XmppConnectionService.java

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