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