XmppConnectionService.java

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