XmppConnectionService.java

   1package eu.siacs.conversations.services;
   2
   3import static eu.siacs.conversations.utils.Compatibility.s;
   4
   5import android.Manifest;
   6import android.annotation.SuppressLint;
   7import android.annotation.TargetApi;
   8import android.app.AlarmManager;
   9import android.app.KeyguardManager;
  10import android.app.Notification;
  11import android.app.NotificationManager;
  12import android.app.PendingIntent;
  13import android.app.Service;
  14import android.content.BroadcastReceiver;
  15import android.content.ComponentName;
  16import android.content.Context;
  17import android.content.Intent;
  18import android.content.IntentFilter;
  19import android.content.SharedPreferences;
  20import android.content.pm.PackageManager;
  21import android.database.ContentObserver;
  22import android.graphics.Bitmap;
  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.annotation.NonNull;
  51import androidx.core.app.RemoteInput;
  52import androidx.core.content.ContextCompat;
  53
  54import com.google.common.base.Objects;
  55import com.google.common.base.Strings;
  56
  57import org.conscrypt.Conscrypt;
  58import org.openintents.openpgp.IOpenPgpService2;
  59import org.openintents.openpgp.util.OpenPgpApi;
  60import org.openintents.openpgp.util.OpenPgpServiceConnection;
  61
  62import java.io.File;
  63import java.security.SecureRandom;
  64import java.security.Security;
  65import java.security.cert.CertificateException;
  66import java.security.cert.X509Certificate;
  67import java.util.ArrayList;
  68import java.util.Arrays;
  69import java.util.Collection;
  70import java.util.Collections;
  71import java.util.HashSet;
  72import java.util.Hashtable;
  73import java.util.Iterator;
  74import java.util.List;
  75import java.util.ListIterator;
  76import java.util.Map;
  77import java.util.Set;
  78import java.util.WeakHashMap;
  79import java.util.concurrent.CopyOnWriteArrayList;
  80import java.util.concurrent.CountDownLatch;
  81import java.util.concurrent.Executor;
  82import java.util.concurrent.Executors;
  83import java.util.concurrent.atomic.AtomicBoolean;
  84import java.util.concurrent.atomic.AtomicLong;
  85import java.util.concurrent.atomic.AtomicReference;
  86
  87import eu.siacs.conversations.Config;
  88import eu.siacs.conversations.R;
  89import eu.siacs.conversations.android.JabberIdContact;
  90import eu.siacs.conversations.crypto.OmemoSetting;
  91import eu.siacs.conversations.crypto.PgpDecryptionService;
  92import eu.siacs.conversations.crypto.PgpEngine;
  93import eu.siacs.conversations.crypto.axolotl.AxolotlService;
  94import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
  95import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
  96import eu.siacs.conversations.entities.Account;
  97import eu.siacs.conversations.entities.Blockable;
  98import eu.siacs.conversations.entities.Bookmark;
  99import eu.siacs.conversations.entities.Contact;
 100import eu.siacs.conversations.entities.Conversation;
 101import eu.siacs.conversations.entities.Conversational;
 102import eu.siacs.conversations.entities.Message;
 103import eu.siacs.conversations.entities.MucOptions;
 104import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
 105import eu.siacs.conversations.entities.Presence;
 106import eu.siacs.conversations.entities.PresenceTemplate;
 107import eu.siacs.conversations.entities.Roster;
 108import eu.siacs.conversations.entities.ServiceDiscoveryResult;
 109import eu.siacs.conversations.generator.AbstractGenerator;
 110import eu.siacs.conversations.generator.IqGenerator;
 111import eu.siacs.conversations.generator.MessageGenerator;
 112import eu.siacs.conversations.generator.PresenceGenerator;
 113import eu.siacs.conversations.http.HttpConnectionManager;
 114import eu.siacs.conversations.parser.AbstractParser;
 115import eu.siacs.conversations.parser.IqParser;
 116import eu.siacs.conversations.parser.MessageParser;
 117import eu.siacs.conversations.parser.PresenceParser;
 118import eu.siacs.conversations.persistance.DatabaseBackend;
 119import eu.siacs.conversations.persistance.FileBackend;
 120import eu.siacs.conversations.ui.ChooseAccountForProfilePictureActivity;
 121import eu.siacs.conversations.ui.RtpSessionActivity;
 122import eu.siacs.conversations.ui.SettingsActivity;
 123import eu.siacs.conversations.ui.UiCallback;
 124import eu.siacs.conversations.ui.interfaces.OnAvatarPublication;
 125import eu.siacs.conversations.ui.interfaces.OnMediaLoaded;
 126import eu.siacs.conversations.ui.interfaces.OnSearchResultsAvailable;
 127import eu.siacs.conversations.utils.Compatibility;
 128import eu.siacs.conversations.utils.ConversationsFileObserver;
 129import eu.siacs.conversations.utils.CryptoHelper;
 130import eu.siacs.conversations.utils.EasyOnboardingInvite;
 131import eu.siacs.conversations.utils.ExceptionHelper;
 132import eu.siacs.conversations.utils.MimeUtils;
 133import eu.siacs.conversations.utils.PhoneHelper;
 134import eu.siacs.conversations.utils.QuickLoader;
 135import eu.siacs.conversations.utils.ReplacingSerialSingleThreadExecutor;
 136import eu.siacs.conversations.utils.ReplacingTaskManager;
 137import eu.siacs.conversations.utils.Resolver;
 138import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
 139import eu.siacs.conversations.utils.StringUtils;
 140import eu.siacs.conversations.utils.TorServiceUtils;
 141import eu.siacs.conversations.utils.WakeLockHelper;
 142import eu.siacs.conversations.utils.XmppUri;
 143import eu.siacs.conversations.xml.Element;
 144import eu.siacs.conversations.xml.LocalizedContent;
 145import eu.siacs.conversations.xml.Namespace;
 146import eu.siacs.conversations.xmpp.Jid;
 147import eu.siacs.conversations.xmpp.OnBindListener;
 148import eu.siacs.conversations.xmpp.OnContactStatusChanged;
 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 PhoneStateListener phoneStateListener = new PhoneStateListener() {
 290        @Override
 291        public void onCallStateChanged(final int state, final String phoneNumber) {
 292            isPhoneInCall.set(state != TelephonyManager.CALL_STATE_IDLE);
 293            if (state == TelephonyManager.CALL_STATE_OFFHOOK) {
 294                mJingleConnectionManager.notifyPhoneCallStarted();
 295            }
 296        }
 297    };
 298
 299    private boolean destroyed = false;
 300
 301    private int unreadCount = -1;
 302
 303    //Ui callback listeners
 304    private final Set<OnConversationUpdate> mOnConversationUpdates = Collections.newSetFromMap(new WeakHashMap<OnConversationUpdate, Boolean>());
 305    private final Set<OnShowErrorToast> mOnShowErrorToasts = Collections.newSetFromMap(new WeakHashMap<OnShowErrorToast, Boolean>());
 306    private final Set<OnAccountUpdate> mOnAccountUpdates = Collections.newSetFromMap(new WeakHashMap<OnAccountUpdate, Boolean>());
 307    private final Set<OnCaptchaRequested> mOnCaptchaRequested = Collections.newSetFromMap(new WeakHashMap<OnCaptchaRequested, Boolean>());
 308    private final Set<OnRosterUpdate> mOnRosterUpdates = Collections.newSetFromMap(new WeakHashMap<OnRosterUpdate, Boolean>());
 309    private final Set<OnUpdateBlocklist> mOnUpdateBlocklist = Collections.newSetFromMap(new WeakHashMap<OnUpdateBlocklist, Boolean>());
 310    private final Set<OnMucRosterUpdate> mOnMucRosterUpdate = Collections.newSetFromMap(new WeakHashMap<OnMucRosterUpdate, Boolean>());
 311    private final Set<OnKeyStatusUpdated> mOnKeyStatusUpdated = Collections.newSetFromMap(new WeakHashMap<OnKeyStatusUpdated, Boolean>());
 312    private final Set<OnJingleRtpConnectionUpdate> onJingleRtpConnectionUpdate = Collections.newSetFromMap(new WeakHashMap<OnJingleRtpConnectionUpdate, Boolean>());
 313
 314    private final Object LISTENER_LOCK = new Object();
 315
 316
 317    public final Set<String> FILENAMES_TO_IGNORE_DELETION = new HashSet<>();
 318
 319
 320    private final OnBindListener mOnBindListener = new OnBindListener() {
 321
 322        @Override
 323        public void onBind(final Account account) {
 324            synchronized (mInProgressAvatarFetches) {
 325                for (Iterator<String> iterator = mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
 326                    final String KEY = iterator.next();
 327                    if (KEY.startsWith(account.getJid().asBareJid() + "_")) {
 328                        iterator.remove();
 329                    }
 330                }
 331            }
 332            boolean loggedInSuccessfully = account.setOption(Account.OPTION_LOGGED_IN_SUCCESSFULLY, true);
 333            boolean gainedFeature = account.setOption(Account.OPTION_HTTP_UPLOAD_AVAILABLE, account.getXmppConnection().getFeatures().httpUpload(0));
 334            if (loggedInSuccessfully || gainedFeature) {
 335                databaseBackend.updateAccount(account);
 336            }
 337
 338            if (loggedInSuccessfully) {
 339                if (!TextUtils.isEmpty(account.getDisplayName())) {
 340                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": display name wasn't empty on first log in. publishing");
 341                    publishDisplayName(account);
 342                }
 343            }
 344
 345            account.getRoster().clearPresences();
 346            synchronized (account.inProgressConferenceJoins) {
 347                account.inProgressConferenceJoins.clear();
 348            }
 349            synchronized (account.inProgressConferencePings) {
 350                account.inProgressConferencePings.clear();
 351            }
 352            mJingleConnectionManager.notifyRebound(account);
 353            mQuickConversationsService.considerSyncBackground(false);
 354            fetchRosterFromServer(account);
 355
 356            final XmppConnection connection = account.getXmppConnection();
 357
 358            if (connection.getFeatures().bookmarks2()) {
 359                fetchBookmarks2(account);
 360            } else if (!account.getXmppConnection().getFeatures().bookmarksConversion()) {
 361                fetchBookmarks(account);
 362            }
 363            final boolean flexible = account.getXmppConnection().getFeatures().flexibleOfflineMessageRetrieval();
 364            final boolean catchup = getMessageArchiveService().inCatchup(account);
 365            if (flexible && catchup && account.getXmppConnection().isMamPreferenceAlways()) {
 366                sendIqPacket(account, mIqGenerator.purgeOfflineMessages(), (acc, packet) -> {
 367                    if (packet.getType() == IqPacket.TYPE.RESULT) {
 368                        Log.d(Config.LOGTAG, acc.getJid().asBareJid() + ": successfully purged offline messages");
 369                    }
 370                });
 371            }
 372            sendPresence(account);
 373            if (mPushManagementService.available(account)) {
 374                mPushManagementService.registerPushTokenOnServer(account);
 375            }
 376            connectMultiModeConversations(account);
 377            syncDirtyContacts(account);
 378
 379        }
 380    };
 381    private final AtomicLong mLastExpiryRun = new AtomicLong(0);
 382    private SecureRandom mRandom;
 383    private final LruCache<Pair<String, String>, ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 384    private final OnStatusChanged statusListener = new OnStatusChanged() {
 385
 386        @Override
 387        public void onStatusChanged(final Account account) {
 388            XmppConnection connection = account.getXmppConnection();
 389            updateAccountUi();
 390
 391            if (account.getStatus() == Account.State.ONLINE || account.getStatus().isError()) {
 392                mQuickConversationsService.signalAccountStateChange();
 393            }
 394
 395            if (account.getStatus() == Account.State.ONLINE) {
 396                synchronized (mLowPingTimeoutMode) {
 397                    if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 398                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 399                    }
 400                }
 401                if (account.setShowErrorNotification(true)) {
 402                    databaseBackend.updateAccount(account);
 403                }
 404                mMessageArchiveService.executePendingQueries(account);
 405                if (connection != null && connection.getFeatures().csi()) {
 406                    if (checkListeners()) {
 407                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//inactive");
 408                        connection.sendInactive();
 409                    } else {
 410                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//active");
 411                        connection.sendActive();
 412                    }
 413                }
 414                List<Conversation> conversations = getConversations();
 415                for (Conversation conversation : conversations) {
 416                    final boolean inProgressJoin;
 417                    synchronized (account.inProgressConferenceJoins) {
 418                        inProgressJoin = account.inProgressConferenceJoins.contains(conversation);
 419                    }
 420                    final boolean pendingJoin;
 421                    synchronized (account.pendingConferenceJoins) {
 422                        pendingJoin = account.pendingConferenceJoins.contains(conversation);
 423                    }
 424                    if (conversation.getAccount() == account
 425                            && !pendingJoin
 426                            && !inProgressJoin) {
 427                        sendUnsentMessages(conversation);
 428                    }
 429                }
 430                final List<Conversation> pendingLeaves;
 431                synchronized (account.pendingConferenceLeaves) {
 432                    pendingLeaves = new ArrayList<>(account.pendingConferenceLeaves);
 433                    account.pendingConferenceLeaves.clear();
 434
 435                }
 436                for (Conversation conversation : pendingLeaves) {
 437                    leaveMuc(conversation);
 438                }
 439                final List<Conversation> pendingJoins;
 440                synchronized (account.pendingConferenceJoins) {
 441                    pendingJoins = new ArrayList<>(account.pendingConferenceJoins);
 442                    account.pendingConferenceJoins.clear();
 443                }
 444                for (Conversation conversation : pendingJoins) {
 445                    joinMuc(conversation);
 446                }
 447                scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 448            } else if (account.getStatus() == Account.State.OFFLINE || account.getStatus() == Account.State.DISABLED) {
 449                resetSendingToWaiting(account);
 450                if (account.isEnabled() && isInLowPingTimeoutMode(account)) {
 451                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": went into offline state during low ping mode. reconnecting now");
 452                    reconnectAccount(account, true, false);
 453                } else {
 454                    int timeToReconnect = mRandom.nextInt(10) + 2;
 455                    scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 456                }
 457            } else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 458                databaseBackend.updateAccount(account);
 459                reconnectAccount(account, true, false);
 460            } else if (account.getStatus() != Account.State.CONNECTING && account.getStatus() != Account.State.NO_INTERNET) {
 461                resetSendingToWaiting(account);
 462                if (connection != null && account.getStatus().isAttemptReconnect()) {
 463                    final int next = connection.getTimeToNextAttempt();
 464                    final boolean lowPingTimeoutMode = isInLowPingTimeoutMode(account);
 465                    if (next <= 0) {
 466                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. reconnecting now. lowPingTimeout=" + lowPingTimeoutMode);
 467                        reconnectAccount(account, true, false);
 468                    } else {
 469                        final int attempt = connection.getAttempt() + 1;
 470                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. try again in " + next + "s for the " + attempt + " time. lowPingTimeout=" + lowPingTimeoutMode);
 471                        scheduleWakeUpCall(next, account.getUuid().hashCode());
 472                    }
 473                }
 474            }
 475            getNotificationService().updateErrorNotification();
 476        }
 477    };
 478    private OpenPgpServiceConnection pgpServiceConnection;
 479    private PgpEngine mPgpEngine = null;
 480    private WakeLock wakeLock;
 481    private LruCache<String, Bitmap> mBitmapCache;
 482    private final BroadcastReceiver mInternalEventReceiver = new InternalEventReceiver();
 483    private final BroadcastReceiver mInternalScreenEventReceiver = new InternalEventReceiver();
 484
 485    private static String generateFetchKey(Account account, final Avatar avatar) {
 486        return account.getJid().asBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 487    }
 488
 489    private boolean isInLowPingTimeoutMode(Account account) {
 490        synchronized (mLowPingTimeoutMode) {
 491            return mLowPingTimeoutMode.contains(account.getJid().asBareJid());
 492        }
 493    }
 494
 495    public void startForcingForegroundNotification() {
 496        mForceForegroundService.set(true);
 497        toggleForegroundService();
 498    }
 499
 500    public void stopForcingForegroundNotification() {
 501        mForceForegroundService.set(false);
 502        toggleForegroundService();
 503    }
 504
 505    public boolean areMessagesInitialized() {
 506        return this.restoredFromDatabaseLatch.getCount() == 0;
 507    }
 508
 509    public PgpEngine getPgpEngine() {
 510        if (!Config.supportOpenPgp()) {
 511            return null;
 512        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 513            if (this.mPgpEngine == null) {
 514                this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 515                        getApplicationContext(),
 516                        pgpServiceConnection.getService()), this);
 517            }
 518            return mPgpEngine;
 519        } else {
 520            return null;
 521        }
 522
 523    }
 524
 525    public OpenPgpApi getOpenPgpApi() {
 526        if (!Config.supportOpenPgp()) {
 527            return null;
 528        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 529            return new OpenPgpApi(this, pgpServiceConnection.getService());
 530        } else {
 531            return null;
 532        }
 533    }
 534
 535    public FileBackend getFileBackend() {
 536        return this.fileBackend;
 537    }
 538
 539    public AvatarService getAvatarService() {
 540        return this.mAvatarService;
 541    }
 542
 543    public void attachLocationToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 544        int encryption = conversation.getNextEncryption();
 545        if (encryption == Message.ENCRYPTION_PGP) {
 546            encryption = Message.ENCRYPTION_DECRYPTED;
 547        }
 548        Message message = new Message(conversation, uri.toString(), encryption);
 549        Message.configurePrivateMessage(message);
 550        if (encryption == Message.ENCRYPTION_DECRYPTED) {
 551            getPgpEngine().encrypt(message, callback);
 552        } else {
 553            sendMessage(message);
 554            callback.success(message);
 555        }
 556    }
 557
 558    public void attachFileToConversation(final Conversation conversation, final Uri uri, final String type, final UiCallback<Message> callback) {
 559        final Message message;
 560        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 561            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 562        } else {
 563            message = new Message(conversation, "", conversation.getNextEncryption());
 564        }
 565        if (!Message.configurePrivateFileMessage(message)) {
 566            message.setCounterpart(conversation.getNextCounterpart());
 567            message.setType(Message.TYPE_FILE);
 568        }
 569        Log.d(Config.LOGTAG, "attachFile: type=" + message.getType());
 570        Log.d(Config.LOGTAG, "counterpart=" + message.getCounterpart());
 571        final AttachFileToConversationRunnable runnable = new AttachFileToConversationRunnable(this, uri, type, message, callback);
 572        if (runnable.isVideoMessage()) {
 573            VIDEO_COMPRESSION_EXECUTOR.execute(runnable);
 574        } else {
 575            FILE_ATTACHMENT_EXECUTOR.execute(runnable);
 576        }
 577    }
 578
 579    public void attachImageToConversation(final Conversation conversation, final Uri uri,  final String type, final UiCallback<Message> callback) {
 580        final String mimeType = MimeUtils.guessMimeTypeFromUriAndMime(this, uri, type);
 581        final String compressPictures = getCompressPicturesPreference();
 582
 583        if ("never".equals(compressPictures)
 584                || ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))
 585                || (mimeType != null && mimeType.endsWith("/gif"))
 586                || getFileBackend().unusualBounds(uri)) {
 587            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": not compressing picture. sending as file");
 588            attachFileToConversation(conversation, uri, mimeType, callback);
 589            return;
 590        }
 591        final Message message;
 592        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 593            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 594        } else {
 595            message = new Message(conversation, "", conversation.getNextEncryption());
 596        }
 597        if (!Message.configurePrivateFileMessage(message)) {
 598            message.setCounterpart(conversation.getNextCounterpart());
 599            message.setType(Message.TYPE_IMAGE);
 600        }
 601        Log.d(Config.LOGTAG, "attachImage: type=" + message.getType());
 602        FILE_ATTACHMENT_EXECUTOR.execute(() -> {
 603            try {
 604                getFileBackend().copyImageToPrivateStorage(message, uri);
 605            } catch (FileBackend.ImageCompressionException e) {
 606                Log.d(Config.LOGTAG, "unable to compress image. fall back to file transfer", e);
 607                attachFileToConversation(conversation, uri, mimeType, callback);
 608                return;
 609            } catch (final FileBackend.FileCopyException e) {
 610                callback.error(e.getResId(), message);
 611                return;
 612            }
 613            if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 614                final PgpEngine pgpEngine = getPgpEngine();
 615                if (pgpEngine != null) {
 616                    pgpEngine.encrypt(message, callback);
 617                } else if (callback != null) {
 618                    callback.error(R.string.unable_to_connect_to_keychain, null);
 619                }
 620            } else {
 621                sendMessage(message);
 622                callback.success(message);
 623            }
 624        });
 625    }
 626
 627    public Conversation find(Bookmark bookmark) {
 628        return find(bookmark.getAccount(), bookmark.getJid());
 629    }
 630
 631    public Conversation find(final Account account, final Jid jid) {
 632        return find(getConversations(), account, jid);
 633    }
 634
 635    public boolean isMuc(final Account account, final Jid jid) {
 636        final Conversation c = find(account, jid);
 637        return c != null && c.getMode() == Conversational.MODE_MULTI;
 638    }
 639
 640    public void search(final List<String> term, final String uuid, final OnSearchResultsAvailable onSearchResultsAvailable) {
 641        MessageSearchTask.search(this, term, uuid, onSearchResultsAvailable);
 642    }
 643
 644    @Override
 645    public int onStartCommand(Intent intent, int flags, int startId) {
 646        final String action = intent == null ? null : intent.getAction();
 647        final boolean needsForegroundService = intent != null && intent.getBooleanExtra(EventReceiver.EXTRA_NEEDS_FOREGROUND_SERVICE, false);
 648        if (needsForegroundService) {
 649            Log.d(Config.LOGTAG, "toggle forced foreground service after receiving event (action=" + action + ")");
 650            toggleForegroundService(true);
 651        }
 652        String pushedAccountHash = null;
 653        boolean interactive = false;
 654        if (action != null) {
 655            final String uuid = intent.getStringExtra("uuid");
 656            switch (action) {
 657                case QuickConversationsService.SMS_RETRIEVED_ACTION:
 658                    mQuickConversationsService.handleSmsReceived(intent);
 659                    break;
 660                case ConnectivityManager.CONNECTIVITY_ACTION:
 661                    if (hasInternetConnection()) {
 662                        if (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0) {
 663                            schedulePostConnectivityChange();
 664                        }
 665                        if (Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 666                            resetAllAttemptCounts(true, false);
 667                        }
 668                        Resolver.clearCache();
 669                    }
 670                    break;
 671                case Intent.ACTION_SHUTDOWN:
 672                    logoutAndSave(true);
 673                    return START_NOT_STICKY;
 674                case ACTION_CLEAR_MESSAGE_NOTIFICATION:
 675                    mNotificationExecutor.execute(() -> {
 676                        try {
 677                            final Conversation c = findConversationByUuid(uuid);
 678                            if (c != null) {
 679                                mNotificationService.clearMessages(c);
 680                            } else {
 681                                mNotificationService.clearMessages();
 682                            }
 683                            restoredFromDatabaseLatch.await();
 684
 685                        } catch (InterruptedException e) {
 686                            Log.d(Config.LOGTAG, "unable to process clear message notification");
 687                        }
 688                    });
 689                    break;
 690                case ACTION_CLEAR_MISSED_CALL_NOTIFICATION:
 691                    mNotificationExecutor.execute(() -> {
 692                        try {
 693                            final Conversation c = findConversationByUuid(uuid);
 694                            if (c != null) {
 695                                mNotificationService.clearMissedCalls(c);
 696                            } else {
 697                                mNotificationService.clearMissedCalls();
 698                            }
 699                            restoredFromDatabaseLatch.await();
 700
 701                        } catch (InterruptedException e) {
 702                            Log.d(Config.LOGTAG, "unable to process clear missed call notification");
 703                        }
 704                    });
 705                    break;
 706                case ACTION_DISMISS_CALL: {
 707                    final String sessionId = intent.getStringExtra(RtpSessionActivity.EXTRA_SESSION_ID);
 708                    Log.d(Config.LOGTAG, "received intent to dismiss call with session id " + sessionId);
 709                    mJingleConnectionManager.rejectRtpSession(sessionId);
 710                    break;
 711                }
 712                case TorServiceUtils.ACTION_STATUS:
 713                    final String status = intent.getStringExtra(TorServiceUtils.EXTRA_STATUS);
 714                    //TODO port and host are in 'extras' - but this may not be a reliable source?
 715                    if ("ON".equals(status)) {
 716                        handleOrbotStartedEvent();
 717                        return START_STICKY;
 718                    }
 719                    break;
 720                case ACTION_END_CALL: {
 721                    final String sessionId = intent.getStringExtra(RtpSessionActivity.EXTRA_SESSION_ID);
 722                    Log.d(Config.LOGTAG, "received intent to end call with session id " + sessionId);
 723                    mJingleConnectionManager.endRtpSession(sessionId);
 724                }
 725                break;
 726                case ACTION_PROVISION_ACCOUNT: {
 727                    final String address = intent.getStringExtra("address");
 728                    final String password = intent.getStringExtra("password");
 729                    if (QuickConversationsService.isQuicksy() || Strings.isNullOrEmpty(address) || Strings.isNullOrEmpty(password)) {
 730                        break;
 731                    }
 732                    provisionAccount(address, password);
 733                    break;
 734                }
 735                case ACTION_DISMISS_ERROR_NOTIFICATIONS:
 736                    dismissErrorNotifications();
 737                    break;
 738                case ACTION_TRY_AGAIN:
 739                    resetAllAttemptCounts(false, true);
 740                    interactive = true;
 741                    break;
 742                case ACTION_REPLY_TO_CONVERSATION:
 743                    Bundle remoteInput = RemoteInput.getResultsFromIntent(intent);
 744                    if (remoteInput == null) {
 745                        break;
 746                    }
 747                    final CharSequence body = remoteInput.getCharSequence("text_reply");
 748                    final boolean dismissNotification = intent.getBooleanExtra("dismiss_notification", false);
 749                    final String lastMessageUuid = intent.getStringExtra("last_message_uuid");
 750                    if (body == null || body.length() <= 0) {
 751                        break;
 752                    }
 753                    mNotificationExecutor.execute(() -> {
 754                        try {
 755                            restoredFromDatabaseLatch.await();
 756                            final Conversation c = findConversationByUuid(uuid);
 757                            if (c != null) {
 758                                directReply(c, body.toString(), lastMessageUuid, dismissNotification);
 759                            }
 760                        } catch (InterruptedException e) {
 761                            Log.d(Config.LOGTAG, "unable to process direct reply");
 762                        }
 763                    });
 764                    break;
 765                case ACTION_MARK_AS_READ:
 766                    mNotificationExecutor.execute(() -> {
 767                        final Conversation c = findConversationByUuid(uuid);
 768                        if (c == null) {
 769                            Log.d(Config.LOGTAG, "received mark read intent for unknown conversation (" + uuid + ")");
 770                            return;
 771                        }
 772                        try {
 773                            restoredFromDatabaseLatch.await();
 774                            sendReadMarker(c, null);
 775                        } catch (InterruptedException e) {
 776                            Log.d(Config.LOGTAG, "unable to process notification read marker for conversation " + c.getName());
 777                        }
 778
 779                    });
 780                    break;
 781                case ACTION_SNOOZE:
 782                    mNotificationExecutor.execute(() -> {
 783                        final Conversation c = findConversationByUuid(uuid);
 784                        if (c == null) {
 785                            Log.d(Config.LOGTAG, "received snooze intent for unknown conversation (" + uuid + ")");
 786                            return;
 787                        }
 788                        c.setMutedTill(System.currentTimeMillis() + 30 * 60 * 1000);
 789                        mNotificationService.clearMessages(c);
 790                        updateConversation(c);
 791                    });
 792                case AudioManager.RINGER_MODE_CHANGED_ACTION:
 793                case NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED:
 794                    if (dndOnSilentMode()) {
 795                        refreshAllPresences();
 796                    }
 797                    break;
 798                case Intent.ACTION_SCREEN_ON:
 799                    deactivateGracePeriod();
 800                case Intent.ACTION_USER_PRESENT:
 801                case Intent.ACTION_SCREEN_OFF:
 802                    if (awayWhenScreenLocked()) {
 803                        refreshAllPresences();
 804                    }
 805                    break;
 806                case ACTION_FCM_TOKEN_REFRESH:
 807                    refreshAllFcmTokens();
 808                    break;
 809                case ACTION_IDLE_PING:
 810                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 811                        scheduleNextIdlePing();
 812                    }
 813                    break;
 814                case ACTION_FCM_MESSAGE_RECEIVED:
 815                    pushedAccountHash = intent.getStringExtra("account");
 816                    Log.d(Config.LOGTAG, "push message arrived in service. account=" + pushedAccountHash);
 817                    break;
 818                case Intent.ACTION_SEND:
 819                    Uri uri = intent.getData();
 820                    if (uri != null) {
 821                        Log.d(Config.LOGTAG, "received uri permission for " + uri.toString());
 822                    }
 823                    return START_STICKY;
 824            }
 825        }
 826        synchronized (this) {
 827            WakeLockHelper.acquire(wakeLock);
 828            boolean pingNow = ConnectivityManager.CONNECTIVITY_ACTION.equals(action) || (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0 && ACTION_POST_CONNECTIVITY_CHANGE.equals(action));
 829            final HashSet<Account> pingCandidates = new HashSet<>();
 830            final String androidId = PhoneHelper.getAndroidId(this);
 831            for (Account account : accounts) {
 832                final boolean pushWasMeantForThisAccount = CryptoHelper.getAccountFingerprint(account, androidId).equals(pushedAccountHash);
 833                pingNow |= processAccountState(account,
 834                        interactive,
 835                        "ui".equals(action),
 836                        pushWasMeantForThisAccount,
 837                        pingCandidates);
 838            }
 839            if (pingNow) {
 840                for (Account account : pingCandidates) {
 841                    final boolean lowTimeout = isInLowPingTimeoutMode(account);
 842                    account.getXmppConnection().sendPing();
 843                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + " send ping (action=" + action + ",lowTimeout=" + lowTimeout + ")");
 844                    scheduleWakeUpCall(lowTimeout ? Config.LOW_PING_TIMEOUT : Config.PING_TIMEOUT, account.getUuid().hashCode());
 845                }
 846            }
 847            WakeLockHelper.release(wakeLock);
 848        }
 849        if (SystemClock.elapsedRealtime() - mLastExpiryRun.get() >= Config.EXPIRY_INTERVAL) {
 850            expireOldMessages();
 851        }
 852        return START_STICKY;
 853    }
 854
 855    private void handleOrbotStartedEvent() {
 856        for (final Account account : accounts) {
 857            if (account.getStatus() == Account.State.TOR_NOT_AVAILABLE) {
 858                reconnectAccount(account, true, false);
 859            }
 860        }
 861    }
 862
 863    private boolean processAccountState(Account account, boolean interactive, boolean isUiAction, boolean isAccountPushed, HashSet<Account> pingCandidates) {
 864        boolean pingNow = false;
 865        if (account.getStatus().isAttemptReconnect()) {
 866            if (!hasInternetConnection()) {
 867                account.setStatus(Account.State.NO_INTERNET);
 868                if (statusListener != null) {
 869                    statusListener.onStatusChanged(account);
 870                }
 871            } else {
 872                if (account.getStatus() == Account.State.NO_INTERNET) {
 873                    account.setStatus(Account.State.OFFLINE);
 874                    if (statusListener != null) {
 875                        statusListener.onStatusChanged(account);
 876                    }
 877                }
 878                if (account.getStatus() == Account.State.ONLINE) {
 879                    synchronized (mLowPingTimeoutMode) {
 880                        long lastReceived = account.getXmppConnection().getLastPacketReceived();
 881                        long lastSent = account.getXmppConnection().getLastPingSent();
 882                        long pingInterval = isUiAction ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 883                        long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 884                        int pingTimeout = mLowPingTimeoutMode.contains(account.getJid().asBareJid()) ? Config.LOW_PING_TIMEOUT * 1000 : Config.PING_TIMEOUT * 1000;
 885                        long pingTimeoutIn = (lastSent + pingTimeout) - SystemClock.elapsedRealtime();
 886                        if (lastSent > lastReceived) {
 887                            if (pingTimeoutIn < 0) {
 888                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ping timeout");
 889                                this.reconnectAccount(account, true, interactive);
 890                            } else {
 891                                int secs = (int) (pingTimeoutIn / 1000);
 892                                this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
 893                            }
 894                        } else {
 895                            pingCandidates.add(account);
 896                            if (isAccountPushed) {
 897                                pingNow = true;
 898                                if (mLowPingTimeoutMode.add(account.getJid().asBareJid())) {
 899                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": entering low ping timeout mode");
 900                                }
 901                            } else if (msToNextPing <= 0) {
 902                                pingNow = true;
 903                            } else {
 904                                this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 905                                if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 906                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 907                                }
 908                            }
 909                        }
 910                    }
 911                } else if (account.getStatus() == Account.State.OFFLINE) {
 912                    reconnectAccount(account, true, interactive);
 913                } else if (account.getStatus() == Account.State.CONNECTING) {
 914                    long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
 915                    long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
 916                    long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
 917                    long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
 918                    if (timeout < 0) {
 919                        Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting (secondsSinceLast=" + secondsSinceLastConnect + ")");
 920                        account.getXmppConnection().resetAttemptCount(false);
 921                        reconnectAccount(account, true, interactive);
 922                    } else if (discoTimeout < 0) {
 923                        account.getXmppConnection().sendDiscoTimeout();
 924                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 925                    } else {
 926                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 927                    }
 928                } else {
 929                    if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 930                        reconnectAccount(account, true, interactive);
 931                    }
 932                }
 933            }
 934        }
 935        return pingNow;
 936    }
 937
 938    public void reinitializeMuclumbusService() {
 939        mChannelDiscoveryService.initializeMuclumbusService();
 940    }
 941
 942    public void discoverChannels(String query, ChannelDiscoveryService.Method method, ChannelDiscoveryService.OnChannelSearchResultsFound onChannelSearchResultsFound) {
 943        mChannelDiscoveryService.discover(Strings.nullToEmpty(query).trim(), method, onChannelSearchResultsFound);
 944    }
 945
 946    public boolean isDataSaverDisabled() {
 947        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 948            final ConnectivityManager connectivityManager =
 949                    (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
 950            return !connectivityManager.isActiveNetworkMetered()
 951                    || Compatibility.getRestrictBackgroundStatus(connectivityManager)
 952                            == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
 953        } else {
 954            return true;
 955        }
 956    }
 957
 958    private void directReply(final Conversation conversation, final String body, final String lastMessageUuid, final boolean dismissAfterReply) {
 959        final Message inReplyTo = lastMessageUuid == null ? null : conversation.findMessageWithUuid(lastMessageUuid);
 960        final Message message = new Message(conversation, body, conversation.getNextEncryption());
 961        if (inReplyTo != null && inReplyTo.isPrivateMessage()) {
 962            Message.configurePrivateMessage(message, inReplyTo.getCounterpart());
 963        }
 964        message.markUnread();
 965        if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 966            getPgpEngine().encrypt(message, new UiCallback<Message>() {
 967                @Override
 968                public void success(Message message) {
 969                    if (dismissAfterReply) {
 970                        markRead((Conversation) message.getConversation(), true);
 971                    } else {
 972                        mNotificationService.pushFromDirectReply(message);
 973                    }
 974                }
 975
 976                @Override
 977                public void error(int errorCode, Message object) {
 978
 979                }
 980
 981                @Override
 982                public void userInputRequired(PendingIntent pi, Message object) {
 983
 984                }
 985            });
 986        } else {
 987            sendMessage(message);
 988            if (dismissAfterReply) {
 989                markRead(conversation, true);
 990            } else {
 991                mNotificationService.pushFromDirectReply(message);
 992            }
 993        }
 994    }
 995
 996    private boolean dndOnSilentMode() {
 997        return getBooleanPreference(SettingsActivity.DND_ON_SILENT_MODE, R.bool.dnd_on_silent_mode);
 998    }
 999
1000    private boolean manuallyChangePresence() {
1001        return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
1002    }
1003
1004    private boolean treatVibrateAsSilent() {
1005        return getBooleanPreference(SettingsActivity.TREAT_VIBRATE_AS_SILENT, R.bool.treat_vibrate_as_silent);
1006    }
1007
1008    private boolean awayWhenScreenLocked() {
1009        return getBooleanPreference(SettingsActivity.AWAY_WHEN_SCREEN_IS_OFF, R.bool.away_when_screen_off);
1010    }
1011
1012    private String getCompressPicturesPreference() {
1013        return getPreferences().getString("picture_compression", getResources().getString(R.string.picture_compression));
1014    }
1015
1016    private Presence.Status getTargetPresence() {
1017        if (dndOnSilentMode() && isPhoneSilenced()) {
1018            return Presence.Status.DND;
1019        } else if (awayWhenScreenLocked() && isScreenLocked()) {
1020            return Presence.Status.AWAY;
1021        } else {
1022            return Presence.Status.ONLINE;
1023        }
1024    }
1025
1026    public boolean isScreenLocked() {
1027        final KeyguardManager keyguardManager = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
1028        final PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE);
1029        final boolean locked = keyguardManager != null && keyguardManager.isKeyguardLocked();
1030        final boolean interactive = powerManager != null && powerManager.isInteractive();
1031        return locked || !interactive;
1032    }
1033
1034    private boolean isPhoneSilenced() {
1035        final boolean notificationDnd;
1036        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1037            final NotificationManager notificationManager = getSystemService(NotificationManager.class);
1038            final int filter = notificationManager == null ? NotificationManager.INTERRUPTION_FILTER_UNKNOWN : notificationManager.getCurrentInterruptionFilter();
1039            notificationDnd = filter >= NotificationManager.INTERRUPTION_FILTER_PRIORITY;
1040        } else {
1041            notificationDnd = false;
1042        }
1043        final AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
1044        final int ringerMode = audioManager == null ? AudioManager.RINGER_MODE_NORMAL : audioManager.getRingerMode();
1045        try {
1046            if (treatVibrateAsSilent()) {
1047                return notificationDnd || ringerMode != AudioManager.RINGER_MODE_NORMAL;
1048            } else {
1049                return notificationDnd || ringerMode == AudioManager.RINGER_MODE_SILENT;
1050            }
1051        } catch (Throwable throwable) {
1052            Log.d(Config.LOGTAG, "platform bug in isPhoneSilenced (" + throwable.getMessage() + ")");
1053            return notificationDnd;
1054        }
1055    }
1056
1057    private void resetAllAttemptCounts(boolean reallyAll, boolean retryImmediately) {
1058        Log.d(Config.LOGTAG, "resetting all attempt counts");
1059        for (Account account : accounts) {
1060            if (account.hasErrorStatus() || reallyAll) {
1061                final XmppConnection connection = account.getXmppConnection();
1062                if (connection != null) {
1063                    connection.resetAttemptCount(retryImmediately);
1064                }
1065            }
1066            if (account.setShowErrorNotification(true)) {
1067                mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
1068            }
1069        }
1070        mNotificationService.updateErrorNotification();
1071    }
1072
1073    private void dismissErrorNotifications() {
1074        for (final Account account : this.accounts) {
1075            if (account.hasErrorStatus()) {
1076                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": dismissing error notification");
1077                if (account.setShowErrorNotification(false)) {
1078                    mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
1079                }
1080            }
1081        }
1082    }
1083
1084    private void expireOldMessages() {
1085        expireOldMessages(false);
1086    }
1087
1088    public void expireOldMessages(final boolean resetHasMessagesLeftOnServer) {
1089        mLastExpiryRun.set(SystemClock.elapsedRealtime());
1090        mDatabaseWriterExecutor.execute(() -> {
1091            long timestamp = getAutomaticMessageDeletionDate();
1092            if (timestamp > 0) {
1093                databaseBackend.expireOldMessages(timestamp);
1094                synchronized (XmppConnectionService.this.conversations) {
1095                    for (Conversation conversation : XmppConnectionService.this.conversations) {
1096                        conversation.expireOldMessages(timestamp);
1097                        if (resetHasMessagesLeftOnServer) {
1098                            conversation.messagesLoaded.set(true);
1099                            conversation.setHasMessagesLeftOnServer(true);
1100                        }
1101                    }
1102                }
1103                updateConversationUi();
1104            }
1105        });
1106    }
1107
1108    public boolean hasInternetConnection() {
1109        final ConnectivityManager cm = ContextCompat.getSystemService(this, ConnectivityManager.class);
1110        if (cm == null) {
1111            return true; //if internet connection can not be checked it is probably best to just try
1112        }
1113        try {
1114            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.Q) {
1115                final Network activeNetwork = cm.getActiveNetwork();
1116                final NetworkCapabilities capabilities = activeNetwork == null ? null : cm.getNetworkCapabilities(activeNetwork);
1117                return capabilities != null && capabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET);
1118            } else {
1119                final NetworkInfo networkInfo = cm.getActiveNetworkInfo();
1120                return networkInfo != null && (networkInfo.isConnected() || networkInfo.getType() == ConnectivityManager.TYPE_ETHERNET);
1121            }
1122        } catch (final RuntimeException e) {
1123            Log.d(Config.LOGTAG, "unable to check for internet connection", e);
1124            return true; //if internet connection can not be checked it is probably best to just try
1125        }
1126    }
1127
1128    @SuppressLint("TrulyRandom")
1129    @Override
1130    public void onCreate() {
1131        if (Compatibility.runsTwentySix()) {
1132            mNotificationService.initializeChannels();
1133        }
1134        mChannelDiscoveryService.initializeMuclumbusService();
1135        mForceDuringOnCreate.set(Compatibility.runsAndTargetsTwentySix(this));
1136        toggleForegroundService();
1137        this.destroyed = false;
1138        OmemoSetting.load(this);
1139        ExceptionHelper.init(getApplicationContext());
1140        try {
1141            Security.insertProviderAt(Conscrypt.newProvider(), 1);
1142        } catch (Throwable throwable) {
1143            Log.e(Config.LOGTAG, "unable to initialize security provider", throwable);
1144        }
1145        Resolver.init(this);
1146        this.mRandom = new SecureRandom();
1147        updateMemorizingTrustmanager();
1148        final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
1149        final int cacheSize = maxMemory / 8;
1150        this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
1151            @Override
1152            protected int sizeOf(final String key, final Bitmap bitmap) {
1153                return bitmap.getByteCount() / 1024;
1154            }
1155        };
1156        if (mLastActivity == 0) {
1157            mLastActivity = getPreferences().getLong(SETTING_LAST_ACTIVITY_TS, System.currentTimeMillis());
1158        }
1159
1160        Log.d(Config.LOGTAG, "initializing database...");
1161        this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
1162        Log.d(Config.LOGTAG, "restoring accounts...");
1163        this.accounts = databaseBackend.getAccounts();
1164        final SharedPreferences.Editor editor = getPreferences().edit();
1165        if (this.accounts.size() == 0 && Arrays.asList("Sony", "Sony Ericsson").contains(Build.MANUFACTURER)) {
1166            editor.putBoolean(SettingsActivity.KEEP_FOREGROUND_SERVICE, true);
1167            Log.d(Config.LOGTAG, Build.MANUFACTURER + " is on blacklist. enabling foreground service");
1168        }
1169        final boolean hasEnabledAccounts = hasEnabledAccounts();
1170        editor.putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
1171        editor.apply();
1172        toggleSetProfilePictureActivity(hasEnabledAccounts);
1173
1174        restoreFromDatabase();
1175
1176        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || ContextCompat.checkSelfPermission(this, Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
1177            startContactObserver();
1178        }
1179        FILE_OBSERVER_EXECUTOR.execute(fileBackend::deleteHistoricAvatarPath);
1180        if (Compatibility.hasStoragePermission(this)) {
1181            Log.d(Config.LOGTAG, "starting file observer");
1182            FILE_OBSERVER_EXECUTOR.execute(this.fileObserver::startWatching);
1183            FILE_OBSERVER_EXECUTOR.execute(this::checkForDeletedFiles);
1184        }
1185        if (Config.supportOpenPgp()) {
1186            this.pgpServiceConnection = new OpenPgpServiceConnection(this, "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
1187                @Override
1188                public void onBound(IOpenPgpService2 service) {
1189                    for (Account account : accounts) {
1190                        final PgpDecryptionService pgp = account.getPgpDecryptionService();
1191                        if (pgp != null) {
1192                            pgp.continueDecryption(true);
1193                        }
1194                    }
1195                }
1196
1197                @Override
1198                public void onError(Exception e) {
1199                }
1200            });
1201            this.pgpServiceConnection.bindToService();
1202        }
1203
1204        final PowerManager pm = ContextCompat.getSystemService(this, PowerManager.class);
1205        this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Conversations:Service");
1206
1207        toggleForegroundService();
1208        updateUnreadCountBadge();
1209        toggleScreenEventReceiver();
1210        final IntentFilter intentFilter = new IntentFilter();
1211        intentFilter.addAction(TorServiceUtils.ACTION_STATUS);
1212        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1213            scheduleNextIdlePing();
1214            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1215                intentFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
1216            }
1217            intentFilter.addAction(NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED);
1218        }
1219        registerReceiver(this.mInternalEventReceiver, intentFilter);
1220        mForceDuringOnCreate.set(false);
1221        toggleForegroundService();
1222        setupPhoneStateListener();
1223    }
1224
1225
1226    private void setupPhoneStateListener() {
1227        final TelephonyManager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
1228        if (telephonyManager == null || Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
1229            return;
1230        }
1231        telephonyManager.listen(phoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);
1232    }
1233
1234    public boolean isPhoneInCall() {
1235        return isPhoneInCall.get();
1236    }
1237
1238    private void checkForDeletedFiles() {
1239        if (destroyed) {
1240            Log.d(Config.LOGTAG, "Do not check for deleted files because service has been destroyed");
1241            return;
1242        }
1243        final long start = SystemClock.elapsedRealtime();
1244        final List<DatabaseBackend.FilePathInfo> relativeFilePaths = databaseBackend.getFilePathInfo();
1245        final List<DatabaseBackend.FilePathInfo> changed = new ArrayList<>();
1246        for (final DatabaseBackend.FilePathInfo filePath : relativeFilePaths) {
1247            if (destroyed) {
1248                Log.d(Config.LOGTAG, "Stop checking for deleted files because service has been destroyed");
1249                return;
1250            }
1251            final File file = fileBackend.getFileForPath(filePath.path);
1252            if (filePath.setDeleted(!file.exists())) {
1253                changed.add(filePath);
1254            }
1255        }
1256        final long duration = SystemClock.elapsedRealtime() - start;
1257        Log.d(Config.LOGTAG, "found " + changed.size() + " changed files on start up. total=" + relativeFilePaths.size() + ". (" + duration + "ms)");
1258        if (changed.size() > 0) {
1259            databaseBackend.markFilesAsChanged(changed);
1260            markChangedFiles(changed);
1261        }
1262    }
1263
1264    public void startContactObserver() {
1265        getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, new ContentObserver(null) {
1266            @Override
1267            public void onChange(boolean selfChange) {
1268                super.onChange(selfChange);
1269                if (restoredFromDatabaseLatch.getCount() == 0) {
1270                    loadPhoneContacts();
1271                }
1272            }
1273        });
1274    }
1275
1276    @Override
1277    public void onTrimMemory(int level) {
1278        super.onTrimMemory(level);
1279        if (level >= TRIM_MEMORY_COMPLETE) {
1280            Log.d(Config.LOGTAG, "clear cache due to low memory");
1281            getBitmapCache().evictAll();
1282        }
1283    }
1284
1285    @Override
1286    public void onDestroy() {
1287        try {
1288            unregisterReceiver(this.mInternalEventReceiver);
1289            unregisterReceiver(this.mInternalScreenEventReceiver);
1290        } catch (final IllegalArgumentException e) {
1291            //ignored
1292        }
1293        destroyed = false;
1294        fileObserver.stopWatching();
1295        super.onDestroy();
1296    }
1297
1298    public void restartFileObserver() {
1299        Log.d(Config.LOGTAG, "restarting file observer");
1300        FILE_OBSERVER_EXECUTOR.execute(this.fileObserver::restartWatching);
1301        FILE_OBSERVER_EXECUTOR.execute(this::checkForDeletedFiles);
1302    }
1303
1304    public void toggleScreenEventReceiver() {
1305        if (awayWhenScreenLocked() && !manuallyChangePresence()) {
1306            final IntentFilter filter = new IntentFilter();
1307            filter.addAction(Intent.ACTION_SCREEN_ON);
1308            filter.addAction(Intent.ACTION_SCREEN_OFF);
1309            filter.addAction(Intent.ACTION_USER_PRESENT);
1310            registerReceiver(this.mInternalScreenEventReceiver, filter);
1311        } else {
1312            try {
1313                unregisterReceiver(this.mInternalScreenEventReceiver);
1314            } catch (IllegalArgumentException e) {
1315                //ignored
1316            }
1317        }
1318    }
1319
1320    public void toggleForegroundService() {
1321        toggleForegroundService(false);
1322    }
1323
1324    public void setOngoingCall(AbstractJingleConnection.Id id, Set<Media> media, final boolean reconnecting) {
1325        ongoingCall.set(new OngoingCall(id, media, reconnecting));
1326        toggleForegroundService(false);
1327    }
1328
1329    public void removeOngoingCall() {
1330        ongoingCall.set(null);
1331        toggleForegroundService(false);
1332    }
1333
1334    private void toggleForegroundService(boolean force) {
1335        final boolean status;
1336        final OngoingCall ongoing = ongoingCall.get();
1337        if (force || mForceDuringOnCreate.get() || mForceForegroundService.get() || ongoing != null || (Compatibility.keepForegroundService(this) && hasEnabledAccounts())) {
1338            final Notification notification;
1339            final int id;
1340            if (ongoing != null) {
1341                notification = this.mNotificationService.getOngoingCallNotification(ongoing);
1342                id = NotificationService.ONGOING_CALL_NOTIFICATION_ID;
1343                startForeground(id, notification);
1344                mNotificationService.cancel(NotificationService.FOREGROUND_NOTIFICATION_ID);
1345            } else {
1346                notification = this.mNotificationService.createForegroundNotification();
1347                id = NotificationService.FOREGROUND_NOTIFICATION_ID;
1348                startForeground(id, notification);
1349            }
1350
1351            if (!mForceForegroundService.get()) {
1352                mNotificationService.notify(id, notification);
1353            }
1354            status = true;
1355        } else {
1356            stopForeground(true);
1357            status = false;
1358        }
1359        if (!mForceForegroundService.get()) {
1360            mNotificationService.cancel(NotificationService.FOREGROUND_NOTIFICATION_ID);
1361        }
1362        if (ongoing == null) {
1363            mNotificationService.cancel(NotificationService.ONGOING_CALL_NOTIFICATION_ID);
1364        }
1365        Log.d(Config.LOGTAG, "ForegroundService: " + (status ? "on" : "off"));
1366    }
1367
1368    public boolean foregroundNotificationNeedsUpdatingWhenErrorStateChanges() {
1369        return !mForceForegroundService.get() && ongoingCall.get() == null && Compatibility.keepForegroundService(this) && hasEnabledAccounts();
1370    }
1371
1372    @Override
1373    public void onTaskRemoved(final Intent rootIntent) {
1374        super.onTaskRemoved(rootIntent);
1375        if ((Compatibility.keepForegroundService(this) && hasEnabledAccounts()) || mForceForegroundService.get() || ongoingCall.get() != null) {
1376            Log.d(Config.LOGTAG, "ignoring onTaskRemoved because foreground service is activated");
1377        } else {
1378            this.logoutAndSave(false);
1379        }
1380    }
1381
1382    private void logoutAndSave(boolean stop) {
1383        int activeAccounts = 0;
1384        for (final Account account : accounts) {
1385            if (account.getStatus() != Account.State.DISABLED) {
1386                databaseBackend.writeRoster(account.getRoster());
1387                activeAccounts++;
1388            }
1389            if (account.getXmppConnection() != null) {
1390                new Thread(() -> disconnect(account, false)).start();
1391            }
1392        }
1393        if (stop || activeAccounts == 0) {
1394            Log.d(Config.LOGTAG, "good bye");
1395            stopSelf();
1396        }
1397    }
1398
1399    private void schedulePostConnectivityChange() {
1400        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1401        if (alarmManager == null) {
1402            return;
1403        }
1404        final long triggerAtMillis = SystemClock.elapsedRealtime() + (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL * 1000);
1405        final Intent intent = new Intent(this, EventReceiver.class);
1406        intent.setAction(ACTION_POST_CONNECTIVITY_CHANGE);
1407        try {
1408            final PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 1, intent, s()
1409                    ? PendingIntent.FLAG_IMMUTABLE | PendingIntent.FLAG_UPDATE_CURRENT
1410                    : PendingIntent.FLAG_UPDATE_CURRENT);
1411            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1412                alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1413            } else {
1414                alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1415            }
1416        } catch (RuntimeException e) {
1417            Log.e(Config.LOGTAG, "unable to schedule alarm for post connectivity change", e);
1418        }
1419    }
1420
1421    public void scheduleWakeUpCall(int seconds, int requestCode) {
1422        final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000L;
1423        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1424        if (alarmManager == null) {
1425            return;
1426        }
1427        final Intent intent = new Intent(this, EventReceiver.class);
1428        intent.setAction("ping");
1429        try {
1430            final PendingIntent pendingIntent;
1431            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1432                pendingIntent =
1433                        PendingIntent.getBroadcast(
1434                                this, requestCode, intent, PendingIntent.FLAG_IMMUTABLE);
1435            } else {
1436                pendingIntent =
1437                        PendingIntent.getBroadcast(
1438                                this, requestCode, intent, 0);
1439            }
1440            alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1441        } catch (RuntimeException e) {
1442            Log.e(Config.LOGTAG, "unable to schedule alarm for ping", e);
1443        }
1444    }
1445
1446    @TargetApi(Build.VERSION_CODES.M)
1447    private void scheduleNextIdlePing() {
1448        final long timeToWake = SystemClock.elapsedRealtime() + (Config.IDLE_PING_INTERVAL * 1000);
1449        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1450        if (alarmManager == null) {
1451            return;
1452        }
1453        final Intent intent = new Intent(this, EventReceiver.class);
1454        intent.setAction(ACTION_IDLE_PING);
1455        try {
1456            final PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, s()
1457                    ? PendingIntent.FLAG_IMMUTABLE | PendingIntent.FLAG_UPDATE_CURRENT
1458                    : PendingIntent.FLAG_UPDATE_CURRENT);
1459            alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1460        } catch (RuntimeException e) {
1461            Log.d(Config.LOGTAG, "unable to schedule alarm for idle ping", e);
1462        }
1463    }
1464
1465    public XmppConnection createConnection(final Account account) {
1466        final XmppConnection connection = new XmppConnection(account, this);
1467        connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1468        connection.setOnStatusChangedListener(this.statusListener);
1469        connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1470        connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1471        connection.setOnJinglePacketReceivedListener((mJingleConnectionManager::deliverPacket));
1472        connection.setOnBindListener(this.mOnBindListener);
1473        connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1474        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1475        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1476        AxolotlService axolotlService = account.getAxolotlService();
1477        if (axolotlService != null) {
1478            connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1479        }
1480        return connection;
1481    }
1482
1483    public void sendChatState(Conversation conversation) {
1484        if (sendChatStates()) {
1485            MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1486            sendMessagePacket(conversation.getAccount(), packet);
1487        }
1488    }
1489
1490    private void sendFileMessage(final Message message, final boolean delay) {
1491        Log.d(Config.LOGTAG, "send file message");
1492        final Account account = message.getConversation().getAccount();
1493        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1494                || message.getConversation().getMode() == Conversation.MODE_MULTI) {
1495            mHttpConnectionManager.createNewUploadConnection(message, delay);
1496        } else {
1497            mJingleConnectionManager.startJingleFileTransfer(message);
1498        }
1499    }
1500
1501    public void sendMessage(final Message message) {
1502        sendMessage(message, false, false);
1503    }
1504
1505    private void sendMessage(final Message message, final boolean resend, final boolean delay) {
1506        final Account account = message.getConversation().getAccount();
1507        if (account.setShowErrorNotification(true)) {
1508            databaseBackend.updateAccount(account);
1509            mNotificationService.updateErrorNotification();
1510        }
1511        final Conversation conversation = (Conversation) message.getConversation();
1512        account.deactivateGracePeriod();
1513
1514
1515        if (QuickConversationsService.isQuicksy() && conversation.getMode() == Conversation.MODE_SINGLE) {
1516            final Contact contact = conversation.getContact();
1517            if (!contact.showInRoster() && contact.getOption(Contact.Options.SYNCED_VIA_OTHER)) {
1518                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": adding " + contact.getJid() + " on sending message");
1519                createContact(contact, true);
1520            }
1521        }
1522
1523        MessagePacket packet = null;
1524        final boolean addToConversation = (conversation.getMode() != Conversation.MODE_MULTI
1525                || !Patches.BAD_MUC_REFLECTION.contains(account.getServerIdentity()))
1526                && !message.edited();
1527        boolean saveInDb = addToConversation;
1528        message.setStatus(Message.STATUS_WAITING);
1529
1530        if (message.getEncryption() != Message.ENCRYPTION_NONE && conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous()) {
1531            if (conversation.setAttribute(Conversation.ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS, true)) {
1532                databaseBackend.updateConversation(conversation);
1533            }
1534        }
1535
1536        final boolean inProgressJoin = isJoinInProgress(conversation);
1537
1538
1539        if (account.isOnlineAndConnected() && !inProgressJoin) {
1540            switch (message.getEncryption()) {
1541                case Message.ENCRYPTION_NONE:
1542                    if (message.needsUploading()) {
1543                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1544                                || conversation.getMode() == Conversation.MODE_MULTI
1545                                || message.fixCounterpart()) {
1546                            this.sendFileMessage(message, delay);
1547                        } else {
1548                            break;
1549                        }
1550                    } else {
1551                        packet = mMessageGenerator.generateChat(message);
1552                    }
1553                    break;
1554                case Message.ENCRYPTION_PGP:
1555                case Message.ENCRYPTION_DECRYPTED:
1556                    if (message.needsUploading()) {
1557                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1558                                || conversation.getMode() == Conversation.MODE_MULTI
1559                                || message.fixCounterpart()) {
1560                            this.sendFileMessage(message, delay);
1561                        } else {
1562                            break;
1563                        }
1564                    } else {
1565                        packet = mMessageGenerator.generatePgpChat(message);
1566                    }
1567                    break;
1568                case Message.ENCRYPTION_AXOLOTL:
1569                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1570                    if (message.needsUploading()) {
1571                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1572                                || conversation.getMode() == Conversation.MODE_MULTI
1573                                || message.fixCounterpart()) {
1574                            this.sendFileMessage(message, delay);
1575                        } else {
1576                            break;
1577                        }
1578                    } else {
1579                        XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1580                        if (axolotlMessage == null) {
1581                            account.getAxolotlService().preparePayloadMessage(message, delay);
1582                        } else {
1583                            packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1584                        }
1585                    }
1586                    break;
1587
1588            }
1589            if (packet != null) {
1590                if (account.getXmppConnection().getFeatures().sm()
1591                        || (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1592                    message.setStatus(Message.STATUS_UNSEND);
1593                } else {
1594                    message.setStatus(Message.STATUS_SEND);
1595                }
1596            }
1597        } else {
1598            switch (message.getEncryption()) {
1599                case Message.ENCRYPTION_DECRYPTED:
1600                    if (!message.needsUploading()) {
1601                        String pgpBody = message.getEncryptedBody();
1602                        String decryptedBody = message.getBody();
1603                        message.setBody(pgpBody); //TODO might throw NPE
1604                        message.setEncryption(Message.ENCRYPTION_PGP);
1605                        if (message.edited()) {
1606                            message.setBody(decryptedBody);
1607                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1608                            if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1609                                Log.e(Config.LOGTAG, "error updated message in DB after edit");
1610                            }
1611                            updateConversationUi();
1612                            return;
1613                        } else {
1614                            databaseBackend.createMessage(message);
1615                            saveInDb = false;
1616                            message.setBody(decryptedBody);
1617                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1618                        }
1619                    }
1620                    break;
1621                case Message.ENCRYPTION_AXOLOTL:
1622                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1623                    break;
1624            }
1625        }
1626
1627
1628        boolean mucMessage = conversation.getMode() == Conversation.MODE_MULTI && !message.isPrivateMessage();
1629        if (mucMessage) {
1630            message.setCounterpart(conversation.getMucOptions().getSelf().getFullJid());
1631        }
1632
1633        if (resend) {
1634            if (packet != null && addToConversation) {
1635                if (account.getXmppConnection().getFeatures().sm() || mucMessage) {
1636                    markMessage(message, Message.STATUS_UNSEND);
1637                } else {
1638                    markMessage(message, Message.STATUS_SEND);
1639                }
1640            }
1641        } else {
1642            if (addToConversation) {
1643                conversation.add(message);
1644            }
1645            if (saveInDb) {
1646                databaseBackend.createMessage(message);
1647            } else if (message.edited()) {
1648                if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1649                    Log.e(Config.LOGTAG, "error updated message in DB after edit");
1650                }
1651            }
1652            updateConversationUi();
1653        }
1654        if (packet != null) {
1655            if (delay) {
1656                mMessageGenerator.addDelay(packet, message.getTimeSent());
1657            }
1658            if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
1659                if (this.sendChatStates()) {
1660                    packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1661                }
1662            }
1663            sendMessagePacket(account, packet);
1664        }
1665    }
1666
1667    private boolean isJoinInProgress(final Conversation conversation) {
1668        final Account account = conversation.getAccount();
1669        synchronized (account.inProgressConferenceJoins) {
1670            if (conversation.getMode() == Conversational.MODE_MULTI) {
1671                final boolean inProgress = account.inProgressConferenceJoins.contains(conversation);
1672                final boolean pending = account.pendingConferenceJoins.contains(conversation);
1673                final boolean inProgressJoin = inProgress || pending;
1674                if (inProgressJoin) {
1675                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": holding back message to group. inProgress=" + inProgress + ", pending=" + pending);
1676                }
1677                return inProgressJoin;
1678            } else {
1679                return false;
1680            }
1681        }
1682    }
1683
1684    private void sendUnsentMessages(final Conversation conversation) {
1685        conversation.findWaitingMessages(message -> resendMessage(message, true));
1686    }
1687
1688    public void resendMessage(final Message message, final boolean delay) {
1689        sendMessage(message, true, delay);
1690    }
1691
1692    public void requestEasyOnboardingInvite(final Account account, final EasyOnboardingInvite.OnInviteRequested callback) {
1693        final XmppConnection connection = account.getXmppConnection();
1694        final Jid jid = connection == null ? null : connection.getJidForCommand(Namespace.EASY_ONBOARDING_INVITE);
1695        if (jid == null) {
1696            callback.inviteRequestFailed(getString(R.string.server_does_not_support_easy_onboarding_invites));
1697            return;
1698        }
1699        final IqPacket request = new IqPacket(IqPacket.TYPE.SET);
1700        request.setTo(jid);
1701        final Element command = request.addChild("command", Namespace.COMMANDS);
1702        command.setAttribute("node", Namespace.EASY_ONBOARDING_INVITE);
1703        command.setAttribute("action", "execute");
1704        sendIqPacket(account, request, (a, response) -> {
1705            if (response.getType() == IqPacket.TYPE.RESULT) {
1706                final Element resultCommand = response.findChild("command", Namespace.COMMANDS);
1707                final Element x = resultCommand == null ? null : resultCommand.findChild("x", Namespace.DATA);
1708                if (x != null) {
1709                    final Data data = Data.parse(x);
1710                    final String uri = data.getValue("uri");
1711                    final String landingUrl = data.getValue("landing-url");
1712                    if (uri != null) {
1713                        final EasyOnboardingInvite invite = new EasyOnboardingInvite(jid.getDomain().toEscapedString(), uri, landingUrl);
1714                        callback.inviteRequested(invite);
1715                        return;
1716                    }
1717                }
1718                callback.inviteRequestFailed(getString(R.string.unable_to_parse_invite));
1719                Log.d(Config.LOGTAG, response.toString());
1720            } else if (response.getType() == IqPacket.TYPE.ERROR) {
1721                callback.inviteRequestFailed(IqParser.errorMessage(response));
1722            } else {
1723                callback.inviteRequestFailed(getString(R.string.remote_server_timeout));
1724            }
1725        });
1726
1727    }
1728
1729    public void fetchRosterFromServer(final Account account) {
1730        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1731        if (!"".equals(account.getRosterVersion())) {
1732            Log.d(Config.LOGTAG, account.getJid().asBareJid()
1733                    + ": fetching roster version " + account.getRosterVersion());
1734        } else {
1735            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching roster");
1736        }
1737        iqPacket.query(Namespace.ROSTER).setAttribute("ver", account.getRosterVersion());
1738        sendIqPacket(account, iqPacket, mIqParser);
1739    }
1740
1741    public void fetchBookmarks(final Account account) {
1742        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1743        final Element query = iqPacket.query("jabber:iq:private");
1744        query.addChild("storage", Namespace.BOOKMARKS);
1745        final OnIqPacketReceived callback = (a, response) -> {
1746            if (response.getType() == IqPacket.TYPE.RESULT) {
1747                final Element query1 = response.query();
1748                final Element storage = query1.findChild("storage", "storage:bookmarks");
1749                Map<Jid, Bookmark> bookmarks = Bookmark.parseFromStorage(storage, account);
1750                processBookmarksInitial(a, bookmarks, false);
1751            } else {
1752                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": could not fetch bookmarks");
1753            }
1754        };
1755        sendIqPacket(account, iqPacket, callback);
1756    }
1757
1758    public void fetchBookmarks2(final Account account) {
1759        final IqPacket retrieve = mIqGenerator.retrieveBookmarks();
1760        sendIqPacket(account, retrieve, new OnIqPacketReceived() {
1761            @Override
1762            public void onIqPacketReceived(final Account account, final IqPacket response) {
1763                if (response.getType() == IqPacket.TYPE.RESULT) {
1764                    final Element pubsub = response.findChild("pubsub", Namespace.PUBSUB);
1765                    final Map<Jid, Bookmark> bookmarks = Bookmark.parseFromPubsub(pubsub, account);
1766                    processBookmarksInitial(account, bookmarks, true);
1767                }
1768            }
1769        });
1770    }
1771
1772    public void processBookmarksInitial(Account account, Map<Jid, Bookmark> bookmarks, final boolean pep) {
1773        final Set<Jid> previousBookmarks = account.getBookmarkedJids();
1774        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1775        for (Bookmark bookmark : bookmarks.values()) {
1776            previousBookmarks.remove(bookmark.getJid().asBareJid());
1777            processModifiedBookmark(bookmark, pep, synchronizeWithBookmarks);
1778        }
1779        if (pep && synchronizeWithBookmarks) {
1780            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": " + previousBookmarks.size() + " bookmarks have been removed");
1781            for (Jid jid : previousBookmarks) {
1782                processDeletedBookmark(account, jid);
1783            }
1784        }
1785        account.setBookmarks(bookmarks);
1786    }
1787
1788    public void processDeletedBookmark(Account account, Jid jid) {
1789        final Conversation conversation = find(account, jid);
1790        if (conversation != null && conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
1791            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving destroyed conference (" + conversation.getJid() + ") after receiving pep");
1792            archiveConversation(conversation, false);
1793        }
1794    }
1795
1796    private void processModifiedBookmark(Bookmark bookmark, final boolean pep, final boolean synchronizeWithBookmarks) {
1797        final Account account = bookmark.getAccount();
1798        Conversation conversation = find(bookmark);
1799        if (conversation != null) {
1800            if (conversation.getMode() != Conversation.MODE_MULTI) {
1801                return;
1802            }
1803            bookmark.setConversation(conversation);
1804            if (pep && synchronizeWithBookmarks && !bookmark.autojoin()) {
1805                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conference (" + conversation.getJid() + ") after receiving pep");
1806                archiveConversation(conversation, false);
1807            } else {
1808                final MucOptions mucOptions = conversation.getMucOptions();
1809                if (mucOptions.getError() == MucOptions.Error.NICK_IN_USE) {
1810                    final String current = mucOptions.getActualNick();
1811                    final String proposed = mucOptions.getProposedNick();
1812                    if (current != null && !current.equals(proposed)) {
1813                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": proposed nick changed after bookmark push " + current + "->" + proposed);
1814                        joinMuc(conversation);
1815                    }
1816                }
1817            }
1818        } else if (synchronizeWithBookmarks && bookmark.autojoin()) {
1819            conversation = findOrCreateConversation(account, bookmark.getFullJid(), true, true, false);
1820            bookmark.setConversation(conversation);
1821        }
1822    }
1823
1824    public void processModifiedBookmark(Bookmark bookmark) {
1825        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1826        processModifiedBookmark(bookmark, true, synchronizeWithBookmarks);
1827    }
1828
1829    public void createBookmark(final Account account, final Bookmark bookmark) {
1830        account.putBookmark(bookmark);
1831        final XmppConnection connection = account.getXmppConnection();
1832        if (connection == null) {
1833            Log.d(Config.LOGTAG, account.getJid().asBareJid()+": no connection. ignoring bookmark creation");
1834        } else if (connection.getFeatures().bookmarks2()) {
1835            final Element item = mIqGenerator.publishBookmarkItem(bookmark);
1836            pushNodeAndEnforcePublishOptions(account, Namespace.BOOKMARKS2, item, bookmark.getJid().asBareJid().toEscapedString(), PublishOptions.persistentWhitelistAccessMaxItems());
1837        } else if (connection.getFeatures().bookmarksConversion()) {
1838            pushBookmarksPep(account);
1839        } else {
1840            pushBookmarksPrivateXml(account);
1841        }
1842    }
1843
1844    public void deleteBookmark(final Account account, final Bookmark bookmark) {
1845        account.removeBookmark(bookmark);
1846        final XmppConnection connection = account.getXmppConnection();
1847        if (connection.getFeatures().bookmarks2()) {
1848            IqPacket request = mIqGenerator.deleteItem(Namespace.BOOKMARKS2, bookmark.getJid().asBareJid().toEscapedString());
1849            sendIqPacket(account, request, (a, response) -> {
1850                if (response.getType() == IqPacket.TYPE.ERROR) {
1851                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": unable to delete bookmark " + response.getErrorCondition());
1852                }
1853            });
1854        } else if (connection.getFeatures().bookmarksConversion()) {
1855            pushBookmarksPep(account);
1856        } else {
1857            pushBookmarksPrivateXml(account);
1858        }
1859    }
1860
1861    private void pushBookmarksPrivateXml(Account account) {
1862        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via private xml");
1863        IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1864        Element query = iqPacket.query("jabber:iq:private");
1865        Element storage = query.addChild("storage", "storage:bookmarks");
1866        for (Bookmark bookmark : account.getBookmarks()) {
1867            storage.addChild(bookmark);
1868        }
1869        sendIqPacket(account, iqPacket, mDefaultIqHandler);
1870    }
1871
1872    private void pushBookmarksPep(Account account) {
1873        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via pep");
1874        Element storage = new Element("storage", "storage:bookmarks");
1875        for (Bookmark bookmark : account.getBookmarks()) {
1876            storage.addChild(bookmark);
1877        }
1878        pushNodeAndEnforcePublishOptions(account, Namespace.BOOKMARKS, storage, "current", PublishOptions.persistentWhitelistAccess());
1879
1880    }
1881
1882    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options) {
1883        pushNodeAndEnforcePublishOptions(account, node, element, id, options, true);
1884
1885    }
1886
1887    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options, final boolean retry) {
1888        final IqPacket packet = mIqGenerator.publishElement(node, element, id, options);
1889        sendIqPacket(account, packet, (a, response) -> {
1890            if (response.getType() == IqPacket.TYPE.RESULT) {
1891                return;
1892            }
1893            if (retry && PublishOptions.preconditionNotMet(response)) {
1894                pushNodeConfiguration(account, node, options, new OnConfigurationPushed() {
1895                    @Override
1896                    public void onPushSucceeded() {
1897                        pushNodeAndEnforcePublishOptions(account, node, element, id, options, false);
1898                    }
1899
1900                    @Override
1901                    public void onPushFailed() {
1902                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to push node configuration (" + node + ")");
1903                    }
1904                });
1905            } else {
1906                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error publishing bookmarks (retry=" + retry + ") " + response);
1907            }
1908        });
1909    }
1910
1911    private void restoreFromDatabase() {
1912        synchronized (this.conversations) {
1913            final Map<String, Account> accountLookupTable = new Hashtable<>();
1914            for (Account account : this.accounts) {
1915                accountLookupTable.put(account.getUuid(), account);
1916            }
1917            Log.d(Config.LOGTAG, "restoring conversations...");
1918            final long startTimeConversationsRestore = SystemClock.elapsedRealtime();
1919            this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1920            for (Iterator<Conversation> iterator = conversations.listIterator(); iterator.hasNext(); ) {
1921                Conversation conversation = iterator.next();
1922                Account account = accountLookupTable.get(conversation.getAccountUuid());
1923                if (account != null) {
1924                    conversation.setAccount(account);
1925                } else {
1926                    Log.e(Config.LOGTAG, "unable to restore Conversations with " + conversation.getJid());
1927                    iterator.remove();
1928                }
1929            }
1930            long diffConversationsRestore = SystemClock.elapsedRealtime() - startTimeConversationsRestore;
1931            Log.d(Config.LOGTAG, "finished restoring conversations in " + diffConversationsRestore + "ms");
1932            Runnable runnable = () -> {
1933                if (DatabaseBackend.requiresMessageIndexRebuild()) {
1934                    DatabaseBackend.getInstance(this).rebuildMessagesIndex();
1935                }
1936                final long deletionDate = getAutomaticMessageDeletionDate();
1937                mLastExpiryRun.set(SystemClock.elapsedRealtime());
1938                if (deletionDate > 0) {
1939                    Log.d(Config.LOGTAG, "deleting messages that are older than " + AbstractGenerator.getTimestamp(deletionDate));
1940                    databaseBackend.expireOldMessages(deletionDate);
1941                }
1942                Log.d(Config.LOGTAG, "restoring roster...");
1943                for (Account account : accounts) {
1944                    databaseBackend.readRoster(account.getRoster());
1945                    account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1946                }
1947                getBitmapCache().evictAll();
1948                loadPhoneContacts();
1949                Log.d(Config.LOGTAG, "restoring messages...");
1950                final long startMessageRestore = SystemClock.elapsedRealtime();
1951                final Conversation quickLoad = QuickLoader.get(this.conversations);
1952                if (quickLoad != null) {
1953                    restoreMessages(quickLoad);
1954                    updateConversationUi();
1955                    final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1956                    Log.d(Config.LOGTAG, "quickly restored " + quickLoad.getName() + " after " + diffMessageRestore + "ms");
1957                }
1958                for (Conversation conversation : this.conversations) {
1959                    if (quickLoad != conversation) {
1960                        restoreMessages(conversation);
1961                    }
1962                }
1963                mNotificationService.finishBacklog();
1964                restoredFromDatabaseLatch.countDown();
1965                final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1966                Log.d(Config.LOGTAG, "finished restoring messages in " + diffMessageRestore + "ms");
1967                updateConversationUi();
1968            };
1969            mDatabaseReaderExecutor.execute(runnable); //will contain one write command (expiry) but that's fine
1970        }
1971    }
1972
1973    private void restoreMessages(Conversation conversation) {
1974        conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1975        conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
1976        conversation.findUnreadMessagesAndCalls(mNotificationService::pushFromBacklog);
1977    }
1978
1979    public void loadPhoneContacts() {
1980        mContactMergerExecutor.execute(() -> {
1981            Map<Jid, JabberIdContact> contacts = JabberIdContact.load(this);
1982            Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1983            for (Account account : accounts) {
1984                List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts(JabberIdContact.class);
1985                for (JabberIdContact jidContact : contacts.values()) {
1986                    final Contact contact = account.getRoster().getContact(jidContact.getJid());
1987                    boolean needsCacheClean = contact.setPhoneContact(jidContact);
1988                    if (needsCacheClean) {
1989                        getAvatarService().clear(contact);
1990                    }
1991                    withSystemAccounts.remove(contact);
1992                }
1993                for (Contact contact : withSystemAccounts) {
1994                    boolean needsCacheClean = contact.unsetPhoneContact(JabberIdContact.class);
1995                    if (needsCacheClean) {
1996                        getAvatarService().clear(contact);
1997                    }
1998                }
1999            }
2000            Log.d(Config.LOGTAG, "finished merging phone contacts");
2001            mShortcutService.refresh(mInitialAddressbookSyncCompleted.compareAndSet(false, true));
2002            updateRosterUi();
2003            mQuickConversationsService.considerSync();
2004        });
2005    }
2006
2007
2008    public void syncRoster(final Account 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    public void joinMuc(Conversation conversation) {
2815        joinMuc(conversation, null, false);
2816    }
2817
2818    public void joinMuc(Conversation conversation, boolean followedInvite) {
2819        joinMuc(conversation, null, followedInvite);
2820    }
2821
2822    private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2823        joinMuc(conversation, onConferenceJoined, false);
2824    }
2825
2826    private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined, final boolean followedInvite) {
2827        final Account account = conversation.getAccount();
2828        synchronized (account.pendingConferenceJoins) {
2829            account.pendingConferenceJoins.remove(conversation);
2830        }
2831        synchronized (account.pendingConferenceLeaves) {
2832            account.pendingConferenceLeaves.remove(conversation);
2833        }
2834        if (account.getStatus() == Account.State.ONLINE) {
2835            synchronized (account.inProgressConferenceJoins) {
2836                account.inProgressConferenceJoins.add(conversation);
2837            }
2838            if (Config.MUC_LEAVE_BEFORE_JOIN) {
2839                sendPresencePacket(account, mPresenceGenerator.leave(conversation.getMucOptions()));
2840            }
2841            conversation.resetMucOptions();
2842            if (onConferenceJoined != null) {
2843                conversation.getMucOptions().flagNoAutoPushConfiguration();
2844            }
2845            conversation.setHasMessagesLeftOnServer(false);
2846            fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
2847
2848                private void join(Conversation conversation) {
2849                    Account account = conversation.getAccount();
2850                    final MucOptions mucOptions = conversation.getMucOptions();
2851
2852                    if (mucOptions.nonanonymous() && !mucOptions.membersOnly() && !conversation.getBooleanAttribute("accept_non_anonymous", false)) {
2853                        synchronized (account.inProgressConferenceJoins) {
2854                            account.inProgressConferenceJoins.remove(conversation);
2855                        }
2856                        mucOptions.setError(MucOptions.Error.NON_ANONYMOUS);
2857                        updateConversationUi();
2858                        if (onConferenceJoined != null) {
2859                            onConferenceJoined.onConferenceJoined(conversation);
2860                        }
2861                        return;
2862                    }
2863
2864                    final Jid joinJid = mucOptions.getSelf().getFullJid();
2865                    Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": joining conversation " + joinJid.toString());
2866                    PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous() || onConferenceJoined != null);
2867                    packet.setTo(joinJid);
2868                    Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
2869                    if (conversation.getMucOptions().getPassword() != null) {
2870                        x.addChild("password").setContent(mucOptions.getPassword());
2871                    }
2872
2873                    if (mucOptions.mamSupport()) {
2874                        // Use MAM instead of the limited muc history to get history
2875                        x.addChild("history").setAttribute("maxchars", "0");
2876                    } else {
2877                        // Fallback to muc history
2878                        x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted().getTimestamp()));
2879                    }
2880                    sendPresencePacket(account, packet);
2881                    if (onConferenceJoined != null) {
2882                        onConferenceJoined.onConferenceJoined(conversation);
2883                    }
2884                    if (!joinJid.equals(conversation.getJid())) {
2885                        conversation.setContactJid(joinJid);
2886                        databaseBackend.updateConversation(conversation);
2887                    }
2888
2889                    if (mucOptions.mamSupport()) {
2890                        getMessageArchiveService().catchupMUC(conversation);
2891                    }
2892                    if (mucOptions.isPrivateAndNonAnonymous()) {
2893                        fetchConferenceMembers(conversation);
2894
2895                        if (followedInvite) {
2896                            final Bookmark bookmark = conversation.getBookmark();
2897                            if (bookmark != null) {
2898                                if (!bookmark.autojoin()) {
2899                                    bookmark.setAutojoin(true);
2900                                    createBookmark(account, bookmark);
2901                                }
2902                            } else {
2903                                saveConversationAsBookmark(conversation, null);
2904                            }
2905                        }
2906                    }
2907                    synchronized (account.inProgressConferenceJoins) {
2908                        account.inProgressConferenceJoins.remove(conversation);
2909                        sendUnsentMessages(conversation);
2910                    }
2911                }
2912
2913                @Override
2914                public void onConferenceConfigurationFetched(Conversation conversation) {
2915                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2916                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": conversation (" + conversation.getJid() + ") got archived before IQ result");
2917                        return;
2918                    }
2919                    join(conversation);
2920                }
2921
2922                @Override
2923                public void onFetchFailed(final Conversation conversation, final String errorCondition) {
2924                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2925                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": conversation (" + conversation.getJid() + ") got archived before IQ result");
2926                        return;
2927                    }
2928                    if ("remote-server-not-found".equals(errorCondition)) {
2929                        synchronized (account.inProgressConferenceJoins) {
2930                            account.inProgressConferenceJoins.remove(conversation);
2931                        }
2932                        conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
2933                        updateConversationUi();
2934                    } else {
2935                        join(conversation);
2936                        fetchConferenceConfiguration(conversation);
2937                    }
2938                }
2939            });
2940            updateConversationUi();
2941        } else {
2942            synchronized (account.pendingConferenceJoins) {
2943                account.pendingConferenceJoins.add(conversation);
2944            }
2945            conversation.resetMucOptions();
2946            conversation.setHasMessagesLeftOnServer(false);
2947            updateConversationUi();
2948        }
2949    }
2950
2951    private void fetchConferenceMembers(final Conversation conversation) {
2952        final Account account = conversation.getAccount();
2953        final AxolotlService axolotlService = account.getAxolotlService();
2954        final String[] affiliations = {"member", "admin", "owner"};
2955        OnIqPacketReceived callback = new OnIqPacketReceived() {
2956
2957            private int i = 0;
2958            private boolean success = true;
2959
2960            @Override
2961            public void onIqPacketReceived(Account account, IqPacket packet) {
2962                final boolean omemoEnabled = conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL;
2963                Element query = packet.query("http://jabber.org/protocol/muc#admin");
2964                if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2965                    for (Element child : query.getChildren()) {
2966                        if ("item".equals(child.getName())) {
2967                            MucOptions.User user = AbstractParser.parseItem(conversation, child);
2968                            if (!user.realJidMatchesAccount()) {
2969                                boolean isNew = conversation.getMucOptions().updateUser(user);
2970                                Contact contact = user.getContact();
2971                                if (omemoEnabled
2972                                        && isNew
2973                                        && user.getRealJid() != null
2974                                        && (contact == null || !contact.mutualPresenceSubscription())
2975                                        && axolotlService.hasEmptyDeviceList(user.getRealJid())) {
2976                                    axolotlService.fetchDeviceIds(user.getRealJid());
2977                                }
2978                            }
2979                        }
2980                    }
2981                } else {
2982                    success = false;
2983                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not request affiliation " + affiliations[i] + " in " + conversation.getJid().asBareJid());
2984                }
2985                ++i;
2986                if (i >= affiliations.length) {
2987                    List<Jid> members = conversation.getMucOptions().getMembers(true);
2988                    if (success) {
2989                        List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
2990                        boolean changed = false;
2991                        for (ListIterator<Jid> iterator = cryptoTargets.listIterator(); iterator.hasNext(); ) {
2992                            Jid jid = iterator.next();
2993                            if (!members.contains(jid) && !members.contains(jid.getDomain())) {
2994                                iterator.remove();
2995                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
2996                                changed = true;
2997                            }
2998                        }
2999                        if (changed) {
3000                            conversation.setAcceptedCryptoTargets(cryptoTargets);
3001                            updateConversation(conversation);
3002                        }
3003                    }
3004                    getAvatarService().clear(conversation);
3005                    updateMucRosterUi();
3006                    updateConversationUi();
3007                }
3008            }
3009        };
3010        for (String affiliation : affiliations) {
3011            sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
3012        }
3013        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching members for " + conversation.getName());
3014    }
3015
3016    public void providePasswordForMuc(Conversation conversation, String password) {
3017        if (conversation.getMode() == Conversation.MODE_MULTI) {
3018            conversation.getMucOptions().setPassword(password);
3019            if (conversation.getBookmark() != null) {
3020                final Bookmark bookmark = conversation.getBookmark();
3021                if (synchronizeWithBookmarks()) {
3022                    bookmark.setAutojoin(true);
3023                }
3024                createBookmark(conversation.getAccount(), bookmark);
3025            }
3026            updateConversation(conversation);
3027            joinMuc(conversation);
3028        }
3029    }
3030
3031    public void deleteAvatar(final Account account) {
3032        final AtomicBoolean executed = new AtomicBoolean(false);
3033        final Runnable onDeleted =
3034                () -> {
3035                    if (executed.compareAndSet(false, true)) {
3036                        account.setAvatar(null);
3037                        databaseBackend.updateAccount(account);
3038                        getAvatarService().clear(account);
3039                        updateAccountUi();
3040                    }
3041                };
3042        deleteVcardAvatar(account, onDeleted);
3043        deletePepNode(account, Namespace.AVATAR_DATA);
3044        deletePepNode(account, Namespace.AVATAR_METADATA, onDeleted);
3045    }
3046
3047    public void deletePepNode(final Account account, final String node) {
3048        deletePepNode(account, node, null);
3049    }
3050
3051    private void deletePepNode(final Account account, final String node, final Runnable runnable) {
3052        final IqPacket request = mIqGenerator.deleteNode(node);
3053        sendIqPacket(account, request, (a, packet) -> {
3054            if (packet.getType() == IqPacket.TYPE.RESULT) {
3055                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": successfully deleted pep node "+node);
3056                if (runnable != null) {
3057                    runnable.run();
3058                }
3059            } else {
3060                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": failed to delete "+ packet);
3061            }
3062        });
3063    }
3064
3065    private void deleteVcardAvatar(final Account account, @NonNull final Runnable runnable) {
3066        final IqPacket retrieveVcard = mIqGenerator.retrieveVcardAvatar(account.getJid().asBareJid());
3067        sendIqPacket(account, retrieveVcard, (a, response) -> {
3068            if (response.getType() != IqPacket.TYPE.RESULT) {
3069                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": no vCard set. nothing to do");
3070                return;
3071            }
3072            final Element vcard = response.findChild("vCard", "vcard-temp");
3073            if (vcard == null) {
3074                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": no vCard set. nothing to do");
3075                return;
3076            }
3077            Element photo = vcard.findChild("PHOTO");
3078            if (photo == null) {
3079                photo = vcard.addChild("PHOTO");
3080            }
3081            photo.clearChildren();
3082            IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
3083            publication.setTo(a.getJid().asBareJid());
3084            publication.addChild(vcard);
3085            sendIqPacket(account, publication, (a1, publicationResponse) -> {
3086                if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
3087                    Log.d(Config.LOGTAG,a1.getJid().asBareJid()+": successfully deleted vcard avatar");
3088                    runnable.run();
3089                } else {
3090                    Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getErrorCondition());
3091                }
3092            });
3093        });
3094    }
3095
3096    private boolean hasEnabledAccounts() {
3097        if (this.accounts == null) {
3098            return false;
3099        }
3100        for (Account account : this.accounts) {
3101            if (account.isEnabled()) {
3102                return true;
3103            }
3104        }
3105        return false;
3106    }
3107
3108
3109    public void getAttachments(final Conversation conversation, int limit, final OnMediaLoaded onMediaLoaded) {
3110        getAttachments(conversation.getAccount(), conversation.getJid().asBareJid(), limit, onMediaLoaded);
3111    }
3112
3113    public void getAttachments(final Account account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
3114        getAttachments(account.getUuid(), jid.asBareJid(), limit, onMediaLoaded);
3115    }
3116
3117
3118    public void getAttachments(final String account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
3119        new Thread(() -> onMediaLoaded.onMediaLoaded(fileBackend.convertToAttachments(databaseBackend.getRelativeFilePaths(account, jid, limit)))).start();
3120    }
3121
3122    public void persistSelfNick(MucOptions.User self) {
3123        final Conversation conversation = self.getConversation();
3124        final boolean tookProposedNickFromBookmark = conversation.getMucOptions().isTookProposedNickFromBookmark();
3125        Jid full = self.getFullJid();
3126        if (!full.equals(conversation.getJid())) {
3127            Log.d(Config.LOGTAG, "nick changed. updating");
3128            conversation.setContactJid(full);
3129            databaseBackend.updateConversation(conversation);
3130        }
3131
3132        final Bookmark bookmark = conversation.getBookmark();
3133        final String bookmarkedNick = bookmark == null ? null : bookmark.getNick();
3134        if (bookmark != null && (tookProposedNickFromBookmark || TextUtils.isEmpty(bookmarkedNick)) && !full.getResource().equals(bookmarkedNick)) {
3135            final Account account = conversation.getAccount();
3136            final String defaultNick = MucOptions.defaultNick(account);
3137            if (TextUtils.isEmpty(bookmarkedNick) && full.getResource().equals(defaultNick)) {
3138                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": do not overwrite empty bookmark nick with default nick for " + conversation.getJid().asBareJid());
3139                return;
3140            }
3141            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": persist nick '" + full.getResource() + "' into bookmark for " + conversation.getJid().asBareJid());
3142            bookmark.setNick(full.getResource());
3143            createBookmark(bookmark.getAccount(), bookmark);
3144        }
3145    }
3146
3147    public boolean renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
3148        final MucOptions options = conversation.getMucOptions();
3149        final Jid joinJid = options.createJoinJid(nick);
3150        if (joinJid == null) {
3151            return false;
3152        }
3153        if (options.online()) {
3154            Account account = conversation.getAccount();
3155            options.setOnRenameListener(new OnRenameListener() {
3156
3157                @Override
3158                public void onSuccess() {
3159                    callback.success(conversation);
3160                }
3161
3162                @Override
3163                public void onFailure() {
3164                    callback.error(R.string.nick_in_use, conversation);
3165                }
3166            });
3167
3168            final PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, options.nonanonymous());
3169            packet.setTo(joinJid);
3170            sendPresencePacket(account, packet);
3171        } else {
3172            conversation.setContactJid(joinJid);
3173            databaseBackend.updateConversation(conversation);
3174            if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
3175                Bookmark bookmark = conversation.getBookmark();
3176                if (bookmark != null) {
3177                    bookmark.setNick(nick);
3178                    createBookmark(bookmark.getAccount(), bookmark);
3179                }
3180                joinMuc(conversation);
3181            }
3182        }
3183        return true;
3184    }
3185
3186    public void leaveMuc(Conversation conversation) {
3187        leaveMuc(conversation, false);
3188    }
3189
3190    private void leaveMuc(Conversation conversation, boolean now) {
3191        final Account account = conversation.getAccount();
3192        synchronized (account.pendingConferenceJoins) {
3193            account.pendingConferenceJoins.remove(conversation);
3194        }
3195        synchronized (account.pendingConferenceLeaves) {
3196            account.pendingConferenceLeaves.remove(conversation);
3197        }
3198        if (account.getStatus() == Account.State.ONLINE || now) {
3199            sendPresencePacket(conversation.getAccount(), mPresenceGenerator.leave(conversation.getMucOptions()));
3200            conversation.getMucOptions().setOffline();
3201            Bookmark bookmark = conversation.getBookmark();
3202            if (bookmark != null) {
3203                bookmark.setConversation(null);
3204            }
3205            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": leaving muc " + conversation.getJid());
3206        } else {
3207            synchronized (account.pendingConferenceLeaves) {
3208                account.pendingConferenceLeaves.add(conversation);
3209            }
3210        }
3211    }
3212
3213    public String findConferenceServer(final Account account) {
3214        String server;
3215        if (account.getXmppConnection() != null) {
3216            server = account.getXmppConnection().getMucServer();
3217            if (server != null) {
3218                return server;
3219            }
3220        }
3221        for (Account other : getAccounts()) {
3222            if (other != account && other.getXmppConnection() != null) {
3223                server = other.getXmppConnection().getMucServer();
3224                if (server != null) {
3225                    return server;
3226                }
3227            }
3228        }
3229        return null;
3230    }
3231
3232
3233    public void createPublicChannel(final Account account, final String name, final Jid address, final UiCallback<Conversation> callback) {
3234        joinMuc(findOrCreateConversation(account, address, true, false, true), conversation -> {
3235            final Bundle configuration = IqGenerator.defaultChannelConfiguration();
3236            if (!TextUtils.isEmpty(name)) {
3237                configuration.putString("muc#roomconfig_roomname", name);
3238            }
3239            pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
3240                @Override
3241                public void onPushSucceeded() {
3242                    saveConversationAsBookmark(conversation, name);
3243                    callback.success(conversation);
3244                }
3245
3246                @Override
3247                public void onPushFailed() {
3248                    if (conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
3249                        callback.error(R.string.unable_to_set_channel_configuration, conversation);
3250                    } else {
3251                        callback.error(R.string.joined_an_existing_channel, conversation);
3252                    }
3253                }
3254            });
3255        });
3256    }
3257
3258    public boolean createAdhocConference(final Account account,
3259                                         final String name,
3260                                         final Iterable<Jid> jids,
3261                                         final UiCallback<Conversation> callback) {
3262        Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": creating adhoc conference with " + jids.toString());
3263        if (account.getStatus() == Account.State.ONLINE) {
3264            try {
3265                String server = findConferenceServer(account);
3266                if (server == null) {
3267                    if (callback != null) {
3268                        callback.error(R.string.no_conference_server_found, null);
3269                    }
3270                    return false;
3271                }
3272                final Jid jid = Jid.of(CryptoHelper.pronounceable(getRNG()), server, null);
3273                final Conversation conversation = findOrCreateConversation(account, jid, true, false, true);
3274                joinMuc(conversation, new OnConferenceJoined() {
3275                    @Override
3276                    public void onConferenceJoined(final Conversation conversation) {
3277                        final Bundle configuration = IqGenerator.defaultGroupChatConfiguration();
3278                        if (!TextUtils.isEmpty(name)) {
3279                            configuration.putString("muc#roomconfig_roomname", name);
3280                        }
3281                        pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
3282                            @Override
3283                            public void onPushSucceeded() {
3284                                for (Jid invite : jids) {
3285                                    invite(conversation, invite);
3286                                }
3287                                for (String resource : account.getSelfContact().getPresences().toResourceArray()) {
3288                                    Jid other = account.getJid().withResource(resource);
3289                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending direct invite to " + other);
3290                                    directInvite(conversation, other);
3291                                }
3292                                saveConversationAsBookmark(conversation, name);
3293                                if (callback != null) {
3294                                    callback.success(conversation);
3295                                }
3296                            }
3297
3298                            @Override
3299                            public void onPushFailed() {
3300                                archiveConversation(conversation);
3301                                if (callback != null) {
3302                                    callback.error(R.string.conference_creation_failed, conversation);
3303                                }
3304                            }
3305                        });
3306                    }
3307                });
3308                return true;
3309            } catch (IllegalArgumentException e) {
3310                if (callback != null) {
3311                    callback.error(R.string.conference_creation_failed, null);
3312                }
3313                return false;
3314            }
3315        } else {
3316            if (callback != null) {
3317                callback.error(R.string.not_connected_try_again, null);
3318            }
3319            return false;
3320        }
3321    }
3322
3323    public void fetchConferenceConfiguration(final Conversation conversation) {
3324        fetchConferenceConfiguration(conversation, null);
3325    }
3326
3327    public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
3328        IqPacket request = mIqGenerator.queryDiscoInfo(conversation.getJid().asBareJid());
3329        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3330            @Override
3331            public void onIqPacketReceived(Account account, IqPacket packet) {
3332                if (packet.getType() == IqPacket.TYPE.RESULT) {
3333                    final MucOptions mucOptions = conversation.getMucOptions();
3334                    final Bookmark bookmark = conversation.getBookmark();
3335                    final boolean sameBefore = StringUtils.equals(bookmark == null ? null : bookmark.getBookmarkName(), mucOptions.getName());
3336
3337                    if (mucOptions.updateConfiguration(new ServiceDiscoveryResult(packet))) {
3338                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": muc configuration changed for " + conversation.getJid().asBareJid());
3339                        updateConversation(conversation);
3340                    }
3341
3342                    if (bookmark != null && (sameBefore || bookmark.getBookmarkName() == null)) {
3343                        if (bookmark.setBookmarkName(StringUtils.nullOnEmpty(mucOptions.getName()))) {
3344                            createBookmark(account, bookmark);
3345                        }
3346                    }
3347
3348
3349                    if (callback != null) {
3350                        callback.onConferenceConfigurationFetched(conversation);
3351                    }
3352
3353
3354                    updateConversationUi();
3355                } else if (packet.getType() == IqPacket.TYPE.TIMEOUT) {
3356                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received timeout waiting for conference configuration fetch");
3357                } else {
3358                    if (callback != null) {
3359                        callback.onFetchFailed(conversation, packet.getErrorCondition());
3360                    }
3361                }
3362            }
3363        });
3364    }
3365
3366    public void pushNodeConfiguration(Account account, final String node, final Bundle options, final OnConfigurationPushed callback) {
3367        pushNodeConfiguration(account, account.getJid().asBareJid(), node, options, callback);
3368    }
3369
3370    public void pushNodeConfiguration(Account account, final Jid jid, final String node, final Bundle options, final OnConfigurationPushed callback) {
3371        Log.d(Config.LOGTAG, "pushing node configuration");
3372        sendIqPacket(account, mIqGenerator.requestPubsubConfiguration(jid, node), new OnIqPacketReceived() {
3373            @Override
3374            public void onIqPacketReceived(Account account, IqPacket packet) {
3375                if (packet.getType() == IqPacket.TYPE.RESULT) {
3376                    Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub#owner");
3377                    Element configuration = pubsub == null ? null : pubsub.findChild("configure");
3378                    Element x = configuration == null ? null : configuration.findChild("x", Namespace.DATA);
3379                    if (x != null) {
3380                        Data data = Data.parse(x);
3381                        data.submit(options);
3382                        sendIqPacket(account, mIqGenerator.publishPubsubConfiguration(jid, node, data), new OnIqPacketReceived() {
3383                            @Override
3384                            public void onIqPacketReceived(Account account, IqPacket packet) {
3385                                if (packet.getType() == IqPacket.TYPE.RESULT && callback != null) {
3386                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": successfully changed node configuration for node " + node);
3387                                    callback.onPushSucceeded();
3388                                } else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3389                                    callback.onPushFailed();
3390                                }
3391                            }
3392                        });
3393                    } else if (callback != null) {
3394                        callback.onPushFailed();
3395                    }
3396                } else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3397                    callback.onPushFailed();
3398                }
3399            }
3400        });
3401    }
3402
3403    public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConfigurationPushed callback) {
3404        if (options.getString("muc#roomconfig_whois", "moderators").equals("anyone")) {
3405            conversation.setAttribute("accept_non_anonymous", true);
3406            updateConversation(conversation);
3407        }
3408        if (options.containsKey("muc#roomconfig_moderatedroom")) {
3409            final boolean moderated = "1".equals(options.getString("muc#roomconfig_moderatedroom"));
3410            options.putString("members_by_default", moderated ? "0" : "1");
3411        }
3412        final IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3413        request.setTo(conversation.getJid().asBareJid());
3414        request.query("http://jabber.org/protocol/muc#owner");
3415        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3416            @Override
3417            public void onIqPacketReceived(Account account, IqPacket packet) {
3418                if (packet.getType() == IqPacket.TYPE.RESULT) {
3419                    final Data data = Data.parse(packet.query().findChild("x", Namespace.DATA));
3420                    data.submit(options);
3421                    final IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3422                    set.setTo(conversation.getJid().asBareJid());
3423                    set.query("http://jabber.org/protocol/muc#owner").addChild(data);
3424                    sendIqPacket(account, set, new OnIqPacketReceived() {
3425                        @Override
3426                        public void onIqPacketReceived(Account account, IqPacket packet) {
3427                            if (callback != null) {
3428                                if (packet.getType() == IqPacket.TYPE.RESULT) {
3429                                    callback.onPushSucceeded();
3430                                } else {
3431                                    callback.onPushFailed();
3432                                }
3433                            }
3434                        }
3435                    });
3436                } else {
3437                    if (callback != null) {
3438                        callback.onPushFailed();
3439                    }
3440                }
3441            }
3442        });
3443    }
3444
3445    public void pushSubjectToConference(final Conversation conference, final String subject) {
3446        MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, StringUtils.nullOnEmpty(subject));
3447        this.sendMessagePacket(conference.getAccount(), packet);
3448    }
3449
3450    public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
3451        final Jid jid = user.asBareJid();
3452        final IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
3453        sendIqPacket(conference.getAccount(), request, (account, response) -> {
3454            if (response.getType() == IqPacket.TYPE.RESULT) {
3455                conference.getMucOptions().changeAffiliation(jid, affiliation);
3456                getAvatarService().clear(conference);
3457                if (callback != null) {
3458                    callback.onAffiliationChangedSuccessful(jid);
3459                } else {
3460                    Log.d(Config.LOGTAG, "changed affiliation of " + user + " to " + affiliation);
3461                }
3462            } else if (callback != null) {
3463                callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
3464            } else {
3465                Log.d(Config.LOGTAG, "unable to change affiliation");
3466            }
3467        });
3468    }
3469
3470    public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role) {
3471        IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
3472        sendIqPacket(conference.getAccount(), request, (account, packet) -> {
3473            if (packet.getType() != IqPacket.TYPE.RESULT) {
3474                Log.d(Config.LOGTAG, account.getJid().asBareJid() + " unable to change role of " + nick);
3475            }
3476        });
3477    }
3478
3479    public void destroyRoom(final Conversation conversation, final OnRoomDestroy callback) {
3480        IqPacket request = new IqPacket(IqPacket.TYPE.SET);
3481        request.setTo(conversation.getJid().asBareJid());
3482        request.query("http://jabber.org/protocol/muc#owner").addChild("destroy");
3483        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3484            @Override
3485            public void onIqPacketReceived(Account account, IqPacket packet) {
3486                if (packet.getType() == IqPacket.TYPE.RESULT) {
3487                    if (callback != null) {
3488                        callback.onRoomDestroySucceeded();
3489                    }
3490                } else if (packet.getType() == IqPacket.TYPE.ERROR) {
3491                    if (callback != null) {
3492                        callback.onRoomDestroyFailed();
3493                    }
3494                }
3495            }
3496        });
3497    }
3498
3499    private void disconnect(Account account, boolean force) {
3500        if ((account.getStatus() == Account.State.ONLINE)
3501                || (account.getStatus() == Account.State.DISABLED)) {
3502            final XmppConnection connection = account.getXmppConnection();
3503            if (!force) {
3504                List<Conversation> conversations = getConversations();
3505                for (Conversation conversation : conversations) {
3506                    if (conversation.getAccount() == account) {
3507                        if (conversation.getMode() == Conversation.MODE_MULTI) {
3508                            leaveMuc(conversation, true);
3509                        }
3510                    }
3511                }
3512                sendOfflinePresence(account);
3513            }
3514            connection.disconnect(force);
3515        }
3516    }
3517
3518    @Override
3519    public IBinder onBind(Intent intent) {
3520        return mBinder;
3521    }
3522
3523    public void updateMessage(Message message) {
3524        updateMessage(message, true);
3525    }
3526
3527    public void updateMessage(Message message, boolean includeBody) {
3528        databaseBackend.updateMessage(message, includeBody);
3529        updateConversationUi();
3530    }
3531
3532    public void createMessageAsync(final Message message) {
3533        mDatabaseWriterExecutor.execute(() -> databaseBackend.createMessage(message));
3534    }
3535
3536    public void updateMessage(Message message, String uuid) {
3537        if (!databaseBackend.updateMessage(message, uuid)) {
3538            Log.e(Config.LOGTAG, "error updated message in DB after edit");
3539        }
3540        updateConversationUi();
3541    }
3542
3543    protected void syncDirtyContacts(Account account) {
3544        for (Contact contact : account.getRoster().getContacts()) {
3545            if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
3546                pushContactToServer(contact);
3547            }
3548            if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
3549                deleteContactOnServer(contact);
3550            }
3551        }
3552    }
3553
3554    public void createContact(final Contact contact, final boolean autoGrant) {
3555        createContact(contact, autoGrant, null);
3556    }
3557
3558    public void createContact(final Contact contact, final boolean autoGrant, final String preAuth) {
3559        if (autoGrant) {
3560            contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
3561            contact.setOption(Contact.Options.ASKING);
3562        }
3563        pushContactToServer(contact, preAuth);
3564    }
3565
3566    public void pushContactToServer(final Contact contact) {
3567        pushContactToServer(contact, null);
3568    }
3569
3570    private void pushContactToServer(final Contact contact, final String preAuth) {
3571        contact.resetOption(Contact.Options.DIRTY_DELETE);
3572        contact.setOption(Contact.Options.DIRTY_PUSH);
3573        final Account account = contact.getAccount();
3574        if (account.getStatus() == Account.State.ONLINE) {
3575            final boolean ask = contact.getOption(Contact.Options.ASKING);
3576            final boolean sendUpdates = contact
3577                    .getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
3578                    && contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
3579            final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3580            iq.query(Namespace.ROSTER).addChild(contact.asElement());
3581            account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3582            if (sendUpdates) {
3583                sendPresencePacket(account, mPresenceGenerator.sendPresenceUpdatesTo(contact));
3584            }
3585            if (ask) {
3586                sendPresencePacket(account, mPresenceGenerator.requestPresenceUpdatesFrom(contact, preAuth));
3587            }
3588        } else {
3589            syncRoster(contact.getAccount());
3590        }
3591    }
3592
3593    public void publishMucAvatar(final Conversation conversation, final Uri image, final OnAvatarPublication callback) {
3594        new Thread(() -> {
3595            final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3596            final int size = Config.AVATAR_SIZE;
3597            final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3598            if (avatar != null) {
3599                if (!getFileBackend().save(avatar)) {
3600                    callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3601                    return;
3602                }
3603                avatar.owner = conversation.getJid().asBareJid();
3604                publishMucAvatar(conversation, avatar, callback);
3605            } else {
3606                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3607            }
3608        }).start();
3609    }
3610
3611    public void publishAvatar(final Account account, final Uri image, final OnAvatarPublication callback) {
3612        new Thread(() -> {
3613            final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3614            final int size = Config.AVATAR_SIZE;
3615            final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3616            if (avatar != null) {
3617                if (!getFileBackend().save(avatar)) {
3618                    Log.d(Config.LOGTAG, "unable to save vcard");
3619                    callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3620                    return;
3621                }
3622                publishAvatar(account, avatar, callback);
3623            } else {
3624                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3625            }
3626        }).start();
3627
3628    }
3629
3630    private void publishMucAvatar(Conversation conversation, Avatar avatar, OnAvatarPublication callback) {
3631        final IqPacket retrieve = mIqGenerator.retrieveVcardAvatar(avatar);
3632        sendIqPacket(conversation.getAccount(), retrieve, (account, response) -> {
3633            boolean itemNotFound = response.getType() == IqPacket.TYPE.ERROR && response.hasChild("error") && response.findChild("error").hasChild("item-not-found");
3634            if (response.getType() == IqPacket.TYPE.RESULT || itemNotFound) {
3635                Element vcard = response.findChild("vCard", "vcard-temp");
3636                if (vcard == null) {
3637                    vcard = new Element("vCard", "vcard-temp");
3638                }
3639                Element photo = vcard.findChild("PHOTO");
3640                if (photo == null) {
3641                    photo = vcard.addChild("PHOTO");
3642                }
3643                photo.clearChildren();
3644                photo.addChild("TYPE").setContent(avatar.type);
3645                photo.addChild("BINVAL").setContent(avatar.image);
3646                IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
3647                publication.setTo(conversation.getJid().asBareJid());
3648                publication.addChild(vcard);
3649                sendIqPacket(account, publication, (a1, publicationResponse) -> {
3650                    if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
3651                        callback.onAvatarPublicationSucceeded();
3652                    } else {
3653                        Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getErrorCondition());
3654                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3655                    }
3656                });
3657            } else {
3658                Log.d(Config.LOGTAG, "failed to request vcard " + response.toString());
3659                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_no_server_support);
3660            }
3661        });
3662    }
3663
3664    public void publishAvatar(Account account, final Avatar avatar, final OnAvatarPublication callback) {
3665        final Bundle options;
3666        if (account.getXmppConnection().getFeatures().pepPublishOptions()) {
3667            options = PublishOptions.openAccess();
3668        } else {
3669            options = null;
3670        }
3671        publishAvatar(account, avatar, options, true, callback);
3672    }
3673
3674    public void publishAvatar(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3675        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": publishing avatar. options=" + options);
3676        IqPacket packet = this.mIqGenerator.publishAvatar(avatar, options);
3677        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3678
3679            @Override
3680            public void onIqPacketReceived(Account account, IqPacket result) {
3681                if (result.getType() == IqPacket.TYPE.RESULT) {
3682                    publishAvatarMetadata(account, avatar, options, true, callback);
3683                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3684                    pushNodeConfiguration(account, Namespace.AVATAR_DATA, options, new OnConfigurationPushed() {
3685                        @Override
3686                        public void onPushSucceeded() {
3687                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": changed node configuration for avatar node");
3688                            publishAvatar(account, avatar, options, false, callback);
3689                        }
3690
3691                        @Override
3692                        public void onPushFailed() {
3693                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to change node configuration for avatar node");
3694                            publishAvatar(account, avatar, null, false, callback);
3695                        }
3696                    });
3697                } else {
3698                    Element error = result.findChild("error");
3699                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server rejected avatar " + (avatar.size / 1024) + "KiB " + (error != null ? error.toString() : ""));
3700                    if (callback != null) {
3701                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3702                    }
3703                }
3704            }
3705        });
3706    }
3707
3708    public void publishAvatarMetadata(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3709        final IqPacket packet = XmppConnectionService.this.mIqGenerator.publishAvatarMetadata(avatar, options);
3710        sendIqPacket(account, packet, new OnIqPacketReceived() {
3711            @Override
3712            public void onIqPacketReceived(Account account, IqPacket result) {
3713                if (result.getType() == IqPacket.TYPE.RESULT) {
3714                    if (account.setAvatar(avatar.getFilename())) {
3715                        getAvatarService().clear(account);
3716                        databaseBackend.updateAccount(account);
3717                        notifyAccountAvatarHasChanged(account);
3718                    }
3719                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": published avatar " + (avatar.size / 1024) + "KiB");
3720                    if (callback != null) {
3721                        callback.onAvatarPublicationSucceeded();
3722                    }
3723                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3724                    pushNodeConfiguration(account, Namespace.AVATAR_METADATA, options, new OnConfigurationPushed() {
3725                        @Override
3726                        public void onPushSucceeded() {
3727                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": changed node configuration for avatar meta data node");
3728                            publishAvatarMetadata(account, avatar, options, false, callback);
3729                        }
3730
3731                        @Override
3732                        public void onPushFailed() {
3733                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to change node configuration for avatar meta data node");
3734                            publishAvatarMetadata(account, avatar, null, false, callback);
3735                        }
3736                    });
3737                } else {
3738                    if (callback != null) {
3739                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3740                    }
3741                }
3742            }
3743        });
3744    }
3745
3746    public void republishAvatarIfNeeded(Account account) {
3747        if (account.getAxolotlService().isPepBroken()) {
3748            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping republication of avatar because pep is broken");
3749            return;
3750        }
3751        IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3752        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3753
3754            private Avatar parseAvatar(IqPacket packet) {
3755                Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3756                if (pubsub != null) {
3757                    Element items = pubsub.findChild("items");
3758                    if (items != null) {
3759                        return Avatar.parseMetadata(items);
3760                    }
3761                }
3762                return null;
3763            }
3764
3765            private boolean errorIsItemNotFound(IqPacket packet) {
3766                Element error = packet.findChild("error");
3767                return packet.getType() == IqPacket.TYPE.ERROR
3768                        && error != null
3769                        && error.hasChild("item-not-found");
3770            }
3771
3772            @Override
3773            public void onIqPacketReceived(Account account, IqPacket packet) {
3774                if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
3775                    Avatar serverAvatar = parseAvatar(packet);
3776                    if (serverAvatar == null && account.getAvatar() != null) {
3777                        Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
3778                        if (avatar != null) {
3779                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar on server was null. republishing");
3780                            publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
3781                        } else {
3782                            Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": error rereading avatar");
3783                        }
3784                    }
3785                }
3786            }
3787        });
3788    }
3789
3790    public void fetchAvatar(Account account, Avatar avatar) {
3791        fetchAvatar(account, avatar, null);
3792    }
3793
3794    public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3795        final String KEY = generateFetchKey(account, avatar);
3796        synchronized (this.mInProgressAvatarFetches) {
3797            if (mInProgressAvatarFetches.add(KEY)) {
3798                switch (avatar.origin) {
3799                    case PEP:
3800                        this.mInProgressAvatarFetches.add(KEY);
3801                        fetchAvatarPep(account, avatar, callback);
3802                        break;
3803                    case VCARD:
3804                        this.mInProgressAvatarFetches.add(KEY);
3805                        fetchAvatarVcard(account, avatar, callback);
3806                        break;
3807                }
3808            } else if (avatar.origin == Avatar.Origin.PEP) {
3809                mOmittedPepAvatarFetches.add(KEY);
3810            } else {
3811                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": already fetching " + avatar.origin + " avatar for " + avatar.owner);
3812            }
3813        }
3814    }
3815
3816    private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3817        IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
3818        sendIqPacket(account, packet, (a, result) -> {
3819            synchronized (mInProgressAvatarFetches) {
3820                mInProgressAvatarFetches.remove(generateFetchKey(a, avatar));
3821            }
3822            final String ERROR = a.getJid().asBareJid() + ": fetching avatar for " + avatar.owner + " failed ";
3823            if (result.getType() == IqPacket.TYPE.RESULT) {
3824                avatar.image = mIqParser.avatarData(result);
3825                if (avatar.image != null) {
3826                    if (getFileBackend().save(avatar)) {
3827                        if (a.getJid().asBareJid().equals(avatar.owner)) {
3828                            if (a.setAvatar(avatar.getFilename())) {
3829                                databaseBackend.updateAccount(a);
3830                            }
3831                            getAvatarService().clear(a);
3832                            updateConversationUi();
3833                            updateAccountUi();
3834                        } else {
3835                            final Contact contact = a.getRoster().getContact(avatar.owner);
3836                            contact.setAvatar(avatar);
3837                            syncRoster(account);
3838                            getAvatarService().clear(contact);
3839                            updateConversationUi();
3840                            updateRosterUi();
3841                        }
3842                        if (callback != null) {
3843                            callback.success(avatar);
3844                        }
3845                        Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": successfully fetched pep avatar for " + avatar.owner);
3846                        return;
3847                    }
3848                } else {
3849
3850                    Log.d(Config.LOGTAG, ERROR + "(parsing error)");
3851                }
3852            } else {
3853                Element error = result.findChild("error");
3854                if (error == null) {
3855                    Log.d(Config.LOGTAG, ERROR + "(server error)");
3856                } else {
3857                    Log.d(Config.LOGTAG, ERROR + error.toString());
3858                }
3859            }
3860            if (callback != null) {
3861                callback.error(0, null);
3862            }
3863
3864        });
3865    }
3866
3867    private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3868        IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
3869        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3870            @Override
3871            public void onIqPacketReceived(Account account, IqPacket packet) {
3872                final boolean previouslyOmittedPepFetch;
3873                synchronized (mInProgressAvatarFetches) {
3874                    final String KEY = generateFetchKey(account, avatar);
3875                    mInProgressAvatarFetches.remove(KEY);
3876                    previouslyOmittedPepFetch = mOmittedPepAvatarFetches.remove(KEY);
3877                }
3878                if (packet.getType() == IqPacket.TYPE.RESULT) {
3879                    Element vCard = packet.findChild("vCard", "vcard-temp");
3880                    Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
3881                    String image = photo != null ? photo.findChildContent("BINVAL") : null;
3882                    if (image != null) {
3883                        avatar.image = image;
3884                        if (getFileBackend().save(avatar)) {
3885                            Log.d(Config.LOGTAG, account.getJid().asBareJid()
3886                                    + ": successfully fetched vCard avatar for " + avatar.owner + " omittedPep=" + previouslyOmittedPepFetch);
3887                            if (avatar.owner.isBareJid()) {
3888                                if (account.getJid().asBareJid().equals(avatar.owner) && account.getAvatar() == null) {
3889                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": had no avatar. replacing with vcard");
3890                                    account.setAvatar(avatar.getFilename());
3891                                    databaseBackend.updateAccount(account);
3892                                    getAvatarService().clear(account);
3893                                    updateAccountUi();
3894                                } else {
3895                                    final Contact contact = account.getRoster().getContact(avatar.owner);
3896                                    contact.setAvatar(avatar, previouslyOmittedPepFetch);
3897                                    syncRoster(account);
3898                                    getAvatarService().clear(contact);
3899                                    updateRosterUi();
3900                                }
3901                                updateConversationUi();
3902                            } else {
3903                                Conversation conversation = find(account, avatar.owner.asBareJid());
3904                                if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
3905                                    MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
3906                                    if (user != null) {
3907                                        if (user.setAvatar(avatar)) {
3908                                            getAvatarService().clear(user);
3909                                            updateConversationUi();
3910                                            updateMucRosterUi();
3911                                        }
3912                                        if (user.getRealJid() != null) {
3913                                            Contact contact = account.getRoster().getContact(user.getRealJid());
3914                                            contact.setAvatar(avatar);
3915                                            syncRoster(account);
3916                                            getAvatarService().clear(contact);
3917                                            updateRosterUi();
3918                                        }
3919                                    }
3920                                }
3921                            }
3922                        }
3923                    }
3924                }
3925            }
3926        });
3927    }
3928
3929    public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
3930        IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3931        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3932
3933            @Override
3934            public void onIqPacketReceived(Account account, IqPacket packet) {
3935                if (packet.getType() == IqPacket.TYPE.RESULT) {
3936                    Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3937                    if (pubsub != null) {
3938                        Element items = pubsub.findChild("items");
3939                        if (items != null) {
3940                            Avatar avatar = Avatar.parseMetadata(items);
3941                            if (avatar != null) {
3942                                avatar.owner = account.getJid().asBareJid();
3943                                if (fileBackend.isAvatarCached(avatar)) {
3944                                    if (account.setAvatar(avatar.getFilename())) {
3945                                        databaseBackend.updateAccount(account);
3946                                    }
3947                                    getAvatarService().clear(account);
3948                                    callback.success(avatar);
3949                                } else {
3950                                    fetchAvatarPep(account, avatar, callback);
3951                                }
3952                                return;
3953                            }
3954                        }
3955                    }
3956                }
3957                callback.error(0, null);
3958            }
3959        });
3960    }
3961
3962    public void notifyAccountAvatarHasChanged(final Account account) {
3963        final XmppConnection connection = account.getXmppConnection();
3964        if (connection != null && connection.getFeatures().bookmarksConversion()) {
3965            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar changed. resending presence to online group chats");
3966            for (Conversation conversation : conversations) {
3967                if (conversation.getAccount() == account && conversation.getMode() == Conversational.MODE_MULTI) {
3968                    final MucOptions mucOptions = conversation.getMucOptions();
3969                    if (mucOptions.online()) {
3970                        PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous());
3971                        packet.setTo(mucOptions.getSelf().getFullJid());
3972                        connection.sendPresencePacket(packet);
3973                    }
3974                }
3975            }
3976        }
3977    }
3978
3979    public void deleteContactOnServer(Contact contact) {
3980        contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
3981        contact.resetOption(Contact.Options.DIRTY_PUSH);
3982        contact.setOption(Contact.Options.DIRTY_DELETE);
3983        Account account = contact.getAccount();
3984        if (account.getStatus() == Account.State.ONLINE) {
3985            IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3986            Element item = iq.query(Namespace.ROSTER).addChild("item");
3987            item.setAttribute("jid", contact.getJid());
3988            item.setAttribute("subscription", "remove");
3989            account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3990        }
3991    }
3992
3993    public void updateConversation(final Conversation conversation) {
3994        mDatabaseWriterExecutor.execute(() -> databaseBackend.updateConversation(conversation));
3995    }
3996
3997    private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
3998        synchronized (account) {
3999            XmppConnection connection = account.getXmppConnection();
4000            if (connection == null) {
4001                connection = createConnection(account);
4002                account.setXmppConnection(connection);
4003            }
4004            boolean hasInternet = hasInternetConnection();
4005            if (account.isEnabled() && hasInternet) {
4006                if (!force) {
4007                    disconnect(account, false);
4008                }
4009                Thread thread = new Thread(connection);
4010                connection.setInteractive(interactive);
4011                connection.prepareNewConnection();
4012                connection.interrupt();
4013                thread.start();
4014                scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
4015            } else {
4016                disconnect(account, force || account.getTrueStatus().isError() || !hasInternet);
4017                account.getRoster().clearPresences();
4018                connection.resetEverything();
4019                final AxolotlService axolotlService = account.getAxolotlService();
4020                if (axolotlService != null) {
4021                    axolotlService.resetBrokenness();
4022                }
4023                if (!hasInternet) {
4024                    account.setStatus(Account.State.NO_INTERNET);
4025                }
4026            }
4027        }
4028    }
4029
4030    public void reconnectAccountInBackground(final Account account) {
4031        new Thread(() -> reconnectAccount(account, false, true)).start();
4032    }
4033
4034    public void invite(final Conversation conversation, final Jid contact) {
4035        Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": inviting " + contact + " to " + conversation.getJid().asBareJid());
4036        final MucOptions.User user = conversation.getMucOptions().findUserByRealJid(contact.asBareJid());
4037        if (user == null || user.getAffiliation() == MucOptions.Affiliation.OUTCAST) {
4038            changeAffiliationInConference(conversation, contact, MucOptions.Affiliation.NONE, null);
4039        }
4040        final MessagePacket packet = mMessageGenerator.invite(conversation, contact);
4041        sendMessagePacket(conversation.getAccount(), packet);
4042    }
4043
4044    public void directInvite(Conversation conversation, Jid jid) {
4045        MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
4046        sendMessagePacket(conversation.getAccount(), packet);
4047    }
4048
4049    public void resetSendingToWaiting(Account account) {
4050        for (Conversation conversation : getConversations()) {
4051            if (conversation.getAccount() == account) {
4052                conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
4053            }
4054        }
4055    }
4056
4057    public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
4058        return markMessage(account, recipient, uuid, status, null);
4059    }
4060
4061    public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
4062        if (uuid == null) {
4063            return null;
4064        }
4065        for (Conversation conversation : getConversations()) {
4066            if (conversation.getJid().asBareJid().equals(recipient) && conversation.getAccount() == account) {
4067                final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
4068                if (message != null) {
4069                    markMessage(message, status, errorMessage);
4070                }
4071                return message;
4072            }
4073        }
4074        return null;
4075    }
4076
4077    public boolean markMessage(final Conversation conversation, final String uuid, final int status, final String serverMessageId) {
4078        return markMessage(conversation, uuid, status, serverMessageId, null);
4079    }
4080
4081    public boolean markMessage(final Conversation conversation, final String uuid, final int status, final String serverMessageId, final LocalizedContent body) {
4082        if (uuid == null) {
4083            return false;
4084        } else {
4085            final Message message = conversation.findSentMessageWithUuid(uuid);
4086            if (message != null) {
4087                if (message.getServerMsgId() == null) {
4088                    message.setServerMsgId(serverMessageId);
4089                }
4090                if (message.getEncryption() == Message.ENCRYPTION_NONE
4091                        && message.isTypeText()
4092                        && isBodyModified(message, body)) {
4093                    message.setBody(body.content);
4094                    if (body.count > 1) {
4095                        message.setBodyLanguage(body.language);
4096                    }
4097                    markMessage(message, status, null, true);
4098                } else {
4099                    markMessage(message, status);
4100                }
4101                return true;
4102            } else {
4103                return false;
4104            }
4105        }
4106    }
4107
4108    private static boolean isBodyModified(final Message message, final LocalizedContent body) {
4109        if (body == null || body.content == null) {
4110            return false;
4111        }
4112        return !body.content.equals(message.getBody());
4113    }
4114
4115    public void markMessage(Message message, int status) {
4116        markMessage(message, status, null);
4117    }
4118
4119
4120    public void markMessage(final Message message, final int status, final String errorMessage) {
4121        markMessage(message, status, errorMessage, false);
4122    }
4123
4124    public void markMessage(final Message message, final int status, final String errorMessage, final boolean includeBody) {
4125        final int oldStatus = message.getStatus();
4126        if (status == Message.STATUS_SEND_FAILED && (oldStatus == Message.STATUS_SEND_RECEIVED || oldStatus == Message.STATUS_SEND_DISPLAYED)) {
4127            return;
4128        }
4129        if (status == Message.STATUS_SEND_RECEIVED && oldStatus == Message.STATUS_SEND_DISPLAYED) {
4130            return;
4131        }
4132        message.setErrorMessage(errorMessage);
4133        message.setStatus(status);
4134        databaseBackend.updateMessage(message, includeBody);
4135        updateConversationUi();
4136        if (oldStatus != status && status == Message.STATUS_SEND_FAILED) {
4137            mNotificationService.pushFailedDelivery(message);
4138        }
4139    }
4140
4141    private SharedPreferences getPreferences() {
4142        return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
4143    }
4144
4145    public long getAutomaticMessageDeletionDate() {
4146        final long timeout = getLongPreference(SettingsActivity.AUTOMATIC_MESSAGE_DELETION, R.integer.automatic_message_deletion);
4147        return timeout == 0 ? timeout : (System.currentTimeMillis() - (timeout * 1000));
4148    }
4149
4150    public long getLongPreference(String name, @IntegerRes int res) {
4151        long defaultValue = getResources().getInteger(res);
4152        try {
4153            return Long.parseLong(getPreferences().getString(name, String.valueOf(defaultValue)));
4154        } catch (NumberFormatException e) {
4155            return defaultValue;
4156        }
4157    }
4158
4159    public boolean getBooleanPreference(String name, @BoolRes int res) {
4160        return getPreferences().getBoolean(name, getResources().getBoolean(res));
4161    }
4162
4163    public boolean confirmMessages() {
4164        return getBooleanPreference("confirm_messages", R.bool.confirm_messages);
4165    }
4166
4167    public boolean allowMessageCorrection() {
4168        return getBooleanPreference("allow_message_correction", R.bool.allow_message_correction);
4169    }
4170
4171    public boolean sendChatStates() {
4172        return getBooleanPreference("chat_states", R.bool.chat_states);
4173    }
4174
4175    private boolean synchronizeWithBookmarks() {
4176        return getBooleanPreference("autojoin", R.bool.autojoin);
4177    }
4178
4179    public boolean useTorToConnect() {
4180        return QuickConversationsService.isConversations() && getBooleanPreference("use_tor", R.bool.use_tor);
4181    }
4182
4183    public boolean showExtendedConnectionOptions() {
4184        return QuickConversationsService.isConversations() && getBooleanPreference("show_connection_options", R.bool.show_connection_options);
4185    }
4186
4187    public boolean broadcastLastActivity() {
4188        return getBooleanPreference(SettingsActivity.BROADCAST_LAST_ACTIVITY, R.bool.last_activity);
4189    }
4190
4191    public int unreadCount() {
4192        int count = 0;
4193        for (Conversation conversation : getConversations()) {
4194            count += conversation.unreadCount();
4195        }
4196        return count;
4197    }
4198
4199
4200    private <T> List<T> threadSafeList(Set<T> set) {
4201        synchronized (LISTENER_LOCK) {
4202            return set.size() == 0 ? Collections.emptyList() : new ArrayList<>(set);
4203        }
4204    }
4205
4206    public void showErrorToastInUi(int resId) {
4207        for (OnShowErrorToast listener : threadSafeList(this.mOnShowErrorToasts)) {
4208            listener.onShowErrorToast(resId);
4209        }
4210    }
4211
4212    public void updateConversationUi() {
4213        for (OnConversationUpdate listener : threadSafeList(this.mOnConversationUpdates)) {
4214            listener.onConversationUpdate();
4215        }
4216    }
4217
4218    public void notifyJingleRtpConnectionUpdate(final Account account, final Jid with, final String sessionId, final RtpEndUserState state) {
4219        for (OnJingleRtpConnectionUpdate listener : threadSafeList(this.onJingleRtpConnectionUpdate)) {
4220            listener.onJingleRtpConnectionUpdate(account, with, sessionId, state);
4221        }
4222    }
4223
4224    public void notifyJingleRtpConnectionUpdate(AppRTCAudioManager.AudioDevice selectedAudioDevice, Set<AppRTCAudioManager.AudioDevice> availableAudioDevices) {
4225        for (OnJingleRtpConnectionUpdate listener : threadSafeList(this.onJingleRtpConnectionUpdate)) {
4226            listener.onAudioDeviceChanged(selectedAudioDevice, availableAudioDevices);
4227        }
4228    }
4229
4230    public void updateAccountUi() {
4231        for (final OnAccountUpdate listener : threadSafeList(this.mOnAccountUpdates)) {
4232            listener.onAccountUpdate();
4233        }
4234    }
4235
4236    public void updateRosterUi() {
4237        for (OnRosterUpdate listener : threadSafeList(this.mOnRosterUpdates)) {
4238            listener.onRosterUpdate();
4239        }
4240    }
4241
4242    public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
4243        if (mOnCaptchaRequested.size() > 0) {
4244            DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
4245            Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
4246                    (int) (captcha.getHeight() * metrics.scaledDensity), false);
4247            for (OnCaptchaRequested listener : threadSafeList(this.mOnCaptchaRequested)) {
4248                listener.onCaptchaRequested(account, id, data, scaled);
4249            }
4250            return true;
4251        }
4252        return false;
4253    }
4254
4255    public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
4256        for (OnUpdateBlocklist listener : threadSafeList(this.mOnUpdateBlocklist)) {
4257            listener.OnUpdateBlocklist(status);
4258        }
4259    }
4260
4261    public void updateMucRosterUi() {
4262        for (OnMucRosterUpdate listener : threadSafeList(this.mOnMucRosterUpdate)) {
4263            listener.onMucRosterUpdate();
4264        }
4265    }
4266
4267    public void keyStatusUpdated(AxolotlService.FetchStatus report) {
4268        for (OnKeyStatusUpdated listener : threadSafeList(this.mOnKeyStatusUpdated)) {
4269            listener.onKeyStatusUpdated(report);
4270        }
4271    }
4272
4273    public Account findAccountByJid(final Jid jid) {
4274        for (final Account account : this.accounts) {
4275            if (account.getJid().asBareJid().equals(jid.asBareJid())) {
4276                return account;
4277            }
4278        }
4279        return null;
4280    }
4281
4282    public Account findAccountByUuid(final String uuid) {
4283        for (Account account : this.accounts) {
4284            if (account.getUuid().equals(uuid)) {
4285                return account;
4286            }
4287        }
4288        return null;
4289    }
4290
4291    public Conversation findConversationByUuid(String uuid) {
4292        for (Conversation conversation : getConversations()) {
4293            if (conversation.getUuid().equals(uuid)) {
4294                return conversation;
4295            }
4296        }
4297        return null;
4298    }
4299
4300    public Conversation findUniqueConversationByJid(XmppUri xmppUri) {
4301        List<Conversation> findings = new ArrayList<>();
4302        for (Conversation c : getConversations()) {
4303            if (c.getAccount().isEnabled() && c.getJid().asBareJid().equals(xmppUri.getJid()) && ((c.getMode() == Conversational.MODE_MULTI) == xmppUri.isAction(XmppUri.ACTION_JOIN))) {
4304                findings.add(c);
4305            }
4306        }
4307        return findings.size() == 1 ? findings.get(0) : null;
4308    }
4309
4310    public boolean markRead(final Conversation conversation, boolean dismiss) {
4311        return markRead(conversation, null, dismiss).size() > 0;
4312    }
4313
4314    public void markRead(final Conversation conversation) {
4315        markRead(conversation, null, true);
4316    }
4317
4318    public List<Message> markRead(final Conversation conversation, String upToUuid, boolean dismiss) {
4319        if (dismiss) {
4320            mNotificationService.clear(conversation);
4321        }
4322        final List<Message> readMessages = conversation.markRead(upToUuid);
4323        if (readMessages.size() > 0) {
4324            Runnable runnable = () -> {
4325                for (Message message : readMessages) {
4326                    databaseBackend.updateMessage(message, false);
4327                }
4328            };
4329            mDatabaseWriterExecutor.execute(runnable);
4330            updateConversationUi();
4331            updateUnreadCountBadge();
4332            return readMessages;
4333        } else {
4334            return readMessages;
4335        }
4336    }
4337
4338    public synchronized void updateUnreadCountBadge() {
4339        int count = unreadCount();
4340        if (unreadCount != count) {
4341            Log.d(Config.LOGTAG, "update unread count to " + count);
4342            if (count > 0) {
4343                ShortcutBadger.applyCount(getApplicationContext(), count);
4344            } else {
4345                ShortcutBadger.removeCount(getApplicationContext());
4346            }
4347            unreadCount = count;
4348        }
4349    }
4350
4351    public void sendReadMarker(final Conversation conversation, String upToUuid) {
4352        final boolean isPrivateAndNonAnonymousMuc = conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous();
4353        final List<Message> readMessages = this.markRead(conversation, upToUuid, true);
4354        if (readMessages.size() > 0) {
4355            updateConversationUi();
4356        }
4357        final Message markable = Conversation.getLatestMarkableMessage(readMessages, isPrivateAndNonAnonymousMuc);
4358        if (confirmMessages()
4359                && markable != null
4360                && (markable.trusted() || isPrivateAndNonAnonymousMuc)
4361                && markable.getRemoteMsgId() != null) {
4362            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
4363            final Account account = conversation.getAccount();
4364            final MessagePacket packet = mMessageGenerator.confirm(markable);
4365            this.sendMessagePacket(account, packet);
4366        }
4367    }
4368
4369    public SecureRandom getRNG() {
4370        return this.mRandom;
4371    }
4372
4373    public MemorizingTrustManager getMemorizingTrustManager() {
4374        return this.mMemorizingTrustManager;
4375    }
4376
4377    public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
4378        this.mMemorizingTrustManager = trustManager;
4379    }
4380
4381    public void updateMemorizingTrustmanager() {
4382        final MemorizingTrustManager tm;
4383        final boolean dontTrustSystemCAs = getBooleanPreference("dont_trust_system_cas", R.bool.dont_trust_system_cas);
4384        if (dontTrustSystemCAs) {
4385            tm = new MemorizingTrustManager(getApplicationContext(), null);
4386        } else {
4387            tm = new MemorizingTrustManager(getApplicationContext());
4388        }
4389        setMemorizingTrustManager(tm);
4390    }
4391
4392    public LruCache<String, Bitmap> getBitmapCache() {
4393        return this.mBitmapCache;
4394    }
4395
4396    public Collection<String> getKnownHosts() {
4397        final Set<String> hosts = new HashSet<>();
4398        for (final Account account : getAccounts()) {
4399            hosts.add(account.getServer());
4400            for (final Contact contact : account.getRoster().getContacts()) {
4401                if (contact.showInRoster()) {
4402                    final String server = contact.getServer();
4403                    if (server != null) {
4404                        hosts.add(server);
4405                    }
4406                }
4407            }
4408        }
4409        if (Config.QUICKSY_DOMAIN != null) {
4410            hosts.remove(Config.QUICKSY_DOMAIN.toEscapedString()); //we only want to show this when we type a e164 number
4411        }
4412        if (Config.DOMAIN_LOCK != null) {
4413            hosts.add(Config.DOMAIN_LOCK);
4414        }
4415        if (Config.MAGIC_CREATE_DOMAIN != null) {
4416            hosts.add(Config.MAGIC_CREATE_DOMAIN);
4417        }
4418        return hosts;
4419    }
4420
4421    public Collection<String> getKnownConferenceHosts() {
4422        final Set<String> mucServers = new HashSet<>();
4423        for (final Account account : accounts) {
4424            if (account.getXmppConnection() != null) {
4425                mucServers.addAll(account.getXmppConnection().getMucServers());
4426                for (Bookmark bookmark : account.getBookmarks()) {
4427                    final Jid jid = bookmark.getJid();
4428                    final String s = jid == null ? null : jid.getDomain().toEscapedString();
4429                    if (s != null) {
4430                        mucServers.add(s);
4431                    }
4432                }
4433            }
4434        }
4435        return mucServers;
4436    }
4437
4438    public void sendMessagePacket(Account account, MessagePacket packet) {
4439        final XmppConnection connection = account.getXmppConnection();
4440        if (connection != null) {
4441            connection.sendMessagePacket(packet);
4442        }
4443    }
4444
4445    public void sendPresencePacket(Account account, PresencePacket packet) {
4446        XmppConnection connection = account.getXmppConnection();
4447        if (connection != null) {
4448            connection.sendPresencePacket(packet);
4449        }
4450    }
4451
4452    public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
4453        final XmppConnection connection = account.getXmppConnection();
4454        if (connection != null) {
4455            IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
4456            connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener, true);
4457        }
4458    }
4459
4460    public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
4461        final XmppConnection connection = account.getXmppConnection();
4462        if (connection != null) {
4463            connection.sendIqPacket(packet, callback);
4464        } else if (callback != null) {
4465            callback.onIqPacketReceived(account, new IqPacket(IqPacket.TYPE.TIMEOUT));
4466        }
4467    }
4468
4469    public void sendPresence(final Account account) {
4470        sendPresence(account, checkListeners() && broadcastLastActivity());
4471    }
4472
4473    private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
4474        final Presence.Status status;
4475        if (manuallyChangePresence()) {
4476            status = account.getPresenceStatus();
4477        } else {
4478            status = getTargetPresence();
4479        }
4480        final PresencePacket packet = mPresenceGenerator.selfPresence(account, status);
4481        if (mLastActivity > 0 && includeIdleTimestamp) {
4482            long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
4483            packet.addChild("idle", Namespace.IDLE).setAttribute("since", AbstractGenerator.getTimestamp(since));
4484        }
4485        sendPresencePacket(account, packet);
4486    }
4487
4488    private void deactivateGracePeriod() {
4489        for (Account account : getAccounts()) {
4490            account.deactivateGracePeriod();
4491        }
4492    }
4493
4494    public void refreshAllPresences() {
4495        boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
4496        for (Account account : getAccounts()) {
4497            if (account.isEnabled()) {
4498                sendPresence(account, includeIdleTimestamp);
4499            }
4500        }
4501    }
4502
4503    private void refreshAllFcmTokens() {
4504        for (Account account : getAccounts()) {
4505            if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
4506                mPushManagementService.registerPushTokenOnServer(account);
4507            }
4508        }
4509    }
4510
4511    private void sendOfflinePresence(final Account account) {
4512        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending offline presence");
4513        sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
4514    }
4515
4516    public MessageGenerator getMessageGenerator() {
4517        return this.mMessageGenerator;
4518    }
4519
4520    public PresenceGenerator getPresenceGenerator() {
4521        return this.mPresenceGenerator;
4522    }
4523
4524    public IqGenerator getIqGenerator() {
4525        return this.mIqGenerator;
4526    }
4527
4528    public IqParser getIqParser() {
4529        return this.mIqParser;
4530    }
4531
4532    public JingleConnectionManager getJingleConnectionManager() {
4533        return this.mJingleConnectionManager;
4534    }
4535
4536    public MessageArchiveService getMessageArchiveService() {
4537        return this.mMessageArchiveService;
4538    }
4539
4540    public QuickConversationsService getQuickConversationsService() {
4541        return this.mQuickConversationsService;
4542    }
4543
4544    public List<Contact> findContacts(Jid jid, String accountJid) {
4545        ArrayList<Contact> contacts = new ArrayList<>();
4546        for (Account account : getAccounts()) {
4547            if ((account.isEnabled() || accountJid != null)
4548                    && (accountJid == null || accountJid.equals(account.getJid().asBareJid().toString()))) {
4549                Contact contact = account.getRoster().getContactFromContactList(jid);
4550                if (contact != null) {
4551                    contacts.add(contact);
4552                }
4553            }
4554        }
4555        return contacts;
4556    }
4557
4558    public Conversation findFirstMuc(Jid jid) {
4559        for (Conversation conversation : getConversations()) {
4560            if (conversation.getAccount().isEnabled() && conversation.getJid().asBareJid().equals(jid.asBareJid()) && conversation.getMode() == Conversation.MODE_MULTI) {
4561                return conversation;
4562            }
4563        }
4564        return null;
4565    }
4566
4567    public NotificationService getNotificationService() {
4568        return this.mNotificationService;
4569    }
4570
4571    public HttpConnectionManager getHttpConnectionManager() {
4572        return this.mHttpConnectionManager;
4573    }
4574
4575    public void resendFailedMessages(final Message message) {
4576        final Collection<Message> messages = new ArrayList<>();
4577        Message current = message;
4578        while (current.getStatus() == Message.STATUS_SEND_FAILED) {
4579            messages.add(current);
4580            if (current.mergeable(current.next())) {
4581                current = current.next();
4582            } else {
4583                break;
4584            }
4585        }
4586        for (final Message msg : messages) {
4587            msg.setTime(System.currentTimeMillis());
4588            markMessage(msg, Message.STATUS_WAITING);
4589            this.resendMessage(msg, false);
4590        }
4591        if (message.getConversation() instanceof Conversation) {
4592            ((Conversation) message.getConversation()).sort();
4593        }
4594        updateConversationUi();
4595    }
4596
4597    public void clearConversationHistory(final Conversation conversation) {
4598        final long clearDate;
4599        final String reference;
4600        if (conversation.countMessages() > 0) {
4601            Message latestMessage = conversation.getLatestMessage();
4602            clearDate = latestMessage.getTimeSent() + 1000;
4603            reference = latestMessage.getServerMsgId();
4604        } else {
4605            clearDate = System.currentTimeMillis();
4606            reference = null;
4607        }
4608        conversation.clearMessages();
4609        conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
4610        conversation.setLastClearHistory(clearDate, reference);
4611        Runnable runnable = () -> {
4612            databaseBackend.deleteMessagesInConversation(conversation);
4613            databaseBackend.updateConversation(conversation);
4614        };
4615        mDatabaseWriterExecutor.execute(runnable);
4616    }
4617
4618    public boolean sendBlockRequest(final Blockable blockable, boolean reportSpam) {
4619        if (blockable != null && blockable.getBlockedJid() != null) {
4620            final Jid jid = blockable.getBlockedJid();
4621            this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), (a, response) -> {
4622                if (response.getType() == IqPacket.TYPE.RESULT) {
4623                    a.getBlocklist().add(jid);
4624                    updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
4625                }
4626            });
4627            if (blockable.getBlockedJid().isFullJid()) {
4628                return false;
4629            } else if (removeBlockedConversations(blockable.getAccount(), jid)) {
4630                updateConversationUi();
4631                return true;
4632            } else {
4633                return false;
4634            }
4635        } else {
4636            return false;
4637        }
4638    }
4639
4640    public boolean removeBlockedConversations(final Account account, final Jid blockedJid) {
4641        boolean removed = false;
4642        synchronized (this.conversations) {
4643            boolean domainJid = blockedJid.getLocal() == null;
4644            for (Conversation conversation : this.conversations) {
4645                boolean jidMatches = (domainJid && blockedJid.getDomain().equals(conversation.getJid().getDomain()))
4646                        || blockedJid.equals(conversation.getJid().asBareJid());
4647                if (conversation.getAccount() == account
4648                        && conversation.getMode() == Conversation.MODE_SINGLE
4649                        && jidMatches) {
4650                    this.conversations.remove(conversation);
4651                    markRead(conversation);
4652                    conversation.setStatus(Conversation.STATUS_ARCHIVED);
4653                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conversation " + conversation.getJid().asBareJid() + " because jid was blocked");
4654                    updateConversation(conversation);
4655                    removed = true;
4656                }
4657            }
4658        }
4659        return removed;
4660    }
4661
4662    public void sendUnblockRequest(final Blockable blockable) {
4663        if (blockable != null && blockable.getJid() != null) {
4664            final Jid jid = blockable.getBlockedJid();
4665            this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
4666                @Override
4667                public void onIqPacketReceived(final Account account, final IqPacket packet) {
4668                    if (packet.getType() == IqPacket.TYPE.RESULT) {
4669                        account.getBlocklist().remove(jid);
4670                        updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
4671                    }
4672                }
4673            });
4674        }
4675    }
4676
4677    public void publishDisplayName(Account account) {
4678        String displayName = account.getDisplayName();
4679        final IqPacket request;
4680        if (TextUtils.isEmpty(displayName)) {
4681            request = mIqGenerator.deleteNode(Namespace.NICK);
4682        } else {
4683            request = mIqGenerator.publishNick(displayName);
4684        }
4685        mAvatarService.clear(account);
4686        sendIqPacket(account, request, (account1, packet) -> {
4687            if (packet.getType() == IqPacket.TYPE.ERROR) {
4688                Log.d(Config.LOGTAG, account1.getJid().asBareJid() + ": unable to modify nick name " + packet.toString());
4689            }
4690        });
4691    }
4692
4693    public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
4694        ServiceDiscoveryResult result = discoCache.get(key);
4695        if (result != null) {
4696            return result;
4697        } else {
4698            result = databaseBackend.findDiscoveryResult(key.first, key.second);
4699            if (result != null) {
4700                discoCache.put(key, result);
4701            }
4702            return result;
4703        }
4704    }
4705
4706    public void fetchCaps(Account account, final Jid jid, final Presence presence) {
4707        final Pair<String, String> key = new Pair<>(presence.getHash(), presence.getVer());
4708        final ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
4709        if (disco != null) {
4710            presence.setServiceDiscoveryResult(disco);
4711            final Contact contact = account.getRoster().getContact(jid);
4712            if (contact.refreshRtpCapability()) {
4713                syncRoster(account);
4714            }
4715        } else {
4716            final IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4717            request.setTo(jid);
4718            final String node = presence.getNode();
4719            final String ver = presence.getVer();
4720            final Element query = request.query(Namespace.DISCO_INFO);
4721            if (node != null && ver != null) {
4722                query.setAttribute("node", node + "#" + ver);
4723            }
4724            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": making disco request for " + key.second + " to " + jid);
4725            sendIqPacket(account, request, (a, response) -> {
4726                if (response.getType() == IqPacket.TYPE.RESULT) {
4727                    final ServiceDiscoveryResult discoveryResult = new ServiceDiscoveryResult(response);
4728                    if (presence.getVer().equals(discoveryResult.getVer())) {
4729                        databaseBackend.insertDiscoveryResult(discoveryResult);
4730                        injectServiceDiscoveryResult(a.getRoster(), presence.getHash(), presence.getVer(), discoveryResult);
4731                    } else {
4732                        Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + discoveryResult.getVer());
4733                    }
4734                } else {
4735                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to fetch caps from " + jid);
4736                }
4737            });
4738        }
4739    }
4740
4741    private void injectServiceDiscoveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
4742        boolean rosterNeedsSync = false;
4743        for (final Contact contact : roster.getContacts()) {
4744            boolean serviceDiscoverySet = false;
4745            for (final Presence presence : contact.getPresences().getPresences()) {
4746                if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
4747                    presence.setServiceDiscoveryResult(disco);
4748                    serviceDiscoverySet = true;
4749                }
4750            }
4751            if (serviceDiscoverySet) {
4752                rosterNeedsSync |= contact.refreshRtpCapability();
4753            }
4754        }
4755        if (rosterNeedsSync) {
4756            syncRoster(roster.getAccount());
4757        }
4758    }
4759
4760    public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
4761        final MessageArchiveService.Version version = MessageArchiveService.Version.get(account);
4762        IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4763        request.addChild("prefs", version.namespace);
4764        sendIqPacket(account, request, (account1, packet) -> {
4765            Element prefs = packet.findChild("prefs", version.namespace);
4766            if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
4767                callback.onPreferencesFetched(prefs);
4768            } else {
4769                callback.onPreferencesFetchFailed();
4770            }
4771        });
4772    }
4773
4774    public PushManagementService getPushManagementService() {
4775        return mPushManagementService;
4776    }
4777
4778    public void changeStatus(Account account, PresenceTemplate template, String signature) {
4779        if (!template.getStatusMessage().isEmpty()) {
4780            databaseBackend.insertPresenceTemplate(template);
4781        }
4782        account.setPgpSignature(signature);
4783        account.setPresenceStatus(template.getStatus());
4784        account.setPresenceStatusMessage(template.getStatusMessage());
4785        databaseBackend.updateAccount(account);
4786        sendPresence(account);
4787    }
4788
4789    public List<PresenceTemplate> getPresenceTemplates(Account account) {
4790        List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
4791        for (PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
4792            if (!templates.contains(template)) {
4793                templates.add(0, template);
4794            }
4795        }
4796        return templates;
4797    }
4798
4799    public void saveConversationAsBookmark(Conversation conversation, String name) {
4800        final Account account = conversation.getAccount();
4801        final Bookmark bookmark = new Bookmark(account, conversation.getJid().asBareJid());
4802        final String nick = conversation.getJid().getResource();
4803        if (nick != null && !nick.isEmpty() && !nick.equals(MucOptions.defaultNick(account))) {
4804            bookmark.setNick(nick);
4805        }
4806        if (!TextUtils.isEmpty(name)) {
4807            bookmark.setBookmarkName(name);
4808        }
4809        bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
4810        createBookmark(account, bookmark);
4811        bookmark.setConversation(conversation);
4812    }
4813
4814    public boolean verifyFingerprints(Contact contact, List<XmppUri.Fingerprint> fingerprints) {
4815        boolean performedVerification = false;
4816        final AxolotlService axolotlService = contact.getAccount().getAxolotlService();
4817        for (XmppUri.Fingerprint fp : fingerprints) {
4818            if (fp.type == XmppUri.FingerprintType.OMEMO) {
4819                String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4820                FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4821                if (fingerprintStatus != null) {
4822                    if (!fingerprintStatus.isVerified()) {
4823                        performedVerification = true;
4824                        axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4825                    }
4826                } else {
4827                    axolotlService.preVerifyFingerprint(contact, fingerprint);
4828                }
4829            }
4830        }
4831        return performedVerification;
4832    }
4833
4834    public boolean verifyFingerprints(Account account, List<XmppUri.Fingerprint> fingerprints) {
4835        final AxolotlService axolotlService = account.getAxolotlService();
4836        boolean verifiedSomething = false;
4837        for (XmppUri.Fingerprint fp : fingerprints) {
4838            if (fp.type == XmppUri.FingerprintType.OMEMO) {
4839                String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4840                Log.d(Config.LOGTAG, "trying to verify own fp=" + fingerprint);
4841                FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4842                if (fingerprintStatus != null) {
4843                    if (!fingerprintStatus.isVerified()) {
4844                        axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4845                        verifiedSomething = true;
4846                    }
4847                } else {
4848                    axolotlService.preVerifyFingerprint(account, fingerprint);
4849                    verifiedSomething = true;
4850                }
4851            }
4852        }
4853        return verifiedSomething;
4854    }
4855
4856    public boolean blindTrustBeforeVerification() {
4857        return getBooleanPreference(SettingsActivity.BLIND_TRUST_BEFORE_VERIFICATION, R.bool.btbv);
4858    }
4859
4860    public ShortcutService getShortcutService() {
4861        return mShortcutService;
4862    }
4863
4864    public void pushMamPreferences(Account account, Element prefs) {
4865        IqPacket set = new IqPacket(IqPacket.TYPE.SET);
4866        set.addChild(prefs);
4867        sendIqPacket(account, set, null);
4868    }
4869
4870    public void evictPreview(String uuid) {
4871        if (mBitmapCache.remove(uuid) != null) {
4872            Log.d(Config.LOGTAG, "deleted cached preview");
4873        }
4874    }
4875
4876    public interface OnMamPreferencesFetched {
4877        void onPreferencesFetched(Element prefs);
4878
4879        void onPreferencesFetchFailed();
4880    }
4881
4882    public interface OnAccountCreated {
4883        void onAccountCreated(Account account);
4884
4885        void informUser(int r);
4886    }
4887
4888    public interface OnMoreMessagesLoaded {
4889        void onMoreMessagesLoaded(int count, Conversation conversation);
4890
4891        void informUser(int r);
4892    }
4893
4894    public interface OnAccountPasswordChanged {
4895        void onPasswordChangeSucceeded();
4896
4897        void onPasswordChangeFailed();
4898    }
4899
4900    public interface OnRoomDestroy {
4901        void onRoomDestroySucceeded();
4902
4903        void onRoomDestroyFailed();
4904    }
4905
4906    public interface OnAffiliationChanged {
4907        void onAffiliationChangedSuccessful(Jid jid);
4908
4909        void onAffiliationChangeFailed(Jid jid, int resId);
4910    }
4911
4912    public interface OnConversationUpdate {
4913        void onConversationUpdate();
4914    }
4915
4916    public interface OnJingleRtpConnectionUpdate {
4917        void onJingleRtpConnectionUpdate(final Account account, final Jid with, final String sessionId, final RtpEndUserState state);
4918
4919        void onAudioDeviceChanged(AppRTCAudioManager.AudioDevice selectedAudioDevice, Set<AppRTCAudioManager.AudioDevice> availableAudioDevices);
4920    }
4921
4922    public interface OnAccountUpdate {
4923        void onAccountUpdate();
4924    }
4925
4926    public interface OnCaptchaRequested {
4927        void onCaptchaRequested(Account account, String id, Data data, Bitmap captcha);
4928    }
4929
4930    public interface OnRosterUpdate {
4931        void onRosterUpdate();
4932    }
4933
4934    public interface OnMucRosterUpdate {
4935        void onMucRosterUpdate();
4936    }
4937
4938    public interface OnConferenceConfigurationFetched {
4939        void onConferenceConfigurationFetched(Conversation conversation);
4940
4941        void onFetchFailed(Conversation conversation, String errorCondition);
4942    }
4943
4944    public interface OnConferenceJoined {
4945        void onConferenceJoined(Conversation conversation);
4946    }
4947
4948    public interface OnConfigurationPushed {
4949        void onPushSucceeded();
4950
4951        void onPushFailed();
4952    }
4953
4954    public interface OnShowErrorToast {
4955        void onShowErrorToast(int resId);
4956    }
4957
4958    public class XmppConnectionBinder extends Binder {
4959        public XmppConnectionService getService() {
4960            return XmppConnectionService.this;
4961        }
4962    }
4963
4964    private class InternalEventReceiver extends BroadcastReceiver {
4965
4966        @Override
4967        public void onReceive(Context context, Intent intent) {
4968            onStartCommand(intent, 0, 0);
4969        }
4970    }
4971
4972    public static class OngoingCall {
4973        public final AbstractJingleConnection.Id id;
4974        public final Set<Media> media;
4975        public final boolean reconnecting;
4976
4977        public OngoingCall(AbstractJingleConnection.Id id, Set<Media> media, final boolean reconnecting) {
4978            this.id = id;
4979            this.media = media;
4980            this.reconnecting = reconnecting;
4981        }
4982
4983        @Override
4984        public boolean equals(Object o) {
4985            if (this == o) return true;
4986            if (o == null || getClass() != o.getClass()) return false;
4987            OngoingCall that = (OngoingCall) o;
4988            return reconnecting == that.reconnecting && Objects.equal(id, that.id) && Objects.equal(media, that.media);
4989        }
4990
4991        @Override
4992        public int hashCode() {
4993            return Objects.hashCode(id, media, reconnecting);
4994        }
4995    }
4996}