XmppConnectionService.java

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