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);
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) {
1413        final HashMap<Jid, Bookmark> bookmarks = new HashMap<>();
1414        final boolean autojoin = respectAutojoin();
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                    Conversation conversation = find(bookmark);
1424                    if (conversation != null) {
1425                        bookmark.setConversation(conversation);
1426                    } else if (bookmark.autojoin() && bookmark.getJid() != null && autojoin) {
1427                        conversation = findOrCreateConversation(account, bookmark.getFullJid(), true, true, false);
1428                        bookmark.setConversation(conversation);
1429                    }
1430                }
1431            }
1432        }
1433        account.setBookmarks(new CopyOnWriteArrayList<>(bookmarks.values()));
1434    }
1435
1436    public void pushBookmarks(Account account) {
1437        if (account.getXmppConnection().getFeatures().bookmarksConversion()) {
1438            pushBookmarksPep(account);
1439        } else {
1440            pushBookmarksPrivateXml(account);
1441        }
1442    }
1443
1444    private void pushBookmarksPrivateXml(Account account) {
1445        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via private xml");
1446        IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1447        Element query = iqPacket.query("jabber:iq:private");
1448        Element storage = query.addChild("storage", "storage:bookmarks");
1449        for (Bookmark bookmark : account.getBookmarks()) {
1450            storage.addChild(bookmark);
1451        }
1452        sendIqPacket(account, iqPacket, mDefaultIqHandler);
1453    }
1454
1455    private void pushBookmarksPep(Account account) {
1456        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via pep");
1457        Element storage = new Element("storage", "storage:bookmarks");
1458        for (Bookmark bookmark : account.getBookmarks()) {
1459            storage.addChild(bookmark);
1460        }
1461        pushNodeAndEnforcePublishOptions(account,Namespace.BOOKMARKS,storage, PublishOptions.persistentWhitelistAccess());
1462
1463    }
1464
1465
1466    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final Bundle options) {
1467        pushNodeAndEnforcePublishOptions(account, node, element, options, true);
1468
1469    }
1470
1471	private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final Bundle options, final boolean retry) {
1472        IqPacket packet = mIqGenerator.publishElement(node, element, options);
1473        Log.d(Config.LOGTAG,packet.toString());
1474        sendIqPacket(account, packet, (a, response) -> {
1475            if (response.getType() == IqPacket.TYPE.RESULT) {
1476                return;
1477            }
1478            if (retry && PublishOptions.preconditionNotMet(response)) {
1479                pushNodeConfiguration(account, node, options, new OnConfigurationPushed() {
1480                    @Override
1481                    public void onPushSucceeded() {
1482                        pushNodeAndEnforcePublishOptions(account, node, element, options, false);
1483                    }
1484
1485                    @Override
1486                    public void onPushFailed() {
1487                        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to push node configuration ("+node+")");
1488                    }
1489                });
1490            } else {
1491                Log.d(Config.LOGTAG,account.getJid().asBareJid()+": error publishing bookmarks (retry="+Boolean.toString(retry)+") "+response);
1492            }
1493        });
1494    }
1495
1496	private void restoreFromDatabase() {
1497		synchronized (this.conversations) {
1498			final Map<String, Account> accountLookupTable = new Hashtable<>();
1499			for (Account account : this.accounts) {
1500				accountLookupTable.put(account.getUuid(), account);
1501			}
1502			Log.d(Config.LOGTAG, "restoring conversations...");
1503			final long startTimeConversationsRestore = SystemClock.elapsedRealtime();
1504			this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1505			for (Iterator<Conversation> iterator = conversations.listIterator(); iterator.hasNext(); ) {
1506				Conversation conversation = iterator.next();
1507				Account account = accountLookupTable.get(conversation.getAccountUuid());
1508				if (account != null) {
1509					conversation.setAccount(account);
1510				} else {
1511					Log.e(Config.LOGTAG, "unable to restore Conversations with " + conversation.getJid());
1512					iterator.remove();
1513				}
1514			}
1515			long diffConversationsRestore = SystemClock.elapsedRealtime() - startTimeConversationsRestore;
1516			Log.d(Config.LOGTAG, "finished restoring conversations in " + diffConversationsRestore + "ms");
1517			Runnable runnable = () -> {
1518				long deletionDate = getAutomaticMessageDeletionDate();
1519				mLastExpiryRun.set(SystemClock.elapsedRealtime());
1520				if (deletionDate > 0) {
1521					Log.d(Config.LOGTAG, "deleting messages that are older than " + AbstractGenerator.getTimestamp(deletionDate));
1522					databaseBackend.expireOldMessages(deletionDate);
1523				}
1524				Log.d(Config.LOGTAG, "restoring roster...");
1525				for (Account account : accounts) {
1526					databaseBackend.readRoster(account.getRoster());
1527					account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1528				}
1529				getBitmapCache().evictAll();
1530				loadPhoneContacts();
1531				Log.d(Config.LOGTAG, "restoring messages...");
1532				final long startMessageRestore = SystemClock.elapsedRealtime();
1533				final Conversation quickLoad = QuickLoader.get(this.conversations);
1534				if (quickLoad != null) {
1535					restoreMessages(quickLoad);
1536					updateConversationUi();
1537					final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1538					Log.d(Config.LOGTAG,"quickly restored "+quickLoad.getName()+" after " + diffMessageRestore + "ms");
1539				}
1540				for (Conversation conversation : this.conversations) {
1541					if (quickLoad != conversation) {
1542						restoreMessages(conversation);
1543					}
1544				}
1545				mNotificationService.finishBacklog(false);
1546				restoredFromDatabaseLatch.countDown();
1547				final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1548				Log.d(Config.LOGTAG, "finished restoring messages in " + diffMessageRestore + "ms");
1549				updateConversationUi();
1550			};
1551			mDatabaseReaderExecutor.execute(runnable); //will contain one write command (expiry) but that's fine
1552		}
1553	}
1554
1555	private void restoreMessages(Conversation conversation) {
1556		conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1557		checkDeletedFiles(conversation);
1558		conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
1559		conversation.findUnreadMessages(message -> mNotificationService.pushFromBacklog(message));
1560	}
1561
1562	public void loadPhoneContacts() {
1563        mContactMergerExecutor.execute(() -> {
1564            Map<Jid, JabberIdContact> contacts = JabberIdContact.load(this);
1565            Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1566            for (Account account : accounts) {
1567                List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts(JabberIdContact.class);
1568                for (JabberIdContact jidContact : contacts.values()) {
1569                    final Contact contact = account.getRoster().getContact(jidContact.getJid());
1570                    boolean needsCacheClean = contact.setPhoneContact(jidContact);
1571                    if (needsCacheClean) {
1572                        getAvatarService().clear(contact);
1573                    }
1574                    withSystemAccounts.remove(contact);
1575                }
1576                for (Contact contact : withSystemAccounts) {
1577                    boolean needsCacheClean = contact.unsetPhoneContact(JabberIdContact.class);
1578                    if (needsCacheClean) {
1579                        getAvatarService().clear(contact);
1580                    }
1581                }
1582            }
1583            Log.d(Config.LOGTAG, "finished merging phone contacts");
1584            mShortcutService.refresh(mInitialAddressbookSyncCompleted.compareAndSet(false, true));
1585            updateRosterUi();
1586            mQuickConversationsService.considerSync();
1587        });
1588	}
1589
1590
1591	public void syncRoster(final Account account) {
1592		mRosterSyncTaskManager.execute(account, () -> databaseBackend.writeRoster(account.getRoster()));
1593	}
1594
1595	public List<Conversation> getConversations() {
1596		return this.conversations;
1597	}
1598
1599	private void checkDeletedFiles(Conversation conversation) {
1600		conversation.findMessagesWithFiles(message -> {
1601			if (!getFileBackend().isFileAvailable(message)) {
1602				message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1603				final int s = message.getStatus();
1604				if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1605					markMessage(message, Message.STATUS_SEND_FAILED);
1606				}
1607			}
1608		});
1609	}
1610
1611	private void markFileDeleted(final String path) {
1612		Log.d(Config.LOGTAG, "deleted file " + path);
1613		for (Conversation conversation : getConversations()) {
1614			conversation.findMessagesWithFiles(message -> {
1615				DownloadableFile file = fileBackend.getFile(message);
1616				if (file.getAbsolutePath().equals(path)) {
1617					if (!file.exists()) {
1618						message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1619						final int s = message.getStatus();
1620						if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1621							markMessage(message, Message.STATUS_SEND_FAILED);
1622						} else {
1623							updateConversationUi();
1624						}
1625					} else {
1626						Log.d(Config.LOGTAG, "found matching message for file " + path + " but file still exists");
1627					}
1628				}
1629			});
1630		}
1631	}
1632
1633	public void populateWithOrderedConversations(final List<Conversation> list) {
1634		populateWithOrderedConversations(list, true);
1635	}
1636
1637	public void populateWithOrderedConversations(final List<Conversation> list, boolean includeNoFileUpload) {
1638		list.clear();
1639		if (includeNoFileUpload) {
1640			list.addAll(getConversations());
1641		} else {
1642			for (Conversation conversation : getConversations()) {
1643				if (conversation.getMode() == Conversation.MODE_SINGLE
1644						|| (conversation.getAccount().httpUploadAvailable() && conversation.getMucOptions().participating())) {
1645					list.add(conversation);
1646				}
1647			}
1648		}
1649		try {
1650			Collections.sort(list);
1651		} catch (IllegalArgumentException e) {
1652			//ignore
1653		}
1654	}
1655
1656	public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
1657		if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
1658			return;
1659		} else if (timestamp == 0) {
1660			return;
1661		}
1662		Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
1663		final Runnable runnable = () -> {
1664			final Account account = conversation.getAccount();
1665			List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
1666			if (messages.size() > 0) {
1667				conversation.addAll(0, messages);
1668				checkDeletedFiles(conversation);
1669				callback.onMoreMessagesLoaded(messages.size(), conversation);
1670			} else if (conversation.hasMessagesLeftOnServer()
1671					&& account.isOnlineAndConnected()
1672					&& conversation.getLastClearHistory().getTimestamp() == 0) {
1673				final boolean mamAvailable;
1674				if (conversation.getMode() == Conversation.MODE_SINGLE) {
1675					mamAvailable = account.getXmppConnection().getFeatures().mam() && !conversation.getContact().isBlocked();
1676				} else {
1677					mamAvailable = conversation.getMucOptions().mamSupport();
1678				}
1679				if (mamAvailable) {
1680					MessageArchiveService.Query query = getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
1681					if (query != null) {
1682						query.setCallback(callback);
1683						callback.informUser(R.string.fetching_history_from_server);
1684					} else {
1685						callback.informUser(R.string.not_fetching_history_retention_period);
1686					}
1687
1688				}
1689			}
1690		};
1691		mDatabaseReaderExecutor.execute(runnable);
1692	}
1693
1694	public List<Account> getAccounts() {
1695		return this.accounts;
1696	}
1697
1698
1699    /**
1700     * 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)
1701     */
1702	public List<Conversation> findAllConferencesWith(Contact contact) {
1703		ArrayList<Conversation> results = new ArrayList<>();
1704		for (final Conversation c : conversations) {
1705			if (c.getMode() == Conversation.MODE_MULTI && (c.getJid().asBareJid().equals(contact.getJid().asBareJid()) || c.getMucOptions().isContactInRoom(contact))) {
1706			    results.add(c);
1707			}
1708		}
1709		return results;
1710	}
1711
1712	public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
1713		for (final Conversation conversation : haystack) {
1714			if (conversation.getContact() == contact) {
1715				return conversation;
1716			}
1717		}
1718		return null;
1719	}
1720
1721	public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
1722		if (jid == null) {
1723			return null;
1724		}
1725		for (final Conversation conversation : haystack) {
1726			if ((account == null || conversation.getAccount() == account)
1727					&& (conversation.getJid().asBareJid().equals(jid.asBareJid()))) {
1728				return conversation;
1729			}
1730		}
1731		return null;
1732	}
1733
1734	public boolean isConversationsListEmpty(final Conversation ignore) {
1735		synchronized (this.conversations) {
1736			final int size = this.conversations.size();
1737			return size == 0 || size == 1 && this.conversations.get(0) == ignore;
1738		}
1739	}
1740
1741	public boolean isConversationStillOpen(final Conversation conversation) {
1742		synchronized (this.conversations) {
1743			for (Conversation current : this.conversations) {
1744				if (current == conversation) {
1745					return true;
1746				}
1747			}
1748		}
1749		return false;
1750	}
1751
1752	public Conversation findOrCreateConversation(Account account, Jid jid, boolean muc, final boolean async) {
1753		return this.findOrCreateConversation(account, jid, muc, false, async);
1754	}
1755
1756	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final boolean async) {
1757		return this.findOrCreateConversation(account, jid, muc, joinAfterCreate, null, async);
1758	}
1759
1760	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final MessageArchiveService.Query query, final boolean async) {
1761		synchronized (this.conversations) {
1762			Conversation conversation = find(account, jid);
1763			if (conversation != null) {
1764				return conversation;
1765			}
1766			conversation = databaseBackend.findConversation(account, jid);
1767			final boolean loadMessagesFromDb;
1768			if (conversation != null) {
1769				conversation.setStatus(Conversation.STATUS_AVAILABLE);
1770				conversation.setAccount(account);
1771				if (muc) {
1772					conversation.setMode(Conversation.MODE_MULTI);
1773					conversation.setContactJid(jid);
1774				} else {
1775					conversation.setMode(Conversation.MODE_SINGLE);
1776					conversation.setContactJid(jid.asBareJid());
1777				}
1778				databaseBackend.updateConversation(conversation);
1779				loadMessagesFromDb = conversation.messagesLoaded.compareAndSet(true, false);
1780			} else {
1781				String conversationName;
1782				Contact contact = account.getRoster().getContact(jid);
1783				if (contact != null) {
1784					conversationName = contact.getDisplayName();
1785				} else {
1786					conversationName = jid.getLocal();
1787				}
1788				if (muc) {
1789					conversation = new Conversation(conversationName, account, jid,
1790							Conversation.MODE_MULTI);
1791				} else {
1792					conversation = new Conversation(conversationName, account, jid.asBareJid(),
1793							Conversation.MODE_SINGLE);
1794				}
1795				this.databaseBackend.createConversation(conversation);
1796				loadMessagesFromDb = false;
1797			}
1798			final Conversation c = conversation;
1799			final Runnable runnable = () -> {
1800				if (loadMessagesFromDb) {
1801					c.addAll(0, databaseBackend.getMessages(c, Config.PAGE_SIZE));
1802					updateConversationUi();
1803					c.messagesLoaded.set(true);
1804				}
1805				if (account.getXmppConnection() != null
1806						&& !c.getContact().isBlocked()
1807						&& account.getXmppConnection().getFeatures().mam()
1808						&& !muc) {
1809					if (query == null) {
1810						mMessageArchiveService.query(c);
1811					} else {
1812						if (query.getConversation() == null) {
1813							mMessageArchiveService.query(c, query.getStart(), query.isCatchup());
1814						}
1815					}
1816				}
1817				checkDeletedFiles(c);
1818				if (joinAfterCreate) {
1819					joinMuc(c);
1820				}
1821			};
1822			if (async) {
1823				mDatabaseReaderExecutor.execute(runnable);
1824			} else {
1825				runnable.run();
1826			}
1827			this.conversations.add(conversation);
1828			updateConversationUi();
1829			return conversation;
1830		}
1831	}
1832
1833	public void archiveConversation(Conversation conversation) {
1834		getNotificationService().clear(conversation);
1835		conversation.setStatus(Conversation.STATUS_ARCHIVED);
1836		conversation.setNextMessage(null);
1837		synchronized (this.conversations) {
1838			getMessageArchiveService().kill(conversation);
1839			if (conversation.getMode() == Conversation.MODE_MULTI) {
1840				if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
1841					Bookmark bookmark = conversation.getBookmark();
1842					if (bookmark != null && bookmark.autojoin() && respectAutojoin()) {
1843						bookmark.setAutojoin(false);
1844						pushBookmarks(bookmark.getAccount());
1845					}
1846				}
1847				leaveMuc(conversation);
1848			} else {
1849				if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
1850				    stopPresenceUpdatesTo(conversation.getContact());
1851				}
1852			}
1853			updateConversation(conversation);
1854			this.conversations.remove(conversation);
1855			updateConversationUi();
1856		}
1857	}
1858
1859	public void stopPresenceUpdatesTo(Contact contact) {
1860        Log.d(Config.LOGTAG, "Canceling presence request from " + contact.getJid().toString());
1861        sendPresencePacket(contact.getAccount(), mPresenceGenerator.stopPresenceUpdatesTo(contact));
1862        contact.resetOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
1863    }
1864
1865	public void createAccount(final Account account) {
1866		account.initAccountServices(this);
1867		databaseBackend.createAccount(account);
1868		this.accounts.add(account);
1869		this.reconnectAccountInBackground(account);
1870		updateAccountUi();
1871		syncEnabledAccountSetting();
1872		toggleForegroundService();
1873	}
1874
1875	private void syncEnabledAccountSetting() {
1876		getPreferences().edit().putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts()).apply();
1877	}
1878
1879	public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
1880		new Thread(() -> {
1881			try {
1882				final X509Certificate[] chain = KeyChain.getCertificateChain(this, alias);
1883				final X509Certificate cert = chain != null && chain.length > 0 ? chain[0] : null;
1884				if (cert == null) {
1885					callback.informUser(R.string.unable_to_parse_certificate);
1886					return;
1887				}
1888				Pair<Jid, String> info = CryptoHelper.extractJidAndName(cert);
1889				if (info == null) {
1890					callback.informUser(R.string.certificate_does_not_contain_jid);
1891					return;
1892				}
1893				if (findAccountByJid(info.first) == null) {
1894					Account account = new Account(info.first, "");
1895					account.setPrivateKeyAlias(alias);
1896					account.setOption(Account.OPTION_DISABLED, true);
1897					account.setDisplayName(info.second);
1898					createAccount(account);
1899					callback.onAccountCreated(account);
1900					if (Config.X509_VERIFICATION) {
1901						try {
1902							getMemorizingTrustManager().getNonInteractive(account.getJid().getDomain()).checkClientTrusted(chain, "RSA");
1903						} catch (CertificateException e) {
1904							callback.informUser(R.string.certificate_chain_is_not_trusted);
1905						}
1906					}
1907				} else {
1908					callback.informUser(R.string.account_already_exists);
1909				}
1910			} catch (Exception e) {
1911				e.printStackTrace();
1912				callback.informUser(R.string.unable_to_parse_certificate);
1913			}
1914		}).start();
1915
1916	}
1917
1918	public void updateKeyInAccount(final Account account, final String alias) {
1919		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": update key in account " + alias);
1920		try {
1921			X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1922			Log.d(Config.LOGTAG, account.getJid().asBareJid() + " loaded certificate chain");
1923			Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1924			if (info == null) {
1925				showErrorToastInUi(R.string.certificate_does_not_contain_jid);
1926				return;
1927			}
1928			if (account.getJid().asBareJid().equals(info.first)) {
1929				account.setPrivateKeyAlias(alias);
1930				account.setDisplayName(info.second);
1931				databaseBackend.updateAccount(account);
1932				if (Config.X509_VERIFICATION) {
1933					try {
1934						getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
1935					} catch (CertificateException e) {
1936						showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
1937					}
1938					account.getAxolotlService().regenerateKeys(true);
1939				}
1940			} else {
1941				showErrorToastInUi(R.string.jid_does_not_match_certificate);
1942			}
1943		} catch (Exception e) {
1944			e.printStackTrace();
1945		}
1946	}
1947
1948	public boolean updateAccount(final Account account) {
1949		if (databaseBackend.updateAccount(account)) {
1950			account.setShowErrorNotification(true);
1951			this.statusListener.onStatusChanged(account);
1952			databaseBackend.updateAccount(account);
1953			reconnectAccountInBackground(account);
1954			updateAccountUi();
1955			getNotificationService().updateErrorNotification();
1956			toggleForegroundService();
1957			syncEnabledAccountSetting();
1958			return true;
1959		} else {
1960			return false;
1961		}
1962	}
1963
1964	public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
1965		final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
1966		sendIqPacket(account, iq, (a, packet) -> {
1967			if (packet.getType() == IqPacket.TYPE.RESULT) {
1968				a.setPassword(newPassword);
1969				a.setOption(Account.OPTION_MAGIC_CREATE, false);
1970				databaseBackend.updateAccount(a);
1971				callback.onPasswordChangeSucceeded();
1972			} else {
1973				callback.onPasswordChangeFailed();
1974			}
1975		});
1976	}
1977
1978	public void deleteAccount(final Account account) {
1979		synchronized (this.conversations) {
1980			for (final Conversation conversation : conversations) {
1981				if (conversation.getAccount() == account) {
1982					if (conversation.getMode() == Conversation.MODE_MULTI) {
1983						leaveMuc(conversation);
1984					}
1985					conversations.remove(conversation);
1986				}
1987			}
1988			if (account.getXmppConnection() != null) {
1989				new Thread(() -> disconnect(account, true)).start();
1990			}
1991			final Runnable runnable = () -> {
1992				if (!databaseBackend.deleteAccount(account)) {
1993					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to delete account");
1994				}
1995			};
1996			mDatabaseWriterExecutor.execute(runnable);
1997			this.accounts.remove(account);
1998			this.mRosterSyncTaskManager.clear(account);
1999			updateAccountUi();
2000			getNotificationService().updateErrorNotification();
2001			syncEnabledAccountSetting();
2002			toggleForegroundService();
2003		}
2004	}
2005
2006	public void setOnConversationListChangedListener(OnConversationUpdate listener) {
2007		final boolean remainingListeners;
2008		synchronized (LISTENER_LOCK) {
2009			remainingListeners = checkListeners();
2010			if (!this.mOnConversationUpdates.add(listener)) {
2011				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as ConversationListChangedListener");
2012			}
2013			this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2014		}
2015		if (remainingListeners) {
2016			switchToForeground();
2017		}
2018	}
2019
2020	public void removeOnConversationListChangedListener(OnConversationUpdate listener) {
2021		final boolean remainingListeners;
2022		synchronized (LISTENER_LOCK) {
2023			this.mOnConversationUpdates.remove(listener);
2024			this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2025			remainingListeners = checkListeners();
2026		}
2027		if (remainingListeners) {
2028			switchToBackground();
2029		}
2030	}
2031
2032	public void setOnShowErrorToastListener(OnShowErrorToast listener) {
2033		final boolean remainingListeners;
2034		synchronized (LISTENER_LOCK) {
2035			remainingListeners = checkListeners();
2036			if (!this.mOnShowErrorToasts.add(listener)) {
2037				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnShowErrorToastListener");
2038			}
2039		}
2040		if (remainingListeners) {
2041			switchToForeground();
2042		}
2043	}
2044
2045	public void removeOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
2046		final boolean remainingListeners;
2047		synchronized (LISTENER_LOCK) {
2048			this.mOnShowErrorToasts.remove(onShowErrorToast);
2049			remainingListeners = checkListeners();
2050		}
2051		if (remainingListeners) {
2052			switchToBackground();
2053		}
2054	}
2055
2056	public void setOnAccountListChangedListener(OnAccountUpdate listener) {
2057		final boolean remainingListeners;
2058		synchronized (LISTENER_LOCK) {
2059			remainingListeners = checkListeners();
2060			if (!this.mOnAccountUpdates.add(listener)) {
2061				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnAccountListChangedtListener");
2062			}
2063		}
2064		if (remainingListeners) {
2065			switchToForeground();
2066		}
2067	}
2068
2069	public void removeOnAccountListChangedListener(OnAccountUpdate listener) {
2070		final boolean remainingListeners;
2071		synchronized (LISTENER_LOCK) {
2072			this.mOnAccountUpdates.remove(listener);
2073			remainingListeners = checkListeners();
2074		}
2075		if (remainingListeners) {
2076			switchToBackground();
2077		}
2078	}
2079
2080	public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2081		final boolean remainingListeners;
2082		synchronized (LISTENER_LOCK) {
2083			remainingListeners = checkListeners();
2084			if (!this.mOnCaptchaRequested.add(listener)) {
2085				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnCaptchaRequestListener");
2086			}
2087		}
2088		if (remainingListeners) {
2089			switchToForeground();
2090		}
2091	}
2092
2093	public void removeOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2094		final boolean remainingListeners;
2095		synchronized (LISTENER_LOCK) {
2096			this.mOnCaptchaRequested.remove(listener);
2097			remainingListeners = checkListeners();
2098		}
2099		if (remainingListeners) {
2100			switchToBackground();
2101		}
2102	}
2103
2104	public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
2105		final boolean remainingListeners;
2106		synchronized (LISTENER_LOCK) {
2107			remainingListeners = checkListeners();
2108			if (!this.mOnRosterUpdates.add(listener)) {
2109				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnRosterUpdateListener");
2110			}
2111		}
2112		if (remainingListeners) {
2113			switchToForeground();
2114		}
2115	}
2116
2117	public void removeOnRosterUpdateListener(final OnRosterUpdate listener) {
2118		final boolean remainingListeners;
2119		synchronized (LISTENER_LOCK) {
2120			this.mOnRosterUpdates.remove(listener);
2121			remainingListeners = checkListeners();
2122		}
2123		if (remainingListeners) {
2124			switchToBackground();
2125		}
2126	}
2127
2128	public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2129		final boolean remainingListeners;
2130		synchronized (LISTENER_LOCK) {
2131			remainingListeners = checkListeners();
2132			if (!this.mOnUpdateBlocklist.add(listener)) {
2133				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnUpdateBlocklistListener");
2134			}
2135		}
2136		if (remainingListeners) {
2137			switchToForeground();
2138		}
2139	}
2140
2141	public void removeOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2142		final boolean remainingListeners;
2143		synchronized (LISTENER_LOCK) {
2144			this.mOnUpdateBlocklist.remove(listener);
2145			remainingListeners = checkListeners();
2146		}
2147		if (remainingListeners) {
2148			switchToBackground();
2149		}
2150	}
2151
2152	public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
2153		final boolean remainingListeners;
2154		synchronized (LISTENER_LOCK) {
2155			remainingListeners = checkListeners();
2156			if (!this.mOnKeyStatusUpdated.add(listener)) {
2157				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnKeyStatusUpdateListener");
2158			}
2159		}
2160		if (remainingListeners) {
2161			switchToForeground();
2162		}
2163	}
2164
2165	public void removeOnNewKeysAvailableListener(final OnKeyStatusUpdated listener) {
2166		final boolean remainingListeners;
2167		synchronized (LISTENER_LOCK) {
2168			this.mOnKeyStatusUpdated.remove(listener);
2169			remainingListeners = checkListeners();
2170		}
2171		if (remainingListeners) {
2172			switchToBackground();
2173		}
2174	}
2175
2176	public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
2177		final boolean remainingListeners;
2178		synchronized (LISTENER_LOCK) {
2179			remainingListeners = checkListeners();
2180			if (!this.mOnMucRosterUpdate.add(listener)) {
2181				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnMucRosterListener");
2182			}
2183		}
2184		if (remainingListeners) {
2185			switchToForeground();
2186		}
2187	}
2188
2189	public void removeOnMucRosterUpdateListener(final OnMucRosterUpdate listener) {
2190		final boolean remainingListeners;
2191		synchronized (LISTENER_LOCK) {
2192			this.mOnMucRosterUpdate.remove(listener);
2193			remainingListeners = checkListeners();
2194		}
2195		if (remainingListeners) {
2196			switchToBackground();
2197		}
2198	}
2199
2200	public boolean checkListeners() {
2201		return (this.mOnAccountUpdates.size() == 0
2202				&& this.mOnConversationUpdates.size() == 0
2203				&& this.mOnRosterUpdates.size() == 0
2204				&& this.mOnCaptchaRequested.size() == 0
2205				&& this.mOnMucRosterUpdate.size() == 0
2206				&& this.mOnUpdateBlocklist.size() == 0
2207				&& this.mOnShowErrorToasts.size() == 0
2208				&& this.mOnKeyStatusUpdated.size() == 0);
2209	}
2210
2211	private void switchToForeground() {
2212		final boolean broadcastLastActivity = broadcastLastActivity();
2213		for (Conversation conversation : getConversations()) {
2214			if (conversation.getMode() == Conversation.MODE_MULTI) {
2215				conversation.getMucOptions().resetChatState();
2216			} else {
2217				conversation.setIncomingChatState(Config.DEFAULT_CHATSTATE);
2218			}
2219		}
2220		for (Account account : getAccounts()) {
2221			if (account.getStatus() == Account.State.ONLINE) {
2222				account.deactivateGracePeriod();
2223				final XmppConnection connection = account.getXmppConnection();
2224				if (connection != null) {
2225					if (connection.getFeatures().csi()) {
2226						connection.sendActive();
2227					}
2228					if (broadcastLastActivity) {
2229						sendPresence(account, false); //send new presence but don't include idle because we are not
2230					}
2231				}
2232			}
2233		}
2234		Log.d(Config.LOGTAG, "app switched into foreground");
2235	}
2236
2237	private void switchToBackground() {
2238		final boolean broadcastLastActivity = broadcastLastActivity();
2239		if (broadcastLastActivity) {
2240			mLastActivity = System.currentTimeMillis();
2241			final SharedPreferences.Editor editor = getPreferences().edit();
2242			editor.putLong(SETTING_LAST_ACTIVITY_TS, mLastActivity);
2243			editor.apply();
2244		}
2245		for (Account account : getAccounts()) {
2246			if (account.getStatus() == Account.State.ONLINE) {
2247				XmppConnection connection = account.getXmppConnection();
2248				if (connection != null) {
2249					if (broadcastLastActivity) {
2250						sendPresence(account, true);
2251					}
2252					if (connection.getFeatures().csi()) {
2253						connection.sendInactive();
2254					}
2255				}
2256			}
2257		}
2258		this.mNotificationService.setIsInForeground(false);
2259		Log.d(Config.LOGTAG, "app switched into background");
2260	}
2261
2262	private void connectMultiModeConversations(Account account) {
2263		List<Conversation> conversations = getConversations();
2264		for (Conversation conversation : conversations) {
2265			if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
2266				joinMuc(conversation);
2267			}
2268		}
2269	}
2270
2271	public void joinMuc(Conversation conversation) {
2272		joinMuc(conversation, null, false);
2273	}
2274
2275	public void joinMuc(Conversation conversation, boolean followedInvite) {
2276		joinMuc(conversation, null, followedInvite);
2277	}
2278
2279	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2280		joinMuc(conversation, onConferenceJoined, false);
2281	}
2282
2283	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined, final boolean followedInvite) {
2284		Account account = conversation.getAccount();
2285		account.pendingConferenceJoins.remove(conversation);
2286		account.pendingConferenceLeaves.remove(conversation);
2287		if (account.getStatus() == Account.State.ONLINE) {
2288			sendPresencePacket(account, mPresenceGenerator.leave(conversation.getMucOptions()));
2289			conversation.resetMucOptions();
2290			if (onConferenceJoined != null) {
2291				conversation.getMucOptions().flagNoAutoPushConfiguration();
2292			}
2293			conversation.setHasMessagesLeftOnServer(false);
2294			fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
2295
2296				private void join(Conversation conversation) {
2297					Account account = conversation.getAccount();
2298					final MucOptions mucOptions = conversation.getMucOptions();
2299
2300					if (mucOptions.nonanonymous() && !mucOptions.membersOnly() && !conversation.getBooleanAttribute("accept_non_anonymous", false)) {
2301					    mucOptions.setError(MucOptions.Error.NON_ANONYMOUS);
2302					    updateConversationUi();
2303					    return;
2304                    }
2305
2306					final Jid joinJid = mucOptions.getSelf().getFullJid();
2307					Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": joining conversation " + joinJid.toString());
2308					PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous() || onConferenceJoined != null);
2309					packet.setTo(joinJid);
2310					Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
2311					if (conversation.getMucOptions().getPassword() != null) {
2312						x.addChild("password").setContent(mucOptions.getPassword());
2313					}
2314
2315					if (mucOptions.mamSupport()) {
2316						// Use MAM instead of the limited muc history to get history
2317						x.addChild("history").setAttribute("maxchars", "0");
2318					} else {
2319						// Fallback to muc history
2320						x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted().getTimestamp()));
2321					}
2322					sendPresencePacket(account, packet);
2323					if (onConferenceJoined != null) {
2324						onConferenceJoined.onConferenceJoined(conversation);
2325					}
2326					if (!joinJid.equals(conversation.getJid())) {
2327						conversation.setContactJid(joinJid);
2328						databaseBackend.updateConversation(conversation);
2329					}
2330
2331					if (mucOptions.mamSupport()) {
2332						getMessageArchiveService().catchupMUC(conversation);
2333					}
2334					if (mucOptions.isPrivateAndNonAnonymous()) {
2335						fetchConferenceMembers(conversation);
2336						if (followedInvite && conversation.getBookmark() == null) {
2337							saveConversationAsBookmark(conversation, null);
2338						}
2339					}
2340					sendUnsentMessages(conversation);
2341				}
2342
2343				@Override
2344				public void onConferenceConfigurationFetched(Conversation conversation) {
2345					join(conversation);
2346				}
2347
2348				@Override
2349				public void onFetchFailed(final Conversation conversation, Element error) {
2350					if (error != null && "remote-server-not-found".equals(error.getName())) {
2351						conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
2352						updateConversationUi();
2353					} else {
2354						join(conversation);
2355						fetchConferenceConfiguration(conversation);
2356					}
2357				}
2358			});
2359			updateConversationUi();
2360		} else {
2361			account.pendingConferenceJoins.add(conversation);
2362			conversation.resetMucOptions();
2363			conversation.setHasMessagesLeftOnServer(false);
2364			updateConversationUi();
2365		}
2366	}
2367
2368	private void fetchConferenceMembers(final Conversation conversation) {
2369		final Account account = conversation.getAccount();
2370		final AxolotlService axolotlService = account.getAxolotlService();
2371		final String[] affiliations = {"member", "admin", "owner"};
2372		OnIqPacketReceived callback = new OnIqPacketReceived() {
2373
2374			private int i = 0;
2375			private boolean success = true;
2376
2377			@Override
2378			public void onIqPacketReceived(Account account, IqPacket packet) {
2379				final boolean omemoEnabled = conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL;
2380				Element query = packet.query("http://jabber.org/protocol/muc#admin");
2381				if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2382					for (Element child : query.getChildren()) {
2383						if ("item".equals(child.getName())) {
2384							MucOptions.User user = AbstractParser.parseItem(conversation, child);
2385							if (!user.realJidMatchesAccount()) {
2386								boolean isNew = conversation.getMucOptions().updateUser(user);
2387								Contact contact = user.getContact();
2388								if (omemoEnabled
2389										&& isNew
2390										&& user.getRealJid() != null
2391										&& (contact == null || !contact.mutualPresenceSubscription())
2392										&& axolotlService.hasEmptyDeviceList(user.getRealJid())) {
2393									axolotlService.fetchDeviceIds(user.getRealJid());
2394								}
2395							}
2396						}
2397					}
2398				} else {
2399					success = false;
2400					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not request affiliation " + affiliations[i] + " in " + conversation.getJid().asBareJid());
2401				}
2402				++i;
2403				if (i >= affiliations.length) {
2404					List<Jid> members = conversation.getMucOptions().getMembers(true);
2405					if (success) {
2406						List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
2407						boolean changed = false;
2408						for (ListIterator<Jid> iterator = cryptoTargets.listIterator(); iterator.hasNext(); ) {
2409							Jid jid = iterator.next();
2410							if (!members.contains(jid) && !members.contains(Jid.ofDomain(jid.getDomain()))) {
2411								iterator.remove();
2412								Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
2413								changed = true;
2414							}
2415						}
2416						if (changed) {
2417							conversation.setAcceptedCryptoTargets(cryptoTargets);
2418							updateConversation(conversation);
2419						}
2420					}
2421					getAvatarService().clear(conversation);
2422					updateMucRosterUi();
2423					updateConversationUi();
2424				}
2425			}
2426		};
2427		for (String affiliation : affiliations) {
2428			sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
2429		}
2430		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching members for " + conversation.getName());
2431	}
2432
2433	public void providePasswordForMuc(Conversation conversation, String password) {
2434		if (conversation.getMode() == Conversation.MODE_MULTI) {
2435			conversation.getMucOptions().setPassword(password);
2436			if (conversation.getBookmark() != null) {
2437				if (respectAutojoin()) {
2438					conversation.getBookmark().setAutojoin(true);
2439				}
2440				pushBookmarks(conversation.getAccount());
2441			}
2442			updateConversation(conversation);
2443			joinMuc(conversation);
2444		}
2445	}
2446
2447	private boolean hasEnabledAccounts() {
2448		for (Account account : this.accounts) {
2449			if (account.isEnabled()) {
2450				return true;
2451			}
2452		}
2453		return false;
2454	}
2455
2456
2457	public void getAttachments(final Conversation conversation, int limit, final OnMediaLoaded onMediaLoaded) {
2458        getAttachments(conversation.getAccount(), conversation.getJid().asBareJid(), limit, onMediaLoaded);
2459    }
2460
2461    public void getAttachments(final Account account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
2462        getAttachments(account.getUuid(),jid.asBareJid(),limit, onMediaLoaded);
2463    }
2464
2465
2466	public void getAttachments(final String account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
2467        new Thread(() -> onMediaLoaded.onMediaLoaded(fileBackend.convertToAttachments(databaseBackend.getRelativeFilePaths(account, jid, limit)))).start();
2468    }
2469
2470	public void persistSelfNick(MucOptions.User self) {
2471		final Conversation conversation = self.getConversation();
2472		final boolean tookProposedNickFromBookmark = conversation.getMucOptions().isTookProposedNickFromBookmark();
2473		Jid full = self.getFullJid();
2474		if (!full.equals(conversation.getJid())) {
2475			Log.d(Config.LOGTAG, "nick changed. updating");
2476			conversation.setContactJid(full);
2477			databaseBackend.updateConversation(conversation);
2478		}
2479
2480		final Bookmark bookmark = conversation.getBookmark();
2481		final String bookmarkedNick = bookmark == null ? null : bookmark.getNick();
2482        if (bookmark != null && (tookProposedNickFromBookmark || TextUtils.isEmpty(bookmarkedNick)) && !full.getResource().equals(bookmarkedNick)) {
2483            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": persist nick '" + full.getResource() + "' into bookmark for " + conversation.getJid().asBareJid());
2484            bookmark.setNick(full.getResource());
2485            pushBookmarks(bookmark.getAccount());
2486        }
2487	}
2488
2489	public boolean renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
2490		final MucOptions options = conversation.getMucOptions();
2491		final Jid joinJid = options.createJoinJid(nick);
2492		if (joinJid == null) {
2493			return false;
2494		}
2495		if (options.online()) {
2496			Account account = conversation.getAccount();
2497			options.setOnRenameListener(new OnRenameListener() {
2498
2499				@Override
2500				public void onSuccess() {
2501					callback.success(conversation);
2502				}
2503
2504				@Override
2505				public void onFailure() {
2506					callback.error(R.string.nick_in_use, conversation);
2507				}
2508			});
2509
2510			PresencePacket packet = new PresencePacket();
2511			packet.setTo(joinJid);
2512			packet.setFrom(conversation.getAccount().getJid());
2513
2514			String sig = account.getPgpSignature();
2515			if (sig != null) {
2516				packet.addChild("status").setContent("online");
2517				packet.addChild("x", "jabber:x:signed").setContent(sig);
2518			}
2519			sendPresencePacket(account, packet);
2520		} else {
2521			conversation.setContactJid(joinJid);
2522			databaseBackend.updateConversation(conversation);
2523			if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2524				Bookmark bookmark = conversation.getBookmark();
2525				if (bookmark != null) {
2526					bookmark.setNick(nick);
2527					pushBookmarks(bookmark.getAccount());
2528				}
2529				joinMuc(conversation);
2530			}
2531		}
2532		return true;
2533	}
2534
2535	public void leaveMuc(Conversation conversation) {
2536		leaveMuc(conversation, false);
2537	}
2538
2539	private void leaveMuc(Conversation conversation, boolean now) {
2540		Account account = conversation.getAccount();
2541		account.pendingConferenceJoins.remove(conversation);
2542		account.pendingConferenceLeaves.remove(conversation);
2543		if (account.getStatus() == Account.State.ONLINE || now) {
2544			sendPresencePacket(conversation.getAccount(), mPresenceGenerator.leave(conversation.getMucOptions()));
2545			conversation.getMucOptions().setOffline();
2546			Bookmark bookmark = conversation.getBookmark();
2547			if (bookmark != null) {
2548				bookmark.setConversation(null);
2549			}
2550			Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": leaving muc " + conversation.getJid());
2551		} else {
2552			account.pendingConferenceLeaves.add(conversation);
2553		}
2554	}
2555
2556	public String findConferenceServer(final Account account) {
2557		String server;
2558		if (account.getXmppConnection() != null) {
2559			server = account.getXmppConnection().getMucServer();
2560			if (server != null) {
2561				return server;
2562			}
2563		}
2564		for (Account other : getAccounts()) {
2565			if (other != account && other.getXmppConnection() != null) {
2566				server = other.getXmppConnection().getMucServer();
2567				if (server != null) {
2568					return server;
2569				}
2570			}
2571		}
2572		return null;
2573	}
2574
2575	public boolean createAdhocConference(final Account account,
2576	                                     final String name,
2577	                                     final Iterable<Jid> jids,
2578	                                     final UiCallback<Conversation> callback) {
2579		Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": creating adhoc conference with " + jids.toString());
2580		if (account.getStatus() == Account.State.ONLINE) {
2581			try {
2582				String server = findConferenceServer(account);
2583				if (server == null) {
2584					if (callback != null) {
2585						callback.error(R.string.no_conference_server_found, null);
2586					}
2587					return false;
2588				}
2589				final Jid jid = Jid.of(CryptoHelper.pronounceable(getRNG()), server, null);
2590				final Conversation conversation = findOrCreateConversation(account, jid, true, false, true);
2591				joinMuc(conversation, new OnConferenceJoined() {
2592					@Override
2593					public void onConferenceJoined(final Conversation conversation) {
2594						final Bundle configuration = IqGenerator.defaultRoomConfiguration();
2595						if (!TextUtils.isEmpty(name)) {
2596							configuration.putString("muc#roomconfig_roomname", name);
2597						}
2598						pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
2599							@Override
2600							public void onPushSucceeded() {
2601								for (Jid invite : jids) {
2602									invite(conversation, invite);
2603								}
2604								if (account.countPresences() > 1) {
2605									directInvite(conversation, account.getJid().asBareJid());
2606								}
2607								saveConversationAsBookmark(conversation, name);
2608								if (callback != null) {
2609									callback.success(conversation);
2610								}
2611							}
2612
2613							@Override
2614							public void onPushFailed() {
2615								archiveConversation(conversation);
2616								if (callback != null) {
2617									callback.error(R.string.conference_creation_failed, conversation);
2618								}
2619							}
2620						});
2621					}
2622				});
2623				return true;
2624			} catch (IllegalArgumentException e) {
2625				if (callback != null) {
2626					callback.error(R.string.conference_creation_failed, null);
2627				}
2628				return false;
2629			}
2630		} else {
2631			if (callback != null) {
2632				callback.error(R.string.not_connected_try_again, null);
2633			}
2634			return false;
2635		}
2636	}
2637
2638	public void fetchConferenceConfiguration(final Conversation conversation) {
2639		fetchConferenceConfiguration(conversation, null);
2640	}
2641
2642	public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
2643		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2644		request.setTo(conversation.getJid().asBareJid());
2645		request.query("http://jabber.org/protocol/disco#info");
2646		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2647			@Override
2648			public void onIqPacketReceived(Account account, IqPacket packet) {
2649				if (packet.getType() == IqPacket.TYPE.RESULT) {
2650
2651					final MucOptions mucOptions = conversation.getMucOptions();
2652					final Bookmark bookmark = conversation.getBookmark();
2653					final boolean sameBefore = StringUtils.equals(bookmark == null ? null : bookmark.getBookmarkName(), mucOptions.getName());
2654
2655					if (mucOptions.updateConfiguration(new ServiceDiscoveryResult(packet))) {
2656						Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": muc configuration changed for " + conversation.getJid().asBareJid());
2657						updateConversation(conversation);
2658					}
2659
2660					if (bookmark != null && (sameBefore || bookmark.getBookmarkName() == null)) {
2661						if (bookmark.setBookmarkName(StringUtils.nullOnEmpty(mucOptions.getName()))) {
2662							pushBookmarks(account);
2663						}
2664					}
2665
2666
2667					if (callback != null) {
2668						callback.onConferenceConfigurationFetched(conversation);
2669					}
2670
2671
2672
2673					updateConversationUi();
2674				} else if (packet.getType() == IqPacket.TYPE.ERROR) {
2675					if (callback != null) {
2676						callback.onFetchFailed(conversation, packet.getError());
2677					}
2678				}
2679			}
2680		});
2681	}
2682
2683	public void pushNodeConfiguration(Account account, final String node, final Bundle options, final OnConfigurationPushed callback) {
2684		pushNodeConfiguration(account, account.getJid().asBareJid(), node, options, callback);
2685	}
2686
2687	public void pushNodeConfiguration(Account account, final Jid jid, final String node, final Bundle options, final OnConfigurationPushed callback) {
2688        Log.d(Config.LOGTAG,"pushing node configuration");
2689		sendIqPacket(account, mIqGenerator.requestPubsubConfiguration(jid, node), new OnIqPacketReceived() {
2690			@Override
2691			public void onIqPacketReceived(Account account, IqPacket packet) {
2692				if (packet.getType() == IqPacket.TYPE.RESULT) {
2693					Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub#owner");
2694					Element configuration = pubsub == null ? null : pubsub.findChild("configure");
2695					Element x = configuration == null ? null : configuration.findChild("x", Namespace.DATA);
2696					if (x != null) {
2697						Data data = Data.parse(x);
2698						data.submit(options);
2699						sendIqPacket(account, mIqGenerator.publishPubsubConfiguration(jid, node, data), new OnIqPacketReceived() {
2700							@Override
2701							public void onIqPacketReceived(Account account, IqPacket packet) {
2702								if (packet.getType() == IqPacket.TYPE.RESULT && callback != null) {
2703									Log.d(Config.LOGTAG,account.getJid().asBareJid()+": successfully changed node configuration for node "+node);
2704									callback.onPushSucceeded();
2705								} else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
2706									callback.onPushFailed();
2707								}
2708							}
2709						});
2710					} else if (callback != null) {
2711						callback.onPushFailed();
2712					}
2713				} else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
2714					callback.onPushFailed();
2715				}
2716			}
2717		});
2718	}
2719
2720	public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConfigurationPushed callback) {
2721		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2722		request.setTo(conversation.getJid().asBareJid());
2723		request.query("http://jabber.org/protocol/muc#owner");
2724		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2725			@Override
2726			public void onIqPacketReceived(Account account, IqPacket packet) {
2727				if (packet.getType() == IqPacket.TYPE.RESULT) {
2728					Data data = Data.parse(packet.query().findChild("x", Namespace.DATA));
2729					data.submit(options);
2730					IqPacket set = new IqPacket(IqPacket.TYPE.SET);
2731					set.setTo(conversation.getJid().asBareJid());
2732					set.query("http://jabber.org/protocol/muc#owner").addChild(data);
2733					sendIqPacket(account, set, new OnIqPacketReceived() {
2734						@Override
2735						public void onIqPacketReceived(Account account, IqPacket packet) {
2736							if (callback != null) {
2737								if (packet.getType() == IqPacket.TYPE.RESULT) {
2738									callback.onPushSucceeded();
2739								} else {
2740									callback.onPushFailed();
2741								}
2742							}
2743						}
2744					});
2745				} else {
2746					if (callback != null) {
2747						callback.onPushFailed();
2748					}
2749				}
2750			}
2751		});
2752	}
2753
2754	public void pushSubjectToConference(final Conversation conference, final String subject) {
2755		MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, StringUtils.nullOnEmpty(subject));
2756		this.sendMessagePacket(conference.getAccount(), packet);
2757	}
2758
2759	public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
2760		final Jid jid = user.asBareJid();
2761		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
2762		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2763			@Override
2764			public void onIqPacketReceived(Account account, IqPacket packet) {
2765				if (packet.getType() == IqPacket.TYPE.RESULT) {
2766					conference.getMucOptions().changeAffiliation(jid, affiliation);
2767					getAvatarService().clear(conference);
2768					callback.onAffiliationChangedSuccessful(jid);
2769				} else {
2770					callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
2771				}
2772			}
2773		});
2774	}
2775
2776	public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
2777		List<Jid> jids = new ArrayList<>();
2778		for (MucOptions.User user : conference.getMucOptions().getUsers()) {
2779			if (user.getAffiliation() == before && user.getRealJid() != null) {
2780				jids.add(user.getRealJid());
2781			}
2782		}
2783		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
2784		sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
2785	}
2786
2787	public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role, final OnRoleChanged callback) {
2788		IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
2789		Log.d(Config.LOGTAG, request.toString());
2790		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2791			@Override
2792			public void onIqPacketReceived(Account account, IqPacket packet) {
2793				Log.d(Config.LOGTAG, packet.toString());
2794				if (packet.getType() == IqPacket.TYPE.RESULT) {
2795					callback.onRoleChangedSuccessful(nick);
2796				} else {
2797					callback.onRoleChangeFailed(nick, R.string.could_not_change_role);
2798				}
2799			}
2800		});
2801	}
2802
2803	private void disconnect(Account account, boolean force) {
2804		if ((account.getStatus() == Account.State.ONLINE)
2805				|| (account.getStatus() == Account.State.DISABLED)) {
2806			final XmppConnection connection = account.getXmppConnection();
2807			if (!force) {
2808				List<Conversation> conversations = getConversations();
2809				for (Conversation conversation : conversations) {
2810					if (conversation.getAccount() == account) {
2811						if (conversation.getMode() == Conversation.MODE_MULTI) {
2812							leaveMuc(conversation, true);
2813						}
2814					}
2815				}
2816				sendOfflinePresence(account);
2817			}
2818			connection.disconnect(force);
2819		}
2820	}
2821
2822	@Override
2823	public IBinder onBind(Intent intent) {
2824		return mBinder;
2825	}
2826
2827	public void updateMessage(Message message) {
2828		updateMessage(message, true);
2829	}
2830
2831	public void updateMessage(Message message, boolean includeBody) {
2832		databaseBackend.updateMessage(message, includeBody);
2833		updateConversationUi();
2834	}
2835
2836	public void updateMessage(Message message, String uuid) {
2837		if (!databaseBackend.updateMessage(message, uuid)) {
2838            Log.e(Config.LOGTAG,"error updated message in DB after edit");
2839        }
2840		updateConversationUi();
2841	}
2842
2843	protected void syncDirtyContacts(Account account) {
2844		for (Contact contact : account.getRoster().getContacts()) {
2845			if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
2846				pushContactToServer(contact);
2847			}
2848			if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
2849				deleteContactOnServer(contact);
2850			}
2851		}
2852	}
2853
2854	public void createContact(Contact contact, boolean autoGrant) {
2855		if (autoGrant) {
2856			contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
2857			contact.setOption(Contact.Options.ASKING);
2858		}
2859		pushContactToServer(contact);
2860	}
2861
2862	public void pushContactToServer(final Contact contact) {
2863		contact.resetOption(Contact.Options.DIRTY_DELETE);
2864		contact.setOption(Contact.Options.DIRTY_PUSH);
2865		final Account account = contact.getAccount();
2866		if (account.getStatus() == Account.State.ONLINE) {
2867			final boolean ask = contact.getOption(Contact.Options.ASKING);
2868			final boolean sendUpdates = contact
2869					.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
2870					&& contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
2871			final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2872			iq.query(Namespace.ROSTER).addChild(contact.asElement());
2873			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2874			if (sendUpdates) {
2875				sendPresencePacket(account, mPresenceGenerator.sendPresenceUpdatesTo(contact));
2876			}
2877			if (ask) {
2878				sendPresencePacket(account, mPresenceGenerator.requestPresenceUpdatesFrom(contact));
2879			}
2880		} else {
2881			syncRoster(contact.getAccount());
2882		}
2883	}
2884
2885	public void publishMucAvatar(final Conversation conversation, final Uri image, final OnAvatarPublication callback) {
2886		new Thread(() -> {
2887			final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
2888			final int size = Config.AVATAR_SIZE;
2889			final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
2890			if (avatar != null) {
2891				if (!getFileBackend().save(avatar)) {
2892					callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
2893					return;
2894				}
2895				avatar.owner = conversation.getJid().asBareJid();
2896				publishMucAvatar(conversation, avatar, callback);
2897			} else {
2898				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
2899			}
2900		}).start();
2901	}
2902
2903	public void publishAvatar(final Account account, final Uri image, final OnAvatarPublication callback) {
2904		new Thread(() -> {
2905			final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
2906			final int size = Config.AVATAR_SIZE;
2907			final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
2908			if (avatar != null) {
2909				if (!getFileBackend().save(avatar)) {
2910					Log.d(Config.LOGTAG,"unable to save vcard");
2911					callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
2912					return;
2913				}
2914				publishAvatar(account, avatar, callback);
2915			} else {
2916				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
2917			}
2918		}).start();
2919
2920	}
2921
2922	private void publishMucAvatar(Conversation conversation, Avatar avatar, OnAvatarPublication callback) {
2923		final IqPacket retrieve = mIqGenerator.retrieveVcardAvatar(avatar);
2924		sendIqPacket(conversation.getAccount(), retrieve, (account, response) -> {
2925			boolean itemNotFound = response.getType() == IqPacket.TYPE.ERROR && response.hasChild("error") && response.findChild("error").hasChild("item-not-found");
2926			if (response.getType() == IqPacket.TYPE.RESULT || itemNotFound) {
2927				Element vcard = response.findChild("vCard", "vcard-temp");
2928				if (vcard == null) {
2929					vcard = new Element("vCard", "vcard-temp");
2930				}
2931				Element photo = vcard.findChild("PHOTO");
2932				if (photo == null) {
2933					photo = vcard.addChild("PHOTO");
2934				}
2935				photo.clearChildren();
2936				photo.addChild("TYPE").setContent(avatar.type);
2937				photo.addChild("BINVAL").setContent(avatar.image);
2938				IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
2939				publication.setTo(conversation.getJid().asBareJid());
2940				publication.addChild(vcard);
2941				sendIqPacket(account, publication, (a1, publicationResponse) -> {
2942					if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
2943						callback.onAvatarPublicationSucceeded();
2944					} else {
2945						Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getError());
2946						callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
2947					}
2948				});
2949			} else {
2950				Log.d(Config.LOGTAG, "failed to request vcard " + response.toString());
2951				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_no_server_support);
2952			}
2953		});
2954	}
2955
2956    public void publishAvatar(Account account, final Avatar avatar, final OnAvatarPublication callback) {
2957        final Bundle options;
2958        if (account.getXmppConnection().getFeatures().pepPublishOptions()) {
2959            options = PublishOptions.openAccess();
2960        } else {
2961            options = null;
2962        }
2963        publishAvatar(account, avatar, options, true, callback);
2964    }
2965
2966	public void publishAvatar(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
2967        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": publishing avatar. options="+options);
2968		IqPacket packet = this.mIqGenerator.publishAvatar(avatar, options);
2969		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2970
2971			@Override
2972			public void onIqPacketReceived(Account account, IqPacket result) {
2973				if (result.getType() == IqPacket.TYPE.RESULT) {
2974                    publishAvatarMetadata(account, avatar, options,true, callback);
2975                } else if (retry && PublishOptions.preconditionNotMet(result)) {
2976				    pushNodeConfiguration(account, "urn:xmpp:avatar:data", options, new OnConfigurationPushed() {
2977                        @Override
2978                        public void onPushSucceeded() {
2979                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": changed node configuration for avatar node");
2980                            publishAvatar(account, avatar, options, false, callback);
2981                        }
2982
2983                        @Override
2984                        public void onPushFailed() {
2985                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to change node configuration for avatar node");
2986                            publishAvatar(account, avatar, null, false, callback);
2987                        }
2988                    });
2989				} else {
2990					Element error = result.findChild("error");
2991					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server rejected avatar " + (avatar.size / 1024) + "KiB " + (error != null ? error.toString() : ""));
2992					if (callback != null) {
2993						callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
2994					}
2995				}
2996			}
2997		});
2998	}
2999
3000	public void publishAvatarMetadata(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3001        final IqPacket packet = XmppConnectionService.this.mIqGenerator.publishAvatarMetadata(avatar, options);
3002        sendIqPacket(account, packet, new OnIqPacketReceived() {
3003            @Override
3004            public void onIqPacketReceived(Account account, IqPacket result) {
3005                if (result.getType() == IqPacket.TYPE.RESULT) {
3006                    if (account.setAvatar(avatar.getFilename())) {
3007                        getAvatarService().clear(account);
3008                        databaseBackend.updateAccount(account);
3009                    }
3010                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": published avatar " + (avatar.size / 1024) + "KiB");
3011                    if (callback != null) {
3012                        callback.onAvatarPublicationSucceeded();
3013                    }
3014                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3015                    pushNodeConfiguration(account, "urn:xmpp:avatar:metadata", options, new OnConfigurationPushed() {
3016                        @Override
3017                        public void onPushSucceeded() {
3018                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": changed node configuration for avatar meta data node");
3019                            publishAvatarMetadata(account, avatar, options,false, callback);
3020                        }
3021
3022                        @Override
3023                        public void onPushFailed() {
3024                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to change node configuration for avatar meta data node");
3025                            publishAvatarMetadata(account, avatar,  null,false, callback);
3026                        }
3027                    });
3028                } else {
3029                    if (callback != null) {
3030                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3031                    }
3032                }
3033            }
3034        });
3035    }
3036
3037	public void republishAvatarIfNeeded(Account account) {
3038		if (account.getAxolotlService().isPepBroken()) {
3039			Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping republication of avatar because pep is broken");
3040			return;
3041		}
3042		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3043		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3044
3045			private Avatar parseAvatar(IqPacket packet) {
3046				Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3047				if (pubsub != null) {
3048					Element items = pubsub.findChild("items");
3049					if (items != null) {
3050						return Avatar.parseMetadata(items);
3051					}
3052				}
3053				return null;
3054			}
3055
3056			private boolean errorIsItemNotFound(IqPacket packet) {
3057				Element error = packet.findChild("error");
3058				return packet.getType() == IqPacket.TYPE.ERROR
3059						&& error != null
3060						&& error.hasChild("item-not-found");
3061			}
3062
3063			@Override
3064			public void onIqPacketReceived(Account account, IqPacket packet) {
3065				if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
3066					Avatar serverAvatar = parseAvatar(packet);
3067					if (serverAvatar == null && account.getAvatar() != null) {
3068						Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
3069						if (avatar != null) {
3070							Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar on server was null. republishing");
3071							publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
3072						} else {
3073							Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": error rereading avatar");
3074						}
3075					}
3076				}
3077			}
3078		});
3079	}
3080
3081	public void fetchAvatar(Account account, Avatar avatar) {
3082		fetchAvatar(account, avatar, null);
3083	}
3084
3085	public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3086		final String KEY = generateFetchKey(account, avatar);
3087		synchronized (this.mInProgressAvatarFetches) {
3088			if (!this.mInProgressAvatarFetches.contains(KEY)) {
3089				switch (avatar.origin) {
3090					case PEP:
3091						this.mInProgressAvatarFetches.add(KEY);
3092						fetchAvatarPep(account, avatar, callback);
3093						break;
3094					case VCARD:
3095						this.mInProgressAvatarFetches.add(KEY);
3096						fetchAvatarVcard(account, avatar, callback);
3097						break;
3098				}
3099			}
3100		}
3101	}
3102
3103	private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3104		IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
3105		sendIqPacket(account, packet, (a, result) -> {
3106			synchronized (mInProgressAvatarFetches) {
3107				mInProgressAvatarFetches.remove(generateFetchKey(a, avatar));
3108			}
3109			final String ERROR = a.getJid().asBareJid() + ": fetching avatar for " + avatar.owner + " failed ";
3110			if (result.getType() == IqPacket.TYPE.RESULT) {
3111				avatar.image = mIqParser.avatarData(result);
3112				if (avatar.image != null) {
3113					if (getFileBackend().save(avatar)) {
3114						if (a.getJid().asBareJid().equals(avatar.owner)) {
3115							if (a.setAvatar(avatar.getFilename())) {
3116								databaseBackend.updateAccount(a);
3117							}
3118							getAvatarService().clear(a);
3119							updateConversationUi();
3120							updateAccountUi();
3121						} else {
3122							Contact contact = a.getRoster().getContact(avatar.owner);
3123							if (contact.setAvatar(avatar)) {
3124								syncRoster(account);
3125								getAvatarService().clear(contact);
3126								updateConversationUi();
3127								updateRosterUi();
3128							}
3129						}
3130						if (callback != null) {
3131							callback.success(avatar);
3132						}
3133						Log.d(Config.LOGTAG, a.getJid().asBareJid()
3134								+ ": successfully fetched pep avatar for " + avatar.owner);
3135						return;
3136					}
3137				} else {
3138
3139					Log.d(Config.LOGTAG, ERROR + "(parsing error)");
3140				}
3141			} else {
3142				Element error = result.findChild("error");
3143				if (error == null) {
3144					Log.d(Config.LOGTAG, ERROR + "(server error)");
3145				} else {
3146					Log.d(Config.LOGTAG, ERROR + error.toString());
3147				}
3148			}
3149			if (callback != null) {
3150				callback.error(0, null);
3151			}
3152
3153		});
3154	}
3155
3156	private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3157		IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
3158		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3159			@Override
3160			public void onIqPacketReceived(Account account, IqPacket packet) {
3161				synchronized (mInProgressAvatarFetches) {
3162					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
3163				}
3164				if (packet.getType() == IqPacket.TYPE.RESULT) {
3165					Element vCard = packet.findChild("vCard", "vcard-temp");
3166					Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
3167					String image = photo != null ? photo.findChildContent("BINVAL") : null;
3168					if (image != null) {
3169						avatar.image = image;
3170						if (getFileBackend().save(avatar)) {
3171							Log.d(Config.LOGTAG, account.getJid().asBareJid()
3172									+ ": successfully fetched vCard avatar for " + avatar.owner);
3173							if (avatar.owner.isBareJid()) {
3174								if (account.getJid().asBareJid().equals(avatar.owner) && account.getAvatar() == null) {
3175									Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": had no avatar. replacing with vcard");
3176									account.setAvatar(avatar.getFilename());
3177									databaseBackend.updateAccount(account);
3178									getAvatarService().clear(account);
3179									updateAccountUi();
3180								} else {
3181									Contact contact = account.getRoster().getContact(avatar.owner);
3182									if (contact.setAvatar(avatar)) {
3183										syncRoster(account);
3184										getAvatarService().clear(contact);
3185										updateRosterUi();
3186									}
3187								}
3188								updateConversationUi();
3189							} else {
3190								Conversation conversation = find(account, avatar.owner.asBareJid());
3191								if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
3192									MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
3193									if (user != null) {
3194										if (user.setAvatar(avatar)) {
3195											getAvatarService().clear(user);
3196											updateConversationUi();
3197											updateMucRosterUi();
3198										}
3199										if (user.getRealJid() != null) {
3200										    Contact contact = account.getRoster().getContact(user.getRealJid());
3201										    if (contact.setAvatar(avatar)) {
3202                                                syncRoster(account);
3203                                                getAvatarService().clear(contact);
3204                                                updateRosterUi();
3205                                            }
3206                                        }
3207									}
3208								}
3209							}
3210						}
3211					}
3212				}
3213			}
3214		});
3215	}
3216
3217	public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
3218		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3219		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3220
3221			@Override
3222			public void onIqPacketReceived(Account account, IqPacket packet) {
3223				if (packet.getType() == IqPacket.TYPE.RESULT) {
3224					Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3225					if (pubsub != null) {
3226						Element items = pubsub.findChild("items");
3227						if (items != null) {
3228							Avatar avatar = Avatar.parseMetadata(items);
3229							if (avatar != null) {
3230								avatar.owner = account.getJid().asBareJid();
3231								if (fileBackend.isAvatarCached(avatar)) {
3232									if (account.setAvatar(avatar.getFilename())) {
3233										databaseBackend.updateAccount(account);
3234									}
3235									getAvatarService().clear(account);
3236									callback.success(avatar);
3237								} else {
3238									fetchAvatarPep(account, avatar, callback);
3239								}
3240								return;
3241							}
3242						}
3243					}
3244				}
3245				callback.error(0, null);
3246			}
3247		});
3248	}
3249
3250	public void deleteContactOnServer(Contact contact) {
3251		contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
3252		contact.resetOption(Contact.Options.DIRTY_PUSH);
3253		contact.setOption(Contact.Options.DIRTY_DELETE);
3254		Account account = contact.getAccount();
3255		if (account.getStatus() == Account.State.ONLINE) {
3256			IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3257			Element item = iq.query(Namespace.ROSTER).addChild("item");
3258			item.setAttribute("jid", contact.getJid().toString());
3259			item.setAttribute("subscription", "remove");
3260			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3261		}
3262	}
3263
3264	public void updateConversation(final Conversation conversation) {
3265		mDatabaseWriterExecutor.execute(() -> databaseBackend.updateConversation(conversation));
3266	}
3267
3268	private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
3269		synchronized (account) {
3270			XmppConnection connection = account.getXmppConnection();
3271			if (connection == null) {
3272				connection = createConnection(account);
3273				account.setXmppConnection(connection);
3274			}
3275			boolean hasInternet = hasInternetConnection();
3276			if (account.isEnabled() && hasInternet) {
3277				if (!force) {
3278					disconnect(account, false);
3279				}
3280				Thread thread = new Thread(connection);
3281				connection.setInteractive(interactive);
3282				connection.prepareNewConnection();
3283				connection.interrupt();
3284				thread.start();
3285				scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
3286			} else {
3287				disconnect(account, force || account.getTrueStatus().isError() || !hasInternet);
3288				account.getRoster().clearPresences();
3289				connection.resetEverything();
3290				final AxolotlService axolotlService = account.getAxolotlService();
3291				if (axolotlService != null) {
3292					axolotlService.resetBrokenness();
3293				}
3294				if (!hasInternet) {
3295					account.setStatus(Account.State.NO_INTERNET);
3296				}
3297			}
3298		}
3299	}
3300
3301	public void reconnectAccountInBackground(final Account account) {
3302		new Thread(() -> reconnectAccount(account, false, true)).start();
3303	}
3304
3305	public void invite(Conversation conversation, Jid contact) {
3306		Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": inviting " + contact + " to " + conversation.getJid().asBareJid());
3307		MessagePacket packet = mMessageGenerator.invite(conversation, contact);
3308		sendMessagePacket(conversation.getAccount(), packet);
3309	}
3310
3311	public void directInvite(Conversation conversation, Jid jid) {
3312		MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
3313		sendMessagePacket(conversation.getAccount(), packet);
3314	}
3315
3316	public void resetSendingToWaiting(Account account) {
3317		for (Conversation conversation : getConversations()) {
3318			if (conversation.getAccount() == account) {
3319				conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
3320			}
3321		}
3322	}
3323
3324	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
3325		return markMessage(account, recipient, uuid, status, null);
3326	}
3327
3328	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
3329		if (uuid == null) {
3330			return null;
3331		}
3332		for (Conversation conversation : getConversations()) {
3333			if (conversation.getJid().asBareJid().equals(recipient) && conversation.getAccount() == account) {
3334				final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
3335				if (message != null) {
3336					markMessage(message, status, errorMessage);
3337				}
3338				return message;
3339			}
3340		}
3341		return null;
3342	}
3343
3344	public boolean markMessage(Conversation conversation, String uuid, int status, String serverMessageId) {
3345		if (uuid == null) {
3346			return false;
3347		} else {
3348			Message message = conversation.findSentMessageWithUuid(uuid);
3349			if (message != null) {
3350				if (message.getServerMsgId() == null) {
3351					message.setServerMsgId(serverMessageId);
3352				}
3353				markMessage(message, status);
3354				return true;
3355			} else {
3356				return false;
3357			}
3358		}
3359	}
3360
3361	public void markMessage(Message message, int status) {
3362		markMessage(message, status, null);
3363	}
3364
3365
3366	public void markMessage(Message message, int status, String errorMessage) {
3367		final int c = message.getStatus();
3368		if (status == Message.STATUS_SEND_FAILED && (c == Message.STATUS_SEND_RECEIVED || c == Message.STATUS_SEND_DISPLAYED)) {
3369			return;
3370		}
3371		if (status == Message.STATUS_SEND_RECEIVED && c == Message.STATUS_SEND_DISPLAYED) {
3372			return;
3373		}
3374		message.setErrorMessage(errorMessage);
3375		message.setStatus(status);
3376		databaseBackend.updateMessage(message, false);
3377		updateConversationUi();
3378	}
3379
3380	private SharedPreferences getPreferences() {
3381		return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
3382	}
3383
3384	public long getAutomaticMessageDeletionDate() {
3385		final long timeout = getLongPreference(SettingsActivity.AUTOMATIC_MESSAGE_DELETION, R.integer.automatic_message_deletion);
3386		return timeout == 0 ? timeout : (System.currentTimeMillis() - (timeout * 1000));
3387	}
3388
3389	public long getLongPreference(String name, @IntegerRes int res) {
3390		long defaultValue = getResources().getInteger(res);
3391		try {
3392			return Long.parseLong(getPreferences().getString(name, String.valueOf(defaultValue)));
3393		} catch (NumberFormatException e) {
3394			return defaultValue;
3395		}
3396	}
3397
3398	public boolean getBooleanPreference(String name, @BoolRes int res) {
3399		return getPreferences().getBoolean(name, getResources().getBoolean(res));
3400	}
3401
3402	public boolean confirmMessages() {
3403		return getBooleanPreference("confirm_messages", R.bool.confirm_messages);
3404	}
3405
3406	public boolean allowMessageCorrection() {
3407		return getBooleanPreference("allow_message_correction", R.bool.allow_message_correction);
3408	}
3409
3410	public boolean sendChatStates() {
3411		return getBooleanPreference("chat_states", R.bool.chat_states);
3412	}
3413
3414	private boolean respectAutojoin() {
3415		return getBooleanPreference("autojoin", R.bool.autojoin);
3416	}
3417
3418	public boolean indicateReceived() {
3419		return getBooleanPreference("indicate_received", R.bool.indicate_received);
3420	}
3421
3422	public boolean useTorToConnect() {
3423		return QuickConversationsService.isConversations() && getBooleanPreference("use_tor", R.bool.use_tor);
3424	}
3425
3426	public boolean showExtendedConnectionOptions() {
3427		return QuickConversationsService.isConversations() && getBooleanPreference("show_connection_options", R.bool.show_connection_options);
3428	}
3429
3430	public boolean broadcastLastActivity() {
3431		return getBooleanPreference(SettingsActivity.BROADCAST_LAST_ACTIVITY, R.bool.last_activity);
3432	}
3433
3434	public int unreadCount() {
3435		int count = 0;
3436		for (Conversation conversation : getConversations()) {
3437			count += conversation.unreadCount();
3438		}
3439		return count;
3440	}
3441
3442
3443	private <T> List<T> threadSafeList(Set<T> set) {
3444		synchronized (LISTENER_LOCK) {
3445			return set.size() == 0 ? Collections.emptyList() : new ArrayList<>(set);
3446		}
3447	}
3448
3449	public void showErrorToastInUi(int resId) {
3450		for (OnShowErrorToast listener : threadSafeList(this.mOnShowErrorToasts)) {
3451			listener.onShowErrorToast(resId);
3452		}
3453	}
3454
3455	public void updateConversationUi() {
3456		for (OnConversationUpdate listener : threadSafeList(this.mOnConversationUpdates)) {
3457			listener.onConversationUpdate();
3458		}
3459	}
3460
3461	public void updateAccountUi() {
3462		for (OnAccountUpdate listener : threadSafeList(this.mOnAccountUpdates)) {
3463			listener.onAccountUpdate();
3464		}
3465	}
3466
3467	public void updateRosterUi() {
3468		for (OnRosterUpdate listener : threadSafeList(this.mOnRosterUpdates)) {
3469			listener.onRosterUpdate();
3470		}
3471	}
3472
3473	public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
3474		if (mOnCaptchaRequested.size() > 0) {
3475			DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
3476			Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
3477					(int) (captcha.getHeight() * metrics.scaledDensity), false);
3478			for (OnCaptchaRequested listener : threadSafeList(this.mOnCaptchaRequested)) {
3479				listener.onCaptchaRequested(account, id, data, scaled);
3480			}
3481			return true;
3482		}
3483		return false;
3484	}
3485
3486	public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
3487		for (OnUpdateBlocklist listener : threadSafeList(this.mOnUpdateBlocklist)) {
3488			listener.OnUpdateBlocklist(status);
3489		}
3490	}
3491
3492	public void updateMucRosterUi() {
3493		for (OnMucRosterUpdate listener : threadSafeList(this.mOnMucRosterUpdate)) {
3494			listener.onMucRosterUpdate();
3495		}
3496	}
3497
3498	public void keyStatusUpdated(AxolotlService.FetchStatus report) {
3499		for (OnKeyStatusUpdated listener : threadSafeList(this.mOnKeyStatusUpdated)) {
3500			listener.onKeyStatusUpdated(report);
3501		}
3502	}
3503
3504	public Account findAccountByJid(final Jid accountJid) {
3505		for (Account account : this.accounts) {
3506			if (account.getJid().asBareJid().equals(accountJid.asBareJid())) {
3507				return account;
3508			}
3509		}
3510		return null;
3511	}
3512
3513	public Account findAccountByUuid(final String uuid) {
3514		for(Account account : this.accounts) {
3515			if (account.getUuid().equals(uuid)) {
3516				return account;
3517			}
3518		}
3519		return null;
3520	}
3521
3522	public Conversation findConversationByUuid(String uuid) {
3523		for (Conversation conversation : getConversations()) {
3524			if (conversation.getUuid().equals(uuid)) {
3525				return conversation;
3526			}
3527		}
3528		return null;
3529	}
3530
3531	public Conversation findUniqueConversationByJid(XmppUri xmppUri) {
3532		List<Conversation> findings = new ArrayList<>();
3533		for (Conversation c : getConversations()) {
3534			if (c.getAccount().isEnabled() && c.getJid().asBareJid().equals(xmppUri.getJid()) && ((c.getMode() == Conversational.MODE_MULTI) == xmppUri.isAction(XmppUri.ACTION_JOIN))) {
3535				findings.add(c);
3536			}
3537		}
3538		return findings.size() == 1 ? findings.get(0) : null;
3539	}
3540
3541	public boolean markRead(final Conversation conversation, boolean dismiss) {
3542		return markRead(conversation, null, dismiss).size() > 0;
3543	}
3544
3545	public void markRead(final Conversation conversation) {
3546		markRead(conversation, null, true);
3547	}
3548
3549	public List<Message> markRead(final Conversation conversation, String upToUuid, boolean dismiss) {
3550		if (dismiss) {
3551			mNotificationService.clear(conversation);
3552		}
3553		final List<Message> readMessages = conversation.markRead(upToUuid);
3554		if (readMessages.size() > 0) {
3555			Runnable runnable = () -> {
3556				for (Message message : readMessages) {
3557					databaseBackend.updateMessage(message, false);
3558				}
3559			};
3560			mDatabaseWriterExecutor.execute(runnable);
3561			updateUnreadCountBadge();
3562			return readMessages;
3563		} else {
3564			return readMessages;
3565		}
3566	}
3567
3568	public synchronized void updateUnreadCountBadge() {
3569		int count = unreadCount();
3570		if (unreadCount != count) {
3571			Log.d(Config.LOGTAG, "update unread count to " + count);
3572			if (count > 0) {
3573				ShortcutBadger.applyCount(getApplicationContext(), count);
3574			} else {
3575				ShortcutBadger.removeCount(getApplicationContext());
3576			}
3577			unreadCount = count;
3578		}
3579	}
3580
3581	public void sendReadMarker(final Conversation conversation, String upToUuid) {
3582		final boolean isPrivateAndNonAnonymousMuc = conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous();
3583		final List<Message> readMessages = this.markRead(conversation, upToUuid, true);
3584		if (readMessages.size() > 0) {
3585			updateConversationUi();
3586		}
3587		final Message markable = Conversation.getLatestMarkableMessage(readMessages, isPrivateAndNonAnonymousMuc);
3588		if (confirmMessages()
3589				&& markable != null
3590				&& (markable.trusted() || isPrivateAndNonAnonymousMuc)
3591				&& markable.getRemoteMsgId() != null) {
3592			Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
3593			Account account = conversation.getAccount();
3594			final Jid to = markable.getCounterpart();
3595			final boolean groupChat = conversation.getMode() == Conversation.MODE_MULTI;
3596			MessagePacket packet = mMessageGenerator.confirm(account, to, markable.getRemoteMsgId(), markable.getCounterpart(), groupChat);
3597			this.sendMessagePacket(conversation.getAccount(), packet);
3598		}
3599	}
3600
3601	public SecureRandom getRNG() {
3602		return this.mRandom;
3603	}
3604
3605	public MemorizingTrustManager getMemorizingTrustManager() {
3606		return this.mMemorizingTrustManager;
3607	}
3608
3609	public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
3610		this.mMemorizingTrustManager = trustManager;
3611	}
3612
3613	public void updateMemorizingTrustmanager() {
3614		final MemorizingTrustManager tm;
3615		final boolean dontTrustSystemCAs = getBooleanPreference("dont_trust_system_cas", R.bool.dont_trust_system_cas);
3616		if (dontTrustSystemCAs) {
3617			tm = new MemorizingTrustManager(getApplicationContext(), null);
3618		} else {
3619			tm = new MemorizingTrustManager(getApplicationContext());
3620		}
3621		setMemorizingTrustManager(tm);
3622	}
3623
3624	public LruCache<String, Bitmap> getBitmapCache() {
3625		return this.mBitmapCache;
3626	}
3627
3628	public Collection<String> getKnownHosts() {
3629		final Set<String> hosts = new HashSet<>();
3630		for (final Account account : getAccounts()) {
3631			hosts.add(account.getServer());
3632			for (final Contact contact : account.getRoster().getContacts()) {
3633				if (contact.showInRoster()) {
3634					final String server = contact.getServer();
3635					if (server != null) {
3636						hosts.add(server);
3637					}
3638				}
3639			}
3640		}
3641		if (Config.QUICKSY_DOMAIN != null) {
3642		    hosts.remove(Config.QUICKSY_DOMAIN); //we only want to show this when we type a e164 number
3643        }
3644		if (Config.DOMAIN_LOCK != null) {
3645			hosts.add(Config.DOMAIN_LOCK);
3646		}
3647		if (Config.MAGIC_CREATE_DOMAIN != null) {
3648			hosts.add(Config.MAGIC_CREATE_DOMAIN);
3649		}
3650		return hosts;
3651	}
3652
3653	public Collection<String> getKnownConferenceHosts() {
3654		final Set<String> mucServers = new HashSet<>();
3655		for (final Account account : accounts) {
3656			if (account.getXmppConnection() != null) {
3657				mucServers.addAll(account.getXmppConnection().getMucServers());
3658				for (Bookmark bookmark : account.getBookmarks()) {
3659					final Jid jid = bookmark.getJid();
3660					final String s = jid == null ? null : jid.getDomain();
3661					if (s != null) {
3662						mucServers.add(s);
3663					}
3664				}
3665			}
3666		}
3667		return mucServers;
3668	}
3669
3670	public void sendMessagePacket(Account account, MessagePacket packet) {
3671		XmppConnection connection = account.getXmppConnection();
3672		if (connection != null) {
3673			connection.sendMessagePacket(packet);
3674		}
3675	}
3676
3677	public void sendPresencePacket(Account account, PresencePacket packet) {
3678		XmppConnection connection = account.getXmppConnection();
3679		if (connection != null) {
3680			connection.sendPresencePacket(packet);
3681		}
3682	}
3683
3684	public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
3685		final XmppConnection connection = account.getXmppConnection();
3686		if (connection != null) {
3687			IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
3688			connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener, true);
3689		}
3690	}
3691
3692	public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
3693		final XmppConnection connection = account.getXmppConnection();
3694		if (connection != null) {
3695			connection.sendIqPacket(packet, callback);
3696		} else if (callback != null) {
3697		    callback.onIqPacketReceived(account,new IqPacket(IqPacket.TYPE.TIMEOUT));
3698        }
3699	}
3700
3701	public void sendPresence(final Account account) {
3702		sendPresence(account, checkListeners() && broadcastLastActivity());
3703	}
3704
3705	private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
3706		Presence.Status status;
3707		if (manuallyChangePresence()) {
3708			status = account.getPresenceStatus();
3709		} else {
3710			status = getTargetPresence();
3711		}
3712		PresencePacket packet = mPresenceGenerator.selfPresence(account, status);
3713		String message = account.getPresenceStatusMessage();
3714		if (message != null && !message.isEmpty()) {
3715			packet.addChild(new Element("status").setContent(message));
3716		}
3717		if (mLastActivity > 0 && includeIdleTimestamp) {
3718			long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
3719			packet.addChild("idle", Namespace.IDLE).setAttribute("since", AbstractGenerator.getTimestamp(since));
3720		}
3721		sendPresencePacket(account, packet);
3722	}
3723
3724	private void deactivateGracePeriod() {
3725		for (Account account : getAccounts()) {
3726			account.deactivateGracePeriod();
3727		}
3728	}
3729
3730	public void refreshAllPresences() {
3731		boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
3732		for (Account account : getAccounts()) {
3733			if (account.isEnabled()) {
3734				sendPresence(account, includeIdleTimestamp);
3735			}
3736		}
3737	}
3738
3739	private void refreshAllFcmTokens() {
3740		for (Account account : getAccounts()) {
3741			if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
3742				mPushManagementService.registerPushTokenOnServer(account);
3743			}
3744		}
3745	}
3746
3747	private void sendOfflinePresence(final Account account) {
3748		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending offline presence");
3749		sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
3750	}
3751
3752	public MessageGenerator getMessageGenerator() {
3753		return this.mMessageGenerator;
3754	}
3755
3756	public PresenceGenerator getPresenceGenerator() {
3757		return this.mPresenceGenerator;
3758	}
3759
3760	public IqGenerator getIqGenerator() {
3761		return this.mIqGenerator;
3762	}
3763
3764	public IqParser getIqParser() {
3765		return this.mIqParser;
3766	}
3767
3768	public JingleConnectionManager getJingleConnectionManager() {
3769		return this.mJingleConnectionManager;
3770	}
3771
3772	public MessageArchiveService getMessageArchiveService() {
3773		return this.mMessageArchiveService;
3774	}
3775
3776	public QuickConversationsService getQuickConversationsService() {
3777        return this.mQuickConversationsService;
3778    }
3779
3780	public List<Contact> findContacts(Jid jid, String accountJid) {
3781		ArrayList<Contact> contacts = new ArrayList<>();
3782		for (Account account : getAccounts()) {
3783			if ((account.isEnabled() || accountJid != null)
3784					&& (accountJid == null || accountJid.equals(account.getJid().asBareJid().toString()))) {
3785				Contact contact = account.getRoster().getContactFromContactList(jid);
3786				if (contact != null) {
3787					contacts.add(contact);
3788				}
3789			}
3790		}
3791		return contacts;
3792	}
3793
3794	public Conversation findFirstMuc(Jid jid) {
3795		for (Conversation conversation : getConversations()) {
3796			if (conversation.getAccount().isEnabled() && conversation.getJid().asBareJid().equals(jid.asBareJid()) && conversation.getMode() == Conversation.MODE_MULTI) {
3797				return conversation;
3798			}
3799		}
3800		return null;
3801	}
3802
3803	public NotificationService getNotificationService() {
3804		return this.mNotificationService;
3805	}
3806
3807	public HttpConnectionManager getHttpConnectionManager() {
3808		return this.mHttpConnectionManager;
3809	}
3810
3811	public void resendFailedMessages(final Message message) {
3812		final Collection<Message> messages = new ArrayList<>();
3813		Message current = message;
3814		while (current.getStatus() == Message.STATUS_SEND_FAILED) {
3815			messages.add(current);
3816			if (current.mergeable(current.next())) {
3817				current = current.next();
3818			} else {
3819				break;
3820			}
3821		}
3822		for (final Message msg : messages) {
3823			msg.setTime(System.currentTimeMillis());
3824			markMessage(msg, Message.STATUS_WAITING);
3825			this.resendMessage(msg, false);
3826		}
3827		if (message.getConversation() instanceof Conversation) {
3828			((Conversation) message.getConversation()).sort();
3829		}
3830		updateConversationUi();
3831	}
3832
3833	public void clearConversationHistory(final Conversation conversation) {
3834		final long clearDate;
3835		final String reference;
3836		if (conversation.countMessages() > 0) {
3837			Message latestMessage = conversation.getLatestMessage();
3838			clearDate = latestMessage.getTimeSent() + 1000;
3839			reference = latestMessage.getServerMsgId();
3840		} else {
3841			clearDate = System.currentTimeMillis();
3842			reference = null;
3843		}
3844		conversation.clearMessages();
3845		conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
3846		conversation.setLastClearHistory(clearDate, reference);
3847		Runnable runnable = () -> {
3848			databaseBackend.deleteMessagesInConversation(conversation);
3849			databaseBackend.updateConversation(conversation);
3850		};
3851		mDatabaseWriterExecutor.execute(runnable);
3852	}
3853
3854	public boolean sendBlockRequest(final Blockable blockable, boolean reportSpam) {
3855		if (blockable != null && blockable.getBlockedJid() != null) {
3856			final Jid jid = blockable.getBlockedJid();
3857			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), new OnIqPacketReceived() {
3858
3859				@Override
3860				public void onIqPacketReceived(final Account account, final IqPacket packet) {
3861					if (packet.getType() == IqPacket.TYPE.RESULT) {
3862						account.getBlocklist().add(jid);
3863						updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
3864					}
3865				}
3866			});
3867			if (removeBlockedConversations(blockable.getAccount(), jid)) {
3868				updateConversationUi();
3869				return true;
3870			} else {
3871				return false;
3872			}
3873		} else {
3874			return false;
3875		}
3876	}
3877
3878	public boolean removeBlockedConversations(final Account account, final Jid blockedJid) {
3879		boolean removed = false;
3880		synchronized (this.conversations) {
3881			boolean domainJid = blockedJid.getLocal() == null;
3882			for (Conversation conversation : this.conversations) {
3883				boolean jidMatches = (domainJid && blockedJid.getDomain().equals(conversation.getJid().getDomain()))
3884						|| blockedJid.equals(conversation.getJid().asBareJid());
3885				if (conversation.getAccount() == account
3886						&& conversation.getMode() == Conversation.MODE_SINGLE
3887						&& jidMatches) {
3888					this.conversations.remove(conversation);
3889					markRead(conversation);
3890					conversation.setStatus(Conversation.STATUS_ARCHIVED);
3891					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conversation " + conversation.getJid().asBareJid() + " because jid was blocked");
3892					updateConversation(conversation);
3893					removed = true;
3894				}
3895			}
3896		}
3897		return removed;
3898	}
3899
3900	public void sendUnblockRequest(final Blockable blockable) {
3901		if (blockable != null && blockable.getJid() != null) {
3902			final Jid jid = blockable.getBlockedJid();
3903			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
3904				@Override
3905				public void onIqPacketReceived(final Account account, final IqPacket packet) {
3906					if (packet.getType() == IqPacket.TYPE.RESULT) {
3907						account.getBlocklist().remove(jid);
3908						updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
3909					}
3910				}
3911			});
3912		}
3913	}
3914
3915	public void publishDisplayName(Account account) {
3916		String displayName = account.getDisplayName();
3917		final IqPacket request;
3918		if (TextUtils.isEmpty(displayName)) {
3919            request = mIqGenerator.deleteNode(Namespace.NICK);
3920		} else {
3921            request = mIqGenerator.publishNick(displayName);
3922        }
3923        mAvatarService.clear(account);
3924        sendIqPacket(account, request, (account1, packet) -> {
3925            if (packet.getType() == IqPacket.TYPE.ERROR) {
3926                Log.d(Config.LOGTAG, account1.getJid().asBareJid() + ": unable to modify nick name "+packet.toString());
3927            }
3928        });
3929	}
3930
3931	public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
3932		ServiceDiscoveryResult result = discoCache.get(key);
3933		if (result != null) {
3934			return result;
3935		} else {
3936			result = databaseBackend.findDiscoveryResult(key.first, key.second);
3937			if (result != null) {
3938				discoCache.put(key, result);
3939			}
3940			return result;
3941		}
3942	}
3943
3944	public void fetchCaps(Account account, final Jid jid, final Presence presence) {
3945		final Pair<String, String> key = new Pair<>(presence.getHash(), presence.getVer());
3946		ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
3947		if (disco != null) {
3948			presence.setServiceDiscoveryResult(disco);
3949		} else {
3950			if (!account.inProgressDiscoFetches.contains(key)) {
3951				account.inProgressDiscoFetches.add(key);
3952				IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3953				request.setTo(jid);
3954				final String node = presence.getNode();
3955				final String ver = presence.getVer();
3956				final Element query = request.query("http://jabber.org/protocol/disco#info");
3957				if (node != null && ver != null) {
3958					query.setAttribute("node",node+"#"+ver);
3959				}
3960				Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": making disco request for " + key.second + " to " + jid);
3961				sendIqPacket(account, request, (a, response) -> {
3962					if (response.getType() == IqPacket.TYPE.RESULT) {
3963						ServiceDiscoveryResult discoveryResult = new ServiceDiscoveryResult(response);
3964						if (presence.getVer().equals(discoveryResult.getVer())) {
3965							databaseBackend.insertDiscoveryResult(discoveryResult);
3966							injectServiceDiscoveryResult(a.getRoster(), presence.getHash(), presence.getVer(), discoveryResult);
3967						} else {
3968							Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + discoveryResult.getVer());
3969						}
3970					}
3971					a.inProgressDiscoFetches.remove(key);
3972				});
3973			}
3974		}
3975	}
3976
3977	private void injectServiceDiscoveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
3978		for (Contact contact : roster.getContacts()) {
3979			for (Presence presence : contact.getPresences().getPresences().values()) {
3980				if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
3981					presence.setServiceDiscoveryResult(disco);
3982				}
3983			}
3984		}
3985	}
3986
3987	public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
3988		final MessageArchiveService.Version version = MessageArchiveService.Version.get(account);
3989		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3990		request.addChild("prefs", version.namespace);
3991		sendIqPacket(account, request, (account1, packet) -> {
3992			Element prefs = packet.findChild("prefs", version.namespace);
3993			if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
3994				callback.onPreferencesFetched(prefs);
3995			} else {
3996				callback.onPreferencesFetchFailed();
3997			}
3998		});
3999	}
4000
4001	public PushManagementService getPushManagementService() {
4002		return mPushManagementService;
4003	}
4004
4005	public void changeStatus(Account account, PresenceTemplate template, String signature) {
4006		if (!template.getStatusMessage().isEmpty()) {
4007			databaseBackend.insertPresenceTemplate(template);
4008		}
4009		account.setPgpSignature(signature);
4010		account.setPresenceStatus(template.getStatus());
4011		account.setPresenceStatusMessage(template.getStatusMessage());
4012		databaseBackend.updateAccount(account);
4013		sendPresence(account);
4014	}
4015
4016	public List<PresenceTemplate> getPresenceTemplates(Account account) {
4017		List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
4018		for (PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
4019			if (!templates.contains(template)) {
4020				templates.add(0, template);
4021			}
4022		}
4023		return templates;
4024	}
4025
4026	public void saveConversationAsBookmark(Conversation conversation, String name) {
4027		Account account = conversation.getAccount();
4028		Bookmark bookmark = new Bookmark(account, conversation.getJid().asBareJid());
4029		if (!conversation.getJid().isBareJid()) {
4030			bookmark.setNick(conversation.getJid().getResource());
4031		}
4032		if (!TextUtils.isEmpty(name)) {
4033			bookmark.setBookmarkName(name);
4034		}
4035		bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
4036		account.getBookmarks().add(bookmark);
4037		pushBookmarks(account);
4038		bookmark.setConversation(conversation);
4039	}
4040
4041	public boolean verifyFingerprints(Contact contact, List<XmppUri.Fingerprint> fingerprints) {
4042		boolean performedVerification = false;
4043		final AxolotlService axolotlService = contact.getAccount().getAxolotlService();
4044		for (XmppUri.Fingerprint fp : fingerprints) {
4045			if (fp.type == XmppUri.FingerprintType.OMEMO) {
4046				String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4047				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4048				if (fingerprintStatus != null) {
4049					if (!fingerprintStatus.isVerified()) {
4050						performedVerification = true;
4051						axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4052					}
4053				} else {
4054					axolotlService.preVerifyFingerprint(contact, fingerprint);
4055				}
4056			}
4057		}
4058		return performedVerification;
4059	}
4060
4061	public boolean verifyFingerprints(Account account, List<XmppUri.Fingerprint> fingerprints) {
4062		final AxolotlService axolotlService = account.getAxolotlService();
4063		boolean verifiedSomething = false;
4064		for (XmppUri.Fingerprint fp : fingerprints) {
4065			if (fp.type == XmppUri.FingerprintType.OMEMO) {
4066				String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4067				Log.d(Config.LOGTAG, "trying to verify own fp=" + fingerprint);
4068				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4069				if (fingerprintStatus != null) {
4070					if (!fingerprintStatus.isVerified()) {
4071						axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4072						verifiedSomething = true;
4073					}
4074				} else {
4075					axolotlService.preVerifyFingerprint(account, fingerprint);
4076					verifiedSomething = true;
4077				}
4078			}
4079		}
4080		return verifiedSomething;
4081	}
4082
4083	public boolean blindTrustBeforeVerification() {
4084		return getBooleanPreference(SettingsActivity.BLIND_TRUST_BEFORE_VERIFICATION, R.bool.btbv);
4085	}
4086
4087	public ShortcutService getShortcutService() {
4088		return mShortcutService;
4089	}
4090
4091	public void pushMamPreferences(Account account, Element prefs) {
4092		IqPacket set = new IqPacket(IqPacket.TYPE.SET);
4093		set.addChild(prefs);
4094		sendIqPacket(account, set, null);
4095	}
4096
4097	public interface OnMamPreferencesFetched {
4098		void onPreferencesFetched(Element prefs);
4099
4100		void onPreferencesFetchFailed();
4101	}
4102
4103	public interface OnAccountCreated {
4104		void onAccountCreated(Account account);
4105
4106		void informUser(int r);
4107	}
4108
4109	public interface OnMoreMessagesLoaded {
4110		void onMoreMessagesLoaded(int count, Conversation conversation);
4111
4112		void informUser(int r);
4113	}
4114
4115	public interface OnAccountPasswordChanged {
4116		void onPasswordChangeSucceeded();
4117
4118		void onPasswordChangeFailed();
4119	}
4120
4121	public interface OnAffiliationChanged {
4122		void onAffiliationChangedSuccessful(Jid jid);
4123
4124		void onAffiliationChangeFailed(Jid jid, int resId);
4125	}
4126
4127	public interface OnRoleChanged {
4128		void onRoleChangedSuccessful(String nick);
4129
4130		void onRoleChangeFailed(String nick, int resid);
4131	}
4132
4133	public interface OnConversationUpdate {
4134		void onConversationUpdate();
4135	}
4136
4137	public interface OnAccountUpdate {
4138		void onAccountUpdate();
4139	}
4140
4141	public interface OnCaptchaRequested {
4142		void onCaptchaRequested(Account account, String id, Data data, Bitmap captcha);
4143	}
4144
4145	public interface OnRosterUpdate {
4146		void onRosterUpdate();
4147	}
4148
4149	public interface OnMucRosterUpdate {
4150		void onMucRosterUpdate();
4151	}
4152
4153	public interface OnConferenceConfigurationFetched {
4154		void onConferenceConfigurationFetched(Conversation conversation);
4155
4156		void onFetchFailed(Conversation conversation, Element error);
4157	}
4158
4159	public interface OnConferenceJoined {
4160		void onConferenceJoined(Conversation conversation);
4161	}
4162
4163	public interface OnConfigurationPushed {
4164		void onPushSucceeded();
4165
4166		void onPushFailed();
4167	}
4168
4169	public interface OnShowErrorToast {
4170		void onShowErrorToast(int resId);
4171	}
4172
4173	public class XmppConnectionBinder extends Binder {
4174		public XmppConnectionService getService() {
4175			return XmppConnectionService.this;
4176		}
4177	}
4178
4179	private class InternalEventReceiver extends BroadcastReceiver {
4180
4181        @Override
4182        public void onReceive(Context context, Intent intent) {
4183            onStartCommand(intent,0,0);
4184        }
4185    }
4186}