XmppConnectionService.java

   1package eu.siacs.conversations.services;
   2
   3import android.Manifest;
   4import android.annotation.SuppressLint;
   5import android.annotation.TargetApi;
   6import android.app.AlarmManager;
   7import android.app.NotificationManager;
   8import android.app.PendingIntent;
   9import android.app.Service;
  10import android.content.BroadcastReceiver;
  11import android.content.Context;
  12import android.content.Intent;
  13import android.content.IntentFilter;
  14import android.content.SharedPreferences;
  15import android.content.pm.PackageManager;
  16import android.database.ContentObserver;
  17import android.graphics.Bitmap;
  18import android.media.AudioManager;
  19import android.net.ConnectivityManager;
  20import android.net.NetworkInfo;
  21import android.net.Uri;
  22import android.os.Binder;
  23import android.os.Build;
  24import android.os.Bundle;
  25import android.os.Environment;
  26import android.os.IBinder;
  27import android.os.PowerManager;
  28import android.os.PowerManager.WakeLock;
  29import android.os.SystemClock;
  30import android.preference.PreferenceManager;
  31import android.provider.ContactsContract;
  32import android.security.KeyChain;
  33import android.support.annotation.BoolRes;
  34import android.support.annotation.IntegerRes;
  35import android.support.v4.app.RemoteInput;
  36import android.support.v4.content.ContextCompat;
  37import android.text.TextUtils;
  38import android.util.DisplayMetrics;
  39import android.util.Log;
  40import android.util.LruCache;
  41import android.util.Pair;
  42
  43import org.conscrypt.Conscrypt;
  44import org.openintents.openpgp.IOpenPgpService2;
  45import org.openintents.openpgp.util.OpenPgpApi;
  46import org.openintents.openpgp.util.OpenPgpServiceConnection;
  47
  48import java.net.URL;
  49import java.security.SecureRandom;
  50import java.security.Security;
  51import java.security.cert.CertificateException;
  52import java.security.cert.X509Certificate;
  53import java.util.ArrayList;
  54import java.util.Arrays;
  55import java.util.Collection;
  56import java.util.Collections;
  57import java.util.HashMap;
  58import java.util.HashSet;
  59import java.util.Hashtable;
  60import java.util.Iterator;
  61import java.util.List;
  62import java.util.ListIterator;
  63import java.util.Map;
  64import java.util.Set;
  65import java.util.WeakHashMap;
  66import java.util.concurrent.CopyOnWriteArrayList;
  67import java.util.concurrent.CountDownLatch;
  68import java.util.concurrent.atomic.AtomicBoolean;
  69import java.util.concurrent.atomic.AtomicLong;
  70
  71
  72import eu.siacs.conversations.Config;
  73import eu.siacs.conversations.R;
  74import eu.siacs.conversations.android.JabberIdContact;
  75import eu.siacs.conversations.crypto.OmemoSetting;
  76import eu.siacs.conversations.crypto.PgpDecryptionService;
  77import eu.siacs.conversations.crypto.PgpEngine;
  78import eu.siacs.conversations.crypto.axolotl.AxolotlService;
  79import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
  80import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
  81import eu.siacs.conversations.entities.Account;
  82import eu.siacs.conversations.entities.Blockable;
  83import eu.siacs.conversations.entities.Bookmark;
  84import eu.siacs.conversations.entities.Contact;
  85import eu.siacs.conversations.entities.Conversation;
  86import eu.siacs.conversations.entities.Conversational;
  87import eu.siacs.conversations.entities.DownloadableFile;
  88import eu.siacs.conversations.entities.Message;
  89import eu.siacs.conversations.entities.MucOptions;
  90import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
  91import eu.siacs.conversations.entities.Presence;
  92import eu.siacs.conversations.entities.PresenceTemplate;
  93import eu.siacs.conversations.entities.Roster;
  94import eu.siacs.conversations.entities.ServiceDiscoveryResult;
  95import eu.siacs.conversations.entities.Transferable;
  96import eu.siacs.conversations.entities.TransferablePlaceholder;
  97import eu.siacs.conversations.generator.AbstractGenerator;
  98import eu.siacs.conversations.generator.IqGenerator;
  99import eu.siacs.conversations.generator.MessageGenerator;
 100import eu.siacs.conversations.generator.PresenceGenerator;
 101import eu.siacs.conversations.http.HttpConnectionManager;
 102import eu.siacs.conversations.http.CustomURLStreamHandlerFactory;
 103import eu.siacs.conversations.parser.AbstractParser;
 104import eu.siacs.conversations.parser.IqParser;
 105import eu.siacs.conversations.parser.MessageParser;
 106import eu.siacs.conversations.parser.PresenceParser;
 107import eu.siacs.conversations.persistance.DatabaseBackend;
 108import eu.siacs.conversations.persistance.FileBackend;
 109import eu.siacs.conversations.ui.SettingsActivity;
 110import eu.siacs.conversations.ui.UiCallback;
 111import eu.siacs.conversations.ui.interfaces.OnAvatarPublication;
 112import eu.siacs.conversations.ui.interfaces.OnMediaLoaded;
 113import eu.siacs.conversations.ui.interfaces.OnSearchResultsAvailable;
 114import eu.siacs.conversations.utils.Compatibility;
 115import eu.siacs.conversations.utils.ConversationsFileObserver;
 116import eu.siacs.conversations.utils.CryptoHelper;
 117import eu.siacs.conversations.utils.ExceptionHelper;
 118import eu.siacs.conversations.utils.MimeUtils;
 119import eu.siacs.conversations.utils.PhoneHelper;
 120import eu.siacs.conversations.utils.QuickLoader;
 121import eu.siacs.conversations.utils.ReplacingSerialSingleThreadExecutor;
 122import eu.siacs.conversations.utils.ReplacingTaskManager;
 123import eu.siacs.conversations.utils.Resolver;
 124import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
 125import eu.siacs.conversations.utils.StringUtils;
 126import eu.siacs.conversations.utils.WakeLockHelper;
 127import eu.siacs.conversations.xml.Namespace;
 128import eu.siacs.conversations.utils.XmppUri;
 129import eu.siacs.conversations.xml.Element;
 130import eu.siacs.conversations.xmpp.OnBindListener;
 131import eu.siacs.conversations.xmpp.OnContactStatusChanged;
 132import eu.siacs.conversations.xmpp.OnIqPacketReceived;
 133import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
 134import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
 135import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 136import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
 137import eu.siacs.conversations.xmpp.OnStatusChanged;
 138import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
 139import eu.siacs.conversations.xmpp.Patches;
 140import eu.siacs.conversations.xmpp.XmppConnection;
 141import eu.siacs.conversations.xmpp.chatstate.ChatState;
 142import eu.siacs.conversations.xmpp.forms.Data;
 143import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 144import eu.siacs.conversations.xmpp.jingle.OnJinglePacketReceived;
 145import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
 146import eu.siacs.conversations.xmpp.mam.MamReference;
 147import eu.siacs.conversations.xmpp.pep.Avatar;
 148import eu.siacs.conversations.xmpp.pep.PublishOptions;
 149import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 150import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 151import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 152import me.leolin.shortcutbadger.ShortcutBadger;
 153import rocks.xmpp.addr.Jid;
 154
 155public class XmppConnectionService extends Service {
 156
 157    public static final String ACTION_REPLY_TO_CONVERSATION = "reply_to_conversations";
 158    public static final String ACTION_MARK_AS_READ = "mark_as_read";
 159    public static final String ACTION_SNOOZE = "snooze";
 160    public static final String ACTION_CLEAR_NOTIFICATION = "clear_notification";
 161    public static final String ACTION_DISMISS_ERROR_NOTIFICATIONS = "dismiss_error";
 162    public static final String ACTION_TRY_AGAIN = "try_again";
 163    public static final String ACTION_IDLE_PING = "idle_ping";
 164    public static final String ACTION_FCM_TOKEN_REFRESH = "fcm_token_refresh";
 165    public static final String ACTION_FCM_MESSAGE_RECEIVED = "fcm_message_received";
 166
 167    private static final String SETTING_LAST_ACTIVITY_TS = "last_activity_timestamp";
 168
 169    static {
 170        URL.setURLStreamHandlerFactory(new CustomURLStreamHandlerFactory());
 171    }
 172
 173    public final CountDownLatch restoredFromDatabaseLatch = new CountDownLatch(1);
 174    private final SerialSingleThreadExecutor mFileAddingExecutor = new SerialSingleThreadExecutor("FileAdding");
 175    private final SerialSingleThreadExecutor mVideoCompressionExecutor = new SerialSingleThreadExecutor("VideoCompression");
 176    private final SerialSingleThreadExecutor mDatabaseWriterExecutor = new SerialSingleThreadExecutor("DatabaseWriter");
 177    private final SerialSingleThreadExecutor mDatabaseReaderExecutor = new SerialSingleThreadExecutor("DatabaseReader");
 178    private final SerialSingleThreadExecutor mNotificationExecutor = new SerialSingleThreadExecutor("NotificationExecutor");
 179    private final ReplacingTaskManager mRosterSyncTaskManager = new ReplacingTaskManager();
 180    private final IBinder mBinder = new XmppConnectionBinder();
 181    private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 182    private final IqGenerator mIqGenerator = new IqGenerator(this);
 183    private final List<String> mInProgressAvatarFetches = new ArrayList<>();
 184    private final HashSet<Jid> mLowPingTimeoutMode = new HashSet<>();
 185    private final OnIqPacketReceived mDefaultIqHandler = (account, packet) -> {
 186        if (packet.getType() != IqPacket.TYPE.RESULT) {
 187            Element error = packet.findChild("error");
 188            String text = error != null ? error.findChildContent("text") : null;
 189            if (text != null) {
 190                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received iq error - " + text);
 191            }
 192        }
 193    };
 194    public DatabaseBackend databaseBackend;
 195    private ReplacingSerialSingleThreadExecutor mContactMergerExecutor = new ReplacingSerialSingleThreadExecutor("ContactMerger");
 196    private long mLastActivity = 0;
 197    private FileBackend fileBackend = new FileBackend(this);
 198    private MemorizingTrustManager mMemorizingTrustManager;
 199    private NotificationService mNotificationService = new NotificationService(this);
 200    private ShortcutService mShortcutService = new ShortcutService(this);
 201    private AtomicBoolean mInitialAddressbookSyncCompleted = new AtomicBoolean(false);
 202    private AtomicBoolean mForceForegroundService = new AtomicBoolean(false);
 203    private OnMessagePacketReceived mMessageParser = new MessageParser(this);
 204    private OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 205    private IqParser mIqParser = new IqParser(this);
 206    private MessageGenerator mMessageGenerator = new MessageGenerator(this);
 207    public OnContactStatusChanged onContactStatusChanged = (contact, online) -> {
 208        Conversation conversation = find(getConversations(), contact);
 209        if (conversation != null) {
 210            if (online) {
 211                if (contact.getPresences().size() == 1) {
 212                    sendUnsentMessages(conversation);
 213                }
 214            }
 215        }
 216    };
 217    private PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 218    private List<Account> accounts;
 219    private JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(
 220            this);
 221    private final OnJinglePacketReceived jingleListener = new OnJinglePacketReceived() {
 222
 223        @Override
 224        public void onJinglePacketReceived(Account account, JinglePacket packet) {
 225            mJingleConnectionManager.deliverPacket(account, packet);
 226        }
 227    };
 228    private HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(this);
 229    private AvatarService mAvatarService = new AvatarService(this);
 230    private MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 231    private PushManagementService mPushManagementService = new PushManagementService(this);
 232    private QuickConversationsService mQuickConversationsService = new QuickConversationsService(this);
 233    private final ConversationsFileObserver fileObserver = new ConversationsFileObserver(
 234            Environment.getExternalStorageDirectory().getAbsolutePath()
 235    ) {
 236        @Override
 237        public void onEvent(int event, String path) {
 238            Log.d(Config.LOGTAG,"event "+event+" path="+path);
 239            markFileDeleted(path);
 240        }
 241    };
 242    private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 243
 244        @Override
 245        public boolean onMessageAcknowledged(Account account, String uuid) {
 246            for (final Conversation conversation : getConversations()) {
 247                if (conversation.getAccount() == account) {
 248                    Message message = conversation.findUnsentMessageWithUuid(uuid);
 249                    if (message != null) {
 250                        message.setStatus(Message.STATUS_SEND);
 251                        message.setErrorMessage(null);
 252                        databaseBackend.updateMessage(message, false);
 253                        return true;
 254                    }
 255                }
 256            }
 257            return false;
 258        }
 259    };
 260
 261    private int unreadCount = -1;
 262
 263    //Ui callback listeners
 264    private final Set<OnConversationUpdate> mOnConversationUpdates = Collections.newSetFromMap(new WeakHashMap<OnConversationUpdate, Boolean>());
 265    private final Set<OnShowErrorToast> mOnShowErrorToasts = Collections.newSetFromMap(new WeakHashMap<OnShowErrorToast, Boolean>());
 266    private final Set<OnAccountUpdate> mOnAccountUpdates = Collections.newSetFromMap(new WeakHashMap<OnAccountUpdate, Boolean>());
 267    private final Set<OnCaptchaRequested> mOnCaptchaRequested = Collections.newSetFromMap(new WeakHashMap<OnCaptchaRequested, Boolean>());
 268    private final Set<OnRosterUpdate> mOnRosterUpdates = Collections.newSetFromMap(new WeakHashMap<OnRosterUpdate, Boolean>());
 269    private final Set<OnUpdateBlocklist> mOnUpdateBlocklist = Collections.newSetFromMap(new WeakHashMap<OnUpdateBlocklist, Boolean>());
 270    private final Set<OnMucRosterUpdate> mOnMucRosterUpdate = Collections.newSetFromMap(new WeakHashMap<OnMucRosterUpdate, Boolean>());
 271    private final Set<OnKeyStatusUpdated> mOnKeyStatusUpdated = Collections.newSetFromMap(new WeakHashMap<OnKeyStatusUpdated, Boolean>());
 272
 273    private final Object LISTENER_LOCK = new Object();
 274
 275
 276    private final OnBindListener mOnBindListener = new OnBindListener() {
 277
 278        @Override
 279        public void onBind(final Account account) {
 280            synchronized (mInProgressAvatarFetches) {
 281                for (Iterator<String> iterator = mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
 282                    final String KEY = iterator.next();
 283                    if (KEY.startsWith(account.getJid().asBareJid() + "_")) {
 284                        iterator.remove();
 285                    }
 286                }
 287            }
 288            boolean loggedInSuccessfully = account.setOption(Account.OPTION_LOGGED_IN_SUCCESSFULLY, true);
 289            boolean gainedFeature = account.setOption(Account.OPTION_HTTP_UPLOAD_AVAILABLE, account.getXmppConnection().getFeatures().httpUpload(0));
 290            if (loggedInSuccessfully || gainedFeature) {
 291                databaseBackend.updateAccount(account);
 292            }
 293
 294            if (loggedInSuccessfully) {
 295                if (!TextUtils.isEmpty(account.getDisplayName())) {
 296                    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": display name wasn't empty on first log in. publishing");
 297                    publishDisplayName(account);
 298                }
 299            }
 300
 301            account.getRoster().clearPresences();
 302            mJingleConnectionManager.cancelInTransmission();
 303            mQuickConversationsService.considerSyncBackground(false);
 304            fetchRosterFromServer(account);
 305            if (!account.getXmppConnection().getFeatures().bookmarksConversion()) {
 306                fetchBookmarks(account);
 307            }
 308            final boolean flexible = account.getXmppConnection().getFeatures().flexibleOfflineMessageRetrieval();
 309            final boolean catchup = getMessageArchiveService().inCatchup(account);
 310            if (flexible && catchup) {
 311                sendIqPacket(account, mIqGenerator.purgeOfflineMessages(), (acc, packet) -> {
 312                    if (packet.getType() == IqPacket.TYPE.RESULT) {
 313                        Log.d(Config.LOGTAG, acc.getJid().asBareJid() + ": successfully purged offline messages");
 314                    }
 315                });
 316            }
 317            sendPresence(account);
 318            if (mPushManagementService.available(account)) {
 319                mPushManagementService.registerPushTokenOnServer(account);
 320            }
 321            connectMultiModeConversations(account);
 322            syncDirtyContacts(account);
 323        }
 324    };
 325    private AtomicLong mLastExpiryRun = new AtomicLong(0);
 326    private SecureRandom mRandom;
 327    private LruCache<Pair<String, String>, ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 328    private OnStatusChanged statusListener = new OnStatusChanged() {
 329
 330        @Override
 331        public void onStatusChanged(final Account account) {
 332            XmppConnection connection = account.getXmppConnection();
 333            updateAccountUi();
 334
 335            if (account.getStatus() == Account.State.ONLINE || account.getStatus().isError()) {
 336                mQuickConversationsService.signalAccountStateChange();
 337            }
 338
 339            if (account.getStatus() == Account.State.ONLINE) {
 340                synchronized (mLowPingTimeoutMode) {
 341                    if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 342                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 343                    }
 344                }
 345                if (account.setShowErrorNotification(true)) {
 346                    databaseBackend.updateAccount(account);
 347                }
 348                mMessageArchiveService.executePendingQueries(account);
 349                if (connection != null && connection.getFeatures().csi()) {
 350                    if (checkListeners()) {
 351                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//inactive");
 352                        connection.sendInactive();
 353                    } else {
 354                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//active");
 355                        connection.sendActive();
 356                    }
 357                }
 358                List<Conversation> conversations = getConversations();
 359                for (Conversation conversation : conversations) {
 360                    if (conversation.getAccount() == account && !account.pendingConferenceJoins.contains(conversation)) {
 361                        sendUnsentMessages(conversation);
 362                    }
 363                }
 364                for (Conversation conversation : account.pendingConferenceLeaves) {
 365                    leaveMuc(conversation);
 366                }
 367                account.pendingConferenceLeaves.clear();
 368                for (Conversation conversation : account.pendingConferenceJoins) {
 369                    joinMuc(conversation);
 370                }
 371                account.pendingConferenceJoins.clear();
 372                scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 373            } else if (account.getStatus() == Account.State.OFFLINE || account.getStatus() == Account.State.DISABLED) {
 374                resetSendingToWaiting(account);
 375                if (account.isEnabled() && isInLowPingTimeoutMode(account)) {
 376                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": went into offline state during low ping mode. reconnecting now");
 377                    reconnectAccount(account, true, false);
 378                } else {
 379                    int timeToReconnect = mRandom.nextInt(10) + 2;
 380                    scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 381                }
 382            } else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 383                databaseBackend.updateAccount(account);
 384                reconnectAccount(account, true, false);
 385            } else if (account.getStatus() != Account.State.CONNECTING && account.getStatus() != Account.State.NO_INTERNET) {
 386                resetSendingToWaiting(account);
 387                if (connection != null && account.getStatus().isAttemptReconnect()) {
 388                    final int next = connection.getTimeToNextAttempt();
 389                    final boolean lowPingTimeoutMode = isInLowPingTimeoutMode(account);
 390                    if (next <= 0) {
 391                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. reconnecting now. lowPingTimeout=" + Boolean.toString(lowPingTimeoutMode));
 392                        reconnectAccount(account, true, false);
 393                    } else {
 394                        final int attempt = connection.getAttempt() + 1;
 395                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. try again in " + next + "s for the " + attempt + " time. lowPingTimeout=" + Boolean.toString(lowPingTimeoutMode));
 396                        scheduleWakeUpCall(next, account.getUuid().hashCode());
 397                    }
 398                }
 399            }
 400            getNotificationService().updateErrorNotification();
 401        }
 402    };
 403    private OpenPgpServiceConnection pgpServiceConnection;
 404    private PgpEngine mPgpEngine = null;
 405    private WakeLock wakeLock;
 406    private PowerManager pm;
 407    private LruCache<String, Bitmap> mBitmapCache;
 408    private BroadcastReceiver mInternalEventReceiver = new InternalEventReceiver();
 409    private BroadcastReceiver mInternalScreenEventReceiver = new InternalEventReceiver();
 410
 411    private static String generateFetchKey(Account account, final Avatar avatar) {
 412        return account.getJid().asBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 413    }
 414
 415    private boolean isInLowPingTimeoutMode(Account account) {
 416        synchronized (mLowPingTimeoutMode) {
 417            return mLowPingTimeoutMode.contains(account.getJid().asBareJid());
 418        }
 419    }
 420
 421    public void startForcingForegroundNotification() {
 422        mForceForegroundService.set(true);
 423        toggleForegroundService();
 424    }
 425
 426    public void stopForcingForegroundNotification() {
 427        mForceForegroundService.set(false);
 428        toggleForegroundService();
 429    }
 430
 431    public boolean areMessagesInitialized() {
 432        return this.restoredFromDatabaseLatch.getCount() == 0;
 433    }
 434
 435    public PgpEngine getPgpEngine() {
 436        if (!Config.supportOpenPgp()) {
 437            return null;
 438        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 439            if (this.mPgpEngine == null) {
 440                this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 441                        getApplicationContext(),
 442                        pgpServiceConnection.getService()), this);
 443            }
 444            return mPgpEngine;
 445        } else {
 446            return null;
 447        }
 448
 449    }
 450
 451    public OpenPgpApi getOpenPgpApi() {
 452        if (!Config.supportOpenPgp()) {
 453            return null;
 454        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 455            return new OpenPgpApi(this, pgpServiceConnection.getService());
 456        } else {
 457            return null;
 458        }
 459    }
 460
 461    public FileBackend getFileBackend() {
 462        return this.fileBackend;
 463    }
 464
 465    public AvatarService getAvatarService() {
 466        return this.mAvatarService;
 467    }
 468
 469    public void attachLocationToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 470        int encryption = conversation.getNextEncryption();
 471        if (encryption == Message.ENCRYPTION_PGP) {
 472            encryption = Message.ENCRYPTION_DECRYPTED;
 473        }
 474        Message message = new Message(conversation, uri.toString(), encryption);
 475        if (conversation.getNextCounterpart() != null) {
 476            message.setCounterpart(conversation.getNextCounterpart());
 477        }
 478        if (encryption == Message.ENCRYPTION_DECRYPTED) {
 479            getPgpEngine().encrypt(message, callback);
 480        } else {
 481            sendMessage(message);
 482            callback.success(message);
 483        }
 484    }
 485
 486    public void attachFileToConversation(final Conversation conversation, final Uri uri, final String type, final UiCallback<Message> callback) {
 487        final Message message;
 488        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 489            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 490        } else {
 491            message = new Message(conversation, "", conversation.getNextEncryption());
 492        }
 493        message.setCounterpart(conversation.getNextCounterpart());
 494        message.setType(Message.TYPE_FILE);
 495        final AttachFileToConversationRunnable runnable = new AttachFileToConversationRunnable(this, uri, type, message, callback);
 496        if (runnable.isVideoMessage()) {
 497            mVideoCompressionExecutor.execute(runnable);
 498        } else {
 499            mFileAddingExecutor.execute(runnable);
 500        }
 501    }
 502
 503    public void attachImageToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 504        final String mimeType = MimeUtils.guessMimeTypeFromUri(this, uri);
 505        final String compressPictures = getCompressPicturesPreference();
 506
 507        if ("never".equals(compressPictures)
 508                || ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))
 509                || (mimeType != null && mimeType.endsWith("/gif"))
 510                || getFileBackend().unusualBounds(uri)) {
 511            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": not compressing picture. sending as file");
 512            attachFileToConversation(conversation, uri, mimeType, callback);
 513            return;
 514        }
 515        final Message message;
 516        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 517            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 518        } else {
 519            message = new Message(conversation, "", conversation.getNextEncryption());
 520        }
 521        message.setCounterpart(conversation.getNextCounterpart());
 522        message.setType(Message.TYPE_IMAGE);
 523        mFileAddingExecutor.execute(() -> {
 524            try {
 525                getFileBackend().copyImageToPrivateStorage(message, uri);
 526                if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 527                    final PgpEngine pgpEngine = getPgpEngine();
 528                    if (pgpEngine != null) {
 529                        pgpEngine.encrypt(message, callback);
 530                    } else if (callback != null) {
 531                        callback.error(R.string.unable_to_connect_to_keychain, null);
 532                    }
 533                } else {
 534                    sendMessage(message);
 535                    callback.success(message);
 536                }
 537            } catch (final FileBackend.FileCopyException e) {
 538                callback.error(e.getResId(), message);
 539            }
 540        });
 541    }
 542
 543    public Conversation find(Bookmark bookmark) {
 544        return find(bookmark.getAccount(), bookmark.getJid());
 545    }
 546
 547    public Conversation find(final Account account, final Jid jid) {
 548        return find(getConversations(), account, jid);
 549    }
 550
 551    public boolean isMuc(final Account account, final Jid jid) {
 552        final Conversation c = find(account, jid);
 553        return c != null && c.getMode() == Conversational.MODE_MULTI;
 554    }
 555
 556    public void search(List<String> term, OnSearchResultsAvailable onSearchResultsAvailable) {
 557        MessageSearchTask.search(this, term, onSearchResultsAvailable);
 558    }
 559
 560    @Override
 561    public int onStartCommand(Intent intent, int flags, int startId) {
 562        final String action = intent == null ? null : intent.getAction();
 563        final boolean needsForegroundService = intent != null && intent.getBooleanExtra(EventReceiver.EXTRA_NEEDS_FOREGROUND_SERVICE, false);
 564        if (needsForegroundService) {
 565            Log.d(Config.LOGTAG,"toggle forced foreground service after receiving event");
 566            toggleForegroundService(true);
 567        }
 568        String pushedAccountHash = null;
 569        boolean interactive = false;
 570        if (action != null) {
 571            final String uuid = intent.getStringExtra("uuid");
 572            switch (action) {
 573                case ConnectivityManager.CONNECTIVITY_ACTION:
 574                    if (hasInternetConnection() && Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 575                        resetAllAttemptCounts(true, false);
 576                    }
 577                    break;
 578                case Intent.ACTION_SHUTDOWN:
 579                    logoutAndSave(true);
 580                    return START_NOT_STICKY;
 581                case ACTION_CLEAR_NOTIFICATION:
 582                    mNotificationExecutor.execute(() -> {
 583                        try {
 584                            final Conversation c = findConversationByUuid(uuid);
 585                            if (c != null) {
 586                                mNotificationService.clear(c);
 587                            } else {
 588                                mNotificationService.clear();
 589                            }
 590                            restoredFromDatabaseLatch.await();
 591
 592                        } catch (InterruptedException e) {
 593                            Log.d(Config.LOGTAG, "unable to process clear notification");
 594                        }
 595                    });
 596                    break;
 597                case ACTION_DISMISS_ERROR_NOTIFICATIONS:
 598                    dismissErrorNotifications();
 599                    break;
 600                case ACTION_TRY_AGAIN:
 601                    resetAllAttemptCounts(false, true);
 602                    interactive = true;
 603                    break;
 604                case ACTION_REPLY_TO_CONVERSATION:
 605                    Bundle remoteInput = RemoteInput.getResultsFromIntent(intent);
 606                    if (remoteInput == null) {
 607                        break;
 608                    }
 609                    final CharSequence body = remoteInput.getCharSequence("text_reply");
 610                    final boolean dismissNotification = intent.getBooleanExtra("dismiss_notification", false);
 611                    if (body == null || body.length() <= 0) {
 612                        break;
 613                    }
 614                    mNotificationExecutor.execute(() -> {
 615                        try {
 616                            restoredFromDatabaseLatch.await();
 617                            final Conversation c = findConversationByUuid(uuid);
 618                            if (c != null) {
 619                                directReply(c, body.toString(), dismissNotification);
 620                            }
 621                        } catch (InterruptedException e) {
 622                            Log.d(Config.LOGTAG, "unable to process direct reply");
 623                        }
 624                    });
 625                    break;
 626                case ACTION_MARK_AS_READ:
 627                    mNotificationExecutor.execute(() -> {
 628                        final Conversation c = findConversationByUuid(uuid);
 629                        if (c == null) {
 630                            Log.d(Config.LOGTAG, "received mark read intent for unknown conversation (" + uuid + ")");
 631                            return;
 632                        }
 633                        try {
 634                            restoredFromDatabaseLatch.await();
 635                            sendReadMarker(c, null);
 636                        } catch (InterruptedException e) {
 637                            Log.d(Config.LOGTAG, "unable to process notification read marker for conversation " + c.getName());
 638                        }
 639
 640                    });
 641                    break;
 642                case ACTION_SNOOZE:
 643                    mNotificationExecutor.execute(() -> {
 644                        final Conversation c = findConversationByUuid(uuid);
 645                        if (c == null) {
 646                            Log.d(Config.LOGTAG, "received snooze intent for unknown conversation (" + uuid + ")");
 647                            return;
 648                        }
 649                        c.setMutedTill(System.currentTimeMillis() + 30 * 60 * 1000);
 650                        mNotificationService.clear(c);
 651                        updateConversation(c);
 652                    });
 653                case AudioManager.RINGER_MODE_CHANGED_ACTION:
 654                case NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED:
 655                    if (dndOnSilentMode()) {
 656                        refreshAllPresences();
 657                    }
 658                    break;
 659                case Intent.ACTION_SCREEN_ON:
 660                    deactivateGracePeriod();
 661                case Intent.ACTION_SCREEN_OFF:
 662                    if (awayWhenScreenOff()) {
 663                        refreshAllPresences();
 664                    }
 665                    break;
 666                case ACTION_FCM_TOKEN_REFRESH:
 667                    refreshAllFcmTokens();
 668                    break;
 669                case ACTION_IDLE_PING:
 670                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 671                        scheduleNextIdlePing();
 672                    }
 673                    break;
 674                case ACTION_FCM_MESSAGE_RECEIVED:
 675                    pushedAccountHash = intent.getStringExtra("account");
 676                    Log.d(Config.LOGTAG, "push message arrived in service. account=" + pushedAccountHash);
 677                    break;
 678                case Intent.ACTION_SEND:
 679                    Uri uri = intent.getData();
 680                    if (uri != null) {
 681                        Log.d(Config.LOGTAG, "received uri permission for " + uri.toString());
 682                    }
 683                    return START_STICKY;
 684            }
 685        }
 686        synchronized (this) {
 687            WakeLockHelper.acquire(wakeLock);
 688            boolean pingNow = ConnectivityManager.CONNECTIVITY_ACTION.equals(action);
 689            HashSet<Account> pingCandidates = new HashSet<>();
 690            for (Account account : accounts) {
 691                pingNow |= processAccountState(account,
 692                        interactive,
 693                        "ui".equals(action),
 694                        CryptoHelper.getAccountFingerprint(account, PhoneHelper.getAndroidId(this)).equals(pushedAccountHash),
 695                        pingCandidates);
 696            }
 697            if (pingNow) {
 698                for (Account account : pingCandidates) {
 699                    final boolean lowTimeout = isInLowPingTimeoutMode(account);
 700                    account.getXmppConnection().sendPing();
 701                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + " send ping (action=" + action + ",lowTimeout=" + Boolean.toString(lowTimeout) + ")");
 702                    scheduleWakeUpCall(lowTimeout ? Config.LOW_PING_TIMEOUT : Config.PING_TIMEOUT, account.getUuid().hashCode());
 703                }
 704            }
 705            WakeLockHelper.release(wakeLock);
 706        }
 707        if (SystemClock.elapsedRealtime() - mLastExpiryRun.get() >= Config.EXPIRY_INTERVAL) {
 708            expireOldMessages();
 709        }
 710        return START_STICKY;
 711    }
 712
 713    private boolean processAccountState(Account account, boolean interactive, boolean isUiAction, boolean isAccountPushed, HashSet<Account> pingCandidates) {
 714        boolean pingNow = false;
 715        if (account.getStatus().isAttemptReconnect()) {
 716            if (!hasInternetConnection()) {
 717                account.setStatus(Account.State.NO_INTERNET);
 718                if (statusListener != null) {
 719                    statusListener.onStatusChanged(account);
 720                }
 721            } else {
 722                if (account.getStatus() == Account.State.NO_INTERNET) {
 723                    account.setStatus(Account.State.OFFLINE);
 724                    if (statusListener != null) {
 725                        statusListener.onStatusChanged(account);
 726                    }
 727                }
 728                if (account.getStatus() == Account.State.ONLINE) {
 729                    synchronized (mLowPingTimeoutMode) {
 730                        long lastReceived = account.getXmppConnection().getLastPacketReceived();
 731                        long lastSent = account.getXmppConnection().getLastPingSent();
 732                        long pingInterval = isUiAction ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 733                        long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 734                        int pingTimeout = mLowPingTimeoutMode.contains(account.getJid().asBareJid()) ? Config.LOW_PING_TIMEOUT * 1000 : Config.PING_TIMEOUT * 1000;
 735                        long pingTimeoutIn = (lastSent + pingTimeout) - SystemClock.elapsedRealtime();
 736                        if (lastSent > lastReceived) {
 737                            if (pingTimeoutIn < 0) {
 738                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ping timeout");
 739                                this.reconnectAccount(account, true, interactive);
 740                            } else {
 741                                int secs = (int) (pingTimeoutIn / 1000);
 742                                this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
 743                            }
 744                        } else {
 745                            pingCandidates.add(account);
 746                            if (isAccountPushed) {
 747                                pingNow = true;
 748                                if (mLowPingTimeoutMode.add(account.getJid().asBareJid())) {
 749                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": entering low ping timeout mode");
 750                                }
 751                            } else if (msToNextPing <= 0) {
 752                                pingNow = true;
 753                            } else {
 754                                this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 755                                if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 756                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 757                                }
 758                            }
 759                        }
 760                    }
 761                } else if (account.getStatus() == Account.State.OFFLINE) {
 762                    reconnectAccount(account, true, interactive);
 763                } else if (account.getStatus() == Account.State.CONNECTING) {
 764                    long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
 765                    long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
 766                    long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
 767                    long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
 768                    if (timeout < 0) {
 769                        Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting (secondsSinceLast=" + secondsSinceLastConnect + ")");
 770                        account.getXmppConnection().resetAttemptCount(false);
 771                        reconnectAccount(account, true, interactive);
 772                    } else if (discoTimeout < 0) {
 773                        account.getXmppConnection().sendDiscoTimeout();
 774                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 775                    } else {
 776                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 777                    }
 778                } else {
 779                    if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 780                        reconnectAccount(account, true, interactive);
 781                    }
 782                }
 783            }
 784        }
 785        return pingNow;
 786    }
 787
 788    public boolean isDataSaverDisabled() {
 789        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 790            ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
 791            return !connectivityManager.isActiveNetworkMetered()
 792                    || connectivityManager.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
 793        } else {
 794            return true;
 795        }
 796    }
 797
 798    private void directReply(Conversation conversation, String body, final boolean dismissAfterReply) {
 799        Message message = new Message(conversation, body, conversation.getNextEncryption());
 800        message.markUnread();
 801        if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 802            getPgpEngine().encrypt(message, new UiCallback<Message>() {
 803                @Override
 804                public void success(Message message) {
 805                    message.setEncryption(Message.ENCRYPTION_DECRYPTED);
 806                    sendMessage(message);
 807                    if (dismissAfterReply) {
 808                        markRead((Conversation) message.getConversation(), true);
 809                    } else {
 810                        mNotificationService.pushFromDirectReply(message);
 811                    }
 812                }
 813
 814                @Override
 815                public void error(int errorCode, Message object) {
 816
 817                }
 818
 819                @Override
 820                public void userInputRequried(PendingIntent pi, Message object) {
 821
 822                }
 823            });
 824        } else {
 825            sendMessage(message);
 826            if (dismissAfterReply) {
 827                markRead(conversation, true);
 828            } else {
 829                mNotificationService.pushFromDirectReply(message);
 830            }
 831        }
 832    }
 833
 834    private boolean dndOnSilentMode() {
 835        return getBooleanPreference(SettingsActivity.DND_ON_SILENT_MODE, R.bool.dnd_on_silent_mode);
 836    }
 837
 838    private boolean manuallyChangePresence() {
 839        return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
 840    }
 841
 842    private boolean treatVibrateAsSilent() {
 843        return getBooleanPreference(SettingsActivity.TREAT_VIBRATE_AS_SILENT, R.bool.treat_vibrate_as_silent);
 844    }
 845
 846    private boolean awayWhenScreenOff() {
 847        return getBooleanPreference(SettingsActivity.AWAY_WHEN_SCREEN_IS_OFF, R.bool.away_when_screen_off);
 848    }
 849
 850    private String getCompressPicturesPreference() {
 851        return getPreferences().getString("picture_compression", getResources().getString(R.string.picture_compression));
 852    }
 853
 854    private Presence.Status getTargetPresence() {
 855        if (dndOnSilentMode() && isPhoneSilenced()) {
 856            return Presence.Status.DND;
 857        } else if (awayWhenScreenOff() && !isInteractive()) {
 858            return Presence.Status.AWAY;
 859        } else {
 860            return Presence.Status.ONLINE;
 861        }
 862    }
 863
 864    @SuppressLint("NewApi")
 865    @SuppressWarnings("deprecation")
 866    public boolean isInteractive() {
 867        try {
 868            final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 869
 870            final boolean isScreenOn;
 871            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
 872                isScreenOn = pm.isScreenOn();
 873            } else {
 874                isScreenOn = pm.isInteractive();
 875            }
 876            return isScreenOn;
 877        } catch (RuntimeException e) {
 878            return false;
 879        }
 880    }
 881
 882    private boolean isPhoneSilenced() {
 883        final boolean notificationDnd;
 884        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 885            final NotificationManager notificationManager = getSystemService(NotificationManager.class);
 886            final int filter = notificationManager == null ? NotificationManager.INTERRUPTION_FILTER_UNKNOWN : notificationManager.getCurrentInterruptionFilter();
 887            notificationDnd = filter >= NotificationManager.INTERRUPTION_FILTER_PRIORITY;
 888        } else {
 889            notificationDnd = false;
 890        }
 891        final AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
 892        final int ringerMode = audioManager == null ? AudioManager.RINGER_MODE_NORMAL : audioManager.getRingerMode();
 893        try {
 894            if (treatVibrateAsSilent()) {
 895                return notificationDnd || ringerMode != AudioManager.RINGER_MODE_NORMAL;
 896            } else {
 897                return notificationDnd || ringerMode == AudioManager.RINGER_MODE_SILENT;
 898            }
 899        } catch (Throwable throwable) {
 900            Log.d(Config.LOGTAG, "platform bug in isPhoneSilenced (" + throwable.getMessage() + ")");
 901            return notificationDnd;
 902        }
 903    }
 904
 905    private void resetAllAttemptCounts(boolean reallyAll, boolean retryImmediately) {
 906        Log.d(Config.LOGTAG, "resetting all attempt counts");
 907        for (Account account : accounts) {
 908            if (account.hasErrorStatus() || reallyAll) {
 909                final XmppConnection connection = account.getXmppConnection();
 910                if (connection != null) {
 911                    connection.resetAttemptCount(retryImmediately);
 912                }
 913            }
 914            if (account.setShowErrorNotification(true)) {
 915                databaseBackend.updateAccount(account);
 916            }
 917        }
 918        mNotificationService.updateErrorNotification();
 919    }
 920
 921    private void dismissErrorNotifications() {
 922        for (final Account account : this.accounts) {
 923            if (account.hasErrorStatus()) {
 924                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": dismissing error notification");
 925                if (account.setShowErrorNotification(false)) {
 926                    databaseBackend.updateAccount(account);
 927                }
 928            }
 929        }
 930    }
 931
 932    private void expireOldMessages() {
 933        expireOldMessages(false);
 934    }
 935
 936    public void expireOldMessages(final boolean resetHasMessagesLeftOnServer) {
 937        mLastExpiryRun.set(SystemClock.elapsedRealtime());
 938        mDatabaseWriterExecutor.execute(() -> {
 939            long timestamp = getAutomaticMessageDeletionDate();
 940            if (timestamp > 0) {
 941                databaseBackend.expireOldMessages(timestamp);
 942                synchronized (XmppConnectionService.this.conversations) {
 943                    for (Conversation conversation : XmppConnectionService.this.conversations) {
 944                        conversation.expireOldMessages(timestamp);
 945                        if (resetHasMessagesLeftOnServer) {
 946                            conversation.messagesLoaded.set(true);
 947                            conversation.setHasMessagesLeftOnServer(true);
 948                        }
 949                    }
 950                }
 951                updateConversationUi();
 952            }
 953        });
 954    }
 955
 956    public boolean hasInternetConnection() {
 957        final ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
 958        try {
 959            final NetworkInfo activeNetwork = cm == null ? null : cm.getActiveNetworkInfo();
 960            return activeNetwork != null && (activeNetwork.isConnected() || activeNetwork.getType() == ConnectivityManager.TYPE_ETHERNET);
 961        } catch (RuntimeException e) {
 962            Log.d(Config.LOGTAG, "unable to check for internet connection", e);
 963            return true; //if internet connection can not be checked it is probably best to just try
 964        }
 965    }
 966
 967    @SuppressLint("TrulyRandom")
 968    @Override
 969    public void onCreate() {
 970        OmemoSetting.load(this);
 971        ExceptionHelper.init(getApplicationContext());
 972        try {
 973            Security.insertProviderAt(Conscrypt.newProvider(), 1);
 974        } catch (Throwable throwable) {
 975            Log.e(Config.LOGTAG,"unable to initialize security provider", throwable);
 976        }
 977        Resolver.init(this);
 978        this.mRandom = new SecureRandom();
 979        updateMemorizingTrustmanager();
 980        if (Compatibility.runsTwentySix()) {
 981            mNotificationService.initializeChannels();
 982        }
 983        final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
 984        final int cacheSize = maxMemory / 8;
 985        this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
 986            @Override
 987            protected int sizeOf(final String key, final Bitmap bitmap) {
 988                return bitmap.getByteCount() / 1024;
 989            }
 990        };
 991        if (mLastActivity == 0) {
 992            mLastActivity = getPreferences().getLong(SETTING_LAST_ACTIVITY_TS, System.currentTimeMillis());
 993        }
 994
 995        Log.d(Config.LOGTAG, "initializing database...");
 996        this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
 997        Log.d(Config.LOGTAG, "restoring accounts...");
 998        this.accounts = databaseBackend.getAccounts();
 999        final SharedPreferences.Editor editor = getPreferences().edit();
1000        if (this.accounts.size() == 0 && Arrays.asList("Sony", "Sony Ericsson").contains(Build.MANUFACTURER)) {
1001            editor.putBoolean(SettingsActivity.KEEP_FOREGROUND_SERVICE, true);
1002            Log.d(Config.LOGTAG, Build.MANUFACTURER + " is on blacklist. enabling foreground service");
1003        }
1004        editor.putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts()).apply();
1005        editor.apply();
1006
1007        restoreFromDatabase();
1008
1009        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || ContextCompat.checkSelfPermission(this, Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
1010            startContactObserver();
1011        }
1012        if (Compatibility.hasStoragePermission(this)) {
1013            Log.d(Config.LOGTAG, "starting file observer");
1014            new Thread(fileObserver::startWatching).start();
1015        }
1016        if (Config.supportOpenPgp()) {
1017            this.pgpServiceConnection = new OpenPgpServiceConnection(this, "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
1018                @Override
1019                public void onBound(IOpenPgpService2 service) {
1020                    for (Account account : accounts) {
1021                        final PgpDecryptionService pgp = account.getPgpDecryptionService();
1022                        if (pgp != null) {
1023                            pgp.continueDecryption(true);
1024                        }
1025                    }
1026                }
1027
1028                @Override
1029                public void onError(Exception e) {
1030                }
1031            });
1032            this.pgpServiceConnection.bindToService();
1033        }
1034
1035        this.pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
1036        this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Conversations:Service");
1037
1038        toggleForegroundService();
1039        updateUnreadCountBadge();
1040        toggleScreenEventReceiver();
1041        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1042            scheduleNextIdlePing();
1043            IntentFilter intentFilter = new IntentFilter();
1044            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1045                intentFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
1046            }
1047            intentFilter.addAction(NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED);
1048            registerReceiver(this.mInternalEventReceiver, intentFilter);
1049        }
1050    }
1051
1052    public void startContactObserver() {
1053        getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, new ContentObserver(null) {
1054            @Override
1055            public void onChange(boolean selfChange) {
1056                super.onChange(selfChange);
1057                if (restoredFromDatabaseLatch.getCount() == 0) {
1058                    loadPhoneContacts();
1059                }
1060            }
1061        });
1062    }
1063
1064    @Override
1065    public void onTrimMemory(int level) {
1066        super.onTrimMemory(level);
1067        if (level >= TRIM_MEMORY_COMPLETE) {
1068            Log.d(Config.LOGTAG, "clear cache due to low memory");
1069            getBitmapCache().evictAll();
1070        }
1071    }
1072
1073    @Override
1074    public void onDestroy() {
1075        try {
1076            unregisterReceiver(this.mInternalEventReceiver);
1077        } catch (IllegalArgumentException e) {
1078            //ignored
1079        }
1080        fileObserver.stopWatching();
1081        super.onDestroy();
1082    }
1083
1084    public void restartFileObserver() {
1085        Log.d(Config.LOGTAG, "restarting file observer");
1086        new Thread(fileObserver::restartWatching).start();
1087    }
1088
1089    public void toggleScreenEventReceiver() {
1090        if (awayWhenScreenOff() && !manuallyChangePresence()) {
1091            final IntentFilter filter = new IntentFilter();
1092            filter.addAction(Intent.ACTION_SCREEN_ON);
1093            filter.addAction(Intent.ACTION_SCREEN_OFF);
1094            registerReceiver(this.mInternalScreenEventReceiver, filter);
1095        } else {
1096            try {
1097                unregisterReceiver(this.mInternalScreenEventReceiver);
1098            } catch (IllegalArgumentException e) {
1099                //ignored
1100            }
1101        }
1102    }
1103
1104    public void toggleForegroundService() {
1105        toggleForegroundService(false);
1106    }
1107
1108    private void toggleForegroundService(boolean force) {
1109        final boolean status;
1110        if (force || mForceForegroundService.get() || (Compatibility.keepForegroundService(this) && hasEnabledAccounts())) {
1111            startForeground(NotificationService.FOREGROUND_NOTIFICATION_ID, this.mNotificationService.createForegroundNotification());
1112            status = true;
1113        } else {
1114            stopForeground(true);
1115            status = false;
1116        }
1117        mNotificationService.dismissForcedForegroundNotification(); //if the channel was changed the previous call might fail
1118        Log.d(Config.LOGTAG,"ForegroundService: "+(status?"on":"off"));
1119    }
1120
1121    public boolean foregroundNotificationNeedsUpdatingWhenErrorStateChanges() {
1122        return !mForceForegroundService.get() && Compatibility.keepForegroundService(this) && hasEnabledAccounts();
1123    }
1124
1125    @Override
1126    public void onTaskRemoved(final Intent rootIntent) {
1127        super.onTaskRemoved(rootIntent);
1128        if ((Compatibility.keepForegroundService(this) && hasEnabledAccounts()) || mForceForegroundService.get()) {
1129            Log.d(Config.LOGTAG, "ignoring onTaskRemoved because foreground service is activated");
1130        } else {
1131            this.logoutAndSave(false);
1132        }
1133    }
1134
1135    private void logoutAndSave(boolean stop) {
1136        int activeAccounts = 0;
1137        for (final Account account : accounts) {
1138            if (account.getStatus() != Account.State.DISABLED) {
1139                databaseBackend.writeRoster(account.getRoster());
1140                activeAccounts++;
1141            }
1142            if (account.getXmppConnection() != null) {
1143                new Thread(() -> disconnect(account, false)).start();
1144            }
1145        }
1146        if (stop || activeAccounts == 0) {
1147            Log.d(Config.LOGTAG, "good bye");
1148            stopSelf();
1149        }
1150    }
1151
1152    public void scheduleWakeUpCall(int seconds, int requestCode) {
1153        final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000;
1154        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1155        if (alarmManager == null) {
1156            return;
1157        }
1158        final Intent intent = new Intent(this, EventReceiver.class);
1159        intent.setAction("ping");
1160        try {
1161            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, requestCode, intent, 0);
1162            alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1163        } catch (RuntimeException e) {
1164            Log.e(Config.LOGTAG, "unable to schedule alarm for ping", e);
1165        }
1166    }
1167
1168    @TargetApi(Build.VERSION_CODES.M)
1169    private void scheduleNextIdlePing() {
1170        final long timeToWake = SystemClock.elapsedRealtime() + (Config.IDLE_PING_INTERVAL * 1000);
1171        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1172        if (alarmManager == null) {
1173            return;
1174        }
1175        final Intent intent = new Intent(this, EventReceiver.class);
1176        intent.setAction(ACTION_IDLE_PING);
1177        try {
1178            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
1179            alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1180        } catch (RuntimeException e) {
1181            Log.d(Config.LOGTAG, "unable to schedule alarm for idle ping", e);
1182        }
1183    }
1184
1185    public XmppConnection createConnection(final Account account) {
1186        final XmppConnection connection = new XmppConnection(account, this);
1187        connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1188        connection.setOnStatusChangedListener(this.statusListener);
1189        connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1190        connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1191        connection.setOnJinglePacketReceivedListener(this.jingleListener);
1192        connection.setOnBindListener(this.mOnBindListener);
1193        connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1194        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1195        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1196        AxolotlService axolotlService = account.getAxolotlService();
1197        if (axolotlService != null) {
1198            connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1199        }
1200        return connection;
1201    }
1202
1203    public void sendChatState(Conversation conversation) {
1204        if (sendChatStates()) {
1205            MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1206            sendMessagePacket(conversation.getAccount(), packet);
1207        }
1208    }
1209
1210    private void sendFileMessage(final Message message, final boolean delay) {
1211        Log.d(Config.LOGTAG, "send file message");
1212        final Account account = message.getConversation().getAccount();
1213        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1214                || message.getConversation().getMode() == Conversation.MODE_MULTI) {
1215            mHttpConnectionManager.createNewUploadConnection(message, delay);
1216        } else {
1217            mJingleConnectionManager.createNewConnection(message);
1218        }
1219    }
1220
1221    public void sendMessage(final Message message) {
1222        sendMessage(message, false, false);
1223    }
1224
1225    private void sendMessage(final Message message, final boolean resend, final boolean delay) {
1226        final Account account = message.getConversation().getAccount();
1227        if (account.setShowErrorNotification(true)) {
1228            databaseBackend.updateAccount(account);
1229            mNotificationService.updateErrorNotification();
1230        }
1231        final Conversation conversation = (Conversation) message.getConversation();
1232        account.deactivateGracePeriod();
1233
1234
1235        if (QuickConversationsService.isQuicksy() && conversation.getMode() == Conversation.MODE_SINGLE) {
1236            final Contact contact = conversation.getContact();
1237            if (!contact.showInRoster() && contact.getOption(Contact.Options.SYNCED_VIA_OTHER)) {
1238                Log.d(Config.LOGTAG,account.getJid().asBareJid()+": adding "+contact.getJid()+" on sending message");
1239                createContact(contact, true);
1240            }
1241        }
1242
1243        MessagePacket packet = null;
1244        final boolean addToConversation = (conversation.getMode() != Conversation.MODE_MULTI
1245                || !Patches.BAD_MUC_REFLECTION.contains(account.getServerIdentity()))
1246                && !message.edited();
1247        boolean saveInDb = addToConversation;
1248        message.setStatus(Message.STATUS_WAITING);
1249
1250        if (account.isOnlineAndConnected()) {
1251            switch (message.getEncryption()) {
1252                case Message.ENCRYPTION_NONE:
1253                    if (message.needsUploading()) {
1254                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1255                                || conversation.getMode() == Conversation.MODE_MULTI
1256                                || message.fixCounterpart()) {
1257                            this.sendFileMessage(message, delay);
1258                        } else {
1259                            break;
1260                        }
1261                    } else {
1262                        packet = mMessageGenerator.generateChat(message);
1263                    }
1264                    break;
1265                case Message.ENCRYPTION_PGP:
1266                case Message.ENCRYPTION_DECRYPTED:
1267                    if (message.needsUploading()) {
1268                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1269                                || conversation.getMode() == Conversation.MODE_MULTI
1270                                || message.fixCounterpart()) {
1271                            this.sendFileMessage(message, delay);
1272                        } else {
1273                            break;
1274                        }
1275                    } else {
1276                        packet = mMessageGenerator.generatePgpChat(message);
1277                    }
1278                    break;
1279                case Message.ENCRYPTION_AXOLOTL:
1280                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1281                    if (message.needsUploading()) {
1282                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1283                                || conversation.getMode() == Conversation.MODE_MULTI
1284                                || message.fixCounterpart()) {
1285                            this.sendFileMessage(message, delay);
1286                        } else {
1287                            break;
1288                        }
1289                    } else {
1290                        XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1291                        if (axolotlMessage == null) {
1292                            account.getAxolotlService().preparePayloadMessage(message, delay);
1293                        } else {
1294                            packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1295                        }
1296                    }
1297                    break;
1298
1299            }
1300            if (packet != null) {
1301                if (account.getXmppConnection().getFeatures().sm()
1302                        || (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1303                    message.setStatus(Message.STATUS_UNSEND);
1304                } else {
1305                    message.setStatus(Message.STATUS_SEND);
1306                }
1307            }
1308        } else {
1309            switch (message.getEncryption()) {
1310                case Message.ENCRYPTION_DECRYPTED:
1311                    if (!message.needsUploading()) {
1312                        String pgpBody = message.getEncryptedBody();
1313                        String decryptedBody = message.getBody();
1314                        message.setBody(pgpBody); //TODO might throw NPE
1315                        message.setEncryption(Message.ENCRYPTION_PGP);
1316                        if (message.edited()) {
1317                            message.setBody(decryptedBody);
1318                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1319                            databaseBackend.updateMessage(message, message.getEditedId());
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                databaseBackend.updateMessage(message, message.getEditedId());
1358            }
1359            updateConversationUi();
1360        }
1361        if (packet != null) {
1362            if (delay) {
1363                mMessageGenerator.addDelay(packet, message.getTimeSent());
1364            }
1365            if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
1366                if (this.sendChatStates()) {
1367                    packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1368                }
1369            }
1370            sendMessagePacket(account, packet);
1371        }
1372    }
1373
1374    private void sendUnsentMessages(final Conversation conversation) {
1375        conversation.findWaitingMessages(message -> resendMessage(message, true));
1376    }
1377
1378    public void resendMessage(final Message message, final boolean delay) {
1379        sendMessage(message, true, delay);
1380    }
1381
1382    public void fetchRosterFromServer(final Account account) {
1383        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1384        if (!"".equals(account.getRosterVersion())) {
1385            Log.d(Config.LOGTAG, account.getJid().asBareJid()
1386                    + ": fetching roster version " + account.getRosterVersion());
1387        } else {
1388            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching roster");
1389        }
1390        iqPacket.query(Namespace.ROSTER).setAttribute("ver", account.getRosterVersion());
1391        sendIqPacket(account, iqPacket, mIqParser);
1392    }
1393
1394    public void fetchBookmarks(final Account account) {
1395        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1396        final Element query = iqPacket.query("jabber:iq:private");
1397        query.addChild("storage", Namespace.BOOKMARKS);
1398        final OnIqPacketReceived callback = (a, response) -> {
1399            if (response.getType() == IqPacket.TYPE.RESULT) {
1400                final Element query1 = response.query();
1401                final Element storage = query1.findChild("storage", "storage:bookmarks");
1402                processBookmarks(a, storage);
1403            } else {
1404                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": could not fetch bookmarks");
1405            }
1406        };
1407        sendIqPacket(account, iqPacket, callback);
1408    }
1409
1410    public void processBookmarks(Account account, Element storage) {
1411        final HashMap<Jid, Bookmark> bookmarks = new HashMap<>();
1412        final boolean autojoin = respectAutojoin();
1413        if (storage != null) {
1414            for (final Element item : storage.getChildren()) {
1415                if (item.getName().equals("conference")) {
1416                    final Bookmark bookmark = Bookmark.parse(item, account);
1417                    Bookmark old = bookmarks.put(bookmark.getJid(), bookmark);
1418                    if (old != null && old.getBookmarkName() != null && bookmark.getBookmarkName() == null) {
1419                        bookmark.setBookmarkName(old.getBookmarkName());
1420                    }
1421                    Conversation conversation = find(bookmark);
1422                    if (conversation != null) {
1423                        bookmark.setConversation(conversation);
1424                    } else if (bookmark.autojoin() && bookmark.getJid() != null && autojoin) {
1425                        conversation = findOrCreateConversation(account, bookmark.getFullJid(), true, true, false);
1426                        bookmark.setConversation(conversation);
1427                    }
1428                }
1429            }
1430        }
1431        account.setBookmarks(new CopyOnWriteArrayList<>(bookmarks.values()));
1432    }
1433
1434    public void pushBookmarks(Account account) {
1435        if (account.getXmppConnection().getFeatures().bookmarksConversion()) {
1436            pushBookmarksPep(account);
1437        } else {
1438            pushBookmarksPrivateXml(account);
1439        }
1440    }
1441
1442    private void pushBookmarksPrivateXml(Account account) {
1443        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via private xml");
1444        IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1445        Element query = iqPacket.query("jabber:iq:private");
1446        Element storage = query.addChild("storage", "storage:bookmarks");
1447        for (Bookmark bookmark : account.getBookmarks()) {
1448            storage.addChild(bookmark);
1449        }
1450        sendIqPacket(account, iqPacket, mDefaultIqHandler);
1451    }
1452
1453    private void pushBookmarksPep(Account account) {
1454        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via pep");
1455        Element storage = new Element("storage", "storage:bookmarks");
1456        for (Bookmark bookmark : account.getBookmarks()) {
1457            storage.addChild(bookmark);
1458        }
1459        pushNodeAndEnforcePublishOptions(account,Namespace.BOOKMARKS,storage, PublishOptions.persistentWhitelistAccess());
1460
1461    }
1462
1463
1464    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final Bundle options) {
1465        pushNodeAndEnforcePublishOptions(account, node, element, options, true);
1466
1467    }
1468
1469	private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final Bundle options, final boolean retry) {
1470        IqPacket packet = mIqGenerator.publishElement(node, element, options);
1471        Log.d(Config.LOGTAG,packet.toString());
1472        sendIqPacket(account, packet, (a, response) -> {
1473            if (response.getType() == IqPacket.TYPE.RESULT) {
1474                return;
1475            }
1476            if (retry && PublishOptions.preconditionNotMet(response)) {
1477                pushNodeConfiguration(account, node, options, new OnConfigurationPushed() {
1478                    @Override
1479                    public void onPushSucceeded() {
1480                        pushNodeAndEnforcePublishOptions(account, node, element, options, false);
1481                    }
1482
1483                    @Override
1484                    public void onPushFailed() {
1485                        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to push node configuration ("+node+")");
1486                    }
1487                });
1488            } else {
1489                Log.d(Config.LOGTAG,account.getJid().asBareJid()+": error publishing bookmarks (retry="+Boolean.toString(retry)+") "+response);
1490            }
1491        });
1492    }
1493
1494	private void restoreFromDatabase() {
1495		synchronized (this.conversations) {
1496			final Map<String, Account> accountLookupTable = new Hashtable<>();
1497			for (Account account : this.accounts) {
1498				accountLookupTable.put(account.getUuid(), account);
1499			}
1500			Log.d(Config.LOGTAG, "restoring conversations...");
1501			final long startTimeConversationsRestore = SystemClock.elapsedRealtime();
1502			this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1503			for (Iterator<Conversation> iterator = conversations.listIterator(); iterator.hasNext(); ) {
1504				Conversation conversation = iterator.next();
1505				Account account = accountLookupTable.get(conversation.getAccountUuid());
1506				if (account != null) {
1507					conversation.setAccount(account);
1508				} else {
1509					Log.e(Config.LOGTAG, "unable to restore Conversations with " + conversation.getJid());
1510					iterator.remove();
1511				}
1512			}
1513			long diffConversationsRestore = SystemClock.elapsedRealtime() - startTimeConversationsRestore;
1514			Log.d(Config.LOGTAG, "finished restoring conversations in " + diffConversationsRestore + "ms");
1515			Runnable runnable = () -> {
1516				long deletionDate = getAutomaticMessageDeletionDate();
1517				mLastExpiryRun.set(SystemClock.elapsedRealtime());
1518				if (deletionDate > 0) {
1519					Log.d(Config.LOGTAG, "deleting messages that are older than " + AbstractGenerator.getTimestamp(deletionDate));
1520					databaseBackend.expireOldMessages(deletionDate);
1521				}
1522				Log.d(Config.LOGTAG, "restoring roster...");
1523				for (Account account : accounts) {
1524					databaseBackend.readRoster(account.getRoster());
1525					account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1526				}
1527				getBitmapCache().evictAll();
1528				loadPhoneContacts();
1529				Log.d(Config.LOGTAG, "restoring messages...");
1530				final long startMessageRestore = SystemClock.elapsedRealtime();
1531				final Conversation quickLoad = QuickLoader.get(this.conversations);
1532				if (quickLoad != null) {
1533					restoreMessages(quickLoad);
1534					updateConversationUi();
1535					final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1536					Log.d(Config.LOGTAG,"quickly restored "+quickLoad.getName()+" after " + diffMessageRestore + "ms");
1537				}
1538				for (Conversation conversation : this.conversations) {
1539					if (quickLoad != conversation) {
1540						restoreMessages(conversation);
1541					}
1542				}
1543				mNotificationService.finishBacklog(false);
1544				restoredFromDatabaseLatch.countDown();
1545				final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1546				Log.d(Config.LOGTAG, "finished restoring messages in " + diffMessageRestore + "ms");
1547				updateConversationUi();
1548			};
1549			mDatabaseReaderExecutor.execute(runnable); //will contain one write command (expiry) but that's fine
1550		}
1551	}
1552
1553	private void restoreMessages(Conversation conversation) {
1554		conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1555		checkDeletedFiles(conversation);
1556		conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
1557		conversation.findUnreadMessages(message -> mNotificationService.pushFromBacklog(message));
1558	}
1559
1560	public void loadPhoneContacts() {
1561        mContactMergerExecutor.execute(() -> {
1562            Map<Jid, JabberIdContact> contacts = JabberIdContact.load(this);
1563            Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1564            for (Account account : accounts) {
1565                List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts(JabberIdContact.class);
1566                for (JabberIdContact jidContact : contacts.values()) {
1567                    final Contact contact = account.getRoster().getContact(jidContact.getJid());
1568                    boolean needsCacheClean = contact.setPhoneContact(jidContact);
1569                    if (needsCacheClean) {
1570                        getAvatarService().clear(contact);
1571                    }
1572                    withSystemAccounts.remove(contact);
1573                }
1574                for (Contact contact : withSystemAccounts) {
1575                    boolean needsCacheClean = contact.unsetPhoneContact(JabberIdContact.class);
1576                    if (needsCacheClean) {
1577                        getAvatarService().clear(contact);
1578                    }
1579                }
1580            }
1581            Log.d(Config.LOGTAG, "finished merging phone contacts");
1582            mShortcutService.refresh(mInitialAddressbookSyncCompleted.compareAndSet(false, true));
1583            updateRosterUi();
1584            mQuickConversationsService.considerSync();
1585        });
1586	}
1587
1588
1589	public void syncRoster(final Account account) {
1590		mRosterSyncTaskManager.execute(account, () -> databaseBackend.writeRoster(account.getRoster()));
1591	}
1592
1593	public List<Conversation> getConversations() {
1594		return this.conversations;
1595	}
1596
1597	private void checkDeletedFiles(Conversation conversation) {
1598		conversation.findMessagesWithFiles(message -> {
1599			if (!getFileBackend().isFileAvailable(message)) {
1600				message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1601				final int s = message.getStatus();
1602				if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1603					markMessage(message, Message.STATUS_SEND_FAILED);
1604				}
1605			}
1606		});
1607	}
1608
1609	private void markFileDeleted(final String path) {
1610		Log.d(Config.LOGTAG, "deleted file " + path);
1611		for (Conversation conversation : getConversations()) {
1612			conversation.findMessagesWithFiles(message -> {
1613				DownloadableFile file = fileBackend.getFile(message);
1614				if (file.getAbsolutePath().equals(path)) {
1615					if (!file.exists()) {
1616						message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1617						final int s = message.getStatus();
1618						if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1619							markMessage(message, Message.STATUS_SEND_FAILED);
1620						} else {
1621							updateConversationUi();
1622						}
1623					} else {
1624						Log.d(Config.LOGTAG, "found matching message for file " + path + " but file still exists");
1625					}
1626				}
1627			});
1628		}
1629	}
1630
1631	public void populateWithOrderedConversations(final List<Conversation> list) {
1632		populateWithOrderedConversations(list, true);
1633	}
1634
1635	public void populateWithOrderedConversations(final List<Conversation> list, boolean includeNoFileUpload) {
1636		list.clear();
1637		if (includeNoFileUpload) {
1638			list.addAll(getConversations());
1639		} else {
1640			for (Conversation conversation : getConversations()) {
1641				if (conversation.getMode() == Conversation.MODE_SINGLE
1642						|| (conversation.getAccount().httpUploadAvailable() && conversation.getMucOptions().participating())) {
1643					list.add(conversation);
1644				}
1645			}
1646		}
1647		try {
1648			Collections.sort(list);
1649		} catch (IllegalArgumentException e) {
1650			//ignore
1651		}
1652	}
1653
1654	public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
1655		if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
1656			return;
1657		} else if (timestamp == 0) {
1658			return;
1659		}
1660		Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
1661		final Runnable runnable = () -> {
1662			final Account account = conversation.getAccount();
1663			List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
1664			if (messages.size() > 0) {
1665				conversation.addAll(0, messages);
1666				checkDeletedFiles(conversation);
1667				callback.onMoreMessagesLoaded(messages.size(), conversation);
1668			} else if (conversation.hasMessagesLeftOnServer()
1669					&& account.isOnlineAndConnected()
1670					&& conversation.getLastClearHistory().getTimestamp() == 0) {
1671				final boolean mamAvailable;
1672				if (conversation.getMode() == Conversation.MODE_SINGLE) {
1673					mamAvailable = account.getXmppConnection().getFeatures().mam() && !conversation.getContact().isBlocked();
1674				} else {
1675					mamAvailable = conversation.getMucOptions().mamSupport();
1676				}
1677				if (mamAvailable) {
1678					MessageArchiveService.Query query = getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
1679					if (query != null) {
1680						query.setCallback(callback);
1681						callback.informUser(R.string.fetching_history_from_server);
1682					} else {
1683						callback.informUser(R.string.not_fetching_history_retention_period);
1684					}
1685
1686				}
1687			}
1688		};
1689		mDatabaseReaderExecutor.execute(runnable);
1690	}
1691
1692	public List<Account> getAccounts() {
1693		return this.accounts;
1694	}
1695
1696
1697    /**
1698     * 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)
1699     */
1700	public List<Conversation> findAllConferencesWith(Contact contact) {
1701		ArrayList<Conversation> results = new ArrayList<>();
1702		for (final Conversation c : conversations) {
1703			if (c.getMode() == Conversation.MODE_MULTI && (c.getJid().asBareJid().equals(contact.getJid().asBareJid()) || c.getMucOptions().isContactInRoom(contact))) {
1704			    results.add(c);
1705			}
1706		}
1707		return results;
1708	}
1709
1710	public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
1711		for (final Conversation conversation : haystack) {
1712			if (conversation.getContact() == contact) {
1713				return conversation;
1714			}
1715		}
1716		return null;
1717	}
1718
1719	public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
1720		if (jid == null) {
1721			return null;
1722		}
1723		for (final Conversation conversation : haystack) {
1724			if ((account == null || conversation.getAccount() == account)
1725					&& (conversation.getJid().asBareJid().equals(jid.asBareJid()))) {
1726				return conversation;
1727			}
1728		}
1729		return null;
1730	}
1731
1732	public boolean isConversationsListEmpty(final Conversation ignore) {
1733		synchronized (this.conversations) {
1734			final int size = this.conversations.size();
1735			return size == 0 || size == 1 && this.conversations.get(0) == ignore;
1736		}
1737	}
1738
1739	public boolean isConversationStillOpen(final Conversation conversation) {
1740		synchronized (this.conversations) {
1741			for (Conversation current : this.conversations) {
1742				if (current == conversation) {
1743					return true;
1744				}
1745			}
1746		}
1747		return false;
1748	}
1749
1750	public Conversation findOrCreateConversation(Account account, Jid jid, boolean muc, final boolean async) {
1751		return this.findOrCreateConversation(account, jid, muc, false, async);
1752	}
1753
1754	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final boolean async) {
1755		return this.findOrCreateConversation(account, jid, muc, joinAfterCreate, null, async);
1756	}
1757
1758	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final MessageArchiveService.Query query, final boolean async) {
1759		synchronized (this.conversations) {
1760			Conversation conversation = find(account, jid);
1761			if (conversation != null) {
1762				return conversation;
1763			}
1764			conversation = databaseBackend.findConversation(account, jid);
1765			final boolean loadMessagesFromDb;
1766			if (conversation != null) {
1767				conversation.setStatus(Conversation.STATUS_AVAILABLE);
1768				conversation.setAccount(account);
1769				if (muc) {
1770					conversation.setMode(Conversation.MODE_MULTI);
1771					conversation.setContactJid(jid);
1772				} else {
1773					conversation.setMode(Conversation.MODE_SINGLE);
1774					conversation.setContactJid(jid.asBareJid());
1775				}
1776				databaseBackend.updateConversation(conversation);
1777				loadMessagesFromDb = conversation.messagesLoaded.compareAndSet(true, false);
1778			} else {
1779				String conversationName;
1780				Contact contact = account.getRoster().getContact(jid);
1781				if (contact != null) {
1782					conversationName = contact.getDisplayName();
1783				} else {
1784					conversationName = jid.getLocal();
1785				}
1786				if (muc) {
1787					conversation = new Conversation(conversationName, account, jid,
1788							Conversation.MODE_MULTI);
1789				} else {
1790					conversation = new Conversation(conversationName, account, jid.asBareJid(),
1791							Conversation.MODE_SINGLE);
1792				}
1793				this.databaseBackend.createConversation(conversation);
1794				loadMessagesFromDb = false;
1795			}
1796			final Conversation c = conversation;
1797			final Runnable runnable = () -> {
1798				if (loadMessagesFromDb) {
1799					c.addAll(0, databaseBackend.getMessages(c, Config.PAGE_SIZE));
1800					updateConversationUi();
1801					c.messagesLoaded.set(true);
1802				}
1803				if (account.getXmppConnection() != null
1804						&& !c.getContact().isBlocked()
1805						&& account.getXmppConnection().getFeatures().mam()
1806						&& !muc) {
1807					if (query == null) {
1808						mMessageArchiveService.query(c);
1809					} else {
1810						if (query.getConversation() == null) {
1811							mMessageArchiveService.query(c, query.getStart(), query.isCatchup());
1812						}
1813					}
1814				}
1815				checkDeletedFiles(c);
1816				if (joinAfterCreate) {
1817					joinMuc(c);
1818				}
1819			};
1820			if (async) {
1821				mDatabaseReaderExecutor.execute(runnable);
1822			} else {
1823				runnable.run();
1824			}
1825			this.conversations.add(conversation);
1826			updateConversationUi();
1827			return conversation;
1828		}
1829	}
1830
1831	public void archiveConversation(Conversation conversation) {
1832		getNotificationService().clear(conversation);
1833		conversation.setStatus(Conversation.STATUS_ARCHIVED);
1834		conversation.setNextMessage(null);
1835		synchronized (this.conversations) {
1836			getMessageArchiveService().kill(conversation);
1837			if (conversation.getMode() == Conversation.MODE_MULTI) {
1838				if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
1839					Bookmark bookmark = conversation.getBookmark();
1840					if (bookmark != null && bookmark.autojoin() && respectAutojoin()) {
1841						bookmark.setAutojoin(false);
1842						pushBookmarks(bookmark.getAccount());
1843					}
1844				}
1845				leaveMuc(conversation);
1846			} else {
1847				if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
1848				    stopPresenceUpdatesTo(conversation.getContact());
1849				}
1850			}
1851			updateConversation(conversation);
1852			this.conversations.remove(conversation);
1853			updateConversationUi();
1854		}
1855	}
1856
1857	public void stopPresenceUpdatesTo(Contact contact) {
1858        Log.d(Config.LOGTAG, "Canceling presence request from " + contact.getJid().toString());
1859        sendPresencePacket(contact.getAccount(), mPresenceGenerator.stopPresenceUpdatesTo(contact));
1860        contact.resetOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
1861    }
1862
1863	public void createAccount(final Account account) {
1864		account.initAccountServices(this);
1865		databaseBackend.createAccount(account);
1866		this.accounts.add(account);
1867		this.reconnectAccountInBackground(account);
1868		updateAccountUi();
1869		syncEnabledAccountSetting();
1870		toggleForegroundService();
1871	}
1872
1873	private void syncEnabledAccountSetting() {
1874		getPreferences().edit().putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts()).apply();
1875	}
1876
1877	public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
1878		new Thread(() -> {
1879			try {
1880				final X509Certificate[] chain = KeyChain.getCertificateChain(this, alias);
1881				final X509Certificate cert = chain != null && chain.length > 0 ? chain[0] : null;
1882				if (cert == null) {
1883					callback.informUser(R.string.unable_to_parse_certificate);
1884					return;
1885				}
1886				Pair<Jid, String> info = CryptoHelper.extractJidAndName(cert);
1887				if (info == null) {
1888					callback.informUser(R.string.certificate_does_not_contain_jid);
1889					return;
1890				}
1891				if (findAccountByJid(info.first) == null) {
1892					Account account = new Account(info.first, "");
1893					account.setPrivateKeyAlias(alias);
1894					account.setOption(Account.OPTION_DISABLED, true);
1895					account.setDisplayName(info.second);
1896					createAccount(account);
1897					callback.onAccountCreated(account);
1898					if (Config.X509_VERIFICATION) {
1899						try {
1900							getMemorizingTrustManager().getNonInteractive(account.getJid().getDomain()).checkClientTrusted(chain, "RSA");
1901						} catch (CertificateException e) {
1902							callback.informUser(R.string.certificate_chain_is_not_trusted);
1903						}
1904					}
1905				} else {
1906					callback.informUser(R.string.account_already_exists);
1907				}
1908			} catch (Exception e) {
1909				e.printStackTrace();
1910				callback.informUser(R.string.unable_to_parse_certificate);
1911			}
1912		}).start();
1913
1914	}
1915
1916	public void updateKeyInAccount(final Account account, final String alias) {
1917		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": update key in account " + alias);
1918		try {
1919			X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1920			Log.d(Config.LOGTAG, account.getJid().asBareJid() + " loaded certificate chain");
1921			Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1922			if (info == null) {
1923				showErrorToastInUi(R.string.certificate_does_not_contain_jid);
1924				return;
1925			}
1926			if (account.getJid().asBareJid().equals(info.first)) {
1927				account.setPrivateKeyAlias(alias);
1928				account.setDisplayName(info.second);
1929				databaseBackend.updateAccount(account);
1930				if (Config.X509_VERIFICATION) {
1931					try {
1932						getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
1933					} catch (CertificateException e) {
1934						showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
1935					}
1936					account.getAxolotlService().regenerateKeys(true);
1937				}
1938			} else {
1939				showErrorToastInUi(R.string.jid_does_not_match_certificate);
1940			}
1941		} catch (Exception e) {
1942			e.printStackTrace();
1943		}
1944	}
1945
1946	public boolean updateAccount(final Account account) {
1947		if (databaseBackend.updateAccount(account)) {
1948			account.setShowErrorNotification(true);
1949			this.statusListener.onStatusChanged(account);
1950			databaseBackend.updateAccount(account);
1951			reconnectAccountInBackground(account);
1952			updateAccountUi();
1953			getNotificationService().updateErrorNotification();
1954			toggleForegroundService();
1955			syncEnabledAccountSetting();
1956			return true;
1957		} else {
1958			return false;
1959		}
1960	}
1961
1962	public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
1963		final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
1964		sendIqPacket(account, iq, (a, packet) -> {
1965			if (packet.getType() == IqPacket.TYPE.RESULT) {
1966				a.setPassword(newPassword);
1967				a.setOption(Account.OPTION_MAGIC_CREATE, false);
1968				databaseBackend.updateAccount(a);
1969				callback.onPasswordChangeSucceeded();
1970			} else {
1971				callback.onPasswordChangeFailed();
1972			}
1973		});
1974	}
1975
1976	public void deleteAccount(final Account account) {
1977		synchronized (this.conversations) {
1978			for (final Conversation conversation : conversations) {
1979				if (conversation.getAccount() == account) {
1980					if (conversation.getMode() == Conversation.MODE_MULTI) {
1981						leaveMuc(conversation);
1982					}
1983					conversations.remove(conversation);
1984				}
1985			}
1986			if (account.getXmppConnection() != null) {
1987				new Thread(() -> disconnect(account, true)).start();
1988			}
1989			final Runnable runnable = () -> {
1990				if (!databaseBackend.deleteAccount(account)) {
1991					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to delete account");
1992				}
1993			};
1994			mDatabaseWriterExecutor.execute(runnable);
1995			this.accounts.remove(account);
1996			this.mRosterSyncTaskManager.clear(account);
1997			updateAccountUi();
1998			getNotificationService().updateErrorNotification();
1999			syncEnabledAccountSetting();
2000			toggleForegroundService();
2001		}
2002	}
2003
2004	public void setOnConversationListChangedListener(OnConversationUpdate listener) {
2005		final boolean remainingListeners;
2006		synchronized (LISTENER_LOCK) {
2007			remainingListeners = checkListeners();
2008			if (!this.mOnConversationUpdates.add(listener)) {
2009				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as ConversationListChangedListener");
2010			}
2011			this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2012		}
2013		if (remainingListeners) {
2014			switchToForeground();
2015		}
2016	}
2017
2018	public void removeOnConversationListChangedListener(OnConversationUpdate listener) {
2019		final boolean remainingListeners;
2020		synchronized (LISTENER_LOCK) {
2021			this.mOnConversationUpdates.remove(listener);
2022			this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2023			remainingListeners = checkListeners();
2024		}
2025		if (remainingListeners) {
2026			switchToBackground();
2027		}
2028	}
2029
2030	public void setOnShowErrorToastListener(OnShowErrorToast listener) {
2031		final boolean remainingListeners;
2032		synchronized (LISTENER_LOCK) {
2033			remainingListeners = checkListeners();
2034			if (!this.mOnShowErrorToasts.add(listener)) {
2035				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnShowErrorToastListener");
2036			}
2037		}
2038		if (remainingListeners) {
2039			switchToForeground();
2040		}
2041	}
2042
2043	public void removeOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
2044		final boolean remainingListeners;
2045		synchronized (LISTENER_LOCK) {
2046			this.mOnShowErrorToasts.remove(onShowErrorToast);
2047			remainingListeners = checkListeners();
2048		}
2049		if (remainingListeners) {
2050			switchToBackground();
2051		}
2052	}
2053
2054	public void setOnAccountListChangedListener(OnAccountUpdate listener) {
2055		final boolean remainingListeners;
2056		synchronized (LISTENER_LOCK) {
2057			remainingListeners = checkListeners();
2058			if (!this.mOnAccountUpdates.add(listener)) {
2059				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnAccountListChangedtListener");
2060			}
2061		}
2062		if (remainingListeners) {
2063			switchToForeground();
2064		}
2065	}
2066
2067	public void removeOnAccountListChangedListener(OnAccountUpdate listener) {
2068		final boolean remainingListeners;
2069		synchronized (LISTENER_LOCK) {
2070			this.mOnAccountUpdates.remove(listener);
2071			remainingListeners = checkListeners();
2072		}
2073		if (remainingListeners) {
2074			switchToBackground();
2075		}
2076	}
2077
2078	public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2079		final boolean remainingListeners;
2080		synchronized (LISTENER_LOCK) {
2081			remainingListeners = checkListeners();
2082			if (!this.mOnCaptchaRequested.add(listener)) {
2083				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnCaptchaRequestListener");
2084			}
2085		}
2086		if (remainingListeners) {
2087			switchToForeground();
2088		}
2089	}
2090
2091	public void removeOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2092		final boolean remainingListeners;
2093		synchronized (LISTENER_LOCK) {
2094			this.mOnCaptchaRequested.remove(listener);
2095			remainingListeners = checkListeners();
2096		}
2097		if (remainingListeners) {
2098			switchToBackground();
2099		}
2100	}
2101
2102	public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
2103		final boolean remainingListeners;
2104		synchronized (LISTENER_LOCK) {
2105			remainingListeners = checkListeners();
2106			if (!this.mOnRosterUpdates.add(listener)) {
2107				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnRosterUpdateListener");
2108			}
2109		}
2110		if (remainingListeners) {
2111			switchToForeground();
2112		}
2113	}
2114
2115	public void removeOnRosterUpdateListener(final OnRosterUpdate listener) {
2116		final boolean remainingListeners;
2117		synchronized (LISTENER_LOCK) {
2118			this.mOnRosterUpdates.remove(listener);
2119			remainingListeners = checkListeners();
2120		}
2121		if (remainingListeners) {
2122			switchToBackground();
2123		}
2124	}
2125
2126	public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2127		final boolean remainingListeners;
2128		synchronized (LISTENER_LOCK) {
2129			remainingListeners = checkListeners();
2130			if (!this.mOnUpdateBlocklist.add(listener)) {
2131				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnUpdateBlocklistListener");
2132			}
2133		}
2134		if (remainingListeners) {
2135			switchToForeground();
2136		}
2137	}
2138
2139	public void removeOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2140		final boolean remainingListeners;
2141		synchronized (LISTENER_LOCK) {
2142			this.mOnUpdateBlocklist.remove(listener);
2143			remainingListeners = checkListeners();
2144		}
2145		if (remainingListeners) {
2146			switchToBackground();
2147		}
2148	}
2149
2150	public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
2151		final boolean remainingListeners;
2152		synchronized (LISTENER_LOCK) {
2153			remainingListeners = checkListeners();
2154			if (!this.mOnKeyStatusUpdated.add(listener)) {
2155				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnKeyStatusUpdateListener");
2156			}
2157		}
2158		if (remainingListeners) {
2159			switchToForeground();
2160		}
2161	}
2162
2163	public void removeOnNewKeysAvailableListener(final OnKeyStatusUpdated listener) {
2164		final boolean remainingListeners;
2165		synchronized (LISTENER_LOCK) {
2166			this.mOnKeyStatusUpdated.remove(listener);
2167			remainingListeners = checkListeners();
2168		}
2169		if (remainingListeners) {
2170			switchToBackground();
2171		}
2172	}
2173
2174	public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
2175		final boolean remainingListeners;
2176		synchronized (LISTENER_LOCK) {
2177			remainingListeners = checkListeners();
2178			if (!this.mOnMucRosterUpdate.add(listener)) {
2179				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnMucRosterListener");
2180			}
2181		}
2182		if (remainingListeners) {
2183			switchToForeground();
2184		}
2185	}
2186
2187	public void removeOnMucRosterUpdateListener(final OnMucRosterUpdate listener) {
2188		final boolean remainingListeners;
2189		synchronized (LISTENER_LOCK) {
2190			this.mOnMucRosterUpdate.remove(listener);
2191			remainingListeners = checkListeners();
2192		}
2193		if (remainingListeners) {
2194			switchToBackground();
2195		}
2196	}
2197
2198	public boolean checkListeners() {
2199		return (this.mOnAccountUpdates.size() == 0
2200				&& this.mOnConversationUpdates.size() == 0
2201				&& this.mOnRosterUpdates.size() == 0
2202				&& this.mOnCaptchaRequested.size() == 0
2203				&& this.mOnMucRosterUpdate.size() == 0
2204				&& this.mOnUpdateBlocklist.size() == 0
2205				&& this.mOnShowErrorToasts.size() == 0
2206				&& this.mOnKeyStatusUpdated.size() == 0);
2207	}
2208
2209	private void switchToForeground() {
2210		final boolean broadcastLastActivity = broadcastLastActivity();
2211		for (Conversation conversation : getConversations()) {
2212			if (conversation.getMode() == Conversation.MODE_MULTI) {
2213				conversation.getMucOptions().resetChatState();
2214			} else {
2215				conversation.setIncomingChatState(Config.DEFAULT_CHATSTATE);
2216			}
2217		}
2218		for (Account account : getAccounts()) {
2219			if (account.getStatus() == Account.State.ONLINE) {
2220				account.deactivateGracePeriod();
2221				final XmppConnection connection = account.getXmppConnection();
2222				if (connection != null) {
2223					if (connection.getFeatures().csi()) {
2224						connection.sendActive();
2225					}
2226					if (broadcastLastActivity) {
2227						sendPresence(account, false); //send new presence but don't include idle because we are not
2228					}
2229				}
2230			}
2231		}
2232		Log.d(Config.LOGTAG, "app switched into foreground");
2233	}
2234
2235	private void switchToBackground() {
2236		final boolean broadcastLastActivity = broadcastLastActivity();
2237		if (broadcastLastActivity) {
2238			mLastActivity = System.currentTimeMillis();
2239			final SharedPreferences.Editor editor = getPreferences().edit();
2240			editor.putLong(SETTING_LAST_ACTIVITY_TS, mLastActivity);
2241			editor.apply();
2242		}
2243		for (Account account : getAccounts()) {
2244			if (account.getStatus() == Account.State.ONLINE) {
2245				XmppConnection connection = account.getXmppConnection();
2246				if (connection != null) {
2247					if (broadcastLastActivity) {
2248						sendPresence(account, true);
2249					}
2250					if (connection.getFeatures().csi()) {
2251						connection.sendInactive();
2252					}
2253				}
2254			}
2255		}
2256		this.mNotificationService.setIsInForeground(false);
2257		Log.d(Config.LOGTAG, "app switched into background");
2258	}
2259
2260	private void connectMultiModeConversations(Account account) {
2261		List<Conversation> conversations = getConversations();
2262		for (Conversation conversation : conversations) {
2263			if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
2264				joinMuc(conversation);
2265			}
2266		}
2267	}
2268
2269	public void joinMuc(Conversation conversation) {
2270		joinMuc(conversation, null, false);
2271	}
2272
2273	public void joinMuc(Conversation conversation, boolean followedInvite) {
2274		joinMuc(conversation, null, followedInvite);
2275	}
2276
2277	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2278		joinMuc(conversation, onConferenceJoined, false);
2279	}
2280
2281	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined, final boolean followedInvite) {
2282		Account account = conversation.getAccount();
2283		account.pendingConferenceJoins.remove(conversation);
2284		account.pendingConferenceLeaves.remove(conversation);
2285		if (account.getStatus() == Account.State.ONLINE) {
2286			sendPresencePacket(account, mPresenceGenerator.leave(conversation.getMucOptions()));
2287			conversation.resetMucOptions();
2288			if (onConferenceJoined != null) {
2289				conversation.getMucOptions().flagNoAutoPushConfiguration();
2290			}
2291			conversation.setHasMessagesLeftOnServer(false);
2292			fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
2293
2294				private void join(Conversation conversation) {
2295					Account account = conversation.getAccount();
2296					final MucOptions mucOptions = conversation.getMucOptions();
2297					final Jid joinJid = mucOptions.getSelf().getFullJid();
2298					Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": joining conversation " + joinJid.toString());
2299					PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous() || onConferenceJoined != null);
2300					packet.setTo(joinJid);
2301					Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
2302					if (conversation.getMucOptions().getPassword() != null) {
2303						x.addChild("password").setContent(mucOptions.getPassword());
2304					}
2305
2306					if (mucOptions.mamSupport()) {
2307						// Use MAM instead of the limited muc history to get history
2308						x.addChild("history").setAttribute("maxchars", "0");
2309					} else {
2310						// Fallback to muc history
2311						x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted().getTimestamp()));
2312					}
2313					sendPresencePacket(account, packet);
2314					if (onConferenceJoined != null) {
2315						onConferenceJoined.onConferenceJoined(conversation);
2316					}
2317					if (!joinJid.equals(conversation.getJid())) {
2318						conversation.setContactJid(joinJid);
2319						databaseBackend.updateConversation(conversation);
2320					}
2321
2322					if (mucOptions.mamSupport()) {
2323						getMessageArchiveService().catchupMUC(conversation);
2324					}
2325					if (mucOptions.isPrivateAndNonAnonymous()) {
2326						fetchConferenceMembers(conversation);
2327						if (followedInvite && conversation.getBookmark() == null) {
2328							saveConversationAsBookmark(conversation, null);
2329						}
2330					}
2331					sendUnsentMessages(conversation);
2332				}
2333
2334				@Override
2335				public void onConferenceConfigurationFetched(Conversation conversation) {
2336					join(conversation);
2337				}
2338
2339				@Override
2340				public void onFetchFailed(final Conversation conversation, Element error) {
2341					if (error != null && "remote-server-not-found".equals(error.getName())) {
2342						conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
2343						updateConversationUi();
2344					} else {
2345						join(conversation);
2346						fetchConferenceConfiguration(conversation);
2347					}
2348				}
2349			});
2350			updateConversationUi();
2351		} else {
2352			account.pendingConferenceJoins.add(conversation);
2353			conversation.resetMucOptions();
2354			conversation.setHasMessagesLeftOnServer(false);
2355			updateConversationUi();
2356		}
2357	}
2358
2359	private void fetchConferenceMembers(final Conversation conversation) {
2360		final Account account = conversation.getAccount();
2361		final AxolotlService axolotlService = account.getAxolotlService();
2362		final String[] affiliations = {"member", "admin", "owner"};
2363		OnIqPacketReceived callback = new OnIqPacketReceived() {
2364
2365			private int i = 0;
2366			private boolean success = true;
2367
2368			@Override
2369			public void onIqPacketReceived(Account account, IqPacket packet) {
2370				final boolean omemoEnabled = conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL;
2371				Element query = packet.query("http://jabber.org/protocol/muc#admin");
2372				if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2373					for (Element child : query.getChildren()) {
2374						if ("item".equals(child.getName())) {
2375							MucOptions.User user = AbstractParser.parseItem(conversation, child);
2376							if (!user.realJidMatchesAccount()) {
2377								boolean isNew = conversation.getMucOptions().updateUser(user);
2378								Contact contact = user.getContact();
2379								if (omemoEnabled
2380										&& isNew
2381										&& user.getRealJid() != null
2382										&& (contact == null || !contact.mutualPresenceSubscription())
2383										&& axolotlService.hasEmptyDeviceList(user.getRealJid())) {
2384									axolotlService.fetchDeviceIds(user.getRealJid());
2385								}
2386							}
2387						}
2388					}
2389				} else {
2390					success = false;
2391					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not request affiliation " + affiliations[i] + " in " + conversation.getJid().asBareJid());
2392				}
2393				++i;
2394				if (i >= affiliations.length) {
2395					List<Jid> members = conversation.getMucOptions().getMembers(true);
2396					if (success) {
2397						List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
2398						boolean changed = false;
2399						for (ListIterator<Jid> iterator = cryptoTargets.listIterator(); iterator.hasNext(); ) {
2400							Jid jid = iterator.next();
2401							if (!members.contains(jid) && !members.contains(Jid.ofDomain(jid.getDomain()))) {
2402								iterator.remove();
2403								Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
2404								changed = true;
2405							}
2406						}
2407						if (changed) {
2408							conversation.setAcceptedCryptoTargets(cryptoTargets);
2409							updateConversation(conversation);
2410						}
2411					}
2412					getAvatarService().clear(conversation);
2413					updateMucRosterUi();
2414					updateConversationUi();
2415				}
2416			}
2417		};
2418		for (String affiliation : affiliations) {
2419			sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
2420		}
2421		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching members for " + conversation.getName());
2422	}
2423
2424	public void providePasswordForMuc(Conversation conversation, String password) {
2425		if (conversation.getMode() == Conversation.MODE_MULTI) {
2426			conversation.getMucOptions().setPassword(password);
2427			if (conversation.getBookmark() != null) {
2428				if (respectAutojoin()) {
2429					conversation.getBookmark().setAutojoin(true);
2430				}
2431				pushBookmarks(conversation.getAccount());
2432			}
2433			updateConversation(conversation);
2434			joinMuc(conversation);
2435		}
2436	}
2437
2438	private boolean hasEnabledAccounts() {
2439		for (Account account : this.accounts) {
2440			if (account.isEnabled()) {
2441				return true;
2442			}
2443		}
2444		return false;
2445	}
2446
2447
2448	public void getAttachments(final Conversation conversation, int limit, final OnMediaLoaded onMediaLoaded) {
2449        getAttachments(conversation.getAccount(), conversation.getJid().asBareJid(), limit, onMediaLoaded);
2450    }
2451
2452    public void getAttachments(final Account account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
2453        getAttachments(account.getUuid(),jid.asBareJid(),limit, onMediaLoaded);
2454    }
2455
2456
2457	public void getAttachments(final String account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
2458        new Thread(() -> onMediaLoaded.onMediaLoaded(fileBackend.convertToAttachments(databaseBackend.getRelativeFilePaths(account, jid, limit)))).start();
2459    }
2460
2461	public void persistSelfNick(MucOptions.User self) {
2462		final Conversation conversation = self.getConversation();
2463		final boolean tookProposedNickFromBookmark = conversation.getMucOptions().isTookProposedNickFromBookmark();
2464		Jid full = self.getFullJid();
2465		if (!full.equals(conversation.getJid())) {
2466			Log.d(Config.LOGTAG, "nick changed. updating");
2467			conversation.setContactJid(full);
2468			databaseBackend.updateConversation(conversation);
2469		}
2470
2471		final Bookmark bookmark = conversation.getBookmark();
2472		final String bookmarkedNick = bookmark == null ? null : bookmark.getNick();
2473        if (bookmark != null && (tookProposedNickFromBookmark || TextUtils.isEmpty(bookmarkedNick)) && !full.getResource().equals(bookmarkedNick)) {
2474            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": persist nick '" + full.getResource() + "' into bookmark for " + conversation.getJid().asBareJid());
2475            bookmark.setNick(full.getResource());
2476            pushBookmarks(bookmark.getAccount());
2477        }
2478	}
2479
2480	public boolean renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
2481		final MucOptions options = conversation.getMucOptions();
2482		final Jid joinJid = options.createJoinJid(nick);
2483		if (joinJid == null) {
2484			return false;
2485		}
2486		if (options.online()) {
2487			Account account = conversation.getAccount();
2488			options.setOnRenameListener(new OnRenameListener() {
2489
2490				@Override
2491				public void onSuccess() {
2492					callback.success(conversation);
2493				}
2494
2495				@Override
2496				public void onFailure() {
2497					callback.error(R.string.nick_in_use, conversation);
2498				}
2499			});
2500
2501			PresencePacket packet = new PresencePacket();
2502			packet.setTo(joinJid);
2503			packet.setFrom(conversation.getAccount().getJid());
2504
2505			String sig = account.getPgpSignature();
2506			if (sig != null) {
2507				packet.addChild("status").setContent("online");
2508				packet.addChild("x", "jabber:x:signed").setContent(sig);
2509			}
2510			sendPresencePacket(account, packet);
2511		} else {
2512			conversation.setContactJid(joinJid);
2513			databaseBackend.updateConversation(conversation);
2514			if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2515				Bookmark bookmark = conversation.getBookmark();
2516				if (bookmark != null) {
2517					bookmark.setNick(nick);
2518					pushBookmarks(bookmark.getAccount());
2519				}
2520				joinMuc(conversation);
2521			}
2522		}
2523		return true;
2524	}
2525
2526	public void leaveMuc(Conversation conversation) {
2527		leaveMuc(conversation, false);
2528	}
2529
2530	private void leaveMuc(Conversation conversation, boolean now) {
2531		Account account = conversation.getAccount();
2532		account.pendingConferenceJoins.remove(conversation);
2533		account.pendingConferenceLeaves.remove(conversation);
2534		if (account.getStatus() == Account.State.ONLINE || now) {
2535			sendPresencePacket(conversation.getAccount(), mPresenceGenerator.leave(conversation.getMucOptions()));
2536			conversation.getMucOptions().setOffline();
2537			Bookmark bookmark = conversation.getBookmark();
2538			if (bookmark != null) {
2539				bookmark.setConversation(null);
2540			}
2541			Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": leaving muc " + conversation.getJid());
2542		} else {
2543			account.pendingConferenceLeaves.add(conversation);
2544		}
2545	}
2546
2547	public String findConferenceServer(final Account account) {
2548		String server;
2549		if (account.getXmppConnection() != null) {
2550			server = account.getXmppConnection().getMucServer();
2551			if (server != null) {
2552				return server;
2553			}
2554		}
2555		for (Account other : getAccounts()) {
2556			if (other != account && other.getXmppConnection() != null) {
2557				server = other.getXmppConnection().getMucServer();
2558				if (server != null) {
2559					return server;
2560				}
2561			}
2562		}
2563		return null;
2564	}
2565
2566	public boolean createAdhocConference(final Account account,
2567	                                     final String name,
2568	                                     final Iterable<Jid> jids,
2569	                                     final UiCallback<Conversation> callback) {
2570		Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": creating adhoc conference with " + jids.toString());
2571		if (account.getStatus() == Account.State.ONLINE) {
2572			try {
2573				String server = findConferenceServer(account);
2574				if (server == null) {
2575					if (callback != null) {
2576						callback.error(R.string.no_conference_server_found, null);
2577					}
2578					return false;
2579				}
2580				final Jid jid = Jid.of(CryptoHelper.pronounceable(getRNG()), server, null);
2581				final Conversation conversation = findOrCreateConversation(account, jid, true, false, true);
2582				joinMuc(conversation, new OnConferenceJoined() {
2583					@Override
2584					public void onConferenceJoined(final Conversation conversation) {
2585						final Bundle configuration = IqGenerator.defaultRoomConfiguration();
2586						if (!TextUtils.isEmpty(name)) {
2587							configuration.putString("muc#roomconfig_roomname", name);
2588						}
2589						pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
2590							@Override
2591							public void onPushSucceeded() {
2592								for (Jid invite : jids) {
2593									invite(conversation, invite);
2594								}
2595								if (account.countPresences() > 1) {
2596									directInvite(conversation, account.getJid().asBareJid());
2597								}
2598								saveConversationAsBookmark(conversation, name);
2599								if (callback != null) {
2600									callback.success(conversation);
2601								}
2602							}
2603
2604							@Override
2605							public void onPushFailed() {
2606								archiveConversation(conversation);
2607								if (callback != null) {
2608									callback.error(R.string.conference_creation_failed, conversation);
2609								}
2610							}
2611						});
2612					}
2613				});
2614				return true;
2615			} catch (IllegalArgumentException e) {
2616				if (callback != null) {
2617					callback.error(R.string.conference_creation_failed, null);
2618				}
2619				return false;
2620			}
2621		} else {
2622			if (callback != null) {
2623				callback.error(R.string.not_connected_try_again, null);
2624			}
2625			return false;
2626		}
2627	}
2628
2629	public void fetchConferenceConfiguration(final Conversation conversation) {
2630		fetchConferenceConfiguration(conversation, null);
2631	}
2632
2633	public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
2634		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2635		request.setTo(conversation.getJid().asBareJid());
2636		request.query("http://jabber.org/protocol/disco#info");
2637		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2638			@Override
2639			public void onIqPacketReceived(Account account, IqPacket packet) {
2640				if (packet.getType() == IqPacket.TYPE.RESULT) {
2641
2642					final MucOptions mucOptions = conversation.getMucOptions();
2643					final Bookmark bookmark = conversation.getBookmark();
2644					final boolean sameBefore = StringUtils.equals(bookmark == null ? null : bookmark.getBookmarkName(), mucOptions.getName());
2645
2646					if (mucOptions.updateConfiguration(new ServiceDiscoveryResult(packet))) {
2647						Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": muc configuration changed for " + conversation.getJid().asBareJid());
2648						updateConversation(conversation);
2649					}
2650
2651					if (bookmark != null && (sameBefore || bookmark.getBookmarkName() == null)) {
2652						if (bookmark.setBookmarkName(StringUtils.nullOnEmpty(mucOptions.getName()))) {
2653							pushBookmarks(account);
2654						}
2655					}
2656
2657
2658					if (callback != null) {
2659						callback.onConferenceConfigurationFetched(conversation);
2660					}
2661
2662
2663
2664					updateConversationUi();
2665				} else if (packet.getType() == IqPacket.TYPE.ERROR) {
2666					if (callback != null) {
2667						callback.onFetchFailed(conversation, packet.getError());
2668					}
2669				}
2670			}
2671		});
2672	}
2673
2674	public void pushNodeConfiguration(Account account, final String node, final Bundle options, final OnConfigurationPushed callback) {
2675		pushNodeConfiguration(account, account.getJid().asBareJid(), node, options, callback);
2676	}
2677
2678	public void pushNodeConfiguration(Account account, final Jid jid, final String node, final Bundle options, final OnConfigurationPushed callback) {
2679        Log.d(Config.LOGTAG,"pushing node configuration");
2680		sendIqPacket(account, mIqGenerator.requestPubsubConfiguration(jid, node), new OnIqPacketReceived() {
2681			@Override
2682			public void onIqPacketReceived(Account account, IqPacket packet) {
2683				if (packet.getType() == IqPacket.TYPE.RESULT) {
2684					Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub#owner");
2685					Element configuration = pubsub == null ? null : pubsub.findChild("configure");
2686					Element x = configuration == null ? null : configuration.findChild("x", Namespace.DATA);
2687					if (x != null) {
2688						Data data = Data.parse(x);
2689						data.submit(options);
2690						sendIqPacket(account, mIqGenerator.publishPubsubConfiguration(jid, node, data), new OnIqPacketReceived() {
2691							@Override
2692							public void onIqPacketReceived(Account account, IqPacket packet) {
2693								if (packet.getType() == IqPacket.TYPE.RESULT && callback != null) {
2694									Log.d(Config.LOGTAG,account.getJid().asBareJid()+": successfully changed node configuration for node "+node);
2695									callback.onPushSucceeded();
2696								} else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
2697									callback.onPushFailed();
2698								}
2699							}
2700						});
2701					} else if (callback != null) {
2702						callback.onPushFailed();
2703					}
2704				} else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
2705					callback.onPushFailed();
2706				}
2707			}
2708		});
2709	}
2710
2711	public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConfigurationPushed callback) {
2712		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2713		request.setTo(conversation.getJid().asBareJid());
2714		request.query("http://jabber.org/protocol/muc#owner");
2715		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2716			@Override
2717			public void onIqPacketReceived(Account account, IqPacket packet) {
2718				if (packet.getType() == IqPacket.TYPE.RESULT) {
2719					Data data = Data.parse(packet.query().findChild("x", Namespace.DATA));
2720					data.submit(options);
2721					IqPacket set = new IqPacket(IqPacket.TYPE.SET);
2722					set.setTo(conversation.getJid().asBareJid());
2723					set.query("http://jabber.org/protocol/muc#owner").addChild(data);
2724					sendIqPacket(account, set, new OnIqPacketReceived() {
2725						@Override
2726						public void onIqPacketReceived(Account account, IqPacket packet) {
2727							if (callback != null) {
2728								if (packet.getType() == IqPacket.TYPE.RESULT) {
2729									callback.onPushSucceeded();
2730								} else {
2731									callback.onPushFailed();
2732								}
2733							}
2734						}
2735					});
2736				} else {
2737					if (callback != null) {
2738						callback.onPushFailed();
2739					}
2740				}
2741			}
2742		});
2743	}
2744
2745	public void pushSubjectToConference(final Conversation conference, final String subject) {
2746		MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, StringUtils.nullOnEmpty(subject));
2747		this.sendMessagePacket(conference.getAccount(), packet);
2748	}
2749
2750	public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
2751		final Jid jid = user.asBareJid();
2752		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
2753		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2754			@Override
2755			public void onIqPacketReceived(Account account, IqPacket packet) {
2756				if (packet.getType() == IqPacket.TYPE.RESULT) {
2757					conference.getMucOptions().changeAffiliation(jid, affiliation);
2758					getAvatarService().clear(conference);
2759					callback.onAffiliationChangedSuccessful(jid);
2760				} else {
2761					callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
2762				}
2763			}
2764		});
2765	}
2766
2767	public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
2768		List<Jid> jids = new ArrayList<>();
2769		for (MucOptions.User user : conference.getMucOptions().getUsers()) {
2770			if (user.getAffiliation() == before && user.getRealJid() != null) {
2771				jids.add(user.getRealJid());
2772			}
2773		}
2774		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
2775		sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
2776	}
2777
2778	public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role, final OnRoleChanged callback) {
2779		IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
2780		Log.d(Config.LOGTAG, request.toString());
2781		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2782			@Override
2783			public void onIqPacketReceived(Account account, IqPacket packet) {
2784				Log.d(Config.LOGTAG, packet.toString());
2785				if (packet.getType() == IqPacket.TYPE.RESULT) {
2786					callback.onRoleChangedSuccessful(nick);
2787				} else {
2788					callback.onRoleChangeFailed(nick, R.string.could_not_change_role);
2789				}
2790			}
2791		});
2792	}
2793
2794	private void disconnect(Account account, boolean force) {
2795		if ((account.getStatus() == Account.State.ONLINE)
2796				|| (account.getStatus() == Account.State.DISABLED)) {
2797			final XmppConnection connection = account.getXmppConnection();
2798			if (!force) {
2799				List<Conversation> conversations = getConversations();
2800				for (Conversation conversation : conversations) {
2801					if (conversation.getAccount() == account) {
2802						if (conversation.getMode() == Conversation.MODE_MULTI) {
2803							leaveMuc(conversation, true);
2804						}
2805					}
2806				}
2807				sendOfflinePresence(account);
2808			}
2809			connection.disconnect(force);
2810		}
2811	}
2812
2813	@Override
2814	public IBinder onBind(Intent intent) {
2815		return mBinder;
2816	}
2817
2818	public void updateMessage(Message message) {
2819		updateMessage(message, true);
2820	}
2821
2822	public void updateMessage(Message message, boolean includeBody) {
2823		databaseBackend.updateMessage(message, includeBody);
2824		updateConversationUi();
2825	}
2826
2827	public void updateMessage(Message message, String uuid) {
2828		databaseBackend.updateMessage(message, uuid);
2829		updateConversationUi();
2830	}
2831
2832	protected void syncDirtyContacts(Account account) {
2833		for (Contact contact : account.getRoster().getContacts()) {
2834			if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
2835				pushContactToServer(contact);
2836			}
2837			if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
2838				deleteContactOnServer(contact);
2839			}
2840		}
2841	}
2842
2843	public void createContact(Contact contact, boolean autoGrant) {
2844		if (autoGrant) {
2845			contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
2846			contact.setOption(Contact.Options.ASKING);
2847		}
2848		pushContactToServer(contact);
2849	}
2850
2851	public void pushContactToServer(final Contact contact) {
2852		contact.resetOption(Contact.Options.DIRTY_DELETE);
2853		contact.setOption(Contact.Options.DIRTY_PUSH);
2854		final Account account = contact.getAccount();
2855		if (account.getStatus() == Account.State.ONLINE) {
2856			final boolean ask = contact.getOption(Contact.Options.ASKING);
2857			final boolean sendUpdates = contact
2858					.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
2859					&& contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
2860			final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2861			iq.query(Namespace.ROSTER).addChild(contact.asElement());
2862			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2863			if (sendUpdates) {
2864				sendPresencePacket(account, mPresenceGenerator.sendPresenceUpdatesTo(contact));
2865			}
2866			if (ask) {
2867				sendPresencePacket(account, mPresenceGenerator.requestPresenceUpdatesFrom(contact));
2868			}
2869		} else {
2870			syncRoster(contact.getAccount());
2871		}
2872	}
2873
2874	public void publishMucAvatar(final Conversation conversation, final Uri image, final OnAvatarPublication callback) {
2875		new Thread(() -> {
2876			final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
2877			final int size = Config.AVATAR_SIZE;
2878			final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
2879			if (avatar != null) {
2880				if (!getFileBackend().save(avatar)) {
2881					callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
2882					return;
2883				}
2884				avatar.owner = conversation.getJid().asBareJid();
2885				publishMucAvatar(conversation, avatar, callback);
2886			} else {
2887				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
2888			}
2889		}).start();
2890	}
2891
2892	public void publishAvatar(final Account account, final Uri image, final OnAvatarPublication callback) {
2893		new Thread(() -> {
2894			final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
2895			final int size = Config.AVATAR_SIZE;
2896			final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
2897			if (avatar != null) {
2898				if (!getFileBackend().save(avatar)) {
2899					Log.d(Config.LOGTAG,"unable to save vcard");
2900					callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
2901					return;
2902				}
2903				publishAvatar(account, avatar, callback);
2904			} else {
2905				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
2906			}
2907		}).start();
2908
2909	}
2910
2911	private void publishMucAvatar(Conversation conversation, Avatar avatar, OnAvatarPublication callback) {
2912		final IqPacket retrieve = mIqGenerator.retrieveVcardAvatar(avatar);
2913		sendIqPacket(conversation.getAccount(), retrieve, (account, response) -> {
2914			boolean itemNotFound = response.getType() == IqPacket.TYPE.ERROR && response.hasChild("error") && response.findChild("error").hasChild("item-not-found");
2915			if (response.getType() == IqPacket.TYPE.RESULT || itemNotFound) {
2916				Element vcard = response.findChild("vCard", "vcard-temp");
2917				if (vcard == null) {
2918					vcard = new Element("vCard", "vcard-temp");
2919				}
2920				Element photo = vcard.findChild("PHOTO");
2921				if (photo == null) {
2922					photo = vcard.addChild("PHOTO");
2923				}
2924				photo.clearChildren();
2925				photo.addChild("TYPE").setContent(avatar.type);
2926				photo.addChild("BINVAL").setContent(avatar.image);
2927				IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
2928				publication.setTo(conversation.getJid().asBareJid());
2929				publication.addChild(vcard);
2930				sendIqPacket(account, publication, (a1, publicationResponse) -> {
2931					if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
2932						callback.onAvatarPublicationSucceeded();
2933					} else {
2934						Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getError());
2935						callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
2936					}
2937				});
2938			} else {
2939				Log.d(Config.LOGTAG, "failed to request vcard " + response.toString());
2940				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_no_server_support);
2941			}
2942		});
2943	}
2944
2945    public void publishAvatar(Account account, final Avatar avatar, final OnAvatarPublication callback) {
2946        final Bundle options;
2947        if (account.getXmppConnection().getFeatures().pepPublishOptions()) {
2948            options = PublishOptions.openAccess();
2949        } else {
2950            options = null;
2951        }
2952        publishAvatar(account, avatar, options, true, callback);
2953    }
2954
2955	public void publishAvatar(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
2956        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": publishing avatar. options="+options);
2957		IqPacket packet = this.mIqGenerator.publishAvatar(avatar, options);
2958		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2959
2960			@Override
2961			public void onIqPacketReceived(Account account, IqPacket result) {
2962				if (result.getType() == IqPacket.TYPE.RESULT) {
2963                    publishAvatarMetadata(account, avatar, options,true, callback);
2964                } else if (retry && PublishOptions.preconditionNotMet(result)) {
2965				    pushNodeConfiguration(account, "urn:xmpp:avatar:data", options, new OnConfigurationPushed() {
2966                        @Override
2967                        public void onPushSucceeded() {
2968                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": changed node configuration for avatar node");
2969                            publishAvatar(account, avatar, options, false, callback);
2970                        }
2971
2972                        @Override
2973                        public void onPushFailed() {
2974                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to change node configuration for avatar node");
2975                            publishAvatar(account, avatar, null, false, callback);
2976                        }
2977                    });
2978				} else {
2979					Element error = result.findChild("error");
2980					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server rejected avatar " + (avatar.size / 1024) + "KiB " + (error != null ? error.toString() : ""));
2981					if (callback != null) {
2982						callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
2983					}
2984				}
2985			}
2986		});
2987	}
2988
2989	public void publishAvatarMetadata(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
2990        final IqPacket packet = XmppConnectionService.this.mIqGenerator.publishAvatarMetadata(avatar, options);
2991        sendIqPacket(account, packet, new OnIqPacketReceived() {
2992            @Override
2993            public void onIqPacketReceived(Account account, IqPacket result) {
2994                if (result.getType() == IqPacket.TYPE.RESULT) {
2995                    if (account.setAvatar(avatar.getFilename())) {
2996                        getAvatarService().clear(account);
2997                        databaseBackend.updateAccount(account);
2998                    }
2999                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": published avatar " + (avatar.size / 1024) + "KiB");
3000                    if (callback != null) {
3001                        callback.onAvatarPublicationSucceeded();
3002                    }
3003                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3004                    pushNodeConfiguration(account, "urn:xmpp:avatar:metadata", options, new OnConfigurationPushed() {
3005                        @Override
3006                        public void onPushSucceeded() {
3007                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": changed node configuration for avatar meta data node");
3008                            publishAvatarMetadata(account, avatar, options,false, callback);
3009                        }
3010
3011                        @Override
3012                        public void onPushFailed() {
3013                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to change node configuration for avatar meta data node");
3014                            publishAvatarMetadata(account, avatar,  null,false, callback);
3015                        }
3016                    });
3017                } else {
3018                    if (callback != null) {
3019                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3020                    }
3021                }
3022            }
3023        });
3024    }
3025
3026	public void republishAvatarIfNeeded(Account account) {
3027		if (account.getAxolotlService().isPepBroken()) {
3028			Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping republication of avatar because pep is broken");
3029			return;
3030		}
3031		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3032		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3033
3034			private Avatar parseAvatar(IqPacket packet) {
3035				Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3036				if (pubsub != null) {
3037					Element items = pubsub.findChild("items");
3038					if (items != null) {
3039						return Avatar.parseMetadata(items);
3040					}
3041				}
3042				return null;
3043			}
3044
3045			private boolean errorIsItemNotFound(IqPacket packet) {
3046				Element error = packet.findChild("error");
3047				return packet.getType() == IqPacket.TYPE.ERROR
3048						&& error != null
3049						&& error.hasChild("item-not-found");
3050			}
3051
3052			@Override
3053			public void onIqPacketReceived(Account account, IqPacket packet) {
3054				if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
3055					Avatar serverAvatar = parseAvatar(packet);
3056					if (serverAvatar == null && account.getAvatar() != null) {
3057						Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
3058						if (avatar != null) {
3059							Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar on server was null. republishing");
3060							publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
3061						} else {
3062							Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": error rereading avatar");
3063						}
3064					}
3065				}
3066			}
3067		});
3068	}
3069
3070	public void fetchAvatar(Account account, Avatar avatar) {
3071		fetchAvatar(account, avatar, null);
3072	}
3073
3074	public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3075		final String KEY = generateFetchKey(account, avatar);
3076		synchronized (this.mInProgressAvatarFetches) {
3077			if (!this.mInProgressAvatarFetches.contains(KEY)) {
3078				switch (avatar.origin) {
3079					case PEP:
3080						this.mInProgressAvatarFetches.add(KEY);
3081						fetchAvatarPep(account, avatar, callback);
3082						break;
3083					case VCARD:
3084						this.mInProgressAvatarFetches.add(KEY);
3085						fetchAvatarVcard(account, avatar, callback);
3086						break;
3087				}
3088			}
3089		}
3090	}
3091
3092	private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3093		IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
3094		sendIqPacket(account, packet, (a, result) -> {
3095			synchronized (mInProgressAvatarFetches) {
3096				mInProgressAvatarFetches.remove(generateFetchKey(a, avatar));
3097			}
3098			final String ERROR = a.getJid().asBareJid() + ": fetching avatar for " + avatar.owner + " failed ";
3099			if (result.getType() == IqPacket.TYPE.RESULT) {
3100				avatar.image = mIqParser.avatarData(result);
3101				if (avatar.image != null) {
3102					if (getFileBackend().save(avatar)) {
3103						if (a.getJid().asBareJid().equals(avatar.owner)) {
3104							if (a.setAvatar(avatar.getFilename())) {
3105								databaseBackend.updateAccount(a);
3106							}
3107							getAvatarService().clear(a);
3108							updateConversationUi();
3109							updateAccountUi();
3110						} else {
3111							Contact contact = a.getRoster().getContact(avatar.owner);
3112							if (contact.setAvatar(avatar)) {
3113								syncRoster(account);
3114								getAvatarService().clear(contact);
3115								updateConversationUi();
3116								updateRosterUi();
3117							}
3118						}
3119						if (callback != null) {
3120							callback.success(avatar);
3121						}
3122						Log.d(Config.LOGTAG, a.getJid().asBareJid()
3123								+ ": successfully fetched pep avatar for " + avatar.owner);
3124						return;
3125					}
3126				} else {
3127
3128					Log.d(Config.LOGTAG, ERROR + "(parsing error)");
3129				}
3130			} else {
3131				Element error = result.findChild("error");
3132				if (error == null) {
3133					Log.d(Config.LOGTAG, ERROR + "(server error)");
3134				} else {
3135					Log.d(Config.LOGTAG, ERROR + error.toString());
3136				}
3137			}
3138			if (callback != null) {
3139				callback.error(0, null);
3140			}
3141
3142		});
3143	}
3144
3145	private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3146		IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
3147		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3148			@Override
3149			public void onIqPacketReceived(Account account, IqPacket packet) {
3150				synchronized (mInProgressAvatarFetches) {
3151					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
3152				}
3153				if (packet.getType() == IqPacket.TYPE.RESULT) {
3154					Element vCard = packet.findChild("vCard", "vcard-temp");
3155					Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
3156					String image = photo != null ? photo.findChildContent("BINVAL") : null;
3157					if (image != null) {
3158						avatar.image = image;
3159						if (getFileBackend().save(avatar)) {
3160							Log.d(Config.LOGTAG, account.getJid().asBareJid()
3161									+ ": successfully fetched vCard avatar for " + avatar.owner);
3162							if (avatar.owner.isBareJid()) {
3163								if (account.getJid().asBareJid().equals(avatar.owner) && account.getAvatar() == null) {
3164									Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": had no avatar. replacing with vcard");
3165									account.setAvatar(avatar.getFilename());
3166									databaseBackend.updateAccount(account);
3167									getAvatarService().clear(account);
3168									updateAccountUi();
3169								} else {
3170									Contact contact = account.getRoster().getContact(avatar.owner);
3171									if (contact.setAvatar(avatar)) {
3172										syncRoster(account);
3173										getAvatarService().clear(contact);
3174										updateRosterUi();
3175									}
3176								}
3177								updateConversationUi();
3178							} else {
3179								Conversation conversation = find(account, avatar.owner.asBareJid());
3180								if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
3181									MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
3182									if (user != null) {
3183										if (user.setAvatar(avatar)) {
3184											getAvatarService().clear(user);
3185											updateConversationUi();
3186											updateMucRosterUi();
3187										}
3188										if (user.getRealJid() != null) {
3189										    Contact contact = account.getRoster().getContact(user.getRealJid());
3190										    if (contact.setAvatar(avatar)) {
3191                                                syncRoster(account);
3192                                                getAvatarService().clear(contact);
3193                                                updateRosterUi();
3194                                            }
3195                                        }
3196									}
3197								}
3198							}
3199						}
3200					}
3201				}
3202			}
3203		});
3204	}
3205
3206	public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
3207		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3208		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3209
3210			@Override
3211			public void onIqPacketReceived(Account account, IqPacket packet) {
3212				if (packet.getType() == IqPacket.TYPE.RESULT) {
3213					Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3214					if (pubsub != null) {
3215						Element items = pubsub.findChild("items");
3216						if (items != null) {
3217							Avatar avatar = Avatar.parseMetadata(items);
3218							if (avatar != null) {
3219								avatar.owner = account.getJid().asBareJid();
3220								if (fileBackend.isAvatarCached(avatar)) {
3221									if (account.setAvatar(avatar.getFilename())) {
3222										databaseBackend.updateAccount(account);
3223									}
3224									getAvatarService().clear(account);
3225									callback.success(avatar);
3226								} else {
3227									fetchAvatarPep(account, avatar, callback);
3228								}
3229								return;
3230							}
3231						}
3232					}
3233				}
3234				callback.error(0, null);
3235			}
3236		});
3237	}
3238
3239	public void deleteContactOnServer(Contact contact) {
3240		contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
3241		contact.resetOption(Contact.Options.DIRTY_PUSH);
3242		contact.setOption(Contact.Options.DIRTY_DELETE);
3243		Account account = contact.getAccount();
3244		if (account.getStatus() == Account.State.ONLINE) {
3245			IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3246			Element item = iq.query(Namespace.ROSTER).addChild("item");
3247			item.setAttribute("jid", contact.getJid().toString());
3248			item.setAttribute("subscription", "remove");
3249			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3250		}
3251	}
3252
3253	public void updateConversation(final Conversation conversation) {
3254		mDatabaseWriterExecutor.execute(() -> databaseBackend.updateConversation(conversation));
3255	}
3256
3257	private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
3258		synchronized (account) {
3259			XmppConnection connection = account.getXmppConnection();
3260			if (connection == null) {
3261				connection = createConnection(account);
3262				account.setXmppConnection(connection);
3263			}
3264			boolean hasInternet = hasInternetConnection();
3265			if (account.isEnabled() && hasInternet) {
3266				if (!force) {
3267					disconnect(account, false);
3268				}
3269				Thread thread = new Thread(connection);
3270				connection.setInteractive(interactive);
3271				connection.prepareNewConnection();
3272				connection.interrupt();
3273				thread.start();
3274				scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
3275			} else {
3276				disconnect(account, force || account.getTrueStatus().isError() || !hasInternet);
3277				account.getRoster().clearPresences();
3278				connection.resetEverything();
3279				final AxolotlService axolotlService = account.getAxolotlService();
3280				if (axolotlService != null) {
3281					axolotlService.resetBrokenness();
3282				}
3283				if (!hasInternet) {
3284					account.setStatus(Account.State.NO_INTERNET);
3285				}
3286			}
3287		}
3288	}
3289
3290	public void reconnectAccountInBackground(final Account account) {
3291		new Thread(() -> reconnectAccount(account, false, true)).start();
3292	}
3293
3294	public void invite(Conversation conversation, Jid contact) {
3295		Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": inviting " + contact + " to " + conversation.getJid().asBareJid());
3296		MessagePacket packet = mMessageGenerator.invite(conversation, contact);
3297		sendMessagePacket(conversation.getAccount(), packet);
3298	}
3299
3300	public void directInvite(Conversation conversation, Jid jid) {
3301		MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
3302		sendMessagePacket(conversation.getAccount(), packet);
3303	}
3304
3305	public void resetSendingToWaiting(Account account) {
3306		for (Conversation conversation : getConversations()) {
3307			if (conversation.getAccount() == account) {
3308				conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
3309			}
3310		}
3311	}
3312
3313	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
3314		return markMessage(account, recipient, uuid, status, null);
3315	}
3316
3317	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
3318		if (uuid == null) {
3319			return null;
3320		}
3321		for (Conversation conversation : getConversations()) {
3322			if (conversation.getJid().asBareJid().equals(recipient) && conversation.getAccount() == account) {
3323				final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
3324				if (message != null) {
3325					markMessage(message, status, errorMessage);
3326				}
3327				return message;
3328			}
3329		}
3330		return null;
3331	}
3332
3333	public boolean markMessage(Conversation conversation, String uuid, int status, String serverMessageId) {
3334		if (uuid == null) {
3335			return false;
3336		} else {
3337			Message message = conversation.findSentMessageWithUuid(uuid);
3338			if (message != null) {
3339				if (message.getServerMsgId() == null) {
3340					message.setServerMsgId(serverMessageId);
3341				}
3342				markMessage(message, status);
3343				return true;
3344			} else {
3345				return false;
3346			}
3347		}
3348	}
3349
3350	public void markMessage(Message message, int status) {
3351		markMessage(message, status, null);
3352	}
3353
3354
3355	public void markMessage(Message message, int status, String errorMessage) {
3356		final int c = message.getStatus();
3357		if (status == Message.STATUS_SEND_FAILED && (c == Message.STATUS_SEND_RECEIVED || c == Message.STATUS_SEND_DISPLAYED)) {
3358			return;
3359		}
3360		if (status == Message.STATUS_SEND_RECEIVED && c == Message.STATUS_SEND_DISPLAYED) {
3361			return;
3362		}
3363		message.setErrorMessage(errorMessage);
3364		message.setStatus(status);
3365		databaseBackend.updateMessage(message, false);
3366		updateConversationUi();
3367	}
3368
3369	private SharedPreferences getPreferences() {
3370		return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
3371	}
3372
3373	public long getAutomaticMessageDeletionDate() {
3374		final long timeout = getLongPreference(SettingsActivity.AUTOMATIC_MESSAGE_DELETION, R.integer.automatic_message_deletion);
3375		return timeout == 0 ? timeout : (System.currentTimeMillis() - (timeout * 1000));
3376	}
3377
3378	public long getLongPreference(String name, @IntegerRes int res) {
3379		long defaultValue = getResources().getInteger(res);
3380		try {
3381			return Long.parseLong(getPreferences().getString(name, String.valueOf(defaultValue)));
3382		} catch (NumberFormatException e) {
3383			return defaultValue;
3384		}
3385	}
3386
3387	public boolean getBooleanPreference(String name, @BoolRes int res) {
3388		return getPreferences().getBoolean(name, getResources().getBoolean(res));
3389	}
3390
3391	public boolean confirmMessages() {
3392		return getBooleanPreference("confirm_messages", R.bool.confirm_messages);
3393	}
3394
3395	public boolean allowMessageCorrection() {
3396		return getBooleanPreference("allow_message_correction", R.bool.allow_message_correction);
3397	}
3398
3399	public boolean sendChatStates() {
3400		return getBooleanPreference("chat_states", R.bool.chat_states);
3401	}
3402
3403	private boolean respectAutojoin() {
3404		return getBooleanPreference("autojoin", R.bool.autojoin);
3405	}
3406
3407	public boolean indicateReceived() {
3408		return getBooleanPreference("indicate_received", R.bool.indicate_received);
3409	}
3410
3411	public boolean useTorToConnect() {
3412		return QuickConversationsService.isConversations() && getBooleanPreference("use_tor", R.bool.use_tor);
3413	}
3414
3415	public boolean showExtendedConnectionOptions() {
3416		return QuickConversationsService.isConversations() && getBooleanPreference("show_connection_options", R.bool.show_connection_options);
3417	}
3418
3419	public boolean broadcastLastActivity() {
3420		return getBooleanPreference(SettingsActivity.BROADCAST_LAST_ACTIVITY, R.bool.last_activity);
3421	}
3422
3423	public int unreadCount() {
3424		int count = 0;
3425		for (Conversation conversation : getConversations()) {
3426			count += conversation.unreadCount();
3427		}
3428		return count;
3429	}
3430
3431
3432	private <T> List<T> threadSafeList(Set<T> set) {
3433		synchronized (LISTENER_LOCK) {
3434			return set.size() == 0 ? Collections.emptyList() : new ArrayList<>(set);
3435		}
3436	}
3437
3438	public void showErrorToastInUi(int resId) {
3439		for (OnShowErrorToast listener : threadSafeList(this.mOnShowErrorToasts)) {
3440			listener.onShowErrorToast(resId);
3441		}
3442	}
3443
3444	public void updateConversationUi() {
3445		for (OnConversationUpdate listener : threadSafeList(this.mOnConversationUpdates)) {
3446			listener.onConversationUpdate();
3447		}
3448	}
3449
3450	public void updateAccountUi() {
3451		for (OnAccountUpdate listener : threadSafeList(this.mOnAccountUpdates)) {
3452			listener.onAccountUpdate();
3453		}
3454	}
3455
3456	public void updateRosterUi() {
3457		for (OnRosterUpdate listener : threadSafeList(this.mOnRosterUpdates)) {
3458			listener.onRosterUpdate();
3459		}
3460	}
3461
3462	public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
3463		if (mOnCaptchaRequested.size() > 0) {
3464			DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
3465			Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
3466					(int) (captcha.getHeight() * metrics.scaledDensity), false);
3467			for (OnCaptchaRequested listener : threadSafeList(this.mOnCaptchaRequested)) {
3468				listener.onCaptchaRequested(account, id, data, scaled);
3469			}
3470			return true;
3471		}
3472		return false;
3473	}
3474
3475	public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
3476		for (OnUpdateBlocklist listener : threadSafeList(this.mOnUpdateBlocklist)) {
3477			listener.OnUpdateBlocklist(status);
3478		}
3479	}
3480
3481	public void updateMucRosterUi() {
3482		for (OnMucRosterUpdate listener : threadSafeList(this.mOnMucRosterUpdate)) {
3483			listener.onMucRosterUpdate();
3484		}
3485	}
3486
3487	public void keyStatusUpdated(AxolotlService.FetchStatus report) {
3488		for (OnKeyStatusUpdated listener : threadSafeList(this.mOnKeyStatusUpdated)) {
3489			listener.onKeyStatusUpdated(report);
3490		}
3491	}
3492
3493	public Account findAccountByJid(final Jid accountJid) {
3494		for (Account account : this.accounts) {
3495			if (account.getJid().asBareJid().equals(accountJid.asBareJid())) {
3496				return account;
3497			}
3498		}
3499		return null;
3500	}
3501
3502	public Account findAccountByUuid(final String uuid) {
3503		for(Account account : this.accounts) {
3504			if (account.getUuid().equals(uuid)) {
3505				return account;
3506			}
3507		}
3508		return null;
3509	}
3510
3511	public Conversation findConversationByUuid(String uuid) {
3512		for (Conversation conversation : getConversations()) {
3513			if (conversation.getUuid().equals(uuid)) {
3514				return conversation;
3515			}
3516		}
3517		return null;
3518	}
3519
3520	public Conversation findUniqueConversationByJid(XmppUri xmppUri) {
3521		List<Conversation> findings = new ArrayList<>();
3522		for (Conversation c : getConversations()) {
3523			if (c.getAccount().isEnabled() && c.getJid().asBareJid().equals(xmppUri.getJid()) && ((c.getMode() == Conversational.MODE_MULTI) == xmppUri.isAction(XmppUri.ACTION_JOIN))) {
3524				findings.add(c);
3525			}
3526		}
3527		return findings.size() == 1 ? findings.get(0) : null;
3528	}
3529
3530	public boolean markRead(final Conversation conversation, boolean dismiss) {
3531		return markRead(conversation, null, dismiss).size() > 0;
3532	}
3533
3534	public void markRead(final Conversation conversation) {
3535		markRead(conversation, null, true);
3536	}
3537
3538	public List<Message> markRead(final Conversation conversation, String upToUuid, boolean dismiss) {
3539		if (dismiss) {
3540			mNotificationService.clear(conversation);
3541		}
3542		final List<Message> readMessages = conversation.markRead(upToUuid);
3543		if (readMessages.size() > 0) {
3544			Runnable runnable = () -> {
3545				for (Message message : readMessages) {
3546					databaseBackend.updateMessage(message, false);
3547				}
3548			};
3549			mDatabaseWriterExecutor.execute(runnable);
3550			updateUnreadCountBadge();
3551			return readMessages;
3552		} else {
3553			return readMessages;
3554		}
3555	}
3556
3557	public synchronized void updateUnreadCountBadge() {
3558		int count = unreadCount();
3559		if (unreadCount != count) {
3560			Log.d(Config.LOGTAG, "update unread count to " + count);
3561			if (count > 0) {
3562				ShortcutBadger.applyCount(getApplicationContext(), count);
3563			} else {
3564				ShortcutBadger.removeCount(getApplicationContext());
3565			}
3566			unreadCount = count;
3567		}
3568	}
3569
3570	public void sendReadMarker(final Conversation conversation, String upToUuid) {
3571		final boolean isPrivateAndNonAnonymousMuc = conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous();
3572		final List<Message> readMessages = this.markRead(conversation, upToUuid, true);
3573		if (readMessages.size() > 0) {
3574			updateConversationUi();
3575		}
3576		final Message markable = Conversation.getLatestMarkableMessage(readMessages, isPrivateAndNonAnonymousMuc);
3577		if (confirmMessages()
3578				&& markable != null
3579				&& (markable.trusted() || isPrivateAndNonAnonymousMuc)
3580				&& markable.getRemoteMsgId() != null) {
3581			Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
3582			Account account = conversation.getAccount();
3583			final Jid to = markable.getCounterpart();
3584			final boolean groupChat = conversation.getMode() == Conversation.MODE_MULTI;
3585			MessagePacket packet = mMessageGenerator.confirm(account, to, markable.getRemoteMsgId(), markable.getCounterpart(), groupChat);
3586			this.sendMessagePacket(conversation.getAccount(), packet);
3587		}
3588	}
3589
3590	public SecureRandom getRNG() {
3591		return this.mRandom;
3592	}
3593
3594	public MemorizingTrustManager getMemorizingTrustManager() {
3595		return this.mMemorizingTrustManager;
3596	}
3597
3598	public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
3599		this.mMemorizingTrustManager = trustManager;
3600	}
3601
3602	public void updateMemorizingTrustmanager() {
3603		final MemorizingTrustManager tm;
3604		final boolean dontTrustSystemCAs = getBooleanPreference("dont_trust_system_cas", R.bool.dont_trust_system_cas);
3605		if (dontTrustSystemCAs) {
3606			tm = new MemorizingTrustManager(getApplicationContext(), null);
3607		} else {
3608			tm = new MemorizingTrustManager(getApplicationContext());
3609		}
3610		setMemorizingTrustManager(tm);
3611	}
3612
3613	public LruCache<String, Bitmap> getBitmapCache() {
3614		return this.mBitmapCache;
3615	}
3616
3617	public Collection<String> getKnownHosts() {
3618		final Set<String> hosts = new HashSet<>();
3619		for (final Account account : getAccounts()) {
3620			hosts.add(account.getServer());
3621			for (final Contact contact : account.getRoster().getContacts()) {
3622				if (contact.showInRoster()) {
3623					final String server = contact.getServer();
3624					if (server != null) {
3625						hosts.add(server);
3626					}
3627				}
3628			}
3629		}
3630		if (Config.QUICKSY_DOMAIN != null) {
3631		    hosts.remove(Config.QUICKSY_DOMAIN); //we only want to show this when we type a e164 number
3632        }
3633		if (Config.DOMAIN_LOCK != null) {
3634			hosts.add(Config.DOMAIN_LOCK);
3635		}
3636		if (Config.MAGIC_CREATE_DOMAIN != null) {
3637			hosts.add(Config.MAGIC_CREATE_DOMAIN);
3638		}
3639		return hosts;
3640	}
3641
3642	public Collection<String> getKnownConferenceHosts() {
3643		final Set<String> mucServers = new HashSet<>();
3644		for (final Account account : accounts) {
3645			if (account.getXmppConnection() != null) {
3646				mucServers.addAll(account.getXmppConnection().getMucServers());
3647				for (Bookmark bookmark : account.getBookmarks()) {
3648					final Jid jid = bookmark.getJid();
3649					final String s = jid == null ? null : jid.getDomain();
3650					if (s != null) {
3651						mucServers.add(s);
3652					}
3653				}
3654			}
3655		}
3656		return mucServers;
3657	}
3658
3659	public void sendMessagePacket(Account account, MessagePacket packet) {
3660		XmppConnection connection = account.getXmppConnection();
3661		if (connection != null) {
3662			connection.sendMessagePacket(packet);
3663		}
3664	}
3665
3666	public void sendPresencePacket(Account account, PresencePacket packet) {
3667		XmppConnection connection = account.getXmppConnection();
3668		if (connection != null) {
3669			connection.sendPresencePacket(packet);
3670		}
3671	}
3672
3673	public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
3674		final XmppConnection connection = account.getXmppConnection();
3675		if (connection != null) {
3676			IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
3677			connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener, true);
3678		}
3679	}
3680
3681	public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
3682		final XmppConnection connection = account.getXmppConnection();
3683		if (connection != null) {
3684			connection.sendIqPacket(packet, callback);
3685		} else if (callback != null) {
3686		    callback.onIqPacketReceived(account,new IqPacket(IqPacket.TYPE.TIMEOUT));
3687        }
3688	}
3689
3690	public void sendPresence(final Account account) {
3691		sendPresence(account, checkListeners() && broadcastLastActivity());
3692	}
3693
3694	private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
3695		Presence.Status status;
3696		if (manuallyChangePresence()) {
3697			status = account.getPresenceStatus();
3698		} else {
3699			status = getTargetPresence();
3700		}
3701		PresencePacket packet = mPresenceGenerator.selfPresence(account, status);
3702		String message = account.getPresenceStatusMessage();
3703		if (message != null && !message.isEmpty()) {
3704			packet.addChild(new Element("status").setContent(message));
3705		}
3706		if (mLastActivity > 0 && includeIdleTimestamp) {
3707			long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
3708			packet.addChild("idle", Namespace.IDLE).setAttribute("since", AbstractGenerator.getTimestamp(since));
3709		}
3710		sendPresencePacket(account, packet);
3711	}
3712
3713	private void deactivateGracePeriod() {
3714		for (Account account : getAccounts()) {
3715			account.deactivateGracePeriod();
3716		}
3717	}
3718
3719	public void refreshAllPresences() {
3720		boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
3721		for (Account account : getAccounts()) {
3722			if (account.isEnabled()) {
3723				sendPresence(account, includeIdleTimestamp);
3724			}
3725		}
3726	}
3727
3728	private void refreshAllFcmTokens() {
3729		for (Account account : getAccounts()) {
3730			if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
3731				mPushManagementService.registerPushTokenOnServer(account);
3732			}
3733		}
3734	}
3735
3736	private void sendOfflinePresence(final Account account) {
3737		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending offline presence");
3738		sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
3739	}
3740
3741	public MessageGenerator getMessageGenerator() {
3742		return this.mMessageGenerator;
3743	}
3744
3745	public PresenceGenerator getPresenceGenerator() {
3746		return this.mPresenceGenerator;
3747	}
3748
3749	public IqGenerator getIqGenerator() {
3750		return this.mIqGenerator;
3751	}
3752
3753	public IqParser getIqParser() {
3754		return this.mIqParser;
3755	}
3756
3757	public JingleConnectionManager getJingleConnectionManager() {
3758		return this.mJingleConnectionManager;
3759	}
3760
3761	public MessageArchiveService getMessageArchiveService() {
3762		return this.mMessageArchiveService;
3763	}
3764
3765	public QuickConversationsService getQuickConversationsService() {
3766        return this.mQuickConversationsService;
3767    }
3768
3769	public List<Contact> findContacts(Jid jid, String accountJid) {
3770		ArrayList<Contact> contacts = new ArrayList<>();
3771		for (Account account : getAccounts()) {
3772			if ((account.isEnabled() || accountJid != null)
3773					&& (accountJid == null || accountJid.equals(account.getJid().asBareJid().toString()))) {
3774				Contact contact = account.getRoster().getContactFromContactList(jid);
3775				if (contact != null) {
3776					contacts.add(contact);
3777				}
3778			}
3779		}
3780		return contacts;
3781	}
3782
3783	public Conversation findFirstMuc(Jid jid) {
3784		for (Conversation conversation : getConversations()) {
3785			if (conversation.getAccount().isEnabled() && conversation.getJid().asBareJid().equals(jid.asBareJid()) && conversation.getMode() == Conversation.MODE_MULTI) {
3786				return conversation;
3787			}
3788		}
3789		return null;
3790	}
3791
3792	public NotificationService getNotificationService() {
3793		return this.mNotificationService;
3794	}
3795
3796	public HttpConnectionManager getHttpConnectionManager() {
3797		return this.mHttpConnectionManager;
3798	}
3799
3800	public void resendFailedMessages(final Message message) {
3801		final Collection<Message> messages = new ArrayList<>();
3802		Message current = message;
3803		while (current.getStatus() == Message.STATUS_SEND_FAILED) {
3804			messages.add(current);
3805			if (current.mergeable(current.next())) {
3806				current = current.next();
3807			} else {
3808				break;
3809			}
3810		}
3811		for (final Message msg : messages) {
3812			msg.setTime(System.currentTimeMillis());
3813			markMessage(msg, Message.STATUS_WAITING);
3814			this.resendMessage(msg, false);
3815		}
3816		if (message.getConversation() instanceof Conversation) {
3817			((Conversation) message.getConversation()).sort();
3818		}
3819		updateConversationUi();
3820	}
3821
3822	public void clearConversationHistory(final Conversation conversation) {
3823		final long clearDate;
3824		final String reference;
3825		if (conversation.countMessages() > 0) {
3826			Message latestMessage = conversation.getLatestMessage();
3827			clearDate = latestMessage.getTimeSent() + 1000;
3828			reference = latestMessage.getServerMsgId();
3829		} else {
3830			clearDate = System.currentTimeMillis();
3831			reference = null;
3832		}
3833		conversation.clearMessages();
3834		conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
3835		conversation.setLastClearHistory(clearDate, reference);
3836		Runnable runnable = () -> {
3837			databaseBackend.deleteMessagesInConversation(conversation);
3838			databaseBackend.updateConversation(conversation);
3839		};
3840		mDatabaseWriterExecutor.execute(runnable);
3841	}
3842
3843	public boolean sendBlockRequest(final Blockable blockable, boolean reportSpam) {
3844		if (blockable != null && blockable.getBlockedJid() != null) {
3845			final Jid jid = blockable.getBlockedJid();
3846			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), new OnIqPacketReceived() {
3847
3848				@Override
3849				public void onIqPacketReceived(final Account account, final IqPacket packet) {
3850					if (packet.getType() == IqPacket.TYPE.RESULT) {
3851						account.getBlocklist().add(jid);
3852						updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
3853					}
3854				}
3855			});
3856			if (removeBlockedConversations(blockable.getAccount(), jid)) {
3857				updateConversationUi();
3858				return true;
3859			} else {
3860				return false;
3861			}
3862		} else {
3863			return false;
3864		}
3865	}
3866
3867	public boolean removeBlockedConversations(final Account account, final Jid blockedJid) {
3868		boolean removed = false;
3869		synchronized (this.conversations) {
3870			boolean domainJid = blockedJid.getLocal() == null;
3871			for (Conversation conversation : this.conversations) {
3872				boolean jidMatches = (domainJid && blockedJid.getDomain().equals(conversation.getJid().getDomain()))
3873						|| blockedJid.equals(conversation.getJid().asBareJid());
3874				if (conversation.getAccount() == account
3875						&& conversation.getMode() == Conversation.MODE_SINGLE
3876						&& jidMatches) {
3877					this.conversations.remove(conversation);
3878					markRead(conversation);
3879					conversation.setStatus(Conversation.STATUS_ARCHIVED);
3880					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conversation " + conversation.getJid().asBareJid() + " because jid was blocked");
3881					updateConversation(conversation);
3882					removed = true;
3883				}
3884			}
3885		}
3886		return removed;
3887	}
3888
3889	public void sendUnblockRequest(final Blockable blockable) {
3890		if (blockable != null && blockable.getJid() != null) {
3891			final Jid jid = blockable.getBlockedJid();
3892			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
3893				@Override
3894				public void onIqPacketReceived(final Account account, final IqPacket packet) {
3895					if (packet.getType() == IqPacket.TYPE.RESULT) {
3896						account.getBlocklist().remove(jid);
3897						updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
3898					}
3899				}
3900			});
3901		}
3902	}
3903
3904	public void publishDisplayName(Account account) {
3905		String displayName = account.getDisplayName();
3906		final IqPacket request;
3907		if (TextUtils.isEmpty(displayName)) {
3908            request = mIqGenerator.deleteNode(Namespace.NICK);
3909		} else {
3910            request = mIqGenerator.publishNick(displayName);
3911        }
3912        mAvatarService.clear(account);
3913        sendIqPacket(account, request, (account1, packet) -> {
3914            if (packet.getType() == IqPacket.TYPE.ERROR) {
3915                Log.d(Config.LOGTAG, account1.getJid().asBareJid() + ": unable to modify nick name "+packet.toString());
3916            }
3917        });
3918	}
3919
3920	public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
3921		ServiceDiscoveryResult result = discoCache.get(key);
3922		if (result != null) {
3923			return result;
3924		} else {
3925			result = databaseBackend.findDiscoveryResult(key.first, key.second);
3926			if (result != null) {
3927				discoCache.put(key, result);
3928			}
3929			return result;
3930		}
3931	}
3932
3933	public void fetchCaps(Account account, final Jid jid, final Presence presence) {
3934		final Pair<String, String> key = new Pair<>(presence.getHash(), presence.getVer());
3935		ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
3936		if (disco != null) {
3937			presence.setServiceDiscoveryResult(disco);
3938		} else {
3939			if (!account.inProgressDiscoFetches.contains(key)) {
3940				account.inProgressDiscoFetches.add(key);
3941				IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3942				request.setTo(jid);
3943				final String node = presence.getNode();
3944				final String ver = presence.getVer();
3945				final Element query = request.query("http://jabber.org/protocol/disco#info");
3946				if (node != null && ver != null) {
3947					query.setAttribute("node",node+"#"+ver);
3948				}
3949				Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": making disco request for " + key.second + " to " + jid);
3950				sendIqPacket(account, request, (a, response) -> {
3951					if (response.getType() == IqPacket.TYPE.RESULT) {
3952						ServiceDiscoveryResult discoveryResult = new ServiceDiscoveryResult(response);
3953						if (presence.getVer().equals(discoveryResult.getVer())) {
3954							databaseBackend.insertDiscoveryResult(discoveryResult);
3955							injectServiceDiscoveryResult(a.getRoster(), presence.getHash(), presence.getVer(), discoveryResult);
3956						} else {
3957							Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + discoveryResult.getVer());
3958						}
3959					}
3960					a.inProgressDiscoFetches.remove(key);
3961				});
3962			}
3963		}
3964	}
3965
3966	private void injectServiceDiscoveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
3967		for (Contact contact : roster.getContacts()) {
3968			for (Presence presence : contact.getPresences().getPresences().values()) {
3969				if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
3970					presence.setServiceDiscoveryResult(disco);
3971				}
3972			}
3973		}
3974	}
3975
3976	public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
3977		final MessageArchiveService.Version version = MessageArchiveService.Version.get(account);
3978		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3979		request.addChild("prefs", version.namespace);
3980		sendIqPacket(account, request, (account1, packet) -> {
3981			Element prefs = packet.findChild("prefs", version.namespace);
3982			if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
3983				callback.onPreferencesFetched(prefs);
3984			} else {
3985				callback.onPreferencesFetchFailed();
3986			}
3987		});
3988	}
3989
3990	public PushManagementService getPushManagementService() {
3991		return mPushManagementService;
3992	}
3993
3994	public void changeStatus(Account account, PresenceTemplate template, String signature) {
3995		if (!template.getStatusMessage().isEmpty()) {
3996			databaseBackend.insertPresenceTemplate(template);
3997		}
3998		account.setPgpSignature(signature);
3999		account.setPresenceStatus(template.getStatus());
4000		account.setPresenceStatusMessage(template.getStatusMessage());
4001		databaseBackend.updateAccount(account);
4002		sendPresence(account);
4003	}
4004
4005	public List<PresenceTemplate> getPresenceTemplates(Account account) {
4006		List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
4007		for (PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
4008			if (!templates.contains(template)) {
4009				templates.add(0, template);
4010			}
4011		}
4012		return templates;
4013	}
4014
4015	public void saveConversationAsBookmark(Conversation conversation, String name) {
4016		Account account = conversation.getAccount();
4017		Bookmark bookmark = new Bookmark(account, conversation.getJid().asBareJid());
4018		if (!conversation.getJid().isBareJid()) {
4019			bookmark.setNick(conversation.getJid().getResource());
4020		}
4021		if (!TextUtils.isEmpty(name)) {
4022			bookmark.setBookmarkName(name);
4023		}
4024		bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
4025		account.getBookmarks().add(bookmark);
4026		pushBookmarks(account);
4027		bookmark.setConversation(conversation);
4028	}
4029
4030	public boolean verifyFingerprints(Contact contact, List<XmppUri.Fingerprint> fingerprints) {
4031		boolean performedVerification = false;
4032		final AxolotlService axolotlService = contact.getAccount().getAxolotlService();
4033		for (XmppUri.Fingerprint fp : fingerprints) {
4034			if (fp.type == XmppUri.FingerprintType.OMEMO) {
4035				String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4036				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4037				if (fingerprintStatus != null) {
4038					if (!fingerprintStatus.isVerified()) {
4039						performedVerification = true;
4040						axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4041					}
4042				} else {
4043					axolotlService.preVerifyFingerprint(contact, fingerprint);
4044				}
4045			}
4046		}
4047		return performedVerification;
4048	}
4049
4050	public boolean verifyFingerprints(Account account, List<XmppUri.Fingerprint> fingerprints) {
4051		final AxolotlService axolotlService = account.getAxolotlService();
4052		boolean verifiedSomething = false;
4053		for (XmppUri.Fingerprint fp : fingerprints) {
4054			if (fp.type == XmppUri.FingerprintType.OMEMO) {
4055				String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4056				Log.d(Config.LOGTAG, "trying to verify own fp=" + fingerprint);
4057				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4058				if (fingerprintStatus != null) {
4059					if (!fingerprintStatus.isVerified()) {
4060						axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4061						verifiedSomething = true;
4062					}
4063				} else {
4064					axolotlService.preVerifyFingerprint(account, fingerprint);
4065					verifiedSomething = true;
4066				}
4067			}
4068		}
4069		return verifiedSomething;
4070	}
4071
4072	public boolean blindTrustBeforeVerification() {
4073		return getBooleanPreference(SettingsActivity.BLIND_TRUST_BEFORE_VERIFICATION, R.bool.btbv);
4074	}
4075
4076	public ShortcutService getShortcutService() {
4077		return mShortcutService;
4078	}
4079
4080	public void pushMamPreferences(Account account, Element prefs) {
4081		IqPacket set = new IqPacket(IqPacket.TYPE.SET);
4082		set.addChild(prefs);
4083		sendIqPacket(account, set, null);
4084	}
4085
4086	public interface OnMamPreferencesFetched {
4087		void onPreferencesFetched(Element prefs);
4088
4089		void onPreferencesFetchFailed();
4090	}
4091
4092	public interface OnAccountCreated {
4093		void onAccountCreated(Account account);
4094
4095		void informUser(int r);
4096	}
4097
4098	public interface OnMoreMessagesLoaded {
4099		void onMoreMessagesLoaded(int count, Conversation conversation);
4100
4101		void informUser(int r);
4102	}
4103
4104	public interface OnAccountPasswordChanged {
4105		void onPasswordChangeSucceeded();
4106
4107		void onPasswordChangeFailed();
4108	}
4109
4110	public interface OnAffiliationChanged {
4111		void onAffiliationChangedSuccessful(Jid jid);
4112
4113		void onAffiliationChangeFailed(Jid jid, int resId);
4114	}
4115
4116	public interface OnRoleChanged {
4117		void onRoleChangedSuccessful(String nick);
4118
4119		void onRoleChangeFailed(String nick, int resid);
4120	}
4121
4122	public interface OnConversationUpdate {
4123		void onConversationUpdate();
4124	}
4125
4126	public interface OnAccountUpdate {
4127		void onAccountUpdate();
4128	}
4129
4130	public interface OnCaptchaRequested {
4131		void onCaptchaRequested(Account account, String id, Data data, Bitmap captcha);
4132	}
4133
4134	public interface OnRosterUpdate {
4135		void onRosterUpdate();
4136	}
4137
4138	public interface OnMucRosterUpdate {
4139		void onMucRosterUpdate();
4140	}
4141
4142	public interface OnConferenceConfigurationFetched {
4143		void onConferenceConfigurationFetched(Conversation conversation);
4144
4145		void onFetchFailed(Conversation conversation, Element error);
4146	}
4147
4148	public interface OnConferenceJoined {
4149		void onConferenceJoined(Conversation conversation);
4150	}
4151
4152	public interface OnConfigurationPushed {
4153		void onPushSucceeded();
4154
4155		void onPushFailed();
4156	}
4157
4158	public interface OnShowErrorToast {
4159		void onShowErrorToast(int resId);
4160	}
4161
4162	public class XmppConnectionBinder extends Binder {
4163		public XmppConnectionService getService() {
4164			return XmppConnectionService.this;
4165		}
4166	}
4167
4168	private class InternalEventReceiver extends BroadcastReceiver {
4169
4170        @Override
4171        public void onReceive(Context context, Intent intent) {
4172            onStartCommand(intent,0,0);
4173        }
4174    }
4175}