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.KeyguardManager;
   8import android.app.Notification;
   9import android.app.NotificationManager;
  10import android.app.PendingIntent;
  11import android.app.Service;
  12import android.content.BroadcastReceiver;
  13import android.content.ComponentName;
  14import android.content.Context;
  15import android.content.Intent;
  16import android.content.IntentFilter;
  17import android.content.SharedPreferences;
  18import android.content.pm.PackageManager;
  19import android.database.ContentObserver;
  20import android.graphics.Bitmap;
  21import android.media.AudioManager;
  22import android.net.ConnectivityManager;
  23import android.net.NetworkInfo;
  24import android.net.Uri;
  25import android.os.Binder;
  26import android.os.Build;
  27import android.os.Bundle;
  28import android.os.Environment;
  29import android.os.IBinder;
  30import android.os.PowerManager;
  31import android.os.PowerManager.WakeLock;
  32import android.os.SystemClock;
  33import android.preference.PreferenceManager;
  34import android.provider.ContactsContract;
  35import android.security.KeyChain;
  36import android.telephony.PhoneStateListener;
  37import android.telephony.TelephonyManager;
  38import android.text.TextUtils;
  39import android.util.DisplayMetrics;
  40import android.util.Log;
  41import android.util.LruCache;
  42import android.util.Pair;
  43
  44import androidx.annotation.BoolRes;
  45import androidx.annotation.IntegerRes;
  46import androidx.core.app.RemoteInput;
  47import androidx.core.content.ContextCompat;
  48
  49import com.google.common.base.Objects;
  50import com.google.common.base.Strings;
  51
  52import org.conscrypt.Conscrypt;
  53import org.openintents.openpgp.IOpenPgpService2;
  54import org.openintents.openpgp.util.OpenPgpApi;
  55import org.openintents.openpgp.util.OpenPgpServiceConnection;
  56
  57import java.io.File;
  58import java.net.URL;
  59import java.security.SecureRandom;
  60import java.security.Security;
  61import java.security.cert.CertificateException;
  62import java.security.cert.X509Certificate;
  63import java.util.ArrayList;
  64import java.util.Arrays;
  65import java.util.Collection;
  66import java.util.Collections;
  67import java.util.HashSet;
  68import java.util.Hashtable;
  69import java.util.Iterator;
  70import java.util.List;
  71import java.util.ListIterator;
  72import java.util.Map;
  73import java.util.Set;
  74import java.util.WeakHashMap;
  75import java.util.concurrent.CopyOnWriteArrayList;
  76import java.util.concurrent.CountDownLatch;
  77import java.util.concurrent.atomic.AtomicBoolean;
  78import java.util.concurrent.atomic.AtomicLong;
  79import java.util.concurrent.atomic.AtomicReference;
  80
  81import eu.siacs.conversations.Config;
  82import eu.siacs.conversations.R;
  83import eu.siacs.conversations.android.JabberIdContact;
  84import eu.siacs.conversations.crypto.OmemoSetting;
  85import eu.siacs.conversations.crypto.PgpDecryptionService;
  86import eu.siacs.conversations.crypto.PgpEngine;
  87import eu.siacs.conversations.crypto.axolotl.AxolotlService;
  88import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
  89import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
  90import eu.siacs.conversations.entities.Account;
  91import eu.siacs.conversations.entities.Blockable;
  92import eu.siacs.conversations.entities.Bookmark;
  93import eu.siacs.conversations.entities.Contact;
  94import eu.siacs.conversations.entities.Conversation;
  95import eu.siacs.conversations.entities.Conversational;
  96import eu.siacs.conversations.entities.Message;
  97import eu.siacs.conversations.entities.MucOptions;
  98import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
  99import eu.siacs.conversations.entities.Presence;
 100import eu.siacs.conversations.entities.PresenceTemplate;
 101import eu.siacs.conversations.entities.Roster;
 102import eu.siacs.conversations.entities.ServiceDiscoveryResult;
 103import eu.siacs.conversations.generator.AbstractGenerator;
 104import eu.siacs.conversations.generator.IqGenerator;
 105import eu.siacs.conversations.generator.MessageGenerator;
 106import eu.siacs.conversations.generator.PresenceGenerator;
 107import eu.siacs.conversations.http.CustomURLStreamHandlerFactory;
 108import eu.siacs.conversations.http.HttpConnectionManager;
 109import eu.siacs.conversations.parser.AbstractParser;
 110import eu.siacs.conversations.parser.IqParser;
 111import eu.siacs.conversations.parser.MessageParser;
 112import eu.siacs.conversations.parser.PresenceParser;
 113import eu.siacs.conversations.persistance.DatabaseBackend;
 114import eu.siacs.conversations.persistance.FileBackend;
 115import eu.siacs.conversations.ui.ChooseAccountForProfilePictureActivity;
 116import eu.siacs.conversations.ui.RtpSessionActivity;
 117import eu.siacs.conversations.ui.SettingsActivity;
 118import eu.siacs.conversations.ui.UiCallback;
 119import eu.siacs.conversations.ui.interfaces.OnAvatarPublication;
 120import eu.siacs.conversations.ui.interfaces.OnMediaLoaded;
 121import eu.siacs.conversations.ui.interfaces.OnSearchResultsAvailable;
 122import eu.siacs.conversations.utils.Compatibility;
 123import eu.siacs.conversations.utils.ConversationsFileObserver;
 124import eu.siacs.conversations.utils.CryptoHelper;
 125import eu.siacs.conversations.utils.EasyOnboardingInvite;
 126import eu.siacs.conversations.utils.ExceptionHelper;
 127import eu.siacs.conversations.utils.MimeUtils;
 128import eu.siacs.conversations.utils.PhoneHelper;
 129import eu.siacs.conversations.utils.QuickLoader;
 130import eu.siacs.conversations.utils.ReplacingSerialSingleThreadExecutor;
 131import eu.siacs.conversations.utils.ReplacingTaskManager;
 132import eu.siacs.conversations.utils.Resolver;
 133import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
 134import eu.siacs.conversations.utils.StringUtils;
 135import eu.siacs.conversations.utils.TorServiceUtils;
 136import eu.siacs.conversations.utils.WakeLockHelper;
 137import eu.siacs.conversations.utils.XmppUri;
 138import eu.siacs.conversations.xml.Element;
 139import eu.siacs.conversations.xml.LocalizedContent;
 140import eu.siacs.conversations.xml.Namespace;
 141import eu.siacs.conversations.xmpp.Jid;
 142import eu.siacs.conversations.xmpp.OnBindListener;
 143import eu.siacs.conversations.xmpp.OnContactStatusChanged;
 144import eu.siacs.conversations.xmpp.OnIqPacketReceived;
 145import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
 146import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
 147import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 148import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
 149import eu.siacs.conversations.xmpp.OnStatusChanged;
 150import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
 151import eu.siacs.conversations.xmpp.Patches;
 152import eu.siacs.conversations.xmpp.XmppConnection;
 153import eu.siacs.conversations.xmpp.chatstate.ChatState;
 154import eu.siacs.conversations.xmpp.forms.Data;
 155import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
 156import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 157import eu.siacs.conversations.xmpp.jingle.JingleRtpConnection;
 158import eu.siacs.conversations.xmpp.jingle.Media;
 159import eu.siacs.conversations.xmpp.jingle.RtpEndUserState;
 160import eu.siacs.conversations.xmpp.mam.MamReference;
 161import eu.siacs.conversations.xmpp.pep.Avatar;
 162import eu.siacs.conversations.xmpp.pep.PublishOptions;
 163import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 164import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 165import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 166import me.leolin.shortcutbadger.ShortcutBadger;
 167
 168public class XmppConnectionService extends Service {
 169
 170    public static final String ACTION_REPLY_TO_CONVERSATION = "reply_to_conversations";
 171    public static final String ACTION_MARK_AS_READ = "mark_as_read";
 172    public static final String ACTION_SNOOZE = "snooze";
 173    public static final String ACTION_CLEAR_NOTIFICATION = "clear_notification";
 174    public static final String ACTION_DISMISS_ERROR_NOTIFICATIONS = "dismiss_error";
 175    public static final String ACTION_TRY_AGAIN = "try_again";
 176    public static final String ACTION_IDLE_PING = "idle_ping";
 177    public static final String ACTION_FCM_TOKEN_REFRESH = "fcm_token_refresh";
 178    public static final String ACTION_FCM_MESSAGE_RECEIVED = "fcm_message_received";
 179    public static final String ACTION_DISMISS_CALL = "dismiss_call";
 180    public static final String ACTION_END_CALL = "end_call";
 181    public static final String ACTION_PROVISION_ACCOUNT = "provision_account";
 182    private static final String ACTION_POST_CONNECTIVITY_CHANGE = "eu.siacs.conversations.POST_CONNECTIVITY_CHANGE";
 183
 184    private static final String SETTING_LAST_ACTIVITY_TS = "last_activity_timestamp";
 185
 186    static {
 187        URL.setURLStreamHandlerFactory(new CustomURLStreamHandlerFactory());
 188    }
 189
 190    public final CountDownLatch restoredFromDatabaseLatch = new CountDownLatch(1);
 191    private final SerialSingleThreadExecutor mFileAddingExecutor = new SerialSingleThreadExecutor("FileAdding");
 192    private final SerialSingleThreadExecutor mVideoCompressionExecutor = new SerialSingleThreadExecutor("VideoCompression");
 193    private final SerialSingleThreadExecutor mDatabaseWriterExecutor = new SerialSingleThreadExecutor("DatabaseWriter");
 194    private final SerialSingleThreadExecutor mDatabaseReaderExecutor = new SerialSingleThreadExecutor("DatabaseReader");
 195    private final SerialSingleThreadExecutor mNotificationExecutor = new SerialSingleThreadExecutor("NotificationExecutor");
 196    private final ReplacingTaskManager mRosterSyncTaskManager = new ReplacingTaskManager();
 197    private final IBinder mBinder = new XmppConnectionBinder();
 198    private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 199    private final IqGenerator mIqGenerator = new IqGenerator(this);
 200    private final Set<String> mInProgressAvatarFetches = new HashSet<>();
 201    private final Set<String> mOmittedPepAvatarFetches = new HashSet<>();
 202    private final HashSet<Jid> mLowPingTimeoutMode = new HashSet<>();
 203    private final OnIqPacketReceived mDefaultIqHandler = (account, packet) -> {
 204        if (packet.getType() != IqPacket.TYPE.RESULT) {
 205            Element error = packet.findChild("error");
 206            String text = error != null ? error.findChildContent("text") : null;
 207            if (text != null) {
 208                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received iq error - " + text);
 209            }
 210        }
 211    };
 212    public DatabaseBackend databaseBackend;
 213    private final ReplacingSerialSingleThreadExecutor mContactMergerExecutor = new ReplacingSerialSingleThreadExecutor("ContactMerger");
 214    private long mLastActivity = 0;
 215    private final FileBackend fileBackend = new FileBackend(this);
 216    private MemorizingTrustManager mMemorizingTrustManager;
 217    private final NotificationService mNotificationService = new NotificationService(this);
 218    private final ChannelDiscoveryService mChannelDiscoveryService = new ChannelDiscoveryService(this);
 219    private final ShortcutService mShortcutService = new ShortcutService(this);
 220    private final AtomicBoolean mInitialAddressbookSyncCompleted = new AtomicBoolean(false);
 221    private final AtomicBoolean mForceForegroundService = new AtomicBoolean(false);
 222    private final AtomicBoolean mForceDuringOnCreate = new AtomicBoolean(false);
 223    private final AtomicReference<OngoingCall> ongoingCall = new AtomicReference<>();
 224    private final OnMessagePacketReceived mMessageParser = new MessageParser(this);
 225    private final OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 226    private final IqParser mIqParser = new IqParser(this);
 227    private final MessageGenerator mMessageGenerator = new MessageGenerator(this);
 228    public OnContactStatusChanged onContactStatusChanged = (contact, online) -> {
 229        Conversation conversation = find(getConversations(), contact);
 230        if (conversation != null) {
 231            if (online) {
 232                if (contact.getPresences().size() == 1) {
 233                    sendUnsentMessages(conversation);
 234                }
 235            }
 236        }
 237    };
 238    private final PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 239    private List<Account> accounts;
 240    private final JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(this);
 241    private final HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(this);
 242    private final AvatarService mAvatarService = new AvatarService(this);
 243    private final MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 244    private final PushManagementService mPushManagementService = new PushManagementService(this);
 245    private final QuickConversationsService mQuickConversationsService = new QuickConversationsService(this);
 246    private final ConversationsFileObserver fileObserver = new ConversationsFileObserver(
 247            Environment.getExternalStorageDirectory().getAbsolutePath()
 248    ) {
 249        @Override
 250        public void onEvent(final int event, final File file) {
 251            markFileDeleted(file);
 252        }
 253    };
 254    private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 255
 256        @Override
 257        public boolean onMessageAcknowledged(final Account account, final Jid to, final String id) {
 258            if (id.startsWith(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX)) {
 259                final String sessionId = id.substring(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX.length());
 260                mJingleConnectionManager.updateProposedSessionDiscovered(
 261                        account,
 262                        to,
 263                        sessionId,
 264                        JingleConnectionManager.DeviceDiscoveryState.SEARCHING_ACKNOWLEDGED
 265                );
 266            }
 267
 268
 269            final Jid bare = to.asBareJid();
 270
 271            for (final Conversation conversation : getConversations()) {
 272                if (conversation.getAccount() == account && conversation.getJid().asBareJid().equals(bare)) {
 273                    final Message message = conversation.findUnsentMessageWithUuid(id);
 274                    if (message != null) {
 275                        message.setStatus(Message.STATUS_SEND);
 276                        message.setErrorMessage(null);
 277                        databaseBackend.updateMessage(message, false);
 278                        return true;
 279                    }
 280                }
 281            }
 282            return false;
 283        }
 284    };
 285    private final AtomicBoolean isPhoneInCall = new AtomicBoolean(false);
 286    private final PhoneStateListener phoneStateListener = new PhoneStateListener() {
 287        @Override
 288        public void onCallStateChanged(final int state, final String phoneNumber) {
 289            isPhoneInCall.set(state != TelephonyManager.CALL_STATE_IDLE);
 290            if (state == TelephonyManager.CALL_STATE_OFFHOOK) {
 291                mJingleConnectionManager.notifyPhoneCallStarted();
 292            }
 293        }
 294    };
 295
 296    private boolean destroyed = false;
 297
 298    private int unreadCount = -1;
 299
 300    //Ui callback listeners
 301    private final Set<OnConversationUpdate> mOnConversationUpdates = Collections.newSetFromMap(new WeakHashMap<OnConversationUpdate, Boolean>());
 302    private final Set<OnShowErrorToast> mOnShowErrorToasts = Collections.newSetFromMap(new WeakHashMap<OnShowErrorToast, Boolean>());
 303    private final Set<OnAccountUpdate> mOnAccountUpdates = Collections.newSetFromMap(new WeakHashMap<OnAccountUpdate, Boolean>());
 304    private final Set<OnCaptchaRequested> mOnCaptchaRequested = Collections.newSetFromMap(new WeakHashMap<OnCaptchaRequested, Boolean>());
 305    private final Set<OnRosterUpdate> mOnRosterUpdates = Collections.newSetFromMap(new WeakHashMap<OnRosterUpdate, Boolean>());
 306    private final Set<OnUpdateBlocklist> mOnUpdateBlocklist = Collections.newSetFromMap(new WeakHashMap<OnUpdateBlocklist, Boolean>());
 307    private final Set<OnMucRosterUpdate> mOnMucRosterUpdate = Collections.newSetFromMap(new WeakHashMap<OnMucRosterUpdate, Boolean>());
 308    private final Set<OnKeyStatusUpdated> mOnKeyStatusUpdated = Collections.newSetFromMap(new WeakHashMap<OnKeyStatusUpdated, Boolean>());
 309    private final Set<OnJingleRtpConnectionUpdate> onJingleRtpConnectionUpdate = Collections.newSetFromMap(new WeakHashMap<OnJingleRtpConnectionUpdate, Boolean>());
 310
 311    private final Object LISTENER_LOCK = new Object();
 312
 313
 314    public final Set<String> FILENAMES_TO_IGNORE_DELETION = new HashSet<>();
 315
 316
 317    private final OnBindListener mOnBindListener = new OnBindListener() {
 318
 319        @Override
 320        public void onBind(final Account account) {
 321            synchronized (mInProgressAvatarFetches) {
 322                for (Iterator<String> iterator = mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
 323                    final String KEY = iterator.next();
 324                    if (KEY.startsWith(account.getJid().asBareJid() + "_")) {
 325                        iterator.remove();
 326                    }
 327                }
 328            }
 329            boolean loggedInSuccessfully = account.setOption(Account.OPTION_LOGGED_IN_SUCCESSFULLY, true);
 330            boolean gainedFeature = account.setOption(Account.OPTION_HTTP_UPLOAD_AVAILABLE, account.getXmppConnection().getFeatures().httpUpload(0));
 331            if (loggedInSuccessfully || gainedFeature) {
 332                databaseBackend.updateAccount(account);
 333            }
 334
 335            if (loggedInSuccessfully) {
 336                if (!TextUtils.isEmpty(account.getDisplayName())) {
 337                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": display name wasn't empty on first log in. publishing");
 338                    publishDisplayName(account);
 339                }
 340            }
 341
 342            account.getRoster().clearPresences();
 343            synchronized (account.inProgressConferenceJoins) {
 344                account.inProgressConferenceJoins.clear();
 345            }
 346            synchronized (account.inProgressConferencePings) {
 347                account.inProgressConferencePings.clear();
 348            }
 349            mJingleConnectionManager.notifyRebound(account);
 350            mQuickConversationsService.considerSyncBackground(false);
 351            fetchRosterFromServer(account);
 352
 353            final XmppConnection connection = account.getXmppConnection();
 354
 355            if (connection.getFeatures().bookmarks2()) {
 356                fetchBookmarks2(account);
 357            } else if (!account.getXmppConnection().getFeatures().bookmarksConversion()) {
 358                fetchBookmarks(account);
 359            }
 360            final boolean flexible = account.getXmppConnection().getFeatures().flexibleOfflineMessageRetrieval();
 361            final boolean catchup = getMessageArchiveService().inCatchup(account);
 362            if (flexible && catchup && account.getXmppConnection().isMamPreferenceAlways()) {
 363                sendIqPacket(account, mIqGenerator.purgeOfflineMessages(), (acc, packet) -> {
 364                    if (packet.getType() == IqPacket.TYPE.RESULT) {
 365                        Log.d(Config.LOGTAG, acc.getJid().asBareJid() + ": successfully purged offline messages");
 366                    }
 367                });
 368            }
 369            sendPresence(account);
 370            if (mPushManagementService.available(account)) {
 371                mPushManagementService.registerPushTokenOnServer(account);
 372            }
 373            connectMultiModeConversations(account);
 374            syncDirtyContacts(account);
 375
 376        }
 377    };
 378    private final AtomicLong mLastExpiryRun = new AtomicLong(0);
 379    private SecureRandom mRandom;
 380    private final LruCache<Pair<String, String>, ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 381    private final OnStatusChanged statusListener = new OnStatusChanged() {
 382
 383        @Override
 384        public void onStatusChanged(final Account account) {
 385            XmppConnection connection = account.getXmppConnection();
 386            updateAccountUi();
 387
 388            if (account.getStatus() == Account.State.ONLINE || account.getStatus().isError()) {
 389                mQuickConversationsService.signalAccountStateChange();
 390            }
 391
 392            if (account.getStatus() == Account.State.ONLINE) {
 393                synchronized (mLowPingTimeoutMode) {
 394                    if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 395                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 396                    }
 397                }
 398                if (account.setShowErrorNotification(true)) {
 399                    databaseBackend.updateAccount(account);
 400                }
 401                mMessageArchiveService.executePendingQueries(account);
 402                if (connection != null && connection.getFeatures().csi()) {
 403                    if (checkListeners()) {
 404                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//inactive");
 405                        connection.sendInactive();
 406                    } else {
 407                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//active");
 408                        connection.sendActive();
 409                    }
 410                }
 411                List<Conversation> conversations = getConversations();
 412                for (Conversation conversation : conversations) {
 413                    final boolean inProgressJoin;
 414                    synchronized (account.inProgressConferenceJoins) {
 415                        inProgressJoin = account.inProgressConferenceJoins.contains(conversation);
 416                    }
 417                    final boolean pendingJoin;
 418                    synchronized (account.pendingConferenceJoins) {
 419                        pendingJoin = account.pendingConferenceJoins.contains(conversation);
 420                    }
 421                    if (conversation.getAccount() == account
 422                            && !pendingJoin
 423                            && !inProgressJoin) {
 424                        sendUnsentMessages(conversation);
 425                    }
 426                }
 427                final List<Conversation> pendingLeaves;
 428                synchronized (account.pendingConferenceLeaves) {
 429                    pendingLeaves = new ArrayList<>(account.pendingConferenceLeaves);
 430                    account.pendingConferenceLeaves.clear();
 431
 432                }
 433                for (Conversation conversation : pendingLeaves) {
 434                    leaveMuc(conversation);
 435                }
 436                final List<Conversation> pendingJoins;
 437                synchronized (account.pendingConferenceJoins) {
 438                    pendingJoins = new ArrayList<>(account.pendingConferenceJoins);
 439                    account.pendingConferenceJoins.clear();
 440                }
 441                for (Conversation conversation : pendingJoins) {
 442                    joinMuc(conversation);
 443                }
 444                scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 445            } else if (account.getStatus() == Account.State.OFFLINE || account.getStatus() == Account.State.DISABLED) {
 446                resetSendingToWaiting(account);
 447                if (account.isEnabled() && isInLowPingTimeoutMode(account)) {
 448                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": went into offline state during low ping mode. reconnecting now");
 449                    reconnectAccount(account, true, false);
 450                } else {
 451                    int timeToReconnect = mRandom.nextInt(10) + 2;
 452                    scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 453                }
 454            } else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 455                databaseBackend.updateAccount(account);
 456                reconnectAccount(account, true, false);
 457            } else if (account.getStatus() != Account.State.CONNECTING && account.getStatus() != Account.State.NO_INTERNET) {
 458                resetSendingToWaiting(account);
 459                if (connection != null && account.getStatus().isAttemptReconnect()) {
 460                    final int next = connection.getTimeToNextAttempt();
 461                    final boolean lowPingTimeoutMode = isInLowPingTimeoutMode(account);
 462                    if (next <= 0) {
 463                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. reconnecting now. lowPingTimeout=" + lowPingTimeoutMode);
 464                        reconnectAccount(account, true, false);
 465                    } else {
 466                        final int attempt = connection.getAttempt() + 1;
 467                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. try again in " + next + "s for the " + attempt + " time. lowPingTimeout=" + lowPingTimeoutMode);
 468                        scheduleWakeUpCall(next, account.getUuid().hashCode());
 469                    }
 470                }
 471            }
 472            getNotificationService().updateErrorNotification();
 473        }
 474    };
 475    private OpenPgpServiceConnection pgpServiceConnection;
 476    private PgpEngine mPgpEngine = null;
 477    private WakeLock wakeLock;
 478    private PowerManager pm;
 479    private LruCache<String, Bitmap> mBitmapCache;
 480    private final BroadcastReceiver mInternalEventReceiver = new InternalEventReceiver();
 481    private final BroadcastReceiver mInternalScreenEventReceiver = new InternalEventReceiver();
 482
 483    private static String generateFetchKey(Account account, final Avatar avatar) {
 484        return account.getJid().asBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 485    }
 486
 487    private boolean isInLowPingTimeoutMode(Account account) {
 488        synchronized (mLowPingTimeoutMode) {
 489            return mLowPingTimeoutMode.contains(account.getJid().asBareJid());
 490        }
 491    }
 492
 493    public void startForcingForegroundNotification() {
 494        mForceForegroundService.set(true);
 495        toggleForegroundService();
 496    }
 497
 498    public void stopForcingForegroundNotification() {
 499        mForceForegroundService.set(false);
 500        toggleForegroundService();
 501    }
 502
 503    public boolean areMessagesInitialized() {
 504        return this.restoredFromDatabaseLatch.getCount() == 0;
 505    }
 506
 507    public PgpEngine getPgpEngine() {
 508        if (!Config.supportOpenPgp()) {
 509            return null;
 510        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 511            if (this.mPgpEngine == null) {
 512                this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 513                        getApplicationContext(),
 514                        pgpServiceConnection.getService()), this);
 515            }
 516            return mPgpEngine;
 517        } else {
 518            return null;
 519        }
 520
 521    }
 522
 523    public OpenPgpApi getOpenPgpApi() {
 524        if (!Config.supportOpenPgp()) {
 525            return null;
 526        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 527            return new OpenPgpApi(this, pgpServiceConnection.getService());
 528        } else {
 529            return null;
 530        }
 531    }
 532
 533    public FileBackend getFileBackend() {
 534        return this.fileBackend;
 535    }
 536
 537    public AvatarService getAvatarService() {
 538        return this.mAvatarService;
 539    }
 540
 541    public void attachLocationToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 542        int encryption = conversation.getNextEncryption();
 543        if (encryption == Message.ENCRYPTION_PGP) {
 544            encryption = Message.ENCRYPTION_DECRYPTED;
 545        }
 546        Message message = new Message(conversation, uri.toString(), encryption);
 547        Message.configurePrivateMessage(message);
 548        if (encryption == Message.ENCRYPTION_DECRYPTED) {
 549            getPgpEngine().encrypt(message, callback);
 550        } else {
 551            sendMessage(message);
 552            callback.success(message);
 553        }
 554    }
 555
 556    public void attachFileToConversation(final Conversation conversation, final Uri uri, final String type, final UiCallback<Message> callback) {
 557        final Message message;
 558        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 559            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 560        } else {
 561            message = new Message(conversation, "", conversation.getNextEncryption());
 562        }
 563        if (!Message.configurePrivateFileMessage(message)) {
 564            message.setCounterpart(conversation.getNextCounterpart());
 565            message.setType(Message.TYPE_FILE);
 566        }
 567        Log.d(Config.LOGTAG, "attachFile: type=" + message.getType());
 568        Log.d(Config.LOGTAG, "counterpart=" + message.getCounterpart());
 569        final AttachFileToConversationRunnable runnable = new AttachFileToConversationRunnable(this, uri, type, message, callback);
 570        if (runnable.isVideoMessage()) {
 571            mVideoCompressionExecutor.execute(runnable);
 572        } else {
 573            mFileAddingExecutor.execute(runnable);
 574        }
 575    }
 576
 577    public void attachImageToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 578        final String mimeType = MimeUtils.guessMimeTypeFromUri(this, uri);
 579        final String compressPictures = getCompressPicturesPreference();
 580
 581        if ("never".equals(compressPictures)
 582                || ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))
 583                || (mimeType != null && mimeType.endsWith("/gif"))
 584                || getFileBackend().unusualBounds(uri)) {
 585            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": not compressing picture. sending as file");
 586            attachFileToConversation(conversation, uri, mimeType, callback);
 587            return;
 588        }
 589        final Message message;
 590        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 591            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 592        } else {
 593            message = new Message(conversation, "", conversation.getNextEncryption());
 594        }
 595        if (!Message.configurePrivateFileMessage(message)) {
 596            message.setCounterpart(conversation.getNextCounterpart());
 597            message.setType(Message.TYPE_IMAGE);
 598        }
 599        Log.d(Config.LOGTAG, "attachImage: type=" + message.getType());
 600        mFileAddingExecutor.execute(() -> {
 601            try {
 602                getFileBackend().copyImageToPrivateStorage(message, uri);
 603            } catch (FileBackend.ImageCompressionException e) {
 604                Log.d(Config.LOGTAG, "unable to compress image. fall back to file transfer", e);
 605                attachFileToConversation(conversation, uri, mimeType, callback);
 606                return;
 607            } catch (final FileBackend.FileCopyException e) {
 608                callback.error(e.getResId(), message);
 609                return;
 610            }
 611            if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 612                final PgpEngine pgpEngine = getPgpEngine();
 613                if (pgpEngine != null) {
 614                    pgpEngine.encrypt(message, callback);
 615                } else if (callback != null) {
 616                    callback.error(R.string.unable_to_connect_to_keychain, null);
 617                }
 618            } else {
 619                sendMessage(message);
 620                callback.success(message);
 621            }
 622        });
 623    }
 624
 625    public Conversation find(Bookmark bookmark) {
 626        return find(bookmark.getAccount(), bookmark.getJid());
 627    }
 628
 629    public Conversation find(final Account account, final Jid jid) {
 630        return find(getConversations(), account, jid);
 631    }
 632
 633    public boolean isMuc(final Account account, final Jid jid) {
 634        final Conversation c = find(account, jid);
 635        return c != null && c.getMode() == Conversational.MODE_MULTI;
 636    }
 637
 638    public void search(final List<String> term, final String uuid, final OnSearchResultsAvailable onSearchResultsAvailable) {
 639        MessageSearchTask.search(this, term, uuid, onSearchResultsAvailable);
 640    }
 641
 642    @Override
 643    public int onStartCommand(Intent intent, int flags, int startId) {
 644        final String action = intent == null ? null : intent.getAction();
 645        final boolean needsForegroundService = intent != null && intent.getBooleanExtra(EventReceiver.EXTRA_NEEDS_FOREGROUND_SERVICE, false);
 646        if (needsForegroundService) {
 647            Log.d(Config.LOGTAG, "toggle forced foreground service after receiving event (action=" + action + ")");
 648            toggleForegroundService(true);
 649        }
 650        String pushedAccountHash = null;
 651        boolean interactive = false;
 652        if (action != null) {
 653            final String uuid = intent.getStringExtra("uuid");
 654            switch (action) {
 655                case QuickConversationsService.SMS_RETRIEVED_ACTION:
 656                    mQuickConversationsService.handleSmsReceived(intent);
 657                    break;
 658                case ConnectivityManager.CONNECTIVITY_ACTION:
 659                    if (hasInternetConnection()) {
 660                        if (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0) {
 661                            schedulePostConnectivityChange();
 662                        }
 663                        if (Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 664                            resetAllAttemptCounts(true, false);
 665                        }
 666                    }
 667                    break;
 668                case Intent.ACTION_SHUTDOWN:
 669                    logoutAndSave(true);
 670                    return START_NOT_STICKY;
 671                case ACTION_CLEAR_NOTIFICATION:
 672                    mNotificationExecutor.execute(() -> {
 673                        try {
 674                            final Conversation c = findConversationByUuid(uuid);
 675                            if (c != null) {
 676                                mNotificationService.clear(c);
 677                            } else {
 678                                mNotificationService.clear();
 679                            }
 680                            restoredFromDatabaseLatch.await();
 681
 682                        } catch (InterruptedException e) {
 683                            Log.d(Config.LOGTAG, "unable to process clear notification");
 684                        }
 685                    });
 686                    break;
 687                case ACTION_DISMISS_CALL: {
 688                    final String sessionId = intent.getStringExtra(RtpSessionActivity.EXTRA_SESSION_ID);
 689                    Log.d(Config.LOGTAG, "received intent to dismiss call with session id " + sessionId);
 690                    mJingleConnectionManager.rejectRtpSession(sessionId);
 691                    break;
 692                }
 693                case TorServiceUtils.ACTION_STATUS:
 694                    final String status = intent.getStringExtra(TorServiceUtils.EXTRA_STATUS);
 695                    //TODO port and host are in 'extras' - but this may not be a reliable source?
 696                    if ("ON".equals(status)) {
 697                        handleOrbotStartedEvent();
 698                        return START_STICKY;
 699                    }
 700                    break;
 701                case ACTION_END_CALL: {
 702                    final String sessionId = intent.getStringExtra(RtpSessionActivity.EXTRA_SESSION_ID);
 703                    Log.d(Config.LOGTAG, "received intent to end call with session id " + sessionId);
 704                    mJingleConnectionManager.endRtpSession(sessionId);
 705                }
 706                break;
 707                case ACTION_PROVISION_ACCOUNT: {
 708                    final String address = intent.getStringExtra("address");
 709                    final String password = intent.getStringExtra("password");
 710                    if (QuickConversationsService.isQuicksy() || Strings.isNullOrEmpty(address) || Strings.isNullOrEmpty(password)) {
 711                        break;
 712                    }
 713                    provisionAccount(address, password);
 714                    break;
 715                }
 716                case ACTION_DISMISS_ERROR_NOTIFICATIONS:
 717                    dismissErrorNotifications();
 718                    break;
 719                case ACTION_TRY_AGAIN:
 720                    resetAllAttemptCounts(false, true);
 721                    interactive = true;
 722                    break;
 723                case ACTION_REPLY_TO_CONVERSATION:
 724                    Bundle remoteInput = RemoteInput.getResultsFromIntent(intent);
 725                    if (remoteInput == null) {
 726                        break;
 727                    }
 728                    final CharSequence body = remoteInput.getCharSequence("text_reply");
 729                    final boolean dismissNotification = intent.getBooleanExtra("dismiss_notification", false);
 730                    if (body == null || body.length() <= 0) {
 731                        break;
 732                    }
 733                    mNotificationExecutor.execute(() -> {
 734                        try {
 735                            restoredFromDatabaseLatch.await();
 736                            final Conversation c = findConversationByUuid(uuid);
 737                            if (c != null) {
 738                                directReply(c, body.toString(), dismissNotification);
 739                            }
 740                        } catch (InterruptedException e) {
 741                            Log.d(Config.LOGTAG, "unable to process direct reply");
 742                        }
 743                    });
 744                    break;
 745                case ACTION_MARK_AS_READ:
 746                    mNotificationExecutor.execute(() -> {
 747                        final Conversation c = findConversationByUuid(uuid);
 748                        if (c == null) {
 749                            Log.d(Config.LOGTAG, "received mark read intent for unknown conversation (" + uuid + ")");
 750                            return;
 751                        }
 752                        try {
 753                            restoredFromDatabaseLatch.await();
 754                            sendReadMarker(c, null);
 755                        } catch (InterruptedException e) {
 756                            Log.d(Config.LOGTAG, "unable to process notification read marker for conversation " + c.getName());
 757                        }
 758
 759                    });
 760                    break;
 761                case ACTION_SNOOZE:
 762                    mNotificationExecutor.execute(() -> {
 763                        final Conversation c = findConversationByUuid(uuid);
 764                        if (c == null) {
 765                            Log.d(Config.LOGTAG, "received snooze intent for unknown conversation (" + uuid + ")");
 766                            return;
 767                        }
 768                        c.setMutedTill(System.currentTimeMillis() + 30 * 60 * 1000);
 769                        mNotificationService.clear(c);
 770                        updateConversation(c);
 771                    });
 772                case AudioManager.RINGER_MODE_CHANGED_ACTION:
 773                case NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED:
 774                    if (dndOnSilentMode()) {
 775                        refreshAllPresences();
 776                    }
 777                    break;
 778                case Intent.ACTION_SCREEN_ON:
 779                    deactivateGracePeriod();
 780                case Intent.ACTION_USER_PRESENT:
 781                case Intent.ACTION_SCREEN_OFF:
 782                    if (awayWhenScreenLocked()) {
 783                        refreshAllPresences();
 784                    }
 785                    break;
 786                case ACTION_FCM_TOKEN_REFRESH:
 787                    refreshAllFcmTokens();
 788                    break;
 789                case ACTION_IDLE_PING:
 790                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 791                        scheduleNextIdlePing();
 792                    }
 793                    break;
 794                case ACTION_FCM_MESSAGE_RECEIVED:
 795                    pushedAccountHash = intent.getStringExtra("account");
 796                    Log.d(Config.LOGTAG, "push message arrived in service. account=" + pushedAccountHash);
 797                    break;
 798                case Intent.ACTION_SEND:
 799                    Uri uri = intent.getData();
 800                    if (uri != null) {
 801                        Log.d(Config.LOGTAG, "received uri permission for " + uri.toString());
 802                    }
 803                    return START_STICKY;
 804            }
 805        }
 806        synchronized (this) {
 807            WakeLockHelper.acquire(wakeLock);
 808            boolean pingNow = ConnectivityManager.CONNECTIVITY_ACTION.equals(action) || (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0 && ACTION_POST_CONNECTIVITY_CHANGE.equals(action));
 809            final HashSet<Account> pingCandidates = new HashSet<>();
 810            final String androidId = PhoneHelper.getAndroidId(this);
 811            for (Account account : accounts) {
 812                final boolean pushWasMeantForThisAccount = CryptoHelper.getAccountFingerprint(account, androidId).equals(pushedAccountHash);
 813                pingNow |= processAccountState(account,
 814                        interactive,
 815                        "ui".equals(action),
 816                        pushWasMeantForThisAccount,
 817                        pingCandidates);
 818            }
 819            if (pingNow) {
 820                for (Account account : pingCandidates) {
 821                    final boolean lowTimeout = isInLowPingTimeoutMode(account);
 822                    account.getXmppConnection().sendPing();
 823                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + " send ping (action=" + action + ",lowTimeout=" + lowTimeout + ")");
 824                    scheduleWakeUpCall(lowTimeout ? Config.LOW_PING_TIMEOUT : Config.PING_TIMEOUT, account.getUuid().hashCode());
 825                }
 826            }
 827            WakeLockHelper.release(wakeLock);
 828        }
 829        if (SystemClock.elapsedRealtime() - mLastExpiryRun.get() >= Config.EXPIRY_INTERVAL) {
 830            expireOldMessages();
 831        }
 832        return START_STICKY;
 833    }
 834
 835    private void handleOrbotStartedEvent() {
 836        for (final Account account : accounts) {
 837            if (account.getStatus() == Account.State.TOR_NOT_AVAILABLE) {
 838                reconnectAccount(account, true, false);
 839            }
 840        }
 841    }
 842
 843    private boolean processAccountState(Account account, boolean interactive, boolean isUiAction, boolean isAccountPushed, HashSet<Account> pingCandidates) {
 844        boolean pingNow = false;
 845        if (account.getStatus().isAttemptReconnect()) {
 846            if (!hasInternetConnection()) {
 847                account.setStatus(Account.State.NO_INTERNET);
 848                if (statusListener != null) {
 849                    statusListener.onStatusChanged(account);
 850                }
 851            } else {
 852                if (account.getStatus() == Account.State.NO_INTERNET) {
 853                    account.setStatus(Account.State.OFFLINE);
 854                    if (statusListener != null) {
 855                        statusListener.onStatusChanged(account);
 856                    }
 857                }
 858                if (account.getStatus() == Account.State.ONLINE) {
 859                    synchronized (mLowPingTimeoutMode) {
 860                        long lastReceived = account.getXmppConnection().getLastPacketReceived();
 861                        long lastSent = account.getXmppConnection().getLastPingSent();
 862                        long pingInterval = isUiAction ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 863                        long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 864                        int pingTimeout = mLowPingTimeoutMode.contains(account.getJid().asBareJid()) ? Config.LOW_PING_TIMEOUT * 1000 : Config.PING_TIMEOUT * 1000;
 865                        long pingTimeoutIn = (lastSent + pingTimeout) - SystemClock.elapsedRealtime();
 866                        if (lastSent > lastReceived) {
 867                            if (pingTimeoutIn < 0) {
 868                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ping timeout");
 869                                this.reconnectAccount(account, true, interactive);
 870                            } else {
 871                                int secs = (int) (pingTimeoutIn / 1000);
 872                                this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
 873                            }
 874                        } else {
 875                            pingCandidates.add(account);
 876                            if (isAccountPushed) {
 877                                pingNow = true;
 878                                if (mLowPingTimeoutMode.add(account.getJid().asBareJid())) {
 879                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": entering low ping timeout mode");
 880                                }
 881                            } else if (msToNextPing <= 0) {
 882                                pingNow = true;
 883                            } else {
 884                                this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 885                                if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 886                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 887                                }
 888                            }
 889                        }
 890                    }
 891                } else if (account.getStatus() == Account.State.OFFLINE) {
 892                    reconnectAccount(account, true, interactive);
 893                } else if (account.getStatus() == Account.State.CONNECTING) {
 894                    long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
 895                    long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
 896                    long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
 897                    long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
 898                    if (timeout < 0) {
 899                        Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting (secondsSinceLast=" + secondsSinceLastConnect + ")");
 900                        account.getXmppConnection().resetAttemptCount(false);
 901                        reconnectAccount(account, true, interactive);
 902                    } else if (discoTimeout < 0) {
 903                        account.getXmppConnection().sendDiscoTimeout();
 904                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 905                    } else {
 906                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 907                    }
 908                } else {
 909                    if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 910                        reconnectAccount(account, true, interactive);
 911                    }
 912                }
 913            }
 914        }
 915        return pingNow;
 916    }
 917
 918    public void reinitializeMuclumbusService() {
 919        mChannelDiscoveryService.initializeMuclumbusService();
 920    }
 921
 922    public void discoverChannels(String query, ChannelDiscoveryService.Method method, ChannelDiscoveryService.OnChannelSearchResultsFound onChannelSearchResultsFound) {
 923        mChannelDiscoveryService.discover(Strings.nullToEmpty(query).trim(), method, onChannelSearchResultsFound);
 924    }
 925
 926    public boolean isDataSaverDisabled() {
 927        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 928            ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
 929            return !connectivityManager.isActiveNetworkMetered()
 930                    || connectivityManager.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
 931        } else {
 932            return true;
 933        }
 934    }
 935
 936    private void directReply(Conversation conversation, String body, final boolean dismissAfterReply) {
 937        Message message = new Message(conversation, body, conversation.getNextEncryption());
 938        message.markUnread();
 939        if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 940            getPgpEngine().encrypt(message, new UiCallback<Message>() {
 941                @Override
 942                public void success(Message message) {
 943                    if (dismissAfterReply) {
 944                        markRead((Conversation) message.getConversation(), true);
 945                    } else {
 946                        mNotificationService.pushFromDirectReply(message);
 947                    }
 948                }
 949
 950                @Override
 951                public void error(int errorCode, Message object) {
 952
 953                }
 954
 955                @Override
 956                public void userInputRequired(PendingIntent pi, Message object) {
 957
 958                }
 959            });
 960        } else {
 961            sendMessage(message);
 962            if (dismissAfterReply) {
 963                markRead(conversation, true);
 964            } else {
 965                mNotificationService.pushFromDirectReply(message);
 966            }
 967        }
 968    }
 969
 970    private boolean dndOnSilentMode() {
 971        return getBooleanPreference(SettingsActivity.DND_ON_SILENT_MODE, R.bool.dnd_on_silent_mode);
 972    }
 973
 974    private boolean manuallyChangePresence() {
 975        return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
 976    }
 977
 978    private boolean treatVibrateAsSilent() {
 979        return getBooleanPreference(SettingsActivity.TREAT_VIBRATE_AS_SILENT, R.bool.treat_vibrate_as_silent);
 980    }
 981
 982    private boolean awayWhenScreenLocked() {
 983        return getBooleanPreference(SettingsActivity.AWAY_WHEN_SCREEN_IS_OFF, R.bool.away_when_screen_off);
 984    }
 985
 986    private String getCompressPicturesPreference() {
 987        return getPreferences().getString("picture_compression", getResources().getString(R.string.picture_compression));
 988    }
 989
 990    private Presence.Status getTargetPresence() {
 991        if (dndOnSilentMode() && isPhoneSilenced()) {
 992            return Presence.Status.DND;
 993        } else if (awayWhenScreenLocked() && isScreenLocked()) {
 994            return Presence.Status.AWAY;
 995        } else {
 996            return Presence.Status.ONLINE;
 997        }
 998    }
 999
1000    public boolean isScreenLocked() {
1001        final KeyguardManager keyguardManager = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
1002        final PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE);
1003        final boolean locked = keyguardManager != null && keyguardManager.isKeyguardLocked();
1004        final boolean interactive = powerManager != null && powerManager.isInteractive();
1005        return locked || !interactive;
1006    }
1007
1008    private boolean isPhoneSilenced() {
1009        final boolean notificationDnd;
1010        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1011            final NotificationManager notificationManager = getSystemService(NotificationManager.class);
1012            final int filter = notificationManager == null ? NotificationManager.INTERRUPTION_FILTER_UNKNOWN : notificationManager.getCurrentInterruptionFilter();
1013            notificationDnd = filter >= NotificationManager.INTERRUPTION_FILTER_PRIORITY;
1014        } else {
1015            notificationDnd = false;
1016        }
1017        final AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
1018        final int ringerMode = audioManager == null ? AudioManager.RINGER_MODE_NORMAL : audioManager.getRingerMode();
1019        try {
1020            if (treatVibrateAsSilent()) {
1021                return notificationDnd || ringerMode != AudioManager.RINGER_MODE_NORMAL;
1022            } else {
1023                return notificationDnd || ringerMode == AudioManager.RINGER_MODE_SILENT;
1024            }
1025        } catch (Throwable throwable) {
1026            Log.d(Config.LOGTAG, "platform bug in isPhoneSilenced (" + throwable.getMessage() + ")");
1027            return notificationDnd;
1028        }
1029    }
1030
1031    private void resetAllAttemptCounts(boolean reallyAll, boolean retryImmediately) {
1032        Log.d(Config.LOGTAG, "resetting all attempt counts");
1033        for (Account account : accounts) {
1034            if (account.hasErrorStatus() || reallyAll) {
1035                final XmppConnection connection = account.getXmppConnection();
1036                if (connection != null) {
1037                    connection.resetAttemptCount(retryImmediately);
1038                }
1039            }
1040            if (account.setShowErrorNotification(true)) {
1041                mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
1042            }
1043        }
1044        mNotificationService.updateErrorNotification();
1045    }
1046
1047    private void dismissErrorNotifications() {
1048        for (final Account account : this.accounts) {
1049            if (account.hasErrorStatus()) {
1050                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": dismissing error notification");
1051                if (account.setShowErrorNotification(false)) {
1052                    mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
1053                }
1054            }
1055        }
1056    }
1057
1058    private void expireOldMessages() {
1059        expireOldMessages(false);
1060    }
1061
1062    public void expireOldMessages(final boolean resetHasMessagesLeftOnServer) {
1063        mLastExpiryRun.set(SystemClock.elapsedRealtime());
1064        mDatabaseWriterExecutor.execute(() -> {
1065            long timestamp = getAutomaticMessageDeletionDate();
1066            if (timestamp > 0) {
1067                databaseBackend.expireOldMessages(timestamp);
1068                synchronized (XmppConnectionService.this.conversations) {
1069                    for (Conversation conversation : XmppConnectionService.this.conversations) {
1070                        conversation.expireOldMessages(timestamp);
1071                        if (resetHasMessagesLeftOnServer) {
1072                            conversation.messagesLoaded.set(true);
1073                            conversation.setHasMessagesLeftOnServer(true);
1074                        }
1075                    }
1076                }
1077                updateConversationUi();
1078            }
1079        });
1080    }
1081
1082    public boolean hasInternetConnection() {
1083        final ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
1084        try {
1085            final NetworkInfo activeNetwork = cm == null ? null : cm.getActiveNetworkInfo();
1086            return activeNetwork != null && (activeNetwork.isConnected() || activeNetwork.getType() == ConnectivityManager.TYPE_ETHERNET);
1087        } catch (RuntimeException e) {
1088            Log.d(Config.LOGTAG, "unable to check for internet connection", e);
1089            return true; //if internet connection can not be checked it is probably best to just try
1090        }
1091    }
1092
1093    @SuppressLint("TrulyRandom")
1094    @Override
1095    public void onCreate() {
1096        if (Compatibility.runsTwentySix()) {
1097            mNotificationService.initializeChannels();
1098        }
1099        mChannelDiscoveryService.initializeMuclumbusService();
1100        mForceDuringOnCreate.set(Compatibility.runsAndTargetsTwentySix(this));
1101        toggleForegroundService();
1102        this.destroyed = false;
1103        OmemoSetting.load(this);
1104        ExceptionHelper.init(getApplicationContext());
1105        try {
1106            Security.insertProviderAt(Conscrypt.newProvider(), 1);
1107        } catch (Throwable throwable) {
1108            Log.e(Config.LOGTAG, "unable to initialize security provider", throwable);
1109        }
1110        Resolver.init(this);
1111        this.mRandom = new SecureRandom();
1112        updateMemorizingTrustmanager();
1113        final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
1114        final int cacheSize = maxMemory / 8;
1115        this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
1116            @Override
1117            protected int sizeOf(final String key, final Bitmap bitmap) {
1118                return bitmap.getByteCount() / 1024;
1119            }
1120        };
1121        if (mLastActivity == 0) {
1122            mLastActivity = getPreferences().getLong(SETTING_LAST_ACTIVITY_TS, System.currentTimeMillis());
1123        }
1124
1125        Log.d(Config.LOGTAG, "initializing database...");
1126        this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
1127        Log.d(Config.LOGTAG, "restoring accounts...");
1128        this.accounts = databaseBackend.getAccounts();
1129        final SharedPreferences.Editor editor = getPreferences().edit();
1130        if (this.accounts.size() == 0 && Arrays.asList("Sony", "Sony Ericsson").contains(Build.MANUFACTURER)) {
1131            editor.putBoolean(SettingsActivity.KEEP_FOREGROUND_SERVICE, true);
1132            Log.d(Config.LOGTAG, Build.MANUFACTURER + " is on blacklist. enabling foreground service");
1133        }
1134        final boolean hasEnabledAccounts = hasEnabledAccounts();
1135        editor.putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
1136        editor.apply();
1137        toggleSetProfilePictureActivity(hasEnabledAccounts);
1138
1139        restoreFromDatabase();
1140
1141        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || ContextCompat.checkSelfPermission(this, Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
1142            startContactObserver();
1143        }
1144        mFileAddingExecutor.execute(fileBackend::deleteHistoricAvatarPath);
1145        if (Compatibility.hasStoragePermission(this)) {
1146            Log.d(Config.LOGTAG, "starting file observer");
1147            mFileAddingExecutor.execute(this.fileObserver::startWatching);
1148            mFileAddingExecutor.execute(this::checkForDeletedFiles);
1149        }
1150        if (Config.supportOpenPgp()) {
1151            this.pgpServiceConnection = new OpenPgpServiceConnection(this, "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
1152                @Override
1153                public void onBound(IOpenPgpService2 service) {
1154                    for (Account account : accounts) {
1155                        final PgpDecryptionService pgp = account.getPgpDecryptionService();
1156                        if (pgp != null) {
1157                            pgp.continueDecryption(true);
1158                        }
1159                    }
1160                }
1161
1162                @Override
1163                public void onError(Exception e) {
1164                }
1165            });
1166            this.pgpServiceConnection.bindToService();
1167        }
1168
1169        this.pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
1170        this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Conversations:Service");
1171
1172        toggleForegroundService();
1173        updateUnreadCountBadge();
1174        toggleScreenEventReceiver();
1175        final IntentFilter intentFilter = new IntentFilter();
1176        intentFilter.addAction(TorServiceUtils.ACTION_STATUS);
1177        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1178            scheduleNextIdlePing();
1179            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1180                intentFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
1181            }
1182            intentFilter.addAction(NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED);
1183        }
1184        registerReceiver(this.mInternalEventReceiver, intentFilter);
1185        mForceDuringOnCreate.set(false);
1186        toggleForegroundService();
1187        setupPhoneStateListener();
1188    }
1189
1190
1191    private void setupPhoneStateListener() {
1192        final TelephonyManager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
1193        if (telephonyManager != null) {
1194            telephonyManager.listen(phoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);
1195        }
1196    }
1197
1198    public boolean isPhoneInCall() {
1199        return isPhoneInCall.get();
1200    }
1201
1202    private void checkForDeletedFiles() {
1203        if (destroyed) {
1204            Log.d(Config.LOGTAG, "Do not check for deleted files because service has been destroyed");
1205            return;
1206        }
1207        final long start = SystemClock.elapsedRealtime();
1208        final List<DatabaseBackend.FilePathInfo> relativeFilePaths = databaseBackend.getFilePathInfo();
1209        final List<DatabaseBackend.FilePathInfo> changed = new ArrayList<>();
1210        for (final DatabaseBackend.FilePathInfo filePath : relativeFilePaths) {
1211            if (destroyed) {
1212                Log.d(Config.LOGTAG, "Stop checking for deleted files because service has been destroyed");
1213                return;
1214            }
1215            final File file = fileBackend.getFileForPath(filePath.path);
1216            if (filePath.setDeleted(!file.exists())) {
1217                changed.add(filePath);
1218            }
1219        }
1220        final long duration = SystemClock.elapsedRealtime() - start;
1221        Log.d(Config.LOGTAG, "found " + changed.size() + " changed files on start up. total=" + relativeFilePaths.size() + ". (" + duration + "ms)");
1222        if (changed.size() > 0) {
1223            databaseBackend.markFilesAsChanged(changed);
1224            markChangedFiles(changed);
1225        }
1226    }
1227
1228    public void startContactObserver() {
1229        getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, new ContentObserver(null) {
1230            @Override
1231            public void onChange(boolean selfChange) {
1232                super.onChange(selfChange);
1233                if (restoredFromDatabaseLatch.getCount() == 0) {
1234                    loadPhoneContacts();
1235                }
1236            }
1237        });
1238    }
1239
1240    @Override
1241    public void onTrimMemory(int level) {
1242        super.onTrimMemory(level);
1243        if (level >= TRIM_MEMORY_COMPLETE) {
1244            Log.d(Config.LOGTAG, "clear cache due to low memory");
1245            getBitmapCache().evictAll();
1246        }
1247    }
1248
1249    @Override
1250    public void onDestroy() {
1251        try {
1252            unregisterReceiver(this.mInternalEventReceiver);
1253            unregisterReceiver(this.mInternalScreenEventReceiver);
1254        } catch (final IllegalArgumentException e) {
1255            //ignored
1256        }
1257        destroyed = false;
1258        fileObserver.stopWatching();
1259        super.onDestroy();
1260    }
1261
1262    public void restartFileObserver() {
1263        Log.d(Config.LOGTAG, "restarting file observer");
1264        mFileAddingExecutor.execute(this.fileObserver::restartWatching);
1265        mFileAddingExecutor.execute(this::checkForDeletedFiles);
1266    }
1267
1268    public void toggleScreenEventReceiver() {
1269        if (awayWhenScreenLocked() && !manuallyChangePresence()) {
1270            final IntentFilter filter = new IntentFilter();
1271            filter.addAction(Intent.ACTION_SCREEN_ON);
1272            filter.addAction(Intent.ACTION_SCREEN_OFF);
1273            filter.addAction(Intent.ACTION_USER_PRESENT);
1274            registerReceiver(this.mInternalScreenEventReceiver, filter);
1275        } else {
1276            try {
1277                unregisterReceiver(this.mInternalScreenEventReceiver);
1278            } catch (IllegalArgumentException e) {
1279                //ignored
1280            }
1281        }
1282    }
1283
1284    public void toggleForegroundService() {
1285        toggleForegroundService(false);
1286    }
1287
1288    public void setOngoingCall(AbstractJingleConnection.Id id, Set<Media> media) {
1289        ongoingCall.set(new OngoingCall(id, media));
1290        toggleForegroundService(false);
1291    }
1292
1293    public void removeOngoingCall() {
1294        ongoingCall.set(null);
1295        toggleForegroundService(false);
1296    }
1297
1298    private void toggleForegroundService(boolean force) {
1299        final boolean status;
1300        final OngoingCall ongoing = ongoingCall.get();
1301        if (force || mForceDuringOnCreate.get() || mForceForegroundService.get() || ongoing != null || (Compatibility.keepForegroundService(this) && hasEnabledAccounts())) {
1302            final Notification notification;
1303            final int id;
1304            if (ongoing != null) {
1305                notification = this.mNotificationService.getOngoingCallNotification(ongoing.id, ongoing.media);
1306                id = NotificationService.ONGOING_CALL_NOTIFICATION_ID;
1307                startForeground(id, notification);
1308                mNotificationService.cancel(NotificationService.FOREGROUND_NOTIFICATION_ID);
1309            } else {
1310                notification = this.mNotificationService.createForegroundNotification();
1311                id = NotificationService.FOREGROUND_NOTIFICATION_ID;
1312                startForeground(id, notification);
1313            }
1314
1315            if (!mForceForegroundService.get()) {
1316                mNotificationService.notify(id, notification);
1317            }
1318            status = true;
1319        } else {
1320            stopForeground(true);
1321            status = false;
1322        }
1323        if (!mForceForegroundService.get()) {
1324            mNotificationService.cancel(NotificationService.FOREGROUND_NOTIFICATION_ID);
1325        }
1326        if (ongoing == null) {
1327            mNotificationService.cancel(NotificationService.ONGOING_CALL_NOTIFICATION_ID);
1328        }
1329        Log.d(Config.LOGTAG, "ForegroundService: " + (status ? "on" : "off"));
1330    }
1331
1332    public boolean foregroundNotificationNeedsUpdatingWhenErrorStateChanges() {
1333        return !mForceForegroundService.get() && ongoingCall.get() == null && Compatibility.keepForegroundService(this) && hasEnabledAccounts();
1334    }
1335
1336    @Override
1337    public void onTaskRemoved(final Intent rootIntent) {
1338        super.onTaskRemoved(rootIntent);
1339        if ((Compatibility.keepForegroundService(this) && hasEnabledAccounts()) || mForceForegroundService.get() || ongoingCall.get() != null) {
1340            Log.d(Config.LOGTAG, "ignoring onTaskRemoved because foreground service is activated");
1341        } else {
1342            this.logoutAndSave(false);
1343        }
1344    }
1345
1346    private void logoutAndSave(boolean stop) {
1347        int activeAccounts = 0;
1348        for (final Account account : accounts) {
1349            if (account.getStatus() != Account.State.DISABLED) {
1350                databaseBackend.writeRoster(account.getRoster());
1351                activeAccounts++;
1352            }
1353            if (account.getXmppConnection() != null) {
1354                new Thread(() -> disconnect(account, false)).start();
1355            }
1356        }
1357        if (stop || activeAccounts == 0) {
1358            Log.d(Config.LOGTAG, "good bye");
1359            stopSelf();
1360        }
1361    }
1362
1363    private void schedulePostConnectivityChange() {
1364        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1365        if (alarmManager == null) {
1366            return;
1367        }
1368        final long triggerAtMillis = SystemClock.elapsedRealtime() + (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL * 1000);
1369        final Intent intent = new Intent(this, EventReceiver.class);
1370        intent.setAction(ACTION_POST_CONNECTIVITY_CHANGE);
1371        try {
1372            final PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 1, intent, 0);
1373            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1374                alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1375            } else {
1376                alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1377            }
1378        } catch (RuntimeException e) {
1379            Log.e(Config.LOGTAG, "unable to schedule alarm for post connectivity change", e);
1380        }
1381    }
1382
1383    public void scheduleWakeUpCall(int seconds, int requestCode) {
1384        final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000;
1385        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1386        if (alarmManager == null) {
1387            return;
1388        }
1389        final Intent intent = new Intent(this, EventReceiver.class);
1390        intent.setAction("ping");
1391        try {
1392            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, requestCode, intent, 0);
1393            alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1394        } catch (RuntimeException e) {
1395            Log.e(Config.LOGTAG, "unable to schedule alarm for ping", e);
1396        }
1397    }
1398
1399    @TargetApi(Build.VERSION_CODES.M)
1400    private void scheduleNextIdlePing() {
1401        final long timeToWake = SystemClock.elapsedRealtime() + (Config.IDLE_PING_INTERVAL * 1000);
1402        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1403        if (alarmManager == null) {
1404            return;
1405        }
1406        final Intent intent = new Intent(this, EventReceiver.class);
1407        intent.setAction(ACTION_IDLE_PING);
1408        try {
1409            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
1410            alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1411        } catch (RuntimeException e) {
1412            Log.d(Config.LOGTAG, "unable to schedule alarm for idle ping", e);
1413        }
1414    }
1415
1416    public XmppConnection createConnection(final Account account) {
1417        final XmppConnection connection = new XmppConnection(account, this);
1418        connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1419        connection.setOnStatusChangedListener(this.statusListener);
1420        connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1421        connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1422        connection.setOnJinglePacketReceivedListener(((a, jp) -> mJingleConnectionManager.deliverPacket(a, jp)));
1423        connection.setOnBindListener(this.mOnBindListener);
1424        connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1425        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1426        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1427        AxolotlService axolotlService = account.getAxolotlService();
1428        if (axolotlService != null) {
1429            connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1430        }
1431        return connection;
1432    }
1433
1434    public void sendChatState(Conversation conversation) {
1435        if (sendChatStates()) {
1436            MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1437            sendMessagePacket(conversation.getAccount(), packet);
1438        }
1439    }
1440
1441    private void sendFileMessage(final Message message, final boolean delay) {
1442        Log.d(Config.LOGTAG, "send file message");
1443        final Account account = message.getConversation().getAccount();
1444        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1445                || message.getConversation().getMode() == Conversation.MODE_MULTI) {
1446            mHttpConnectionManager.createNewUploadConnection(message, delay);
1447        } else {
1448            mJingleConnectionManager.startJingleFileTransfer(message);
1449        }
1450    }
1451
1452    public void sendMessage(final Message message) {
1453        sendMessage(message, false, false);
1454    }
1455
1456    private void sendMessage(final Message message, final boolean resend, final boolean delay) {
1457        final Account account = message.getConversation().getAccount();
1458        if (account.setShowErrorNotification(true)) {
1459            databaseBackend.updateAccount(account);
1460            mNotificationService.updateErrorNotification();
1461        }
1462        final Conversation conversation = (Conversation) message.getConversation();
1463        account.deactivateGracePeriod();
1464
1465
1466        if (QuickConversationsService.isQuicksy() && conversation.getMode() == Conversation.MODE_SINGLE) {
1467            final Contact contact = conversation.getContact();
1468            if (!contact.showInRoster() && contact.getOption(Contact.Options.SYNCED_VIA_OTHER)) {
1469                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": adding " + contact.getJid() + " on sending message");
1470                createContact(contact, true);
1471            }
1472        }
1473
1474        MessagePacket packet = null;
1475        final boolean addToConversation = (conversation.getMode() != Conversation.MODE_MULTI
1476                || !Patches.BAD_MUC_REFLECTION.contains(account.getServerIdentity()))
1477                && !message.edited();
1478        boolean saveInDb = addToConversation;
1479        message.setStatus(Message.STATUS_WAITING);
1480
1481        if (message.getEncryption() != Message.ENCRYPTION_NONE && conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous()) {
1482            if (conversation.setAttribute(Conversation.ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS, true)) {
1483                databaseBackend.updateConversation(conversation);
1484            }
1485        }
1486
1487        final boolean inProgressJoin = isJoinInProgress(conversation);
1488
1489
1490        if (account.isOnlineAndConnected() && !inProgressJoin) {
1491            switch (message.getEncryption()) {
1492                case Message.ENCRYPTION_NONE:
1493                    if (message.needsUploading()) {
1494                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1495                                || conversation.getMode() == Conversation.MODE_MULTI
1496                                || message.fixCounterpart()) {
1497                            this.sendFileMessage(message, delay);
1498                        } else {
1499                            break;
1500                        }
1501                    } else {
1502                        packet = mMessageGenerator.generateChat(message);
1503                    }
1504                    break;
1505                case Message.ENCRYPTION_PGP:
1506                case Message.ENCRYPTION_DECRYPTED:
1507                    if (message.needsUploading()) {
1508                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1509                                || conversation.getMode() == Conversation.MODE_MULTI
1510                                || message.fixCounterpart()) {
1511                            this.sendFileMessage(message, delay);
1512                        } else {
1513                            break;
1514                        }
1515                    } else {
1516                        packet = mMessageGenerator.generatePgpChat(message);
1517                    }
1518                    break;
1519                case Message.ENCRYPTION_AXOLOTL:
1520                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1521                    if (message.needsUploading()) {
1522                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1523                                || conversation.getMode() == Conversation.MODE_MULTI
1524                                || message.fixCounterpart()) {
1525                            this.sendFileMessage(message, delay);
1526                        } else {
1527                            break;
1528                        }
1529                    } else {
1530                        XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1531                        if (axolotlMessage == null) {
1532                            account.getAxolotlService().preparePayloadMessage(message, delay);
1533                        } else {
1534                            packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1535                        }
1536                    }
1537                    break;
1538
1539            }
1540            if (packet != null) {
1541                if (account.getXmppConnection().getFeatures().sm()
1542                        || (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1543                    message.setStatus(Message.STATUS_UNSEND);
1544                } else {
1545                    message.setStatus(Message.STATUS_SEND);
1546                }
1547            }
1548        } else {
1549            switch (message.getEncryption()) {
1550                case Message.ENCRYPTION_DECRYPTED:
1551                    if (!message.needsUploading()) {
1552                        String pgpBody = message.getEncryptedBody();
1553                        String decryptedBody = message.getBody();
1554                        message.setBody(pgpBody); //TODO might throw NPE
1555                        message.setEncryption(Message.ENCRYPTION_PGP);
1556                        if (message.edited()) {
1557                            message.setBody(decryptedBody);
1558                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1559                            if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1560                                Log.e(Config.LOGTAG, "error updated message in DB after edit");
1561                            }
1562                            updateConversationUi();
1563                            return;
1564                        } else {
1565                            databaseBackend.createMessage(message);
1566                            saveInDb = false;
1567                            message.setBody(decryptedBody);
1568                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1569                        }
1570                    }
1571                    break;
1572                case Message.ENCRYPTION_AXOLOTL:
1573                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1574                    break;
1575            }
1576        }
1577
1578
1579        boolean mucMessage = conversation.getMode() == Conversation.MODE_MULTI && !message.isPrivateMessage();
1580        if (mucMessage) {
1581            message.setCounterpart(conversation.getMucOptions().getSelf().getFullJid());
1582        }
1583
1584        if (resend) {
1585            if (packet != null && addToConversation) {
1586                if (account.getXmppConnection().getFeatures().sm() || mucMessage) {
1587                    markMessage(message, Message.STATUS_UNSEND);
1588                } else {
1589                    markMessage(message, Message.STATUS_SEND);
1590                }
1591            }
1592        } else {
1593            if (addToConversation) {
1594                conversation.add(message);
1595            }
1596            if (saveInDb) {
1597                databaseBackend.createMessage(message);
1598            } else if (message.edited()) {
1599                if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1600                    Log.e(Config.LOGTAG, "error updated message in DB after edit");
1601                }
1602            }
1603            updateConversationUi();
1604        }
1605        if (packet != null) {
1606            if (delay) {
1607                mMessageGenerator.addDelay(packet, message.getTimeSent());
1608            }
1609            if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
1610                if (this.sendChatStates()) {
1611                    packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1612                }
1613            }
1614            sendMessagePacket(account, packet);
1615        }
1616    }
1617
1618    private boolean isJoinInProgress(final Conversation conversation) {
1619        final Account account = conversation.getAccount();
1620        synchronized (account.inProgressConferenceJoins) {
1621            if (conversation.getMode() == Conversational.MODE_MULTI) {
1622                final boolean inProgress = account.inProgressConferenceJoins.contains(conversation);
1623                final boolean pending = account.pendingConferenceJoins.contains(conversation);
1624                final boolean inProgressJoin = inProgress || pending;
1625                if (inProgressJoin) {
1626                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": holding back message to group. inProgress=" + inProgress + ", pending=" + pending);
1627                }
1628                return inProgressJoin;
1629            } else {
1630                return false;
1631            }
1632        }
1633    }
1634
1635    private void sendUnsentMessages(final Conversation conversation) {
1636        conversation.findWaitingMessages(message -> resendMessage(message, true));
1637    }
1638
1639    public void resendMessage(final Message message, final boolean delay) {
1640        sendMessage(message, true, delay);
1641    }
1642
1643    public void requestEasyOnboardingInvite(final Account account, final EasyOnboardingInvite.OnInviteRequested callback) {
1644        final XmppConnection connection = account.getXmppConnection();
1645        final Jid jid = connection == null ? null : connection.getJidForCommand(Namespace.EASY_ONBOARDING_INVITE);
1646        if (jid == null) {
1647            callback.inviteRequestFailed(getString(R.string.server_does_not_support_easy_onboarding_invites));
1648            return;
1649        }
1650        final IqPacket request = new IqPacket(IqPacket.TYPE.SET);
1651        request.setTo(jid);
1652        final Element command = request.addChild("command", Namespace.COMMANDS);
1653        command.setAttribute("node", Namespace.EASY_ONBOARDING_INVITE);
1654        command.setAttribute("action", "execute");
1655        sendIqPacket(account, request, (a, response) -> {
1656            if (response.getType() == IqPacket.TYPE.RESULT) {
1657                final Element resultCommand = response.findChild("command", Namespace.COMMANDS);
1658                final Element x = resultCommand == null ? null : resultCommand.findChild("x", Namespace.DATA);
1659                if (x != null) {
1660                    final Data data = Data.parse(x);
1661                    final String uri = data.getValue("uri");
1662                    final String landingUrl = data.getValue("landing-url");
1663                    if (uri != null) {
1664                        final EasyOnboardingInvite invite = new EasyOnboardingInvite(jid.getDomain().toEscapedString(), uri, landingUrl);
1665                        callback.inviteRequested(invite);
1666                        return;
1667                    }
1668                }
1669                callback.inviteRequestFailed(getString(R.string.unable_to_parse_invite));
1670                Log.d(Config.LOGTAG, response.toString());
1671            } else if (response.getType() == IqPacket.TYPE.ERROR) {
1672                callback.inviteRequestFailed(IqParser.errorMessage(response));
1673            } else {
1674                callback.inviteRequestFailed(getString(R.string.remote_server_timeout));
1675            }
1676        });
1677
1678    }
1679
1680    public void fetchRosterFromServer(final Account account) {
1681        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1682        if (!"".equals(account.getRosterVersion())) {
1683            Log.d(Config.LOGTAG, account.getJid().asBareJid()
1684                    + ": fetching roster version " + account.getRosterVersion());
1685        } else {
1686            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching roster");
1687        }
1688        iqPacket.query(Namespace.ROSTER).setAttribute("ver", account.getRosterVersion());
1689        sendIqPacket(account, iqPacket, mIqParser);
1690    }
1691
1692    public void fetchBookmarks(final Account account) {
1693        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1694        final Element query = iqPacket.query("jabber:iq:private");
1695        query.addChild("storage", Namespace.BOOKMARKS);
1696        final OnIqPacketReceived callback = (a, response) -> {
1697            if (response.getType() == IqPacket.TYPE.RESULT) {
1698                final Element query1 = response.query();
1699                final Element storage = query1.findChild("storage", "storage:bookmarks");
1700                Map<Jid, Bookmark> bookmarks = Bookmark.parseFromStorage(storage, account);
1701                processBookmarksInitial(a, bookmarks, false);
1702            } else {
1703                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": could not fetch bookmarks");
1704            }
1705        };
1706        sendIqPacket(account, iqPacket, callback);
1707    }
1708
1709    public void fetchBookmarks2(final Account account) {
1710        final IqPacket retrieve = mIqGenerator.retrieveBookmarks();
1711        sendIqPacket(account, retrieve, new OnIqPacketReceived() {
1712            @Override
1713            public void onIqPacketReceived(final Account account, final IqPacket response) {
1714                if (response.getType() == IqPacket.TYPE.RESULT) {
1715                    final Element pubsub = response.findChild("pubsub", Namespace.PUBSUB);
1716                    final Map<Jid, Bookmark> bookmarks = Bookmark.parseFromPubsub(pubsub, account);
1717                    processBookmarksInitial(account, bookmarks, true);
1718                }
1719            }
1720        });
1721    }
1722
1723    public void processBookmarksInitial(Account account, Map<Jid, Bookmark> bookmarks, final boolean pep) {
1724        final Set<Jid> previousBookmarks = account.getBookmarkedJids();
1725        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1726        for (Bookmark bookmark : bookmarks.values()) {
1727            previousBookmarks.remove(bookmark.getJid().asBareJid());
1728            processModifiedBookmark(bookmark, pep, synchronizeWithBookmarks);
1729        }
1730        if (pep && synchronizeWithBookmarks) {
1731            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": " + previousBookmarks.size() + " bookmarks have been removed");
1732            for (Jid jid : previousBookmarks) {
1733                processDeletedBookmark(account, jid);
1734            }
1735        }
1736        account.setBookmarks(bookmarks);
1737    }
1738
1739    public void processDeletedBookmark(Account account, Jid jid) {
1740        final Conversation conversation = find(account, jid);
1741        if (conversation != null && conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
1742            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving destroyed conference (" + conversation.getJid() + ") after receiving pep");
1743            archiveConversation(conversation, false);
1744        }
1745    }
1746
1747    private void processModifiedBookmark(Bookmark bookmark, final boolean pep, final boolean synchronizeWithBookmarks) {
1748        final Account account = bookmark.getAccount();
1749        Conversation conversation = find(bookmark);
1750        if (conversation != null) {
1751            if (conversation.getMode() != Conversation.MODE_MULTI) {
1752                return;
1753            }
1754            bookmark.setConversation(conversation);
1755            if (pep && synchronizeWithBookmarks && !bookmark.autojoin()) {
1756                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conference (" + conversation.getJid() + ") after receiving pep");
1757                archiveConversation(conversation, false);
1758            } else {
1759                final MucOptions mucOptions = conversation.getMucOptions();
1760                if (mucOptions.getError() == MucOptions.Error.NICK_IN_USE) {
1761                    final String current = mucOptions.getActualNick();
1762                    final String proposed = mucOptions.getProposedNick();
1763                    if (current != null && !current.equals(proposed)) {
1764                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": proposed nick changed after bookmark push " + current + "->" + proposed);
1765                        joinMuc(conversation);
1766                    }
1767                }
1768            }
1769        } else if (synchronizeWithBookmarks && bookmark.autojoin()) {
1770            conversation = findOrCreateConversation(account, bookmark.getFullJid(), true, true, false);
1771            bookmark.setConversation(conversation);
1772        }
1773    }
1774
1775    public void processModifiedBookmark(Bookmark bookmark) {
1776        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1777        processModifiedBookmark(bookmark, true, synchronizeWithBookmarks);
1778    }
1779
1780    public void createBookmark(final Account account, final Bookmark bookmark) {
1781        account.putBookmark(bookmark);
1782        final XmppConnection connection = account.getXmppConnection();
1783        if (connection.getFeatures().bookmarks2()) {
1784            final Element item = mIqGenerator.publishBookmarkItem(bookmark);
1785            pushNodeAndEnforcePublishOptions(account, Namespace.BOOKMARKS2, item, bookmark.getJid().asBareJid().toEscapedString(), PublishOptions.persistentWhitelistAccessMaxItems());
1786        } else if (connection.getFeatures().bookmarksConversion()) {
1787            pushBookmarksPep(account);
1788        } else {
1789            pushBookmarksPrivateXml(account);
1790        }
1791    }
1792
1793    public void deleteBookmark(final Account account, final Bookmark bookmark) {
1794        account.removeBookmark(bookmark);
1795        final XmppConnection connection = account.getXmppConnection();
1796        if (connection.getFeatures().bookmarks2()) {
1797            IqPacket request = mIqGenerator.deleteItem(Namespace.BOOKMARKS2, bookmark.getJid().asBareJid().toEscapedString());
1798            sendIqPacket(account, request, (a, response) -> {
1799                if (response.getType() == IqPacket.TYPE.ERROR) {
1800                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": unable to delete bookmark " + response.getErrorCondition());
1801                }
1802            });
1803        } else if (connection.getFeatures().bookmarksConversion()) {
1804            pushBookmarksPep(account);
1805        } else {
1806            pushBookmarksPrivateXml(account);
1807        }
1808    }
1809
1810    private void pushBookmarksPrivateXml(Account account) {
1811        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via private xml");
1812        IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1813        Element query = iqPacket.query("jabber:iq:private");
1814        Element storage = query.addChild("storage", "storage:bookmarks");
1815        for (Bookmark bookmark : account.getBookmarks()) {
1816            storage.addChild(bookmark);
1817        }
1818        sendIqPacket(account, iqPacket, mDefaultIqHandler);
1819    }
1820
1821    private void pushBookmarksPep(Account account) {
1822        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via pep");
1823        Element storage = new Element("storage", "storage:bookmarks");
1824        for (Bookmark bookmark : account.getBookmarks()) {
1825            storage.addChild(bookmark);
1826        }
1827        pushNodeAndEnforcePublishOptions(account, Namespace.BOOKMARKS, storage, "current", PublishOptions.persistentWhitelistAccess());
1828
1829    }
1830
1831    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options) {
1832        pushNodeAndEnforcePublishOptions(account, node, element, id, options, true);
1833
1834    }
1835
1836    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options, final boolean retry) {
1837        final IqPacket packet = mIqGenerator.publishElement(node, element, id, options);
1838        sendIqPacket(account, packet, (a, response) -> {
1839            if (response.getType() == IqPacket.TYPE.RESULT) {
1840                return;
1841            }
1842            if (retry && PublishOptions.preconditionNotMet(response)) {
1843                pushNodeConfiguration(account, node, options, new OnConfigurationPushed() {
1844                    @Override
1845                    public void onPushSucceeded() {
1846                        pushNodeAndEnforcePublishOptions(account, node, element, id, options, false);
1847                    }
1848
1849                    @Override
1850                    public void onPushFailed() {
1851                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to push node configuration (" + node + ")");
1852                    }
1853                });
1854            } else {
1855                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error publishing bookmarks (retry=" + retry + ") " + response);
1856            }
1857        });
1858    }
1859
1860    private void restoreFromDatabase() {
1861        synchronized (this.conversations) {
1862            final Map<String, Account> accountLookupTable = new Hashtable<>();
1863            for (Account account : this.accounts) {
1864                accountLookupTable.put(account.getUuid(), account);
1865            }
1866            Log.d(Config.LOGTAG, "restoring conversations...");
1867            final long startTimeConversationsRestore = SystemClock.elapsedRealtime();
1868            this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1869            for (Iterator<Conversation> iterator = conversations.listIterator(); iterator.hasNext(); ) {
1870                Conversation conversation = iterator.next();
1871                Account account = accountLookupTable.get(conversation.getAccountUuid());
1872                if (account != null) {
1873                    conversation.setAccount(account);
1874                } else {
1875                    Log.e(Config.LOGTAG, "unable to restore Conversations with " + conversation.getJid());
1876                    iterator.remove();
1877                }
1878            }
1879            long diffConversationsRestore = SystemClock.elapsedRealtime() - startTimeConversationsRestore;
1880            Log.d(Config.LOGTAG, "finished restoring conversations in " + diffConversationsRestore + "ms");
1881            Runnable runnable = () -> {
1882                long deletionDate = getAutomaticMessageDeletionDate();
1883                mLastExpiryRun.set(SystemClock.elapsedRealtime());
1884                if (deletionDate > 0) {
1885                    Log.d(Config.LOGTAG, "deleting messages that are older than " + AbstractGenerator.getTimestamp(deletionDate));
1886                    databaseBackend.expireOldMessages(deletionDate);
1887                }
1888                Log.d(Config.LOGTAG, "restoring roster...");
1889                for (Account account : accounts) {
1890                    databaseBackend.readRoster(account.getRoster());
1891                    account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1892                }
1893                getBitmapCache().evictAll();
1894                loadPhoneContacts();
1895                Log.d(Config.LOGTAG, "restoring messages...");
1896                final long startMessageRestore = SystemClock.elapsedRealtime();
1897                final Conversation quickLoad = QuickLoader.get(this.conversations);
1898                if (quickLoad != null) {
1899                    restoreMessages(quickLoad);
1900                    updateConversationUi();
1901                    final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1902                    Log.d(Config.LOGTAG, "quickly restored " + quickLoad.getName() + " after " + diffMessageRestore + "ms");
1903                }
1904                for (Conversation conversation : this.conversations) {
1905                    if (quickLoad != conversation) {
1906                        restoreMessages(conversation);
1907                    }
1908                }
1909                mNotificationService.finishBacklog(false);
1910                restoredFromDatabaseLatch.countDown();
1911                final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1912                Log.d(Config.LOGTAG, "finished restoring messages in " + diffMessageRestore + "ms");
1913                updateConversationUi();
1914            };
1915            mDatabaseReaderExecutor.execute(runnable); //will contain one write command (expiry) but that's fine
1916        }
1917    }
1918
1919    private void restoreMessages(Conversation conversation) {
1920        conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1921        conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
1922        conversation.findUnreadMessages(message -> mNotificationService.pushFromBacklog(message));
1923    }
1924
1925    public void loadPhoneContacts() {
1926        mContactMergerExecutor.execute(() -> {
1927            Map<Jid, JabberIdContact> contacts = JabberIdContact.load(this);
1928            Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1929            for (Account account : accounts) {
1930                List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts(JabberIdContact.class);
1931                for (JabberIdContact jidContact : contacts.values()) {
1932                    final Contact contact = account.getRoster().getContact(jidContact.getJid());
1933                    boolean needsCacheClean = contact.setPhoneContact(jidContact);
1934                    if (needsCacheClean) {
1935                        getAvatarService().clear(contact);
1936                    }
1937                    withSystemAccounts.remove(contact);
1938                }
1939                for (Contact contact : withSystemAccounts) {
1940                    boolean needsCacheClean = contact.unsetPhoneContact(JabberIdContact.class);
1941                    if (needsCacheClean) {
1942                        getAvatarService().clear(contact);
1943                    }
1944                }
1945            }
1946            Log.d(Config.LOGTAG, "finished merging phone contacts");
1947            mShortcutService.refresh(mInitialAddressbookSyncCompleted.compareAndSet(false, true));
1948            updateRosterUi();
1949            mQuickConversationsService.considerSync();
1950        });
1951    }
1952
1953
1954    public void syncRoster(final Account account) {
1955        mRosterSyncTaskManager.execute(account, () -> databaseBackend.writeRoster(account.getRoster()));
1956    }
1957
1958    public List<Conversation> getConversations() {
1959        return this.conversations;
1960    }
1961
1962    private void markFileDeleted(final File file) {
1963        synchronized (FILENAMES_TO_IGNORE_DELETION) {
1964            if (FILENAMES_TO_IGNORE_DELETION.remove(file.getAbsolutePath())) {
1965                Log.d(Config.LOGTAG, "ignored deletion of " + file.getAbsolutePath());
1966                return;
1967            }
1968        }
1969        final boolean isInternalFile = fileBackend.isInternalFile(file);
1970        final List<String> uuids = databaseBackend.markFileAsDeleted(file, isInternalFile);
1971        Log.d(Config.LOGTAG, "deleted file " + file.getAbsolutePath() + " internal=" + isInternalFile + ", database hits=" + uuids.size());
1972        markUuidsAsDeletedFiles(uuids);
1973    }
1974
1975    private void markUuidsAsDeletedFiles(List<String> uuids) {
1976        boolean deleted = false;
1977        for (Conversation conversation : getConversations()) {
1978            deleted |= conversation.markAsDeleted(uuids);
1979        }
1980        for (final String uuid : uuids) {
1981            evictPreview(uuid);
1982        }
1983        if (deleted) {
1984            updateConversationUi();
1985        }
1986    }
1987
1988    private void markChangedFiles(List<DatabaseBackend.FilePathInfo> infos) {
1989        boolean changed = false;
1990        for (Conversation conversation : getConversations()) {
1991            changed |= conversation.markAsChanged(infos);
1992        }
1993        if (changed) {
1994            updateConversationUi();
1995        }
1996    }
1997
1998    public void populateWithOrderedConversations(final List<Conversation> list) {
1999        populateWithOrderedConversations(list, true, true);
2000    }
2001
2002    public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload) {
2003        populateWithOrderedConversations(list, includeNoFileUpload, true);
2004    }
2005
2006    public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload, final boolean sort) {
2007        final List<String> orderedUuids;
2008        if (sort) {
2009            orderedUuids = null;
2010        } else {
2011            orderedUuids = new ArrayList<>();
2012            for (Conversation conversation : list) {
2013                orderedUuids.add(conversation.getUuid());
2014            }
2015        }
2016        list.clear();
2017        if (includeNoFileUpload) {
2018            list.addAll(getConversations());
2019        } else {
2020            for (Conversation conversation : getConversations()) {
2021                if (conversation.getMode() == Conversation.MODE_SINGLE
2022                        || (conversation.getAccount().httpUploadAvailable() && conversation.getMucOptions().participating())) {
2023                    list.add(conversation);
2024                }
2025            }
2026        }
2027        try {
2028            if (orderedUuids != null) {
2029                Collections.sort(list, (a, b) -> {
2030                    final int indexA = orderedUuids.indexOf(a.getUuid());
2031                    final int indexB = orderedUuids.indexOf(b.getUuid());
2032                    if (indexA == -1 || indexB == -1 || indexA == indexB) {
2033                        return a.compareTo(b);
2034                    }
2035                    return indexA - indexB;
2036                });
2037            } else {
2038                Collections.sort(list);
2039            }
2040        } catch (IllegalArgumentException e) {
2041            //ignore
2042        }
2043    }
2044
2045    public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
2046        if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
2047            return;
2048        } else if (timestamp == 0) {
2049            return;
2050        }
2051        Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
2052        final Runnable runnable = () -> {
2053            final Account account = conversation.getAccount();
2054            List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
2055            if (messages.size() > 0) {
2056                conversation.addAll(0, messages);
2057                callback.onMoreMessagesLoaded(messages.size(), conversation);
2058            } else if (conversation.hasMessagesLeftOnServer()
2059                    && account.isOnlineAndConnected()
2060                    && conversation.getLastClearHistory().getTimestamp() == 0) {
2061                final boolean mamAvailable;
2062                if (conversation.getMode() == Conversation.MODE_SINGLE) {
2063                    mamAvailable = account.getXmppConnection().getFeatures().mam() && !conversation.getContact().isBlocked();
2064                } else {
2065                    mamAvailable = conversation.getMucOptions().mamSupport();
2066                }
2067                if (mamAvailable) {
2068                    MessageArchiveService.Query query = getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
2069                    if (query != null) {
2070                        query.setCallback(callback);
2071                        callback.informUser(R.string.fetching_history_from_server);
2072                    } else {
2073                        callback.informUser(R.string.not_fetching_history_retention_period);
2074                    }
2075
2076                }
2077            }
2078        };
2079        mDatabaseReaderExecutor.execute(runnable);
2080    }
2081
2082    public List<Account> getAccounts() {
2083        return this.accounts;
2084    }
2085
2086
2087    /**
2088     * 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)
2089     */
2090    public List<Conversation> findAllConferencesWith(Contact contact) {
2091        final ArrayList<Conversation> results = new ArrayList<>();
2092        for (final Conversation c : conversations) {
2093            if (c.getMode() != Conversation.MODE_MULTI) {
2094                continue;
2095            }
2096            final MucOptions mucOptions = c.getMucOptions();
2097            if (c.getJid().asBareJid().equals(contact.getJid().asBareJid()) || (mucOptions != null && mucOptions.isContactInRoom(contact))) {
2098                results.add(c);
2099            }
2100        }
2101        return results;
2102    }
2103
2104    public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
2105        for (final Conversation conversation : haystack) {
2106            if (conversation.getContact() == contact) {
2107                return conversation;
2108            }
2109        }
2110        return null;
2111    }
2112
2113    public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
2114        if (jid == null) {
2115            return null;
2116        }
2117        for (final Conversation conversation : haystack) {
2118            if ((account == null || conversation.getAccount() == account)
2119                    && (conversation.getJid().asBareJid().equals(jid.asBareJid()))) {
2120                return conversation;
2121            }
2122        }
2123        return null;
2124    }
2125
2126    public boolean isConversationsListEmpty(final Conversation ignore) {
2127        synchronized (this.conversations) {
2128            final int size = this.conversations.size();
2129            return size == 0 || size == 1 && this.conversations.get(0) == ignore;
2130        }
2131    }
2132
2133    public boolean isConversationStillOpen(final Conversation conversation) {
2134        synchronized (this.conversations) {
2135            for (Conversation current : this.conversations) {
2136                if (current == conversation) {
2137                    return true;
2138                }
2139            }
2140        }
2141        return false;
2142    }
2143
2144    public Conversation findOrCreateConversation(Account account, Jid jid, boolean muc, final boolean async) {
2145        return this.findOrCreateConversation(account, jid, muc, false, async);
2146    }
2147
2148    public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final boolean async) {
2149        return this.findOrCreateConversation(account, jid, muc, joinAfterCreate, null, async);
2150    }
2151
2152    public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final MessageArchiveService.Query query, final boolean async) {
2153        synchronized (this.conversations) {
2154            Conversation conversation = find(account, jid);
2155            if (conversation != null) {
2156                return conversation;
2157            }
2158            conversation = databaseBackend.findConversation(account, jid);
2159            final boolean loadMessagesFromDb;
2160            if (conversation != null) {
2161                conversation.setStatus(Conversation.STATUS_AVAILABLE);
2162                conversation.setAccount(account);
2163                if (muc) {
2164                    conversation.setMode(Conversation.MODE_MULTI);
2165                    conversation.setContactJid(jid);
2166                } else {
2167                    conversation.setMode(Conversation.MODE_SINGLE);
2168                    conversation.setContactJid(jid.asBareJid());
2169                }
2170                databaseBackend.updateConversation(conversation);
2171                loadMessagesFromDb = conversation.messagesLoaded.compareAndSet(true, false);
2172            } else {
2173                String conversationName;
2174                Contact contact = account.getRoster().getContact(jid);
2175                if (contact != null) {
2176                    conversationName = contact.getDisplayName();
2177                } else {
2178                    conversationName = jid.getLocal();
2179                }
2180                if (muc) {
2181                    conversation = new Conversation(conversationName, account, jid,
2182                            Conversation.MODE_MULTI);
2183                } else {
2184                    conversation = new Conversation(conversationName, account, jid.asBareJid(),
2185                            Conversation.MODE_SINGLE);
2186                }
2187                this.databaseBackend.createConversation(conversation);
2188                loadMessagesFromDb = false;
2189            }
2190            final Conversation c = conversation;
2191            final Runnable runnable = () -> {
2192                if (loadMessagesFromDb) {
2193                    c.addAll(0, databaseBackend.getMessages(c, Config.PAGE_SIZE));
2194                    updateConversationUi();
2195                    c.messagesLoaded.set(true);
2196                }
2197                if (account.getXmppConnection() != null
2198                        && !c.getContact().isBlocked()
2199                        && account.getXmppConnection().getFeatures().mam()
2200                        && !muc) {
2201                    if (query == null) {
2202                        mMessageArchiveService.query(c);
2203                    } else {
2204                        if (query.getConversation() == null) {
2205                            mMessageArchiveService.query(c, query.getStart(), query.isCatchup());
2206                        }
2207                    }
2208                }
2209                if (joinAfterCreate) {
2210                    joinMuc(c);
2211                }
2212            };
2213            if (async) {
2214                mDatabaseReaderExecutor.execute(runnable);
2215            } else {
2216                runnable.run();
2217            }
2218            this.conversations.add(conversation);
2219            updateConversationUi();
2220            return conversation;
2221        }
2222    }
2223
2224    public void archiveConversation(Conversation conversation) {
2225        archiveConversation(conversation, true);
2226    }
2227
2228    private void archiveConversation(Conversation conversation, final boolean maySynchronizeWithBookmarks) {
2229        getNotificationService().clear(conversation);
2230        conversation.setStatus(Conversation.STATUS_ARCHIVED);
2231        conversation.setNextMessage(null);
2232        synchronized (this.conversations) {
2233            getMessageArchiveService().kill(conversation);
2234            if (conversation.getMode() == Conversation.MODE_MULTI) {
2235                if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2236                    final Bookmark bookmark = conversation.getBookmark();
2237                    if (maySynchronizeWithBookmarks && bookmark != null && synchronizeWithBookmarks()) {
2238                        if (conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
2239                            Account account = bookmark.getAccount();
2240                            bookmark.setConversation(null);
2241                            deleteBookmark(account, bookmark);
2242                        } else if (bookmark.autojoin()) {
2243                            bookmark.setAutojoin(false);
2244                            createBookmark(bookmark.getAccount(), bookmark);
2245                        }
2246                    }
2247                }
2248                leaveMuc(conversation);
2249            } else {
2250                if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
2251                    stopPresenceUpdatesTo(conversation.getContact());
2252                }
2253            }
2254            updateConversation(conversation);
2255            this.conversations.remove(conversation);
2256            updateConversationUi();
2257        }
2258    }
2259
2260    public void stopPresenceUpdatesTo(Contact contact) {
2261        Log.d(Config.LOGTAG, "Canceling presence request from " + contact.getJid().toString());
2262        sendPresencePacket(contact.getAccount(), mPresenceGenerator.stopPresenceUpdatesTo(contact));
2263        contact.resetOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
2264    }
2265
2266    public void createAccount(final Account account) {
2267        account.initAccountServices(this);
2268        databaseBackend.createAccount(account);
2269        this.accounts.add(account);
2270        this.reconnectAccountInBackground(account);
2271        updateAccountUi();
2272        syncEnabledAccountSetting();
2273        toggleForegroundService();
2274    }
2275
2276    private void syncEnabledAccountSetting() {
2277        final boolean hasEnabledAccounts = hasEnabledAccounts();
2278        getPreferences().edit().putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
2279        toggleSetProfilePictureActivity(hasEnabledAccounts);
2280    }
2281
2282    private void toggleSetProfilePictureActivity(final boolean enabled) {
2283        try {
2284            final ComponentName name = new ComponentName(this, ChooseAccountForProfilePictureActivity.class);
2285            final int targetState = enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
2286            getPackageManager().setComponentEnabledSetting(name, targetState, PackageManager.DONT_KILL_APP);
2287        } catch (IllegalStateException e) {
2288            Log.d(Config.LOGTAG, "unable to toggle profile picture actvitiy");
2289        }
2290    }
2291
2292    private void provisionAccount(final String address, final String password) {
2293        final Jid jid = Jid.ofEscaped(address);
2294        final Account account = new Account(jid, password);
2295        account.setOption(Account.OPTION_DISABLED, true);
2296        Log.d(Config.LOGTAG, jid.asBareJid().toEscapedString() + ": provisioning account");
2297        createAccount(account);
2298    }
2299
2300    public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
2301        new Thread(() -> {
2302            try {
2303                final X509Certificate[] chain = KeyChain.getCertificateChain(this, alias);
2304                final X509Certificate cert = chain != null && chain.length > 0 ? chain[0] : null;
2305                if (cert == null) {
2306                    callback.informUser(R.string.unable_to_parse_certificate);
2307                    return;
2308                }
2309                Pair<Jid, String> info = CryptoHelper.extractJidAndName(cert);
2310                if (info == null) {
2311                    callback.informUser(R.string.certificate_does_not_contain_jid);
2312                    return;
2313                }
2314                if (findAccountByJid(info.first) == null) {
2315                    final Account account = new Account(info.first, "");
2316                    account.setPrivateKeyAlias(alias);
2317                    account.setOption(Account.OPTION_DISABLED, true);
2318                    account.setOption(Account.OPTION_FIXED_USERNAME, true);
2319                    account.setDisplayName(info.second);
2320                    createAccount(account);
2321                    callback.onAccountCreated(account);
2322                    if (Config.X509_VERIFICATION) {
2323                        try {
2324                            getMemorizingTrustManager().getNonInteractive(account.getServer()).checkClientTrusted(chain, "RSA");
2325                        } catch (CertificateException e) {
2326                            callback.informUser(R.string.certificate_chain_is_not_trusted);
2327                        }
2328                    }
2329                } else {
2330                    callback.informUser(R.string.account_already_exists);
2331                }
2332            } catch (Exception e) {
2333                callback.informUser(R.string.unable_to_parse_certificate);
2334            }
2335        }).start();
2336
2337    }
2338
2339    public void updateKeyInAccount(final Account account, final String alias) {
2340        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": update key in account " + alias);
2341        try {
2342            X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
2343            Log.d(Config.LOGTAG, account.getJid().asBareJid() + " loaded certificate chain");
2344            Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
2345            if (info == null) {
2346                showErrorToastInUi(R.string.certificate_does_not_contain_jid);
2347                return;
2348            }
2349            if (account.getJid().asBareJid().equals(info.first)) {
2350                account.setPrivateKeyAlias(alias);
2351                account.setDisplayName(info.second);
2352                databaseBackend.updateAccount(account);
2353                if (Config.X509_VERIFICATION) {
2354                    try {
2355                        getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
2356                    } catch (CertificateException e) {
2357                        showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
2358                    }
2359                    account.getAxolotlService().regenerateKeys(true);
2360                }
2361            } else {
2362                showErrorToastInUi(R.string.jid_does_not_match_certificate);
2363            }
2364        } catch (Exception e) {
2365            e.printStackTrace();
2366        }
2367    }
2368
2369    public boolean updateAccount(final Account account) {
2370        if (databaseBackend.updateAccount(account)) {
2371            account.setShowErrorNotification(true);
2372            this.statusListener.onStatusChanged(account);
2373            databaseBackend.updateAccount(account);
2374            reconnectAccountInBackground(account);
2375            updateAccountUi();
2376            getNotificationService().updateErrorNotification();
2377            toggleForegroundService();
2378            syncEnabledAccountSetting();
2379            mChannelDiscoveryService.cleanCache();
2380            return true;
2381        } else {
2382            return false;
2383        }
2384    }
2385
2386    public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
2387        final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
2388        sendIqPacket(account, iq, (a, packet) -> {
2389            if (packet.getType() == IqPacket.TYPE.RESULT) {
2390                a.setPassword(newPassword);
2391                a.setOption(Account.OPTION_MAGIC_CREATE, false);
2392                databaseBackend.updateAccount(a);
2393                callback.onPasswordChangeSucceeded();
2394            } else {
2395                callback.onPasswordChangeFailed();
2396            }
2397        });
2398    }
2399
2400    public void deleteAccount(final Account account) {
2401        final boolean connected = account.getStatus() == Account.State.ONLINE;
2402        synchronized (this.conversations) {
2403            if (connected) {
2404                account.getAxolotlService().deleteOmemoIdentity();
2405            }
2406            for (final Conversation conversation : conversations) {
2407                if (conversation.getAccount() == account) {
2408                    if (conversation.getMode() == Conversation.MODE_MULTI) {
2409                        if (connected) {
2410                            leaveMuc(conversation);
2411                        }
2412                    }
2413                    conversations.remove(conversation);
2414                    mNotificationService.clear(conversation);
2415                }
2416            }
2417            if (account.getXmppConnection() != null) {
2418                new Thread(() -> disconnect(account, !connected)).start();
2419            }
2420            final Runnable runnable = () -> {
2421                if (!databaseBackend.deleteAccount(account)) {
2422                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to delete account");
2423                }
2424            };
2425            mDatabaseWriterExecutor.execute(runnable);
2426            this.accounts.remove(account);
2427            this.mRosterSyncTaskManager.clear(account);
2428            updateAccountUi();
2429            mNotificationService.updateErrorNotification();
2430            syncEnabledAccountSetting();
2431            toggleForegroundService();
2432        }
2433    }
2434
2435    public void setOnConversationListChangedListener(OnConversationUpdate listener) {
2436        final boolean remainingListeners;
2437        synchronized (LISTENER_LOCK) {
2438            remainingListeners = checkListeners();
2439            if (!this.mOnConversationUpdates.add(listener)) {
2440                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as ConversationListChangedListener");
2441            }
2442            this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2443        }
2444        if (remainingListeners) {
2445            switchToForeground();
2446        }
2447    }
2448
2449    public void removeOnConversationListChangedListener(OnConversationUpdate listener) {
2450        final boolean remainingListeners;
2451        synchronized (LISTENER_LOCK) {
2452            this.mOnConversationUpdates.remove(listener);
2453            this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2454            remainingListeners = checkListeners();
2455        }
2456        if (remainingListeners) {
2457            switchToBackground();
2458        }
2459    }
2460
2461    public void setOnShowErrorToastListener(OnShowErrorToast listener) {
2462        final boolean remainingListeners;
2463        synchronized (LISTENER_LOCK) {
2464            remainingListeners = checkListeners();
2465            if (!this.mOnShowErrorToasts.add(listener)) {
2466                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnShowErrorToastListener");
2467            }
2468        }
2469        if (remainingListeners) {
2470            switchToForeground();
2471        }
2472    }
2473
2474    public void removeOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
2475        final boolean remainingListeners;
2476        synchronized (LISTENER_LOCK) {
2477            this.mOnShowErrorToasts.remove(onShowErrorToast);
2478            remainingListeners = checkListeners();
2479        }
2480        if (remainingListeners) {
2481            switchToBackground();
2482        }
2483    }
2484
2485    public void setOnAccountListChangedListener(OnAccountUpdate listener) {
2486        final boolean remainingListeners;
2487        synchronized (LISTENER_LOCK) {
2488            remainingListeners = checkListeners();
2489            if (!this.mOnAccountUpdates.add(listener)) {
2490                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnAccountListChangedtListener");
2491            }
2492        }
2493        if (remainingListeners) {
2494            switchToForeground();
2495        }
2496    }
2497
2498    public void removeOnAccountListChangedListener(OnAccountUpdate listener) {
2499        final boolean remainingListeners;
2500        synchronized (LISTENER_LOCK) {
2501            this.mOnAccountUpdates.remove(listener);
2502            remainingListeners = checkListeners();
2503        }
2504        if (remainingListeners) {
2505            switchToBackground();
2506        }
2507    }
2508
2509    public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2510        final boolean remainingListeners;
2511        synchronized (LISTENER_LOCK) {
2512            remainingListeners = checkListeners();
2513            if (!this.mOnCaptchaRequested.add(listener)) {
2514                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnCaptchaRequestListener");
2515            }
2516        }
2517        if (remainingListeners) {
2518            switchToForeground();
2519        }
2520    }
2521
2522    public void removeOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2523        final boolean remainingListeners;
2524        synchronized (LISTENER_LOCK) {
2525            this.mOnCaptchaRequested.remove(listener);
2526            remainingListeners = checkListeners();
2527        }
2528        if (remainingListeners) {
2529            switchToBackground();
2530        }
2531    }
2532
2533    public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
2534        final boolean remainingListeners;
2535        synchronized (LISTENER_LOCK) {
2536            remainingListeners = checkListeners();
2537            if (!this.mOnRosterUpdates.add(listener)) {
2538                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnRosterUpdateListener");
2539            }
2540        }
2541        if (remainingListeners) {
2542            switchToForeground();
2543        }
2544    }
2545
2546    public void removeOnRosterUpdateListener(final OnRosterUpdate listener) {
2547        final boolean remainingListeners;
2548        synchronized (LISTENER_LOCK) {
2549            this.mOnRosterUpdates.remove(listener);
2550            remainingListeners = checkListeners();
2551        }
2552        if (remainingListeners) {
2553            switchToBackground();
2554        }
2555    }
2556
2557    public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2558        final boolean remainingListeners;
2559        synchronized (LISTENER_LOCK) {
2560            remainingListeners = checkListeners();
2561            if (!this.mOnUpdateBlocklist.add(listener)) {
2562                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnUpdateBlocklistListener");
2563            }
2564        }
2565        if (remainingListeners) {
2566            switchToForeground();
2567        }
2568    }
2569
2570    public void removeOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2571        final boolean remainingListeners;
2572        synchronized (LISTENER_LOCK) {
2573            this.mOnUpdateBlocklist.remove(listener);
2574            remainingListeners = checkListeners();
2575        }
2576        if (remainingListeners) {
2577            switchToBackground();
2578        }
2579    }
2580
2581    public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
2582        final boolean remainingListeners;
2583        synchronized (LISTENER_LOCK) {
2584            remainingListeners = checkListeners();
2585            if (!this.mOnKeyStatusUpdated.add(listener)) {
2586                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnKeyStatusUpdateListener");
2587            }
2588        }
2589        if (remainingListeners) {
2590            switchToForeground();
2591        }
2592    }
2593
2594    public void removeOnNewKeysAvailableListener(final OnKeyStatusUpdated listener) {
2595        final boolean remainingListeners;
2596        synchronized (LISTENER_LOCK) {
2597            this.mOnKeyStatusUpdated.remove(listener);
2598            remainingListeners = checkListeners();
2599        }
2600        if (remainingListeners) {
2601            switchToBackground();
2602        }
2603    }
2604
2605    public void setOnRtpConnectionUpdateListener(final OnJingleRtpConnectionUpdate listener) {
2606        final boolean remainingListeners;
2607        synchronized (LISTENER_LOCK) {
2608            remainingListeners = checkListeners();
2609            if (!this.onJingleRtpConnectionUpdate.add(listener)) {
2610                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnJingleRtpConnectionUpdate");
2611            }
2612        }
2613        if (remainingListeners) {
2614            switchToForeground();
2615        }
2616    }
2617
2618    public void removeRtpConnectionUpdateListener(final OnJingleRtpConnectionUpdate listener) {
2619        final boolean remainingListeners;
2620        synchronized (LISTENER_LOCK) {
2621            this.onJingleRtpConnectionUpdate.remove(listener);
2622            remainingListeners = checkListeners();
2623        }
2624        if (remainingListeners) {
2625            switchToBackground();
2626        }
2627    }
2628
2629    public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
2630        final boolean remainingListeners;
2631        synchronized (LISTENER_LOCK) {
2632            remainingListeners = checkListeners();
2633            if (!this.mOnMucRosterUpdate.add(listener)) {
2634                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnMucRosterListener");
2635            }
2636        }
2637        if (remainingListeners) {
2638            switchToForeground();
2639        }
2640    }
2641
2642    public void removeOnMucRosterUpdateListener(final OnMucRosterUpdate listener) {
2643        final boolean remainingListeners;
2644        synchronized (LISTENER_LOCK) {
2645            this.mOnMucRosterUpdate.remove(listener);
2646            remainingListeners = checkListeners();
2647        }
2648        if (remainingListeners) {
2649            switchToBackground();
2650        }
2651    }
2652
2653    public boolean checkListeners() {
2654        return (this.mOnAccountUpdates.size() == 0
2655                && this.mOnConversationUpdates.size() == 0
2656                && this.mOnRosterUpdates.size() == 0
2657                && this.mOnCaptchaRequested.size() == 0
2658                && this.mOnMucRosterUpdate.size() == 0
2659                && this.mOnUpdateBlocklist.size() == 0
2660                && this.mOnShowErrorToasts.size() == 0
2661                && this.onJingleRtpConnectionUpdate.size() == 0
2662                && this.mOnKeyStatusUpdated.size() == 0);
2663    }
2664
2665    private void switchToForeground() {
2666        final boolean broadcastLastActivity = broadcastLastActivity();
2667        for (Conversation conversation : getConversations()) {
2668            if (conversation.getMode() == Conversation.MODE_MULTI) {
2669                conversation.getMucOptions().resetChatState();
2670            } else {
2671                conversation.setIncomingChatState(Config.DEFAULT_CHAT_STATE);
2672            }
2673        }
2674        for (Account account : getAccounts()) {
2675            if (account.getStatus() == Account.State.ONLINE) {
2676                account.deactivateGracePeriod();
2677                final XmppConnection connection = account.getXmppConnection();
2678                if (connection != null) {
2679                    if (connection.getFeatures().csi()) {
2680                        connection.sendActive();
2681                    }
2682                    if (broadcastLastActivity) {
2683                        sendPresence(account, false); //send new presence but don't include idle because we are not
2684                    }
2685                }
2686            }
2687        }
2688        Log.d(Config.LOGTAG, "app switched into foreground");
2689    }
2690
2691    private void switchToBackground() {
2692        final boolean broadcastLastActivity = broadcastLastActivity();
2693        if (broadcastLastActivity) {
2694            mLastActivity = System.currentTimeMillis();
2695            final SharedPreferences.Editor editor = getPreferences().edit();
2696            editor.putLong(SETTING_LAST_ACTIVITY_TS, mLastActivity);
2697            editor.apply();
2698        }
2699        for (Account account : getAccounts()) {
2700            if (account.getStatus() == Account.State.ONLINE) {
2701                XmppConnection connection = account.getXmppConnection();
2702                if (connection != null) {
2703                    if (broadcastLastActivity) {
2704                        sendPresence(account, true);
2705                    }
2706                    if (connection.getFeatures().csi()) {
2707                        connection.sendInactive();
2708                    }
2709                }
2710            }
2711        }
2712        this.mNotificationService.setIsInForeground(false);
2713        Log.d(Config.LOGTAG, "app switched into background");
2714    }
2715
2716    private void connectMultiModeConversations(Account account) {
2717        List<Conversation> conversations = getConversations();
2718        for (Conversation conversation : conversations) {
2719            if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
2720                joinMuc(conversation);
2721            }
2722        }
2723    }
2724
2725    public void mucSelfPingAndRejoin(final Conversation conversation) {
2726        final Account account = conversation.getAccount();
2727        synchronized (account.inProgressConferenceJoins) {
2728            if (account.inProgressConferenceJoins.contains(conversation)) {
2729                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because join is already under way");
2730                return;
2731            }
2732        }
2733        synchronized (account.inProgressConferencePings) {
2734            if (!account.inProgressConferencePings.add(conversation)) {
2735                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because ping is already under way");
2736                return;
2737            }
2738        }
2739        final Jid self = conversation.getMucOptions().getSelf().getFullJid();
2740        final IqPacket ping = new IqPacket(IqPacket.TYPE.GET);
2741        ping.setTo(self);
2742        ping.addChild("ping", Namespace.PING);
2743        sendIqPacket(conversation.getAccount(), ping, (a, response) -> {
2744            if (response.getType() == IqPacket.TYPE.ERROR) {
2745                Element error = response.findChild("error");
2746                if (error == null || error.hasChild("service-unavailable") || error.hasChild("feature-not-implemented") || error.hasChild("item-not-found")) {
2747                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " came back as ignorable error");
2748                } else {
2749                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " failed. attempting rejoin");
2750                    joinMuc(conversation);
2751                }
2752            } else if (response.getType() == IqPacket.TYPE.RESULT) {
2753                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " came back fine");
2754            }
2755            synchronized (account.inProgressConferencePings) {
2756                account.inProgressConferencePings.remove(conversation);
2757            }
2758        });
2759    }
2760
2761    public void joinMuc(Conversation conversation) {
2762        joinMuc(conversation, null, false);
2763    }
2764
2765    public void joinMuc(Conversation conversation, boolean followedInvite) {
2766        joinMuc(conversation, null, followedInvite);
2767    }
2768
2769    private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2770        joinMuc(conversation, onConferenceJoined, false);
2771    }
2772
2773    private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined, final boolean followedInvite) {
2774        final Account account = conversation.getAccount();
2775        synchronized (account.pendingConferenceJoins) {
2776            account.pendingConferenceJoins.remove(conversation);
2777        }
2778        synchronized (account.pendingConferenceLeaves) {
2779            account.pendingConferenceLeaves.remove(conversation);
2780        }
2781        if (account.getStatus() == Account.State.ONLINE) {
2782            synchronized (account.inProgressConferenceJoins) {
2783                account.inProgressConferenceJoins.add(conversation);
2784            }
2785            if (Config.MUC_LEAVE_BEFORE_JOIN) {
2786                sendPresencePacket(account, mPresenceGenerator.leave(conversation.getMucOptions()));
2787            }
2788            conversation.resetMucOptions();
2789            if (onConferenceJoined != null) {
2790                conversation.getMucOptions().flagNoAutoPushConfiguration();
2791            }
2792            conversation.setHasMessagesLeftOnServer(false);
2793            fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
2794
2795                private void join(Conversation conversation) {
2796                    Account account = conversation.getAccount();
2797                    final MucOptions mucOptions = conversation.getMucOptions();
2798
2799                    if (mucOptions.nonanonymous() && !mucOptions.membersOnly() && !conversation.getBooleanAttribute("accept_non_anonymous", false)) {
2800                        synchronized (account.inProgressConferenceJoins) {
2801                            account.inProgressConferenceJoins.remove(conversation);
2802                        }
2803                        mucOptions.setError(MucOptions.Error.NON_ANONYMOUS);
2804                        updateConversationUi();
2805                        if (onConferenceJoined != null) {
2806                            onConferenceJoined.onConferenceJoined(conversation);
2807                        }
2808                        return;
2809                    }
2810
2811                    final Jid joinJid = mucOptions.getSelf().getFullJid();
2812                    Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": joining conversation " + joinJid.toString());
2813                    PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous() || onConferenceJoined != null);
2814                    packet.setTo(joinJid);
2815                    Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
2816                    if (conversation.getMucOptions().getPassword() != null) {
2817                        x.addChild("password").setContent(mucOptions.getPassword());
2818                    }
2819
2820                    if (mucOptions.mamSupport()) {
2821                        // Use MAM instead of the limited muc history to get history
2822                        x.addChild("history").setAttribute("maxchars", "0");
2823                    } else {
2824                        // Fallback to muc history
2825                        x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted().getTimestamp()));
2826                    }
2827                    sendPresencePacket(account, packet);
2828                    if (onConferenceJoined != null) {
2829                        onConferenceJoined.onConferenceJoined(conversation);
2830                    }
2831                    if (!joinJid.equals(conversation.getJid())) {
2832                        conversation.setContactJid(joinJid);
2833                        databaseBackend.updateConversation(conversation);
2834                    }
2835
2836                    if (mucOptions.mamSupport()) {
2837                        getMessageArchiveService().catchupMUC(conversation);
2838                    }
2839                    if (mucOptions.isPrivateAndNonAnonymous()) {
2840                        fetchConferenceMembers(conversation);
2841
2842                        if (followedInvite) {
2843                            final Bookmark bookmark = conversation.getBookmark();
2844                            if (bookmark != null) {
2845                                if (!bookmark.autojoin()) {
2846                                    bookmark.setAutojoin(true);
2847                                    createBookmark(account, bookmark);
2848                                }
2849                            } else {
2850                                saveConversationAsBookmark(conversation, null);
2851                            }
2852                        }
2853                    }
2854                    synchronized (account.inProgressConferenceJoins) {
2855                        account.inProgressConferenceJoins.remove(conversation);
2856                        sendUnsentMessages(conversation);
2857                    }
2858                }
2859
2860                @Override
2861                public void onConferenceConfigurationFetched(Conversation conversation) {
2862                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2863                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": conversation (" + conversation.getJid() + ") got archived before IQ result");
2864                        return;
2865                    }
2866                    join(conversation);
2867                }
2868
2869                @Override
2870                public void onFetchFailed(final Conversation conversation, final String errorCondition) {
2871                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2872                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": conversation (" + conversation.getJid() + ") got archived before IQ result");
2873                        return;
2874                    }
2875                    if ("remote-server-not-found".equals(errorCondition)) {
2876                        synchronized (account.inProgressConferenceJoins) {
2877                            account.inProgressConferenceJoins.remove(conversation);
2878                        }
2879                        conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
2880                        updateConversationUi();
2881                    } else {
2882                        join(conversation);
2883                        fetchConferenceConfiguration(conversation);
2884                    }
2885                }
2886            });
2887            updateConversationUi();
2888        } else {
2889            synchronized (account.pendingConferenceJoins) {
2890                account.pendingConferenceJoins.add(conversation);
2891            }
2892            conversation.resetMucOptions();
2893            conversation.setHasMessagesLeftOnServer(false);
2894            updateConversationUi();
2895        }
2896    }
2897
2898    private void fetchConferenceMembers(final Conversation conversation) {
2899        final Account account = conversation.getAccount();
2900        final AxolotlService axolotlService = account.getAxolotlService();
2901        final String[] affiliations = {"member", "admin", "owner"};
2902        OnIqPacketReceived callback = new OnIqPacketReceived() {
2903
2904            private int i = 0;
2905            private boolean success = true;
2906
2907            @Override
2908            public void onIqPacketReceived(Account account, IqPacket packet) {
2909                final boolean omemoEnabled = conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL;
2910                Element query = packet.query("http://jabber.org/protocol/muc#admin");
2911                if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2912                    for (Element child : query.getChildren()) {
2913                        if ("item".equals(child.getName())) {
2914                            MucOptions.User user = AbstractParser.parseItem(conversation, child);
2915                            if (!user.realJidMatchesAccount()) {
2916                                boolean isNew = conversation.getMucOptions().updateUser(user);
2917                                Contact contact = user.getContact();
2918                                if (omemoEnabled
2919                                        && isNew
2920                                        && user.getRealJid() != null
2921                                        && (contact == null || !contact.mutualPresenceSubscription())
2922                                        && axolotlService.hasEmptyDeviceList(user.getRealJid())) {
2923                                    axolotlService.fetchDeviceIds(user.getRealJid());
2924                                }
2925                            }
2926                        }
2927                    }
2928                } else {
2929                    success = false;
2930                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not request affiliation " + affiliations[i] + " in " + conversation.getJid().asBareJid());
2931                }
2932                ++i;
2933                if (i >= affiliations.length) {
2934                    List<Jid> members = conversation.getMucOptions().getMembers(true);
2935                    if (success) {
2936                        List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
2937                        boolean changed = false;
2938                        for (ListIterator<Jid> iterator = cryptoTargets.listIterator(); iterator.hasNext(); ) {
2939                            Jid jid = iterator.next();
2940                            if (!members.contains(jid) && !members.contains(jid.getDomain())) {
2941                                iterator.remove();
2942                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
2943                                changed = true;
2944                            }
2945                        }
2946                        if (changed) {
2947                            conversation.setAcceptedCryptoTargets(cryptoTargets);
2948                            updateConversation(conversation);
2949                        }
2950                    }
2951                    getAvatarService().clear(conversation);
2952                    updateMucRosterUi();
2953                    updateConversationUi();
2954                }
2955            }
2956        };
2957        for (String affiliation : affiliations) {
2958            sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
2959        }
2960        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching members for " + conversation.getName());
2961    }
2962
2963    public void providePasswordForMuc(Conversation conversation, String password) {
2964        if (conversation.getMode() == Conversation.MODE_MULTI) {
2965            conversation.getMucOptions().setPassword(password);
2966            if (conversation.getBookmark() != null) {
2967                final Bookmark bookmark = conversation.getBookmark();
2968                if (synchronizeWithBookmarks()) {
2969                    bookmark.setAutojoin(true);
2970                }
2971                createBookmark(conversation.getAccount(), bookmark);
2972            }
2973            updateConversation(conversation);
2974            joinMuc(conversation);
2975        }
2976    }
2977
2978    private boolean hasEnabledAccounts() {
2979        if (this.accounts == null) {
2980            return false;
2981        }
2982        for (Account account : this.accounts) {
2983            if (account.isEnabled()) {
2984                return true;
2985            }
2986        }
2987        return false;
2988    }
2989
2990
2991    public void getAttachments(final Conversation conversation, int limit, final OnMediaLoaded onMediaLoaded) {
2992        getAttachments(conversation.getAccount(), conversation.getJid().asBareJid(), limit, onMediaLoaded);
2993    }
2994
2995    public void getAttachments(final Account account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
2996        getAttachments(account.getUuid(), jid.asBareJid(), limit, onMediaLoaded);
2997    }
2998
2999
3000    public void getAttachments(final String account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
3001        new Thread(() -> onMediaLoaded.onMediaLoaded(fileBackend.convertToAttachments(databaseBackend.getRelativeFilePaths(account, jid, limit)))).start();
3002    }
3003
3004    public void persistSelfNick(MucOptions.User self) {
3005        final Conversation conversation = self.getConversation();
3006        final boolean tookProposedNickFromBookmark = conversation.getMucOptions().isTookProposedNickFromBookmark();
3007        Jid full = self.getFullJid();
3008        if (!full.equals(conversation.getJid())) {
3009            Log.d(Config.LOGTAG, "nick changed. updating");
3010            conversation.setContactJid(full);
3011            databaseBackend.updateConversation(conversation);
3012        }
3013
3014        final Bookmark bookmark = conversation.getBookmark();
3015        final String bookmarkedNick = bookmark == null ? null : bookmark.getNick();
3016        if (bookmark != null && (tookProposedNickFromBookmark || TextUtils.isEmpty(bookmarkedNick)) && !full.getResource().equals(bookmarkedNick)) {
3017            final Account account = conversation.getAccount();
3018            final String defaultNick = MucOptions.defaultNick(account);
3019            if (TextUtils.isEmpty(bookmarkedNick) && full.getResource().equals(defaultNick)) {
3020                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": do not overwrite empty bookmark nick with default nick for " + conversation.getJid().asBareJid());
3021                return;
3022            }
3023            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": persist nick '" + full.getResource() + "' into bookmark for " + conversation.getJid().asBareJid());
3024            bookmark.setNick(full.getResource());
3025            createBookmark(bookmark.getAccount(), bookmark);
3026        }
3027    }
3028
3029    public boolean renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
3030        final MucOptions options = conversation.getMucOptions();
3031        final Jid joinJid = options.createJoinJid(nick);
3032        if (joinJid == null) {
3033            return false;
3034        }
3035        if (options.online()) {
3036            Account account = conversation.getAccount();
3037            options.setOnRenameListener(new OnRenameListener() {
3038
3039                @Override
3040                public void onSuccess() {
3041                    callback.success(conversation);
3042                }
3043
3044                @Override
3045                public void onFailure() {
3046                    callback.error(R.string.nick_in_use, conversation);
3047                }
3048            });
3049
3050            final PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, options.nonanonymous());
3051            packet.setTo(joinJid);
3052            sendPresencePacket(account, packet);
3053        } else {
3054            conversation.setContactJid(joinJid);
3055            databaseBackend.updateConversation(conversation);
3056            if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
3057                Bookmark bookmark = conversation.getBookmark();
3058                if (bookmark != null) {
3059                    bookmark.setNick(nick);
3060                    createBookmark(bookmark.getAccount(), bookmark);
3061                }
3062                joinMuc(conversation);
3063            }
3064        }
3065        return true;
3066    }
3067
3068    public void leaveMuc(Conversation conversation) {
3069        leaveMuc(conversation, false);
3070    }
3071
3072    private void leaveMuc(Conversation conversation, boolean now) {
3073        final Account account = conversation.getAccount();
3074        synchronized (account.pendingConferenceJoins) {
3075            account.pendingConferenceJoins.remove(conversation);
3076        }
3077        synchronized (account.pendingConferenceLeaves) {
3078            account.pendingConferenceLeaves.remove(conversation);
3079        }
3080        if (account.getStatus() == Account.State.ONLINE || now) {
3081            sendPresencePacket(conversation.getAccount(), mPresenceGenerator.leave(conversation.getMucOptions()));
3082            conversation.getMucOptions().setOffline();
3083            Bookmark bookmark = conversation.getBookmark();
3084            if (bookmark != null) {
3085                bookmark.setConversation(null);
3086            }
3087            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": leaving muc " + conversation.getJid());
3088        } else {
3089            synchronized (account.pendingConferenceLeaves) {
3090                account.pendingConferenceLeaves.add(conversation);
3091            }
3092        }
3093    }
3094
3095    public String findConferenceServer(final Account account) {
3096        String server;
3097        if (account.getXmppConnection() != null) {
3098            server = account.getXmppConnection().getMucServer();
3099            if (server != null) {
3100                return server;
3101            }
3102        }
3103        for (Account other : getAccounts()) {
3104            if (other != account && other.getXmppConnection() != null) {
3105                server = other.getXmppConnection().getMucServer();
3106                if (server != null) {
3107                    return server;
3108                }
3109            }
3110        }
3111        return null;
3112    }
3113
3114
3115    public void createPublicChannel(final Account account, final String name, final Jid address, final UiCallback<Conversation> callback) {
3116        joinMuc(findOrCreateConversation(account, address, true, false, true), conversation -> {
3117            final Bundle configuration = IqGenerator.defaultChannelConfiguration();
3118            if (!TextUtils.isEmpty(name)) {
3119                configuration.putString("muc#roomconfig_roomname", name);
3120            }
3121            pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
3122                @Override
3123                public void onPushSucceeded() {
3124                    saveConversationAsBookmark(conversation, name);
3125                    callback.success(conversation);
3126                }
3127
3128                @Override
3129                public void onPushFailed() {
3130                    if (conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
3131                        callback.error(R.string.unable_to_set_channel_configuration, conversation);
3132                    } else {
3133                        callback.error(R.string.joined_an_existing_channel, conversation);
3134                    }
3135                }
3136            });
3137        });
3138    }
3139
3140    public boolean createAdhocConference(final Account account,
3141                                         final String name,
3142                                         final Iterable<Jid> jids,
3143                                         final UiCallback<Conversation> callback) {
3144        Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": creating adhoc conference with " + jids.toString());
3145        if (account.getStatus() == Account.State.ONLINE) {
3146            try {
3147                String server = findConferenceServer(account);
3148                if (server == null) {
3149                    if (callback != null) {
3150                        callback.error(R.string.no_conference_server_found, null);
3151                    }
3152                    return false;
3153                }
3154                final Jid jid = Jid.of(CryptoHelper.pronounceable(getRNG()), server, null);
3155                final Conversation conversation = findOrCreateConversation(account, jid, true, false, true);
3156                joinMuc(conversation, new OnConferenceJoined() {
3157                    @Override
3158                    public void onConferenceJoined(final Conversation conversation) {
3159                        final Bundle configuration = IqGenerator.defaultGroupChatConfiguration();
3160                        if (!TextUtils.isEmpty(name)) {
3161                            configuration.putString("muc#roomconfig_roomname", name);
3162                        }
3163                        pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
3164                            @Override
3165                            public void onPushSucceeded() {
3166                                for (Jid invite : jids) {
3167                                    invite(conversation, invite);
3168                                }
3169                                for (String resource : account.getSelfContact().getPresences().toResourceArray()) {
3170                                    Jid other = account.getJid().withResource(resource);
3171                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending direct invite to " + other);
3172                                    directInvite(conversation, other);
3173                                }
3174                                saveConversationAsBookmark(conversation, name);
3175                                if (callback != null) {
3176                                    callback.success(conversation);
3177                                }
3178                            }
3179
3180                            @Override
3181                            public void onPushFailed() {
3182                                archiveConversation(conversation);
3183                                if (callback != null) {
3184                                    callback.error(R.string.conference_creation_failed, conversation);
3185                                }
3186                            }
3187                        });
3188                    }
3189                });
3190                return true;
3191            } catch (IllegalArgumentException e) {
3192                if (callback != null) {
3193                    callback.error(R.string.conference_creation_failed, null);
3194                }
3195                return false;
3196            }
3197        } else {
3198            if (callback != null) {
3199                callback.error(R.string.not_connected_try_again, null);
3200            }
3201            return false;
3202        }
3203    }
3204
3205    public void fetchConferenceConfiguration(final Conversation conversation) {
3206        fetchConferenceConfiguration(conversation, null);
3207    }
3208
3209    public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
3210        IqPacket request = mIqGenerator.queryDiscoInfo(conversation.getJid().asBareJid());
3211        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3212            @Override
3213            public void onIqPacketReceived(Account account, IqPacket packet) {
3214                if (packet.getType() == IqPacket.TYPE.RESULT) {
3215                    final MucOptions mucOptions = conversation.getMucOptions();
3216                    final Bookmark bookmark = conversation.getBookmark();
3217                    final boolean sameBefore = StringUtils.equals(bookmark == null ? null : bookmark.getBookmarkName(), mucOptions.getName());
3218
3219                    if (mucOptions.updateConfiguration(new ServiceDiscoveryResult(packet))) {
3220                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": muc configuration changed for " + conversation.getJid().asBareJid());
3221                        updateConversation(conversation);
3222                    }
3223
3224                    if (bookmark != null && (sameBefore || bookmark.getBookmarkName() == null)) {
3225                        if (bookmark.setBookmarkName(StringUtils.nullOnEmpty(mucOptions.getName()))) {
3226                            createBookmark(account, bookmark);
3227                        }
3228                    }
3229
3230
3231                    if (callback != null) {
3232                        callback.onConferenceConfigurationFetched(conversation);
3233                    }
3234
3235
3236                    updateConversationUi();
3237                } else if (packet.getType() == IqPacket.TYPE.TIMEOUT) {
3238                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received timeout waiting for conference configuration fetch");
3239                } else {
3240                    if (callback != null) {
3241                        callback.onFetchFailed(conversation, packet.getErrorCondition());
3242                    }
3243                }
3244            }
3245        });
3246    }
3247
3248    public void pushNodeConfiguration(Account account, final String node, final Bundle options, final OnConfigurationPushed callback) {
3249        pushNodeConfiguration(account, account.getJid().asBareJid(), node, options, callback);
3250    }
3251
3252    public void pushNodeConfiguration(Account account, final Jid jid, final String node, final Bundle options, final OnConfigurationPushed callback) {
3253        Log.d(Config.LOGTAG, "pushing node configuration");
3254        sendIqPacket(account, mIqGenerator.requestPubsubConfiguration(jid, node), new OnIqPacketReceived() {
3255            @Override
3256            public void onIqPacketReceived(Account account, IqPacket packet) {
3257                if (packet.getType() == IqPacket.TYPE.RESULT) {
3258                    Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub#owner");
3259                    Element configuration = pubsub == null ? null : pubsub.findChild("configure");
3260                    Element x = configuration == null ? null : configuration.findChild("x", Namespace.DATA);
3261                    if (x != null) {
3262                        Data data = Data.parse(x);
3263                        data.submit(options);
3264                        sendIqPacket(account, mIqGenerator.publishPubsubConfiguration(jid, node, data), new OnIqPacketReceived() {
3265                            @Override
3266                            public void onIqPacketReceived(Account account, IqPacket packet) {
3267                                if (packet.getType() == IqPacket.TYPE.RESULT && callback != null) {
3268                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": successfully changed node configuration for node " + node);
3269                                    callback.onPushSucceeded();
3270                                } else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3271                                    callback.onPushFailed();
3272                                }
3273                            }
3274                        });
3275                    } else if (callback != null) {
3276                        callback.onPushFailed();
3277                    }
3278                } else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3279                    callback.onPushFailed();
3280                }
3281            }
3282        });
3283    }
3284
3285    public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConfigurationPushed callback) {
3286        if (options.getString("muc#roomconfig_whois", "moderators").equals("anyone")) {
3287            conversation.setAttribute("accept_non_anonymous", true);
3288            updateConversation(conversation);
3289        }
3290        if (options.containsKey("muc#roomconfig_moderatedroom")) {
3291            final boolean moderated = "1".equals(options.getString("muc#roomconfig_moderatedroom"));
3292            options.putString("members_by_default", moderated ? "0" : "1");
3293        }
3294        final IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3295        request.setTo(conversation.getJid().asBareJid());
3296        request.query("http://jabber.org/protocol/muc#owner");
3297        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3298            @Override
3299            public void onIqPacketReceived(Account account, IqPacket packet) {
3300                if (packet.getType() == IqPacket.TYPE.RESULT) {
3301                    final Data data = Data.parse(packet.query().findChild("x", Namespace.DATA));
3302                    data.submit(options);
3303                    final IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3304                    set.setTo(conversation.getJid().asBareJid());
3305                    set.query("http://jabber.org/protocol/muc#owner").addChild(data);
3306                    sendIqPacket(account, set, new OnIqPacketReceived() {
3307                        @Override
3308                        public void onIqPacketReceived(Account account, IqPacket packet) {
3309                            if (callback != null) {
3310                                if (packet.getType() == IqPacket.TYPE.RESULT) {
3311                                    callback.onPushSucceeded();
3312                                } else {
3313                                    callback.onPushFailed();
3314                                }
3315                            }
3316                        }
3317                    });
3318                } else {
3319                    if (callback != null) {
3320                        callback.onPushFailed();
3321                    }
3322                }
3323            }
3324        });
3325    }
3326
3327    public void pushSubjectToConference(final Conversation conference, final String subject) {
3328        MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, StringUtils.nullOnEmpty(subject));
3329        this.sendMessagePacket(conference.getAccount(), packet);
3330    }
3331
3332    public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
3333        final Jid jid = user.asBareJid();
3334        IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
3335        sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
3336            @Override
3337            public void onIqPacketReceived(Account account, IqPacket packet) {
3338                if (packet.getType() == IqPacket.TYPE.RESULT) {
3339                    conference.getMucOptions().changeAffiliation(jid, affiliation);
3340                    getAvatarService().clear(conference);
3341                    callback.onAffiliationChangedSuccessful(jid);
3342                } else {
3343                    callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
3344                }
3345            }
3346        });
3347    }
3348
3349    public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
3350        List<Jid> jids = new ArrayList<>();
3351        for (MucOptions.User user : conference.getMucOptions().getUsers()) {
3352            if (user.getAffiliation() == before && user.getRealJid() != null) {
3353                jids.add(user.getRealJid());
3354            }
3355        }
3356        IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
3357        sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
3358    }
3359
3360    public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role) {
3361        IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
3362        Log.d(Config.LOGTAG, request.toString());
3363        sendIqPacket(conference.getAccount(), request, (account, packet) -> {
3364            if (packet.getType() != IqPacket.TYPE.RESULT) {
3365                Log.d(Config.LOGTAG, account.getJid().asBareJid() + " unable to change role of " + nick);
3366            }
3367        });
3368    }
3369
3370    public void destroyRoom(final Conversation conversation, final OnRoomDestroy callback) {
3371        IqPacket request = new IqPacket(IqPacket.TYPE.SET);
3372        request.setTo(conversation.getJid().asBareJid());
3373        request.query("http://jabber.org/protocol/muc#owner").addChild("destroy");
3374        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3375            @Override
3376            public void onIqPacketReceived(Account account, IqPacket packet) {
3377                if (packet.getType() == IqPacket.TYPE.RESULT) {
3378                    if (callback != null) {
3379                        callback.onRoomDestroySucceeded();
3380                    }
3381                } else if (packet.getType() == IqPacket.TYPE.ERROR) {
3382                    if (callback != null) {
3383                        callback.onRoomDestroyFailed();
3384                    }
3385                }
3386            }
3387        });
3388    }
3389
3390    private void disconnect(Account account, boolean force) {
3391        if ((account.getStatus() == Account.State.ONLINE)
3392                || (account.getStatus() == Account.State.DISABLED)) {
3393            final XmppConnection connection = account.getXmppConnection();
3394            if (!force) {
3395                List<Conversation> conversations = getConversations();
3396                for (Conversation conversation : conversations) {
3397                    if (conversation.getAccount() == account) {
3398                        if (conversation.getMode() == Conversation.MODE_MULTI) {
3399                            leaveMuc(conversation, true);
3400                        }
3401                    }
3402                }
3403                sendOfflinePresence(account);
3404            }
3405            connection.disconnect(force);
3406        }
3407    }
3408
3409    @Override
3410    public IBinder onBind(Intent intent) {
3411        return mBinder;
3412    }
3413
3414    public void updateMessage(Message message) {
3415        updateMessage(message, true);
3416    }
3417
3418    public void updateMessage(Message message, boolean includeBody) {
3419        databaseBackend.updateMessage(message, includeBody);
3420        updateConversationUi();
3421    }
3422
3423    public void createMessageAsync(final Message message) {
3424        mDatabaseWriterExecutor.execute(() -> databaseBackend.createMessage(message));
3425    }
3426
3427    public void updateMessage(Message message, String uuid) {
3428        if (!databaseBackend.updateMessage(message, uuid)) {
3429            Log.e(Config.LOGTAG, "error updated message in DB after edit");
3430        }
3431        updateConversationUi();
3432    }
3433
3434    protected void syncDirtyContacts(Account account) {
3435        for (Contact contact : account.getRoster().getContacts()) {
3436            if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
3437                pushContactToServer(contact);
3438            }
3439            if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
3440                deleteContactOnServer(contact);
3441            }
3442        }
3443    }
3444
3445    public void createContact(Contact contact, boolean autoGrant) {
3446        if (autoGrant) {
3447            contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
3448            contact.setOption(Contact.Options.ASKING);
3449        }
3450        pushContactToServer(contact);
3451    }
3452
3453    public void pushContactToServer(final Contact contact) {
3454        contact.resetOption(Contact.Options.DIRTY_DELETE);
3455        contact.setOption(Contact.Options.DIRTY_PUSH);
3456        final Account account = contact.getAccount();
3457        if (account.getStatus() == Account.State.ONLINE) {
3458            final boolean ask = contact.getOption(Contact.Options.ASKING);
3459            final boolean sendUpdates = contact
3460                    .getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
3461                    && contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
3462            final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3463            iq.query(Namespace.ROSTER).addChild(contact.asElement());
3464            account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3465            if (sendUpdates) {
3466                sendPresencePacket(account, mPresenceGenerator.sendPresenceUpdatesTo(contact));
3467            }
3468            if (ask) {
3469                sendPresencePacket(account, mPresenceGenerator.requestPresenceUpdatesFrom(contact));
3470            }
3471        } else {
3472            syncRoster(contact.getAccount());
3473        }
3474    }
3475
3476    public void publishMucAvatar(final Conversation conversation, final Uri image, final OnAvatarPublication callback) {
3477        new Thread(() -> {
3478            final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3479            final int size = Config.AVATAR_SIZE;
3480            final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3481            if (avatar != null) {
3482                if (!getFileBackend().save(avatar)) {
3483                    callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3484                    return;
3485                }
3486                avatar.owner = conversation.getJid().asBareJid();
3487                publishMucAvatar(conversation, avatar, callback);
3488            } else {
3489                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3490            }
3491        }).start();
3492    }
3493
3494    public void publishAvatar(final Account account, final Uri image, final OnAvatarPublication callback) {
3495        new Thread(() -> {
3496            final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3497            final int size = Config.AVATAR_SIZE;
3498            final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3499            if (avatar != null) {
3500                if (!getFileBackend().save(avatar)) {
3501                    Log.d(Config.LOGTAG, "unable to save vcard");
3502                    callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3503                    return;
3504                }
3505                publishAvatar(account, avatar, callback);
3506            } else {
3507                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3508            }
3509        }).start();
3510
3511    }
3512
3513    private void publishMucAvatar(Conversation conversation, Avatar avatar, OnAvatarPublication callback) {
3514        final IqPacket retrieve = mIqGenerator.retrieveVcardAvatar(avatar);
3515        sendIqPacket(conversation.getAccount(), retrieve, (account, response) -> {
3516            boolean itemNotFound = response.getType() == IqPacket.TYPE.ERROR && response.hasChild("error") && response.findChild("error").hasChild("item-not-found");
3517            if (response.getType() == IqPacket.TYPE.RESULT || itemNotFound) {
3518                Element vcard = response.findChild("vCard", "vcard-temp");
3519                if (vcard == null) {
3520                    vcard = new Element("vCard", "vcard-temp");
3521                }
3522                Element photo = vcard.findChild("PHOTO");
3523                if (photo == null) {
3524                    photo = vcard.addChild("PHOTO");
3525                }
3526                photo.clearChildren();
3527                photo.addChild("TYPE").setContent(avatar.type);
3528                photo.addChild("BINVAL").setContent(avatar.image);
3529                IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
3530                publication.setTo(conversation.getJid().asBareJid());
3531                publication.addChild(vcard);
3532                sendIqPacket(account, publication, (a1, publicationResponse) -> {
3533                    if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
3534                        callback.onAvatarPublicationSucceeded();
3535                    } else {
3536                        Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getErrorCondition());
3537                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3538                    }
3539                });
3540            } else {
3541                Log.d(Config.LOGTAG, "failed to request vcard " + response.toString());
3542                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_no_server_support);
3543            }
3544        });
3545    }
3546
3547    public void publishAvatar(Account account, final Avatar avatar, final OnAvatarPublication callback) {
3548        final Bundle options;
3549        if (account.getXmppConnection().getFeatures().pepPublishOptions()) {
3550            options = PublishOptions.openAccess();
3551        } else {
3552            options = null;
3553        }
3554        publishAvatar(account, avatar, options, true, callback);
3555    }
3556
3557    public void publishAvatar(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3558        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": publishing avatar. options=" + options);
3559        IqPacket packet = this.mIqGenerator.publishAvatar(avatar, options);
3560        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3561
3562            @Override
3563            public void onIqPacketReceived(Account account, IqPacket result) {
3564                if (result.getType() == IqPacket.TYPE.RESULT) {
3565                    publishAvatarMetadata(account, avatar, options, true, callback);
3566                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3567                    pushNodeConfiguration(account, "urn:xmpp:avatar:data", options, new OnConfigurationPushed() {
3568                        @Override
3569                        public void onPushSucceeded() {
3570                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": changed node configuration for avatar node");
3571                            publishAvatar(account, avatar, options, false, callback);
3572                        }
3573
3574                        @Override
3575                        public void onPushFailed() {
3576                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to change node configuration for avatar node");
3577                            publishAvatar(account, avatar, null, false, callback);
3578                        }
3579                    });
3580                } else {
3581                    Element error = result.findChild("error");
3582                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server rejected avatar " + (avatar.size / 1024) + "KiB " + (error != null ? error.toString() : ""));
3583                    if (callback != null) {
3584                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3585                    }
3586                }
3587            }
3588        });
3589    }
3590
3591    public void publishAvatarMetadata(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3592        final IqPacket packet = XmppConnectionService.this.mIqGenerator.publishAvatarMetadata(avatar, options);
3593        sendIqPacket(account, packet, new OnIqPacketReceived() {
3594            @Override
3595            public void onIqPacketReceived(Account account, IqPacket result) {
3596                if (result.getType() == IqPacket.TYPE.RESULT) {
3597                    if (account.setAvatar(avatar.getFilename())) {
3598                        getAvatarService().clear(account);
3599                        databaseBackend.updateAccount(account);
3600                        notifyAccountAvatarHasChanged(account);
3601                    }
3602                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": published avatar " + (avatar.size / 1024) + "KiB");
3603                    if (callback != null) {
3604                        callback.onAvatarPublicationSucceeded();
3605                    }
3606                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3607                    pushNodeConfiguration(account, "urn:xmpp:avatar:metadata", options, new OnConfigurationPushed() {
3608                        @Override
3609                        public void onPushSucceeded() {
3610                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": changed node configuration for avatar meta data node");
3611                            publishAvatarMetadata(account, avatar, options, false, callback);
3612                        }
3613
3614                        @Override
3615                        public void onPushFailed() {
3616                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to change node configuration for avatar meta data node");
3617                            publishAvatarMetadata(account, avatar, null, false, callback);
3618                        }
3619                    });
3620                } else {
3621                    if (callback != null) {
3622                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3623                    }
3624                }
3625            }
3626        });
3627    }
3628
3629    public void republishAvatarIfNeeded(Account account) {
3630        if (account.getAxolotlService().isPepBroken()) {
3631            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping republication of avatar because pep is broken");
3632            return;
3633        }
3634        IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3635        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3636
3637            private Avatar parseAvatar(IqPacket packet) {
3638                Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3639                if (pubsub != null) {
3640                    Element items = pubsub.findChild("items");
3641                    if (items != null) {
3642                        return Avatar.parseMetadata(items);
3643                    }
3644                }
3645                return null;
3646            }
3647
3648            private boolean errorIsItemNotFound(IqPacket packet) {
3649                Element error = packet.findChild("error");
3650                return packet.getType() == IqPacket.TYPE.ERROR
3651                        && error != null
3652                        && error.hasChild("item-not-found");
3653            }
3654
3655            @Override
3656            public void onIqPacketReceived(Account account, IqPacket packet) {
3657                if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
3658                    Avatar serverAvatar = parseAvatar(packet);
3659                    if (serverAvatar == null && account.getAvatar() != null) {
3660                        Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
3661                        if (avatar != null) {
3662                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar on server was null. republishing");
3663                            publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
3664                        } else {
3665                            Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": error rereading avatar");
3666                        }
3667                    }
3668                }
3669            }
3670        });
3671    }
3672
3673    public void fetchAvatar(Account account, Avatar avatar) {
3674        fetchAvatar(account, avatar, null);
3675    }
3676
3677    public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3678        final String KEY = generateFetchKey(account, avatar);
3679        synchronized (this.mInProgressAvatarFetches) {
3680            if (mInProgressAvatarFetches.add(KEY)) {
3681                switch (avatar.origin) {
3682                    case PEP:
3683                        this.mInProgressAvatarFetches.add(KEY);
3684                        fetchAvatarPep(account, avatar, callback);
3685                        break;
3686                    case VCARD:
3687                        this.mInProgressAvatarFetches.add(KEY);
3688                        fetchAvatarVcard(account, avatar, callback);
3689                        break;
3690                }
3691            } else if (avatar.origin == Avatar.Origin.PEP) {
3692                mOmittedPepAvatarFetches.add(KEY);
3693            } else {
3694                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": already fetching " + avatar.origin + " avatar for " + avatar.owner);
3695            }
3696        }
3697    }
3698
3699    private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3700        IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
3701        sendIqPacket(account, packet, (a, result) -> {
3702            synchronized (mInProgressAvatarFetches) {
3703                mInProgressAvatarFetches.remove(generateFetchKey(a, avatar));
3704            }
3705            final String ERROR = a.getJid().asBareJid() + ": fetching avatar for " + avatar.owner + " failed ";
3706            if (result.getType() == IqPacket.TYPE.RESULT) {
3707                avatar.image = mIqParser.avatarData(result);
3708                if (avatar.image != null) {
3709                    if (getFileBackend().save(avatar)) {
3710                        if (a.getJid().asBareJid().equals(avatar.owner)) {
3711                            if (a.setAvatar(avatar.getFilename())) {
3712                                databaseBackend.updateAccount(a);
3713                            }
3714                            getAvatarService().clear(a);
3715                            updateConversationUi();
3716                            updateAccountUi();
3717                        } else {
3718                            final Contact contact = a.getRoster().getContact(avatar.owner);
3719                            contact.setAvatar(avatar);
3720                            syncRoster(account);
3721                            getAvatarService().clear(contact);
3722                            updateConversationUi();
3723                            updateRosterUi();
3724                        }
3725                        if (callback != null) {
3726                            callback.success(avatar);
3727                        }
3728                        Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": successfully fetched pep avatar for " + avatar.owner);
3729                        return;
3730                    }
3731                } else {
3732
3733                    Log.d(Config.LOGTAG, ERROR + "(parsing error)");
3734                }
3735            } else {
3736                Element error = result.findChild("error");
3737                if (error == null) {
3738                    Log.d(Config.LOGTAG, ERROR + "(server error)");
3739                } else {
3740                    Log.d(Config.LOGTAG, ERROR + error.toString());
3741                }
3742            }
3743            if (callback != null) {
3744                callback.error(0, null);
3745            }
3746
3747        });
3748    }
3749
3750    private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3751        IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
3752        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3753            @Override
3754            public void onIqPacketReceived(Account account, IqPacket packet) {
3755                final boolean previouslyOmittedPepFetch;
3756                synchronized (mInProgressAvatarFetches) {
3757                    final String KEY = generateFetchKey(account, avatar);
3758                    mInProgressAvatarFetches.remove(KEY);
3759                    previouslyOmittedPepFetch = mOmittedPepAvatarFetches.remove(KEY);
3760                }
3761                if (packet.getType() == IqPacket.TYPE.RESULT) {
3762                    Element vCard = packet.findChild("vCard", "vcard-temp");
3763                    Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
3764                    String image = photo != null ? photo.findChildContent("BINVAL") : null;
3765                    if (image != null) {
3766                        avatar.image = image;
3767                        if (getFileBackend().save(avatar)) {
3768                            Log.d(Config.LOGTAG, account.getJid().asBareJid()
3769                                    + ": successfully fetched vCard avatar for " + avatar.owner + " omittedPep=" + previouslyOmittedPepFetch);
3770                            if (avatar.owner.isBareJid()) {
3771                                if (account.getJid().asBareJid().equals(avatar.owner) && account.getAvatar() == null) {
3772                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": had no avatar. replacing with vcard");
3773                                    account.setAvatar(avatar.getFilename());
3774                                    databaseBackend.updateAccount(account);
3775                                    getAvatarService().clear(account);
3776                                    updateAccountUi();
3777                                } else {
3778                                    final Contact contact = account.getRoster().getContact(avatar.owner);
3779                                    contact.setAvatar(avatar, previouslyOmittedPepFetch);
3780                                    syncRoster(account);
3781                                    getAvatarService().clear(contact);
3782                                    updateRosterUi();
3783                                }
3784                                updateConversationUi();
3785                            } else {
3786                                Conversation conversation = find(account, avatar.owner.asBareJid());
3787                                if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
3788                                    MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
3789                                    if (user != null) {
3790                                        if (user.setAvatar(avatar)) {
3791                                            getAvatarService().clear(user);
3792                                            updateConversationUi();
3793                                            updateMucRosterUi();
3794                                        }
3795                                        if (user.getRealJid() != null) {
3796                                            Contact contact = account.getRoster().getContact(user.getRealJid());
3797                                            contact.setAvatar(avatar);
3798                                            syncRoster(account);
3799                                            getAvatarService().clear(contact);
3800                                            updateRosterUi();
3801                                        }
3802                                    }
3803                                }
3804                            }
3805                        }
3806                    }
3807                }
3808            }
3809        });
3810    }
3811
3812    public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
3813        IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3814        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3815
3816            @Override
3817            public void onIqPacketReceived(Account account, IqPacket packet) {
3818                if (packet.getType() == IqPacket.TYPE.RESULT) {
3819                    Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3820                    if (pubsub != null) {
3821                        Element items = pubsub.findChild("items");
3822                        if (items != null) {
3823                            Avatar avatar = Avatar.parseMetadata(items);
3824                            if (avatar != null) {
3825                                avatar.owner = account.getJid().asBareJid();
3826                                if (fileBackend.isAvatarCached(avatar)) {
3827                                    if (account.setAvatar(avatar.getFilename())) {
3828                                        databaseBackend.updateAccount(account);
3829                                    }
3830                                    getAvatarService().clear(account);
3831                                    callback.success(avatar);
3832                                } else {
3833                                    fetchAvatarPep(account, avatar, callback);
3834                                }
3835                                return;
3836                            }
3837                        }
3838                    }
3839                }
3840                callback.error(0, null);
3841            }
3842        });
3843    }
3844
3845    public void notifyAccountAvatarHasChanged(final Account account) {
3846        final XmppConnection connection = account.getXmppConnection();
3847        if (connection != null && connection.getFeatures().bookmarksConversion()) {
3848            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar changed. resending presence to online group chats");
3849            for (Conversation conversation : conversations) {
3850                if (conversation.getAccount() == account && conversation.getMode() == Conversational.MODE_MULTI) {
3851                    final MucOptions mucOptions = conversation.getMucOptions();
3852                    if (mucOptions.online()) {
3853                        PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous());
3854                        packet.setTo(mucOptions.getSelf().getFullJid());
3855                        connection.sendPresencePacket(packet);
3856                    }
3857                }
3858            }
3859        }
3860    }
3861
3862    public void deleteContactOnServer(Contact contact) {
3863        contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
3864        contact.resetOption(Contact.Options.DIRTY_PUSH);
3865        contact.setOption(Contact.Options.DIRTY_DELETE);
3866        Account account = contact.getAccount();
3867        if (account.getStatus() == Account.State.ONLINE) {
3868            IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3869            Element item = iq.query(Namespace.ROSTER).addChild("item");
3870            item.setAttribute("jid", contact.getJid());
3871            item.setAttribute("subscription", "remove");
3872            account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3873        }
3874    }
3875
3876    public void updateConversation(final Conversation conversation) {
3877        mDatabaseWriterExecutor.execute(() -> databaseBackend.updateConversation(conversation));
3878    }
3879
3880    private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
3881        synchronized (account) {
3882            XmppConnection connection = account.getXmppConnection();
3883            if (connection == null) {
3884                connection = createConnection(account);
3885                account.setXmppConnection(connection);
3886            }
3887            boolean hasInternet = hasInternetConnection();
3888            if (account.isEnabled() && hasInternet) {
3889                if (!force) {
3890                    disconnect(account, false);
3891                }
3892                Thread thread = new Thread(connection);
3893                connection.setInteractive(interactive);
3894                connection.prepareNewConnection();
3895                connection.interrupt();
3896                thread.start();
3897                scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
3898            } else {
3899                disconnect(account, force || account.getTrueStatus().isError() || !hasInternet);
3900                account.getRoster().clearPresences();
3901                connection.resetEverything();
3902                final AxolotlService axolotlService = account.getAxolotlService();
3903                if (axolotlService != null) {
3904                    axolotlService.resetBrokenness();
3905                }
3906                if (!hasInternet) {
3907                    account.setStatus(Account.State.NO_INTERNET);
3908                }
3909            }
3910        }
3911    }
3912
3913    public void reconnectAccountInBackground(final Account account) {
3914        new Thread(() -> reconnectAccount(account, false, true)).start();
3915    }
3916
3917    public void invite(Conversation conversation, Jid contact) {
3918        Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": inviting " + contact + " to " + conversation.getJid().asBareJid());
3919        MessagePacket packet = mMessageGenerator.invite(conversation, contact);
3920        sendMessagePacket(conversation.getAccount(), packet);
3921    }
3922
3923    public void directInvite(Conversation conversation, Jid jid) {
3924        MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
3925        sendMessagePacket(conversation.getAccount(), packet);
3926    }
3927
3928    public void resetSendingToWaiting(Account account) {
3929        for (Conversation conversation : getConversations()) {
3930            if (conversation.getAccount() == account) {
3931                conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
3932            }
3933        }
3934    }
3935
3936    public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
3937        return markMessage(account, recipient, uuid, status, null);
3938    }
3939
3940    public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
3941        if (uuid == null) {
3942            return null;
3943        }
3944        for (Conversation conversation : getConversations()) {
3945            if (conversation.getJid().asBareJid().equals(recipient) && conversation.getAccount() == account) {
3946                final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
3947                if (message != null) {
3948                    markMessage(message, status, errorMessage);
3949                }
3950                return message;
3951            }
3952        }
3953        return null;
3954    }
3955
3956    public boolean markMessage(final Conversation conversation, final String uuid, final int status, final String serverMessageId) {
3957        return markMessage(conversation, uuid, status, serverMessageId, null);
3958    }
3959
3960    public boolean markMessage(final Conversation conversation, final String uuid, final int status, final String serverMessageId, final LocalizedContent body) {
3961        if (uuid == null) {
3962            return false;
3963        } else {
3964            final Message message = conversation.findSentMessageWithUuid(uuid);
3965            if (message != null) {
3966                if (message.getServerMsgId() == null) {
3967                    message.setServerMsgId(serverMessageId);
3968                }
3969                if (message.getEncryption() == Message.ENCRYPTION_NONE && isBodyModified(message, body)) {
3970                    message.setBody(body.content);
3971                    if (body.count > 1) {
3972                        message.setBodyLanguage(body.language);
3973                    }
3974                    markMessage(message, status, null, true);
3975                } else {
3976                    markMessage(message, status);
3977                }
3978                return true;
3979            } else {
3980                return false;
3981            }
3982        }
3983    }
3984
3985    private static boolean isBodyModified(final Message message, final LocalizedContent body) {
3986        if (body == null || body.content == null) {
3987            return false;
3988        }
3989        return !body.content.equals(message.getBody());
3990    }
3991
3992    public void markMessage(Message message, int status) {
3993        markMessage(message, status, null);
3994    }
3995
3996
3997    public void markMessage(final Message message, final int status, final String errorMessage) {
3998        markMessage(message, status, errorMessage, false);
3999    }
4000
4001    public void markMessage(final Message message, final int status, final String errorMessage, final boolean includeBody) {
4002        final int oldStatus = message.getStatus();
4003        if (status == Message.STATUS_SEND_FAILED && (oldStatus == Message.STATUS_SEND_RECEIVED || oldStatus == Message.STATUS_SEND_DISPLAYED)) {
4004            return;
4005        }
4006        if (status == Message.STATUS_SEND_RECEIVED && oldStatus == Message.STATUS_SEND_DISPLAYED) {
4007            return;
4008        }
4009        message.setErrorMessage(errorMessage);
4010        message.setStatus(status);
4011        databaseBackend.updateMessage(message, includeBody);
4012        updateConversationUi();
4013        if (oldStatus != status && status == Message.STATUS_SEND_FAILED) {
4014            mNotificationService.pushFailedDelivery(message);
4015        }
4016    }
4017
4018    private SharedPreferences getPreferences() {
4019        return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
4020    }
4021
4022    public long getAutomaticMessageDeletionDate() {
4023        final long timeout = getLongPreference(SettingsActivity.AUTOMATIC_MESSAGE_DELETION, R.integer.automatic_message_deletion);
4024        return timeout == 0 ? timeout : (System.currentTimeMillis() - (timeout * 1000));
4025    }
4026
4027    public long getLongPreference(String name, @IntegerRes int res) {
4028        long defaultValue = getResources().getInteger(res);
4029        try {
4030            return Long.parseLong(getPreferences().getString(name, String.valueOf(defaultValue)));
4031        } catch (NumberFormatException e) {
4032            return defaultValue;
4033        }
4034    }
4035
4036    public boolean getBooleanPreference(String name, @BoolRes int res) {
4037        return getPreferences().getBoolean(name, getResources().getBoolean(res));
4038    }
4039
4040    public boolean confirmMessages() {
4041        return getBooleanPreference("confirm_messages", R.bool.confirm_messages);
4042    }
4043
4044    public boolean allowMessageCorrection() {
4045        return getBooleanPreference("allow_message_correction", R.bool.allow_message_correction);
4046    }
4047
4048    public boolean sendChatStates() {
4049        return getBooleanPreference("chat_states", R.bool.chat_states);
4050    }
4051
4052    private boolean synchronizeWithBookmarks() {
4053        return getBooleanPreference("autojoin", R.bool.autojoin);
4054    }
4055
4056    public boolean useTorToConnect() {
4057        return QuickConversationsService.isConversations() && getBooleanPreference("use_tor", R.bool.use_tor);
4058    }
4059
4060    public boolean showExtendedConnectionOptions() {
4061        return QuickConversationsService.isConversations() && getBooleanPreference("show_connection_options", R.bool.show_connection_options);
4062    }
4063
4064    public boolean broadcastLastActivity() {
4065        return getBooleanPreference(SettingsActivity.BROADCAST_LAST_ACTIVITY, R.bool.last_activity);
4066    }
4067
4068    public int unreadCount() {
4069        int count = 0;
4070        for (Conversation conversation : getConversations()) {
4071            count += conversation.unreadCount();
4072        }
4073        return count;
4074    }
4075
4076
4077    private <T> List<T> threadSafeList(Set<T> set) {
4078        synchronized (LISTENER_LOCK) {
4079            return set.size() == 0 ? Collections.emptyList() : new ArrayList<>(set);
4080        }
4081    }
4082
4083    public void showErrorToastInUi(int resId) {
4084        for (OnShowErrorToast listener : threadSafeList(this.mOnShowErrorToasts)) {
4085            listener.onShowErrorToast(resId);
4086        }
4087    }
4088
4089    public void updateConversationUi() {
4090        for (OnConversationUpdate listener : threadSafeList(this.mOnConversationUpdates)) {
4091            listener.onConversationUpdate();
4092        }
4093    }
4094
4095    public void notifyJingleRtpConnectionUpdate(final Account account, final Jid with, final String sessionId, final RtpEndUserState state) {
4096        for (OnJingleRtpConnectionUpdate listener : threadSafeList(this.onJingleRtpConnectionUpdate)) {
4097            listener.onJingleRtpConnectionUpdate(account, with, sessionId, state);
4098        }
4099    }
4100
4101    public void notifyJingleRtpConnectionUpdate(AppRTCAudioManager.AudioDevice selectedAudioDevice, Set<AppRTCAudioManager.AudioDevice> availableAudioDevices) {
4102        for (OnJingleRtpConnectionUpdate listener : threadSafeList(this.onJingleRtpConnectionUpdate)) {
4103            listener.onAudioDeviceChanged(selectedAudioDevice, availableAudioDevices);
4104        }
4105    }
4106
4107    public void updateAccountUi() {
4108        for (OnAccountUpdate listener : threadSafeList(this.mOnAccountUpdates)) {
4109            listener.onAccountUpdate();
4110        }
4111    }
4112
4113    public void updateRosterUi() {
4114        for (OnRosterUpdate listener : threadSafeList(this.mOnRosterUpdates)) {
4115            listener.onRosterUpdate();
4116        }
4117    }
4118
4119    public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
4120        if (mOnCaptchaRequested.size() > 0) {
4121            DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
4122            Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
4123                    (int) (captcha.getHeight() * metrics.scaledDensity), false);
4124            for (OnCaptchaRequested listener : threadSafeList(this.mOnCaptchaRequested)) {
4125                listener.onCaptchaRequested(account, id, data, scaled);
4126            }
4127            return true;
4128        }
4129        return false;
4130    }
4131
4132    public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
4133        for (OnUpdateBlocklist listener : threadSafeList(this.mOnUpdateBlocklist)) {
4134            listener.OnUpdateBlocklist(status);
4135        }
4136    }
4137
4138    public void updateMucRosterUi() {
4139        for (OnMucRosterUpdate listener : threadSafeList(this.mOnMucRosterUpdate)) {
4140            listener.onMucRosterUpdate();
4141        }
4142    }
4143
4144    public void keyStatusUpdated(AxolotlService.FetchStatus report) {
4145        for (OnKeyStatusUpdated listener : threadSafeList(this.mOnKeyStatusUpdated)) {
4146            listener.onKeyStatusUpdated(report);
4147        }
4148    }
4149
4150    public Account findAccountByJid(final Jid jid) {
4151        for (final Account account : this.accounts) {
4152            if (account.getJid().asBareJid().equals(jid.asBareJid())) {
4153                return account;
4154            }
4155        }
4156        return null;
4157    }
4158
4159    public Account findAccountByUuid(final String uuid) {
4160        for (Account account : this.accounts) {
4161            if (account.getUuid().equals(uuid)) {
4162                return account;
4163            }
4164        }
4165        return null;
4166    }
4167
4168    public Conversation findConversationByUuid(String uuid) {
4169        for (Conversation conversation : getConversations()) {
4170            if (conversation.getUuid().equals(uuid)) {
4171                return conversation;
4172            }
4173        }
4174        return null;
4175    }
4176
4177    public Conversation findUniqueConversationByJid(XmppUri xmppUri) {
4178        List<Conversation> findings = new ArrayList<>();
4179        for (Conversation c : getConversations()) {
4180            if (c.getAccount().isEnabled() && c.getJid().asBareJid().equals(xmppUri.getJid()) && ((c.getMode() == Conversational.MODE_MULTI) == xmppUri.isAction(XmppUri.ACTION_JOIN))) {
4181                findings.add(c);
4182            }
4183        }
4184        return findings.size() == 1 ? findings.get(0) : null;
4185    }
4186
4187    public boolean markRead(final Conversation conversation, boolean dismiss) {
4188        return markRead(conversation, null, dismiss).size() > 0;
4189    }
4190
4191    public void markRead(final Conversation conversation) {
4192        markRead(conversation, null, true);
4193    }
4194
4195    public List<Message> markRead(final Conversation conversation, String upToUuid, boolean dismiss) {
4196        if (dismiss) {
4197            mNotificationService.clear(conversation);
4198        }
4199        final List<Message> readMessages = conversation.markRead(upToUuid);
4200        if (readMessages.size() > 0) {
4201            Runnable runnable = () -> {
4202                for (Message message : readMessages) {
4203                    databaseBackend.updateMessage(message, false);
4204                }
4205            };
4206            mDatabaseWriterExecutor.execute(runnable);
4207            updateConversationUi();
4208            updateUnreadCountBadge();
4209            return readMessages;
4210        } else {
4211            return readMessages;
4212        }
4213    }
4214
4215    public synchronized void updateUnreadCountBadge() {
4216        int count = unreadCount();
4217        if (unreadCount != count) {
4218            Log.d(Config.LOGTAG, "update unread count to " + count);
4219            if (count > 0) {
4220                ShortcutBadger.applyCount(getApplicationContext(), count);
4221            } else {
4222                ShortcutBadger.removeCount(getApplicationContext());
4223            }
4224            unreadCount = count;
4225        }
4226    }
4227
4228    public void sendReadMarker(final Conversation conversation, String upToUuid) {
4229        final boolean isPrivateAndNonAnonymousMuc = conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous();
4230        final List<Message> readMessages = this.markRead(conversation, upToUuid, true);
4231        if (readMessages.size() > 0) {
4232            updateConversationUi();
4233        }
4234        final Message markable = Conversation.getLatestMarkableMessage(readMessages, isPrivateAndNonAnonymousMuc);
4235        if (confirmMessages()
4236                && markable != null
4237                && (markable.trusted() || isPrivateAndNonAnonymousMuc)
4238                && markable.getRemoteMsgId() != null) {
4239            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
4240            final Account account = conversation.getAccount();
4241            final MessagePacket packet = mMessageGenerator.confirm(markable);
4242            this.sendMessagePacket(account, packet);
4243        }
4244    }
4245
4246    public SecureRandom getRNG() {
4247        return this.mRandom;
4248    }
4249
4250    public MemorizingTrustManager getMemorizingTrustManager() {
4251        return this.mMemorizingTrustManager;
4252    }
4253
4254    public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
4255        this.mMemorizingTrustManager = trustManager;
4256    }
4257
4258    public void updateMemorizingTrustmanager() {
4259        final MemorizingTrustManager tm;
4260        final boolean dontTrustSystemCAs = getBooleanPreference("dont_trust_system_cas", R.bool.dont_trust_system_cas);
4261        if (dontTrustSystemCAs) {
4262            tm = new MemorizingTrustManager(getApplicationContext(), null);
4263        } else {
4264            tm = new MemorizingTrustManager(getApplicationContext());
4265        }
4266        setMemorizingTrustManager(tm);
4267    }
4268
4269    public LruCache<String, Bitmap> getBitmapCache() {
4270        return this.mBitmapCache;
4271    }
4272
4273    public Collection<String> getKnownHosts() {
4274        final Set<String> hosts = new HashSet<>();
4275        for (final Account account : getAccounts()) {
4276            hosts.add(account.getServer());
4277            for (final Contact contact : account.getRoster().getContacts()) {
4278                if (contact.showInRoster()) {
4279                    final String server = contact.getServer();
4280                    if (server != null) {
4281                        hosts.add(server);
4282                    }
4283                }
4284            }
4285        }
4286        if (Config.QUICKSY_DOMAIN != null) {
4287            hosts.remove(Config.QUICKSY_DOMAIN.toEscapedString()); //we only want to show this when we type a e164 number
4288        }
4289        if (Config.DOMAIN_LOCK != null) {
4290            hosts.add(Config.DOMAIN_LOCK);
4291        }
4292        if (Config.MAGIC_CREATE_DOMAIN != null) {
4293            hosts.add(Config.MAGIC_CREATE_DOMAIN);
4294        }
4295        return hosts;
4296    }
4297
4298    public Collection<String> getKnownConferenceHosts() {
4299        final Set<String> mucServers = new HashSet<>();
4300        for (final Account account : accounts) {
4301            if (account.getXmppConnection() != null) {
4302                mucServers.addAll(account.getXmppConnection().getMucServers());
4303                for (Bookmark bookmark : account.getBookmarks()) {
4304                    final Jid jid = bookmark.getJid();
4305                    final String s = jid == null ? null : jid.getDomain().toEscapedString();
4306                    if (s != null) {
4307                        mucServers.add(s);
4308                    }
4309                }
4310            }
4311        }
4312        return mucServers;
4313    }
4314
4315    public void sendMessagePacket(Account account, MessagePacket packet) {
4316        final XmppConnection connection = account.getXmppConnection();
4317        if (connection != null) {
4318            connection.sendMessagePacket(packet);
4319        }
4320    }
4321
4322    public void sendPresencePacket(Account account, PresencePacket packet) {
4323        XmppConnection connection = account.getXmppConnection();
4324        if (connection != null) {
4325            connection.sendPresencePacket(packet);
4326        }
4327    }
4328
4329    public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
4330        final XmppConnection connection = account.getXmppConnection();
4331        if (connection != null) {
4332            IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
4333            connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener, true);
4334        }
4335    }
4336
4337    public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
4338        final XmppConnection connection = account.getXmppConnection();
4339        if (connection != null) {
4340            connection.sendIqPacket(packet, callback);
4341        } else if (callback != null) {
4342            callback.onIqPacketReceived(account, new IqPacket(IqPacket.TYPE.TIMEOUT));
4343        }
4344    }
4345
4346    public void sendPresence(final Account account) {
4347        sendPresence(account, checkListeners() && broadcastLastActivity());
4348    }
4349
4350    private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
4351        final Presence.Status status;
4352        if (manuallyChangePresence()) {
4353            status = account.getPresenceStatus();
4354        } else {
4355            status = getTargetPresence();
4356        }
4357        final PresencePacket packet = mPresenceGenerator.selfPresence(account, status);
4358        if (mLastActivity > 0 && includeIdleTimestamp) {
4359            long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
4360            packet.addChild("idle", Namespace.IDLE).setAttribute("since", AbstractGenerator.getTimestamp(since));
4361        }
4362        sendPresencePacket(account, packet);
4363    }
4364
4365    private void deactivateGracePeriod() {
4366        for (Account account : getAccounts()) {
4367            account.deactivateGracePeriod();
4368        }
4369    }
4370
4371    public void refreshAllPresences() {
4372        boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
4373        for (Account account : getAccounts()) {
4374            if (account.isEnabled()) {
4375                sendPresence(account, includeIdleTimestamp);
4376            }
4377        }
4378    }
4379
4380    private void refreshAllFcmTokens() {
4381        for (Account account : getAccounts()) {
4382            if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
4383                mPushManagementService.registerPushTokenOnServer(account);
4384                //TODO renew mucs
4385            }
4386        }
4387    }
4388
4389    private void sendOfflinePresence(final Account account) {
4390        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending offline presence");
4391        sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
4392    }
4393
4394    public MessageGenerator getMessageGenerator() {
4395        return this.mMessageGenerator;
4396    }
4397
4398    public PresenceGenerator getPresenceGenerator() {
4399        return this.mPresenceGenerator;
4400    }
4401
4402    public IqGenerator getIqGenerator() {
4403        return this.mIqGenerator;
4404    }
4405
4406    public IqParser getIqParser() {
4407        return this.mIqParser;
4408    }
4409
4410    public JingleConnectionManager getJingleConnectionManager() {
4411        return this.mJingleConnectionManager;
4412    }
4413
4414    public MessageArchiveService getMessageArchiveService() {
4415        return this.mMessageArchiveService;
4416    }
4417
4418    public QuickConversationsService getQuickConversationsService() {
4419        return this.mQuickConversationsService;
4420    }
4421
4422    public List<Contact> findContacts(Jid jid, String accountJid) {
4423        ArrayList<Contact> contacts = new ArrayList<>();
4424        for (Account account : getAccounts()) {
4425            if ((account.isEnabled() || accountJid != null)
4426                    && (accountJid == null || accountJid.equals(account.getJid().asBareJid().toString()))) {
4427                Contact contact = account.getRoster().getContactFromContactList(jid);
4428                if (contact != null) {
4429                    contacts.add(contact);
4430                }
4431            }
4432        }
4433        return contacts;
4434    }
4435
4436    public Conversation findFirstMuc(Jid jid) {
4437        for (Conversation conversation : getConversations()) {
4438            if (conversation.getAccount().isEnabled() && conversation.getJid().asBareJid().equals(jid.asBareJid()) && conversation.getMode() == Conversation.MODE_MULTI) {
4439                return conversation;
4440            }
4441        }
4442        return null;
4443    }
4444
4445    public NotificationService getNotificationService() {
4446        return this.mNotificationService;
4447    }
4448
4449    public HttpConnectionManager getHttpConnectionManager() {
4450        return this.mHttpConnectionManager;
4451    }
4452
4453    public void resendFailedMessages(final Message message) {
4454        final Collection<Message> messages = new ArrayList<>();
4455        Message current = message;
4456        while (current.getStatus() == Message.STATUS_SEND_FAILED) {
4457            messages.add(current);
4458            if (current.mergeable(current.next())) {
4459                current = current.next();
4460            } else {
4461                break;
4462            }
4463        }
4464        for (final Message msg : messages) {
4465            msg.setTime(System.currentTimeMillis());
4466            markMessage(msg, Message.STATUS_WAITING);
4467            this.resendMessage(msg, false);
4468        }
4469        if (message.getConversation() instanceof Conversation) {
4470            ((Conversation) message.getConversation()).sort();
4471        }
4472        updateConversationUi();
4473    }
4474
4475    public void clearConversationHistory(final Conversation conversation) {
4476        final long clearDate;
4477        final String reference;
4478        if (conversation.countMessages() > 0) {
4479            Message latestMessage = conversation.getLatestMessage();
4480            clearDate = latestMessage.getTimeSent() + 1000;
4481            reference = latestMessage.getServerMsgId();
4482        } else {
4483            clearDate = System.currentTimeMillis();
4484            reference = null;
4485        }
4486        conversation.clearMessages();
4487        conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
4488        conversation.setLastClearHistory(clearDate, reference);
4489        Runnable runnable = () -> {
4490            databaseBackend.deleteMessagesInConversation(conversation);
4491            databaseBackend.updateConversation(conversation);
4492        };
4493        mDatabaseWriterExecutor.execute(runnable);
4494    }
4495
4496    public boolean sendBlockRequest(final Blockable blockable, boolean reportSpam) {
4497        if (blockable != null && blockable.getBlockedJid() != null) {
4498            final Jid jid = blockable.getBlockedJid();
4499            this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), (a, response) -> {
4500                if (response.getType() == IqPacket.TYPE.RESULT) {
4501                    a.getBlocklist().add(jid);
4502                    updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
4503                }
4504            });
4505            if (blockable.getBlockedJid().isFullJid()) {
4506                return false;
4507            } else if (removeBlockedConversations(blockable.getAccount(), jid)) {
4508                updateConversationUi();
4509                return true;
4510            } else {
4511                return false;
4512            }
4513        } else {
4514            return false;
4515        }
4516    }
4517
4518    public boolean removeBlockedConversations(final Account account, final Jid blockedJid) {
4519        boolean removed = false;
4520        synchronized (this.conversations) {
4521            boolean domainJid = blockedJid.getLocal() == null;
4522            for (Conversation conversation : this.conversations) {
4523                boolean jidMatches = (domainJid && blockedJid.getDomain().equals(conversation.getJid().getDomain()))
4524                        || blockedJid.equals(conversation.getJid().asBareJid());
4525                if (conversation.getAccount() == account
4526                        && conversation.getMode() == Conversation.MODE_SINGLE
4527                        && jidMatches) {
4528                    this.conversations.remove(conversation);
4529                    markRead(conversation);
4530                    conversation.setStatus(Conversation.STATUS_ARCHIVED);
4531                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conversation " + conversation.getJid().asBareJid() + " because jid was blocked");
4532                    updateConversation(conversation);
4533                    removed = true;
4534                }
4535            }
4536        }
4537        return removed;
4538    }
4539
4540    public void sendUnblockRequest(final Blockable blockable) {
4541        if (blockable != null && blockable.getJid() != null) {
4542            final Jid jid = blockable.getBlockedJid();
4543            this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
4544                @Override
4545                public void onIqPacketReceived(final Account account, final IqPacket packet) {
4546                    if (packet.getType() == IqPacket.TYPE.RESULT) {
4547                        account.getBlocklist().remove(jid);
4548                        updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
4549                    }
4550                }
4551            });
4552        }
4553    }
4554
4555    public void publishDisplayName(Account account) {
4556        String displayName = account.getDisplayName();
4557        final IqPacket request;
4558        if (TextUtils.isEmpty(displayName)) {
4559            request = mIqGenerator.deleteNode(Namespace.NICK);
4560        } else {
4561            request = mIqGenerator.publishNick(displayName);
4562        }
4563        mAvatarService.clear(account);
4564        sendIqPacket(account, request, (account1, packet) -> {
4565            if (packet.getType() == IqPacket.TYPE.ERROR) {
4566                Log.d(Config.LOGTAG, account1.getJid().asBareJid() + ": unable to modify nick name " + packet.toString());
4567            }
4568        });
4569    }
4570
4571    public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
4572        ServiceDiscoveryResult result = discoCache.get(key);
4573        if (result != null) {
4574            return result;
4575        } else {
4576            result = databaseBackend.findDiscoveryResult(key.first, key.second);
4577            if (result != null) {
4578                discoCache.put(key, result);
4579            }
4580            return result;
4581        }
4582    }
4583
4584    public void fetchCaps(Account account, final Jid jid, final Presence presence) {
4585        final Pair<String, String> key = new Pair<>(presence.getHash(), presence.getVer());
4586        final ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
4587        if (disco != null) {
4588            presence.setServiceDiscoveryResult(disco);
4589            final Contact contact = account.getRoster().getContact(jid);
4590            if (contact.refreshRtpCapability()) {
4591                syncRoster(account);
4592            }
4593        } else {
4594            final IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4595            request.setTo(jid);
4596            final String node = presence.getNode();
4597            final String ver = presence.getVer();
4598            final Element query = request.query(Namespace.DISCO_INFO);
4599            if (node != null && ver != null) {
4600                query.setAttribute("node", node + "#" + ver);
4601            }
4602            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": making disco request for " + key.second + " to " + jid);
4603            sendIqPacket(account, request, (a, response) -> {
4604                if (response.getType() == IqPacket.TYPE.RESULT) {
4605                    final ServiceDiscoveryResult discoveryResult = new ServiceDiscoveryResult(response);
4606                    if (presence.getVer().equals(discoveryResult.getVer())) {
4607                        databaseBackend.insertDiscoveryResult(discoveryResult);
4608                        injectServiceDiscoveryResult(a.getRoster(), presence.getHash(), presence.getVer(), discoveryResult);
4609                    } else {
4610                        Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + discoveryResult.getVer());
4611                    }
4612                } else {
4613                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to fetch caps from " + jid);
4614                }
4615            });
4616        }
4617    }
4618
4619    private void injectServiceDiscoveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
4620        boolean rosterNeedsSync = false;
4621        for (final Contact contact : roster.getContacts()) {
4622            boolean serviceDiscoverySet = false;
4623            for (final Presence presence : contact.getPresences().getPresences()) {
4624                if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
4625                    presence.setServiceDiscoveryResult(disco);
4626                    serviceDiscoverySet = true;
4627                }
4628            }
4629            if (serviceDiscoverySet) {
4630                rosterNeedsSync |= contact.refreshRtpCapability();
4631            }
4632        }
4633        if (rosterNeedsSync) {
4634            syncRoster(roster.getAccount());
4635        }
4636    }
4637
4638    public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
4639        final MessageArchiveService.Version version = MessageArchiveService.Version.get(account);
4640        IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4641        request.addChild("prefs", version.namespace);
4642        sendIqPacket(account, request, (account1, packet) -> {
4643            Element prefs = packet.findChild("prefs", version.namespace);
4644            if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
4645                callback.onPreferencesFetched(prefs);
4646            } else {
4647                callback.onPreferencesFetchFailed();
4648            }
4649        });
4650    }
4651
4652    public PushManagementService getPushManagementService() {
4653        return mPushManagementService;
4654    }
4655
4656    public void changeStatus(Account account, PresenceTemplate template, String signature) {
4657        if (!template.getStatusMessage().isEmpty()) {
4658            databaseBackend.insertPresenceTemplate(template);
4659        }
4660        account.setPgpSignature(signature);
4661        account.setPresenceStatus(template.getStatus());
4662        account.setPresenceStatusMessage(template.getStatusMessage());
4663        databaseBackend.updateAccount(account);
4664        sendPresence(account);
4665    }
4666
4667    public List<PresenceTemplate> getPresenceTemplates(Account account) {
4668        List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
4669        for (PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
4670            if (!templates.contains(template)) {
4671                templates.add(0, template);
4672            }
4673        }
4674        return templates;
4675    }
4676
4677    public void saveConversationAsBookmark(Conversation conversation, String name) {
4678        final Account account = conversation.getAccount();
4679        final Bookmark bookmark = new Bookmark(account, conversation.getJid().asBareJid());
4680        final String nick = conversation.getJid().getResource();
4681        if (nick != null && !nick.isEmpty() && !nick.equals(MucOptions.defaultNick(account))) {
4682            bookmark.setNick(nick);
4683        }
4684        if (!TextUtils.isEmpty(name)) {
4685            bookmark.setBookmarkName(name);
4686        }
4687        bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
4688        createBookmark(account, bookmark);
4689        bookmark.setConversation(conversation);
4690    }
4691
4692    public boolean verifyFingerprints(Contact contact, List<XmppUri.Fingerprint> fingerprints) {
4693        boolean performedVerification = false;
4694        final AxolotlService axolotlService = contact.getAccount().getAxolotlService();
4695        for (XmppUri.Fingerprint fp : fingerprints) {
4696            if (fp.type == XmppUri.FingerprintType.OMEMO) {
4697                String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4698                FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4699                if (fingerprintStatus != null) {
4700                    if (!fingerprintStatus.isVerified()) {
4701                        performedVerification = true;
4702                        axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4703                    }
4704                } else {
4705                    axolotlService.preVerifyFingerprint(contact, fingerprint);
4706                }
4707            }
4708        }
4709        return performedVerification;
4710    }
4711
4712    public boolean verifyFingerprints(Account account, List<XmppUri.Fingerprint> fingerprints) {
4713        final AxolotlService axolotlService = account.getAxolotlService();
4714        boolean verifiedSomething = false;
4715        for (XmppUri.Fingerprint fp : fingerprints) {
4716            if (fp.type == XmppUri.FingerprintType.OMEMO) {
4717                String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4718                Log.d(Config.LOGTAG, "trying to verify own fp=" + fingerprint);
4719                FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4720                if (fingerprintStatus != null) {
4721                    if (!fingerprintStatus.isVerified()) {
4722                        axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4723                        verifiedSomething = true;
4724                    }
4725                } else {
4726                    axolotlService.preVerifyFingerprint(account, fingerprint);
4727                    verifiedSomething = true;
4728                }
4729            }
4730        }
4731        return verifiedSomething;
4732    }
4733
4734    public boolean blindTrustBeforeVerification() {
4735        return getBooleanPreference(SettingsActivity.BLIND_TRUST_BEFORE_VERIFICATION, R.bool.btbv);
4736    }
4737
4738    public ShortcutService getShortcutService() {
4739        return mShortcutService;
4740    }
4741
4742    public void pushMamPreferences(Account account, Element prefs) {
4743        IqPacket set = new IqPacket(IqPacket.TYPE.SET);
4744        set.addChild(prefs);
4745        sendIqPacket(account, set, null);
4746    }
4747
4748    public void evictPreview(String uuid) {
4749        if (mBitmapCache.remove(uuid) != null) {
4750            Log.d(Config.LOGTAG, "deleted cached preview");
4751        }
4752    }
4753
4754    public interface OnMamPreferencesFetched {
4755        void onPreferencesFetched(Element prefs);
4756
4757        void onPreferencesFetchFailed();
4758    }
4759
4760    public interface OnAccountCreated {
4761        void onAccountCreated(Account account);
4762
4763        void informUser(int r);
4764    }
4765
4766    public interface OnMoreMessagesLoaded {
4767        void onMoreMessagesLoaded(int count, Conversation conversation);
4768
4769        void informUser(int r);
4770    }
4771
4772    public interface OnAccountPasswordChanged {
4773        void onPasswordChangeSucceeded();
4774
4775        void onPasswordChangeFailed();
4776    }
4777
4778    public interface OnRoomDestroy {
4779        void onRoomDestroySucceeded();
4780
4781        void onRoomDestroyFailed();
4782    }
4783
4784    public interface OnAffiliationChanged {
4785        void onAffiliationChangedSuccessful(Jid jid);
4786
4787        void onAffiliationChangeFailed(Jid jid, int resId);
4788    }
4789
4790    public interface OnConversationUpdate {
4791        void onConversationUpdate();
4792    }
4793
4794    public interface OnJingleRtpConnectionUpdate {
4795        void onJingleRtpConnectionUpdate(final Account account, final Jid with, final String sessionId, final RtpEndUserState state);
4796
4797        void onAudioDeviceChanged(AppRTCAudioManager.AudioDevice selectedAudioDevice, Set<AppRTCAudioManager.AudioDevice> availableAudioDevices);
4798    }
4799
4800    public interface OnAccountUpdate {
4801        void onAccountUpdate();
4802    }
4803
4804    public interface OnCaptchaRequested {
4805        void onCaptchaRequested(Account account, String id, Data data, Bitmap captcha);
4806    }
4807
4808    public interface OnRosterUpdate {
4809        void onRosterUpdate();
4810    }
4811
4812    public interface OnMucRosterUpdate {
4813        void onMucRosterUpdate();
4814    }
4815
4816    public interface OnConferenceConfigurationFetched {
4817        void onConferenceConfigurationFetched(Conversation conversation);
4818
4819        void onFetchFailed(Conversation conversation, String errorCondition);
4820    }
4821
4822    public interface OnConferenceJoined {
4823        void onConferenceJoined(Conversation conversation);
4824    }
4825
4826    public interface OnConfigurationPushed {
4827        void onPushSucceeded();
4828
4829        void onPushFailed();
4830    }
4831
4832    public interface OnShowErrorToast {
4833        void onShowErrorToast(int resId);
4834    }
4835
4836    public class XmppConnectionBinder extends Binder {
4837        public XmppConnectionService getService() {
4838            return XmppConnectionService.this;
4839        }
4840    }
4841
4842    private class InternalEventReceiver extends BroadcastReceiver {
4843
4844        @Override
4845        public void onReceive(Context context, Intent intent) {
4846            onStartCommand(intent, 0, 0);
4847        }
4848    }
4849
4850    public static class OngoingCall {
4851        private final AbstractJingleConnection.Id id;
4852        private final Set<Media> media;
4853
4854        public OngoingCall(AbstractJingleConnection.Id id, Set<Media> media) {
4855            this.id = id;
4856            this.media = media;
4857        }
4858
4859        @Override
4860        public boolean equals(Object o) {
4861            if (this == o) return true;
4862            if (o == null || getClass() != o.getClass()) return false;
4863            OngoingCall that = (OngoingCall) o;
4864            return Objects.equal(id, that.id);
4865        }
4866
4867        @Override
4868        public int hashCode() {
4869            return Objects.hashCode(id);
4870        }
4871    }
4872}