XmppConnectionService.java

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