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