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                            if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1320                                Log.e(Config.LOGTAG,"error updated message in DB after edit");
1321                            }
1322                            updateConversationUi();
1323                            return;
1324                        } else {
1325                            databaseBackend.createMessage(message);
1326                            saveInDb = false;
1327                            message.setBody(decryptedBody);
1328                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1329                        }
1330                    }
1331                    break;
1332                case Message.ENCRYPTION_AXOLOTL:
1333                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1334                    break;
1335            }
1336        }
1337
1338
1339        boolean mucMessage = conversation.getMode() == Conversation.MODE_MULTI && message.getType() != Message.TYPE_PRIVATE;
1340        if (mucMessage) {
1341            message.setCounterpart(conversation.getMucOptions().getSelf().getFullJid());
1342        }
1343
1344        if (resend) {
1345            if (packet != null && addToConversation) {
1346                if (account.getXmppConnection().getFeatures().sm() || mucMessage) {
1347                    markMessage(message, Message.STATUS_UNSEND);
1348                } else {
1349                    markMessage(message, Message.STATUS_SEND);
1350                }
1351            }
1352        } else {
1353            if (addToConversation) {
1354                conversation.add(message);
1355            }
1356            if (saveInDb) {
1357                databaseBackend.createMessage(message);
1358            } else if (message.edited()) {
1359                if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1360                    Log.e(Config.LOGTAG,"error updated message in DB after edit");
1361                }
1362            }
1363            updateConversationUi();
1364        }
1365        if (packet != null) {
1366            if (delay) {
1367                mMessageGenerator.addDelay(packet, message.getTimeSent());
1368            }
1369            if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
1370                if (this.sendChatStates()) {
1371                    packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1372                }
1373            }
1374            sendMessagePacket(account, packet);
1375        }
1376    }
1377
1378    private void sendUnsentMessages(final Conversation conversation) {
1379        conversation.findWaitingMessages(message -> resendMessage(message, true));
1380    }
1381
1382    public void resendMessage(final Message message, final boolean delay) {
1383        sendMessage(message, true, delay);
1384    }
1385
1386    public void fetchRosterFromServer(final Account account) {
1387        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1388        if (!"".equals(account.getRosterVersion())) {
1389            Log.d(Config.LOGTAG, account.getJid().asBareJid()
1390                    + ": fetching roster version " + account.getRosterVersion());
1391        } else {
1392            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching roster");
1393        }
1394        iqPacket.query(Namespace.ROSTER).setAttribute("ver", account.getRosterVersion());
1395        sendIqPacket(account, iqPacket, mIqParser);
1396    }
1397
1398    public void fetchBookmarks(final Account account) {
1399        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1400        final Element query = iqPacket.query("jabber:iq:private");
1401        query.addChild("storage", Namespace.BOOKMARKS);
1402        final OnIqPacketReceived callback = (a, response) -> {
1403            if (response.getType() == IqPacket.TYPE.RESULT) {
1404                final Element query1 = response.query();
1405                final Element storage = query1.findChild("storage", "storage:bookmarks");
1406                processBookmarks(a, storage);
1407            } else {
1408                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": could not fetch bookmarks");
1409            }
1410        };
1411        sendIqPacket(account, iqPacket, callback);
1412    }
1413
1414    public void processBookmarks(Account account, Element storage) {
1415        final HashMap<Jid, Bookmark> bookmarks = new HashMap<>();
1416        final boolean autojoin = respectAutojoin();
1417        if (storage != null) {
1418            for (final Element item : storage.getChildren()) {
1419                if (item.getName().equals("conference")) {
1420                    final Bookmark bookmark = Bookmark.parse(item, account);
1421                    Bookmark old = bookmarks.put(bookmark.getJid(), bookmark);
1422                    if (old != null && old.getBookmarkName() != null && bookmark.getBookmarkName() == null) {
1423                        bookmark.setBookmarkName(old.getBookmarkName());
1424                    }
1425                    Conversation conversation = find(bookmark);
1426                    if (conversation != null) {
1427                        bookmark.setConversation(conversation);
1428                    } else if (bookmark.autojoin() && bookmark.getJid() != null && autojoin) {
1429                        conversation = findOrCreateConversation(account, bookmark.getFullJid(), true, true, false);
1430                        bookmark.setConversation(conversation);
1431                    }
1432                }
1433            }
1434        }
1435        account.setBookmarks(new CopyOnWriteArrayList<>(bookmarks.values()));
1436    }
1437
1438    public void pushBookmarks(Account account) {
1439        if (account.getXmppConnection().getFeatures().bookmarksConversion()) {
1440            pushBookmarksPep(account);
1441        } else {
1442            pushBookmarksPrivateXml(account);
1443        }
1444    }
1445
1446    private void pushBookmarksPrivateXml(Account account) {
1447        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via private xml");
1448        IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1449        Element query = iqPacket.query("jabber:iq:private");
1450        Element storage = query.addChild("storage", "storage:bookmarks");
1451        for (Bookmark bookmark : account.getBookmarks()) {
1452            storage.addChild(bookmark);
1453        }
1454        sendIqPacket(account, iqPacket, mDefaultIqHandler);
1455    }
1456
1457    private void pushBookmarksPep(Account account) {
1458        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via pep");
1459        Element storage = new Element("storage", "storage:bookmarks");
1460        for (Bookmark bookmark : account.getBookmarks()) {
1461            storage.addChild(bookmark);
1462        }
1463        pushNodeAndEnforcePublishOptions(account,Namespace.BOOKMARKS,storage, PublishOptions.persistentWhitelistAccess());
1464
1465    }
1466
1467
1468    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final Bundle options) {
1469        pushNodeAndEnforcePublishOptions(account, node, element, options, true);
1470
1471    }
1472
1473	private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final Bundle options, final boolean retry) {
1474        IqPacket packet = mIqGenerator.publishElement(node, element, options);
1475        Log.d(Config.LOGTAG,packet.toString());
1476        sendIqPacket(account, packet, (a, response) -> {
1477            if (response.getType() == IqPacket.TYPE.RESULT) {
1478                return;
1479            }
1480            if (retry && PublishOptions.preconditionNotMet(response)) {
1481                pushNodeConfiguration(account, node, options, new OnConfigurationPushed() {
1482                    @Override
1483                    public void onPushSucceeded() {
1484                        pushNodeAndEnforcePublishOptions(account, node, element, options, false);
1485                    }
1486
1487                    @Override
1488                    public void onPushFailed() {
1489                        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to push node configuration ("+node+")");
1490                    }
1491                });
1492            } else {
1493                Log.d(Config.LOGTAG,account.getJid().asBareJid()+": error publishing bookmarks (retry="+Boolean.toString(retry)+") "+response);
1494            }
1495        });
1496    }
1497
1498	private void restoreFromDatabase() {
1499		synchronized (this.conversations) {
1500			final Map<String, Account> accountLookupTable = new Hashtable<>();
1501			for (Account account : this.accounts) {
1502				accountLookupTable.put(account.getUuid(), account);
1503			}
1504			Log.d(Config.LOGTAG, "restoring conversations...");
1505			final long startTimeConversationsRestore = SystemClock.elapsedRealtime();
1506			this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1507			for (Iterator<Conversation> iterator = conversations.listIterator(); iterator.hasNext(); ) {
1508				Conversation conversation = iterator.next();
1509				Account account = accountLookupTable.get(conversation.getAccountUuid());
1510				if (account != null) {
1511					conversation.setAccount(account);
1512				} else {
1513					Log.e(Config.LOGTAG, "unable to restore Conversations with " + conversation.getJid());
1514					iterator.remove();
1515				}
1516			}
1517			long diffConversationsRestore = SystemClock.elapsedRealtime() - startTimeConversationsRestore;
1518			Log.d(Config.LOGTAG, "finished restoring conversations in " + diffConversationsRestore + "ms");
1519			Runnable runnable = () -> {
1520				long deletionDate = getAutomaticMessageDeletionDate();
1521				mLastExpiryRun.set(SystemClock.elapsedRealtime());
1522				if (deletionDate > 0) {
1523					Log.d(Config.LOGTAG, "deleting messages that are older than " + AbstractGenerator.getTimestamp(deletionDate));
1524					databaseBackend.expireOldMessages(deletionDate);
1525				}
1526				Log.d(Config.LOGTAG, "restoring roster...");
1527				for (Account account : accounts) {
1528					databaseBackend.readRoster(account.getRoster());
1529					account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1530				}
1531				getBitmapCache().evictAll();
1532				loadPhoneContacts();
1533				Log.d(Config.LOGTAG, "restoring messages...");
1534				final long startMessageRestore = SystemClock.elapsedRealtime();
1535				final Conversation quickLoad = QuickLoader.get(this.conversations);
1536				if (quickLoad != null) {
1537					restoreMessages(quickLoad);
1538					updateConversationUi();
1539					final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1540					Log.d(Config.LOGTAG,"quickly restored "+quickLoad.getName()+" after " + diffMessageRestore + "ms");
1541				}
1542				for (Conversation conversation : this.conversations) {
1543					if (quickLoad != conversation) {
1544						restoreMessages(conversation);
1545					}
1546				}
1547				mNotificationService.finishBacklog(false);
1548				restoredFromDatabaseLatch.countDown();
1549				final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1550				Log.d(Config.LOGTAG, "finished restoring messages in " + diffMessageRestore + "ms");
1551				updateConversationUi();
1552			};
1553			mDatabaseReaderExecutor.execute(runnable); //will contain one write command (expiry) but that's fine
1554		}
1555	}
1556
1557	private void restoreMessages(Conversation conversation) {
1558		conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1559		checkDeletedFiles(conversation);
1560		conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
1561		conversation.findUnreadMessages(message -> mNotificationService.pushFromBacklog(message));
1562	}
1563
1564	public void loadPhoneContacts() {
1565        mContactMergerExecutor.execute(() -> {
1566            Map<Jid, JabberIdContact> contacts = JabberIdContact.load(this);
1567            Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1568            for (Account account : accounts) {
1569                List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts(JabberIdContact.class);
1570                for (JabberIdContact jidContact : contacts.values()) {
1571                    final Contact contact = account.getRoster().getContact(jidContact.getJid());
1572                    boolean needsCacheClean = contact.setPhoneContact(jidContact);
1573                    if (needsCacheClean) {
1574                        getAvatarService().clear(contact);
1575                    }
1576                    withSystemAccounts.remove(contact);
1577                }
1578                for (Contact contact : withSystemAccounts) {
1579                    boolean needsCacheClean = contact.unsetPhoneContact(JabberIdContact.class);
1580                    if (needsCacheClean) {
1581                        getAvatarService().clear(contact);
1582                    }
1583                }
1584            }
1585            Log.d(Config.LOGTAG, "finished merging phone contacts");
1586            mShortcutService.refresh(mInitialAddressbookSyncCompleted.compareAndSet(false, true));
1587            updateRosterUi();
1588            mQuickConversationsService.considerSync();
1589        });
1590	}
1591
1592
1593	public void syncRoster(final Account account) {
1594		mRosterSyncTaskManager.execute(account, () -> databaseBackend.writeRoster(account.getRoster()));
1595	}
1596
1597	public List<Conversation> getConversations() {
1598		return this.conversations;
1599	}
1600
1601	private void checkDeletedFiles(Conversation conversation) {
1602		conversation.findMessagesWithFiles(message -> {
1603			if (!getFileBackend().isFileAvailable(message)) {
1604				message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1605				final int s = message.getStatus();
1606				if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1607					markMessage(message, Message.STATUS_SEND_FAILED);
1608				}
1609			}
1610		});
1611	}
1612
1613	private void markFileDeleted(final String path) {
1614		Log.d(Config.LOGTAG, "deleted file " + path);
1615		for (Conversation conversation : getConversations()) {
1616			conversation.findMessagesWithFiles(message -> {
1617				DownloadableFile file = fileBackend.getFile(message);
1618				if (file.getAbsolutePath().equals(path)) {
1619					if (!file.exists()) {
1620						message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1621						final int s = message.getStatus();
1622						if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1623							markMessage(message, Message.STATUS_SEND_FAILED);
1624						} else {
1625							updateConversationUi();
1626						}
1627					} else {
1628						Log.d(Config.LOGTAG, "found matching message for file " + path + " but file still exists");
1629					}
1630				}
1631			});
1632		}
1633	}
1634
1635	public void populateWithOrderedConversations(final List<Conversation> list) {
1636		populateWithOrderedConversations(list, true);
1637	}
1638
1639	public void populateWithOrderedConversations(final List<Conversation> list, boolean includeNoFileUpload) {
1640		list.clear();
1641		if (includeNoFileUpload) {
1642			list.addAll(getConversations());
1643		} else {
1644			for (Conversation conversation : getConversations()) {
1645				if (conversation.getMode() == Conversation.MODE_SINGLE
1646						|| (conversation.getAccount().httpUploadAvailable() && conversation.getMucOptions().participating())) {
1647					list.add(conversation);
1648				}
1649			}
1650		}
1651		try {
1652			Collections.sort(list);
1653		} catch (IllegalArgumentException e) {
1654			//ignore
1655		}
1656	}
1657
1658	public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
1659		if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
1660			return;
1661		} else if (timestamp == 0) {
1662			return;
1663		}
1664		Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
1665		final Runnable runnable = () -> {
1666			final Account account = conversation.getAccount();
1667			List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
1668			if (messages.size() > 0) {
1669				conversation.addAll(0, messages);
1670				checkDeletedFiles(conversation);
1671				callback.onMoreMessagesLoaded(messages.size(), conversation);
1672			} else if (conversation.hasMessagesLeftOnServer()
1673					&& account.isOnlineAndConnected()
1674					&& conversation.getLastClearHistory().getTimestamp() == 0) {
1675				final boolean mamAvailable;
1676				if (conversation.getMode() == Conversation.MODE_SINGLE) {
1677					mamAvailable = account.getXmppConnection().getFeatures().mam() && !conversation.getContact().isBlocked();
1678				} else {
1679					mamAvailable = conversation.getMucOptions().mamSupport();
1680				}
1681				if (mamAvailable) {
1682					MessageArchiveService.Query query = getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
1683					if (query != null) {
1684						query.setCallback(callback);
1685						callback.informUser(R.string.fetching_history_from_server);
1686					} else {
1687						callback.informUser(R.string.not_fetching_history_retention_period);
1688					}
1689
1690				}
1691			}
1692		};
1693		mDatabaseReaderExecutor.execute(runnable);
1694	}
1695
1696	public List<Account> getAccounts() {
1697		return this.accounts;
1698	}
1699
1700
1701    /**
1702     * 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)
1703     */
1704	public List<Conversation> findAllConferencesWith(Contact contact) {
1705		ArrayList<Conversation> results = new ArrayList<>();
1706		for (final Conversation c : conversations) {
1707			if (c.getMode() == Conversation.MODE_MULTI && (c.getJid().asBareJid().equals(contact.getJid().asBareJid()) || c.getMucOptions().isContactInRoom(contact))) {
1708			    results.add(c);
1709			}
1710		}
1711		return results;
1712	}
1713
1714	public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
1715		for (final Conversation conversation : haystack) {
1716			if (conversation.getContact() == contact) {
1717				return conversation;
1718			}
1719		}
1720		return null;
1721	}
1722
1723	public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
1724		if (jid == null) {
1725			return null;
1726		}
1727		for (final Conversation conversation : haystack) {
1728			if ((account == null || conversation.getAccount() == account)
1729					&& (conversation.getJid().asBareJid().equals(jid.asBareJid()))) {
1730				return conversation;
1731			}
1732		}
1733		return null;
1734	}
1735
1736	public boolean isConversationsListEmpty(final Conversation ignore) {
1737		synchronized (this.conversations) {
1738			final int size = this.conversations.size();
1739			return size == 0 || size == 1 && this.conversations.get(0) == ignore;
1740		}
1741	}
1742
1743	public boolean isConversationStillOpen(final Conversation conversation) {
1744		synchronized (this.conversations) {
1745			for (Conversation current : this.conversations) {
1746				if (current == conversation) {
1747					return true;
1748				}
1749			}
1750		}
1751		return false;
1752	}
1753
1754	public Conversation findOrCreateConversation(Account account, Jid jid, boolean muc, final boolean async) {
1755		return this.findOrCreateConversation(account, jid, muc, false, async);
1756	}
1757
1758	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final boolean async) {
1759		return this.findOrCreateConversation(account, jid, muc, joinAfterCreate, null, async);
1760	}
1761
1762	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final MessageArchiveService.Query query, final boolean async) {
1763		synchronized (this.conversations) {
1764			Conversation conversation = find(account, jid);
1765			if (conversation != null) {
1766				return conversation;
1767			}
1768			conversation = databaseBackend.findConversation(account, jid);
1769			final boolean loadMessagesFromDb;
1770			if (conversation != null) {
1771				conversation.setStatus(Conversation.STATUS_AVAILABLE);
1772				conversation.setAccount(account);
1773				if (muc) {
1774					conversation.setMode(Conversation.MODE_MULTI);
1775					conversation.setContactJid(jid);
1776				} else {
1777					conversation.setMode(Conversation.MODE_SINGLE);
1778					conversation.setContactJid(jid.asBareJid());
1779				}
1780				databaseBackend.updateConversation(conversation);
1781				loadMessagesFromDb = conversation.messagesLoaded.compareAndSet(true, false);
1782			} else {
1783				String conversationName;
1784				Contact contact = account.getRoster().getContact(jid);
1785				if (contact != null) {
1786					conversationName = contact.getDisplayName();
1787				} else {
1788					conversationName = jid.getLocal();
1789				}
1790				if (muc) {
1791					conversation = new Conversation(conversationName, account, jid,
1792							Conversation.MODE_MULTI);
1793				} else {
1794					conversation = new Conversation(conversationName, account, jid.asBareJid(),
1795							Conversation.MODE_SINGLE);
1796				}
1797				this.databaseBackend.createConversation(conversation);
1798				loadMessagesFromDb = false;
1799			}
1800			final Conversation c = conversation;
1801			final Runnable runnable = () -> {
1802				if (loadMessagesFromDb) {
1803					c.addAll(0, databaseBackend.getMessages(c, Config.PAGE_SIZE));
1804					updateConversationUi();
1805					c.messagesLoaded.set(true);
1806				}
1807				if (account.getXmppConnection() != null
1808						&& !c.getContact().isBlocked()
1809						&& account.getXmppConnection().getFeatures().mam()
1810						&& !muc) {
1811					if (query == null) {
1812						mMessageArchiveService.query(c);
1813					} else {
1814						if (query.getConversation() == null) {
1815							mMessageArchiveService.query(c, query.getStart(), query.isCatchup());
1816						}
1817					}
1818				}
1819				checkDeletedFiles(c);
1820				if (joinAfterCreate) {
1821					joinMuc(c);
1822				}
1823			};
1824			if (async) {
1825				mDatabaseReaderExecutor.execute(runnable);
1826			} else {
1827				runnable.run();
1828			}
1829			this.conversations.add(conversation);
1830			updateConversationUi();
1831			return conversation;
1832		}
1833	}
1834
1835	public void archiveConversation(Conversation conversation) {
1836		getNotificationService().clear(conversation);
1837		conversation.setStatus(Conversation.STATUS_ARCHIVED);
1838		conversation.setNextMessage(null);
1839		synchronized (this.conversations) {
1840			getMessageArchiveService().kill(conversation);
1841			if (conversation.getMode() == Conversation.MODE_MULTI) {
1842				if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
1843					Bookmark bookmark = conversation.getBookmark();
1844					if (bookmark != null && bookmark.autojoin() && respectAutojoin()) {
1845						bookmark.setAutojoin(false);
1846						pushBookmarks(bookmark.getAccount());
1847					}
1848				}
1849				leaveMuc(conversation);
1850			} else {
1851				if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
1852				    stopPresenceUpdatesTo(conversation.getContact());
1853				}
1854			}
1855			updateConversation(conversation);
1856			this.conversations.remove(conversation);
1857			updateConversationUi();
1858		}
1859	}
1860
1861	public void stopPresenceUpdatesTo(Contact contact) {
1862        Log.d(Config.LOGTAG, "Canceling presence request from " + contact.getJid().toString());
1863        sendPresencePacket(contact.getAccount(), mPresenceGenerator.stopPresenceUpdatesTo(contact));
1864        contact.resetOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
1865    }
1866
1867	public void createAccount(final Account account) {
1868		account.initAccountServices(this);
1869		databaseBackend.createAccount(account);
1870		this.accounts.add(account);
1871		this.reconnectAccountInBackground(account);
1872		updateAccountUi();
1873		syncEnabledAccountSetting();
1874		toggleForegroundService();
1875	}
1876
1877	private void syncEnabledAccountSetting() {
1878		getPreferences().edit().putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts()).apply();
1879	}
1880
1881	public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
1882		new Thread(() -> {
1883			try {
1884				final X509Certificate[] chain = KeyChain.getCertificateChain(this, alias);
1885				final X509Certificate cert = chain != null && chain.length > 0 ? chain[0] : null;
1886				if (cert == null) {
1887					callback.informUser(R.string.unable_to_parse_certificate);
1888					return;
1889				}
1890				Pair<Jid, String> info = CryptoHelper.extractJidAndName(cert);
1891				if (info == null) {
1892					callback.informUser(R.string.certificate_does_not_contain_jid);
1893					return;
1894				}
1895				if (findAccountByJid(info.first) == null) {
1896					Account account = new Account(info.first, "");
1897					account.setPrivateKeyAlias(alias);
1898					account.setOption(Account.OPTION_DISABLED, true);
1899					account.setDisplayName(info.second);
1900					createAccount(account);
1901					callback.onAccountCreated(account);
1902					if (Config.X509_VERIFICATION) {
1903						try {
1904							getMemorizingTrustManager().getNonInteractive(account.getJid().getDomain()).checkClientTrusted(chain, "RSA");
1905						} catch (CertificateException e) {
1906							callback.informUser(R.string.certificate_chain_is_not_trusted);
1907						}
1908					}
1909				} else {
1910					callback.informUser(R.string.account_already_exists);
1911				}
1912			} catch (Exception e) {
1913				e.printStackTrace();
1914				callback.informUser(R.string.unable_to_parse_certificate);
1915			}
1916		}).start();
1917
1918	}
1919
1920	public void updateKeyInAccount(final Account account, final String alias) {
1921		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": update key in account " + alias);
1922		try {
1923			X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1924			Log.d(Config.LOGTAG, account.getJid().asBareJid() + " loaded certificate chain");
1925			Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1926			if (info == null) {
1927				showErrorToastInUi(R.string.certificate_does_not_contain_jid);
1928				return;
1929			}
1930			if (account.getJid().asBareJid().equals(info.first)) {
1931				account.setPrivateKeyAlias(alias);
1932				account.setDisplayName(info.second);
1933				databaseBackend.updateAccount(account);
1934				if (Config.X509_VERIFICATION) {
1935					try {
1936						getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
1937					} catch (CertificateException e) {
1938						showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
1939					}
1940					account.getAxolotlService().regenerateKeys(true);
1941				}
1942			} else {
1943				showErrorToastInUi(R.string.jid_does_not_match_certificate);
1944			}
1945		} catch (Exception e) {
1946			e.printStackTrace();
1947		}
1948	}
1949
1950	public boolean updateAccount(final Account account) {
1951		if (databaseBackend.updateAccount(account)) {
1952			account.setShowErrorNotification(true);
1953			this.statusListener.onStatusChanged(account);
1954			databaseBackend.updateAccount(account);
1955			reconnectAccountInBackground(account);
1956			updateAccountUi();
1957			getNotificationService().updateErrorNotification();
1958			toggleForegroundService();
1959			syncEnabledAccountSetting();
1960			return true;
1961		} else {
1962			return false;
1963		}
1964	}
1965
1966	public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
1967		final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
1968		sendIqPacket(account, iq, (a, packet) -> {
1969			if (packet.getType() == IqPacket.TYPE.RESULT) {
1970				a.setPassword(newPassword);
1971				a.setOption(Account.OPTION_MAGIC_CREATE, false);
1972				databaseBackend.updateAccount(a);
1973				callback.onPasswordChangeSucceeded();
1974			} else {
1975				callback.onPasswordChangeFailed();
1976			}
1977		});
1978	}
1979
1980	public void deleteAccount(final Account account) {
1981		synchronized (this.conversations) {
1982			for (final Conversation conversation : conversations) {
1983				if (conversation.getAccount() == account) {
1984					if (conversation.getMode() == Conversation.MODE_MULTI) {
1985						leaveMuc(conversation);
1986					}
1987					conversations.remove(conversation);
1988				}
1989			}
1990			if (account.getXmppConnection() != null) {
1991				new Thread(() -> disconnect(account, true)).start();
1992			}
1993			final Runnable runnable = () -> {
1994				if (!databaseBackend.deleteAccount(account)) {
1995					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to delete account");
1996				}
1997			};
1998			mDatabaseWriterExecutor.execute(runnable);
1999			this.accounts.remove(account);
2000			this.mRosterSyncTaskManager.clear(account);
2001			updateAccountUi();
2002			getNotificationService().updateErrorNotification();
2003			syncEnabledAccountSetting();
2004			toggleForegroundService();
2005		}
2006	}
2007
2008	public void setOnConversationListChangedListener(OnConversationUpdate listener) {
2009		final boolean remainingListeners;
2010		synchronized (LISTENER_LOCK) {
2011			remainingListeners = checkListeners();
2012			if (!this.mOnConversationUpdates.add(listener)) {
2013				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as ConversationListChangedListener");
2014			}
2015			this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2016		}
2017		if (remainingListeners) {
2018			switchToForeground();
2019		}
2020	}
2021
2022	public void removeOnConversationListChangedListener(OnConversationUpdate listener) {
2023		final boolean remainingListeners;
2024		synchronized (LISTENER_LOCK) {
2025			this.mOnConversationUpdates.remove(listener);
2026			this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2027			remainingListeners = checkListeners();
2028		}
2029		if (remainingListeners) {
2030			switchToBackground();
2031		}
2032	}
2033
2034	public void setOnShowErrorToastListener(OnShowErrorToast listener) {
2035		final boolean remainingListeners;
2036		synchronized (LISTENER_LOCK) {
2037			remainingListeners = checkListeners();
2038			if (!this.mOnShowErrorToasts.add(listener)) {
2039				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnShowErrorToastListener");
2040			}
2041		}
2042		if (remainingListeners) {
2043			switchToForeground();
2044		}
2045	}
2046
2047	public void removeOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
2048		final boolean remainingListeners;
2049		synchronized (LISTENER_LOCK) {
2050			this.mOnShowErrorToasts.remove(onShowErrorToast);
2051			remainingListeners = checkListeners();
2052		}
2053		if (remainingListeners) {
2054			switchToBackground();
2055		}
2056	}
2057
2058	public void setOnAccountListChangedListener(OnAccountUpdate listener) {
2059		final boolean remainingListeners;
2060		synchronized (LISTENER_LOCK) {
2061			remainingListeners = checkListeners();
2062			if (!this.mOnAccountUpdates.add(listener)) {
2063				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnAccountListChangedtListener");
2064			}
2065		}
2066		if (remainingListeners) {
2067			switchToForeground();
2068		}
2069	}
2070
2071	public void removeOnAccountListChangedListener(OnAccountUpdate listener) {
2072		final boolean remainingListeners;
2073		synchronized (LISTENER_LOCK) {
2074			this.mOnAccountUpdates.remove(listener);
2075			remainingListeners = checkListeners();
2076		}
2077		if (remainingListeners) {
2078			switchToBackground();
2079		}
2080	}
2081
2082	public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2083		final boolean remainingListeners;
2084		synchronized (LISTENER_LOCK) {
2085			remainingListeners = checkListeners();
2086			if (!this.mOnCaptchaRequested.add(listener)) {
2087				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnCaptchaRequestListener");
2088			}
2089		}
2090		if (remainingListeners) {
2091			switchToForeground();
2092		}
2093	}
2094
2095	public void removeOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2096		final boolean remainingListeners;
2097		synchronized (LISTENER_LOCK) {
2098			this.mOnCaptchaRequested.remove(listener);
2099			remainingListeners = checkListeners();
2100		}
2101		if (remainingListeners) {
2102			switchToBackground();
2103		}
2104	}
2105
2106	public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
2107		final boolean remainingListeners;
2108		synchronized (LISTENER_LOCK) {
2109			remainingListeners = checkListeners();
2110			if (!this.mOnRosterUpdates.add(listener)) {
2111				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnRosterUpdateListener");
2112			}
2113		}
2114		if (remainingListeners) {
2115			switchToForeground();
2116		}
2117	}
2118
2119	public void removeOnRosterUpdateListener(final OnRosterUpdate listener) {
2120		final boolean remainingListeners;
2121		synchronized (LISTENER_LOCK) {
2122			this.mOnRosterUpdates.remove(listener);
2123			remainingListeners = checkListeners();
2124		}
2125		if (remainingListeners) {
2126			switchToBackground();
2127		}
2128	}
2129
2130	public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2131		final boolean remainingListeners;
2132		synchronized (LISTENER_LOCK) {
2133			remainingListeners = checkListeners();
2134			if (!this.mOnUpdateBlocklist.add(listener)) {
2135				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnUpdateBlocklistListener");
2136			}
2137		}
2138		if (remainingListeners) {
2139			switchToForeground();
2140		}
2141	}
2142
2143	public void removeOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2144		final boolean remainingListeners;
2145		synchronized (LISTENER_LOCK) {
2146			this.mOnUpdateBlocklist.remove(listener);
2147			remainingListeners = checkListeners();
2148		}
2149		if (remainingListeners) {
2150			switchToBackground();
2151		}
2152	}
2153
2154	public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
2155		final boolean remainingListeners;
2156		synchronized (LISTENER_LOCK) {
2157			remainingListeners = checkListeners();
2158			if (!this.mOnKeyStatusUpdated.add(listener)) {
2159				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnKeyStatusUpdateListener");
2160			}
2161		}
2162		if (remainingListeners) {
2163			switchToForeground();
2164		}
2165	}
2166
2167	public void removeOnNewKeysAvailableListener(final OnKeyStatusUpdated listener) {
2168		final boolean remainingListeners;
2169		synchronized (LISTENER_LOCK) {
2170			this.mOnKeyStatusUpdated.remove(listener);
2171			remainingListeners = checkListeners();
2172		}
2173		if (remainingListeners) {
2174			switchToBackground();
2175		}
2176	}
2177
2178	public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
2179		final boolean remainingListeners;
2180		synchronized (LISTENER_LOCK) {
2181			remainingListeners = checkListeners();
2182			if (!this.mOnMucRosterUpdate.add(listener)) {
2183				Log.w(Config.LOGTAG,listener.getClass().getName()+" is already registered as OnMucRosterListener");
2184			}
2185		}
2186		if (remainingListeners) {
2187			switchToForeground();
2188		}
2189	}
2190
2191	public void removeOnMucRosterUpdateListener(final OnMucRosterUpdate listener) {
2192		final boolean remainingListeners;
2193		synchronized (LISTENER_LOCK) {
2194			this.mOnMucRosterUpdate.remove(listener);
2195			remainingListeners = checkListeners();
2196		}
2197		if (remainingListeners) {
2198			switchToBackground();
2199		}
2200	}
2201
2202	public boolean checkListeners() {
2203		return (this.mOnAccountUpdates.size() == 0
2204				&& this.mOnConversationUpdates.size() == 0
2205				&& this.mOnRosterUpdates.size() == 0
2206				&& this.mOnCaptchaRequested.size() == 0
2207				&& this.mOnMucRosterUpdate.size() == 0
2208				&& this.mOnUpdateBlocklist.size() == 0
2209				&& this.mOnShowErrorToasts.size() == 0
2210				&& this.mOnKeyStatusUpdated.size() == 0);
2211	}
2212
2213	private void switchToForeground() {
2214		final boolean broadcastLastActivity = broadcastLastActivity();
2215		for (Conversation conversation : getConversations()) {
2216			if (conversation.getMode() == Conversation.MODE_MULTI) {
2217				conversation.getMucOptions().resetChatState();
2218			} else {
2219				conversation.setIncomingChatState(Config.DEFAULT_CHATSTATE);
2220			}
2221		}
2222		for (Account account : getAccounts()) {
2223			if (account.getStatus() == Account.State.ONLINE) {
2224				account.deactivateGracePeriod();
2225				final XmppConnection connection = account.getXmppConnection();
2226				if (connection != null) {
2227					if (connection.getFeatures().csi()) {
2228						connection.sendActive();
2229					}
2230					if (broadcastLastActivity) {
2231						sendPresence(account, false); //send new presence but don't include idle because we are not
2232					}
2233				}
2234			}
2235		}
2236		Log.d(Config.LOGTAG, "app switched into foreground");
2237	}
2238
2239	private void switchToBackground() {
2240		final boolean broadcastLastActivity = broadcastLastActivity();
2241		if (broadcastLastActivity) {
2242			mLastActivity = System.currentTimeMillis();
2243			final SharedPreferences.Editor editor = getPreferences().edit();
2244			editor.putLong(SETTING_LAST_ACTIVITY_TS, mLastActivity);
2245			editor.apply();
2246		}
2247		for (Account account : getAccounts()) {
2248			if (account.getStatus() == Account.State.ONLINE) {
2249				XmppConnection connection = account.getXmppConnection();
2250				if (connection != null) {
2251					if (broadcastLastActivity) {
2252						sendPresence(account, true);
2253					}
2254					if (connection.getFeatures().csi()) {
2255						connection.sendInactive();
2256					}
2257				}
2258			}
2259		}
2260		this.mNotificationService.setIsInForeground(false);
2261		Log.d(Config.LOGTAG, "app switched into background");
2262	}
2263
2264	private void connectMultiModeConversations(Account account) {
2265		List<Conversation> conversations = getConversations();
2266		for (Conversation conversation : conversations) {
2267			if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
2268				joinMuc(conversation);
2269			}
2270		}
2271	}
2272
2273	public void joinMuc(Conversation conversation) {
2274		joinMuc(conversation, null, false);
2275	}
2276
2277	public void joinMuc(Conversation conversation, boolean followedInvite) {
2278		joinMuc(conversation, null, followedInvite);
2279	}
2280
2281	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2282		joinMuc(conversation, onConferenceJoined, false);
2283	}
2284
2285	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined, final boolean followedInvite) {
2286		Account account = conversation.getAccount();
2287		account.pendingConferenceJoins.remove(conversation);
2288		account.pendingConferenceLeaves.remove(conversation);
2289		if (account.getStatus() == Account.State.ONLINE) {
2290			sendPresencePacket(account, mPresenceGenerator.leave(conversation.getMucOptions()));
2291			conversation.resetMucOptions();
2292			if (onConferenceJoined != null) {
2293				conversation.getMucOptions().flagNoAutoPushConfiguration();
2294			}
2295			conversation.setHasMessagesLeftOnServer(false);
2296			fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
2297
2298				private void join(Conversation conversation) {
2299					Account account = conversation.getAccount();
2300					final MucOptions mucOptions = conversation.getMucOptions();
2301					final Jid joinJid = mucOptions.getSelf().getFullJid();
2302					Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": joining conversation " + joinJid.toString());
2303					PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous() || onConferenceJoined != null);
2304					packet.setTo(joinJid);
2305					Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
2306					if (conversation.getMucOptions().getPassword() != null) {
2307						x.addChild("password").setContent(mucOptions.getPassword());
2308					}
2309
2310					if (mucOptions.mamSupport()) {
2311						// Use MAM instead of the limited muc history to get history
2312						x.addChild("history").setAttribute("maxchars", "0");
2313					} else {
2314						// Fallback to muc history
2315						x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted().getTimestamp()));
2316					}
2317					sendPresencePacket(account, packet);
2318					if (onConferenceJoined != null) {
2319						onConferenceJoined.onConferenceJoined(conversation);
2320					}
2321					if (!joinJid.equals(conversation.getJid())) {
2322						conversation.setContactJid(joinJid);
2323						databaseBackend.updateConversation(conversation);
2324					}
2325
2326					if (mucOptions.mamSupport()) {
2327						getMessageArchiveService().catchupMUC(conversation);
2328					}
2329					if (mucOptions.isPrivateAndNonAnonymous()) {
2330						fetchConferenceMembers(conversation);
2331						if (followedInvite && conversation.getBookmark() == null) {
2332							saveConversationAsBookmark(conversation, null);
2333						}
2334					}
2335					sendUnsentMessages(conversation);
2336				}
2337
2338				@Override
2339				public void onConferenceConfigurationFetched(Conversation conversation) {
2340					join(conversation);
2341				}
2342
2343				@Override
2344				public void onFetchFailed(final Conversation conversation, Element error) {
2345					if (error != null && "remote-server-not-found".equals(error.getName())) {
2346						conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
2347						updateConversationUi();
2348					} else {
2349						join(conversation);
2350						fetchConferenceConfiguration(conversation);
2351					}
2352				}
2353			});
2354			updateConversationUi();
2355		} else {
2356			account.pendingConferenceJoins.add(conversation);
2357			conversation.resetMucOptions();
2358			conversation.setHasMessagesLeftOnServer(false);
2359			updateConversationUi();
2360		}
2361	}
2362
2363	private void fetchConferenceMembers(final Conversation conversation) {
2364		final Account account = conversation.getAccount();
2365		final AxolotlService axolotlService = account.getAxolotlService();
2366		final String[] affiliations = {"member", "admin", "owner"};
2367		OnIqPacketReceived callback = new OnIqPacketReceived() {
2368
2369			private int i = 0;
2370			private boolean success = true;
2371
2372			@Override
2373			public void onIqPacketReceived(Account account, IqPacket packet) {
2374				final boolean omemoEnabled = conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL;
2375				Element query = packet.query("http://jabber.org/protocol/muc#admin");
2376				if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2377					for (Element child : query.getChildren()) {
2378						if ("item".equals(child.getName())) {
2379							MucOptions.User user = AbstractParser.parseItem(conversation, child);
2380							if (!user.realJidMatchesAccount()) {
2381								boolean isNew = conversation.getMucOptions().updateUser(user);
2382								Contact contact = user.getContact();
2383								if (omemoEnabled
2384										&& isNew
2385										&& user.getRealJid() != null
2386										&& (contact == null || !contact.mutualPresenceSubscription())
2387										&& axolotlService.hasEmptyDeviceList(user.getRealJid())) {
2388									axolotlService.fetchDeviceIds(user.getRealJid());
2389								}
2390							}
2391						}
2392					}
2393				} else {
2394					success = false;
2395					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not request affiliation " + affiliations[i] + " in " + conversation.getJid().asBareJid());
2396				}
2397				++i;
2398				if (i >= affiliations.length) {
2399					List<Jid> members = conversation.getMucOptions().getMembers(true);
2400					if (success) {
2401						List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
2402						boolean changed = false;
2403						for (ListIterator<Jid> iterator = cryptoTargets.listIterator(); iterator.hasNext(); ) {
2404							Jid jid = iterator.next();
2405							if (!members.contains(jid) && !members.contains(Jid.ofDomain(jid.getDomain()))) {
2406								iterator.remove();
2407								Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
2408								changed = true;
2409							}
2410						}
2411						if (changed) {
2412							conversation.setAcceptedCryptoTargets(cryptoTargets);
2413							updateConversation(conversation);
2414						}
2415					}
2416					getAvatarService().clear(conversation);
2417					updateMucRosterUi();
2418					updateConversationUi();
2419				}
2420			}
2421		};
2422		for (String affiliation : affiliations) {
2423			sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
2424		}
2425		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching members for " + conversation.getName());
2426	}
2427
2428	public void providePasswordForMuc(Conversation conversation, String password) {
2429		if (conversation.getMode() == Conversation.MODE_MULTI) {
2430			conversation.getMucOptions().setPassword(password);
2431			if (conversation.getBookmark() != null) {
2432				if (respectAutojoin()) {
2433					conversation.getBookmark().setAutojoin(true);
2434				}
2435				pushBookmarks(conversation.getAccount());
2436			}
2437			updateConversation(conversation);
2438			joinMuc(conversation);
2439		}
2440	}
2441
2442	private boolean hasEnabledAccounts() {
2443		for (Account account : this.accounts) {
2444			if (account.isEnabled()) {
2445				return true;
2446			}
2447		}
2448		return false;
2449	}
2450
2451
2452	public void getAttachments(final Conversation conversation, int limit, final OnMediaLoaded onMediaLoaded) {
2453        getAttachments(conversation.getAccount(), conversation.getJid().asBareJid(), limit, onMediaLoaded);
2454    }
2455
2456    public void getAttachments(final Account account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
2457        getAttachments(account.getUuid(),jid.asBareJid(),limit, onMediaLoaded);
2458    }
2459
2460
2461	public void getAttachments(final String account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
2462        new Thread(() -> onMediaLoaded.onMediaLoaded(fileBackend.convertToAttachments(databaseBackend.getRelativeFilePaths(account, jid, limit)))).start();
2463    }
2464
2465	public void persistSelfNick(MucOptions.User self) {
2466		final Conversation conversation = self.getConversation();
2467		final boolean tookProposedNickFromBookmark = conversation.getMucOptions().isTookProposedNickFromBookmark();
2468		Jid full = self.getFullJid();
2469		if (!full.equals(conversation.getJid())) {
2470			Log.d(Config.LOGTAG, "nick changed. updating");
2471			conversation.setContactJid(full);
2472			databaseBackend.updateConversation(conversation);
2473		}
2474
2475		final Bookmark bookmark = conversation.getBookmark();
2476		final String bookmarkedNick = bookmark == null ? null : bookmark.getNick();
2477        if (bookmark != null && (tookProposedNickFromBookmark || TextUtils.isEmpty(bookmarkedNick)) && !full.getResource().equals(bookmarkedNick)) {
2478            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": persist nick '" + full.getResource() + "' into bookmark for " + conversation.getJid().asBareJid());
2479            bookmark.setNick(full.getResource());
2480            pushBookmarks(bookmark.getAccount());
2481        }
2482	}
2483
2484	public boolean renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
2485		final MucOptions options = conversation.getMucOptions();
2486		final Jid joinJid = options.createJoinJid(nick);
2487		if (joinJid == null) {
2488			return false;
2489		}
2490		if (options.online()) {
2491			Account account = conversation.getAccount();
2492			options.setOnRenameListener(new OnRenameListener() {
2493
2494				@Override
2495				public void onSuccess() {
2496					callback.success(conversation);
2497				}
2498
2499				@Override
2500				public void onFailure() {
2501					callback.error(R.string.nick_in_use, conversation);
2502				}
2503			});
2504
2505			PresencePacket packet = new PresencePacket();
2506			packet.setTo(joinJid);
2507			packet.setFrom(conversation.getAccount().getJid());
2508
2509			String sig = account.getPgpSignature();
2510			if (sig != null) {
2511				packet.addChild("status").setContent("online");
2512				packet.addChild("x", "jabber:x:signed").setContent(sig);
2513			}
2514			sendPresencePacket(account, packet);
2515		} else {
2516			conversation.setContactJid(joinJid);
2517			databaseBackend.updateConversation(conversation);
2518			if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2519				Bookmark bookmark = conversation.getBookmark();
2520				if (bookmark != null) {
2521					bookmark.setNick(nick);
2522					pushBookmarks(bookmark.getAccount());
2523				}
2524				joinMuc(conversation);
2525			}
2526		}
2527		return true;
2528	}
2529
2530	public void leaveMuc(Conversation conversation) {
2531		leaveMuc(conversation, false);
2532	}
2533
2534	private void leaveMuc(Conversation conversation, boolean now) {
2535		Account account = conversation.getAccount();
2536		account.pendingConferenceJoins.remove(conversation);
2537		account.pendingConferenceLeaves.remove(conversation);
2538		if (account.getStatus() == Account.State.ONLINE || now) {
2539			sendPresencePacket(conversation.getAccount(), mPresenceGenerator.leave(conversation.getMucOptions()));
2540			conversation.getMucOptions().setOffline();
2541			Bookmark bookmark = conversation.getBookmark();
2542			if (bookmark != null) {
2543				bookmark.setConversation(null);
2544			}
2545			Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": leaving muc " + conversation.getJid());
2546		} else {
2547			account.pendingConferenceLeaves.add(conversation);
2548		}
2549	}
2550
2551	public String findConferenceServer(final Account account) {
2552		String server;
2553		if (account.getXmppConnection() != null) {
2554			server = account.getXmppConnection().getMucServer();
2555			if (server != null) {
2556				return server;
2557			}
2558		}
2559		for (Account other : getAccounts()) {
2560			if (other != account && other.getXmppConnection() != null) {
2561				server = other.getXmppConnection().getMucServer();
2562				if (server != null) {
2563					return server;
2564				}
2565			}
2566		}
2567		return null;
2568	}
2569
2570	public boolean createAdhocConference(final Account account,
2571	                                     final String name,
2572	                                     final Iterable<Jid> jids,
2573	                                     final UiCallback<Conversation> callback) {
2574		Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": creating adhoc conference with " + jids.toString());
2575		if (account.getStatus() == Account.State.ONLINE) {
2576			try {
2577				String server = findConferenceServer(account);
2578				if (server == null) {
2579					if (callback != null) {
2580						callback.error(R.string.no_conference_server_found, null);
2581					}
2582					return false;
2583				}
2584				final Jid jid = Jid.of(CryptoHelper.pronounceable(getRNG()), server, null);
2585				final Conversation conversation = findOrCreateConversation(account, jid, true, false, true);
2586				joinMuc(conversation, new OnConferenceJoined() {
2587					@Override
2588					public void onConferenceJoined(final Conversation conversation) {
2589						final Bundle configuration = IqGenerator.defaultRoomConfiguration();
2590						if (!TextUtils.isEmpty(name)) {
2591							configuration.putString("muc#roomconfig_roomname", name);
2592						}
2593						pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
2594							@Override
2595							public void onPushSucceeded() {
2596								for (Jid invite : jids) {
2597									invite(conversation, invite);
2598								}
2599								if (account.countPresences() > 1) {
2600									directInvite(conversation, account.getJid().asBareJid());
2601								}
2602								saveConversationAsBookmark(conversation, name);
2603								if (callback != null) {
2604									callback.success(conversation);
2605								}
2606							}
2607
2608							@Override
2609							public void onPushFailed() {
2610								archiveConversation(conversation);
2611								if (callback != null) {
2612									callback.error(R.string.conference_creation_failed, conversation);
2613								}
2614							}
2615						});
2616					}
2617				});
2618				return true;
2619			} catch (IllegalArgumentException e) {
2620				if (callback != null) {
2621					callback.error(R.string.conference_creation_failed, null);
2622				}
2623				return false;
2624			}
2625		} else {
2626			if (callback != null) {
2627				callback.error(R.string.not_connected_try_again, null);
2628			}
2629			return false;
2630		}
2631	}
2632
2633	public void fetchConferenceConfiguration(final Conversation conversation) {
2634		fetchConferenceConfiguration(conversation, null);
2635	}
2636
2637	public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
2638		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2639		request.setTo(conversation.getJid().asBareJid());
2640		request.query("http://jabber.org/protocol/disco#info");
2641		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2642			@Override
2643			public void onIqPacketReceived(Account account, IqPacket packet) {
2644				if (packet.getType() == IqPacket.TYPE.RESULT) {
2645
2646					final MucOptions mucOptions = conversation.getMucOptions();
2647					final Bookmark bookmark = conversation.getBookmark();
2648					final boolean sameBefore = StringUtils.equals(bookmark == null ? null : bookmark.getBookmarkName(), mucOptions.getName());
2649
2650					if (mucOptions.updateConfiguration(new ServiceDiscoveryResult(packet))) {
2651						Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": muc configuration changed for " + conversation.getJid().asBareJid());
2652						updateConversation(conversation);
2653					}
2654
2655					if (bookmark != null && (sameBefore || bookmark.getBookmarkName() == null)) {
2656						if (bookmark.setBookmarkName(StringUtils.nullOnEmpty(mucOptions.getName()))) {
2657							pushBookmarks(account);
2658						}
2659					}
2660
2661
2662					if (callback != null) {
2663						callback.onConferenceConfigurationFetched(conversation);
2664					}
2665
2666
2667
2668					updateConversationUi();
2669				} else if (packet.getType() == IqPacket.TYPE.ERROR) {
2670					if (callback != null) {
2671						callback.onFetchFailed(conversation, packet.getError());
2672					}
2673				}
2674			}
2675		});
2676	}
2677
2678	public void pushNodeConfiguration(Account account, final String node, final Bundle options, final OnConfigurationPushed callback) {
2679		pushNodeConfiguration(account, account.getJid().asBareJid(), node, options, callback);
2680	}
2681
2682	public void pushNodeConfiguration(Account account, final Jid jid, final String node, final Bundle options, final OnConfigurationPushed callback) {
2683        Log.d(Config.LOGTAG,"pushing node configuration");
2684		sendIqPacket(account, mIqGenerator.requestPubsubConfiguration(jid, node), new OnIqPacketReceived() {
2685			@Override
2686			public void onIqPacketReceived(Account account, IqPacket packet) {
2687				if (packet.getType() == IqPacket.TYPE.RESULT) {
2688					Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub#owner");
2689					Element configuration = pubsub == null ? null : pubsub.findChild("configure");
2690					Element x = configuration == null ? null : configuration.findChild("x", Namespace.DATA);
2691					if (x != null) {
2692						Data data = Data.parse(x);
2693						data.submit(options);
2694						sendIqPacket(account, mIqGenerator.publishPubsubConfiguration(jid, node, data), new OnIqPacketReceived() {
2695							@Override
2696							public void onIqPacketReceived(Account account, IqPacket packet) {
2697								if (packet.getType() == IqPacket.TYPE.RESULT && callback != null) {
2698									Log.d(Config.LOGTAG,account.getJid().asBareJid()+": successfully changed node configuration for node "+node);
2699									callback.onPushSucceeded();
2700								} else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
2701									callback.onPushFailed();
2702								}
2703							}
2704						});
2705					} else if (callback != null) {
2706						callback.onPushFailed();
2707					}
2708				} else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
2709					callback.onPushFailed();
2710				}
2711			}
2712		});
2713	}
2714
2715	public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConfigurationPushed callback) {
2716		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2717		request.setTo(conversation.getJid().asBareJid());
2718		request.query("http://jabber.org/protocol/muc#owner");
2719		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2720			@Override
2721			public void onIqPacketReceived(Account account, IqPacket packet) {
2722				if (packet.getType() == IqPacket.TYPE.RESULT) {
2723					Data data = Data.parse(packet.query().findChild("x", Namespace.DATA));
2724					data.submit(options);
2725					IqPacket set = new IqPacket(IqPacket.TYPE.SET);
2726					set.setTo(conversation.getJid().asBareJid());
2727					set.query("http://jabber.org/protocol/muc#owner").addChild(data);
2728					sendIqPacket(account, set, new OnIqPacketReceived() {
2729						@Override
2730						public void onIqPacketReceived(Account account, IqPacket packet) {
2731							if (callback != null) {
2732								if (packet.getType() == IqPacket.TYPE.RESULT) {
2733									callback.onPushSucceeded();
2734								} else {
2735									callback.onPushFailed();
2736								}
2737							}
2738						}
2739					});
2740				} else {
2741					if (callback != null) {
2742						callback.onPushFailed();
2743					}
2744				}
2745			}
2746		});
2747	}
2748
2749	public void pushSubjectToConference(final Conversation conference, final String subject) {
2750		MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, StringUtils.nullOnEmpty(subject));
2751		this.sendMessagePacket(conference.getAccount(), packet);
2752	}
2753
2754	public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
2755		final Jid jid = user.asBareJid();
2756		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
2757		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2758			@Override
2759			public void onIqPacketReceived(Account account, IqPacket packet) {
2760				if (packet.getType() == IqPacket.TYPE.RESULT) {
2761					conference.getMucOptions().changeAffiliation(jid, affiliation);
2762					getAvatarService().clear(conference);
2763					callback.onAffiliationChangedSuccessful(jid);
2764				} else {
2765					callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
2766				}
2767			}
2768		});
2769	}
2770
2771	public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
2772		List<Jid> jids = new ArrayList<>();
2773		for (MucOptions.User user : conference.getMucOptions().getUsers()) {
2774			if (user.getAffiliation() == before && user.getRealJid() != null) {
2775				jids.add(user.getRealJid());
2776			}
2777		}
2778		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
2779		sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
2780	}
2781
2782	public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role, final OnRoleChanged callback) {
2783		IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
2784		Log.d(Config.LOGTAG, request.toString());
2785		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2786			@Override
2787			public void onIqPacketReceived(Account account, IqPacket packet) {
2788				Log.d(Config.LOGTAG, packet.toString());
2789				if (packet.getType() == IqPacket.TYPE.RESULT) {
2790					callback.onRoleChangedSuccessful(nick);
2791				} else {
2792					callback.onRoleChangeFailed(nick, R.string.could_not_change_role);
2793				}
2794			}
2795		});
2796	}
2797
2798	private void disconnect(Account account, boolean force) {
2799		if ((account.getStatus() == Account.State.ONLINE)
2800				|| (account.getStatus() == Account.State.DISABLED)) {
2801			final XmppConnection connection = account.getXmppConnection();
2802			if (!force) {
2803				List<Conversation> conversations = getConversations();
2804				for (Conversation conversation : conversations) {
2805					if (conversation.getAccount() == account) {
2806						if (conversation.getMode() == Conversation.MODE_MULTI) {
2807							leaveMuc(conversation, true);
2808						}
2809					}
2810				}
2811				sendOfflinePresence(account);
2812			}
2813			connection.disconnect(force);
2814		}
2815	}
2816
2817	@Override
2818	public IBinder onBind(Intent intent) {
2819		return mBinder;
2820	}
2821
2822	public void updateMessage(Message message) {
2823		updateMessage(message, true);
2824	}
2825
2826	public void updateMessage(Message message, boolean includeBody) {
2827		databaseBackend.updateMessage(message, includeBody);
2828		updateConversationUi();
2829	}
2830
2831	public void updateMessage(Message message, String uuid) {
2832		if (!databaseBackend.updateMessage(message, uuid)) {
2833            Log.e(Config.LOGTAG,"error updated message in DB after edit");
2834        }
2835		updateConversationUi();
2836	}
2837
2838	protected void syncDirtyContacts(Account account) {
2839		for (Contact contact : account.getRoster().getContacts()) {
2840			if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
2841				pushContactToServer(contact);
2842			}
2843			if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
2844				deleteContactOnServer(contact);
2845			}
2846		}
2847	}
2848
2849	public void createContact(Contact contact, boolean autoGrant) {
2850		if (autoGrant) {
2851			contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
2852			contact.setOption(Contact.Options.ASKING);
2853		}
2854		pushContactToServer(contact);
2855	}
2856
2857	public void pushContactToServer(final Contact contact) {
2858		contact.resetOption(Contact.Options.DIRTY_DELETE);
2859		contact.setOption(Contact.Options.DIRTY_PUSH);
2860		final Account account = contact.getAccount();
2861		if (account.getStatus() == Account.State.ONLINE) {
2862			final boolean ask = contact.getOption(Contact.Options.ASKING);
2863			final boolean sendUpdates = contact
2864					.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
2865					&& contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
2866			final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2867			iq.query(Namespace.ROSTER).addChild(contact.asElement());
2868			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2869			if (sendUpdates) {
2870				sendPresencePacket(account, mPresenceGenerator.sendPresenceUpdatesTo(contact));
2871			}
2872			if (ask) {
2873				sendPresencePacket(account, mPresenceGenerator.requestPresenceUpdatesFrom(contact));
2874			}
2875		} else {
2876			syncRoster(contact.getAccount());
2877		}
2878	}
2879
2880	public void publishMucAvatar(final Conversation conversation, final Uri image, final OnAvatarPublication callback) {
2881		new Thread(() -> {
2882			final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
2883			final int size = Config.AVATAR_SIZE;
2884			final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
2885			if (avatar != null) {
2886				if (!getFileBackend().save(avatar)) {
2887					callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
2888					return;
2889				}
2890				avatar.owner = conversation.getJid().asBareJid();
2891				publishMucAvatar(conversation, avatar, callback);
2892			} else {
2893				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
2894			}
2895		}).start();
2896	}
2897
2898	public void publishAvatar(final Account account, final Uri image, final OnAvatarPublication callback) {
2899		new Thread(() -> {
2900			final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
2901			final int size = Config.AVATAR_SIZE;
2902			final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
2903			if (avatar != null) {
2904				if (!getFileBackend().save(avatar)) {
2905					Log.d(Config.LOGTAG,"unable to save vcard");
2906					callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
2907					return;
2908				}
2909				publishAvatar(account, avatar, callback);
2910			} else {
2911				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
2912			}
2913		}).start();
2914
2915	}
2916
2917	private void publishMucAvatar(Conversation conversation, Avatar avatar, OnAvatarPublication callback) {
2918		final IqPacket retrieve = mIqGenerator.retrieveVcardAvatar(avatar);
2919		sendIqPacket(conversation.getAccount(), retrieve, (account, response) -> {
2920			boolean itemNotFound = response.getType() == IqPacket.TYPE.ERROR && response.hasChild("error") && response.findChild("error").hasChild("item-not-found");
2921			if (response.getType() == IqPacket.TYPE.RESULT || itemNotFound) {
2922				Element vcard = response.findChild("vCard", "vcard-temp");
2923				if (vcard == null) {
2924					vcard = new Element("vCard", "vcard-temp");
2925				}
2926				Element photo = vcard.findChild("PHOTO");
2927				if (photo == null) {
2928					photo = vcard.addChild("PHOTO");
2929				}
2930				photo.clearChildren();
2931				photo.addChild("TYPE").setContent(avatar.type);
2932				photo.addChild("BINVAL").setContent(avatar.image);
2933				IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
2934				publication.setTo(conversation.getJid().asBareJid());
2935				publication.addChild(vcard);
2936				sendIqPacket(account, publication, (a1, publicationResponse) -> {
2937					if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
2938						callback.onAvatarPublicationSucceeded();
2939					} else {
2940						Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getError());
2941						callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
2942					}
2943				});
2944			} else {
2945				Log.d(Config.LOGTAG, "failed to request vcard " + response.toString());
2946				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_no_server_support);
2947			}
2948		});
2949	}
2950
2951    public void publishAvatar(Account account, final Avatar avatar, final OnAvatarPublication callback) {
2952        final Bundle options;
2953        if (account.getXmppConnection().getFeatures().pepPublishOptions()) {
2954            options = PublishOptions.openAccess();
2955        } else {
2956            options = null;
2957        }
2958        publishAvatar(account, avatar, options, true, callback);
2959    }
2960
2961	public void publishAvatar(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
2962        Log.d(Config.LOGTAG,account.getJid().asBareJid()+": publishing avatar. options="+options);
2963		IqPacket packet = this.mIqGenerator.publishAvatar(avatar, options);
2964		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2965
2966			@Override
2967			public void onIqPacketReceived(Account account, IqPacket result) {
2968				if (result.getType() == IqPacket.TYPE.RESULT) {
2969                    publishAvatarMetadata(account, avatar, options,true, callback);
2970                } else if (retry && PublishOptions.preconditionNotMet(result)) {
2971				    pushNodeConfiguration(account, "urn:xmpp:avatar:data", options, new OnConfigurationPushed() {
2972                        @Override
2973                        public void onPushSucceeded() {
2974                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": changed node configuration for avatar node");
2975                            publishAvatar(account, avatar, options, false, callback);
2976                        }
2977
2978                        @Override
2979                        public void onPushFailed() {
2980                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to change node configuration for avatar node");
2981                            publishAvatar(account, avatar, null, false, callback);
2982                        }
2983                    });
2984				} else {
2985					Element error = result.findChild("error");
2986					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server rejected avatar " + (avatar.size / 1024) + "KiB " + (error != null ? error.toString() : ""));
2987					if (callback != null) {
2988						callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
2989					}
2990				}
2991			}
2992		});
2993	}
2994
2995	public void publishAvatarMetadata(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
2996        final IqPacket packet = XmppConnectionService.this.mIqGenerator.publishAvatarMetadata(avatar, options);
2997        sendIqPacket(account, packet, new OnIqPacketReceived() {
2998            @Override
2999            public void onIqPacketReceived(Account account, IqPacket result) {
3000                if (result.getType() == IqPacket.TYPE.RESULT) {
3001                    if (account.setAvatar(avatar.getFilename())) {
3002                        getAvatarService().clear(account);
3003                        databaseBackend.updateAccount(account);
3004                    }
3005                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": published avatar " + (avatar.size / 1024) + "KiB");
3006                    if (callback != null) {
3007                        callback.onAvatarPublicationSucceeded();
3008                    }
3009                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3010                    pushNodeConfiguration(account, "urn:xmpp:avatar:metadata", options, new OnConfigurationPushed() {
3011                        @Override
3012                        public void onPushSucceeded() {
3013                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": changed node configuration for avatar meta data node");
3014                            publishAvatarMetadata(account, avatar, options,false, callback);
3015                        }
3016
3017                        @Override
3018                        public void onPushFailed() {
3019                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to change node configuration for avatar meta data node");
3020                            publishAvatarMetadata(account, avatar,  null,false, callback);
3021                        }
3022                    });
3023                } else {
3024                    if (callback != null) {
3025                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3026                    }
3027                }
3028            }
3029        });
3030    }
3031
3032	public void republishAvatarIfNeeded(Account account) {
3033		if (account.getAxolotlService().isPepBroken()) {
3034			Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping republication of avatar because pep is broken");
3035			return;
3036		}
3037		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3038		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3039
3040			private Avatar parseAvatar(IqPacket packet) {
3041				Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3042				if (pubsub != null) {
3043					Element items = pubsub.findChild("items");
3044					if (items != null) {
3045						return Avatar.parseMetadata(items);
3046					}
3047				}
3048				return null;
3049			}
3050
3051			private boolean errorIsItemNotFound(IqPacket packet) {
3052				Element error = packet.findChild("error");
3053				return packet.getType() == IqPacket.TYPE.ERROR
3054						&& error != null
3055						&& error.hasChild("item-not-found");
3056			}
3057
3058			@Override
3059			public void onIqPacketReceived(Account account, IqPacket packet) {
3060				if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
3061					Avatar serverAvatar = parseAvatar(packet);
3062					if (serverAvatar == null && account.getAvatar() != null) {
3063						Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
3064						if (avatar != null) {
3065							Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar on server was null. republishing");
3066							publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
3067						} else {
3068							Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": error rereading avatar");
3069						}
3070					}
3071				}
3072			}
3073		});
3074	}
3075
3076	public void fetchAvatar(Account account, Avatar avatar) {
3077		fetchAvatar(account, avatar, null);
3078	}
3079
3080	public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3081		final String KEY = generateFetchKey(account, avatar);
3082		synchronized (this.mInProgressAvatarFetches) {
3083			if (!this.mInProgressAvatarFetches.contains(KEY)) {
3084				switch (avatar.origin) {
3085					case PEP:
3086						this.mInProgressAvatarFetches.add(KEY);
3087						fetchAvatarPep(account, avatar, callback);
3088						break;
3089					case VCARD:
3090						this.mInProgressAvatarFetches.add(KEY);
3091						fetchAvatarVcard(account, avatar, callback);
3092						break;
3093				}
3094			}
3095		}
3096	}
3097
3098	private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3099		IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
3100		sendIqPacket(account, packet, (a, result) -> {
3101			synchronized (mInProgressAvatarFetches) {
3102				mInProgressAvatarFetches.remove(generateFetchKey(a, avatar));
3103			}
3104			final String ERROR = a.getJid().asBareJid() + ": fetching avatar for " + avatar.owner + " failed ";
3105			if (result.getType() == IqPacket.TYPE.RESULT) {
3106				avatar.image = mIqParser.avatarData(result);
3107				if (avatar.image != null) {
3108					if (getFileBackend().save(avatar)) {
3109						if (a.getJid().asBareJid().equals(avatar.owner)) {
3110							if (a.setAvatar(avatar.getFilename())) {
3111								databaseBackend.updateAccount(a);
3112							}
3113							getAvatarService().clear(a);
3114							updateConversationUi();
3115							updateAccountUi();
3116						} else {
3117							Contact contact = a.getRoster().getContact(avatar.owner);
3118							if (contact.setAvatar(avatar)) {
3119								syncRoster(account);
3120								getAvatarService().clear(contact);
3121								updateConversationUi();
3122								updateRosterUi();
3123							}
3124						}
3125						if (callback != null) {
3126							callback.success(avatar);
3127						}
3128						Log.d(Config.LOGTAG, a.getJid().asBareJid()
3129								+ ": successfully fetched pep avatar for " + avatar.owner);
3130						return;
3131					}
3132				} else {
3133
3134					Log.d(Config.LOGTAG, ERROR + "(parsing error)");
3135				}
3136			} else {
3137				Element error = result.findChild("error");
3138				if (error == null) {
3139					Log.d(Config.LOGTAG, ERROR + "(server error)");
3140				} else {
3141					Log.d(Config.LOGTAG, ERROR + error.toString());
3142				}
3143			}
3144			if (callback != null) {
3145				callback.error(0, null);
3146			}
3147
3148		});
3149	}
3150
3151	private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3152		IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
3153		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3154			@Override
3155			public void onIqPacketReceived(Account account, IqPacket packet) {
3156				synchronized (mInProgressAvatarFetches) {
3157					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
3158				}
3159				if (packet.getType() == IqPacket.TYPE.RESULT) {
3160					Element vCard = packet.findChild("vCard", "vcard-temp");
3161					Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
3162					String image = photo != null ? photo.findChildContent("BINVAL") : null;
3163					if (image != null) {
3164						avatar.image = image;
3165						if (getFileBackend().save(avatar)) {
3166							Log.d(Config.LOGTAG, account.getJid().asBareJid()
3167									+ ": successfully fetched vCard avatar for " + avatar.owner);
3168							if (avatar.owner.isBareJid()) {
3169								if (account.getJid().asBareJid().equals(avatar.owner) && account.getAvatar() == null) {
3170									Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": had no avatar. replacing with vcard");
3171									account.setAvatar(avatar.getFilename());
3172									databaseBackend.updateAccount(account);
3173									getAvatarService().clear(account);
3174									updateAccountUi();
3175								} else {
3176									Contact contact = account.getRoster().getContact(avatar.owner);
3177									if (contact.setAvatar(avatar)) {
3178										syncRoster(account);
3179										getAvatarService().clear(contact);
3180										updateRosterUi();
3181									}
3182								}
3183								updateConversationUi();
3184							} else {
3185								Conversation conversation = find(account, avatar.owner.asBareJid());
3186								if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
3187									MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
3188									if (user != null) {
3189										if (user.setAvatar(avatar)) {
3190											getAvatarService().clear(user);
3191											updateConversationUi();
3192											updateMucRosterUi();
3193										}
3194										if (user.getRealJid() != null) {
3195										    Contact contact = account.getRoster().getContact(user.getRealJid());
3196										    if (contact.setAvatar(avatar)) {
3197                                                syncRoster(account);
3198                                                getAvatarService().clear(contact);
3199                                                updateRosterUi();
3200                                            }
3201                                        }
3202									}
3203								}
3204							}
3205						}
3206					}
3207				}
3208			}
3209		});
3210	}
3211
3212	public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
3213		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3214		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3215
3216			@Override
3217			public void onIqPacketReceived(Account account, IqPacket packet) {
3218				if (packet.getType() == IqPacket.TYPE.RESULT) {
3219					Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3220					if (pubsub != null) {
3221						Element items = pubsub.findChild("items");
3222						if (items != null) {
3223							Avatar avatar = Avatar.parseMetadata(items);
3224							if (avatar != null) {
3225								avatar.owner = account.getJid().asBareJid();
3226								if (fileBackend.isAvatarCached(avatar)) {
3227									if (account.setAvatar(avatar.getFilename())) {
3228										databaseBackend.updateAccount(account);
3229									}
3230									getAvatarService().clear(account);
3231									callback.success(avatar);
3232								} else {
3233									fetchAvatarPep(account, avatar, callback);
3234								}
3235								return;
3236							}
3237						}
3238					}
3239				}
3240				callback.error(0, null);
3241			}
3242		});
3243	}
3244
3245	public void deleteContactOnServer(Contact contact) {
3246		contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
3247		contact.resetOption(Contact.Options.DIRTY_PUSH);
3248		contact.setOption(Contact.Options.DIRTY_DELETE);
3249		Account account = contact.getAccount();
3250		if (account.getStatus() == Account.State.ONLINE) {
3251			IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3252			Element item = iq.query(Namespace.ROSTER).addChild("item");
3253			item.setAttribute("jid", contact.getJid().toString());
3254			item.setAttribute("subscription", "remove");
3255			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3256		}
3257	}
3258
3259	public void updateConversation(final Conversation conversation) {
3260		mDatabaseWriterExecutor.execute(() -> databaseBackend.updateConversation(conversation));
3261	}
3262
3263	private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
3264		synchronized (account) {
3265			XmppConnection connection = account.getXmppConnection();
3266			if (connection == null) {
3267				connection = createConnection(account);
3268				account.setXmppConnection(connection);
3269			}
3270			boolean hasInternet = hasInternetConnection();
3271			if (account.isEnabled() && hasInternet) {
3272				if (!force) {
3273					disconnect(account, false);
3274				}
3275				Thread thread = new Thread(connection);
3276				connection.setInteractive(interactive);
3277				connection.prepareNewConnection();
3278				connection.interrupt();
3279				thread.start();
3280				scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
3281			} else {
3282				disconnect(account, force || account.getTrueStatus().isError() || !hasInternet);
3283				account.getRoster().clearPresences();
3284				connection.resetEverything();
3285				final AxolotlService axolotlService = account.getAxolotlService();
3286				if (axolotlService != null) {
3287					axolotlService.resetBrokenness();
3288				}
3289				if (!hasInternet) {
3290					account.setStatus(Account.State.NO_INTERNET);
3291				}
3292			}
3293		}
3294	}
3295
3296	public void reconnectAccountInBackground(final Account account) {
3297		new Thread(() -> reconnectAccount(account, false, true)).start();
3298	}
3299
3300	public void invite(Conversation conversation, Jid contact) {
3301		Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": inviting " + contact + " to " + conversation.getJid().asBareJid());
3302		MessagePacket packet = mMessageGenerator.invite(conversation, contact);
3303		sendMessagePacket(conversation.getAccount(), packet);
3304	}
3305
3306	public void directInvite(Conversation conversation, Jid jid) {
3307		MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
3308		sendMessagePacket(conversation.getAccount(), packet);
3309	}
3310
3311	public void resetSendingToWaiting(Account account) {
3312		for (Conversation conversation : getConversations()) {
3313			if (conversation.getAccount() == account) {
3314				conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
3315			}
3316		}
3317	}
3318
3319	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
3320		return markMessage(account, recipient, uuid, status, null);
3321	}
3322
3323	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
3324		if (uuid == null) {
3325			return null;
3326		}
3327		for (Conversation conversation : getConversations()) {
3328			if (conversation.getJid().asBareJid().equals(recipient) && conversation.getAccount() == account) {
3329				final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
3330				if (message != null) {
3331					markMessage(message, status, errorMessage);
3332				}
3333				return message;
3334			}
3335		}
3336		return null;
3337	}
3338
3339	public boolean markMessage(Conversation conversation, String uuid, int status, String serverMessageId) {
3340		if (uuid == null) {
3341			return false;
3342		} else {
3343			Message message = conversation.findSentMessageWithUuid(uuid);
3344			if (message != null) {
3345				if (message.getServerMsgId() == null) {
3346					message.setServerMsgId(serverMessageId);
3347				}
3348				markMessage(message, status);
3349				return true;
3350			} else {
3351				return false;
3352			}
3353		}
3354	}
3355
3356	public void markMessage(Message message, int status) {
3357		markMessage(message, status, null);
3358	}
3359
3360
3361	public void markMessage(Message message, int status, String errorMessage) {
3362		final int c = message.getStatus();
3363		if (status == Message.STATUS_SEND_FAILED && (c == Message.STATUS_SEND_RECEIVED || c == Message.STATUS_SEND_DISPLAYED)) {
3364			return;
3365		}
3366		if (status == Message.STATUS_SEND_RECEIVED && c == Message.STATUS_SEND_DISPLAYED) {
3367			return;
3368		}
3369		message.setErrorMessage(errorMessage);
3370		message.setStatus(status);
3371		databaseBackend.updateMessage(message, false);
3372		updateConversationUi();
3373	}
3374
3375	private SharedPreferences getPreferences() {
3376		return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
3377	}
3378
3379	public long getAutomaticMessageDeletionDate() {
3380		final long timeout = getLongPreference(SettingsActivity.AUTOMATIC_MESSAGE_DELETION, R.integer.automatic_message_deletion);
3381		return timeout == 0 ? timeout : (System.currentTimeMillis() - (timeout * 1000));
3382	}
3383
3384	public long getLongPreference(String name, @IntegerRes int res) {
3385		long defaultValue = getResources().getInteger(res);
3386		try {
3387			return Long.parseLong(getPreferences().getString(name, String.valueOf(defaultValue)));
3388		} catch (NumberFormatException e) {
3389			return defaultValue;
3390		}
3391	}
3392
3393	public boolean getBooleanPreference(String name, @BoolRes int res) {
3394		return getPreferences().getBoolean(name, getResources().getBoolean(res));
3395	}
3396
3397	public boolean confirmMessages() {
3398		return getBooleanPreference("confirm_messages", R.bool.confirm_messages);
3399	}
3400
3401	public boolean allowMessageCorrection() {
3402		return getBooleanPreference("allow_message_correction", R.bool.allow_message_correction);
3403	}
3404
3405	public boolean sendChatStates() {
3406		return getBooleanPreference("chat_states", R.bool.chat_states);
3407	}
3408
3409	private boolean respectAutojoin() {
3410		return getBooleanPreference("autojoin", R.bool.autojoin);
3411	}
3412
3413	public boolean indicateReceived() {
3414		return getBooleanPreference("indicate_received", R.bool.indicate_received);
3415	}
3416
3417	public boolean useTorToConnect() {
3418		return QuickConversationsService.isConversations() && getBooleanPreference("use_tor", R.bool.use_tor);
3419	}
3420
3421	public boolean showExtendedConnectionOptions() {
3422		return QuickConversationsService.isConversations() && getBooleanPreference("show_connection_options", R.bool.show_connection_options);
3423	}
3424
3425	public boolean broadcastLastActivity() {
3426		return getBooleanPreference(SettingsActivity.BROADCAST_LAST_ACTIVITY, R.bool.last_activity);
3427	}
3428
3429	public int unreadCount() {
3430		int count = 0;
3431		for (Conversation conversation : getConversations()) {
3432			count += conversation.unreadCount();
3433		}
3434		return count;
3435	}
3436
3437
3438	private <T> List<T> threadSafeList(Set<T> set) {
3439		synchronized (LISTENER_LOCK) {
3440			return set.size() == 0 ? Collections.emptyList() : new ArrayList<>(set);
3441		}
3442	}
3443
3444	public void showErrorToastInUi(int resId) {
3445		for (OnShowErrorToast listener : threadSafeList(this.mOnShowErrorToasts)) {
3446			listener.onShowErrorToast(resId);
3447		}
3448	}
3449
3450	public void updateConversationUi() {
3451		for (OnConversationUpdate listener : threadSafeList(this.mOnConversationUpdates)) {
3452			listener.onConversationUpdate();
3453		}
3454	}
3455
3456	public void updateAccountUi() {
3457		for (OnAccountUpdate listener : threadSafeList(this.mOnAccountUpdates)) {
3458			listener.onAccountUpdate();
3459		}
3460	}
3461
3462	public void updateRosterUi() {
3463		for (OnRosterUpdate listener : threadSafeList(this.mOnRosterUpdates)) {
3464			listener.onRosterUpdate();
3465		}
3466	}
3467
3468	public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
3469		if (mOnCaptchaRequested.size() > 0) {
3470			DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
3471			Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
3472					(int) (captcha.getHeight() * metrics.scaledDensity), false);
3473			for (OnCaptchaRequested listener : threadSafeList(this.mOnCaptchaRequested)) {
3474				listener.onCaptchaRequested(account, id, data, scaled);
3475			}
3476			return true;
3477		}
3478		return false;
3479	}
3480
3481	public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
3482		for (OnUpdateBlocklist listener : threadSafeList(this.mOnUpdateBlocklist)) {
3483			listener.OnUpdateBlocklist(status);
3484		}
3485	}
3486
3487	public void updateMucRosterUi() {
3488		for (OnMucRosterUpdate listener : threadSafeList(this.mOnMucRosterUpdate)) {
3489			listener.onMucRosterUpdate();
3490		}
3491	}
3492
3493	public void keyStatusUpdated(AxolotlService.FetchStatus report) {
3494		for (OnKeyStatusUpdated listener : threadSafeList(this.mOnKeyStatusUpdated)) {
3495			listener.onKeyStatusUpdated(report);
3496		}
3497	}
3498
3499	public Account findAccountByJid(final Jid accountJid) {
3500		for (Account account : this.accounts) {
3501			if (account.getJid().asBareJid().equals(accountJid.asBareJid())) {
3502				return account;
3503			}
3504		}
3505		return null;
3506	}
3507
3508	public Account findAccountByUuid(final String uuid) {
3509		for(Account account : this.accounts) {
3510			if (account.getUuid().equals(uuid)) {
3511				return account;
3512			}
3513		}
3514		return null;
3515	}
3516
3517	public Conversation findConversationByUuid(String uuid) {
3518		for (Conversation conversation : getConversations()) {
3519			if (conversation.getUuid().equals(uuid)) {
3520				return conversation;
3521			}
3522		}
3523		return null;
3524	}
3525
3526	public Conversation findUniqueConversationByJid(XmppUri xmppUri) {
3527		List<Conversation> findings = new ArrayList<>();
3528		for (Conversation c : getConversations()) {
3529			if (c.getAccount().isEnabled() && c.getJid().asBareJid().equals(xmppUri.getJid()) && ((c.getMode() == Conversational.MODE_MULTI) == xmppUri.isAction(XmppUri.ACTION_JOIN))) {
3530				findings.add(c);
3531			}
3532		}
3533		return findings.size() == 1 ? findings.get(0) : null;
3534	}
3535
3536	public boolean markRead(final Conversation conversation, boolean dismiss) {
3537		return markRead(conversation, null, dismiss).size() > 0;
3538	}
3539
3540	public void markRead(final Conversation conversation) {
3541		markRead(conversation, null, true);
3542	}
3543
3544	public List<Message> markRead(final Conversation conversation, String upToUuid, boolean dismiss) {
3545		if (dismiss) {
3546			mNotificationService.clear(conversation);
3547		}
3548		final List<Message> readMessages = conversation.markRead(upToUuid);
3549		if (readMessages.size() > 0) {
3550			Runnable runnable = () -> {
3551				for (Message message : readMessages) {
3552					databaseBackend.updateMessage(message, false);
3553				}
3554			};
3555			mDatabaseWriterExecutor.execute(runnable);
3556			updateUnreadCountBadge();
3557			return readMessages;
3558		} else {
3559			return readMessages;
3560		}
3561	}
3562
3563	public synchronized void updateUnreadCountBadge() {
3564		int count = unreadCount();
3565		if (unreadCount != count) {
3566			Log.d(Config.LOGTAG, "update unread count to " + count);
3567			if (count > 0) {
3568				ShortcutBadger.applyCount(getApplicationContext(), count);
3569			} else {
3570				ShortcutBadger.removeCount(getApplicationContext());
3571			}
3572			unreadCount = count;
3573		}
3574	}
3575
3576	public void sendReadMarker(final Conversation conversation, String upToUuid) {
3577		final boolean isPrivateAndNonAnonymousMuc = conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous();
3578		final List<Message> readMessages = this.markRead(conversation, upToUuid, true);
3579		if (readMessages.size() > 0) {
3580			updateConversationUi();
3581		}
3582		final Message markable = Conversation.getLatestMarkableMessage(readMessages, isPrivateAndNonAnonymousMuc);
3583		if (confirmMessages()
3584				&& markable != null
3585				&& (markable.trusted() || isPrivateAndNonAnonymousMuc)
3586				&& markable.getRemoteMsgId() != null) {
3587			Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
3588			Account account = conversation.getAccount();
3589			final Jid to = markable.getCounterpart();
3590			final boolean groupChat = conversation.getMode() == Conversation.MODE_MULTI;
3591			MessagePacket packet = mMessageGenerator.confirm(account, to, markable.getRemoteMsgId(), markable.getCounterpart(), groupChat);
3592			this.sendMessagePacket(conversation.getAccount(), packet);
3593		}
3594	}
3595
3596	public SecureRandom getRNG() {
3597		return this.mRandom;
3598	}
3599
3600	public MemorizingTrustManager getMemorizingTrustManager() {
3601		return this.mMemorizingTrustManager;
3602	}
3603
3604	public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
3605		this.mMemorizingTrustManager = trustManager;
3606	}
3607
3608	public void updateMemorizingTrustmanager() {
3609		final MemorizingTrustManager tm;
3610		final boolean dontTrustSystemCAs = getBooleanPreference("dont_trust_system_cas", R.bool.dont_trust_system_cas);
3611		if (dontTrustSystemCAs) {
3612			tm = new MemorizingTrustManager(getApplicationContext(), null);
3613		} else {
3614			tm = new MemorizingTrustManager(getApplicationContext());
3615		}
3616		setMemorizingTrustManager(tm);
3617	}
3618
3619	public LruCache<String, Bitmap> getBitmapCache() {
3620		return this.mBitmapCache;
3621	}
3622
3623	public Collection<String> getKnownHosts() {
3624		final Set<String> hosts = new HashSet<>();
3625		for (final Account account : getAccounts()) {
3626			hosts.add(account.getServer());
3627			for (final Contact contact : account.getRoster().getContacts()) {
3628				if (contact.showInRoster()) {
3629					final String server = contact.getServer();
3630					if (server != null) {
3631						hosts.add(server);
3632					}
3633				}
3634			}
3635		}
3636		if (Config.QUICKSY_DOMAIN != null) {
3637		    hosts.remove(Config.QUICKSY_DOMAIN); //we only want to show this when we type a e164 number
3638        }
3639		if (Config.DOMAIN_LOCK != null) {
3640			hosts.add(Config.DOMAIN_LOCK);
3641		}
3642		if (Config.MAGIC_CREATE_DOMAIN != null) {
3643			hosts.add(Config.MAGIC_CREATE_DOMAIN);
3644		}
3645		return hosts;
3646	}
3647
3648	public Collection<String> getKnownConferenceHosts() {
3649		final Set<String> mucServers = new HashSet<>();
3650		for (final Account account : accounts) {
3651			if (account.getXmppConnection() != null) {
3652				mucServers.addAll(account.getXmppConnection().getMucServers());
3653				for (Bookmark bookmark : account.getBookmarks()) {
3654					final Jid jid = bookmark.getJid();
3655					final String s = jid == null ? null : jid.getDomain();
3656					if (s != null) {
3657						mucServers.add(s);
3658					}
3659				}
3660			}
3661		}
3662		return mucServers;
3663	}
3664
3665	public void sendMessagePacket(Account account, MessagePacket packet) {
3666		XmppConnection connection = account.getXmppConnection();
3667		if (connection != null) {
3668			connection.sendMessagePacket(packet);
3669		}
3670	}
3671
3672	public void sendPresencePacket(Account account, PresencePacket packet) {
3673		XmppConnection connection = account.getXmppConnection();
3674		if (connection != null) {
3675			connection.sendPresencePacket(packet);
3676		}
3677	}
3678
3679	public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
3680		final XmppConnection connection = account.getXmppConnection();
3681		if (connection != null) {
3682			IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
3683			connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener, true);
3684		}
3685	}
3686
3687	public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
3688		final XmppConnection connection = account.getXmppConnection();
3689		if (connection != null) {
3690			connection.sendIqPacket(packet, callback);
3691		} else if (callback != null) {
3692		    callback.onIqPacketReceived(account,new IqPacket(IqPacket.TYPE.TIMEOUT));
3693        }
3694	}
3695
3696	public void sendPresence(final Account account) {
3697		sendPresence(account, checkListeners() && broadcastLastActivity());
3698	}
3699
3700	private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
3701		Presence.Status status;
3702		if (manuallyChangePresence()) {
3703			status = account.getPresenceStatus();
3704		} else {
3705			status = getTargetPresence();
3706		}
3707		PresencePacket packet = mPresenceGenerator.selfPresence(account, status);
3708		String message = account.getPresenceStatusMessage();
3709		if (message != null && !message.isEmpty()) {
3710			packet.addChild(new Element("status").setContent(message));
3711		}
3712		if (mLastActivity > 0 && includeIdleTimestamp) {
3713			long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
3714			packet.addChild("idle", Namespace.IDLE).setAttribute("since", AbstractGenerator.getTimestamp(since));
3715		}
3716		sendPresencePacket(account, packet);
3717	}
3718
3719	private void deactivateGracePeriod() {
3720		for (Account account : getAccounts()) {
3721			account.deactivateGracePeriod();
3722		}
3723	}
3724
3725	public void refreshAllPresences() {
3726		boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
3727		for (Account account : getAccounts()) {
3728			if (account.isEnabled()) {
3729				sendPresence(account, includeIdleTimestamp);
3730			}
3731		}
3732	}
3733
3734	private void refreshAllFcmTokens() {
3735		for (Account account : getAccounts()) {
3736			if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
3737				mPushManagementService.registerPushTokenOnServer(account);
3738			}
3739		}
3740	}
3741
3742	private void sendOfflinePresence(final Account account) {
3743		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending offline presence");
3744		sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
3745	}
3746
3747	public MessageGenerator getMessageGenerator() {
3748		return this.mMessageGenerator;
3749	}
3750
3751	public PresenceGenerator getPresenceGenerator() {
3752		return this.mPresenceGenerator;
3753	}
3754
3755	public IqGenerator getIqGenerator() {
3756		return this.mIqGenerator;
3757	}
3758
3759	public IqParser getIqParser() {
3760		return this.mIqParser;
3761	}
3762
3763	public JingleConnectionManager getJingleConnectionManager() {
3764		return this.mJingleConnectionManager;
3765	}
3766
3767	public MessageArchiveService getMessageArchiveService() {
3768		return this.mMessageArchiveService;
3769	}
3770
3771	public QuickConversationsService getQuickConversationsService() {
3772        return this.mQuickConversationsService;
3773    }
3774
3775	public List<Contact> findContacts(Jid jid, String accountJid) {
3776		ArrayList<Contact> contacts = new ArrayList<>();
3777		for (Account account : getAccounts()) {
3778			if ((account.isEnabled() || accountJid != null)
3779					&& (accountJid == null || accountJid.equals(account.getJid().asBareJid().toString()))) {
3780				Contact contact = account.getRoster().getContactFromContactList(jid);
3781				if (contact != null) {
3782					contacts.add(contact);
3783				}
3784			}
3785		}
3786		return contacts;
3787	}
3788
3789	public Conversation findFirstMuc(Jid jid) {
3790		for (Conversation conversation : getConversations()) {
3791			if (conversation.getAccount().isEnabled() && conversation.getJid().asBareJid().equals(jid.asBareJid()) && conversation.getMode() == Conversation.MODE_MULTI) {
3792				return conversation;
3793			}
3794		}
3795		return null;
3796	}
3797
3798	public NotificationService getNotificationService() {
3799		return this.mNotificationService;
3800	}
3801
3802	public HttpConnectionManager getHttpConnectionManager() {
3803		return this.mHttpConnectionManager;
3804	}
3805
3806	public void resendFailedMessages(final Message message) {
3807		final Collection<Message> messages = new ArrayList<>();
3808		Message current = message;
3809		while (current.getStatus() == Message.STATUS_SEND_FAILED) {
3810			messages.add(current);
3811			if (current.mergeable(current.next())) {
3812				current = current.next();
3813			} else {
3814				break;
3815			}
3816		}
3817		for (final Message msg : messages) {
3818			msg.setTime(System.currentTimeMillis());
3819			markMessage(msg, Message.STATUS_WAITING);
3820			this.resendMessage(msg, false);
3821		}
3822		if (message.getConversation() instanceof Conversation) {
3823			((Conversation) message.getConversation()).sort();
3824		}
3825		updateConversationUi();
3826	}
3827
3828	public void clearConversationHistory(final Conversation conversation) {
3829		final long clearDate;
3830		final String reference;
3831		if (conversation.countMessages() > 0) {
3832			Message latestMessage = conversation.getLatestMessage();
3833			clearDate = latestMessage.getTimeSent() + 1000;
3834			reference = latestMessage.getServerMsgId();
3835		} else {
3836			clearDate = System.currentTimeMillis();
3837			reference = null;
3838		}
3839		conversation.clearMessages();
3840		conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
3841		conversation.setLastClearHistory(clearDate, reference);
3842		Runnable runnable = () -> {
3843			databaseBackend.deleteMessagesInConversation(conversation);
3844			databaseBackend.updateConversation(conversation);
3845		};
3846		mDatabaseWriterExecutor.execute(runnable);
3847	}
3848
3849	public boolean sendBlockRequest(final Blockable blockable, boolean reportSpam) {
3850		if (blockable != null && blockable.getBlockedJid() != null) {
3851			final Jid jid = blockable.getBlockedJid();
3852			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), new OnIqPacketReceived() {
3853
3854				@Override
3855				public void onIqPacketReceived(final Account account, final IqPacket packet) {
3856					if (packet.getType() == IqPacket.TYPE.RESULT) {
3857						account.getBlocklist().add(jid);
3858						updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
3859					}
3860				}
3861			});
3862			if (removeBlockedConversations(blockable.getAccount(), jid)) {
3863				updateConversationUi();
3864				return true;
3865			} else {
3866				return false;
3867			}
3868		} else {
3869			return false;
3870		}
3871	}
3872
3873	public boolean removeBlockedConversations(final Account account, final Jid blockedJid) {
3874		boolean removed = false;
3875		synchronized (this.conversations) {
3876			boolean domainJid = blockedJid.getLocal() == null;
3877			for (Conversation conversation : this.conversations) {
3878				boolean jidMatches = (domainJid && blockedJid.getDomain().equals(conversation.getJid().getDomain()))
3879						|| blockedJid.equals(conversation.getJid().asBareJid());
3880				if (conversation.getAccount() == account
3881						&& conversation.getMode() == Conversation.MODE_SINGLE
3882						&& jidMatches) {
3883					this.conversations.remove(conversation);
3884					markRead(conversation);
3885					conversation.setStatus(Conversation.STATUS_ARCHIVED);
3886					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conversation " + conversation.getJid().asBareJid() + " because jid was blocked");
3887					updateConversation(conversation);
3888					removed = true;
3889				}
3890			}
3891		}
3892		return removed;
3893	}
3894
3895	public void sendUnblockRequest(final Blockable blockable) {
3896		if (blockable != null && blockable.getJid() != null) {
3897			final Jid jid = blockable.getBlockedJid();
3898			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
3899				@Override
3900				public void onIqPacketReceived(final Account account, final IqPacket packet) {
3901					if (packet.getType() == IqPacket.TYPE.RESULT) {
3902						account.getBlocklist().remove(jid);
3903						updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
3904					}
3905				}
3906			});
3907		}
3908	}
3909
3910	public void publishDisplayName(Account account) {
3911		String displayName = account.getDisplayName();
3912		final IqPacket request;
3913		if (TextUtils.isEmpty(displayName)) {
3914            request = mIqGenerator.deleteNode(Namespace.NICK);
3915		} else {
3916            request = mIqGenerator.publishNick(displayName);
3917        }
3918        mAvatarService.clear(account);
3919        sendIqPacket(account, request, (account1, packet) -> {
3920            if (packet.getType() == IqPacket.TYPE.ERROR) {
3921                Log.d(Config.LOGTAG, account1.getJid().asBareJid() + ": unable to modify nick name "+packet.toString());
3922            }
3923        });
3924	}
3925
3926	public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
3927		ServiceDiscoveryResult result = discoCache.get(key);
3928		if (result != null) {
3929			return result;
3930		} else {
3931			result = databaseBackend.findDiscoveryResult(key.first, key.second);
3932			if (result != null) {
3933				discoCache.put(key, result);
3934			}
3935			return result;
3936		}
3937	}
3938
3939	public void fetchCaps(Account account, final Jid jid, final Presence presence) {
3940		final Pair<String, String> key = new Pair<>(presence.getHash(), presence.getVer());
3941		ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
3942		if (disco != null) {
3943			presence.setServiceDiscoveryResult(disco);
3944		} else {
3945			if (!account.inProgressDiscoFetches.contains(key)) {
3946				account.inProgressDiscoFetches.add(key);
3947				IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3948				request.setTo(jid);
3949				final String node = presence.getNode();
3950				final String ver = presence.getVer();
3951				final Element query = request.query("http://jabber.org/protocol/disco#info");
3952				if (node != null && ver != null) {
3953					query.setAttribute("node",node+"#"+ver);
3954				}
3955				Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": making disco request for " + key.second + " to " + jid);
3956				sendIqPacket(account, request, (a, response) -> {
3957					if (response.getType() == IqPacket.TYPE.RESULT) {
3958						ServiceDiscoveryResult discoveryResult = new ServiceDiscoveryResult(response);
3959						if (presence.getVer().equals(discoveryResult.getVer())) {
3960							databaseBackend.insertDiscoveryResult(discoveryResult);
3961							injectServiceDiscoveryResult(a.getRoster(), presence.getHash(), presence.getVer(), discoveryResult);
3962						} else {
3963							Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + discoveryResult.getVer());
3964						}
3965					}
3966					a.inProgressDiscoFetches.remove(key);
3967				});
3968			}
3969		}
3970	}
3971
3972	private void injectServiceDiscoveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
3973		for (Contact contact : roster.getContacts()) {
3974			for (Presence presence : contact.getPresences().getPresences().values()) {
3975				if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
3976					presence.setServiceDiscoveryResult(disco);
3977				}
3978			}
3979		}
3980	}
3981
3982	public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
3983		final MessageArchiveService.Version version = MessageArchiveService.Version.get(account);
3984		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3985		request.addChild("prefs", version.namespace);
3986		sendIqPacket(account, request, (account1, packet) -> {
3987			Element prefs = packet.findChild("prefs", version.namespace);
3988			if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
3989				callback.onPreferencesFetched(prefs);
3990			} else {
3991				callback.onPreferencesFetchFailed();
3992			}
3993		});
3994	}
3995
3996	public PushManagementService getPushManagementService() {
3997		return mPushManagementService;
3998	}
3999
4000	public void changeStatus(Account account, PresenceTemplate template, String signature) {
4001		if (!template.getStatusMessage().isEmpty()) {
4002			databaseBackend.insertPresenceTemplate(template);
4003		}
4004		account.setPgpSignature(signature);
4005		account.setPresenceStatus(template.getStatus());
4006		account.setPresenceStatusMessage(template.getStatusMessage());
4007		databaseBackend.updateAccount(account);
4008		sendPresence(account);
4009	}
4010
4011	public List<PresenceTemplate> getPresenceTemplates(Account account) {
4012		List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
4013		for (PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
4014			if (!templates.contains(template)) {
4015				templates.add(0, template);
4016			}
4017		}
4018		return templates;
4019	}
4020
4021	public void saveConversationAsBookmark(Conversation conversation, String name) {
4022		Account account = conversation.getAccount();
4023		Bookmark bookmark = new Bookmark(account, conversation.getJid().asBareJid());
4024		if (!conversation.getJid().isBareJid()) {
4025			bookmark.setNick(conversation.getJid().getResource());
4026		}
4027		if (!TextUtils.isEmpty(name)) {
4028			bookmark.setBookmarkName(name);
4029		}
4030		bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
4031		account.getBookmarks().add(bookmark);
4032		pushBookmarks(account);
4033		bookmark.setConversation(conversation);
4034	}
4035
4036	public boolean verifyFingerprints(Contact contact, List<XmppUri.Fingerprint> fingerprints) {
4037		boolean performedVerification = false;
4038		final AxolotlService axolotlService = contact.getAccount().getAxolotlService();
4039		for (XmppUri.Fingerprint fp : fingerprints) {
4040			if (fp.type == XmppUri.FingerprintType.OMEMO) {
4041				String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4042				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4043				if (fingerprintStatus != null) {
4044					if (!fingerprintStatus.isVerified()) {
4045						performedVerification = true;
4046						axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4047					}
4048				} else {
4049					axolotlService.preVerifyFingerprint(contact, fingerprint);
4050				}
4051			}
4052		}
4053		return performedVerification;
4054	}
4055
4056	public boolean verifyFingerprints(Account account, List<XmppUri.Fingerprint> fingerprints) {
4057		final AxolotlService axolotlService = account.getAxolotlService();
4058		boolean verifiedSomething = false;
4059		for (XmppUri.Fingerprint fp : fingerprints) {
4060			if (fp.type == XmppUri.FingerprintType.OMEMO) {
4061				String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4062				Log.d(Config.LOGTAG, "trying to verify own fp=" + fingerprint);
4063				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4064				if (fingerprintStatus != null) {
4065					if (!fingerprintStatus.isVerified()) {
4066						axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4067						verifiedSomething = true;
4068					}
4069				} else {
4070					axolotlService.preVerifyFingerprint(account, fingerprint);
4071					verifiedSomething = true;
4072				}
4073			}
4074		}
4075		return verifiedSomething;
4076	}
4077
4078	public boolean blindTrustBeforeVerification() {
4079		return getBooleanPreference(SettingsActivity.BLIND_TRUST_BEFORE_VERIFICATION, R.bool.btbv);
4080	}
4081
4082	public ShortcutService getShortcutService() {
4083		return mShortcutService;
4084	}
4085
4086	public void pushMamPreferences(Account account, Element prefs) {
4087		IqPacket set = new IqPacket(IqPacket.TYPE.SET);
4088		set.addChild(prefs);
4089		sendIqPacket(account, set, null);
4090	}
4091
4092	public interface OnMamPreferencesFetched {
4093		void onPreferencesFetched(Element prefs);
4094
4095		void onPreferencesFetchFailed();
4096	}
4097
4098	public interface OnAccountCreated {
4099		void onAccountCreated(Account account);
4100
4101		void informUser(int r);
4102	}
4103
4104	public interface OnMoreMessagesLoaded {
4105		void onMoreMessagesLoaded(int count, Conversation conversation);
4106
4107		void informUser(int r);
4108	}
4109
4110	public interface OnAccountPasswordChanged {
4111		void onPasswordChangeSucceeded();
4112
4113		void onPasswordChangeFailed();
4114	}
4115
4116	public interface OnAffiliationChanged {
4117		void onAffiliationChangedSuccessful(Jid jid);
4118
4119		void onAffiliationChangeFailed(Jid jid, int resId);
4120	}
4121
4122	public interface OnRoleChanged {
4123		void onRoleChangedSuccessful(String nick);
4124
4125		void onRoleChangeFailed(String nick, int resid);
4126	}
4127
4128	public interface OnConversationUpdate {
4129		void onConversationUpdate();
4130	}
4131
4132	public interface OnAccountUpdate {
4133		void onAccountUpdate();
4134	}
4135
4136	public interface OnCaptchaRequested {
4137		void onCaptchaRequested(Account account, String id, Data data, Bitmap captcha);
4138	}
4139
4140	public interface OnRosterUpdate {
4141		void onRosterUpdate();
4142	}
4143
4144	public interface OnMucRosterUpdate {
4145		void onMucRosterUpdate();
4146	}
4147
4148	public interface OnConferenceConfigurationFetched {
4149		void onConferenceConfigurationFetched(Conversation conversation);
4150
4151		void onFetchFailed(Conversation conversation, Element error);
4152	}
4153
4154	public interface OnConferenceJoined {
4155		void onConferenceJoined(Conversation conversation);
4156	}
4157
4158	public interface OnConfigurationPushed {
4159		void onPushSucceeded();
4160
4161		void onPushFailed();
4162	}
4163
4164	public interface OnShowErrorToast {
4165		void onShowErrorToast(int resId);
4166	}
4167
4168	public class XmppConnectionBinder extends Binder {
4169		public XmppConnectionService getService() {
4170			return XmppConnectionService.this;
4171		}
4172	}
4173
4174	private class InternalEventReceiver extends BroadcastReceiver {
4175
4176        @Override
4177        public void onReceive(Context context, Intent intent) {
4178            onStartCommand(intent,0,0);
4179        }
4180    }
4181}