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 && account.getXmppConnection().isMamPreferenceAlways()) {
 311                sendIqPacket(account, mIqGenerator.purgeOfflineMessages(), (acc, packet) -> {
 312                    if (packet.getType() == IqPacket.TYPE.RESULT) {
 313                        Log.d(Config.LOGTAG, acc.getJid().asBareJid() + ": successfully purged offline messages");
 314                    }
 315                });
 316            }
 317            sendPresence(account);
 318            if (mPushManagementService.available(account)) {
 319                mPushManagementService.registerPushTokenOnServer(account);
 320            }
 321            connectMultiModeConversations(account);
 322            syncDirtyContacts(account);
 323        }
 324    };
 325    private AtomicLong mLastExpiryRun = new AtomicLong(0);
 326    private SecureRandom mRandom;
 327    private LruCache<Pair<String, String>, ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 328    private OnStatusChanged statusListener = new OnStatusChanged() {
 329
 330        @Override
 331        public void onStatusChanged(final Account account) {
 332            XmppConnection connection = account.getXmppConnection();
 333            updateAccountUi();
 334
 335            if (account.getStatus() == Account.State.ONLINE || account.getStatus().isError()) {
 336                mQuickConversationsService.signalAccountStateChange();
 337            }
 338
 339            if (account.getStatus() == Account.State.ONLINE) {
 340                synchronized (mLowPingTimeoutMode) {
 341                    if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 342                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 343                    }
 344                }
 345                if (account.setShowErrorNotification(true)) {
 346                    databaseBackend.updateAccount(account);
 347                }
 348                mMessageArchiveService.executePendingQueries(account);
 349                if (connection != null && connection.getFeatures().csi()) {
 350                    if (checkListeners()) {
 351                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//inactive");
 352                        connection.sendInactive();
 353                    } else {
 354                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//active");
 355                        connection.sendActive();
 356                    }
 357                }
 358                List<Conversation> conversations = getConversations();
 359                for (Conversation conversation : conversations) {
 360                    if (conversation.getAccount() == account && !account.pendingConferenceJoins.contains(conversation)) {
 361                        sendUnsentMessages(conversation);
 362                    }
 363                }
 364                for (Conversation conversation : account.pendingConferenceLeaves) {
 365                    leaveMuc(conversation);
 366                }
 367                account.pendingConferenceLeaves.clear();
 368                for (Conversation conversation : account.pendingConferenceJoins) {
 369                    joinMuc(conversation);
 370                }
 371                account.pendingConferenceJoins.clear();
 372                scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 373            } else if (account.getStatus() == Account.State.OFFLINE || account.getStatus() == Account.State.DISABLED) {
 374                resetSendingToWaiting(account);
 375                if (account.isEnabled() && isInLowPingTimeoutMode(account)) {
 376                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": went into offline state during low ping mode. reconnecting now");
 377                    reconnectAccount(account, true, false);
 378                } else {
 379                    int timeToReconnect = mRandom.nextInt(10) + 2;
 380                    scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 381                }
 382            } else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 383                databaseBackend.updateAccount(account);
 384                reconnectAccount(account, true, false);
 385            } else if (account.getStatus() != Account.State.CONNECTING && account.getStatus() != Account.State.NO_INTERNET) {
 386                resetSendingToWaiting(account);
 387                if (connection != null && account.getStatus().isAttemptReconnect()) {
 388                    final int next = connection.getTimeToNextAttempt();
 389                    final boolean lowPingTimeoutMode = isInLowPingTimeoutMode(account);
 390                    if (next <= 0) {
 391                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. reconnecting now. lowPingTimeout=" + Boolean.toString(lowPingTimeoutMode));
 392                        reconnectAccount(account, true, false);
 393                    } else {
 394                        final int attempt = connection.getAttempt() + 1;
 395                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. try again in " + next + "s for the " + attempt + " time. lowPingTimeout=" + Boolean.toString(lowPingTimeoutMode));
 396                        scheduleWakeUpCall(next, account.getUuid().hashCode());
 397                    }
 398                }
 399            }
 400            getNotificationService().updateErrorNotification();
 401        }
 402    };
 403    private OpenPgpServiceConnection pgpServiceConnection;
 404    private PgpEngine mPgpEngine = null;
 405    private WakeLock wakeLock;
 406    private PowerManager pm;
 407    private LruCache<String, Bitmap> mBitmapCache;
 408    private BroadcastReceiver mInternalEventReceiver = new InternalEventReceiver();
 409    private BroadcastReceiver mInternalScreenEventReceiver = new InternalEventReceiver();
 410
 411    private static String generateFetchKey(Account account, final Avatar avatar) {
 412        return account.getJid().asBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 413    }
 414
 415    private boolean isInLowPingTimeoutMode(Account account) {
 416        synchronized (mLowPingTimeoutMode) {
 417            return mLowPingTimeoutMode.contains(account.getJid().asBareJid());
 418        }
 419    }
 420
 421    public void startForcingForegroundNotification() {
 422        mForceForegroundService.set(true);
 423        toggleForegroundService();
 424    }
 425
 426    public void stopForcingForegroundNotification() {
 427        mForceForegroundService.set(false);
 428        toggleForegroundService();
 429    }
 430
 431    public boolean areMessagesInitialized() {
 432        return this.restoredFromDatabaseLatch.getCount() == 0;
 433    }
 434
 435    public PgpEngine getPgpEngine() {
 436        if (!Config.supportOpenPgp()) {
 437            return null;
 438        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 439            if (this.mPgpEngine == null) {
 440                this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 441                        getApplicationContext(),
 442                        pgpServiceConnection.getService()), this);
 443            }
 444            return mPgpEngine;
 445        } else {
 446            return null;
 447        }
 448
 449    }
 450
 451    public OpenPgpApi getOpenPgpApi() {
 452        if (!Config.supportOpenPgp()) {
 453            return null;
 454        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 455            return new OpenPgpApi(this, pgpServiceConnection.getService());
 456        } else {
 457            return null;
 458        }
 459    }
 460
 461    public FileBackend getFileBackend() {
 462        return this.fileBackend;
 463    }
 464
 465    public AvatarService getAvatarService() {
 466        return this.mAvatarService;
 467    }
 468
 469    public void attachLocationToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 470        int encryption = conversation.getNextEncryption();
 471        if (encryption == Message.ENCRYPTION_PGP) {
 472            encryption = Message.ENCRYPTION_DECRYPTED;
 473        }
 474        Message message = new Message(conversation, uri.toString(), encryption);
 475        if (conversation.getNextCounterpart() != null) {
 476            message.setCounterpart(conversation.getNextCounterpart());
 477        }
 478        if (encryption == Message.ENCRYPTION_DECRYPTED) {
 479            getPgpEngine().encrypt(message, callback);
 480        } else {
 481            sendMessage(message);
 482            callback.success(message);
 483        }
 484    }
 485
 486    public void attachFileToConversation(final Conversation conversation, final Uri uri, final String type, final UiCallback<Message> callback) {
 487        final Message message;
 488        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 489            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 490        } else {
 491            message = new Message(conversation, "", conversation.getNextEncryption());
 492        }
 493        message.setCounterpart(conversation.getNextCounterpart());
 494        message.setType(Message.TYPE_FILE);
 495        final AttachFileToConversationRunnable runnable = new AttachFileToConversationRunnable(this, uri, type, message, callback);
 496        if (runnable.isVideoMessage()) {
 497            mVideoCompressionExecutor.execute(runnable);
 498        } else {
 499            mFileAddingExecutor.execute(runnable);
 500        }
 501    }
 502
 503    public void attachImageToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 504        final String mimeType = MimeUtils.guessMimeTypeFromUri(this, uri);
 505        final String compressPictures = getCompressPicturesPreference();
 506
 507        if ("never".equals(compressPictures)
 508                || ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))
 509                || (mimeType != null && mimeType.endsWith("/gif"))
 510                || getFileBackend().unusualBounds(uri)) {
 511            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": not compressing picture. sending as file");
 512            attachFileToConversation(conversation, uri, mimeType, callback);
 513            return;
 514        }
 515        final Message message;
 516        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 517            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 518        } else {
 519            message = new Message(conversation, "", conversation.getNextEncryption());
 520        }
 521        message.setCounterpart(conversation.getNextCounterpart());
 522        message.setType(Message.TYPE_IMAGE);
 523        mFileAddingExecutor.execute(() -> {
 524            try {
 525                getFileBackend().copyImageToPrivateStorage(message, uri);
 526                if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 527                    final PgpEngine pgpEngine = getPgpEngine();
 528                    if (pgpEngine != null) {
 529                        pgpEngine.encrypt(message, callback);
 530                    } else if (callback != null) {
 531                        callback.error(R.string.unable_to_connect_to_keychain, null);
 532                    }
 533                } else {
 534                    sendMessage(message);
 535                    callback.success(message);
 536                }
 537            } catch (final FileBackend.FileCopyException e) {
 538                callback.error(e.getResId(), message);
 539            }
 540        });
 541    }
 542
 543    public Conversation find(Bookmark bookmark) {
 544        return find(bookmark.getAccount(), bookmark.getJid());
 545    }
 546
 547    public Conversation find(final Account account, final Jid jid) {
 548        return find(getConversations(), account, jid);
 549    }
 550
 551    public boolean isMuc(final Account account, final Jid jid) {
 552        final Conversation c = find(account, jid);
 553        return c != null && c.getMode() == Conversational.MODE_MULTI;
 554    }
 555
 556    public void search(List<String> term, OnSearchResultsAvailable onSearchResultsAvailable) {
 557        MessageSearchTask.search(this, term, onSearchResultsAvailable);
 558    }
 559
 560    @Override
 561    public int onStartCommand(Intent intent, int flags, int startId) {
 562        final String action = intent == null ? null : intent.getAction();
 563        final boolean needsForegroundService = intent != null && intent.getBooleanExtra(EventReceiver.EXTRA_NEEDS_FOREGROUND_SERVICE, false);
 564        if (needsForegroundService) {
 565            Log.d(Config.LOGTAG,"toggle forced foreground service after receiving event");
 566            toggleForegroundService(true);
 567        }
 568        String pushedAccountHash = null;
 569        boolean interactive = false;
 570        if (action != null) {
 571            final String uuid = intent.getStringExtra("uuid");
 572            switch (action) {
 573                case ConnectivityManager.CONNECTIVITY_ACTION:
 574                    if (hasInternetConnection() && Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 575                        resetAllAttemptCounts(true, false);
 576                    }
 577                    break;
 578                case Intent.ACTION_SHUTDOWN:
 579                    logoutAndSave(true);
 580                    return START_NOT_STICKY;
 581                case ACTION_CLEAR_NOTIFICATION:
 582                    mNotificationExecutor.execute(() -> {
 583                        try {
 584                            final Conversation c = findConversationByUuid(uuid);
 585                            if (c != null) {
 586                                mNotificationService.clear(c);
 587                            } else {
 588                                mNotificationService.clear();
 589                            }
 590                            restoredFromDatabaseLatch.await();
 591
 592                        } catch (InterruptedException e) {
 593                            Log.d(Config.LOGTAG, "unable to process clear notification");
 594                        }
 595                    });
 596                    break;
 597                case ACTION_DISMISS_ERROR_NOTIFICATIONS:
 598                    dismissErrorNotifications();
 599                    break;
 600                case ACTION_TRY_AGAIN:
 601                    resetAllAttemptCounts(false, true);
 602                    interactive = true;
 603                    break;
 604                case ACTION_REPLY_TO_CONVERSATION:
 605                    Bundle remoteInput = RemoteInput.getResultsFromIntent(intent);
 606                    if (remoteInput == null) {
 607                        break;
 608                    }
 609                    final CharSequence body = remoteInput.getCharSequence("text_reply");
 610                    final boolean dismissNotification = intent.getBooleanExtra("dismiss_notification", false);
 611                    if (body == null || body.length() <= 0) {
 612                        break;
 613                    }
 614                    mNotificationExecutor.execute(() -> {
 615                        try {
 616                            restoredFromDatabaseLatch.await();
 617                            final Conversation c = findConversationByUuid(uuid);
 618                            if (c != null) {
 619                                directReply(c, body.toString(), dismissNotification);
 620                            }
 621                        } catch (InterruptedException e) {
 622                            Log.d(Config.LOGTAG, "unable to process direct reply");
 623                        }
 624                    });
 625                    break;
 626                case ACTION_MARK_AS_READ:
 627                    mNotificationExecutor.execute(() -> {
 628                        final Conversation c = findConversationByUuid(uuid);
 629                        if (c == null) {
 630                            Log.d(Config.LOGTAG, "received mark read intent for unknown conversation (" + uuid + ")");
 631                            return;
 632                        }
 633                        try {
 634                            restoredFromDatabaseLatch.await();
 635                            sendReadMarker(c, null);
 636                        } catch (InterruptedException e) {
 637                            Log.d(Config.LOGTAG, "unable to process notification read marker for conversation " + c.getName());
 638                        }
 639
 640                    });
 641                    break;
 642                case ACTION_SNOOZE:
 643                    mNotificationExecutor.execute(() -> {
 644                        final Conversation c = findConversationByUuid(uuid);
 645                        if (c == null) {
 646                            Log.d(Config.LOGTAG, "received snooze intent for unknown conversation (" + uuid + ")");
 647                            return;
 648                        }
 649                        c.setMutedTill(System.currentTimeMillis() + 30 * 60 * 1000);
 650                        mNotificationService.clear(c);
 651                        updateConversation(c);
 652                    });
 653                case AudioManager.RINGER_MODE_CHANGED_ACTION:
 654                case NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED:
 655                    if (dndOnSilentMode()) {
 656                        refreshAllPresences();
 657                    }
 658                    break;
 659                case Intent.ACTION_SCREEN_ON:
 660                    deactivateGracePeriod();
 661                case Intent.ACTION_SCREEN_OFF:
 662                    if (awayWhenScreenOff()) {
 663                        refreshAllPresences();
 664                    }
 665                    break;
 666                case ACTION_FCM_TOKEN_REFRESH:
 667                    refreshAllFcmTokens();
 668                    break;
 669                case ACTION_IDLE_PING:
 670                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 671                        scheduleNextIdlePing();
 672                    }
 673                    break;
 674                case ACTION_FCM_MESSAGE_RECEIVED:
 675                    pushedAccountHash = intent.getStringExtra("account");
 676                    Log.d(Config.LOGTAG, "push message arrived in service. account=" + pushedAccountHash);
 677                    break;
 678                case Intent.ACTION_SEND:
 679                    Uri uri = intent.getData();
 680                    if (uri != null) {
 681                        Log.d(Config.LOGTAG, "received uri permission for " + uri.toString());
 682                    }
 683                    return START_STICKY;
 684            }
 685        }
 686        synchronized (this) {
 687            WakeLockHelper.acquire(wakeLock);
 688            boolean pingNow = ConnectivityManager.CONNECTIVITY_ACTION.equals(action);
 689            HashSet<Account> pingCandidates = new HashSet<>();
 690            for (Account account : accounts) {
 691                pingNow |= processAccountState(account,
 692                        interactive,
 693                        "ui".equals(action),
 694                        CryptoHelper.getAccountFingerprint(account, PhoneHelper.getAndroidId(this)).equals(pushedAccountHash),
 695                        pingCandidates);
 696            }
 697            if (pingNow) {
 698                for (Account account : pingCandidates) {
 699                    final boolean lowTimeout = isInLowPingTimeoutMode(account);
 700                    account.getXmppConnection().sendPing();
 701                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + " send ping (action=" + action + ",lowTimeout=" + Boolean.toString(lowTimeout) + ")");
 702                    scheduleWakeUpCall(lowTimeout ? Config.LOW_PING_TIMEOUT : Config.PING_TIMEOUT, account.getUuid().hashCode());
 703                }
 704            }
 705            WakeLockHelper.release(wakeLock);
 706        }
 707        if (SystemClock.elapsedRealtime() - mLastExpiryRun.get() >= Config.EXPIRY_INTERVAL) {
 708            expireOldMessages();
 709        }
 710        return START_STICKY;
 711    }
 712
 713    private boolean processAccountState(Account account, boolean interactive, boolean isUiAction, boolean isAccountPushed, HashSet<Account> pingCandidates) {
 714        boolean pingNow = false;
 715        if (account.getStatus().isAttemptReconnect()) {
 716            if (!hasInternetConnection()) {
 717                account.setStatus(Account.State.NO_INTERNET);
 718                if (statusListener != null) {
 719                    statusListener.onStatusChanged(account);
 720                }
 721            } else {
 722                if (account.getStatus() == Account.State.NO_INTERNET) {
 723                    account.setStatus(Account.State.OFFLINE);
 724                    if (statusListener != null) {
 725                        statusListener.onStatusChanged(account);
 726                    }
 727                }
 728                if (account.getStatus() == Account.State.ONLINE) {
 729                    synchronized (mLowPingTimeoutMode) {
 730                        long lastReceived = account.getXmppConnection().getLastPacketReceived();
 731                        long lastSent = account.getXmppConnection().getLastPingSent();
 732                        long pingInterval = isUiAction ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 733                        long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 734                        int pingTimeout = mLowPingTimeoutMode.contains(account.getJid().asBareJid()) ? Config.LOW_PING_TIMEOUT * 1000 : Config.PING_TIMEOUT * 1000;
 735                        long pingTimeoutIn = (lastSent + pingTimeout) - SystemClock.elapsedRealtime();
 736                        if (lastSent > lastReceived) {
 737                            if (pingTimeoutIn < 0) {
 738                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ping timeout");
 739                                this.reconnectAccount(account, true, interactive);
 740                            } else {
 741                                int secs = (int) (pingTimeoutIn / 1000);
 742                                this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
 743                            }
 744                        } else {
 745                            pingCandidates.add(account);
 746                            if (isAccountPushed) {
 747                                pingNow = true;
 748                                if (mLowPingTimeoutMode.add(account.getJid().asBareJid())) {
 749                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": entering low ping timeout mode");
 750                                }
 751                            } else if (msToNextPing <= 0) {
 752                                pingNow = true;
 753                            } else {
 754                                this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 755                                if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 756                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 757                                }
 758                            }
 759                        }
 760                    }
 761                } else if (account.getStatus() == Account.State.OFFLINE) {
 762                    reconnectAccount(account, true, interactive);
 763                } else if (account.getStatus() == Account.State.CONNECTING) {
 764                    long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
 765                    long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
 766                    long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
 767                    long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
 768                    if (timeout < 0) {
 769                        Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting (secondsSinceLast=" + secondsSinceLastConnect + ")");
 770                        account.getXmppConnection().resetAttemptCount(false);
 771                        reconnectAccount(account, true, interactive);
 772                    } else if (discoTimeout < 0) {
 773                        account.getXmppConnection().sendDiscoTimeout();
 774                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 775                    } else {
 776                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 777                    }
 778                } else {
 779                    if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 780                        reconnectAccount(account, true, interactive);
 781                    }
 782                }
 783            }
 784        }
 785        return pingNow;
 786    }
 787
 788    public boolean isDataSaverDisabled() {
 789        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 790            ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
 791            return !connectivityManager.isActiveNetworkMetered()
 792                    || connectivityManager.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
 793        } else {
 794            return true;
 795        }
 796    }
 797
 798    private void directReply(Conversation conversation, String body, final boolean dismissAfterReply) {
 799        Message message = new Message(conversation, body, conversation.getNextEncryption());
 800        message.markUnread();
 801        if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 802            getPgpEngine().encrypt(message, new UiCallback<Message>() {
 803                @Override
 804                public void success(Message message) {
 805                    if (dismissAfterReply) {
 806                        markRead((Conversation) message.getConversation(), true);
 807                    } else {
 808                        mNotificationService.pushFromDirectReply(message);
 809                    }
 810                }
 811
 812                @Override
 813                public void error(int errorCode, Message object) {
 814
 815                }
 816
 817                @Override
 818                public void userInputRequried(PendingIntent pi, Message object) {
 819
 820                }
 821            });
 822        } else {
 823            sendMessage(message);
 824            if (dismissAfterReply) {
 825                markRead(conversation, true);
 826            } else {
 827                mNotificationService.pushFromDirectReply(message);
 828            }
 829        }
 830    }
 831
 832    private boolean dndOnSilentMode() {
 833        return getBooleanPreference(SettingsActivity.DND_ON_SILENT_MODE, R.bool.dnd_on_silent_mode);
 834    }
 835
 836    private boolean manuallyChangePresence() {
 837        return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
 838    }
 839
 840    private boolean treatVibrateAsSilent() {
 841        return getBooleanPreference(SettingsActivity.TREAT_VIBRATE_AS_SILENT, R.bool.treat_vibrate_as_silent);
 842    }
 843
 844    private boolean awayWhenScreenOff() {
 845        return getBooleanPreference(SettingsActivity.AWAY_WHEN_SCREEN_IS_OFF, R.bool.away_when_screen_off);
 846    }
 847
 848    private String getCompressPicturesPreference() {
 849        return getPreferences().getString("picture_compression", getResources().getString(R.string.picture_compression));
 850    }
 851
 852    private Presence.Status getTargetPresence() {
 853        if (dndOnSilentMode() && isPhoneSilenced()) {
 854            return Presence.Status.DND;
 855        } else if (awayWhenScreenOff() && !isInteractive()) {
 856            return Presence.Status.AWAY;
 857        } else {
 858            return Presence.Status.ONLINE;
 859        }
 860    }
 861
 862    @SuppressLint("NewApi")
 863    @SuppressWarnings("deprecation")
 864    public boolean isInteractive() {
 865        try {
 866            final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 867
 868            final boolean isScreenOn;
 869            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
 870                isScreenOn = pm.isScreenOn();
 871            } else {
 872                isScreenOn = pm.isInteractive();
 873            }
 874            return isScreenOn;
 875        } catch (RuntimeException e) {
 876            return false;
 877        }
 878    }
 879
 880    private boolean isPhoneSilenced() {
 881        final boolean notificationDnd;
 882        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 883            final NotificationManager notificationManager = getSystemService(NotificationManager.class);
 884            final int filter = notificationManager == null ? NotificationManager.INTERRUPTION_FILTER_UNKNOWN : notificationManager.getCurrentInterruptionFilter();
 885            notificationDnd = filter >= NotificationManager.INTERRUPTION_FILTER_PRIORITY;
 886        } else {
 887            notificationDnd = false;
 888        }
 889        final AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
 890        final int ringerMode = audioManager == null ? AudioManager.RINGER_MODE_NORMAL : audioManager.getRingerMode();
 891        try {
 892            if (treatVibrateAsSilent()) {
 893                return notificationDnd || ringerMode != AudioManager.RINGER_MODE_NORMAL;
 894            } else {
 895                return notificationDnd || ringerMode == AudioManager.RINGER_MODE_SILENT;
 896            }
 897        } catch (Throwable throwable) {
 898            Log.d(Config.LOGTAG, "platform bug in isPhoneSilenced (" + throwable.getMessage() + ")");
 899            return notificationDnd;
 900        }
 901    }
 902
 903    private void resetAllAttemptCounts(boolean reallyAll, boolean retryImmediately) {
 904        Log.d(Config.LOGTAG, "resetting all attempt counts");
 905        for (Account account : accounts) {
 906            if (account.hasErrorStatus() || reallyAll) {
 907                final XmppConnection connection = account.getXmppConnection();
 908                if (connection != null) {
 909                    connection.resetAttemptCount(retryImmediately);
 910                }
 911            }
 912            if (account.setShowErrorNotification(true)) {
 913                databaseBackend.updateAccount(account);
 914            }
 915        }
 916        mNotificationService.updateErrorNotification();
 917    }
 918
 919    private void dismissErrorNotifications() {
 920        for (final Account account : this.accounts) {
 921            if (account.hasErrorStatus()) {
 922                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": dismissing error notification");
 923                if (account.setShowErrorNotification(false)) {
 924                    databaseBackend.updateAccount(account);
 925                }
 926            }
 927        }
 928    }
 929
 930    private void expireOldMessages() {
 931        expireOldMessages(false);
 932    }
 933
 934    public void expireOldMessages(final boolean resetHasMessagesLeftOnServer) {
 935        mLastExpiryRun.set(SystemClock.elapsedRealtime());
 936        mDatabaseWriterExecutor.execute(() -> {
 937            long timestamp = getAutomaticMessageDeletionDate();
 938            if (timestamp > 0) {
 939                databaseBackend.expireOldMessages(timestamp);
 940                synchronized (XmppConnectionService.this.conversations) {
 941                    for (Conversation conversation : XmppConnectionService.this.conversations) {
 942                        conversation.expireOldMessages(timestamp);
 943                        if (resetHasMessagesLeftOnServer) {
 944                            conversation.messagesLoaded.set(true);
 945                            conversation.setHasMessagesLeftOnServer(true);
 946                        }
 947                    }
 948                }
 949                updateConversationUi();
 950            }
 951        });
 952    }
 953
 954    public boolean hasInternetConnection() {
 955        final ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
 956        try {
 957            final NetworkInfo activeNetwork = cm == null ? null : cm.getActiveNetworkInfo();
 958            return activeNetwork != null && (activeNetwork.isConnected() || activeNetwork.getType() == ConnectivityManager.TYPE_ETHERNET);
 959        } catch (RuntimeException e) {
 960            Log.d(Config.LOGTAG, "unable to check for internet connection", e);
 961            return true; //if internet connection can not be checked it is probably best to just try
 962        }
 963    }
 964
 965    @SuppressLint("TrulyRandom")
 966    @Override
 967    public void onCreate() {
 968        OmemoSetting.load(this);
 969        ExceptionHelper.init(getApplicationContext());
 970        try {
 971            Security.insertProviderAt(Conscrypt.newProvider(), 1);
 972        } catch (Throwable throwable) {
 973            Log.e(Config.LOGTAG,"unable to initialize security provider", throwable);
 974        }
 975        Resolver.init(this);
 976        this.mRandom = new SecureRandom();
 977        updateMemorizingTrustmanager();
 978        if (Compatibility.runsTwentySix()) {
 979            mNotificationService.initializeChannels();
 980        }
 981        final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
 982        final int cacheSize = maxMemory / 8;
 983        this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
 984            @Override
 985            protected int sizeOf(final String key, final Bitmap bitmap) {
 986                return bitmap.getByteCount() / 1024;
 987            }
 988        };
 989        if (mLastActivity == 0) {
 990            mLastActivity = getPreferences().getLong(SETTING_LAST_ACTIVITY_TS, System.currentTimeMillis());
 991        }
 992
 993        Log.d(Config.LOGTAG, "initializing database...");
 994        this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
 995        Log.d(Config.LOGTAG, "restoring accounts...");
 996        this.accounts = databaseBackend.getAccounts();
 997        final SharedPreferences.Editor editor = getPreferences().edit();
 998        if (this.accounts.size() == 0 && Arrays.asList("Sony", "Sony Ericsson").contains(Build.MANUFACTURER)) {
 999            editor.putBoolean(SettingsActivity.KEEP_FOREGROUND_SERVICE, true);
1000            Log.d(Config.LOGTAG, Build.MANUFACTURER + " is on blacklist. enabling foreground service");
1001        }
1002        editor.putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts()).apply();
1003        editor.apply();
1004
1005        restoreFromDatabase();
1006
1007        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || ContextCompat.checkSelfPermission(this, Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
1008            startContactObserver();
1009        }
1010        if (Compatibility.hasStoragePermission(this)) {
1011            Log.d(Config.LOGTAG, "starting file observer");
1012            new Thread(fileObserver::startWatching).start();
1013        }
1014        if (Config.supportOpenPgp()) {
1015            this.pgpServiceConnection = new OpenPgpServiceConnection(this, "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
1016                @Override
1017                public void onBound(IOpenPgpService2 service) {
1018                    for (Account account : accounts) {
1019                        final PgpDecryptionService pgp = account.getPgpDecryptionService();
1020                        if (pgp != null) {
1021                            pgp.continueDecryption(true);
1022                        }
1023                    }
1024                }
1025
1026                @Override
1027                public void onError(Exception e) {
1028                }
1029            });
1030            this.pgpServiceConnection.bindToService();
1031        }
1032
1033        this.pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
1034        this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Conversations:Service");
1035
1036        toggleForegroundService();
1037        updateUnreadCountBadge();
1038        toggleScreenEventReceiver();
1039        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1040            scheduleNextIdlePing();
1041            IntentFilter intentFilter = new IntentFilter();
1042            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1043                intentFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
1044            }
1045            intentFilter.addAction(NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED);
1046            registerReceiver(this.mInternalEventReceiver, intentFilter);
1047        }
1048    }
1049
1050    public void startContactObserver() {
1051        getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, new ContentObserver(null) {
1052            @Override
1053            public void onChange(boolean selfChange) {
1054                super.onChange(selfChange);
1055                if (restoredFromDatabaseLatch.getCount() == 0) {
1056                    loadPhoneContacts();
1057                }
1058            }
1059        });
1060    }
1061
1062    @Override
1063    public void onTrimMemory(int level) {
1064        super.onTrimMemory(level);
1065        if (level >= TRIM_MEMORY_COMPLETE) {
1066            Log.d(Config.LOGTAG, "clear cache due to low memory");
1067            getBitmapCache().evictAll();
1068        }
1069    }
1070
1071    @Override
1072    public void onDestroy() {
1073        try {
1074            unregisterReceiver(this.mInternalEventReceiver);
1075        } catch (IllegalArgumentException e) {
1076            //ignored
1077        }
1078        fileObserver.stopWatching();
1079        super.onDestroy();
1080    }
1081
1082    public void restartFileObserver() {
1083        Log.d(Config.LOGTAG, "restarting file observer");
1084        new Thread(fileObserver::restartWatching).start();
1085    }
1086
1087    public void toggleScreenEventReceiver() {
1088        if (awayWhenScreenOff() && !manuallyChangePresence()) {
1089            final IntentFilter filter = new IntentFilter();
1090            filter.addAction(Intent.ACTION_SCREEN_ON);
1091            filter.addAction(Intent.ACTION_SCREEN_OFF);
1092            registerReceiver(this.mInternalScreenEventReceiver, filter);
1093        } else {
1094            try {
1095                unregisterReceiver(this.mInternalScreenEventReceiver);
1096            } catch (IllegalArgumentException e) {
1097                //ignored
1098            }
1099        }
1100    }
1101
1102    public void toggleForegroundService() {
1103        toggleForegroundService(false);
1104    }
1105
1106    private void toggleForegroundService(boolean force) {
1107        final boolean status;
1108        if (force || mForceForegroundService.get() || (Compatibility.keepForegroundService(this) && hasEnabledAccounts())) {
1109            startForeground(NotificationService.FOREGROUND_NOTIFICATION_ID, this.mNotificationService.createForegroundNotification());
1110            status = true;
1111        } else {
1112            stopForeground(true);
1113            status = false;
1114        }
1115        mNotificationService.dismissForcedForegroundNotification(); //if the channel was changed the previous call might fail
1116        Log.d(Config.LOGTAG,"ForegroundService: "+(status?"on":"off"));
1117    }
1118
1119    public boolean foregroundNotificationNeedsUpdatingWhenErrorStateChanges() {
1120        return !mForceForegroundService.get() && Compatibility.keepForegroundService(this) && hasEnabledAccounts();
1121    }
1122
1123    @Override
1124    public void onTaskRemoved(final Intent rootIntent) {
1125        super.onTaskRemoved(rootIntent);
1126        if ((Compatibility.keepForegroundService(this) && hasEnabledAccounts()) || mForceForegroundService.get()) {
1127            Log.d(Config.LOGTAG, "ignoring onTaskRemoved because foreground service is activated");
1128        } else {
1129            this.logoutAndSave(false);
1130        }
1131    }
1132
1133    private void logoutAndSave(boolean stop) {
1134        int activeAccounts = 0;
1135        for (final Account account : accounts) {
1136            if (account.getStatus() != Account.State.DISABLED) {
1137                databaseBackend.writeRoster(account.getRoster());
1138                activeAccounts++;
1139            }
1140            if (account.getXmppConnection() != null) {
1141                new Thread(() -> disconnect(account, false)).start();
1142            }
1143        }
1144        if (stop || activeAccounts == 0) {
1145            Log.d(Config.LOGTAG, "good bye");
1146            stopSelf();
1147        }
1148    }
1149
1150    public void scheduleWakeUpCall(int seconds, int requestCode) {
1151        final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000;
1152        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1153        if (alarmManager == null) {
1154            return;
1155        }
1156        final Intent intent = new Intent(this, EventReceiver.class);
1157        intent.setAction("ping");
1158        try {
1159            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, requestCode, intent, 0);
1160            alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1161        } catch (RuntimeException e) {
1162            Log.e(Config.LOGTAG, "unable to schedule alarm for ping", e);
1163        }
1164    }
1165
1166    @TargetApi(Build.VERSION_CODES.M)
1167    private void scheduleNextIdlePing() {
1168        final long timeToWake = SystemClock.elapsedRealtime() + (Config.IDLE_PING_INTERVAL * 1000);
1169        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1170        if (alarmManager == null) {
1171            return;
1172        }
1173        final Intent intent = new Intent(this, EventReceiver.class);
1174        intent.setAction(ACTION_IDLE_PING);
1175        try {
1176            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
1177            alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1178        } catch (RuntimeException e) {
1179            Log.d(Config.LOGTAG, "unable to schedule alarm for idle ping", e);
1180        }
1181    }
1182
1183    public XmppConnection createConnection(final Account account) {
1184        final XmppConnection connection = new XmppConnection(account, this);
1185        connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1186        connection.setOnStatusChangedListener(this.statusListener);
1187        connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1188        connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1189        connection.setOnJinglePacketReceivedListener(this.jingleListener);
1190        connection.setOnBindListener(this.mOnBindListener);
1191        connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1192        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1193        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1194        AxolotlService axolotlService = account.getAxolotlService();
1195        if (axolotlService != null) {
1196            connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1197        }
1198        return connection;
1199    }
1200
1201    public void sendChatState(Conversation conversation) {
1202        if (sendChatStates()) {
1203            MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1204            sendMessagePacket(conversation.getAccount(), packet);
1205        }
1206    }
1207
1208    private void sendFileMessage(final Message message, final boolean delay) {
1209        Log.d(Config.LOGTAG, "send file message");
1210        final Account account = message.getConversation().getAccount();
1211        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1212                || message.getConversation().getMode() == Conversation.MODE_MULTI) {
1213            mHttpConnectionManager.createNewUploadConnection(message, delay);
1214        } else {
1215            mJingleConnectionManager.createNewConnection(message);
1216        }
1217    }
1218
1219    public void sendMessage(final Message message) {
1220        sendMessage(message, false, false);
1221    }
1222
1223    private void sendMessage(final Message message, final boolean resend, final boolean delay) {
1224        final Account account = message.getConversation().getAccount();
1225        if (account.setShowErrorNotification(true)) {
1226            databaseBackend.updateAccount(account);
1227            mNotificationService.updateErrorNotification();
1228        }
1229        final Conversation conversation = (Conversation) message.getConversation();
1230        account.deactivateGracePeriod();
1231
1232
1233        if (QuickConversationsService.isQuicksy() && conversation.getMode() == Conversation.MODE_SINGLE) {
1234            final Contact contact = conversation.getContact();
1235            if (!contact.showInRoster() && contact.getOption(Contact.Options.SYNCED_VIA_OTHER)) {
1236                Log.d(Config.LOGTAG,account.getJid().asBareJid()+": adding "+contact.getJid()+" on sending message");
1237                createContact(contact, true);
1238            }
1239        }
1240
1241        MessagePacket packet = null;
1242        final boolean addToConversation = (conversation.getMode() != Conversation.MODE_MULTI
1243                || !Patches.BAD_MUC_REFLECTION.contains(account.getServerIdentity()))
1244                && !message.edited();
1245        boolean saveInDb = addToConversation;
1246        message.setStatus(Message.STATUS_WAITING);
1247
1248        if (account.isOnlineAndConnected()) {
1249            switch (message.getEncryption()) {
1250                case Message.ENCRYPTION_NONE:
1251                    if (message.needsUploading()) {
1252                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1253                                || conversation.getMode() == Conversation.MODE_MULTI
1254                                || message.fixCounterpart()) {
1255                            this.sendFileMessage(message, delay);
1256                        } else {
1257                            break;
1258                        }
1259                    } else {
1260                        packet = mMessageGenerator.generateChat(message);
1261                    }
1262                    break;
1263                case Message.ENCRYPTION_PGP:
1264                case Message.ENCRYPTION_DECRYPTED:
1265                    if (message.needsUploading()) {
1266                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1267                                || conversation.getMode() == Conversation.MODE_MULTI
1268                                || message.fixCounterpart()) {
1269                            this.sendFileMessage(message, delay);
1270                        } else {
1271                            break;
1272                        }
1273                    } else {
1274                        packet = mMessageGenerator.generatePgpChat(message);
1275                    }
1276                    break;
1277                case Message.ENCRYPTION_AXOLOTL:
1278                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1279                    if (message.needsUploading()) {
1280                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1281                                || conversation.getMode() == Conversation.MODE_MULTI
1282                                || message.fixCounterpart()) {
1283                            this.sendFileMessage(message, delay);
1284                        } else {
1285                            break;
1286                        }
1287                    } else {
1288                        XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1289                        if (axolotlMessage == null) {
1290                            account.getAxolotlService().preparePayloadMessage(message, delay);
1291                        } else {
1292                            packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1293                        }
1294                    }
1295                    break;
1296
1297            }
1298            if (packet != null) {
1299                if (account.getXmppConnection().getFeatures().sm()
1300                        || (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1301                    message.setStatus(Message.STATUS_UNSEND);
1302                } else {
1303                    message.setStatus(Message.STATUS_SEND);
1304                }
1305            }
1306        } else {
1307            switch (message.getEncryption()) {
1308                case Message.ENCRYPTION_DECRYPTED:
1309                    if (!message.needsUploading()) {
1310                        String pgpBody = message.getEncryptedBody();
1311                        String decryptedBody = message.getBody();
1312                        message.setBody(pgpBody); //TODO might throw NPE
1313                        message.setEncryption(Message.ENCRYPTION_PGP);
1314                        if (message.edited()) {
1315                            message.setBody(decryptedBody);
1316                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1317                            if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1318                                Log.e(Config.LOGTAG,"error updated message in DB after edit");
1319                            }
1320                            updateConversationUi();
1321                            return;
1322                        } else {
1323                            databaseBackend.createMessage(message);
1324                            saveInDb = false;
1325                            message.setBody(decryptedBody);
1326                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1327                        }
1328                    }
1329                    break;
1330                case Message.ENCRYPTION_AXOLOTL:
1331                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1332                    break;
1333            }
1334        }
1335
1336
1337        boolean mucMessage = conversation.getMode() == Conversation.MODE_MULTI && message.getType() != Message.TYPE_PRIVATE;
1338        if (mucMessage) {
1339            message.setCounterpart(conversation.getMucOptions().getSelf().getFullJid());
1340        }
1341
1342        if (resend) {
1343            if (packet != null && addToConversation) {
1344                if (account.getXmppConnection().getFeatures().sm() || mucMessage) {
1345                    markMessage(message, Message.STATUS_UNSEND);
1346                } else {
1347                    markMessage(message, Message.STATUS_SEND);
1348                }
1349            }
1350        } else {
1351            if (addToConversation) {
1352                conversation.add(message);
1353            }
1354            if (saveInDb) {
1355                databaseBackend.createMessage(message);
1356            } else if (message.edited()) {
1357                if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1358                    Log.e(Config.LOGTAG,"error updated message in DB after edit");
1359                }
1360            }
1361            updateConversationUi();
1362        }
1363        if (packet != null) {
1364            if (delay) {
1365                mMessageGenerator.addDelay(packet, message.getTimeSent());
1366            }
1367            if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
1368                if (this.sendChatStates()) {
1369                    packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1370                }
1371            }
1372            sendMessagePacket(account, packet);
1373        }
1374    }
1375
1376    private void sendUnsentMessages(final Conversation conversation) {
1377        conversation.findWaitingMessages(message -> resendMessage(message, true));
1378    }
1379
1380    public void resendMessage(final Message message, final boolean delay) {
1381        sendMessage(message, true, delay);
1382    }
1383
1384    public void fetchRosterFromServer(final Account account) {
1385        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1386        if (!"".equals(account.getRosterVersion())) {
1387            Log.d(Config.LOGTAG, account.getJid().asBareJid()
1388                    + ": fetching roster version " + account.getRosterVersion());
1389        } else {
1390            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching roster");
1391        }
1392        iqPacket.query(Namespace.ROSTER).setAttribute("ver", account.getRosterVersion());
1393        sendIqPacket(account, iqPacket, mIqParser);
1394    }
1395
1396    public void fetchBookmarks(final Account account) {
1397        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1398        final Element query = iqPacket.query("jabber:iq:private");
1399        query.addChild("storage", Namespace.BOOKMARKS);
1400        final OnIqPacketReceived callback = (a, response) -> {
1401            if (response.getType() == IqPacket.TYPE.RESULT) {
1402                final Element query1 = response.query();
1403                final Element storage = query1.findChild("storage", "storage:bookmarks");
1404                processBookmarks(a, storage, false);
1405            } else {
1406                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": could not fetch bookmarks");
1407            }
1408        };
1409        sendIqPacket(account, iqPacket, callback);
1410    }
1411
1412    public void processBookmarks(Account account, Element storage, final boolean pep) {
1413        final HashMap<Jid, Bookmark> bookmarks = new HashMap<>();
1414        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1415        if (storage != null) {
1416            for (final Element item : storage.getChildren()) {
1417                if (item.getName().equals("conference")) {
1418                    final Bookmark bookmark = Bookmark.parse(item, account);
1419                    Bookmark old = bookmarks.put(bookmark.getJid(), bookmark);
1420                    if (old != null && old.getBookmarkName() != null && bookmark.getBookmarkName() == null) {
1421                        bookmark.setBookmarkName(old.getBookmarkName());
1422                    }
1423                    if (bookmark.getJid() == null) {
1424                        continue;
1425                    }
1426                    Conversation conversation = find(bookmark);
1427                    if (conversation != null) {
1428                        if (conversation.getMode() != Conversation.MODE_MULTI) {
1429                            continue;
1430                        }
1431                        bookmark.setConversation(conversation);
1432                        if (pep && synchronizeWithBookmarks && !bookmark.autojoin()) {
1433                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": archiving conference ("+conversation.getJid()+") after receiving pep");
1434                            archiveConversation(conversation, false);
1435                        }
1436                    } else if (synchronizeWithBookmarks && bookmark.autojoin()) {
1437                        conversation = findOrCreateConversation(account, bookmark.getFullJid(), true, true, false);
1438                        bookmark.setConversation(conversation);
1439                    }
1440                }
1441            }
1442        }
1443        account.setBookmarks(new CopyOnWriteArrayList<>(bookmarks.values()));
1444    }
1445
1446    public void pushBookmarks(Account account) {
1447        if (account.getXmppConnection().getFeatures().bookmarksConversion()) {
1448            pushBookmarksPep(account);
1449        } else {
1450            pushBookmarksPrivateXml(account);
1451        }
1452    }
1453
1454    private void pushBookmarksPrivateXml(Account account) {
1455        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via private xml");
1456        IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1457        Element query = iqPacket.query("jabber:iq:private");
1458        Element storage = query.addChild("storage", "storage:bookmarks");
1459        for (Bookmark bookmark : account.getBookmarks()) {
1460            storage.addChild(bookmark);
1461        }
1462        sendIqPacket(account, iqPacket, mDefaultIqHandler);
1463    }
1464
1465    private void pushBookmarksPep(Account account) {
1466        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via pep");
1467        Element storage = new Element("storage", "storage:bookmarks");
1468        for (Bookmark bookmark : account.getBookmarks()) {
1469            storage.addChild(bookmark);
1470        }
1471        pushNodeAndEnforcePublishOptions(account,Namespace.BOOKMARKS,storage, PublishOptions.persistentWhitelistAccess());
1472
1473    }
1474
1475
1476    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final Bundle options) {
1477        pushNodeAndEnforcePublishOptions(account, node, element, options, true);
1478
1479    }
1480
1481	private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final Bundle options, final boolean retry) {
1482        IqPacket packet = mIqGenerator.publishElement(node, element, options);
1483        Log.d(Config.LOGTAG,packet.toString());
1484        sendIqPacket(account, packet, (a, response) -> {
1485            if (response.getType() == IqPacket.TYPE.RESULT) {
1486                return;
1487            }
1488            if (retry && PublishOptions.preconditionNotMet(response)) {
1489                pushNodeConfiguration(account, node, options, new OnConfigurationPushed() {
1490                    @Override
1491                    public void onPushSucceeded() {
1492                        pushNodeAndEnforcePublishOptions(account, node, element, options, false);
1493                    }
1494
1495                    @Override
1496                    public void onPushFailed() {
1497                        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to push node configuration ("+node+")");
1498                    }
1499                });
1500            } else {
1501                Log.d(Config.LOGTAG,account.getJid().asBareJid()+": error publishing bookmarks (retry="+Boolean.toString(retry)+") "+response);
1502            }
1503        });
1504    }
1505
1506	private void restoreFromDatabase() {
1507		synchronized (this.conversations) {
1508			final Map<String, Account> accountLookupTable = new Hashtable<>();
1509			for (Account account : this.accounts) {
1510				accountLookupTable.put(account.getUuid(), account);
1511			}
1512			Log.d(Config.LOGTAG, "restoring conversations...");
1513			final long startTimeConversationsRestore = SystemClock.elapsedRealtime();
1514			this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1515			for (Iterator<Conversation> iterator = conversations.listIterator(); iterator.hasNext(); ) {
1516				Conversation conversation = iterator.next();
1517				Account account = accountLookupTable.get(conversation.getAccountUuid());
1518				if (account != null) {
1519					conversation.setAccount(account);
1520				} else {
1521					Log.e(Config.LOGTAG, "unable to restore Conversations with " + conversation.getJid());
1522					iterator.remove();
1523				}
1524			}
1525			long diffConversationsRestore = SystemClock.elapsedRealtime() - startTimeConversationsRestore;
1526			Log.d(Config.LOGTAG, "finished restoring conversations in " + diffConversationsRestore + "ms");
1527			Runnable runnable = () -> {
1528				long deletionDate = getAutomaticMessageDeletionDate();
1529				mLastExpiryRun.set(SystemClock.elapsedRealtime());
1530				if (deletionDate > 0) {
1531					Log.d(Config.LOGTAG, "deleting messages that are older than " + AbstractGenerator.getTimestamp(deletionDate));
1532					databaseBackend.expireOldMessages(deletionDate);
1533				}
1534				Log.d(Config.LOGTAG, "restoring roster...");
1535				for (Account account : accounts) {
1536					databaseBackend.readRoster(account.getRoster());
1537					account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1538				}
1539				getBitmapCache().evictAll();
1540				loadPhoneContacts();
1541				Log.d(Config.LOGTAG, "restoring messages...");
1542				final long startMessageRestore = SystemClock.elapsedRealtime();
1543				final Conversation quickLoad = QuickLoader.get(this.conversations);
1544				if (quickLoad != null) {
1545					restoreMessages(quickLoad);
1546					updateConversationUi();
1547					final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1548					Log.d(Config.LOGTAG,"quickly restored "+quickLoad.getName()+" after " + diffMessageRestore + "ms");
1549				}
1550				for (Conversation conversation : this.conversations) {
1551					if (quickLoad != conversation) {
1552						restoreMessages(conversation);
1553					}
1554				}
1555				mNotificationService.finishBacklog(false);
1556				restoredFromDatabaseLatch.countDown();
1557				final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1558				Log.d(Config.LOGTAG, "finished restoring messages in " + diffMessageRestore + "ms");
1559				updateConversationUi();
1560			};
1561			mDatabaseReaderExecutor.execute(runnable); //will contain one write command (expiry) but that's fine
1562		}
1563	}
1564
1565	private void restoreMessages(Conversation conversation) {
1566		conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1567		checkDeletedFiles(conversation);
1568		conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
1569		conversation.findUnreadMessages(message -> mNotificationService.pushFromBacklog(message));
1570	}
1571
1572	public void loadPhoneContacts() {
1573        mContactMergerExecutor.execute(() -> {
1574            Map<Jid, JabberIdContact> contacts = JabberIdContact.load(this);
1575            Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1576            for (Account account : accounts) {
1577                List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts(JabberIdContact.class);
1578                for (JabberIdContact jidContact : contacts.values()) {
1579                    final Contact contact = account.getRoster().getContact(jidContact.getJid());
1580                    boolean needsCacheClean = contact.setPhoneContact(jidContact);
1581                    if (needsCacheClean) {
1582                        getAvatarService().clear(contact);
1583                    }
1584                    withSystemAccounts.remove(contact);
1585                }
1586                for (Contact contact : withSystemAccounts) {
1587                    boolean needsCacheClean = contact.unsetPhoneContact(JabberIdContact.class);
1588                    if (needsCacheClean) {
1589                        getAvatarService().clear(contact);
1590                    }
1591                }
1592            }
1593            Log.d(Config.LOGTAG, "finished merging phone contacts");
1594            mShortcutService.refresh(mInitialAddressbookSyncCompleted.compareAndSet(false, true));
1595            updateRosterUi();
1596            mQuickConversationsService.considerSync();
1597        });
1598	}
1599
1600
1601	public void syncRoster(final Account account) {
1602		mRosterSyncTaskManager.execute(account, () -> databaseBackend.writeRoster(account.getRoster()));
1603	}
1604
1605	public List<Conversation> getConversations() {
1606		return this.conversations;
1607	}
1608
1609	private void checkDeletedFiles(Conversation conversation) {
1610		conversation.findMessagesWithFiles(message -> {
1611			if (!getFileBackend().isFileAvailable(message)) {
1612				message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1613				final int s = message.getStatus();
1614				if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1615					markMessage(message, Message.STATUS_SEND_FAILED);
1616				}
1617			}
1618		});
1619	}
1620
1621	private void markFileDeleted(final String path) {
1622		Log.d(Config.LOGTAG, "deleted file " + path);
1623		for (Conversation conversation : getConversations()) {
1624			conversation.findMessagesWithFiles(message -> {
1625				DownloadableFile file = fileBackend.getFile(message);
1626				if (file.getAbsolutePath().equals(path)) {
1627					if (!file.exists()) {
1628						message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1629						final int s = message.getStatus();
1630						if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1631							markMessage(message, Message.STATUS_SEND_FAILED);
1632						} else {
1633							updateConversationUi();
1634						}
1635					} else {
1636						Log.d(Config.LOGTAG, "found matching message for file " + path + " but file still exists");
1637					}
1638				}
1639			});
1640		}
1641	}
1642
1643	public void populateWithOrderedConversations(final List<Conversation> list) {
1644		populateWithOrderedConversations(list, true);
1645	}
1646
1647	public void populateWithOrderedConversations(final List<Conversation> list, boolean includeNoFileUpload) {
1648		list.clear();
1649		if (includeNoFileUpload) {
1650			list.addAll(getConversations());
1651		} else {
1652			for (Conversation conversation : getConversations()) {
1653				if (conversation.getMode() == Conversation.MODE_SINGLE
1654						|| (conversation.getAccount().httpUploadAvailable() && conversation.getMucOptions().participating())) {
1655					list.add(conversation);
1656				}
1657			}
1658		}
1659		try {
1660			Collections.sort(list);
1661		} catch (IllegalArgumentException e) {
1662			//ignore
1663		}
1664	}
1665
1666	public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
1667		if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
1668			return;
1669		} else if (timestamp == 0) {
1670			return;
1671		}
1672		Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
1673		final Runnable runnable = () -> {
1674			final Account account = conversation.getAccount();
1675			List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
1676			if (messages.size() > 0) {
1677				conversation.addAll(0, messages);
1678				checkDeletedFiles(conversation);
1679				callback.onMoreMessagesLoaded(messages.size(), conversation);
1680			} else if (conversation.hasMessagesLeftOnServer()
1681					&& account.isOnlineAndConnected()
1682					&& conversation.getLastClearHistory().getTimestamp() == 0) {
1683				final boolean mamAvailable;
1684				if (conversation.getMode() == Conversation.MODE_SINGLE) {
1685					mamAvailable = account.getXmppConnection().getFeatures().mam() && !conversation.getContact().isBlocked();
1686				} else {
1687					mamAvailable = conversation.getMucOptions().mamSupport();
1688				}
1689				if (mamAvailable) {
1690					MessageArchiveService.Query query = getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
1691					if (query != null) {
1692						query.setCallback(callback);
1693						callback.informUser(R.string.fetching_history_from_server);
1694					} else {
1695						callback.informUser(R.string.not_fetching_history_retention_period);
1696					}
1697
1698				}
1699			}
1700		};
1701		mDatabaseReaderExecutor.execute(runnable);
1702	}
1703
1704	public List<Account> getAccounts() {
1705		return this.accounts;
1706	}
1707
1708
1709    /**
1710     * This will find all conferences with the contact as member and also the conference that is the contact (that 'fake' contact is used to store the avatar)
1711     */
1712	public List<Conversation> findAllConferencesWith(Contact contact) {
1713		ArrayList<Conversation> results = new ArrayList<>();
1714		for (final Conversation c : conversations) {
1715			if (c.getMode() == Conversation.MODE_MULTI && (c.getJid().asBareJid().equals(contact.getJid().asBareJid()) || c.getMucOptions().isContactInRoom(contact))) {
1716			    results.add(c);
1717			}
1718		}
1719		return results;
1720	}
1721
1722	public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
1723		for (final Conversation conversation : haystack) {
1724			if (conversation.getContact() == contact) {
1725				return conversation;
1726			}
1727		}
1728		return null;
1729	}
1730
1731	public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
1732		if (jid == null) {
1733			return null;
1734		}
1735		for (final Conversation conversation : haystack) {
1736			if ((account == null || conversation.getAccount() == account)
1737					&& (conversation.getJid().asBareJid().equals(jid.asBareJid()))) {
1738				return conversation;
1739			}
1740		}
1741		return null;
1742	}
1743
1744	public boolean isConversationsListEmpty(final Conversation ignore) {
1745		synchronized (this.conversations) {
1746			final int size = this.conversations.size();
1747			return size == 0 || size == 1 && this.conversations.get(0) == ignore;
1748		}
1749	}
1750
1751	public boolean isConversationStillOpen(final Conversation conversation) {
1752		synchronized (this.conversations) {
1753			for (Conversation current : this.conversations) {
1754				if (current == conversation) {
1755					return true;
1756				}
1757			}
1758		}
1759		return false;
1760	}
1761
1762	public Conversation findOrCreateConversation(Account account, Jid jid, boolean muc, final boolean async) {
1763		return this.findOrCreateConversation(account, jid, muc, false, async);
1764	}
1765
1766	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final boolean async) {
1767		return this.findOrCreateConversation(account, jid, muc, joinAfterCreate, null, async);
1768	}
1769
1770	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final MessageArchiveService.Query query, final boolean async) {
1771		synchronized (this.conversations) {
1772			Conversation conversation = find(account, jid);
1773			if (conversation != null) {
1774				return conversation;
1775			}
1776			conversation = databaseBackend.findConversation(account, jid);
1777			final boolean loadMessagesFromDb;
1778			if (conversation != null) {
1779				conversation.setStatus(Conversation.STATUS_AVAILABLE);
1780				conversation.setAccount(account);
1781				if (muc) {
1782					conversation.setMode(Conversation.MODE_MULTI);
1783					conversation.setContactJid(jid);
1784				} else {
1785					conversation.setMode(Conversation.MODE_SINGLE);
1786					conversation.setContactJid(jid.asBareJid());
1787				}
1788				databaseBackend.updateConversation(conversation);
1789				loadMessagesFromDb = conversation.messagesLoaded.compareAndSet(true, false);
1790			} else {
1791				String conversationName;
1792				Contact contact = account.getRoster().getContact(jid);
1793				if (contact != null) {
1794					conversationName = contact.getDisplayName();
1795				} else {
1796					conversationName = jid.getLocal();
1797				}
1798				if (muc) {
1799					conversation = new Conversation(conversationName, account, jid,
1800							Conversation.MODE_MULTI);
1801				} else {
1802					conversation = new Conversation(conversationName, account, jid.asBareJid(),
1803							Conversation.MODE_SINGLE);
1804				}
1805				this.databaseBackend.createConversation(conversation);
1806				loadMessagesFromDb = false;
1807			}
1808			final Conversation c = conversation;
1809			final Runnable runnable = () -> {
1810				if (loadMessagesFromDb) {
1811					c.addAll(0, databaseBackend.getMessages(c, Config.PAGE_SIZE));
1812					updateConversationUi();
1813					c.messagesLoaded.set(true);
1814				}
1815				if (account.getXmppConnection() != null
1816						&& !c.getContact().isBlocked()
1817						&& account.getXmppConnection().getFeatures().mam()
1818						&& !muc) {
1819					if (query == null) {
1820						mMessageArchiveService.query(c);
1821					} else {
1822						if (query.getConversation() == null) {
1823							mMessageArchiveService.query(c, query.getStart(), query.isCatchup());
1824						}
1825					}
1826				}
1827				checkDeletedFiles(c);
1828				if (joinAfterCreate) {
1829					joinMuc(c);
1830				}
1831			};
1832			if (async) {
1833				mDatabaseReaderExecutor.execute(runnable);
1834			} else {
1835				runnable.run();
1836			}
1837			this.conversations.add(conversation);
1838			updateConversationUi();
1839			return conversation;
1840		}
1841	}
1842
1843	public void archiveConversation(Conversation conversation) {
1844	    archiveConversation(conversation, true);
1845    }
1846
1847	private void archiveConversation(Conversation conversation, final boolean maySyncronizeWithBookmarks) {
1848		getNotificationService().clear(conversation);
1849		conversation.setStatus(Conversation.STATUS_ARCHIVED);
1850		conversation.setNextMessage(null);
1851		synchronized (this.conversations) {
1852			getMessageArchiveService().kill(conversation);
1853			if (conversation.getMode() == Conversation.MODE_MULTI) {
1854				if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
1855					Bookmark bookmark = conversation.getBookmark();
1856					if (maySyncronizeWithBookmarks && bookmark != null && bookmark.autojoin() && synchronizeWithBookmarks()) {
1857						bookmark.setAutojoin(false);
1858						pushBookmarks(bookmark.getAccount());
1859					}
1860				}
1861				leaveMuc(conversation);
1862			} else {
1863				if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
1864				    stopPresenceUpdatesTo(conversation.getContact());
1865				}
1866			}
1867			updateConversation(conversation);
1868			this.conversations.remove(conversation);
1869			updateConversationUi();
1870		}
1871	}
1872
1873	public void stopPresenceUpdatesTo(Contact contact) {
1874        Log.d(Config.LOGTAG, "Canceling presence request from " + contact.getJid().toString());
1875        sendPresencePacket(contact.getAccount(), mPresenceGenerator.stopPresenceUpdatesTo(contact));
1876        contact.resetOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
1877    }
1878
1879	public void createAccount(final Account account) {
1880		account.initAccountServices(this);
1881		databaseBackend.createAccount(account);
1882		this.accounts.add(account);
1883		this.reconnectAccountInBackground(account);
1884		updateAccountUi();
1885		syncEnabledAccountSetting();
1886		toggleForegroundService();
1887	}
1888
1889	private void syncEnabledAccountSetting() {
1890		getPreferences().edit().putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts()).apply();
1891	}
1892
1893	public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
1894		new Thread(() -> {
1895			try {
1896				final X509Certificate[] chain = KeyChain.getCertificateChain(this, alias);
1897				final X509Certificate cert = chain != null && chain.length > 0 ? chain[0] : null;
1898				if (cert == null) {
1899					callback.informUser(R.string.unable_to_parse_certificate);
1900					return;
1901				}
1902				Pair<Jid, String> info = CryptoHelper.extractJidAndName(cert);
1903				if (info == null) {
1904					callback.informUser(R.string.certificate_does_not_contain_jid);
1905					return;
1906				}
1907				if (findAccountByJid(info.first) == null) {
1908					Account account = new Account(info.first, "");
1909					account.setPrivateKeyAlias(alias);
1910					account.setOption(Account.OPTION_DISABLED, true);
1911					account.setDisplayName(info.second);
1912					createAccount(account);
1913					callback.onAccountCreated(account);
1914					if (Config.X509_VERIFICATION) {
1915						try {
1916							getMemorizingTrustManager().getNonInteractive(account.getJid().getDomain()).checkClientTrusted(chain, "RSA");
1917						} catch (CertificateException e) {
1918							callback.informUser(R.string.certificate_chain_is_not_trusted);
1919						}
1920					}
1921				} else {
1922					callback.informUser(R.string.account_already_exists);
1923				}
1924			} catch (Exception e) {
1925				e.printStackTrace();
1926				callback.informUser(R.string.unable_to_parse_certificate);
1927			}
1928		}).start();
1929
1930	}
1931
1932	public void updateKeyInAccount(final Account account, final String alias) {
1933		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": update key in account " + alias);
1934		try {
1935			X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1936			Log.d(Config.LOGTAG, account.getJid().asBareJid() + " loaded certificate chain");
1937			Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1938			if (info == null) {
1939				showErrorToastInUi(R.string.certificate_does_not_contain_jid);
1940				return;
1941			}
1942			if (account.getJid().asBareJid().equals(info.first)) {
1943				account.setPrivateKeyAlias(alias);
1944				account.setDisplayName(info.second);
1945				databaseBackend.updateAccount(account);
1946				if (Config.X509_VERIFICATION) {
1947					try {
1948						getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
1949					} catch (CertificateException e) {
1950						showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
1951					}
1952					account.getAxolotlService().regenerateKeys(true);
1953				}
1954			} else {
1955				showErrorToastInUi(R.string.jid_does_not_match_certificate);
1956			}
1957		} catch (Exception e) {
1958			e.printStackTrace();
1959		}
1960	}
1961
1962	public boolean updateAccount(final Account account) {
1963		if (databaseBackend.updateAccount(account)) {
1964			account.setShowErrorNotification(true);
1965			this.statusListener.onStatusChanged(account);
1966			databaseBackend.updateAccount(account);
1967			reconnectAccountInBackground(account);
1968			updateAccountUi();
1969			getNotificationService().updateErrorNotification();
1970			toggleForegroundService();
1971			syncEnabledAccountSetting();
1972			return true;
1973		} else {
1974			return false;
1975		}
1976	}
1977
1978	public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
1979		final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
1980		sendIqPacket(account, iq, (a, packet) -> {
1981			if (packet.getType() == IqPacket.TYPE.RESULT) {
1982				a.setPassword(newPassword);
1983				a.setOption(Account.OPTION_MAGIC_CREATE, false);
1984				databaseBackend.updateAccount(a);
1985				callback.onPasswordChangeSucceeded();
1986			} else {
1987				callback.onPasswordChangeFailed();
1988			}
1989		});
1990	}
1991
1992	public void deleteAccount(final Account account) {
1993		synchronized (this.conversations) {
1994			for (final Conversation conversation : conversations) {
1995				if (conversation.getAccount() == account) {
1996					if (conversation.getMode() == Conversation.MODE_MULTI) {
1997						leaveMuc(conversation);
1998					}
1999					conversations.remove(conversation);
2000				}
2001			}
2002			if (account.getXmppConnection() != null) {
2003				new Thread(() -> disconnect(account, true)).start();
2004			}
2005			final Runnable runnable = () -> {
2006				if (!databaseBackend.deleteAccount(account)) {
2007					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to delete account");
2008				}
2009			};
2010			mDatabaseWriterExecutor.execute(runnable);
2011			this.accounts.remove(account);
2012			this.mRosterSyncTaskManager.clear(account);
2013			updateAccountUi();
2014			getNotificationService().updateErrorNotification();
2015			syncEnabledAccountSetting();
2016			toggleForegroundService();
2017		}
2018	}
2019
2020	public void setOnConversationListChangedListener(OnConversationUpdate listener) {
2021		final boolean remainingListeners;
2022		synchronized (LISTENER_LOCK) {
2023			remainingListeners = checkListeners();
2024			if (!this.mOnConversationUpdates.add(listener)) {
2025				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as ConversationListChangedListener");
2026			}
2027			this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2028		}
2029		if (remainingListeners) {
2030			switchToForeground();
2031		}
2032	}
2033
2034	public void removeOnConversationListChangedListener(OnConversationUpdate listener) {
2035		final boolean remainingListeners;
2036		synchronized (LISTENER_LOCK) {
2037			this.mOnConversationUpdates.remove(listener);
2038			this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2039			remainingListeners = checkListeners();
2040		}
2041		if (remainingListeners) {
2042			switchToBackground();
2043		}
2044	}
2045
2046	public void setOnShowErrorToastListener(OnShowErrorToast listener) {
2047		final boolean remainingListeners;
2048		synchronized (LISTENER_LOCK) {
2049			remainingListeners = checkListeners();
2050			if (!this.mOnShowErrorToasts.add(listener)) {
2051				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnShowErrorToastListener");
2052			}
2053		}
2054		if (remainingListeners) {
2055			switchToForeground();
2056		}
2057	}
2058
2059	public void removeOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
2060		final boolean remainingListeners;
2061		synchronized (LISTENER_LOCK) {
2062			this.mOnShowErrorToasts.remove(onShowErrorToast);
2063			remainingListeners = checkListeners();
2064		}
2065		if (remainingListeners) {
2066			switchToBackground();
2067		}
2068	}
2069
2070	public void setOnAccountListChangedListener(OnAccountUpdate listener) {
2071		final boolean remainingListeners;
2072		synchronized (LISTENER_LOCK) {
2073			remainingListeners = checkListeners();
2074			if (!this.mOnAccountUpdates.add(listener)) {
2075				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnAccountListChangedtListener");
2076			}
2077		}
2078		if (remainingListeners) {
2079			switchToForeground();
2080		}
2081	}
2082
2083	public void removeOnAccountListChangedListener(OnAccountUpdate listener) {
2084		final boolean remainingListeners;
2085		synchronized (LISTENER_LOCK) {
2086			this.mOnAccountUpdates.remove(listener);
2087			remainingListeners = checkListeners();
2088		}
2089		if (remainingListeners) {
2090			switchToBackground();
2091		}
2092	}
2093
2094	public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2095		final boolean remainingListeners;
2096		synchronized (LISTENER_LOCK) {
2097			remainingListeners = checkListeners();
2098			if (!this.mOnCaptchaRequested.add(listener)) {
2099				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnCaptchaRequestListener");
2100			}
2101		}
2102		if (remainingListeners) {
2103			switchToForeground();
2104		}
2105	}
2106
2107	public void removeOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2108		final boolean remainingListeners;
2109		synchronized (LISTENER_LOCK) {
2110			this.mOnCaptchaRequested.remove(listener);
2111			remainingListeners = checkListeners();
2112		}
2113		if (remainingListeners) {
2114			switchToBackground();
2115		}
2116	}
2117
2118	public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
2119		final boolean remainingListeners;
2120		synchronized (LISTENER_LOCK) {
2121			remainingListeners = checkListeners();
2122			if (!this.mOnRosterUpdates.add(listener)) {
2123				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnRosterUpdateListener");
2124			}
2125		}
2126		if (remainingListeners) {
2127			switchToForeground();
2128		}
2129	}
2130
2131	public void removeOnRosterUpdateListener(final OnRosterUpdate listener) {
2132		final boolean remainingListeners;
2133		synchronized (LISTENER_LOCK) {
2134			this.mOnRosterUpdates.remove(listener);
2135			remainingListeners = checkListeners();
2136		}
2137		if (remainingListeners) {
2138			switchToBackground();
2139		}
2140	}
2141
2142	public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2143		final boolean remainingListeners;
2144		synchronized (LISTENER_LOCK) {
2145			remainingListeners = checkListeners();
2146			if (!this.mOnUpdateBlocklist.add(listener)) {
2147				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnUpdateBlocklistListener");
2148			}
2149		}
2150		if (remainingListeners) {
2151			switchToForeground();
2152		}
2153	}
2154
2155	public void removeOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2156		final boolean remainingListeners;
2157		synchronized (LISTENER_LOCK) {
2158			this.mOnUpdateBlocklist.remove(listener);
2159			remainingListeners = checkListeners();
2160		}
2161		if (remainingListeners) {
2162			switchToBackground();
2163		}
2164	}
2165
2166	public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
2167		final boolean remainingListeners;
2168		synchronized (LISTENER_LOCK) {
2169			remainingListeners = checkListeners();
2170			if (!this.mOnKeyStatusUpdated.add(listener)) {
2171				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnKeyStatusUpdateListener");
2172			}
2173		}
2174		if (remainingListeners) {
2175			switchToForeground();
2176		}
2177	}
2178
2179	public void removeOnNewKeysAvailableListener(final OnKeyStatusUpdated listener) {
2180		final boolean remainingListeners;
2181		synchronized (LISTENER_LOCK) {
2182			this.mOnKeyStatusUpdated.remove(listener);
2183			remainingListeners = checkListeners();
2184		}
2185		if (remainingListeners) {
2186			switchToBackground();
2187		}
2188	}
2189
2190	public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
2191		final boolean remainingListeners;
2192		synchronized (LISTENER_LOCK) {
2193			remainingListeners = checkListeners();
2194			if (!this.mOnMucRosterUpdate.add(listener)) {
2195				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnMucRosterListener");
2196			}
2197		}
2198		if (remainingListeners) {
2199			switchToForeground();
2200		}
2201	}
2202
2203	public void removeOnMucRosterUpdateListener(final OnMucRosterUpdate listener) {
2204		final boolean remainingListeners;
2205		synchronized (LISTENER_LOCK) {
2206			this.mOnMucRosterUpdate.remove(listener);
2207			remainingListeners = checkListeners();
2208		}
2209		if (remainingListeners) {
2210			switchToBackground();
2211		}
2212	}
2213
2214	public boolean checkListeners() {
2215		return (this.mOnAccountUpdates.size() == 0
2216				&& this.mOnConversationUpdates.size() == 0
2217				&& this.mOnRosterUpdates.size() == 0
2218				&& this.mOnCaptchaRequested.size() == 0
2219				&& this.mOnMucRosterUpdate.size() == 0
2220				&& this.mOnUpdateBlocklist.size() == 0
2221				&& this.mOnShowErrorToasts.size() == 0
2222				&& this.mOnKeyStatusUpdated.size() == 0);
2223	}
2224
2225	private void switchToForeground() {
2226		final boolean broadcastLastActivity = broadcastLastActivity();
2227		for (Conversation conversation : getConversations()) {
2228			if (conversation.getMode() == Conversation.MODE_MULTI) {
2229				conversation.getMucOptions().resetChatState();
2230			} else {
2231				conversation.setIncomingChatState(Config.DEFAULT_CHATSTATE);
2232			}
2233		}
2234		for (Account account : getAccounts()) {
2235			if (account.getStatus() == Account.State.ONLINE) {
2236				account.deactivateGracePeriod();
2237				final XmppConnection connection = account.getXmppConnection();
2238				if (connection != null) {
2239					if (connection.getFeatures().csi()) {
2240						connection.sendActive();
2241					}
2242					if (broadcastLastActivity) {
2243						sendPresence(account, false); //send new presence but don't include idle because we are not
2244					}
2245				}
2246			}
2247		}
2248		Log.d(Config.LOGTAG, "app switched into foreground");
2249	}
2250
2251	private void switchToBackground() {
2252		final boolean broadcastLastActivity = broadcastLastActivity();
2253		if (broadcastLastActivity) {
2254			mLastActivity = System.currentTimeMillis();
2255			final SharedPreferences.Editor editor = getPreferences().edit();
2256			editor.putLong(SETTING_LAST_ACTIVITY_TS, mLastActivity);
2257			editor.apply();
2258		}
2259		for (Account account : getAccounts()) {
2260			if (account.getStatus() == Account.State.ONLINE) {
2261				XmppConnection connection = account.getXmppConnection();
2262				if (connection != null) {
2263					if (broadcastLastActivity) {
2264						sendPresence(account, true);
2265					}
2266					if (connection.getFeatures().csi()) {
2267						connection.sendInactive();
2268					}
2269				}
2270			}
2271		}
2272		this.mNotificationService.setIsInForeground(false);
2273		Log.d(Config.LOGTAG, "app switched into background");
2274	}
2275
2276	private void connectMultiModeConversations(Account account) {
2277		List<Conversation> conversations = getConversations();
2278		for (Conversation conversation : conversations) {
2279			if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
2280				joinMuc(conversation);
2281			}
2282		}
2283	}
2284
2285	public void joinMuc(Conversation conversation) {
2286		joinMuc(conversation, null, false);
2287	}
2288
2289	public void joinMuc(Conversation conversation, boolean followedInvite) {
2290		joinMuc(conversation, null, followedInvite);
2291	}
2292
2293	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2294		joinMuc(conversation, onConferenceJoined, false);
2295	}
2296
2297	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined, final boolean followedInvite) {
2298		Account account = conversation.getAccount();
2299		account.pendingConferenceJoins.remove(conversation);
2300		account.pendingConferenceLeaves.remove(conversation);
2301		if (account.getStatus() == Account.State.ONLINE) {
2302			sendPresencePacket(account, mPresenceGenerator.leave(conversation.getMucOptions()));
2303			conversation.resetMucOptions();
2304			if (onConferenceJoined != null) {
2305				conversation.getMucOptions().flagNoAutoPushConfiguration();
2306			}
2307			conversation.setHasMessagesLeftOnServer(false);
2308			fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
2309
2310				private void join(Conversation conversation) {
2311					Account account = conversation.getAccount();
2312					final MucOptions mucOptions = conversation.getMucOptions();
2313
2314					if (mucOptions.nonanonymous() && !mucOptions.membersOnly() && !conversation.getBooleanAttribute("accept_non_anonymous", false)) {
2315					    mucOptions.setError(MucOptions.Error.NON_ANONYMOUS);
2316					    updateConversationUi();
2317					    return;
2318                    }
2319
2320					final Jid joinJid = mucOptions.getSelf().getFullJid();
2321					Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": joining conversation " + joinJid.toString());
2322					PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous() || onConferenceJoined != null);
2323					packet.setTo(joinJid);
2324					Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
2325					if (conversation.getMucOptions().getPassword() != null) {
2326						x.addChild("password").setContent(mucOptions.getPassword());
2327					}
2328
2329					if (mucOptions.mamSupport()) {
2330						// Use MAM instead of the limited muc history to get history
2331						x.addChild("history").setAttribute("maxchars", "0");
2332					} else {
2333						// Fallback to muc history
2334						x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted().getTimestamp()));
2335					}
2336					sendPresencePacket(account, packet);
2337					if (onConferenceJoined != null) {
2338						onConferenceJoined.onConferenceJoined(conversation);
2339					}
2340					if (!joinJid.equals(conversation.getJid())) {
2341						conversation.setContactJid(joinJid);
2342						databaseBackend.updateConversation(conversation);
2343					}
2344
2345					if (mucOptions.mamSupport()) {
2346						getMessageArchiveService().catchupMUC(conversation);
2347					}
2348					if (mucOptions.isPrivateAndNonAnonymous()) {
2349						fetchConferenceMembers(conversation);
2350						if (followedInvite && conversation.getBookmark() == null) {
2351							saveConversationAsBookmark(conversation, null);
2352						}
2353					}
2354					sendUnsentMessages(conversation);
2355				}
2356
2357				@Override
2358				public void onConferenceConfigurationFetched(Conversation conversation) {
2359				    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2360				        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": conversation ("+conversation.getJid()+") got archived before IQ result");
2361				        return;
2362                    }
2363					join(conversation);
2364				}
2365
2366				@Override
2367				public void onFetchFailed(final Conversation conversation, Element error) {
2368                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2369                        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": conversation ("+conversation.getJid()+") got archived before IQ result");
2370                        return;
2371                    }
2372					if (error != null && "remote-server-not-found".equals(error.getName())) {
2373						conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
2374						updateConversationUi();
2375					} else {
2376						join(conversation);
2377						fetchConferenceConfiguration(conversation);
2378					}
2379				}
2380			});
2381			updateConversationUi();
2382		} else {
2383			account.pendingConferenceJoins.add(conversation);
2384			conversation.resetMucOptions();
2385			conversation.setHasMessagesLeftOnServer(false);
2386			updateConversationUi();
2387		}
2388	}
2389
2390	private void fetchConferenceMembers(final Conversation conversation) {
2391		final Account account = conversation.getAccount();
2392		final AxolotlService axolotlService = account.getAxolotlService();
2393		final String[] affiliations = {"member", "admin", "owner"};
2394		OnIqPacketReceived callback = new OnIqPacketReceived() {
2395
2396			private int i = 0;
2397			private boolean success = true;
2398
2399			@Override
2400			public void onIqPacketReceived(Account account, IqPacket packet) {
2401				final boolean omemoEnabled = conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL;
2402				Element query = packet.query("http://jabber.org/protocol/muc#admin");
2403				if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2404					for (Element child : query.getChildren()) {
2405						if ("item".equals(child.getName())) {
2406							MucOptions.User user = AbstractParser.parseItem(conversation, child);
2407							if (!user.realJidMatchesAccount()) {
2408								boolean isNew = conversation.getMucOptions().updateUser(user);
2409								Contact contact = user.getContact();
2410								if (omemoEnabled
2411										&& isNew
2412										&& user.getRealJid() != null
2413										&& (contact == null || !contact.mutualPresenceSubscription())
2414										&& axolotlService.hasEmptyDeviceList(user.getRealJid())) {
2415									axolotlService.fetchDeviceIds(user.getRealJid());
2416								}
2417							}
2418						}
2419					}
2420				} else {
2421					success = false;
2422					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not request affiliation " + affiliations[i] + " in " + conversation.getJid().asBareJid());
2423				}
2424				++i;
2425				if (i >= affiliations.length) {
2426					List<Jid> members = conversation.getMucOptions().getMembers(true);
2427					if (success) {
2428						List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
2429						boolean changed = false;
2430						for (ListIterator<Jid> iterator = cryptoTargets.listIterator(); iterator.hasNext(); ) {
2431							Jid jid = iterator.next();
2432							if (!members.contains(jid) && !members.contains(Jid.ofDomain(jid.getDomain()))) {
2433								iterator.remove();
2434								Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
2435								changed = true;
2436							}
2437						}
2438						if (changed) {
2439							conversation.setAcceptedCryptoTargets(cryptoTargets);
2440							updateConversation(conversation);
2441						}
2442					}
2443					getAvatarService().clear(conversation);
2444					updateMucRosterUi();
2445					updateConversationUi();
2446				}
2447			}
2448		};
2449		for (String affiliation : affiliations) {
2450			sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
2451		}
2452		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching members for " + conversation.getName());
2453	}
2454
2455	public void providePasswordForMuc(Conversation conversation, String password) {
2456		if (conversation.getMode() == Conversation.MODE_MULTI) {
2457			conversation.getMucOptions().setPassword(password);
2458			if (conversation.getBookmark() != null) {
2459				if (synchronizeWithBookmarks()) {
2460					conversation.getBookmark().setAutojoin(true);
2461				}
2462				pushBookmarks(conversation.getAccount());
2463			}
2464			updateConversation(conversation);
2465			joinMuc(conversation);
2466		}
2467	}
2468
2469	private boolean hasEnabledAccounts() {
2470		for (Account account : this.accounts) {
2471			if (account.isEnabled()) {
2472				return true;
2473			}
2474		}
2475		return false;
2476	}
2477
2478
2479	public void getAttachments(final Conversation conversation, int limit, final OnMediaLoaded onMediaLoaded) {
2480        getAttachments(conversation.getAccount(), conversation.getJid().asBareJid(), limit, onMediaLoaded);
2481    }
2482
2483    public void getAttachments(final Account account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
2484        getAttachments(account.getUuid(),jid.asBareJid(),limit, onMediaLoaded);
2485    }
2486
2487
2488	public void getAttachments(final String account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
2489        new Thread(() -> onMediaLoaded.onMediaLoaded(fileBackend.convertToAttachments(databaseBackend.getRelativeFilePaths(account, jid, limit)))).start();
2490    }
2491
2492	public void persistSelfNick(MucOptions.User self) {
2493		final Conversation conversation = self.getConversation();
2494		final boolean tookProposedNickFromBookmark = conversation.getMucOptions().isTookProposedNickFromBookmark();
2495		Jid full = self.getFullJid();
2496		if (!full.equals(conversation.getJid())) {
2497			Log.d(Config.LOGTAG, "nick changed. updating");
2498			conversation.setContactJid(full);
2499			databaseBackend.updateConversation(conversation);
2500		}
2501
2502		final Bookmark bookmark = conversation.getBookmark();
2503		final String bookmarkedNick = bookmark == null ? null : bookmark.getNick();
2504        if (bookmark != null && (tookProposedNickFromBookmark || TextUtils.isEmpty(bookmarkedNick)) && !full.getResource().equals(bookmarkedNick)) {
2505            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": persist nick '" + full.getResource() + "' into bookmark for " + conversation.getJid().asBareJid());
2506            bookmark.setNick(full.getResource());
2507            pushBookmarks(bookmark.getAccount());
2508        }
2509	}
2510
2511	public boolean renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
2512		final MucOptions options = conversation.getMucOptions();
2513		final Jid joinJid = options.createJoinJid(nick);
2514		if (joinJid == null) {
2515			return false;
2516		}
2517		if (options.online()) {
2518			Account account = conversation.getAccount();
2519			options.setOnRenameListener(new OnRenameListener() {
2520
2521				@Override
2522				public void onSuccess() {
2523					callback.success(conversation);
2524				}
2525
2526				@Override
2527				public void onFailure() {
2528					callback.error(R.string.nick_in_use, conversation);
2529				}
2530			});
2531
2532			PresencePacket packet = new PresencePacket();
2533			packet.setTo(joinJid);
2534			packet.setFrom(conversation.getAccount().getJid());
2535
2536			String sig = account.getPgpSignature();
2537			if (sig != null) {
2538				packet.addChild("status").setContent("online");
2539				packet.addChild("x", "jabber:x:signed").setContent(sig);
2540			}
2541			sendPresencePacket(account, packet);
2542		} else {
2543			conversation.setContactJid(joinJid);
2544			databaseBackend.updateConversation(conversation);
2545			if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2546				Bookmark bookmark = conversation.getBookmark();
2547				if (bookmark != null) {
2548					bookmark.setNick(nick);
2549					pushBookmarks(bookmark.getAccount());
2550				}
2551				joinMuc(conversation);
2552			}
2553		}
2554		return true;
2555	}
2556
2557	public void leaveMuc(Conversation conversation) {
2558		leaveMuc(conversation, false);
2559	}
2560
2561	private void leaveMuc(Conversation conversation, boolean now) {
2562		Account account = conversation.getAccount();
2563		account.pendingConferenceJoins.remove(conversation);
2564		account.pendingConferenceLeaves.remove(conversation);
2565		if (account.getStatus() == Account.State.ONLINE || now) {
2566			sendPresencePacket(conversation.getAccount(), mPresenceGenerator.leave(conversation.getMucOptions()));
2567			conversation.getMucOptions().setOffline();
2568			Bookmark bookmark = conversation.getBookmark();
2569			if (bookmark != null) {
2570				bookmark.setConversation(null);
2571			}
2572			Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": leaving muc " + conversation.getJid());
2573		} else {
2574			account.pendingConferenceLeaves.add(conversation);
2575		}
2576	}
2577
2578	public String findConferenceServer(final Account account) {
2579		String server;
2580		if (account.getXmppConnection() != null) {
2581			server = account.getXmppConnection().getMucServer();
2582			if (server != null) {
2583				return server;
2584			}
2585		}
2586		for (Account other : getAccounts()) {
2587			if (other != account && other.getXmppConnection() != null) {
2588				server = other.getXmppConnection().getMucServer();
2589				if (server != null) {
2590					return server;
2591				}
2592			}
2593		}
2594		return null;
2595	}
2596
2597	public boolean createAdhocConference(final Account account,
2598	                                     final String name,
2599	                                     final Iterable<Jid> jids,
2600	                                     final UiCallback<Conversation> callback) {
2601		Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": creating adhoc conference with " + jids.toString());
2602		if (account.getStatus() == Account.State.ONLINE) {
2603			try {
2604				String server = findConferenceServer(account);
2605				if (server == null) {
2606					if (callback != null) {
2607						callback.error(R.string.no_conference_server_found, null);
2608					}
2609					return false;
2610				}
2611				final Jid jid = Jid.of(CryptoHelper.pronounceable(getRNG()), server, null);
2612				final Conversation conversation = findOrCreateConversation(account, jid, true, false, true);
2613				joinMuc(conversation, new OnConferenceJoined() {
2614					@Override
2615					public void onConferenceJoined(final Conversation conversation) {
2616						final Bundle configuration = IqGenerator.defaultRoomConfiguration();
2617						if (!TextUtils.isEmpty(name)) {
2618							configuration.putString("muc#roomconfig_roomname", name);
2619						}
2620						pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
2621							@Override
2622							public void onPushSucceeded() {
2623								for (Jid invite : jids) {
2624									invite(conversation, invite);
2625								}
2626								if (account.countPresences() > 1) {
2627									directInvite(conversation, account.getJid().asBareJid());
2628								}
2629								saveConversationAsBookmark(conversation, name);
2630								if (callback != null) {
2631									callback.success(conversation);
2632								}
2633							}
2634
2635							@Override
2636							public void onPushFailed() {
2637								archiveConversation(conversation);
2638								if (callback != null) {
2639									callback.error(R.string.conference_creation_failed, conversation);
2640								}
2641							}
2642						});
2643					}
2644				});
2645				return true;
2646			} catch (IllegalArgumentException e) {
2647				if (callback != null) {
2648					callback.error(R.string.conference_creation_failed, null);
2649				}
2650				return false;
2651			}
2652		} else {
2653			if (callback != null) {
2654				callback.error(R.string.not_connected_try_again, null);
2655			}
2656			return false;
2657		}
2658	}
2659
2660	public void fetchConferenceConfiguration(final Conversation conversation) {
2661		fetchConferenceConfiguration(conversation, null);
2662	}
2663
2664	public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
2665		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2666		request.setTo(conversation.getJid().asBareJid());
2667		request.query("http://jabber.org/protocol/disco#info");
2668		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2669			@Override
2670			public void onIqPacketReceived(Account account, IqPacket packet) {
2671				if (packet.getType() == IqPacket.TYPE.RESULT) {
2672
2673					final MucOptions mucOptions = conversation.getMucOptions();
2674					final Bookmark bookmark = conversation.getBookmark();
2675					final boolean sameBefore = StringUtils.equals(bookmark == null ? null : bookmark.getBookmarkName(), mucOptions.getName());
2676
2677					if (mucOptions.updateConfiguration(new ServiceDiscoveryResult(packet))) {
2678						Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": muc configuration changed for " + conversation.getJid().asBareJid());
2679						updateConversation(conversation);
2680					}
2681
2682					if (bookmark != null && (sameBefore || bookmark.getBookmarkName() == null)) {
2683						if (bookmark.setBookmarkName(StringUtils.nullOnEmpty(mucOptions.getName()))) {
2684							pushBookmarks(account);
2685						}
2686					}
2687
2688
2689					if (callback != null) {
2690						callback.onConferenceConfigurationFetched(conversation);
2691					}
2692
2693
2694
2695					updateConversationUi();
2696				} else if (packet.getType() == IqPacket.TYPE.ERROR) {
2697					if (callback != null) {
2698						callback.onFetchFailed(conversation, packet.getError());
2699					}
2700				}
2701			}
2702		});
2703	}
2704
2705	public void pushNodeConfiguration(Account account, final String node, final Bundle options, final OnConfigurationPushed callback) {
2706		pushNodeConfiguration(account, account.getJid().asBareJid(), node, options, callback);
2707	}
2708
2709	public void pushNodeConfiguration(Account account, final Jid jid, final String node, final Bundle options, final OnConfigurationPushed callback) {
2710        Log.d(Config.LOGTAG,"pushing node configuration");
2711		sendIqPacket(account, mIqGenerator.requestPubsubConfiguration(jid, node), new OnIqPacketReceived() {
2712			@Override
2713			public void onIqPacketReceived(Account account, IqPacket packet) {
2714				if (packet.getType() == IqPacket.TYPE.RESULT) {
2715					Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub#owner");
2716					Element configuration = pubsub == null ? null : pubsub.findChild("configure");
2717					Element x = configuration == null ? null : configuration.findChild("x", Namespace.DATA);
2718					if (x != null) {
2719						Data data = Data.parse(x);
2720						data.submit(options);
2721						sendIqPacket(account, mIqGenerator.publishPubsubConfiguration(jid, node, data), new OnIqPacketReceived() {
2722							@Override
2723							public void onIqPacketReceived(Account account, IqPacket packet) {
2724								if (packet.getType() == IqPacket.TYPE.RESULT && callback != null) {
2725									Log.d(Config.LOGTAG,account.getJid().asBareJid()+": successfully changed node configuration for node "+node);
2726									callback.onPushSucceeded();
2727								} else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
2728									callback.onPushFailed();
2729								}
2730							}
2731						});
2732					} else if (callback != null) {
2733						callback.onPushFailed();
2734					}
2735				} else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
2736					callback.onPushFailed();
2737				}
2738			}
2739		});
2740	}
2741
2742	public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConfigurationPushed callback) {
2743		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2744		request.setTo(conversation.getJid().asBareJid());
2745		request.query("http://jabber.org/protocol/muc#owner");
2746		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2747			@Override
2748			public void onIqPacketReceived(Account account, IqPacket packet) {
2749				if (packet.getType() == IqPacket.TYPE.RESULT) {
2750					Data data = Data.parse(packet.query().findChild("x", Namespace.DATA));
2751					data.submit(options);
2752					IqPacket set = new IqPacket(IqPacket.TYPE.SET);
2753					set.setTo(conversation.getJid().asBareJid());
2754					set.query("http://jabber.org/protocol/muc#owner").addChild(data);
2755					sendIqPacket(account, set, new OnIqPacketReceived() {
2756						@Override
2757						public void onIqPacketReceived(Account account, IqPacket packet) {
2758							if (callback != null) {
2759								if (packet.getType() == IqPacket.TYPE.RESULT) {
2760									callback.onPushSucceeded();
2761								} else {
2762									callback.onPushFailed();
2763								}
2764							}
2765						}
2766					});
2767				} else {
2768					if (callback != null) {
2769						callback.onPushFailed();
2770					}
2771				}
2772			}
2773		});
2774	}
2775
2776	public void pushSubjectToConference(final Conversation conference, final String subject) {
2777		MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, StringUtils.nullOnEmpty(subject));
2778		this.sendMessagePacket(conference.getAccount(), packet);
2779	}
2780
2781	public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
2782		final Jid jid = user.asBareJid();
2783		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
2784		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2785			@Override
2786			public void onIqPacketReceived(Account account, IqPacket packet) {
2787				if (packet.getType() == IqPacket.TYPE.RESULT) {
2788					conference.getMucOptions().changeAffiliation(jid, affiliation);
2789					getAvatarService().clear(conference);
2790					callback.onAffiliationChangedSuccessful(jid);
2791				} else {
2792					callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
2793				}
2794			}
2795		});
2796	}
2797
2798	public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
2799		List<Jid> jids = new ArrayList<>();
2800		for (MucOptions.User user : conference.getMucOptions().getUsers()) {
2801			if (user.getAffiliation() == before && user.getRealJid() != null) {
2802				jids.add(user.getRealJid());
2803			}
2804		}
2805		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
2806		sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
2807	}
2808
2809	public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role, final OnRoleChanged callback) {
2810		IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
2811		Log.d(Config.LOGTAG, request.toString());
2812		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2813			@Override
2814			public void onIqPacketReceived(Account account, IqPacket packet) {
2815				Log.d(Config.LOGTAG, packet.toString());
2816				if (packet.getType() == IqPacket.TYPE.RESULT) {
2817					callback.onRoleChangedSuccessful(nick);
2818				} else {
2819					callback.onRoleChangeFailed(nick, R.string.could_not_change_role);
2820				}
2821			}
2822		});
2823	}
2824
2825	private void disconnect(Account account, boolean force) {
2826		if ((account.getStatus() == Account.State.ONLINE)
2827				|| (account.getStatus() == Account.State.DISABLED)) {
2828			final XmppConnection connection = account.getXmppConnection();
2829			if (!force) {
2830				List<Conversation> conversations = getConversations();
2831				for (Conversation conversation : conversations) {
2832					if (conversation.getAccount() == account) {
2833						if (conversation.getMode() == Conversation.MODE_MULTI) {
2834							leaveMuc(conversation, true);
2835						}
2836					}
2837				}
2838				sendOfflinePresence(account);
2839			}
2840			connection.disconnect(force);
2841		}
2842	}
2843
2844	@Override
2845	public IBinder onBind(Intent intent) {
2846		return mBinder;
2847	}
2848
2849	public void updateMessage(Message message) {
2850		updateMessage(message, true);
2851	}
2852
2853	public void updateMessage(Message message, boolean includeBody) {
2854		databaseBackend.updateMessage(message, includeBody);
2855		updateConversationUi();
2856	}
2857
2858	public void updateMessage(Message message, String uuid) {
2859		if (!databaseBackend.updateMessage(message, uuid)) {
2860            Log.e(Config.LOGTAG,"error updated message in DB after edit");
2861        }
2862		updateConversationUi();
2863	}
2864
2865	protected void syncDirtyContacts(Account account) {
2866		for (Contact contact : account.getRoster().getContacts()) {
2867			if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
2868				pushContactToServer(contact);
2869			}
2870			if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
2871				deleteContactOnServer(contact);
2872			}
2873		}
2874	}
2875
2876	public void createContact(Contact contact, boolean autoGrant) {
2877		if (autoGrant) {
2878			contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
2879			contact.setOption(Contact.Options.ASKING);
2880		}
2881		pushContactToServer(contact);
2882	}
2883
2884	public void pushContactToServer(final Contact contact) {
2885		contact.resetOption(Contact.Options.DIRTY_DELETE);
2886		contact.setOption(Contact.Options.DIRTY_PUSH);
2887		final Account account = contact.getAccount();
2888		if (account.getStatus() == Account.State.ONLINE) {
2889			final boolean ask = contact.getOption(Contact.Options.ASKING);
2890			final boolean sendUpdates = contact
2891					.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
2892					&& contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
2893			final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2894			iq.query(Namespace.ROSTER).addChild(contact.asElement());
2895			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2896			if (sendUpdates) {
2897				sendPresencePacket(account, mPresenceGenerator.sendPresenceUpdatesTo(contact));
2898			}
2899			if (ask) {
2900				sendPresencePacket(account, mPresenceGenerator.requestPresenceUpdatesFrom(contact));
2901			}
2902		} else {
2903			syncRoster(contact.getAccount());
2904		}
2905	}
2906
2907	public void publishMucAvatar(final Conversation conversation, final Uri image, final OnAvatarPublication callback) {
2908		new Thread(() -> {
2909			final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
2910			final int size = Config.AVATAR_SIZE;
2911			final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
2912			if (avatar != null) {
2913				if (!getFileBackend().save(avatar)) {
2914					callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
2915					return;
2916				}
2917				avatar.owner = conversation.getJid().asBareJid();
2918				publishMucAvatar(conversation, avatar, callback);
2919			} else {
2920				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
2921			}
2922		}).start();
2923	}
2924
2925	public void publishAvatar(final Account account, final Uri image, final OnAvatarPublication callback) {
2926		new Thread(() -> {
2927			final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
2928			final int size = Config.AVATAR_SIZE;
2929			final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
2930			if (avatar != null) {
2931				if (!getFileBackend().save(avatar)) {
2932					Log.d(Config.LOGTAG,"unable to save vcard");
2933					callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
2934					return;
2935				}
2936				publishAvatar(account, avatar, callback);
2937			} else {
2938				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
2939			}
2940		}).start();
2941
2942	}
2943
2944	private void publishMucAvatar(Conversation conversation, Avatar avatar, OnAvatarPublication callback) {
2945		final IqPacket retrieve = mIqGenerator.retrieveVcardAvatar(avatar);
2946		sendIqPacket(conversation.getAccount(), retrieve, (account, response) -> {
2947			boolean itemNotFound = response.getType() == IqPacket.TYPE.ERROR && response.hasChild("error") && response.findChild("error").hasChild("item-not-found");
2948			if (response.getType() == IqPacket.TYPE.RESULT || itemNotFound) {
2949				Element vcard = response.findChild("vCard", "vcard-temp");
2950				if (vcard == null) {
2951					vcard = new Element("vCard", "vcard-temp");
2952				}
2953				Element photo = vcard.findChild("PHOTO");
2954				if (photo == null) {
2955					photo = vcard.addChild("PHOTO");
2956				}
2957				photo.clearChildren();
2958				photo.addChild("TYPE").setContent(avatar.type);
2959				photo.addChild("BINVAL").setContent(avatar.image);
2960				IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
2961				publication.setTo(conversation.getJid().asBareJid());
2962				publication.addChild(vcard);
2963				sendIqPacket(account, publication, (a1, publicationResponse) -> {
2964					if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
2965						callback.onAvatarPublicationSucceeded();
2966					} else {
2967						Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getError());
2968						callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
2969					}
2970				});
2971			} else {
2972				Log.d(Config.LOGTAG, "failed to request vcard " + response.toString());
2973				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_no_server_support);
2974			}
2975		});
2976	}
2977
2978    public void publishAvatar(Account account, final Avatar avatar, final OnAvatarPublication callback) {
2979        final Bundle options;
2980        if (account.getXmppConnection().getFeatures().pepPublishOptions()) {
2981            options = PublishOptions.openAccess();
2982        } else {
2983            options = null;
2984        }
2985        publishAvatar(account, avatar, options, true, callback);
2986    }
2987
2988	public void publishAvatar(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
2989        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": publishing avatar. options="+options);
2990		IqPacket packet = this.mIqGenerator.publishAvatar(avatar, options);
2991		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2992
2993			@Override
2994			public void onIqPacketReceived(Account account, IqPacket result) {
2995				if (result.getType() == IqPacket.TYPE.RESULT) {
2996                    publishAvatarMetadata(account, avatar, options,true, callback);
2997                } else if (retry && PublishOptions.preconditionNotMet(result)) {
2998				    pushNodeConfiguration(account, "urn:xmpp:avatar:data", options, new OnConfigurationPushed() {
2999                        @Override
3000                        public void onPushSucceeded() {
3001                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": changed node configuration for avatar node");
3002                            publishAvatar(account, avatar, options, false, callback);
3003                        }
3004
3005                        @Override
3006                        public void onPushFailed() {
3007                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to change node configuration for avatar node");
3008                            publishAvatar(account, avatar, null, false, callback);
3009                        }
3010                    });
3011				} else {
3012					Element error = result.findChild("error");
3013					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server rejected avatar " + (avatar.size / 1024) + "KiB " + (error != null ? error.toString() : ""));
3014					if (callback != null) {
3015						callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3016					}
3017				}
3018			}
3019		});
3020	}
3021
3022	public void publishAvatarMetadata(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3023        final IqPacket packet = XmppConnectionService.this.mIqGenerator.publishAvatarMetadata(avatar, options);
3024        sendIqPacket(account, packet, new OnIqPacketReceived() {
3025            @Override
3026            public void onIqPacketReceived(Account account, IqPacket result) {
3027                if (result.getType() == IqPacket.TYPE.RESULT) {
3028                    if (account.setAvatar(avatar.getFilename())) {
3029                        getAvatarService().clear(account);
3030                        databaseBackend.updateAccount(account);
3031                    }
3032                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": published avatar " + (avatar.size / 1024) + "KiB");
3033                    if (callback != null) {
3034                        callback.onAvatarPublicationSucceeded();
3035                    }
3036                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3037                    pushNodeConfiguration(account, "urn:xmpp:avatar:metadata", options, new OnConfigurationPushed() {
3038                        @Override
3039                        public void onPushSucceeded() {
3040                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": changed node configuration for avatar meta data node");
3041                            publishAvatarMetadata(account, avatar, options,false, callback);
3042                        }
3043
3044                        @Override
3045                        public void onPushFailed() {
3046                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to change node configuration for avatar meta data node");
3047                            publishAvatarMetadata(account, avatar,  null,false, callback);
3048                        }
3049                    });
3050                } else {
3051                    if (callback != null) {
3052                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3053                    }
3054                }
3055            }
3056        });
3057    }
3058
3059	public void republishAvatarIfNeeded(Account account) {
3060		if (account.getAxolotlService().isPepBroken()) {
3061			Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping republication of avatar because pep is broken");
3062			return;
3063		}
3064		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3065		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3066
3067			private Avatar parseAvatar(IqPacket packet) {
3068				Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3069				if (pubsub != null) {
3070					Element items = pubsub.findChild("items");
3071					if (items != null) {
3072						return Avatar.parseMetadata(items);
3073					}
3074				}
3075				return null;
3076			}
3077
3078			private boolean errorIsItemNotFound(IqPacket packet) {
3079				Element error = packet.findChild("error");
3080				return packet.getType() == IqPacket.TYPE.ERROR
3081						&& error != null
3082						&& error.hasChild("item-not-found");
3083			}
3084
3085			@Override
3086			public void onIqPacketReceived(Account account, IqPacket packet) {
3087				if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
3088					Avatar serverAvatar = parseAvatar(packet);
3089					if (serverAvatar == null && account.getAvatar() != null) {
3090						Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
3091						if (avatar != null) {
3092							Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar on server was null. republishing");
3093							publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
3094						} else {
3095							Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": error rereading avatar");
3096						}
3097					}
3098				}
3099			}
3100		});
3101	}
3102
3103	public void fetchAvatar(Account account, Avatar avatar) {
3104		fetchAvatar(account, avatar, null);
3105	}
3106
3107	public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3108		final String KEY = generateFetchKey(account, avatar);
3109		synchronized (this.mInProgressAvatarFetches) {
3110			if (!this.mInProgressAvatarFetches.contains(KEY)) {
3111				switch (avatar.origin) {
3112					case PEP:
3113						this.mInProgressAvatarFetches.add(KEY);
3114						fetchAvatarPep(account, avatar, callback);
3115						break;
3116					case VCARD:
3117						this.mInProgressAvatarFetches.add(KEY);
3118						fetchAvatarVcard(account, avatar, callback);
3119						break;
3120				}
3121			}
3122		}
3123	}
3124
3125	private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3126		IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
3127		sendIqPacket(account, packet, (a, result) -> {
3128			synchronized (mInProgressAvatarFetches) {
3129				mInProgressAvatarFetches.remove(generateFetchKey(a, avatar));
3130			}
3131			final String ERROR = a.getJid().asBareJid() + ": fetching avatar for " + avatar.owner + " failed ";
3132			if (result.getType() == IqPacket.TYPE.RESULT) {
3133				avatar.image = mIqParser.avatarData(result);
3134				if (avatar.image != null) {
3135					if (getFileBackend().save(avatar)) {
3136						if (a.getJid().asBareJid().equals(avatar.owner)) {
3137							if (a.setAvatar(avatar.getFilename())) {
3138								databaseBackend.updateAccount(a);
3139							}
3140							getAvatarService().clear(a);
3141							updateConversationUi();
3142							updateAccountUi();
3143						} else {
3144							Contact contact = a.getRoster().getContact(avatar.owner);
3145							if (contact.setAvatar(avatar)) {
3146								syncRoster(account);
3147								getAvatarService().clear(contact);
3148								updateConversationUi();
3149								updateRosterUi();
3150							}
3151						}
3152						if (callback != null) {
3153							callback.success(avatar);
3154						}
3155						Log.d(Config.LOGTAG, a.getJid().asBareJid()
3156								+ ": successfully fetched pep avatar for " + avatar.owner);
3157						return;
3158					}
3159				} else {
3160
3161					Log.d(Config.LOGTAG, ERROR + "(parsing error)");
3162				}
3163			} else {
3164				Element error = result.findChild("error");
3165				if (error == null) {
3166					Log.d(Config.LOGTAG, ERROR + "(server error)");
3167				} else {
3168					Log.d(Config.LOGTAG, ERROR + error.toString());
3169				}
3170			}
3171			if (callback != null) {
3172				callback.error(0, null);
3173			}
3174
3175		});
3176	}
3177
3178	private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3179		IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
3180		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3181			@Override
3182			public void onIqPacketReceived(Account account, IqPacket packet) {
3183				synchronized (mInProgressAvatarFetches) {
3184					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
3185				}
3186				if (packet.getType() == IqPacket.TYPE.RESULT) {
3187					Element vCard = packet.findChild("vCard", "vcard-temp");
3188					Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
3189					String image = photo != null ? photo.findChildContent("BINVAL") : null;
3190					if (image != null) {
3191						avatar.image = image;
3192						if (getFileBackend().save(avatar)) {
3193							Log.d(Config.LOGTAG, account.getJid().asBareJid()
3194									+ ": successfully fetched vCard avatar for " + avatar.owner);
3195							if (avatar.owner.isBareJid()) {
3196								if (account.getJid().asBareJid().equals(avatar.owner) && account.getAvatar() == null) {
3197									Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": had no avatar. replacing with vcard");
3198									account.setAvatar(avatar.getFilename());
3199									databaseBackend.updateAccount(account);
3200									getAvatarService().clear(account);
3201									updateAccountUi();
3202								} else {
3203									Contact contact = account.getRoster().getContact(avatar.owner);
3204									if (contact.setAvatar(avatar)) {
3205										syncRoster(account);
3206										getAvatarService().clear(contact);
3207										updateRosterUi();
3208									}
3209								}
3210								updateConversationUi();
3211							} else {
3212								Conversation conversation = find(account, avatar.owner.asBareJid());
3213								if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
3214									MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
3215									if (user != null) {
3216										if (user.setAvatar(avatar)) {
3217											getAvatarService().clear(user);
3218											updateConversationUi();
3219											updateMucRosterUi();
3220										}
3221										if (user.getRealJid() != null) {
3222										    Contact contact = account.getRoster().getContact(user.getRealJid());
3223										    if (contact.setAvatar(avatar)) {
3224                                                syncRoster(account);
3225                                                getAvatarService().clear(contact);
3226                                                updateRosterUi();
3227                                            }
3228                                        }
3229									}
3230								}
3231							}
3232						}
3233					}
3234				}
3235			}
3236		});
3237	}
3238
3239	public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
3240		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3241		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3242
3243			@Override
3244			public void onIqPacketReceived(Account account, IqPacket packet) {
3245				if (packet.getType() == IqPacket.TYPE.RESULT) {
3246					Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3247					if (pubsub != null) {
3248						Element items = pubsub.findChild("items");
3249						if (items != null) {
3250							Avatar avatar = Avatar.parseMetadata(items);
3251							if (avatar != null) {
3252								avatar.owner = account.getJid().asBareJid();
3253								if (fileBackend.isAvatarCached(avatar)) {
3254									if (account.setAvatar(avatar.getFilename())) {
3255										databaseBackend.updateAccount(account);
3256									}
3257									getAvatarService().clear(account);
3258									callback.success(avatar);
3259								} else {
3260									fetchAvatarPep(account, avatar, callback);
3261								}
3262								return;
3263							}
3264						}
3265					}
3266				}
3267				callback.error(0, null);
3268			}
3269		});
3270	}
3271
3272	public void deleteContactOnServer(Contact contact) {
3273		contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
3274		contact.resetOption(Contact.Options.DIRTY_PUSH);
3275		contact.setOption(Contact.Options.DIRTY_DELETE);
3276		Account account = contact.getAccount();
3277		if (account.getStatus() == Account.State.ONLINE) {
3278			IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3279			Element item = iq.query(Namespace.ROSTER).addChild("item");
3280			item.setAttribute("jid", contact.getJid().toString());
3281			item.setAttribute("subscription", "remove");
3282			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3283		}
3284	}
3285
3286	public void updateConversation(final Conversation conversation) {
3287		mDatabaseWriterExecutor.execute(() -> databaseBackend.updateConversation(conversation));
3288	}
3289
3290	private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
3291		synchronized (account) {
3292			XmppConnection connection = account.getXmppConnection();
3293			if (connection == null) {
3294				connection = createConnection(account);
3295				account.setXmppConnection(connection);
3296			}
3297			boolean hasInternet = hasInternetConnection();
3298			if (account.isEnabled() && hasInternet) {
3299				if (!force) {
3300					disconnect(account, false);
3301				}
3302				Thread thread = new Thread(connection);
3303				connection.setInteractive(interactive);
3304				connection.prepareNewConnection();
3305				connection.interrupt();
3306				thread.start();
3307				scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
3308			} else {
3309				disconnect(account, force || account.getTrueStatus().isError() || !hasInternet);
3310				account.getRoster().clearPresences();
3311				connection.resetEverything();
3312				final AxolotlService axolotlService = account.getAxolotlService();
3313				if (axolotlService != null) {
3314					axolotlService.resetBrokenness();
3315				}
3316				if (!hasInternet) {
3317					account.setStatus(Account.State.NO_INTERNET);
3318				}
3319			}
3320		}
3321	}
3322
3323	public void reconnectAccountInBackground(final Account account) {
3324		new Thread(() -> reconnectAccount(account, false, true)).start();
3325	}
3326
3327	public void invite(Conversation conversation, Jid contact) {
3328		Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": inviting " + contact + " to " + conversation.getJid().asBareJid());
3329		MessagePacket packet = mMessageGenerator.invite(conversation, contact);
3330		sendMessagePacket(conversation.getAccount(), packet);
3331	}
3332
3333	public void directInvite(Conversation conversation, Jid jid) {
3334		MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
3335		sendMessagePacket(conversation.getAccount(), packet);
3336	}
3337
3338	public void resetSendingToWaiting(Account account) {
3339		for (Conversation conversation : getConversations()) {
3340			if (conversation.getAccount() == account) {
3341				conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
3342			}
3343		}
3344	}
3345
3346	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
3347		return markMessage(account, recipient, uuid, status, null);
3348	}
3349
3350	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
3351		if (uuid == null) {
3352			return null;
3353		}
3354		for (Conversation conversation : getConversations()) {
3355			if (conversation.getJid().asBareJid().equals(recipient) && conversation.getAccount() == account) {
3356				final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
3357				if (message != null) {
3358					markMessage(message, status, errorMessage);
3359				}
3360				return message;
3361			}
3362		}
3363		return null;
3364	}
3365
3366	public boolean markMessage(Conversation conversation, String uuid, int status, String serverMessageId) {
3367		if (uuid == null) {
3368			return false;
3369		} else {
3370			Message message = conversation.findSentMessageWithUuid(uuid);
3371			if (message != null) {
3372				if (message.getServerMsgId() == null) {
3373					message.setServerMsgId(serverMessageId);
3374				}
3375				markMessage(message, status);
3376				return true;
3377			} else {
3378				return false;
3379			}
3380		}
3381	}
3382
3383	public void markMessage(Message message, int status) {
3384		markMessage(message, status, null);
3385	}
3386
3387
3388	public void markMessage(Message message, int status, String errorMessage) {
3389		final int c = message.getStatus();
3390		if (status == Message.STATUS_SEND_FAILED && (c == Message.STATUS_SEND_RECEIVED || c == Message.STATUS_SEND_DISPLAYED)) {
3391			return;
3392		}
3393		if (status == Message.STATUS_SEND_RECEIVED && c == Message.STATUS_SEND_DISPLAYED) {
3394			return;
3395		}
3396		message.setErrorMessage(errorMessage);
3397		message.setStatus(status);
3398		databaseBackend.updateMessage(message, false);
3399		updateConversationUi();
3400	}
3401
3402	private SharedPreferences getPreferences() {
3403		return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
3404	}
3405
3406	public long getAutomaticMessageDeletionDate() {
3407		final long timeout = getLongPreference(SettingsActivity.AUTOMATIC_MESSAGE_DELETION, R.integer.automatic_message_deletion);
3408		return timeout == 0 ? timeout : (System.currentTimeMillis() - (timeout * 1000));
3409	}
3410
3411	public long getLongPreference(String name, @IntegerRes int res) {
3412		long defaultValue = getResources().getInteger(res);
3413		try {
3414			return Long.parseLong(getPreferences().getString(name, String.valueOf(defaultValue)));
3415		} catch (NumberFormatException e) {
3416			return defaultValue;
3417		}
3418	}
3419
3420	public boolean getBooleanPreference(String name, @BoolRes int res) {
3421		return getPreferences().getBoolean(name, getResources().getBoolean(res));
3422	}
3423
3424	public boolean confirmMessages() {
3425		return getBooleanPreference("confirm_messages", R.bool.confirm_messages);
3426	}
3427
3428	public boolean allowMessageCorrection() {
3429		return getBooleanPreference("allow_message_correction", R.bool.allow_message_correction);
3430	}
3431
3432	public boolean sendChatStates() {
3433		return getBooleanPreference("chat_states", R.bool.chat_states);
3434	}
3435
3436	private boolean synchronizeWithBookmarks() {
3437		return getBooleanPreference("autojoin", R.bool.autojoin);
3438	}
3439
3440	public boolean indicateReceived() {
3441		return getBooleanPreference("indicate_received", R.bool.indicate_received);
3442	}
3443
3444	public boolean useTorToConnect() {
3445		return QuickConversationsService.isConversations() && getBooleanPreference("use_tor", R.bool.use_tor);
3446	}
3447
3448	public boolean showExtendedConnectionOptions() {
3449		return QuickConversationsService.isConversations() && getBooleanPreference("show_connection_options", R.bool.show_connection_options);
3450	}
3451
3452	public boolean broadcastLastActivity() {
3453		return getBooleanPreference(SettingsActivity.BROADCAST_LAST_ACTIVITY, R.bool.last_activity);
3454	}
3455
3456	public int unreadCount() {
3457		int count = 0;
3458		for (Conversation conversation : getConversations()) {
3459			count += conversation.unreadCount();
3460		}
3461		return count;
3462	}
3463
3464
3465	private <T> List<T> threadSafeList(Set<T> set) {
3466		synchronized (LISTENER_LOCK) {
3467			return set.size() == 0 ? Collections.emptyList() : new ArrayList<>(set);
3468		}
3469	}
3470
3471	public void showErrorToastInUi(int resId) {
3472		for (OnShowErrorToast listener : threadSafeList(this.mOnShowErrorToasts)) {
3473			listener.onShowErrorToast(resId);
3474		}
3475	}
3476
3477	public void updateConversationUi() {
3478		for (OnConversationUpdate listener : threadSafeList(this.mOnConversationUpdates)) {
3479			listener.onConversationUpdate();
3480		}
3481	}
3482
3483	public void updateAccountUi() {
3484		for (OnAccountUpdate listener : threadSafeList(this.mOnAccountUpdates)) {
3485			listener.onAccountUpdate();
3486		}
3487	}
3488
3489	public void updateRosterUi() {
3490		for (OnRosterUpdate listener : threadSafeList(this.mOnRosterUpdates)) {
3491			listener.onRosterUpdate();
3492		}
3493	}
3494
3495	public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
3496		if (mOnCaptchaRequested.size() > 0) {
3497			DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
3498			Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
3499					(int) (captcha.getHeight() * metrics.scaledDensity), false);
3500			for (OnCaptchaRequested listener : threadSafeList(this.mOnCaptchaRequested)) {
3501				listener.onCaptchaRequested(account, id, data, scaled);
3502			}
3503			return true;
3504		}
3505		return false;
3506	}
3507
3508	public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
3509		for (OnUpdateBlocklist listener : threadSafeList(this.mOnUpdateBlocklist)) {
3510			listener.OnUpdateBlocklist(status);
3511		}
3512	}
3513
3514	public void updateMucRosterUi() {
3515		for (OnMucRosterUpdate listener : threadSafeList(this.mOnMucRosterUpdate)) {
3516			listener.onMucRosterUpdate();
3517		}
3518	}
3519
3520	public void keyStatusUpdated(AxolotlService.FetchStatus report) {
3521		for (OnKeyStatusUpdated listener : threadSafeList(this.mOnKeyStatusUpdated)) {
3522			listener.onKeyStatusUpdated(report);
3523		}
3524	}
3525
3526	public Account findAccountByJid(final Jid accountJid) {
3527		for (Account account : this.accounts) {
3528			if (account.getJid().asBareJid().equals(accountJid.asBareJid())) {
3529				return account;
3530			}
3531		}
3532		return null;
3533	}
3534
3535	public Account findAccountByUuid(final String uuid) {
3536		for(Account account : this.accounts) {
3537			if (account.getUuid().equals(uuid)) {
3538				return account;
3539			}
3540		}
3541		return null;
3542	}
3543
3544	public Conversation findConversationByUuid(String uuid) {
3545		for (Conversation conversation : getConversations()) {
3546			if (conversation.getUuid().equals(uuid)) {
3547				return conversation;
3548			}
3549		}
3550		return null;
3551	}
3552
3553	public Conversation findUniqueConversationByJid(XmppUri xmppUri) {
3554		List<Conversation> findings = new ArrayList<>();
3555		for (Conversation c : getConversations()) {
3556			if (c.getAccount().isEnabled() && c.getJid().asBareJid().equals(xmppUri.getJid()) && ((c.getMode() == Conversational.MODE_MULTI) == xmppUri.isAction(XmppUri.ACTION_JOIN))) {
3557				findings.add(c);
3558			}
3559		}
3560		return findings.size() == 1 ? findings.get(0) : null;
3561	}
3562
3563	public boolean markRead(final Conversation conversation, boolean dismiss) {
3564		return markRead(conversation, null, dismiss).size() > 0;
3565	}
3566
3567	public void markRead(final Conversation conversation) {
3568		markRead(conversation, null, true);
3569	}
3570
3571	public List<Message> markRead(final Conversation conversation, String upToUuid, boolean dismiss) {
3572		if (dismiss) {
3573			mNotificationService.clear(conversation);
3574		}
3575		final List<Message> readMessages = conversation.markRead(upToUuid);
3576		if (readMessages.size() > 0) {
3577			Runnable runnable = () -> {
3578				for (Message message : readMessages) {
3579					databaseBackend.updateMessage(message, false);
3580				}
3581			};
3582			mDatabaseWriterExecutor.execute(runnable);
3583			updateUnreadCountBadge();
3584			return readMessages;
3585		} else {
3586			return readMessages;
3587		}
3588	}
3589
3590	public synchronized void updateUnreadCountBadge() {
3591		int count = unreadCount();
3592		if (unreadCount != count) {
3593			Log.d(Config.LOGTAG, "update unread count to " + count);
3594			if (count > 0) {
3595				ShortcutBadger.applyCount(getApplicationContext(), count);
3596			} else {
3597				ShortcutBadger.removeCount(getApplicationContext());
3598			}
3599			unreadCount = count;
3600		}
3601	}
3602
3603	public void sendReadMarker(final Conversation conversation, String upToUuid) {
3604		final boolean isPrivateAndNonAnonymousMuc = conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous();
3605		final List<Message> readMessages = this.markRead(conversation, upToUuid, true);
3606		if (readMessages.size() > 0) {
3607			updateConversationUi();
3608		}
3609		final Message markable = Conversation.getLatestMarkableMessage(readMessages, isPrivateAndNonAnonymousMuc);
3610		if (confirmMessages()
3611				&& markable != null
3612				&& (markable.trusted() || isPrivateAndNonAnonymousMuc)
3613				&& markable.getRemoteMsgId() != null) {
3614			Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
3615			Account account = conversation.getAccount();
3616			final Jid to = markable.getCounterpart();
3617			final boolean groupChat = conversation.getMode() == Conversation.MODE_MULTI;
3618			MessagePacket packet = mMessageGenerator.confirm(account, to, markable.getRemoteMsgId(), markable.getCounterpart(), groupChat);
3619			this.sendMessagePacket(conversation.getAccount(), packet);
3620		}
3621	}
3622
3623	public SecureRandom getRNG() {
3624		return this.mRandom;
3625	}
3626
3627	public MemorizingTrustManager getMemorizingTrustManager() {
3628		return this.mMemorizingTrustManager;
3629	}
3630
3631	public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
3632		this.mMemorizingTrustManager = trustManager;
3633	}
3634
3635	public void updateMemorizingTrustmanager() {
3636		final MemorizingTrustManager tm;
3637		final boolean dontTrustSystemCAs = getBooleanPreference("dont_trust_system_cas", R.bool.dont_trust_system_cas);
3638		if (dontTrustSystemCAs) {
3639			tm = new MemorizingTrustManager(getApplicationContext(), null);
3640		} else {
3641			tm = new MemorizingTrustManager(getApplicationContext());
3642		}
3643		setMemorizingTrustManager(tm);
3644	}
3645
3646	public LruCache<String, Bitmap> getBitmapCache() {
3647		return this.mBitmapCache;
3648	}
3649
3650	public Collection<String> getKnownHosts() {
3651		final Set<String> hosts = new HashSet<>();
3652		for (final Account account : getAccounts()) {
3653			hosts.add(account.getServer());
3654			for (final Contact contact : account.getRoster().getContacts()) {
3655				if (contact.showInRoster()) {
3656					final String server = contact.getServer();
3657					if (server != null) {
3658						hosts.add(server);
3659					}
3660				}
3661			}
3662		}
3663		if (Config.QUICKSY_DOMAIN != null) {
3664		    hosts.remove(Config.QUICKSY_DOMAIN); //we only want to show this when we type a e164 number
3665        }
3666		if (Config.DOMAIN_LOCK != null) {
3667			hosts.add(Config.DOMAIN_LOCK);
3668		}
3669		if (Config.MAGIC_CREATE_DOMAIN != null) {
3670			hosts.add(Config.MAGIC_CREATE_DOMAIN);
3671		}
3672		return hosts;
3673	}
3674
3675	public Collection<String> getKnownConferenceHosts() {
3676		final Set<String> mucServers = new HashSet<>();
3677		for (final Account account : accounts) {
3678			if (account.getXmppConnection() != null) {
3679				mucServers.addAll(account.getXmppConnection().getMucServers());
3680				for (Bookmark bookmark : account.getBookmarks()) {
3681					final Jid jid = bookmark.getJid();
3682					final String s = jid == null ? null : jid.getDomain();
3683					if (s != null) {
3684						mucServers.add(s);
3685					}
3686				}
3687			}
3688		}
3689		return mucServers;
3690	}
3691
3692	public void sendMessagePacket(Account account, MessagePacket packet) {
3693		XmppConnection connection = account.getXmppConnection();
3694		if (connection != null) {
3695			connection.sendMessagePacket(packet);
3696		}
3697	}
3698
3699	public void sendPresencePacket(Account account, PresencePacket packet) {
3700		XmppConnection connection = account.getXmppConnection();
3701		if (connection != null) {
3702			connection.sendPresencePacket(packet);
3703		}
3704	}
3705
3706	public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
3707		final XmppConnection connection = account.getXmppConnection();
3708		if (connection != null) {
3709			IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
3710			connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener, true);
3711		}
3712	}
3713
3714	public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
3715		final XmppConnection connection = account.getXmppConnection();
3716		if (connection != null) {
3717			connection.sendIqPacket(packet, callback);
3718		} else if (callback != null) {
3719		    callback.onIqPacketReceived(account,new IqPacket(IqPacket.TYPE.TIMEOUT));
3720        }
3721	}
3722
3723	public void sendPresence(final Account account) {
3724		sendPresence(account, checkListeners() && broadcastLastActivity());
3725	}
3726
3727	private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
3728		Presence.Status status;
3729		if (manuallyChangePresence()) {
3730			status = account.getPresenceStatus();
3731		} else {
3732			status = getTargetPresence();
3733		}
3734		PresencePacket packet = mPresenceGenerator.selfPresence(account, status);
3735		String message = account.getPresenceStatusMessage();
3736		if (message != null && !message.isEmpty()) {
3737			packet.addChild(new Element("status").setContent(message));
3738		}
3739		if (mLastActivity > 0 && includeIdleTimestamp) {
3740			long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
3741			packet.addChild("idle", Namespace.IDLE).setAttribute("since", AbstractGenerator.getTimestamp(since));
3742		}
3743		sendPresencePacket(account, packet);
3744	}
3745
3746	private void deactivateGracePeriod() {
3747		for (Account account : getAccounts()) {
3748			account.deactivateGracePeriod();
3749		}
3750	}
3751
3752	public void refreshAllPresences() {
3753		boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
3754		for (Account account : getAccounts()) {
3755			if (account.isEnabled()) {
3756				sendPresence(account, includeIdleTimestamp);
3757			}
3758		}
3759	}
3760
3761	private void refreshAllFcmTokens() {
3762		for (Account account : getAccounts()) {
3763			if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
3764				mPushManagementService.registerPushTokenOnServer(account);
3765			}
3766		}
3767	}
3768
3769	private void sendOfflinePresence(final Account account) {
3770		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending offline presence");
3771		sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
3772	}
3773
3774	public MessageGenerator getMessageGenerator() {
3775		return this.mMessageGenerator;
3776	}
3777
3778	public PresenceGenerator getPresenceGenerator() {
3779		return this.mPresenceGenerator;
3780	}
3781
3782	public IqGenerator getIqGenerator() {
3783		return this.mIqGenerator;
3784	}
3785
3786	public IqParser getIqParser() {
3787		return this.mIqParser;
3788	}
3789
3790	public JingleConnectionManager getJingleConnectionManager() {
3791		return this.mJingleConnectionManager;
3792	}
3793
3794	public MessageArchiveService getMessageArchiveService() {
3795		return this.mMessageArchiveService;
3796	}
3797
3798	public QuickConversationsService getQuickConversationsService() {
3799        return this.mQuickConversationsService;
3800    }
3801
3802	public List<Contact> findContacts(Jid jid, String accountJid) {
3803		ArrayList<Contact> contacts = new ArrayList<>();
3804		for (Account account : getAccounts()) {
3805			if ((account.isEnabled() || accountJid != null)
3806					&& (accountJid == null || accountJid.equals(account.getJid().asBareJid().toString()))) {
3807				Contact contact = account.getRoster().getContactFromContactList(jid);
3808				if (contact != null) {
3809					contacts.add(contact);
3810				}
3811			}
3812		}
3813		return contacts;
3814	}
3815
3816	public Conversation findFirstMuc(Jid jid) {
3817		for (Conversation conversation : getConversations()) {
3818			if (conversation.getAccount().isEnabled() && conversation.getJid().asBareJid().equals(jid.asBareJid()) && conversation.getMode() == Conversation.MODE_MULTI) {
3819				return conversation;
3820			}
3821		}
3822		return null;
3823	}
3824
3825	public NotificationService getNotificationService() {
3826		return this.mNotificationService;
3827	}
3828
3829	public HttpConnectionManager getHttpConnectionManager() {
3830		return this.mHttpConnectionManager;
3831	}
3832
3833	public void resendFailedMessages(final Message message) {
3834		final Collection<Message> messages = new ArrayList<>();
3835		Message current = message;
3836		while (current.getStatus() == Message.STATUS_SEND_FAILED) {
3837			messages.add(current);
3838			if (current.mergeable(current.next())) {
3839				current = current.next();
3840			} else {
3841				break;
3842			}
3843		}
3844		for (final Message msg : messages) {
3845			msg.setTime(System.currentTimeMillis());
3846			markMessage(msg, Message.STATUS_WAITING);
3847			this.resendMessage(msg, false);
3848		}
3849		if (message.getConversation() instanceof Conversation) {
3850			((Conversation) message.getConversation()).sort();
3851		}
3852		updateConversationUi();
3853	}
3854
3855	public void clearConversationHistory(final Conversation conversation) {
3856		final long clearDate;
3857		final String reference;
3858		if (conversation.countMessages() > 0) {
3859			Message latestMessage = conversation.getLatestMessage();
3860			clearDate = latestMessage.getTimeSent() + 1000;
3861			reference = latestMessage.getServerMsgId();
3862		} else {
3863			clearDate = System.currentTimeMillis();
3864			reference = null;
3865		}
3866		conversation.clearMessages();
3867		conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
3868		conversation.setLastClearHistory(clearDate, reference);
3869		Runnable runnable = () -> {
3870			databaseBackend.deleteMessagesInConversation(conversation);
3871			databaseBackend.updateConversation(conversation);
3872		};
3873		mDatabaseWriterExecutor.execute(runnable);
3874	}
3875
3876	public boolean sendBlockRequest(final Blockable blockable, boolean reportSpam) {
3877		if (blockable != null && blockable.getBlockedJid() != null) {
3878			final Jid jid = blockable.getBlockedJid();
3879			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), new OnIqPacketReceived() {
3880
3881				@Override
3882				public void onIqPacketReceived(final Account account, final IqPacket packet) {
3883					if (packet.getType() == IqPacket.TYPE.RESULT) {
3884						account.getBlocklist().add(jid);
3885						updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
3886					}
3887				}
3888			});
3889			if (removeBlockedConversations(blockable.getAccount(), jid)) {
3890				updateConversationUi();
3891				return true;
3892			} else {
3893				return false;
3894			}
3895		} else {
3896			return false;
3897		}
3898	}
3899
3900	public boolean removeBlockedConversations(final Account account, final Jid blockedJid) {
3901		boolean removed = false;
3902		synchronized (this.conversations) {
3903			boolean domainJid = blockedJid.getLocal() == null;
3904			for (Conversation conversation : this.conversations) {
3905				boolean jidMatches = (domainJid && blockedJid.getDomain().equals(conversation.getJid().getDomain()))
3906						|| blockedJid.equals(conversation.getJid().asBareJid());
3907				if (conversation.getAccount() == account
3908						&& conversation.getMode() == Conversation.MODE_SINGLE
3909						&& jidMatches) {
3910					this.conversations.remove(conversation);
3911					markRead(conversation);
3912					conversation.setStatus(Conversation.STATUS_ARCHIVED);
3913					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conversation " + conversation.getJid().asBareJid() + " because jid was blocked");
3914					updateConversation(conversation);
3915					removed = true;
3916				}
3917			}
3918		}
3919		return removed;
3920	}
3921
3922	public void sendUnblockRequest(final Blockable blockable) {
3923		if (blockable != null && blockable.getJid() != null) {
3924			final Jid jid = blockable.getBlockedJid();
3925			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
3926				@Override
3927				public void onIqPacketReceived(final Account account, final IqPacket packet) {
3928					if (packet.getType() == IqPacket.TYPE.RESULT) {
3929						account.getBlocklist().remove(jid);
3930						updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
3931					}
3932				}
3933			});
3934		}
3935	}
3936
3937	public void publishDisplayName(Account account) {
3938		String displayName = account.getDisplayName();
3939		final IqPacket request;
3940		if (TextUtils.isEmpty(displayName)) {
3941            request = mIqGenerator.deleteNode(Namespace.NICK);
3942		} else {
3943            request = mIqGenerator.publishNick(displayName);
3944        }
3945        mAvatarService.clear(account);
3946        sendIqPacket(account, request, (account1, packet) -> {
3947            if (packet.getType() == IqPacket.TYPE.ERROR) {
3948                Log.d(Config.LOGTAG, account1.getJid().asBareJid() + ": unable to modify nick name "+packet.toString());
3949            }
3950        });
3951	}
3952
3953	public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
3954		ServiceDiscoveryResult result = discoCache.get(key);
3955		if (result != null) {
3956			return result;
3957		} else {
3958			result = databaseBackend.findDiscoveryResult(key.first, key.second);
3959			if (result != null) {
3960				discoCache.put(key, result);
3961			}
3962			return result;
3963		}
3964	}
3965
3966	public void fetchCaps(Account account, final Jid jid, final Presence presence) {
3967		final Pair<String, String> key = new Pair<>(presence.getHash(), presence.getVer());
3968		ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
3969		if (disco != null) {
3970			presence.setServiceDiscoveryResult(disco);
3971		} else {
3972			if (!account.inProgressDiscoFetches.contains(key)) {
3973				account.inProgressDiscoFetches.add(key);
3974				IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3975				request.setTo(jid);
3976				final String node = presence.getNode();
3977				final String ver = presence.getVer();
3978				final Element query = request.query("http://jabber.org/protocol/disco#info");
3979				if (node != null && ver != null) {
3980					query.setAttribute("node",node+"#"+ver);
3981				}
3982				Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": making disco request for " + key.second + " to " + jid);
3983				sendIqPacket(account, request, (a, response) -> {
3984					if (response.getType() == IqPacket.TYPE.RESULT) {
3985						ServiceDiscoveryResult discoveryResult = new ServiceDiscoveryResult(response);
3986						if (presence.getVer().equals(discoveryResult.getVer())) {
3987							databaseBackend.insertDiscoveryResult(discoveryResult);
3988							injectServiceDiscoveryResult(a.getRoster(), presence.getHash(), presence.getVer(), discoveryResult);
3989						} else {
3990							Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + discoveryResult.getVer());
3991						}
3992					}
3993					a.inProgressDiscoFetches.remove(key);
3994				});
3995			}
3996		}
3997	}
3998
3999	private void injectServiceDiscoveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
4000		for (Contact contact : roster.getContacts()) {
4001			for (Presence presence : contact.getPresences().getPresences().values()) {
4002				if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
4003					presence.setServiceDiscoveryResult(disco);
4004				}
4005			}
4006		}
4007	}
4008
4009	public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
4010		final MessageArchiveService.Version version = MessageArchiveService.Version.get(account);
4011		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4012		request.addChild("prefs", version.namespace);
4013		sendIqPacket(account, request, (account1, packet) -> {
4014			Element prefs = packet.findChild("prefs", version.namespace);
4015			if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
4016				callback.onPreferencesFetched(prefs);
4017			} else {
4018				callback.onPreferencesFetchFailed();
4019			}
4020		});
4021	}
4022
4023	public PushManagementService getPushManagementService() {
4024		return mPushManagementService;
4025	}
4026
4027	public void changeStatus(Account account, PresenceTemplate template, String signature) {
4028		if (!template.getStatusMessage().isEmpty()) {
4029			databaseBackend.insertPresenceTemplate(template);
4030		}
4031		account.setPgpSignature(signature);
4032		account.setPresenceStatus(template.getStatus());
4033		account.setPresenceStatusMessage(template.getStatusMessage());
4034		databaseBackend.updateAccount(account);
4035		sendPresence(account);
4036	}
4037
4038	public List<PresenceTemplate> getPresenceTemplates(Account account) {
4039		List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
4040		for (PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
4041			if (!templates.contains(template)) {
4042				templates.add(0, template);
4043			}
4044		}
4045		return templates;
4046	}
4047
4048	public void saveConversationAsBookmark(Conversation conversation, String name) {
4049		Account account = conversation.getAccount();
4050		Bookmark bookmark = new Bookmark(account, conversation.getJid().asBareJid());
4051		if (!conversation.getJid().isBareJid()) {
4052			bookmark.setNick(conversation.getJid().getResource());
4053		}
4054		if (!TextUtils.isEmpty(name)) {
4055			bookmark.setBookmarkName(name);
4056		}
4057		bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
4058		account.getBookmarks().add(bookmark);
4059		pushBookmarks(account);
4060		bookmark.setConversation(conversation);
4061	}
4062
4063	public boolean verifyFingerprints(Contact contact, List<XmppUri.Fingerprint> fingerprints) {
4064		boolean performedVerification = false;
4065		final AxolotlService axolotlService = contact.getAccount().getAxolotlService();
4066		for (XmppUri.Fingerprint fp : fingerprints) {
4067			if (fp.type == XmppUri.FingerprintType.OMEMO) {
4068				String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4069				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4070				if (fingerprintStatus != null) {
4071					if (!fingerprintStatus.isVerified()) {
4072						performedVerification = true;
4073						axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4074					}
4075				} else {
4076					axolotlService.preVerifyFingerprint(contact, fingerprint);
4077				}
4078			}
4079		}
4080		return performedVerification;
4081	}
4082
4083	public boolean verifyFingerprints(Account account, List<XmppUri.Fingerprint> fingerprints) {
4084		final AxolotlService axolotlService = account.getAxolotlService();
4085		boolean verifiedSomething = false;
4086		for (XmppUri.Fingerprint fp : fingerprints) {
4087			if (fp.type == XmppUri.FingerprintType.OMEMO) {
4088				String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4089				Log.d(Config.LOGTAG, "trying to verify own fp=" + fingerprint);
4090				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4091				if (fingerprintStatus != null) {
4092					if (!fingerprintStatus.isVerified()) {
4093						axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4094						verifiedSomething = true;
4095					}
4096				} else {
4097					axolotlService.preVerifyFingerprint(account, fingerprint);
4098					verifiedSomething = true;
4099				}
4100			}
4101		}
4102		return verifiedSomething;
4103	}
4104
4105	public boolean blindTrustBeforeVerification() {
4106		return getBooleanPreference(SettingsActivity.BLIND_TRUST_BEFORE_VERIFICATION, R.bool.btbv);
4107	}
4108
4109	public ShortcutService getShortcutService() {
4110		return mShortcutService;
4111	}
4112
4113	public void pushMamPreferences(Account account, Element prefs) {
4114		IqPacket set = new IqPacket(IqPacket.TYPE.SET);
4115		set.addChild(prefs);
4116		sendIqPacket(account, set, null);
4117	}
4118
4119	public interface OnMamPreferencesFetched {
4120		void onPreferencesFetched(Element prefs);
4121
4122		void onPreferencesFetchFailed();
4123	}
4124
4125	public interface OnAccountCreated {
4126		void onAccountCreated(Account account);
4127
4128		void informUser(int r);
4129	}
4130
4131	public interface OnMoreMessagesLoaded {
4132		void onMoreMessagesLoaded(int count, Conversation conversation);
4133
4134		void informUser(int r);
4135	}
4136
4137	public interface OnAccountPasswordChanged {
4138		void onPasswordChangeSucceeded();
4139
4140		void onPasswordChangeFailed();
4141	}
4142
4143	public interface OnAffiliationChanged {
4144		void onAffiliationChangedSuccessful(Jid jid);
4145
4146		void onAffiliationChangeFailed(Jid jid, int resId);
4147	}
4148
4149	public interface OnRoleChanged {
4150		void onRoleChangedSuccessful(String nick);
4151
4152		void onRoleChangeFailed(String nick, int resid);
4153	}
4154
4155	public interface OnConversationUpdate {
4156		void onConversationUpdate();
4157	}
4158
4159	public interface OnAccountUpdate {
4160		void onAccountUpdate();
4161	}
4162
4163	public interface OnCaptchaRequested {
4164		void onCaptchaRequested(Account account, String id, Data data, Bitmap captcha);
4165	}
4166
4167	public interface OnRosterUpdate {
4168		void onRosterUpdate();
4169	}
4170
4171	public interface OnMucRosterUpdate {
4172		void onMucRosterUpdate();
4173	}
4174
4175	public interface OnConferenceConfigurationFetched {
4176		void onConferenceConfigurationFetched(Conversation conversation);
4177
4178		void onFetchFailed(Conversation conversation, Element error);
4179	}
4180
4181	public interface OnConferenceJoined {
4182		void onConferenceJoined(Conversation conversation);
4183	}
4184
4185	public interface OnConfigurationPushed {
4186		void onPushSucceeded();
4187
4188		void onPushFailed();
4189	}
4190
4191	public interface OnShowErrorToast {
4192		void onShowErrorToast(int resId);
4193	}
4194
4195	public class XmppConnectionBinder extends Binder {
4196		public XmppConnectionService getService() {
4197			return XmppConnectionService.this;
4198		}
4199	}
4200
4201	private class InternalEventReceiver extends BroadcastReceiver {
4202
4203        @Override
4204        public void onReceive(Context context, Intent intent) {
4205            onStartCommand(intent,0,0);
4206        }
4207    }
4208}