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