XmppConnectionService.java

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