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