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