XmppConnectionService.java

   1package eu.siacs.conversations.services;
   2
   3import static eu.siacs.conversations.utils.Compatibility.s;
   4import static eu.siacs.conversations.utils.Random.SECURE_RANDOM;
   5
   6import android.Manifest;
   7import android.annotation.SuppressLint;
   8import android.annotation.TargetApi;
   9import android.app.AlarmManager;
  10import android.app.KeyguardManager;
  11import android.app.Notification;
  12import android.app.NotificationManager;
  13import android.app.PendingIntent;
  14import android.app.Service;
  15import android.content.BroadcastReceiver;
  16import android.content.ComponentName;
  17import android.content.Context;
  18import android.content.Intent;
  19import android.content.IntentFilter;
  20import android.content.SharedPreferences;
  21import android.content.pm.PackageManager;
  22import android.database.ContentObserver;
  23import android.graphics.Bitmap;
  24import android.graphics.drawable.AnimatedImageDrawable;
  25import android.graphics.drawable.BitmapDrawable;
  26import android.graphics.drawable.Drawable;
  27import android.media.AudioManager;
  28import android.net.ConnectivityManager;
  29import android.net.Network;
  30import android.net.NetworkCapabilities;
  31import android.net.NetworkInfo;
  32import android.net.Uri;
  33import android.os.Binder;
  34import android.os.Build;
  35import android.os.Bundle;
  36import android.os.Environment;
  37import android.os.IBinder;
  38import android.os.Messenger;
  39import android.os.PowerManager;
  40import android.os.PowerManager.WakeLock;
  41import android.os.SystemClock;
  42import android.preference.PreferenceManager;
  43import android.provider.ContactsContract;
  44import android.provider.DocumentsContract;
  45import android.security.KeyChain;
  46import android.telephony.PhoneStateListener;
  47import android.telephony.TelephonyManager;
  48import android.text.TextUtils;
  49import android.util.DisplayMetrics;
  50import android.util.Log;
  51import android.util.LruCache;
  52import android.util.Pair;
  53
  54import androidx.annotation.BoolRes;
  55import androidx.annotation.IntegerRes;
  56import androidx.annotation.NonNull;
  57import androidx.core.app.RemoteInput;
  58import androidx.core.content.ContextCompat;
  59import androidx.core.util.Consumer;
  60
  61import com.cheogram.android.EmojiSearch;
  62import com.cheogram.android.WebxdcUpdate;
  63
  64import com.google.common.base.Objects;
  65import com.google.common.base.Optional;
  66import com.google.common.base.Strings;
  67import com.google.common.io.Files;
  68
  69import com.kedia.ogparser.JsoupProxy;
  70import com.kedia.ogparser.OpenGraphCallback;
  71import com.kedia.ogparser.OpenGraphParser;
  72import com.kedia.ogparser.OpenGraphResult;
  73
  74import org.conscrypt.Conscrypt;
  75import org.jxmpp.stringprep.libidn.LibIdnXmppStringprep;
  76import org.openintents.openpgp.IOpenPgpService2;
  77import org.openintents.openpgp.util.OpenPgpApi;
  78import org.openintents.openpgp.util.OpenPgpServiceConnection;
  79
  80import java.io.File;
  81import java.io.FileInputStream;
  82import java.io.IOException;
  83import java.net.URI;
  84import java.security.Security;
  85import java.security.cert.CertificateException;
  86import java.security.cert.X509Certificate;
  87import java.util.ArrayList;
  88import java.util.Arrays;
  89import java.util.Collection;
  90import java.util.Collections;
  91import java.util.HashSet;
  92import java.util.Hashtable;
  93import java.util.Iterator;
  94import java.util.List;
  95import java.util.ListIterator;
  96import java.util.Map;
  97import java.util.Set;
  98import java.util.WeakHashMap;
  99import java.util.concurrent.CopyOnWriteArrayList;
 100import java.util.concurrent.CountDownLatch;
 101import java.util.concurrent.Executor;
 102import java.util.concurrent.Executors;
 103import java.util.concurrent.Semaphore;
 104import java.util.concurrent.TimeUnit;
 105import java.util.concurrent.atomic.AtomicBoolean;
 106import java.util.concurrent.atomic.AtomicLong;
 107import java.util.concurrent.atomic.AtomicReference;
 108
 109import io.ipfs.cid.Cid;
 110
 111import eu.siacs.conversations.Config;
 112import eu.siacs.conversations.R;
 113import eu.siacs.conversations.android.JabberIdContact;
 114import eu.siacs.conversations.crypto.OmemoSetting;
 115import eu.siacs.conversations.crypto.PgpDecryptionService;
 116import eu.siacs.conversations.crypto.PgpEngine;
 117import eu.siacs.conversations.crypto.axolotl.AxolotlService;
 118import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
 119import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
 120import eu.siacs.conversations.entities.Account;
 121import eu.siacs.conversations.entities.Blockable;
 122import eu.siacs.conversations.entities.Bookmark;
 123import eu.siacs.conversations.entities.Contact;
 124import eu.siacs.conversations.entities.Conversation;
 125import eu.siacs.conversations.entities.Conversational;
 126import eu.siacs.conversations.entities.DownloadableFile;
 127import eu.siacs.conversations.entities.Message;
 128import eu.siacs.conversations.entities.MucOptions;
 129import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
 130import eu.siacs.conversations.entities.Presence;
 131import eu.siacs.conversations.entities.PresenceTemplate;
 132import eu.siacs.conversations.entities.Roster;
 133import eu.siacs.conversations.entities.ServiceDiscoveryResult;
 134import eu.siacs.conversations.generator.AbstractGenerator;
 135import eu.siacs.conversations.generator.IqGenerator;
 136import eu.siacs.conversations.generator.MessageGenerator;
 137import eu.siacs.conversations.generator.PresenceGenerator;
 138import eu.siacs.conversations.http.HttpConnectionManager;
 139import eu.siacs.conversations.parser.AbstractParser;
 140import eu.siacs.conversations.parser.IqParser;
 141import eu.siacs.conversations.parser.MessageParser;
 142import eu.siacs.conversations.parser.PresenceParser;
 143import eu.siacs.conversations.persistance.DatabaseBackend;
 144import eu.siacs.conversations.persistance.FileBackend;
 145import eu.siacs.conversations.persistance.UnifiedPushDatabase;
 146import eu.siacs.conversations.ui.ChooseAccountForProfilePictureActivity;
 147import eu.siacs.conversations.ui.RtpSessionActivity;
 148import eu.siacs.conversations.ui.SettingsActivity;
 149import eu.siacs.conversations.ui.UiCallback;
 150import eu.siacs.conversations.ui.interfaces.OnAvatarPublication;
 151import eu.siacs.conversations.ui.interfaces.OnMediaLoaded;
 152import eu.siacs.conversations.ui.interfaces.OnSearchResultsAvailable;
 153import eu.siacs.conversations.utils.Compatibility;
 154import eu.siacs.conversations.utils.ConversationsFileObserver;
 155import eu.siacs.conversations.utils.CryptoHelper;
 156import eu.siacs.conversations.utils.Emoticons;
 157import eu.siacs.conversations.utils.EasyOnboardingInvite;
 158import eu.siacs.conversations.utils.ExceptionHelper;
 159import eu.siacs.conversations.utils.FileUtils;
 160import eu.siacs.conversations.utils.MimeUtils;
 161import eu.siacs.conversations.utils.PhoneHelper;
 162import eu.siacs.conversations.utils.QuickLoader;
 163import eu.siacs.conversations.utils.ReplacingSerialSingleThreadExecutor;
 164import eu.siacs.conversations.utils.ReplacingTaskManager;
 165import eu.siacs.conversations.utils.Resolver;
 166import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
 167import eu.siacs.conversations.utils.StringUtils;
 168import eu.siacs.conversations.utils.TorServiceUtils;
 169import eu.siacs.conversations.utils.ThemeHelper;
 170import eu.siacs.conversations.utils.WakeLockHelper;
 171import eu.siacs.conversations.utils.XmppUri;
 172import eu.siacs.conversations.xml.Element;
 173import eu.siacs.conversations.xml.LocalizedContent;
 174import eu.siacs.conversations.xml.Namespace;
 175import eu.siacs.conversations.xmpp.Jid;
 176import eu.siacs.conversations.xmpp.OnBindListener;
 177import eu.siacs.conversations.xmpp.OnContactStatusChanged;
 178import eu.siacs.conversations.xmpp.OnGatewayResult;
 179import eu.siacs.conversations.xmpp.OnIqPacketReceived;
 180import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
 181import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
 182import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 183import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
 184import eu.siacs.conversations.xmpp.OnStatusChanged;
 185import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
 186import eu.siacs.conversations.xmpp.XmppConnection;
 187import eu.siacs.conversations.xmpp.chatstate.ChatState;
 188import eu.siacs.conversations.xmpp.forms.Data;
 189import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
 190import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 191import eu.siacs.conversations.xmpp.jingle.JingleRtpConnection;
 192import eu.siacs.conversations.xmpp.jingle.Media;
 193import eu.siacs.conversations.xmpp.jingle.RtpEndUserState;
 194import eu.siacs.conversations.xmpp.mam.MamReference;
 195import eu.siacs.conversations.xmpp.pep.Avatar;
 196import eu.siacs.conversations.xmpp.pep.PublishOptions;
 197import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 198import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 199import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 200import me.leolin.shortcutbadger.ShortcutBadger;
 201
 202import okhttp3.HttpUrl;
 203import okhttp3.OkHttpClient;
 204
 205public class XmppConnectionService extends Service {
 206
 207    public static final String ACTION_REPLY_TO_CONVERSATION = "reply_to_conversations";
 208    public static final String ACTION_MARK_AS_READ = "mark_as_read";
 209    public static final String ACTION_SNOOZE = "snooze";
 210    public static final String ACTION_CLEAR_MESSAGE_NOTIFICATION = "clear_message_notification";
 211    public static final String ACTION_CLEAR_MISSED_CALL_NOTIFICATION = "clear_missed_call_notification";
 212    public static final String ACTION_DISMISS_ERROR_NOTIFICATIONS = "dismiss_error";
 213    public static final String ACTION_TRY_AGAIN = "try_again";
 214    public static final String ACTION_IDLE_PING = "idle_ping";
 215    public static final String ACTION_FCM_TOKEN_REFRESH = "fcm_token_refresh";
 216    public static final String ACTION_FCM_MESSAGE_RECEIVED = "fcm_message_received";
 217    public static final String ACTION_DISMISS_CALL = "dismiss_call";
 218    public static final String ACTION_END_CALL = "end_call";
 219    public static final String ACTION_PROVISION_ACCOUNT = "provision_account";
 220    private static final String ACTION_POST_CONNECTIVITY_CHANGE = "eu.siacs.conversations.POST_CONNECTIVITY_CHANGE";
 221    public static final String ACTION_RENEW_UNIFIED_PUSH_ENDPOINTS = "eu.siacs.conversations.UNIFIED_PUSH_RENEW";
 222
 223    private static final String SETTING_LAST_ACTIVITY_TS = "last_activity_timestamp";
 224
 225    public final CountDownLatch restoredFromDatabaseLatch = new CountDownLatch(1);
 226    private final static Executor FILE_OBSERVER_EXECUTOR = Executors.newSingleThreadExecutor();
 227    private final static Executor FILE_ATTACHMENT_EXECUTOR = Executors.newSingleThreadExecutor();
 228    private final static SerialSingleThreadExecutor VIDEO_COMPRESSION_EXECUTOR = new SerialSingleThreadExecutor("VideoCompression");
 229    private final SerialSingleThreadExecutor mDatabaseWriterExecutor = new SerialSingleThreadExecutor("DatabaseWriter");
 230    private final SerialSingleThreadExecutor mDatabaseReaderExecutor = new SerialSingleThreadExecutor("DatabaseReader");
 231    private final SerialSingleThreadExecutor mNotificationExecutor = new SerialSingleThreadExecutor("NotificationExecutor");
 232    private final ReplacingTaskManager mRosterSyncTaskManager = new ReplacingTaskManager();
 233    private final IBinder mBinder = new XmppConnectionBinder();
 234    private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 235    private final IqGenerator mIqGenerator = new IqGenerator(this);
 236    private final Set<String> mInProgressAvatarFetches = new HashSet<>();
 237    private final Set<String> mOmittedPepAvatarFetches = new HashSet<>();
 238    private final HashSet<Jid> mLowPingTimeoutMode = new HashSet<>();
 239    private final OnIqPacketReceived mDefaultIqHandler = (account, packet) -> {
 240        if (packet.getType() != IqPacket.TYPE.RESULT) {
 241            Element error = packet.findChild("error");
 242            String text = error != null ? error.findChildContent("text") : null;
 243            if (text != null) {
 244                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received iq error - " + text);
 245            }
 246        }
 247    };
 248    public DatabaseBackend databaseBackend;
 249    private final ReplacingSerialSingleThreadExecutor mContactMergerExecutor = new ReplacingSerialSingleThreadExecutor("ContactMerger");
 250    private final ReplacingSerialSingleThreadExecutor mStickerScanExecutor = new ReplacingSerialSingleThreadExecutor("StickerScan");
 251    private long mLastActivity = 0;
 252    private long mLastMucPing = 0;
 253    private long mLastStickerRescan = 0;
 254    private final FileBackend fileBackend = new FileBackend(this);
 255    private MemorizingTrustManager mMemorizingTrustManager;
 256    private final NotificationService mNotificationService = new NotificationService(this);
 257    private final UnifiedPushBroker unifiedPushBroker = new UnifiedPushBroker(this);
 258    private final ChannelDiscoveryService mChannelDiscoveryService = new ChannelDiscoveryService(this);
 259    private final ShortcutService mShortcutService = new ShortcutService(this);
 260    private final AtomicBoolean mInitialAddressbookSyncCompleted = new AtomicBoolean(false);
 261    private final AtomicBoolean mForceForegroundService = new AtomicBoolean(false);
 262    private final AtomicBoolean mForceDuringOnCreate = new AtomicBoolean(false);
 263    private final AtomicReference<OngoingCall> ongoingCall = new AtomicReference<>();
 264    private final OnMessagePacketReceived mMessageParser = new MessageParser(this);
 265    private final OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 266    private final IqParser mIqParser = new IqParser(this);
 267    private final MessageGenerator mMessageGenerator = new MessageGenerator(this);
 268    public OnContactStatusChanged onContactStatusChanged = (contact, online) -> {
 269        Conversation conversation = find(getConversations(), contact);
 270        if (conversation != null) {
 271            if (online) {
 272                if (contact.getPresences().size() == 1) {
 273                    sendUnsentMessages(conversation);
 274                }
 275            }
 276        }
 277    };
 278    private final PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 279    private List<Account> accounts;
 280    private final JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(this);
 281    private final HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(this);
 282    private final AvatarService mAvatarService = new AvatarService(this);
 283    private final MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 284    private final PushManagementService mPushManagementService = new PushManagementService(this);
 285    private final QuickConversationsService mQuickConversationsService = new QuickConversationsService(this);
 286    private final ConversationsFileObserver fileObserver = new ConversationsFileObserver(
 287            Environment.getExternalStorageDirectory().getAbsolutePath()
 288    ) {
 289        @Override
 290        public void onEvent(final int event, final File file) {
 291            markFileDeleted(file);
 292        }
 293    };
 294    private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 295
 296        @Override
 297        public boolean onMessageAcknowledged(final Account account, final Jid to, final String id) {
 298            if (id.startsWith(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX)) {
 299                final String sessionId = id.substring(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX.length());
 300                mJingleConnectionManager.updateProposedSessionDiscovered(
 301                        account,
 302                        to,
 303                        sessionId,
 304                        JingleConnectionManager.DeviceDiscoveryState.SEARCHING_ACKNOWLEDGED
 305                );
 306            }
 307
 308
 309            final Jid bare = to.asBareJid();
 310
 311            for (final Conversation conversation : getConversations()) {
 312                if (conversation.getAccount() == account && conversation.getJid().asBareJid().equals(bare)) {
 313                    final Message message = conversation.findUnsentMessageWithUuid(id);
 314                    if (message != null) {
 315                        message.setStatus(Message.STATUS_SEND);
 316                        message.setErrorMessage(null);
 317                        databaseBackend.updateMessage(message, false);
 318                        return true;
 319                    }
 320                }
 321            }
 322            return false;
 323        }
 324    };
 325    private final AtomicBoolean isPhoneInCall = new AtomicBoolean(false);
 326    private final AtomicBoolean diallerIntegrationActive = new AtomicBoolean(false);
 327    private final PhoneStateListener phoneStateListener = new PhoneStateListener() {
 328        @Override
 329        public void onCallStateChanged(final int state, final String phoneNumber) {
 330            if (diallerIntegrationActive.get()) return;
 331            isPhoneInCall.set(state != TelephonyManager.CALL_STATE_IDLE);
 332            if (state == TelephonyManager.CALL_STATE_OFFHOOK) {
 333                mJingleConnectionManager.notifyPhoneCallStarted();
 334            }
 335        }
 336    };
 337
 338    public void setDiallerIntegrationActive(boolean active) {
 339      diallerIntegrationActive.set(active);
 340    }
 341
 342    private boolean destroyed = false;
 343
 344    private int unreadCount = -1;
 345
 346    //Ui callback listeners
 347    private final Set<OnConversationUpdate> mOnConversationUpdates = Collections.newSetFromMap(new WeakHashMap<OnConversationUpdate, Boolean>());
 348    private final Set<OnShowErrorToast> mOnShowErrorToasts = Collections.newSetFromMap(new WeakHashMap<OnShowErrorToast, Boolean>());
 349    private final Set<OnAccountUpdate> mOnAccountUpdates = Collections.newSetFromMap(new WeakHashMap<OnAccountUpdate, Boolean>());
 350    private final Set<OnCaptchaRequested> mOnCaptchaRequested = Collections.newSetFromMap(new WeakHashMap<OnCaptchaRequested, Boolean>());
 351    private final Set<OnRosterUpdate> mOnRosterUpdates = Collections.newSetFromMap(new WeakHashMap<OnRosterUpdate, Boolean>());
 352    private final Set<OnUpdateBlocklist> mOnUpdateBlocklist = Collections.newSetFromMap(new WeakHashMap<OnUpdateBlocklist, Boolean>());
 353    private final Set<OnMucRosterUpdate> mOnMucRosterUpdate = Collections.newSetFromMap(new WeakHashMap<OnMucRosterUpdate, Boolean>());
 354    private final Set<OnKeyStatusUpdated> mOnKeyStatusUpdated = Collections.newSetFromMap(new WeakHashMap<OnKeyStatusUpdated, Boolean>());
 355    private final Set<OnJingleRtpConnectionUpdate> onJingleRtpConnectionUpdate = Collections.newSetFromMap(new WeakHashMap<OnJingleRtpConnectionUpdate, Boolean>());
 356    private final Set<String> alreadyAttemptedSVGDownload = new HashSet<>();
 357
 358    private final Object LISTENER_LOCK = new Object();
 359
 360
 361    public final Set<String> FILENAMES_TO_IGNORE_DELETION = new HashSet<>();
 362
 363
 364    private final OnBindListener mOnBindListener = new OnBindListener() {
 365
 366        @Override
 367        public void onBind(final Account account) {
 368            synchronized (mInProgressAvatarFetches) {
 369                for (Iterator<String> iterator = mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
 370                    final String KEY = iterator.next();
 371                    if (KEY.startsWith(account.getJid().asBareJid() + "_")) {
 372                        iterator.remove();
 373                    }
 374                }
 375            }
 376            boolean loggedInSuccessfully = account.setOption(Account.OPTION_LOGGED_IN_SUCCESSFULLY, true);
 377            boolean gainedFeature = account.setOption(Account.OPTION_HTTP_UPLOAD_AVAILABLE, account.getXmppConnection().getFeatures().httpUpload(0));
 378            if (loggedInSuccessfully || gainedFeature) {
 379                databaseBackend.updateAccount(account);
 380            }
 381
 382            if (loggedInSuccessfully) {
 383                if (!TextUtils.isEmpty(account.getDisplayName())) {
 384                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": display name wasn't empty on first log in. publishing");
 385                    publishDisplayName(account);
 386                }
 387            }
 388
 389            account.getRoster().clearPresences();
 390            synchronized (account.inProgressConferenceJoins) {
 391                account.inProgressConferenceJoins.clear();
 392            }
 393            synchronized (account.inProgressConferencePings) {
 394                account.inProgressConferencePings.clear();
 395            }
 396            mJingleConnectionManager.notifyRebound(account);
 397            mQuickConversationsService.considerSyncBackground(false);
 398            fetchRosterFromServer(account);
 399
 400            final XmppConnection connection = account.getXmppConnection();
 401
 402            if (connection.getFeatures().bookmarks2()) {
 403                fetchBookmarks2(account);
 404            } else if (!account.getXmppConnection().getFeatures().bookmarksConversion()) {
 405                fetchBookmarks(account);
 406            }
 407            final boolean flexible = account.getXmppConnection().getFeatures().flexibleOfflineMessageRetrieval();
 408            final boolean catchup = getMessageArchiveService().inCatchup(account);
 409            if (flexible && catchup && account.getXmppConnection().isMamPreferenceAlways()) {
 410                sendIqPacket(account, mIqGenerator.purgeOfflineMessages(), (acc, packet) -> {
 411                    if (packet.getType() == IqPacket.TYPE.RESULT) {
 412                        Log.d(Config.LOGTAG, acc.getJid().asBareJid() + ": successfully purged offline messages");
 413                    }
 414                });
 415            }
 416            sendPresence(account);
 417            if (mPushManagementService.available(account)) {
 418                mPushManagementService.registerPushTokenOnServer(account);
 419            }
 420            connectMultiModeConversations(account);
 421            syncDirtyContacts(account);
 422
 423            unifiedPushBroker.renewUnifiedPushEndpointsOnBind(account);
 424        }
 425    };
 426    private final AtomicLong mLastExpiryRun = new AtomicLong(0);
 427    private final LruCache<Pair<String, String>, ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 428    private final OnStatusChanged statusListener = new OnStatusChanged() {
 429
 430        @Override
 431        public void onStatusChanged(final Account account) {
 432            XmppConnection connection = account.getXmppConnection();
 433            updateAccountUi();
 434
 435            if (account.getStatus() == Account.State.ONLINE || account.getStatus().isError()) {
 436                mQuickConversationsService.signalAccountStateChange();
 437            }
 438
 439            if (account.getStatus() == Account.State.ONLINE) {
 440                synchronized (mLowPingTimeoutMode) {
 441                    if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 442                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 443                    }
 444                }
 445                if (account.setShowErrorNotification(true)) {
 446                    databaseBackend.updateAccount(account);
 447                }
 448                mMessageArchiveService.executePendingQueries(account);
 449                if (connection != null && connection.getFeatures().csi()) {
 450                    if (checkListeners()) {
 451                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//inactive");
 452                        connection.sendInactive();
 453                    } else {
 454                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//active");
 455                        connection.sendActive();
 456                    }
 457                }
 458                List<Conversation> conversations = getConversations();
 459                for (Conversation conversation : conversations) {
 460                    final boolean inProgressJoin;
 461                    synchronized (account.inProgressConferenceJoins) {
 462                        inProgressJoin = account.inProgressConferenceJoins.contains(conversation);
 463                    }
 464                    final boolean pendingJoin;
 465                    synchronized (account.pendingConferenceJoins) {
 466                        pendingJoin = account.pendingConferenceJoins.contains(conversation);
 467                    }
 468                    if (conversation.getAccount() == account
 469                            && !pendingJoin
 470                            && !inProgressJoin) {
 471                        sendUnsentMessages(conversation);
 472                    }
 473                }
 474                final List<Conversation> pendingLeaves;
 475                synchronized (account.pendingConferenceLeaves) {
 476                    pendingLeaves = new ArrayList<>(account.pendingConferenceLeaves);
 477                    account.pendingConferenceLeaves.clear();
 478
 479                }
 480                for (Conversation conversation : pendingLeaves) {
 481                    leaveMuc(conversation);
 482                }
 483                final List<Conversation> pendingJoins;
 484                synchronized (account.pendingConferenceJoins) {
 485                    pendingJoins = new ArrayList<>(account.pendingConferenceJoins);
 486                    account.pendingConferenceJoins.clear();
 487                }
 488                for (Conversation conversation : pendingJoins) {
 489                    joinMuc(conversation);
 490                }
 491                scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 492            } else if (account.getStatus() == Account.State.OFFLINE || account.getStatus() == Account.State.DISABLED) {
 493                resetSendingToWaiting(account);
 494                if (account.isEnabled() && isInLowPingTimeoutMode(account)) {
 495                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": went into offline state during low ping mode. reconnecting now");
 496                    reconnectAccount(account, true, false);
 497                } else {
 498                    final int timeToReconnect = SECURE_RANDOM.nextInt(10) + 2;
 499                    scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 500                }
 501            } else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 502                databaseBackend.updateAccount(account);
 503                reconnectAccount(account, true, false);
 504            } else if (account.getStatus() != Account.State.CONNECTING && account.getStatus() != Account.State.NO_INTERNET) {
 505                resetSendingToWaiting(account);
 506                if (connection != null && account.getStatus().isAttemptReconnect()) {
 507                    final int next = connection.getTimeToNextAttempt();
 508                    final boolean lowPingTimeoutMode = isInLowPingTimeoutMode(account);
 509                    if (next <= 0) {
 510                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. reconnecting now. lowPingTimeout=" + lowPingTimeoutMode);
 511                        reconnectAccount(account, true, false);
 512                    } else {
 513                        final int attempt = connection.getAttempt() + 1;
 514                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. try again in " + next + "s for the " + attempt + " time. lowPingTimeout=" + lowPingTimeoutMode);
 515                        scheduleWakeUpCall(next, account.getUuid().hashCode());
 516                    }
 517                }
 518            }
 519            getNotificationService().updateErrorNotification();
 520        }
 521    };
 522    private OpenPgpServiceConnection pgpServiceConnection;
 523    private PgpEngine mPgpEngine = null;
 524    private WakeLock wakeLock;
 525    private LruCache<String, Drawable> mDrawableCache;
 526    private final BroadcastReceiver mInternalEventReceiver = new InternalEventReceiver();
 527    private final BroadcastReceiver mInternalScreenEventReceiver = new InternalEventReceiver();
 528    private EmojiSearch emojiSearch = null;
 529
 530    private static String generateFetchKey(Account account, final Avatar avatar) {
 531        return account.getJid().asBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 532    }
 533
 534    private boolean isInLowPingTimeoutMode(Account account) {
 535        synchronized (mLowPingTimeoutMode) {
 536            return mLowPingTimeoutMode.contains(account.getJid().asBareJid());
 537        }
 538    }
 539
 540    public void startForcingForegroundNotification() {
 541        mForceForegroundService.set(true);
 542        toggleForegroundService();
 543    }
 544
 545    public void stopForcingForegroundNotification() {
 546        mForceForegroundService.set(false);
 547        toggleForegroundService();
 548    }
 549
 550    public boolean areMessagesInitialized() {
 551        return this.restoredFromDatabaseLatch.getCount() == 0;
 552    }
 553
 554    public PgpEngine getPgpEngine() {
 555        if (!Config.supportOpenPgp()) {
 556            return null;
 557        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 558            if (this.mPgpEngine == null) {
 559                this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 560                        getApplicationContext(),
 561                        pgpServiceConnection.getService()), this);
 562            }
 563            return mPgpEngine;
 564        } else {
 565            return null;
 566        }
 567
 568    }
 569
 570    public OpenPgpApi getOpenPgpApi() {
 571        if (!Config.supportOpenPgp()) {
 572            return null;
 573        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 574            return new OpenPgpApi(this, pgpServiceConnection.getService());
 575        } else {
 576            return null;
 577        }
 578    }
 579
 580    public FileBackend getFileBackend() {
 581        return this.fileBackend;
 582    }
 583
 584    public DownloadableFile getFileForCid(Cid cid) {
 585        return this.databaseBackend.getFileForCid(cid);
 586    }
 587
 588    public String getUrlForCid(Cid cid) {
 589        return this.databaseBackend.getUrlForCid(cid);
 590    }
 591
 592    public void saveCid(Cid cid, File file) throws BlockedMediaException {
 593        saveCid(cid, file, null);
 594    }
 595
 596    public void saveCid(Cid cid, File file, String url) throws BlockedMediaException {
 597        if (this.databaseBackend.isBlockedMedia(cid)) {
 598            throw new BlockedMediaException();
 599        }
 600        this.databaseBackend.saveCid(cid, file, url);
 601    }
 602
 603    public void blockMedia(File f) {
 604        try {
 605            Cid[] cids = getFileBackend().calculateCids(new FileInputStream(f));
 606            for (Cid cid : cids) {
 607                blockMedia(cid);
 608            }
 609        } catch (final IOException e) { }
 610    }
 611
 612    public void blockMedia(Cid cid) {
 613        this.databaseBackend.blockMedia(cid);
 614    }
 615
 616    public void clearBlockedMedia() {
 617        this.databaseBackend.clearBlockedMedia();
 618    }
 619
 620    public void insertWebxdcUpdate(final WebxdcUpdate update) {
 621        this.databaseBackend.insertWebxdcUpdate(update);
 622    }
 623
 624    public WebxdcUpdate findLastWebxdcUpdate(Message message) {
 625        return this.databaseBackend.findLastWebxdcUpdate(message);
 626    }
 627
 628    public List<WebxdcUpdate> findWebxdcUpdates(Message message, long serial) {
 629        return this.databaseBackend.findWebxdcUpdates(message, serial);
 630    }
 631
 632    public AvatarService getAvatarService() {
 633        return this.mAvatarService;
 634    }
 635
 636    public void attachLocationToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 637        int encryption = conversation.getNextEncryption();
 638        if (encryption == Message.ENCRYPTION_PGP) {
 639            encryption = Message.ENCRYPTION_DECRYPTED;
 640        }
 641        Message message = new Message(conversation, uri.toString(), encryption);
 642        message.setThread(conversation.getThread());
 643        Message.configurePrivateMessage(message);
 644        if (encryption == Message.ENCRYPTION_DECRYPTED) {
 645            getPgpEngine().encrypt(message, callback);
 646        } else {
 647            sendMessage(message);
 648            callback.success(message);
 649        }
 650    }
 651
 652    public void attachFileToConversation(final Conversation conversation, final Uri uri, final String type, final UiCallback<Message> callback) {
 653        final Message message;
 654        if (conversation.getReplyTo() == null) {
 655            message = new Message(conversation, "", conversation.getNextEncryption());
 656        } else {
 657            message = conversation.getReplyTo().reply();
 658            message.setEncryption(conversation.getNextEncryption());
 659        }
 660        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 661            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
 662        }
 663        message.setThread(conversation.getThread());
 664        if (!Message.configurePrivateFileMessage(message)) {
 665            message.setCounterpart(conversation.getNextCounterpart());
 666            message.setType(Message.TYPE_FILE);
 667        }
 668        Log.d(Config.LOGTAG, "attachFile: type=" + message.getType());
 669        Log.d(Config.LOGTAG, "counterpart=" + message.getCounterpart());
 670        final AttachFileToConversationRunnable runnable = new AttachFileToConversationRunnable(this, uri, type, message, callback);
 671        if (runnable.isVideoMessage()) {
 672            VIDEO_COMPRESSION_EXECUTOR.execute(runnable);
 673        } else {
 674            FILE_ATTACHMENT_EXECUTOR.execute(runnable);
 675        }
 676    }
 677
 678    public void attachImageToConversation(final Conversation conversation, final Uri uri,  final String type, final UiCallback<Message> callback) {
 679        final String mimeType = MimeUtils.guessMimeTypeFromUriAndMime(this, uri, type);
 680        final String compressPictures = getCompressPicturesPreference();
 681
 682        if ("never".equals(compressPictures)
 683                || ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))
 684                || (mimeType != null && mimeType.endsWith("/gif"))
 685                || getFileBackend().unusualBounds(uri)) {
 686            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": not compressing picture. sending as file");
 687            attachFileToConversation(conversation, uri, mimeType, callback);
 688            return;
 689        }
 690        final Message message;
 691
 692        if (conversation.getReplyTo() == null) {
 693            message = new Message(conversation, "", conversation.getNextEncryption());
 694        } else {
 695            message = conversation.getReplyTo().reply();
 696            message.setEncryption(conversation.getNextEncryption());
 697        }
 698        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 699            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
 700        }
 701        message.setThread(conversation.getThread());
 702        if (!Message.configurePrivateFileMessage(message)) {
 703            message.setCounterpart(conversation.getNextCounterpart());
 704            message.setType(Message.TYPE_IMAGE);
 705        }
 706        Log.d(Config.LOGTAG, "attachImage: type=" + message.getType());
 707        FILE_ATTACHMENT_EXECUTOR.execute(() -> {
 708            try {
 709                getFileBackend().copyImageToPrivateStorage(message, uri);
 710            } catch (FileBackend.ImageCompressionException e) {
 711                Log.d(Config.LOGTAG, "unable to compress image. fall back to file transfer", e);
 712                attachFileToConversation(conversation, uri, mimeType, callback);
 713                return;
 714            } catch (final FileBackend.FileCopyException e) {
 715                callback.error(e.getResId(), message);
 716                return;
 717            }
 718            if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 719                final PgpEngine pgpEngine = getPgpEngine();
 720                if (pgpEngine != null) {
 721                    pgpEngine.encrypt(message, callback);
 722                } else if (callback != null) {
 723                    callback.error(R.string.unable_to_connect_to_keychain, null);
 724                }
 725            } else {
 726                sendMessage(message);
 727                callback.success(message);
 728            }
 729        });
 730    }
 731
 732    private File stickerDir() {
 733        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(getBaseContext());
 734        final String dir = p.getString("sticker_directory", "Stickers");
 735        if (dir.startsWith("content://")) {
 736            Uri uri = Uri.parse(dir);
 737            uri = DocumentsContract.buildDocumentUriUsingTree(uri, DocumentsContract.getTreeDocumentId(uri));
 738            return new File(FileUtils.getPath(getBaseContext(), uri));
 739        } else {
 740            return new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES) + "/" + dir);
 741        }
 742    }
 743
 744    public void rescanStickers() {
 745        long msToRescan = (mLastStickerRescan + 600000L) - SystemClock.elapsedRealtime();
 746        if (msToRescan > 0) return;
 747
 748        mLastStickerRescan = SystemClock.elapsedRealtime();
 749        mStickerScanExecutor.execute(() -> {
 750            try {
 751                for (File file : Files.fileTraverser().breadthFirst(stickerDir())) {
 752                    try {
 753                        if (file.isFile() && file.canRead()) {
 754                            DownloadableFile df = new DownloadableFile(file.getAbsolutePath());
 755                            Drawable icon = fileBackend.getThumbnail(df, getResources(), (int) (getResources().getDisplayMetrics().density * 288), false);
 756                            if (Build.VERSION.SDK_INT >= 28 && icon instanceof AnimatedImageDrawable) {
 757                                // Animated drawable not working in spans for me yet
 758                                // https://stackoverflow.com/questions/76870075/using-animatedimagedrawable-inside-imagespan-renders-wrong-size
 759                                continue;
 760                            }
 761                            final String filename = Files.getNameWithoutExtension(df.getName());
 762                            Cid[] cids = fileBackend.calculateCids(new FileInputStream(df));
 763                            for (Cid cid : cids) {
 764                                saveCid(cid, file);
 765                            }
 766                            emojiSearch.addEmoji(new EmojiSearch.CustomEmoji(filename, cids[0].toString(), icon, file.getParentFile().getName()));
 767                        }
 768                    } catch (final Exception e) {
 769                        Log.w(Config.LOGTAG, "rescanStickers: " + e);
 770                    }
 771                }
 772            } catch (final Exception e) {
 773                Log.w(Config.LOGTAG, "rescanStickers: " + e);
 774            }
 775        });
 776    }
 777
 778    public EmojiSearch emojiSearch() {
 779        return emojiSearch;
 780    }
 781
 782    public Conversation find(Bookmark bookmark) {
 783        return find(bookmark.getAccount(), bookmark.getJid());
 784    }
 785
 786    public Conversation find(final Account account, final Jid jid) {
 787        return find(getConversations(), account, jid);
 788    }
 789
 790    public boolean isMuc(final Account account, final Jid jid) {
 791        final Conversation c = find(account, jid);
 792        return c != null && c.getMode() == Conversational.MODE_MULTI;
 793    }
 794
 795    public void search(final List<String> term, final String uuid, final OnSearchResultsAvailable onSearchResultsAvailable) {
 796        MessageSearchTask.search(this, term, uuid, onSearchResultsAvailable);
 797    }
 798
 799    @Override
 800    public int onStartCommand(Intent intent, int flags, int startId) {
 801        final String action = intent == null ? null : intent.getAction();
 802        final boolean needsForegroundService = intent != null && intent.getBooleanExtra(EventReceiver.EXTRA_NEEDS_FOREGROUND_SERVICE, false);
 803        if (needsForegroundService) {
 804            Log.d(Config.LOGTAG, "toggle forced foreground service after receiving event (action=" + action + ")");
 805            toggleForegroundService(true);
 806        }
 807        String pushedAccountHash = null;
 808        boolean interactive = false;
 809        if (action != null) {
 810            final String uuid = intent.getStringExtra("uuid");
 811            switch (action) {
 812                case QuickConversationsService.SMS_RETRIEVED_ACTION:
 813                    mQuickConversationsService.handleSmsReceived(intent);
 814                    break;
 815                case ConnectivityManager.CONNECTIVITY_ACTION:
 816                    if (hasInternetConnection()) {
 817                        if (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0) {
 818                            schedulePostConnectivityChange();
 819                        }
 820                        if (Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 821                            resetAllAttemptCounts(true, false);
 822                        }
 823                        Resolver.clearCache();
 824                    }
 825                    break;
 826                case Intent.ACTION_SHUTDOWN:
 827                    logoutAndSave(true);
 828                    return START_NOT_STICKY;
 829                case ACTION_CLEAR_MESSAGE_NOTIFICATION:
 830                    mNotificationExecutor.execute(() -> {
 831                        try {
 832                            final Conversation c = findConversationByUuid(uuid);
 833                            if (c != null) {
 834                                mNotificationService.clearMessages(c);
 835                            } else {
 836                                mNotificationService.clearMessages();
 837                            }
 838                            restoredFromDatabaseLatch.await();
 839
 840                        } catch (InterruptedException e) {
 841                            Log.d(Config.LOGTAG, "unable to process clear message notification");
 842                        }
 843                    });
 844                    break;
 845                case ACTION_CLEAR_MISSED_CALL_NOTIFICATION:
 846                    mNotificationExecutor.execute(() -> {
 847                        try {
 848                            final Conversation c = findConversationByUuid(uuid);
 849                            if (c != null) {
 850                                mNotificationService.clearMissedCalls(c);
 851                            } else {
 852                                mNotificationService.clearMissedCalls();
 853                            }
 854                            restoredFromDatabaseLatch.await();
 855
 856                        } catch (InterruptedException e) {
 857                            Log.d(Config.LOGTAG, "unable to process clear missed call notification");
 858                        }
 859                    });
 860                    break;
 861                case ACTION_DISMISS_CALL: {
 862                    final String sessionId = intent.getStringExtra(RtpSessionActivity.EXTRA_SESSION_ID);
 863                    Log.d(Config.LOGTAG, "received intent to dismiss call with session id " + sessionId);
 864                    mJingleConnectionManager.rejectRtpSession(sessionId);
 865                    break;
 866                }
 867                case TorServiceUtils.ACTION_STATUS:
 868                    final String status = intent.getStringExtra(TorServiceUtils.EXTRA_STATUS);
 869                    //TODO port and host are in 'extras' - but this may not be a reliable source?
 870                    if ("ON".equals(status)) {
 871                        handleOrbotStartedEvent();
 872                        return START_STICKY;
 873                    }
 874                    break;
 875                case ACTION_END_CALL: {
 876                    final String sessionId = intent.getStringExtra(RtpSessionActivity.EXTRA_SESSION_ID);
 877                    Log.d(Config.LOGTAG, "received intent to end call with session id " + sessionId);
 878                    mJingleConnectionManager.endRtpSession(sessionId);
 879                }
 880                break;
 881                case ACTION_PROVISION_ACCOUNT: {
 882                    final String address = intent.getStringExtra("address");
 883                    final String password = intent.getStringExtra("password");
 884                    if (QuickConversationsService.isQuicksy() || Strings.isNullOrEmpty(address) || Strings.isNullOrEmpty(password)) {
 885                        break;
 886                    }
 887                    provisionAccount(address, password);
 888                    break;
 889                }
 890                case ACTION_DISMISS_ERROR_NOTIFICATIONS:
 891                    dismissErrorNotifications();
 892                    break;
 893                case ACTION_TRY_AGAIN:
 894                    resetAllAttemptCounts(false, true);
 895                    interactive = true;
 896                    break;
 897                case ACTION_REPLY_TO_CONVERSATION:
 898                    Bundle remoteInput = RemoteInput.getResultsFromIntent(intent);
 899                    if (remoteInput == null) {
 900                        break;
 901                    }
 902                    final CharSequence body = remoteInput.getCharSequence("text_reply");
 903                    final boolean dismissNotification = intent.getBooleanExtra("dismiss_notification", false);
 904                    final String lastMessageUuid = intent.getStringExtra("last_message_uuid");
 905                    if (body == null || body.length() <= 0) {
 906                        break;
 907                    }
 908                    mNotificationExecutor.execute(() -> {
 909                        try {
 910                            restoredFromDatabaseLatch.await();
 911                            final Conversation c = findConversationByUuid(uuid);
 912                            if (c != null) {
 913                                directReply(c, body.toString(), lastMessageUuid, dismissNotification);
 914                            }
 915                        } catch (InterruptedException e) {
 916                            Log.d(Config.LOGTAG, "unable to process direct reply");
 917                        }
 918                    });
 919                    break;
 920                case ACTION_MARK_AS_READ:
 921                    mNotificationExecutor.execute(() -> {
 922                        final Conversation c = findConversationByUuid(uuid);
 923                        if (c == null) {
 924                            Log.d(Config.LOGTAG, "received mark read intent for unknown conversation (" + uuid + ")");
 925                            return;
 926                        }
 927                        try {
 928                            restoredFromDatabaseLatch.await();
 929                            sendReadMarker(c, null);
 930                        } catch (InterruptedException e) {
 931                            Log.d(Config.LOGTAG, "unable to process notification read marker for conversation " + c.getName());
 932                        }
 933
 934                    });
 935                    break;
 936                case ACTION_SNOOZE:
 937                    mNotificationExecutor.execute(() -> {
 938                        final Conversation c = findConversationByUuid(uuid);
 939                        if (c == null) {
 940                            Log.d(Config.LOGTAG, "received snooze intent for unknown conversation (" + uuid + ")");
 941                            return;
 942                        }
 943                        c.setMutedTill(System.currentTimeMillis() + 30 * 60 * 1000);
 944                        mNotificationService.clearMessages(c);
 945                        updateConversation(c);
 946                    });
 947                case AudioManager.RINGER_MODE_CHANGED_ACTION:
 948                case NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED:
 949                    if (dndOnSilentMode()) {
 950                        refreshAllPresences();
 951                    }
 952                    break;
 953                case Intent.ACTION_SCREEN_ON:
 954                    deactivateGracePeriod();
 955                case Intent.ACTION_USER_PRESENT:
 956                case Intent.ACTION_SCREEN_OFF:
 957                    if (awayWhenScreenLocked()) {
 958                        refreshAllPresences();
 959                    }
 960                    break;
 961                case ACTION_FCM_TOKEN_REFRESH:
 962                    refreshAllFcmTokens();
 963                    break;
 964                case ACTION_RENEW_UNIFIED_PUSH_ENDPOINTS:
 965                    final String instance = intent.getStringExtra("instance");
 966                    final String application = intent.getStringExtra("application");
 967                    final Messenger messenger = intent.getParcelableExtra("messenger");
 968                    final UnifiedPushBroker.PushTargetMessenger pushTargetMessenger;
 969                    if (messenger != null && application != null && instance != null) {
 970                        pushTargetMessenger = new UnifiedPushBroker.PushTargetMessenger(new UnifiedPushDatabase.PushTarget(application, instance),messenger);
 971                        Log.d(Config.LOGTAG,"found push target messenger");
 972                    } else {
 973                        pushTargetMessenger = null;
 974                    }
 975                    final Optional<UnifiedPushBroker.Transport> transport = renewUnifiedPushEndpoints(pushTargetMessenger);
 976                    if (instance != null && transport.isPresent()) {
 977                        unifiedPushBroker.rebroadcastEndpoint(messenger, instance, transport.get());
 978                    }
 979                    break;
 980                case ACTION_IDLE_PING:
 981                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 982                        scheduleNextIdlePing();
 983                    }
 984                    break;
 985                case ACTION_FCM_MESSAGE_RECEIVED:
 986                    pushedAccountHash = intent.getStringExtra("account");
 987                    Log.d(Config.LOGTAG, "push message arrived in service. account=" + pushedAccountHash);
 988                    break;
 989                case Intent.ACTION_SEND:
 990                    Uri uri = intent.getData();
 991                    if (uri != null) {
 992                        Log.d(Config.LOGTAG, "received uri permission for " + uri);
 993                    }
 994                    return START_STICKY;
 995            }
 996        }
 997        synchronized (this) {
 998            WakeLockHelper.acquire(wakeLock);
 999            boolean pingNow = ConnectivityManager.CONNECTIVITY_ACTION.equals(action) || (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0 && ACTION_POST_CONNECTIVITY_CHANGE.equals(action));
1000            final HashSet<Account> pingCandidates = new HashSet<>();
1001            final String androidId = PhoneHelper.getAndroidId(this);
1002            for (Account account : accounts) {
1003                final boolean pushWasMeantForThisAccount = CryptoHelper.getAccountFingerprint(account, androidId).equals(pushedAccountHash);
1004                pingNow |= processAccountState(account,
1005                        interactive,
1006                        "ui".equals(action),
1007                        pushWasMeantForThisAccount,
1008                        pingCandidates);
1009            }
1010            if (pingNow) {
1011                for (Account account : pingCandidates) {
1012                    final boolean lowTimeout = isInLowPingTimeoutMode(account);
1013                    account.getXmppConnection().sendPing();
1014                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + " send ping (action=" + action + ",lowTimeout=" + lowTimeout + ")");
1015                    scheduleWakeUpCall(lowTimeout ? Config.LOW_PING_TIMEOUT : Config.PING_TIMEOUT, account.getUuid().hashCode());
1016                }
1017                long msToMucPing = (mLastMucPing + (Config.PING_MAX_INTERVAL * 2000L)) - SystemClock.elapsedRealtime();
1018                if (msToMucPing <= 0) {
1019                    mLastMucPing = SystemClock.elapsedRealtime();
1020                    for (Conversation c : getConversations()) {
1021                        if (c.getMode() == Conversation.MODE_MULTI && c.getMucOptions().online()) {
1022                            mucSelfPingAndRejoin(c);
1023                        }
1024                    }
1025                }
1026            }
1027            WakeLockHelper.release(wakeLock);
1028        }
1029        if (SystemClock.elapsedRealtime() - mLastExpiryRun.get() >= Config.EXPIRY_INTERVAL) {
1030            expireOldMessages();
1031        }
1032        return START_STICKY;
1033    }
1034
1035    private void handleOrbotStartedEvent() {
1036        for (final Account account : accounts) {
1037            if (account.getStatus() == Account.State.TOR_NOT_AVAILABLE) {
1038                reconnectAccount(account, true, false);
1039            }
1040        }
1041    }
1042
1043    private boolean processAccountState(Account account, boolean interactive, boolean isUiAction, boolean isAccountPushed, HashSet<Account> pingCandidates) {
1044        boolean pingNow = false;
1045        if (account.getStatus().isAttemptReconnect()) {
1046            if (!hasInternetConnection()) {
1047                account.setStatus(Account.State.NO_INTERNET);
1048                if (statusListener != null) {
1049                    statusListener.onStatusChanged(account);
1050                }
1051            } else {
1052                if (account.getStatus() == Account.State.NO_INTERNET) {
1053                    account.setStatus(Account.State.OFFLINE);
1054                    if (statusListener != null) {
1055                        statusListener.onStatusChanged(account);
1056                    }
1057                }
1058                if (account.getStatus() == Account.State.ONLINE) {
1059                    synchronized (mLowPingTimeoutMode) {
1060                        long lastReceived = account.getXmppConnection().getLastPacketReceived();
1061                        long lastSent = account.getXmppConnection().getLastPingSent();
1062                        long pingInterval = isUiAction ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
1063                        long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
1064                        int pingTimeout = mLowPingTimeoutMode.contains(account.getJid().asBareJid()) ? Config.LOW_PING_TIMEOUT * 1000 : Config.PING_TIMEOUT * 1000;
1065                        long pingTimeoutIn = (lastSent + pingTimeout) - SystemClock.elapsedRealtime();
1066                        if (lastSent > lastReceived) {
1067                            if (pingTimeoutIn < 0) {
1068                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ping timeout");
1069                                this.reconnectAccount(account, true, interactive);
1070                            } else {
1071                                int secs = (int) (pingTimeoutIn / 1000);
1072                                this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
1073                            }
1074                        } else {
1075                            pingCandidates.add(account);
1076                            if (isAccountPushed) {
1077                                pingNow = true;
1078                                if (mLowPingTimeoutMode.add(account.getJid().asBareJid())) {
1079                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": entering low ping timeout mode");
1080                                }
1081                            } else if (msToNextPing <= 0) {
1082                                pingNow = true;
1083                            } else {
1084                                this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
1085                                if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
1086                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
1087                                }
1088                            }
1089                        }
1090                    }
1091                } else if (account.getStatus() == Account.State.OFFLINE) {
1092                    reconnectAccount(account, true, interactive);
1093                } else if (account.getStatus() == Account.State.CONNECTING) {
1094                    long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
1095                    long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
1096                    long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
1097                    long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
1098                    if (timeout < 0) {
1099                        Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting (secondsSinceLast=" + secondsSinceLastConnect + ")");
1100                        account.getXmppConnection().resetAttemptCount(false);
1101                        reconnectAccount(account, true, interactive);
1102                    } else if (discoTimeout < 0) {
1103                        account.getXmppConnection().sendDiscoTimeout();
1104                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
1105                    } else {
1106                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
1107                    }
1108                } else {
1109                    if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
1110                        reconnectAccount(account, true, interactive);
1111                    }
1112                }
1113            }
1114        }
1115        return pingNow;
1116    }
1117
1118    public boolean processUnifiedPushMessage(final Account account, final Jid transport, final Element push) {
1119        return unifiedPushBroker.processPushMessage(account, transport, push);
1120    }
1121
1122    public void reinitializeMuclumbusService() {
1123        mChannelDiscoveryService.initializeMuclumbusService();
1124    }
1125
1126    public void discoverChannels(String query, ChannelDiscoveryService.Method method, Map<Jid, Account> mucServices, ChannelDiscoveryService.OnChannelSearchResultsFound onChannelSearchResultsFound) {
1127        mChannelDiscoveryService.discover(Strings.nullToEmpty(query).trim(), method, mucServices, onChannelSearchResultsFound);
1128    }
1129
1130    public boolean isDataSaverDisabled() {
1131        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1132            final ConnectivityManager connectivityManager =
1133                    (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
1134            return !connectivityManager.isActiveNetworkMetered()
1135                    || Compatibility.getRestrictBackgroundStatus(connectivityManager)
1136                            == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
1137        } else {
1138            return true;
1139        }
1140    }
1141
1142    private void directReply(final Conversation conversation, final String body, final String lastMessageUuid, final boolean dismissAfterReply) {
1143        final Message inReplyTo = lastMessageUuid == null ? null : conversation.findMessageWithUuid(lastMessageUuid);
1144        Message message = new Message(conversation, body, conversation.getNextEncryption());
1145        if (inReplyTo != null) {
1146            if (Emoticons.isEmoji(body)) {
1147                message = inReplyTo.react(body);
1148            } else {
1149                message = inReplyTo.reply();
1150            }
1151            message.clearFallbacks("urn:xmpp:reply:0");
1152            message.setBody(body);
1153            message.setEncryption(conversation.getNextEncryption());
1154        }
1155        if (inReplyTo != null && inReplyTo.isPrivateMessage()) {
1156            Message.configurePrivateMessage(message, inReplyTo.getCounterpart());
1157        }
1158        message.markUnread();
1159        if (message.getEncryption() == Message.ENCRYPTION_PGP) {
1160            getPgpEngine().encrypt(message, new UiCallback<Message>() {
1161                @Override
1162                public void success(Message message) {
1163                    if (dismissAfterReply) {
1164                        markRead((Conversation) message.getConversation(), true);
1165                    } else {
1166                        mNotificationService.pushFromDirectReply(message);
1167                    }
1168                }
1169
1170                @Override
1171                public void error(int errorCode, Message object) {
1172
1173                }
1174
1175                @Override
1176                public void userInputRequired(PendingIntent pi, Message object) {
1177
1178                }
1179            });
1180        } else {
1181            sendMessage(message);
1182            if (dismissAfterReply) {
1183                markRead(conversation, true);
1184            } else {
1185                mNotificationService.pushFromDirectReply(message);
1186            }
1187        }
1188    }
1189
1190    private boolean dndOnSilentMode() {
1191        return getBooleanPreference(SettingsActivity.DND_ON_SILENT_MODE, R.bool.dnd_on_silent_mode);
1192    }
1193
1194    private boolean manuallyChangePresence() {
1195        return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
1196    }
1197
1198    private boolean treatVibrateAsSilent() {
1199        return getBooleanPreference(SettingsActivity.TREAT_VIBRATE_AS_SILENT, R.bool.treat_vibrate_as_silent);
1200    }
1201
1202    private boolean awayWhenScreenLocked() {
1203        return getBooleanPreference(SettingsActivity.AWAY_WHEN_SCREEN_IS_OFF, R.bool.away_when_screen_off);
1204    }
1205
1206    private String getCompressPicturesPreference() {
1207        return getPreferences().getString("picture_compression", getResources().getString(R.string.picture_compression));
1208    }
1209
1210    private Presence.Status getTargetPresence() {
1211        if (dndOnSilentMode() && isPhoneSilenced()) {
1212            return Presence.Status.DND;
1213        } else if (awayWhenScreenLocked() && isScreenLocked()) {
1214            return Presence.Status.AWAY;
1215        } else {
1216            return Presence.Status.ONLINE;
1217        }
1218    }
1219
1220    public boolean isScreenLocked() {
1221        final KeyguardManager keyguardManager = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
1222        final PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE);
1223        final boolean locked = keyguardManager != null && keyguardManager.isKeyguardLocked();
1224        final boolean interactive = powerManager != null && powerManager.isInteractive();
1225        return locked || !interactive;
1226    }
1227
1228    private boolean isPhoneSilenced() {
1229        final boolean notificationDnd;
1230        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1231            final NotificationManager notificationManager = getSystemService(NotificationManager.class);
1232            final int filter = notificationManager == null ? NotificationManager.INTERRUPTION_FILTER_UNKNOWN : notificationManager.getCurrentInterruptionFilter();
1233            notificationDnd = filter >= NotificationManager.INTERRUPTION_FILTER_PRIORITY;
1234        } else {
1235            notificationDnd = false;
1236        }
1237        final AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
1238        final int ringerMode = audioManager == null ? AudioManager.RINGER_MODE_NORMAL : audioManager.getRingerMode();
1239        try {
1240            if (treatVibrateAsSilent()) {
1241                return notificationDnd || ringerMode != AudioManager.RINGER_MODE_NORMAL;
1242            } else {
1243                return notificationDnd || ringerMode == AudioManager.RINGER_MODE_SILENT;
1244            }
1245        } catch (Throwable throwable) {
1246            Log.d(Config.LOGTAG, "platform bug in isPhoneSilenced (" + throwable.getMessage() + ")");
1247            return notificationDnd;
1248        }
1249    }
1250
1251    private void resetAllAttemptCounts(boolean reallyAll, boolean retryImmediately) {
1252        Log.d(Config.LOGTAG, "resetting all attempt counts");
1253        for (Account account : accounts) {
1254            if (account.hasErrorStatus() || reallyAll) {
1255                final XmppConnection connection = account.getXmppConnection();
1256                if (connection != null) {
1257                    connection.resetAttemptCount(retryImmediately);
1258                }
1259            }
1260            if (account.setShowErrorNotification(true)) {
1261                mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
1262            }
1263        }
1264        mNotificationService.updateErrorNotification();
1265    }
1266
1267    private void dismissErrorNotifications() {
1268        for (final Account account : this.accounts) {
1269            if (account.hasErrorStatus()) {
1270                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": dismissing error notification");
1271                if (account.setShowErrorNotification(false)) {
1272                    mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
1273                }
1274            }
1275        }
1276    }
1277
1278    private void expireOldMessages() {
1279        expireOldMessages(false);
1280    }
1281
1282    public void expireOldMessages(final boolean resetHasMessagesLeftOnServer) {
1283        mLastExpiryRun.set(SystemClock.elapsedRealtime());
1284        mDatabaseWriterExecutor.execute(() -> {
1285            long timestamp = getAutomaticMessageDeletionDate();
1286            if (timestamp > 0) {
1287                databaseBackend.expireOldMessages(timestamp);
1288                synchronized (XmppConnectionService.this.conversations) {
1289                    for (Conversation conversation : XmppConnectionService.this.conversations) {
1290                        conversation.expireOldMessages(timestamp);
1291                        if (resetHasMessagesLeftOnServer) {
1292                            conversation.messagesLoaded.set(true);
1293                            conversation.setHasMessagesLeftOnServer(true);
1294                        }
1295                    }
1296                }
1297                updateConversationUi();
1298            }
1299        });
1300    }
1301
1302    public boolean hasInternetConnection() {
1303        final ConnectivityManager cm = ContextCompat.getSystemService(this, ConnectivityManager.class);
1304        if (cm == null) {
1305            return true; //if internet connection can not be checked it is probably best to just try
1306        }
1307        try {
1308            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.Q) {
1309                final Network activeNetwork = cm.getActiveNetwork();
1310                final NetworkCapabilities capabilities = activeNetwork == null ? null : cm.getNetworkCapabilities(activeNetwork);
1311                return capabilities != null && capabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET);
1312            } else {
1313                final NetworkInfo networkInfo = cm.getActiveNetworkInfo();
1314                return networkInfo != null && (networkInfo.isConnected() || networkInfo.getType() == ConnectivityManager.TYPE_ETHERNET);
1315            }
1316        } catch (final RuntimeException e) {
1317            Log.d(Config.LOGTAG, "unable to check for internet connection", e);
1318            return true; //if internet connection can not be checked it is probably best to just try
1319        }
1320    }
1321
1322    @SuppressLint("TrulyRandom")
1323    @Override
1324    public void onCreate() {
1325        LibIdnXmppStringprep.setup();
1326        emojiSearch = new EmojiSearch(this);
1327        setTheme(ThemeHelper.find(this));
1328        ThemeHelper.applyCustomColors(this);
1329        if (Compatibility.runsTwentySix()) {
1330            mNotificationService.initializeChannels();
1331        }
1332        mChannelDiscoveryService.initializeMuclumbusService();
1333        mForceDuringOnCreate.set(Compatibility.runsAndTargetsTwentySix(this));
1334        toggleForegroundService();
1335        this.destroyed = false;
1336        OmemoSetting.load(this);
1337        ExceptionHelper.init(getApplicationContext());
1338        try {
1339            Security.insertProviderAt(Conscrypt.newProvider(), 1);
1340        } catch (Throwable throwable) {
1341            Log.e(Config.LOGTAG, "unable to initialize security provider", throwable);
1342        }
1343        Resolver.init(this);
1344        updateMemorizingTrustmanager();
1345        final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
1346        final int cacheSize = maxMemory / 10;
1347        this.mDrawableCache = new LruCache<String, Drawable>(cacheSize) {
1348            @Override
1349            protected int sizeOf(final String key, final Drawable drawable) {
1350                if (drawable instanceof BitmapDrawable) {
1351                    Bitmap bitmap =  ((BitmapDrawable) drawable).getBitmap();
1352                    if (bitmap == null) return 1024;
1353
1354                    return bitmap.getByteCount() / 1024;
1355                } else {
1356                    return drawable.getIntrinsicWidth() * drawable.getIntrinsicHeight() * 40 / 1024;
1357                }
1358            }
1359        };
1360        if (mLastActivity == 0) {
1361            mLastActivity = getPreferences().getLong(SETTING_LAST_ACTIVITY_TS, System.currentTimeMillis());
1362        }
1363
1364        Log.d(Config.LOGTAG, "initializing database...");
1365        this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
1366        Log.d(Config.LOGTAG, "restoring accounts...");
1367        this.accounts = databaseBackend.getAccounts();
1368        for (Account account : this.accounts) {
1369            final int color = getPreferences().getInt("account_color:" + account.getUuid(), 0);
1370            if (color != 0) account.setColor(color);
1371        }
1372        final SharedPreferences.Editor editor = getPreferences().edit();
1373        if (this.accounts.size() == 0 && Arrays.asList("Sony", "Sony Ericsson").contains(Build.MANUFACTURER)) {
1374            editor.putBoolean(SettingsActivity.KEEP_FOREGROUND_SERVICE, true);
1375            Log.d(Config.LOGTAG, Build.MANUFACTURER + " is on blacklist. enabling foreground service");
1376        }
1377        final boolean hasEnabledAccounts = hasEnabledAccounts();
1378        editor.putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
1379        editor.apply();
1380        toggleSetProfilePictureActivity(hasEnabledAccounts);
1381        reconfigurePushDistributor();
1382
1383        restoreFromDatabase();
1384
1385        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || ContextCompat.checkSelfPermission(this, Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
1386            startContactObserver();
1387        }
1388        FILE_OBSERVER_EXECUTOR.execute(fileBackend::deleteHistoricAvatarPath);
1389        if (Compatibility.hasStoragePermission(this)) {
1390            Log.d(Config.LOGTAG, "starting file observer");
1391            FILE_OBSERVER_EXECUTOR.execute(this.fileObserver::startWatching);
1392            FILE_OBSERVER_EXECUTOR.execute(this::checkForDeletedFiles);
1393        }
1394        if (Config.supportOpenPgp()) {
1395            this.pgpServiceConnection = new OpenPgpServiceConnection(this, "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
1396                @Override
1397                public void onBound(IOpenPgpService2 service) {
1398                    for (Account account : accounts) {
1399                        final PgpDecryptionService pgp = account.getPgpDecryptionService();
1400                        if (pgp != null) {
1401                            pgp.continueDecryption(true);
1402                        }
1403                    }
1404                }
1405
1406                @Override
1407                public void onError(Exception e) {
1408                }
1409            });
1410            this.pgpServiceConnection.bindToService();
1411        }
1412
1413        final PowerManager pm = ContextCompat.getSystemService(this, PowerManager.class);
1414        this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Conversations:Service");
1415
1416        toggleForegroundService();
1417        updateUnreadCountBadge();
1418        toggleScreenEventReceiver();
1419        final IntentFilter intentFilter = new IntentFilter();
1420        intentFilter.addAction(TorServiceUtils.ACTION_STATUS);
1421        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1422            scheduleNextIdlePing();
1423            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1424                intentFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
1425            }
1426            intentFilter.addAction(NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED);
1427        }
1428        registerReceiver(this.mInternalEventReceiver, intentFilter);
1429        mForceDuringOnCreate.set(false);
1430        toggleForegroundService();
1431        setupPhoneStateListener();
1432        rescanStickers();
1433        com.caverock.androidsvg.SVG.registerExternalFileResolver(new com.caverock.androidsvg.SVGExternalFileResolver() {
1434            @Override
1435            public Bitmap resolveImage(String filename) {
1436                final LruCache<String, Drawable> cache = getDrawableCache();
1437                final Drawable d = cache.get(filename);
1438                if (d != null) return FileBackend.drawDrawable(d);
1439                if (getLongPreference("auto_accept_file_size", R.integer.auto_accept_filesize) < 3000000) {
1440                    return null;
1441                }
1442                synchronized(alreadyAttemptedSVGDownload) {
1443                    if (alreadyAttemptedSVGDownload.contains(filename)) return null;
1444                    alreadyAttemptedSVGDownload.add(filename);
1445                }
1446                final HttpConnectionManager httpManager = getHttpConnectionManager();
1447                Message dummy = new Message(new Conversation(null, getAccounts().get(0), null, 0), filename, Message.ENCRYPTION_NONE);
1448                dummy.setFileParams(new Message.FileParams(filename));
1449                httpManager.createNewDownloadConnection(dummy, true, (file) -> {
1450                    if (file == null) {
1451                        dummy.getTransferable().start();
1452                    } else {
1453                        try {
1454                            int size = (int)(getResources().getDisplayMetrics().density * 288);
1455                            getFileBackend().getThumbnail(file, getResources(), size, false, filename);
1456                        } catch (final Exception e) { }
1457                    }
1458                });
1459                return null;
1460            }
1461        });
1462    }
1463
1464
1465    private void setupPhoneStateListener() {
1466        final TelephonyManager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
1467        if (telephonyManager == null || Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
1468            return;
1469        }
1470        telephonyManager.listen(phoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);
1471    }
1472
1473    public boolean isPhoneInCall() {
1474        return isPhoneInCall.get();
1475    }
1476
1477    private void checkForDeletedFiles() {
1478        if (destroyed) {
1479            Log.d(Config.LOGTAG, "Do not check for deleted files because service has been destroyed");
1480            return;
1481        }
1482        final long start = SystemClock.elapsedRealtime();
1483        final List<DatabaseBackend.FilePathInfo> relativeFilePaths = databaseBackend.getFilePathInfo();
1484        final List<DatabaseBackend.FilePathInfo> changed = new ArrayList<>();
1485        for (final DatabaseBackend.FilePathInfo filePath : relativeFilePaths) {
1486            if (destroyed) {
1487                Log.d(Config.LOGTAG, "Stop checking for deleted files because service has been destroyed");
1488                return;
1489            }
1490            final File file = fileBackend.getFileForPath(filePath.path);
1491            if (filePath.setDeleted(!file.exists())) {
1492                changed.add(filePath);
1493            }
1494        }
1495        final long duration = SystemClock.elapsedRealtime() - start;
1496        Log.d(Config.LOGTAG, "found " + changed.size() + " changed files on start up. total=" + relativeFilePaths.size() + ". (" + duration + "ms)");
1497        if (changed.size() > 0) {
1498            databaseBackend.markFilesAsChanged(changed);
1499            markChangedFiles(changed);
1500        }
1501    }
1502
1503    public void startContactObserver() {
1504        getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, new ContentObserver(null) {
1505            @Override
1506            public void onChange(boolean selfChange) {
1507                super.onChange(selfChange);
1508                if (restoredFromDatabaseLatch.getCount() == 0) {
1509                    loadPhoneContacts();
1510                }
1511            }
1512        });
1513    }
1514
1515    @Override
1516    public void onTrimMemory(int level) {
1517        super.onTrimMemory(level);
1518        if (level >= TRIM_MEMORY_COMPLETE) {
1519            Log.d(Config.LOGTAG, "clear cache due to low memory");
1520            getDrawableCache().evictAll();
1521        }
1522    }
1523
1524    @Override
1525    public void onDestroy() {
1526        try {
1527            unregisterReceiver(this.mInternalEventReceiver);
1528            unregisterReceiver(this.mInternalScreenEventReceiver);
1529        } catch (final IllegalArgumentException e) {
1530            //ignored
1531        }
1532        destroyed = false;
1533        fileObserver.stopWatching();
1534        super.onDestroy();
1535    }
1536
1537    public void restartFileObserver() {
1538        Log.d(Config.LOGTAG, "restarting file observer");
1539        FILE_OBSERVER_EXECUTOR.execute(this.fileObserver::restartWatching);
1540        FILE_OBSERVER_EXECUTOR.execute(this::checkForDeletedFiles);
1541    }
1542
1543    public void toggleScreenEventReceiver() {
1544        if (awayWhenScreenLocked() && !manuallyChangePresence()) {
1545            final IntentFilter filter = new IntentFilter();
1546            filter.addAction(Intent.ACTION_SCREEN_ON);
1547            filter.addAction(Intent.ACTION_SCREEN_OFF);
1548            filter.addAction(Intent.ACTION_USER_PRESENT);
1549            registerReceiver(this.mInternalScreenEventReceiver, filter);
1550        } else {
1551            try {
1552                unregisterReceiver(this.mInternalScreenEventReceiver);
1553            } catch (IllegalArgumentException e) {
1554                //ignored
1555            }
1556        }
1557    }
1558
1559    public void toggleForegroundService() {
1560        toggleForegroundService(false);
1561    }
1562
1563    public void setOngoingCall(AbstractJingleConnection.Id id, Set<Media> media, final boolean reconnecting) {
1564        ongoingCall.set(new OngoingCall(id, media, reconnecting));
1565        toggleForegroundService(false);
1566    }
1567
1568    public void removeOngoingCall() {
1569        ongoingCall.set(null);
1570        toggleForegroundService(false);
1571    }
1572
1573    private void toggleForegroundService(boolean force) {
1574        final boolean status;
1575        final OngoingCall ongoing = ongoingCall.get();
1576        final boolean showOngoing = ongoing != null && !diallerIntegrationActive.get();
1577        if (force || mForceDuringOnCreate.get() || mForceForegroundService.get() || showOngoing || (Compatibility.keepForegroundService(this) && hasEnabledAccounts())) {
1578            final Notification notification;
1579            final int id;
1580            if (showOngoing) {
1581                notification = this.mNotificationService.getOngoingCallNotification(ongoing);
1582                id = NotificationService.ONGOING_CALL_NOTIFICATION_ID;
1583                startForegroundOrCatch(id, notification);
1584                mNotificationService.cancel(NotificationService.FOREGROUND_NOTIFICATION_ID);
1585            } else {
1586                notification = this.mNotificationService.createForegroundNotification();
1587                id = NotificationService.FOREGROUND_NOTIFICATION_ID;
1588                startForegroundOrCatch(id, notification);
1589            }
1590
1591            if (!mForceForegroundService.get()) {
1592                mNotificationService.notify(id, notification);
1593            }
1594            status = true;
1595        } else {
1596            stopForeground(true);
1597            status = false;
1598        }
1599        if (!mForceForegroundService.get()) {
1600            mNotificationService.cancel(NotificationService.FOREGROUND_NOTIFICATION_ID);
1601        }
1602        if (!showOngoing) {
1603            mNotificationService.cancel(NotificationService.ONGOING_CALL_NOTIFICATION_ID);
1604        }
1605        Log.d(Config.LOGTAG, "ForegroundService: " + (status ? "on" : "off"));
1606    }
1607
1608    private void startForegroundOrCatch(final int id, final Notification notification) {
1609        try {
1610            startForeground(id, notification);
1611        } catch (final IllegalStateException e) {
1612            Log.e(Config.LOGTAG,"Could not start foreground service", e);
1613        }
1614    }
1615
1616    public boolean foregroundNotificationNeedsUpdatingWhenErrorStateChanges() {
1617        return !mForceForegroundService.get() && ongoingCall.get() == null && Compatibility.keepForegroundService(this) && hasEnabledAccounts();
1618    }
1619
1620    @Override
1621    public void onTaskRemoved(final Intent rootIntent) {
1622        super.onTaskRemoved(rootIntent);
1623        if ((Compatibility.keepForegroundService(this) && hasEnabledAccounts()) || mForceForegroundService.get() || ongoingCall.get() != null) {
1624            Log.d(Config.LOGTAG, "ignoring onTaskRemoved because foreground service is activated");
1625        } else {
1626            this.logoutAndSave(false);
1627        }
1628    }
1629
1630    private void logoutAndSave(boolean stop) {
1631        int activeAccounts = 0;
1632        for (final Account account : accounts) {
1633            if (account.getStatus() != Account.State.DISABLED) {
1634                databaseBackend.writeRoster(account.getRoster());
1635                activeAccounts++;
1636            }
1637            if (account.getXmppConnection() != null) {
1638                new Thread(() -> disconnect(account, false)).start();
1639            }
1640        }
1641        if (stop || activeAccounts == 0) {
1642            Log.d(Config.LOGTAG, "good bye");
1643            stopSelf();
1644        }
1645    }
1646
1647    private void schedulePostConnectivityChange() {
1648        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1649        if (alarmManager == null) {
1650            return;
1651        }
1652        final long triggerAtMillis = SystemClock.elapsedRealtime() + (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL * 1000);
1653        final Intent intent = new Intent(this, EventReceiver.class);
1654        intent.setAction(ACTION_POST_CONNECTIVITY_CHANGE);
1655        try {
1656            final PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 1, intent, s()
1657                    ? PendingIntent.FLAG_IMMUTABLE | PendingIntent.FLAG_UPDATE_CURRENT
1658                    : PendingIntent.FLAG_UPDATE_CURRENT);
1659            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1660                alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1661            } else {
1662                alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1663            }
1664        } catch (RuntimeException e) {
1665            Log.e(Config.LOGTAG, "unable to schedule alarm for post connectivity change", e);
1666        }
1667    }
1668
1669    public void scheduleWakeUpCall(int seconds, int requestCode) {
1670        final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000L;
1671        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1672        if (alarmManager == null) {
1673            return;
1674        }
1675        final Intent intent = new Intent(this, EventReceiver.class);
1676        intent.setAction("ping");
1677        try {
1678            final PendingIntent pendingIntent;
1679            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1680                pendingIntent =
1681                        PendingIntent.getBroadcast(
1682                                this, requestCode, intent, PendingIntent.FLAG_IMMUTABLE);
1683            } else {
1684                pendingIntent =
1685                        PendingIntent.getBroadcast(
1686                                this, requestCode, intent, 0);
1687            }
1688            alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1689        } catch (RuntimeException e) {
1690            Log.e(Config.LOGTAG, "unable to schedule alarm for ping", e);
1691        }
1692    }
1693
1694    @TargetApi(Build.VERSION_CODES.M)
1695    private void scheduleNextIdlePing() {
1696        final long timeToWake = SystemClock.elapsedRealtime() + (Config.IDLE_PING_INTERVAL * 1000);
1697        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1698        if (alarmManager == null) {
1699            return;
1700        }
1701        final Intent intent = new Intent(this, EventReceiver.class);
1702        intent.setAction(ACTION_IDLE_PING);
1703        try {
1704            final PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, s()
1705                    ? PendingIntent.FLAG_IMMUTABLE | PendingIntent.FLAG_UPDATE_CURRENT
1706                    : PendingIntent.FLAG_UPDATE_CURRENT);
1707            alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1708        } catch (RuntimeException e) {
1709            Log.d(Config.LOGTAG, "unable to schedule alarm for idle ping", e);
1710        }
1711    }
1712
1713    public XmppConnection createConnection(final Account account) {
1714        final XmppConnection connection = new XmppConnection(account, this);
1715        connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1716        connection.setOnStatusChangedListener(this.statusListener);
1717        connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1718        connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1719        connection.setOnJinglePacketReceivedListener((mJingleConnectionManager::deliverPacket));
1720        connection.setOnBindListener(this.mOnBindListener);
1721        connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1722        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1723        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1724        AxolotlService axolotlService = account.getAxolotlService();
1725        if (axolotlService != null) {
1726            connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1727        }
1728        return connection;
1729    }
1730
1731    public void sendChatState(Conversation conversation) {
1732        if (sendChatStates()) {
1733            MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1734            sendMessagePacket(conversation.getAccount(), packet);
1735        }
1736    }
1737
1738    private void sendFileMessage(final Message message, final boolean delay) {
1739        Log.d(Config.LOGTAG, "send file message");
1740        final Account account = message.getConversation().getAccount();
1741        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1742                || message.getConversation().getMode() == Conversation.MODE_MULTI) {
1743            mHttpConnectionManager.createNewUploadConnection(message, delay);
1744        } else {
1745            mJingleConnectionManager.startJingleFileTransfer(message);
1746        }
1747    }
1748
1749    public void sendMessage(final Message message) {
1750        sendMessage(message, false, false, false);
1751    }
1752
1753    private void sendMessage(final Message message, final boolean resend, final boolean previewedLinks, final boolean delay) {
1754        final Account account = message.getConversation().getAccount();
1755        if (account.setShowErrorNotification(true)) {
1756            databaseBackend.updateAccount(account);
1757            mNotificationService.updateErrorNotification();
1758        }
1759        final Conversation conversation = (Conversation) message.getConversation();
1760        account.deactivateGracePeriod();
1761
1762
1763        if (QuickConversationsService.isQuicksy() && conversation.getMode() == Conversation.MODE_SINGLE) {
1764            final Contact contact = conversation.getContact();
1765            if (!contact.showInRoster() && contact.getOption(Contact.Options.SYNCED_VIA_OTHER)) {
1766                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": adding " + contact.getJid() + " on sending message");
1767                createContact(contact, true);
1768            }
1769        }
1770
1771        MessagePacket packet = null;
1772        final boolean addToConversation = !message.edited() && message.getQuoteableBody() != null;
1773        boolean saveInDb = addToConversation;
1774        message.setStatus(Message.STATUS_WAITING);
1775
1776        if (message.getEncryption() != Message.ENCRYPTION_NONE && conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous()) {
1777            if (conversation.setAttribute(Conversation.ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS, true)) {
1778                databaseBackend.updateConversation(conversation);
1779            }
1780        }
1781
1782        final boolean inProgressJoin = isJoinInProgress(conversation);
1783
1784        if (message.getCounterpart() == null && !message.isPrivateMessage()) {
1785            message.setCounterpart(message.getConversation().getJid().asBareJid());
1786        }
1787
1788        boolean waitForPreview = false;
1789        if (getPreferences().getBoolean("send_link_previews", true) && !previewedLinks && !message.needsUploading()) {
1790            final List<URI> links = message.getLinks();
1791            if (!links.isEmpty()) {
1792                waitForPreview = true;
1793                if (account.isOnlineAndConnected()) {
1794                    FILE_ATTACHMENT_EXECUTOR.execute(() -> {
1795                        for (URI link : links) {
1796                            if ("https".equals(link.getScheme())) {
1797                                try {
1798                                    HttpUrl url = HttpUrl.parse(link.toString());
1799                                    OkHttpClient http = getHttpConnectionManager().buildHttpClient(url, account, 5, false);
1800                                    okhttp3.Response response = http.newCall(new okhttp3.Request.Builder().url(url).head().build()).execute();
1801                                    final String mimeType = response.header("Content-Type") == null ? "" : response.header("Content-Type");
1802                                    final boolean image = mimeType.startsWith("image/");
1803                                    final boolean audio = mimeType.startsWith("audio/");
1804                                    final boolean video = mimeType.startsWith("video/");
1805                                    final boolean pdf = mimeType.equals("application/pdf");
1806                                    final boolean html = mimeType.startsWith("text/html") || mimeType.startsWith("application/xhtml+xml");
1807                                    if (response.isSuccessful() && (image || audio || video || pdf)) {
1808                                        Message.FileParams params = message.getFileParams();
1809                                        params.url = url.toString();
1810                                        if (response.header("Content-Length") != null) params.size = Long.parseLong(response.header("Content-Length"), 10);
1811                                        if (!Message.configurePrivateFileMessage(message)) {
1812                                            message.setType(image ? Message.TYPE_IMAGE : Message.TYPE_FILE);
1813                                        }
1814                                        params.setName(HttpConnectionManager.extractFilenameFromResponse(response));
1815
1816                                        if (link.toString().equals(message.getQuoteableBody())) {
1817                                            Element fallback = new Element("fallback", "urn:xmpp:fallback:0").setAttribute("for", Namespace.OOB);
1818                                            fallback.addChild("body", "urn:xmpp:fallback:0");
1819                                            message.addPayload(fallback);
1820                                        } else if (message.getQuoteableBody().indexOf(link.toString()) >= 0) {
1821                                            // Part of the real body, not just a fallback
1822                                            Element fallback = new Element("fallback", "urn:xmpp:fallback:0").setAttribute("for", Namespace.OOB);
1823                                            fallback.addChild("body", "urn:xmpp:fallback:0")
1824                                                .setAttribute("start", "0")
1825                                                .setAttribute("end", "0");
1826                                            message.addPayload(fallback);
1827                                        }
1828
1829                                        getHttpConnectionManager().createNewDownloadConnection(message, false, (file) -> {
1830                                            synchronized (message.getConversation()) {
1831                                                if (message.getStatus() == Message.STATUS_WAITING) sendMessage(message, true, true, false);
1832                                            }
1833                                        });
1834                                        return;
1835                                    } else if (response.isSuccessful() && html) {
1836                                        Semaphore waiter = new Semaphore(0);
1837                                        OpenGraphParser.Builder openGraphBuilder = new OpenGraphParser.Builder(new OpenGraphCallback() {
1838                                            @Override
1839                                            public void onPostResponse(OpenGraphResult result) {
1840                                                Element rdf = new Element("Description", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
1841                                                rdf.setAttribute("xmlns:rdf", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
1842                                                rdf.setAttribute("rdf:about", link.toString());
1843                                                if (result.getTitle() != null && !"".equals(result.getTitle())) {
1844                                                    rdf.addChild("title", "https://ogp.me/ns#").setContent(result.getTitle());
1845                                                }
1846                                                if (result.getDescription() != null && !"".equals(result.getDescription())) {
1847                                                    rdf.addChild("description", "https://ogp.me/ns#").setContent(result.getDescription());
1848                                                }
1849                                                if (result.getUrl() != null) {
1850                                                    rdf.addChild("url", "https://ogp.me/ns#").setContent(result.getUrl());
1851                                                }
1852                                                if (result.getImage() != null) {
1853                                                    rdf.addChild("image", "https://ogp.me/ns#").setContent(result.getImage());
1854                                                }
1855                                                if (result.getType() != null) {
1856                                                    rdf.addChild("type", "https://ogp.me/ns#").setContent(result.getType());
1857                                                }
1858                                                if (result.getSiteName() != null) {
1859                                                    rdf.addChild("site_name", "https://ogp.me/ns#").setContent(result.getSiteName());
1860                                                }
1861                                                message.addPayload(rdf);
1862                                                waiter.release();
1863                                            }
1864
1865                                            public void onError(String error) {
1866                                                waiter.release();
1867                                            }
1868                                        })
1869                                            .showNullOnEmpty(true)
1870                                            .maxBodySize(4000)
1871                                            .timeout(5000);
1872                                        if (useTorToConnect()) {
1873                                            openGraphBuilder = openGraphBuilder.jsoupProxy(new JsoupProxy("127.0.0.1", 8118));
1874                                        }
1875                                        openGraphBuilder.build().parse(link.toString());
1876                                        waiter.tryAcquire(10L, TimeUnit.SECONDS);
1877                                    }
1878                                } catch (final IOException | InterruptedException e) {  }
1879                            }
1880                        }
1881                        synchronized (message.getConversation()) {
1882                            if (message.getStatus() == Message.STATUS_WAITING) sendMessage(message, true, true, false);
1883                        }
1884                    });
1885                }
1886            }
1887        }
1888
1889        if (account.isOnlineAndConnected() && !inProgressJoin && !waitForPreview) {
1890            switch (message.getEncryption()) {
1891                case Message.ENCRYPTION_NONE:
1892                    if (message.needsUploading()) {
1893                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1894                                || conversation.getMode() == Conversation.MODE_MULTI
1895                                || message.fixCounterpart()) {
1896                            this.sendFileMessage(message, delay);
1897                        } else {
1898                            break;
1899                        }
1900                    } else {
1901                        packet = mMessageGenerator.generateChat(message);
1902                    }
1903                    break;
1904                case Message.ENCRYPTION_PGP:
1905                case Message.ENCRYPTION_DECRYPTED:
1906                    if (message.needsUploading()) {
1907                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1908                                || conversation.getMode() == Conversation.MODE_MULTI
1909                                || message.fixCounterpart()) {
1910                            this.sendFileMessage(message, delay);
1911                        } else {
1912                            break;
1913                        }
1914                    } else {
1915                        packet = mMessageGenerator.generatePgpChat(message);
1916                    }
1917                    break;
1918                case Message.ENCRYPTION_AXOLOTL:
1919                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1920                    if (message.needsUploading()) {
1921                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1922                                || conversation.getMode() == Conversation.MODE_MULTI
1923                                || message.fixCounterpart()) {
1924                            this.sendFileMessage(message, delay);
1925                        } else {
1926                            break;
1927                        }
1928                    } else {
1929                        XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1930                        if (axolotlMessage == null) {
1931                            account.getAxolotlService().preparePayloadMessage(message, delay);
1932                        } else {
1933                            packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1934                        }
1935                    }
1936                    break;
1937
1938            }
1939            if (packet != null) {
1940                if (account.getXmppConnection().getFeatures().sm()
1941                        || (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1942                    message.setStatus(Message.STATUS_UNSEND);
1943                } else {
1944                    message.setStatus(Message.STATUS_SEND);
1945                }
1946            }
1947        } else {
1948            switch (message.getEncryption()) {
1949                case Message.ENCRYPTION_DECRYPTED:
1950                    if (!message.needsUploading()) {
1951                        String pgpBody = message.getEncryptedBody();
1952                        String decryptedBody = message.getBody();
1953                        message.setBody(pgpBody); //TODO might throw NPE
1954                        message.setEncryption(Message.ENCRYPTION_PGP);
1955                        if (message.edited()) {
1956                            message.setBody(decryptedBody);
1957                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1958                            if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1959                                Log.e(Config.LOGTAG, "error updated message in DB after edit");
1960                            }
1961                            updateConversationUi();
1962                            return;
1963                        } else {
1964                            databaseBackend.createMessage(message);
1965                            saveInDb = false;
1966                            message.setBody(decryptedBody);
1967                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1968                        }
1969                    }
1970                    break;
1971                case Message.ENCRYPTION_AXOLOTL:
1972                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1973                    break;
1974            }
1975        }
1976
1977
1978        boolean mucMessage = conversation.getMode() == Conversation.MODE_MULTI && !message.isPrivateMessage();
1979        if (mucMessage) {
1980            message.setCounterpart(conversation.getMucOptions().getSelf().getFullJid());
1981        }
1982
1983        if (resend) {
1984            if (packet != null && addToConversation) {
1985                if (account.getXmppConnection().getFeatures().sm() || mucMessage) {
1986                    markMessage(message, Message.STATUS_UNSEND);
1987                } else {
1988                    markMessage(message, Message.STATUS_SEND);
1989                }
1990            }
1991        } else {
1992            if (addToConversation) {
1993                conversation.add(message);
1994            }
1995            if (saveInDb) {
1996                databaseBackend.createMessage(message);
1997            } else if (message.edited()) {
1998                if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1999                    Log.e(Config.LOGTAG, "error updated message in DB after edit");
2000                }
2001            }
2002            updateConversationUi();
2003        }
2004        if (packet != null) {
2005            if (delay) {
2006                mMessageGenerator.addDelay(packet, message.getTimeSent());
2007            }
2008            if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
2009                if (this.sendChatStates()) {
2010                    packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
2011                }
2012            }
2013            sendMessagePacket(account, packet);
2014            if (message.getConversation().getMode() == Conversation.MODE_MULTI && message.hasCustomEmoji()) {
2015                if (message.getConversation() instanceof Conversation) presenceToMuc((Conversation) message.getConversation());
2016            }
2017        }
2018    }
2019
2020    private boolean isJoinInProgress(final Conversation conversation) {
2021        final Account account = conversation.getAccount();
2022        synchronized (account.inProgressConferenceJoins) {
2023            if (conversation.getMode() == Conversational.MODE_MULTI) {
2024                final boolean inProgress = account.inProgressConferenceJoins.contains(conversation);
2025                final boolean pending = account.pendingConferenceJoins.contains(conversation);
2026                final boolean inProgressJoin = inProgress || pending;
2027                if (inProgressJoin) {
2028                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": holding back message to group. inProgress=" + inProgress + ", pending=" + pending);
2029                }
2030                return inProgressJoin;
2031            } else {
2032                return false;
2033            }
2034        }
2035    }
2036
2037    private void sendUnsentMessages(final Conversation conversation) {
2038        synchronized (conversation) {
2039            conversation.findWaitingMessages(message -> resendMessage(message, true));
2040        }
2041    }
2042
2043    public void resendMessage(final Message message, final boolean delay) {
2044        sendMessage(message, true, false, delay);
2045    }
2046
2047    public Pair<Account,Account> onboardingIncomplete() {
2048        if (getAccounts().size() != 2) return null;
2049        Account onboarding = null;
2050        Account newAccount = null;
2051        for (final Account account : getAccounts()) {
2052            if (account.getJid().getDomain().equals(Config.ONBOARDING_DOMAIN)) {
2053                onboarding = account;
2054            } else {
2055                newAccount = account;
2056            }
2057        }
2058
2059        if (onboarding != null && newAccount != null) {
2060            return new Pair<>(onboarding, newAccount);
2061        }
2062
2063        return null;
2064    }
2065
2066    public boolean isOnboarding() {
2067        return getAccounts().size() == 1 && getAccounts().get(0).getJid().getDomain().equals(Config.ONBOARDING_DOMAIN);
2068    }
2069
2070    public void requestEasyOnboardingInvite(final Account account, final EasyOnboardingInvite.OnInviteRequested callback) {
2071        final XmppConnection connection = account.getXmppConnection();
2072        final Jid jid = connection == null ? null : connection.getJidForCommand(Namespace.EASY_ONBOARDING_INVITE);
2073        if (jid == null) {
2074            callback.inviteRequestFailed(getString(R.string.server_does_not_support_easy_onboarding_invites));
2075            return;
2076        }
2077        final IqPacket request = new IqPacket(IqPacket.TYPE.SET);
2078        request.setTo(jid);
2079        final Element command = request.addChild("command", Namespace.COMMANDS);
2080        command.setAttribute("node", Namespace.EASY_ONBOARDING_INVITE);
2081        command.setAttribute("action", "execute");
2082        sendIqPacket(account, request, (a, response) -> {
2083            if (response.getType() == IqPacket.TYPE.RESULT) {
2084                final Element resultCommand = response.findChild("command", Namespace.COMMANDS);
2085                final Element x = resultCommand == null ? null : resultCommand.findChild("x", Namespace.DATA);
2086                if (x != null) {
2087                    final Data data = Data.parse(x);
2088                    final String uri = data.getValue("uri");
2089                    final String landingUrl = data.getValue("landing-url");
2090                    if (uri != null) {
2091                        final EasyOnboardingInvite invite = new EasyOnboardingInvite(jid.getDomain().toEscapedString(), uri, landingUrl);
2092                        callback.inviteRequested(invite);
2093                        return;
2094                    }
2095                }
2096                callback.inviteRequestFailed(getString(R.string.unable_to_parse_invite));
2097                Log.d(Config.LOGTAG, response.toString());
2098            } else if (response.getType() == IqPacket.TYPE.ERROR) {
2099                callback.inviteRequestFailed(IqParser.errorMessage(response));
2100            } else {
2101                callback.inviteRequestFailed(getString(R.string.remote_server_timeout));
2102            }
2103        });
2104
2105    }
2106
2107    public void fetchRosterFromServer(final Account account) {
2108        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
2109        if (!"".equals(account.getRosterVersion())) {
2110            Log.d(Config.LOGTAG, account.getJid().asBareJid()
2111                    + ": fetching roster version " + account.getRosterVersion());
2112        } else {
2113            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching roster");
2114        }
2115        iqPacket.query(Namespace.ROSTER).setAttribute("ver", account.getRosterVersion());
2116        sendIqPacket(account, iqPacket, mIqParser);
2117    }
2118
2119    public void fetchBookmarks(final Account account) {
2120        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
2121        final Element query = iqPacket.query("jabber:iq:private");
2122        query.addChild("storage", Namespace.BOOKMARKS);
2123        final OnIqPacketReceived callback = (a, response) -> {
2124            if (response.getType() == IqPacket.TYPE.RESULT) {
2125                final Element query1 = response.query();
2126                final Element storage = query1.findChild("storage", "storage:bookmarks");
2127                Map<Jid, Bookmark> bookmarks = Bookmark.parseFromStorage(storage, account);
2128                processBookmarksInitial(a, bookmarks, false);
2129            } else {
2130                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": could not fetch bookmarks");
2131            }
2132        };
2133        sendIqPacket(account, iqPacket, callback);
2134    }
2135
2136    public void fetchBookmarks2(final Account account) {
2137        final IqPacket retrieve = mIqGenerator.retrieveBookmarks();
2138        sendIqPacket(account, retrieve, new OnIqPacketReceived() {
2139            @Override
2140            public void onIqPacketReceived(final Account account, final IqPacket response) {
2141                if (response.getType() == IqPacket.TYPE.RESULT) {
2142                    final Element pubsub = response.findChild("pubsub", Namespace.PUBSUB);
2143                    final Map<Jid, Bookmark> bookmarks = Bookmark.parseFromPubsub(pubsub, account);
2144                    processBookmarksInitial(account, bookmarks, true);
2145                }
2146            }
2147        });
2148    }
2149
2150    public void processBookmarksInitial(Account account, Map<Jid, Bookmark> bookmarks, final boolean pep) {
2151        final Set<Jid> previousBookmarks = account.getBookmarkedJids();
2152        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
2153        for (Bookmark bookmark : bookmarks.values()) {
2154            previousBookmarks.remove(bookmark.getJid().asBareJid());
2155            processModifiedBookmark(bookmark, pep, synchronizeWithBookmarks);
2156        }
2157        if (pep && synchronizeWithBookmarks) {
2158            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": " + previousBookmarks.size() + " bookmarks have been removed");
2159            for (Jid jid : previousBookmarks) {
2160                processDeletedBookmark(account, jid);
2161            }
2162        }
2163        account.setBookmarks(bookmarks);
2164    }
2165
2166    public void processDeletedBookmark(Account account, Jid jid) {
2167        final Conversation conversation = find(account, jid);
2168        if (conversation != null && conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
2169            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving destroyed conference (" + conversation.getJid() + ") after receiving pep");
2170            archiveConversation(conversation, false);
2171        }
2172    }
2173
2174    private void processModifiedBookmark(Bookmark bookmark, final boolean pep, final boolean synchronizeWithBookmarks) {
2175        final Account account = bookmark.getAccount();
2176        Conversation conversation = find(bookmark);
2177        if (conversation != null) {
2178            if (conversation.getMode() != Conversation.MODE_MULTI) {
2179                return;
2180            }
2181            bookmark.setConversation(conversation);
2182            if (pep && synchronizeWithBookmarks && !bookmark.autojoin()) {
2183                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conference (" + conversation.getJid() + ") after receiving pep");
2184                archiveConversation(conversation, false);
2185            } else {
2186                final MucOptions mucOptions = conversation.getMucOptions();
2187                if (mucOptions.getError() == MucOptions.Error.NICK_IN_USE) {
2188                    final String current = mucOptions.getActualNick();
2189                    final String proposed = mucOptions.getProposedNick();
2190                    if (current != null && !current.equals(proposed)) {
2191                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": proposed nick changed after bookmark push " + current + "->" + proposed);
2192                        joinMuc(conversation);
2193                    }
2194                }
2195            }
2196        } else if (synchronizeWithBookmarks && bookmark.autojoin()) {
2197            conversation = findOrCreateConversation(account, bookmark.getFullJid(), true, true, false);
2198            bookmark.setConversation(conversation);
2199        }
2200    }
2201
2202    public void processModifiedBookmark(Bookmark bookmark) {
2203        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
2204        processModifiedBookmark(bookmark, true, synchronizeWithBookmarks);
2205    }
2206
2207    public void createBookmark(final Account account, final Bookmark bookmark) {
2208        account.putBookmark(bookmark);
2209        final XmppConnection connection = account.getXmppConnection();
2210        if (connection == null) {
2211            Log.d(Config.LOGTAG, account.getJid().asBareJid()+": no connection. ignoring bookmark creation");
2212        } else if (connection.getFeatures().bookmarks2()) {
2213            final Element item = mIqGenerator.publishBookmarkItem(bookmark);
2214            pushNodeAndEnforcePublishOptions(account, Namespace.BOOKMARKS2, item, bookmark.getJid().asBareJid().toEscapedString(), PublishOptions.persistentWhitelistAccessMaxItems());
2215        } else if (connection.getFeatures().bookmarksConversion()) {
2216            pushBookmarksPep(account);
2217        } else {
2218            pushBookmarksPrivateXml(account);
2219        }
2220    }
2221
2222    public void deleteBookmark(final Account account, final Bookmark bookmark) {
2223        if (bookmark.getJid().toString().equals("discuss@conference.soprani.ca")) {
2224            getPreferences().edit().putBoolean("cheogram_sopranica_bookmark_deleted", true).apply();
2225        }
2226        account.removeBookmark(bookmark);
2227        final XmppConnection connection = account.getXmppConnection();
2228        if (connection == null) return;
2229
2230        if (connection.getFeatures().bookmarks2()) {
2231            IqPacket request = mIqGenerator.deleteItem(Namespace.BOOKMARKS2, bookmark.getJid().asBareJid().toEscapedString());
2232            sendIqPacket(account, request, (a, response) -> {
2233                if (response.getType() == IqPacket.TYPE.ERROR) {
2234                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": unable to delete bookmark " + response.getErrorCondition());
2235                }
2236            });
2237        } else if (connection.getFeatures().bookmarksConversion()) {
2238            pushBookmarksPep(account);
2239        } else {
2240            pushBookmarksPrivateXml(account);
2241        }
2242    }
2243
2244    private void pushBookmarksPrivateXml(Account account) {
2245        if (!account.areBookmarksLoaded()) return;
2246
2247        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via private xml");
2248        IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
2249        Element query = iqPacket.query("jabber:iq:private");
2250        Element storage = query.addChild("storage", "storage:bookmarks");
2251        for (final Bookmark bookmark : account.getBookmarks()) {
2252            storage.addChild(bookmark);
2253        }
2254        sendIqPacket(account, iqPacket, mDefaultIqHandler);
2255    }
2256
2257    private void pushBookmarksPep(Account account) {
2258        if (!account.areBookmarksLoaded()) return;
2259
2260        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via pep");
2261        final Element storage = new Element("storage", "storage:bookmarks");
2262        for (final Bookmark bookmark : account.getBookmarks()) {
2263            storage.addChild(bookmark);
2264        }
2265        pushNodeAndEnforcePublishOptions(account, Namespace.BOOKMARKS, storage, "current", PublishOptions.persistentWhitelistAccess());
2266
2267    }
2268
2269    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options) {
2270        pushNodeAndEnforcePublishOptions(account, node, element, id, options, true);
2271
2272    }
2273
2274    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options, final boolean retry) {
2275        final IqPacket packet = mIqGenerator.publishElement(node, element, id, options);
2276        sendIqPacket(account, packet, (a, response) -> {
2277            if (response.getType() == IqPacket.TYPE.RESULT) {
2278                return;
2279            }
2280            if (retry && PublishOptions.preconditionNotMet(response)) {
2281                pushNodeConfiguration(account, node, options, new OnConfigurationPushed() {
2282                    @Override
2283                    public void onPushSucceeded() {
2284                        pushNodeAndEnforcePublishOptions(account, node, element, id, options, false);
2285                    }
2286
2287                    @Override
2288                    public void onPushFailed() {
2289                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to push node configuration (" + node + ")");
2290                    }
2291                });
2292            } else {
2293                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error publishing bookmarks (retry=" + retry + ") " + response);
2294            }
2295        });
2296    }
2297
2298    private void restoreFromDatabase() {
2299        synchronized (this.conversations) {
2300            final Map<String, Account> accountLookupTable = new Hashtable<>();
2301            for (Account account : this.accounts) {
2302                accountLookupTable.put(account.getUuid(), account);
2303            }
2304            Log.d(Config.LOGTAG, "restoring conversations...");
2305            final long startTimeConversationsRestore = SystemClock.elapsedRealtime();
2306            this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
2307            for (Iterator<Conversation> iterator = conversations.listIterator(); iterator.hasNext(); ) {
2308                Conversation conversation = iterator.next();
2309                Account account = accountLookupTable.get(conversation.getAccountUuid());
2310                if (account != null) {
2311                    conversation.setAccount(account);
2312                } else {
2313                    Log.e(Config.LOGTAG, "unable to restore Conversations with " + conversation.getJid());
2314                    iterator.remove();
2315                }
2316            }
2317            long diffConversationsRestore = SystemClock.elapsedRealtime() - startTimeConversationsRestore;
2318            Log.d(Config.LOGTAG, "finished restoring conversations in " + diffConversationsRestore + "ms");
2319            Runnable runnable = () -> {
2320                if (DatabaseBackend.requiresMessageIndexRebuild()) {
2321                    DatabaseBackend.getInstance(this).rebuildMessagesIndex();
2322                }
2323                final long deletionDate = getAutomaticMessageDeletionDate();
2324                mLastExpiryRun.set(SystemClock.elapsedRealtime());
2325                if (deletionDate > 0) {
2326                    Log.d(Config.LOGTAG, "deleting messages that are older than " + AbstractGenerator.getTimestamp(deletionDate));
2327                    databaseBackend.expireOldMessages(deletionDate);
2328                }
2329                Log.d(Config.LOGTAG, "restoring roster...");
2330                for (final Account account : accounts) {
2331                    databaseBackend.readRoster(account.getRoster());
2332                    account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
2333                }
2334                getDrawableCache().evictAll();
2335                loadPhoneContacts();
2336                Log.d(Config.LOGTAG, "restoring messages...");
2337                final long startMessageRestore = SystemClock.elapsedRealtime();
2338                final Conversation quickLoad = QuickLoader.get(this.conversations);
2339                if (quickLoad != null) {
2340                    restoreMessages(quickLoad);
2341                    updateConversationUi();
2342                    final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
2343                    Log.d(Config.LOGTAG, "quickly restored " + quickLoad.getName() + " after " + diffMessageRestore + "ms");
2344                }
2345                for (Conversation conversation : this.conversations) {
2346                    if (quickLoad != conversation) {
2347                        restoreMessages(conversation);
2348                    }
2349                }
2350                mNotificationService.finishBacklog();
2351                restoredFromDatabaseLatch.countDown();
2352                final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
2353                Log.d(Config.LOGTAG, "finished restoring messages in " + diffMessageRestore + "ms");
2354                updateConversationUi();
2355            };
2356            mDatabaseReaderExecutor.execute(runnable); //will contain one write command (expiry) but that's fine
2357        }
2358    }
2359
2360    private void restoreMessages(Conversation conversation) {
2361        conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
2362        conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
2363        conversation.findUnreadMessagesAndCalls(mNotificationService::pushFromBacklog);
2364    }
2365
2366    public void loadPhoneContacts() {
2367        mContactMergerExecutor.execute(() -> {
2368            final Map<Jid, JabberIdContact> contacts = JabberIdContact.load(this);
2369            Log.d(Config.LOGTAG, "start merging phone contacts with roster");
2370            for (final Account account : accounts) {
2371                final List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts(JabberIdContact.class);
2372                for (final JabberIdContact jidContact : contacts.values()) {
2373                    final Contact contact = account.getRoster().getContact(jidContact.getJid());
2374                    boolean needsCacheClean = contact.setPhoneContact(jidContact);
2375                    if (needsCacheClean) {
2376                        getAvatarService().clear(contact);
2377                    }
2378                    withSystemAccounts.remove(contact);
2379                }
2380                for (final Contact contact : withSystemAccounts) {
2381                    boolean needsCacheClean = contact.unsetPhoneContact(JabberIdContact.class);
2382                    if (needsCacheClean) {
2383                        getAvatarService().clear(contact);
2384                    }
2385                }
2386            }
2387            Log.d(Config.LOGTAG, "finished merging phone contacts");
2388            mShortcutService.refresh(mInitialAddressbookSyncCompleted.compareAndSet(false, true));
2389            updateRosterUi();
2390            mQuickConversationsService.considerSync();
2391        });
2392    }
2393
2394
2395    public void syncRoster(final Account account) {
2396        mRosterSyncTaskManager.execute(account, () -> {
2397            unregisterPhoneAccounts(account);
2398            databaseBackend.writeRoster(account.getRoster());
2399            try { Thread.sleep(500); } catch (InterruptedException e) { }
2400        });
2401    }
2402
2403    public List<Conversation> getConversations() {
2404        return this.conversations;
2405    }
2406
2407    private void markFileDeleted(final File file) {
2408        synchronized (FILENAMES_TO_IGNORE_DELETION) {
2409            if (FILENAMES_TO_IGNORE_DELETION.remove(file.getAbsolutePath())) {
2410                Log.d(Config.LOGTAG, "ignored deletion of " + file.getAbsolutePath());
2411                return;
2412            }
2413        }
2414        final boolean isInternalFile = fileBackend.isInternalFile(file);
2415        final List<String> uuids = databaseBackend.markFileAsDeleted(file, isInternalFile);
2416        Log.d(Config.LOGTAG, "deleted file " + file.getAbsolutePath() + " internal=" + isInternalFile + ", database hits=" + uuids.size());
2417        markUuidsAsDeletedFiles(uuids);
2418    }
2419
2420    private void markUuidsAsDeletedFiles(List<String> uuids) {
2421        boolean deleted = false;
2422        for (Conversation conversation : getConversations()) {
2423            deleted |= conversation.markAsDeleted(uuids);
2424        }
2425        for (final String uuid : uuids) {
2426            evictPreview(uuid);
2427        }
2428        if (deleted) {
2429            updateConversationUi();
2430        }
2431    }
2432
2433    private void markChangedFiles(List<DatabaseBackend.FilePathInfo> infos) {
2434        boolean changed = false;
2435        for (Conversation conversation : getConversations()) {
2436            changed |= conversation.markAsChanged(infos);
2437        }
2438        if (changed) {
2439            updateConversationUi();
2440        }
2441    }
2442
2443    public void populateWithOrderedConversations(final List<Conversation> list) {
2444        populateWithOrderedConversations(list, true, true);
2445    }
2446
2447    public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload) {
2448        populateWithOrderedConversations(list, includeNoFileUpload, true);
2449    }
2450
2451    public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload, final boolean sort) {
2452        final List<String> orderedUuids;
2453        if (sort) {
2454            orderedUuids = null;
2455        } else {
2456            orderedUuids = new ArrayList<>();
2457            for (Conversation conversation : list) {
2458                orderedUuids.add(conversation.getUuid());
2459            }
2460        }
2461        list.clear();
2462        if (includeNoFileUpload) {
2463            list.addAll(getConversations());
2464        } else {
2465            for (Conversation conversation : getConversations()) {
2466                if (conversation.getMode() == Conversation.MODE_SINGLE
2467                        || (conversation.getAccount().httpUploadAvailable() && conversation.getMucOptions().participating())) {
2468                    list.add(conversation);
2469                }
2470            }
2471        }
2472        try {
2473            if (orderedUuids != null) {
2474                Collections.sort(list, (a, b) -> {
2475                    final int indexA = orderedUuids.indexOf(a.getUuid());
2476                    final int indexB = orderedUuids.indexOf(b.getUuid());
2477                    if (indexA == -1 || indexB == -1 || indexA == indexB) {
2478                        return a.compareTo(b);
2479                    }
2480                    return indexA - indexB;
2481                });
2482            } else {
2483                Collections.sort(list);
2484            }
2485        } catch (IllegalArgumentException e) {
2486            //ignore
2487        }
2488    }
2489
2490    public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
2491        if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
2492            return;
2493        } else if (timestamp == 0) {
2494            return;
2495        }
2496        Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
2497        final Runnable runnable = () -> {
2498            final Account account = conversation.getAccount();
2499            List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
2500            if (messages.size() > 0) {
2501                conversation.addAll(0, messages);
2502                callback.onMoreMessagesLoaded(messages.size(), conversation);
2503            } else if (conversation.hasMessagesLeftOnServer()
2504                    && account.isOnlineAndConnected()
2505                    && conversation.getLastClearHistory().getTimestamp() == 0) {
2506                final boolean mamAvailable;
2507                if (conversation.getMode() == Conversation.MODE_SINGLE) {
2508                    mamAvailable = account.getXmppConnection().getFeatures().mam() && !conversation.getContact().isBlocked();
2509                } else {
2510                    mamAvailable = conversation.getMucOptions().mamSupport();
2511                }
2512                if (mamAvailable) {
2513                    MessageArchiveService.Query query = getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
2514                    if (query != null) {
2515                        query.setCallback(callback);
2516                        callback.informUser(R.string.fetching_history_from_server);
2517                    } else {
2518                        callback.informUser(R.string.not_fetching_history_retention_period);
2519                    }
2520
2521                }
2522            }
2523        };
2524        mDatabaseReaderExecutor.execute(runnable);
2525    }
2526
2527    public List<Account> getAccounts() {
2528        return this.accounts;
2529    }
2530
2531
2532    /**
2533     * 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)
2534     */
2535    public List<Conversation> findAllConferencesWith(Contact contact) {
2536        final ArrayList<Conversation> results = new ArrayList<>();
2537        for (final Conversation c : conversations) {
2538            if (c.getMode() != Conversation.MODE_MULTI) {
2539                continue;
2540            }
2541            final MucOptions mucOptions = c.getMucOptions();
2542            if (c.getJid().asBareJid().equals(contact.getJid().asBareJid()) || (mucOptions != null && mucOptions.isContactInRoom(contact))) {
2543                results.add(c);
2544            }
2545        }
2546        return results;
2547    }
2548
2549    public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
2550        for (final Conversation conversation : haystack) {
2551            if (conversation.getContact() == contact) {
2552                return conversation;
2553            }
2554        }
2555        return null;
2556    }
2557
2558    public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
2559        if (jid == null) {
2560            return null;
2561        }
2562        for (final Conversation conversation : haystack) {
2563            if ((account == null || conversation.getAccount() == account)
2564                    && (conversation.getJid().asBareJid().equals(jid.asBareJid()))) {
2565                return conversation;
2566            }
2567        }
2568        return null;
2569    }
2570
2571    public boolean isConversationsListEmpty(final Conversation ignore) {
2572        synchronized (this.conversations) {
2573            final int size = this.conversations.size();
2574            return size == 0 || size == 1 && this.conversations.get(0) == ignore;
2575        }
2576    }
2577
2578    public boolean isConversationStillOpen(final Conversation conversation) {
2579        synchronized (this.conversations) {
2580            for (Conversation current : this.conversations) {
2581                if (current == conversation) {
2582                    return true;
2583                }
2584            }
2585        }
2586        return false;
2587    }
2588
2589    public Conversation findOrCreateConversation(Account account, Jid jid, boolean muc, final boolean async) {
2590        return this.findOrCreateConversation(account, jid, muc, false, async);
2591    }
2592
2593    public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final boolean async) {
2594        return this.findOrCreateConversation(account, jid, muc, joinAfterCreate, null, async);
2595    }
2596
2597    public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final MessageArchiveService.Query query, final boolean async) {
2598        synchronized (this.conversations) {
2599            Conversation conversation = find(account, jid);
2600            if (conversation != null) {
2601                return conversation;
2602            }
2603            conversation = databaseBackend.findConversation(account, jid);
2604            final boolean loadMessagesFromDb;
2605            if (conversation != null) {
2606                conversation.setStatus(Conversation.STATUS_AVAILABLE);
2607                conversation.setAccount(account);
2608                if (muc) {
2609                    conversation.setMode(Conversation.MODE_MULTI);
2610                    conversation.setContactJid(jid);
2611                } else {
2612                    conversation.setMode(Conversation.MODE_SINGLE);
2613                    conversation.setContactJid(jid.asBareJid());
2614                }
2615                databaseBackend.updateConversation(conversation);
2616                loadMessagesFromDb = conversation.messagesLoaded.compareAndSet(true, false);
2617            } else {
2618                String conversationName;
2619                Contact contact = account.getRoster().getContact(jid);
2620                if (contact != null) {
2621                    conversationName = contact.getDisplayName();
2622                } else {
2623                    conversationName = jid.getLocal();
2624                }
2625                if (muc) {
2626                    conversation = new Conversation(conversationName, account, jid,
2627                            Conversation.MODE_MULTI);
2628                } else {
2629                    conversation = new Conversation(conversationName, account, jid.asBareJid(),
2630                            Conversation.MODE_SINGLE);
2631                }
2632                this.databaseBackend.createConversation(conversation);
2633                loadMessagesFromDb = false;
2634            }
2635            final Conversation c = conversation;
2636            final Runnable runnable = () -> {
2637                if (loadMessagesFromDb) {
2638                    c.addAll(0, databaseBackend.getMessages(c, Config.PAGE_SIZE));
2639                    updateConversationUi();
2640                    c.messagesLoaded.set(true);
2641                }
2642                if (account.getXmppConnection() != null
2643                        && !c.getContact().isBlocked()
2644                        && account.getXmppConnection().getFeatures().mam()
2645                        && !muc) {
2646                    if (query == null) {
2647                        mMessageArchiveService.query(c);
2648                    } else {
2649                        if (query.getConversation() == null) {
2650                            mMessageArchiveService.query(c, query.getStart(), query.isCatchup());
2651                        }
2652                    }
2653                }
2654                if (joinAfterCreate) {
2655                    joinMuc(c);
2656                }
2657            };
2658            if (async) {
2659                mDatabaseReaderExecutor.execute(runnable);
2660            } else {
2661                runnable.run();
2662            }
2663            this.conversations.add(conversation);
2664            updateConversationUi();
2665            return conversation;
2666        }
2667    }
2668
2669    public void archiveConversation(Conversation conversation) {
2670        archiveConversation(conversation, true);
2671    }
2672
2673    private void archiveConversation(Conversation conversation, final boolean maySynchronizeWithBookmarks) {
2674        if (isOnboarding()) return;
2675
2676        getNotificationService().clear(conversation);
2677        conversation.setStatus(Conversation.STATUS_ARCHIVED);
2678        conversation.setNextMessage(null);
2679        synchronized (this.conversations) {
2680            getMessageArchiveService().kill(conversation);
2681            if (conversation.getMode() == Conversation.MODE_MULTI) {
2682                if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2683                    final Bookmark bookmark = conversation.getBookmark();
2684                    if (maySynchronizeWithBookmarks && bookmark != null && synchronizeWithBookmarks()) {
2685                        if (conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
2686                            Account account = bookmark.getAccount();
2687                            bookmark.setConversation(null);
2688                            deleteBookmark(account, bookmark);
2689                        } else if (bookmark.autojoin()) {
2690                            bookmark.setAutojoin(false);
2691                            createBookmark(bookmark.getAccount(), bookmark);
2692                        }
2693                    }
2694                }
2695                leaveMuc(conversation);
2696            } else {
2697                if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
2698                    stopPresenceUpdatesTo(conversation.getContact());
2699                }
2700            }
2701            updateConversation(conversation);
2702            this.conversations.remove(conversation);
2703            updateConversationUi();
2704        }
2705    }
2706
2707    public void stopPresenceUpdatesTo(Contact contact) {
2708        Log.d(Config.LOGTAG, "Canceling presence request from " + contact.getJid().toString());
2709        sendPresencePacket(contact.getAccount(), mPresenceGenerator.stopPresenceUpdatesTo(contact));
2710        contact.resetOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
2711    }
2712
2713    public void createAccount(final Account account) {
2714        account.initAccountServices(this);
2715        databaseBackend.createAccount(account);
2716        this.accounts.add(account);
2717        this.reconnectAccountInBackground(account);
2718        updateAccountUi();
2719        syncEnabledAccountSetting();
2720        toggleForegroundService();
2721    }
2722
2723    private void syncEnabledAccountSetting() {
2724        final boolean hasEnabledAccounts = hasEnabledAccounts();
2725        getPreferences().edit().putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
2726        toggleSetProfilePictureActivity(hasEnabledAccounts);
2727    }
2728
2729    private void toggleSetProfilePictureActivity(final boolean enabled) {
2730        try {
2731            final ComponentName name = new ComponentName(this, ChooseAccountForProfilePictureActivity.class);
2732            final int targetState = enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
2733            getPackageManager().setComponentEnabledSetting(name, targetState, PackageManager.DONT_KILL_APP);
2734        } catch (IllegalStateException e) {
2735            Log.d(Config.LOGTAG, "unable to toggle profile picture activity");
2736        }
2737    }
2738
2739    public boolean reconfigurePushDistributor() {
2740        return this.unifiedPushBroker.reconfigurePushDistributor();
2741    }
2742
2743    private Optional<UnifiedPushBroker.Transport> renewUnifiedPushEndpoints(final UnifiedPushBroker.PushTargetMessenger pushTargetMessenger) {
2744        return this.unifiedPushBroker.renewUnifiedPushEndpoints(pushTargetMessenger);
2745    }
2746
2747    public Optional<UnifiedPushBroker.Transport> renewUnifiedPushEndpoints() {
2748        return this.unifiedPushBroker.renewUnifiedPushEndpoints(null);
2749    }
2750
2751    private void provisionAccount(final String address, final String password) {
2752        final Jid jid = Jid.ofEscaped(address);
2753        final Account account = new Account(jid, password);
2754        account.setOption(Account.OPTION_DISABLED, true);
2755        Log.d(Config.LOGTAG, jid.asBareJid().toEscapedString() + ": provisioning account");
2756        createAccount(account);
2757    }
2758
2759    public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
2760        new Thread(() -> {
2761            try {
2762                final X509Certificate[] chain = KeyChain.getCertificateChain(this, alias);
2763                final X509Certificate cert = chain != null && chain.length > 0 ? chain[0] : null;
2764                if (cert == null) {
2765                    callback.informUser(R.string.unable_to_parse_certificate);
2766                    return;
2767                }
2768                Pair<Jid, String> info = CryptoHelper.extractJidAndName(cert);
2769                if (info == null) {
2770                    callback.informUser(R.string.certificate_does_not_contain_jid);
2771                    return;
2772                }
2773                if (findAccountByJid(info.first) == null) {
2774                    final Account account = new Account(info.first, "");
2775                    account.setPrivateKeyAlias(alias);
2776                    account.setOption(Account.OPTION_DISABLED, true);
2777                    account.setOption(Account.OPTION_FIXED_USERNAME, true);
2778                    account.setDisplayName(info.second);
2779                    createAccount(account);
2780                    callback.onAccountCreated(account);
2781                    if (Config.X509_VERIFICATION) {
2782                        try {
2783                            getMemorizingTrustManager().getNonInteractive(account.getServer()).checkClientTrusted(chain, "RSA");
2784                        } catch (CertificateException e) {
2785                            callback.informUser(R.string.certificate_chain_is_not_trusted);
2786                        }
2787                    }
2788                } else {
2789                    callback.informUser(R.string.account_already_exists);
2790                }
2791            } catch (Exception e) {
2792                callback.informUser(R.string.unable_to_parse_certificate);
2793            }
2794        }).start();
2795
2796    }
2797
2798    public void updateKeyInAccount(final Account account, final String alias) {
2799        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": update key in account " + alias);
2800        try {
2801            X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
2802            Log.d(Config.LOGTAG, account.getJid().asBareJid() + " loaded certificate chain");
2803            Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
2804            if (info == null) {
2805                showErrorToastInUi(R.string.certificate_does_not_contain_jid);
2806                return;
2807            }
2808            if (account.getJid().asBareJid().equals(info.first)) {
2809                account.setPrivateKeyAlias(alias);
2810                account.setDisplayName(info.second);
2811                databaseBackend.updateAccount(account);
2812                if (Config.X509_VERIFICATION) {
2813                    try {
2814                        getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
2815                    } catch (CertificateException e) {
2816                        showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
2817                    }
2818                    account.getAxolotlService().regenerateKeys(true);
2819                }
2820            } else {
2821                showErrorToastInUi(R.string.jid_does_not_match_certificate);
2822            }
2823        } catch (Exception e) {
2824            e.printStackTrace();
2825        }
2826    }
2827
2828    public boolean updateAccount(final Account account) {
2829        if (databaseBackend.updateAccount(account)) {
2830            Integer color = account.getColorToSave();
2831            if (color == null) {
2832                getPreferences().edit().remove("account_color:" + account.getUuid()).commit();
2833            } else {
2834                getPreferences().edit().putInt("account_color:" + account.getUuid(), color.intValue()).commit();
2835            }
2836            account.setShowErrorNotification(true);
2837            this.statusListener.onStatusChanged(account);
2838            databaseBackend.updateAccount(account);
2839            reconnectAccountInBackground(account);
2840            updateAccountUi();
2841            getNotificationService().updateErrorNotification();
2842            toggleForegroundService();
2843            syncEnabledAccountSetting();
2844            mChannelDiscoveryService.cleanCache();
2845            return true;
2846        } else {
2847            return false;
2848        }
2849    }
2850
2851    public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
2852        final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
2853        sendIqPacket(account, iq, (a, packet) -> {
2854            if (packet.getType() == IqPacket.TYPE.RESULT) {
2855                a.setPassword(newPassword);
2856                a.setOption(Account.OPTION_MAGIC_CREATE, false);
2857                databaseBackend.updateAccount(a);
2858                callback.onPasswordChangeSucceeded();
2859            } else {
2860                callback.onPasswordChangeFailed();
2861            }
2862        });
2863    }
2864
2865    public void unregisterAccount(final Account account, final Consumer<Boolean> callback) {
2866        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
2867        final Element query = iqPacket.addChild("query",Namespace.REGISTER);
2868        query.addChild("remove");
2869        sendIqPacket(account, iqPacket, (a, response) -> {
2870            if (response.getType() == IqPacket.TYPE.RESULT) {
2871                deleteAccount(a);
2872                callback.accept(true);
2873            } else {
2874                callback.accept(false);
2875            }
2876        });
2877    }
2878
2879    public void deleteAccount(final Account account) {
2880        getPreferences().edit().remove("onboarding_continued").commit();
2881        final boolean connected = account.getStatus() == Account.State.ONLINE;
2882        synchronized (this.conversations) {
2883            if (connected) {
2884                account.getAxolotlService().deleteOmemoIdentity();
2885            }
2886            for (final Conversation conversation : conversations) {
2887                if (conversation.getAccount() == account) {
2888                    if (conversation.getMode() == Conversation.MODE_MULTI) {
2889                        if (connected) {
2890                            leaveMuc(conversation);
2891                        }
2892                    }
2893                    conversations.remove(conversation);
2894                    mNotificationService.clear(conversation);
2895                }
2896            }
2897            new Thread(() -> {
2898                for (final Contact contact : account.getRoster().getContacts()) {
2899                    contact.unregisterAsPhoneAccount(this);
2900                }
2901            }).start();
2902            if (account.getXmppConnection() != null) {
2903                new Thread(() -> disconnect(account, !connected)).start();
2904            }
2905            final Runnable runnable = () -> {
2906                if (!databaseBackend.deleteAccount(account)) {
2907                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to delete account");
2908                }
2909            };
2910            mDatabaseWriterExecutor.execute(runnable);
2911            this.accounts.remove(account);
2912            this.mRosterSyncTaskManager.clear(account);
2913            updateAccountUi();
2914            mNotificationService.updateErrorNotification();
2915            syncEnabledAccountSetting();
2916            toggleForegroundService();
2917        }
2918    }
2919
2920    public void setOnConversationListChangedListener(OnConversationUpdate listener) {
2921        final boolean remainingListeners;
2922        synchronized (LISTENER_LOCK) {
2923            remainingListeners = checkListeners();
2924            if (!this.mOnConversationUpdates.add(listener)) {
2925                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as ConversationListChangedListener");
2926            }
2927            this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2928        }
2929        if (remainingListeners) {
2930            switchToForeground();
2931        }
2932    }
2933
2934    public void removeOnConversationListChangedListener(OnConversationUpdate listener) {
2935        final boolean remainingListeners;
2936        synchronized (LISTENER_LOCK) {
2937            this.mOnConversationUpdates.remove(listener);
2938            this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2939            remainingListeners = checkListeners();
2940        }
2941        if (remainingListeners) {
2942            switchToBackground();
2943        }
2944    }
2945
2946    public void setOnShowErrorToastListener(OnShowErrorToast listener) {
2947        final boolean remainingListeners;
2948        synchronized (LISTENER_LOCK) {
2949            remainingListeners = checkListeners();
2950            if (!this.mOnShowErrorToasts.add(listener)) {
2951                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnShowErrorToastListener");
2952            }
2953        }
2954        if (remainingListeners) {
2955            switchToForeground();
2956        }
2957    }
2958
2959    public void removeOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
2960        final boolean remainingListeners;
2961        synchronized (LISTENER_LOCK) {
2962            this.mOnShowErrorToasts.remove(onShowErrorToast);
2963            remainingListeners = checkListeners();
2964        }
2965        if (remainingListeners) {
2966            switchToBackground();
2967        }
2968    }
2969
2970    public void setOnAccountListChangedListener(OnAccountUpdate listener) {
2971        final boolean remainingListeners;
2972        synchronized (LISTENER_LOCK) {
2973            remainingListeners = checkListeners();
2974            if (!this.mOnAccountUpdates.add(listener)) {
2975                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnAccountListChangedtListener");
2976            }
2977        }
2978        if (remainingListeners) {
2979            switchToForeground();
2980        }
2981    }
2982
2983    public void removeOnAccountListChangedListener(OnAccountUpdate listener) {
2984        final boolean remainingListeners;
2985        synchronized (LISTENER_LOCK) {
2986            this.mOnAccountUpdates.remove(listener);
2987            remainingListeners = checkListeners();
2988        }
2989        if (remainingListeners) {
2990            switchToBackground();
2991        }
2992    }
2993
2994    public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2995        final boolean remainingListeners;
2996        synchronized (LISTENER_LOCK) {
2997            remainingListeners = checkListeners();
2998            if (!this.mOnCaptchaRequested.add(listener)) {
2999                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnCaptchaRequestListener");
3000            }
3001        }
3002        if (remainingListeners) {
3003            switchToForeground();
3004        }
3005    }
3006
3007    public void removeOnCaptchaRequestedListener(OnCaptchaRequested listener) {
3008        final boolean remainingListeners;
3009        synchronized (LISTENER_LOCK) {
3010            this.mOnCaptchaRequested.remove(listener);
3011            remainingListeners = checkListeners();
3012        }
3013        if (remainingListeners) {
3014            switchToBackground();
3015        }
3016    }
3017
3018    public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
3019        final boolean remainingListeners;
3020        synchronized (LISTENER_LOCK) {
3021            remainingListeners = checkListeners();
3022            if (!this.mOnRosterUpdates.add(listener)) {
3023                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnRosterUpdateListener");
3024            }
3025        }
3026        if (remainingListeners) {
3027            switchToForeground();
3028        }
3029    }
3030
3031    public void removeOnRosterUpdateListener(final OnRosterUpdate listener) {
3032        final boolean remainingListeners;
3033        synchronized (LISTENER_LOCK) {
3034            this.mOnRosterUpdates.remove(listener);
3035            remainingListeners = checkListeners();
3036        }
3037        if (remainingListeners) {
3038            switchToBackground();
3039        }
3040    }
3041
3042    public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
3043        final boolean remainingListeners;
3044        synchronized (LISTENER_LOCK) {
3045            remainingListeners = checkListeners();
3046            if (!this.mOnUpdateBlocklist.add(listener)) {
3047                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnUpdateBlocklistListener");
3048            }
3049        }
3050        if (remainingListeners) {
3051            switchToForeground();
3052        }
3053    }
3054
3055    public void removeOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
3056        final boolean remainingListeners;
3057        synchronized (LISTENER_LOCK) {
3058            this.mOnUpdateBlocklist.remove(listener);
3059            remainingListeners = checkListeners();
3060        }
3061        if (remainingListeners) {
3062            switchToBackground();
3063        }
3064    }
3065
3066    public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
3067        final boolean remainingListeners;
3068        synchronized (LISTENER_LOCK) {
3069            remainingListeners = checkListeners();
3070            if (!this.mOnKeyStatusUpdated.add(listener)) {
3071                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnKeyStatusUpdateListener");
3072            }
3073        }
3074        if (remainingListeners) {
3075            switchToForeground();
3076        }
3077    }
3078
3079    public void removeOnNewKeysAvailableListener(final OnKeyStatusUpdated listener) {
3080        final boolean remainingListeners;
3081        synchronized (LISTENER_LOCK) {
3082            this.mOnKeyStatusUpdated.remove(listener);
3083            remainingListeners = checkListeners();
3084        }
3085        if (remainingListeners) {
3086            switchToBackground();
3087        }
3088    }
3089
3090    public void setOnRtpConnectionUpdateListener(final OnJingleRtpConnectionUpdate listener) {
3091        final boolean remainingListeners;
3092        synchronized (LISTENER_LOCK) {
3093            remainingListeners = checkListeners();
3094            if (!this.onJingleRtpConnectionUpdate.add(listener)) {
3095                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnJingleRtpConnectionUpdate");
3096            }
3097        }
3098        if (remainingListeners) {
3099            switchToForeground();
3100        }
3101    }
3102
3103    public void removeRtpConnectionUpdateListener(final OnJingleRtpConnectionUpdate listener) {
3104        final boolean remainingListeners;
3105        synchronized (LISTENER_LOCK) {
3106            this.onJingleRtpConnectionUpdate.remove(listener);
3107            remainingListeners = checkListeners();
3108        }
3109        if (remainingListeners) {
3110            switchToBackground();
3111        }
3112    }
3113
3114    public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
3115        final boolean remainingListeners;
3116        synchronized (LISTENER_LOCK) {
3117            remainingListeners = checkListeners();
3118            if (!this.mOnMucRosterUpdate.add(listener)) {
3119                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnMucRosterListener");
3120            }
3121        }
3122        if (remainingListeners) {
3123            switchToForeground();
3124        }
3125    }
3126
3127    public void removeOnMucRosterUpdateListener(final OnMucRosterUpdate listener) {
3128        final boolean remainingListeners;
3129        synchronized (LISTENER_LOCK) {
3130            this.mOnMucRosterUpdate.remove(listener);
3131            remainingListeners = checkListeners();
3132        }
3133        if (remainingListeners) {
3134            switchToBackground();
3135        }
3136    }
3137
3138    public boolean checkListeners() {
3139        return (this.mOnAccountUpdates.size() == 0
3140                && this.mOnConversationUpdates.size() == 0
3141                && this.mOnRosterUpdates.size() == 0
3142                && this.mOnCaptchaRequested.size() == 0
3143                && this.mOnMucRosterUpdate.size() == 0
3144                && this.mOnUpdateBlocklist.size() == 0
3145                && this.mOnShowErrorToasts.size() == 0
3146                && this.onJingleRtpConnectionUpdate.size() == 0
3147                && this.mOnKeyStatusUpdated.size() == 0);
3148    }
3149
3150    private void switchToForeground() {
3151        final boolean broadcastLastActivity = broadcastLastActivity();
3152        for (Conversation conversation : getConversations()) {
3153            if (conversation.getMode() == Conversation.MODE_MULTI) {
3154                conversation.getMucOptions().resetChatState();
3155            } else {
3156                conversation.setIncomingChatState(Config.DEFAULT_CHAT_STATE);
3157            }
3158        }
3159        for (Account account : getAccounts()) {
3160            if (account.getStatus() == Account.State.ONLINE) {
3161                account.deactivateGracePeriod();
3162                final XmppConnection connection = account.getXmppConnection();
3163                if (connection != null) {
3164                    if (connection.getFeatures().csi()) {
3165                        connection.sendActive();
3166                    }
3167                    if (broadcastLastActivity) {
3168                        sendPresence(account, false); //send new presence but don't include idle because we are not
3169                    }
3170                }
3171            }
3172        }
3173        Log.d(Config.LOGTAG, "app switched into foreground");
3174    }
3175
3176    private void switchToBackground() {
3177        final boolean broadcastLastActivity = broadcastLastActivity();
3178        if (broadcastLastActivity) {
3179            mLastActivity = System.currentTimeMillis();
3180            final SharedPreferences.Editor editor = getPreferences().edit();
3181            editor.putLong(SETTING_LAST_ACTIVITY_TS, mLastActivity);
3182            editor.apply();
3183        }
3184        for (Account account : getAccounts()) {
3185            if (account.getStatus() == Account.State.ONLINE) {
3186                XmppConnection connection = account.getXmppConnection();
3187                if (connection != null) {
3188                    if (broadcastLastActivity) {
3189                        sendPresence(account, true);
3190                    }
3191                    if (connection.getFeatures().csi()) {
3192                        connection.sendInactive();
3193                    }
3194                }
3195            }
3196        }
3197        this.mNotificationService.setIsInForeground(false);
3198        Log.d(Config.LOGTAG, "app switched into background");
3199    }
3200
3201    private void connectMultiModeConversations(Account account) {
3202        List<Conversation> conversations = getConversations();
3203        for (Conversation conversation : conversations) {
3204            if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
3205                joinMuc(conversation);
3206            }
3207        }
3208    }
3209
3210    public void mucSelfPingAndRejoin(final Conversation conversation) {
3211        final Account account = conversation.getAccount();
3212        synchronized (account.inProgressConferenceJoins) {
3213            if (account.inProgressConferenceJoins.contains(conversation)) {
3214                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because join is already under way");
3215                return;
3216            }
3217        }
3218        synchronized (account.inProgressConferencePings) {
3219            if (!account.inProgressConferencePings.add(conversation)) {
3220                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because ping is already under way");
3221                return;
3222            }
3223        }
3224        final Jid self = conversation.getMucOptions().getSelf().getFullJid();
3225        final IqPacket ping = new IqPacket(IqPacket.TYPE.GET);
3226        ping.setTo(self);
3227        ping.addChild("ping", Namespace.PING);
3228        sendIqPacket(conversation.getAccount(), ping, (a, response) -> {
3229            if (response.getType() == IqPacket.TYPE.ERROR) {
3230                Element error = response.findChild("error");
3231                if (error == null || error.hasChild("service-unavailable") || error.hasChild("feature-not-implemented") || error.hasChild("item-not-found")) {
3232                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " came back as ignorable error");
3233                } else {
3234                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " failed. attempting rejoin");
3235                    joinMuc(conversation);
3236                }
3237            } else if (response.getType() == IqPacket.TYPE.RESULT) {
3238                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " came back fine");
3239            }
3240            synchronized (account.inProgressConferencePings) {
3241                account.inProgressConferencePings.remove(conversation);
3242            }
3243        });
3244    }
3245    public void joinMuc(Conversation conversation) {
3246        joinMuc(conversation, null, false);
3247    }
3248
3249    public void joinMuc(Conversation conversation, boolean followedInvite) {
3250        joinMuc(conversation, null, followedInvite);
3251    }
3252
3253    private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
3254        joinMuc(conversation, onConferenceJoined, false);
3255    }
3256
3257    private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined, final boolean followedInvite) {
3258        final Account account = conversation.getAccount();
3259        synchronized (account.pendingConferenceJoins) {
3260            account.pendingConferenceJoins.remove(conversation);
3261        }
3262        synchronized (account.pendingConferenceLeaves) {
3263            account.pendingConferenceLeaves.remove(conversation);
3264        }
3265        if (account.getStatus() == Account.State.ONLINE) {
3266            synchronized (account.inProgressConferenceJoins) {
3267                account.inProgressConferenceJoins.add(conversation);
3268            }
3269            if (Config.MUC_LEAVE_BEFORE_JOIN) {
3270                sendPresencePacket(account, mPresenceGenerator.leave(conversation.getMucOptions()));
3271            }
3272            conversation.resetMucOptions();
3273            if (onConferenceJoined != null) {
3274                conversation.getMucOptions().flagNoAutoPushConfiguration();
3275            }
3276            conversation.setHasMessagesLeftOnServer(false);
3277            fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
3278
3279                private void join(Conversation conversation) {
3280                    Account account = conversation.getAccount();
3281                    final MucOptions mucOptions = conversation.getMucOptions();
3282
3283                    if (mucOptions.nonanonymous() && !mucOptions.membersOnly() && !conversation.getBooleanAttribute("accept_non_anonymous", false)) {
3284                        synchronized (account.inProgressConferenceJoins) {
3285                            account.inProgressConferenceJoins.remove(conversation);
3286                        }
3287                        mucOptions.setError(MucOptions.Error.NON_ANONYMOUS);
3288                        updateConversationUi();
3289                        if (onConferenceJoined != null) {
3290                            onConferenceJoined.onConferenceJoined(conversation);
3291                        }
3292                        return;
3293                    }
3294
3295                    final Jid joinJid = mucOptions.getSelf().getFullJid();
3296                    Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": joining conversation " + joinJid.toString());
3297                    PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous() || onConferenceJoined != null, mucOptions.getSelf().getNick());
3298                    packet.setTo(joinJid);
3299                    Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
3300                    if (conversation.getMucOptions().getPassword() != null) {
3301                        x.addChild("password").setContent(mucOptions.getPassword());
3302                    }
3303
3304                    if (mucOptions.mamSupport()) {
3305                        // Use MAM instead of the limited muc history to get history
3306                        x.addChild("history").setAttribute("maxchars", "0");
3307                    } else {
3308                        // Fallback to muc history
3309                        x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted().getTimestamp()));
3310                    }
3311                    sendPresencePacket(account, packet);
3312                    if (onConferenceJoined != null) {
3313                        onConferenceJoined.onConferenceJoined(conversation);
3314                    }
3315                    if (!joinJid.equals(conversation.getJid())) {
3316                        conversation.setContactJid(joinJid);
3317                        databaseBackend.updateConversation(conversation);
3318                    }
3319
3320                    if (mucOptions.mamSupport()) {
3321                        getMessageArchiveService().catchupMUC(conversation);
3322                    }
3323                    if (mucOptions.isPrivateAndNonAnonymous()) {
3324                        fetchConferenceMembers(conversation);
3325
3326                        if (followedInvite) {
3327                            final Bookmark bookmark = conversation.getBookmark();
3328                            if (bookmark != null) {
3329                                if (!bookmark.autojoin()) {
3330                                    bookmark.setAutojoin(true);
3331                                    createBookmark(account, bookmark);
3332                                }
3333                            } else {
3334                                saveConversationAsBookmark(conversation, null);
3335                            }
3336                        }
3337                    }
3338                    synchronized (account.inProgressConferenceJoins) {
3339                        account.inProgressConferenceJoins.remove(conversation);
3340                        sendUnsentMessages(conversation);
3341                    }
3342                }
3343
3344                @Override
3345                public void onConferenceConfigurationFetched(Conversation conversation) {
3346                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
3347                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": conversation (" + conversation.getJid() + ") got archived before IQ result");
3348                        return;
3349                    }
3350                    join(conversation);
3351                }
3352
3353                @Override
3354                public void onFetchFailed(final Conversation conversation, final String errorCondition) {
3355                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
3356                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": conversation (" + conversation.getJid() + ") got archived before IQ result");
3357                        return;
3358                    }
3359                    if ("remote-server-not-found".equals(errorCondition)) {
3360                        synchronized (account.inProgressConferenceJoins) {
3361                            account.inProgressConferenceJoins.remove(conversation);
3362                        }
3363                        conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
3364                        updateConversationUi();
3365                    } else {
3366                        join(conversation);
3367                        fetchConferenceConfiguration(conversation);
3368                    }
3369                }
3370            });
3371            updateConversationUi();
3372        } else {
3373            synchronized (account.pendingConferenceJoins) {
3374                account.pendingConferenceJoins.add(conversation);
3375            }
3376            conversation.resetMucOptions();
3377            conversation.setHasMessagesLeftOnServer(false);
3378            updateConversationUi();
3379        }
3380    }
3381
3382    private void fetchConferenceMembers(final Conversation conversation) {
3383        final Account account = conversation.getAccount();
3384        final AxolotlService axolotlService = account.getAxolotlService();
3385        final String[] affiliations = {"member", "admin", "owner"};
3386        OnIqPacketReceived callback = new OnIqPacketReceived() {
3387
3388            private int i = 0;
3389            private boolean success = true;
3390
3391            @Override
3392            public void onIqPacketReceived(Account account, IqPacket packet) {
3393                final boolean omemoEnabled = conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL;
3394                Element query = packet.query("http://jabber.org/protocol/muc#admin");
3395                if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
3396                    for (Element child : query.getChildren()) {
3397                        if ("item".equals(child.getName())) {
3398                            MucOptions.User user = AbstractParser.parseItem(conversation, child);
3399                            if (!user.realJidMatchesAccount()) {
3400                                boolean isNew = conversation.getMucOptions().updateUser(user);
3401                                Contact contact = user.getContact();
3402                                if (omemoEnabled
3403                                        && isNew
3404                                        && user.getRealJid() != null
3405                                        && (contact == null || !contact.mutualPresenceSubscription())
3406                                        && axolotlService.hasEmptyDeviceList(user.getRealJid())) {
3407                                    axolotlService.fetchDeviceIds(user.getRealJid());
3408                                }
3409                            }
3410                        }
3411                    }
3412                } else {
3413                    success = false;
3414                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not request affiliation " + affiliations[i] + " in " + conversation.getJid().asBareJid());
3415                }
3416                ++i;
3417                if (i >= affiliations.length) {
3418                    List<Jid> members = conversation.getMucOptions().getMembers(true);
3419                    if (success) {
3420                        List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
3421                        boolean changed = false;
3422                        for (ListIterator<Jid> iterator = cryptoTargets.listIterator(); iterator.hasNext(); ) {
3423                            Jid jid = iterator.next();
3424                            if (!members.contains(jid) && !members.contains(jid.getDomain())) {
3425                                iterator.remove();
3426                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
3427                                changed = true;
3428                            }
3429                        }
3430                        if (changed) {
3431                            conversation.setAcceptedCryptoTargets(cryptoTargets);
3432                            updateConversation(conversation);
3433                        }
3434                    }
3435                    getAvatarService().clear(conversation);
3436                    updateMucRosterUi();
3437                    updateConversationUi();
3438                }
3439            }
3440        };
3441        for (String affiliation : affiliations) {
3442            sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
3443        }
3444        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching members for " + conversation.getName());
3445    }
3446
3447    public void providePasswordForMuc(Conversation conversation, String password) {
3448        if (conversation.getMode() == Conversation.MODE_MULTI) {
3449            conversation.getMucOptions().setPassword(password);
3450            if (conversation.getBookmark() != null) {
3451                final Bookmark bookmark = conversation.getBookmark();
3452                if (synchronizeWithBookmarks()) {
3453                    bookmark.setAutojoin(true);
3454                }
3455                createBookmark(conversation.getAccount(), bookmark);
3456            }
3457            updateConversation(conversation);
3458            joinMuc(conversation);
3459        }
3460    }
3461
3462    public void deleteAvatar(final Account account) {
3463        final AtomicBoolean executed = new AtomicBoolean(false);
3464        final Runnable onDeleted =
3465                () -> {
3466                    if (executed.compareAndSet(false, true)) {
3467                        account.setAvatar(null);
3468                        databaseBackend.updateAccount(account);
3469                        getAvatarService().clear(account);
3470                        updateAccountUi();
3471                    }
3472                };
3473        deleteVcardAvatar(account, onDeleted);
3474        deletePepNode(account, Namespace.AVATAR_DATA);
3475        deletePepNode(account, Namespace.AVATAR_METADATA, onDeleted);
3476    }
3477
3478    public void deletePepNode(final Account account, final String node) {
3479        deletePepNode(account, node, null);
3480    }
3481
3482    private void deletePepNode(final Account account, final String node, final Runnable runnable) {
3483        final IqPacket request = mIqGenerator.deleteNode(node);
3484        sendIqPacket(account, request, (a, packet) -> {
3485            if (packet.getType() == IqPacket.TYPE.RESULT) {
3486                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": successfully deleted pep node "+node);
3487                if (runnable != null) {
3488                    runnable.run();
3489                }
3490            } else {
3491                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": failed to delete "+ packet);
3492            }
3493        });
3494    }
3495
3496    private void deleteVcardAvatar(final Account account, @NonNull final Runnable runnable) {
3497        final IqPacket retrieveVcard = mIqGenerator.retrieveVcardAvatar(account.getJid().asBareJid());
3498        sendIqPacket(account, retrieveVcard, (a, response) -> {
3499            if (response.getType() != IqPacket.TYPE.RESULT) {
3500                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": no vCard set. nothing to do");
3501                return;
3502            }
3503            final Element vcard = response.findChild("vCard", "vcard-temp");
3504            if (vcard == null) {
3505                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": no vCard set. nothing to do");
3506                return;
3507            }
3508            Element photo = vcard.findChild("PHOTO");
3509            if (photo == null) {
3510                photo = vcard.addChild("PHOTO");
3511            }
3512            photo.clearChildren();
3513            IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
3514            publication.setTo(a.getJid().asBareJid());
3515            publication.addChild(vcard);
3516            sendIqPacket(account, publication, (a1, publicationResponse) -> {
3517                if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
3518                    Log.d(Config.LOGTAG,a1.getJid().asBareJid()+": successfully deleted vcard avatar");
3519                    runnable.run();
3520                } else {
3521                    Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getErrorCondition());
3522                }
3523            });
3524        });
3525    }
3526
3527    private boolean hasEnabledAccounts() {
3528        if (this.accounts == null) {
3529            return false;
3530        }
3531        for (Account account : this.accounts) {
3532            if (account.isEnabled()) {
3533                return true;
3534            }
3535        }
3536        return false;
3537    }
3538
3539
3540    public void getAttachments(final Conversation conversation, int limit, final OnMediaLoaded onMediaLoaded) {
3541        getAttachments(conversation.getAccount(), conversation.getJid().asBareJid(), limit, onMediaLoaded);
3542    }
3543
3544    public void getAttachments(final Account account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
3545        getAttachments(account.getUuid(), jid.asBareJid(), limit, onMediaLoaded);
3546    }
3547
3548
3549    public void getAttachments(final String account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
3550        new Thread(() -> onMediaLoaded.onMediaLoaded(fileBackend.convertToAttachments(databaseBackend.getRelativeFilePaths(account, jid, limit)))).start();
3551    }
3552
3553    public void persistSelfNick(MucOptions.User self) {
3554        final Conversation conversation = self.getConversation();
3555        final boolean tookProposedNickFromBookmark = conversation.getMucOptions().isTookProposedNickFromBookmark();
3556        Jid full = self.getFullJid();
3557        if (!full.equals(conversation.getJid())) {
3558            Log.d(Config.LOGTAG, "nick changed. updating");
3559            conversation.setContactJid(full);
3560            databaseBackend.updateConversation(conversation);
3561        }
3562
3563        final String nick = self.getNick();
3564        final Bookmark bookmark = conversation.getBookmark();
3565        final String bookmarkedNick = bookmark == null ? null : bookmark.getNick();
3566        if (bookmark != null && (tookProposedNickFromBookmark || TextUtils.isEmpty(bookmarkedNick)) && !nick.equals(bookmarkedNick)) {
3567            final Account account = conversation.getAccount();
3568            final String defaultNick = MucOptions.defaultNick(account);
3569            if (TextUtils.isEmpty(bookmarkedNick) && nick.equals(defaultNick)) {
3570                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": do not overwrite empty bookmark nick with default nick for " + conversation.getJid().asBareJid());
3571                return;
3572            }
3573            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": persist nick '" + nick + "' into bookmark for " + conversation.getJid().asBareJid());
3574            bookmark.setNick(nick);
3575            createBookmark(bookmark.getAccount(), bookmark);
3576        }
3577    }
3578
3579    public void presenceToMuc(final Conversation conversation) {
3580        final MucOptions options = conversation.getMucOptions();
3581        if (options.online()) {
3582            Account account = conversation.getAccount();
3583            final Jid joinJid = options.getSelf().getFullJid();
3584            final PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, options.nonanonymous(), options.getSelf().getNick());
3585            packet.setTo(joinJid);
3586            sendPresencePacket(account, packet);
3587        }
3588    }
3589
3590    public boolean renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
3591        final MucOptions options = conversation.getMucOptions();
3592        final Jid joinJid = options.createJoinJid(nick);
3593        if (joinJid == null) {
3594            return false;
3595        }
3596        if (options.online()) {
3597            Account account = conversation.getAccount();
3598            options.setOnRenameListener(new OnRenameListener() {
3599
3600                @Override
3601                public void onSuccess() {
3602                    final PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, options.nonanonymous(), nick);
3603                    packet.setTo(joinJid);
3604                    sendPresencePacket(account, packet);
3605                    callback.success(conversation);
3606                }
3607
3608                @Override
3609                public void onFailure() {
3610                    callback.error(R.string.nick_in_use, conversation);
3611                }
3612            });
3613
3614            final PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, options.nonanonymous(), nick);
3615            packet.setTo(joinJid);
3616            sendPresencePacket(account, packet);
3617        } else {
3618            conversation.setContactJid(joinJid);
3619            databaseBackend.updateConversation(conversation);
3620            if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
3621                Bookmark bookmark = conversation.getBookmark();
3622                if (bookmark != null) {
3623                    bookmark.setNick(nick);
3624                    createBookmark(bookmark.getAccount(), bookmark);
3625                }
3626                joinMuc(conversation);
3627            }
3628        }
3629        return true;
3630    }
3631
3632    public void leaveMuc(Conversation conversation) {
3633        leaveMuc(conversation, false);
3634    }
3635
3636    private void leaveMuc(Conversation conversation, boolean now) {
3637        final Account account = conversation.getAccount();
3638        synchronized (account.pendingConferenceJoins) {
3639            account.pendingConferenceJoins.remove(conversation);
3640        }
3641        synchronized (account.pendingConferenceLeaves) {
3642            account.pendingConferenceLeaves.remove(conversation);
3643        }
3644        if (account.getStatus() == Account.State.ONLINE || now) {
3645            sendPresencePacket(conversation.getAccount(), mPresenceGenerator.leave(conversation.getMucOptions()));
3646            conversation.getMucOptions().setOffline();
3647            Bookmark bookmark = conversation.getBookmark();
3648            if (bookmark != null) {
3649                bookmark.setConversation(null);
3650            }
3651            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": leaving muc " + conversation.getJid());
3652        } else {
3653            synchronized (account.pendingConferenceLeaves) {
3654                account.pendingConferenceLeaves.add(conversation);
3655            }
3656        }
3657    }
3658
3659    public String findConferenceServer(final Account account) {
3660        String server;
3661        if (account.getXmppConnection() != null) {
3662            server = account.getXmppConnection().getMucServer();
3663            if (server != null) {
3664                return server;
3665            }
3666        }
3667        for (Account other : getAccounts()) {
3668            if (other != account && other.getXmppConnection() != null) {
3669                server = other.getXmppConnection().getMucServer();
3670                if (server != null) {
3671                    return server;
3672                }
3673            }
3674        }
3675        return null;
3676    }
3677
3678
3679    public void createPublicChannel(final Account account, final String name, final Jid address, final UiCallback<Conversation> callback) {
3680        joinMuc(findOrCreateConversation(account, address, true, false, true), conversation -> {
3681            final Bundle configuration = IqGenerator.defaultChannelConfiguration();
3682            if (!TextUtils.isEmpty(name)) {
3683                configuration.putString("muc#roomconfig_roomname", name);
3684            }
3685            pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
3686                @Override
3687                public void onPushSucceeded() {
3688                    saveConversationAsBookmark(conversation, name);
3689                    callback.success(conversation);
3690                }
3691
3692                @Override
3693                public void onPushFailed() {
3694                    if (conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
3695                        callback.error(R.string.unable_to_set_channel_configuration, conversation);
3696                    } else {
3697                        callback.error(R.string.joined_an_existing_channel, conversation);
3698                    }
3699                }
3700            });
3701        });
3702    }
3703
3704    public boolean createAdhocConference(final Account account,
3705                                         final String name,
3706                                         final Iterable<Jid> jids,
3707                                         final UiCallback<Conversation> callback) {
3708        Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": creating adhoc conference with " + jids.toString());
3709        if (account.getStatus() == Account.State.ONLINE) {
3710            try {
3711                String server = findConferenceServer(account);
3712                if (server == null) {
3713                    if (callback != null) {
3714                        callback.error(R.string.no_conference_server_found, null);
3715                    }
3716                    return false;
3717                }
3718                final Jid jid = Jid.of(CryptoHelper.pronounceable(), server, null);
3719                final Conversation conversation = findOrCreateConversation(account, jid, true, false, true);
3720                joinMuc(conversation, new OnConferenceJoined() {
3721                    @Override
3722                    public void onConferenceJoined(final Conversation conversation) {
3723                        final Bundle configuration = IqGenerator.defaultGroupChatConfiguration();
3724                        if (!TextUtils.isEmpty(name)) {
3725                            configuration.putString("muc#roomconfig_roomname", name);
3726                        }
3727                        pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
3728                            @Override
3729                            public void onPushSucceeded() {
3730                                for (Jid invite : jids) {
3731                                    invite(conversation, invite);
3732                                }
3733                                for (String resource : account.getSelfContact().getPresences().toResourceArray()) {
3734                                    if (resource == null || "".equals(resource)) continue;
3735                                    Jid other = account.getJid().withResource(resource);
3736                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending direct invite to " + other);
3737                                    directInvite(conversation, other);
3738                                }
3739                                saveConversationAsBookmark(conversation, name);
3740                                if (callback != null) {
3741                                    callback.success(conversation);
3742                                }
3743                            }
3744
3745                            @Override
3746                            public void onPushFailed() {
3747                                archiveConversation(conversation);
3748                                if (callback != null) {
3749                                    callback.error(R.string.conference_creation_failed, conversation);
3750                                }
3751                            }
3752                        });
3753                    }
3754                });
3755                return true;
3756            } catch (IllegalArgumentException e) {
3757                if (callback != null) {
3758                    callback.error(R.string.conference_creation_failed, null);
3759                }
3760                return false;
3761            }
3762        } else {
3763            if (callback != null) {
3764                callback.error(R.string.not_connected_try_again, null);
3765            }
3766            return false;
3767        }
3768    }
3769
3770    public void checkIfMuc(final Account account, final Jid jid, Consumer<Boolean> cb) {
3771        if (jid.isDomainJid()) {
3772            // Spec basically says MUC needs to have a node
3773            // And also specifies that MUC and MUC service should have the same identity...
3774            cb.accept(false);
3775            return;
3776        }
3777
3778        IqPacket request = mIqGenerator.queryDiscoInfo(jid.asBareJid());
3779        sendIqPacket(account, request, (acct, reply) -> {
3780            ServiceDiscoveryResult result = new ServiceDiscoveryResult(reply);
3781            cb.accept(
3782                result.getFeatures().contains("http://jabber.org/protocol/muc") &&
3783                result.hasIdentity("conference", null)
3784            );
3785        });
3786    }
3787
3788    public void fetchConferenceConfiguration(final Conversation conversation) {
3789        fetchConferenceConfiguration(conversation, null);
3790    }
3791
3792    public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
3793        IqPacket request = mIqGenerator.queryDiscoInfo(conversation.getJid().asBareJid());
3794        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3795            @Override
3796            public void onIqPacketReceived(Account account, IqPacket packet) {
3797                if (packet.getType() == IqPacket.TYPE.RESULT) {
3798                    final MucOptions mucOptions = conversation.getMucOptions();
3799                    final Bookmark bookmark = conversation.getBookmark();
3800                    final boolean sameBefore = StringUtils.equals(bookmark == null ? null : bookmark.getBookmarkName(), mucOptions.getName());
3801
3802                    if (mucOptions.updateConfiguration(new ServiceDiscoveryResult(packet))) {
3803                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": muc configuration changed for " + conversation.getJid().asBareJid());
3804                        updateConversation(conversation);
3805                    }
3806
3807                    if (bookmark != null && (sameBefore || bookmark.getBookmarkName() == null)) {
3808                        if (bookmark.setBookmarkName(StringUtils.nullOnEmpty(mucOptions.getName()))) {
3809                            createBookmark(account, bookmark);
3810                        }
3811                    }
3812
3813
3814                    if (callback != null) {
3815                        callback.onConferenceConfigurationFetched(conversation);
3816                    }
3817
3818
3819                    updateConversationUi();
3820                } else if (packet.getType() == IqPacket.TYPE.TIMEOUT) {
3821                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received timeout waiting for conference configuration fetch");
3822                } else {
3823                    if (callback != null) {
3824                        callback.onFetchFailed(conversation, packet.getErrorCondition());
3825                    }
3826                }
3827            }
3828        });
3829    }
3830
3831    public void pushNodeConfiguration(Account account, final String node, final Bundle options, final OnConfigurationPushed callback) {
3832        pushNodeConfiguration(account, account.getJid().asBareJid(), node, options, callback);
3833    }
3834
3835    public void pushNodeConfiguration(Account account, final Jid jid, final String node, final Bundle options, final OnConfigurationPushed callback) {
3836        Log.d(Config.LOGTAG, "pushing node configuration");
3837        sendIqPacket(account, mIqGenerator.requestPubsubConfiguration(jid, node), new OnIqPacketReceived() {
3838            @Override
3839            public void onIqPacketReceived(Account account, IqPacket packet) {
3840                if (packet.getType() == IqPacket.TYPE.RESULT) {
3841                    Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub#owner");
3842                    Element configuration = pubsub == null ? null : pubsub.findChild("configure");
3843                    Element x = configuration == null ? null : configuration.findChild("x", Namespace.DATA);
3844                    if (x != null) {
3845                        Data data = Data.parse(x);
3846                        data.submit(options);
3847                        sendIqPacket(account, mIqGenerator.publishPubsubConfiguration(jid, node, data), new OnIqPacketReceived() {
3848                            @Override
3849                            public void onIqPacketReceived(Account account, IqPacket packet) {
3850                                if (packet.getType() == IqPacket.TYPE.RESULT && callback != null) {
3851                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": successfully changed node configuration for node " + node);
3852                                    callback.onPushSucceeded();
3853                                } else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3854                                    callback.onPushFailed();
3855                                }
3856                            }
3857                        });
3858                    } else if (callback != null) {
3859                        callback.onPushFailed();
3860                    }
3861                } else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3862                    callback.onPushFailed();
3863                }
3864            }
3865        });
3866    }
3867
3868    public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConfigurationPushed callback) {
3869        if (options.getString("muc#roomconfig_whois", "moderators").equals("anyone")) {
3870            conversation.setAttribute("accept_non_anonymous", true);
3871            updateConversation(conversation);
3872        }
3873        if (options.containsKey("muc#roomconfig_moderatedroom")) {
3874            final boolean moderated = "1".equals(options.getString("muc#roomconfig_moderatedroom"));
3875            options.putString("members_by_default", moderated ? "0" : "1");
3876        }
3877        final IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3878        request.setTo(conversation.getJid().asBareJid());
3879        request.query("http://jabber.org/protocol/muc#owner");
3880        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3881            @Override
3882            public void onIqPacketReceived(Account account, IqPacket packet) {
3883                if (packet.getType() == IqPacket.TYPE.RESULT) {
3884                    final Data data = Data.parse(packet.query().findChild("x", Namespace.DATA));
3885                    data.submit(options);
3886                    final IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3887                    set.setTo(conversation.getJid().asBareJid());
3888                    set.query("http://jabber.org/protocol/muc#owner").addChild(data);
3889                    sendIqPacket(account, set, new OnIqPacketReceived() {
3890                        @Override
3891                        public void onIqPacketReceived(Account account, IqPacket packet) {
3892                            if (callback != null) {
3893                                if (packet.getType() == IqPacket.TYPE.RESULT) {
3894                                    callback.onPushSucceeded();
3895                                } else {
3896                                    callback.onPushFailed();
3897                                }
3898                            }
3899                        }
3900                    });
3901                } else {
3902                    if (callback != null) {
3903                        callback.onPushFailed();
3904                    }
3905                }
3906            }
3907        });
3908    }
3909
3910    public void pushSubjectToConference(final Conversation conference, final String subject) {
3911        MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, StringUtils.nullOnEmpty(subject));
3912        this.sendMessagePacket(conference.getAccount(), packet);
3913    }
3914
3915    public void requestVoice(final Account account, final Jid jid) {
3916        MessagePacket packet = this.getMessageGenerator().requestVoice(jid);
3917        this.sendMessagePacket(account, packet);
3918    }
3919
3920    public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
3921        final Jid jid = user.asBareJid();
3922        final IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
3923        sendIqPacket(conference.getAccount(), request, (account, response) -> {
3924            if (response.getType() == IqPacket.TYPE.RESULT) {
3925                conference.getMucOptions().changeAffiliation(jid, affiliation);
3926                getAvatarService().clear(conference);
3927                if (callback != null) {
3928                    callback.onAffiliationChangedSuccessful(jid);
3929                } else {
3930                    Log.d(Config.LOGTAG, "changed affiliation of " + user + " to " + affiliation);
3931                }
3932            } else if (callback != null) {
3933                callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
3934            } else {
3935                Log.d(Config.LOGTAG, "unable to change affiliation");
3936            }
3937        });
3938    }
3939
3940    public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role) {
3941        IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
3942        sendIqPacket(conference.getAccount(), request, (account, packet) -> {
3943            if (packet.getType() != IqPacket.TYPE.RESULT) {
3944                Log.d(Config.LOGTAG, account.getJid().asBareJid() + " unable to change role of " + nick);
3945            }
3946        });
3947    }
3948
3949    public void moderateMessage(final Account account, final Message m, final String reason) {
3950        IqPacket request = this.mIqGenerator.moderateMessage(account, m, reason);
3951        sendIqPacket(account, request, (a, packet) -> {
3952            if (packet.getType() != IqPacket.TYPE.RESULT) {
3953                showErrorToastInUi(R.string.unable_to_moderate);
3954                Log.d(Config.LOGTAG, a.getJid().asBareJid() + " unable to moderate: " + packet);
3955            }
3956        });
3957    }
3958
3959    public void destroyRoom(final Conversation conversation, final OnRoomDestroy callback) {
3960        IqPacket request = new IqPacket(IqPacket.TYPE.SET);
3961        request.setTo(conversation.getJid().asBareJid());
3962        request.query("http://jabber.org/protocol/muc#owner").addChild("destroy");
3963        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3964            @Override
3965            public void onIqPacketReceived(Account account, IqPacket packet) {
3966                if (packet.getType() == IqPacket.TYPE.RESULT) {
3967                    if (callback != null) {
3968                        callback.onRoomDestroySucceeded();
3969                    }
3970                } else if (packet.getType() == IqPacket.TYPE.ERROR) {
3971                    if (callback != null) {
3972                        callback.onRoomDestroyFailed();
3973                    }
3974                }
3975            }
3976        });
3977    }
3978
3979    private void disconnect(Account account, boolean force) {
3980        if ((account.getStatus() == Account.State.ONLINE)
3981                || (account.getStatus() == Account.State.DISABLED)) {
3982            final XmppConnection connection = account.getXmppConnection();
3983            if (!force) {
3984                List<Conversation> conversations = getConversations();
3985                for (Conversation conversation : conversations) {
3986                    if (conversation.getAccount() == account) {
3987                        if (conversation.getMode() == Conversation.MODE_MULTI) {
3988                            leaveMuc(conversation, true);
3989                        }
3990                    }
3991                }
3992                sendOfflinePresence(account);
3993            }
3994            connection.disconnect(force);
3995        }
3996    }
3997
3998    @Override
3999    public IBinder onBind(Intent intent) {
4000        return mBinder;
4001    }
4002
4003    public void updateMessage(Message message) {
4004        updateMessage(message, true);
4005    }
4006
4007    public void updateMessage(Message message, boolean includeBody) {
4008        databaseBackend.updateMessage(message, includeBody);
4009        updateConversationUi();
4010    }
4011
4012    public void createMessageAsync(final Message message) {
4013        mDatabaseWriterExecutor.execute(() -> databaseBackend.createMessage(message));
4014    }
4015
4016    public void updateMessage(Message message, String uuid) {
4017        if (!databaseBackend.updateMessage(message, uuid)) {
4018            Log.e(Config.LOGTAG, "error updated message in DB after edit");
4019        }
4020        updateConversationUi();
4021    }
4022
4023    protected void syncDirtyContacts(Account account) {
4024        for (Contact contact : account.getRoster().getContacts()) {
4025            if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
4026                pushContactToServer(contact);
4027            }
4028            if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
4029                deleteContactOnServer(contact);
4030            }
4031        }
4032    }
4033
4034    protected void unregisterPhoneAccounts(final Account account) {
4035        for (final Contact contact : account.getRoster().getContacts()) {
4036            if (!contact.showInRoster()) {
4037                contact.unregisterAsPhoneAccount(this);
4038            }
4039        }
4040    }
4041
4042    public void createContact(final Contact contact, final boolean autoGrant) {
4043        createContact(contact, autoGrant, null);
4044    }
4045
4046    public void createContact(final Contact contact, final boolean autoGrant, final String preAuth) {
4047        if (autoGrant) {
4048            contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
4049            contact.setOption(Contact.Options.ASKING);
4050        }
4051        pushContactToServer(contact, preAuth);
4052    }
4053
4054    public void pushContactToServer(final Contact contact) {
4055        pushContactToServer(contact, null);
4056    }
4057
4058    private void pushContactToServer(final Contact contact, final String preAuth) {
4059        contact.resetOption(Contact.Options.DIRTY_DELETE);
4060        contact.setOption(Contact.Options.DIRTY_PUSH);
4061        final Account account = contact.getAccount();
4062        if (account.getStatus() == Account.State.ONLINE) {
4063            final boolean ask = contact.getOption(Contact.Options.ASKING);
4064            final boolean sendUpdates = contact
4065                    .getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
4066                    && contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
4067            final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
4068            iq.query(Namespace.ROSTER).addChild(contact.asElement());
4069            account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
4070            if (sendUpdates) {
4071                sendPresencePacket(account, mPresenceGenerator.sendPresenceUpdatesTo(contact));
4072            }
4073            if (ask) {
4074                sendPresencePacket(account, mPresenceGenerator.requestPresenceUpdatesFrom(contact, preAuth));
4075            }
4076        } else {
4077            syncRoster(contact.getAccount());
4078        }
4079    }
4080
4081    public void publishMucAvatar(final Conversation conversation, final Uri image, final OnAvatarPublication callback) {
4082        new Thread(() -> {
4083            final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
4084            final int size = Config.AVATAR_SIZE;
4085            final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
4086            if (avatar != null) {
4087                if (!getFileBackend().save(avatar)) {
4088                    callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
4089                    return;
4090                }
4091                avatar.owner = conversation.getJid().asBareJid();
4092                publishMucAvatar(conversation, avatar, callback);
4093            } else {
4094                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
4095            }
4096        }).start();
4097    }
4098
4099    public void publishAvatar(final Account account, final Uri image, final OnAvatarPublication callback) {
4100        new Thread(() -> {
4101            final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
4102            final int size = Config.AVATAR_SIZE;
4103            final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
4104            if (avatar != null) {
4105                if (!getFileBackend().save(avatar)) {
4106                    Log.d(Config.LOGTAG, "unable to save vcard");
4107                    callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
4108                    return;
4109                }
4110                publishAvatar(account, avatar, callback);
4111            } else {
4112                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
4113            }
4114        }).start();
4115
4116    }
4117
4118    private void publishMucAvatar(Conversation conversation, Avatar avatar, OnAvatarPublication callback) {
4119        final IqPacket retrieve = mIqGenerator.retrieveVcardAvatar(avatar);
4120        sendIqPacket(conversation.getAccount(), retrieve, (account, response) -> {
4121            boolean itemNotFound = response.getType() == IqPacket.TYPE.ERROR && response.hasChild("error") && response.findChild("error").hasChild("item-not-found");
4122            if (response.getType() == IqPacket.TYPE.RESULT || itemNotFound) {
4123                Element vcard = response.findChild("vCard", "vcard-temp");
4124                if (vcard == null) {
4125                    vcard = new Element("vCard", "vcard-temp");
4126                }
4127                Element photo = vcard.findChild("PHOTO");
4128                if (photo == null) {
4129                    photo = vcard.addChild("PHOTO");
4130                }
4131                photo.clearChildren();
4132                photo.addChild("TYPE").setContent(avatar.type);
4133                photo.addChild("BINVAL").setContent(avatar.image);
4134                IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
4135                publication.setTo(conversation.getJid().asBareJid());
4136                publication.addChild(vcard);
4137                sendIqPacket(account, publication, (a1, publicationResponse) -> {
4138                    if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
4139                        callback.onAvatarPublicationSucceeded();
4140                    } else {
4141                        Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getErrorCondition());
4142                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
4143                    }
4144                });
4145            } else {
4146                Log.d(Config.LOGTAG, "failed to request vcard " + response);
4147                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_no_server_support);
4148            }
4149        });
4150    }
4151
4152    public void publishAvatar(Account account, final Avatar avatar, final OnAvatarPublication callback) {
4153        final Bundle options;
4154        if (account.getXmppConnection().getFeatures().pepPublishOptions()) {
4155            options = PublishOptions.openAccess();
4156        } else {
4157            options = null;
4158        }
4159        publishAvatar(account, avatar, options, true, callback);
4160    }
4161
4162    public void publishAvatar(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
4163        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": publishing avatar. options=" + options);
4164        IqPacket packet = this.mIqGenerator.publishAvatar(avatar, options);
4165        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
4166
4167            @Override
4168            public void onIqPacketReceived(Account account, IqPacket result) {
4169                if (result.getType() == IqPacket.TYPE.RESULT) {
4170                    publishAvatarMetadata(account, avatar, options, true, callback);
4171                } else if (retry && PublishOptions.preconditionNotMet(result)) {
4172                    pushNodeConfiguration(account, Namespace.AVATAR_DATA, options, new OnConfigurationPushed() {
4173                        @Override
4174                        public void onPushSucceeded() {
4175                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": changed node configuration for avatar node");
4176                            publishAvatar(account, avatar, options, false, callback);
4177                        }
4178
4179                        @Override
4180                        public void onPushFailed() {
4181                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to change node configuration for avatar node");
4182                            publishAvatar(account, avatar, null, false, callback);
4183                        }
4184                    });
4185                } else {
4186                    Element error = result.findChild("error");
4187                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server rejected avatar " + (avatar.size / 1024) + "KiB " + (error != null ? error.toString() : ""));
4188                    if (callback != null) {
4189                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
4190                    }
4191                }
4192            }
4193        });
4194    }
4195
4196    public void publishAvatarMetadata(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
4197        final IqPacket packet = XmppConnectionService.this.mIqGenerator.publishAvatarMetadata(avatar, options);
4198        sendIqPacket(account, packet, new OnIqPacketReceived() {
4199            @Override
4200            public void onIqPacketReceived(Account account, IqPacket result) {
4201                if (result.getType() == IqPacket.TYPE.RESULT) {
4202                    if (account.setAvatar(avatar.getFilename())) {
4203                        getAvatarService().clear(account);
4204                        databaseBackend.updateAccount(account);
4205                        notifyAccountAvatarHasChanged(account);
4206                    }
4207                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": published avatar " + (avatar.size / 1024) + "KiB");
4208                    if (callback != null) {
4209                        callback.onAvatarPublicationSucceeded();
4210                    }
4211                } else if (retry && PublishOptions.preconditionNotMet(result)) {
4212                    pushNodeConfiguration(account, Namespace.AVATAR_METADATA, options, new OnConfigurationPushed() {
4213                        @Override
4214                        public void onPushSucceeded() {
4215                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": changed node configuration for avatar meta data node");
4216                            publishAvatarMetadata(account, avatar, options, false, callback);
4217                        }
4218
4219                        @Override
4220                        public void onPushFailed() {
4221                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to change node configuration for avatar meta data node");
4222                            publishAvatarMetadata(account, avatar, null, false, callback);
4223                        }
4224                    });
4225                } else {
4226                    if (callback != null) {
4227                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
4228                    }
4229                }
4230            }
4231        });
4232    }
4233
4234    public void republishAvatarIfNeeded(Account account) {
4235        if (account.getAxolotlService().isPepBroken()) {
4236            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping republication of avatar because pep is broken");
4237            return;
4238        }
4239        IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
4240        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
4241
4242            private Avatar parseAvatar(IqPacket packet) {
4243                Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
4244                if (pubsub != null) {
4245                    Element items = pubsub.findChild("items");
4246                    if (items != null) {
4247                        return Avatar.parseMetadata(items);
4248                    }
4249                }
4250                return null;
4251            }
4252
4253            private boolean errorIsItemNotFound(IqPacket packet) {
4254                Element error = packet.findChild("error");
4255                return packet.getType() == IqPacket.TYPE.ERROR
4256                        && error != null
4257                        && error.hasChild("item-not-found");
4258            }
4259
4260            @Override
4261            public void onIqPacketReceived(Account account, IqPacket packet) {
4262                if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
4263                    Avatar serverAvatar = parseAvatar(packet);
4264                    if (serverAvatar == null && account.getAvatar() != null) {
4265                        Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
4266                        if (avatar != null) {
4267                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar on server was null. republishing");
4268                            publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
4269                        } else {
4270                            Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": error rereading avatar");
4271                        }
4272                    }
4273                }
4274            }
4275        });
4276    }
4277
4278    public void fetchAvatar(Account account, Avatar avatar) {
4279        fetchAvatar(account, avatar, null);
4280    }
4281
4282    public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
4283        if (databaseBackend.isBlockedMedia(avatar.cid())) {
4284            if (callback != null) callback.error(0, null);
4285            return;
4286        }
4287
4288        final String KEY = generateFetchKey(account, avatar);
4289        synchronized (this.mInProgressAvatarFetches) {
4290            if (mInProgressAvatarFetches.add(KEY)) {
4291                switch (avatar.origin) {
4292                    case PEP:
4293                        this.mInProgressAvatarFetches.add(KEY);
4294                        fetchAvatarPep(account, avatar, callback);
4295                        break;
4296                    case VCARD:
4297                        this.mInProgressAvatarFetches.add(KEY);
4298                        fetchAvatarVcard(account, avatar, callback);
4299                        break;
4300                }
4301            } else if (avatar.origin == Avatar.Origin.PEP) {
4302                mOmittedPepAvatarFetches.add(KEY);
4303            } else {
4304                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": already fetching " + avatar.origin + " avatar for " + avatar.owner);
4305            }
4306        }
4307    }
4308
4309    private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
4310        IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
4311        sendIqPacket(account, packet, (a, result) -> {
4312            synchronized (mInProgressAvatarFetches) {
4313                mInProgressAvatarFetches.remove(generateFetchKey(a, avatar));
4314            }
4315            final String ERROR = a.getJid().asBareJid() + ": fetching avatar for " + avatar.owner + " failed ";
4316            if (result.getType() == IqPacket.TYPE.RESULT) {
4317                avatar.image = mIqParser.avatarData(result);
4318                if (avatar.image != null) {
4319                    if (getFileBackend().save(avatar)) {
4320                        if (a.getJid().asBareJid().equals(avatar.owner)) {
4321                            if (a.setAvatar(avatar.getFilename())) {
4322                                databaseBackend.updateAccount(a);
4323                            }
4324                            getAvatarService().clear(a);
4325                            updateConversationUi();
4326                            updateAccountUi();
4327                        } else {
4328                            final Contact contact = a.getRoster().getContact(avatar.owner);
4329                            contact.setAvatar(avatar);
4330                            syncRoster(account);
4331                            getAvatarService().clear(contact);
4332                            updateConversationUi();
4333                            updateRosterUi();
4334                        }
4335                        if (callback != null) {
4336                            callback.success(avatar);
4337                        }
4338                        Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": successfully fetched pep avatar for " + avatar.owner);
4339                        return;
4340                    }
4341                } else {
4342
4343                    Log.d(Config.LOGTAG, ERROR + "(parsing error)");
4344                }
4345            } else {
4346                Element error = result.findChild("error");
4347                if (error == null) {
4348                    Log.d(Config.LOGTAG, ERROR + "(server error)");
4349                } else {
4350                    Log.d(Config.LOGTAG, ERROR + error.toString());
4351                }
4352            }
4353            if (callback != null) {
4354                callback.error(0, null);
4355            }
4356
4357        });
4358    }
4359
4360    private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
4361        IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
4362        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
4363            @Override
4364            public void onIqPacketReceived(Account account, IqPacket packet) {
4365                final boolean previouslyOmittedPepFetch;
4366                synchronized (mInProgressAvatarFetches) {
4367                    final String KEY = generateFetchKey(account, avatar);
4368                    mInProgressAvatarFetches.remove(KEY);
4369                    previouslyOmittedPepFetch = mOmittedPepAvatarFetches.remove(KEY);
4370                }
4371                if (packet.getType() == IqPacket.TYPE.RESULT) {
4372                    Element vCard = packet.findChild("vCard", "vcard-temp");
4373                    Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
4374                    String image = photo != null ? photo.findChildContent("BINVAL") : null;
4375                    if (image != null) {
4376                        avatar.image = image;
4377                        if (getFileBackend().save(avatar)) {
4378                            Log.d(Config.LOGTAG, account.getJid().asBareJid()
4379                                    + ": successfully fetched vCard avatar for " + avatar.owner + " omittedPep=" + previouslyOmittedPepFetch);
4380                            if (avatar.owner.isBareJid()) {
4381                                if (account.getJid().asBareJid().equals(avatar.owner) && account.getAvatar() == null) {
4382                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": had no avatar. replacing with vcard");
4383                                    account.setAvatar(avatar.getFilename());
4384                                    databaseBackend.updateAccount(account);
4385                                    getAvatarService().clear(account);
4386                                    updateAccountUi();
4387                                } else {
4388                                    final Contact contact = account.getRoster().getContact(avatar.owner);
4389                                    contact.setAvatar(avatar, previouslyOmittedPepFetch);
4390                                    syncRoster(account);
4391                                    getAvatarService().clear(contact);
4392                                    updateRosterUi();
4393                                }
4394                                updateConversationUi();
4395                            } else {
4396                                Conversation conversation = find(account, avatar.owner.asBareJid());
4397                                if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
4398                                    MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
4399                                    if (user != null) {
4400                                        if (user.setAvatar(avatar)) {
4401                                            getAvatarService().clear(user);
4402                                            updateConversationUi();
4403                                            updateMucRosterUi();
4404                                        }
4405                                        if (user.getRealJid() != null) {
4406                                            Contact contact = account.getRoster().getContact(user.getRealJid());
4407                                            contact.setAvatar(avatar);
4408                                            syncRoster(account);
4409                                            getAvatarService().clear(contact);
4410                                            updateRosterUi();
4411                                        }
4412                                    }
4413                                }
4414                            }
4415                        }
4416                    }
4417                }
4418            }
4419        });
4420    }
4421
4422    public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
4423        IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
4424        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
4425
4426            @Override
4427            public void onIqPacketReceived(Account account, IqPacket packet) {
4428                if (packet.getType() == IqPacket.TYPE.RESULT) {
4429                    Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
4430                    if (pubsub != null) {
4431                        Element items = pubsub.findChild("items");
4432                        if (items != null) {
4433                            Avatar avatar = Avatar.parseMetadata(items);
4434                            if (avatar != null) {
4435                                avatar.owner = account.getJid().asBareJid();
4436                                if (fileBackend.isAvatarCached(avatar)) {
4437                                    if (account.setAvatar(avatar.getFilename())) {
4438                                        databaseBackend.updateAccount(account);
4439                                    }
4440                                    getAvatarService().clear(account);
4441                                    callback.success(avatar);
4442                                } else {
4443                                    fetchAvatarPep(account, avatar, callback);
4444                                }
4445                                return;
4446                            }
4447                        }
4448                    }
4449                }
4450                callback.error(0, null);
4451            }
4452        });
4453    }
4454
4455    public void notifyAccountAvatarHasChanged(final Account account) {
4456        final XmppConnection connection = account.getXmppConnection();
4457        if (connection != null && connection.getFeatures().bookmarksConversion()) {
4458            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar changed. resending presence to online group chats");
4459            for (Conversation conversation : conversations) {
4460                if (conversation.getAccount() == account && conversation.getMode() == Conversational.MODE_MULTI) {
4461                    presenceToMuc(conversation);
4462                }
4463            }
4464        }
4465    }
4466
4467    public void fetchVcard4(Account account, final Contact contact, final Consumer<Element> callback) {
4468        IqPacket packet = this.mIqGenerator.retrieveVcard4(contact.getJid());
4469        sendIqPacket(account, packet, (a, result) -> {
4470            if (result.getType() == IqPacket.TYPE.RESULT) {
4471                final Element item = mIqParser.getItem(result);
4472                if (item != null) {
4473                    final Element vcard4 = item.findChild("vcard", Namespace.VCARD4);
4474                    if (vcard4 != null) {
4475                        if (callback != null) {
4476                            callback.accept(vcard4);
4477                        }
4478                        return;
4479                    }
4480                }
4481            } else {
4482                Element error = result.findChild("error");
4483                if (error == null) {
4484                    Log.d(Config.LOGTAG, "fetchVcard4 (server error)");
4485                } else {
4486                    Log.d(Config.LOGTAG, "fetchVcard4 " + error.toString());
4487                }
4488            }
4489            if (callback != null) {
4490                callback.accept(null);
4491            }
4492
4493        });
4494    }
4495
4496    public void deleteContactOnServer(Contact contact) {
4497        contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
4498        contact.resetOption(Contact.Options.DIRTY_PUSH);
4499        contact.setOption(Contact.Options.DIRTY_DELETE);
4500        Account account = contact.getAccount();
4501        if (account.getStatus() == Account.State.ONLINE) {
4502            IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
4503            Element item = iq.query(Namespace.ROSTER).addChild("item");
4504            item.setAttribute("jid", contact.getJid());
4505            item.setAttribute("subscription", "remove");
4506            account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
4507        }
4508    }
4509
4510    public void updateConversation(final Conversation conversation) {
4511        mDatabaseWriterExecutor.execute(() -> databaseBackend.updateConversation(conversation));
4512    }
4513
4514    private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
4515        synchronized (account) {
4516            XmppConnection connection = account.getXmppConnection();
4517            if (connection == null) {
4518                connection = createConnection(account);
4519                account.setXmppConnection(connection);
4520            }
4521            boolean hasInternet = hasInternetConnection();
4522            if (account.isEnabled() && hasInternet) {
4523                if (!force) {
4524                    disconnect(account, false);
4525                }
4526                Thread thread = new Thread(connection);
4527                connection.setInteractive(interactive);
4528                connection.prepareNewConnection();
4529                connection.interrupt();
4530                thread.start();
4531                scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
4532            } else {
4533                disconnect(account, force || account.getTrueStatus().isError() || !hasInternet);
4534                account.getRoster().clearPresences();
4535                connection.resetEverything();
4536                final AxolotlService axolotlService = account.getAxolotlService();
4537                if (axolotlService != null) {
4538                    axolotlService.resetBrokenness();
4539                }
4540                if (!hasInternet) {
4541                    account.setStatus(Account.State.NO_INTERNET);
4542                }
4543            }
4544        }
4545    }
4546
4547    public void reconnectAccountInBackground(final Account account) {
4548        new Thread(() -> reconnectAccount(account, false, true)).start();
4549    }
4550
4551    public void invite(final Conversation conversation, final Jid contact) {
4552        Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": inviting " + contact + " to " + conversation.getJid().asBareJid());
4553        final MucOptions.User user = conversation.getMucOptions().findUserByRealJid(contact.asBareJid());
4554        if (user == null || user.getAffiliation() == MucOptions.Affiliation.OUTCAST) {
4555            changeAffiliationInConference(conversation, contact, MucOptions.Affiliation.NONE, null);
4556        }
4557        final MessagePacket packet = mMessageGenerator.invite(conversation, contact);
4558        sendMessagePacket(conversation.getAccount(), packet);
4559    }
4560
4561    public void directInvite(Conversation conversation, Jid jid) {
4562        MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
4563        sendMessagePacket(conversation.getAccount(), packet);
4564    }
4565
4566    public void resetSendingToWaiting(Account account) {
4567        for (Conversation conversation : getConversations()) {
4568            if (conversation.getAccount() == account) {
4569                conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
4570            }
4571        }
4572    }
4573
4574    public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
4575        return markMessage(account, recipient, uuid, status, null);
4576    }
4577
4578    public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
4579        if (uuid == null) {
4580            return null;
4581        }
4582        for (Conversation conversation : getConversations()) {
4583            if (conversation.getJid().asBareJid().equals(recipient) && conversation.getAccount() == account) {
4584                final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
4585                if (message != null) {
4586                    markMessage(message, status, errorMessage);
4587                }
4588                return message;
4589            }
4590        }
4591        return null;
4592    }
4593
4594    public boolean markMessage(final Conversation conversation, final String uuid, final int status, final String serverMessageId) {
4595        return markMessage(conversation, uuid, status, serverMessageId, null, null);
4596    }
4597
4598    public boolean markMessage(final Conversation conversation, final String uuid, final int status, final String serverMessageId, final LocalizedContent body, final Element html) {
4599        if (uuid == null) {
4600            return false;
4601        } else {
4602            final Message message = conversation.findSentMessageWithUuid(uuid);
4603            if (message != null) {
4604                if (message.getServerMsgId() == null) {
4605                    message.setServerMsgId(serverMessageId);
4606                }
4607                if (message.getEncryption() == Message.ENCRYPTION_NONE
4608                        && message.isTypeText()
4609                        && isBodyModified(message, body)) {
4610                    message.setBody(body.content);
4611                    message.setHtml(html);
4612                    if (body.count > 1) {
4613                        message.setBodyLanguage(body.language);
4614                    }
4615                    markMessage(message, status, null, true);
4616                } else {
4617                    markMessage(message, status);
4618                }
4619                return true;
4620            } else {
4621                return false;
4622            }
4623        }
4624    }
4625
4626    private static boolean isBodyModified(final Message message, final LocalizedContent body) {
4627        if (body == null || body.content == null) {
4628            return false;
4629        }
4630        return !body.content.equals(message.getBody());
4631    }
4632
4633    public void markMessage(Message message, int status) {
4634        markMessage(message, status, null);
4635    }
4636
4637
4638    public void markMessage(final Message message, final int status, final String errorMessage) {
4639        markMessage(message, status, errorMessage, false);
4640    }
4641
4642    public void markMessage(final Message message, final int status, final String errorMessage, final boolean includeBody) {
4643        final int oldStatus = message.getStatus();
4644        if (status == Message.STATUS_SEND_FAILED && (oldStatus == Message.STATUS_SEND_RECEIVED || oldStatus == Message.STATUS_SEND_DISPLAYED)) {
4645            return;
4646        }
4647        if (status == Message.STATUS_SEND_RECEIVED && oldStatus == Message.STATUS_SEND_DISPLAYED) {
4648            return;
4649        }
4650        message.setErrorMessage(errorMessage);
4651        message.setStatus(status);
4652        databaseBackend.updateMessage(message, includeBody);
4653        updateConversationUi();
4654        if (oldStatus != status && status == Message.STATUS_SEND_FAILED) {
4655            mNotificationService.pushFailedDelivery(message);
4656        }
4657    }
4658
4659    public SharedPreferences getPreferences() {
4660        return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
4661    }
4662
4663    public long getAutomaticMessageDeletionDate() {
4664        final long timeout = getLongPreference(SettingsActivity.AUTOMATIC_MESSAGE_DELETION, R.integer.automatic_message_deletion);
4665        return timeout == 0 ? timeout : (System.currentTimeMillis() - (timeout * 1000));
4666    }
4667
4668    public long getLongPreference(String name, @IntegerRes int res) {
4669        long defaultValue = getResources().getInteger(res);
4670        try {
4671            return Long.parseLong(getPreferences().getString(name, String.valueOf(defaultValue)));
4672        } catch (NumberFormatException e) {
4673            return defaultValue;
4674        }
4675    }
4676
4677    public boolean getBooleanPreference(String name, @BoolRes int res) {
4678        return getPreferences().getBoolean(name, getResources().getBoolean(res));
4679    }
4680
4681    public boolean confirmMessages() {
4682        return getBooleanPreference("confirm_messages", R.bool.confirm_messages);
4683    }
4684
4685    public boolean allowMessageCorrection() {
4686        return getBooleanPreference("allow_message_correction", R.bool.allow_message_correction);
4687    }
4688
4689    public boolean sendChatStates() {
4690        return getBooleanPreference("chat_states", R.bool.chat_states);
4691    }
4692
4693    private boolean synchronizeWithBookmarks() {
4694        return getBooleanPreference("autojoin", R.bool.autojoin);
4695    }
4696
4697    public boolean useTorToConnect() {
4698        return getBooleanPreference("use_tor", R.bool.use_tor);
4699    }
4700
4701    public boolean showExtendedConnectionOptions() {
4702        return getBooleanPreference("show_connection_options", R.bool.show_connection_options);
4703    }
4704
4705    public boolean broadcastLastActivity() {
4706        return getBooleanPreference(SettingsActivity.BROADCAST_LAST_ACTIVITY, R.bool.last_activity);
4707    }
4708
4709    public int unreadCount() {
4710        int count = 0;
4711        for (Conversation conversation : getConversations()) {
4712            count += conversation.unreadCount();
4713        }
4714        return count;
4715    }
4716
4717
4718    private <T> List<T> threadSafeList(Set<T> set) {
4719        synchronized (LISTENER_LOCK) {
4720            return set.size() == 0 ? Collections.emptyList() : new ArrayList<>(set);
4721        }
4722    }
4723
4724    public void showErrorToastInUi(int resId) {
4725        for (OnShowErrorToast listener : threadSafeList(this.mOnShowErrorToasts)) {
4726            listener.onShowErrorToast(resId);
4727        }
4728    }
4729
4730    public void updateConversationUi() {
4731        updateConversationUi(false);
4732    }
4733
4734    public void updateConversationUi(boolean newCaps) {
4735        for (OnConversationUpdate listener : threadSafeList(this.mOnConversationUpdates)) {
4736            listener.onConversationUpdate(newCaps);
4737        }
4738    }
4739
4740    public void notifyJingleRtpConnectionUpdate(final Account account, final Jid with, final String sessionId, final RtpEndUserState state) {
4741        for (OnJingleRtpConnectionUpdate listener : threadSafeList(this.onJingleRtpConnectionUpdate)) {
4742            listener.onJingleRtpConnectionUpdate(account, with, sessionId, state);
4743        }
4744    }
4745
4746    public void notifyJingleRtpConnectionUpdate(AppRTCAudioManager.AudioDevice selectedAudioDevice, Set<AppRTCAudioManager.AudioDevice> availableAudioDevices) {
4747        for (OnJingleRtpConnectionUpdate listener : threadSafeList(this.onJingleRtpConnectionUpdate)) {
4748            listener.onAudioDeviceChanged(selectedAudioDevice, availableAudioDevices);
4749        }
4750    }
4751
4752    public void updateAccountUi() {
4753        for (final OnAccountUpdate listener : threadSafeList(this.mOnAccountUpdates)) {
4754            listener.onAccountUpdate();
4755        }
4756    }
4757
4758    public void updateRosterUi() {
4759        for (OnRosterUpdate listener : threadSafeList(this.mOnRosterUpdates)) {
4760            listener.onRosterUpdate();
4761        }
4762    }
4763
4764    public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
4765        if (mOnCaptchaRequested.size() > 0) {
4766            DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
4767            Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
4768                    (int) (captcha.getHeight() * metrics.scaledDensity), false);
4769            for (OnCaptchaRequested listener : threadSafeList(this.mOnCaptchaRequested)) {
4770                listener.onCaptchaRequested(account, id, data, scaled);
4771            }
4772            return true;
4773        }
4774        return false;
4775    }
4776
4777    public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
4778        for (OnUpdateBlocklist listener : threadSafeList(this.mOnUpdateBlocklist)) {
4779            listener.OnUpdateBlocklist(status);
4780        }
4781    }
4782
4783    public void updateMucRosterUi() {
4784        for (OnMucRosterUpdate listener : threadSafeList(this.mOnMucRosterUpdate)) {
4785            listener.onMucRosterUpdate();
4786        }
4787    }
4788
4789    public void keyStatusUpdated(AxolotlService.FetchStatus report) {
4790        for (OnKeyStatusUpdated listener : threadSafeList(this.mOnKeyStatusUpdated)) {
4791            listener.onKeyStatusUpdated(report);
4792        }
4793    }
4794
4795    public Account findAccountByJid(final Jid jid) {
4796        for (final Account account : this.accounts) {
4797            if (account.getJid().asBareJid().equals(jid.asBareJid())) {
4798                return account;
4799            }
4800        }
4801        return null;
4802    }
4803
4804    public Account findAccountByUuid(final String uuid) {
4805        for (Account account : this.accounts) {
4806            if (account.getUuid().equals(uuid)) {
4807                return account;
4808            }
4809        }
4810        return null;
4811    }
4812
4813    public Conversation findConversationByUuid(String uuid) {
4814        for (Conversation conversation : getConversations()) {
4815            if (conversation.getUuid().equals(uuid)) {
4816                return conversation;
4817            }
4818        }
4819        return null;
4820    }
4821
4822    public Conversation findUniqueConversationByJid(XmppUri xmppUri) {
4823        List<Conversation> findings = new ArrayList<>();
4824        for (Conversation c : getConversations()) {
4825            if (c.getAccount().isEnabled() && c.getJid().asBareJid().equals(xmppUri.getJid().asBareJid()) && ((c.getMode() == Conversational.MODE_MULTI) == xmppUri.isAction(XmppUri.ACTION_JOIN))) {
4826                findings.add(c);
4827            }
4828        }
4829        return findings.size() == 1 ? findings.get(0) : null;
4830    }
4831
4832    public boolean markRead(final Conversation conversation, boolean dismiss) {
4833        return markRead(conversation, null, dismiss).size() > 0;
4834    }
4835
4836    public void markRead(final Conversation conversation) {
4837        markRead(conversation, null, true);
4838    }
4839
4840    public List<Message> markRead(final Conversation conversation, String upToUuid, boolean dismiss) {
4841        if (dismiss) {
4842            mNotificationService.clear(conversation);
4843        }
4844        final List<Message> readMessages = conversation.markRead(upToUuid);
4845        if (readMessages.size() > 0) {
4846            Runnable runnable = () -> {
4847                for (Message message : readMessages) {
4848                    databaseBackend.updateMessage(message, false);
4849                }
4850            };
4851            mDatabaseWriterExecutor.execute(runnable);
4852            updateConversationUi();
4853            updateUnreadCountBadge();
4854            return readMessages;
4855        } else {
4856            return readMessages;
4857        }
4858    }
4859
4860    public synchronized void updateUnreadCountBadge() {
4861        int count = unreadCount();
4862        if (unreadCount != count) {
4863            Log.d(Config.LOGTAG, "update unread count to " + count);
4864            if (count > 0) {
4865                ShortcutBadger.applyCount(getApplicationContext(), count);
4866            } else {
4867                ShortcutBadger.removeCount(getApplicationContext());
4868            }
4869            unreadCount = count;
4870        }
4871    }
4872
4873    public void sendReadMarker(final Conversation conversation, String upToUuid) {
4874        final boolean isPrivateAndNonAnonymousMuc = conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous();
4875        final List<Message> readMessages = this.markRead(conversation, upToUuid, true);
4876        if (readMessages.size() > 0) {
4877            updateConversationUi();
4878        }
4879        final Message markable = Conversation.getLatestMarkableMessage(readMessages, isPrivateAndNonAnonymousMuc);
4880        if (confirmMessages()
4881                && markable != null
4882                && (markable.trusted() || isPrivateAndNonAnonymousMuc)
4883                && markable.getRemoteMsgId() != null) {
4884            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
4885            final Account account = conversation.getAccount();
4886            final MessagePacket packet = mMessageGenerator.confirm(markable);
4887            this.sendMessagePacket(account, packet);
4888        }
4889    }
4890
4891    public MemorizingTrustManager getMemorizingTrustManager() {
4892        return this.mMemorizingTrustManager;
4893    }
4894
4895    public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
4896        this.mMemorizingTrustManager = trustManager;
4897    }
4898
4899    public void updateMemorizingTrustmanager() {
4900        final MemorizingTrustManager tm;
4901        final boolean dontTrustSystemCAs = getBooleanPreference("dont_trust_system_cas", R.bool.dont_trust_system_cas);
4902        if (dontTrustSystemCAs) {
4903            tm = new MemorizingTrustManager(getApplicationContext(), null);
4904        } else {
4905            tm = new MemorizingTrustManager(getApplicationContext());
4906        }
4907        setMemorizingTrustManager(tm);
4908    }
4909
4910    public LruCache<String, Drawable> getDrawableCache() {
4911        return this.mDrawableCache;
4912    }
4913
4914    public Collection<String> getKnownHosts() {
4915        final Set<String> hosts = new HashSet<>();
4916        for (final Account account : getAccounts()) {
4917            hosts.add(account.getServer());
4918            for (final Contact contact : account.getRoster().getContacts()) {
4919                if (contact.showInRoster()) {
4920                    final String server = contact.getServer();
4921                    if (server != null) {
4922                        hosts.add(server);
4923                    }
4924                }
4925            }
4926        }
4927        if (Config.QUICKSY_DOMAIN != null) {
4928            hosts.remove(Config.QUICKSY_DOMAIN.toEscapedString()); //we only want to show this when we type a e164 number
4929        }
4930        if (Config.DOMAIN_LOCK != null) {
4931            hosts.add(Config.DOMAIN_LOCK);
4932        }
4933        if (Config.MAGIC_CREATE_DOMAIN != null) {
4934            hosts.add(Config.MAGIC_CREATE_DOMAIN);
4935        }
4936        hosts.add("chat.above.im");
4937        return hosts;
4938    }
4939
4940    public Collection<String> getKnownConferenceHosts() {
4941        final Set<String> mucServers = new HashSet<>();
4942        for (final Account account : accounts) {
4943            if (account.getXmppConnection() != null) {
4944                mucServers.addAll(account.getXmppConnection().getMucServers());
4945                for (final Bookmark bookmark : account.getBookmarks()) {
4946                    final Jid jid = bookmark.getJid();
4947                    final String s = jid == null ? null : jid.getDomain().toEscapedString();
4948                    if (s != null) {
4949                        mucServers.add(s);
4950                    }
4951                }
4952            }
4953        }
4954        return mucServers;
4955    }
4956
4957    public void sendMessagePacket(Account account, MessagePacket packet) {
4958        final XmppConnection connection = account.getXmppConnection();
4959        if (connection != null) {
4960            connection.sendMessagePacket(packet);
4961        }
4962    }
4963
4964    public void sendPresencePacket(Account account, PresencePacket packet) {
4965        XmppConnection connection = account.getXmppConnection();
4966        if (connection != null) {
4967            connection.sendPresencePacket(packet);
4968        }
4969    }
4970
4971    public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
4972        final XmppConnection connection = account.getXmppConnection();
4973        if (connection != null) {
4974            IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
4975            connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener, true);
4976        }
4977    }
4978
4979    public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
4980        sendIqPacket(account, packet, callback, null);
4981    }
4982
4983    public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback, Long timeout) {
4984        final XmppConnection connection = account.getXmppConnection();
4985        if (connection != null) {
4986            connection.sendIqPacket(packet, callback, timeout);
4987        } else if (callback != null) {
4988            callback.onIqPacketReceived(account, new IqPacket(IqPacket.TYPE.TIMEOUT));
4989        }
4990    }
4991
4992    public void sendPresence(final Account account) {
4993        sendPresence(account, checkListeners() && broadcastLastActivity());
4994    }
4995
4996    private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
4997        final Presence.Status status;
4998        if (manuallyChangePresence()) {
4999            status = account.getPresenceStatus();
5000        } else {
5001            status = getTargetPresence();
5002        }
5003        final PresencePacket packet = mPresenceGenerator.selfPresence(account, status);
5004        if (mLastActivity > 0 && includeIdleTimestamp) {
5005            long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
5006            packet.addChild("idle", Namespace.IDLE).setAttribute("since", AbstractGenerator.getTimestamp(since));
5007        }
5008        sendPresencePacket(account, packet);
5009    }
5010
5011    private void deactivateGracePeriod() {
5012        for (Account account : getAccounts()) {
5013            account.deactivateGracePeriod();
5014        }
5015    }
5016
5017    public void refreshAllPresences() {
5018        boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
5019        for (Account account : getAccounts()) {
5020            if (account.isEnabled()) {
5021                sendPresence(account, includeIdleTimestamp);
5022            }
5023        }
5024    }
5025
5026    private void refreshAllFcmTokens() {
5027        for (Account account : getAccounts()) {
5028            if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
5029                mPushManagementService.registerPushTokenOnServer(account);
5030            }
5031        }
5032    }
5033
5034
5035
5036    private void sendOfflinePresence(final Account account) {
5037        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending offline presence");
5038        sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
5039    }
5040
5041    public MessageGenerator getMessageGenerator() {
5042        return this.mMessageGenerator;
5043    }
5044
5045    public PresenceGenerator getPresenceGenerator() {
5046        return this.mPresenceGenerator;
5047    }
5048
5049    public IqGenerator getIqGenerator() {
5050        return this.mIqGenerator;
5051    }
5052
5053    public IqParser getIqParser() {
5054        return this.mIqParser;
5055    }
5056
5057    public JingleConnectionManager getJingleConnectionManager() {
5058        return this.mJingleConnectionManager;
5059    }
5060
5061    public MessageArchiveService getMessageArchiveService() {
5062        return this.mMessageArchiveService;
5063    }
5064
5065    public QuickConversationsService getQuickConversationsService() {
5066        return this.mQuickConversationsService;
5067    }
5068
5069    public List<Contact> findContacts(Jid jid, String accountJid) {
5070        ArrayList<Contact> contacts = new ArrayList<>();
5071        for (Account account : getAccounts()) {
5072            if ((account.isEnabled() || accountJid != null)
5073                    && (accountJid == null || accountJid.equals(account.getJid().asBareJid().toString()))) {
5074                Contact contact = account.getRoster().getContactFromContactList(jid);
5075                if (contact != null) {
5076                    contacts.add(contact);
5077                }
5078            }
5079        }
5080        return contacts;
5081    }
5082
5083    public Conversation findFirstMuc(Jid jid) {
5084        return findFirstMuc(jid, null);
5085    }
5086
5087    public Conversation findFirstMuc(Jid jid, String accountJid) {
5088        for (Conversation conversation : getConversations()) {
5089            if ((conversation.getAccount().isEnabled() || accountJid != null)
5090                    && (accountJid == null || accountJid.equals(conversation.getAccount().getJid().asBareJid().toString()))
5091                    && conversation.getJid().asBareJid().equals(jid.asBareJid()) && conversation.getMode() == Conversation.MODE_MULTI) {
5092                return conversation;
5093            }
5094        }
5095        return null;
5096    }
5097
5098    public NotificationService getNotificationService() {
5099        return this.mNotificationService;
5100    }
5101
5102    public HttpConnectionManager getHttpConnectionManager() {
5103        return this.mHttpConnectionManager;
5104    }
5105
5106    public void resendFailedMessages(final Message message) {
5107        final Collection<Message> messages = new ArrayList<>();
5108        Message current = message;
5109        while (current.getStatus() == Message.STATUS_SEND_FAILED) {
5110            messages.add(current);
5111            if (current.mergeable(current.next())) {
5112                current = current.next();
5113            } else {
5114                break;
5115            }
5116        }
5117        for (final Message msg : messages) {
5118            msg.setTime(System.currentTimeMillis());
5119            markMessage(msg, Message.STATUS_WAITING);
5120            this.resendMessage(msg, false);
5121        }
5122        if (message.getConversation() instanceof Conversation) {
5123            ((Conversation) message.getConversation()).sort();
5124        }
5125        updateConversationUi();
5126    }
5127
5128    public void clearConversationHistory(final Conversation conversation) {
5129        final long clearDate;
5130        final String reference;
5131        if (conversation.countMessages() > 0) {
5132            Message latestMessage = conversation.getLatestMessage();
5133            clearDate = latestMessage.getTimeSent() + 1000;
5134            reference = latestMessage.getServerMsgId();
5135        } else {
5136            clearDate = System.currentTimeMillis();
5137            reference = null;
5138        }
5139        conversation.clearMessages();
5140        conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
5141        conversation.setLastClearHistory(clearDate, reference);
5142        Runnable runnable = () -> {
5143            databaseBackend.deleteMessagesInConversation(conversation);
5144            databaseBackend.updateConversation(conversation);
5145        };
5146        mDatabaseWriterExecutor.execute(runnable);
5147    }
5148
5149    public boolean sendBlockRequest(final Blockable blockable, boolean reportSpam) {
5150        if (blockable != null && blockable.getBlockedJid() != null) {
5151            final Jid jid = blockable.getBlockedJid();
5152            this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), (a, response) -> {
5153                if (response.getType() == IqPacket.TYPE.RESULT) {
5154                    a.getBlocklist().add(jid);
5155                    updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
5156                }
5157            });
5158            if (blockable.getBlockedJid().isFullJid()) {
5159                return false;
5160            } else if (removeBlockedConversations(blockable.getAccount(), jid)) {
5161                updateConversationUi();
5162                return true;
5163            } else {
5164                return false;
5165            }
5166        } else {
5167            return false;
5168        }
5169    }
5170
5171    public boolean removeBlockedConversations(final Account account, final Jid blockedJid) {
5172        boolean removed = false;
5173        synchronized (this.conversations) {
5174            boolean domainJid = blockedJid.getLocal() == null;
5175            for (Conversation conversation : this.conversations) {
5176                boolean jidMatches = (domainJid && blockedJid.getDomain().equals(conversation.getJid().getDomain()))
5177                        || blockedJid.equals(conversation.getJid().asBareJid());
5178                if (conversation.getAccount() == account
5179                        && conversation.getMode() == Conversation.MODE_SINGLE
5180                        && jidMatches) {
5181                    this.conversations.remove(conversation);
5182                    markRead(conversation);
5183                    conversation.setStatus(Conversation.STATUS_ARCHIVED);
5184                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conversation " + conversation.getJid().asBareJid() + " because jid was blocked");
5185                    updateConversation(conversation);
5186                    removed = true;
5187                }
5188            }
5189        }
5190        return removed;
5191    }
5192
5193    public void sendUnblockRequest(final Blockable blockable) {
5194        if (blockable != null && blockable.getJid() != null) {
5195            final Jid jid = blockable.getBlockedJid();
5196            this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
5197                @Override
5198                public void onIqPacketReceived(final Account account, final IqPacket packet) {
5199                    if (packet.getType() == IqPacket.TYPE.RESULT) {
5200                        account.getBlocklist().remove(jid);
5201                        updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
5202                    }
5203                }
5204            });
5205        }
5206    }
5207
5208    public void publishDisplayName(Account account) {
5209        String displayName = account.getDisplayName();
5210        final IqPacket request;
5211        if (TextUtils.isEmpty(displayName)) {
5212            request = mIqGenerator.deleteNode(Namespace.NICK);
5213        } else {
5214            request = mIqGenerator.publishNick(displayName);
5215        }
5216        mAvatarService.clear(account);
5217        sendIqPacket(account, request, (account1, packet) -> {
5218            if (packet.getType() == IqPacket.TYPE.ERROR) {
5219                Log.d(Config.LOGTAG, account1.getJid().asBareJid() + ": unable to modify nick name " + packet);
5220            }
5221        });
5222    }
5223
5224    public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
5225        ServiceDiscoveryResult result = discoCache.get(key);
5226        if (result != null) {
5227            return result;
5228        } else {
5229            if (key.first == null || key.second == null) return null;
5230            result = databaseBackend.findDiscoveryResult(key.first, key.second);
5231            if (result != null) {
5232                discoCache.put(key, result);
5233            }
5234            return result;
5235        }
5236    }
5237
5238    public void fetchFromGateway(Account account, final Jid jid, final String input, final OnGatewayResult callback) {
5239        IqPacket request = new IqPacket(input == null ? IqPacket.TYPE.GET : IqPacket.TYPE.SET);
5240        request.setTo(jid);
5241        Element query = request.query("jabber:iq:gateway");
5242        if (input != null) {
5243            Element prompt = query.addChild("prompt");
5244            prompt.setContent(input);
5245        }
5246        sendIqPacket(account, request, (Account acct, IqPacket packet) -> {
5247            if (packet.getType() == IqPacket.TYPE.RESULT) {
5248                callback.onGatewayResult(packet.query().findChildContent(input == null ? "prompt" : "jid"), null);
5249            } else {
5250                Element error = packet.findChild("error");
5251                callback.onGatewayResult(null, error == null ? null : error.findChildContent("text"));
5252            }
5253        });
5254    }
5255
5256    public void fetchCaps(Account account, final Jid jid, final Presence presence) {
5257        fetchCaps(account, jid, presence, null);
5258    }
5259
5260    public void fetchCaps(Account account, final Jid jid, final Presence presence, Runnable cb) {
5261        final Pair<String, String> key = presence == null ? null : new Pair<>(presence.getHash(), presence.getVer());
5262        final ServiceDiscoveryResult disco = key == null ? null : getCachedServiceDiscoveryResult(key);
5263
5264        if (disco != null) {
5265            presence.setServiceDiscoveryResult(disco);
5266            final Contact contact = account.getRoster().getContact(jid);
5267            if (contact.refreshRtpCapability()) {
5268                syncRoster(account);
5269            }
5270            if (disco.hasIdentity("gateway", "pstn")) {
5271                contact.registerAsPhoneAccount(this);
5272                mQuickConversationsService.considerSyncBackground(false);
5273            }
5274            updateConversationUi(true);
5275        } else {
5276            final IqPacket request = new IqPacket(IqPacket.TYPE.GET);
5277            request.setTo(jid);
5278            final String node = presence == null ? null : presence.getNode();
5279            final String ver = presence == null ? null : presence.getVer();
5280            final Element query = request.query(Namespace.DISCO_INFO);
5281            if (node != null && ver != null) {
5282                query.setAttribute("node", node + "#" + ver);
5283            }
5284            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": making disco request for " + (key == null ? "" : key.second) + " to " + jid);
5285            sendIqPacket(account, request, (a, response) -> {
5286                if (response.getType() == IqPacket.TYPE.RESULT) {
5287                    final ServiceDiscoveryResult discoveryResult = new ServiceDiscoveryResult(response);
5288                    if (presence == null || presence.getVer() == null || presence.getVer().equals(discoveryResult.getVer())) {
5289                        databaseBackend.insertDiscoveryResult(discoveryResult);
5290                        injectServiceDiscoveryResult(a.getRoster(), presence == null ? null : presence.getHash(), presence == null ? null : presence.getVer(), jid.getResource(), discoveryResult);
5291                        if (discoveryResult.hasIdentity("gateway", "pstn")) {
5292                            final Contact contact = account.getRoster().getContact(jid);
5293                            contact.registerAsPhoneAccount(this);
5294                            mQuickConversationsService.considerSyncBackground(false);
5295                        }
5296                        updateConversationUi(true);
5297                        if (cb != null) cb.run();
5298                    } else {
5299                        Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + discoveryResult.getVer());
5300                    }
5301                } else {
5302                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to fetch caps from " + jid);
5303                }
5304            });
5305        }
5306    }
5307
5308    public void fetchCommands(Account account, final Jid jid, OnIqPacketReceived callback) {
5309        final IqPacket request = mIqGenerator.queryDiscoItems(jid, "http://jabber.org/protocol/commands");
5310        sendIqPacket(account, request, callback);
5311    }
5312
5313    private void injectServiceDiscoveryResult(Roster roster, String hash, String ver, String resource, ServiceDiscoveryResult disco) {
5314        boolean rosterNeedsSync = false;
5315        for (final Contact contact : roster.getContacts()) {
5316            boolean serviceDiscoverySet = false;
5317            Presence onePresence = contact.getPresences().get(resource == null ? "" : resource);
5318            if (onePresence != null) {
5319                onePresence.setServiceDiscoveryResult(disco);
5320                serviceDiscoverySet = true;
5321            } else if (resource == null && hash == null && ver == null) {
5322                Presence p = new Presence(Presence.Status.OFFLINE, null, null, null, "");
5323                p.setServiceDiscoveryResult(disco);
5324                contact.updatePresence("", p);
5325                serviceDiscoverySet = true;
5326            }
5327            if (hash != null && ver != null) {
5328                for (final Presence presence : contact.getPresences().getPresences()) {
5329                    if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
5330                        presence.setServiceDiscoveryResult(disco);
5331                        serviceDiscoverySet = true;
5332                    }
5333                }
5334            }
5335            if (serviceDiscoverySet) {
5336                rosterNeedsSync |= contact.refreshRtpCapability();
5337            }
5338        }
5339        if (rosterNeedsSync) {
5340            syncRoster(roster.getAccount());
5341        }
5342    }
5343
5344    public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
5345        final MessageArchiveService.Version version = MessageArchiveService.Version.get(account);
5346        IqPacket request = new IqPacket(IqPacket.TYPE.GET);
5347        request.addChild("prefs", version.namespace);
5348        sendIqPacket(account, request, (account1, packet) -> {
5349            Element prefs = packet.findChild("prefs", version.namespace);
5350            if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
5351                callback.onPreferencesFetched(prefs);
5352            } else {
5353                callback.onPreferencesFetchFailed();
5354            }
5355        });
5356    }
5357
5358    public PushManagementService getPushManagementService() {
5359        return mPushManagementService;
5360    }
5361
5362    public void changeStatus(Account account, PresenceTemplate template, String signature) {
5363        if (!template.getStatusMessage().isEmpty()) {
5364            databaseBackend.insertPresenceTemplate(template);
5365        }
5366        account.setPgpSignature(signature);
5367        account.setPresenceStatus(template.getStatus());
5368        account.setPresenceStatusMessage(template.getStatusMessage());
5369        databaseBackend.updateAccount(account);
5370        sendPresence(account);
5371    }
5372
5373    public List<PresenceTemplate> getPresenceTemplates(Account account) {
5374        List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
5375        for (PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
5376            if (!templates.contains(template)) {
5377                templates.add(0, template);
5378            }
5379        }
5380        return templates;
5381    }
5382
5383    public void saveConversationAsBookmark(Conversation conversation, String name) {
5384        final Account account = conversation.getAccount();
5385        final Bookmark bookmark = new Bookmark(account, conversation.getJid().asBareJid());
5386        String nick = conversation.getMucOptions().getActualNick();
5387        if (nick == null) nick = conversation.getJid().getResource();
5388        if (nick != null && !nick.isEmpty() && !nick.equals(MucOptions.defaultNick(account))) {
5389            bookmark.setNick(nick);
5390        }
5391        if (!TextUtils.isEmpty(name)) {
5392            bookmark.setBookmarkName(name);
5393        }
5394        bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
5395        createBookmark(account, bookmark);
5396        bookmark.setConversation(conversation);
5397    }
5398
5399    public boolean verifyFingerprints(Contact contact, List<XmppUri.Fingerprint> fingerprints) {
5400        boolean performedVerification = false;
5401        final AxolotlService axolotlService = contact.getAccount().getAxolotlService();
5402        for (XmppUri.Fingerprint fp : fingerprints) {
5403            if (fp.type == XmppUri.FingerprintType.OMEMO) {
5404                String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
5405                FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
5406                if (fingerprintStatus != null) {
5407                    if (!fingerprintStatus.isVerified()) {
5408                        performedVerification = true;
5409                        axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
5410                    }
5411                } else {
5412                    axolotlService.preVerifyFingerprint(contact, fingerprint);
5413                }
5414            }
5415        }
5416        return performedVerification;
5417    }
5418
5419    public boolean verifyFingerprints(Account account, List<XmppUri.Fingerprint> fingerprints) {
5420        final AxolotlService axolotlService = account.getAxolotlService();
5421        boolean verifiedSomething = false;
5422        for (XmppUri.Fingerprint fp : fingerprints) {
5423            if (fp.type == XmppUri.FingerprintType.OMEMO) {
5424                String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
5425                Log.d(Config.LOGTAG, "trying to verify own fp=" + fingerprint);
5426                FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
5427                if (fingerprintStatus != null) {
5428                    if (!fingerprintStatus.isVerified()) {
5429                        axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
5430                        verifiedSomething = true;
5431                    }
5432                } else {
5433                    axolotlService.preVerifyFingerprint(account, fingerprint);
5434                    verifiedSomething = true;
5435                }
5436            }
5437        }
5438        return verifiedSomething;
5439    }
5440
5441    public boolean blindTrustBeforeVerification() {
5442        return getBooleanPreference(SettingsActivity.BLIND_TRUST_BEFORE_VERIFICATION, R.bool.btbv);
5443    }
5444
5445    public ShortcutService getShortcutService() {
5446        return mShortcutService;
5447    }
5448
5449    public void pushMamPreferences(Account account, Element prefs) {
5450        IqPacket set = new IqPacket(IqPacket.TYPE.SET);
5451        set.addChild(prefs);
5452        sendIqPacket(account, set, null);
5453    }
5454
5455    public void evictPreview(File f) {
5456        if (mDrawableCache.remove(f.getAbsolutePath()) != null) {
5457            Log.d(Config.LOGTAG, "deleted cached preview");
5458        }
5459    }
5460
5461    public void evictPreview(String uuid) {
5462        if (mDrawableCache.remove(uuid) != null) {
5463            Log.d(Config.LOGTAG, "deleted cached preview");
5464        }
5465    }
5466
5467    public interface OnMamPreferencesFetched {
5468        void onPreferencesFetched(Element prefs);
5469
5470        void onPreferencesFetchFailed();
5471    }
5472
5473    public interface OnAccountCreated {
5474        void onAccountCreated(Account account);
5475
5476        void informUser(int r);
5477    }
5478
5479    public interface OnMoreMessagesLoaded {
5480        void onMoreMessagesLoaded(int count, Conversation conversation);
5481
5482        void informUser(int r);
5483    }
5484
5485    public interface OnAccountPasswordChanged {
5486        void onPasswordChangeSucceeded();
5487
5488        void onPasswordChangeFailed();
5489    }
5490
5491    public interface OnRoomDestroy {
5492        void onRoomDestroySucceeded();
5493
5494        void onRoomDestroyFailed();
5495    }
5496
5497    public interface OnAffiliationChanged {
5498        void onAffiliationChangedSuccessful(Jid jid);
5499
5500        void onAffiliationChangeFailed(Jid jid, int resId);
5501    }
5502
5503    public interface OnConversationUpdate {
5504        default void onConversationUpdate() { onConversationUpdate(false); }
5505        default void onConversationUpdate(boolean newCaps) { onConversationUpdate(); }
5506    }
5507
5508    public interface OnJingleRtpConnectionUpdate {
5509        void onJingleRtpConnectionUpdate(final Account account, final Jid with, final String sessionId, final RtpEndUserState state);
5510
5511        void onAudioDeviceChanged(AppRTCAudioManager.AudioDevice selectedAudioDevice, Set<AppRTCAudioManager.AudioDevice> availableAudioDevices);
5512    }
5513
5514    public interface OnAccountUpdate {
5515        void onAccountUpdate();
5516    }
5517
5518    public interface OnCaptchaRequested {
5519        void onCaptchaRequested(Account account, String id, Data data, Bitmap captcha);
5520    }
5521
5522    public interface OnRosterUpdate {
5523        void onRosterUpdate();
5524    }
5525
5526    public interface OnMucRosterUpdate {
5527        void onMucRosterUpdate();
5528    }
5529
5530    public interface OnConferenceConfigurationFetched {
5531        void onConferenceConfigurationFetched(Conversation conversation);
5532
5533        void onFetchFailed(Conversation conversation, String errorCondition);
5534    }
5535
5536    public interface OnConferenceJoined {
5537        void onConferenceJoined(Conversation conversation);
5538    }
5539
5540    public interface OnConfigurationPushed {
5541        void onPushSucceeded();
5542
5543        void onPushFailed();
5544    }
5545
5546    public interface OnShowErrorToast {
5547        void onShowErrorToast(int resId);
5548    }
5549
5550    public class XmppConnectionBinder extends Binder {
5551        public XmppConnectionService getService() {
5552            return XmppConnectionService.this;
5553        }
5554    }
5555
5556    private class InternalEventReceiver extends BroadcastReceiver {
5557
5558        @Override
5559        public void onReceive(Context context, Intent intent) {
5560            onStartCommand(intent, 0, 0);
5561        }
5562    }
5563
5564    public static class OngoingCall {
5565        public final AbstractJingleConnection.Id id;
5566        public final Set<Media> media;
5567        public final boolean reconnecting;
5568
5569        public OngoingCall(AbstractJingleConnection.Id id, Set<Media> media, final boolean reconnecting) {
5570            this.id = id;
5571            this.media = media;
5572            this.reconnecting = reconnecting;
5573        }
5574
5575        @Override
5576        public boolean equals(Object o) {
5577            if (this == o) return true;
5578            if (o == null || getClass() != o.getClass()) return false;
5579            OngoingCall that = (OngoingCall) o;
5580            return reconnecting == that.reconnecting && Objects.equal(id, that.id) && Objects.equal(media, that.media);
5581        }
5582
5583        @Override
5584        public int hashCode() {
5585            return Objects.hashCode(id, media, reconnecting);
5586        }
5587    }
5588
5589    public static class BlockedMediaException extends Exception { }
5590}