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