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