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            ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
 949            return !connectivityManager.isActiveNetworkMetered()
 950                    || connectivityManager.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
 951        } else {
 952            return true;
 953        }
 954    }
 955
 956    private void directReply(final Conversation conversation, final String body, final String lastMessageUuid, final boolean dismissAfterReply) {
 957        final Message inReplyTo = lastMessageUuid == null ? null : conversation.findMessageWithUuid(lastMessageUuid);
 958        final Message message = new Message(conversation, body, conversation.getNextEncryption());
 959        if (inReplyTo != null && inReplyTo.isPrivateMessage()) {
 960            Message.configurePrivateMessage(message, inReplyTo.getCounterpart());
 961        }
 962        message.markUnread();
 963        if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 964            getPgpEngine().encrypt(message, new UiCallback<Message>() {
 965                @Override
 966                public void success(Message message) {
 967                    if (dismissAfterReply) {
 968                        markRead((Conversation) message.getConversation(), true);
 969                    } else {
 970                        mNotificationService.pushFromDirectReply(message);
 971                    }
 972                }
 973
 974                @Override
 975                public void error(int errorCode, Message object) {
 976
 977                }
 978
 979                @Override
 980                public void userInputRequired(PendingIntent pi, Message object) {
 981
 982                }
 983            });
 984        } else {
 985            sendMessage(message);
 986            if (dismissAfterReply) {
 987                markRead(conversation, true);
 988            } else {
 989                mNotificationService.pushFromDirectReply(message);
 990            }
 991        }
 992    }
 993
 994    private boolean dndOnSilentMode() {
 995        return getBooleanPreference(SettingsActivity.DND_ON_SILENT_MODE, R.bool.dnd_on_silent_mode);
 996    }
 997
 998    private boolean manuallyChangePresence() {
 999        return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
1000    }
1001
1002    private boolean treatVibrateAsSilent() {
1003        return getBooleanPreference(SettingsActivity.TREAT_VIBRATE_AS_SILENT, R.bool.treat_vibrate_as_silent);
1004    }
1005
1006    private boolean awayWhenScreenLocked() {
1007        return getBooleanPreference(SettingsActivity.AWAY_WHEN_SCREEN_IS_OFF, R.bool.away_when_screen_off);
1008    }
1009
1010    private String getCompressPicturesPreference() {
1011        return getPreferences().getString("picture_compression", getResources().getString(R.string.picture_compression));
1012    }
1013
1014    private Presence.Status getTargetPresence() {
1015        if (dndOnSilentMode() && isPhoneSilenced()) {
1016            return Presence.Status.DND;
1017        } else if (awayWhenScreenLocked() && isScreenLocked()) {
1018            return Presence.Status.AWAY;
1019        } else {
1020            return Presence.Status.ONLINE;
1021        }
1022    }
1023
1024    public boolean isScreenLocked() {
1025        final KeyguardManager keyguardManager = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
1026        final PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE);
1027        final boolean locked = keyguardManager != null && keyguardManager.isKeyguardLocked();
1028        final boolean interactive = powerManager != null && powerManager.isInteractive();
1029        return locked || !interactive;
1030    }
1031
1032    private boolean isPhoneSilenced() {
1033        final boolean notificationDnd;
1034        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1035            final NotificationManager notificationManager = getSystemService(NotificationManager.class);
1036            final int filter = notificationManager == null ? NotificationManager.INTERRUPTION_FILTER_UNKNOWN : notificationManager.getCurrentInterruptionFilter();
1037            notificationDnd = filter >= NotificationManager.INTERRUPTION_FILTER_PRIORITY;
1038        } else {
1039            notificationDnd = false;
1040        }
1041        final AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
1042        final int ringerMode = audioManager == null ? AudioManager.RINGER_MODE_NORMAL : audioManager.getRingerMode();
1043        try {
1044            if (treatVibrateAsSilent()) {
1045                return notificationDnd || ringerMode != AudioManager.RINGER_MODE_NORMAL;
1046            } else {
1047                return notificationDnd || ringerMode == AudioManager.RINGER_MODE_SILENT;
1048            }
1049        } catch (Throwable throwable) {
1050            Log.d(Config.LOGTAG, "platform bug in isPhoneSilenced (" + throwable.getMessage() + ")");
1051            return notificationDnd;
1052        }
1053    }
1054
1055    private void resetAllAttemptCounts(boolean reallyAll, boolean retryImmediately) {
1056        Log.d(Config.LOGTAG, "resetting all attempt counts");
1057        for (Account account : accounts) {
1058            if (account.hasErrorStatus() || reallyAll) {
1059                final XmppConnection connection = account.getXmppConnection();
1060                if (connection != null) {
1061                    connection.resetAttemptCount(retryImmediately);
1062                }
1063            }
1064            if (account.setShowErrorNotification(true)) {
1065                mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
1066            }
1067        }
1068        mNotificationService.updateErrorNotification();
1069    }
1070
1071    private void dismissErrorNotifications() {
1072        for (final Account account : this.accounts) {
1073            if (account.hasErrorStatus()) {
1074                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": dismissing error notification");
1075                if (account.setShowErrorNotification(false)) {
1076                    mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
1077                }
1078            }
1079        }
1080    }
1081
1082    private void expireOldMessages() {
1083        expireOldMessages(false);
1084    }
1085
1086    public void expireOldMessages(final boolean resetHasMessagesLeftOnServer) {
1087        mLastExpiryRun.set(SystemClock.elapsedRealtime());
1088        mDatabaseWriterExecutor.execute(() -> {
1089            long timestamp = getAutomaticMessageDeletionDate();
1090            if (timestamp > 0) {
1091                databaseBackend.expireOldMessages(timestamp);
1092                synchronized (XmppConnectionService.this.conversations) {
1093                    for (Conversation conversation : XmppConnectionService.this.conversations) {
1094                        conversation.expireOldMessages(timestamp);
1095                        if (resetHasMessagesLeftOnServer) {
1096                            conversation.messagesLoaded.set(true);
1097                            conversation.setHasMessagesLeftOnServer(true);
1098                        }
1099                    }
1100                }
1101                updateConversationUi();
1102            }
1103        });
1104    }
1105
1106    public boolean hasInternetConnection() {
1107        final ConnectivityManager cm = ContextCompat.getSystemService(this, ConnectivityManager.class);
1108        if (cm == null) {
1109            return true; //if internet connection can not be checked it is probably best to just try
1110        }
1111        try {
1112            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.Q) {
1113                final Network activeNetwork = cm.getActiveNetwork();
1114                final NetworkCapabilities capabilities = activeNetwork == null ? null : cm.getNetworkCapabilities(activeNetwork);
1115                return capabilities != null && capabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET);
1116            } else {
1117                final NetworkInfo networkInfo = cm.getActiveNetworkInfo();
1118                return networkInfo != null && (networkInfo.isConnected() || networkInfo.getType() == ConnectivityManager.TYPE_ETHERNET);
1119            }
1120        } catch (final RuntimeException e) {
1121            Log.d(Config.LOGTAG, "unable to check for internet connection", e);
1122            return true; //if internet connection can not be checked it is probably best to just try
1123        }
1124    }
1125
1126    @SuppressLint("TrulyRandom")
1127    @Override
1128    public void onCreate() {
1129        if (Compatibility.runsTwentySix()) {
1130            mNotificationService.initializeChannels();
1131        }
1132        mChannelDiscoveryService.initializeMuclumbusService();
1133        mForceDuringOnCreate.set(Compatibility.runsAndTargetsTwentySix(this));
1134        toggleForegroundService();
1135        this.destroyed = false;
1136        OmemoSetting.load(this);
1137        ExceptionHelper.init(getApplicationContext());
1138        try {
1139            Security.insertProviderAt(Conscrypt.newProvider(), 1);
1140        } catch (Throwable throwable) {
1141            Log.e(Config.LOGTAG, "unable to initialize security provider", throwable);
1142        }
1143        Resolver.init(this);
1144        this.mRandom = new SecureRandom();
1145        updateMemorizingTrustmanager();
1146        final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
1147        final int cacheSize = maxMemory / 8;
1148        this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
1149            @Override
1150            protected int sizeOf(final String key, final Bitmap bitmap) {
1151                return bitmap.getByteCount() / 1024;
1152            }
1153        };
1154        if (mLastActivity == 0) {
1155            mLastActivity = getPreferences().getLong(SETTING_LAST_ACTIVITY_TS, System.currentTimeMillis());
1156        }
1157
1158        Log.d(Config.LOGTAG, "initializing database...");
1159        this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
1160        Log.d(Config.LOGTAG, "restoring accounts...");
1161        this.accounts = databaseBackend.getAccounts();
1162        final SharedPreferences.Editor editor = getPreferences().edit();
1163        if (this.accounts.size() == 0 && Arrays.asList("Sony", "Sony Ericsson").contains(Build.MANUFACTURER)) {
1164            editor.putBoolean(SettingsActivity.KEEP_FOREGROUND_SERVICE, true);
1165            Log.d(Config.LOGTAG, Build.MANUFACTURER + " is on blacklist. enabling foreground service");
1166        }
1167        final boolean hasEnabledAccounts = hasEnabledAccounts();
1168        editor.putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
1169        editor.apply();
1170        toggleSetProfilePictureActivity(hasEnabledAccounts);
1171
1172        restoreFromDatabase();
1173
1174        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || ContextCompat.checkSelfPermission(this, Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
1175            startContactObserver();
1176        }
1177        FILE_OBSERVER_EXECUTOR.execute(fileBackend::deleteHistoricAvatarPath);
1178        if (Compatibility.hasStoragePermission(this)) {
1179            Log.d(Config.LOGTAG, "starting file observer");
1180            FILE_OBSERVER_EXECUTOR.execute(this.fileObserver::startWatching);
1181            FILE_OBSERVER_EXECUTOR.execute(this::checkForDeletedFiles);
1182        }
1183        if (Config.supportOpenPgp()) {
1184            this.pgpServiceConnection = new OpenPgpServiceConnection(this, "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
1185                @Override
1186                public void onBound(IOpenPgpService2 service) {
1187                    for (Account account : accounts) {
1188                        final PgpDecryptionService pgp = account.getPgpDecryptionService();
1189                        if (pgp != null) {
1190                            pgp.continueDecryption(true);
1191                        }
1192                    }
1193                }
1194
1195                @Override
1196                public void onError(Exception e) {
1197                }
1198            });
1199            this.pgpServiceConnection.bindToService();
1200        }
1201
1202        final PowerManager pm = ContextCompat.getSystemService(this, PowerManager.class);
1203        this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Conversations:Service");
1204
1205        toggleForegroundService();
1206        updateUnreadCountBadge();
1207        toggleScreenEventReceiver();
1208        final IntentFilter intentFilter = new IntentFilter();
1209        intentFilter.addAction(TorServiceUtils.ACTION_STATUS);
1210        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1211            scheduleNextIdlePing();
1212            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1213                intentFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
1214            }
1215            intentFilter.addAction(NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED);
1216        }
1217        registerReceiver(this.mInternalEventReceiver, intentFilter);
1218        mForceDuringOnCreate.set(false);
1219        toggleForegroundService();
1220        setupPhoneStateListener();
1221    }
1222
1223
1224    private void setupPhoneStateListener() {
1225        final TelephonyManager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
1226        if (telephonyManager == null || Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
1227            return;
1228        }
1229        telephonyManager.listen(phoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);
1230    }
1231
1232    public boolean isPhoneInCall() {
1233        return isPhoneInCall.get();
1234    }
1235
1236    private void checkForDeletedFiles() {
1237        if (destroyed) {
1238            Log.d(Config.LOGTAG, "Do not check for deleted files because service has been destroyed");
1239            return;
1240        }
1241        final long start = SystemClock.elapsedRealtime();
1242        final List<DatabaseBackend.FilePathInfo> relativeFilePaths = databaseBackend.getFilePathInfo();
1243        final List<DatabaseBackend.FilePathInfo> changed = new ArrayList<>();
1244        for (final DatabaseBackend.FilePathInfo filePath : relativeFilePaths) {
1245            if (destroyed) {
1246                Log.d(Config.LOGTAG, "Stop checking for deleted files because service has been destroyed");
1247                return;
1248            }
1249            final File file = fileBackend.getFileForPath(filePath.path);
1250            if (filePath.setDeleted(!file.exists())) {
1251                changed.add(filePath);
1252            }
1253        }
1254        final long duration = SystemClock.elapsedRealtime() - start;
1255        Log.d(Config.LOGTAG, "found " + changed.size() + " changed files on start up. total=" + relativeFilePaths.size() + ". (" + duration + "ms)");
1256        if (changed.size() > 0) {
1257            databaseBackend.markFilesAsChanged(changed);
1258            markChangedFiles(changed);
1259        }
1260    }
1261
1262    public void startContactObserver() {
1263        getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, new ContentObserver(null) {
1264            @Override
1265            public void onChange(boolean selfChange) {
1266                super.onChange(selfChange);
1267                if (restoredFromDatabaseLatch.getCount() == 0) {
1268                    loadPhoneContacts();
1269                }
1270            }
1271        });
1272    }
1273
1274    @Override
1275    public void onTrimMemory(int level) {
1276        super.onTrimMemory(level);
1277        if (level >= TRIM_MEMORY_COMPLETE) {
1278            Log.d(Config.LOGTAG, "clear cache due to low memory");
1279            getBitmapCache().evictAll();
1280        }
1281    }
1282
1283    @Override
1284    public void onDestroy() {
1285        try {
1286            unregisterReceiver(this.mInternalEventReceiver);
1287            unregisterReceiver(this.mInternalScreenEventReceiver);
1288        } catch (final IllegalArgumentException e) {
1289            //ignored
1290        }
1291        destroyed = false;
1292        fileObserver.stopWatching();
1293        super.onDestroy();
1294    }
1295
1296    public void restartFileObserver() {
1297        Log.d(Config.LOGTAG, "restarting file observer");
1298        FILE_OBSERVER_EXECUTOR.execute(this.fileObserver::restartWatching);
1299        FILE_OBSERVER_EXECUTOR.execute(this::checkForDeletedFiles);
1300    }
1301
1302    public void toggleScreenEventReceiver() {
1303        if (awayWhenScreenLocked() && !manuallyChangePresence()) {
1304            final IntentFilter filter = new IntentFilter();
1305            filter.addAction(Intent.ACTION_SCREEN_ON);
1306            filter.addAction(Intent.ACTION_SCREEN_OFF);
1307            filter.addAction(Intent.ACTION_USER_PRESENT);
1308            registerReceiver(this.mInternalScreenEventReceiver, filter);
1309        } else {
1310            try {
1311                unregisterReceiver(this.mInternalScreenEventReceiver);
1312            } catch (IllegalArgumentException e) {
1313                //ignored
1314            }
1315        }
1316    }
1317
1318    public void toggleForegroundService() {
1319        toggleForegroundService(false);
1320    }
1321
1322    public void setOngoingCall(AbstractJingleConnection.Id id, Set<Media> media, final boolean reconnecting) {
1323        ongoingCall.set(new OngoingCall(id, media, reconnecting));
1324        toggleForegroundService(false);
1325    }
1326
1327    public void removeOngoingCall() {
1328        ongoingCall.set(null);
1329        toggleForegroundService(false);
1330    }
1331
1332    private void toggleForegroundService(boolean force) {
1333        final boolean status;
1334        final OngoingCall ongoing = ongoingCall.get();
1335        if (force || mForceDuringOnCreate.get() || mForceForegroundService.get() || ongoing != null || (Compatibility.keepForegroundService(this) && hasEnabledAccounts())) {
1336            final Notification notification;
1337            final int id;
1338            if (ongoing != null) {
1339                notification = this.mNotificationService.getOngoingCallNotification(ongoing);
1340                id = NotificationService.ONGOING_CALL_NOTIFICATION_ID;
1341                startForeground(id, notification);
1342                mNotificationService.cancel(NotificationService.FOREGROUND_NOTIFICATION_ID);
1343            } else {
1344                notification = this.mNotificationService.createForegroundNotification();
1345                id = NotificationService.FOREGROUND_NOTIFICATION_ID;
1346                startForeground(id, notification);
1347            }
1348
1349            if (!mForceForegroundService.get()) {
1350                mNotificationService.notify(id, notification);
1351            }
1352            status = true;
1353        } else {
1354            stopForeground(true);
1355            status = false;
1356        }
1357        if (!mForceForegroundService.get()) {
1358            mNotificationService.cancel(NotificationService.FOREGROUND_NOTIFICATION_ID);
1359        }
1360        if (ongoing == null) {
1361            mNotificationService.cancel(NotificationService.ONGOING_CALL_NOTIFICATION_ID);
1362        }
1363        Log.d(Config.LOGTAG, "ForegroundService: " + (status ? "on" : "off"));
1364    }
1365
1366    public boolean foregroundNotificationNeedsUpdatingWhenErrorStateChanges() {
1367        return !mForceForegroundService.get() && ongoingCall.get() == null && Compatibility.keepForegroundService(this) && hasEnabledAccounts();
1368    }
1369
1370    @Override
1371    public void onTaskRemoved(final Intent rootIntent) {
1372        super.onTaskRemoved(rootIntent);
1373        if ((Compatibility.keepForegroundService(this) && hasEnabledAccounts()) || mForceForegroundService.get() || ongoingCall.get() != null) {
1374            Log.d(Config.LOGTAG, "ignoring onTaskRemoved because foreground service is activated");
1375        } else {
1376            this.logoutAndSave(false);
1377        }
1378    }
1379
1380    private void logoutAndSave(boolean stop) {
1381        int activeAccounts = 0;
1382        for (final Account account : accounts) {
1383            if (account.getStatus() != Account.State.DISABLED) {
1384                databaseBackend.writeRoster(account.getRoster());
1385                activeAccounts++;
1386            }
1387            if (account.getXmppConnection() != null) {
1388                new Thread(() -> disconnect(account, false)).start();
1389            }
1390        }
1391        if (stop || activeAccounts == 0) {
1392            Log.d(Config.LOGTAG, "good bye");
1393            stopSelf();
1394        }
1395    }
1396
1397    private void schedulePostConnectivityChange() {
1398        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1399        if (alarmManager == null) {
1400            return;
1401        }
1402        final long triggerAtMillis = SystemClock.elapsedRealtime() + (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL * 1000);
1403        final Intent intent = new Intent(this, EventReceiver.class);
1404        intent.setAction(ACTION_POST_CONNECTIVITY_CHANGE);
1405        try {
1406            final PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 1, intent, s()
1407                    ? PendingIntent.FLAG_IMMUTABLE | PendingIntent.FLAG_UPDATE_CURRENT
1408                    : PendingIntent.FLAG_UPDATE_CURRENT);
1409            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1410                alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1411            } else {
1412                alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1413            }
1414        } catch (RuntimeException e) {
1415            Log.e(Config.LOGTAG, "unable to schedule alarm for post connectivity change", e);
1416        }
1417    }
1418
1419    public void scheduleWakeUpCall(int seconds, int requestCode) {
1420        final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000L;
1421        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1422        if (alarmManager == null) {
1423            return;
1424        }
1425        final Intent intent = new Intent(this, EventReceiver.class);
1426        intent.setAction("ping");
1427        try {
1428            final PendingIntent pendingIntent;
1429            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1430                pendingIntent =
1431                        PendingIntent.getBroadcast(
1432                                this, requestCode, intent, PendingIntent.FLAG_IMMUTABLE);
1433            } else {
1434                pendingIntent =
1435                        PendingIntent.getBroadcast(
1436                                this, requestCode, intent, 0);
1437            }
1438            alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1439        } catch (RuntimeException e) {
1440            Log.e(Config.LOGTAG, "unable to schedule alarm for ping", e);
1441        }
1442    }
1443
1444    @TargetApi(Build.VERSION_CODES.M)
1445    private void scheduleNextIdlePing() {
1446        final long timeToWake = SystemClock.elapsedRealtime() + (Config.IDLE_PING_INTERVAL * 1000);
1447        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1448        if (alarmManager == null) {
1449            return;
1450        }
1451        final Intent intent = new Intent(this, EventReceiver.class);
1452        intent.setAction(ACTION_IDLE_PING);
1453        try {
1454            final PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, s()
1455                    ? PendingIntent.FLAG_IMMUTABLE | PendingIntent.FLAG_UPDATE_CURRENT
1456                    : PendingIntent.FLAG_UPDATE_CURRENT);
1457            alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1458        } catch (RuntimeException e) {
1459            Log.d(Config.LOGTAG, "unable to schedule alarm for idle ping", e);
1460        }
1461    }
1462
1463    public XmppConnection createConnection(final Account account) {
1464        final XmppConnection connection = new XmppConnection(account, this);
1465        connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1466        connection.setOnStatusChangedListener(this.statusListener);
1467        connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1468        connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1469        connection.setOnJinglePacketReceivedListener((mJingleConnectionManager::deliverPacket));
1470        connection.setOnBindListener(this.mOnBindListener);
1471        connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1472        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1473        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1474        AxolotlService axolotlService = account.getAxolotlService();
1475        if (axolotlService != null) {
1476            connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1477        }
1478        return connection;
1479    }
1480
1481    public void sendChatState(Conversation conversation) {
1482        if (sendChatStates()) {
1483            MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1484            sendMessagePacket(conversation.getAccount(), packet);
1485        }
1486    }
1487
1488    private void sendFileMessage(final Message message, final boolean delay) {
1489        Log.d(Config.LOGTAG, "send file message");
1490        final Account account = message.getConversation().getAccount();
1491        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1492                || message.getConversation().getMode() == Conversation.MODE_MULTI) {
1493            mHttpConnectionManager.createNewUploadConnection(message, delay);
1494        } else {
1495            mJingleConnectionManager.startJingleFileTransfer(message);
1496        }
1497    }
1498
1499    public void sendMessage(final Message message) {
1500        sendMessage(message, false, false);
1501    }
1502
1503    private void sendMessage(final Message message, final boolean resend, final boolean delay) {
1504        final Account account = message.getConversation().getAccount();
1505        if (account.setShowErrorNotification(true)) {
1506            databaseBackend.updateAccount(account);
1507            mNotificationService.updateErrorNotification();
1508        }
1509        final Conversation conversation = (Conversation) message.getConversation();
1510        account.deactivateGracePeriod();
1511
1512
1513        if (QuickConversationsService.isQuicksy() && conversation.getMode() == Conversation.MODE_SINGLE) {
1514            final Contact contact = conversation.getContact();
1515            if (!contact.showInRoster() && contact.getOption(Contact.Options.SYNCED_VIA_OTHER)) {
1516                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": adding " + contact.getJid() + " on sending message");
1517                createContact(contact, true);
1518            }
1519        }
1520
1521        MessagePacket packet = null;
1522        final boolean addToConversation = (conversation.getMode() != Conversation.MODE_MULTI
1523                || !Patches.BAD_MUC_REFLECTION.contains(account.getServerIdentity()))
1524                && !message.edited();
1525        boolean saveInDb = addToConversation;
1526        message.setStatus(Message.STATUS_WAITING);
1527
1528        if (message.getEncryption() != Message.ENCRYPTION_NONE && conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous()) {
1529            if (conversation.setAttribute(Conversation.ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS, true)) {
1530                databaseBackend.updateConversation(conversation);
1531            }
1532        }
1533
1534        final boolean inProgressJoin = isJoinInProgress(conversation);
1535
1536
1537        if (account.isOnlineAndConnected() && !inProgressJoin) {
1538            switch (message.getEncryption()) {
1539                case Message.ENCRYPTION_NONE:
1540                    if (message.needsUploading()) {
1541                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1542                                || conversation.getMode() == Conversation.MODE_MULTI
1543                                || message.fixCounterpart()) {
1544                            this.sendFileMessage(message, delay);
1545                        } else {
1546                            break;
1547                        }
1548                    } else {
1549                        packet = mMessageGenerator.generateChat(message);
1550                    }
1551                    break;
1552                case Message.ENCRYPTION_PGP:
1553                case Message.ENCRYPTION_DECRYPTED:
1554                    if (message.needsUploading()) {
1555                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1556                                || conversation.getMode() == Conversation.MODE_MULTI
1557                                || message.fixCounterpart()) {
1558                            this.sendFileMessage(message, delay);
1559                        } else {
1560                            break;
1561                        }
1562                    } else {
1563                        packet = mMessageGenerator.generatePgpChat(message);
1564                    }
1565                    break;
1566                case Message.ENCRYPTION_AXOLOTL:
1567                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1568                    if (message.needsUploading()) {
1569                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1570                                || conversation.getMode() == Conversation.MODE_MULTI
1571                                || message.fixCounterpart()) {
1572                            this.sendFileMessage(message, delay);
1573                        } else {
1574                            break;
1575                        }
1576                    } else {
1577                        XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1578                        if (axolotlMessage == null) {
1579                            account.getAxolotlService().preparePayloadMessage(message, delay);
1580                        } else {
1581                            packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1582                        }
1583                    }
1584                    break;
1585
1586            }
1587            if (packet != null) {
1588                if (account.getXmppConnection().getFeatures().sm()
1589                        || (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1590                    message.setStatus(Message.STATUS_UNSEND);
1591                } else {
1592                    message.setStatus(Message.STATUS_SEND);
1593                }
1594            }
1595        } else {
1596            switch (message.getEncryption()) {
1597                case Message.ENCRYPTION_DECRYPTED:
1598                    if (!message.needsUploading()) {
1599                        String pgpBody = message.getEncryptedBody();
1600                        String decryptedBody = message.getBody();
1601                        message.setBody(pgpBody); //TODO might throw NPE
1602                        message.setEncryption(Message.ENCRYPTION_PGP);
1603                        if (message.edited()) {
1604                            message.setBody(decryptedBody);
1605                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1606                            if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1607                                Log.e(Config.LOGTAG, "error updated message in DB after edit");
1608                            }
1609                            updateConversationUi();
1610                            return;
1611                        } else {
1612                            databaseBackend.createMessage(message);
1613                            saveInDb = false;
1614                            message.setBody(decryptedBody);
1615                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1616                        }
1617                    }
1618                    break;
1619                case Message.ENCRYPTION_AXOLOTL:
1620                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1621                    break;
1622            }
1623        }
1624
1625
1626        boolean mucMessage = conversation.getMode() == Conversation.MODE_MULTI && !message.isPrivateMessage();
1627        if (mucMessage) {
1628            message.setCounterpart(conversation.getMucOptions().getSelf().getFullJid());
1629        }
1630
1631        if (resend) {
1632            if (packet != null && addToConversation) {
1633                if (account.getXmppConnection().getFeatures().sm() || mucMessage) {
1634                    markMessage(message, Message.STATUS_UNSEND);
1635                } else {
1636                    markMessage(message, Message.STATUS_SEND);
1637                }
1638            }
1639        } else {
1640            if (addToConversation) {
1641                conversation.add(message);
1642            }
1643            if (saveInDb) {
1644                databaseBackend.createMessage(message);
1645            } else if (message.edited()) {
1646                if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1647                    Log.e(Config.LOGTAG, "error updated message in DB after edit");
1648                }
1649            }
1650            updateConversationUi();
1651        }
1652        if (packet != null) {
1653            if (delay) {
1654                mMessageGenerator.addDelay(packet, message.getTimeSent());
1655            }
1656            if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
1657                if (this.sendChatStates()) {
1658                    packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1659                }
1660            }
1661            sendMessagePacket(account, packet);
1662        }
1663    }
1664
1665    private boolean isJoinInProgress(final Conversation conversation) {
1666        final Account account = conversation.getAccount();
1667        synchronized (account.inProgressConferenceJoins) {
1668            if (conversation.getMode() == Conversational.MODE_MULTI) {
1669                final boolean inProgress = account.inProgressConferenceJoins.contains(conversation);
1670                final boolean pending = account.pendingConferenceJoins.contains(conversation);
1671                final boolean inProgressJoin = inProgress || pending;
1672                if (inProgressJoin) {
1673                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": holding back message to group. inProgress=" + inProgress + ", pending=" + pending);
1674                }
1675                return inProgressJoin;
1676            } else {
1677                return false;
1678            }
1679        }
1680    }
1681
1682    private void sendUnsentMessages(final Conversation conversation) {
1683        conversation.findWaitingMessages(message -> resendMessage(message, true));
1684    }
1685
1686    public void resendMessage(final Message message, final boolean delay) {
1687        sendMessage(message, true, delay);
1688    }
1689
1690    public void requestEasyOnboardingInvite(final Account account, final EasyOnboardingInvite.OnInviteRequested callback) {
1691        final XmppConnection connection = account.getXmppConnection();
1692        final Jid jid = connection == null ? null : connection.getJidForCommand(Namespace.EASY_ONBOARDING_INVITE);
1693        if (jid == null) {
1694            callback.inviteRequestFailed(getString(R.string.server_does_not_support_easy_onboarding_invites));
1695            return;
1696        }
1697        final IqPacket request = new IqPacket(IqPacket.TYPE.SET);
1698        request.setTo(jid);
1699        final Element command = request.addChild("command", Namespace.COMMANDS);
1700        command.setAttribute("node", Namespace.EASY_ONBOARDING_INVITE);
1701        command.setAttribute("action", "execute");
1702        sendIqPacket(account, request, (a, response) -> {
1703            if (response.getType() == IqPacket.TYPE.RESULT) {
1704                final Element resultCommand = response.findChild("command", Namespace.COMMANDS);
1705                final Element x = resultCommand == null ? null : resultCommand.findChild("x", Namespace.DATA);
1706                if (x != null) {
1707                    final Data data = Data.parse(x);
1708                    final String uri = data.getValue("uri");
1709                    final String landingUrl = data.getValue("landing-url");
1710                    if (uri != null) {
1711                        final EasyOnboardingInvite invite = new EasyOnboardingInvite(jid.getDomain().toEscapedString(), uri, landingUrl);
1712                        callback.inviteRequested(invite);
1713                        return;
1714                    }
1715                }
1716                callback.inviteRequestFailed(getString(R.string.unable_to_parse_invite));
1717                Log.d(Config.LOGTAG, response.toString());
1718            } else if (response.getType() == IqPacket.TYPE.ERROR) {
1719                callback.inviteRequestFailed(IqParser.errorMessage(response));
1720            } else {
1721                callback.inviteRequestFailed(getString(R.string.remote_server_timeout));
1722            }
1723        });
1724
1725    }
1726
1727    public void fetchRosterFromServer(final Account account) {
1728        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1729        if (!"".equals(account.getRosterVersion())) {
1730            Log.d(Config.LOGTAG, account.getJid().asBareJid()
1731                    + ": fetching roster version " + account.getRosterVersion());
1732        } else {
1733            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching roster");
1734        }
1735        iqPacket.query(Namespace.ROSTER).setAttribute("ver", account.getRosterVersion());
1736        sendIqPacket(account, iqPacket, mIqParser);
1737    }
1738
1739    public void fetchBookmarks(final Account account) {
1740        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1741        final Element query = iqPacket.query("jabber:iq:private");
1742        query.addChild("storage", Namespace.BOOKMARKS);
1743        final OnIqPacketReceived callback = (a, response) -> {
1744            if (response.getType() == IqPacket.TYPE.RESULT) {
1745                final Element query1 = response.query();
1746                final Element storage = query1.findChild("storage", "storage:bookmarks");
1747                Map<Jid, Bookmark> bookmarks = Bookmark.parseFromStorage(storage, account);
1748                processBookmarksInitial(a, bookmarks, false);
1749            } else {
1750                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": could not fetch bookmarks");
1751            }
1752        };
1753        sendIqPacket(account, iqPacket, callback);
1754    }
1755
1756    public void fetchBookmarks2(final Account account) {
1757        final IqPacket retrieve = mIqGenerator.retrieveBookmarks();
1758        sendIqPacket(account, retrieve, new OnIqPacketReceived() {
1759            @Override
1760            public void onIqPacketReceived(final Account account, final IqPacket response) {
1761                if (response.getType() == IqPacket.TYPE.RESULT) {
1762                    final Element pubsub = response.findChild("pubsub", Namespace.PUBSUB);
1763                    final Map<Jid, Bookmark> bookmarks = Bookmark.parseFromPubsub(pubsub, account);
1764                    processBookmarksInitial(account, bookmarks, true);
1765                }
1766            }
1767        });
1768    }
1769
1770    public void processBookmarksInitial(Account account, Map<Jid, Bookmark> bookmarks, final boolean pep) {
1771        final Set<Jid> previousBookmarks = account.getBookmarkedJids();
1772        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1773        for (Bookmark bookmark : bookmarks.values()) {
1774            previousBookmarks.remove(bookmark.getJid().asBareJid());
1775            processModifiedBookmark(bookmark, pep, synchronizeWithBookmarks);
1776        }
1777        if (pep && synchronizeWithBookmarks) {
1778            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": " + previousBookmarks.size() + " bookmarks have been removed");
1779            for (Jid jid : previousBookmarks) {
1780                processDeletedBookmark(account, jid);
1781            }
1782        }
1783        account.setBookmarks(bookmarks);
1784    }
1785
1786    public void processDeletedBookmark(Account account, Jid jid) {
1787        final Conversation conversation = find(account, jid);
1788        if (conversation != null && conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
1789            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving destroyed conference (" + conversation.getJid() + ") after receiving pep");
1790            archiveConversation(conversation, false);
1791        }
1792    }
1793
1794    private void processModifiedBookmark(Bookmark bookmark, final boolean pep, final boolean synchronizeWithBookmarks) {
1795        final Account account = bookmark.getAccount();
1796        Conversation conversation = find(bookmark);
1797        if (conversation != null) {
1798            if (conversation.getMode() != Conversation.MODE_MULTI) {
1799                return;
1800            }
1801            bookmark.setConversation(conversation);
1802            if (pep && synchronizeWithBookmarks && !bookmark.autojoin()) {
1803                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conference (" + conversation.getJid() + ") after receiving pep");
1804                archiveConversation(conversation, false);
1805            } else {
1806                final MucOptions mucOptions = conversation.getMucOptions();
1807                if (mucOptions.getError() == MucOptions.Error.NICK_IN_USE) {
1808                    final String current = mucOptions.getActualNick();
1809                    final String proposed = mucOptions.getProposedNick();
1810                    if (current != null && !current.equals(proposed)) {
1811                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": proposed nick changed after bookmark push " + current + "->" + proposed);
1812                        joinMuc(conversation);
1813                    }
1814                }
1815            }
1816        } else if (synchronizeWithBookmarks && bookmark.autojoin()) {
1817            conversation = findOrCreateConversation(account, bookmark.getFullJid(), true, true, false);
1818            bookmark.setConversation(conversation);
1819        }
1820    }
1821
1822    public void processModifiedBookmark(Bookmark bookmark) {
1823        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1824        processModifiedBookmark(bookmark, true, synchronizeWithBookmarks);
1825    }
1826
1827    public void createBookmark(final Account account, final Bookmark bookmark) {
1828        account.putBookmark(bookmark);
1829        final XmppConnection connection = account.getXmppConnection();
1830        if (connection == null) {
1831            Log.d(Config.LOGTAG, account.getJid().asBareJid()+": no connection. ignoring bookmark creation");
1832        } else if (connection.getFeatures().bookmarks2()) {
1833            final Element item = mIqGenerator.publishBookmarkItem(bookmark);
1834            pushNodeAndEnforcePublishOptions(account, Namespace.BOOKMARKS2, item, bookmark.getJid().asBareJid().toEscapedString(), PublishOptions.persistentWhitelistAccessMaxItems());
1835        } else if (connection.getFeatures().bookmarksConversion()) {
1836            pushBookmarksPep(account);
1837        } else {
1838            pushBookmarksPrivateXml(account);
1839        }
1840    }
1841
1842    public void deleteBookmark(final Account account, final Bookmark bookmark) {
1843        account.removeBookmark(bookmark);
1844        final XmppConnection connection = account.getXmppConnection();
1845        if (connection.getFeatures().bookmarks2()) {
1846            IqPacket request = mIqGenerator.deleteItem(Namespace.BOOKMARKS2, bookmark.getJid().asBareJid().toEscapedString());
1847            sendIqPacket(account, request, (a, response) -> {
1848                if (response.getType() == IqPacket.TYPE.ERROR) {
1849                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": unable to delete bookmark " + response.getErrorCondition());
1850                }
1851            });
1852        } else if (connection.getFeatures().bookmarksConversion()) {
1853            pushBookmarksPep(account);
1854        } else {
1855            pushBookmarksPrivateXml(account);
1856        }
1857    }
1858
1859    private void pushBookmarksPrivateXml(Account account) {
1860        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via private xml");
1861        IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1862        Element query = iqPacket.query("jabber:iq:private");
1863        Element storage = query.addChild("storage", "storage:bookmarks");
1864        for (Bookmark bookmark : account.getBookmarks()) {
1865            storage.addChild(bookmark);
1866        }
1867        sendIqPacket(account, iqPacket, mDefaultIqHandler);
1868    }
1869
1870    private void pushBookmarksPep(Account account) {
1871        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via pep");
1872        Element storage = new Element("storage", "storage:bookmarks");
1873        for (Bookmark bookmark : account.getBookmarks()) {
1874            storage.addChild(bookmark);
1875        }
1876        pushNodeAndEnforcePublishOptions(account, Namespace.BOOKMARKS, storage, "current", PublishOptions.persistentWhitelistAccess());
1877
1878    }
1879
1880    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options) {
1881        pushNodeAndEnforcePublishOptions(account, node, element, id, options, true);
1882
1883    }
1884
1885    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options, final boolean retry) {
1886        final IqPacket packet = mIqGenerator.publishElement(node, element, id, options);
1887        sendIqPacket(account, packet, (a, response) -> {
1888            if (response.getType() == IqPacket.TYPE.RESULT) {
1889                return;
1890            }
1891            if (retry && PublishOptions.preconditionNotMet(response)) {
1892                pushNodeConfiguration(account, node, options, new OnConfigurationPushed() {
1893                    @Override
1894                    public void onPushSucceeded() {
1895                        pushNodeAndEnforcePublishOptions(account, node, element, id, options, false);
1896                    }
1897
1898                    @Override
1899                    public void onPushFailed() {
1900                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to push node configuration (" + node + ")");
1901                    }
1902                });
1903            } else {
1904                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error publishing bookmarks (retry=" + retry + ") " + response);
1905            }
1906        });
1907    }
1908
1909    private void restoreFromDatabase() {
1910        synchronized (this.conversations) {
1911            final Map<String, Account> accountLookupTable = new Hashtable<>();
1912            for (Account account : this.accounts) {
1913                accountLookupTable.put(account.getUuid(), account);
1914            }
1915            Log.d(Config.LOGTAG, "restoring conversations...");
1916            final long startTimeConversationsRestore = SystemClock.elapsedRealtime();
1917            this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1918            for (Iterator<Conversation> iterator = conversations.listIterator(); iterator.hasNext(); ) {
1919                Conversation conversation = iterator.next();
1920                Account account = accountLookupTable.get(conversation.getAccountUuid());
1921                if (account != null) {
1922                    conversation.setAccount(account);
1923                } else {
1924                    Log.e(Config.LOGTAG, "unable to restore Conversations with " + conversation.getJid());
1925                    iterator.remove();
1926                }
1927            }
1928            long diffConversationsRestore = SystemClock.elapsedRealtime() - startTimeConversationsRestore;
1929            Log.d(Config.LOGTAG, "finished restoring conversations in " + diffConversationsRestore + "ms");
1930            Runnable runnable = () -> {
1931                if (DatabaseBackend.requiresMessageIndexRebuild()) {
1932                    DatabaseBackend.getInstance(this).rebuildMessagesIndex();
1933                }
1934                final long deletionDate = getAutomaticMessageDeletionDate();
1935                mLastExpiryRun.set(SystemClock.elapsedRealtime());
1936                if (deletionDate > 0) {
1937                    Log.d(Config.LOGTAG, "deleting messages that are older than " + AbstractGenerator.getTimestamp(deletionDate));
1938                    databaseBackend.expireOldMessages(deletionDate);
1939                }
1940                Log.d(Config.LOGTAG, "restoring roster...");
1941                for (Account account : accounts) {
1942                    databaseBackend.readRoster(account.getRoster());
1943                    account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1944                }
1945                getBitmapCache().evictAll();
1946                loadPhoneContacts();
1947                Log.d(Config.LOGTAG, "restoring messages...");
1948                final long startMessageRestore = SystemClock.elapsedRealtime();
1949                final Conversation quickLoad = QuickLoader.get(this.conversations);
1950                if (quickLoad != null) {
1951                    restoreMessages(quickLoad);
1952                    updateConversationUi();
1953                    final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1954                    Log.d(Config.LOGTAG, "quickly restored " + quickLoad.getName() + " after " + diffMessageRestore + "ms");
1955                }
1956                for (Conversation conversation : this.conversations) {
1957                    if (quickLoad != conversation) {
1958                        restoreMessages(conversation);
1959                    }
1960                }
1961                mNotificationService.finishBacklog(false);
1962                restoredFromDatabaseLatch.countDown();
1963                final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1964                Log.d(Config.LOGTAG, "finished restoring messages in " + diffMessageRestore + "ms");
1965                updateConversationUi();
1966            };
1967            mDatabaseReaderExecutor.execute(runnable); //will contain one write command (expiry) but that's fine
1968        }
1969    }
1970
1971    private void restoreMessages(Conversation conversation) {
1972        conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1973        conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
1974        conversation.findUnreadMessagesAndCalls(mNotificationService::pushFromBacklog);
1975    }
1976
1977    public void loadPhoneContacts() {
1978        mContactMergerExecutor.execute(() -> {
1979            Map<Jid, JabberIdContact> contacts = JabberIdContact.load(this);
1980            Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1981            for (Account account : accounts) {
1982                List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts(JabberIdContact.class);
1983                for (JabberIdContact jidContact : contacts.values()) {
1984                    final Contact contact = account.getRoster().getContact(jidContact.getJid());
1985                    boolean needsCacheClean = contact.setPhoneContact(jidContact);
1986                    if (needsCacheClean) {
1987                        getAvatarService().clear(contact);
1988                    }
1989                    withSystemAccounts.remove(contact);
1990                }
1991                for (Contact contact : withSystemAccounts) {
1992                    boolean needsCacheClean = contact.unsetPhoneContact(JabberIdContact.class);
1993                    if (needsCacheClean) {
1994                        getAvatarService().clear(contact);
1995                    }
1996                }
1997            }
1998            Log.d(Config.LOGTAG, "finished merging phone contacts");
1999            mShortcutService.refresh(mInitialAddressbookSyncCompleted.compareAndSet(false, true));
2000            updateRosterUi();
2001            mQuickConversationsService.considerSync();
2002        });
2003    }
2004
2005
2006    public void syncRoster(final Account account) {
2007        mRosterSyncTaskManager.execute(account, () -> databaseBackend.writeRoster(account.getRoster()));
2008    }
2009
2010    public List<Conversation> getConversations() {
2011        return this.conversations;
2012    }
2013
2014    private void markFileDeleted(final File file) {
2015        synchronized (FILENAMES_TO_IGNORE_DELETION) {
2016            if (FILENAMES_TO_IGNORE_DELETION.remove(file.getAbsolutePath())) {
2017                Log.d(Config.LOGTAG, "ignored deletion of " + file.getAbsolutePath());
2018                return;
2019            }
2020        }
2021        final boolean isInternalFile = fileBackend.isInternalFile(file);
2022        final List<String> uuids = databaseBackend.markFileAsDeleted(file, isInternalFile);
2023        Log.d(Config.LOGTAG, "deleted file " + file.getAbsolutePath() + " internal=" + isInternalFile + ", database hits=" + uuids.size());
2024        markUuidsAsDeletedFiles(uuids);
2025    }
2026
2027    private void markUuidsAsDeletedFiles(List<String> uuids) {
2028        boolean deleted = false;
2029        for (Conversation conversation : getConversations()) {
2030            deleted |= conversation.markAsDeleted(uuids);
2031        }
2032        for (final String uuid : uuids) {
2033            evictPreview(uuid);
2034        }
2035        if (deleted) {
2036            updateConversationUi();
2037        }
2038    }
2039
2040    private void markChangedFiles(List<DatabaseBackend.FilePathInfo> infos) {
2041        boolean changed = false;
2042        for (Conversation conversation : getConversations()) {
2043            changed |= conversation.markAsChanged(infos);
2044        }
2045        if (changed) {
2046            updateConversationUi();
2047        }
2048    }
2049
2050    public void populateWithOrderedConversations(final List<Conversation> list) {
2051        populateWithOrderedConversations(list, true, true);
2052    }
2053
2054    public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload) {
2055        populateWithOrderedConversations(list, includeNoFileUpload, true);
2056    }
2057
2058    public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload, final boolean sort) {
2059        final List<String> orderedUuids;
2060        if (sort) {
2061            orderedUuids = null;
2062        } else {
2063            orderedUuids = new ArrayList<>();
2064            for (Conversation conversation : list) {
2065                orderedUuids.add(conversation.getUuid());
2066            }
2067        }
2068        list.clear();
2069        if (includeNoFileUpload) {
2070            list.addAll(getConversations());
2071        } else {
2072            for (Conversation conversation : getConversations()) {
2073                if (conversation.getMode() == Conversation.MODE_SINGLE
2074                        || (conversation.getAccount().httpUploadAvailable() && conversation.getMucOptions().participating())) {
2075                    list.add(conversation);
2076                }
2077            }
2078        }
2079        try {
2080            if (orderedUuids != null) {
2081                Collections.sort(list, (a, b) -> {
2082                    final int indexA = orderedUuids.indexOf(a.getUuid());
2083                    final int indexB = orderedUuids.indexOf(b.getUuid());
2084                    if (indexA == -1 || indexB == -1 || indexA == indexB) {
2085                        return a.compareTo(b);
2086                    }
2087                    return indexA - indexB;
2088                });
2089            } else {
2090                Collections.sort(list);
2091            }
2092        } catch (IllegalArgumentException e) {
2093            //ignore
2094        }
2095    }
2096
2097    public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
2098        if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
2099            return;
2100        } else if (timestamp == 0) {
2101            return;
2102        }
2103        Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
2104        final Runnable runnable = () -> {
2105            final Account account = conversation.getAccount();
2106            List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
2107            if (messages.size() > 0) {
2108                conversation.addAll(0, messages);
2109                callback.onMoreMessagesLoaded(messages.size(), conversation);
2110            } else if (conversation.hasMessagesLeftOnServer()
2111                    && account.isOnlineAndConnected()
2112                    && conversation.getLastClearHistory().getTimestamp() == 0) {
2113                final boolean mamAvailable;
2114                if (conversation.getMode() == Conversation.MODE_SINGLE) {
2115                    mamAvailable = account.getXmppConnection().getFeatures().mam() && !conversation.getContact().isBlocked();
2116                } else {
2117                    mamAvailable = conversation.getMucOptions().mamSupport();
2118                }
2119                if (mamAvailable) {
2120                    MessageArchiveService.Query query = getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
2121                    if (query != null) {
2122                        query.setCallback(callback);
2123                        callback.informUser(R.string.fetching_history_from_server);
2124                    } else {
2125                        callback.informUser(R.string.not_fetching_history_retention_period);
2126                    }
2127
2128                }
2129            }
2130        };
2131        mDatabaseReaderExecutor.execute(runnable);
2132    }
2133
2134    public List<Account> getAccounts() {
2135        return this.accounts;
2136    }
2137
2138
2139    /**
2140     * 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)
2141     */
2142    public List<Conversation> findAllConferencesWith(Contact contact) {
2143        final ArrayList<Conversation> results = new ArrayList<>();
2144        for (final Conversation c : conversations) {
2145            if (c.getMode() != Conversation.MODE_MULTI) {
2146                continue;
2147            }
2148            final MucOptions mucOptions = c.getMucOptions();
2149            if (c.getJid().asBareJid().equals(contact.getJid().asBareJid()) || (mucOptions != null && mucOptions.isContactInRoom(contact))) {
2150                results.add(c);
2151            }
2152        }
2153        return results;
2154    }
2155
2156    public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
2157        for (final Conversation conversation : haystack) {
2158            if (conversation.getContact() == contact) {
2159                return conversation;
2160            }
2161        }
2162        return null;
2163    }
2164
2165    public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
2166        if (jid == null) {
2167            return null;
2168        }
2169        for (final Conversation conversation : haystack) {
2170            if ((account == null || conversation.getAccount() == account)
2171                    && (conversation.getJid().asBareJid().equals(jid.asBareJid()))) {
2172                return conversation;
2173            }
2174        }
2175        return null;
2176    }
2177
2178    public boolean isConversationsListEmpty(final Conversation ignore) {
2179        synchronized (this.conversations) {
2180            final int size = this.conversations.size();
2181            return size == 0 || size == 1 && this.conversations.get(0) == ignore;
2182        }
2183    }
2184
2185    public boolean isConversationStillOpen(final Conversation conversation) {
2186        synchronized (this.conversations) {
2187            for (Conversation current : this.conversations) {
2188                if (current == conversation) {
2189                    return true;
2190                }
2191            }
2192        }
2193        return false;
2194    }
2195
2196    public Conversation findOrCreateConversation(Account account, Jid jid, boolean muc, final boolean async) {
2197        return this.findOrCreateConversation(account, jid, muc, false, async);
2198    }
2199
2200    public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final boolean async) {
2201        return this.findOrCreateConversation(account, jid, muc, joinAfterCreate, null, async);
2202    }
2203
2204    public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final MessageArchiveService.Query query, final boolean async) {
2205        synchronized (this.conversations) {
2206            Conversation conversation = find(account, jid);
2207            if (conversation != null) {
2208                return conversation;
2209            }
2210            conversation = databaseBackend.findConversation(account, jid);
2211            final boolean loadMessagesFromDb;
2212            if (conversation != null) {
2213                conversation.setStatus(Conversation.STATUS_AVAILABLE);
2214                conversation.setAccount(account);
2215                if (muc) {
2216                    conversation.setMode(Conversation.MODE_MULTI);
2217                    conversation.setContactJid(jid);
2218                } else {
2219                    conversation.setMode(Conversation.MODE_SINGLE);
2220                    conversation.setContactJid(jid.asBareJid());
2221                }
2222                databaseBackend.updateConversation(conversation);
2223                loadMessagesFromDb = conversation.messagesLoaded.compareAndSet(true, false);
2224            } else {
2225                String conversationName;
2226                Contact contact = account.getRoster().getContact(jid);
2227                if (contact != null) {
2228                    conversationName = contact.getDisplayName();
2229                } else {
2230                    conversationName = jid.getLocal();
2231                }
2232                if (muc) {
2233                    conversation = new Conversation(conversationName, account, jid,
2234                            Conversation.MODE_MULTI);
2235                } else {
2236                    conversation = new Conversation(conversationName, account, jid.asBareJid(),
2237                            Conversation.MODE_SINGLE);
2238                }
2239                this.databaseBackend.createConversation(conversation);
2240                loadMessagesFromDb = false;
2241            }
2242            final Conversation c = conversation;
2243            final Runnable runnable = () -> {
2244                if (loadMessagesFromDb) {
2245                    c.addAll(0, databaseBackend.getMessages(c, Config.PAGE_SIZE));
2246                    updateConversationUi();
2247                    c.messagesLoaded.set(true);
2248                }
2249                if (account.getXmppConnection() != null
2250                        && !c.getContact().isBlocked()
2251                        && account.getXmppConnection().getFeatures().mam()
2252                        && !muc) {
2253                    if (query == null) {
2254                        mMessageArchiveService.query(c);
2255                    } else {
2256                        if (query.getConversation() == null) {
2257                            mMessageArchiveService.query(c, query.getStart(), query.isCatchup());
2258                        }
2259                    }
2260                }
2261                if (joinAfterCreate) {
2262                    joinMuc(c);
2263                }
2264            };
2265            if (async) {
2266                mDatabaseReaderExecutor.execute(runnable);
2267            } else {
2268                runnable.run();
2269            }
2270            this.conversations.add(conversation);
2271            updateConversationUi();
2272            return conversation;
2273        }
2274    }
2275
2276    public void archiveConversation(Conversation conversation) {
2277        archiveConversation(conversation, true);
2278    }
2279
2280    private void archiveConversation(Conversation conversation, final boolean maySynchronizeWithBookmarks) {
2281        getNotificationService().clear(conversation);
2282        conversation.setStatus(Conversation.STATUS_ARCHIVED);
2283        conversation.setNextMessage(null);
2284        synchronized (this.conversations) {
2285            getMessageArchiveService().kill(conversation);
2286            if (conversation.getMode() == Conversation.MODE_MULTI) {
2287                if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2288                    final Bookmark bookmark = conversation.getBookmark();
2289                    if (maySynchronizeWithBookmarks && bookmark != null && synchronizeWithBookmarks()) {
2290                        if (conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
2291                            Account account = bookmark.getAccount();
2292                            bookmark.setConversation(null);
2293                            deleteBookmark(account, bookmark);
2294                        } else if (bookmark.autojoin()) {
2295                            bookmark.setAutojoin(false);
2296                            createBookmark(bookmark.getAccount(), bookmark);
2297                        }
2298                    }
2299                }
2300                leaveMuc(conversation);
2301            } else {
2302                if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
2303                    stopPresenceUpdatesTo(conversation.getContact());
2304                }
2305            }
2306            updateConversation(conversation);
2307            this.conversations.remove(conversation);
2308            updateConversationUi();
2309        }
2310    }
2311
2312    public void stopPresenceUpdatesTo(Contact contact) {
2313        Log.d(Config.LOGTAG, "Canceling presence request from " + contact.getJid().toString());
2314        sendPresencePacket(contact.getAccount(), mPresenceGenerator.stopPresenceUpdatesTo(contact));
2315        contact.resetOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
2316    }
2317
2318    public void createAccount(final Account account) {
2319        account.initAccountServices(this);
2320        databaseBackend.createAccount(account);
2321        this.accounts.add(account);
2322        this.reconnectAccountInBackground(account);
2323        updateAccountUi();
2324        syncEnabledAccountSetting();
2325        toggleForegroundService();
2326    }
2327
2328    private void syncEnabledAccountSetting() {
2329        final boolean hasEnabledAccounts = hasEnabledAccounts();
2330        getPreferences().edit().putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
2331        toggleSetProfilePictureActivity(hasEnabledAccounts);
2332    }
2333
2334    private void toggleSetProfilePictureActivity(final boolean enabled) {
2335        try {
2336            final ComponentName name = new ComponentName(this, ChooseAccountForProfilePictureActivity.class);
2337            final int targetState = enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
2338            getPackageManager().setComponentEnabledSetting(name, targetState, PackageManager.DONT_KILL_APP);
2339        } catch (IllegalStateException e) {
2340            Log.d(Config.LOGTAG, "unable to toggle profile picture actvitiy");
2341        }
2342    }
2343
2344    private void provisionAccount(final String address, final String password) {
2345        final Jid jid = Jid.ofEscaped(address);
2346        final Account account = new Account(jid, password);
2347        account.setOption(Account.OPTION_DISABLED, true);
2348        Log.d(Config.LOGTAG, jid.asBareJid().toEscapedString() + ": provisioning account");
2349        createAccount(account);
2350    }
2351
2352    public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
2353        new Thread(() -> {
2354            try {
2355                final X509Certificate[] chain = KeyChain.getCertificateChain(this, alias);
2356                final X509Certificate cert = chain != null && chain.length > 0 ? chain[0] : null;
2357                if (cert == null) {
2358                    callback.informUser(R.string.unable_to_parse_certificate);
2359                    return;
2360                }
2361                Pair<Jid, String> info = CryptoHelper.extractJidAndName(cert);
2362                if (info == null) {
2363                    callback.informUser(R.string.certificate_does_not_contain_jid);
2364                    return;
2365                }
2366                if (findAccountByJid(info.first) == null) {
2367                    final Account account = new Account(info.first, "");
2368                    account.setPrivateKeyAlias(alias);
2369                    account.setOption(Account.OPTION_DISABLED, true);
2370                    account.setOption(Account.OPTION_FIXED_USERNAME, true);
2371                    account.setDisplayName(info.second);
2372                    createAccount(account);
2373                    callback.onAccountCreated(account);
2374                    if (Config.X509_VERIFICATION) {
2375                        try {
2376                            getMemorizingTrustManager().getNonInteractive(account.getServer()).checkClientTrusted(chain, "RSA");
2377                        } catch (CertificateException e) {
2378                            callback.informUser(R.string.certificate_chain_is_not_trusted);
2379                        }
2380                    }
2381                } else {
2382                    callback.informUser(R.string.account_already_exists);
2383                }
2384            } catch (Exception e) {
2385                callback.informUser(R.string.unable_to_parse_certificate);
2386            }
2387        }).start();
2388
2389    }
2390
2391    public void updateKeyInAccount(final Account account, final String alias) {
2392        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": update key in account " + alias);
2393        try {
2394            X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
2395            Log.d(Config.LOGTAG, account.getJid().asBareJid() + " loaded certificate chain");
2396            Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
2397            if (info == null) {
2398                showErrorToastInUi(R.string.certificate_does_not_contain_jid);
2399                return;
2400            }
2401            if (account.getJid().asBareJid().equals(info.first)) {
2402                account.setPrivateKeyAlias(alias);
2403                account.setDisplayName(info.second);
2404                databaseBackend.updateAccount(account);
2405                if (Config.X509_VERIFICATION) {
2406                    try {
2407                        getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
2408                    } catch (CertificateException e) {
2409                        showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
2410                    }
2411                    account.getAxolotlService().regenerateKeys(true);
2412                }
2413            } else {
2414                showErrorToastInUi(R.string.jid_does_not_match_certificate);
2415            }
2416        } catch (Exception e) {
2417            e.printStackTrace();
2418        }
2419    }
2420
2421    public boolean updateAccount(final Account account) {
2422        if (databaseBackend.updateAccount(account)) {
2423            account.setShowErrorNotification(true);
2424            this.statusListener.onStatusChanged(account);
2425            databaseBackend.updateAccount(account);
2426            reconnectAccountInBackground(account);
2427            updateAccountUi();
2428            getNotificationService().updateErrorNotification();
2429            toggleForegroundService();
2430            syncEnabledAccountSetting();
2431            mChannelDiscoveryService.cleanCache();
2432            return true;
2433        } else {
2434            return false;
2435        }
2436    }
2437
2438    public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
2439        final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
2440        sendIqPacket(account, iq, (a, packet) -> {
2441            if (packet.getType() == IqPacket.TYPE.RESULT) {
2442                a.setPassword(newPassword);
2443                a.setOption(Account.OPTION_MAGIC_CREATE, false);
2444                databaseBackend.updateAccount(a);
2445                callback.onPasswordChangeSucceeded();
2446            } else {
2447                callback.onPasswordChangeFailed();
2448            }
2449        });
2450    }
2451
2452    public void deleteAccount(final Account account) {
2453        final boolean connected = account.getStatus() == Account.State.ONLINE;
2454        synchronized (this.conversations) {
2455            if (connected) {
2456                account.getAxolotlService().deleteOmemoIdentity();
2457            }
2458            for (final Conversation conversation : conversations) {
2459                if (conversation.getAccount() == account) {
2460                    if (conversation.getMode() == Conversation.MODE_MULTI) {
2461                        if (connected) {
2462                            leaveMuc(conversation);
2463                        }
2464                    }
2465                    conversations.remove(conversation);
2466                    mNotificationService.clear(conversation);
2467                }
2468            }
2469            if (account.getXmppConnection() != null) {
2470                new Thread(() -> disconnect(account, !connected)).start();
2471            }
2472            final Runnable runnable = () -> {
2473                if (!databaseBackend.deleteAccount(account)) {
2474                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to delete account");
2475                }
2476            };
2477            mDatabaseWriterExecutor.execute(runnable);
2478            this.accounts.remove(account);
2479            this.mRosterSyncTaskManager.clear(account);
2480            updateAccountUi();
2481            mNotificationService.updateErrorNotification();
2482            syncEnabledAccountSetting();
2483            toggleForegroundService();
2484        }
2485    }
2486
2487    public void setOnConversationListChangedListener(OnConversationUpdate listener) {
2488        final boolean remainingListeners;
2489        synchronized (LISTENER_LOCK) {
2490            remainingListeners = checkListeners();
2491            if (!this.mOnConversationUpdates.add(listener)) {
2492                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as ConversationListChangedListener");
2493            }
2494            this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2495        }
2496        if (remainingListeners) {
2497            switchToForeground();
2498        }
2499    }
2500
2501    public void removeOnConversationListChangedListener(OnConversationUpdate listener) {
2502        final boolean remainingListeners;
2503        synchronized (LISTENER_LOCK) {
2504            this.mOnConversationUpdates.remove(listener);
2505            this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2506            remainingListeners = checkListeners();
2507        }
2508        if (remainingListeners) {
2509            switchToBackground();
2510        }
2511    }
2512
2513    public void setOnShowErrorToastListener(OnShowErrorToast listener) {
2514        final boolean remainingListeners;
2515        synchronized (LISTENER_LOCK) {
2516            remainingListeners = checkListeners();
2517            if (!this.mOnShowErrorToasts.add(listener)) {
2518                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnShowErrorToastListener");
2519            }
2520        }
2521        if (remainingListeners) {
2522            switchToForeground();
2523        }
2524    }
2525
2526    public void removeOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
2527        final boolean remainingListeners;
2528        synchronized (LISTENER_LOCK) {
2529            this.mOnShowErrorToasts.remove(onShowErrorToast);
2530            remainingListeners = checkListeners();
2531        }
2532        if (remainingListeners) {
2533            switchToBackground();
2534        }
2535    }
2536
2537    public void setOnAccountListChangedListener(OnAccountUpdate listener) {
2538        final boolean remainingListeners;
2539        synchronized (LISTENER_LOCK) {
2540            remainingListeners = checkListeners();
2541            if (!this.mOnAccountUpdates.add(listener)) {
2542                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnAccountListChangedtListener");
2543            }
2544        }
2545        if (remainingListeners) {
2546            switchToForeground();
2547        }
2548    }
2549
2550    public void removeOnAccountListChangedListener(OnAccountUpdate listener) {
2551        final boolean remainingListeners;
2552        synchronized (LISTENER_LOCK) {
2553            this.mOnAccountUpdates.remove(listener);
2554            remainingListeners = checkListeners();
2555        }
2556        if (remainingListeners) {
2557            switchToBackground();
2558        }
2559    }
2560
2561    public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2562        final boolean remainingListeners;
2563        synchronized (LISTENER_LOCK) {
2564            remainingListeners = checkListeners();
2565            if (!this.mOnCaptchaRequested.add(listener)) {
2566                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnCaptchaRequestListener");
2567            }
2568        }
2569        if (remainingListeners) {
2570            switchToForeground();
2571        }
2572    }
2573
2574    public void removeOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2575        final boolean remainingListeners;
2576        synchronized (LISTENER_LOCK) {
2577            this.mOnCaptchaRequested.remove(listener);
2578            remainingListeners = checkListeners();
2579        }
2580        if (remainingListeners) {
2581            switchToBackground();
2582        }
2583    }
2584
2585    public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
2586        final boolean remainingListeners;
2587        synchronized (LISTENER_LOCK) {
2588            remainingListeners = checkListeners();
2589            if (!this.mOnRosterUpdates.add(listener)) {
2590                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnRosterUpdateListener");
2591            }
2592        }
2593        if (remainingListeners) {
2594            switchToForeground();
2595        }
2596    }
2597
2598    public void removeOnRosterUpdateListener(final OnRosterUpdate listener) {
2599        final boolean remainingListeners;
2600        synchronized (LISTENER_LOCK) {
2601            this.mOnRosterUpdates.remove(listener);
2602            remainingListeners = checkListeners();
2603        }
2604        if (remainingListeners) {
2605            switchToBackground();
2606        }
2607    }
2608
2609    public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2610        final boolean remainingListeners;
2611        synchronized (LISTENER_LOCK) {
2612            remainingListeners = checkListeners();
2613            if (!this.mOnUpdateBlocklist.add(listener)) {
2614                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnUpdateBlocklistListener");
2615            }
2616        }
2617        if (remainingListeners) {
2618            switchToForeground();
2619        }
2620    }
2621
2622    public void removeOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2623        final boolean remainingListeners;
2624        synchronized (LISTENER_LOCK) {
2625            this.mOnUpdateBlocklist.remove(listener);
2626            remainingListeners = checkListeners();
2627        }
2628        if (remainingListeners) {
2629            switchToBackground();
2630        }
2631    }
2632
2633    public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
2634        final boolean remainingListeners;
2635        synchronized (LISTENER_LOCK) {
2636            remainingListeners = checkListeners();
2637            if (!this.mOnKeyStatusUpdated.add(listener)) {
2638                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnKeyStatusUpdateListener");
2639            }
2640        }
2641        if (remainingListeners) {
2642            switchToForeground();
2643        }
2644    }
2645
2646    public void removeOnNewKeysAvailableListener(final OnKeyStatusUpdated listener) {
2647        final boolean remainingListeners;
2648        synchronized (LISTENER_LOCK) {
2649            this.mOnKeyStatusUpdated.remove(listener);
2650            remainingListeners = checkListeners();
2651        }
2652        if (remainingListeners) {
2653            switchToBackground();
2654        }
2655    }
2656
2657    public void setOnRtpConnectionUpdateListener(final OnJingleRtpConnectionUpdate listener) {
2658        final boolean remainingListeners;
2659        synchronized (LISTENER_LOCK) {
2660            remainingListeners = checkListeners();
2661            if (!this.onJingleRtpConnectionUpdate.add(listener)) {
2662                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnJingleRtpConnectionUpdate");
2663            }
2664        }
2665        if (remainingListeners) {
2666            switchToForeground();
2667        }
2668    }
2669
2670    public void removeRtpConnectionUpdateListener(final OnJingleRtpConnectionUpdate listener) {
2671        final boolean remainingListeners;
2672        synchronized (LISTENER_LOCK) {
2673            this.onJingleRtpConnectionUpdate.remove(listener);
2674            remainingListeners = checkListeners();
2675        }
2676        if (remainingListeners) {
2677            switchToBackground();
2678        }
2679    }
2680
2681    public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
2682        final boolean remainingListeners;
2683        synchronized (LISTENER_LOCK) {
2684            remainingListeners = checkListeners();
2685            if (!this.mOnMucRosterUpdate.add(listener)) {
2686                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnMucRosterListener");
2687            }
2688        }
2689        if (remainingListeners) {
2690            switchToForeground();
2691        }
2692    }
2693
2694    public void removeOnMucRosterUpdateListener(final OnMucRosterUpdate listener) {
2695        final boolean remainingListeners;
2696        synchronized (LISTENER_LOCK) {
2697            this.mOnMucRosterUpdate.remove(listener);
2698            remainingListeners = checkListeners();
2699        }
2700        if (remainingListeners) {
2701            switchToBackground();
2702        }
2703    }
2704
2705    public boolean checkListeners() {
2706        return (this.mOnAccountUpdates.size() == 0
2707                && this.mOnConversationUpdates.size() == 0
2708                && this.mOnRosterUpdates.size() == 0
2709                && this.mOnCaptchaRequested.size() == 0
2710                && this.mOnMucRosterUpdate.size() == 0
2711                && this.mOnUpdateBlocklist.size() == 0
2712                && this.mOnShowErrorToasts.size() == 0
2713                && this.onJingleRtpConnectionUpdate.size() == 0
2714                && this.mOnKeyStatusUpdated.size() == 0);
2715    }
2716
2717    private void switchToForeground() {
2718        final boolean broadcastLastActivity = broadcastLastActivity();
2719        for (Conversation conversation : getConversations()) {
2720            if (conversation.getMode() == Conversation.MODE_MULTI) {
2721                conversation.getMucOptions().resetChatState();
2722            } else {
2723                conversation.setIncomingChatState(Config.DEFAULT_CHAT_STATE);
2724            }
2725        }
2726        for (Account account : getAccounts()) {
2727            if (account.getStatus() == Account.State.ONLINE) {
2728                account.deactivateGracePeriod();
2729                final XmppConnection connection = account.getXmppConnection();
2730                if (connection != null) {
2731                    if (connection.getFeatures().csi()) {
2732                        connection.sendActive();
2733                    }
2734                    if (broadcastLastActivity) {
2735                        sendPresence(account, false); //send new presence but don't include idle because we are not
2736                    }
2737                }
2738            }
2739        }
2740        Log.d(Config.LOGTAG, "app switched into foreground");
2741    }
2742
2743    private void switchToBackground() {
2744        final boolean broadcastLastActivity = broadcastLastActivity();
2745        if (broadcastLastActivity) {
2746            mLastActivity = System.currentTimeMillis();
2747            final SharedPreferences.Editor editor = getPreferences().edit();
2748            editor.putLong(SETTING_LAST_ACTIVITY_TS, mLastActivity);
2749            editor.apply();
2750        }
2751        for (Account account : getAccounts()) {
2752            if (account.getStatus() == Account.State.ONLINE) {
2753                XmppConnection connection = account.getXmppConnection();
2754                if (connection != null) {
2755                    if (broadcastLastActivity) {
2756                        sendPresence(account, true);
2757                    }
2758                    if (connection.getFeatures().csi()) {
2759                        connection.sendInactive();
2760                    }
2761                }
2762            }
2763        }
2764        this.mNotificationService.setIsInForeground(false);
2765        Log.d(Config.LOGTAG, "app switched into background");
2766    }
2767
2768    private void connectMultiModeConversations(Account account) {
2769        List<Conversation> conversations = getConversations();
2770        for (Conversation conversation : conversations) {
2771            if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
2772                joinMuc(conversation);
2773            }
2774        }
2775    }
2776
2777    public void mucSelfPingAndRejoin(final Conversation conversation) {
2778        final Account account = conversation.getAccount();
2779        synchronized (account.inProgressConferenceJoins) {
2780            if (account.inProgressConferenceJoins.contains(conversation)) {
2781                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because join is already under way");
2782                return;
2783            }
2784        }
2785        synchronized (account.inProgressConferencePings) {
2786            if (!account.inProgressConferencePings.add(conversation)) {
2787                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because ping is already under way");
2788                return;
2789            }
2790        }
2791        final Jid self = conversation.getMucOptions().getSelf().getFullJid();
2792        final IqPacket ping = new IqPacket(IqPacket.TYPE.GET);
2793        ping.setTo(self);
2794        ping.addChild("ping", Namespace.PING);
2795        sendIqPacket(conversation.getAccount(), ping, (a, response) -> {
2796            if (response.getType() == IqPacket.TYPE.ERROR) {
2797                Element error = response.findChild("error");
2798                if (error == null || error.hasChild("service-unavailable") || error.hasChild("feature-not-implemented") || error.hasChild("item-not-found")) {
2799                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " came back as ignorable error");
2800                } else {
2801                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " failed. attempting rejoin");
2802                    joinMuc(conversation);
2803                }
2804            } else if (response.getType() == IqPacket.TYPE.RESULT) {
2805                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " came back fine");
2806            }
2807            synchronized (account.inProgressConferencePings) {
2808                account.inProgressConferencePings.remove(conversation);
2809            }
2810        });
2811    }
2812    public void joinMuc(Conversation conversation) {
2813        joinMuc(conversation, null, false);
2814    }
2815
2816    public void joinMuc(Conversation conversation, boolean followedInvite) {
2817        joinMuc(conversation, null, followedInvite);
2818    }
2819
2820    private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2821        joinMuc(conversation, onConferenceJoined, false);
2822    }
2823
2824    private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined, final boolean followedInvite) {
2825        final Account account = conversation.getAccount();
2826        synchronized (account.pendingConferenceJoins) {
2827            account.pendingConferenceJoins.remove(conversation);
2828        }
2829        synchronized (account.pendingConferenceLeaves) {
2830            account.pendingConferenceLeaves.remove(conversation);
2831        }
2832        if (account.getStatus() == Account.State.ONLINE) {
2833            synchronized (account.inProgressConferenceJoins) {
2834                account.inProgressConferenceJoins.add(conversation);
2835            }
2836            if (Config.MUC_LEAVE_BEFORE_JOIN) {
2837                sendPresencePacket(account, mPresenceGenerator.leave(conversation.getMucOptions()));
2838            }
2839            conversation.resetMucOptions();
2840            if (onConferenceJoined != null) {
2841                conversation.getMucOptions().flagNoAutoPushConfiguration();
2842            }
2843            conversation.setHasMessagesLeftOnServer(false);
2844            fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
2845
2846                private void join(Conversation conversation) {
2847                    Account account = conversation.getAccount();
2848                    final MucOptions mucOptions = conversation.getMucOptions();
2849
2850                    if (mucOptions.nonanonymous() && !mucOptions.membersOnly() && !conversation.getBooleanAttribute("accept_non_anonymous", false)) {
2851                        synchronized (account.inProgressConferenceJoins) {
2852                            account.inProgressConferenceJoins.remove(conversation);
2853                        }
2854                        mucOptions.setError(MucOptions.Error.NON_ANONYMOUS);
2855                        updateConversationUi();
2856                        if (onConferenceJoined != null) {
2857                            onConferenceJoined.onConferenceJoined(conversation);
2858                        }
2859                        return;
2860                    }
2861
2862                    final Jid joinJid = mucOptions.getSelf().getFullJid();
2863                    Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": joining conversation " + joinJid.toString());
2864                    PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous() || onConferenceJoined != null);
2865                    packet.setTo(joinJid);
2866                    Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
2867                    if (conversation.getMucOptions().getPassword() != null) {
2868                        x.addChild("password").setContent(mucOptions.getPassword());
2869                    }
2870
2871                    if (mucOptions.mamSupport()) {
2872                        // Use MAM instead of the limited muc history to get history
2873                        x.addChild("history").setAttribute("maxchars", "0");
2874                    } else {
2875                        // Fallback to muc history
2876                        x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted().getTimestamp()));
2877                    }
2878                    sendPresencePacket(account, packet);
2879                    if (onConferenceJoined != null) {
2880                        onConferenceJoined.onConferenceJoined(conversation);
2881                    }
2882                    if (!joinJid.equals(conversation.getJid())) {
2883                        conversation.setContactJid(joinJid);
2884                        databaseBackend.updateConversation(conversation);
2885                    }
2886
2887                    if (mucOptions.mamSupport()) {
2888                        getMessageArchiveService().catchupMUC(conversation);
2889                    }
2890                    if (mucOptions.isPrivateAndNonAnonymous()) {
2891                        fetchConferenceMembers(conversation);
2892
2893                        if (followedInvite) {
2894                            final Bookmark bookmark = conversation.getBookmark();
2895                            if (bookmark != null) {
2896                                if (!bookmark.autojoin()) {
2897                                    bookmark.setAutojoin(true);
2898                                    createBookmark(account, bookmark);
2899                                }
2900                            } else {
2901                                saveConversationAsBookmark(conversation, null);
2902                            }
2903                        }
2904                    }
2905                    synchronized (account.inProgressConferenceJoins) {
2906                        account.inProgressConferenceJoins.remove(conversation);
2907                        sendUnsentMessages(conversation);
2908                    }
2909                }
2910
2911                @Override
2912                public void onConferenceConfigurationFetched(Conversation conversation) {
2913                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2914                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": conversation (" + conversation.getJid() + ") got archived before IQ result");
2915                        return;
2916                    }
2917                    join(conversation);
2918                }
2919
2920                @Override
2921                public void onFetchFailed(final Conversation conversation, final String errorCondition) {
2922                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2923                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": conversation (" + conversation.getJid() + ") got archived before IQ result");
2924                        return;
2925                    }
2926                    if ("remote-server-not-found".equals(errorCondition)) {
2927                        synchronized (account.inProgressConferenceJoins) {
2928                            account.inProgressConferenceJoins.remove(conversation);
2929                        }
2930                        conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
2931                        updateConversationUi();
2932                    } else {
2933                        join(conversation);
2934                        fetchConferenceConfiguration(conversation);
2935                    }
2936                }
2937            });
2938            updateConversationUi();
2939        } else {
2940            synchronized (account.pendingConferenceJoins) {
2941                account.pendingConferenceJoins.add(conversation);
2942            }
2943            conversation.resetMucOptions();
2944            conversation.setHasMessagesLeftOnServer(false);
2945            updateConversationUi();
2946        }
2947    }
2948
2949    private void fetchConferenceMembers(final Conversation conversation) {
2950        final Account account = conversation.getAccount();
2951        final AxolotlService axolotlService = account.getAxolotlService();
2952        final String[] affiliations = {"member", "admin", "owner"};
2953        OnIqPacketReceived callback = new OnIqPacketReceived() {
2954
2955            private int i = 0;
2956            private boolean success = true;
2957
2958            @Override
2959            public void onIqPacketReceived(Account account, IqPacket packet) {
2960                final boolean omemoEnabled = conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL;
2961                Element query = packet.query("http://jabber.org/protocol/muc#admin");
2962                if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2963                    for (Element child : query.getChildren()) {
2964                        if ("item".equals(child.getName())) {
2965                            MucOptions.User user = AbstractParser.parseItem(conversation, child);
2966                            if (!user.realJidMatchesAccount()) {
2967                                boolean isNew = conversation.getMucOptions().updateUser(user);
2968                                Contact contact = user.getContact();
2969                                if (omemoEnabled
2970                                        && isNew
2971                                        && user.getRealJid() != null
2972                                        && (contact == null || !contact.mutualPresenceSubscription())
2973                                        && axolotlService.hasEmptyDeviceList(user.getRealJid())) {
2974                                    axolotlService.fetchDeviceIds(user.getRealJid());
2975                                }
2976                            }
2977                        }
2978                    }
2979                } else {
2980                    success = false;
2981                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not request affiliation " + affiliations[i] + " in " + conversation.getJid().asBareJid());
2982                }
2983                ++i;
2984                if (i >= affiliations.length) {
2985                    List<Jid> members = conversation.getMucOptions().getMembers(true);
2986                    if (success) {
2987                        List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
2988                        boolean changed = false;
2989                        for (ListIterator<Jid> iterator = cryptoTargets.listIterator(); iterator.hasNext(); ) {
2990                            Jid jid = iterator.next();
2991                            if (!members.contains(jid) && !members.contains(jid.getDomain())) {
2992                                iterator.remove();
2993                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
2994                                changed = true;
2995                            }
2996                        }
2997                        if (changed) {
2998                            conversation.setAcceptedCryptoTargets(cryptoTargets);
2999                            updateConversation(conversation);
3000                        }
3001                    }
3002                    getAvatarService().clear(conversation);
3003                    updateMucRosterUi();
3004                    updateConversationUi();
3005                }
3006            }
3007        };
3008        for (String affiliation : affiliations) {
3009            sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
3010        }
3011        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching members for " + conversation.getName());
3012    }
3013
3014    public void providePasswordForMuc(Conversation conversation, String password) {
3015        if (conversation.getMode() == Conversation.MODE_MULTI) {
3016            conversation.getMucOptions().setPassword(password);
3017            if (conversation.getBookmark() != null) {
3018                final Bookmark bookmark = conversation.getBookmark();
3019                if (synchronizeWithBookmarks()) {
3020                    bookmark.setAutojoin(true);
3021                }
3022                createBookmark(conversation.getAccount(), bookmark);
3023            }
3024            updateConversation(conversation);
3025            joinMuc(conversation);
3026        }
3027    }
3028
3029    public void deleteAvatar(final Account account) {
3030        final AtomicBoolean executed = new AtomicBoolean(false);
3031        final Runnable onDeleted =
3032                () -> {
3033                    if (executed.compareAndSet(false, true)) {
3034                        account.setAvatar(null);
3035                        databaseBackend.updateAccount(account);
3036                        getAvatarService().clear(account);
3037                        updateAccountUi();
3038                    }
3039                };
3040        deleteVcardAvatar(account, onDeleted);
3041        deletePepNode(account, Namespace.AVATAR_DATA);
3042        deletePepNode(account, Namespace.AVATAR_METADATA, onDeleted);
3043    }
3044
3045    public void deletePepNode(final Account account, final String node) {
3046        deletePepNode(account, node, null);
3047    }
3048
3049    private void deletePepNode(final Account account, final String node, final Runnable runnable) {
3050        final IqPacket request = mIqGenerator.deleteNode(node);
3051        sendIqPacket(account, request, (a, packet) -> {
3052            if (packet.getType() == IqPacket.TYPE.RESULT) {
3053                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": successfully deleted pep node "+node);
3054                if (runnable != null) {
3055                    runnable.run();
3056                }
3057            } else {
3058                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": failed to delete "+ packet);
3059            }
3060        });
3061    }
3062
3063    private void deleteVcardAvatar(final Account account, @NonNull final Runnable runnable) {
3064        final IqPacket retrieveVcard = mIqGenerator.retrieveVcardAvatar(account.getJid().asBareJid());
3065        sendIqPacket(account, retrieveVcard, (a, response) -> {
3066            if (response.getType() != IqPacket.TYPE.RESULT) {
3067                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": no vCard set. nothing to do");
3068                return;
3069            }
3070            final Element vcard = response.findChild("vCard", "vcard-temp");
3071            if (vcard == null) {
3072                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": no vCard set. nothing to do");
3073                return;
3074            }
3075            Element photo = vcard.findChild("PHOTO");
3076            if (photo == null) {
3077                photo = vcard.addChild("PHOTO");
3078            }
3079            photo.clearChildren();
3080            IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
3081            publication.setTo(a.getJid().asBareJid());
3082            publication.addChild(vcard);
3083            sendIqPacket(account, publication, (a1, publicationResponse) -> {
3084                if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
3085                    Log.d(Config.LOGTAG,a1.getJid().asBareJid()+": successfully deleted vcard avatar");
3086                    runnable.run();
3087                } else {
3088                    Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getErrorCondition());
3089                }
3090            });
3091        });
3092    }
3093
3094    private boolean hasEnabledAccounts() {
3095        if (this.accounts == null) {
3096            return false;
3097        }
3098        for (Account account : this.accounts) {
3099            if (account.isEnabled()) {
3100                return true;
3101            }
3102        }
3103        return false;
3104    }
3105
3106
3107    public void getAttachments(final Conversation conversation, int limit, final OnMediaLoaded onMediaLoaded) {
3108        getAttachments(conversation.getAccount(), conversation.getJid().asBareJid(), limit, onMediaLoaded);
3109    }
3110
3111    public void getAttachments(final Account account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
3112        getAttachments(account.getUuid(), jid.asBareJid(), limit, onMediaLoaded);
3113    }
3114
3115
3116    public void getAttachments(final String account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
3117        new Thread(() -> onMediaLoaded.onMediaLoaded(fileBackend.convertToAttachments(databaseBackend.getRelativeFilePaths(account, jid, limit)))).start();
3118    }
3119
3120    public void persistSelfNick(MucOptions.User self) {
3121        final Conversation conversation = self.getConversation();
3122        final boolean tookProposedNickFromBookmark = conversation.getMucOptions().isTookProposedNickFromBookmark();
3123        Jid full = self.getFullJid();
3124        if (!full.equals(conversation.getJid())) {
3125            Log.d(Config.LOGTAG, "nick changed. updating");
3126            conversation.setContactJid(full);
3127            databaseBackend.updateConversation(conversation);
3128        }
3129
3130        final Bookmark bookmark = conversation.getBookmark();
3131        final String bookmarkedNick = bookmark == null ? null : bookmark.getNick();
3132        if (bookmark != null && (tookProposedNickFromBookmark || TextUtils.isEmpty(bookmarkedNick)) && !full.getResource().equals(bookmarkedNick)) {
3133            final Account account = conversation.getAccount();
3134            final String defaultNick = MucOptions.defaultNick(account);
3135            if (TextUtils.isEmpty(bookmarkedNick) && full.getResource().equals(defaultNick)) {
3136                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": do not overwrite empty bookmark nick with default nick for " + conversation.getJid().asBareJid());
3137                return;
3138            }
3139            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": persist nick '" + full.getResource() + "' into bookmark for " + conversation.getJid().asBareJid());
3140            bookmark.setNick(full.getResource());
3141            createBookmark(bookmark.getAccount(), bookmark);
3142        }
3143    }
3144
3145    public boolean renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
3146        final MucOptions options = conversation.getMucOptions();
3147        final Jid joinJid = options.createJoinJid(nick);
3148        if (joinJid == null) {
3149            return false;
3150        }
3151        if (options.online()) {
3152            Account account = conversation.getAccount();
3153            options.setOnRenameListener(new OnRenameListener() {
3154
3155                @Override
3156                public void onSuccess() {
3157                    callback.success(conversation);
3158                }
3159
3160                @Override
3161                public void onFailure() {
3162                    callback.error(R.string.nick_in_use, conversation);
3163                }
3164            });
3165
3166            final PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, options.nonanonymous());
3167            packet.setTo(joinJid);
3168            sendPresencePacket(account, packet);
3169        } else {
3170            conversation.setContactJid(joinJid);
3171            databaseBackend.updateConversation(conversation);
3172            if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
3173                Bookmark bookmark = conversation.getBookmark();
3174                if (bookmark != null) {
3175                    bookmark.setNick(nick);
3176                    createBookmark(bookmark.getAccount(), bookmark);
3177                }
3178                joinMuc(conversation);
3179            }
3180        }
3181        return true;
3182    }
3183
3184    public void leaveMuc(Conversation conversation) {
3185        leaveMuc(conversation, false);
3186    }
3187
3188    private void leaveMuc(Conversation conversation, boolean now) {
3189        final Account account = conversation.getAccount();
3190        synchronized (account.pendingConferenceJoins) {
3191            account.pendingConferenceJoins.remove(conversation);
3192        }
3193        synchronized (account.pendingConferenceLeaves) {
3194            account.pendingConferenceLeaves.remove(conversation);
3195        }
3196        if (account.getStatus() == Account.State.ONLINE || now) {
3197            sendPresencePacket(conversation.getAccount(), mPresenceGenerator.leave(conversation.getMucOptions()));
3198            conversation.getMucOptions().setOffline();
3199            Bookmark bookmark = conversation.getBookmark();
3200            if (bookmark != null) {
3201                bookmark.setConversation(null);
3202            }
3203            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": leaving muc " + conversation.getJid());
3204        } else {
3205            synchronized (account.pendingConferenceLeaves) {
3206                account.pendingConferenceLeaves.add(conversation);
3207            }
3208        }
3209    }
3210
3211    public String findConferenceServer(final Account account) {
3212        String server;
3213        if (account.getXmppConnection() != null) {
3214            server = account.getXmppConnection().getMucServer();
3215            if (server != null) {
3216                return server;
3217            }
3218        }
3219        for (Account other : getAccounts()) {
3220            if (other != account && other.getXmppConnection() != null) {
3221                server = other.getXmppConnection().getMucServer();
3222                if (server != null) {
3223                    return server;
3224                }
3225            }
3226        }
3227        return null;
3228    }
3229
3230
3231    public void createPublicChannel(final Account account, final String name, final Jid address, final UiCallback<Conversation> callback) {
3232        joinMuc(findOrCreateConversation(account, address, true, false, true), conversation -> {
3233            final Bundle configuration = IqGenerator.defaultChannelConfiguration();
3234            if (!TextUtils.isEmpty(name)) {
3235                configuration.putString("muc#roomconfig_roomname", name);
3236            }
3237            pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
3238                @Override
3239                public void onPushSucceeded() {
3240                    saveConversationAsBookmark(conversation, name);
3241                    callback.success(conversation);
3242                }
3243
3244                @Override
3245                public void onPushFailed() {
3246                    if (conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
3247                        callback.error(R.string.unable_to_set_channel_configuration, conversation);
3248                    } else {
3249                        callback.error(R.string.joined_an_existing_channel, conversation);
3250                    }
3251                }
3252            });
3253        });
3254    }
3255
3256    public boolean createAdhocConference(final Account account,
3257                                         final String name,
3258                                         final Iterable<Jid> jids,
3259                                         final UiCallback<Conversation> callback) {
3260        Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": creating adhoc conference with " + jids.toString());
3261        if (account.getStatus() == Account.State.ONLINE) {
3262            try {
3263                String server = findConferenceServer(account);
3264                if (server == null) {
3265                    if (callback != null) {
3266                        callback.error(R.string.no_conference_server_found, null);
3267                    }
3268                    return false;
3269                }
3270                final Jid jid = Jid.of(CryptoHelper.pronounceable(getRNG()), server, null);
3271                final Conversation conversation = findOrCreateConversation(account, jid, true, false, true);
3272                joinMuc(conversation, new OnConferenceJoined() {
3273                    @Override
3274                    public void onConferenceJoined(final Conversation conversation) {
3275                        final Bundle configuration = IqGenerator.defaultGroupChatConfiguration();
3276                        if (!TextUtils.isEmpty(name)) {
3277                            configuration.putString("muc#roomconfig_roomname", name);
3278                        }
3279                        pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
3280                            @Override
3281                            public void onPushSucceeded() {
3282                                for (Jid invite : jids) {
3283                                    invite(conversation, invite);
3284                                }
3285                                for (String resource : account.getSelfContact().getPresences().toResourceArray()) {
3286                                    Jid other = account.getJid().withResource(resource);
3287                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending direct invite to " + other);
3288                                    directInvite(conversation, other);
3289                                }
3290                                saveConversationAsBookmark(conversation, name);
3291                                if (callback != null) {
3292                                    callback.success(conversation);
3293                                }
3294                            }
3295
3296                            @Override
3297                            public void onPushFailed() {
3298                                archiveConversation(conversation);
3299                                if (callback != null) {
3300                                    callback.error(R.string.conference_creation_failed, conversation);
3301                                }
3302                            }
3303                        });
3304                    }
3305                });
3306                return true;
3307            } catch (IllegalArgumentException e) {
3308                if (callback != null) {
3309                    callback.error(R.string.conference_creation_failed, null);
3310                }
3311                return false;
3312            }
3313        } else {
3314            if (callback != null) {
3315                callback.error(R.string.not_connected_try_again, null);
3316            }
3317            return false;
3318        }
3319    }
3320
3321    public void fetchConferenceConfiguration(final Conversation conversation) {
3322        fetchConferenceConfiguration(conversation, null);
3323    }
3324
3325    public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
3326        IqPacket request = mIqGenerator.queryDiscoInfo(conversation.getJid().asBareJid());
3327        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3328            @Override
3329            public void onIqPacketReceived(Account account, IqPacket packet) {
3330                if (packet.getType() == IqPacket.TYPE.RESULT) {
3331                    final MucOptions mucOptions = conversation.getMucOptions();
3332                    final Bookmark bookmark = conversation.getBookmark();
3333                    final boolean sameBefore = StringUtils.equals(bookmark == null ? null : bookmark.getBookmarkName(), mucOptions.getName());
3334
3335                    if (mucOptions.updateConfiguration(new ServiceDiscoveryResult(packet))) {
3336                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": muc configuration changed for " + conversation.getJid().asBareJid());
3337                        updateConversation(conversation);
3338                    }
3339
3340                    if (bookmark != null && (sameBefore || bookmark.getBookmarkName() == null)) {
3341                        if (bookmark.setBookmarkName(StringUtils.nullOnEmpty(mucOptions.getName()))) {
3342                            createBookmark(account, bookmark);
3343                        }
3344                    }
3345
3346
3347                    if (callback != null) {
3348                        callback.onConferenceConfigurationFetched(conversation);
3349                    }
3350
3351
3352                    updateConversationUi();
3353                } else if (packet.getType() == IqPacket.TYPE.TIMEOUT) {
3354                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received timeout waiting for conference configuration fetch");
3355                } else {
3356                    if (callback != null) {
3357                        callback.onFetchFailed(conversation, packet.getErrorCondition());
3358                    }
3359                }
3360            }
3361        });
3362    }
3363
3364    public void pushNodeConfiguration(Account account, final String node, final Bundle options, final OnConfigurationPushed callback) {
3365        pushNodeConfiguration(account, account.getJid().asBareJid(), node, options, callback);
3366    }
3367
3368    public void pushNodeConfiguration(Account account, final Jid jid, final String node, final Bundle options, final OnConfigurationPushed callback) {
3369        Log.d(Config.LOGTAG, "pushing node configuration");
3370        sendIqPacket(account, mIqGenerator.requestPubsubConfiguration(jid, node), new OnIqPacketReceived() {
3371            @Override
3372            public void onIqPacketReceived(Account account, IqPacket packet) {
3373                if (packet.getType() == IqPacket.TYPE.RESULT) {
3374                    Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub#owner");
3375                    Element configuration = pubsub == null ? null : pubsub.findChild("configure");
3376                    Element x = configuration == null ? null : configuration.findChild("x", Namespace.DATA);
3377                    if (x != null) {
3378                        Data data = Data.parse(x);
3379                        data.submit(options);
3380                        sendIqPacket(account, mIqGenerator.publishPubsubConfiguration(jid, node, data), new OnIqPacketReceived() {
3381                            @Override
3382                            public void onIqPacketReceived(Account account, IqPacket packet) {
3383                                if (packet.getType() == IqPacket.TYPE.RESULT && callback != null) {
3384                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": successfully changed node configuration for node " + node);
3385                                    callback.onPushSucceeded();
3386                                } else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3387                                    callback.onPushFailed();
3388                                }
3389                            }
3390                        });
3391                    } else if (callback != null) {
3392                        callback.onPushFailed();
3393                    }
3394                } else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3395                    callback.onPushFailed();
3396                }
3397            }
3398        });
3399    }
3400
3401    public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConfigurationPushed callback) {
3402        if (options.getString("muc#roomconfig_whois", "moderators").equals("anyone")) {
3403            conversation.setAttribute("accept_non_anonymous", true);
3404            updateConversation(conversation);
3405        }
3406        if (options.containsKey("muc#roomconfig_moderatedroom")) {
3407            final boolean moderated = "1".equals(options.getString("muc#roomconfig_moderatedroom"));
3408            options.putString("members_by_default", moderated ? "0" : "1");
3409        }
3410        final IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3411        request.setTo(conversation.getJid().asBareJid());
3412        request.query("http://jabber.org/protocol/muc#owner");
3413        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3414            @Override
3415            public void onIqPacketReceived(Account account, IqPacket packet) {
3416                if (packet.getType() == IqPacket.TYPE.RESULT) {
3417                    final Data data = Data.parse(packet.query().findChild("x", Namespace.DATA));
3418                    data.submit(options);
3419                    final IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3420                    set.setTo(conversation.getJid().asBareJid());
3421                    set.query("http://jabber.org/protocol/muc#owner").addChild(data);
3422                    sendIqPacket(account, set, new OnIqPacketReceived() {
3423                        @Override
3424                        public void onIqPacketReceived(Account account, IqPacket packet) {
3425                            if (callback != null) {
3426                                if (packet.getType() == IqPacket.TYPE.RESULT) {
3427                                    callback.onPushSucceeded();
3428                                } else {
3429                                    callback.onPushFailed();
3430                                }
3431                            }
3432                        }
3433                    });
3434                } else {
3435                    if (callback != null) {
3436                        callback.onPushFailed();
3437                    }
3438                }
3439            }
3440        });
3441    }
3442
3443    public void pushSubjectToConference(final Conversation conference, final String subject) {
3444        MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, StringUtils.nullOnEmpty(subject));
3445        this.sendMessagePacket(conference.getAccount(), packet);
3446    }
3447
3448    public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
3449        final Jid jid = user.asBareJid();
3450        final IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
3451        sendIqPacket(conference.getAccount(), request, (account, response) -> {
3452            if (response.getType() == IqPacket.TYPE.RESULT) {
3453                conference.getMucOptions().changeAffiliation(jid, affiliation);
3454                getAvatarService().clear(conference);
3455                if (callback != null) {
3456                    callback.onAffiliationChangedSuccessful(jid);
3457                } else {
3458                    Log.d(Config.LOGTAG, "changed affiliation of " + user + " to " + affiliation);
3459                }
3460            } else if (callback != null) {
3461                callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
3462            } else {
3463                Log.d(Config.LOGTAG, "unable to change affiliation");
3464            }
3465        });
3466    }
3467
3468    public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role) {
3469        IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
3470        sendIqPacket(conference.getAccount(), request, (account, packet) -> {
3471            if (packet.getType() != IqPacket.TYPE.RESULT) {
3472                Log.d(Config.LOGTAG, account.getJid().asBareJid() + " unable to change role of " + nick);
3473            }
3474        });
3475    }
3476
3477    public void destroyRoom(final Conversation conversation, final OnRoomDestroy callback) {
3478        IqPacket request = new IqPacket(IqPacket.TYPE.SET);
3479        request.setTo(conversation.getJid().asBareJid());
3480        request.query("http://jabber.org/protocol/muc#owner").addChild("destroy");
3481        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3482            @Override
3483            public void onIqPacketReceived(Account account, IqPacket packet) {
3484                if (packet.getType() == IqPacket.TYPE.RESULT) {
3485                    if (callback != null) {
3486                        callback.onRoomDestroySucceeded();
3487                    }
3488                } else if (packet.getType() == IqPacket.TYPE.ERROR) {
3489                    if (callback != null) {
3490                        callback.onRoomDestroyFailed();
3491                    }
3492                }
3493            }
3494        });
3495    }
3496
3497    private void disconnect(Account account, boolean force) {
3498        if ((account.getStatus() == Account.State.ONLINE)
3499                || (account.getStatus() == Account.State.DISABLED)) {
3500            final XmppConnection connection = account.getXmppConnection();
3501            if (!force) {
3502                List<Conversation> conversations = getConversations();
3503                for (Conversation conversation : conversations) {
3504                    if (conversation.getAccount() == account) {
3505                        if (conversation.getMode() == Conversation.MODE_MULTI) {
3506                            leaveMuc(conversation, true);
3507                        }
3508                    }
3509                }
3510                sendOfflinePresence(account);
3511            }
3512            connection.disconnect(force);
3513        }
3514    }
3515
3516    @Override
3517    public IBinder onBind(Intent intent) {
3518        return mBinder;
3519    }
3520
3521    public void updateMessage(Message message) {
3522        updateMessage(message, true);
3523    }
3524
3525    public void updateMessage(Message message, boolean includeBody) {
3526        databaseBackend.updateMessage(message, includeBody);
3527        updateConversationUi();
3528    }
3529
3530    public void createMessageAsync(final Message message) {
3531        mDatabaseWriterExecutor.execute(() -> databaseBackend.createMessage(message));
3532    }
3533
3534    public void updateMessage(Message message, String uuid) {
3535        if (!databaseBackend.updateMessage(message, uuid)) {
3536            Log.e(Config.LOGTAG, "error updated message in DB after edit");
3537        }
3538        updateConversationUi();
3539    }
3540
3541    protected void syncDirtyContacts(Account account) {
3542        for (Contact contact : account.getRoster().getContacts()) {
3543            if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
3544                pushContactToServer(contact);
3545            }
3546            if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
3547                deleteContactOnServer(contact);
3548            }
3549        }
3550    }
3551
3552    public void createContact(final Contact contact, final boolean autoGrant) {
3553        createContact(contact, autoGrant, null);
3554    }
3555
3556    public void createContact(final Contact contact, final boolean autoGrant, final String preAuth) {
3557        if (autoGrant) {
3558            contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
3559            contact.setOption(Contact.Options.ASKING);
3560        }
3561        pushContactToServer(contact, preAuth);
3562    }
3563
3564    public void pushContactToServer(final Contact contact) {
3565        pushContactToServer(contact, null);
3566    }
3567
3568    private void pushContactToServer(final Contact contact, final String preAuth) {
3569        contact.resetOption(Contact.Options.DIRTY_DELETE);
3570        contact.setOption(Contact.Options.DIRTY_PUSH);
3571        final Account account = contact.getAccount();
3572        if (account.getStatus() == Account.State.ONLINE) {
3573            final boolean ask = contact.getOption(Contact.Options.ASKING);
3574            final boolean sendUpdates = contact
3575                    .getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
3576                    && contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
3577            final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3578            iq.query(Namespace.ROSTER).addChild(contact.asElement());
3579            account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3580            if (sendUpdates) {
3581                sendPresencePacket(account, mPresenceGenerator.sendPresenceUpdatesTo(contact));
3582            }
3583            if (ask) {
3584                sendPresencePacket(account, mPresenceGenerator.requestPresenceUpdatesFrom(contact, preAuth));
3585            }
3586        } else {
3587            syncRoster(contact.getAccount());
3588        }
3589    }
3590
3591    public void publishMucAvatar(final Conversation conversation, final Uri image, final OnAvatarPublication callback) {
3592        new Thread(() -> {
3593            final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3594            final int size = Config.AVATAR_SIZE;
3595            final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3596            if (avatar != null) {
3597                if (!getFileBackend().save(avatar)) {
3598                    callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3599                    return;
3600                }
3601                avatar.owner = conversation.getJid().asBareJid();
3602                publishMucAvatar(conversation, avatar, callback);
3603            } else {
3604                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3605            }
3606        }).start();
3607    }
3608
3609    public void publishAvatar(final Account account, final Uri image, final OnAvatarPublication callback) {
3610        new Thread(() -> {
3611            final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3612            final int size = Config.AVATAR_SIZE;
3613            final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3614            if (avatar != null) {
3615                if (!getFileBackend().save(avatar)) {
3616                    Log.d(Config.LOGTAG, "unable to save vcard");
3617                    callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3618                    return;
3619                }
3620                publishAvatar(account, avatar, callback);
3621            } else {
3622                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3623            }
3624        }).start();
3625
3626    }
3627
3628    private void publishMucAvatar(Conversation conversation, Avatar avatar, OnAvatarPublication callback) {
3629        final IqPacket retrieve = mIqGenerator.retrieveVcardAvatar(avatar);
3630        sendIqPacket(conversation.getAccount(), retrieve, (account, response) -> {
3631            boolean itemNotFound = response.getType() == IqPacket.TYPE.ERROR && response.hasChild("error") && response.findChild("error").hasChild("item-not-found");
3632            if (response.getType() == IqPacket.TYPE.RESULT || itemNotFound) {
3633                Element vcard = response.findChild("vCard", "vcard-temp");
3634                if (vcard == null) {
3635                    vcard = new Element("vCard", "vcard-temp");
3636                }
3637                Element photo = vcard.findChild("PHOTO");
3638                if (photo == null) {
3639                    photo = vcard.addChild("PHOTO");
3640                }
3641                photo.clearChildren();
3642                photo.addChild("TYPE").setContent(avatar.type);
3643                photo.addChild("BINVAL").setContent(avatar.image);
3644                IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
3645                publication.setTo(conversation.getJid().asBareJid());
3646                publication.addChild(vcard);
3647                sendIqPacket(account, publication, (a1, publicationResponse) -> {
3648                    if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
3649                        callback.onAvatarPublicationSucceeded();
3650                    } else {
3651                        Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getErrorCondition());
3652                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3653                    }
3654                });
3655            } else {
3656                Log.d(Config.LOGTAG, "failed to request vcard " + response.toString());
3657                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_no_server_support);
3658            }
3659        });
3660    }
3661
3662    public void publishAvatar(Account account, final Avatar avatar, final OnAvatarPublication callback) {
3663        final Bundle options;
3664        if (account.getXmppConnection().getFeatures().pepPublishOptions()) {
3665            options = PublishOptions.openAccess();
3666        } else {
3667            options = null;
3668        }
3669        publishAvatar(account, avatar, options, true, callback);
3670    }
3671
3672    public void publishAvatar(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3673        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": publishing avatar. options=" + options);
3674        IqPacket packet = this.mIqGenerator.publishAvatar(avatar, options);
3675        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3676
3677            @Override
3678            public void onIqPacketReceived(Account account, IqPacket result) {
3679                if (result.getType() == IqPacket.TYPE.RESULT) {
3680                    publishAvatarMetadata(account, avatar, options, true, callback);
3681                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3682                    pushNodeConfiguration(account, Namespace.AVATAR_DATA, options, new OnConfigurationPushed() {
3683                        @Override
3684                        public void onPushSucceeded() {
3685                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": changed node configuration for avatar node");
3686                            publishAvatar(account, avatar, options, false, callback);
3687                        }
3688
3689                        @Override
3690                        public void onPushFailed() {
3691                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to change node configuration for avatar node");
3692                            publishAvatar(account, avatar, null, false, callback);
3693                        }
3694                    });
3695                } else {
3696                    Element error = result.findChild("error");
3697                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server rejected avatar " + (avatar.size / 1024) + "KiB " + (error != null ? error.toString() : ""));
3698                    if (callback != null) {
3699                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3700                    }
3701                }
3702            }
3703        });
3704    }
3705
3706    public void publishAvatarMetadata(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3707        final IqPacket packet = XmppConnectionService.this.mIqGenerator.publishAvatarMetadata(avatar, options);
3708        sendIqPacket(account, packet, new OnIqPacketReceived() {
3709            @Override
3710            public void onIqPacketReceived(Account account, IqPacket result) {
3711                if (result.getType() == IqPacket.TYPE.RESULT) {
3712                    if (account.setAvatar(avatar.getFilename())) {
3713                        getAvatarService().clear(account);
3714                        databaseBackend.updateAccount(account);
3715                        notifyAccountAvatarHasChanged(account);
3716                    }
3717                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": published avatar " + (avatar.size / 1024) + "KiB");
3718                    if (callback != null) {
3719                        callback.onAvatarPublicationSucceeded();
3720                    }
3721                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3722                    pushNodeConfiguration(account, Namespace.AVATAR_METADATA, options, new OnConfigurationPushed() {
3723                        @Override
3724                        public void onPushSucceeded() {
3725                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": changed node configuration for avatar meta data node");
3726                            publishAvatarMetadata(account, avatar, options, false, callback);
3727                        }
3728
3729                        @Override
3730                        public void onPushFailed() {
3731                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to change node configuration for avatar meta data node");
3732                            publishAvatarMetadata(account, avatar, null, false, callback);
3733                        }
3734                    });
3735                } else {
3736                    if (callback != null) {
3737                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3738                    }
3739                }
3740            }
3741        });
3742    }
3743
3744    public void republishAvatarIfNeeded(Account account) {
3745        if (account.getAxolotlService().isPepBroken()) {
3746            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping republication of avatar because pep is broken");
3747            return;
3748        }
3749        IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3750        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3751
3752            private Avatar parseAvatar(IqPacket packet) {
3753                Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3754                if (pubsub != null) {
3755                    Element items = pubsub.findChild("items");
3756                    if (items != null) {
3757                        return Avatar.parseMetadata(items);
3758                    }
3759                }
3760                return null;
3761            }
3762
3763            private boolean errorIsItemNotFound(IqPacket packet) {
3764                Element error = packet.findChild("error");
3765                return packet.getType() == IqPacket.TYPE.ERROR
3766                        && error != null
3767                        && error.hasChild("item-not-found");
3768            }
3769
3770            @Override
3771            public void onIqPacketReceived(Account account, IqPacket packet) {
3772                if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
3773                    Avatar serverAvatar = parseAvatar(packet);
3774                    if (serverAvatar == null && account.getAvatar() != null) {
3775                        Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
3776                        if (avatar != null) {
3777                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar on server was null. republishing");
3778                            publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
3779                        } else {
3780                            Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": error rereading avatar");
3781                        }
3782                    }
3783                }
3784            }
3785        });
3786    }
3787
3788    public void fetchAvatar(Account account, Avatar avatar) {
3789        fetchAvatar(account, avatar, null);
3790    }
3791
3792    public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3793        final String KEY = generateFetchKey(account, avatar);
3794        synchronized (this.mInProgressAvatarFetches) {
3795            if (mInProgressAvatarFetches.add(KEY)) {
3796                switch (avatar.origin) {
3797                    case PEP:
3798                        this.mInProgressAvatarFetches.add(KEY);
3799                        fetchAvatarPep(account, avatar, callback);
3800                        break;
3801                    case VCARD:
3802                        this.mInProgressAvatarFetches.add(KEY);
3803                        fetchAvatarVcard(account, avatar, callback);
3804                        break;
3805                }
3806            } else if (avatar.origin == Avatar.Origin.PEP) {
3807                mOmittedPepAvatarFetches.add(KEY);
3808            } else {
3809                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": already fetching " + avatar.origin + " avatar for " + avatar.owner);
3810            }
3811        }
3812    }
3813
3814    private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3815        IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
3816        sendIqPacket(account, packet, (a, result) -> {
3817            synchronized (mInProgressAvatarFetches) {
3818                mInProgressAvatarFetches.remove(generateFetchKey(a, avatar));
3819            }
3820            final String ERROR = a.getJid().asBareJid() + ": fetching avatar for " + avatar.owner + " failed ";
3821            if (result.getType() == IqPacket.TYPE.RESULT) {
3822                avatar.image = mIqParser.avatarData(result);
3823                if (avatar.image != null) {
3824                    if (getFileBackend().save(avatar)) {
3825                        if (a.getJid().asBareJid().equals(avatar.owner)) {
3826                            if (a.setAvatar(avatar.getFilename())) {
3827                                databaseBackend.updateAccount(a);
3828                            }
3829                            getAvatarService().clear(a);
3830                            updateConversationUi();
3831                            updateAccountUi();
3832                        } else {
3833                            final Contact contact = a.getRoster().getContact(avatar.owner);
3834                            contact.setAvatar(avatar);
3835                            syncRoster(account);
3836                            getAvatarService().clear(contact);
3837                            updateConversationUi();
3838                            updateRosterUi();
3839                        }
3840                        if (callback != null) {
3841                            callback.success(avatar);
3842                        }
3843                        Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": successfully fetched pep avatar for " + avatar.owner);
3844                        return;
3845                    }
3846                } else {
3847
3848                    Log.d(Config.LOGTAG, ERROR + "(parsing error)");
3849                }
3850            } else {
3851                Element error = result.findChild("error");
3852                if (error == null) {
3853                    Log.d(Config.LOGTAG, ERROR + "(server error)");
3854                } else {
3855                    Log.d(Config.LOGTAG, ERROR + error.toString());
3856                }
3857            }
3858            if (callback != null) {
3859                callback.error(0, null);
3860            }
3861
3862        });
3863    }
3864
3865    private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3866        IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
3867        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3868            @Override
3869            public void onIqPacketReceived(Account account, IqPacket packet) {
3870                final boolean previouslyOmittedPepFetch;
3871                synchronized (mInProgressAvatarFetches) {
3872                    final String KEY = generateFetchKey(account, avatar);
3873                    mInProgressAvatarFetches.remove(KEY);
3874                    previouslyOmittedPepFetch = mOmittedPepAvatarFetches.remove(KEY);
3875                }
3876                if (packet.getType() == IqPacket.TYPE.RESULT) {
3877                    Element vCard = packet.findChild("vCard", "vcard-temp");
3878                    Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
3879                    String image = photo != null ? photo.findChildContent("BINVAL") : null;
3880                    if (image != null) {
3881                        avatar.image = image;
3882                        if (getFileBackend().save(avatar)) {
3883                            Log.d(Config.LOGTAG, account.getJid().asBareJid()
3884                                    + ": successfully fetched vCard avatar for " + avatar.owner + " omittedPep=" + previouslyOmittedPepFetch);
3885                            if (avatar.owner.isBareJid()) {
3886                                if (account.getJid().asBareJid().equals(avatar.owner) && account.getAvatar() == null) {
3887                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": had no avatar. replacing with vcard");
3888                                    account.setAvatar(avatar.getFilename());
3889                                    databaseBackend.updateAccount(account);
3890                                    getAvatarService().clear(account);
3891                                    updateAccountUi();
3892                                } else {
3893                                    final Contact contact = account.getRoster().getContact(avatar.owner);
3894                                    contact.setAvatar(avatar, previouslyOmittedPepFetch);
3895                                    syncRoster(account);
3896                                    getAvatarService().clear(contact);
3897                                    updateRosterUi();
3898                                }
3899                                updateConversationUi();
3900                            } else {
3901                                Conversation conversation = find(account, avatar.owner.asBareJid());
3902                                if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
3903                                    MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
3904                                    if (user != null) {
3905                                        if (user.setAvatar(avatar)) {
3906                                            getAvatarService().clear(user);
3907                                            updateConversationUi();
3908                                            updateMucRosterUi();
3909                                        }
3910                                        if (user.getRealJid() != null) {
3911                                            Contact contact = account.getRoster().getContact(user.getRealJid());
3912                                            contact.setAvatar(avatar);
3913                                            syncRoster(account);
3914                                            getAvatarService().clear(contact);
3915                                            updateRosterUi();
3916                                        }
3917                                    }
3918                                }
3919                            }
3920                        }
3921                    }
3922                }
3923            }
3924        });
3925    }
3926
3927    public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
3928        IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3929        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3930
3931            @Override
3932            public void onIqPacketReceived(Account account, IqPacket packet) {
3933                if (packet.getType() == IqPacket.TYPE.RESULT) {
3934                    Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3935                    if (pubsub != null) {
3936                        Element items = pubsub.findChild("items");
3937                        if (items != null) {
3938                            Avatar avatar = Avatar.parseMetadata(items);
3939                            if (avatar != null) {
3940                                avatar.owner = account.getJid().asBareJid();
3941                                if (fileBackend.isAvatarCached(avatar)) {
3942                                    if (account.setAvatar(avatar.getFilename())) {
3943                                        databaseBackend.updateAccount(account);
3944                                    }
3945                                    getAvatarService().clear(account);
3946                                    callback.success(avatar);
3947                                } else {
3948                                    fetchAvatarPep(account, avatar, callback);
3949                                }
3950                                return;
3951                            }
3952                        }
3953                    }
3954                }
3955                callback.error(0, null);
3956            }
3957        });
3958    }
3959
3960    public void notifyAccountAvatarHasChanged(final Account account) {
3961        final XmppConnection connection = account.getXmppConnection();
3962        if (connection != null && connection.getFeatures().bookmarksConversion()) {
3963            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar changed. resending presence to online group chats");
3964            for (Conversation conversation : conversations) {
3965                if (conversation.getAccount() == account && conversation.getMode() == Conversational.MODE_MULTI) {
3966                    final MucOptions mucOptions = conversation.getMucOptions();
3967                    if (mucOptions.online()) {
3968                        PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous());
3969                        packet.setTo(mucOptions.getSelf().getFullJid());
3970                        connection.sendPresencePacket(packet);
3971                    }
3972                }
3973            }
3974        }
3975    }
3976
3977    public void deleteContactOnServer(Contact contact) {
3978        contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
3979        contact.resetOption(Contact.Options.DIRTY_PUSH);
3980        contact.setOption(Contact.Options.DIRTY_DELETE);
3981        Account account = contact.getAccount();
3982        if (account.getStatus() == Account.State.ONLINE) {
3983            IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3984            Element item = iq.query(Namespace.ROSTER).addChild("item");
3985            item.setAttribute("jid", contact.getJid());
3986            item.setAttribute("subscription", "remove");
3987            account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3988        }
3989    }
3990
3991    public void updateConversation(final Conversation conversation) {
3992        mDatabaseWriterExecutor.execute(() -> databaseBackend.updateConversation(conversation));
3993    }
3994
3995    private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
3996        synchronized (account) {
3997            XmppConnection connection = account.getXmppConnection();
3998            if (connection == null) {
3999                connection = createConnection(account);
4000                account.setXmppConnection(connection);
4001            }
4002            boolean hasInternet = hasInternetConnection();
4003            if (account.isEnabled() && hasInternet) {
4004                if (!force) {
4005                    disconnect(account, false);
4006                }
4007                Thread thread = new Thread(connection);
4008                connection.setInteractive(interactive);
4009                connection.prepareNewConnection();
4010                connection.interrupt();
4011                thread.start();
4012                scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
4013            } else {
4014                disconnect(account, force || account.getTrueStatus().isError() || !hasInternet);
4015                account.getRoster().clearPresences();
4016                connection.resetEverything();
4017                final AxolotlService axolotlService = account.getAxolotlService();
4018                if (axolotlService != null) {
4019                    axolotlService.resetBrokenness();
4020                }
4021                if (!hasInternet) {
4022                    account.setStatus(Account.State.NO_INTERNET);
4023                }
4024            }
4025        }
4026    }
4027
4028    public void reconnectAccountInBackground(final Account account) {
4029        new Thread(() -> reconnectAccount(account, false, true)).start();
4030    }
4031
4032    public void invite(final Conversation conversation, final Jid contact) {
4033        Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": inviting " + contact + " to " + conversation.getJid().asBareJid());
4034        final MucOptions.User user = conversation.getMucOptions().findUserByRealJid(contact.asBareJid());
4035        if (user == null || user.getAffiliation() == MucOptions.Affiliation.OUTCAST) {
4036            changeAffiliationInConference(conversation, contact, MucOptions.Affiliation.NONE, null);
4037        }
4038        final MessagePacket packet = mMessageGenerator.invite(conversation, contact);
4039        sendMessagePacket(conversation.getAccount(), packet);
4040    }
4041
4042    public void directInvite(Conversation conversation, Jid jid) {
4043        MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
4044        sendMessagePacket(conversation.getAccount(), packet);
4045    }
4046
4047    public void resetSendingToWaiting(Account account) {
4048        for (Conversation conversation : getConversations()) {
4049            if (conversation.getAccount() == account) {
4050                conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
4051            }
4052        }
4053    }
4054
4055    public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
4056        return markMessage(account, recipient, uuid, status, null);
4057    }
4058
4059    public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
4060        if (uuid == null) {
4061            return null;
4062        }
4063        for (Conversation conversation : getConversations()) {
4064            if (conversation.getJid().asBareJid().equals(recipient) && conversation.getAccount() == account) {
4065                final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
4066                if (message != null) {
4067                    markMessage(message, status, errorMessage);
4068                }
4069                return message;
4070            }
4071        }
4072        return null;
4073    }
4074
4075    public boolean markMessage(final Conversation conversation, final String uuid, final int status, final String serverMessageId) {
4076        return markMessage(conversation, uuid, status, serverMessageId, null);
4077    }
4078
4079    public boolean markMessage(final Conversation conversation, final String uuid, final int status, final String serverMessageId, final LocalizedContent body) {
4080        if (uuid == null) {
4081            return false;
4082        } else {
4083            final Message message = conversation.findSentMessageWithUuid(uuid);
4084            if (message != null) {
4085                if (message.getServerMsgId() == null) {
4086                    message.setServerMsgId(serverMessageId);
4087                }
4088                if (message.getEncryption() == Message.ENCRYPTION_NONE
4089                        && message.isTypeText()
4090                        && isBodyModified(message, body)) {
4091                    message.setBody(body.content);
4092                    if (body.count > 1) {
4093                        message.setBodyLanguage(body.language);
4094                    }
4095                    markMessage(message, status, null, true);
4096                } else {
4097                    markMessage(message, status);
4098                }
4099                return true;
4100            } else {
4101                return false;
4102            }
4103        }
4104    }
4105
4106    private static boolean isBodyModified(final Message message, final LocalizedContent body) {
4107        if (body == null || body.content == null) {
4108            return false;
4109        }
4110        return !body.content.equals(message.getBody());
4111    }
4112
4113    public void markMessage(Message message, int status) {
4114        markMessage(message, status, null);
4115    }
4116
4117
4118    public void markMessage(final Message message, final int status, final String errorMessage) {
4119        markMessage(message, status, errorMessage, false);
4120    }
4121
4122    public void markMessage(final Message message, final int status, final String errorMessage, final boolean includeBody) {
4123        final int oldStatus = message.getStatus();
4124        if (status == Message.STATUS_SEND_FAILED && (oldStatus == Message.STATUS_SEND_RECEIVED || oldStatus == Message.STATUS_SEND_DISPLAYED)) {
4125            return;
4126        }
4127        if (status == Message.STATUS_SEND_RECEIVED && oldStatus == Message.STATUS_SEND_DISPLAYED) {
4128            return;
4129        }
4130        message.setErrorMessage(errorMessage);
4131        message.setStatus(status);
4132        databaseBackend.updateMessage(message, includeBody);
4133        updateConversationUi();
4134        if (oldStatus != status && status == Message.STATUS_SEND_FAILED) {
4135            mNotificationService.pushFailedDelivery(message);
4136        }
4137    }
4138
4139    private SharedPreferences getPreferences() {
4140        return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
4141    }
4142
4143    public long getAutomaticMessageDeletionDate() {
4144        final long timeout = getLongPreference(SettingsActivity.AUTOMATIC_MESSAGE_DELETION, R.integer.automatic_message_deletion);
4145        return timeout == 0 ? timeout : (System.currentTimeMillis() - (timeout * 1000));
4146    }
4147
4148    public long getLongPreference(String name, @IntegerRes int res) {
4149        long defaultValue = getResources().getInteger(res);
4150        try {
4151            return Long.parseLong(getPreferences().getString(name, String.valueOf(defaultValue)));
4152        } catch (NumberFormatException e) {
4153            return defaultValue;
4154        }
4155    }
4156
4157    public boolean getBooleanPreference(String name, @BoolRes int res) {
4158        return getPreferences().getBoolean(name, getResources().getBoolean(res));
4159    }
4160
4161    public boolean confirmMessages() {
4162        return getBooleanPreference("confirm_messages", R.bool.confirm_messages);
4163    }
4164
4165    public boolean allowMessageCorrection() {
4166        return getBooleanPreference("allow_message_correction", R.bool.allow_message_correction);
4167    }
4168
4169    public boolean sendChatStates() {
4170        return getBooleanPreference("chat_states", R.bool.chat_states);
4171    }
4172
4173    private boolean synchronizeWithBookmarks() {
4174        return getBooleanPreference("autojoin", R.bool.autojoin);
4175    }
4176
4177    public boolean useTorToConnect() {
4178        return QuickConversationsService.isConversations() && getBooleanPreference("use_tor", R.bool.use_tor);
4179    }
4180
4181    public boolean showExtendedConnectionOptions() {
4182        return QuickConversationsService.isConversations() && getBooleanPreference("show_connection_options", R.bool.show_connection_options);
4183    }
4184
4185    public boolean broadcastLastActivity() {
4186        return getBooleanPreference(SettingsActivity.BROADCAST_LAST_ACTIVITY, R.bool.last_activity);
4187    }
4188
4189    public int unreadCount() {
4190        int count = 0;
4191        for (Conversation conversation : getConversations()) {
4192            count += conversation.unreadCount();
4193        }
4194        return count;
4195    }
4196
4197
4198    private <T> List<T> threadSafeList(Set<T> set) {
4199        synchronized (LISTENER_LOCK) {
4200            return set.size() == 0 ? Collections.emptyList() : new ArrayList<>(set);
4201        }
4202    }
4203
4204    public void showErrorToastInUi(int resId) {
4205        for (OnShowErrorToast listener : threadSafeList(this.mOnShowErrorToasts)) {
4206            listener.onShowErrorToast(resId);
4207        }
4208    }
4209
4210    public void updateConversationUi() {
4211        for (OnConversationUpdate listener : threadSafeList(this.mOnConversationUpdates)) {
4212            listener.onConversationUpdate();
4213        }
4214    }
4215
4216    public void notifyJingleRtpConnectionUpdate(final Account account, final Jid with, final String sessionId, final RtpEndUserState state) {
4217        for (OnJingleRtpConnectionUpdate listener : threadSafeList(this.onJingleRtpConnectionUpdate)) {
4218            listener.onJingleRtpConnectionUpdate(account, with, sessionId, state);
4219        }
4220    }
4221
4222    public void notifyJingleRtpConnectionUpdate(AppRTCAudioManager.AudioDevice selectedAudioDevice, Set<AppRTCAudioManager.AudioDevice> availableAudioDevices) {
4223        for (OnJingleRtpConnectionUpdate listener : threadSafeList(this.onJingleRtpConnectionUpdate)) {
4224            listener.onAudioDeviceChanged(selectedAudioDevice, availableAudioDevices);
4225        }
4226    }
4227
4228    public void updateAccountUi() {
4229        for (final OnAccountUpdate listener : threadSafeList(this.mOnAccountUpdates)) {
4230            listener.onAccountUpdate();
4231        }
4232    }
4233
4234    public void updateRosterUi() {
4235        for (OnRosterUpdate listener : threadSafeList(this.mOnRosterUpdates)) {
4236            listener.onRosterUpdate();
4237        }
4238    }
4239
4240    public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
4241        if (mOnCaptchaRequested.size() > 0) {
4242            DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
4243            Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
4244                    (int) (captcha.getHeight() * metrics.scaledDensity), false);
4245            for (OnCaptchaRequested listener : threadSafeList(this.mOnCaptchaRequested)) {
4246                listener.onCaptchaRequested(account, id, data, scaled);
4247            }
4248            return true;
4249        }
4250        return false;
4251    }
4252
4253    public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
4254        for (OnUpdateBlocklist listener : threadSafeList(this.mOnUpdateBlocklist)) {
4255            listener.OnUpdateBlocklist(status);
4256        }
4257    }
4258
4259    public void updateMucRosterUi() {
4260        for (OnMucRosterUpdate listener : threadSafeList(this.mOnMucRosterUpdate)) {
4261            listener.onMucRosterUpdate();
4262        }
4263    }
4264
4265    public void keyStatusUpdated(AxolotlService.FetchStatus report) {
4266        for (OnKeyStatusUpdated listener : threadSafeList(this.mOnKeyStatusUpdated)) {
4267            listener.onKeyStatusUpdated(report);
4268        }
4269    }
4270
4271    public Account findAccountByJid(final Jid jid) {
4272        for (final Account account : this.accounts) {
4273            if (account.getJid().asBareJid().equals(jid.asBareJid())) {
4274                return account;
4275            }
4276        }
4277        return null;
4278    }
4279
4280    public Account findAccountByUuid(final String uuid) {
4281        for (Account account : this.accounts) {
4282            if (account.getUuid().equals(uuid)) {
4283                return account;
4284            }
4285        }
4286        return null;
4287    }
4288
4289    public Conversation findConversationByUuid(String uuid) {
4290        for (Conversation conversation : getConversations()) {
4291            if (conversation.getUuid().equals(uuid)) {
4292                return conversation;
4293            }
4294        }
4295        return null;
4296    }
4297
4298    public Conversation findUniqueConversationByJid(XmppUri xmppUri) {
4299        List<Conversation> findings = new ArrayList<>();
4300        for (Conversation c : getConversations()) {
4301            if (c.getAccount().isEnabled() && c.getJid().asBareJid().equals(xmppUri.getJid()) && ((c.getMode() == Conversational.MODE_MULTI) == xmppUri.isAction(XmppUri.ACTION_JOIN))) {
4302                findings.add(c);
4303            }
4304        }
4305        return findings.size() == 1 ? findings.get(0) : null;
4306    }
4307
4308    public boolean markRead(final Conversation conversation, boolean dismiss) {
4309        return markRead(conversation, null, dismiss).size() > 0;
4310    }
4311
4312    public void markRead(final Conversation conversation) {
4313        markRead(conversation, null, true);
4314    }
4315
4316    public List<Message> markRead(final Conversation conversation, String upToUuid, boolean dismiss) {
4317        if (dismiss) {
4318            mNotificationService.clear(conversation);
4319        }
4320        final List<Message> readMessages = conversation.markRead(upToUuid);
4321        if (readMessages.size() > 0) {
4322            Runnable runnable = () -> {
4323                for (Message message : readMessages) {
4324                    databaseBackend.updateMessage(message, false);
4325                }
4326            };
4327            mDatabaseWriterExecutor.execute(runnable);
4328            updateConversationUi();
4329            updateUnreadCountBadge();
4330            return readMessages;
4331        } else {
4332            return readMessages;
4333        }
4334    }
4335
4336    public synchronized void updateUnreadCountBadge() {
4337        int count = unreadCount();
4338        if (unreadCount != count) {
4339            Log.d(Config.LOGTAG, "update unread count to " + count);
4340            if (count > 0) {
4341                ShortcutBadger.applyCount(getApplicationContext(), count);
4342            } else {
4343                ShortcutBadger.removeCount(getApplicationContext());
4344            }
4345            unreadCount = count;
4346        }
4347    }
4348
4349    public void sendReadMarker(final Conversation conversation, String upToUuid) {
4350        final boolean isPrivateAndNonAnonymousMuc = conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous();
4351        final List<Message> readMessages = this.markRead(conversation, upToUuid, true);
4352        if (readMessages.size() > 0) {
4353            updateConversationUi();
4354        }
4355        final Message markable = Conversation.getLatestMarkableMessage(readMessages, isPrivateAndNonAnonymousMuc);
4356        if (confirmMessages()
4357                && markable != null
4358                && (markable.trusted() || isPrivateAndNonAnonymousMuc)
4359                && markable.getRemoteMsgId() != null) {
4360            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
4361            final Account account = conversation.getAccount();
4362            final MessagePacket packet = mMessageGenerator.confirm(markable);
4363            this.sendMessagePacket(account, packet);
4364        }
4365    }
4366
4367    public SecureRandom getRNG() {
4368        return this.mRandom;
4369    }
4370
4371    public MemorizingTrustManager getMemorizingTrustManager() {
4372        return this.mMemorizingTrustManager;
4373    }
4374
4375    public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
4376        this.mMemorizingTrustManager = trustManager;
4377    }
4378
4379    public void updateMemorizingTrustmanager() {
4380        final MemorizingTrustManager tm;
4381        final boolean dontTrustSystemCAs = getBooleanPreference("dont_trust_system_cas", R.bool.dont_trust_system_cas);
4382        if (dontTrustSystemCAs) {
4383            tm = new MemorizingTrustManager(getApplicationContext(), null);
4384        } else {
4385            tm = new MemorizingTrustManager(getApplicationContext());
4386        }
4387        setMemorizingTrustManager(tm);
4388    }
4389
4390    public LruCache<String, Bitmap> getBitmapCache() {
4391        return this.mBitmapCache;
4392    }
4393
4394    public Collection<String> getKnownHosts() {
4395        final Set<String> hosts = new HashSet<>();
4396        for (final Account account : getAccounts()) {
4397            hosts.add(account.getServer());
4398            for (final Contact contact : account.getRoster().getContacts()) {
4399                if (contact.showInRoster()) {
4400                    final String server = contact.getServer();
4401                    if (server != null) {
4402                        hosts.add(server);
4403                    }
4404                }
4405            }
4406        }
4407        if (Config.QUICKSY_DOMAIN != null) {
4408            hosts.remove(Config.QUICKSY_DOMAIN.toEscapedString()); //we only want to show this when we type a e164 number
4409        }
4410        if (Config.DOMAIN_LOCK != null) {
4411            hosts.add(Config.DOMAIN_LOCK);
4412        }
4413        if (Config.MAGIC_CREATE_DOMAIN != null) {
4414            hosts.add(Config.MAGIC_CREATE_DOMAIN);
4415        }
4416        return hosts;
4417    }
4418
4419    public Collection<String> getKnownConferenceHosts() {
4420        final Set<String> mucServers = new HashSet<>();
4421        for (final Account account : accounts) {
4422            if (account.getXmppConnection() != null) {
4423                mucServers.addAll(account.getXmppConnection().getMucServers());
4424                for (Bookmark bookmark : account.getBookmarks()) {
4425                    final Jid jid = bookmark.getJid();
4426                    final String s = jid == null ? null : jid.getDomain().toEscapedString();
4427                    if (s != null) {
4428                        mucServers.add(s);
4429                    }
4430                }
4431            }
4432        }
4433        return mucServers;
4434    }
4435
4436    public void sendMessagePacket(Account account, MessagePacket packet) {
4437        final XmppConnection connection = account.getXmppConnection();
4438        if (connection != null) {
4439            connection.sendMessagePacket(packet);
4440        }
4441    }
4442
4443    public void sendPresencePacket(Account account, PresencePacket packet) {
4444        XmppConnection connection = account.getXmppConnection();
4445        if (connection != null) {
4446            connection.sendPresencePacket(packet);
4447        }
4448    }
4449
4450    public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
4451        final XmppConnection connection = account.getXmppConnection();
4452        if (connection != null) {
4453            IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
4454            connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener, true);
4455        }
4456    }
4457
4458    public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
4459        final XmppConnection connection = account.getXmppConnection();
4460        if (connection != null) {
4461            connection.sendIqPacket(packet, callback);
4462        } else if (callback != null) {
4463            callback.onIqPacketReceived(account, new IqPacket(IqPacket.TYPE.TIMEOUT));
4464        }
4465    }
4466
4467    public void sendPresence(final Account account) {
4468        sendPresence(account, checkListeners() && broadcastLastActivity());
4469    }
4470
4471    private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
4472        final Presence.Status status;
4473        if (manuallyChangePresence()) {
4474            status = account.getPresenceStatus();
4475        } else {
4476            status = getTargetPresence();
4477        }
4478        final PresencePacket packet = mPresenceGenerator.selfPresence(account, status);
4479        if (mLastActivity > 0 && includeIdleTimestamp) {
4480            long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
4481            packet.addChild("idle", Namespace.IDLE).setAttribute("since", AbstractGenerator.getTimestamp(since));
4482        }
4483        sendPresencePacket(account, packet);
4484    }
4485
4486    private void deactivateGracePeriod() {
4487        for (Account account : getAccounts()) {
4488            account.deactivateGracePeriod();
4489        }
4490    }
4491
4492    public void refreshAllPresences() {
4493        boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
4494        for (Account account : getAccounts()) {
4495            if (account.isEnabled()) {
4496                sendPresence(account, includeIdleTimestamp);
4497            }
4498        }
4499    }
4500
4501    private void refreshAllFcmTokens() {
4502        for (Account account : getAccounts()) {
4503            if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
4504                mPushManagementService.registerPushTokenOnServer(account);
4505                //TODO renew mucs
4506            }
4507        }
4508    }
4509
4510    private void sendOfflinePresence(final Account account) {
4511        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending offline presence");
4512        sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
4513    }
4514
4515    public MessageGenerator getMessageGenerator() {
4516        return this.mMessageGenerator;
4517    }
4518
4519    public PresenceGenerator getPresenceGenerator() {
4520        return this.mPresenceGenerator;
4521    }
4522
4523    public IqGenerator getIqGenerator() {
4524        return this.mIqGenerator;
4525    }
4526
4527    public IqParser getIqParser() {
4528        return this.mIqParser;
4529    }
4530
4531    public JingleConnectionManager getJingleConnectionManager() {
4532        return this.mJingleConnectionManager;
4533    }
4534
4535    public MessageArchiveService getMessageArchiveService() {
4536        return this.mMessageArchiveService;
4537    }
4538
4539    public QuickConversationsService getQuickConversationsService() {
4540        return this.mQuickConversationsService;
4541    }
4542
4543    public List<Contact> findContacts(Jid jid, String accountJid) {
4544        ArrayList<Contact> contacts = new ArrayList<>();
4545        for (Account account : getAccounts()) {
4546            if ((account.isEnabled() || accountJid != null)
4547                    && (accountJid == null || accountJid.equals(account.getJid().asBareJid().toString()))) {
4548                Contact contact = account.getRoster().getContactFromContactList(jid);
4549                if (contact != null) {
4550                    contacts.add(contact);
4551                }
4552            }
4553        }
4554        return contacts;
4555    }
4556
4557    public Conversation findFirstMuc(Jid jid) {
4558        for (Conversation conversation : getConversations()) {
4559            if (conversation.getAccount().isEnabled() && conversation.getJid().asBareJid().equals(jid.asBareJid()) && conversation.getMode() == Conversation.MODE_MULTI) {
4560                return conversation;
4561            }
4562        }
4563        return null;
4564    }
4565
4566    public NotificationService getNotificationService() {
4567        return this.mNotificationService;
4568    }
4569
4570    public HttpConnectionManager getHttpConnectionManager() {
4571        return this.mHttpConnectionManager;
4572    }
4573
4574    public void resendFailedMessages(final Message message) {
4575        final Collection<Message> messages = new ArrayList<>();
4576        Message current = message;
4577        while (current.getStatus() == Message.STATUS_SEND_FAILED) {
4578            messages.add(current);
4579            if (current.mergeable(current.next())) {
4580                current = current.next();
4581            } else {
4582                break;
4583            }
4584        }
4585        for (final Message msg : messages) {
4586            msg.setTime(System.currentTimeMillis());
4587            markMessage(msg, Message.STATUS_WAITING);
4588            this.resendMessage(msg, false);
4589        }
4590        if (message.getConversation() instanceof Conversation) {
4591            ((Conversation) message.getConversation()).sort();
4592        }
4593        updateConversationUi();
4594    }
4595
4596    public void clearConversationHistory(final Conversation conversation) {
4597        final long clearDate;
4598        final String reference;
4599        if (conversation.countMessages() > 0) {
4600            Message latestMessage = conversation.getLatestMessage();
4601            clearDate = latestMessage.getTimeSent() + 1000;
4602            reference = latestMessage.getServerMsgId();
4603        } else {
4604            clearDate = System.currentTimeMillis();
4605            reference = null;
4606        }
4607        conversation.clearMessages();
4608        conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
4609        conversation.setLastClearHistory(clearDate, reference);
4610        Runnable runnable = () -> {
4611            databaseBackend.deleteMessagesInConversation(conversation);
4612            databaseBackend.updateConversation(conversation);
4613        };
4614        mDatabaseWriterExecutor.execute(runnable);
4615    }
4616
4617    public boolean sendBlockRequest(final Blockable blockable, boolean reportSpam) {
4618        if (blockable != null && blockable.getBlockedJid() != null) {
4619            final Jid jid = blockable.getBlockedJid();
4620            this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), (a, response) -> {
4621                if (response.getType() == IqPacket.TYPE.RESULT) {
4622                    a.getBlocklist().add(jid);
4623                    updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
4624                }
4625            });
4626            if (blockable.getBlockedJid().isFullJid()) {
4627                return false;
4628            } else if (removeBlockedConversations(blockable.getAccount(), jid)) {
4629                updateConversationUi();
4630                return true;
4631            } else {
4632                return false;
4633            }
4634        } else {
4635            return false;
4636        }
4637    }
4638
4639    public boolean removeBlockedConversations(final Account account, final Jid blockedJid) {
4640        boolean removed = false;
4641        synchronized (this.conversations) {
4642            boolean domainJid = blockedJid.getLocal() == null;
4643            for (Conversation conversation : this.conversations) {
4644                boolean jidMatches = (domainJid && blockedJid.getDomain().equals(conversation.getJid().getDomain()))
4645                        || blockedJid.equals(conversation.getJid().asBareJid());
4646                if (conversation.getAccount() == account
4647                        && conversation.getMode() == Conversation.MODE_SINGLE
4648                        && jidMatches) {
4649                    this.conversations.remove(conversation);
4650                    markRead(conversation);
4651                    conversation.setStatus(Conversation.STATUS_ARCHIVED);
4652                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conversation " + conversation.getJid().asBareJid() + " because jid was blocked");
4653                    updateConversation(conversation);
4654                    removed = true;
4655                }
4656            }
4657        }
4658        return removed;
4659    }
4660
4661    public void sendUnblockRequest(final Blockable blockable) {
4662        if (blockable != null && blockable.getJid() != null) {
4663            final Jid jid = blockable.getBlockedJid();
4664            this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
4665                @Override
4666                public void onIqPacketReceived(final Account account, final IqPacket packet) {
4667                    if (packet.getType() == IqPacket.TYPE.RESULT) {
4668                        account.getBlocklist().remove(jid);
4669                        updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
4670                    }
4671                }
4672            });
4673        }
4674    }
4675
4676    public void publishDisplayName(Account account) {
4677        String displayName = account.getDisplayName();
4678        final IqPacket request;
4679        if (TextUtils.isEmpty(displayName)) {
4680            request = mIqGenerator.deleteNode(Namespace.NICK);
4681        } else {
4682            request = mIqGenerator.publishNick(displayName);
4683        }
4684        mAvatarService.clear(account);
4685        sendIqPacket(account, request, (account1, packet) -> {
4686            if (packet.getType() == IqPacket.TYPE.ERROR) {
4687                Log.d(Config.LOGTAG, account1.getJid().asBareJid() + ": unable to modify nick name " + packet.toString());
4688            }
4689        });
4690    }
4691
4692    public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
4693        ServiceDiscoveryResult result = discoCache.get(key);
4694        if (result != null) {
4695            return result;
4696        } else {
4697            result = databaseBackend.findDiscoveryResult(key.first, key.second);
4698            if (result != null) {
4699                discoCache.put(key, result);
4700            }
4701            return result;
4702        }
4703    }
4704
4705    public void fetchCaps(Account account, final Jid jid, final Presence presence) {
4706        final Pair<String, String> key = new Pair<>(presence.getHash(), presence.getVer());
4707        final ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
4708        if (disco != null) {
4709            presence.setServiceDiscoveryResult(disco);
4710            final Contact contact = account.getRoster().getContact(jid);
4711            if (contact.refreshRtpCapability()) {
4712                syncRoster(account);
4713            }
4714        } else {
4715            final IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4716            request.setTo(jid);
4717            final String node = presence.getNode();
4718            final String ver = presence.getVer();
4719            final Element query = request.query(Namespace.DISCO_INFO);
4720            if (node != null && ver != null) {
4721                query.setAttribute("node", node + "#" + ver);
4722            }
4723            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": making disco request for " + key.second + " to " + jid);
4724            sendIqPacket(account, request, (a, response) -> {
4725                if (response.getType() == IqPacket.TYPE.RESULT) {
4726                    final ServiceDiscoveryResult discoveryResult = new ServiceDiscoveryResult(response);
4727                    if (presence.getVer().equals(discoveryResult.getVer())) {
4728                        databaseBackend.insertDiscoveryResult(discoveryResult);
4729                        injectServiceDiscoveryResult(a.getRoster(), presence.getHash(), presence.getVer(), discoveryResult);
4730                    } else {
4731                        Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + discoveryResult.getVer());
4732                    }
4733                } else {
4734                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to fetch caps from " + jid);
4735                }
4736            });
4737        }
4738    }
4739
4740    private void injectServiceDiscoveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
4741        boolean rosterNeedsSync = false;
4742        for (final Contact contact : roster.getContacts()) {
4743            boolean serviceDiscoverySet = false;
4744            for (final Presence presence : contact.getPresences().getPresences()) {
4745                if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
4746                    presence.setServiceDiscoveryResult(disco);
4747                    serviceDiscoverySet = true;
4748                }
4749            }
4750            if (serviceDiscoverySet) {
4751                rosterNeedsSync |= contact.refreshRtpCapability();
4752            }
4753        }
4754        if (rosterNeedsSync) {
4755            syncRoster(roster.getAccount());
4756        }
4757    }
4758
4759    public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
4760        final MessageArchiveService.Version version = MessageArchiveService.Version.get(account);
4761        IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4762        request.addChild("prefs", version.namespace);
4763        sendIqPacket(account, request, (account1, packet) -> {
4764            Element prefs = packet.findChild("prefs", version.namespace);
4765            if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
4766                callback.onPreferencesFetched(prefs);
4767            } else {
4768                callback.onPreferencesFetchFailed();
4769            }
4770        });
4771    }
4772
4773    public PushManagementService getPushManagementService() {
4774        return mPushManagementService;
4775    }
4776
4777    public void changeStatus(Account account, PresenceTemplate template, String signature) {
4778        if (!template.getStatusMessage().isEmpty()) {
4779            databaseBackend.insertPresenceTemplate(template);
4780        }
4781        account.setPgpSignature(signature);
4782        account.setPresenceStatus(template.getStatus());
4783        account.setPresenceStatusMessage(template.getStatusMessage());
4784        databaseBackend.updateAccount(account);
4785        sendPresence(account);
4786    }
4787
4788    public List<PresenceTemplate> getPresenceTemplates(Account account) {
4789        List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
4790        for (PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
4791            if (!templates.contains(template)) {
4792                templates.add(0, template);
4793            }
4794        }
4795        return templates;
4796    }
4797
4798    public void saveConversationAsBookmark(Conversation conversation, String name) {
4799        final Account account = conversation.getAccount();
4800        final Bookmark bookmark = new Bookmark(account, conversation.getJid().asBareJid());
4801        final String nick = conversation.getJid().getResource();
4802        if (nick != null && !nick.isEmpty() && !nick.equals(MucOptions.defaultNick(account))) {
4803            bookmark.setNick(nick);
4804        }
4805        if (!TextUtils.isEmpty(name)) {
4806            bookmark.setBookmarkName(name);
4807        }
4808        bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
4809        createBookmark(account, bookmark);
4810        bookmark.setConversation(conversation);
4811    }
4812
4813    public boolean verifyFingerprints(Contact contact, List<XmppUri.Fingerprint> fingerprints) {
4814        boolean performedVerification = false;
4815        final AxolotlService axolotlService = contact.getAccount().getAxolotlService();
4816        for (XmppUri.Fingerprint fp : fingerprints) {
4817            if (fp.type == XmppUri.FingerprintType.OMEMO) {
4818                String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4819                FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4820                if (fingerprintStatus != null) {
4821                    if (!fingerprintStatus.isVerified()) {
4822                        performedVerification = true;
4823                        axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4824                    }
4825                } else {
4826                    axolotlService.preVerifyFingerprint(contact, fingerprint);
4827                }
4828            }
4829        }
4830        return performedVerification;
4831    }
4832
4833    public boolean verifyFingerprints(Account account, List<XmppUri.Fingerprint> fingerprints) {
4834        final AxolotlService axolotlService = account.getAxolotlService();
4835        boolean verifiedSomething = false;
4836        for (XmppUri.Fingerprint fp : fingerprints) {
4837            if (fp.type == XmppUri.FingerprintType.OMEMO) {
4838                String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4839                Log.d(Config.LOGTAG, "trying to verify own fp=" + fingerprint);
4840                FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4841                if (fingerprintStatus != null) {
4842                    if (!fingerprintStatus.isVerified()) {
4843                        axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4844                        verifiedSomething = true;
4845                    }
4846                } else {
4847                    axolotlService.preVerifyFingerprint(account, fingerprint);
4848                    verifiedSomething = true;
4849                }
4850            }
4851        }
4852        return verifiedSomething;
4853    }
4854
4855    public boolean blindTrustBeforeVerification() {
4856        return getBooleanPreference(SettingsActivity.BLIND_TRUST_BEFORE_VERIFICATION, R.bool.btbv);
4857    }
4858
4859    public ShortcutService getShortcutService() {
4860        return mShortcutService;
4861    }
4862
4863    public void pushMamPreferences(Account account, Element prefs) {
4864        IqPacket set = new IqPacket(IqPacket.TYPE.SET);
4865        set.addChild(prefs);
4866        sendIqPacket(account, set, null);
4867    }
4868
4869    public void evictPreview(String uuid) {
4870        if (mBitmapCache.remove(uuid) != null) {
4871            Log.d(Config.LOGTAG, "deleted cached preview");
4872        }
4873    }
4874
4875    public interface OnMamPreferencesFetched {
4876        void onPreferencesFetched(Element prefs);
4877
4878        void onPreferencesFetchFailed();
4879    }
4880
4881    public interface OnAccountCreated {
4882        void onAccountCreated(Account account);
4883
4884        void informUser(int r);
4885    }
4886
4887    public interface OnMoreMessagesLoaded {
4888        void onMoreMessagesLoaded(int count, Conversation conversation);
4889
4890        void informUser(int r);
4891    }
4892
4893    public interface OnAccountPasswordChanged {
4894        void onPasswordChangeSucceeded();
4895
4896        void onPasswordChangeFailed();
4897    }
4898
4899    public interface OnRoomDestroy {
4900        void onRoomDestroySucceeded();
4901
4902        void onRoomDestroyFailed();
4903    }
4904
4905    public interface OnAffiliationChanged {
4906        void onAffiliationChangedSuccessful(Jid jid);
4907
4908        void onAffiliationChangeFailed(Jid jid, int resId);
4909    }
4910
4911    public interface OnConversationUpdate {
4912        void onConversationUpdate();
4913    }
4914
4915    public interface OnJingleRtpConnectionUpdate {
4916        void onJingleRtpConnectionUpdate(final Account account, final Jid with, final String sessionId, final RtpEndUserState state);
4917
4918        void onAudioDeviceChanged(AppRTCAudioManager.AudioDevice selectedAudioDevice, Set<AppRTCAudioManager.AudioDevice> availableAudioDevices);
4919    }
4920
4921    public interface OnAccountUpdate {
4922        void onAccountUpdate();
4923    }
4924
4925    public interface OnCaptchaRequested {
4926        void onCaptchaRequested(Account account, String id, Data data, Bitmap captcha);
4927    }
4928
4929    public interface OnRosterUpdate {
4930        void onRosterUpdate();
4931    }
4932
4933    public interface OnMucRosterUpdate {
4934        void onMucRosterUpdate();
4935    }
4936
4937    public interface OnConferenceConfigurationFetched {
4938        void onConferenceConfigurationFetched(Conversation conversation);
4939
4940        void onFetchFailed(Conversation conversation, String errorCondition);
4941    }
4942
4943    public interface OnConferenceJoined {
4944        void onConferenceJoined(Conversation conversation);
4945    }
4946
4947    public interface OnConfigurationPushed {
4948        void onPushSucceeded();
4949
4950        void onPushFailed();
4951    }
4952
4953    public interface OnShowErrorToast {
4954        void onShowErrorToast(int resId);
4955    }
4956
4957    public class XmppConnectionBinder extends Binder {
4958        public XmppConnectionService getService() {
4959            return XmppConnectionService.this;
4960        }
4961    }
4962
4963    private class InternalEventReceiver extends BroadcastReceiver {
4964
4965        @Override
4966        public void onReceive(Context context, Intent intent) {
4967            onStartCommand(intent, 0, 0);
4968        }
4969    }
4970
4971    public static class OngoingCall {
4972        public final AbstractJingleConnection.Id id;
4973        public final Set<Media> media;
4974        public final boolean reconnecting;
4975
4976        public OngoingCall(AbstractJingleConnection.Id id, Set<Media> media, final boolean reconnecting) {
4977            this.id = id;
4978            this.media = media;
4979            this.reconnecting = reconnecting;
4980        }
4981
4982        @Override
4983        public boolean equals(Object o) {
4984            if (this == o) return true;
4985            if (o == null || getClass() != o.getClass()) return false;
4986            OngoingCall that = (OngoingCall) o;
4987            return reconnecting == that.reconnecting && Objects.equal(id, that.id) && Objects.equal(media, that.media);
4988        }
4989
4990        @Override
4991        public int hashCode() {
4992            return Objects.hashCode(id, media, reconnecting);
4993        }
4994    }
4995}