XmppConnectionService.java

   1package eu.siacs.conversations.services;
   2
   3import static eu.siacs.conversations.utils.Compatibility.s;
   4import static eu.siacs.conversations.utils.Random.SECURE_RANDOM;
   5
   6import android.Manifest;
   7import android.annotation.SuppressLint;
   8import android.annotation.TargetApi;
   9import android.app.AlarmManager;
  10import android.app.KeyguardManager;
  11import android.app.Notification;
  12import android.app.NotificationManager;
  13import android.app.PendingIntent;
  14import android.app.Service;
  15import android.content.BroadcastReceiver;
  16import android.content.ComponentName;
  17import android.content.Context;
  18import android.content.Intent;
  19import android.content.IntentFilter;
  20import android.content.SharedPreferences;
  21import android.content.pm.PackageManager;
  22import android.content.pm.ServiceInfo;
  23import android.database.ContentObserver;
  24import android.graphics.Bitmap;
  25import android.media.AudioManager;
  26import android.net.ConnectivityManager;
  27import android.net.Network;
  28import android.net.NetworkCapabilities;
  29import android.net.NetworkInfo;
  30import android.net.Uri;
  31import android.os.Binder;
  32import android.os.Build;
  33import android.os.Bundle;
  34import android.os.Environment;
  35import android.os.IBinder;
  36import android.os.Messenger;
  37import android.os.PowerManager;
  38import android.os.PowerManager.WakeLock;
  39import android.os.SystemClock;
  40import android.preference.PreferenceManager;
  41import android.provider.ContactsContract;
  42import android.security.KeyChain;
  43import android.text.TextUtils;
  44import android.util.DisplayMetrics;
  45import android.util.Log;
  46import android.util.LruCache;
  47import android.util.Pair;
  48
  49import androidx.annotation.BoolRes;
  50import androidx.annotation.IntegerRes;
  51import androidx.annotation.NonNull;
  52import androidx.annotation.Nullable;
  53import androidx.core.app.RemoteInput;
  54import androidx.core.content.ContextCompat;
  55import androidx.core.util.Consumer;
  56
  57import com.google.common.base.Objects;
  58import com.google.common.base.Optional;
  59import com.google.common.base.Strings;
  60import com.google.common.collect.Collections2;
  61import com.google.common.collect.Iterables;
  62
  63import org.conscrypt.Conscrypt;
  64import org.jxmpp.stringprep.libidn.LibIdnXmppStringprep;
  65import org.openintents.openpgp.IOpenPgpService2;
  66import org.openintents.openpgp.util.OpenPgpApi;
  67import org.openintents.openpgp.util.OpenPgpServiceConnection;
  68
  69import java.io.File;
  70import java.security.Security;
  71import java.security.cert.CertificateException;
  72import java.security.cert.X509Certificate;
  73import java.util.ArrayList;
  74import java.util.Arrays;
  75import java.util.Collection;
  76import java.util.Collections;
  77import java.util.HashSet;
  78import java.util.Hashtable;
  79import java.util.Iterator;
  80import java.util.List;
  81import java.util.ListIterator;
  82import java.util.Map;
  83import java.util.Set;
  84import java.util.WeakHashMap;
  85import java.util.concurrent.CopyOnWriteArrayList;
  86import java.util.concurrent.CountDownLatch;
  87import java.util.concurrent.Executor;
  88import java.util.concurrent.Executors;
  89import java.util.concurrent.RejectedExecutionException;
  90import java.util.concurrent.ScheduledExecutorService;
  91import java.util.concurrent.TimeUnit;
  92import java.util.concurrent.atomic.AtomicBoolean;
  93import java.util.concurrent.atomic.AtomicLong;
  94import java.util.concurrent.atomic.AtomicReference;
  95
  96import eu.siacs.conversations.AppSettings;
  97import eu.siacs.conversations.Config;
  98import eu.siacs.conversations.R;
  99import eu.siacs.conversations.android.JabberIdContact;
 100import eu.siacs.conversations.crypto.OmemoSetting;
 101import eu.siacs.conversations.crypto.PgpDecryptionService;
 102import eu.siacs.conversations.crypto.PgpEngine;
 103import eu.siacs.conversations.crypto.axolotl.AxolotlService;
 104import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
 105import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
 106import eu.siacs.conversations.entities.Account;
 107import eu.siacs.conversations.entities.Blockable;
 108import eu.siacs.conversations.entities.Bookmark;
 109import eu.siacs.conversations.entities.Contact;
 110import eu.siacs.conversations.entities.Conversation;
 111import eu.siacs.conversations.entities.Conversational;
 112import eu.siacs.conversations.entities.Message;
 113import eu.siacs.conversations.entities.MucOptions;
 114import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
 115import eu.siacs.conversations.entities.Presence;
 116import eu.siacs.conversations.entities.PresenceTemplate;
 117import eu.siacs.conversations.entities.Roster;
 118import eu.siacs.conversations.entities.ServiceDiscoveryResult;
 119import eu.siacs.conversations.generator.AbstractGenerator;
 120import eu.siacs.conversations.generator.IqGenerator;
 121import eu.siacs.conversations.generator.MessageGenerator;
 122import eu.siacs.conversations.generator.PresenceGenerator;
 123import eu.siacs.conversations.http.HttpConnectionManager;
 124import eu.siacs.conversations.parser.AbstractParser;
 125import eu.siacs.conversations.parser.IqParser;
 126import eu.siacs.conversations.parser.MessageParser;
 127import eu.siacs.conversations.parser.PresenceParser;
 128import eu.siacs.conversations.persistance.DatabaseBackend;
 129import eu.siacs.conversations.persistance.FileBackend;
 130import eu.siacs.conversations.persistance.UnifiedPushDatabase;
 131import eu.siacs.conversations.ui.ChooseAccountForProfilePictureActivity;
 132import eu.siacs.conversations.ui.ConversationsActivity;
 133import eu.siacs.conversations.ui.RtpSessionActivity;
 134import eu.siacs.conversations.ui.UiCallback;
 135import eu.siacs.conversations.ui.interfaces.OnAvatarPublication;
 136import eu.siacs.conversations.ui.interfaces.OnMediaLoaded;
 137import eu.siacs.conversations.ui.interfaces.OnSearchResultsAvailable;
 138import eu.siacs.conversations.utils.AccountUtils;
 139import eu.siacs.conversations.utils.Compatibility;
 140import eu.siacs.conversations.utils.ConversationsFileObserver;
 141import eu.siacs.conversations.utils.CryptoHelper;
 142import eu.siacs.conversations.utils.EasyOnboardingInvite;
 143import eu.siacs.conversations.utils.ExceptionHelper;
 144import eu.siacs.conversations.utils.MimeUtils;
 145import eu.siacs.conversations.utils.PhoneHelper;
 146import eu.siacs.conversations.utils.QuickLoader;
 147import eu.siacs.conversations.utils.ReplacingSerialSingleThreadExecutor;
 148import eu.siacs.conversations.utils.ReplacingTaskManager;
 149import eu.siacs.conversations.utils.Resolver;
 150import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
 151import eu.siacs.conversations.utils.StringUtils;
 152import eu.siacs.conversations.utils.TorServiceUtils;
 153import eu.siacs.conversations.utils.WakeLockHelper;
 154import eu.siacs.conversations.utils.XmppUri;
 155import eu.siacs.conversations.xml.Element;
 156import eu.siacs.conversations.xml.LocalizedContent;
 157import eu.siacs.conversations.xml.Namespace;
 158import eu.siacs.conversations.xmpp.InvalidJid;
 159import eu.siacs.conversations.xmpp.Jid;
 160import eu.siacs.conversations.xmpp.OnBindListener;
 161import eu.siacs.conversations.xmpp.OnContactStatusChanged;
 162import eu.siacs.conversations.xmpp.OnIqPacketReceived;
 163import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
 164import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
 165import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 166import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
 167import eu.siacs.conversations.xmpp.OnStatusChanged;
 168import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
 169import eu.siacs.conversations.xmpp.XmppConnection;
 170import eu.siacs.conversations.xmpp.chatstate.ChatState;
 171import eu.siacs.conversations.xmpp.forms.Data;
 172import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
 173import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 174import eu.siacs.conversations.xmpp.jingle.JingleRtpConnection;
 175import eu.siacs.conversations.xmpp.jingle.Media;
 176import eu.siacs.conversations.xmpp.jingle.RtpEndUserState;
 177import eu.siacs.conversations.xmpp.mam.MamReference;
 178import eu.siacs.conversations.xmpp.pep.Avatar;
 179import eu.siacs.conversations.xmpp.pep.PublishOptions;
 180import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 181import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 182import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 183import me.leolin.shortcutbadger.ShortcutBadger;
 184
 185public class XmppConnectionService extends Service {
 186
 187    public static final String ACTION_REPLY_TO_CONVERSATION = "reply_to_conversations";
 188    public static final String ACTION_MARK_AS_READ = "mark_as_read";
 189    public static final String ACTION_SNOOZE = "snooze";
 190    public static final String ACTION_CLEAR_MESSAGE_NOTIFICATION = "clear_message_notification";
 191    public static final String ACTION_CLEAR_MISSED_CALL_NOTIFICATION = "clear_missed_call_notification";
 192    public static final String ACTION_DISMISS_ERROR_NOTIFICATIONS = "dismiss_error";
 193    public static final String ACTION_TRY_AGAIN = "try_again";
 194
 195    public static final String ACTION_TEMPORARILY_DISABLE = "temporarily_disable";
 196    public static final String ACTION_PING = "ping";
 197    public static final String ACTION_IDLE_PING = "idle_ping";
 198    public static final String ACTION_INTERNAL_PING = "internal_ping";
 199    public static final String ACTION_FCM_TOKEN_REFRESH = "fcm_token_refresh";
 200    public static final String ACTION_FCM_MESSAGE_RECEIVED = "fcm_message_received";
 201    public static final String ACTION_DISMISS_CALL = "dismiss_call";
 202    public static final String ACTION_END_CALL = "end_call";
 203    public static final String ACTION_PROVISION_ACCOUNT = "provision_account";
 204    public static final String ACTION_CALL_INTEGRATION_SERVICE_STARTED = "call_integration_service_started";
 205    private static final String ACTION_POST_CONNECTIVITY_CHANGE = "eu.siacs.conversations.POST_CONNECTIVITY_CHANGE";
 206    public static final String ACTION_RENEW_UNIFIED_PUSH_ENDPOINTS = "eu.siacs.conversations.UNIFIED_PUSH_RENEW";
 207    public static final String ACTION_QUICK_LOG = "eu.siacs.conversations.QUICK_LOG";
 208
 209    private static final String SETTING_LAST_ACTIVITY_TS = "last_activity_timestamp";
 210
 211    public final CountDownLatch restoredFromDatabaseLatch = new CountDownLatch(1);
 212    private final static Executor FILE_OBSERVER_EXECUTOR = Executors.newSingleThreadExecutor();
 213    private final static Executor FILE_ATTACHMENT_EXECUTOR = Executors.newSingleThreadExecutor();
 214
 215    private final ScheduledExecutorService internalPingExecutor = Executors.newSingleThreadScheduledExecutor();
 216    private final static SerialSingleThreadExecutor VIDEO_COMPRESSION_EXECUTOR = new SerialSingleThreadExecutor("VideoCompression");
 217    private final SerialSingleThreadExecutor mDatabaseWriterExecutor = new SerialSingleThreadExecutor("DatabaseWriter");
 218    private final SerialSingleThreadExecutor mDatabaseReaderExecutor = new SerialSingleThreadExecutor("DatabaseReader");
 219    private final SerialSingleThreadExecutor mNotificationExecutor = new SerialSingleThreadExecutor("NotificationExecutor");
 220    private final ReplacingTaskManager mRosterSyncTaskManager = new ReplacingTaskManager();
 221    private final IBinder mBinder = new XmppConnectionBinder();
 222    private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 223    private final IqGenerator mIqGenerator = new IqGenerator(this);
 224    private final Set<String> mInProgressAvatarFetches = new HashSet<>();
 225    private final Set<String> mOmittedPepAvatarFetches = new HashSet<>();
 226    private final HashSet<Jid> mLowPingTimeoutMode = new HashSet<>();
 227    private final OnIqPacketReceived mDefaultIqHandler = (account, packet) -> {
 228        if (packet.getType() != IqPacket.TYPE.RESULT) {
 229            Element error = packet.findChild("error");
 230            String text = error != null ? error.findChildContent("text") : null;
 231            if (text != null) {
 232                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received iq error - " + text);
 233            }
 234        }
 235    };
 236    public DatabaseBackend databaseBackend;
 237    private final ReplacingSerialSingleThreadExecutor mContactMergerExecutor = new ReplacingSerialSingleThreadExecutor("ContactMerger");
 238    private long mLastActivity = 0;
 239    private final FileBackend fileBackend = new FileBackend(this);
 240    private MemorizingTrustManager mMemorizingTrustManager;
 241    private final NotificationService mNotificationService = new NotificationService(this);
 242    private final UnifiedPushBroker unifiedPushBroker = new UnifiedPushBroker(this);
 243    private final ChannelDiscoveryService mChannelDiscoveryService = new ChannelDiscoveryService(this);
 244    private final ShortcutService mShortcutService = new ShortcutService(this);
 245    private final AtomicBoolean mInitialAddressbookSyncCompleted = new AtomicBoolean(false);
 246    private final AtomicBoolean mOngoingVideoTranscoding = new AtomicBoolean(false);
 247    private final AtomicBoolean mForceDuringOnCreate = new AtomicBoolean(false);
 248    private final AtomicReference<OngoingCall> ongoingCall = new AtomicReference<>();
 249    private final OnMessagePacketReceived mMessageParser = new MessageParser(this);
 250    private final OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 251    private final IqParser mIqParser = new IqParser(this);
 252    private final MessageGenerator mMessageGenerator = new MessageGenerator(this);
 253    public OnContactStatusChanged onContactStatusChanged = (contact, online) -> {
 254        Conversation conversation = find(getConversations(), contact);
 255        if (conversation != null) {
 256            if (online) {
 257                if (contact.getPresences().size() == 1) {
 258                    sendUnsentMessages(conversation);
 259                }
 260            }
 261        }
 262    };
 263    private final PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 264    private List<Account> accounts;
 265    private final JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(this);
 266    private final HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(this);
 267    private final AvatarService mAvatarService = new AvatarService(this);
 268    private final MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 269    private final PushManagementService mPushManagementService = new PushManagementService(this);
 270    private final QuickConversationsService mQuickConversationsService = new QuickConversationsService(this);
 271    private final ConversationsFileObserver fileObserver = new ConversationsFileObserver(
 272            Environment.getExternalStorageDirectory().getAbsolutePath()
 273    ) {
 274        @Override
 275        public void onEvent(final int event, final File file) {
 276            markFileDeleted(file);
 277        }
 278    };
 279    private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 280
 281        @Override
 282        public boolean onMessageAcknowledged(final Account account, final Jid to, final String id) {
 283            if (id.startsWith(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX)) {
 284                final String sessionId = id.substring(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX.length());
 285                mJingleConnectionManager.updateProposedSessionDiscovered(
 286                        account,
 287                        to,
 288                        sessionId,
 289                        JingleConnectionManager.DeviceDiscoveryState.SEARCHING_ACKNOWLEDGED
 290                );
 291            }
 292
 293
 294            final Jid bare = to.asBareJid();
 295
 296            for (final Conversation conversation : getConversations()) {
 297                if (conversation.getAccount() == account && conversation.getJid().asBareJid().equals(bare)) {
 298                    final Message message = conversation.findUnsentMessageWithUuid(id);
 299                    if (message != null) {
 300                        message.setStatus(Message.STATUS_SEND);
 301                        message.setErrorMessage(null);
 302                        databaseBackend.updateMessage(message, false);
 303                        return true;
 304                    }
 305                }
 306            }
 307            return false;
 308        }
 309    };
 310
 311    private boolean destroyed = false;
 312
 313    private int unreadCount = -1;
 314
 315    //Ui callback listeners
 316    private final Set<OnConversationUpdate> mOnConversationUpdates = Collections.newSetFromMap(new WeakHashMap<OnConversationUpdate, Boolean>());
 317    private final Set<OnShowErrorToast> mOnShowErrorToasts = Collections.newSetFromMap(new WeakHashMap<OnShowErrorToast, Boolean>());
 318    private final Set<OnAccountUpdate> mOnAccountUpdates = Collections.newSetFromMap(new WeakHashMap<OnAccountUpdate, Boolean>());
 319    private final Set<OnCaptchaRequested> mOnCaptchaRequested = Collections.newSetFromMap(new WeakHashMap<OnCaptchaRequested, Boolean>());
 320    private final Set<OnRosterUpdate> mOnRosterUpdates = Collections.newSetFromMap(new WeakHashMap<OnRosterUpdate, Boolean>());
 321    private final Set<OnUpdateBlocklist> mOnUpdateBlocklist = Collections.newSetFromMap(new WeakHashMap<OnUpdateBlocklist, Boolean>());
 322    private final Set<OnMucRosterUpdate> mOnMucRosterUpdate = Collections.newSetFromMap(new WeakHashMap<OnMucRosterUpdate, Boolean>());
 323    private final Set<OnKeyStatusUpdated> mOnKeyStatusUpdated = Collections.newSetFromMap(new WeakHashMap<OnKeyStatusUpdated, Boolean>());
 324    private final Set<OnJingleRtpConnectionUpdate> onJingleRtpConnectionUpdate = Collections.newSetFromMap(new WeakHashMap<OnJingleRtpConnectionUpdate, Boolean>());
 325
 326    private final Object LISTENER_LOCK = new Object();
 327
 328
 329    public final Set<String> FILENAMES_TO_IGNORE_DELETION = new HashSet<>();
 330
 331
 332    private final OnBindListener mOnBindListener = new OnBindListener() {
 333
 334        @Override
 335        public void onBind(final Account account) {
 336            synchronized (mInProgressAvatarFetches) {
 337                for (Iterator<String> iterator = mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
 338                    final String KEY = iterator.next();
 339                    if (KEY.startsWith(account.getJid().asBareJid() + "_")) {
 340                        iterator.remove();
 341                    }
 342                }
 343            }
 344            boolean loggedInSuccessfully = account.setOption(Account.OPTION_LOGGED_IN_SUCCESSFULLY, true);
 345            boolean gainedFeature = account.setOption(Account.OPTION_HTTP_UPLOAD_AVAILABLE, account.getXmppConnection().getFeatures().httpUpload(0));
 346            if (loggedInSuccessfully || gainedFeature) {
 347                databaseBackend.updateAccount(account);
 348            }
 349
 350            if (loggedInSuccessfully) {
 351                if (!TextUtils.isEmpty(account.getDisplayName())) {
 352                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": display name wasn't empty on first log in. publishing");
 353                    publishDisplayName(account);
 354                }
 355            }
 356
 357            account.getRoster().clearPresences();
 358            synchronized (account.inProgressConferenceJoins) {
 359                account.inProgressConferenceJoins.clear();
 360            }
 361            synchronized (account.inProgressConferencePings) {
 362                account.inProgressConferencePings.clear();
 363            }
 364            mJingleConnectionManager.notifyRebound(account);
 365            mQuickConversationsService.considerSyncBackground(false);
 366            fetchRosterFromServer(account);
 367
 368            final XmppConnection connection = account.getXmppConnection();
 369
 370            if (connection.getFeatures().bookmarks2()) {
 371                fetchBookmarks2(account);
 372            } else if (!account.getXmppConnection().getFeatures().bookmarksConversion()) {
 373                fetchBookmarks(account);
 374            }
 375
 376            if (connection.getFeatures().mds()) {
 377                fetchMessageDisplayedSynchronization(account);
 378            } else {
 379                Log.d(Config.LOGTAG,account.getJid()+": server has no support for mds");
 380            }
 381            final boolean flexible = account.getXmppConnection().getFeatures().flexibleOfflineMessageRetrieval();
 382            final boolean catchup = getMessageArchiveService().inCatchup(account);
 383            final boolean trackOfflineMessageRetrieval;
 384            if (flexible && catchup && account.getXmppConnection().isMamPreferenceAlways()) {
 385                trackOfflineMessageRetrieval = false;
 386                sendIqPacket(account, mIqGenerator.purgeOfflineMessages(), (acc, packet) -> {
 387                    if (packet.getType() == IqPacket.TYPE.RESULT) {
 388                        Log.d(Config.LOGTAG, acc.getJid().asBareJid() + ": successfully purged offline messages");
 389                    }
 390                });
 391            } else {
 392                trackOfflineMessageRetrieval = true;
 393            }
 394            sendPresence(account);
 395            account.getXmppConnection().trackOfflineMessageRetrieval(trackOfflineMessageRetrieval);
 396            if (mPushManagementService.available(account)) {
 397                mPushManagementService.registerPushTokenOnServer(account);
 398            }
 399            connectMultiModeConversations(account);
 400            syncDirtyContacts(account);
 401
 402            unifiedPushBroker.renewUnifiedPushEndpointsOnBind(account);
 403        }
 404    };
 405
 406    private final AtomicLong mLastExpiryRun = new AtomicLong(0);
 407    private final LruCache<Pair<String, String>, ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 408    private final OnStatusChanged statusListener = new OnStatusChanged() {
 409
 410        @Override
 411        public void onStatusChanged(final Account account) {
 412            XmppConnection connection = account.getXmppConnection();
 413            updateAccountUi();
 414
 415            if (account.getStatus() == Account.State.ONLINE || account.getStatus().isError()) {
 416                mQuickConversationsService.signalAccountStateChange();
 417            }
 418
 419            if (account.getStatus() == Account.State.ONLINE) {
 420                synchronized (mLowPingTimeoutMode) {
 421                    if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 422                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 423                    }
 424                }
 425                if (account.setShowErrorNotification(true)) {
 426                    databaseBackend.updateAccount(account);
 427                }
 428                mMessageArchiveService.executePendingQueries(account);
 429                if (connection != null && connection.getFeatures().csi()) {
 430                    if (checkListeners()) {
 431                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//inactive");
 432                        connection.sendInactive();
 433                    } else {
 434                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//active");
 435                        connection.sendActive();
 436                    }
 437                }
 438                List<Conversation> conversations = getConversations();
 439                for (Conversation conversation : conversations) {
 440                    final boolean inProgressJoin;
 441                    synchronized (account.inProgressConferenceJoins) {
 442                        inProgressJoin = account.inProgressConferenceJoins.contains(conversation);
 443                    }
 444                    final boolean pendingJoin;
 445                    synchronized (account.pendingConferenceJoins) {
 446                        pendingJoin = account.pendingConferenceJoins.contains(conversation);
 447                    }
 448                    if (conversation.getAccount() == account
 449                            && !pendingJoin
 450                            && !inProgressJoin) {
 451                        sendUnsentMessages(conversation);
 452                    }
 453                }
 454                final List<Conversation> pendingLeaves;
 455                synchronized (account.pendingConferenceLeaves) {
 456                    pendingLeaves = new ArrayList<>(account.pendingConferenceLeaves);
 457                    account.pendingConferenceLeaves.clear();
 458
 459                }
 460                for (Conversation conversation : pendingLeaves) {
 461                    leaveMuc(conversation);
 462                }
 463                final List<Conversation> pendingJoins;
 464                synchronized (account.pendingConferenceJoins) {
 465                    pendingJoins = new ArrayList<>(account.pendingConferenceJoins);
 466                    account.pendingConferenceJoins.clear();
 467                }
 468                for (Conversation conversation : pendingJoins) {
 469                    joinMuc(conversation);
 470                }
 471                scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 472            } else if (account.getStatus() == Account.State.OFFLINE || account.getStatus() == Account.State.DISABLED || account.getStatus() == Account.State.LOGGED_OUT) {
 473                resetSendingToWaiting(account);
 474                if (account.isConnectionEnabled() && isInLowPingTimeoutMode(account)) {
 475                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": went into offline state during low ping mode. reconnecting now");
 476                    reconnectAccount(account, true, false);
 477                } else {
 478                    final int timeToReconnect = SECURE_RANDOM.nextInt(10) + 2;
 479                    scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 480                }
 481            } else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 482                databaseBackend.updateAccount(account);
 483                reconnectAccount(account, true, false);
 484            } else if (account.getStatus() != Account.State.CONNECTING && account.getStatus() != Account.State.NO_INTERNET) {
 485                resetSendingToWaiting(account);
 486                if (connection != null && account.getStatus().isAttemptReconnect()) {
 487                    final boolean aggressive = account.getStatus() == Account.State.SEE_OTHER_HOST
 488                            || hasJingleRtpConnection(account);
 489                    final int next = connection.getTimeToNextAttempt(aggressive);
 490                    final boolean lowPingTimeoutMode = isInLowPingTimeoutMode(account);
 491                    if (next <= 0) {
 492                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. reconnecting now. lowPingTimeout=" + lowPingTimeoutMode);
 493                        reconnectAccount(account, true, false);
 494                    } else {
 495                        final int attempt = connection.getAttempt() + 1;
 496                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. try again in " + next + "s for the " + attempt + " time. lowPingTimeout=" + lowPingTimeoutMode+", aggressive="+aggressive);
 497                        scheduleWakeUpCall(next, account.getUuid().hashCode());
 498                        if (aggressive) {
 499                            internalPingExecutor.schedule(
 500                                    XmppConnectionService.this::manageAccountConnectionStatesInternal,
 501                                    (next * 1000L) + 50,
 502                                    TimeUnit.MILLISECONDS
 503                            );
 504                        }
 505                    }
 506                }
 507            }
 508            getNotificationService().updateErrorNotification();
 509        }
 510    };
 511    private OpenPgpServiceConnection pgpServiceConnection;
 512    private PgpEngine mPgpEngine = null;
 513    private WakeLock wakeLock;
 514    private LruCache<String, Bitmap> mBitmapCache;
 515    private final BroadcastReceiver mInternalEventReceiver = new InternalEventReceiver();
 516    private final BroadcastReceiver mInternalRestrictedEventReceiver = new RestrictedEventReceiver(Arrays.asList(TorServiceUtils.ACTION_STATUS));
 517    private final BroadcastReceiver mInternalScreenEventReceiver = new InternalEventReceiver();
 518
 519    private static String generateFetchKey(Account account, final Avatar avatar) {
 520        return account.getJid().asBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 521    }
 522
 523    private boolean isInLowPingTimeoutMode(Account account) {
 524        synchronized (mLowPingTimeoutMode) {
 525            return mLowPingTimeoutMode.contains(account.getJid().asBareJid());
 526        }
 527    }
 528
 529    public void startOngoingVideoTranscodingForegroundNotification() {
 530        mOngoingVideoTranscoding.set(true);
 531        toggleForegroundService();
 532    }
 533
 534    public void stopOngoingVideoTranscodingForegroundNotification() {
 535        mOngoingVideoTranscoding.set(false);
 536        toggleForegroundService();
 537    }
 538
 539    public boolean areMessagesInitialized() {
 540        return this.restoredFromDatabaseLatch.getCount() == 0;
 541    }
 542
 543    public PgpEngine getPgpEngine() {
 544        if (!Config.supportOpenPgp()) {
 545            return null;
 546        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 547            if (this.mPgpEngine == null) {
 548                this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 549                        getApplicationContext(),
 550                        pgpServiceConnection.getService()), this);
 551            }
 552            return mPgpEngine;
 553        } else {
 554            return null;
 555        }
 556
 557    }
 558
 559    public OpenPgpApi getOpenPgpApi() {
 560        if (!Config.supportOpenPgp()) {
 561            return null;
 562        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 563            return new OpenPgpApi(this, pgpServiceConnection.getService());
 564        } else {
 565            return null;
 566        }
 567    }
 568
 569    public FileBackend getFileBackend() {
 570        return this.fileBackend;
 571    }
 572
 573    public AvatarService getAvatarService() {
 574        return this.mAvatarService;
 575    }
 576
 577    public void attachLocationToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 578        int encryption = conversation.getNextEncryption();
 579        if (encryption == Message.ENCRYPTION_PGP) {
 580            encryption = Message.ENCRYPTION_DECRYPTED;
 581        }
 582        Message message = new Message(conversation, uri.toString(), encryption);
 583        Message.configurePrivateMessage(message);
 584        if (encryption == Message.ENCRYPTION_DECRYPTED) {
 585            getPgpEngine().encrypt(message, callback);
 586        } else {
 587            sendMessage(message);
 588            callback.success(message);
 589        }
 590    }
 591
 592    public void attachFileToConversation(final Conversation conversation, final Uri uri, final String type, final UiCallback<Message> callback) {
 593        final Message message;
 594        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 595            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 596        } else {
 597            message = new Message(conversation, "", conversation.getNextEncryption());
 598        }
 599        if (!Message.configurePrivateFileMessage(message)) {
 600            message.setCounterpart(conversation.getNextCounterpart());
 601            message.setType(Message.TYPE_FILE);
 602        }
 603        Log.d(Config.LOGTAG, "attachFile: type=" + message.getType());
 604        Log.d(Config.LOGTAG, "counterpart=" + message.getCounterpart());
 605        final AttachFileToConversationRunnable runnable = new AttachFileToConversationRunnable(this, uri, type, message, callback);
 606        if (runnable.isVideoMessage()) {
 607            VIDEO_COMPRESSION_EXECUTOR.execute(runnable);
 608        } else {
 609            FILE_ATTACHMENT_EXECUTOR.execute(runnable);
 610        }
 611    }
 612
 613    public void attachImageToConversation(final Conversation conversation, final Uri uri,  final String type, final UiCallback<Message> callback) {
 614        final String mimeType = MimeUtils.guessMimeTypeFromUriAndMime(this, uri, type);
 615        final String compressPictures = getCompressPicturesPreference();
 616
 617        if ("never".equals(compressPictures)
 618                || ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))
 619                || (mimeType != null && mimeType.endsWith("/gif"))
 620                || getFileBackend().unusualBounds(uri)) {
 621            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": not compressing picture. sending as file");
 622            attachFileToConversation(conversation, uri, mimeType, callback);
 623            return;
 624        }
 625        final Message message;
 626        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 627            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 628        } else {
 629            message = new Message(conversation, "", conversation.getNextEncryption());
 630        }
 631        if (!Message.configurePrivateFileMessage(message)) {
 632            message.setCounterpart(conversation.getNextCounterpart());
 633            message.setType(Message.TYPE_IMAGE);
 634        }
 635        Log.d(Config.LOGTAG, "attachImage: type=" + message.getType());
 636        FILE_ATTACHMENT_EXECUTOR.execute(() -> {
 637            try {
 638                getFileBackend().copyImageToPrivateStorage(message, uri);
 639            } catch (FileBackend.ImageCompressionException e) {
 640                Log.d(Config.LOGTAG, "unable to compress image. fall back to file transfer", e);
 641                attachFileToConversation(conversation, uri, mimeType, callback);
 642                return;
 643            } catch (final FileBackend.FileCopyException e) {
 644                callback.error(e.getResId(), message);
 645                return;
 646            }
 647            if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 648                final PgpEngine pgpEngine = getPgpEngine();
 649                if (pgpEngine != null) {
 650                    pgpEngine.encrypt(message, callback);
 651                } else if (callback != null) {
 652                    callback.error(R.string.unable_to_connect_to_keychain, null);
 653                }
 654            } else {
 655                sendMessage(message);
 656                callback.success(message);
 657            }
 658        });
 659    }
 660
 661    public Conversation find(Bookmark bookmark) {
 662        return find(bookmark.getAccount(), bookmark.getJid());
 663    }
 664
 665    public Conversation find(final Account account, final Jid jid) {
 666        return find(getConversations(), account, jid);
 667    }
 668
 669    public boolean isMuc(final Account account, final Jid jid) {
 670        final Conversation c = find(account, jid);
 671        return c != null && c.getMode() == Conversational.MODE_MULTI;
 672    }
 673
 674    public void search(final List<String> term, final String uuid, final OnSearchResultsAvailable onSearchResultsAvailable) {
 675        MessageSearchTask.search(this, term, uuid, onSearchResultsAvailable);
 676    }
 677
 678    @Override
 679    public int onStartCommand(final Intent intent, int flags, int startId) {
 680        final String action = Strings.nullToEmpty(intent == null ? null : intent.getAction());
 681        final boolean needsForegroundService = intent != null && intent.getBooleanExtra(EventReceiver.EXTRA_NEEDS_FOREGROUND_SERVICE, false);
 682        if (needsForegroundService) {
 683            Log.d(Config.LOGTAG, "toggle forced foreground service after receiving event (action=" + action + ")");
 684            toggleForegroundService(true);
 685        }
 686        final String uuid = intent == null ? null : intent.getStringExtra("uuid");
 687        switch (action) {
 688            case QuickConversationsService.SMS_RETRIEVED_ACTION:
 689                mQuickConversationsService.handleSmsReceived(intent);
 690                break;
 691            case ConnectivityManager.CONNECTIVITY_ACTION:
 692                if (hasInternetConnection()) {
 693                    if (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0) {
 694                        schedulePostConnectivityChange();
 695                    }
 696                    if (Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 697                        resetAllAttemptCounts(true, false);
 698                    }
 699                    Resolver.clearCache();
 700                }
 701                break;
 702            case Intent.ACTION_SHUTDOWN:
 703                logoutAndSave(true);
 704                return START_NOT_STICKY;
 705            case ACTION_CLEAR_MESSAGE_NOTIFICATION:
 706                mNotificationExecutor.execute(() -> {
 707                    try {
 708                        final Conversation c = findConversationByUuid(uuid);
 709                        if (c != null) {
 710                            mNotificationService.clearMessages(c);
 711                        } else {
 712                            mNotificationService.clearMessages();
 713                        }
 714                        restoredFromDatabaseLatch.await();
 715
 716                    } catch (InterruptedException e) {
 717                        Log.d(Config.LOGTAG, "unable to process clear message notification");
 718                    }
 719                });
 720                break;
 721            case ACTION_CLEAR_MISSED_CALL_NOTIFICATION:
 722                mNotificationExecutor.execute(() -> {
 723                    try {
 724                        final Conversation c = findConversationByUuid(uuid);
 725                        if (c != null) {
 726                            mNotificationService.clearMissedCalls(c);
 727                        } else {
 728                            mNotificationService.clearMissedCalls();
 729                        }
 730                        restoredFromDatabaseLatch.await();
 731
 732                    } catch (InterruptedException e) {
 733                        Log.d(Config.LOGTAG, "unable to process clear missed call notification");
 734                    }
 735                });
 736                break;
 737            case ACTION_DISMISS_CALL: {
 738                if (intent == null) {
 739                    break;
 740                }
 741                final String sessionId = intent.getStringExtra(RtpSessionActivity.EXTRA_SESSION_ID);
 742                Log.d(Config.LOGTAG, "received intent to dismiss call with session id " + sessionId);
 743                mJingleConnectionManager.rejectRtpSession(sessionId);
 744                break;
 745            }
 746            case TorServiceUtils.ACTION_STATUS:
 747                final String status = intent == null ? null : intent.getStringExtra(TorServiceUtils.EXTRA_STATUS);
 748                //TODO port and host are in 'extras' - but this may not be a reliable source?
 749                if ("ON".equals(status)) {
 750                    handleOrbotStartedEvent();
 751                    return START_STICKY;
 752                }
 753                break;
 754            case ACTION_END_CALL: {
 755                if (intent == null) {
 756                    break;
 757                }
 758                final String sessionId = intent.getStringExtra(RtpSessionActivity.EXTRA_SESSION_ID);
 759                Log.d(Config.LOGTAG, "received intent to end call with session id " + sessionId);
 760                mJingleConnectionManager.endRtpSession(sessionId);
 761            }
 762            break;
 763            case ACTION_PROVISION_ACCOUNT: {
 764                if (intent == null) {
 765                    break;
 766                }
 767                final String address = intent.getStringExtra("address");
 768                final String password = intent.getStringExtra("password");
 769                if (QuickConversationsService.isQuicksy() || Strings.isNullOrEmpty(address) || Strings.isNullOrEmpty(password)) {
 770                    break;
 771                }
 772                provisionAccount(address, password);
 773                break;
 774            }
 775            case ACTION_DISMISS_ERROR_NOTIFICATIONS:
 776                dismissErrorNotifications();
 777                break;
 778            case ACTION_TRY_AGAIN:
 779                resetAllAttemptCounts(false, true);
 780                break;
 781            case ACTION_REPLY_TO_CONVERSATION:
 782                final Bundle remoteInput = intent == null ? null : RemoteInput.getResultsFromIntent(intent);
 783                if (remoteInput == null) {
 784                    break;
 785                }
 786                final CharSequence body = remoteInput.getCharSequence("text_reply");
 787                final boolean dismissNotification = intent.getBooleanExtra("dismiss_notification", false);
 788                final String lastMessageUuid = intent.getStringExtra("last_message_uuid");
 789                if (body == null || body.length() <= 0) {
 790                    break;
 791                }
 792                mNotificationExecutor.execute(() -> {
 793                    try {
 794                        restoredFromDatabaseLatch.await();
 795                        final Conversation c = findConversationByUuid(uuid);
 796                        if (c != null) {
 797                            directReply(c, body.toString(), lastMessageUuid, dismissNotification);
 798                        }
 799                    } catch (InterruptedException e) {
 800                        Log.d(Config.LOGTAG, "unable to process direct reply");
 801                    }
 802                });
 803                break;
 804            case ACTION_MARK_AS_READ:
 805                mNotificationExecutor.execute(() -> {
 806                    final Conversation c = findConversationByUuid(uuid);
 807                    if (c == null) {
 808                        Log.d(Config.LOGTAG, "received mark read intent for unknown conversation (" + uuid + ")");
 809                        return;
 810                    }
 811                    try {
 812                        restoredFromDatabaseLatch.await();
 813                        sendReadMarker(c, null);
 814                    } catch (InterruptedException e) {
 815                        Log.d(Config.LOGTAG, "unable to process notification read marker for conversation " + c.getName());
 816                    }
 817
 818                });
 819                break;
 820            case ACTION_SNOOZE:
 821                mNotificationExecutor.execute(() -> {
 822                    final Conversation c = findConversationByUuid(uuid);
 823                    if (c == null) {
 824                        Log.d(Config.LOGTAG, "received snooze intent for unknown conversation (" + uuid + ")");
 825                        return;
 826                    }
 827                    c.setMutedTill(System.currentTimeMillis() + 30 * 60 * 1000);
 828                    mNotificationService.clearMessages(c);
 829                    updateConversation(c);
 830                });
 831            case AudioManager.RINGER_MODE_CHANGED_ACTION:
 832            case NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED:
 833                if (dndOnSilentMode()) {
 834                    refreshAllPresences();
 835                }
 836                break;
 837            case Intent.ACTION_SCREEN_ON:
 838                deactivateGracePeriod();
 839            case Intent.ACTION_USER_PRESENT:
 840            case Intent.ACTION_SCREEN_OFF:
 841                if (awayWhenScreenLocked()) {
 842                    refreshAllPresences();
 843                }
 844                break;
 845            case ACTION_FCM_TOKEN_REFRESH:
 846                refreshAllFcmTokens();
 847                break;
 848            case ACTION_RENEW_UNIFIED_PUSH_ENDPOINTS:
 849                if (intent == null) {
 850                    break;
 851                }
 852                final String instance = intent.getStringExtra("instance");
 853                final String application = intent.getStringExtra("application");
 854                final Messenger messenger = intent.getParcelableExtra("messenger");
 855                final UnifiedPushBroker.PushTargetMessenger pushTargetMessenger;
 856                if (messenger != null && application != null && instance != null) {
 857                    pushTargetMessenger = new UnifiedPushBroker.PushTargetMessenger(new UnifiedPushDatabase.PushTarget(application, instance),messenger);
 858                    Log.d(Config.LOGTAG,"found push target messenger");
 859                } else {
 860                    pushTargetMessenger = null;
 861                }
 862                final Optional<UnifiedPushBroker.Transport> transport = renewUnifiedPushEndpoints(pushTargetMessenger);
 863                if (instance != null && transport.isPresent()) {
 864                    unifiedPushBroker.rebroadcastEndpoint(messenger, instance, transport.get());
 865                }
 866                break;
 867            case ACTION_IDLE_PING:
 868                scheduleNextIdlePing();
 869                break;
 870            case ACTION_FCM_MESSAGE_RECEIVED:
 871                Log.d(Config.LOGTAG, "push message arrived in service. account");
 872                break;
 873            case ACTION_QUICK_LOG:
 874                final String message = intent == null ? null : intent.getStringExtra("message");
 875                if (message != null && Config.QUICK_LOG) {
 876                    quickLog(message);
 877                }
 878                break;
 879            case Intent.ACTION_SEND:
 880                final Uri uri = intent == null ? null : intent.getData();
 881                if (uri != null) {
 882                    Log.d(Config.LOGTAG, "received uri permission for " + uri);
 883                }
 884                return START_STICKY;
 885            case ACTION_TEMPORARILY_DISABLE:
 886                toggleSoftDisabled(true);
 887                if (checkListeners()) {
 888                    stopSelf();
 889                }
 890                return START_NOT_STICKY;
 891        }
 892        final var extras =  intent == null ? null : intent.getExtras();
 893        try {
 894            internalPingExecutor.execute(() -> manageAccountConnectionStates(action, extras));
 895        } catch (final RejectedExecutionException e) {
 896            Log.e(Config.LOGTAG, "can not schedule connection states manager");
 897        }
 898        if (SystemClock.elapsedRealtime() - mLastExpiryRun.get() >= Config.EXPIRY_INTERVAL) {
 899            expireOldMessages();
 900        }
 901        return START_STICKY;
 902    }
 903
 904    private void quickLog(final String message) {
 905        if (Strings.isNullOrEmpty(message)) {
 906            return;
 907        }
 908        final Account account = AccountUtils.getFirstEnabled(this);
 909        if (account == null) {
 910            return;
 911        }
 912        final Conversation conversation =
 913                findOrCreateConversation(account, Config.BUG_REPORTS, false, true);
 914        final Message report = new Message(conversation, message, Message.ENCRYPTION_NONE);
 915        report.setStatus(Message.STATUS_RECEIVED);
 916        conversation.add(report);
 917        databaseBackend.createMessage(report);
 918        updateConversationUi();
 919    }
 920
 921    private void manageAccountConnectionStatesInternal() {
 922        manageAccountConnectionStates(ACTION_INTERNAL_PING, null);
 923    }
 924
 925    private synchronized void manageAccountConnectionStates(
 926            final String action, final Bundle extras) {
 927        final String pushedAccountHash = extras == null ? null : extras.getString("account");
 928        final boolean interactive = java.util.Objects.equals(ACTION_TRY_AGAIN, action);
 929        WakeLockHelper.acquire(wakeLock);
 930        boolean pingNow =
 931                ConnectivityManager.CONNECTIVITY_ACTION.equals(action)
 932                        || (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0
 933                                && ACTION_POST_CONNECTIVITY_CHANGE.equals(action));
 934        final HashSet<Account> pingCandidates = new HashSet<>();
 935        final String androidId = pushedAccountHash == null ? null : PhoneHelper.getAndroidId(this);
 936        for (final Account account : accounts) {
 937            final boolean pushWasMeantForThisAccount =
 938                    androidId != null
 939                            && CryptoHelper.getAccountFingerprint(account, androidId)
 940                                    .equals(pushedAccountHash);
 941            pingNow |=
 942                    processAccountState(
 943                            account,
 944                            interactive,
 945                            "ui".equals(action),
 946                            pushWasMeantForThisAccount,
 947                            pingCandidates);
 948        }
 949        if (pingNow) {
 950            for (final Account account : pingCandidates) {
 951                final boolean lowTimeout = isInLowPingTimeoutMode(account);
 952                account.getXmppConnection().sendPing();
 953                Log.d(
 954                        Config.LOGTAG,
 955                        account.getJid().asBareJid()
 956                                + " send ping (action="
 957                                + action
 958                                + ",lowTimeout="
 959                                + lowTimeout
 960                                + ")");
 961                scheduleWakeUpCall(
 962                        lowTimeout ? Config.LOW_PING_TIMEOUT : Config.PING_TIMEOUT,
 963                        account.getUuid().hashCode());
 964            }
 965        }
 966        WakeLockHelper.release(wakeLock);
 967    }
 968
 969    private void handleOrbotStartedEvent() {
 970        for (final Account account : accounts) {
 971            if (account.getStatus() == Account.State.TOR_NOT_AVAILABLE) {
 972                reconnectAccount(account, true, false);
 973            }
 974        }
 975    }
 976
 977    private boolean processAccountState(final Account account, final boolean interactive, final boolean isUiAction, final boolean isAccountPushed, final HashSet<Account> pingCandidates) {
 978        if (!account.getStatus().isAttemptReconnect()) {
 979            return false;
 980        }
 981        if (!hasInternetConnection()) {
 982            account.setStatus(Account.State.NO_INTERNET);
 983            statusListener.onStatusChanged(account);
 984        } else {
 985            if (account.getStatus() == Account.State.NO_INTERNET) {
 986                account.setStatus(Account.State.OFFLINE);
 987                statusListener.onStatusChanged(account);
 988            }
 989            if (account.getStatus() == Account.State.ONLINE) {
 990                synchronized (mLowPingTimeoutMode) {
 991                    long lastReceived = account.getXmppConnection().getLastPacketReceived();
 992                    long lastSent = account.getXmppConnection().getLastPingSent();
 993                    long pingInterval = isUiAction ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 994                    long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 995                    int pingTimeout = mLowPingTimeoutMode.contains(account.getJid().asBareJid()) ? Config.LOW_PING_TIMEOUT * 1000 : Config.PING_TIMEOUT * 1000;
 996                    long pingTimeoutIn = (lastSent + pingTimeout) - SystemClock.elapsedRealtime();
 997                    if (lastSent > lastReceived) {
 998                        if (pingTimeoutIn < 0) {
 999                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ping timeout");
1000                            this.reconnectAccount(account, true, interactive);
1001                        } else {
1002                            int secs = (int) (pingTimeoutIn / 1000);
1003                            this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
1004                        }
1005                    } else {
1006                        pingCandidates.add(account);
1007                        if (isAccountPushed) {
1008                            if (mLowPingTimeoutMode.add(account.getJid().asBareJid())) {
1009                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": entering low ping timeout mode");
1010                            }
1011                            return true;
1012                        } else if (msToNextPing <= 0) {
1013                            return true;
1014                        } else {
1015                            this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
1016                            if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
1017                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
1018                            }
1019                        }
1020                    }
1021                }
1022            } else if (account.getStatus() == Account.State.OFFLINE) {
1023                reconnectAccount(account, true, interactive);
1024            } else if (account.getStatus() == Account.State.CONNECTING) {
1025                long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
1026                long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
1027                long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
1028                long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
1029                if (timeout < 0) {
1030                    Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting (secondsSinceLast=" + secondsSinceLastConnect + ")");
1031                    account.getXmppConnection().resetAttemptCount(false);
1032                    reconnectAccount(account, true, interactive);
1033                } else if (discoTimeout < 0) {
1034                    account.getXmppConnection().sendDiscoTimeout();
1035                    scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
1036                } else {
1037                    scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
1038                }
1039            } else {
1040                final boolean aggressive = account.getStatus() == Account.State.SEE_OTHER_HOST || hasJingleRtpConnection(account);
1041                if (account.getXmppConnection().getTimeToNextAttempt(aggressive) <= 0) {
1042                    reconnectAccount(account, true, interactive);
1043                }
1044            }
1045        }
1046        return false;
1047    }
1048
1049    private void toggleSoftDisabled(final boolean softDisabled) {
1050        for(final Account account : this.accounts) {
1051            if (account.isEnabled()) {
1052                if (account.setOption(Account.OPTION_SOFT_DISABLED, softDisabled)) {
1053                    updateAccount(account);
1054                }
1055            }
1056        }
1057    }
1058
1059    public boolean processUnifiedPushMessage(final Account account, final Jid transport, final Element push) {
1060        return unifiedPushBroker.processPushMessage(account, transport, push);
1061    }
1062
1063    public void reinitializeMuclumbusService() {
1064        mChannelDiscoveryService.initializeMuclumbusService();
1065    }
1066
1067    public void discoverChannels(String query, ChannelDiscoveryService.Method method, ChannelDiscoveryService.OnChannelSearchResultsFound onChannelSearchResultsFound) {
1068        mChannelDiscoveryService.discover(Strings.nullToEmpty(query).trim(), method, onChannelSearchResultsFound);
1069    }
1070
1071    public boolean isDataSaverDisabled() {
1072        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
1073            return true;
1074        }
1075        final ConnectivityManager connectivityManager = getSystemService(ConnectivityManager.class);
1076        return !Compatibility.isActiveNetworkMetered(connectivityManager)
1077                || Compatibility.getRestrictBackgroundStatus(connectivityManager)
1078                        == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
1079    }
1080
1081    private void directReply(final Conversation conversation, final String body, final String lastMessageUuid, final boolean dismissAfterReply) {
1082        final Message inReplyTo = lastMessageUuid == null ? null : conversation.findMessageWithUuid(lastMessageUuid);
1083        final Message message = new Message(conversation, body, conversation.getNextEncryption());
1084        if (inReplyTo != null && inReplyTo.isPrivateMessage()) {
1085            Message.configurePrivateMessage(message, inReplyTo.getCounterpart());
1086        }
1087        message.markUnread();
1088        if (message.getEncryption() == Message.ENCRYPTION_PGP) {
1089            getPgpEngine().encrypt(message, new UiCallback<Message>() {
1090                @Override
1091                public void success(Message message) {
1092                    if (dismissAfterReply) {
1093                        markRead((Conversation) message.getConversation(), true);
1094                    } else {
1095                        mNotificationService.pushFromDirectReply(message);
1096                    }
1097                }
1098
1099                @Override
1100                public void error(int errorCode, Message object) {
1101
1102                }
1103
1104                @Override
1105                public void userInputRequired(PendingIntent pi, Message object) {
1106
1107                }
1108            });
1109        } else {
1110            sendMessage(message);
1111            if (dismissAfterReply) {
1112                markRead(conversation, true);
1113            } else {
1114                mNotificationService.pushFromDirectReply(message);
1115            }
1116        }
1117    }
1118
1119    private boolean dndOnSilentMode() {
1120        return getBooleanPreference(AppSettings.DND_ON_SILENT_MODE, R.bool.dnd_on_silent_mode);
1121    }
1122
1123    private boolean manuallyChangePresence() {
1124        return getBooleanPreference(AppSettings.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
1125    }
1126
1127    private boolean treatVibrateAsSilent() {
1128        return getBooleanPreference(AppSettings.TREAT_VIBRATE_AS_SILENT, R.bool.treat_vibrate_as_silent);
1129    }
1130
1131    private boolean awayWhenScreenLocked() {
1132        return getBooleanPreference(AppSettings.AWAY_WHEN_SCREEN_IS_OFF, R.bool.away_when_screen_off);
1133    }
1134
1135    private String getCompressPicturesPreference() {
1136        return getPreferences().getString("picture_compression", getResources().getString(R.string.picture_compression));
1137    }
1138
1139    private Presence.Status getTargetPresence() {
1140        if (dndOnSilentMode() && isPhoneSilenced()) {
1141            return Presence.Status.DND;
1142        } else if (awayWhenScreenLocked() && isScreenLocked()) {
1143            return Presence.Status.AWAY;
1144        } else {
1145            return Presence.Status.ONLINE;
1146        }
1147    }
1148
1149    public boolean isScreenLocked() {
1150        final KeyguardManager keyguardManager = getSystemService(KeyguardManager.class);
1151        final PowerManager powerManager = getSystemService(PowerManager.class);
1152        final boolean locked = keyguardManager != null && keyguardManager.isKeyguardLocked();
1153        final boolean interactive;
1154        try {
1155            interactive = powerManager != null && powerManager.isInteractive();
1156        } catch (final Exception e) {
1157            return false;
1158        }
1159        return locked || !interactive;
1160    }
1161
1162    private boolean isPhoneSilenced() {
1163        final NotificationManager notificationManager = getSystemService(NotificationManager.class);
1164        final int filter = notificationManager == null ? NotificationManager.INTERRUPTION_FILTER_UNKNOWN : notificationManager.getCurrentInterruptionFilter();
1165        final boolean notificationDnd = filter >= NotificationManager.INTERRUPTION_FILTER_PRIORITY;
1166        final AudioManager audioManager = getSystemService(AudioManager.class);
1167        final int ringerMode = audioManager == null ? AudioManager.RINGER_MODE_NORMAL : audioManager.getRingerMode();
1168        try {
1169            if (treatVibrateAsSilent()) {
1170                return notificationDnd || ringerMode != AudioManager.RINGER_MODE_NORMAL;
1171            } else {
1172                return notificationDnd || ringerMode == AudioManager.RINGER_MODE_SILENT;
1173            }
1174        } catch (final Throwable throwable) {
1175            Log.d(Config.LOGTAG, "platform bug in isPhoneSilenced (" + throwable.getMessage() + ")");
1176            return notificationDnd;
1177        }
1178    }
1179
1180    private void resetAllAttemptCounts(boolean reallyAll, boolean retryImmediately) {
1181        Log.d(Config.LOGTAG, "resetting all attempt counts");
1182        for (Account account : accounts) {
1183            if (account.hasErrorStatus() || reallyAll) {
1184                final XmppConnection connection = account.getXmppConnection();
1185                if (connection != null) {
1186                    connection.resetAttemptCount(retryImmediately);
1187                }
1188            }
1189            if (account.setShowErrorNotification(true)) {
1190                mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
1191            }
1192        }
1193        mNotificationService.updateErrorNotification();
1194    }
1195
1196    private void dismissErrorNotifications() {
1197        for (final Account account : this.accounts) {
1198            if (account.hasErrorStatus()) {
1199                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": dismissing error notification");
1200                if (account.setShowErrorNotification(false)) {
1201                    mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
1202                }
1203            }
1204        }
1205    }
1206
1207    private void expireOldMessages() {
1208        expireOldMessages(false);
1209    }
1210
1211    public void expireOldMessages(final boolean resetHasMessagesLeftOnServer) {
1212        mLastExpiryRun.set(SystemClock.elapsedRealtime());
1213        mDatabaseWriterExecutor.execute(() -> {
1214            long timestamp = getAutomaticMessageDeletionDate();
1215            if (timestamp > 0) {
1216                databaseBackend.expireOldMessages(timestamp);
1217                synchronized (XmppConnectionService.this.conversations) {
1218                    for (Conversation conversation : XmppConnectionService.this.conversations) {
1219                        conversation.expireOldMessages(timestamp);
1220                        if (resetHasMessagesLeftOnServer) {
1221                            conversation.messagesLoaded.set(true);
1222                            conversation.setHasMessagesLeftOnServer(true);
1223                        }
1224                    }
1225                }
1226                updateConversationUi();
1227            }
1228        });
1229    }
1230
1231    public boolean hasInternetConnection() {
1232        final ConnectivityManager cm = ContextCompat.getSystemService(this, ConnectivityManager.class);
1233        if (cm == null) {
1234            return true; //if internet connection can not be checked it is probably best to just try
1235        }
1236        try {
1237            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.Q) {
1238                final Network activeNetwork = cm.getActiveNetwork();
1239                final NetworkCapabilities capabilities = activeNetwork == null ? null : cm.getNetworkCapabilities(activeNetwork);
1240                return capabilities != null && capabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET);
1241            } else {
1242                final NetworkInfo networkInfo = cm.getActiveNetworkInfo();
1243                return networkInfo != null && (networkInfo.isConnected() || networkInfo.getType() == ConnectivityManager.TYPE_ETHERNET);
1244            }
1245        } catch (final RuntimeException e) {
1246            Log.d(Config.LOGTAG, "unable to check for internet connection", e);
1247            return true; //if internet connection can not be checked it is probably best to just try
1248        }
1249    }
1250
1251    @SuppressLint("TrulyRandom")
1252    @Override
1253    public void onCreate() {
1254        LibIdnXmppStringprep.setup();
1255        if (Compatibility.runsTwentySix()) {
1256            mNotificationService.initializeChannels();
1257        }
1258        mChannelDiscoveryService.initializeMuclumbusService();
1259        mForceDuringOnCreate.set(Compatibility.runsAndTargetsTwentySix(this));
1260        toggleForegroundService();
1261        this.destroyed = false;
1262        OmemoSetting.load(this);
1263        ExceptionHelper.init(getApplicationContext());
1264        try {
1265            Security.insertProviderAt(Conscrypt.newProvider(), 1);
1266        } catch (Throwable throwable) {
1267            Log.e(Config.LOGTAG, "unable to initialize security provider", throwable);
1268        }
1269        Resolver.init(this);
1270        updateMemorizingTrustManager();
1271        final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
1272        final int cacheSize = maxMemory / 8;
1273        this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
1274            @Override
1275            protected int sizeOf(final String key, final Bitmap bitmap) {
1276                return bitmap.getByteCount() / 1024;
1277            }
1278        };
1279        if (mLastActivity == 0) {
1280            mLastActivity = getPreferences().getLong(SETTING_LAST_ACTIVITY_TS, System.currentTimeMillis());
1281        }
1282
1283        Log.d(Config.LOGTAG, "initializing database...");
1284        this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
1285        Log.d(Config.LOGTAG, "restoring accounts...");
1286        this.accounts = databaseBackend.getAccounts();
1287        final SharedPreferences.Editor editor = getPreferences().edit();
1288        final boolean hasEnabledAccounts = hasEnabledAccounts();
1289        editor.putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
1290        editor.apply();
1291        toggleSetProfilePictureActivity(hasEnabledAccounts);
1292        reconfigurePushDistributor();
1293
1294        if (CallIntegration.hasSystemFeature(this)) {
1295            CallIntegrationConnectionService.togglePhoneAccountsAsync(this, this.accounts);
1296        }
1297
1298        restoreFromDatabase();
1299
1300        if (QuickConversationsService.isContactListIntegration(this)
1301                && ContextCompat.checkSelfPermission(this, Manifest.permission.READ_CONTACTS)
1302                        == PackageManager.PERMISSION_GRANTED) {
1303            startContactObserver();
1304        }
1305        FILE_OBSERVER_EXECUTOR.execute(fileBackend::deleteHistoricAvatarPath);
1306        if (Compatibility.hasStoragePermission(this)) {
1307            Log.d(Config.LOGTAG, "starting file observer");
1308            FILE_OBSERVER_EXECUTOR.execute(this.fileObserver::startWatching);
1309            FILE_OBSERVER_EXECUTOR.execute(this::checkForDeletedFiles);
1310        }
1311        if (Config.supportOpenPgp()) {
1312            this.pgpServiceConnection = new OpenPgpServiceConnection(this, "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
1313                @Override
1314                public void onBound(final IOpenPgpService2 service) {
1315                    for (Account account : accounts) {
1316                        final PgpDecryptionService pgp = account.getPgpDecryptionService();
1317                        if (pgp != null) {
1318                            pgp.continueDecryption(true);
1319                        }
1320                    }
1321                }
1322
1323                @Override
1324                public void onError(final Exception exception) {
1325                    Log.e(Config.LOGTAG,"could not bind to OpenKeyChain", exception);
1326                }
1327            });
1328            this.pgpServiceConnection.bindToService();
1329        }
1330
1331        final PowerManager powerManager = getSystemService(PowerManager.class);
1332        this.wakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Conversations:Service");
1333
1334        toggleForegroundService();
1335        updateUnreadCountBadge();
1336        toggleScreenEventReceiver();
1337        final IntentFilter systemBroadcastFilter = new IntentFilter();
1338        scheduleNextIdlePing();
1339        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1340            systemBroadcastFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
1341        }
1342        systemBroadcastFilter.addAction(NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED);
1343        ContextCompat.registerReceiver(
1344                this,
1345                this.mInternalEventReceiver,
1346                systemBroadcastFilter,
1347                ContextCompat.RECEIVER_NOT_EXPORTED);
1348        final IntentFilter exportedBroadcastFilter = new IntentFilter();
1349        exportedBroadcastFilter.addAction(TorServiceUtils.ACTION_STATUS);
1350        ContextCompat.registerReceiver(
1351                this,
1352                this.mInternalRestrictedEventReceiver,
1353                exportedBroadcastFilter,
1354                ContextCompat.RECEIVER_EXPORTED);
1355        mForceDuringOnCreate.set(false);
1356        toggleForegroundService();
1357        internalPingExecutor.scheduleAtFixedRate(this::manageAccountConnectionStatesInternal,10,10,TimeUnit.SECONDS);
1358        final SharedPreferences sharedPreferences =
1359                androidx.preference.PreferenceManager.getDefaultSharedPreferences(this);
1360        sharedPreferences.registerOnSharedPreferenceChangeListener(new SharedPreferences.OnSharedPreferenceChangeListener() {
1361            @Override
1362            public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, @Nullable String key) {
1363                Log.d(Config.LOGTAG,"preference '"+key+"' has changed");
1364                if (AppSettings.KEEP_FOREGROUND_SERVICE.equals(key)) {
1365                    toggleForegroundService();
1366                }
1367            }
1368        });
1369    }
1370
1371
1372    private void checkForDeletedFiles() {
1373        if (destroyed) {
1374            Log.d(Config.LOGTAG, "Do not check for deleted files because service has been destroyed");
1375            return;
1376        }
1377        final long start = SystemClock.elapsedRealtime();
1378        final List<DatabaseBackend.FilePathInfo> relativeFilePaths = databaseBackend.getFilePathInfo();
1379        final List<DatabaseBackend.FilePathInfo> changed = new ArrayList<>();
1380        for (final DatabaseBackend.FilePathInfo filePath : relativeFilePaths) {
1381            if (destroyed) {
1382                Log.d(Config.LOGTAG, "Stop checking for deleted files because service has been destroyed");
1383                return;
1384            }
1385            final File file = fileBackend.getFileForPath(filePath.path);
1386            if (filePath.setDeleted(!file.exists())) {
1387                changed.add(filePath);
1388            }
1389        }
1390        final long duration = SystemClock.elapsedRealtime() - start;
1391        Log.d(Config.LOGTAG, "found " + changed.size() + " changed files on start up. total=" + relativeFilePaths.size() + ". (" + duration + "ms)");
1392        if (changed.size() > 0) {
1393            databaseBackend.markFilesAsChanged(changed);
1394            markChangedFiles(changed);
1395        }
1396    }
1397
1398    public void startContactObserver() {
1399        getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, new ContentObserver(null) {
1400            @Override
1401            public void onChange(boolean selfChange) {
1402                super.onChange(selfChange);
1403                if (restoredFromDatabaseLatch.getCount() == 0) {
1404                    loadPhoneContacts();
1405                }
1406            }
1407        });
1408    }
1409
1410    @Override
1411    public void onTrimMemory(int level) {
1412        super.onTrimMemory(level);
1413        if (level >= TRIM_MEMORY_COMPLETE) {
1414            Log.d(Config.LOGTAG, "clear cache due to low memory");
1415            getBitmapCache().evictAll();
1416        }
1417    }
1418
1419    @Override
1420    public void onDestroy() {
1421        try {
1422            unregisterReceiver(this.mInternalEventReceiver);
1423            unregisterReceiver(this.mInternalRestrictedEventReceiver);
1424            unregisterReceiver(this.mInternalScreenEventReceiver);
1425        } catch (final IllegalArgumentException e) {
1426            //ignored
1427        }
1428        destroyed = false;
1429        fileObserver.stopWatching();
1430        internalPingExecutor.shutdown();
1431        super.onDestroy();
1432    }
1433
1434    public void restartFileObserver() {
1435        Log.d(Config.LOGTAG, "restarting file observer");
1436        FILE_OBSERVER_EXECUTOR.execute(this.fileObserver::restartWatching);
1437        FILE_OBSERVER_EXECUTOR.execute(this::checkForDeletedFiles);
1438    }
1439
1440    public void toggleScreenEventReceiver() {
1441        if (awayWhenScreenLocked() && !manuallyChangePresence()) {
1442            final IntentFilter filter = new IntentFilter();
1443            filter.addAction(Intent.ACTION_SCREEN_ON);
1444            filter.addAction(Intent.ACTION_SCREEN_OFF);
1445            filter.addAction(Intent.ACTION_USER_PRESENT);
1446            registerReceiver(this.mInternalScreenEventReceiver, filter);
1447        } else {
1448            try {
1449                unregisterReceiver(this.mInternalScreenEventReceiver);
1450            } catch (IllegalArgumentException e) {
1451                //ignored
1452            }
1453        }
1454    }
1455
1456    public void toggleForegroundService() {
1457        toggleForegroundService(false);
1458    }
1459
1460    public void setOngoingCall(AbstractJingleConnection.Id id, Set<Media> media, final boolean reconnecting) {
1461        ongoingCall.set(new OngoingCall(id, media, reconnecting));
1462        toggleForegroundService(false);
1463    }
1464
1465    public void removeOngoingCall() {
1466        ongoingCall.set(null);
1467        toggleForegroundService(false);
1468    }
1469
1470    private void toggleForegroundService(final boolean force) {
1471        final boolean status;
1472        final OngoingCall ongoing = ongoingCall.get();
1473        final boolean ongoingVideoTranscoding = mOngoingVideoTranscoding.get();
1474        final int id;
1475        if (force
1476                || mForceDuringOnCreate.get()
1477                || ongoingVideoTranscoding
1478                || ongoing != null
1479                || (Compatibility.keepForegroundService(this) && hasEnabledAccounts())) {
1480            final Notification notification;
1481            if (ongoing != null) {
1482                notification = this.mNotificationService.getOngoingCallNotification(ongoing);
1483                id = NotificationService.ONGOING_CALL_NOTIFICATION_ID;
1484                startForegroundOrCatch(id, notification, true);
1485            } else if (ongoingVideoTranscoding) {
1486                notification = this.mNotificationService.getIndeterminateVideoTranscoding();
1487                id = NotificationService.ONGOING_VIDEO_TRANSCODING_NOTIFICATION_ID;
1488                startForegroundOrCatch(id, notification, false);
1489            } else {
1490                notification = this.mNotificationService.createForegroundNotification();
1491                id = NotificationService.FOREGROUND_NOTIFICATION_ID;
1492                startForegroundOrCatch(id, notification, false);
1493            }
1494            mNotificationService.notify(id, notification);
1495            status = true;
1496        } else {
1497            id = 0;
1498            stopForeground(true);
1499            status = false;
1500        }
1501
1502        for (final int toBeRemoved :
1503                Collections2.filter(
1504                        Arrays.asList(
1505                                NotificationService.FOREGROUND_NOTIFICATION_ID,
1506                                NotificationService.ONGOING_CALL_NOTIFICATION_ID,
1507                                NotificationService.ONGOING_VIDEO_TRANSCODING_NOTIFICATION_ID),
1508                        i -> i != id)) {
1509            mNotificationService.cancel(toBeRemoved);
1510        }
1511        Log.d(
1512                Config.LOGTAG,
1513                "ForegroundService: " + (status ? "on" : "off") + ", notification: " + id);
1514    }
1515
1516    private void startForegroundOrCatch(
1517            final int id, final Notification notification, final boolean requireMicrophone) {
1518        try {
1519            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
1520                final int foregroundServiceType;
1521                if (requireMicrophone
1522                        && ContextCompat.checkSelfPermission(this, Manifest.permission.RECORD_AUDIO)
1523                                == PackageManager.PERMISSION_GRANTED) {
1524                    foregroundServiceType = ServiceInfo.FOREGROUND_SERVICE_TYPE_MICROPHONE;
1525                    Log.d(Config.LOGTAG, "defaulting to microphone foreground service type");
1526                } else if (getSystemService(PowerManager.class)
1527                        .isIgnoringBatteryOptimizations(getPackageName())) {
1528                    foregroundServiceType = ServiceInfo.FOREGROUND_SERVICE_TYPE_SYSTEM_EXEMPTED;
1529                } else if (ContextCompat.checkSelfPermission(this, Manifest.permission.RECORD_AUDIO)
1530                        == PackageManager.PERMISSION_GRANTED) {
1531                    foregroundServiceType = ServiceInfo.FOREGROUND_SERVICE_TYPE_MICROPHONE;
1532                } else if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA)
1533                        == PackageManager.PERMISSION_GRANTED) {
1534                    foregroundServiceType = ServiceInfo.FOREGROUND_SERVICE_TYPE_CAMERA;
1535                } else {
1536                    foregroundServiceType = ServiceInfo.FOREGROUND_SERVICE_TYPE_SPECIAL_USE;
1537                    Log.w(Config.LOGTAG, "falling back to special use foreground service type");
1538                }
1539                startForeground(id, notification, foregroundServiceType);
1540            } else {
1541                startForeground(id, notification);
1542            }
1543        } catch (final IllegalStateException | SecurityException e) {
1544            Log.e(Config.LOGTAG, "Could not start foreground service", e);
1545        }
1546    }
1547
1548    public boolean foregroundNotificationNeedsUpdatingWhenErrorStateChanges() {
1549        return !mOngoingVideoTranscoding.get() && ongoingCall.get() == null && Compatibility.keepForegroundService(this) && hasEnabledAccounts();
1550    }
1551
1552    @Override
1553    public void onTaskRemoved(final Intent rootIntent) {
1554        super.onTaskRemoved(rootIntent);
1555        if ((Compatibility.keepForegroundService(this) && hasEnabledAccounts()) || mOngoingVideoTranscoding.get() || ongoingCall.get() != null) {
1556            Log.d(Config.LOGTAG, "ignoring onTaskRemoved because foreground service is activated");
1557        } else {
1558            this.logoutAndSave(false);
1559        }
1560    }
1561
1562    private void logoutAndSave(boolean stop) {
1563        int activeAccounts = 0;
1564        for (final Account account : accounts) {
1565            if (account.isConnectionEnabled()) {
1566                databaseBackend.writeRoster(account.getRoster());
1567                activeAccounts++;
1568            }
1569            if (account.getXmppConnection() != null) {
1570                new Thread(() -> disconnect(account, false)).start();
1571            }
1572        }
1573        if (stop || activeAccounts == 0) {
1574            Log.d(Config.LOGTAG, "good bye");
1575            stopSelf();
1576        }
1577    }
1578
1579    private void schedulePostConnectivityChange() {
1580        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1581        if (alarmManager == null) {
1582            return;
1583        }
1584        final long triggerAtMillis = SystemClock.elapsedRealtime() + (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL * 1000);
1585        final Intent intent = new Intent(this, EventReceiver.class);
1586        intent.setAction(ACTION_POST_CONNECTIVITY_CHANGE);
1587        try {
1588            final PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 1, intent, s()
1589                    ? PendingIntent.FLAG_IMMUTABLE | PendingIntent.FLAG_UPDATE_CURRENT
1590                    : PendingIntent.FLAG_UPDATE_CURRENT);
1591            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1592                alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1593            } else {
1594                alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1595            }
1596        } catch (RuntimeException e) {
1597            Log.e(Config.LOGTAG, "unable to schedule alarm for post connectivity change", e);
1598        }
1599    }
1600
1601    public void scheduleWakeUpCall(final int seconds, final int requestCode) {
1602        final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000L;
1603        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1604        if (alarmManager == null) {
1605            return;
1606        }
1607        final Intent intent = new Intent(this, EventReceiver.class);
1608        intent.setAction(ACTION_PING);
1609        try {
1610            final PendingIntent pendingIntent =
1611                    PendingIntent.getBroadcast(
1612                            this, requestCode, intent, PendingIntent.FLAG_IMMUTABLE);
1613            alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1614        } catch (RuntimeException e) {
1615            Log.e(Config.LOGTAG, "unable to schedule alarm for ping", e);
1616        }
1617    }
1618
1619    @TargetApi(Build.VERSION_CODES.M)
1620    private void scheduleNextIdlePing() {
1621        final long timeToWake = SystemClock.elapsedRealtime() + (Config.IDLE_PING_INTERVAL * 1000);
1622        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1623        if (alarmManager == null) {
1624            return;
1625        }
1626        final Intent intent = new Intent(this, EventReceiver.class);
1627        intent.setAction(ACTION_IDLE_PING);
1628        try {
1629            final PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, s()
1630                    ? PendingIntent.FLAG_IMMUTABLE | PendingIntent.FLAG_UPDATE_CURRENT
1631                    : PendingIntent.FLAG_UPDATE_CURRENT);
1632            alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1633        } catch (RuntimeException e) {
1634            Log.d(Config.LOGTAG, "unable to schedule alarm for idle ping", e);
1635        }
1636    }
1637
1638    public XmppConnection createConnection(final Account account) {
1639        final XmppConnection connection = new XmppConnection(account, this);
1640        connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1641        connection.setOnStatusChangedListener(this.statusListener);
1642        connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1643        connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1644        connection.setOnJinglePacketReceivedListener((mJingleConnectionManager::deliverPacket));
1645        connection.setOnBindListener(this.mOnBindListener);
1646        connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1647        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1648        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1649        AxolotlService axolotlService = account.getAxolotlService();
1650        if (axolotlService != null) {
1651            connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1652        }
1653        return connection;
1654    }
1655
1656    public void sendChatState(Conversation conversation) {
1657        if (sendChatStates()) {
1658            MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1659            sendMessagePacket(conversation.getAccount(), packet);
1660        }
1661    }
1662
1663    private void sendFileMessage(final Message message, final boolean delay) {
1664        Log.d(Config.LOGTAG, "send file message");
1665        final Account account = message.getConversation().getAccount();
1666        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1667                || message.getConversation().getMode() == Conversation.MODE_MULTI) {
1668            mHttpConnectionManager.createNewUploadConnection(message, delay);
1669        } else {
1670            mJingleConnectionManager.startJingleFileTransfer(message);
1671        }
1672    }
1673
1674    public void sendMessage(final Message message) {
1675        sendMessage(message, false, false);
1676    }
1677
1678    private void sendMessage(final Message message, final boolean resend, final boolean delay) {
1679        final Account account = message.getConversation().getAccount();
1680        if (account.setShowErrorNotification(true)) {
1681            databaseBackend.updateAccount(account);
1682            mNotificationService.updateErrorNotification();
1683        }
1684        final Conversation conversation = (Conversation) message.getConversation();
1685        account.deactivateGracePeriod();
1686
1687
1688        if (QuickConversationsService.isQuicksy() && conversation.getMode() == Conversation.MODE_SINGLE) {
1689            final Contact contact = conversation.getContact();
1690            if (!contact.showInRoster() && contact.getOption(Contact.Options.SYNCED_VIA_OTHER)) {
1691                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": adding " + contact.getJid() + " on sending message");
1692                createContact(contact, true);
1693            }
1694        }
1695
1696        MessagePacket packet = null;
1697        final boolean addToConversation = !message.edited();
1698        boolean saveInDb = addToConversation;
1699        message.setStatus(Message.STATUS_WAITING);
1700
1701        if (message.getEncryption() != Message.ENCRYPTION_NONE && conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous()) {
1702            if (conversation.setAttribute(Conversation.ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS, true)) {
1703                databaseBackend.updateConversation(conversation);
1704            }
1705        }
1706
1707        final boolean inProgressJoin = isJoinInProgress(conversation);
1708
1709
1710        if (account.isOnlineAndConnected() && !inProgressJoin) {
1711            switch (message.getEncryption()) {
1712                case Message.ENCRYPTION_NONE:
1713                    if (message.needsUploading()) {
1714                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1715                                || conversation.getMode() == Conversation.MODE_MULTI
1716                                || message.fixCounterpart()) {
1717                            this.sendFileMessage(message, delay);
1718                        } else {
1719                            break;
1720                        }
1721                    } else {
1722                        packet = mMessageGenerator.generateChat(message);
1723                    }
1724                    break;
1725                case Message.ENCRYPTION_PGP:
1726                case Message.ENCRYPTION_DECRYPTED:
1727                    if (message.needsUploading()) {
1728                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1729                                || conversation.getMode() == Conversation.MODE_MULTI
1730                                || message.fixCounterpart()) {
1731                            this.sendFileMessage(message, delay);
1732                        } else {
1733                            break;
1734                        }
1735                    } else {
1736                        packet = mMessageGenerator.generatePgpChat(message);
1737                    }
1738                    break;
1739                case Message.ENCRYPTION_AXOLOTL:
1740                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1741                    if (message.needsUploading()) {
1742                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1743                                || conversation.getMode() == Conversation.MODE_MULTI
1744                                || message.fixCounterpart()) {
1745                            this.sendFileMessage(message, delay);
1746                        } else {
1747                            break;
1748                        }
1749                    } else {
1750                        XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1751                        if (axolotlMessage == null) {
1752                            account.getAxolotlService().preparePayloadMessage(message, delay);
1753                        } else {
1754                            packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1755                        }
1756                    }
1757                    break;
1758
1759            }
1760            if (packet != null) {
1761                if (account.getXmppConnection().getFeatures().sm()
1762                        || (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1763                    message.setStatus(Message.STATUS_UNSEND);
1764                } else {
1765                    message.setStatus(Message.STATUS_SEND);
1766                }
1767            }
1768        } else {
1769            switch (message.getEncryption()) {
1770                case Message.ENCRYPTION_DECRYPTED:
1771                    if (!message.needsUploading()) {
1772                        String pgpBody = message.getEncryptedBody();
1773                        String decryptedBody = message.getBody();
1774                        message.setBody(pgpBody); //TODO might throw NPE
1775                        message.setEncryption(Message.ENCRYPTION_PGP);
1776                        if (message.edited()) {
1777                            message.setBody(decryptedBody);
1778                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1779                            if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1780                                Log.e(Config.LOGTAG, "error updated message in DB after edit");
1781                            }
1782                            updateConversationUi();
1783                            return;
1784                        } else {
1785                            databaseBackend.createMessage(message);
1786                            saveInDb = false;
1787                            message.setBody(decryptedBody);
1788                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1789                        }
1790                    }
1791                    break;
1792                case Message.ENCRYPTION_AXOLOTL:
1793                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1794                    break;
1795            }
1796        }
1797
1798
1799        boolean mucMessage = conversation.getMode() == Conversation.MODE_MULTI && !message.isPrivateMessage();
1800        if (mucMessage) {
1801            message.setCounterpart(conversation.getMucOptions().getSelf().getFullJid());
1802        }
1803
1804        if (resend) {
1805            if (packet != null && addToConversation) {
1806                if (account.getXmppConnection().getFeatures().sm() || mucMessage) {
1807                    markMessage(message, Message.STATUS_UNSEND);
1808                } else {
1809                    markMessage(message, Message.STATUS_SEND);
1810                }
1811            }
1812        } else {
1813            if (addToConversation) {
1814                conversation.add(message);
1815            }
1816            if (saveInDb) {
1817                databaseBackend.createMessage(message);
1818            } else if (message.edited()) {
1819                if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1820                    Log.e(Config.LOGTAG, "error updated message in DB after edit");
1821                }
1822            }
1823            updateConversationUi();
1824        }
1825        if (packet != null) {
1826            if (delay) {
1827                mMessageGenerator.addDelay(packet, message.getTimeSent());
1828            }
1829            if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
1830                if (this.sendChatStates()) {
1831                    packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1832                }
1833            }
1834            sendMessagePacket(account, packet);
1835        }
1836    }
1837
1838    private boolean isJoinInProgress(final Conversation conversation) {
1839        final Account account = conversation.getAccount();
1840        synchronized (account.inProgressConferenceJoins) {
1841            if (conversation.getMode() == Conversational.MODE_MULTI) {
1842                final boolean inProgress = account.inProgressConferenceJoins.contains(conversation);
1843                final boolean pending = account.pendingConferenceJoins.contains(conversation);
1844                final boolean inProgressJoin = inProgress || pending;
1845                if (inProgressJoin) {
1846                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": holding back message to group. inProgress=" + inProgress + ", pending=" + pending);
1847                }
1848                return inProgressJoin;
1849            } else {
1850                return false;
1851            }
1852        }
1853    }
1854
1855    private void sendUnsentMessages(final Conversation conversation) {
1856        conversation.findWaitingMessages(message -> resendMessage(message, true));
1857    }
1858
1859    public void resendMessage(final Message message, final boolean delay) {
1860        sendMessage(message, true, delay);
1861    }
1862
1863    public void requestEasyOnboardingInvite(final Account account, final EasyOnboardingInvite.OnInviteRequested callback) {
1864        final XmppConnection connection = account.getXmppConnection();
1865        final Jid jid = connection == null ? null : connection.getJidForCommand(Namespace.EASY_ONBOARDING_INVITE);
1866        if (jid == null) {
1867            callback.inviteRequestFailed(getString(R.string.server_does_not_support_easy_onboarding_invites));
1868            return;
1869        }
1870        final IqPacket request = new IqPacket(IqPacket.TYPE.SET);
1871        request.setTo(jid);
1872        final Element command = request.addChild("command", Namespace.COMMANDS);
1873        command.setAttribute("node", Namespace.EASY_ONBOARDING_INVITE);
1874        command.setAttribute("action", "execute");
1875        sendIqPacket(account, request, (a, response) -> {
1876            if (response.getType() == IqPacket.TYPE.RESULT) {
1877                final Element resultCommand = response.findChild("command", Namespace.COMMANDS);
1878                final Element x = resultCommand == null ? null : resultCommand.findChild("x", Namespace.DATA);
1879                if (x != null) {
1880                    final Data data = Data.parse(x);
1881                    final String uri = data.getValue("uri");
1882                    final String landingUrl = data.getValue("landing-url");
1883                    if (uri != null) {
1884                        final EasyOnboardingInvite invite = new EasyOnboardingInvite(jid.getDomain().toEscapedString(), uri, landingUrl);
1885                        callback.inviteRequested(invite);
1886                        return;
1887                    }
1888                }
1889                callback.inviteRequestFailed(getString(R.string.unable_to_parse_invite));
1890                Log.d(Config.LOGTAG, response.toString());
1891            } else if (response.getType() == IqPacket.TYPE.ERROR) {
1892                callback.inviteRequestFailed(IqParser.errorMessage(response));
1893            } else {
1894                callback.inviteRequestFailed(getString(R.string.remote_server_timeout));
1895            }
1896        });
1897
1898    }
1899
1900    public void fetchRosterFromServer(final Account account) {
1901        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1902        if (!"".equals(account.getRosterVersion())) {
1903            Log.d(Config.LOGTAG, account.getJid().asBareJid()
1904                    + ": fetching roster version " + account.getRosterVersion());
1905        } else {
1906            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching roster");
1907        }
1908        iqPacket.query(Namespace.ROSTER).setAttribute("ver", account.getRosterVersion());
1909        sendIqPacket(account, iqPacket, mIqParser);
1910    }
1911
1912    public void fetchBookmarks(final Account account) {
1913        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1914        final Element query = iqPacket.query("jabber:iq:private");
1915        query.addChild("storage", Namespace.BOOKMARKS);
1916        final OnIqPacketReceived callback = (a, response) -> {
1917            if (response.getType() == IqPacket.TYPE.RESULT) {
1918                final Element query1 = response.query();
1919                final Element storage = query1.findChild("storage", "storage:bookmarks");
1920                Map<Jid, Bookmark> bookmarks = Bookmark.parseFromStorage(storage, account);
1921                processBookmarksInitial(a, bookmarks, false);
1922            } else {
1923                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": could not fetch bookmarks");
1924            }
1925        };
1926        sendIqPacket(account, iqPacket, callback);
1927    }
1928
1929    public void fetchBookmarks2(final Account account) {
1930        final IqPacket retrieve = mIqGenerator.retrieveBookmarks();
1931        sendIqPacket(account, retrieve, (a, response) -> {
1932            if (response.getType() == IqPacket.TYPE.RESULT) {
1933                final Element pubsub = response.findChild("pubsub", Namespace.PUBSUB);
1934                final Map<Jid, Bookmark> bookmarks = Bookmark.parseFromPubsub(pubsub, a);
1935                processBookmarksInitial(a, bookmarks, true);
1936            }
1937        });
1938    }
1939
1940    private void fetchMessageDisplayedSynchronization(final Account account) {
1941        Log.d(Config.LOGTAG, account.getJid() + ": retrieve mds");
1942        final var retrieve = mIqGenerator.retrieveMds();
1943        sendIqPacket(
1944                account,
1945                retrieve,
1946                (a, response) -> {
1947                    if (response.getType() != IqPacket.TYPE.RESULT) {
1948                        return;
1949                    }
1950                    final var pubSub = response.findChild("pubsub", Namespace.PUBSUB);
1951                    final Element items = pubSub == null ? null : pubSub.findChild("items");
1952                    if (items == null
1953                            || !Namespace.MDS_DISPLAYED.equals(items.getAttribute("node"))) {
1954                        return;
1955                    }
1956                    for (final Element child : items.getChildren()) {
1957                        if ("item".equals(child.getName())) {
1958                            processMdsItem(account, child);
1959                        }
1960                    }
1961                });
1962    }
1963
1964    public void processMdsItem(final Account account, final Element item) {
1965        final Jid jid =
1966                item == null ? null : InvalidJid.getNullForInvalid(item.getAttributeAsJid("id"));
1967        if (jid == null) {
1968            return;
1969        }
1970        final Element displayed = item.findChild("displayed", Namespace.MDS_DISPLAYED);
1971        final Element stanzaId =
1972                displayed == null ? null : displayed.findChild("stanza-id", Namespace.STANZA_IDS);
1973        final String id = stanzaId == null ? null : stanzaId.getAttribute("id");
1974        final Conversation conversation = find(account, jid);
1975        if (id != null && conversation != null) {
1976            conversation.setDisplayState(id);
1977            markReadUpToStanzaId(conversation, id);
1978        }
1979    }
1980
1981    public void markReadUpToStanzaId(final Conversation conversation, final String stanzaId) {
1982        final Message message = conversation.findMessageWithServerMsgId(stanzaId);
1983        if (message == null) { // do we want to check if isRead?
1984            return;
1985        }
1986        markReadUpTo(conversation, message);
1987    }
1988
1989    public void markReadUpTo(final Conversation conversation, final Message message) {
1990        final boolean isDismissNotification = isDismissNotification(message);
1991        final var uuid = message.getUuid();
1992        Log.d(
1993                Config.LOGTAG,
1994                conversation.getAccount().getJid().asBareJid()
1995                        + ": mark "
1996                        + conversation.getJid().asBareJid()
1997                        + " as read up to "
1998                        + uuid);
1999        markRead(conversation, uuid, isDismissNotification);
2000    }
2001
2002    private static boolean isDismissNotification(final Message message) {
2003        Message next = message.next();
2004        while (next != null) {
2005            if (message.getStatus() == Message.STATUS_RECEIVED) {
2006                return false;
2007            }
2008            next = next.next();
2009        }
2010        return true;
2011    }
2012
2013    public void processBookmarksInitial(final Account account, final Map<Jid, Bookmark> bookmarks, final boolean pep) {
2014        final Set<Jid> previousBookmarks = account.getBookmarkedJids();
2015        for (final Bookmark bookmark : bookmarks.values()) {
2016            previousBookmarks.remove(bookmark.getJid().asBareJid());
2017            processModifiedBookmark(bookmark, pep);
2018        }
2019        if (pep) {
2020            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": " + previousBookmarks.size() + " bookmarks have been removed");
2021            for (Jid jid : previousBookmarks) {
2022                processDeletedBookmark(account, jid);
2023            }
2024        }
2025        account.setBookmarks(bookmarks);
2026    }
2027
2028    public void processDeletedBookmark(Account account, Jid jid) {
2029        final Conversation conversation = find(account, jid);
2030        if (conversation != null && conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
2031            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving destroyed conference (" + conversation.getJid() + ") after receiving pep");
2032            archiveConversation(conversation, false);
2033        }
2034    }
2035
2036    private void processModifiedBookmark(final Bookmark bookmark, final boolean pep) {
2037        final Account account = bookmark.getAccount();
2038        Conversation conversation = find(bookmark);
2039        if (conversation != null) {
2040            if (conversation.getMode() != Conversation.MODE_MULTI) {
2041                return;
2042            }
2043            bookmark.setConversation(conversation);
2044            if (pep && !bookmark.autojoin()) {
2045                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conference (" + conversation.getJid() + ") after receiving pep");
2046                archiveConversation(conversation, false);
2047            } else {
2048                final MucOptions mucOptions = conversation.getMucOptions();
2049                if (mucOptions.getError() == MucOptions.Error.NICK_IN_USE) {
2050                    final String current = mucOptions.getActualNick();
2051                    final String proposed = mucOptions.getProposedNick();
2052                    if (current != null && !current.equals(proposed)) {
2053                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": proposed nick changed after bookmark push " + current + "->" + proposed);
2054                        joinMuc(conversation);
2055                    }
2056                }
2057            }
2058        } else if (bookmark.autojoin()) {
2059            conversation = findOrCreateConversation(account, bookmark.getFullJid(), true, true, false);
2060            bookmark.setConversation(conversation);
2061        }
2062    }
2063
2064    public void processModifiedBookmark(final Bookmark bookmark) {
2065        processModifiedBookmark(bookmark, true);
2066    }
2067
2068    public void createBookmark(final Account account, final Bookmark bookmark) {
2069        account.putBookmark(bookmark);
2070        final XmppConnection connection = account.getXmppConnection();
2071        if (connection == null) {
2072            Log.d(Config.LOGTAG, account.getJid().asBareJid()+": no connection. ignoring bookmark creation");
2073        } else if (connection.getFeatures().bookmarks2()) {
2074            Log.d(Config.LOGTAG,account.getJid().asBareJid() + ": pushing bookmark via Bookmarks 2");
2075            final Element item = mIqGenerator.publishBookmarkItem(bookmark);
2076            pushNodeAndEnforcePublishOptions(account, Namespace.BOOKMARKS2, item, bookmark.getJid().asBareJid().toEscapedString(), PublishOptions.persistentWhitelistAccessMaxItems());
2077        } else if (connection.getFeatures().bookmarksConversion()) {
2078            pushBookmarksPep(account);
2079        } else {
2080            pushBookmarksPrivateXml(account);
2081        }
2082    }
2083
2084    public void deleteBookmark(final Account account, final Bookmark bookmark) {
2085        account.removeBookmark(bookmark);
2086        final XmppConnection connection = account.getXmppConnection();
2087        if (connection.getFeatures().bookmarks2()) {
2088            final IqPacket request = mIqGenerator.deleteItem(Namespace.BOOKMARKS2, bookmark.getJid().asBareJid().toEscapedString());
2089            Log.d(Config.LOGTAG,account.getJid().asBareJid() + ": removing bookmark via Bookmarks 2");
2090            sendIqPacket(account, request, (a, response) -> {
2091                if (response.getType() == IqPacket.TYPE.ERROR) {
2092                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": unable to delete bookmark " + response.getErrorCondition());
2093                }
2094            });
2095        } else if (connection.getFeatures().bookmarksConversion()) {
2096            pushBookmarksPep(account);
2097        } else {
2098            pushBookmarksPrivateXml(account);
2099        }
2100    }
2101
2102    private void pushBookmarksPrivateXml(Account account) {
2103        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via private xml");
2104        IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
2105        Element query = iqPacket.query("jabber:iq:private");
2106        Element storage = query.addChild("storage", "storage:bookmarks");
2107        for (final Bookmark bookmark : account.getBookmarks()) {
2108            storage.addChild(bookmark);
2109        }
2110        sendIqPacket(account, iqPacket, mDefaultIqHandler);
2111    }
2112
2113    private void pushBookmarksPep(Account account) {
2114        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via pep");
2115        final Element storage = new Element("storage", "storage:bookmarks");
2116        for (final Bookmark bookmark : account.getBookmarks()) {
2117            storage.addChild(bookmark);
2118        }
2119        pushNodeAndEnforcePublishOptions(account, Namespace.BOOKMARKS, storage, "current", PublishOptions.persistentWhitelistAccess());
2120
2121    }
2122
2123    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options) {
2124        pushNodeAndEnforcePublishOptions(account, node, element, id, options, true);
2125
2126    }
2127
2128    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options, final boolean retry) {
2129        final IqPacket packet = mIqGenerator.publishElement(node, element, id, options);
2130        sendIqPacket(account, packet, (a, response) -> {
2131            if (response.getType() == IqPacket.TYPE.RESULT) {
2132                return;
2133            }
2134            if (retry && PublishOptions.preconditionNotMet(response)) {
2135                pushNodeConfiguration(account, node, options, new OnConfigurationPushed() {
2136                    @Override
2137                    public void onPushSucceeded() {
2138                        pushNodeAndEnforcePublishOptions(account, node, element, id, options, false);
2139                    }
2140
2141                    @Override
2142                    public void onPushFailed() {
2143                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to push node configuration (" + node + ")");
2144                    }
2145                });
2146            } else {
2147                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error publishing "+node+" (retry=" + retry + ") " + response);
2148            }
2149        });
2150    }
2151
2152    private void restoreFromDatabase() {
2153        synchronized (this.conversations) {
2154            final Map<String, Account> accountLookupTable = new Hashtable<>();
2155            for (Account account : this.accounts) {
2156                accountLookupTable.put(account.getUuid(), account);
2157            }
2158            Log.d(Config.LOGTAG, "restoring conversations...");
2159            final long startTimeConversationsRestore = SystemClock.elapsedRealtime();
2160            this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
2161            for (Iterator<Conversation> iterator = conversations.listIterator(); iterator.hasNext(); ) {
2162                Conversation conversation = iterator.next();
2163                Account account = accountLookupTable.get(conversation.getAccountUuid());
2164                if (account != null) {
2165                    conversation.setAccount(account);
2166                } else {
2167                    Log.e(Config.LOGTAG, "unable to restore Conversations with " + conversation.getJid());
2168                    iterator.remove();
2169                }
2170            }
2171            long diffConversationsRestore = SystemClock.elapsedRealtime() - startTimeConversationsRestore;
2172            Log.d(Config.LOGTAG, "finished restoring conversations in " + diffConversationsRestore + "ms");
2173            Runnable runnable = () -> {
2174                if (DatabaseBackend.requiresMessageIndexRebuild()) {
2175                    DatabaseBackend.getInstance(this).rebuildMessagesIndex();
2176                }
2177                final long deletionDate = getAutomaticMessageDeletionDate();
2178                mLastExpiryRun.set(SystemClock.elapsedRealtime());
2179                if (deletionDate > 0) {
2180                    Log.d(Config.LOGTAG, "deleting messages that are older than " + AbstractGenerator.getTimestamp(deletionDate));
2181                    databaseBackend.expireOldMessages(deletionDate);
2182                }
2183                Log.d(Config.LOGTAG, "restoring roster...");
2184                for (final Account account : accounts) {
2185                    databaseBackend.readRoster(account.getRoster());
2186                    account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
2187                }
2188                getBitmapCache().evictAll();
2189                loadPhoneContacts();
2190                Log.d(Config.LOGTAG, "restoring messages...");
2191                final long startMessageRestore = SystemClock.elapsedRealtime();
2192                final Conversation quickLoad = QuickLoader.get(this.conversations);
2193                if (quickLoad != null) {
2194                    restoreMessages(quickLoad);
2195                    updateConversationUi();
2196                    final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
2197                    Log.d(Config.LOGTAG, "quickly restored " + quickLoad.getName() + " after " + diffMessageRestore + "ms");
2198                }
2199                for (Conversation conversation : this.conversations) {
2200                    if (quickLoad != conversation) {
2201                        restoreMessages(conversation);
2202                    }
2203                }
2204                mNotificationService.finishBacklog();
2205                restoredFromDatabaseLatch.countDown();
2206                final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
2207                Log.d(Config.LOGTAG, "finished restoring messages in " + diffMessageRestore + "ms");
2208                updateConversationUi();
2209            };
2210            mDatabaseReaderExecutor.execute(runnable); //will contain one write command (expiry) but that's fine
2211        }
2212    }
2213
2214    private void restoreMessages(Conversation conversation) {
2215        conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
2216        conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
2217        conversation.findUnreadMessagesAndCalls(mNotificationService::pushFromBacklog);
2218    }
2219
2220    public void loadPhoneContacts() {
2221        mContactMergerExecutor.execute(() -> {
2222            final Map<Jid, JabberIdContact> contacts = JabberIdContact.load(this);
2223            Log.d(Config.LOGTAG, "start merging phone contacts with roster");
2224            for (final Account account : accounts) {
2225                final List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts(JabberIdContact.class);
2226                for (final JabberIdContact jidContact : contacts.values()) {
2227                    final Contact contact = account.getRoster().getContact(jidContact.getJid());
2228                    boolean needsCacheClean = contact.setPhoneContact(jidContact);
2229                    if (needsCacheClean) {
2230                        getAvatarService().clear(contact);
2231                    }
2232                    withSystemAccounts.remove(contact);
2233                }
2234                for (final Contact contact : withSystemAccounts) {
2235                    boolean needsCacheClean = contact.unsetPhoneContact(JabberIdContact.class);
2236                    if (needsCacheClean) {
2237                        getAvatarService().clear(contact);
2238                    }
2239                }
2240            }
2241            Log.d(Config.LOGTAG, "finished merging phone contacts");
2242            mShortcutService.refresh(mInitialAddressbookSyncCompleted.compareAndSet(false, true));
2243            updateRosterUi();
2244            mQuickConversationsService.considerSync();
2245        });
2246    }
2247
2248
2249    public void syncRoster(final Account account) {
2250        mRosterSyncTaskManager.execute(account, () -> databaseBackend.writeRoster(account.getRoster()));
2251    }
2252
2253    public List<Conversation> getConversations() {
2254        return this.conversations;
2255    }
2256
2257    private void markFileDeleted(final File file) {
2258        synchronized (FILENAMES_TO_IGNORE_DELETION) {
2259            if (FILENAMES_TO_IGNORE_DELETION.remove(file.getAbsolutePath())) {
2260                Log.d(Config.LOGTAG, "ignored deletion of " + file.getAbsolutePath());
2261                return;
2262            }
2263        }
2264        final boolean isInternalFile = fileBackend.isInternalFile(file);
2265        final List<String> uuids = databaseBackend.markFileAsDeleted(file, isInternalFile);
2266        Log.d(Config.LOGTAG, "deleted file " + file.getAbsolutePath() + " internal=" + isInternalFile + ", database hits=" + uuids.size());
2267        markUuidsAsDeletedFiles(uuids);
2268    }
2269
2270    private void markUuidsAsDeletedFiles(List<String> uuids) {
2271        boolean deleted = false;
2272        for (Conversation conversation : getConversations()) {
2273            deleted |= conversation.markAsDeleted(uuids);
2274        }
2275        for (final String uuid : uuids) {
2276            evictPreview(uuid);
2277        }
2278        if (deleted) {
2279            updateConversationUi();
2280        }
2281    }
2282
2283    private void markChangedFiles(List<DatabaseBackend.FilePathInfo> infos) {
2284        boolean changed = false;
2285        for (Conversation conversation : getConversations()) {
2286            changed |= conversation.markAsChanged(infos);
2287        }
2288        if (changed) {
2289            updateConversationUi();
2290        }
2291    }
2292
2293    public void populateWithOrderedConversations(final List<Conversation> list) {
2294        populateWithOrderedConversations(list, true, true);
2295    }
2296
2297    public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload) {
2298        populateWithOrderedConversations(list, includeNoFileUpload, true);
2299    }
2300
2301    public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload, final boolean sort) {
2302        final List<String> orderedUuids;
2303        if (sort) {
2304            orderedUuids = null;
2305        } else {
2306            orderedUuids = new ArrayList<>();
2307            for (Conversation conversation : list) {
2308                orderedUuids.add(conversation.getUuid());
2309            }
2310        }
2311        list.clear();
2312        if (includeNoFileUpload) {
2313            list.addAll(getConversations());
2314        } else {
2315            for (Conversation conversation : getConversations()) {
2316                if (conversation.getMode() == Conversation.MODE_SINGLE
2317                        || (conversation.getAccount().httpUploadAvailable() && conversation.getMucOptions().participating())) {
2318                    list.add(conversation);
2319                }
2320            }
2321        }
2322        try {
2323            if (orderedUuids != null) {
2324                Collections.sort(list, (a, b) -> {
2325                    final int indexA = orderedUuids.indexOf(a.getUuid());
2326                    final int indexB = orderedUuids.indexOf(b.getUuid());
2327                    if (indexA == -1 || indexB == -1 || indexA == indexB) {
2328                        return a.compareTo(b);
2329                    }
2330                    return indexA - indexB;
2331                });
2332            } else {
2333                Collections.sort(list);
2334            }
2335        } catch (IllegalArgumentException e) {
2336            //ignore
2337        }
2338    }
2339
2340    public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
2341        if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
2342            return;
2343        } else if (timestamp == 0) {
2344            return;
2345        }
2346        Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
2347        final Runnable runnable = () -> {
2348            final Account account = conversation.getAccount();
2349            List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
2350            if (messages.size() > 0) {
2351                conversation.addAll(0, messages);
2352                callback.onMoreMessagesLoaded(messages.size(), conversation);
2353            } else if (conversation.hasMessagesLeftOnServer()
2354                    && account.isOnlineAndConnected()
2355                    && conversation.getLastClearHistory().getTimestamp() == 0) {
2356                final boolean mamAvailable;
2357                if (conversation.getMode() == Conversation.MODE_SINGLE) {
2358                    mamAvailable = account.getXmppConnection().getFeatures().mam() && !conversation.getContact().isBlocked();
2359                } else {
2360                    mamAvailable = conversation.getMucOptions().mamSupport();
2361                }
2362                if (mamAvailable) {
2363                    MessageArchiveService.Query query = getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
2364                    if (query != null) {
2365                        query.setCallback(callback);
2366                        callback.informUser(R.string.fetching_history_from_server);
2367                    } else {
2368                        callback.informUser(R.string.not_fetching_history_retention_period);
2369                    }
2370
2371                }
2372            }
2373        };
2374        mDatabaseReaderExecutor.execute(runnable);
2375    }
2376
2377    public List<Account> getAccounts() {
2378        return this.accounts;
2379    }
2380
2381
2382    /**
2383     * 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)
2384     */
2385    public List<Conversation> findAllConferencesWith(Contact contact) {
2386        final ArrayList<Conversation> results = new ArrayList<>();
2387        for (final Conversation c : conversations) {
2388            if (c.getMode() != Conversation.MODE_MULTI) {
2389                continue;
2390            }
2391            final MucOptions mucOptions = c.getMucOptions();
2392            if (c.getJid().asBareJid().equals(contact.getJid().asBareJid()) || (mucOptions != null && mucOptions.isContactInRoom(contact))) {
2393                results.add(c);
2394            }
2395        }
2396        return results;
2397    }
2398
2399    public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
2400        for (final Conversation conversation : haystack) {
2401            if (conversation.getContact() == contact) {
2402                return conversation;
2403            }
2404        }
2405        return null;
2406    }
2407
2408    public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
2409        if (jid == null) {
2410            return null;
2411        }
2412        for (final Conversation conversation : haystack) {
2413            if ((account == null || conversation.getAccount() == account)
2414                    && (conversation.getJid().asBareJid().equals(jid.asBareJid()))) {
2415                return conversation;
2416            }
2417        }
2418        return null;
2419    }
2420
2421    public boolean isConversationsListEmpty(final Conversation ignore) {
2422        synchronized (this.conversations) {
2423            final int size = this.conversations.size();
2424            return size == 0 || size == 1 && this.conversations.get(0) == ignore;
2425        }
2426    }
2427
2428    public boolean isConversationStillOpen(final Conversation conversation) {
2429        synchronized (this.conversations) {
2430            for (Conversation current : this.conversations) {
2431                if (current == conversation) {
2432                    return true;
2433                }
2434            }
2435        }
2436        return false;
2437    }
2438
2439    public Conversation findOrCreateConversation(Account account, Jid jid, boolean muc, final boolean async) {
2440        return this.findOrCreateConversation(account, jid, muc, false, async);
2441    }
2442
2443    public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final boolean async) {
2444        return this.findOrCreateConversation(account, jid, muc, joinAfterCreate, null, async);
2445    }
2446
2447    public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final MessageArchiveService.Query query, final boolean async) {
2448        synchronized (this.conversations) {
2449            Conversation conversation = find(account, jid);
2450            if (conversation != null) {
2451                return conversation;
2452            }
2453            conversation = databaseBackend.findConversation(account, jid);
2454            final boolean loadMessagesFromDb;
2455            if (conversation != null) {
2456                conversation.setStatus(Conversation.STATUS_AVAILABLE);
2457                conversation.setAccount(account);
2458                if (muc) {
2459                    conversation.setMode(Conversation.MODE_MULTI);
2460                    conversation.setContactJid(jid);
2461                } else {
2462                    conversation.setMode(Conversation.MODE_SINGLE);
2463                    conversation.setContactJid(jid.asBareJid());
2464                }
2465                databaseBackend.updateConversation(conversation);
2466                loadMessagesFromDb = conversation.messagesLoaded.compareAndSet(true, false);
2467            } else {
2468                String conversationName;
2469                Contact contact = account.getRoster().getContact(jid);
2470                if (contact != null) {
2471                    conversationName = contact.getDisplayName();
2472                } else {
2473                    conversationName = jid.getLocal();
2474                }
2475                if (muc) {
2476                    conversation = new Conversation(conversationName, account, jid,
2477                            Conversation.MODE_MULTI);
2478                } else {
2479                    conversation = new Conversation(conversationName, account, jid.asBareJid(),
2480                            Conversation.MODE_SINGLE);
2481                }
2482                this.databaseBackend.createConversation(conversation);
2483                loadMessagesFromDb = false;
2484            }
2485            final Conversation c = conversation;
2486            final Runnable runnable = () -> {
2487                if (loadMessagesFromDb) {
2488                    c.addAll(0, databaseBackend.getMessages(c, Config.PAGE_SIZE));
2489                    updateConversationUi();
2490                    c.messagesLoaded.set(true);
2491                }
2492                if (account.getXmppConnection() != null
2493                        && !c.getContact().isBlocked()
2494                        && account.getXmppConnection().getFeatures().mam()
2495                        && !muc) {
2496                    if (query == null) {
2497                        mMessageArchiveService.query(c);
2498                    } else {
2499                        if (query.getConversation() == null) {
2500                            mMessageArchiveService.query(c, query.getStart(), query.isCatchup());
2501                        }
2502                    }
2503                }
2504                if (joinAfterCreate) {
2505                    joinMuc(c);
2506                }
2507            };
2508            if (async) {
2509                mDatabaseReaderExecutor.execute(runnable);
2510            } else {
2511                runnable.run();
2512            }
2513            this.conversations.add(conversation);
2514            updateConversationUi();
2515            return conversation;
2516        }
2517    }
2518
2519    public void archiveConversation(Conversation conversation) {
2520        archiveConversation(conversation, true);
2521    }
2522
2523    private void archiveConversation(Conversation conversation, final boolean maySynchronizeWithBookmarks) {
2524        getNotificationService().clear(conversation);
2525        conversation.setStatus(Conversation.STATUS_ARCHIVED);
2526        conversation.setNextMessage(null);
2527        synchronized (this.conversations) {
2528            getMessageArchiveService().kill(conversation);
2529            if (conversation.getMode() == Conversation.MODE_MULTI) {
2530                if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2531                    final Bookmark bookmark = conversation.getBookmark();
2532                    if (maySynchronizeWithBookmarks && bookmark != null) {
2533                        if (conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
2534                            Account account = bookmark.getAccount();
2535                            bookmark.setConversation(null);
2536                            deleteBookmark(account, bookmark);
2537                        } else if (bookmark.autojoin()) {
2538                            bookmark.setAutojoin(false);
2539                            createBookmark(bookmark.getAccount(), bookmark);
2540                        }
2541                    }
2542                }
2543                leaveMuc(conversation);
2544            } else {
2545                if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
2546                    stopPresenceUpdatesTo(conversation.getContact());
2547                }
2548            }
2549            updateConversation(conversation);
2550            this.conversations.remove(conversation);
2551            updateConversationUi();
2552        }
2553    }
2554
2555    public void stopPresenceUpdatesTo(Contact contact) {
2556        Log.d(Config.LOGTAG, "Canceling presence request from " + contact.getJid().toString());
2557        sendPresencePacket(contact.getAccount(), mPresenceGenerator.stopPresenceUpdatesTo(contact));
2558        contact.resetOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
2559    }
2560
2561    public void createAccount(final Account account) {
2562        account.initAccountServices(this);
2563        databaseBackend.createAccount(account);
2564        if (CallIntegration.hasSystemFeature(this)) {
2565            CallIntegrationConnectionService.togglePhoneAccountAsync(this, account);
2566        }
2567        this.accounts.add(account);
2568        this.reconnectAccountInBackground(account);
2569        updateAccountUi();
2570        syncEnabledAccountSetting();
2571        toggleForegroundService();
2572    }
2573
2574    private void syncEnabledAccountSetting() {
2575        final boolean hasEnabledAccounts = hasEnabledAccounts();
2576        getPreferences().edit().putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
2577        toggleSetProfilePictureActivity(hasEnabledAccounts);
2578    }
2579
2580    private void toggleSetProfilePictureActivity(final boolean enabled) {
2581        try {
2582            final ComponentName name = new ComponentName(this, ChooseAccountForProfilePictureActivity.class);
2583            final int targetState = enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
2584            getPackageManager().setComponentEnabledSetting(name, targetState, PackageManager.DONT_KILL_APP);
2585        } catch (IllegalStateException e) {
2586            Log.d(Config.LOGTAG, "unable to toggle profile picture activity");
2587        }
2588    }
2589
2590    public boolean reconfigurePushDistributor() {
2591        return this.unifiedPushBroker.reconfigurePushDistributor();
2592    }
2593
2594    private Optional<UnifiedPushBroker.Transport> renewUnifiedPushEndpoints(final UnifiedPushBroker.PushTargetMessenger pushTargetMessenger) {
2595        return this.unifiedPushBroker.renewUnifiedPushEndpoints(pushTargetMessenger);
2596    }
2597
2598    public Optional<UnifiedPushBroker.Transport> renewUnifiedPushEndpoints() {
2599        return this.unifiedPushBroker.renewUnifiedPushEndpoints(null);
2600    }
2601
2602    private void provisionAccount(final String address, final String password) {
2603        final Jid jid = Jid.ofEscaped(address);
2604        final Account account = new Account(jid, password);
2605        account.setOption(Account.OPTION_DISABLED, true);
2606        Log.d(Config.LOGTAG, jid.asBareJid().toEscapedString() + ": provisioning account");
2607        createAccount(account);
2608    }
2609
2610    public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
2611        new Thread(() -> {
2612            try {
2613                final X509Certificate[] chain = KeyChain.getCertificateChain(this, alias);
2614                final X509Certificate cert = chain != null && chain.length > 0 ? chain[0] : null;
2615                if (cert == null) {
2616                    callback.informUser(R.string.unable_to_parse_certificate);
2617                    return;
2618                }
2619                Pair<Jid, String> info = CryptoHelper.extractJidAndName(cert);
2620                if (info == null) {
2621                    callback.informUser(R.string.certificate_does_not_contain_jid);
2622                    return;
2623                }
2624                if (findAccountByJid(info.first) == null) {
2625                    final Account account = new Account(info.first, "");
2626                    account.setPrivateKeyAlias(alias);
2627                    account.setOption(Account.OPTION_DISABLED, true);
2628                    account.setOption(Account.OPTION_FIXED_USERNAME, true);
2629                    account.setDisplayName(info.second);
2630                    createAccount(account);
2631                    callback.onAccountCreated(account);
2632                    if (Config.X509_VERIFICATION) {
2633                        try {
2634                            getMemorizingTrustManager().getNonInteractive(account.getServer()).checkClientTrusted(chain, "RSA");
2635                        } catch (CertificateException e) {
2636                            callback.informUser(R.string.certificate_chain_is_not_trusted);
2637                        }
2638                    }
2639                } else {
2640                    callback.informUser(R.string.account_already_exists);
2641                }
2642            } catch (Exception e) {
2643                callback.informUser(R.string.unable_to_parse_certificate);
2644            }
2645        }).start();
2646
2647    }
2648
2649    public void updateKeyInAccount(final Account account, final String alias) {
2650        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": update key in account " + alias);
2651        try {
2652            X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
2653            Log.d(Config.LOGTAG, account.getJid().asBareJid() + " loaded certificate chain");
2654            Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
2655            if (info == null) {
2656                showErrorToastInUi(R.string.certificate_does_not_contain_jid);
2657                return;
2658            }
2659            if (account.getJid().asBareJid().equals(info.first)) {
2660                account.setPrivateKeyAlias(alias);
2661                account.setDisplayName(info.second);
2662                databaseBackend.updateAccount(account);
2663                if (Config.X509_VERIFICATION) {
2664                    try {
2665                        getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
2666                    } catch (CertificateException e) {
2667                        showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
2668                    }
2669                    account.getAxolotlService().regenerateKeys(true);
2670                }
2671            } else {
2672                showErrorToastInUi(R.string.jid_does_not_match_certificate);
2673            }
2674        } catch (Exception e) {
2675            e.printStackTrace();
2676        }
2677    }
2678
2679    public boolean updateAccount(final Account account) {
2680        if (databaseBackend.updateAccount(account)) {
2681            account.setShowErrorNotification(true);
2682            this.statusListener.onStatusChanged(account);
2683            databaseBackend.updateAccount(account);
2684            reconnectAccountInBackground(account);
2685            updateAccountUi();
2686            getNotificationService().updateErrorNotification();
2687            toggleForegroundService();
2688            syncEnabledAccountSetting();
2689            mChannelDiscoveryService.cleanCache();
2690            if (CallIntegration.hasSystemFeature(this)) {
2691                CallIntegrationConnectionService.togglePhoneAccountAsync(this, account);
2692            }
2693            return true;
2694        } else {
2695            return false;
2696        }
2697    }
2698
2699    public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
2700        final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
2701        sendIqPacket(account, iq, (a, packet) -> {
2702            if (packet.getType() == IqPacket.TYPE.RESULT) {
2703                a.setPassword(newPassword);
2704                a.setOption(Account.OPTION_MAGIC_CREATE, false);
2705                databaseBackend.updateAccount(a);
2706                callback.onPasswordChangeSucceeded();
2707            } else {
2708                callback.onPasswordChangeFailed();
2709            }
2710        });
2711    }
2712
2713    public void unregisterAccount(final Account account, final Consumer<Boolean> callback) {
2714        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
2715        final Element query = iqPacket.addChild("query",Namespace.REGISTER);
2716        query.addChild("remove");
2717        sendIqPacket(account, iqPacket, (a, response) -> {
2718            if (response.getType() == IqPacket.TYPE.RESULT) {
2719                deleteAccount(a);
2720                callback.accept(true);
2721            } else {
2722                callback.accept(false);
2723            }
2724        });
2725    }
2726
2727    public void deleteAccount(final Account account) {
2728        final boolean connected = account.getStatus() == Account.State.ONLINE;
2729        synchronized (this.conversations) {
2730            if (connected) {
2731                account.getAxolotlService().deleteOmemoIdentity();
2732            }
2733            for (final Conversation conversation : conversations) {
2734                if (conversation.getAccount() == account) {
2735                    if (conversation.getMode() == Conversation.MODE_MULTI) {
2736                        if (connected) {
2737                            leaveMuc(conversation);
2738                        }
2739                    }
2740                    conversations.remove(conversation);
2741                    mNotificationService.clear(conversation);
2742                }
2743            }
2744            if (account.getXmppConnection() != null) {
2745                new Thread(() -> disconnect(account, !connected)).start();
2746            }
2747            final Runnable runnable = () -> {
2748                if (!databaseBackend.deleteAccount(account)) {
2749                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to delete account");
2750                }
2751            };
2752            mDatabaseWriterExecutor.execute(runnable);
2753            this.accounts.remove(account);
2754            if (CallIntegration.hasSystemFeature(this)) {
2755                CallIntegrationConnectionService.unregisterPhoneAccount(this, account);
2756            }
2757            this.mRosterSyncTaskManager.clear(account);
2758            updateAccountUi();
2759            mNotificationService.updateErrorNotification();
2760            syncEnabledAccountSetting();
2761            toggleForegroundService();
2762        }
2763    }
2764
2765    public void setOnConversationListChangedListener(OnConversationUpdate listener) {
2766        final boolean remainingListeners;
2767        synchronized (LISTENER_LOCK) {
2768            remainingListeners = checkListeners();
2769            if (!this.mOnConversationUpdates.add(listener)) {
2770                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as ConversationListChangedListener");
2771            }
2772            this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2773        }
2774        if (remainingListeners) {
2775            switchToForeground();
2776        }
2777    }
2778
2779    public void removeOnConversationListChangedListener(OnConversationUpdate listener) {
2780        final boolean remainingListeners;
2781        synchronized (LISTENER_LOCK) {
2782            this.mOnConversationUpdates.remove(listener);
2783            this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2784            remainingListeners = checkListeners();
2785        }
2786        if (remainingListeners) {
2787            switchToBackground();
2788        }
2789    }
2790
2791    public void setOnShowErrorToastListener(OnShowErrorToast listener) {
2792        final boolean remainingListeners;
2793        synchronized (LISTENER_LOCK) {
2794            remainingListeners = checkListeners();
2795            if (!this.mOnShowErrorToasts.add(listener)) {
2796                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnShowErrorToastListener");
2797            }
2798        }
2799        if (remainingListeners) {
2800            switchToForeground();
2801        }
2802    }
2803
2804    public void removeOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
2805        final boolean remainingListeners;
2806        synchronized (LISTENER_LOCK) {
2807            this.mOnShowErrorToasts.remove(onShowErrorToast);
2808            remainingListeners = checkListeners();
2809        }
2810        if (remainingListeners) {
2811            switchToBackground();
2812        }
2813    }
2814
2815    public void setOnAccountListChangedListener(OnAccountUpdate listener) {
2816        final boolean remainingListeners;
2817        synchronized (LISTENER_LOCK) {
2818            remainingListeners = checkListeners();
2819            if (!this.mOnAccountUpdates.add(listener)) {
2820                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnAccountListChangedtListener");
2821            }
2822        }
2823        if (remainingListeners) {
2824            switchToForeground();
2825        }
2826    }
2827
2828    public void removeOnAccountListChangedListener(OnAccountUpdate listener) {
2829        final boolean remainingListeners;
2830        synchronized (LISTENER_LOCK) {
2831            this.mOnAccountUpdates.remove(listener);
2832            remainingListeners = checkListeners();
2833        }
2834        if (remainingListeners) {
2835            switchToBackground();
2836        }
2837    }
2838
2839    public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2840        final boolean remainingListeners;
2841        synchronized (LISTENER_LOCK) {
2842            remainingListeners = checkListeners();
2843            if (!this.mOnCaptchaRequested.add(listener)) {
2844                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnCaptchaRequestListener");
2845            }
2846        }
2847        if (remainingListeners) {
2848            switchToForeground();
2849        }
2850    }
2851
2852    public void removeOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2853        final boolean remainingListeners;
2854        synchronized (LISTENER_LOCK) {
2855            this.mOnCaptchaRequested.remove(listener);
2856            remainingListeners = checkListeners();
2857        }
2858        if (remainingListeners) {
2859            switchToBackground();
2860        }
2861    }
2862
2863    public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
2864        final boolean remainingListeners;
2865        synchronized (LISTENER_LOCK) {
2866            remainingListeners = checkListeners();
2867            if (!this.mOnRosterUpdates.add(listener)) {
2868                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnRosterUpdateListener");
2869            }
2870        }
2871        if (remainingListeners) {
2872            switchToForeground();
2873        }
2874    }
2875
2876    public void removeOnRosterUpdateListener(final OnRosterUpdate listener) {
2877        final boolean remainingListeners;
2878        synchronized (LISTENER_LOCK) {
2879            this.mOnRosterUpdates.remove(listener);
2880            remainingListeners = checkListeners();
2881        }
2882        if (remainingListeners) {
2883            switchToBackground();
2884        }
2885    }
2886
2887    public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2888        final boolean remainingListeners;
2889        synchronized (LISTENER_LOCK) {
2890            remainingListeners = checkListeners();
2891            if (!this.mOnUpdateBlocklist.add(listener)) {
2892                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnUpdateBlocklistListener");
2893            }
2894        }
2895        if (remainingListeners) {
2896            switchToForeground();
2897        }
2898    }
2899
2900    public void removeOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2901        final boolean remainingListeners;
2902        synchronized (LISTENER_LOCK) {
2903            this.mOnUpdateBlocklist.remove(listener);
2904            remainingListeners = checkListeners();
2905        }
2906        if (remainingListeners) {
2907            switchToBackground();
2908        }
2909    }
2910
2911    public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
2912        final boolean remainingListeners;
2913        synchronized (LISTENER_LOCK) {
2914            remainingListeners = checkListeners();
2915            if (!this.mOnKeyStatusUpdated.add(listener)) {
2916                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnKeyStatusUpdateListener");
2917            }
2918        }
2919        if (remainingListeners) {
2920            switchToForeground();
2921        }
2922    }
2923
2924    public void removeOnNewKeysAvailableListener(final OnKeyStatusUpdated listener) {
2925        final boolean remainingListeners;
2926        synchronized (LISTENER_LOCK) {
2927            this.mOnKeyStatusUpdated.remove(listener);
2928            remainingListeners = checkListeners();
2929        }
2930        if (remainingListeners) {
2931            switchToBackground();
2932        }
2933    }
2934
2935    public void setOnRtpConnectionUpdateListener(final OnJingleRtpConnectionUpdate listener) {
2936        final boolean remainingListeners;
2937        synchronized (LISTENER_LOCK) {
2938            remainingListeners = checkListeners();
2939            if (!this.onJingleRtpConnectionUpdate.add(listener)) {
2940                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnJingleRtpConnectionUpdate");
2941            }
2942        }
2943        if (remainingListeners) {
2944            switchToForeground();
2945        }
2946    }
2947
2948    public void removeRtpConnectionUpdateListener(final OnJingleRtpConnectionUpdate listener) {
2949        final boolean remainingListeners;
2950        synchronized (LISTENER_LOCK) {
2951            this.onJingleRtpConnectionUpdate.remove(listener);
2952            remainingListeners = checkListeners();
2953        }
2954        if (remainingListeners) {
2955            switchToBackground();
2956        }
2957    }
2958
2959    public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
2960        final boolean remainingListeners;
2961        synchronized (LISTENER_LOCK) {
2962            remainingListeners = checkListeners();
2963            if (!this.mOnMucRosterUpdate.add(listener)) {
2964                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnMucRosterListener");
2965            }
2966        }
2967        if (remainingListeners) {
2968            switchToForeground();
2969        }
2970    }
2971
2972    public void removeOnMucRosterUpdateListener(final OnMucRosterUpdate listener) {
2973        final boolean remainingListeners;
2974        synchronized (LISTENER_LOCK) {
2975            this.mOnMucRosterUpdate.remove(listener);
2976            remainingListeners = checkListeners();
2977        }
2978        if (remainingListeners) {
2979            switchToBackground();
2980        }
2981    }
2982
2983    public boolean checkListeners() {
2984        return (this.mOnAccountUpdates.size() == 0
2985                && this.mOnConversationUpdates.size() == 0
2986                && this.mOnRosterUpdates.size() == 0
2987                && this.mOnCaptchaRequested.size() == 0
2988                && this.mOnMucRosterUpdate.size() == 0
2989                && this.mOnUpdateBlocklist.size() == 0
2990                && this.mOnShowErrorToasts.size() == 0
2991                && this.onJingleRtpConnectionUpdate.size() == 0
2992                && this.mOnKeyStatusUpdated.size() == 0);
2993    }
2994
2995    private void switchToForeground() {
2996        toggleSoftDisabled(false);
2997        final boolean broadcastLastActivity = broadcastLastActivity();
2998        for (Conversation conversation : getConversations()) {
2999            if (conversation.getMode() == Conversation.MODE_MULTI) {
3000                conversation.getMucOptions().resetChatState();
3001            } else {
3002                conversation.setIncomingChatState(Config.DEFAULT_CHAT_STATE);
3003            }
3004        }
3005        for (Account account : getAccounts()) {
3006            if (account.getStatus() == Account.State.ONLINE) {
3007                account.deactivateGracePeriod();
3008                final XmppConnection connection = account.getXmppConnection();
3009                if (connection != null) {
3010                    if (connection.getFeatures().csi()) {
3011                        connection.sendActive();
3012                    }
3013                    if (broadcastLastActivity) {
3014                        sendPresence(account, false); //send new presence but don't include idle because we are not
3015                    }
3016                }
3017            }
3018        }
3019        Log.d(Config.LOGTAG, "app switched into foreground");
3020    }
3021
3022    private void switchToBackground() {
3023        final boolean broadcastLastActivity = broadcastLastActivity();
3024        if (broadcastLastActivity) {
3025            mLastActivity = System.currentTimeMillis();
3026            final SharedPreferences.Editor editor = getPreferences().edit();
3027            editor.putLong(SETTING_LAST_ACTIVITY_TS, mLastActivity);
3028            editor.apply();
3029        }
3030        for (Account account : getAccounts()) {
3031            if (account.getStatus() == Account.State.ONLINE) {
3032                XmppConnection connection = account.getXmppConnection();
3033                if (connection != null) {
3034                    if (broadcastLastActivity) {
3035                        sendPresence(account, true);
3036                    }
3037                    if (connection.getFeatures().csi()) {
3038                        connection.sendInactive();
3039                    }
3040                }
3041            }
3042        }
3043        this.mNotificationService.setIsInForeground(false);
3044        Log.d(Config.LOGTAG, "app switched into background");
3045    }
3046
3047    private void connectMultiModeConversations(Account account) {
3048        List<Conversation> conversations = getConversations();
3049        for (Conversation conversation : conversations) {
3050            if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
3051                joinMuc(conversation);
3052            }
3053        }
3054    }
3055
3056    public void mucSelfPingAndRejoin(final Conversation conversation) {
3057        final Account account = conversation.getAccount();
3058        synchronized (account.inProgressConferenceJoins) {
3059            if (account.inProgressConferenceJoins.contains(conversation)) {
3060                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because join is already under way");
3061                return;
3062            }
3063        }
3064        synchronized (account.inProgressConferencePings) {
3065            if (!account.inProgressConferencePings.add(conversation)) {
3066                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because ping is already under way");
3067                return;
3068            }
3069        }
3070        final Jid self = conversation.getMucOptions().getSelf().getFullJid();
3071        final IqPacket ping = new IqPacket(IqPacket.TYPE.GET);
3072        ping.setTo(self);
3073        ping.addChild("ping", Namespace.PING);
3074        sendIqPacket(conversation.getAccount(), ping, (a, response) -> {
3075            if (response.getType() == IqPacket.TYPE.ERROR) {
3076                Element error = response.findChild("error");
3077                if (error == null || error.hasChild("service-unavailable") || error.hasChild("feature-not-implemented") || error.hasChild("item-not-found")) {
3078                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " came back as ignorable error");
3079                } else {
3080                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " failed. attempting rejoin");
3081                    joinMuc(conversation);
3082                }
3083            } else if (response.getType() == IqPacket.TYPE.RESULT) {
3084                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " came back fine");
3085            }
3086            synchronized (account.inProgressConferencePings) {
3087                account.inProgressConferencePings.remove(conversation);
3088            }
3089        });
3090    }
3091    public void joinMuc(Conversation conversation) {
3092        joinMuc(conversation, null, false);
3093    }
3094
3095    public void joinMuc(Conversation conversation, boolean followedInvite) {
3096        joinMuc(conversation, null, followedInvite);
3097    }
3098
3099    private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
3100        joinMuc(conversation, onConferenceJoined, false);
3101    }
3102
3103    private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined, final boolean followedInvite) {
3104        final Account account = conversation.getAccount();
3105        synchronized (account.pendingConferenceJoins) {
3106            account.pendingConferenceJoins.remove(conversation);
3107        }
3108        synchronized (account.pendingConferenceLeaves) {
3109            account.pendingConferenceLeaves.remove(conversation);
3110        }
3111        if (account.getStatus() == Account.State.ONLINE) {
3112            synchronized (account.inProgressConferenceJoins) {
3113                account.inProgressConferenceJoins.add(conversation);
3114            }
3115            if (Config.MUC_LEAVE_BEFORE_JOIN) {
3116                sendPresencePacket(account, mPresenceGenerator.leave(conversation.getMucOptions()));
3117            }
3118            conversation.resetMucOptions();
3119            if (onConferenceJoined != null) {
3120                conversation.getMucOptions().flagNoAutoPushConfiguration();
3121            }
3122            conversation.setHasMessagesLeftOnServer(false);
3123            fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
3124
3125                private void join(Conversation conversation) {
3126                    Account account = conversation.getAccount();
3127                    final MucOptions mucOptions = conversation.getMucOptions();
3128
3129                    if (mucOptions.nonanonymous() && !mucOptions.membersOnly() && !conversation.getBooleanAttribute("accept_non_anonymous", false)) {
3130                        synchronized (account.inProgressConferenceJoins) {
3131                            account.inProgressConferenceJoins.remove(conversation);
3132                        }
3133                        mucOptions.setError(MucOptions.Error.NON_ANONYMOUS);
3134                        updateConversationUi();
3135                        if (onConferenceJoined != null) {
3136                            onConferenceJoined.onConferenceJoined(conversation);
3137                        }
3138                        return;
3139                    }
3140
3141                    final Jid joinJid = mucOptions.getSelf().getFullJid();
3142                    Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": joining conversation " + joinJid.toString());
3143                    PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous() || onConferenceJoined != null);
3144                    packet.setTo(joinJid);
3145                    Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
3146                    if (conversation.getMucOptions().getPassword() != null) {
3147                        x.addChild("password").setContent(mucOptions.getPassword());
3148                    }
3149
3150                    if (mucOptions.mamSupport()) {
3151                        // Use MAM instead of the limited muc history to get history
3152                        x.addChild("history").setAttribute("maxchars", "0");
3153                    } else {
3154                        // Fallback to muc history
3155                        x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted().getTimestamp()));
3156                    }
3157                    sendPresencePacket(account, packet);
3158                    if (onConferenceJoined != null) {
3159                        onConferenceJoined.onConferenceJoined(conversation);
3160                    }
3161                    if (!joinJid.equals(conversation.getJid())) {
3162                        conversation.setContactJid(joinJid);
3163                        databaseBackend.updateConversation(conversation);
3164                    }
3165
3166                    if (mucOptions.mamSupport()) {
3167                        getMessageArchiveService().catchupMUC(conversation);
3168                    }
3169                    if (mucOptions.isPrivateAndNonAnonymous()) {
3170                        fetchConferenceMembers(conversation);
3171
3172                        if (followedInvite) {
3173                            final Bookmark bookmark = conversation.getBookmark();
3174                            if (bookmark != null) {
3175                                if (!bookmark.autojoin()) {
3176                                    bookmark.setAutojoin(true);
3177                                    createBookmark(account, bookmark);
3178                                }
3179                            } else {
3180                                saveConversationAsBookmark(conversation, null);
3181                            }
3182                        }
3183                    }
3184                    synchronized (account.inProgressConferenceJoins) {
3185                        account.inProgressConferenceJoins.remove(conversation);
3186                        sendUnsentMessages(conversation);
3187                    }
3188                }
3189
3190                @Override
3191                public void onConferenceConfigurationFetched(Conversation conversation) {
3192                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
3193                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": conversation (" + conversation.getJid() + ") got archived before IQ result");
3194                        return;
3195                    }
3196                    join(conversation);
3197                }
3198
3199                @Override
3200                public void onFetchFailed(final Conversation conversation, final String errorCondition) {
3201                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
3202                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": conversation (" + conversation.getJid() + ") got archived before IQ result");
3203                        return;
3204                    }
3205                    if ("remote-server-not-found".equals(errorCondition)) {
3206                        synchronized (account.inProgressConferenceJoins) {
3207                            account.inProgressConferenceJoins.remove(conversation);
3208                        }
3209                        conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
3210                        updateConversationUi();
3211                    } else {
3212                        join(conversation);
3213                        fetchConferenceConfiguration(conversation);
3214                    }
3215                }
3216            });
3217            updateConversationUi();
3218        } else {
3219            synchronized (account.pendingConferenceJoins) {
3220                account.pendingConferenceJoins.add(conversation);
3221            }
3222            conversation.resetMucOptions();
3223            conversation.setHasMessagesLeftOnServer(false);
3224            updateConversationUi();
3225        }
3226    }
3227
3228    private void fetchConferenceMembers(final Conversation conversation) {
3229        final Account account = conversation.getAccount();
3230        final AxolotlService axolotlService = account.getAxolotlService();
3231        final String[] affiliations = {"member", "admin", "owner"};
3232        OnIqPacketReceived callback = new OnIqPacketReceived() {
3233
3234            private int i = 0;
3235            private boolean success = true;
3236
3237            @Override
3238            public void onIqPacketReceived(Account account, IqPacket packet) {
3239                final boolean omemoEnabled = conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL;
3240                Element query = packet.query("http://jabber.org/protocol/muc#admin");
3241                if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
3242                    for (Element child : query.getChildren()) {
3243                        if ("item".equals(child.getName())) {
3244                            MucOptions.User user = AbstractParser.parseItem(conversation, child);
3245                            if (!user.realJidMatchesAccount()) {
3246                                boolean isNew = conversation.getMucOptions().updateUser(user);
3247                                Contact contact = user.getContact();
3248                                if (omemoEnabled
3249                                        && isNew
3250                                        && user.getRealJid() != null
3251                                        && (contact == null || !contact.mutualPresenceSubscription())
3252                                        && axolotlService.hasEmptyDeviceList(user.getRealJid())) {
3253                                    axolotlService.fetchDeviceIds(user.getRealJid());
3254                                }
3255                            }
3256                        }
3257                    }
3258                } else {
3259                    success = false;
3260                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not request affiliation " + affiliations[i] + " in " + conversation.getJid().asBareJid());
3261                }
3262                ++i;
3263                if (i >= affiliations.length) {
3264                    List<Jid> members = conversation.getMucOptions().getMembers(true);
3265                    if (success) {
3266                        List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
3267                        boolean changed = false;
3268                        for (ListIterator<Jid> iterator = cryptoTargets.listIterator(); iterator.hasNext(); ) {
3269                            Jid jid = iterator.next();
3270                            if (!members.contains(jid) && !members.contains(jid.getDomain())) {
3271                                iterator.remove();
3272                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
3273                                changed = true;
3274                            }
3275                        }
3276                        if (changed) {
3277                            conversation.setAcceptedCryptoTargets(cryptoTargets);
3278                            updateConversation(conversation);
3279                        }
3280                    }
3281                    getAvatarService().clear(conversation);
3282                    updateMucRosterUi();
3283                    updateConversationUi();
3284                }
3285            }
3286        };
3287        for (String affiliation : affiliations) {
3288            sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
3289        }
3290        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching members for " + conversation.getName());
3291    }
3292
3293    public void providePasswordForMuc(final Conversation conversation, final String password) {
3294        if (conversation.getMode() == Conversation.MODE_MULTI) {
3295            conversation.getMucOptions().setPassword(password);
3296            if (conversation.getBookmark() != null) {
3297                final Bookmark bookmark = conversation.getBookmark();
3298                bookmark.setAutojoin(true);
3299                createBookmark(conversation.getAccount(), bookmark);
3300            }
3301            updateConversation(conversation);
3302            joinMuc(conversation);
3303        }
3304    }
3305
3306    public void deleteAvatar(final Account account) {
3307        final AtomicBoolean executed = new AtomicBoolean(false);
3308        final Runnable onDeleted =
3309                () -> {
3310                    if (executed.compareAndSet(false, true)) {
3311                        account.setAvatar(null);
3312                        databaseBackend.updateAccount(account);
3313                        getAvatarService().clear(account);
3314                        updateAccountUi();
3315                    }
3316                };
3317        deleteVcardAvatar(account, onDeleted);
3318        deletePepNode(account, Namespace.AVATAR_DATA);
3319        deletePepNode(account, Namespace.AVATAR_METADATA, onDeleted);
3320    }
3321
3322    public void deletePepNode(final Account account, final String node) {
3323        deletePepNode(account, node, null);
3324    }
3325
3326    private void deletePepNode(final Account account, final String node, final Runnable runnable) {
3327        final IqPacket request = mIqGenerator.deleteNode(node);
3328        sendIqPacket(account, request, (a, packet) -> {
3329            if (packet.getType() == IqPacket.TYPE.RESULT) {
3330                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": successfully deleted pep node "+node);
3331                if (runnable != null) {
3332                    runnable.run();
3333                }
3334            } else {
3335                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": failed to delete "+ packet);
3336            }
3337        });
3338    }
3339
3340    private void deleteVcardAvatar(final Account account, @NonNull final Runnable runnable) {
3341        final IqPacket retrieveVcard = mIqGenerator.retrieveVcardAvatar(account.getJid().asBareJid());
3342        sendIqPacket(account, retrieveVcard, (a, response) -> {
3343            if (response.getType() != IqPacket.TYPE.RESULT) {
3344                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": no vCard set. nothing to do");
3345                return;
3346            }
3347            final Element vcard = response.findChild("vCard", "vcard-temp");
3348            if (vcard == null) {
3349                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": no vCard set. nothing to do");
3350                return;
3351            }
3352            Element photo = vcard.findChild("PHOTO");
3353            if (photo == null) {
3354                photo = vcard.addChild("PHOTO");
3355            }
3356            photo.clearChildren();
3357            IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
3358            publication.setTo(a.getJid().asBareJid());
3359            publication.addChild(vcard);
3360            sendIqPacket(account, publication, (a1, publicationResponse) -> {
3361                if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
3362                    Log.d(Config.LOGTAG,a1.getJid().asBareJid()+": successfully deleted vcard avatar");
3363                    runnable.run();
3364                } else {
3365                    Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getErrorCondition());
3366                }
3367            });
3368        });
3369    }
3370
3371    private boolean hasEnabledAccounts() {
3372        if (this.accounts == null) {
3373            return false;
3374        }
3375        for (final Account account : this.accounts) {
3376            if (account.isConnectionEnabled()) {
3377                return true;
3378            }
3379        }
3380        return false;
3381    }
3382
3383
3384    public void getAttachments(final Conversation conversation, int limit, final OnMediaLoaded onMediaLoaded) {
3385        getAttachments(conversation.getAccount(), conversation.getJid().asBareJid(), limit, onMediaLoaded);
3386    }
3387
3388    public void getAttachments(final Account account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
3389        getAttachments(account.getUuid(), jid.asBareJid(), limit, onMediaLoaded);
3390    }
3391
3392
3393    public void getAttachments(final String account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
3394        new Thread(() -> onMediaLoaded.onMediaLoaded(fileBackend.convertToAttachments(databaseBackend.getRelativeFilePaths(account, jid, limit)))).start();
3395    }
3396
3397    public void persistSelfNick(final MucOptions.User self) {
3398        final Conversation conversation = self.getConversation();
3399        final boolean tookProposedNickFromBookmark = conversation.getMucOptions().isTookProposedNickFromBookmark();
3400        Jid full = self.getFullJid();
3401        if (!full.equals(conversation.getJid())) {
3402            Log.d(Config.LOGTAG, "nick changed. updating");
3403            conversation.setContactJid(full);
3404            databaseBackend.updateConversation(conversation);
3405        }
3406
3407        final Bookmark bookmark = conversation.getBookmark();
3408        final String bookmarkedNick = bookmark == null ? null : bookmark.getNick();
3409        if (bookmark != null && (tookProposedNickFromBookmark || Strings.isNullOrEmpty(bookmarkedNick)) && !full.getResource().equals(bookmarkedNick)) {
3410            final Account account = conversation.getAccount();
3411            final String defaultNick = MucOptions.defaultNick(account);
3412            if (Strings.isNullOrEmpty(bookmarkedNick) && full.getResource().equals(defaultNick)) {
3413                return;
3414            }
3415            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": persist nick '" + full.getResource() + "' into bookmark for " + conversation.getJid().asBareJid());
3416            bookmark.setNick(full.getResource());
3417            createBookmark(bookmark.getAccount(), bookmark);
3418        }
3419    }
3420
3421    public boolean renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
3422        final MucOptions options = conversation.getMucOptions();
3423        final Jid joinJid = options.createJoinJid(nick);
3424        if (joinJid == null) {
3425            return false;
3426        }
3427        if (options.online()) {
3428            Account account = conversation.getAccount();
3429            options.setOnRenameListener(new OnRenameListener() {
3430
3431                @Override
3432                public void onSuccess() {
3433                    callback.success(conversation);
3434                }
3435
3436                @Override
3437                public void onFailure() {
3438                    callback.error(R.string.nick_in_use, conversation);
3439                }
3440            });
3441
3442            final PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, options.nonanonymous());
3443            packet.setTo(joinJid);
3444            sendPresencePacket(account, packet);
3445        } else {
3446            conversation.setContactJid(joinJid);
3447            databaseBackend.updateConversation(conversation);
3448            if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
3449                Bookmark bookmark = conversation.getBookmark();
3450                if (bookmark != null) {
3451                    bookmark.setNick(nick);
3452                    createBookmark(bookmark.getAccount(), bookmark);
3453                }
3454                joinMuc(conversation);
3455            }
3456        }
3457        return true;
3458    }
3459
3460    public void leaveMuc(Conversation conversation) {
3461        leaveMuc(conversation, false);
3462    }
3463
3464    private void leaveMuc(Conversation conversation, boolean now) {
3465        final Account account = conversation.getAccount();
3466        synchronized (account.pendingConferenceJoins) {
3467            account.pendingConferenceJoins.remove(conversation);
3468        }
3469        synchronized (account.pendingConferenceLeaves) {
3470            account.pendingConferenceLeaves.remove(conversation);
3471        }
3472        if (account.getStatus() == Account.State.ONLINE || now) {
3473            sendPresencePacket(conversation.getAccount(), mPresenceGenerator.leave(conversation.getMucOptions()));
3474            conversation.getMucOptions().setOffline();
3475            Bookmark bookmark = conversation.getBookmark();
3476            if (bookmark != null) {
3477                bookmark.setConversation(null);
3478            }
3479            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": leaving muc " + conversation.getJid());
3480        } else {
3481            synchronized (account.pendingConferenceLeaves) {
3482                account.pendingConferenceLeaves.add(conversation);
3483            }
3484        }
3485    }
3486
3487    public String findConferenceServer(final Account account) {
3488        String server;
3489        if (account.getXmppConnection() != null) {
3490            server = account.getXmppConnection().getMucServer();
3491            if (server != null) {
3492                return server;
3493            }
3494        }
3495        for (Account other : getAccounts()) {
3496            if (other != account && other.getXmppConnection() != null) {
3497                server = other.getXmppConnection().getMucServer();
3498                if (server != null) {
3499                    return server;
3500                }
3501            }
3502        }
3503        return null;
3504    }
3505
3506
3507    public void createPublicChannel(final Account account, final String name, final Jid address, final UiCallback<Conversation> callback) {
3508        joinMuc(findOrCreateConversation(account, address, true, false, true), conversation -> {
3509            final Bundle configuration = IqGenerator.defaultChannelConfiguration();
3510            if (!TextUtils.isEmpty(name)) {
3511                configuration.putString("muc#roomconfig_roomname", name);
3512            }
3513            pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
3514                @Override
3515                public void onPushSucceeded() {
3516                    saveConversationAsBookmark(conversation, name);
3517                    callback.success(conversation);
3518                }
3519
3520                @Override
3521                public void onPushFailed() {
3522                    if (conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
3523                        callback.error(R.string.unable_to_set_channel_configuration, conversation);
3524                    } else {
3525                        callback.error(R.string.joined_an_existing_channel, conversation);
3526                    }
3527                }
3528            });
3529        });
3530    }
3531
3532    public boolean createAdhocConference(final Account account,
3533                                         final String name,
3534                                         final Iterable<Jid> jids,
3535                                         final UiCallback<Conversation> callback) {
3536        Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": creating adhoc conference with " + jids.toString());
3537        if (account.getStatus() == Account.State.ONLINE) {
3538            try {
3539                String server = findConferenceServer(account);
3540                if (server == null) {
3541                    if (callback != null) {
3542                        callback.error(R.string.no_conference_server_found, null);
3543                    }
3544                    return false;
3545                }
3546                final Jid jid = Jid.of(CryptoHelper.pronounceable(), server, null);
3547                final Conversation conversation = findOrCreateConversation(account, jid, true, false, true);
3548                joinMuc(conversation, new OnConferenceJoined() {
3549                    @Override
3550                    public void onConferenceJoined(final Conversation conversation) {
3551                        final Bundle configuration = IqGenerator.defaultGroupChatConfiguration();
3552                        if (!TextUtils.isEmpty(name)) {
3553                            configuration.putString("muc#roomconfig_roomname", name);
3554                        }
3555                        pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
3556                            @Override
3557                            public void onPushSucceeded() {
3558                                for (Jid invite : jids) {
3559                                    invite(conversation, invite);
3560                                }
3561                                for (String resource : account.getSelfContact().getPresences().toResourceArray()) {
3562                                    Jid other = account.getJid().withResource(resource);
3563                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending direct invite to " + other);
3564                                    directInvite(conversation, other);
3565                                }
3566                                saveConversationAsBookmark(conversation, name);
3567                                if (callback != null) {
3568                                    callback.success(conversation);
3569                                }
3570                            }
3571
3572                            @Override
3573                            public void onPushFailed() {
3574                                archiveConversation(conversation);
3575                                if (callback != null) {
3576                                    callback.error(R.string.conference_creation_failed, conversation);
3577                                }
3578                            }
3579                        });
3580                    }
3581                });
3582                return true;
3583            } catch (IllegalArgumentException e) {
3584                if (callback != null) {
3585                    callback.error(R.string.conference_creation_failed, null);
3586                }
3587                return false;
3588            }
3589        } else {
3590            if (callback != null) {
3591                callback.error(R.string.not_connected_try_again, null);
3592            }
3593            return false;
3594        }
3595    }
3596
3597    public void fetchConferenceConfiguration(final Conversation conversation) {
3598        fetchConferenceConfiguration(conversation, null);
3599    }
3600
3601    public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
3602        IqPacket request = mIqGenerator.queryDiscoInfo(conversation.getJid().asBareJid());
3603        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3604            @Override
3605            public void onIqPacketReceived(Account account, IqPacket packet) {
3606                if (packet.getType() == IqPacket.TYPE.RESULT) {
3607                    final MucOptions mucOptions = conversation.getMucOptions();
3608                    final Bookmark bookmark = conversation.getBookmark();
3609                    final boolean sameBefore = StringUtils.equals(bookmark == null ? null : bookmark.getBookmarkName(), mucOptions.getName());
3610
3611                    if (mucOptions.updateConfiguration(new ServiceDiscoveryResult(packet))) {
3612                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": muc configuration changed for " + conversation.getJid().asBareJid());
3613                        updateConversation(conversation);
3614                    }
3615
3616                    if (bookmark != null && (sameBefore || bookmark.getBookmarkName() == null)) {
3617                        if (bookmark.setBookmarkName(StringUtils.nullOnEmpty(mucOptions.getName()))) {
3618                            createBookmark(account, bookmark);
3619                        }
3620                    }
3621
3622
3623                    if (callback != null) {
3624                        callback.onConferenceConfigurationFetched(conversation);
3625                    }
3626
3627
3628                    updateConversationUi();
3629                } else if (packet.getType() == IqPacket.TYPE.TIMEOUT) {
3630                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received timeout waiting for conference configuration fetch");
3631                } else {
3632                    if (callback != null) {
3633                        callback.onFetchFailed(conversation, packet.getErrorCondition());
3634                    }
3635                }
3636            }
3637        });
3638    }
3639
3640    public void pushNodeConfiguration(Account account, final String node, final Bundle options, final OnConfigurationPushed callback) {
3641        pushNodeConfiguration(account, account.getJid().asBareJid(), node, options, callback);
3642    }
3643
3644    public void pushNodeConfiguration(Account account, final Jid jid, final String node, final Bundle options, final OnConfigurationPushed callback) {
3645        Log.d(Config.LOGTAG, "pushing node configuration");
3646        sendIqPacket(account, mIqGenerator.requestPubsubConfiguration(jid, node), new OnIqPacketReceived() {
3647            @Override
3648            public void onIqPacketReceived(Account account, IqPacket packet) {
3649                if (packet.getType() == IqPacket.TYPE.RESULT) {
3650                    Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub#owner");
3651                    Element configuration = pubsub == null ? null : pubsub.findChild("configure");
3652                    Element x = configuration == null ? null : configuration.findChild("x", Namespace.DATA);
3653                    if (x != null) {
3654                        Data data = Data.parse(x);
3655                        data.submit(options);
3656                        sendIqPacket(account, mIqGenerator.publishPubsubConfiguration(jid, node, data), new OnIqPacketReceived() {
3657                            @Override
3658                            public void onIqPacketReceived(Account account, IqPacket packet) {
3659                                if (packet.getType() == IqPacket.TYPE.RESULT && callback != null) {
3660                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": successfully changed node configuration for node " + node);
3661                                    callback.onPushSucceeded();
3662                                } else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3663                                    callback.onPushFailed();
3664                                }
3665                            }
3666                        });
3667                    } else if (callback != null) {
3668                        callback.onPushFailed();
3669                    }
3670                } else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3671                    callback.onPushFailed();
3672                }
3673            }
3674        });
3675    }
3676
3677    public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConfigurationPushed callback) {
3678        if (options.getString("muc#roomconfig_whois", "moderators").equals("anyone")) {
3679            conversation.setAttribute("accept_non_anonymous", true);
3680            updateConversation(conversation);
3681        }
3682        if (options.containsKey("muc#roomconfig_moderatedroom")) {
3683            final boolean moderated = "1".equals(options.getString("muc#roomconfig_moderatedroom"));
3684            options.putString("members_by_default", moderated ? "0" : "1");
3685        }
3686        final IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3687        request.setTo(conversation.getJid().asBareJid());
3688        request.query("http://jabber.org/protocol/muc#owner");
3689        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3690            @Override
3691            public void onIqPacketReceived(Account account, IqPacket packet) {
3692                if (packet.getType() == IqPacket.TYPE.RESULT) {
3693                    final Data data = Data.parse(packet.query().findChild("x", Namespace.DATA));
3694                    data.submit(options);
3695                    final IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3696                    set.setTo(conversation.getJid().asBareJid());
3697                    set.query("http://jabber.org/protocol/muc#owner").addChild(data);
3698                    sendIqPacket(account, set, new OnIqPacketReceived() {
3699                        @Override
3700                        public void onIqPacketReceived(Account account, IqPacket packet) {
3701                            if (callback != null) {
3702                                if (packet.getType() == IqPacket.TYPE.RESULT) {
3703                                    callback.onPushSucceeded();
3704                                } else {
3705                                    callback.onPushFailed();
3706                                }
3707                            }
3708                        }
3709                    });
3710                } else {
3711                    if (callback != null) {
3712                        callback.onPushFailed();
3713                    }
3714                }
3715            }
3716        });
3717    }
3718
3719    public void pushSubjectToConference(final Conversation conference, final String subject) {
3720        MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, StringUtils.nullOnEmpty(subject));
3721        this.sendMessagePacket(conference.getAccount(), packet);
3722    }
3723
3724    public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
3725        final Jid jid = user.asBareJid();
3726        final IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
3727        sendIqPacket(conference.getAccount(), request, (account, response) -> {
3728            if (response.getType() == IqPacket.TYPE.RESULT) {
3729                conference.getMucOptions().changeAffiliation(jid, affiliation);
3730                getAvatarService().clear(conference);
3731                if (callback != null) {
3732                    callback.onAffiliationChangedSuccessful(jid);
3733                } else {
3734                    Log.d(Config.LOGTAG, "changed affiliation of " + user + " to " + affiliation);
3735                }
3736            } else if (callback != null) {
3737                callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
3738            } else {
3739                Log.d(Config.LOGTAG, "unable to change affiliation");
3740            }
3741        });
3742    }
3743
3744    public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role) {
3745        IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
3746        sendIqPacket(conference.getAccount(), request, (account, packet) -> {
3747            if (packet.getType() != IqPacket.TYPE.RESULT) {
3748                Log.d(Config.LOGTAG, account.getJid().asBareJid() + " unable to change role of " + nick);
3749            }
3750        });
3751    }
3752
3753    public void destroyRoom(final Conversation conversation, final OnRoomDestroy callback) {
3754        IqPacket request = new IqPacket(IqPacket.TYPE.SET);
3755        request.setTo(conversation.getJid().asBareJid());
3756        request.query("http://jabber.org/protocol/muc#owner").addChild("destroy");
3757        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3758            @Override
3759            public void onIqPacketReceived(Account account, IqPacket packet) {
3760                if (packet.getType() == IqPacket.TYPE.RESULT) {
3761                    if (callback != null) {
3762                        callback.onRoomDestroySucceeded();
3763                    }
3764                } else if (packet.getType() == IqPacket.TYPE.ERROR) {
3765                    if (callback != null) {
3766                        callback.onRoomDestroyFailed();
3767                    }
3768                }
3769            }
3770        });
3771    }
3772
3773    private void disconnect(final Account account, boolean force) {
3774        final XmppConnection connection = account.getXmppConnection();
3775        if (connection == null) {
3776            return;
3777        }
3778        if (!force) {
3779            final List<Conversation> conversations = getConversations();
3780            for (Conversation conversation : conversations) {
3781                if (conversation.getAccount() == account) {
3782                    if (conversation.getMode() == Conversation.MODE_MULTI) {
3783                        leaveMuc(conversation, true);
3784                    }
3785                }
3786            }
3787            sendOfflinePresence(account);
3788        }
3789        connection.disconnect(force);
3790    }
3791
3792    @Override
3793    public IBinder onBind(Intent intent) {
3794        return mBinder;
3795    }
3796
3797    public void updateMessage(Message message) {
3798        updateMessage(message, true);
3799    }
3800
3801    public void updateMessage(Message message, boolean includeBody) {
3802        databaseBackend.updateMessage(message, includeBody);
3803        updateConversationUi();
3804    }
3805
3806    public void createMessageAsync(final Message message) {
3807        mDatabaseWriterExecutor.execute(() -> databaseBackend.createMessage(message));
3808    }
3809
3810    public void updateMessage(Message message, String uuid) {
3811        if (!databaseBackend.updateMessage(message, uuid)) {
3812            Log.e(Config.LOGTAG, "error updated message in DB after edit");
3813        }
3814        updateConversationUi();
3815    }
3816
3817    protected void syncDirtyContacts(Account account) {
3818        for (Contact contact : account.getRoster().getContacts()) {
3819            if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
3820                pushContactToServer(contact);
3821            }
3822            if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
3823                deleteContactOnServer(contact);
3824            }
3825        }
3826    }
3827
3828    public void createContact(final Contact contact, final boolean autoGrant) {
3829        createContact(contact, autoGrant, null);
3830    }
3831
3832    public void createContact(final Contact contact, final boolean autoGrant, final String preAuth) {
3833        if (autoGrant) {
3834            contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
3835            contact.setOption(Contact.Options.ASKING);
3836        }
3837        pushContactToServer(contact, preAuth);
3838    }
3839
3840    public void pushContactToServer(final Contact contact) {
3841        pushContactToServer(contact, null);
3842    }
3843
3844    private void pushContactToServer(final Contact contact, final String preAuth) {
3845        contact.resetOption(Contact.Options.DIRTY_DELETE);
3846        contact.setOption(Contact.Options.DIRTY_PUSH);
3847        final Account account = contact.getAccount();
3848        if (account.getStatus() == Account.State.ONLINE) {
3849            final boolean ask = contact.getOption(Contact.Options.ASKING);
3850            final boolean sendUpdates = contact
3851                    .getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
3852                    && contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
3853            final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3854            iq.query(Namespace.ROSTER).addChild(contact.asElement());
3855            account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3856            if (sendUpdates) {
3857                sendPresencePacket(account, mPresenceGenerator.sendPresenceUpdatesTo(contact));
3858            }
3859            if (ask) {
3860                sendPresencePacket(account, mPresenceGenerator.requestPresenceUpdatesFrom(contact, preAuth));
3861            }
3862        } else {
3863            syncRoster(contact.getAccount());
3864        }
3865    }
3866
3867    public void publishMucAvatar(final Conversation conversation, final Uri image, final OnAvatarPublication callback) {
3868        new Thread(() -> {
3869            final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3870            final int size = Config.AVATAR_SIZE;
3871            final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3872            if (avatar != null) {
3873                if (!getFileBackend().save(avatar)) {
3874                    callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3875                    return;
3876                }
3877                avatar.owner = conversation.getJid().asBareJid();
3878                publishMucAvatar(conversation, avatar, callback);
3879            } else {
3880                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3881            }
3882        }).start();
3883    }
3884
3885    public void publishAvatar(final Account account, final Uri image, final OnAvatarPublication callback) {
3886        new Thread(() -> {
3887            final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3888            final int size = Config.AVATAR_SIZE;
3889            final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3890            if (avatar != null) {
3891                if (!getFileBackend().save(avatar)) {
3892                    Log.d(Config.LOGTAG, "unable to save vcard");
3893                    callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3894                    return;
3895                }
3896                publishAvatar(account, avatar, callback);
3897            } else {
3898                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3899            }
3900        }).start();
3901
3902    }
3903
3904    private void publishMucAvatar(Conversation conversation, Avatar avatar, OnAvatarPublication callback) {
3905        final IqPacket retrieve = mIqGenerator.retrieveVcardAvatar(avatar);
3906        sendIqPacket(conversation.getAccount(), retrieve, (account, response) -> {
3907            boolean itemNotFound = response.getType() == IqPacket.TYPE.ERROR && response.hasChild("error") && response.findChild("error").hasChild("item-not-found");
3908            if (response.getType() == IqPacket.TYPE.RESULT || itemNotFound) {
3909                Element vcard = response.findChild("vCard", "vcard-temp");
3910                if (vcard == null) {
3911                    vcard = new Element("vCard", "vcard-temp");
3912                }
3913                Element photo = vcard.findChild("PHOTO");
3914                if (photo == null) {
3915                    photo = vcard.addChild("PHOTO");
3916                }
3917                photo.clearChildren();
3918                photo.addChild("TYPE").setContent(avatar.type);
3919                photo.addChild("BINVAL").setContent(avatar.image);
3920                IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
3921                publication.setTo(conversation.getJid().asBareJid());
3922                publication.addChild(vcard);
3923                sendIqPacket(account, publication, (a1, publicationResponse) -> {
3924                    if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
3925                        callback.onAvatarPublicationSucceeded();
3926                    } else {
3927                        Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getErrorCondition());
3928                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3929                    }
3930                });
3931            } else {
3932                Log.d(Config.LOGTAG, "failed to request vcard " + response);
3933                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_no_server_support);
3934            }
3935        });
3936    }
3937
3938    public void publishAvatar(Account account, final Avatar avatar, final OnAvatarPublication callback) {
3939        final Bundle options;
3940        if (account.getXmppConnection().getFeatures().pepPublishOptions()) {
3941            options = PublishOptions.openAccess();
3942        } else {
3943            options = null;
3944        }
3945        publishAvatar(account, avatar, options, true, callback);
3946    }
3947
3948    public void publishAvatar(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3949        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": publishing avatar. options=" + options);
3950        IqPacket packet = this.mIqGenerator.publishAvatar(avatar, options);
3951        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3952
3953            @Override
3954            public void onIqPacketReceived(Account account, IqPacket result) {
3955                if (result.getType() == IqPacket.TYPE.RESULT) {
3956                    publishAvatarMetadata(account, avatar, options, true, callback);
3957                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3958                    pushNodeConfiguration(account, Namespace.AVATAR_DATA, options, new OnConfigurationPushed() {
3959                        @Override
3960                        public void onPushSucceeded() {
3961                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": changed node configuration for avatar node");
3962                            publishAvatar(account, avatar, options, false, callback);
3963                        }
3964
3965                        @Override
3966                        public void onPushFailed() {
3967                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to change node configuration for avatar node");
3968                            publishAvatar(account, avatar, null, false, callback);
3969                        }
3970                    });
3971                } else {
3972                    Element error = result.findChild("error");
3973                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server rejected avatar " + (avatar.size / 1024) + "KiB " + (error != null ? error.toString() : ""));
3974                    if (callback != null) {
3975                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3976                    }
3977                }
3978            }
3979        });
3980    }
3981
3982    public void publishAvatarMetadata(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3983        final IqPacket packet = XmppConnectionService.this.mIqGenerator.publishAvatarMetadata(avatar, options);
3984        sendIqPacket(account, packet, new OnIqPacketReceived() {
3985            @Override
3986            public void onIqPacketReceived(Account account, IqPacket result) {
3987                if (result.getType() == IqPacket.TYPE.RESULT) {
3988                    if (account.setAvatar(avatar.getFilename())) {
3989                        getAvatarService().clear(account);
3990                        databaseBackend.updateAccount(account);
3991                        notifyAccountAvatarHasChanged(account);
3992                    }
3993                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": published avatar " + (avatar.size / 1024) + "KiB");
3994                    if (callback != null) {
3995                        callback.onAvatarPublicationSucceeded();
3996                    }
3997                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3998                    pushNodeConfiguration(account, Namespace.AVATAR_METADATA, options, new OnConfigurationPushed() {
3999                        @Override
4000                        public void onPushSucceeded() {
4001                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": changed node configuration for avatar meta data node");
4002                            publishAvatarMetadata(account, avatar, options, false, callback);
4003                        }
4004
4005                        @Override
4006                        public void onPushFailed() {
4007                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to change node configuration for avatar meta data node");
4008                            publishAvatarMetadata(account, avatar, null, false, callback);
4009                        }
4010                    });
4011                } else {
4012                    if (callback != null) {
4013                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
4014                    }
4015                }
4016            }
4017        });
4018    }
4019
4020    public void republishAvatarIfNeeded(Account account) {
4021        if (account.getAxolotlService().isPepBroken()) {
4022            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping republication of avatar because pep is broken");
4023            return;
4024        }
4025        IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
4026        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
4027
4028            private Avatar parseAvatar(IqPacket packet) {
4029                Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
4030                if (pubsub != null) {
4031                    Element items = pubsub.findChild("items");
4032                    if (items != null) {
4033                        return Avatar.parseMetadata(items);
4034                    }
4035                }
4036                return null;
4037            }
4038
4039            private boolean errorIsItemNotFound(IqPacket packet) {
4040                Element error = packet.findChild("error");
4041                return packet.getType() == IqPacket.TYPE.ERROR
4042                        && error != null
4043                        && error.hasChild("item-not-found");
4044            }
4045
4046            @Override
4047            public void onIqPacketReceived(Account account, IqPacket packet) {
4048                if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
4049                    Avatar serverAvatar = parseAvatar(packet);
4050                    if (serverAvatar == null && account.getAvatar() != null) {
4051                        Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
4052                        if (avatar != null) {
4053                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar on server was null. republishing");
4054                            publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
4055                        } else {
4056                            Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": error rereading avatar");
4057                        }
4058                    }
4059                }
4060            }
4061        });
4062    }
4063
4064    public void fetchAvatar(Account account, Avatar avatar) {
4065        fetchAvatar(account, avatar, null);
4066    }
4067
4068    public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
4069        final String KEY = generateFetchKey(account, avatar);
4070        synchronized (this.mInProgressAvatarFetches) {
4071            if (mInProgressAvatarFetches.add(KEY)) {
4072                switch (avatar.origin) {
4073                    case PEP:
4074                        this.mInProgressAvatarFetches.add(KEY);
4075                        fetchAvatarPep(account, avatar, callback);
4076                        break;
4077                    case VCARD:
4078                        this.mInProgressAvatarFetches.add(KEY);
4079                        fetchAvatarVcard(account, avatar, callback);
4080                        break;
4081                }
4082            } else if (avatar.origin == Avatar.Origin.PEP) {
4083                mOmittedPepAvatarFetches.add(KEY);
4084            } else {
4085                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": already fetching " + avatar.origin + " avatar for " + avatar.owner);
4086            }
4087        }
4088    }
4089
4090    private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
4091        IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
4092        sendIqPacket(account, packet, (a, result) -> {
4093            synchronized (mInProgressAvatarFetches) {
4094                mInProgressAvatarFetches.remove(generateFetchKey(a, avatar));
4095            }
4096            final String ERROR = a.getJid().asBareJid() + ": fetching avatar for " + avatar.owner + " failed ";
4097            if (result.getType() == IqPacket.TYPE.RESULT) {
4098                avatar.image = mIqParser.avatarData(result);
4099                if (avatar.image != null) {
4100                    if (getFileBackend().save(avatar)) {
4101                        if (a.getJid().asBareJid().equals(avatar.owner)) {
4102                            if (a.setAvatar(avatar.getFilename())) {
4103                                databaseBackend.updateAccount(a);
4104                            }
4105                            getAvatarService().clear(a);
4106                            updateConversationUi();
4107                            updateAccountUi();
4108                        } else {
4109                            final Contact contact = a.getRoster().getContact(avatar.owner);
4110                            contact.setAvatar(avatar);
4111                            syncRoster(account);
4112                            getAvatarService().clear(contact);
4113                            updateConversationUi();
4114                            updateRosterUi();
4115                        }
4116                        if (callback != null) {
4117                            callback.success(avatar);
4118                        }
4119                        Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": successfully fetched pep avatar for " + avatar.owner);
4120                        return;
4121                    }
4122                } else {
4123
4124                    Log.d(Config.LOGTAG, ERROR + "(parsing error)");
4125                }
4126            } else {
4127                Element error = result.findChild("error");
4128                if (error == null) {
4129                    Log.d(Config.LOGTAG, ERROR + "(server error)");
4130                } else {
4131                    Log.d(Config.LOGTAG, ERROR + error.toString());
4132                }
4133            }
4134            if (callback != null) {
4135                callback.error(0, null);
4136            }
4137
4138        });
4139    }
4140
4141    private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
4142        IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
4143        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
4144            @Override
4145            public void onIqPacketReceived(Account account, IqPacket packet) {
4146                final boolean previouslyOmittedPepFetch;
4147                synchronized (mInProgressAvatarFetches) {
4148                    final String KEY = generateFetchKey(account, avatar);
4149                    mInProgressAvatarFetches.remove(KEY);
4150                    previouslyOmittedPepFetch = mOmittedPepAvatarFetches.remove(KEY);
4151                }
4152                if (packet.getType() == IqPacket.TYPE.RESULT) {
4153                    Element vCard = packet.findChild("vCard", "vcard-temp");
4154                    Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
4155                    String image = photo != null ? photo.findChildContent("BINVAL") : null;
4156                    if (image != null) {
4157                        avatar.image = image;
4158                        if (getFileBackend().save(avatar)) {
4159                            Log.d(Config.LOGTAG, account.getJid().asBareJid()
4160                                    + ": successfully fetched vCard avatar for " + avatar.owner + " omittedPep=" + previouslyOmittedPepFetch);
4161                            if (avatar.owner.isBareJid()) {
4162                                if (account.getJid().asBareJid().equals(avatar.owner) && account.getAvatar() == null) {
4163                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": had no avatar. replacing with vcard");
4164                                    account.setAvatar(avatar.getFilename());
4165                                    databaseBackend.updateAccount(account);
4166                                    getAvatarService().clear(account);
4167                                    updateAccountUi();
4168                                } else {
4169                                    final Contact contact = account.getRoster().getContact(avatar.owner);
4170                                    contact.setAvatar(avatar, previouslyOmittedPepFetch);
4171                                    syncRoster(account);
4172                                    getAvatarService().clear(contact);
4173                                    updateRosterUi();
4174                                }
4175                                updateConversationUi();
4176                            } else {
4177                                Conversation conversation = find(account, avatar.owner.asBareJid());
4178                                if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
4179                                    MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
4180                                    if (user != null) {
4181                                        if (user.setAvatar(avatar)) {
4182                                            getAvatarService().clear(user);
4183                                            updateConversationUi();
4184                                            updateMucRosterUi();
4185                                        }
4186                                        if (user.getRealJid() != null) {
4187                                            Contact contact = account.getRoster().getContact(user.getRealJid());
4188                                            contact.setAvatar(avatar);
4189                                            syncRoster(account);
4190                                            getAvatarService().clear(contact);
4191                                            updateRosterUi();
4192                                        }
4193                                    }
4194                                }
4195                            }
4196                        }
4197                    }
4198                }
4199            }
4200        });
4201    }
4202
4203    public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
4204        IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
4205        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
4206
4207            @Override
4208            public void onIqPacketReceived(Account account, IqPacket packet) {
4209                if (packet.getType() == IqPacket.TYPE.RESULT) {
4210                    Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
4211                    if (pubsub != null) {
4212                        Element items = pubsub.findChild("items");
4213                        if (items != null) {
4214                            Avatar avatar = Avatar.parseMetadata(items);
4215                            if (avatar != null) {
4216                                avatar.owner = account.getJid().asBareJid();
4217                                if (fileBackend.isAvatarCached(avatar)) {
4218                                    if (account.setAvatar(avatar.getFilename())) {
4219                                        databaseBackend.updateAccount(account);
4220                                    }
4221                                    getAvatarService().clear(account);
4222                                    callback.success(avatar);
4223                                } else {
4224                                    fetchAvatarPep(account, avatar, callback);
4225                                }
4226                                return;
4227                            }
4228                        }
4229                    }
4230                }
4231                callback.error(0, null);
4232            }
4233        });
4234    }
4235
4236    public void notifyAccountAvatarHasChanged(final Account account) {
4237        final XmppConnection connection = account.getXmppConnection();
4238        if (connection != null && connection.getFeatures().bookmarksConversion()) {
4239            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar changed. resending presence to online group chats");
4240            for (Conversation conversation : conversations) {
4241                if (conversation.getAccount() == account && conversation.getMode() == Conversational.MODE_MULTI) {
4242                    final MucOptions mucOptions = conversation.getMucOptions();
4243                    if (mucOptions.online()) {
4244                        PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous());
4245                        packet.setTo(mucOptions.getSelf().getFullJid());
4246                        connection.sendPresencePacket(packet);
4247                    }
4248                }
4249            }
4250        }
4251    }
4252
4253    public void deleteContactOnServer(Contact contact) {
4254        contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
4255        contact.resetOption(Contact.Options.DIRTY_PUSH);
4256        contact.setOption(Contact.Options.DIRTY_DELETE);
4257        Account account = contact.getAccount();
4258        if (account.getStatus() == Account.State.ONLINE) {
4259            IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
4260            Element item = iq.query(Namespace.ROSTER).addChild("item");
4261            item.setAttribute("jid", contact.getJid());
4262            item.setAttribute("subscription", "remove");
4263            account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
4264        }
4265    }
4266
4267    public void updateConversation(final Conversation conversation) {
4268        mDatabaseWriterExecutor.execute(() -> databaseBackend.updateConversation(conversation));
4269    }
4270
4271    private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
4272        synchronized (account) {
4273            final XmppConnection existingConnection = account.getXmppConnection();
4274            final XmppConnection connection;
4275            if (existingConnection != null) {
4276                connection = existingConnection;
4277            } else if (account.isConnectionEnabled()) {
4278                connection = createConnection(account);
4279                account.setXmppConnection(connection);
4280            } else {
4281                return;
4282            }
4283            final boolean hasInternet = hasInternetConnection();
4284            if (account.isConnectionEnabled() && hasInternet) {
4285                if (!force) {
4286                    disconnect(account, false);
4287                }
4288                Thread thread = new Thread(connection);
4289                connection.setInteractive(interactive);
4290                connection.prepareNewConnection();
4291                connection.interrupt();
4292                thread.start();
4293                scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
4294            } else {
4295                disconnect(account, force || account.getTrueStatus().isError() || !hasInternet);
4296                account.getRoster().clearPresences();
4297                connection.resetEverything();
4298                final AxolotlService axolotlService = account.getAxolotlService();
4299                if (axolotlService != null) {
4300                    axolotlService.resetBrokenness();
4301                }
4302                if (!hasInternet) {
4303                    account.setStatus(Account.State.NO_INTERNET);
4304                }
4305            }
4306        }
4307    }
4308
4309    public void reconnectAccountInBackground(final Account account) {
4310        new Thread(() -> reconnectAccount(account, false, true)).start();
4311    }
4312
4313    public void invite(final Conversation conversation, final Jid contact) {
4314        Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": inviting " + contact + " to " + conversation.getJid().asBareJid());
4315        final MucOptions.User user = conversation.getMucOptions().findUserByRealJid(contact.asBareJid());
4316        if (user == null || user.getAffiliation() == MucOptions.Affiliation.OUTCAST) {
4317            changeAffiliationInConference(conversation, contact, MucOptions.Affiliation.NONE, null);
4318        }
4319        final MessagePacket packet = mMessageGenerator.invite(conversation, contact);
4320        sendMessagePacket(conversation.getAccount(), packet);
4321    }
4322
4323    public void directInvite(Conversation conversation, Jid jid) {
4324        MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
4325        sendMessagePacket(conversation.getAccount(), packet);
4326    }
4327
4328    public void resetSendingToWaiting(Account account) {
4329        for (Conversation conversation : getConversations()) {
4330            if (conversation.getAccount() == account) {
4331                conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
4332            }
4333        }
4334    }
4335
4336    public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
4337        return markMessage(account, recipient, uuid, status, null);
4338    }
4339
4340    public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
4341        if (uuid == null) {
4342            return null;
4343        }
4344        for (Conversation conversation : getConversations()) {
4345            if (conversation.getJid().asBareJid().equals(recipient) && conversation.getAccount() == account) {
4346                final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
4347                if (message != null) {
4348                    markMessage(message, status, errorMessage);
4349                }
4350                return message;
4351            }
4352        }
4353        return null;
4354    }
4355
4356    public boolean markMessage(final Conversation conversation, final String uuid, final int status, final String serverMessageId) {
4357        return markMessage(conversation, uuid, status, serverMessageId, null);
4358    }
4359
4360    public boolean markMessage(final Conversation conversation, final String uuid, final int status, final String serverMessageId, final LocalizedContent body) {
4361        if (uuid == null) {
4362            return false;
4363        } else {
4364            final Message message = conversation.findSentMessageWithUuid(uuid);
4365            if (message != null) {
4366                if (message.getServerMsgId() == null) {
4367                    message.setServerMsgId(serverMessageId);
4368                }
4369                if (message.getEncryption() == Message.ENCRYPTION_NONE
4370                        && message.isTypeText()
4371                        && isBodyModified(message, body)) {
4372                    message.setBody(body.content);
4373                    if (body.count > 1) {
4374                        message.setBodyLanguage(body.language);
4375                    }
4376                    markMessage(message, status, null, true);
4377                } else {
4378                    markMessage(message, status);
4379                }
4380                return true;
4381            } else {
4382                return false;
4383            }
4384        }
4385    }
4386
4387    private static boolean isBodyModified(final Message message, final LocalizedContent body) {
4388        if (body == null || body.content == null) {
4389            return false;
4390        }
4391        return !body.content.equals(message.getBody());
4392    }
4393
4394    public void markMessage(Message message, int status) {
4395        markMessage(message, status, null);
4396    }
4397
4398
4399    public void markMessage(final Message message, final int status, final String errorMessage) {
4400        markMessage(message, status, errorMessage, false);
4401    }
4402
4403    public void markMessage(final Message message, final int status, final String errorMessage, final boolean includeBody) {
4404        final int oldStatus = message.getStatus();
4405        if (status == Message.STATUS_SEND_FAILED && (oldStatus == Message.STATUS_SEND_RECEIVED || oldStatus == Message.STATUS_SEND_DISPLAYED)) {
4406            return;
4407        }
4408        if (status == Message.STATUS_SEND_RECEIVED && oldStatus == Message.STATUS_SEND_DISPLAYED) {
4409            return;
4410        }
4411        message.setErrorMessage(errorMessage);
4412        message.setStatus(status);
4413        databaseBackend.updateMessage(message, includeBody);
4414        updateConversationUi();
4415        if (oldStatus != status && status == Message.STATUS_SEND_FAILED) {
4416            mNotificationService.pushFailedDelivery(message);
4417        }
4418    }
4419
4420    private SharedPreferences getPreferences() {
4421        return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
4422    }
4423
4424    public long getAutomaticMessageDeletionDate() {
4425        final long timeout = getLongPreference(AppSettings.AUTOMATIC_MESSAGE_DELETION, R.integer.automatic_message_deletion);
4426        return timeout == 0 ? timeout : (System.currentTimeMillis() - (timeout * 1000));
4427    }
4428
4429    public long getLongPreference(String name, @IntegerRes int res) {
4430        long defaultValue = getResources().getInteger(res);
4431        try {
4432            return Long.parseLong(getPreferences().getString(name, String.valueOf(defaultValue)));
4433        } catch (NumberFormatException e) {
4434            return defaultValue;
4435        }
4436    }
4437
4438    public boolean getBooleanPreference(String name, @BoolRes int res) {
4439        return getPreferences().getBoolean(name, getResources().getBoolean(res));
4440    }
4441
4442    public boolean confirmMessages() {
4443        return getBooleanPreference("confirm_messages", R.bool.confirm_messages);
4444    }
4445
4446    public boolean allowMessageCorrection() {
4447        return getBooleanPreference("allow_message_correction", R.bool.allow_message_correction);
4448    }
4449
4450    public boolean sendChatStates() {
4451        return getBooleanPreference("chat_states", R.bool.chat_states);
4452    }
4453
4454    public boolean useTorToConnect() {
4455        return QuickConversationsService.isConversations() && getBooleanPreference("use_tor", R.bool.use_tor);
4456    }
4457
4458    public boolean showExtendedConnectionOptions() {
4459        return QuickConversationsService.isConversations() && getBooleanPreference(AppSettings.SHOW_CONNECTION_OPTIONS, R.bool.show_connection_options);
4460    }
4461
4462    public boolean broadcastLastActivity() {
4463        return getBooleanPreference(AppSettings.BROADCAST_LAST_ACTIVITY, R.bool.last_activity);
4464    }
4465
4466    public int unreadCount() {
4467        int count = 0;
4468        for (Conversation conversation : getConversations()) {
4469            count += conversation.unreadCount();
4470        }
4471        return count;
4472    }
4473
4474
4475    private <T> List<T> threadSafeList(Set<T> set) {
4476        synchronized (LISTENER_LOCK) {
4477            return set.isEmpty() ? Collections.emptyList() : new ArrayList<>(set);
4478        }
4479    }
4480
4481    public void showErrorToastInUi(int resId) {
4482        for (OnShowErrorToast listener : threadSafeList(this.mOnShowErrorToasts)) {
4483            listener.onShowErrorToast(resId);
4484        }
4485    }
4486
4487    public void updateConversationUi() {
4488        for (OnConversationUpdate listener : threadSafeList(this.mOnConversationUpdates)) {
4489            listener.onConversationUpdate();
4490        }
4491    }
4492
4493    public void notifyJingleRtpConnectionUpdate(final Account account, final Jid with, final String sessionId, final RtpEndUserState state) {
4494        for (OnJingleRtpConnectionUpdate listener : threadSafeList(this.onJingleRtpConnectionUpdate)) {
4495            listener.onJingleRtpConnectionUpdate(account, with, sessionId, state);
4496        }
4497    }
4498
4499    public void notifyJingleRtpConnectionUpdate(CallIntegration.AudioDevice selectedAudioDevice, Set<CallIntegration.AudioDevice> availableAudioDevices) {
4500        for (OnJingleRtpConnectionUpdate listener : threadSafeList(this.onJingleRtpConnectionUpdate)) {
4501            listener.onAudioDeviceChanged(selectedAudioDevice, availableAudioDevices);
4502        }
4503    }
4504
4505    public void updateAccountUi() {
4506        for (final OnAccountUpdate listener : threadSafeList(this.mOnAccountUpdates)) {
4507            listener.onAccountUpdate();
4508        }
4509    }
4510
4511    public void updateRosterUi() {
4512        for (OnRosterUpdate listener : threadSafeList(this.mOnRosterUpdates)) {
4513            listener.onRosterUpdate();
4514        }
4515    }
4516
4517    public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
4518        if (mOnCaptchaRequested.size() > 0) {
4519            DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
4520            Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
4521                    (int) (captcha.getHeight() * metrics.scaledDensity), false);
4522            for (OnCaptchaRequested listener : threadSafeList(this.mOnCaptchaRequested)) {
4523                listener.onCaptchaRequested(account, id, data, scaled);
4524            }
4525            return true;
4526        }
4527        return false;
4528    }
4529
4530    public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
4531        for (OnUpdateBlocklist listener : threadSafeList(this.mOnUpdateBlocklist)) {
4532            listener.OnUpdateBlocklist(status);
4533        }
4534    }
4535
4536    public void updateMucRosterUi() {
4537        for (OnMucRosterUpdate listener : threadSafeList(this.mOnMucRosterUpdate)) {
4538            listener.onMucRosterUpdate();
4539        }
4540    }
4541
4542    public void keyStatusUpdated(AxolotlService.FetchStatus report) {
4543        for (OnKeyStatusUpdated listener : threadSafeList(this.mOnKeyStatusUpdated)) {
4544            listener.onKeyStatusUpdated(report);
4545        }
4546    }
4547
4548    public Account findAccountByJid(final Jid jid) {
4549        for (final Account account : this.accounts) {
4550            if (account.getJid().asBareJid().equals(jid.asBareJid())) {
4551                return account;
4552            }
4553        }
4554        return null;
4555    }
4556
4557    public Account findAccountByUuid(final String uuid) {
4558        for (Account account : this.accounts) {
4559            if (account.getUuid().equals(uuid)) {
4560                return account;
4561            }
4562        }
4563        return null;
4564    }
4565
4566    public Conversation findConversationByUuid(String uuid) {
4567        for (Conversation conversation : getConversations()) {
4568            if (conversation.getUuid().equals(uuid)) {
4569                return conversation;
4570            }
4571        }
4572        return null;
4573    }
4574
4575    public Conversation findUniqueConversationByJid(XmppUri xmppUri) {
4576        List<Conversation> findings = new ArrayList<>();
4577        for (Conversation c : getConversations()) {
4578            if (c.getAccount().isEnabled() && c.getJid().asBareJid().equals(xmppUri.getJid()) && ((c.getMode() == Conversational.MODE_MULTI) == xmppUri.isAction(XmppUri.ACTION_JOIN))) {
4579                findings.add(c);
4580            }
4581        }
4582        return findings.size() == 1 ? findings.get(0) : null;
4583    }
4584
4585    public boolean markRead(final Conversation conversation, boolean dismiss) {
4586        return markRead(conversation, null, dismiss).size() > 0;
4587    }
4588
4589    public void markRead(final Conversation conversation) {
4590        markRead(conversation, null, true);
4591    }
4592
4593    public List<Message> markRead(final Conversation conversation, String upToUuid, boolean dismiss) {
4594        if (dismiss) {
4595            mNotificationService.clear(conversation);
4596        }
4597        final List<Message> readMessages = conversation.markRead(upToUuid);
4598        if (readMessages.size() > 0) {
4599            Runnable runnable = () -> {
4600                for (Message message : readMessages) {
4601                    databaseBackend.updateMessage(message, false);
4602                }
4603            };
4604            mDatabaseWriterExecutor.execute(runnable);
4605            updateConversationUi();
4606            updateUnreadCountBadge();
4607            return readMessages;
4608        } else {
4609            return readMessages;
4610        }
4611    }
4612
4613    public synchronized void updateUnreadCountBadge() {
4614        int count = unreadCount();
4615        if (unreadCount != count) {
4616            Log.d(Config.LOGTAG, "update unread count to " + count);
4617            if (count > 0) {
4618                ShortcutBadger.applyCount(getApplicationContext(), count);
4619            } else {
4620                ShortcutBadger.removeCount(getApplicationContext());
4621            }
4622            unreadCount = count;
4623        }
4624    }
4625
4626    public void sendReadMarker(final Conversation conversation, final String upToUuid) {
4627        final boolean isPrivateAndNonAnonymousMuc =
4628                conversation.getMode() == Conversation.MODE_MULTI
4629                        && conversation.isPrivateAndNonAnonymous();
4630        final List<Message> readMessages = this.markRead(conversation, upToUuid, true);
4631        if (readMessages.isEmpty()) {
4632            return;
4633        }
4634        final var account = conversation.getAccount();
4635        final var connection = account.getXmppConnection();
4636        updateConversationUi();
4637        final var last =
4638                Iterables.getLast(
4639                        Collections2.filter(
4640                                readMessages,
4641                                m ->
4642                                        !m.isPrivateMessage()
4643                                                && m.getStatus() == Message.STATUS_RECEIVED),
4644                        null);
4645        if (last == null) {
4646            return;
4647        }
4648
4649        final boolean sendDisplayedMarker =
4650                confirmMessages()
4651                        && (last.trusted() || isPrivateAndNonAnonymousMuc)
4652                        && last.getRemoteMsgId() != null
4653                        && (last.markable || isPrivateAndNonAnonymousMuc);
4654        final boolean serverAssist =
4655                connection != null && connection.getFeatures().mdsServerAssist();
4656
4657        final String stanzaId = last.getServerMsgId();
4658
4659        if (sendDisplayedMarker && serverAssist) {
4660            final var mdsDisplayed = mIqGenerator.mdsDisplayed(stanzaId, conversation);
4661            final MessagePacket packet = mMessageGenerator.confirm(last);
4662            packet.addChild(mdsDisplayed);
4663            if (!last.isPrivateMessage()) {
4664                packet.setTo(packet.getTo().asBareJid());
4665            }
4666            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": server assisted "+packet);
4667            this.sendMessagePacket(account, packet);
4668        } else {
4669            publishMds(last);
4670            // read markers will be sent after MDS to flush the CSI stanza queue
4671            if (sendDisplayedMarker) {
4672                Log.d(
4673                        Config.LOGTAG,
4674                        conversation.getAccount().getJid().asBareJid()
4675                                + ": sending displayed marker to "
4676                                + last.getCounterpart().toString());
4677                final MessagePacket packet = mMessageGenerator.confirm(last);
4678                this.sendMessagePacket(account, packet);
4679            }
4680        }
4681    }
4682
4683    private void publishMds(@Nullable final Message message) {
4684        final String stanzaId = message == null ? null : message.getServerMsgId();
4685        if (Strings.isNullOrEmpty(stanzaId)) {
4686            return;
4687        }
4688        final Conversation conversation;
4689        final var conversational = message.getConversation();
4690        if (conversational instanceof Conversation c) {
4691            conversation = c;
4692        } else {
4693            return;
4694        }
4695        final var account = conversation.getAccount();
4696        final var connection = account.getXmppConnection();
4697        if (connection == null || !connection.getFeatures().mds()) {
4698            return;
4699        }
4700        final Jid itemId;
4701        if (message.isPrivateMessage()) {
4702            itemId = message.getCounterpart();
4703        } else {
4704            itemId = conversation.getJid().asBareJid();
4705        }
4706        Log.d(Config.LOGTAG,"publishing mds for "+itemId+"/"+stanzaId);
4707        publishMds(account, itemId, stanzaId, conversation);
4708    }
4709
4710    private void publishMds(
4711            final Account account, final Jid itemId, final String stanzaId, final Conversation conversation) {
4712        final var item = mIqGenerator.mdsDisplayed(stanzaId, conversation);
4713        pushNodeAndEnforcePublishOptions(
4714                account,
4715                Namespace.MDS_DISPLAYED,
4716                item,
4717                itemId.toEscapedString(),
4718                PublishOptions.persistentWhitelistAccessMaxItems());
4719    }
4720
4721    public MemorizingTrustManager getMemorizingTrustManager() {
4722        return this.mMemorizingTrustManager;
4723    }
4724
4725    public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
4726        this.mMemorizingTrustManager = trustManager;
4727    }
4728
4729    public void updateMemorizingTrustManager() {
4730        final MemorizingTrustManager trustManager;
4731        final var appSettings = new AppSettings(this);
4732        if (appSettings.isTrustSystemCAStore()) {
4733            trustManager = new MemorizingTrustManager(getApplicationContext());
4734        } else {
4735            trustManager = new MemorizingTrustManager(getApplicationContext(), null);
4736        }
4737        setMemorizingTrustManager(trustManager);
4738    }
4739
4740    public LruCache<String, Bitmap> getBitmapCache() {
4741        return this.mBitmapCache;
4742    }
4743
4744    public Collection<String> getKnownHosts() {
4745        final Set<String> hosts = new HashSet<>();
4746        for (final Account account : getAccounts()) {
4747            hosts.add(account.getServer());
4748            for (final Contact contact : account.getRoster().getContacts()) {
4749                if (contact.showInRoster()) {
4750                    final String server = contact.getServer();
4751                    if (server != null) {
4752                        hosts.add(server);
4753                    }
4754                }
4755            }
4756        }
4757        if (Config.QUICKSY_DOMAIN != null) {
4758            hosts.remove(Config.QUICKSY_DOMAIN.toEscapedString()); //we only want to show this when we type a e164 number
4759        }
4760        if (Config.MAGIC_CREATE_DOMAIN != null) {
4761            hosts.add(Config.MAGIC_CREATE_DOMAIN);
4762        }
4763        return hosts;
4764    }
4765
4766    public Collection<String> getKnownConferenceHosts() {
4767        final Set<String> mucServers = new HashSet<>();
4768        for (final Account account : accounts) {
4769            if (account.getXmppConnection() != null) {
4770                mucServers.addAll(account.getXmppConnection().getMucServers());
4771                for (final Bookmark bookmark : account.getBookmarks()) {
4772                    final Jid jid = bookmark.getJid();
4773                    final String s = jid == null ? null : jid.getDomain().toEscapedString();
4774                    if (s != null) {
4775                        mucServers.add(s);
4776                    }
4777                }
4778            }
4779        }
4780        return mucServers;
4781    }
4782
4783    public void sendMessagePacket(Account account, MessagePacket packet) {
4784        final XmppConnection connection = account.getXmppConnection();
4785        if (connection != null) {
4786            connection.sendMessagePacket(packet);
4787        }
4788    }
4789
4790    public void sendPresencePacket(Account account, PresencePacket packet) {
4791        XmppConnection connection = account.getXmppConnection();
4792        if (connection != null) {
4793            connection.sendPresencePacket(packet);
4794        }
4795    }
4796
4797    public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
4798        final XmppConnection connection = account.getXmppConnection();
4799        if (connection != null) {
4800            IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
4801            connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener, true);
4802        }
4803    }
4804
4805    public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
4806        final XmppConnection connection = account.getXmppConnection();
4807        if (connection != null) {
4808            connection.sendIqPacket(packet, callback);
4809        } else if (callback != null) {
4810            callback.onIqPacketReceived(account, new IqPacket(IqPacket.TYPE.TIMEOUT));
4811        }
4812    }
4813
4814    public void sendPresence(final Account account) {
4815        sendPresence(account, checkListeners() && broadcastLastActivity());
4816    }
4817
4818    private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
4819        final Presence.Status status;
4820        if (manuallyChangePresence()) {
4821            status = account.getPresenceStatus();
4822        } else {
4823            status = getTargetPresence();
4824        }
4825        final PresencePacket packet = mPresenceGenerator.selfPresence(account, status);
4826        if (mLastActivity > 0 && includeIdleTimestamp) {
4827            long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
4828            packet.addChild("idle", Namespace.IDLE).setAttribute("since", AbstractGenerator.getTimestamp(since));
4829        }
4830        sendPresencePacket(account, packet);
4831    }
4832
4833    private void deactivateGracePeriod() {
4834        for (Account account : getAccounts()) {
4835            account.deactivateGracePeriod();
4836        }
4837    }
4838
4839    public void refreshAllPresences() {
4840        boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
4841        for (Account account : getAccounts()) {
4842            if (account.isConnectionEnabled()) {
4843                sendPresence(account, includeIdleTimestamp);
4844            }
4845        }
4846    }
4847
4848    private void refreshAllFcmTokens() {
4849        for (Account account : getAccounts()) {
4850            if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
4851                mPushManagementService.registerPushTokenOnServer(account);
4852            }
4853        }
4854    }
4855
4856
4857
4858    private void sendOfflinePresence(final Account account) {
4859        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending offline presence");
4860        sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
4861    }
4862
4863    public MessageGenerator getMessageGenerator() {
4864        return this.mMessageGenerator;
4865    }
4866
4867    public PresenceGenerator getPresenceGenerator() {
4868        return this.mPresenceGenerator;
4869    }
4870
4871    public IqGenerator getIqGenerator() {
4872        return this.mIqGenerator;
4873    }
4874
4875    public IqParser getIqParser() {
4876        return this.mIqParser;
4877    }
4878
4879    public JingleConnectionManager getJingleConnectionManager() {
4880        return this.mJingleConnectionManager;
4881    }
4882
4883    private boolean hasJingleRtpConnection(final Account account) {
4884        return this.mJingleConnectionManager.hasJingleRtpConnection(account);
4885    }
4886
4887    public MessageArchiveService getMessageArchiveService() {
4888        return this.mMessageArchiveService;
4889    }
4890
4891    public QuickConversationsService getQuickConversationsService() {
4892        return this.mQuickConversationsService;
4893    }
4894
4895    public List<Contact> findContacts(Jid jid, String accountJid) {
4896        ArrayList<Contact> contacts = new ArrayList<>();
4897        for (Account account : getAccounts()) {
4898            if ((account.isEnabled() || accountJid != null)
4899                    && (accountJid == null || accountJid.equals(account.getJid().asBareJid().toString()))) {
4900                Contact contact = account.getRoster().getContactFromContactList(jid);
4901                if (contact != null) {
4902                    contacts.add(contact);
4903                }
4904            }
4905        }
4906        return contacts;
4907    }
4908
4909    public Conversation findFirstMuc(Jid jid) {
4910        for (Conversation conversation : getConversations()) {
4911            if (conversation.getAccount().isEnabled() && conversation.getJid().asBareJid().equals(jid.asBareJid()) && conversation.getMode() == Conversation.MODE_MULTI) {
4912                return conversation;
4913            }
4914        }
4915        return null;
4916    }
4917
4918    public NotificationService getNotificationService() {
4919        return this.mNotificationService;
4920    }
4921
4922    public HttpConnectionManager getHttpConnectionManager() {
4923        return this.mHttpConnectionManager;
4924    }
4925
4926    public void resendFailedMessages(final Message message) {
4927        final Collection<Message> messages = new ArrayList<>();
4928        Message current = message;
4929        while (current.getStatus() == Message.STATUS_SEND_FAILED) {
4930            messages.add(current);
4931            if (current.mergeable(current.next())) {
4932                current = current.next();
4933            } else {
4934                break;
4935            }
4936        }
4937        for (final Message msg : messages) {
4938            msg.setTime(System.currentTimeMillis());
4939            markMessage(msg, Message.STATUS_WAITING);
4940            this.resendMessage(msg, false);
4941        }
4942        if (message.getConversation() instanceof Conversation) {
4943            ((Conversation) message.getConversation()).sort();
4944        }
4945        updateConversationUi();
4946    }
4947
4948    public void clearConversationHistory(final Conversation conversation) {
4949        final long clearDate;
4950        final String reference;
4951        if (conversation.countMessages() > 0) {
4952            Message latestMessage = conversation.getLatestMessage();
4953            clearDate = latestMessage.getTimeSent() + 1000;
4954            reference = latestMessage.getServerMsgId();
4955        } else {
4956            clearDate = System.currentTimeMillis();
4957            reference = null;
4958        }
4959        conversation.clearMessages();
4960        conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
4961        conversation.setLastClearHistory(clearDate, reference);
4962        Runnable runnable = () -> {
4963            databaseBackend.deleteMessagesInConversation(conversation);
4964            databaseBackend.updateConversation(conversation);
4965        };
4966        mDatabaseWriterExecutor.execute(runnable);
4967    }
4968
4969    public boolean sendBlockRequest(final Blockable blockable, final boolean reportSpam, final String serverMsgId) {
4970        if (blockable != null && blockable.getBlockedJid() != null) {
4971            final Jid jid = blockable.getBlockedJid();
4972            this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam, serverMsgId), (a, response) -> {
4973                if (response.getType() == IqPacket.TYPE.RESULT) {
4974                    a.getBlocklist().add(jid);
4975                    updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
4976                }
4977            });
4978            if (blockable.getBlockedJid().isFullJid()) {
4979                return false;
4980            } else if (removeBlockedConversations(blockable.getAccount(), jid)) {
4981                updateConversationUi();
4982                return true;
4983            } else {
4984                return false;
4985            }
4986        } else {
4987            return false;
4988        }
4989    }
4990
4991    public boolean removeBlockedConversations(final Account account, final Jid blockedJid) {
4992        boolean removed = false;
4993        synchronized (this.conversations) {
4994            boolean domainJid = blockedJid.getLocal() == null;
4995            for (Conversation conversation : this.conversations) {
4996                boolean jidMatches = (domainJid && blockedJid.getDomain().equals(conversation.getJid().getDomain()))
4997                        || blockedJid.equals(conversation.getJid().asBareJid());
4998                if (conversation.getAccount() == account
4999                        && conversation.getMode() == Conversation.MODE_SINGLE
5000                        && jidMatches) {
5001                    this.conversations.remove(conversation);
5002                    markRead(conversation);
5003                    conversation.setStatus(Conversation.STATUS_ARCHIVED);
5004                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conversation " + conversation.getJid().asBareJid() + " because jid was blocked");
5005                    updateConversation(conversation);
5006                    removed = true;
5007                }
5008            }
5009        }
5010        return removed;
5011    }
5012
5013    public void sendUnblockRequest(final Blockable blockable) {
5014        if (blockable != null && blockable.getJid() != null) {
5015            final Jid jid = blockable.getBlockedJid();
5016            this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
5017                @Override
5018                public void onIqPacketReceived(final Account account, final IqPacket packet) {
5019                    if (packet.getType() == IqPacket.TYPE.RESULT) {
5020                        account.getBlocklist().remove(jid);
5021                        updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
5022                    }
5023                }
5024            });
5025        }
5026    }
5027
5028    public void publishDisplayName(Account account) {
5029        String displayName = account.getDisplayName();
5030        final IqPacket request;
5031        if (TextUtils.isEmpty(displayName)) {
5032            request = mIqGenerator.deleteNode(Namespace.NICK);
5033        } else {
5034            request = mIqGenerator.publishNick(displayName);
5035        }
5036        mAvatarService.clear(account);
5037        sendIqPacket(account, request, (account1, packet) -> {
5038            if (packet.getType() == IqPacket.TYPE.ERROR) {
5039                Log.d(Config.LOGTAG, account1.getJid().asBareJid() + ": unable to modify nick name " + packet);
5040            }
5041        });
5042    }
5043
5044    public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
5045        ServiceDiscoveryResult result = discoCache.get(key);
5046        if (result != null) {
5047            return result;
5048        } else {
5049            result = databaseBackend.findDiscoveryResult(key.first, key.second);
5050            if (result != null) {
5051                discoCache.put(key, result);
5052            }
5053            return result;
5054        }
5055    }
5056
5057    public void fetchCaps(Account account, final Jid jid, final Presence presence) {
5058        final Pair<String, String> key = new Pair<>(presence.getHash(), presence.getVer());
5059        final ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
5060        if (disco != null) {
5061            presence.setServiceDiscoveryResult(disco);
5062            final Contact contact = account.getRoster().getContact(jid);
5063            if (contact.refreshRtpCapability()) {
5064                syncRoster(account);
5065            }
5066        } else {
5067            final IqPacket request = new IqPacket(IqPacket.TYPE.GET);
5068            request.setTo(jid);
5069            final String node = presence.getNode();
5070            final String ver = presence.getVer();
5071            final Element query = request.query(Namespace.DISCO_INFO);
5072            if (node != null && ver != null) {
5073                query.setAttribute("node", node + "#" + ver);
5074            }
5075            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": making disco request for " + key.second + " to " + jid);
5076            sendIqPacket(account, request, (a, response) -> {
5077                if (response.getType() == IqPacket.TYPE.RESULT) {
5078                    final ServiceDiscoveryResult discoveryResult = new ServiceDiscoveryResult(response);
5079                    if (presence.getVer().equals(discoveryResult.getVer())) {
5080                        databaseBackend.insertDiscoveryResult(discoveryResult);
5081                        injectServiceDiscoveryResult(a.getRoster(), presence.getHash(), presence.getVer(), discoveryResult);
5082                    } else {
5083                        Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + discoveryResult.getVer());
5084                    }
5085                } else {
5086                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to fetch caps from " + jid);
5087                }
5088            });
5089        }
5090    }
5091
5092    private void injectServiceDiscoveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
5093        boolean rosterNeedsSync = false;
5094        for (final Contact contact : roster.getContacts()) {
5095            boolean serviceDiscoverySet = false;
5096            for (final Presence presence : contact.getPresences().getPresences()) {
5097                if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
5098                    presence.setServiceDiscoveryResult(disco);
5099                    serviceDiscoverySet = true;
5100                }
5101            }
5102            if (serviceDiscoverySet) {
5103                rosterNeedsSync |= contact.refreshRtpCapability();
5104            }
5105        }
5106        if (rosterNeedsSync) {
5107            syncRoster(roster.getAccount());
5108        }
5109    }
5110
5111    public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
5112        final MessageArchiveService.Version version = MessageArchiveService.Version.get(account);
5113        IqPacket request = new IqPacket(IqPacket.TYPE.GET);
5114        request.addChild("prefs", version.namespace);
5115        sendIqPacket(account, request, (account1, packet) -> {
5116            Element prefs = packet.findChild("prefs", version.namespace);
5117            if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
5118                callback.onPreferencesFetched(prefs);
5119            } else {
5120                callback.onPreferencesFetchFailed();
5121            }
5122        });
5123    }
5124
5125    public PushManagementService getPushManagementService() {
5126        return mPushManagementService;
5127    }
5128
5129    public void changeStatus(Account account, PresenceTemplate template, String signature) {
5130        if (!template.getStatusMessage().isEmpty()) {
5131            databaseBackend.insertPresenceTemplate(template);
5132        }
5133        account.setPgpSignature(signature);
5134        account.setPresenceStatus(template.getStatus());
5135        account.setPresenceStatusMessage(template.getStatusMessage());
5136        databaseBackend.updateAccount(account);
5137        sendPresence(account);
5138    }
5139
5140    public List<PresenceTemplate> getPresenceTemplates(Account account) {
5141        List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
5142        for (PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
5143            if (!templates.contains(template)) {
5144                templates.add(0, template);
5145            }
5146        }
5147        return templates;
5148    }
5149
5150    public void saveConversationAsBookmark(final Conversation conversation, final String name) {
5151        final Account account = conversation.getAccount();
5152        final Bookmark bookmark = new Bookmark(account, conversation.getJid().asBareJid());
5153        final String nick = conversation.getJid().getResource();
5154        if (nick != null && !nick.isEmpty() && !nick.equals(MucOptions.defaultNick(account))) {
5155            bookmark.setNick(nick);
5156        }
5157        if (!TextUtils.isEmpty(name)) {
5158            bookmark.setBookmarkName(name);
5159        }
5160        bookmark.setAutojoin(true);
5161        createBookmark(account, bookmark);
5162        bookmark.setConversation(conversation);
5163    }
5164
5165    public boolean verifyFingerprints(Contact contact, List<XmppUri.Fingerprint> fingerprints) {
5166        boolean performedVerification = false;
5167        final AxolotlService axolotlService = contact.getAccount().getAxolotlService();
5168        for (XmppUri.Fingerprint fp : fingerprints) {
5169            if (fp.type == XmppUri.FingerprintType.OMEMO) {
5170                String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
5171                FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
5172                if (fingerprintStatus != null) {
5173                    if (!fingerprintStatus.isVerified()) {
5174                        performedVerification = true;
5175                        axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
5176                    }
5177                } else {
5178                    axolotlService.preVerifyFingerprint(contact, fingerprint);
5179                }
5180            }
5181        }
5182        return performedVerification;
5183    }
5184
5185    public boolean verifyFingerprints(Account account, List<XmppUri.Fingerprint> fingerprints) {
5186        final AxolotlService axolotlService = account.getAxolotlService();
5187        boolean verifiedSomething = false;
5188        for (XmppUri.Fingerprint fp : fingerprints) {
5189            if (fp.type == XmppUri.FingerprintType.OMEMO) {
5190                String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
5191                Log.d(Config.LOGTAG, "trying to verify own fp=" + fingerprint);
5192                FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
5193                if (fingerprintStatus != null) {
5194                    if (!fingerprintStatus.isVerified()) {
5195                        axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
5196                        verifiedSomething = true;
5197                    }
5198                } else {
5199                    axolotlService.preVerifyFingerprint(account, fingerprint);
5200                    verifiedSomething = true;
5201                }
5202            }
5203        }
5204        return verifiedSomething;
5205    }
5206
5207    public boolean blindTrustBeforeVerification() {
5208        return getBooleanPreference(AppSettings.BLIND_TRUST_BEFORE_VERIFICATION, R.bool.btbv);
5209    }
5210
5211    public ShortcutService getShortcutService() {
5212        return mShortcutService;
5213    }
5214
5215    public void pushMamPreferences(Account account, Element prefs) {
5216        IqPacket set = new IqPacket(IqPacket.TYPE.SET);
5217        set.addChild(prefs);
5218        sendIqPacket(account, set, null);
5219    }
5220
5221    public void evictPreview(String uuid) {
5222        if (mBitmapCache.remove(uuid) != null) {
5223            Log.d(Config.LOGTAG, "deleted cached preview");
5224        }
5225    }
5226
5227    public interface OnMamPreferencesFetched {
5228        void onPreferencesFetched(Element prefs);
5229
5230        void onPreferencesFetchFailed();
5231    }
5232
5233    public interface OnAccountCreated {
5234        void onAccountCreated(Account account);
5235
5236        void informUser(int r);
5237    }
5238
5239    public interface OnMoreMessagesLoaded {
5240        void onMoreMessagesLoaded(int count, Conversation conversation);
5241
5242        void informUser(int r);
5243    }
5244
5245    public interface OnAccountPasswordChanged {
5246        void onPasswordChangeSucceeded();
5247
5248        void onPasswordChangeFailed();
5249    }
5250
5251    public interface OnRoomDestroy {
5252        void onRoomDestroySucceeded();
5253
5254        void onRoomDestroyFailed();
5255    }
5256
5257    public interface OnAffiliationChanged {
5258        void onAffiliationChangedSuccessful(Jid jid);
5259
5260        void onAffiliationChangeFailed(Jid jid, int resId);
5261    }
5262
5263    public interface OnConversationUpdate {
5264        void onConversationUpdate();
5265    }
5266
5267    public interface OnJingleRtpConnectionUpdate {
5268        void onJingleRtpConnectionUpdate(final Account account, final Jid with, final String sessionId, final RtpEndUserState state);
5269
5270        void onAudioDeviceChanged(CallIntegration.AudioDevice selectedAudioDevice, Set<CallIntegration.AudioDevice> availableAudioDevices);
5271    }
5272
5273    public interface OnAccountUpdate {
5274        void onAccountUpdate();
5275    }
5276
5277    public interface OnCaptchaRequested {
5278        void onCaptchaRequested(Account account, String id, Data data, Bitmap captcha);
5279    }
5280
5281    public interface OnRosterUpdate {
5282        void onRosterUpdate();
5283    }
5284
5285    public interface OnMucRosterUpdate {
5286        void onMucRosterUpdate();
5287    }
5288
5289    public interface OnConferenceConfigurationFetched {
5290        void onConferenceConfigurationFetched(Conversation conversation);
5291
5292        void onFetchFailed(Conversation conversation, String errorCondition);
5293    }
5294
5295    public interface OnConferenceJoined {
5296        void onConferenceJoined(Conversation conversation);
5297    }
5298
5299    public interface OnConfigurationPushed {
5300        void onPushSucceeded();
5301
5302        void onPushFailed();
5303    }
5304
5305    public interface OnShowErrorToast {
5306        void onShowErrorToast(int resId);
5307    }
5308
5309    public class XmppConnectionBinder extends Binder {
5310        public XmppConnectionService getService() {
5311            return XmppConnectionService.this;
5312        }
5313    }
5314
5315    private class InternalEventReceiver extends BroadcastReceiver {
5316
5317        @Override
5318        public void onReceive(final Context context, final Intent intent) {
5319            onStartCommand(intent, 0, 0);
5320        }
5321    }
5322
5323    private class RestrictedEventReceiver extends BroadcastReceiver {
5324
5325        private final Collection<String> allowedActions;
5326
5327        private RestrictedEventReceiver(final Collection<String> allowedActions) {
5328            this.allowedActions = allowedActions;
5329        }
5330
5331        @Override
5332        public void onReceive(final Context context, final Intent intent) {
5333            final String action = intent == null ? null : intent.getAction();
5334            if (allowedActions.contains(action)) {
5335                onStartCommand(intent,0,0);
5336            } else {
5337                Log.e(Config.LOGTAG,"restricting broadcast of event "+action);
5338            }
5339        }
5340    }
5341
5342    public static class OngoingCall {
5343        public final AbstractJingleConnection.Id id;
5344        public final Set<Media> media;
5345        public final boolean reconnecting;
5346
5347        public OngoingCall(AbstractJingleConnection.Id id, Set<Media> media, final boolean reconnecting) {
5348            this.id = id;
5349            this.media = media;
5350            this.reconnecting = reconnecting;
5351        }
5352
5353        @Override
5354        public boolean equals(Object o) {
5355            if (this == o) return true;
5356            if (o == null || getClass() != o.getClass()) return false;
5357            OngoingCall that = (OngoingCall) o;
5358            return reconnecting == that.reconnecting && Objects.equal(id, that.id) && Objects.equal(media, that.media);
5359        }
5360
5361        @Override
5362        public int hashCode() {
5363            return Objects.hashCode(id, media, reconnecting);
5364        }
5365    }
5366
5367    public static void toggleForegroundService(final XmppConnectionService service) {
5368        if (service == null) {
5369            return;
5370        }
5371        service.toggleForegroundService();
5372    }
5373
5374    public static void toggleForegroundService(final ConversationsActivity activity) {
5375        if (activity == null) {
5376            return;
5377        }
5378        toggleForegroundService(activity.xmppConnectionService);
5379    }
5380}