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