synchronized (account.inProgressConferenceJoins) {
2656                        account.inProgressConferenceJoins.remove(conversation);
2657                        sendUnsentMessages(conversation);
2658                    }
2659				}
2660
2661				@Override
2662				public void onConferenceConfigurationFetched(Conversation conversation) {
2663				    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2664				        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": conversation ("+conversation.getJid()+") got archived before IQ result");
2665				        return;
2666                    }
2667					join(conversation);
2668				}
2669
2670				@Override
2671				public void onFetchFailed(final Conversation conversation, Element error) {
2672                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2673                        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": conversation ("+conversation.getJid()+") got archived before IQ result");
2674
2675                        return;
2676                    }
2677					if (error != null && "remote-server-not-found".equals(error.getName())) {
2678					    synchronized (account.inProgressConferenceJoins) {
2679                            account.inProgressConferenceJoins.remove(conversation);
2680                        }
2681						conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
2682						updateConversationUi();
2683					} else {
2684						join(conversation);
2685						fetchConferenceConfiguration(conversation);
2686					}
2687				}
2688			});
2689			updateConversationUi();
2690		} else {
2691		    synchronized (account.pendingConferenceJoins) {
2692                account.pendingConferenceJoins.add(conversation);
2693            }
2694			conversation.resetMucOptions();
2695			conversation.setHasMessagesLeftOnServer(false);
2696			updateConversationUi();
2697		}
2698	}
2699
2700	private void enableDirectMucPush(final Conversation conversation) {
2701        final Account account = conversation.getAccount();
2702        final Jid room = conversation.getJid().asBareJid();
2703        final IqPacket enable = mIqGenerator.enablePush(conversation.getAccount().getJid(), conversation.getUuid(), null);
2704        enable.setTo(room);
2705        sendIqPacket(account, enable, (a, response) -> {
2706            if (response.getType() == IqPacket.TYPE.RESULT) {
2707                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": enabled direct push for muc "+room);
2708            } else if (response.getType() == IqPacket.TYPE.ERROR) {
2709                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": unable to enable direct push for muc "+room+" "+response.getError());
2710            }
2711        });
2712    }
2713
2714	private void enableMucPush(final Conversation conversation) {
2715	    enableDirectMucPush(conversation);
2716        mPushManagementService.registerPushTokenOnServer(conversation);
2717    }
2718
2719    private void disableDirectMucPush(final Conversation conversation) {
2720        final Account account = conversation.getAccount();
2721        final Jid room = conversation.getJid().asBareJid();
2722        final IqPacket disable = mIqGenerator.disablePush(conversation.getAccount().getJid(), conversation.getUuid());
2723        disable.setTo(room);
2724        sendIqPacket(account, disable, (a, response) -> {
2725            if (response.getType() == IqPacket.TYPE.RESULT) {
2726                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": disabled direct push for muc "+room);
2727            } else if (response.getType() == IqPacket.TYPE.ERROR) {
2728                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": unable to disable direct push for muc "+room+" "+response.getError());
2729            }
2730        });
2731    }
2732
2733	private void fetchConferenceMembers(final Conversation conversation) {
2734		final Account account = conversation.getAccount();
2735		final AxolotlService axolotlService = account.getAxolotlService();
2736		final String[] affiliations = {"member", "admin", "owner"};
2737		OnIqPacketReceived callback = new OnIqPacketReceived() {
2738
2739			private int i = 0;
2740			private boolean success = true;
2741
2742			@Override
2743			public void onIqPacketReceived(Account account, IqPacket packet) {
2744				final boolean omemoEnabled = conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL;
2745				Element query = packet.query("http://jabber.org/protocol/muc#admin");
2746				if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2747					for (Element child : query.getChildren()) {
2748						if ("item".equals(child.getName())) {
2749							MucOptions.User user = AbstractParser.parseItem(conversation, child);
2750							if (!user.realJidMatchesAccount()) {
2751								boolean isNew = conversation.getMucOptions().updateUser(user);
2752								Contact contact = user.getContact();
2753								if (omemoEnabled
2754										&& isNew
2755										&& user.getRealJid() != null
2756										&& (contact == null || !contact.mutualPresenceSubscription())
2757										&& axolotlService.hasEmptyDeviceList(user.getRealJid())) {
2758									axolotlService.fetchDeviceIds(user.getRealJid());
2759								}
2760							}
2761						}
2762					}
2763				} else {
2764					success = false;
2765					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not request affiliation " + affiliations[i] + " in " + conversation.getJid().asBareJid());
2766				}
2767				++i;
2768				if (i >= affiliations.length) {
2769					List<Jid> members = conversation.getMucOptions().getMembers(true);
2770					if (success) {
2771						List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
2772						boolean changed = false;
2773						for (ListIterator<Jid> iterator = cryptoTargets.listIterator(); iterator.hasNext(); ) {
2774							Jid jid = iterator.next();
2775							if (!members.contains(jid) && !members.contains(Jid.ofDomain(jid.getDomain()))) {
2776								iterator.remove();
2777								Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
2778								changed = true;
2779							}
2780						}
2781						if (changed) {
2782							conversation.setAcceptedCryptoTargets(cryptoTargets);
2783							updateConversation(conversation);
2784						}
2785					}
2786					getAvatarService().clear(conversation);
2787					updateMucRosterUi();
2788					updateConversationUi();
2789				}
2790			}
2791		};
2792		for (String affiliation : affiliations) {
2793			sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
2794		}
2795		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching members for " + conversation.getName());
2796	}
2797
2798	public void providePasswordForMuc(Conversation conversation, String password) {
2799		if (conversation.getMode() == Conversation.MODE_MULTI) {
2800			conversation.getMucOptions().setPassword(password);
2801			if (conversation.getBookmark() != null) {
2802			    final Bookmark bookmark = conversation.getBookmark();
2803				if (synchronizeWithBookmarks()) {
2804					bookmark.setAutojoin(true);
2805				}
2806				createBookmark(conversation.getAccount(), bookmark);
2807			}
2808			updateConversation(conversation);
2809			joinMuc(conversation);
2810		}
2811	}
2812
2813	private boolean hasEnabledAccounts() {
2814	    if (this.accounts == null) {
2815	        return false;
2816	    }
2817	    for (Account account : this.accounts) {
2818	        if (account.isEnabled()) {
2819	            return true;
2820	        }
2821	    }
2822	    return false;
2823	}
2824
2825
2826	public void getAttachments(final Conversation conversation, int limit, final OnMediaLoaded onMediaLoaded) {
2827        getAttachments(conversation.getAccount(), conversation.getJid().asBareJid(), limit, onMediaLoaded);
2828    }
2829
2830    public void getAttachments(final Account account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
2831        getAttachments(account.getUuid(),jid.asBareJid(),limit, onMediaLoaded);
2832    }
2833
2834
2835	public void getAttachments(final String account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
2836        new Thread(() -> onMediaLoaded.onMediaLoaded(fileBackend.convertToAttachments(databaseBackend.getRelativeFilePaths(account, jid, limit)))).start();
2837    }
2838
2839	public void persistSelfNick(MucOptions.User self) {
2840		final Conversation conversation = self.getConversation();
2841		final boolean tookProposedNickFromBookmark = conversation.getMucOptions().isTookProposedNickFromBookmark();
2842		Jid full = self.getFullJid();
2843		if (!full.equals(conversation.getJid())) {
2844			Log.d(Config.LOGTAG, "nick changed. updating");
2845			conversation.setContactJid(full);
2846			databaseBackend.updateConversation(conversation);
2847		}
2848
2849		final Bookmark bookmark = conversation.getBookmark();
2850		final String bookmarkedNick = bookmark == null ? null : bookmark.getNick();
2851        if (bookmark != null && (tookProposedNickFromBookmark || TextUtils.isEmpty(bookmarkedNick)) && !full.getResource().equals(bookmarkedNick)) {
2852            final Account account = conversation.getAccount();
2853            final String defaultNick = MucOptions.defaultNick(account);
2854            if (TextUtils.isEmpty(bookmarkedNick) && full.getResource().equals(defaultNick)) {
2855                Log.d(Config.LOGTAG,account.getJid().asBareJid()+": do not overwrite empty bookmark nick with default nick for "+conversation.getJid().asBareJid());
2856                return;
2857            }
2858            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": persist nick '" + full.getResource() + "' into bookmark for " + conversation.getJid().asBareJid());
2859            bookmark.setNick(full.getResource());
2860            createBookmark(bookmark.getAccount(), bookmark);
2861        }
2862	}
2863
2864	public boolean renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
2865		final MucOptions options = conversation.getMucOptions();
2866		final Jid joinJid = options.createJoinJid(nick);
2867		if (joinJid == null) {
2868			return false;
2869		}
2870		if (options.online()) {
2871			Account account = conversation.getAccount();
2872			options.setOnRenameListener(new OnRenameListener() {
2873
2874				@Override
2875				public void onSuccess() {
2876					callback.success(conversation);
2877				}
2878
2879				@Override
2880				public void onFailure() {
2881					callback.error(R.string.nick_in_use, conversation);
2882				}
2883			});
2884
2885            final PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, options.nonanonymous());
2886            packet.setTo(joinJid);
2887			sendPresencePacket(account, packet);
2888		} else {
2889			conversation.setContactJid(joinJid);
2890			databaseBackend.updateConversation(conversation);
2891			if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2892				Bookmark bookmark = conversation.getBookmark();
2893				if (bookmark != null) {
2894					bookmark.setNick(nick);
2895					createBookmark(bookmark.getAccount(), bookmark);
2896				}
2897				joinMuc(conversation);
2898			}
2899		}
2900		return true;
2901	}
2902
2903	public void leaveMuc(Conversation conversation) {
2904		leaveMuc(conversation, false);
2905	}
2906
2907	private void leaveMuc(Conversation conversation, boolean now) {
2908		final Account account = conversation.getAccount();
2909		synchronized (account.pendingConferenceJoins) {
2910            account.pendingConferenceJoins.remove(conversation);
2911        }
2912        synchronized (account.pendingConferenceLeaves) {
2913            account.pendingConferenceLeaves.remove(conversation);
2914        }
2915		if (account.getStatus() == Account.State.ONLINE || now) {
2916			sendPresencePacket(conversation.getAccount(), mPresenceGenerator.leave(conversation.getMucOptions()));
2917			conversation.getMucOptions().setOffline();
2918			Bookmark bookmark = conversation.getBookmark();
2919			if (bookmark != null) {
2920				bookmark.setConversation(null);
2921			}
2922			Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": leaving muc " + conversation.getJid());
2923		} else {
2924		    synchronized (account.pendingConferenceLeaves) {
2925                account.pendingConferenceLeaves.add(conversation);
2926            }
2927		}
2928	}
2929
2930	public String findConferenceServer(final Account account) {
2931		String server;
2932		if (account.getXmppConnection() != null) {
2933			server = account.getXmppConnection().getMucServer();
2934			if (server != null) {
2935				return server;
2936			}
2937		}
2938		for (Account other : getAccounts()) {
2939			if (other != account && other.getXmppConnection() != null) {
2940				server = other.getXmppConnection().getMucServer();
2941				if (server != null) {
2942					return server;
2943				}
2944			}
2945		}
2946		return null;
2947	}
2948
2949
2950	public void createPublicChannel(final Account account, final String name, final Jid address, final UiCallback<Conversation> callback) {
2951        joinMuc(findOrCreateConversation(account, address, true, false, true), conversation -> {
2952            final Bundle configuration = IqGenerator.defaultChannelConfiguration();
2953            if (!TextUtils.isEmpty(name)) {
2954                configuration.putString("muc#roomconfig_roomname", name);
2955            }
2956            pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
2957                @Override
2958                public void onPushSucceeded() {
2959                    saveConversationAsBookmark(conversation, name);
2960                    callback.success(conversation);
2961                }
2962
2963                @Override
2964                public void onPushFailed() {
2965                    if (conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
2966                        callback.error(R.string.unable_to_set_channel_configuration, conversation);
2967                    } else {
2968                        callback.error(R.string.joined_an_existing_channel, conversation);
2969                    }
2970                }
2971            });
2972        });
2973    }
2974
2975	public boolean createAdhocConference(final Account account,
2976	                                     final String name,
2977	                                     final Iterable<Jid> jids,
2978	                                     final UiCallback<Conversation> callback) {
2979		Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": creating adhoc conference with " + jids.toString());
2980		if (account.getStatus() == Account.State.ONLINE) {
2981			try {
2982				String server = findConferenceServer(account);
2983				if (server == null) {
2984					if (callback != null) {
2985						callback.error(R.string.no_conference_server_found, null);
2986					}
2987					return false;
2988				}
2989				final Jid jid = Jid.of(CryptoHelper.pronounceable(getRNG()), server, null);
2990				final Conversation conversation = findOrCreateConversation(account, jid, true, false, true);
2991				joinMuc(conversation, new OnConferenceJoined() {
2992					@Override
2993					public void onConferenceJoined(final Conversation conversation) {
2994						final Bundle configuration = IqGenerator.defaultGroupChatConfiguration();
2995						if (!TextUtils.isEmpty(name)) {
2996							configuration.putString("muc#roomconfig_roomname", name);
2997						}
2998						pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
2999							@Override
3000							public void onPushSucceeded() {
3001								for (Jid invite : jids) {
3002									invite(conversation, invite);
3003								}
3004								for(String resource : account.getSelfContact().getPresences().toResourceArray()) {
3005								    Jid other = account.getJid().withResource(resource);
3006								    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": sending direct invite to "+other);
3007								    directInvite(conversation, other);
3008                                }
3009								saveConversationAsBookmark(conversation, name);
3010								if (callback != null) {
3011									callback.success(conversation);
3012								}
3013							}
3014
3015							@Override
3016							public void onPushFailed() {
3017								archiveConversation(conversation);
3018								if (callback != null) {
3019									callback.error(R.string.conference_creation_failed, conversation);
3020								}
3021							}
3022						});
3023					}
3024				});
3025				return true;
3026			} catch (IllegalArgumentException e) {
3027				if (callback != null) {
3028					callback.error(R.string.conference_creation_failed, null);
3029				}
3030				return false;
3031			}
3032		} else {
3033			if (callback != null) {
3034				callback.error(R.string.not_connected_try_again, null);
3035			}
3036			return false;
3037		}
3038	}
3039
3040	public void fetchConferenceConfiguration(final Conversation conversation) {
3041		fetchConferenceConfiguration(conversation, null);
3042	}
3043
3044	public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
3045		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3046		request.setTo(conversation.getJid().asBareJid());
3047		request.query("http://jabber.org/protocol/disco#info");
3048		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3049			@Override
3050			public void onIqPacketReceived(Account account, IqPacket packet) {
3051				if (packet.getType() == IqPacket.TYPE.RESULT) {
3052                    final MucOptions mucOptions = conversation.getMucOptions();
3053                    final Bookmark bookmark = conversation.getBookmark();
3054                    final boolean sameBefore = StringUtils.equals(bookmark == null ? null : bookmark.getBookmarkName(), mucOptions.getName());
3055
3056                    if (mucOptions.updateConfiguration(new ServiceDiscoveryResult(packet))) {
3057                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": muc configuration changed for " + conversation.getJid().asBareJid());
3058                        updateConversation(conversation);
3059                    }
3060
3061                    if (bookmark != null && (sameBefore || bookmark.getBookmarkName() == null)) {
3062                        if (bookmark.setBookmarkName(StringUtils.nullOnEmpty(mucOptions.getName()))) {
3063                            createBookmark(account, bookmark);
3064                        }
3065                    }
3066
3067
3068                    if (callback != null) {
3069                        callback.onConferenceConfigurationFetched(conversation);
3070                    }
3071
3072
3073                    updateConversationUi();
3074                } else if (packet.getType() == IqPacket.TYPE.TIMEOUT) {
3075                    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": received timeout waiting for conference configuration fetch");
3076				} else {
3077					if (callback != null) {
3078						callback.onFetchFailed(conversation, packet.getError());
3079					}
3080				}
3081			}
3082		});
3083	}
3084
3085	public void pushNodeConfiguration(Account account, final String node, final Bundle options, final OnConfigurationPushed callback) {
3086		pushNodeConfiguration(account, account.getJid().asBareJid(), node, options, callback);
3087	}
3088
3089	public void pushNodeConfiguration(Account account, final Jid jid, final String node, final Bundle options, final OnConfigurationPushed callback) {
3090        Log.d(Config.LOGTAG,"pushing node configuration");
3091		sendIqPacket(account, mIqGenerator.requestPubsubConfiguration(jid, node), new OnIqPacketReceived() {
3092			@Override
3093			public void onIqPacketReceived(Account account, IqPacket packet) {
3094				if (packet.getType() == IqPacket.TYPE.RESULT) {
3095					Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub#owner");
3096					Element configuration = pubsub == null ? null : pubsub.findChild("configure");
3097					Element x = configuration == null ? null : configuration.findChild("x", Namespace.DATA);
3098					if (x != null) {
3099						Data data = Data.parse(x);
3100						data.submit(options);
3101						sendIqPacket(account, mIqGenerator.publishPubsubConfiguration(jid, node, data), new OnIqPacketReceived() {
3102							@Override
3103							public void onIqPacketReceived(Account account, IqPacket packet) {
3104								if (packet.getType() == IqPacket.TYPE.RESULT && callback != null) {
3105									Log.d(Config.LOGTAG,account.getJid().asBareJid()+": successfully changed node configuration for node "+node);
3106									callback.onPushSucceeded();
3107								} else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3108									callback.onPushFailed();
3109								}
3110							}
3111						});
3112					} else if (callback != null) {
3113						callback.onPushFailed();
3114					}
3115				} else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3116					callback.onPushFailed();
3117				}
3118			}
3119		});
3120	}
3121
3122	public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConfigurationPushed callback) {
3123	    if (options.getString("muc#roomconfig_whois","moderators").equals("anyone")) {
3124	        conversation.setAttribute("accept_non_anonymous",true);
3125            updateConversation(conversation);
3126        }
3127		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3128		request.setTo(conversation.getJid().asBareJid());
3129		request.query("http://jabber.org/protocol/muc#owner");
3130		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3131			@Override
3132			public void onIqPacketReceived(Account account, IqPacket packet) {
3133				if (packet.getType() == IqPacket.TYPE.RESULT) {
3134					Data data = Data.parse(packet.query().findChild("x", Namespace.DATA));
3135					data.submit(options);
3136					IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3137					set.setTo(conversation.getJid().asBareJid());
3138					set.query("http://jabber.org/protocol/muc#owner").addChild(data);
3139					sendIqPacket(account, set, new OnIqPacketReceived() {
3140						@Override
3141						public void onIqPacketReceived(Account account, IqPacket packet) {
3142							if (callback != null) {
3143								if (packet.getType() == IqPacket.TYPE.RESULT) {
3144									callback.onPushSucceeded();
3145								} else {
3146									callback.onPushFailed();
3147								}
3148							}
3149						}
3150					});
3151				} else {
3152					if (callback != null) {
3153						callback.onPushFailed();
3154					}
3155				}
3156			}
3157		});
3158	}
3159
3160	public void pushSubjectToConference(final Conversation conference, final String subject) {
3161		MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, StringUtils.nullOnEmpty(subject));
3162		this.sendMessagePacket(conference.getAccount(), packet);
3163	}
3164
3165	public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
3166		final Jid jid = user.asBareJid();
3167		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
3168		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
3169			@Override
3170			public void onIqPacketReceived(Account account, IqPacket packet) {
3171				if (packet.getType() == IqPacket.TYPE.RESULT) {
3172					conference.getMucOptions().changeAffiliation(jid, affiliation);
3173					getAvatarService().clear(conference);
3174					callback.onAffiliationChangedSuccessful(jid);
3175				} else {
3176					callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
3177				}
3178			}
3179		});
3180	}
3181
3182	public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
3183		List<Jid> jids = new ArrayList<>();
3184		for (MucOptions.User user : conference.getMucOptions().getUsers()) {
3185			if (user.getAffiliation() == before && user.getRealJid() != null) {
3186				jids.add(user.getRealJid());
3187			}
3188		}
3189		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
3190		sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
3191	}
3192
3193	public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role) {
3194		IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
3195		Log.d(Config.LOGTAG, request.toString());
3196		sendIqPacket(conference.getAccount(), request, (account, packet) -> {
3197            if (packet.getType() != IqPacket.TYPE.RESULT) {
3198                Log.d(Config.LOGTAG,account.getJid().asBareJid()+" unable to change role of "+nick);
3199            }
3200        });
3201	}
3202
3203    public void destroyRoom(final Conversation conversation, final OnRoomDestroy callback) {
3204        IqPacket request = new IqPacket(IqPacket.TYPE.SET);
3205        request.setTo(conversation.getJid().asBareJid());
3206        request.query("http://jabber.org/protocol/muc#owner").addChild("destroy");
3207        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3208            @Override
3209            public void onIqPacketReceived(Account account, IqPacket packet) {
3210                if (packet.getType() == IqPacket.TYPE.RESULT) {
3211                    if (callback != null) {
3212                        callback.onRoomDestroySucceeded();
3213                    }
3214                } else if (packet.getType() == IqPacket.TYPE.ERROR) {
3215                    if (callback != null) {
3216                        callback.onRoomDestroyFailed();
3217                    }
3218                }
3219            }
3220        });
3221    }
3222
3223	private void disconnect(Account account, boolean force) {
3224		if ((account.getStatus() == Account.State.ONLINE)
3225				|| (account.getStatus() == Account.State.DISABLED)) {
3226			final XmppConnection connection = account.getXmppConnection();
3227			if (!force) {
3228				List<Conversation> conversations = getConversations();
3229				for (Conversation conversation : conversations) {
3230					if (conversation.getAccount() == account) {
3231						if (conversation.getMode() == Conversation.MODE_MULTI) {
3232							leaveMuc(conversation, true);
3233						}
3234					}
3235				}
3236				sendOfflinePresence(account);
3237			}
3238			connection.disconnect(force);
3239		}
3240	}
3241
3242	@Override
3243	public IBinder onBind(Intent intent) {
3244		return mBinder;
3245	}
3246
3247	public void updateMessage(Message message) {
3248		updateMessage(message, true);
3249	}
3250
3251	public void updateMessage(Message message, boolean includeBody) {
3252		databaseBackend.updateMessage(message, includeBody);
3253		updateConversationUi();
3254	}
3255
3256	public void updateMessage(Message message, String uuid) {
3257		if (!databaseBackend.updateMessage(message, uuid)) {
3258            Log.e(Config.LOGTAG,"error updated message in DB after edit");
3259        }
3260		updateConversationUi();
3261	}
3262
3263	protected void syncDirtyContacts(Account account) {
3264		for (Contact contact : account.getRoster().getContacts()) {
3265			if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
3266				pushContactToServer(contact);
3267			}
3268			if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
3269				deleteContactOnServer(contact);
3270			}
3271		}
3272	}
3273
3274	public void createContact(Contact contact, boolean autoGrant) {
3275		if (autoGrant) {
3276			contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
3277			contact.setOption(Contact.Options.ASKING);
3278		}
3279		pushContactToServer(contact);
3280	}
3281
3282	public void pushContactToServer(final Contact contact) {
3283		contact.resetOption(Contact.Options.DIRTY_DELETE);
3284		contact.setOption(Contact.Options.DIRTY_PUSH);
3285		final Account account = contact.getAccount();
3286		if (account.getStatus() == Account.State.ONLINE) {
3287			final boolean ask = contact.getOption(Contact.Options.ASKING);
3288			final boolean sendUpdates = contact
3289					.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
3290					&& contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
3291			final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3292			iq.query(Namespace.ROSTER).addChild(contact.asElement());
3293			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3294			if (sendUpdates) {
3295				sendPresencePacket(account, mPresenceGenerator.sendPresenceUpdatesTo(contact));
3296			}
3297			if (ask) {
3298				sendPresencePacket(account, mPresenceGenerator.requestPresenceUpdatesFrom(contact));
3299			}
3300		} else {
3301			syncRoster(contact.getAccount());
3302		}
3303	}
3304
3305	public void publishMucAvatar(final Conversation conversation, final Uri image, final OnAvatarPublication callback) {
3306		new Thread(() -> {
3307			final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3308			final int size = Config.AVATAR_SIZE;
3309			final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3310			if (avatar != null) {
3311				if (!getFileBackend().save(avatar)) {
3312					callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3313					return;
3314				}
3315				avatar.owner = conversation.getJid().asBareJid();
3316				publishMucAvatar(conversation, avatar, callback);
3317			} else {
3318				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3319			}
3320		}).start();
3321	}
3322
3323	public void publishAvatar(final Account account, final Uri image, final OnAvatarPublication callback) {
3324		new Thread(() -> {
3325			final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3326			final int size = Config.AVATAR_SIZE;
3327			final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3328			if (avatar != null) {
3329				if (!getFileBackend().save(avatar)) {
3330					Log.d(Config.LOGTAG,"unable to save vcard");
3331					callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3332					return;
3333				}
3334				publishAvatar(account, avatar, callback);
3335			} else {
3336				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3337			}
3338		}).start();
3339
3340	}
3341
3342	private void publishMucAvatar(Conversation conversation, Avatar avatar, OnAvatarPublication callback) {
3343		final IqPacket retrieve = mIqGenerator.retrieveVcardAvatar(avatar);
3344		sendIqPacket(conversation.getAccount(), retrieve, (account, response) -> {
3345			boolean itemNotFound = response.getType() == IqPacket.TYPE.ERROR && response.hasChild("error") && response.findChild("error").hasChild("item-not-found");
3346			if (response.getType() == IqPacket.TYPE.RESULT || itemNotFound) {
3347				Element vcard = response.findChild("vCard", "vcard-temp");
3348				if (vcard == null) {
3349					vcard = new Element("vCard", "vcard-temp");
3350				}
3351				Element photo = vcard.findChild("PHOTO");
3352				if (photo == null) {
3353					photo = vcard.addChild("PHOTO");
3354				}
3355				photo.clearChildren();
3356				photo.addChild("TYPE").setContent(avatar.type);
3357				photo.addChild("BINVAL").setContent(avatar.image);
3358				IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
3359				publication.setTo(conversation.getJid().asBareJid());
3360				publication.addChild(vcard);
3361				sendIqPacket(account, publication, (a1, publicationResponse) -> {
3362					if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
3363						callback.onAvatarPublicationSucceeded();
3364					} else {
3365						Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getError());
3366						callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3367					}
3368				});
3369			} else {
3370				Log.d(Config.LOGTAG, "failed to request vcard " + response.toString());
3371				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_no_server_support);
3372			}
3373		});
3374	}
3375
3376    public void publishAvatar(Account account, final Avatar avatar, final OnAvatarPublication callback) {
3377        final Bundle options;
3378        if (account.getXmppConnection().getFeatures().pepPublishOptions()) {
3379            options = PublishOptions.openAccess();
3380        } else {
3381            options = null;
3382        }
3383        publishAvatar(account, avatar, options, true, callback);
3384    }
3385
3386	public void publishAvatar(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3387        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": publishing avatar. options="+options);
3388		IqPacket packet = this.mIqGenerator.publishAvatar(avatar, options);
3389		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3390
3391			@Override
3392			public void onIqPacketReceived(Account account, IqPacket result) {
3393				if (result.getType() == IqPacket.TYPE.RESULT) {
3394                    publishAvatarMetadata(account, avatar, options,true, callback);
3395                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3396				    pushNodeConfiguration(account, "urn:xmpp:avatar:data", options, new OnConfigurationPushed() {
3397                        @Override
3398                        public void onPushSucceeded() {
3399                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": changed node configuration for avatar node");
3400                            publishAvatar(account, avatar, options, false, callback);
3401                        }
3402
3403                        @Override
3404                        public void onPushFailed() {
3405                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to change node configuration for avatar node");
3406                            publishAvatar(account, avatar, null, false, callback);
3407                        }
3408                    });
3409				} else {
3410					Element error = result.findChild("error");
3411					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server rejected avatar " + (avatar.size / 1024) + "KiB " + (error != null ? error.toString() : ""));
3412					if (callback != null) {
3413						callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3414					}
3415				}
3416			}
3417		});
3418	}
3419
3420	public void publishAvatarMetadata(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3421        final IqPacket packet = XmppConnectionService.this.mIqGenerator.publishAvatarMetadata(avatar, options);
3422        sendIqPacket(account, packet, new OnIqPacketReceived() {
3423            @Override
3424            public void onIqPacketReceived(Account account, IqPacket result) {
3425                if (result.getType() == IqPacket.TYPE.RESULT) {
3426                    if (account.setAvatar(avatar.getFilename())) {
3427                        getAvatarService().clear(account);
3428                        databaseBackend.updateAccount(account);
3429                        notifyAccountAvatarHasChanged(account);
3430                    }
3431                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": published avatar " + (avatar.size / 1024) + "KiB");
3432                    if (callback != null) {
3433                        callback.onAvatarPublicationSucceeded();
3434                    }
3435                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3436                    pushNodeConfiguration(account, "urn:xmpp:avatar:metadata", options, new OnConfigurationPushed() {
3437                        @Override
3438                        public void onPushSucceeded() {
3439                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": changed node configuration for avatar meta data node");
3440                            publishAvatarMetadata(account, avatar, options,false, callback);
3441                        }
3442
3443                        @Override
3444                        public void onPushFailed() {
3445                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to change node configuration for avatar meta data node");
3446                            publishAvatarMetadata(account, avatar,  null,false, callback);
3447                        }
3448                    });
3449                } else {
3450                    if (callback != null) {
3451                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3452                    }
3453                }
3454            }
3455        });
3456    }
3457
3458	public void republishAvatarIfNeeded(Account account) {
3459		if (account.getAxolotlService().isPepBroken()) {
3460			Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping republication of avatar because pep is broken");
3461			return;
3462		}
3463		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3464		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3465
3466			private Avatar parseAvatar(IqPacket packet) {
3467				Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3468				if (pubsub != null) {
3469					Element items = pubsub.findChild("items");
3470					if (items != null) {
3471						return Avatar.parseMetadata(items);
3472					}
3473				}
3474				return null;
3475			}
3476
3477			private boolean errorIsItemNotFound(IqPacket packet) {
3478				Element error = packet.findChild("error");
3479				return packet.getType() == IqPacket.TYPE.ERROR
3480						&& error != null
3481						&& error.hasChild("item-not-found");
3482			}
3483
3484			@Override
3485			public void onIqPacketReceived(Account account, IqPacket packet) {
3486				if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
3487					Avatar serverAvatar = parseAvatar(packet);
3488					if (serverAvatar == null && account.getAvatar() != null) {
3489						Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
3490						if (avatar != null) {
3491							Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar on server was null. republishing");
3492							publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
3493						} else {
3494							Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": error rereading avatar");
3495						}
3496					}
3497				}
3498			}
3499		});
3500	}
3501
3502	public void fetchAvatar(Account account, Avatar avatar) {
3503		fetchAvatar(account, avatar, null);
3504	}
3505
3506	public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3507		final String KEY = generateFetchKey(account, avatar);
3508		synchronized (this.mInProgressAvatarFetches) {
3509		    if (mInProgressAvatarFetches.add(KEY)) {
3510                switch (avatar.origin) {
3511                    case PEP:
3512                        this.mInProgressAvatarFetches.add(KEY);
3513                        fetchAvatarPep(account, avatar, callback);
3514                        break;
3515                    case VCARD:
3516                        this.mInProgressAvatarFetches.add(KEY);
3517                        fetchAvatarVcard(account, avatar, callback);
3518                        break;
3519                }
3520            } else if (avatar.origin == Avatar.Origin.PEP) {
3521		        mOmittedPepAvatarFetches.add(KEY);
3522            } else {
3523		        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": already fetching "+avatar.origin+" avatar for "+avatar.owner);
3524            }
3525		}
3526	}
3527
3528	private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3529		IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
3530		sendIqPacket(account, packet, (a, result) -> {
3531			synchronized (mInProgressAvatarFetches) {
3532				mInProgressAvatarFetches.remove(generateFetchKey(a, avatar));
3533			}
3534			final String ERROR = a.getJid().asBareJid() + ": fetching avatar for " + avatar.owner + " failed ";
3535			if (result.getType() == IqPacket.TYPE.RESULT) {
3536				avatar.image = mIqParser.avatarData(result);
3537				if (avatar.image != null) {
3538					if (getFileBackend().save(avatar)) {
3539						if (a.getJid().asBareJid().equals(avatar.owner)) {
3540							if (a.setAvatar(avatar.getFilename())) {
3541								databaseBackend.updateAccount(a);
3542							}
3543							getAvatarService().clear(a);
3544							updateConversationUi();
3545							updateAccountUi();
3546						} else {
3547							Contact contact = a.getRoster().getContact(avatar.owner);
3548							if (contact.setAvatar(avatar)) {
3549								syncRoster(account);
3550								getAvatarService().clear(contact);
3551								updateConversationUi();
3552								updateRosterUi();
3553							}
3554						}
3555						if (callback != null) {
3556							callback.success(avatar);
3557						}
3558						Log.d(Config.LOGTAG, a.getJid().asBareJid()
3559								+ ": successfully fetched pep avatar for " + avatar.owner);
3560						return;
3561					}
3562				} else {
3563
3564					Log.d(Config.LOGTAG, ERROR + "(parsing error)");
3565				}
3566			} else {
3567				Element error = result.findChild("error");
3568				if (error == null) {
3569					Log.d(Config.LOGTAG, ERROR + "(server error)");
3570				} else {
3571					Log.d(Config.LOGTAG, ERROR + error.toString());
3572				}
3573			}
3574			if (callback != null) {
3575				callback.error(0, null);
3576			}
3577
3578		});
3579	}
3580
3581	private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3582		IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
3583		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3584			@Override
3585			public void onIqPacketReceived(Account account, IqPacket packet) {
3586			    final boolean previouslyOmittedPepFetch;
3587				synchronized (mInProgressAvatarFetches) {
3588				    final String KEY = generateFetchKey(account, avatar);
3589					mInProgressAvatarFetches.remove(KEY);
3590					previouslyOmittedPepFetch = mOmittedPepAvatarFetches.remove(KEY);
3591				}
3592				if (packet.getType() == IqPacket.TYPE.RESULT) {
3593					Element vCard = packet.findChild("vCard", "vcard-temp");
3594					Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
3595					String image = photo != null ? photo.findChildContent("BINVAL") : null;
3596					if (image != null) {
3597						avatar.image = image;
3598						if (getFileBackend().save(avatar)) {
3599							Log.d(Config.LOGTAG, account.getJid().asBareJid()
3600									+ ": successfully fetched vCard avatar for " + avatar.owner+" omittedPep="+previouslyOmittedPepFetch);
3601							if (avatar.owner.isBareJid()) {
3602								if (account.getJid().asBareJid().equals(avatar.owner) && account.getAvatar() == null) {
3603									Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": had no avatar. replacing with vcard");
3604									account.setAvatar(avatar.getFilename());
3605									databaseBackend.updateAccount(account);
3606									getAvatarService().clear(account);
3607									updateAccountUi();
3608								} else {
3609									Contact contact = account.getRoster().getContact(avatar.owner);
3610									if (contact.setAvatar(avatar, previouslyOmittedPepFetch)) {
3611										syncRoster(account);
3612										getAvatarService().clear(contact);
3613										updateRosterUi();
3614									}
3615								}
3616								updateConversationUi();
3617							} else {
3618								Conversation conversation = find(account, avatar.owner.asBareJid());
3619								if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
3620									MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
3621									if (user != null) {
3622										if (user.setAvatar(avatar)) {
3623											getAvatarService().clear(user);
3624											updateConversationUi();
3625											updateMucRosterUi();
3626										}
3627										if (user.getRealJid() != null) {
3628										    Contact contact = account.getRoster().getContact(user.getRealJid());
3629										    if (contact.setAvatar(avatar)) {
3630                                                syncRoster(account);
3631                                                getAvatarService().clear(contact);
3632                                                updateRosterUi();
3633                                            }
3634                                        }
3635									}
3636								}
3637							}
3638						}
3639					}
3640				}
3641			}
3642		});
3643	}
3644
3645	public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
3646		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3647		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3648
3649			@Override
3650			public void onIqPacketReceived(Account account, IqPacket packet) {
3651				if (packet.getType() == IqPacket.TYPE.RESULT) {
3652					Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3653					if (pubsub != null) {
3654						Element items = pubsub.findChild("items");
3655						if (items != null) {
3656							Avatar avatar = Avatar.parseMetadata(items);
3657							if (avatar != null) {
3658								avatar.owner = account.getJid().asBareJid();
3659								if (fileBackend.isAvatarCached(avatar)) {
3660									if (account.setAvatar(avatar.getFilename())) {
3661										databaseBackend.updateAccount(account);
3662									}
3663									getAvatarService().clear(account);
3664									callback.success(avatar);
3665								} else {
3666									fetchAvatarPep(account, avatar, callback);
3667								}
3668								return;
3669							}
3670						}
3671					}
3672				}
3673				callback.error(0, null);
3674			}
3675		});
3676	}
3677
3678	public void notifyAccountAvatarHasChanged(final Account account) {
3679	    final XmppConnection connection = account.getXmppConnection();
3680	    if (connection != null && connection.getFeatures().bookmarksConversion()) {
3681            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": avatar changed. resending presence to online group chats");
3682            for(Conversation conversation : conversations) {
3683                if (conversation.getAccount() == account && conversation.getMode() == Conversational.MODE_MULTI) {
3684                    final MucOptions mucOptions = conversation.getMucOptions();
3685                    if (mucOptions.online()) {
3686                        PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous());
3687                        packet.setTo(mucOptions.getSelf().getFullJid());
3688                        connection.sendPresencePacket(packet);
3689                    }
3690                }
3691            }
3692        }
3693    }
3694
3695	public void deleteContactOnServer(Contact contact) {
3696		contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
3697		contact.resetOption(Contact.Options.DIRTY_PUSH);
3698		contact.setOption(Contact.Options.DIRTY_DELETE);
3699		Account account = contact.getAccount();
3700		if (account.getStatus() == Account.State.ONLINE) {
3701			IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3702			Element item = iq.query(Namespace.ROSTER).addChild("item");
3703			item.setAttribute("jid", contact.getJid().toString());
3704			item.setAttribute("subscription", "remove");
3705			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3706		}
3707	}
3708
3709	public void updateConversation(final Conversation conversation) {
3710		mDatabaseWriterExecutor.execute(() -> databaseBackend.updateConversation(conversation));
3711	}
3712
3713	private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
3714		synchronized (account) {
3715			XmppConnection connection = account.getXmppConnection();
3716			if (connection == null) {
3717				connection = createConnection(account);
3718				account.setXmppConnection(connection);
3719			}
3720			boolean hasInternet = hasInternetConnection();
3721			if (account.isEnabled() && hasInternet) {
3722				if (!force) {
3723					disconnect(account, false);
3724				}
3725				Thread thread = new Thread(connection);
3726				connection.setInteractive(interactive);
3727				connection.prepareNewConnection();
3728				connection.interrupt();
3729				thread.start();
3730				scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
3731			} else {
3732				disconnect(account, force || account.getTrueStatus().isError() || !hasInternet);
3733				account.getRoster().clearPresences();
3734				connection.resetEverything();
3735				final AxolotlService axolotlService = account.getAxolotlService();
3736				if (axolotlService != null) {
3737					axolotlService.resetBrokenness();
3738				}
3739				if (!hasInternet) {
3740					account.setStatus(Account.State.NO_INTERNET);
3741				}
3742			}
3743		}
3744	}
3745
3746	public void reconnectAccountInBackground(final Account account) {
3747		new Thread(() -> reconnectAccount(account, false, true)).start();
3748	}
3749
3750	public void invite(Conversation conversation, Jid contact) {
3751		Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": inviting " + contact + " to " + conversation.getJid().asBareJid());
3752		MessagePacket packet = mMessageGenerator.invite(conversation, contact);
3753		sendMessagePacket(conversation.getAccount(), packet);
3754	}
3755
3756	public void directInvite(Conversation conversation, Jid jid) {
3757		MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
3758		sendMessagePacket(conversation.getAccount(), packet);
3759	}
3760
3761	public void resetSendingToWaiting(Account account) {
3762		for (Conversation conversation : getConversations()) {
3763			if (conversation.getAccount() == account) {
3764				conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
3765			}
3766		}
3767	}
3768
3769	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
3770		return markMessage(account, recipient, uuid, status, null);
3771	}
3772
3773	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
3774		if (uuid == null) {
3775			return null;
3776		}
3777		for (Conversation conversation : getConversations()) {
3778			if (conversation.getJid().asBareJid().equals(recipient) && conversation.getAccount() == account) {
3779				final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
3780				if (message != null) {
3781					markMessage(message, status, errorMessage);
3782				}
3783				return message;
3784			}
3785		}
3786		return null;
3787	}
3788
3789	public boolean markMessage(Conversation conversation, String uuid, int status, String serverMessageId) {
3790		if (uuid == null) {
3791			return false;
3792		} else {
3793			Message message = conversation.findSentMessageWithUuid(uuid);
3794			if (message != null) {
3795				if (message.getServerMsgId() == null) {
3796					message.setServerMsgId(serverMessageId);
3797				}
3798				markMessage(message, status);
3799				return true;
3800			} else {
3801				return false;
3802			}
3803		}
3804	}
3805
3806	public void markMessage(Message message, int status) {
3807		markMessage(message, status, null);
3808	}
3809
3810
3811	public void markMessage(Message message, int status, String errorMessage) {
3812		final int oldStatus = message.getStatus();
3813		if (status == Message.STATUS_SEND_FAILED && (oldStatus == Message.STATUS_SEND_RECEIVED || oldStatus == Message.STATUS_SEND_DISPLAYED)) {
3814			return;
3815		}
3816		if (status == Message.STATUS_SEND_RECEIVED && oldStatus == Message.STATUS_SEND_DISPLAYED) {
3817			return;
3818		}
3819		message.setErrorMessage(errorMessage);
3820		message.setStatus(status);
3821		databaseBackend.updateMessage(message, false);
3822		updateConversationUi();
3823	}
3824
3825	private SharedPreferences getPreferences() {
3826		return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
3827	}
3828
3829	public long getAutomaticMessageDeletionDate() {
3830		final long timeout = getLongPreference(SettingsActivity.AUTOMATIC_MESSAGE_DELETION, R.integer.automatic_message_deletion);
3831		return timeout == 0 ? timeout : (System.currentTimeMillis() - (timeout * 1000));
3832	}
3833
3834	public long getLongPreference(String name, @IntegerRes int res) {
3835		long defaultValue = getResources().getInteger(res);
3836		try {
3837			return Long.parseLong(getPreferences().getString(name, String.valueOf(defaultValue)));
3838		} catch (NumberFormatException e) {
3839			return defaultValue;
3840		}
3841	}
3842
3843	public boolean getBooleanPreference(String name, @BoolRes int res) {
3844		return getPreferences().getBoolean(name, getResources().getBoolean(res));
3845	}
3846
3847	public boolean confirmMessages() {
3848		return getBooleanPreference("confirm_messages", R.bool.confirm_messages);
3849	}
3850
3851	public boolean allowMessageCorrection() {
3852		return getBooleanPreference("allow_message_correction", R.bool.allow_message_correction);
3853	}
3854
3855	public boolean sendChatStates() {
3856		return getBooleanPreference("chat_states", R.bool.chat_states);
3857	}
3858
3859	private boolean synchronizeWithBookmarks() {
3860		return getBooleanPreference("autojoin", R.bool.autojoin);
3861	}
3862
3863	public boolean indicateReceived() {
3864		return getBooleanPreference("indicate_received", R.bool.indicate_received);
3865	}
3866
3867	public boolean useTorToConnect() {
3868		return QuickConversationsService.isConversations() && getBooleanPreference("use_tor", R.bool.use_tor);
3869	}
3870
3871	public boolean showExtendedConnectionOptions() {
3872		return QuickConversationsService.isConversations() && getBooleanPreference("show_connection_options", R.bool.show_connection_options);
3873	}
3874
3875	public boolean broadcastLastActivity() {
3876		return getBooleanPreference(SettingsActivity.BROADCAST_LAST_ACTIVITY, R.bool.last_activity);
3877	}
3878
3879	public int unreadCount() {
3880		int count = 0;
3881		for (Conversation conversation : getConversations()) {
3882			count += conversation.unreadCount();
3883		}
3884		return count;
3885	}
3886
3887
3888	private <T> List<T> threadSafeList(Set<T> set) {
3889		synchronized (LISTENER_LOCK) {
3890			return set.size() == 0 ? Collections.emptyList() : new ArrayList<>(set);
3891		}
3892	}
3893
3894	public void showErrorToastInUi(int resId) {
3895		for (OnShowErrorToast listener : threadSafeList(this.mOnShowErrorToasts)) {
3896			listener.onShowErrorToast(resId);
3897		}
3898	}
3899
3900	public void updateConversationUi() {
3901		for (OnConversationUpdate listener : threadSafeList(this.mOnConversationUpdates)) {
3902			listener.onConversationUpdate();
3903		}
3904	}
3905
3906	public void updateAccountUi() {
3907		for (OnAccountUpdate listener : threadSafeList(this.mOnAccountUpdates)) {
3908			listener.onAccountUpdate();
3909		}
3910	}
3911
3912	public void updateRosterUi() {
3913		for (OnRosterUpdate listener : threadSafeList(this.mOnRosterUpdates)) {
3914			listener.onRosterUpdate();
3915		}
3916	}
3917
3918	public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
3919		if (mOnCaptchaRequested.size() > 0) {
3920			DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
3921			Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
3922					(int) (captcha.getHeight() * metrics.scaledDensity), false);
3923			for (OnCaptchaRequested listener : threadSafeList(this.mOnCaptchaRequested)) {
3924				listener.onCaptchaRequested(account, id, data, scaled);
3925			}
3926			return true;
3927		}
3928		return false;
3929	}
3930
3931	public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
3932		for (OnUpdateBlocklist listener : threadSafeList(this.mOnUpdateBlocklist)) {
3933			listener.OnUpdateBlocklist(status);
3934		}
3935	}
3936
3937	public void updateMucRosterUi() {
3938		for (OnMucRosterUpdate listener : threadSafeList(this.mOnMucRosterUpdate)) {
3939			listener.onMucRosterUpdate();
3940		}
3941	}
3942
3943	public void keyStatusUpdated(AxolotlService.FetchStatus report) {
3944		for (OnKeyStatusUpdated listener : threadSafeList(this.mOnKeyStatusUpdated)) {
3945			listener.onKeyStatusUpdated(report);
3946		}
3947	}
3948
3949	public Account findAccountByJid(final Jid accountJid) {
3950		for (Account account : this.accounts) {
3951			if (account.getJid().asBareJid().equals(accountJid.asBareJid())) {
3952				return account;
3953			}
3954		}
3955		return null;
3956	}
3957
3958	public Account findAccountByUuid(final String uuid) {
3959		for(Account account : this.accounts) {
3960			if (account.getUuid().equals(uuid)) {
3961				return account;
3962			}
3963		}
3964		return null;
3965	}
3966
3967	public Conversation findConversationByUuid(String uuid) {
3968		for (Conversation conversation : getConversations()) {
3969			if (conversation.getUuid().equals(uuid)) {
3970				return conversation;
3971			}
3972		}
3973		return null;
3974	}
3975
3976	public Conversation findUniqueConversationByJid(XmppUri xmppUri) {
3977		List<Conversation> findings = new ArrayList<>();
3978		for (Conversation c : getConversations()) {
3979			if (c.getAccount().isEnabled() && c.getJid().asBareJid().equals(xmppUri.getJid()) && ((c.getMode() == Conversational.MODE_MULTI) == xmppUri.isAction(XmppUri.ACTION_JOIN))) {
3980				findings.add(c);
3981			}
3982		}
3983		return findings.size() == 1 ? findings.get(0) : null;
3984	}
3985
3986	public boolean markRead(final Conversation conversation, boolean dismiss) {
3987		return markRead(conversation, null, dismiss).size() > 0;
3988	}
3989
3990	public void markRead(final Conversation conversation) {
3991		markRead(conversation, null, true);
3992	}
3993
3994	public List<Message> markRead(final Conversation conversation, String upToUuid, boolean dismiss) {
3995		if (dismiss) {
3996			mNotificationService.clear(conversation);
3997		}
3998		final List<Message> readMessages = conversation.markRead(upToUuid);
3999		if (readMessages.size() > 0) {
4000			Runnable runnable = () -> {
4001				for (Message message : readMessages) {
4002					databaseBackend.updateMessage(message, false);
4003				}
4004			};
4005			mDatabaseWriterExecutor.execute(runnable);
4006			updateUnreadCountBadge();
4007			return readMessages;
4008		} else {
4009			return readMessages;
4010		}
4011	}
4012
4013	public synchronized void updateUnreadCountBadge() {
4014		int count = unreadCount();
4015		if (unreadCount != count) {
4016			Log.d(Config.LOGTAG, "update unread count to " + count);
4017			if (count > 0) {
4018				ShortcutBadger.applyCount(getApplicationContext(), count);
4019			} else {
4020				ShortcutBadger.removeCount(getApplicationContext());
4021			}
4022			unreadCount = count;
4023		}
4024	}
4025
4026	public void sendReadMarker(final Conversation conversation, String upToUuid) {
4027		final boolean isPrivateAndNonAnonymousMuc = conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous();
4028		final List<Message> readMessages = this.markRead(conversation, upToUuid, true);
4029		if (readMessages.size() > 0) {
4030			updateConversationUi();
4031		}
4032		final Message markable = Conversation.getLatestMarkableMessage(readMessages, isPrivateAndNonAnonymousMuc);
4033		if (confirmMessages()
4034				&& markable != null
4035				&& (markable.trusted() || isPrivateAndNonAnonymousMuc)
4036				&& markable.getRemoteMsgId() != null) {
4037			Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
4038			Account account = conversation.getAccount();
4039			final Jid to = markable.getCounterpart();
4040			final boolean groupChat = conversation.getMode() == Conversation.MODE_MULTI;
4041			MessagePacket packet = mMessageGenerator.confirm(account, to, markable.getRemoteMsgId(), markable.getCounterpart(), groupChat);
4042			this.sendMessagePacket(conversation.getAccount(), packet);
4043		}
4044	}
4045
4046	public SecureRandom getRNG() {
4047		return this.mRandom;
4048	}
4049
4050	public MemorizingTrustManager getMemorizingTrustManager() {
4051		return this.mMemorizingTrustManager;
4052	}
4053
4054	public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
4055		this.mMemorizingTrustManager = trustManager;
4056	}
4057
4058	public void updateMemorizingTrustmanager() {
4059		final MemorizingTrustManager tm;
4060		final boolean dontTrustSystemCAs = getBooleanPreference("dont_trust_system_cas", R.bool.dont_trust_system_cas);
4061		if (dontTrustSystemCAs) {
4062			tm = new MemorizingTrustManager(getApplicationContext(), null);
4063		} else {
4064			tm = new MemorizingTrustManager(getApplicationContext());
4065		}
4066		setMemorizingTrustManager(tm);
4067	}
4068
4069	public LruCache<String, Bitmap> getBitmapCache() {
4070		return this.mBitmapCache;
4071	}
4072
4073	public Collection<String> getKnownHosts() {
4074		final Set<String> hosts = new HashSet<>();
4075		for (final Account account : getAccounts()) {
4076			hosts.add(account.getServer());
4077			for (final Contact contact : account.getRoster().getContacts()) {
4078				if (contact.showInRoster()) {
4079					final String server = contact.getServer();
4080					if (server != null) {
4081						hosts.add(server);
4082					}
4083				}
4084			}
4085		}
4086		if (Config.QUICKSY_DOMAIN != null) {
4087		    hosts.remove(Config.QUICKSY_DOMAIN); //we only want to show this when we type a e164 number
4088        }
4089		if (Config.DOMAIN_LOCK != null) {
4090			hosts.add(Config.DOMAIN_LOCK);
4091		}
4092		if (Config.MAGIC_CREATE_DOMAIN != null) {
4093			hosts.add(Config.MAGIC_CREATE_DOMAIN);
4094		}
4095		return hosts;
4096	}
4097
4098	public Collection<String> getKnownConferenceHosts() {
4099		final Set<String> mucServers = new HashSet<>();
4100		for (final Account account : accounts) {
4101			if (account.getXmppConnection() != null) {
4102				mucServers.addAll(account.getXmppConnection().getMucServers());
4103				for (Bookmark bookmark : account.getBookmarks()) {
4104					final Jid jid = bookmark.getJid();
4105					final String s = jid == null ? null : jid.getDomain();
4106					if (s != null) {
4107						mucServers.add(s);
4108					}
4109				}
4110			}
4111		}
4112		return mucServers;
4113	}
4114
4115	public void sendMessagePacket(Account account, MessagePacket packet) {
4116		XmppConnection connection = account.getXmppConnection();
4117		if (connection != null) {
4118			connection.sendMessagePacket(packet);
4119		}
4120	}
4121
4122	public void sendPresencePacket(Account account, PresencePacket packet) {
4123		XmppConnection connection = account.getXmppConnection();
4124		if (connection != null) {
4125			connection.sendPresencePacket(packet);
4126		}
4127	}
4128
4129	public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
4130		final XmppConnection connection = account.getXmppConnection();
4131		if (connection != null) {
4132			IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
4133			connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener, true);
4134		}
4135	}
4136
4137	public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
4138		final XmppConnection connection = account.getXmppConnection();
4139		if (connection != null) {
4140			connection.sendIqPacket(packet, callback);
4141		} else if (callback != null) {
4142		    callback.onIqPacketReceived(account,new IqPacket(IqPacket.TYPE.TIMEOUT));
4143        }
4144	}
4145
4146	public void sendPresence(final Account account) {
4147		sendPresence(account, checkListeners() && broadcastLastActivity());
4148	}
4149
4150	private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
4151		Presence.Status status;
4152		if (manuallyChangePresence()) {
4153			status = account.getPresenceStatus();
4154		} else {
4155			status = getTargetPresence();
4156		}
4157		final PresencePacket packet = mPresenceGenerator.selfPresence(account, status);
4158		if (mLastActivity > 0 && includeIdleTimestamp) {
4159			long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
4160			packet.addChild("idle", Namespace.IDLE).setAttribute("since", AbstractGenerator.getTimestamp(since));
4161		}
4162		sendPresencePacket(account, packet);
4163	}
4164
4165	private void deactivateGracePeriod() {
4166		for (Account account : getAccounts()) {
4167			account.deactivateGracePeriod();
4168		}
4169	}
4170
4171	public void refreshAllPresences() {
4172		boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
4173		for (Account account : getAccounts()) {
4174			if (account.isEnabled()) {
4175				sendPresence(account, includeIdleTimestamp);
4176			}
4177		}
4178	}
4179
4180	private void refreshAllFcmTokens() {
4181		for (Account account : getAccounts()) {
4182			if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
4183				mPushManagementService.registerPushTokenOnServer(account);
4184				//TODO renew mucs
4185			}
4186		}
4187	}
4188
4189	private void sendOfflinePresence(final Account account) {
4190		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending offline presence");
4191		sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
4192	}
4193
4194	public MessageGenerator getMessageGenerator() {
4195		return this.mMessageGenerator;
4196	}
4197
4198	public PresenceGenerator getPresenceGenerator() {
4199		return this.mPresenceGenerator;
4200	}
4201
4202	public IqGenerator getIqGenerator() {
4203		return this.mIqGenerator;
4204	}
4205
4206	public IqParser getIqParser() {
4207		return this.mIqParser;
4208	}
4209
4210	public JingleConnectionManager getJingleConnectionManager() {
4211		return this.mJingleConnectionManager;
4212	}
4213
4214	public MessageArchiveService getMessageArchiveService() {
4215		return this.mMessageArchiveService;
4216	}
4217
4218	public QuickConversationsService getQuickConversationsService() {
4219        return this.mQuickConversationsService;
4220    }
4221
4222	public List<Contact> findContacts(Jid jid, String accountJid) {
4223		ArrayList<Contact> contacts = new ArrayList<>();
4224		for (Account account : getAccounts()) {
4225			if ((account.isEnabled() || accountJid != null)
4226					&& (accountJid == null || accountJid.equals(account.getJid().asBareJid().toString()))) {
4227				Contact contact = account.getRoster().getContactFromContactList(jid);
4228				if (contact != null) {
4229					contacts.add(contact);
4230				}
4231			}
4232		}
4233		return contacts;
4234	}
4235
4236	public Conversation findFirstMuc(Jid jid) {
4237		for (Conversation conversation : getConversations()) {
4238			if (conversation.getAccount().isEnabled() && conversation.getJid().asBareJid().equals(jid.asBareJid()) && conversation.getMode() == Conversation.MODE_MULTI) {
4239				return conversation;
4240			}
4241		}
4242		return null;
4243	}
4244
4245	public NotificationService getNotificationService() {
4246		return this.mNotificationService;
4247	}
4248
4249	public HttpConnectionManager getHttpConnectionManager() {
4250		return this.mHttpConnectionManager;
4251	}
4252
4253	public void resendFailedMessages(final Message message) {
4254		final Collection<Message> messages = new ArrayList<>();
4255		Message current = message;
4256		while (current.getStatus() == Message.STATUS_SEND_FAILED) {
4257			messages.add(current);
4258			if (current.mergeable(current.next())) {
4259				current = current.next();
4260			} else {
4261				break;
4262			}
4263		}
4264		for (final Message msg : messages) {
4265			msg.setTime(System.currentTimeMillis());
4266			markMessage(msg, Message.STATUS_WAITING);
4267			this.resendMessage(msg, false);
4268		}
4269		if (message.getConversation() instanceof Conversation) {
4270			((Conversation) message.getConversation()).sort();
4271		}
4272		updateConversationUi();
4273	}
4274
4275	public void clearConversationHistory(final Conversation conversation) {
4276		final long clearDate;
4277		final String reference;
4278		if (conversation.countMessages() > 0) {
4279			Message latestMessage = conversation.getLatestMessage();
4280			clearDate = latestMessage.getTimeSent() + 1000;
4281			reference = latestMessage.getServerMsgId();
4282		} else {
4283			clearDate = System.currentTimeMillis();
4284			reference = null;
4285		}
4286		conversation.clearMessages();
4287		conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
4288		conversation.setLastClearHistory(clearDate, reference);
4289		Runnable runnable = () -> {
4290			databaseBackend.deleteMessagesInConversation(conversation);
4291			databaseBackend.updateConversation(conversation);
4292		};
4293		mDatabaseWriterExecutor.execute(runnable);
4294	}
4295
4296	public boolean sendBlockRequest(final Blockable blockable, boolean reportSpam) {
4297		if (blockable != null && blockable.getBlockedJid() != null) {
4298			final Jid jid = blockable.getBlockedJid();
4299			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), (a, response) -> {
4300                if (response.getType() == IqPacket.TYPE.RESULT) {
4301                    a.getBlocklist().add(jid);
4302                    updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
4303                }
4304            });
4305			if (blockable.getBlockedJid().isFullJid()) {
4306			    return false;
4307            } else if (removeBlockedConversations(blockable.getAccount(), jid)) {
4308				updateConversationUi();
4309				return true;
4310			} else {
4311				return false;
4312			}
4313		} else {
4314			return false;
4315		}
4316	}
4317
4318	public boolean removeBlockedConversations(final Account account, final Jid blockedJid) {
4319		boolean removed = false;
4320		synchronized (this.conversations) {
4321			boolean domainJid = blockedJid.getLocal() == null;
4322			for (Conversation conversation : this.conversations) {
4323				boolean jidMatches = (domainJid && blockedJid.getDomain().equals(conversation.getJid().getDomain()))
4324						|| blockedJid.equals(conversation.getJid().asBareJid());
4325				if (conversation.getAccount() == account
4326						&& conversation.getMode() == Conversation.MODE_SINGLE
4327						&& jidMatches) {
4328					this.conversations.remove(conversation);
4329					markRead(conversation);
4330					conversation.setStatus(Conversation.STATUS_ARCHIVED);
4331					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conversation " + conversation.getJid().asBareJid() + " because jid was blocked");
4332					updateConversation(conversation);
4333					removed = true;
4334				}
4335			}
4336		}
4337		return removed;
4338	}
4339
4340	public void sendUnblockRequest(final Blockable blockable) {
4341		if (blockable != null && blockable.getJid() != null) {
4342			final Jid jid = blockable.getBlockedJid();
4343			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
4344				@Override
4345				public void onIqPacketReceived(final Account account, final IqPacket packet) {
4346					if (packet.getType() == IqPacket.TYPE.RESULT) {
4347						account.getBlocklist().remove(jid);
4348						updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
4349					}
4350				}
4351			});
4352		}
4353	}
4354
4355	public void publishDisplayName(Account account) {
4356		String displayName = account.getDisplayName();
4357		final IqPacket request;
4358		if (TextUtils.isEmpty(displayName)) {
4359            request = mIqGenerator.deleteNode(Namespace.NICK);
4360		} else {
4361            request = mIqGenerator.publishNick(displayName);
4362        }
4363        mAvatarService.clear(account);
4364        sendIqPacket(account, request, (account1, packet) -> {
4365            if (packet.getType() == IqPacket.TYPE.ERROR) {
4366                Log.d(Config.LOGTAG, account1.getJid().asBareJid() + ": unable to modify nick name "+packet.toString());
4367            }
4368        });
4369	}
4370
4371	public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
4372		ServiceDiscoveryResult result = discoCache.get(key);
4373		if (result != null) {
4374			return result;
4375		} else {
4376			result = databaseBackend.findDiscoveryResult(key.first, key.second);
4377			if (result != null) {
4378				discoCache.put(key, result);
4379			}
4380			return result;
4381		}
4382	}
4383
4384	public void fetchCaps(Account account, final Jid jid, final Presence presence) {
4385		final Pair<String, String> key = new Pair<>(presence.getHash(), presence.getVer());
4386		ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
4387		if (disco != null) {
4388			presence.setServiceDiscoveryResult(disco);
4389		} else {
4390			if (!account.inProgressDiscoFetches.contains(key)) {
4391				account.inProgressDiscoFetches.add(key);
4392				IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4393				request.setTo(jid);
4394				final String node = presence.getNode();
4395				final String ver = presence.getVer();
4396				final Element query = request.query("http://jabber.org/protocol/disco#info");
4397				if (node != null && ver != null) {
4398					query.setAttribute("node",node+"#"+ver);
4399				}
4400				Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": making disco request for " + key.second + " to " + jid);
4401				sendIqPacket(account, request, (a, response) -> {
4402					if (response.getType() == IqPacket.TYPE.RESULT) {
4403						ServiceDiscoveryResult discoveryResult = new ServiceDiscoveryResult(response);
4404						if (presence.getVer().equals(discoveryResult.getVer())) {
4405							databaseBackend.insertDiscoveryResult(discoveryResult);
4406							injectServiceDiscoveryResult(a.getRoster(), presence.getHash(), presence.getVer(), discoveryResult);
4407						} else {
4408							Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + discoveryResult.getVer());
4409						}
4410					}
4411					a.inProgressDiscoFetches.remove(key);
4412				});
4413			}
4414		}
4415	}
4416
4417	private void injectServiceDiscoveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
4418		for (Contact contact : roster.getContacts()) {
4419			for (Presence presence : contact.getPresences().getPresences().values()) {
4420				if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
4421					presence.setServiceDiscoveryResult(disco);
4422				}
4423			}
4424		}
4425	}
4426
4427	public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
4428		final MessageArchiveService.Version version = MessageArchiveService.Version.get(account);
4429		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4430		request.addChild("prefs", version.namespace);
4431		sendIqPacket(account, request, (account1, packet) -> {
4432			Element prefs = packet.findChild("prefs", version.namespace);
4433			if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
4434				callback.onPreferencesFetched(prefs);
4435			} else {
4436				callback.onPreferencesFetchFailed();
4437			}
4438		});
4439	}
4440
4441	public PushManagementService getPushManagementService() {
4442		return mPushManagementService;
4443	}
4444
4445	public void changeStatus(Account account, PresenceTemplate template, String signature) {
4446		if (!template.getStatusMessage().isEmpty()) {
4447			databaseBackend.insertPresenceTemplate(template);
4448		}
4449		account.setPgpSignature(signature);
4450		account.setPresenceStatus(template.getStatus());
4451		account.setPresenceStatusMessage(template.getStatusMessage());
4452		databaseBackend.updateAccount(account);
4453		sendPresence(account);
4454	}
4455
4456	public List<PresenceTemplate> getPresenceTemplates(Account account) {
4457		List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
4458		for (PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
4459			if (!templates.contains(template)) {
4460				templates.add(0, template);
4461			}
4462		}
4463		return templates;
4464	}
4465
4466	public void saveConversationAsBookmark(Conversation conversation, String name) {
4467		final Account account = conversation.getAccount();
4468		final Bookmark bookmark = new Bookmark(account, conversation.getJid().asBareJid());
4469		final String nick = conversation.getJid().getResource();
4470        if (nick != null && !nick.isEmpty() && !nick.equals(MucOptions.defaultNick(account))) {
4471            bookmark.setNick(nick);
4472        }
4473		if (!TextUtils.isEmpty(name)) {
4474			bookmark.setBookmarkName(name);
4475		}
4476		bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
4477		createBookmark(account, bookmark);
4478		bookmark.setConversation(conversation);
4479	}
4480
4481	public boolean verifyFingerprints(Contact contact, List<XmppUri.Fingerprint> fingerprints) {
4482		boolean performedVerification = false;
4483		final AxolotlService axolotlService = contact.getAccount().getAxolotlService();
4484		for (XmppUri.Fingerprint fp : fingerprints) {
4485			if (fp.type == XmppUri.FingerprintType.OMEMO) {
4486				String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4487				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4488				if (fingerprintStatus != null) {
4489					if (!fingerprintStatus.isVerified()) {
4490						performedVerification = true;
4491						axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4492					}
4493				} else {
4494					axolotlService.preVerifyFingerprint(contact, fingerprint);
4495				}
4496			}
4497		}
4498		return performedVerification;
4499	}
4500
4501	public boolean verifyFingerprints(Account account, List<XmppUri.Fingerprint> fingerprints) {
4502		final AxolotlService axolotlService = account.getAxolotlService();
4503		boolean verifiedSomething = false;
4504		for (XmppUri.Fingerprint fp : fingerprints) {
4505			if (fp.type == XmppUri.FingerprintType.OMEMO) {
4506				String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4507				Log.d(Config.LOGTAG, "trying to verify own fp=" + fingerprint);
4508				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4509				if (fingerprintStatus != null) {
4510					if (!fingerprintStatus.isVerified()) {
4511						axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4512						verifiedSomething = true;
4513					}
4514				} else {
4515					axolotlService.preVerifyFingerprint(account, fingerprint);
4516					verifiedSomething = true;
4517				}
4518			}
4519		}
4520		return verifiedSomething;
4521	}
4522
4523	public boolean blindTrustBeforeVerification() {
4524		return getBooleanPreference(SettingsActivity.BLIND_TRUST_BEFORE_VERIFICATION, R.bool.btbv);
4525	}
4526
4527	public ShortcutService getShortcutService() {
4528		return mShortcutService;
4529	}
4530
4531	public void pushMamPreferences(Account account, Element prefs) {
4532		IqPacket set = new IqPacket(IqPacket.TYPE.SET);
4533		set.addChild(prefs);
4534		sendIqPacket(account, set, null);
4535	}
4536
4537	public interface OnMamPreferencesFetched {
4538		void onPreferencesFetched(Element prefs);
4539
4540		void onPreferencesFetchFailed();
4541	}
4542
4543	public interface OnAccountCreated {
4544		void onAccountCreated(Account account);
4545
4546		void informUser(int r);
4547	}
4548
4549	public interface OnMoreMessagesLoaded {
4550		void onMoreMessagesLoaded(int count, Conversation conversation);
4551
4552		void informUser(int r);
4553	}
4554
4555	public interface OnAccountPasswordChanged {
4556		void onPasswordChangeSucceeded();
4557
4558		void onPasswordChangeFailed();
4559	}
4560
4561    public interface OnRoomDestroy {
4562        void onRoomDestroySucceeded();
4563
4564        void onRoomDestroyFailed();
4565    }
4566
4567	public interface OnAffiliationChanged {
4568		void onAffiliationChangedSuccessful(Jid jid);
4569
4570		void onAffiliationChangeFailed(Jid jid, int resId);
4571	}
4572
4573	public interface OnConversationUpdate {
4574		void onConversationUpdate();
4575	}
4576
4577	public interface OnAccountUpdate {
4578		void onAccountUpdate();
4579	}
4580
4581	public interface OnCaptchaRequested {
4582		void onCaptchaRequested(Account account, String id, Data data, Bitmap captcha);
4583	}
4584
4585	public interface OnRosterUpdate {
4586		void onRosterUpdate();
4587	}
4588
4589	public interface OnMucRosterUpdate {
4590		void onMucRosterUpdate();
4591	}
4592
4593	public interface OnConferenceConfigurationFetched {
4594		void onConferenceConfigurationFetched(Conversation conversation);
4595
4596		void onFetchFailed(Conversation conversation, Element error);
4597	}
4598
4599	public interface OnConferenceJoined {
4600		void onConferenceJoined(Conversation conversation);
4601	}
4602
4603	public interface OnConfigurationPushed {
4604		void onPushSucceeded();
4605
4606		void onPushFailed();
4607	}
4608
4609	public interface OnShowErrorToast {
4610		void onShowErrorToast(int resId);
4611	}
4612
4613	public class XmppConnectionBinder extends Binder {
4614		public XmppConnectionService getService() {
4615			return XmppConnectionService.this;
4616		}
4617	}
4618
4619	private class InternalEventReceiver extends BroadcastReceiver {
4620
4621        @Override
4622        public void onReceive(Context context, Intent intent) {
4623            onStartCommand(intent,0,0);
4624        }
4625    }
4626}