XmppConnectionService.java

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