XmppConnectionService.java

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