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