XmppConnectionService.java

   1package eu.siacs.conversations.services;
   2
   3import android.Manifest;
   4import android.annotation.SuppressLint;
   5import android.annotation.TargetApi;
   6import android.app.AlarmManager;
   7import android.app.KeyguardManager;
   8import android.app.Notification;
   9import android.app.NotificationManager;
  10import android.app.PendingIntent;
  11import android.app.Service;
  12import android.content.BroadcastReceiver;
  13import android.content.ComponentName;
  14import android.content.Context;
  15import android.content.Intent;
  16import android.content.IntentFilter;
  17import android.content.SharedPreferences;
  18import android.content.pm.PackageManager;
  19import android.database.ContentObserver;
  20import android.graphics.Bitmap;
  21import android.media.AudioManager;
  22import android.net.ConnectivityManager;
  23import android.net.NetworkInfo;
  24import android.net.Uri;
  25import android.os.Binder;
  26import android.os.Build;
  27import android.os.Bundle;
  28import android.os.Environment;
  29import android.os.IBinder;
  30import android.os.PowerManager;
  31import android.os.PowerManager.WakeLock;
  32import android.os.SystemClock;
  33import android.preference.PreferenceManager;
  34import android.provider.ContactsContract;
  35import android.security.KeyChain;
  36import android.telephony.PhoneStateListener;
  37import android.telephony.TelephonyManager;
  38import android.text.TextUtils;
  39import android.util.DisplayMetrics;
  40import android.util.Log;
  41import android.util.LruCache;
  42import android.util.Pair;
  43
  44import androidx.annotation.BoolRes;
  45import androidx.annotation.IntegerRes;
  46import androidx.core.app.RemoteInput;
  47import androidx.core.content.ContextCompat;
  48
  49import com.google.common.base.Objects;
  50import com.google.common.base.Strings;
  51
  52import org.conscrypt.Conscrypt;
  53import org.openintents.openpgp.IOpenPgpService2;
  54import org.openintents.openpgp.util.OpenPgpApi;
  55import org.openintents.openpgp.util.OpenPgpServiceConnection;
  56
  57import java.io.File;
  58import java.security.SecureRandom;
  59import java.security.Security;
  60import java.security.cert.CertificateException;
  61import java.security.cert.X509Certificate;
  62import java.util.ArrayList;
  63import java.util.Arrays;
  64import java.util.Collection;
  65import java.util.Collections;
  66import java.util.HashSet;
  67import java.util.Hashtable;
  68import java.util.Iterator;
  69import java.util.List;
  70import java.util.ListIterator;
  71import java.util.Map;
  72import java.util.Set;
  73import java.util.WeakHashMap;
  74import java.util.concurrent.CopyOnWriteArrayList;
  75import java.util.concurrent.CountDownLatch;
  76import java.util.concurrent.atomic.AtomicBoolean;
  77import java.util.concurrent.atomic.AtomicLong;
  78import java.util.concurrent.atomic.AtomicReference;
  79
  80import eu.siacs.conversations.Config;
  81import eu.siacs.conversations.R;
  82import eu.siacs.conversations.android.JabberIdContact;
  83import eu.siacs.conversations.crypto.OmemoSetting;
  84import eu.siacs.conversations.crypto.PgpDecryptionService;
  85import eu.siacs.conversations.crypto.PgpEngine;
  86import eu.siacs.conversations.crypto.axolotl.AxolotlService;
  87import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
  88import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
  89import eu.siacs.conversations.entities.Account;
  90import eu.siacs.conversations.entities.Blockable;
  91import eu.siacs.conversations.entities.Bookmark;
  92import eu.siacs.conversations.entities.Contact;
  93import eu.siacs.conversations.entities.Conversation;
  94import eu.siacs.conversations.entities.Conversational;
  95import eu.siacs.conversations.entities.Message;
  96import eu.siacs.conversations.entities.MucOptions;
  97import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
  98import eu.siacs.conversations.entities.Presence;
  99import eu.siacs.conversations.entities.PresenceTemplate;
 100import eu.siacs.conversations.entities.Roster;
 101import eu.siacs.conversations.entities.ServiceDiscoveryResult;
 102import eu.siacs.conversations.generator.AbstractGenerator;
 103import eu.siacs.conversations.generator.IqGenerator;
 104import eu.siacs.conversations.generator.MessageGenerator;
 105import eu.siacs.conversations.generator.PresenceGenerator;
 106import eu.siacs.conversations.http.HttpConnectionManager;
 107import eu.siacs.conversations.parser.AbstractParser;
 108import eu.siacs.conversations.parser.IqParser;
 109import eu.siacs.conversations.parser.MessageParser;
 110import eu.siacs.conversations.parser.PresenceParser;
 111import eu.siacs.conversations.persistance.DatabaseBackend;
 112import eu.siacs.conversations.persistance.FileBackend;
 113import eu.siacs.conversations.ui.ChooseAccountForProfilePictureActivity;
 114import eu.siacs.conversations.ui.RtpSessionActivity;
 115import eu.siacs.conversations.ui.SettingsActivity;
 116import eu.siacs.conversations.ui.UiCallback;
 117import eu.siacs.conversations.ui.interfaces.OnAvatarPublication;
 118import eu.siacs.conversations.ui.interfaces.OnMediaLoaded;
 119import eu.siacs.conversations.ui.interfaces.OnSearchResultsAvailable;
 120import eu.siacs.conversations.utils.Compatibility;
 121import eu.siacs.conversations.utils.ConversationsFileObserver;
 122import eu.siacs.conversations.utils.CryptoHelper;
 123import eu.siacs.conversations.utils.EasyOnboardingInvite;
 124import eu.siacs.conversations.utils.ExceptionHelper;
 125import eu.siacs.conversations.utils.MimeUtils;
 126import eu.siacs.conversations.utils.PhoneHelper;
 127import eu.siacs.conversations.utils.QuickLoader;
 128import eu.siacs.conversations.utils.ReplacingSerialSingleThreadExecutor;
 129import eu.siacs.conversations.utils.ReplacingTaskManager;
 130import eu.siacs.conversations.utils.Resolver;
 131import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
 132import eu.siacs.conversations.utils.StringUtils;
 133import eu.siacs.conversations.utils.TorServiceUtils;
 134import eu.siacs.conversations.utils.WakeLockHelper;
 135import eu.siacs.conversations.utils.XmppUri;
 136import eu.siacs.conversations.xml.Element;
 137import eu.siacs.conversations.xml.LocalizedContent;
 138import eu.siacs.conversations.xml.Namespace;
 139import eu.siacs.conversations.xmpp.Jid;
 140import eu.siacs.conversations.xmpp.OnBindListener;
 141import eu.siacs.conversations.xmpp.OnContactStatusChanged;
 142import eu.siacs.conversations.xmpp.OnIqPacketReceived;
 143import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
 144import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
 145import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 146import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
 147import eu.siacs.conversations.xmpp.OnStatusChanged;
 148import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
 149import eu.siacs.conversations.xmpp.Patches;
 150import eu.siacs.conversations.xmpp.XmppConnection;
 151import eu.siacs.conversations.xmpp.chatstate.ChatState;
 152import eu.siacs.conversations.xmpp.forms.Data;
 153import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
 154import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 155import eu.siacs.conversations.xmpp.jingle.JingleRtpConnection;
 156import eu.siacs.conversations.xmpp.jingle.Media;
 157import eu.siacs.conversations.xmpp.jingle.RtpEndUserState;
 158import eu.siacs.conversations.xmpp.mam.MamReference;
 159import eu.siacs.conversations.xmpp.pep.Avatar;
 160import eu.siacs.conversations.xmpp.pep.PublishOptions;
 161import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 162import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 163import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 164import me.leolin.shortcutbadger.ShortcutBadger;
 165
 166public class XmppConnectionService extends Service {
 167
 168    public static final String ACTION_REPLY_TO_CONVERSATION = "reply_to_conversations";
 169    public static final String ACTION_MARK_AS_READ = "mark_as_read";
 170    public static final String ACTION_SNOOZE = "snooze";
 171    public static final String ACTION_CLEAR_NOTIFICATION = "clear_notification";
 172    public static final String ACTION_DISMISS_ERROR_NOTIFICATIONS = "dismiss_error";
 173    public static final String ACTION_TRY_AGAIN = "try_again";
 174    public static final String ACTION_IDLE_PING = "idle_ping";
 175    public static final String ACTION_FCM_TOKEN_REFRESH = "fcm_token_refresh";
 176    public static final String ACTION_FCM_MESSAGE_RECEIVED = "fcm_message_received";
 177    public static final String ACTION_DISMISS_CALL = "dismiss_call";
 178    public static final String ACTION_END_CALL = "end_call";
 179    public static final String ACTION_PROVISION_ACCOUNT = "provision_account";
 180    private static final String ACTION_POST_CONNECTIVITY_CHANGE = "eu.siacs.conversations.POST_CONNECTIVITY_CHANGE";
 181
 182    private static final String SETTING_LAST_ACTIVITY_TS = "last_activity_timestamp";
 183
 184    public final CountDownLatch restoredFromDatabaseLatch = new CountDownLatch(1);
 185    private final SerialSingleThreadExecutor mFileAddingExecutor = new SerialSingleThreadExecutor("FileAdding");
 186    private final SerialSingleThreadExecutor mVideoCompressionExecutor = new SerialSingleThreadExecutor("VideoCompression");
 187    private final SerialSingleThreadExecutor mDatabaseWriterExecutor = new SerialSingleThreadExecutor("DatabaseWriter");
 188    private final SerialSingleThreadExecutor mDatabaseReaderExecutor = new SerialSingleThreadExecutor("DatabaseReader");
 189    private final SerialSingleThreadExecutor mNotificationExecutor = new SerialSingleThreadExecutor("NotificationExecutor");
 190    private final ReplacingTaskManager mRosterSyncTaskManager = new ReplacingTaskManager();
 191    private final IBinder mBinder = new XmppConnectionBinder();
 192    private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 193    private final IqGenerator mIqGenerator = new IqGenerator(this);
 194    private final Set<String> mInProgressAvatarFetches = new HashSet<>();
 195    private final Set<String> mOmittedPepAvatarFetches = new HashSet<>();
 196    private final HashSet<Jid> mLowPingTimeoutMode = new HashSet<>();
 197    private final OnIqPacketReceived mDefaultIqHandler = (account, packet) -> {
 198        if (packet.getType() != IqPacket.TYPE.RESULT) {
 199            Element error = packet.findChild("error");
 200            String text = error != null ? error.findChildContent("text") : null;
 201            if (text != null) {
 202                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received iq error - " + text);
 203            }
 204        }
 205    };
 206    public DatabaseBackend databaseBackend;
 207    private final ReplacingSerialSingleThreadExecutor mContactMergerExecutor = new ReplacingSerialSingleThreadExecutor("ContactMerger");
 208    private long mLastActivity = 0;
 209    private final FileBackend fileBackend = new FileBackend(this);
 210    private MemorizingTrustManager mMemorizingTrustManager;
 211    private final NotificationService mNotificationService = new NotificationService(this);
 212    private final ChannelDiscoveryService mChannelDiscoveryService = new ChannelDiscoveryService(this);
 213    private final ShortcutService mShortcutService = new ShortcutService(this);
 214    private final AtomicBoolean mInitialAddressbookSyncCompleted = new AtomicBoolean(false);
 215    private final AtomicBoolean mForceForegroundService = new AtomicBoolean(false);
 216    private final AtomicBoolean mForceDuringOnCreate = new AtomicBoolean(false);
 217    private final AtomicReference<OngoingCall> ongoingCall = new AtomicReference<>();
 218    private final OnMessagePacketReceived mMessageParser = new MessageParser(this);
 219    private final OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 220    private final IqParser mIqParser = new IqParser(this);
 221    private final MessageGenerator mMessageGenerator = new MessageGenerator(this);
 222    public OnContactStatusChanged onContactStatusChanged = (contact, online) -> {
 223        Conversation conversation = find(getConversations(), contact);
 224        if (conversation != null) {
 225            if (online) {
 226                if (contact.getPresences().size() == 1) {
 227                    sendUnsentMessages(conversation);
 228                }
 229            }
 230        }
 231    };
 232    private final PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 233    private List<Account> accounts;
 234    private final JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(this);
 235    private final HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(this);
 236    private final AvatarService mAvatarService = new AvatarService(this);
 237    private final MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 238    private final PushManagementService mPushManagementService = new PushManagementService(this);
 239    private final QuickConversationsService mQuickConversationsService = new QuickConversationsService(this);
 240    private final ConversationsFileObserver fileObserver = new ConversationsFileObserver(
 241            Environment.getExternalStorageDirectory().getAbsolutePath()
 242    ) {
 243        @Override
 244        public void onEvent(final int event, final File file) {
 245            markFileDeleted(file);
 246        }
 247    };
 248    private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 249
 250        @Override
 251        public boolean onMessageAcknowledged(final Account account, final Jid to, final String id) {
 252            if (id.startsWith(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX)) {
 253                final String sessionId = id.substring(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX.length());
 254                mJingleConnectionManager.updateProposedSessionDiscovered(
 255                        account,
 256                        to,
 257                        sessionId,
 258                        JingleConnectionManager.DeviceDiscoveryState.SEARCHING_ACKNOWLEDGED
 259                );
 260            }
 261
 262
 263            final Jid bare = to.asBareJid();
 264
 265            for (final Conversation conversation : getConversations()) {
 266                if (conversation.getAccount() == account && conversation.getJid().asBareJid().equals(bare)) {
 267                    final Message message = conversation.findUnsentMessageWithUuid(id);
 268                    if (message != null) {
 269                        message.setStatus(Message.STATUS_SEND);
 270                        message.setErrorMessage(null);
 271                        databaseBackend.updateMessage(message, false);
 272                        return true;
 273                    }
 274                }
 275            }
 276            return false;
 277        }
 278    };
 279    private final AtomicBoolean isPhoneInCall = new AtomicBoolean(false);
 280    private final PhoneStateListener phoneStateListener = new PhoneStateListener() {
 281        @Override
 282        public void onCallStateChanged(final int state, final String phoneNumber) {
 283            isPhoneInCall.set(state != TelephonyManager.CALL_STATE_IDLE);
 284            if (state == TelephonyManager.CALL_STATE_OFFHOOK) {
 285                mJingleConnectionManager.notifyPhoneCallStarted();
 286            }
 287        }
 288    };
 289
 290    private boolean destroyed = false;
 291
 292    private int unreadCount = -1;
 293
 294    //Ui callback listeners
 295    private final Set<OnConversationUpdate> mOnConversationUpdates = Collections.newSetFromMap(new WeakHashMap<OnConversationUpdate, Boolean>());
 296    private final Set<OnShowErrorToast> mOnShowErrorToasts = Collections.newSetFromMap(new WeakHashMap<OnShowErrorToast, Boolean>());
 297    private final Set<OnAccountUpdate> mOnAccountUpdates = Collections.newSetFromMap(new WeakHashMap<OnAccountUpdate, Boolean>());
 298    private final Set<OnCaptchaRequested> mOnCaptchaRequested = Collections.newSetFromMap(new WeakHashMap<OnCaptchaRequested, Boolean>());
 299    private final Set<OnRosterUpdate> mOnRosterUpdates = Collections.newSetFromMap(new WeakHashMap<OnRosterUpdate, Boolean>());
 300    private final Set<OnUpdateBlocklist> mOnUpdateBlocklist = Collections.newSetFromMap(new WeakHashMap<OnUpdateBlocklist, Boolean>());
 301    private final Set<OnMucRosterUpdate> mOnMucRosterUpdate = Collections.newSetFromMap(new WeakHashMap<OnMucRosterUpdate, Boolean>());
 302    private final Set<OnKeyStatusUpdated> mOnKeyStatusUpdated = Collections.newSetFromMap(new WeakHashMap<OnKeyStatusUpdated, Boolean>());
 303    private final Set<OnJingleRtpConnectionUpdate> onJingleRtpConnectionUpdate = Collections.newSetFromMap(new WeakHashMap<OnJingleRtpConnectionUpdate, Boolean>());
 304
 305    private final Object LISTENER_LOCK = new Object();
 306
 307
 308    public final Set<String> FILENAMES_TO_IGNORE_DELETION = new HashSet<>();
 309
 310
 311    private final OnBindListener mOnBindListener = new OnBindListener() {
 312
 313        @Override
 314        public void onBind(final Account account) {
 315            synchronized (mInProgressAvatarFetches) {
 316                for (Iterator<String> iterator = mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
 317                    final String KEY = iterator.next();
 318                    if (KEY.startsWith(account.getJid().asBareJid() + "_")) {
 319                        iterator.remove();
 320                    }
 321                }
 322            }
 323            boolean loggedInSuccessfully = account.setOption(Account.OPTION_LOGGED_IN_SUCCESSFULLY, true);
 324            boolean gainedFeature = account.setOption(Account.OPTION_HTTP_UPLOAD_AVAILABLE, account.getXmppConnection().getFeatures().httpUpload(0));
 325            if (loggedInSuccessfully || gainedFeature) {
 326                databaseBackend.updateAccount(account);
 327            }
 328
 329            if (loggedInSuccessfully) {
 330                if (!TextUtils.isEmpty(account.getDisplayName())) {
 331                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": display name wasn't empty on first log in. publishing");
 332                    publishDisplayName(account);
 333                }
 334            }
 335
 336            account.getRoster().clearPresences();
 337            synchronized (account.inProgressConferenceJoins) {
 338                account.inProgressConferenceJoins.clear();
 339            }
 340            synchronized (account.inProgressConferencePings) {
 341                account.inProgressConferencePings.clear();
 342            }
 343            mJingleConnectionManager.notifyRebound(account);
 344            mQuickConversationsService.considerSyncBackground(false);
 345            fetchRosterFromServer(account);
 346
 347            final XmppConnection connection = account.getXmppConnection();
 348
 349            if (connection.getFeatures().bookmarks2()) {
 350                fetchBookmarks2(account);
 351            } else if (!account.getXmppConnection().getFeatures().bookmarksConversion()) {
 352                fetchBookmarks(account);
 353            }
 354            final boolean flexible = account.getXmppConnection().getFeatures().flexibleOfflineMessageRetrieval();
 355            final boolean catchup = getMessageArchiveService().inCatchup(account);
 356            if (flexible && catchup && account.getXmppConnection().isMamPreferenceAlways()) {
 357                sendIqPacket(account, mIqGenerator.purgeOfflineMessages(), (acc, packet) -> {
 358                    if (packet.getType() == IqPacket.TYPE.RESULT) {
 359                        Log.d(Config.LOGTAG, acc.getJid().asBareJid() + ": successfully purged offline messages");
 360                    }
 361                });
 362            }
 363            sendPresence(account);
 364            if (mPushManagementService.available(account)) {
 365                mPushManagementService.registerPushTokenOnServer(account);
 366            }
 367            connectMultiModeConversations(account);
 368            syncDirtyContacts(account);
 369
 370        }
 371    };
 372    private final AtomicLong mLastExpiryRun = new AtomicLong(0);
 373    private SecureRandom mRandom;
 374    private final LruCache<Pair<String, String>, ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 375    private final OnStatusChanged statusListener = new OnStatusChanged() {
 376
 377        @Override
 378        public void onStatusChanged(final Account account) {
 379            XmppConnection connection = account.getXmppConnection();
 380            updateAccountUi();
 381
 382            if (account.getStatus() == Account.State.ONLINE || account.getStatus().isError()) {
 383                mQuickConversationsService.signalAccountStateChange();
 384            }
 385
 386            if (account.getStatus() == Account.State.ONLINE) {
 387                synchronized (mLowPingTimeoutMode) {
 388                    if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 389                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 390                    }
 391                }
 392                if (account.setShowErrorNotification(true)) {
 393                    databaseBackend.updateAccount(account);
 394                }
 395                mMessageArchiveService.executePendingQueries(account);
 396                if (connection != null && connection.getFeatures().csi()) {
 397                    if (checkListeners()) {
 398                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//inactive");
 399                        connection.sendInactive();
 400                    } else {
 401                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//active");
 402                        connection.sendActive();
 403                    }
 404                }
 405                List<Conversation> conversations = getConversations();
 406                for (Conversation conversation : conversations) {
 407                    final boolean inProgressJoin;
 408                    synchronized (account.inProgressConferenceJoins) {
 409                        inProgressJoin = account.inProgressConferenceJoins.contains(conversation);
 410                    }
 411                    final boolean pendingJoin;
 412                    synchronized (account.pendingConferenceJoins) {
 413                        pendingJoin = account.pendingConferenceJoins.contains(conversation);
 414                    }
 415                    if (conversation.getAccount() == account
 416                            && !pendingJoin
 417                            && !inProgressJoin) {
 418                        sendUnsentMessages(conversation);
 419                    }
 420                }
 421                final List<Conversation> pendingLeaves;
 422                synchronized (account.pendingConferenceLeaves) {
 423                    pendingLeaves = new ArrayList<>(account.pendingConferenceLeaves);
 424                    account.pendingConferenceLeaves.clear();
 425
 426                }
 427                for (Conversation conversation : pendingLeaves) {
 428                    leaveMuc(conversation);
 429                }
 430                final List<Conversation> pendingJoins;
 431                synchronized (account.pendingConferenceJoins) {
 432                    pendingJoins = new ArrayList<>(account.pendingConferenceJoins);
 433                    account.pendingConferenceJoins.clear();
 434                }
 435                for (Conversation conversation : pendingJoins) {
 436                    joinMuc(conversation);
 437                }
 438                scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 439            } else if (account.getStatus() == Account.State.OFFLINE || account.getStatus() == Account.State.DISABLED) {
 440                resetSendingToWaiting(account);
 441                if (account.isEnabled() && isInLowPingTimeoutMode(account)) {
 442                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": went into offline state during low ping mode. reconnecting now");
 443                    reconnectAccount(account, true, false);
 444                } else {
 445                    int timeToReconnect = mRandom.nextInt(10) + 2;
 446                    scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 447                }
 448            } else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 449                databaseBackend.updateAccount(account);
 450                reconnectAccount(account, true, false);
 451            } else if (account.getStatus() != Account.State.CONNECTING && account.getStatus() != Account.State.NO_INTERNET) {
 452                resetSendingToWaiting(account);
 453                if (connection != null && account.getStatus().isAttemptReconnect()) {
 454                    final int next = connection.getTimeToNextAttempt();
 455                    final boolean lowPingTimeoutMode = isInLowPingTimeoutMode(account);
 456                    if (next <= 0) {
 457                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. reconnecting now. lowPingTimeout=" + lowPingTimeoutMode);
 458                        reconnectAccount(account, true, false);
 459                    } else {
 460                        final int attempt = connection.getAttempt() + 1;
 461                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. try again in " + next + "s for the " + attempt + " time. lowPingTimeout=" + lowPingTimeoutMode);
 462                        scheduleWakeUpCall(next, account.getUuid().hashCode());
 463                    }
 464                }
 465            }
 466            getNotificationService().updateErrorNotification();
 467        }
 468    };
 469    private OpenPgpServiceConnection pgpServiceConnection;
 470    private PgpEngine mPgpEngine = null;
 471    private WakeLock wakeLock;
 472    private PowerManager pm;
 473    private LruCache<String, Bitmap> mBitmapCache;
 474    private final BroadcastReceiver mInternalEventReceiver = new InternalEventReceiver();
 475    private final BroadcastReceiver mInternalScreenEventReceiver = new InternalEventReceiver();
 476
 477    private static String generateFetchKey(Account account, final Avatar avatar) {
 478        return account.getJid().asBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 479    }
 480
 481    private boolean isInLowPingTimeoutMode(Account account) {
 482        synchronized (mLowPingTimeoutMode) {
 483            return mLowPingTimeoutMode.contains(account.getJid().asBareJid());
 484        }
 485    }
 486
 487    public void startForcingForegroundNotification() {
 488        mForceForegroundService.set(true);
 489        toggleForegroundService();
 490    }
 491
 492    public void stopForcingForegroundNotification() {
 493        mForceForegroundService.set(false);
 494        toggleForegroundService();
 495    }
 496
 497    public boolean areMessagesInitialized() {
 498        return this.restoredFromDatabaseLatch.getCount() == 0;
 499    }
 500
 501    public PgpEngine getPgpEngine() {
 502        if (!Config.supportOpenPgp()) {
 503            return null;
 504        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 505            if (this.mPgpEngine == null) {
 506                this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 507                        getApplicationContext(),
 508                        pgpServiceConnection.getService()), this);
 509            }
 510            return mPgpEngine;
 511        } else {
 512            return null;
 513        }
 514
 515    }
 516
 517    public OpenPgpApi getOpenPgpApi() {
 518        if (!Config.supportOpenPgp()) {
 519            return null;
 520        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 521            return new OpenPgpApi(this, pgpServiceConnection.getService());
 522        } else {
 523            return null;
 524        }
 525    }
 526
 527    public FileBackend getFileBackend() {
 528        return this.fileBackend;
 529    }
 530
 531    public AvatarService getAvatarService() {
 532        return this.mAvatarService;
 533    }
 534
 535    public void attachLocationToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 536        int encryption = conversation.getNextEncryption();
 537        if (encryption == Message.ENCRYPTION_PGP) {
 538            encryption = Message.ENCRYPTION_DECRYPTED;
 539        }
 540        Message message = new Message(conversation, uri.toString(), encryption);
 541        Message.configurePrivateMessage(message);
 542        if (encryption == Message.ENCRYPTION_DECRYPTED) {
 543            getPgpEngine().encrypt(message, callback);
 544        } else {
 545            sendMessage(message);
 546            callback.success(message);
 547        }
 548    }
 549
 550    public void attachFileToConversation(final Conversation conversation, final Uri uri, final String type, final UiCallback<Message> callback) {
 551        final Message message;
 552        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 553            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 554        } else {
 555            message = new Message(conversation, "", conversation.getNextEncryption());
 556        }
 557        if (!Message.configurePrivateFileMessage(message)) {
 558            message.setCounterpart(conversation.getNextCounterpart());
 559            message.setType(Message.TYPE_FILE);
 560        }
 561        Log.d(Config.LOGTAG, "attachFile: type=" + message.getType());
 562        Log.d(Config.LOGTAG, "counterpart=" + message.getCounterpart());
 563        final AttachFileToConversationRunnable runnable = new AttachFileToConversationRunnable(this, uri, type, message, callback);
 564        if (runnable.isVideoMessage()) {
 565            mVideoCompressionExecutor.execute(runnable);
 566        } else {
 567            mFileAddingExecutor.execute(runnable);
 568        }
 569    }
 570
 571    public void attachImageToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 572        final String mimeType = MimeUtils.guessMimeTypeFromUri(this, uri);
 573        final String compressPictures = getCompressPicturesPreference();
 574
 575        if ("never".equals(compressPictures)
 576                || ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))
 577                || (mimeType != null && mimeType.endsWith("/gif"))
 578                || getFileBackend().unusualBounds(uri)) {
 579            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": not compressing picture. sending as file");
 580            attachFileToConversation(conversation, uri, mimeType, callback);
 581            return;
 582        }
 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_IMAGE);
 592        }
 593        Log.d(Config.LOGTAG, "attachImage: type=" + message.getType());
 594        mFileAddingExecutor.execute(() -> {
 595            try {
 596                getFileBackend().copyImageToPrivateStorage(message, uri);
 597            } catch (FileBackend.ImageCompressionException e) {
 598                Log.d(Config.LOGTAG, "unable to compress image. fall back to file transfer", e);
 599                attachFileToConversation(conversation, uri, mimeType, callback);
 600                return;
 601            } catch (final FileBackend.FileCopyException e) {
 602                callback.error(e.getResId(), message);
 603                return;
 604            }
 605            if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 606                final PgpEngine pgpEngine = getPgpEngine();
 607                if (pgpEngine != null) {
 608                    pgpEngine.encrypt(message, callback);
 609                } else if (callback != null) {
 610                    callback.error(R.string.unable_to_connect_to_keychain, null);
 611                }
 612            } else {
 613                sendMessage(message);
 614                callback.success(message);
 615            }
 616        });
 617    }
 618
 619    public Conversation find(Bookmark bookmark) {
 620        return find(bookmark.getAccount(), bookmark.getJid());
 621    }
 622
 623    public Conversation find(final Account account, final Jid jid) {
 624        return find(getConversations(), account, jid);
 625    }
 626
 627    public boolean isMuc(final Account account, final Jid jid) {
 628        final Conversation c = find(account, jid);
 629        return c != null && c.getMode() == Conversational.MODE_MULTI;
 630    }
 631
 632    public void search(final List<String> term, final String uuid, final OnSearchResultsAvailable onSearchResultsAvailable) {
 633        MessageSearchTask.search(this, term, uuid, onSearchResultsAvailable);
 634    }
 635
 636    @Override
 637    public int onStartCommand(Intent intent, int flags, int startId) {
 638        final String action = intent == null ? null : intent.getAction();
 639        final boolean needsForegroundService = intent != null && intent.getBooleanExtra(EventReceiver.EXTRA_NEEDS_FOREGROUND_SERVICE, false);
 640        if (needsForegroundService) {
 641            Log.d(Config.LOGTAG, "toggle forced foreground service after receiving event (action=" + action + ")");
 642            toggleForegroundService(true);
 643        }
 644        String pushedAccountHash = null;
 645        boolean interactive = false;
 646        if (action != null) {
 647            final String uuid = intent.getStringExtra("uuid");
 648            switch (action) {
 649                case QuickConversationsService.SMS_RETRIEVED_ACTION:
 650                    mQuickConversationsService.handleSmsReceived(intent);
 651                    break;
 652                case ConnectivityManager.CONNECTIVITY_ACTION:
 653                    if (hasInternetConnection()) {
 654                        if (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0) {
 655                            schedulePostConnectivityChange();
 656                        }
 657                        if (Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 658                            resetAllAttemptCounts(true, false);
 659                        }
 660                    }
 661                    break;
 662                case Intent.ACTION_SHUTDOWN:
 663                    logoutAndSave(true);
 664                    return START_NOT_STICKY;
 665                case ACTION_CLEAR_NOTIFICATION:
 666                    mNotificationExecutor.execute(() -> {
 667                        try {
 668                            final Conversation c = findConversationByUuid(uuid);
 669                            if (c != null) {
 670                                mNotificationService.clear(c);
 671                            } else {
 672                                mNotificationService.clear();
 673                            }
 674                            restoredFromDatabaseLatch.await();
 675
 676                        } catch (InterruptedException e) {
 677                            Log.d(Config.LOGTAG, "unable to process clear notification");
 678                        }
 679                    });
 680                    break;
 681                case ACTION_DISMISS_CALL: {
 682                    final String sessionId = intent.getStringExtra(RtpSessionActivity.EXTRA_SESSION_ID);
 683                    Log.d(Config.LOGTAG, "received intent to dismiss call with session id " + sessionId);
 684                    mJingleConnectionManager.rejectRtpSession(sessionId);
 685                    break;
 686                }
 687                case TorServiceUtils.ACTION_STATUS:
 688                    final String status = intent.getStringExtra(TorServiceUtils.EXTRA_STATUS);
 689                    //TODO port and host are in 'extras' - but this may not be a reliable source?
 690                    if ("ON".equals(status)) {
 691                        handleOrbotStartedEvent();
 692                        return START_STICKY;
 693                    }
 694                    break;
 695                case ACTION_END_CALL: {
 696                    final String sessionId = intent.getStringExtra(RtpSessionActivity.EXTRA_SESSION_ID);
 697                    Log.d(Config.LOGTAG, "received intent to end call with session id " + sessionId);
 698                    mJingleConnectionManager.endRtpSession(sessionId);
 699                }
 700                break;
 701                case ACTION_PROVISION_ACCOUNT: {
 702                    final String address = intent.getStringExtra("address");
 703                    final String password = intent.getStringExtra("password");
 704                    if (QuickConversationsService.isQuicksy() || Strings.isNullOrEmpty(address) || Strings.isNullOrEmpty(password)) {
 705                        break;
 706                    }
 707                    provisionAccount(address, password);
 708                    break;
 709                }
 710                case ACTION_DISMISS_ERROR_NOTIFICATIONS:
 711                    dismissErrorNotifications();
 712                    break;
 713                case ACTION_TRY_AGAIN:
 714                    resetAllAttemptCounts(false, true);
 715                    interactive = true;
 716                    break;
 717                case ACTION_REPLY_TO_CONVERSATION:
 718                    Bundle remoteInput = RemoteInput.getResultsFromIntent(intent);
 719                    if (remoteInput == null) {
 720                        break;
 721                    }
 722                    final CharSequence body = remoteInput.getCharSequence("text_reply");
 723                    final boolean dismissNotification = intent.getBooleanExtra("dismiss_notification", false);
 724                    if (body == null || body.length() <= 0) {
 725                        break;
 726                    }
 727                    mNotificationExecutor.execute(() -> {
 728                        try {
 729                            restoredFromDatabaseLatch.await();
 730                            final Conversation c = findConversationByUuid(uuid);
 731                            if (c != null) {
 732                                directReply(c, body.toString(), dismissNotification);
 733                            }
 734                        } catch (InterruptedException e) {
 735                            Log.d(Config.LOGTAG, "unable to process direct reply");
 736                        }
 737                    });
 738                    break;
 739                case ACTION_MARK_AS_READ:
 740                    mNotificationExecutor.execute(() -> {
 741                        final Conversation c = findConversationByUuid(uuid);
 742                        if (c == null) {
 743                            Log.d(Config.LOGTAG, "received mark read intent for unknown conversation (" + uuid + ")");
 744                            return;
 745                        }
 746                        try {
 747                            restoredFromDatabaseLatch.await();
 748                            sendReadMarker(c, null);
 749                        } catch (InterruptedException e) {
 750                            Log.d(Config.LOGTAG, "unable to process notification read marker for conversation " + c.getName());
 751                        }
 752
 753                    });
 754                    break;
 755                case ACTION_SNOOZE:
 756                    mNotificationExecutor.execute(() -> {
 757                        final Conversation c = findConversationByUuid(uuid);
 758                        if (c == null) {
 759                            Log.d(Config.LOGTAG, "received snooze intent for unknown conversation (" + uuid + ")");
 760                            return;
 761                        }
 762                        c.setMutedTill(System.currentTimeMillis() + 30 * 60 * 1000);
 763                        mNotificationService.clear(c);
 764                        updateConversation(c);
 765                    });
 766                case AudioManager.RINGER_MODE_CHANGED_ACTION:
 767                case NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED:
 768                    if (dndOnSilentMode()) {
 769                        refreshAllPresences();
 770                    }
 771                    break;
 772                case Intent.ACTION_SCREEN_ON:
 773                    deactivateGracePeriod();
 774                case Intent.ACTION_USER_PRESENT:
 775                case Intent.ACTION_SCREEN_OFF:
 776                    if (awayWhenScreenLocked()) {
 777                        refreshAllPresences();
 778                    }
 779                    break;
 780                case ACTION_FCM_TOKEN_REFRESH:
 781                    refreshAllFcmTokens();
 782                    break;
 783                case ACTION_IDLE_PING:
 784                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 785                        scheduleNextIdlePing();
 786                    }
 787                    break;
 788                case ACTION_FCM_MESSAGE_RECEIVED:
 789                    pushedAccountHash = intent.getStringExtra("account");
 790                    Log.d(Config.LOGTAG, "push message arrived in service. account=" + pushedAccountHash);
 791                    break;
 792                case Intent.ACTION_SEND:
 793                    Uri uri = intent.getData();
 794                    if (uri != null) {
 795                        Log.d(Config.LOGTAG, "received uri permission for " + uri.toString());
 796                    }
 797                    return START_STICKY;
 798            }
 799        }
 800        synchronized (this) {
 801            WakeLockHelper.acquire(wakeLock);
 802            boolean pingNow = ConnectivityManager.CONNECTIVITY_ACTION.equals(action) || (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0 && ACTION_POST_CONNECTIVITY_CHANGE.equals(action));
 803            final HashSet<Account> pingCandidates = new HashSet<>();
 804            final String androidId = PhoneHelper.getAndroidId(this);
 805            for (Account account : accounts) {
 806                final boolean pushWasMeantForThisAccount = CryptoHelper.getAccountFingerprint(account, androidId).equals(pushedAccountHash);
 807                pingNow |= processAccountState(account,
 808                        interactive,
 809                        "ui".equals(action),
 810                        pushWasMeantForThisAccount,
 811                        pingCandidates);
 812            }
 813            if (pingNow) {
 814                for (Account account : pingCandidates) {
 815                    final boolean lowTimeout = isInLowPingTimeoutMode(account);
 816                    account.getXmppConnection().sendPing();
 817                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + " send ping (action=" + action + ",lowTimeout=" + lowTimeout + ")");
 818                    scheduleWakeUpCall(lowTimeout ? Config.LOW_PING_TIMEOUT : Config.PING_TIMEOUT, account.getUuid().hashCode());
 819                }
 820            }
 821            WakeLockHelper.release(wakeLock);
 822        }
 823        if (SystemClock.elapsedRealtime() - mLastExpiryRun.get() >= Config.EXPIRY_INTERVAL) {
 824            expireOldMessages();
 825        }
 826        return START_STICKY;
 827    }
 828
 829    private void handleOrbotStartedEvent() {
 830        for (final Account account : accounts) {
 831            if (account.getStatus() == Account.State.TOR_NOT_AVAILABLE) {
 832                reconnectAccount(account, true, false);
 833            }
 834        }
 835    }
 836
 837    private boolean processAccountState(Account account, boolean interactive, boolean isUiAction, boolean isAccountPushed, HashSet<Account> pingCandidates) {
 838        boolean pingNow = false;
 839        if (account.getStatus().isAttemptReconnect()) {
 840            if (!hasInternetConnection()) {
 841                account.setStatus(Account.State.NO_INTERNET);
 842                if (statusListener != null) {
 843                    statusListener.onStatusChanged(account);
 844                }
 845            } else {
 846                if (account.getStatus() == Account.State.NO_INTERNET) {
 847                    account.setStatus(Account.State.OFFLINE);
 848                    if (statusListener != null) {
 849                        statusListener.onStatusChanged(account);
 850                    }
 851                }
 852                if (account.getStatus() == Account.State.ONLINE) {
 853                    synchronized (mLowPingTimeoutMode) {
 854                        long lastReceived = account.getXmppConnection().getLastPacketReceived();
 855                        long lastSent = account.getXmppConnection().getLastPingSent();
 856                        long pingInterval = isUiAction ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 857                        long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 858                        int pingTimeout = mLowPingTimeoutMode.contains(account.getJid().asBareJid()) ? Config.LOW_PING_TIMEOUT * 1000 : Config.PING_TIMEOUT * 1000;
 859                        long pingTimeoutIn = (lastSent + pingTimeout) - SystemClock.elapsedRealtime();
 860                        if (lastSent > lastReceived) {
 861                            if (pingTimeoutIn < 0) {
 862                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ping timeout");
 863                                this.reconnectAccount(account, true, interactive);
 864                            } else {
 865                                int secs = (int) (pingTimeoutIn / 1000);
 866                                this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
 867                            }
 868                        } else {
 869                            pingCandidates.add(account);
 870                            if (isAccountPushed) {
 871                                pingNow = true;
 872                                if (mLowPingTimeoutMode.add(account.getJid().asBareJid())) {
 873                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": entering low ping timeout mode");
 874                                }
 875                            } else if (msToNextPing <= 0) {
 876                                pingNow = true;
 877                            } else {
 878                                this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 879                                if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 880                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 881                                }
 882                            }
 883                        }
 884                    }
 885                } else if (account.getStatus() == Account.State.OFFLINE) {
 886                    reconnectAccount(account, true, interactive);
 887                } else if (account.getStatus() == Account.State.CONNECTING) {
 888                    long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
 889                    long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
 890                    long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
 891                    long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
 892                    if (timeout < 0) {
 893                        Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting (secondsSinceLast=" + secondsSinceLastConnect + ")");
 894                        account.getXmppConnection().resetAttemptCount(false);
 895                        reconnectAccount(account, true, interactive);
 896                    } else if (discoTimeout < 0) {
 897                        account.getXmppConnection().sendDiscoTimeout();
 898                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 899                    } else {
 900                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 901                    }
 902                } else {
 903                    if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 904                        reconnectAccount(account, true, interactive);
 905                    }
 906                }
 907            }
 908        }
 909        return pingNow;
 910    }
 911
 912    public void reinitializeMuclumbusService() {
 913        mChannelDiscoveryService.initializeMuclumbusService();
 914    }
 915
 916    public void discoverChannels(String query, ChannelDiscoveryService.Method method, ChannelDiscoveryService.OnChannelSearchResultsFound onChannelSearchResultsFound) {
 917        mChannelDiscoveryService.discover(Strings.nullToEmpty(query).trim(), method, onChannelSearchResultsFound);
 918    }
 919
 920    public boolean isDataSaverDisabled() {
 921        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 922            ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
 923            return !connectivityManager.isActiveNetworkMetered()
 924                    || connectivityManager.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
 925        } else {
 926            return true;
 927        }
 928    }
 929
 930    private void directReply(Conversation conversation, String body, final boolean dismissAfterReply) {
 931        Message message = new Message(conversation, body, conversation.getNextEncryption());
 932        message.markUnread();
 933        if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 934            getPgpEngine().encrypt(message, new UiCallback<Message>() {
 935                @Override
 936                public void success(Message message) {
 937                    if (dismissAfterReply) {
 938                        markRead((Conversation) message.getConversation(), true);
 939                    } else {
 940                        mNotificationService.pushFromDirectReply(message);
 941                    }
 942                }
 943
 944                @Override
 945                public void error(int errorCode, Message object) {
 946
 947                }
 948
 949                @Override
 950                public void userInputRequired(PendingIntent pi, Message object) {
 951
 952                }
 953            });
 954        } else {
 955            sendMessage(message);
 956            if (dismissAfterReply) {
 957                markRead(conversation, true);
 958            } else {
 959                mNotificationService.pushFromDirectReply(message);
 960            }
 961        }
 962    }
 963
 964    private boolean dndOnSilentMode() {
 965        return getBooleanPreference(SettingsActivity.DND_ON_SILENT_MODE, R.bool.dnd_on_silent_mode);
 966    }
 967
 968    private boolean manuallyChangePresence() {
 969        return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
 970    }
 971
 972    private boolean treatVibrateAsSilent() {
 973        return getBooleanPreference(SettingsActivity.TREAT_VIBRATE_AS_SILENT, R.bool.treat_vibrate_as_silent);
 974    }
 975
 976    private boolean awayWhenScreenLocked() {
 977        return getBooleanPreference(SettingsActivity.AWAY_WHEN_SCREEN_IS_OFF, R.bool.away_when_screen_off);
 978    }
 979
 980    private String getCompressPicturesPreference() {
 981        return getPreferences().getString("picture_compression", getResources().getString(R.string.picture_compression));
 982    }
 983
 984    private Presence.Status getTargetPresence() {
 985        if (dndOnSilentMode() && isPhoneSilenced()) {
 986            return Presence.Status.DND;
 987        } else if (awayWhenScreenLocked() && isScreenLocked()) {
 988            return Presence.Status.AWAY;
 989        } else {
 990            return Presence.Status.ONLINE;
 991        }
 992    }
 993
 994    public boolean isScreenLocked() {
 995        final KeyguardManager keyguardManager = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
 996        final PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE);
 997        final boolean locked = keyguardManager != null && keyguardManager.isKeyguardLocked();
 998        final boolean interactive = powerManager != null && powerManager.isInteractive();
 999        return locked || !interactive;
1000    }
1001
1002    private boolean isPhoneSilenced() {
1003        final boolean notificationDnd;
1004        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1005            final NotificationManager notificationManager = getSystemService(NotificationManager.class);
1006            final int filter = notificationManager == null ? NotificationManager.INTERRUPTION_FILTER_UNKNOWN : notificationManager.getCurrentInterruptionFilter();
1007            notificationDnd = filter >= NotificationManager.INTERRUPTION_FILTER_PRIORITY;
1008        } else {
1009            notificationDnd = false;
1010        }
1011        final AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
1012        final int ringerMode = audioManager == null ? AudioManager.RINGER_MODE_NORMAL : audioManager.getRingerMode();
1013        try {
1014            if (treatVibrateAsSilent()) {
1015                return notificationDnd || ringerMode != AudioManager.RINGER_MODE_NORMAL;
1016            } else {
1017                return notificationDnd || ringerMode == AudioManager.RINGER_MODE_SILENT;
1018            }
1019        } catch (Throwable throwable) {
1020            Log.d(Config.LOGTAG, "platform bug in isPhoneSilenced (" + throwable.getMessage() + ")");
1021            return notificationDnd;
1022        }
1023    }
1024
1025    private void resetAllAttemptCounts(boolean reallyAll, boolean retryImmediately) {
1026        Log.d(Config.LOGTAG, "resetting all attempt counts");
1027        for (Account account : accounts) {
1028            if (account.hasErrorStatus() || reallyAll) {
1029                final XmppConnection connection = account.getXmppConnection();
1030                if (connection != null) {
1031                    connection.resetAttemptCount(retryImmediately);
1032                }
1033            }
1034            if (account.setShowErrorNotification(true)) {
1035                mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
1036            }
1037        }
1038        mNotificationService.updateErrorNotification();
1039    }
1040
1041    private void dismissErrorNotifications() {
1042        for (final Account account : this.accounts) {
1043            if (account.hasErrorStatus()) {
1044                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": dismissing error notification");
1045                if (account.setShowErrorNotification(false)) {
1046                    mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
1047                }
1048            }
1049        }
1050    }
1051
1052    private void expireOldMessages() {
1053        expireOldMessages(false);
1054    }
1055
1056    public void expireOldMessages(final boolean resetHasMessagesLeftOnServer) {
1057        mLastExpiryRun.set(SystemClock.elapsedRealtime());
1058        mDatabaseWriterExecutor.execute(() -> {
1059            long timestamp = getAutomaticMessageDeletionDate();
1060            if (timestamp > 0) {
1061                databaseBackend.expireOldMessages(timestamp);
1062                synchronized (XmppConnectionService.this.conversations) {
1063                    for (Conversation conversation : XmppConnectionService.this.conversations) {
1064                        conversation.expireOldMessages(timestamp);
1065                        if (resetHasMessagesLeftOnServer) {
1066                            conversation.messagesLoaded.set(true);
1067                            conversation.setHasMessagesLeftOnServer(true);
1068                        }
1069                    }
1070                }
1071                updateConversationUi();
1072            }
1073        });
1074    }
1075
1076    public boolean hasInternetConnection() {
1077        final ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
1078        try {
1079            final NetworkInfo activeNetwork = cm == null ? null : cm.getActiveNetworkInfo();
1080            return activeNetwork != null && (activeNetwork.isConnected() || activeNetwork.getType() == ConnectivityManager.TYPE_ETHERNET);
1081        } catch (RuntimeException e) {
1082            Log.d(Config.LOGTAG, "unable to check for internet connection", e);
1083            return true; //if internet connection can not be checked it is probably best to just try
1084        }
1085    }
1086
1087    @SuppressLint("TrulyRandom")
1088    @Override
1089    public void onCreate() {
1090        if (Compatibility.runsTwentySix()) {
1091            mNotificationService.initializeChannels();
1092        }
1093        mChannelDiscoveryService.initializeMuclumbusService();
1094        mForceDuringOnCreate.set(Compatibility.runsAndTargetsTwentySix(this));
1095        toggleForegroundService();
1096        this.destroyed = false;
1097        OmemoSetting.load(this);
1098        ExceptionHelper.init(getApplicationContext());
1099        try {
1100            Security.insertProviderAt(Conscrypt.newProvider(), 1);
1101        } catch (Throwable throwable) {
1102            Log.e(Config.LOGTAG, "unable to initialize security provider", throwable);
1103        }
1104        Resolver.init(this);
1105        this.mRandom = new SecureRandom();
1106        updateMemorizingTrustmanager();
1107        final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
1108        final int cacheSize = maxMemory / 8;
1109        this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
1110            @Override
1111            protected int sizeOf(final String key, final Bitmap bitmap) {
1112                return bitmap.getByteCount() / 1024;
1113            }
1114        };
1115        if (mLastActivity == 0) {
1116            mLastActivity = getPreferences().getLong(SETTING_LAST_ACTIVITY_TS, System.currentTimeMillis());
1117        }
1118
1119        Log.d(Config.LOGTAG, "initializing database...");
1120        this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
1121        Log.d(Config.LOGTAG, "restoring accounts...");
1122        this.accounts = databaseBackend.getAccounts();
1123        final SharedPreferences.Editor editor = getPreferences().edit();
1124        if (this.accounts.size() == 0 && Arrays.asList("Sony", "Sony Ericsson").contains(Build.MANUFACTURER)) {
1125            editor.putBoolean(SettingsActivity.KEEP_FOREGROUND_SERVICE, true);
1126            Log.d(Config.LOGTAG, Build.MANUFACTURER + " is on blacklist. enabling foreground service");
1127        }
1128        final boolean hasEnabledAccounts = hasEnabledAccounts();
1129        editor.putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
1130        editor.apply();
1131        toggleSetProfilePictureActivity(hasEnabledAccounts);
1132
1133        restoreFromDatabase();
1134
1135        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || ContextCompat.checkSelfPermission(this, Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
1136            startContactObserver();
1137        }
1138        mFileAddingExecutor.execute(fileBackend::deleteHistoricAvatarPath);
1139        if (Compatibility.hasStoragePermission(this)) {
1140            Log.d(Config.LOGTAG, "starting file observer");
1141            mFileAddingExecutor.execute(this.fileObserver::startWatching);
1142            mFileAddingExecutor.execute(this::checkForDeletedFiles);
1143        }
1144        if (Config.supportOpenPgp()) {
1145            this.pgpServiceConnection = new OpenPgpServiceConnection(this, "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
1146                @Override
1147                public void onBound(IOpenPgpService2 service) {
1148                    for (Account account : accounts) {
1149                        final PgpDecryptionService pgp = account.getPgpDecryptionService();
1150                        if (pgp != null) {
1151                            pgp.continueDecryption(true);
1152                        }
1153                    }
1154                }
1155
1156                @Override
1157                public void onError(Exception e) {
1158                }
1159            });
1160            this.pgpServiceConnection.bindToService();
1161        }
1162
1163        this.pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
1164        this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Conversations:Service");
1165
1166        toggleForegroundService();
1167        updateUnreadCountBadge();
1168        toggleScreenEventReceiver();
1169        final IntentFilter intentFilter = new IntentFilter();
1170        intentFilter.addAction(TorServiceUtils.ACTION_STATUS);
1171        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1172            scheduleNextIdlePing();
1173            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1174                intentFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
1175            }
1176            intentFilter.addAction(NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED);
1177        }
1178        registerReceiver(this.mInternalEventReceiver, intentFilter);
1179        mForceDuringOnCreate.set(false);
1180        toggleForegroundService();
1181        setupPhoneStateListener();
1182    }
1183
1184
1185    private void setupPhoneStateListener() {
1186        final TelephonyManager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
1187        if (telephonyManager != null) {
1188            telephonyManager.listen(phoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);
1189        }
1190    }
1191
1192    public boolean isPhoneInCall() {
1193        return isPhoneInCall.get();
1194    }
1195
1196    private void checkForDeletedFiles() {
1197        if (destroyed) {
1198            Log.d(Config.LOGTAG, "Do not check for deleted files because service has been destroyed");
1199            return;
1200        }
1201        final long start = SystemClock.elapsedRealtime();
1202        final List<DatabaseBackend.FilePathInfo> relativeFilePaths = databaseBackend.getFilePathInfo();
1203        final List<DatabaseBackend.FilePathInfo> changed = new ArrayList<>();
1204        for (final DatabaseBackend.FilePathInfo filePath : relativeFilePaths) {
1205            if (destroyed) {
1206                Log.d(Config.LOGTAG, "Stop checking for deleted files because service has been destroyed");
1207                return;
1208            }
1209            final File file = fileBackend.getFileForPath(filePath.path);
1210            if (filePath.setDeleted(!file.exists())) {
1211                changed.add(filePath);
1212            }
1213        }
1214        final long duration = SystemClock.elapsedRealtime() - start;
1215        Log.d(Config.LOGTAG, "found " + changed.size() + " changed files on start up. total=" + relativeFilePaths.size() + ". (" + duration + "ms)");
1216        if (changed.size() > 0) {
1217            databaseBackend.markFilesAsChanged(changed);
1218            markChangedFiles(changed);
1219        }
1220    }
1221
1222    public void startContactObserver() {
1223        getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, new ContentObserver(null) {
1224            @Override
1225            public void onChange(boolean selfChange) {
1226                super.onChange(selfChange);
1227                if (restoredFromDatabaseLatch.getCount() == 0) {
1228                    loadPhoneContacts();
1229                }
1230            }
1231        });
1232    }
1233
1234    @Override
1235    public void onTrimMemory(int level) {
1236        super.onTrimMemory(level);
1237        if (level >= TRIM_MEMORY_COMPLETE) {
1238            Log.d(Config.LOGTAG, "clear cache due to low memory");
1239            getBitmapCache().evictAll();
1240        }
1241    }
1242
1243    @Override
1244    public void onDestroy() {
1245        try {
1246            unregisterReceiver(this.mInternalEventReceiver);
1247            unregisterReceiver(this.mInternalScreenEventReceiver);
1248        } catch (final IllegalArgumentException e) {
1249            //ignored
1250        }
1251        destroyed = false;
1252        fileObserver.stopWatching();
1253        super.onDestroy();
1254    }
1255
1256    public void restartFileObserver() {
1257        Log.d(Config.LOGTAG, "restarting file observer");
1258        mFileAddingExecutor.execute(this.fileObserver::restartWatching);
1259        mFileAddingExecutor.execute(this::checkForDeletedFiles);
1260    }
1261
1262    public void toggleScreenEventReceiver() {
1263        if (awayWhenScreenLocked() && !manuallyChangePresence()) {
1264            final IntentFilter filter = new IntentFilter();
1265            filter.addAction(Intent.ACTION_SCREEN_ON);
1266            filter.addAction(Intent.ACTION_SCREEN_OFF);
1267            filter.addAction(Intent.ACTION_USER_PRESENT);
1268            registerReceiver(this.mInternalScreenEventReceiver, filter);
1269        } else {
1270            try {
1271                unregisterReceiver(this.mInternalScreenEventReceiver);
1272            } catch (IllegalArgumentException e) {
1273                //ignored
1274            }
1275        }
1276    }
1277
1278    public void toggleForegroundService() {
1279        toggleForegroundService(false);
1280    }
1281
1282    public void setOngoingCall(AbstractJingleConnection.Id id, Set<Media> media) {
1283        ongoingCall.set(new OngoingCall(id, media));
1284        toggleForegroundService(false);
1285    }
1286
1287    public void removeOngoingCall() {
1288        ongoingCall.set(null);
1289        toggleForegroundService(false);
1290    }
1291
1292    private void toggleForegroundService(boolean force) {
1293        final boolean status;
1294        final OngoingCall ongoing = ongoingCall.get();
1295        if (force || mForceDuringOnCreate.get() || mForceForegroundService.get() || ongoing != null || (Compatibility.keepForegroundService(this) && hasEnabledAccounts())) {
1296            final Notification notification;
1297            final int id;
1298            if (ongoing != null) {
1299                notification = this.mNotificationService.getOngoingCallNotification(ongoing.id, ongoing.media);
1300                id = NotificationService.ONGOING_CALL_NOTIFICATION_ID;
1301                startForeground(id, notification);
1302                mNotificationService.cancel(NotificationService.FOREGROUND_NOTIFICATION_ID);
1303            } else {
1304                notification = this.mNotificationService.createForegroundNotification();
1305                id = NotificationService.FOREGROUND_NOTIFICATION_ID;
1306                startForeground(id, notification);
1307            }
1308
1309            if (!mForceForegroundService.get()) {
1310                mNotificationService.notify(id, notification);
1311            }
1312            status = true;
1313        } else {
1314            stopForeground(true);
1315            status = false;
1316        }
1317        if (!mForceForegroundService.get()) {
1318            mNotificationService.cancel(NotificationService.FOREGROUND_NOTIFICATION_ID);
1319        }
1320        if (ongoing == null) {
1321            mNotificationService.cancel(NotificationService.ONGOING_CALL_NOTIFICATION_ID);
1322        }
1323        Log.d(Config.LOGTAG, "ForegroundService: " + (status ? "on" : "off"));
1324    }
1325
1326    public boolean foregroundNotificationNeedsUpdatingWhenErrorStateChanges() {
1327        return !mForceForegroundService.get() && ongoingCall.get() == null && Compatibility.keepForegroundService(this) && hasEnabledAccounts();
1328    }
1329
1330    @Override
1331    public void onTaskRemoved(final Intent rootIntent) {
1332        super.onTaskRemoved(rootIntent);
1333        if ((Compatibility.keepForegroundService(this) && hasEnabledAccounts()) || mForceForegroundService.get() || ongoingCall.get() != null) {
1334            Log.d(Config.LOGTAG, "ignoring onTaskRemoved because foreground service is activated");
1335        } else {
1336            this.logoutAndSave(false);
1337        }
1338    }
1339
1340    private void logoutAndSave(boolean stop) {
1341        int activeAccounts = 0;
1342        for (final Account account : accounts) {
1343            if (account.getStatus() != Account.State.DISABLED) {
1344                databaseBackend.writeRoster(account.getRoster());
1345                activeAccounts++;
1346            }
1347            if (account.getXmppConnection() != null) {
1348                new Thread(() -> disconnect(account, false)).start();
1349            }
1350        }
1351        if (stop || activeAccounts == 0) {
1352            Log.d(Config.LOGTAG, "good bye");
1353            stopSelf();
1354        }
1355    }
1356
1357    private void schedulePostConnectivityChange() {
1358        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1359        if (alarmManager == null) {
1360            return;
1361        }
1362        final long triggerAtMillis = SystemClock.elapsedRealtime() + (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL * 1000);
1363        final Intent intent = new Intent(this, EventReceiver.class);
1364        intent.setAction(ACTION_POST_CONNECTIVITY_CHANGE);
1365        try {
1366            final PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 1, intent, 0);
1367            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1368                alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1369            } else {
1370                alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1371            }
1372        } catch (RuntimeException e) {
1373            Log.e(Config.LOGTAG, "unable to schedule alarm for post connectivity change", e);
1374        }
1375    }
1376
1377    public void scheduleWakeUpCall(int seconds, int requestCode) {
1378        final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000;
1379        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1380        if (alarmManager == null) {
1381            return;
1382        }
1383        final Intent intent = new Intent(this, EventReceiver.class);
1384        intent.setAction("ping");
1385        try {
1386            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, requestCode, intent, 0);
1387            alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1388        } catch (RuntimeException e) {
1389            Log.e(Config.LOGTAG, "unable to schedule alarm for ping", e);
1390        }
1391    }
1392
1393    @TargetApi(Build.VERSION_CODES.M)
1394    private void scheduleNextIdlePing() {
1395        final long timeToWake = SystemClock.elapsedRealtime() + (Config.IDLE_PING_INTERVAL * 1000);
1396        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1397        if (alarmManager == null) {
1398            return;
1399        }
1400        final Intent intent = new Intent(this, EventReceiver.class);
1401        intent.setAction(ACTION_IDLE_PING);
1402        try {
1403            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
1404            alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1405        } catch (RuntimeException e) {
1406            Log.d(Config.LOGTAG, "unable to schedule alarm for idle ping", e);
1407        }
1408    }
1409
1410    public XmppConnection createConnection(final Account account) {
1411        final XmppConnection connection = new XmppConnection(account, this);
1412        connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1413        connection.setOnStatusChangedListener(this.statusListener);
1414        connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1415        connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1416        connection.setOnJinglePacketReceivedListener(((a, jp) -> mJingleConnectionManager.deliverPacket(a, jp)));
1417        connection.setOnBindListener(this.mOnBindListener);
1418        connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1419        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1420        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1421        AxolotlService axolotlService = account.getAxolotlService();
1422        if (axolotlService != null) {
1423            connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1424        }
1425        return connection;
1426    }
1427
1428    public void sendChatState(Conversation conversation) {
1429        if (sendChatStates()) {
1430            MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1431            sendMessagePacket(conversation.getAccount(), packet);
1432        }
1433    }
1434
1435    private void sendFileMessage(final Message message, final boolean delay) {
1436        Log.d(Config.LOGTAG, "send file message");
1437        final Account account = message.getConversation().getAccount();
1438        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1439                || message.getConversation().getMode() == Conversation.MODE_MULTI) {
1440            mHttpConnectionManager.createNewUploadConnection(message, delay);
1441        } else {
1442            mJingleConnectionManager.startJingleFileTransfer(message);
1443        }
1444    }
1445
1446    public void sendMessage(final Message message) {
1447        sendMessage(message, false, false);
1448    }
1449
1450    private void sendMessage(final Message message, final boolean resend, final boolean delay) {
1451        final Account account = message.getConversation().getAccount();
1452        if (account.setShowErrorNotification(true)) {
1453            databaseBackend.updateAccount(account);
1454            mNotificationService.updateErrorNotification();
1455        }
1456        final Conversation conversation = (Conversation) message.getConversation();
1457        account.deactivateGracePeriod();
1458
1459
1460        if (QuickConversationsService.isQuicksy() && conversation.getMode() == Conversation.MODE_SINGLE) {
1461            final Contact contact = conversation.getContact();
1462            if (!contact.showInRoster() && contact.getOption(Contact.Options.SYNCED_VIA_OTHER)) {
1463                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": adding " + contact.getJid() + " on sending message");
1464                createContact(contact, true);
1465            }
1466        }
1467
1468        MessagePacket packet = null;
1469        final boolean addToConversation = (conversation.getMode() != Conversation.MODE_MULTI
1470                || !Patches.BAD_MUC_REFLECTION.contains(account.getServerIdentity()))
1471                && !message.edited();
1472        boolean saveInDb = addToConversation;
1473        message.setStatus(Message.STATUS_WAITING);
1474
1475        if (message.getEncryption() != Message.ENCRYPTION_NONE && conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous()) {
1476            if (conversation.setAttribute(Conversation.ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS, true)) {
1477                databaseBackend.updateConversation(conversation);
1478            }
1479        }
1480
1481        final boolean inProgressJoin = isJoinInProgress(conversation);
1482
1483
1484        if (account.isOnlineAndConnected() && !inProgressJoin) {
1485            switch (message.getEncryption()) {
1486                case Message.ENCRYPTION_NONE:
1487                    if (message.needsUploading()) {
1488                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1489                                || conversation.getMode() == Conversation.MODE_MULTI
1490                                || message.fixCounterpart()) {
1491                            this.sendFileMessage(message, delay);
1492                        } else {
1493                            break;
1494                        }
1495                    } else {
1496                        packet = mMessageGenerator.generateChat(message);
1497                    }
1498                    break;
1499                case Message.ENCRYPTION_PGP:
1500                case Message.ENCRYPTION_DECRYPTED:
1501                    if (message.needsUploading()) {
1502                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1503                                || conversation.getMode() == Conversation.MODE_MULTI
1504                                || message.fixCounterpart()) {
1505                            this.sendFileMessage(message, delay);
1506                        } else {
1507                            break;
1508                        }
1509                    } else {
1510                        packet = mMessageGenerator.generatePgpChat(message);
1511                    }
1512                    break;
1513                case Message.ENCRYPTION_AXOLOTL:
1514                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1515                    if (message.needsUploading()) {
1516                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1517                                || conversation.getMode() == Conversation.MODE_MULTI
1518                                || message.fixCounterpart()) {
1519                            this.sendFileMessage(message, delay);
1520                        } else {
1521                            break;
1522                        }
1523                    } else {
1524                        XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1525                        if (axolotlMessage == null) {
1526                            account.getAxolotlService().preparePayloadMessage(message, delay);
1527                        } else {
1528                            packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1529                        }
1530                    }
1531                    break;
1532
1533            }
1534            if (packet != null) {
1535                if (account.getXmppConnection().getFeatures().sm()
1536                        || (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1537                    message.setStatus(Message.STATUS_UNSEND);
1538                } else {
1539                    message.setStatus(Message.STATUS_SEND);
1540                }
1541            }
1542        } else {
1543            switch (message.getEncryption()) {
1544                case Message.ENCRYPTION_DECRYPTED:
1545                    if (!message.needsUploading()) {
1546                        String pgpBody = message.getEncryptedBody();
1547                        String decryptedBody = message.getBody();
1548                        message.setBody(pgpBody); //TODO might throw NPE
1549                        message.setEncryption(Message.ENCRYPTION_PGP);
1550                        if (message.edited()) {
1551                            message.setBody(decryptedBody);
1552                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1553                            if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1554                                Log.e(Config.LOGTAG, "error updated message in DB after edit");
1555                            }
1556                            updateConversationUi();
1557                            return;
1558                        } else {
1559                            databaseBackend.createMessage(message);
1560                            saveInDb = false;
1561                            message.setBody(decryptedBody);
1562                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1563                        }
1564                    }
1565                    break;
1566                case Message.ENCRYPTION_AXOLOTL:
1567                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1568                    break;
1569            }
1570        }
1571
1572
1573        boolean mucMessage = conversation.getMode() == Conversation.MODE_MULTI && !message.isPrivateMessage();
1574        if (mucMessage) {
1575            message.setCounterpart(conversation.getMucOptions().getSelf().getFullJid());
1576        }
1577
1578        if (resend) {
1579            if (packet != null && addToConversation) {
1580                if (account.getXmppConnection().getFeatures().sm() || mucMessage) {
1581                    markMessage(message, Message.STATUS_UNSEND);
1582                } else {
1583                    markMessage(message, Message.STATUS_SEND);
1584                }
1585            }
1586        } else {
1587            if (addToConversation) {
1588                conversation.add(message);
1589            }
1590            if (saveInDb) {
1591                databaseBackend.createMessage(message);
1592            } else if (message.edited()) {
1593                if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1594                    Log.e(Config.LOGTAG, "error updated message in DB after edit");
1595                }
1596            }
1597            updateConversationUi();
1598        }
1599        if (packet != null) {
1600            if (delay) {
1601                mMessageGenerator.addDelay(packet, message.getTimeSent());
1602            }
1603            if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
1604                if (this.sendChatStates()) {
1605                    packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1606                }
1607            }
1608            sendMessagePacket(account, packet);
1609        }
1610    }
1611
1612    private boolean isJoinInProgress(final Conversation conversation) {
1613        final Account account = conversation.getAccount();
1614        synchronized (account.inProgressConferenceJoins) {
1615            if (conversation.getMode() == Conversational.MODE_MULTI) {
1616                final boolean inProgress = account.inProgressConferenceJoins.contains(conversation);
1617                final boolean pending = account.pendingConferenceJoins.contains(conversation);
1618                final boolean inProgressJoin = inProgress || pending;
1619                if (inProgressJoin) {
1620                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": holding back message to group. inProgress=" + inProgress + ", pending=" + pending);
1621                }
1622                return inProgressJoin;
1623            } else {
1624                return false;
1625            }
1626        }
1627    }
1628
1629    private void sendUnsentMessages(final Conversation conversation) {
1630        conversation.findWaitingMessages(message -> resendMessage(message, true));
1631    }
1632
1633    public void resendMessage(final Message message, final boolean delay) {
1634        sendMessage(message, true, delay);
1635    }
1636
1637    public void requestEasyOnboardingInvite(final Account account, final EasyOnboardingInvite.OnInviteRequested callback) {
1638        final XmppConnection connection = account.getXmppConnection();
1639        final Jid jid = connection == null ? null : connection.getJidForCommand(Namespace.EASY_ONBOARDING_INVITE);
1640        if (jid == null) {
1641            callback.inviteRequestFailed(getString(R.string.server_does_not_support_easy_onboarding_invites));
1642            return;
1643        }
1644        final IqPacket request = new IqPacket(IqPacket.TYPE.SET);
1645        request.setTo(jid);
1646        final Element command = request.addChild("command", Namespace.COMMANDS);
1647        command.setAttribute("node", Namespace.EASY_ONBOARDING_INVITE);
1648        command.setAttribute("action", "execute");
1649        sendIqPacket(account, request, (a, response) -> {
1650            if (response.getType() == IqPacket.TYPE.RESULT) {
1651                final Element resultCommand = response.findChild("command", Namespace.COMMANDS);
1652                final Element x = resultCommand == null ? null : resultCommand.findChild("x", Namespace.DATA);
1653                if (x != null) {
1654                    final Data data = Data.parse(x);
1655                    final String uri = data.getValue("uri");
1656                    final String landingUrl = data.getValue("landing-url");
1657                    if (uri != null) {
1658                        final EasyOnboardingInvite invite = new EasyOnboardingInvite(jid.getDomain().toEscapedString(), uri, landingUrl);
1659                        callback.inviteRequested(invite);
1660                        return;
1661                    }
1662                }
1663                callback.inviteRequestFailed(getString(R.string.unable_to_parse_invite));
1664                Log.d(Config.LOGTAG, response.toString());
1665            } else if (response.getType() == IqPacket.TYPE.ERROR) {
1666                callback.inviteRequestFailed(IqParser.errorMessage(response));
1667            } else {
1668                callback.inviteRequestFailed(getString(R.string.remote_server_timeout));
1669            }
1670        });
1671
1672    }
1673
1674    public void fetchRosterFromServer(final Account account) {
1675        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1676        if (!"".equals(account.getRosterVersion())) {
1677            Log.d(Config.LOGTAG, account.getJid().asBareJid()
1678                    + ": fetching roster version " + account.getRosterVersion());
1679        } else {
1680            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching roster");
1681        }
1682        iqPacket.query(Namespace.ROSTER).setAttribute("ver", account.getRosterVersion());
1683        sendIqPacket(account, iqPacket, mIqParser);
1684    }
1685
1686    public void fetchBookmarks(final Account account) {
1687        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1688        final Element query = iqPacket.query("jabber:iq:private");
1689        query.addChild("storage", Namespace.BOOKMARKS);
1690        final OnIqPacketReceived callback = (a, response) -> {
1691            if (response.getType() == IqPacket.TYPE.RESULT) {
1692                final Element query1 = response.query();
1693                final Element storage = query1.findChild("storage", "storage:bookmarks");
1694                Map<Jid, Bookmark> bookmarks = Bookmark.parseFromStorage(storage, account);
1695                processBookmarksInitial(a, bookmarks, false);
1696            } else {
1697                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": could not fetch bookmarks");
1698            }
1699        };
1700        sendIqPacket(account, iqPacket, callback);
1701    }
1702
1703    public void fetchBookmarks2(final Account account) {
1704        final IqPacket retrieve = mIqGenerator.retrieveBookmarks();
1705        sendIqPacket(account, retrieve, new OnIqPacketReceived() {
1706            @Override
1707            public void onIqPacketReceived(final Account account, final IqPacket response) {
1708                if (response.getType() == IqPacket.TYPE.RESULT) {
1709                    final Element pubsub = response.findChild("pubsub", Namespace.PUBSUB);
1710                    final Map<Jid, Bookmark> bookmarks = Bookmark.parseFromPubsub(pubsub, account);
1711                    processBookmarksInitial(account, bookmarks, true);
1712                }
1713            }
1714        });
1715    }
1716
1717    public void processBookmarksInitial(Account account, Map<Jid, Bookmark> bookmarks, final boolean pep) {
1718        final Set<Jid> previousBookmarks = account.getBookmarkedJids();
1719        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1720        for (Bookmark bookmark : bookmarks.values()) {
1721            previousBookmarks.remove(bookmark.getJid().asBareJid());
1722            processModifiedBookmark(bookmark, pep, synchronizeWithBookmarks);
1723        }
1724        if (pep && synchronizeWithBookmarks) {
1725            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": " + previousBookmarks.size() + " bookmarks have been removed");
1726            for (Jid jid : previousBookmarks) {
1727                processDeletedBookmark(account, jid);
1728            }
1729        }
1730        account.setBookmarks(bookmarks);
1731    }
1732
1733    public void processDeletedBookmark(Account account, Jid jid) {
1734        final Conversation conversation = find(account, jid);
1735        if (conversation != null && conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
1736            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving destroyed conference (" + conversation.getJid() + ") after receiving pep");
1737            archiveConversation(conversation, false);
1738        }
1739    }
1740
1741    private void processModifiedBookmark(Bookmark bookmark, final boolean pep, final boolean synchronizeWithBookmarks) {
1742        final Account account = bookmark.getAccount();
1743        Conversation conversation = find(bookmark);
1744        if (conversation != null) {
1745            if (conversation.getMode() != Conversation.MODE_MULTI) {
1746                return;
1747            }
1748            bookmark.setConversation(conversation);
1749            if (pep && synchronizeWithBookmarks && !bookmark.autojoin()) {
1750                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conference (" + conversation.getJid() + ") after receiving pep");
1751                archiveConversation(conversation, false);
1752            } else {
1753                final MucOptions mucOptions = conversation.getMucOptions();
1754                if (mucOptions.getError() == MucOptions.Error.NICK_IN_USE) {
1755                    final String current = mucOptions.getActualNick();
1756                    final String proposed = mucOptions.getProposedNick();
1757                    if (current != null && !current.equals(proposed)) {
1758                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": proposed nick changed after bookmark push " + current + "->" + proposed);
1759                        joinMuc(conversation);
1760                    }
1761                }
1762            }
1763        } else if (synchronizeWithBookmarks && bookmark.autojoin()) {
1764            conversation = findOrCreateConversation(account, bookmark.getFullJid(), true, true, false);
1765            bookmark.setConversation(conversation);
1766        }
1767    }
1768
1769    public void processModifiedBookmark(Bookmark bookmark) {
1770        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1771        processModifiedBookmark(bookmark, true, synchronizeWithBookmarks);
1772    }
1773
1774    public void createBookmark(final Account account, final Bookmark bookmark) {
1775        account.putBookmark(bookmark);
1776        final XmppConnection connection = account.getXmppConnection();
1777        if (connection.getFeatures().bookmarks2()) {
1778            final Element item = mIqGenerator.publishBookmarkItem(bookmark);
1779            pushNodeAndEnforcePublishOptions(account, Namespace.BOOKMARKS2, item, bookmark.getJid().asBareJid().toEscapedString(), PublishOptions.persistentWhitelistAccessMaxItems());
1780        } else if (connection.getFeatures().bookmarksConversion()) {
1781            pushBookmarksPep(account);
1782        } else {
1783            pushBookmarksPrivateXml(account);
1784        }
1785    }
1786
1787    public void deleteBookmark(final Account account, final Bookmark bookmark) {
1788        account.removeBookmark(bookmark);
1789        final XmppConnection connection = account.getXmppConnection();
1790        if (connection.getFeatures().bookmarks2()) {
1791            IqPacket request = mIqGenerator.deleteItem(Namespace.BOOKMARKS2, bookmark.getJid().asBareJid().toEscapedString());
1792            sendIqPacket(account, request, (a, response) -> {
1793                if (response.getType() == IqPacket.TYPE.ERROR) {
1794                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": unable to delete bookmark " + response.getErrorCondition());
1795                }
1796            });
1797        } else if (connection.getFeatures().bookmarksConversion()) {
1798            pushBookmarksPep(account);
1799        } else {
1800            pushBookmarksPrivateXml(account);
1801        }
1802    }
1803
1804    private void pushBookmarksPrivateXml(Account account) {
1805        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via private xml");
1806        IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1807        Element query = iqPacket.query("jabber:iq:private");
1808        Element storage = query.addChild("storage", "storage:bookmarks");
1809        for (Bookmark bookmark : account.getBookmarks()) {
1810            storage.addChild(bookmark);
1811        }
1812        sendIqPacket(account, iqPacket, mDefaultIqHandler);
1813    }
1814
1815    private void pushBookmarksPep(Account account) {
1816        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via pep");
1817        Element storage = new Element("storage", "storage:bookmarks");
1818        for (Bookmark bookmark : account.getBookmarks()) {
1819            storage.addChild(bookmark);
1820        }
1821        pushNodeAndEnforcePublishOptions(account, Namespace.BOOKMARKS, storage, "current", PublishOptions.persistentWhitelistAccess());
1822
1823    }
1824
1825    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options) {
1826        pushNodeAndEnforcePublishOptions(account, node, element, id, options, true);
1827
1828    }
1829
1830    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options, final boolean retry) {
1831        final IqPacket packet = mIqGenerator.publishElement(node, element, id, options);
1832        sendIqPacket(account, packet, (a, response) -> {
1833            if (response.getType() == IqPacket.TYPE.RESULT) {
1834                return;
1835            }
1836            if (retry && PublishOptions.preconditionNotMet(response)) {
1837                pushNodeConfiguration(account, node, options, new OnConfigurationPushed() {
1838                    @Override
1839                    public void onPushSucceeded() {
1840                        pushNodeAndEnforcePublishOptions(account, node, element, id, options, false);
1841                    }
1842
1843                    @Override
1844                    public void onPushFailed() {
1845                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to push node configuration (" + node + ")");
1846                    }
1847                });
1848            } else {
1849                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error publishing bookmarks (retry=" + retry + ") " + response);
1850            }
1851        });
1852    }
1853
1854    private void restoreFromDatabase() {
1855        synchronized (this.conversations) {
1856            final Map<String, Account> accountLookupTable = new Hashtable<>();
1857            for (Account account : this.accounts) {
1858                accountLookupTable.put(account.getUuid(), account);
1859            }
1860            Log.d(Config.LOGTAG, "restoring conversations...");
1861            final long startTimeConversationsRestore = SystemClock.elapsedRealtime();
1862            this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1863            for (Iterator<Conversation> iterator = conversations.listIterator(); iterator.hasNext(); ) {
1864                Conversation conversation = iterator.next();
1865                Account account = accountLookupTable.get(conversation.getAccountUuid());
1866                if (account != null) {
1867                    conversation.setAccount(account);
1868                } else {
1869                    Log.e(Config.LOGTAG, "unable to restore Conversations with " + conversation.getJid());
1870                    iterator.remove();
1871                }
1872            }
1873            long diffConversationsRestore = SystemClock.elapsedRealtime() - startTimeConversationsRestore;
1874            Log.d(Config.LOGTAG, "finished restoring conversations in " + diffConversationsRestore + "ms");
1875            Runnable runnable = () -> {
1876                long deletionDate = getAutomaticMessageDeletionDate();
1877                mLastExpiryRun.set(SystemClock.elapsedRealtime());
1878                if (deletionDate > 0) {
1879                    Log.d(Config.LOGTAG, "deleting messages that are older than " + AbstractGenerator.getTimestamp(deletionDate));
1880                    databaseBackend.expireOldMessages(deletionDate);
1881                }
1882                Log.d(Config.LOGTAG, "restoring roster...");
1883                for (Account account : accounts) {
1884                    databaseBackend.readRoster(account.getRoster());
1885                    account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1886                }
1887                getBitmapCache().evictAll();
1888                loadPhoneContacts();
1889                Log.d(Config.LOGTAG, "restoring messages...");
1890                final long startMessageRestore = SystemClock.elapsedRealtime();
1891                final Conversation quickLoad = QuickLoader.get(this.conversations);
1892                if (quickLoad != null) {
1893                    restoreMessages(quickLoad);
1894                    updateConversationUi();
1895                    final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1896                    Log.d(Config.LOGTAG, "quickly restored " + quickLoad.getName() + " after " + diffMessageRestore + "ms");
1897                }
1898                for (Conversation conversation : this.conversations) {
1899                    if (quickLoad != conversation) {
1900                        restoreMessages(conversation);
1901                    }
1902                }
1903                mNotificationService.finishBacklog(false);
1904                restoredFromDatabaseLatch.countDown();
1905                final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1906                Log.d(Config.LOGTAG, "finished restoring messages in " + diffMessageRestore + "ms");
1907                updateConversationUi();
1908            };
1909            mDatabaseReaderExecutor.execute(runnable); //will contain one write command (expiry) but that's fine
1910        }
1911    }
1912
1913    private void restoreMessages(Conversation conversation) {
1914        conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1915        conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
1916        conversation.findUnreadMessages(message -> mNotificationService.pushFromBacklog(message));
1917    }
1918
1919    public void loadPhoneContacts() {
1920        mContactMergerExecutor.execute(() -> {
1921            Map<Jid, JabberIdContact> contacts = JabberIdContact.load(this);
1922            Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1923            for (Account account : accounts) {
1924                List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts(JabberIdContact.class);
1925                for (JabberIdContact jidContact : contacts.values()) {
1926                    final Contact contact = account.getRoster().getContact(jidContact.getJid());
1927                    boolean needsCacheClean = contact.setPhoneContact(jidContact);
1928                    if (needsCacheClean) {
1929                        getAvatarService().clear(contact);
1930                    }
1931                    withSystemAccounts.remove(contact);
1932                }
1933                for (Contact contact : withSystemAccounts) {
1934                    boolean needsCacheClean = contact.unsetPhoneContact(JabberIdContact.class);
1935                    if (needsCacheClean) {
1936                        getAvatarService().clear(contact);
1937                    }
1938                }
1939            }
1940            Log.d(Config.LOGTAG, "finished merging phone contacts");
1941            mShortcutService.refresh(mInitialAddressbookSyncCompleted.compareAndSet(false, true));
1942            updateRosterUi();
1943            mQuickConversationsService.considerSync();
1944        });
1945    }
1946
1947
1948    public void syncRoster(final Account account) {
1949        mRosterSyncTaskManager.execute(account, () -> databaseBackend.writeRoster(account.getRoster()));
1950    }
1951
1952    public List<Conversation> getConversations() {
1953        return this.conversations;
1954    }
1955
1956    private void markFileDeleted(final File file) {
1957        synchronized (FILENAMES_TO_IGNORE_DELETION) {
1958            if (FILENAMES_TO_IGNORE_DELETION.remove(file.getAbsolutePath())) {
1959                Log.d(Config.LOGTAG, "ignored deletion of " + file.getAbsolutePath());
1960                return;
1961            }
1962        }
1963        final boolean isInternalFile = fileBackend.isInternalFile(file);
1964        final List<String> uuids = databaseBackend.markFileAsDeleted(file, isInternalFile);
1965        Log.d(Config.LOGTAG, "deleted file " + file.getAbsolutePath() + " internal=" + isInternalFile + ", database hits=" + uuids.size());
1966        markUuidsAsDeletedFiles(uuids);
1967    }
1968
1969    private void markUuidsAsDeletedFiles(List<String> uuids) {
1970        boolean deleted = false;
1971        for (Conversation conversation : getConversations()) {
1972            deleted |= conversation.markAsDeleted(uuids);
1973        }
1974        for (final String uuid : uuids) {
1975            evictPreview(uuid);
1976        }
1977        if (deleted) {
1978            updateConversationUi();
1979        }
1980    }
1981
1982    private void markChangedFiles(List<DatabaseBackend.FilePathInfo> infos) {
1983        boolean changed = false;
1984        for (Conversation conversation : getConversations()) {
1985            changed |= conversation.markAsChanged(infos);
1986        }
1987        if (changed) {
1988            updateConversationUi();
1989        }
1990    }
1991
1992    public void populateWithOrderedConversations(final List<Conversation> list) {
1993        populateWithOrderedConversations(list, true, true);
1994    }
1995
1996    public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload) {
1997        populateWithOrderedConversations(list, includeNoFileUpload, true);
1998    }
1999
2000    public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload, final boolean sort) {
2001        final List<String> orderedUuids;
2002        if (sort) {
2003            orderedUuids = null;
2004        } else {
2005            orderedUuids = new ArrayList<>();
2006            for (Conversation conversation : list) {
2007                orderedUuids.add(conversation.getUuid());
2008            }
2009        }
2010        list.clear();
2011        if (includeNoFileUpload) {
2012            list.addAll(getConversations());
2013        } else {
2014            for (Conversation conversation : getConversations()) {
2015                if (conversation.getMode() == Conversation.MODE_SINGLE
2016                        || (conversation.getAccount().httpUploadAvailable() && conversation.getMucOptions().participating())) {
2017                    list.add(conversation);
2018                }
2019            }
2020        }
2021        try {
2022            if (orderedUuids != null) {
2023                Collections.sort(list, (a, b) -> {
2024                    final int indexA = orderedUuids.indexOf(a.getUuid());
2025                    final int indexB = orderedUuids.indexOf(b.getUuid());
2026                    if (indexA == -1 || indexB == -1 || indexA == indexB) {
2027                        return a.compareTo(b);
2028                    }
2029                    return indexA - indexB;
2030                });
2031            } else {
2032                Collections.sort(list);
2033            }
2034        } catch (IllegalArgumentException e) {
2035            //ignore
2036        }
2037    }
2038
2039    public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
2040        if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
2041            return;
2042        } else if (timestamp == 0) {
2043            return;
2044        }
2045        Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
2046        final Runnable runnable = () -> {
2047            final Account account = conversation.getAccount();
2048            List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
2049            if (messages.size() > 0) {
2050                conversation.addAll(0, messages);
2051                callback.onMoreMessagesLoaded(messages.size(), conversation);
2052            } else if (conversation.hasMessagesLeftOnServer()
2053                    && account.isOnlineAndConnected()
2054                    && conversation.getLastClearHistory().getTimestamp() == 0) {
2055                final boolean mamAvailable;
2056                if (conversation.getMode() == Conversation.MODE_SINGLE) {
2057                    mamAvailable = account.getXmppConnection().getFeatures().mam() && !conversation.getContact().isBlocked();
2058                } else {
2059                    mamAvailable = conversation.getMucOptions().mamSupport();
2060                }
2061                if (mamAvailable) {
2062                    MessageArchiveService.Query query = getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
2063                    if (query != null) {
2064                        query.setCallback(callback);
2065                        callback.informUser(R.string.fetching_history_from_server);
2066                    } else {
2067                        callback.informUser(R.string.not_fetching_history_retention_period);
2068                    }
2069
2070                }
2071            }
2072        };
2073        mDatabaseReaderExecutor.execute(runnable);
2074    }
2075
2076    public List<Account> getAccounts() {
2077        return this.accounts;
2078    }
2079
2080
2081    /**
2082     * 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)
2083     */
2084    public List<Conversation> findAllConferencesWith(Contact contact) {
2085        final ArrayList<Conversation> results = new ArrayList<>();
2086        for (final Conversation c : conversations) {
2087            if (c.getMode() != Conversation.MODE_MULTI) {
2088                continue;
2089            }
2090            final MucOptions mucOptions = c.getMucOptions();
2091            if (c.getJid().asBareJid().equals(contact.getJid().asBareJid()) || (mucOptions != null && mucOptions.isContactInRoom(contact))) {
2092                results.add(c);
2093            }
2094        }
2095        return results;
2096    }
2097
2098    public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
2099        for (final Conversation conversation : haystack) {
2100            if (conversation.getContact() == contact) {
2101                return conversation;
2102            }
2103        }
2104        return null;
2105    }
2106
2107    public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
2108        if (jid == null) {
2109            return null;
2110        }
2111        for (final Conversation conversation : haystack) {
2112            if ((account == null || conversation.getAccount() == account)
2113                    && (conversation.getJid().asBareJid().equals(jid.asBareJid()))) {
2114                return conversation;
2115            }
2116        }
2117        return null;
2118    }
2119
2120    public boolean isConversationsListEmpty(final Conversation ignore) {
2121        synchronized (this.conversations) {
2122            final int size = this.conversations.size();
2123            return size == 0 || size == 1 && this.conversations.get(0) == ignore;
2124        }
2125    }
2126
2127    public boolean isConversationStillOpen(final Conversation conversation) {
2128        synchronized (this.conversations) {
2129            for (Conversation current : this.conversations) {
2130                if (current == conversation) {
2131                    return true;
2132                }
2133            }
2134        }
2135        return false;
2136    }
2137
2138    public Conversation findOrCreateConversation(Account account, Jid jid, boolean muc, final boolean async) {
2139        return this.findOrCreateConversation(account, jid, muc, false, async);
2140    }
2141
2142    public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final boolean async) {
2143        return this.findOrCreateConversation(account, jid, muc, joinAfterCreate, null, async);
2144    }
2145
2146    public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final MessageArchiveService.Query query, final boolean async) {
2147        synchronized (this.conversations) {
2148            Conversation conversation = find(account, jid);
2149            if (conversation != null) {
2150                return conversation;
2151            }
2152            conversation = databaseBackend.findConversation(account, jid);
2153            final boolean loadMessagesFromDb;
2154            if (conversation != null) {
2155                conversation.setStatus(Conversation.STATUS_AVAILABLE);
2156                conversation.setAccount(account);
2157                if (muc) {
2158                    conversation.setMode(Conversation.MODE_MULTI);
2159                    conversation.setContactJid(jid);
2160                } else {
2161                    conversation.setMode(Conversation.MODE_SINGLE);
2162                    conversation.setContactJid(jid.asBareJid());
2163                }
2164                databaseBackend.updateConversation(conversation);
2165                loadMessagesFromDb = conversation.messagesLoaded.compareAndSet(true, false);
2166            } else {
2167                String conversationName;
2168                Contact contact = account.getRoster().getContact(jid);
2169                if (contact != null) {
2170                    conversationName = contact.getDisplayName();
2171                } else {
2172                    conversationName = jid.getLocal();
2173                }
2174                if (muc) {
2175                    conversation = new Conversation(conversationName, account, jid,
2176                            Conversation.MODE_MULTI);
2177                } else {
2178                    conversation = new Conversation(conversationName, account, jid.asBareJid(),
2179                            Conversation.MODE_SINGLE);
2180                }
2181                this.databaseBackend.createConversation(conversation);
2182                loadMessagesFromDb = false;
2183            }
2184            final Conversation c = conversation;
2185            final Runnable runnable = () -> {
2186                if (loadMessagesFromDb) {
2187                    c.addAll(0, databaseBackend.getMessages(c, Config.PAGE_SIZE));
2188                    updateConversationUi();
2189                    c.messagesLoaded.set(true);
2190                }
2191                if (account.getXmppConnection() != null
2192                        && !c.getContact().isBlocked()
2193                        && account.getXmppConnection().getFeatures().mam()
2194                        && !muc) {
2195                    if (query == null) {
2196                        mMessageArchiveService.query(c);
2197                    } else {
2198                        if (query.getConversation() == null) {
2199                            mMessageArchiveService.query(c, query.getStart(), query.isCatchup());
2200                        }
2201                    }
2202                }
2203                if (joinAfterCreate) {
2204                    joinMuc(c);
2205                }
2206            };
2207            if (async) {
2208                mDatabaseReaderExecutor.execute(runnable);
2209            } else {
2210                runnable.run();
2211            }
2212            this.conversations.add(conversation);
2213            updateConversationUi();
2214            return conversation;
2215        }
2216    }
2217
2218    public void archiveConversation(Conversation conversation) {
2219        archiveConversation(conversation, true);
2220    }
2221
2222    private void archiveConversation(Conversation conversation, final boolean maySynchronizeWithBookmarks) {
2223        getNotificationService().clear(conversation);
2224        conversation.setStatus(Conversation.STATUS_ARCHIVED);
2225        conversation.setNextMessage(null);
2226        synchronized (this.conversations) {
2227            getMessageArchiveService().kill(conversation);
2228            if (conversation.getMode() == Conversation.MODE_MULTI) {
2229                if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2230                    final Bookmark bookmark = conversation.getBookmark();
2231                    if (maySynchronizeWithBookmarks && bookmark != null && synchronizeWithBookmarks()) {
2232                        if (conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
2233                            Account account = bookmark.getAccount();
2234                            bookmark.setConversation(null);
2235                            deleteBookmark(account, bookmark);
2236                        } else if (bookmark.autojoin()) {
2237                            bookmark.setAutojoin(false);
2238                            createBookmark(bookmark.getAccount(), bookmark);
2239                        }
2240                    }
2241                }
2242                leaveMuc(conversation);
2243            } else {
2244                if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
2245                    stopPresenceUpdatesTo(conversation.getContact());
2246                }
2247            }
2248            updateConversation(conversation);
2249            this.conversations.remove(conversation);
2250            updateConversationUi();
2251        }
2252    }
2253
2254    public void stopPresenceUpdatesTo(Contact contact) {
2255        Log.d(Config.LOGTAG, "Canceling presence request from " + contact.getJid().toString());
2256        sendPresencePacket(contact.getAccount(), mPresenceGenerator.stopPresenceUpdatesTo(contact));
2257        contact.resetOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
2258    }
2259
2260    public void createAccount(final Account account) {
2261        account.initAccountServices(this);
2262        databaseBackend.createAccount(account);
2263        this.accounts.add(account);
2264        this.reconnectAccountInBackground(account);
2265        updateAccountUi();
2266        syncEnabledAccountSetting();
2267        toggleForegroundService();
2268    }
2269
2270    private void syncEnabledAccountSetting() {
2271        final boolean hasEnabledAccounts = hasEnabledAccounts();
2272        getPreferences().edit().putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
2273        toggleSetProfilePictureActivity(hasEnabledAccounts);
2274    }
2275
2276    private void toggleSetProfilePictureActivity(final boolean enabled) {
2277        try {
2278            final ComponentName name = new ComponentName(this, ChooseAccountForProfilePictureActivity.class);
2279            final int targetState = enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
2280            getPackageManager().setComponentEnabledSetting(name, targetState, PackageManager.DONT_KILL_APP);
2281        } catch (IllegalStateException e) {
2282            Log.d(Config.LOGTAG, "unable to toggle profile picture actvitiy");
2283        }
2284    }
2285
2286    private void provisionAccount(final String address, final String password) {
2287        final Jid jid = Jid.ofEscaped(address);
2288        final Account account = new Account(jid, password);
2289        account.setOption(Account.OPTION_DISABLED, true);
2290        Log.d(Config.LOGTAG, jid.asBareJid().toEscapedString() + ": provisioning account");
2291        createAccount(account);
2292    }
2293
2294    public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
2295        new Thread(() -> {
2296            try {
2297                final X509Certificate[] chain = KeyChain.getCertificateChain(this, alias);
2298                final X509Certificate cert = chain != null && chain.length > 0 ? chain[0] : null;
2299                if (cert == null) {
2300                    callback.informUser(R.string.unable_to_parse_certificate);
2301                    return;
2302                }
2303                Pair<Jid, String> info = CryptoHelper.extractJidAndName(cert);
2304                if (info == null) {
2305                    callback.informUser(R.string.certificate_does_not_contain_jid);
2306                    return;
2307                }
2308                if (findAccountByJid(info.first) == null) {
2309                    final Account account = new Account(info.first, "");
2310                    account.setPrivateKeyAlias(alias);
2311                    account.setOption(Account.OPTION_DISABLED, true);
2312                    account.setOption(Account.OPTION_FIXED_USERNAME, true);
2313                    account.setDisplayName(info.second);
2314                    createAccount(account);
2315                    callback.onAccountCreated(account);
2316                    if (Config.X509_VERIFICATION) {
2317                        try {
2318                            getMemorizingTrustManager().getNonInteractive(account.getServer()).checkClientTrusted(chain, "RSA");
2319                        } catch (CertificateException e) {
2320                            callback.informUser(R.string.certificate_chain_is_not_trusted);
2321                        }
2322                    }
2323                } else {
2324                    callback.informUser(R.string.account_already_exists);
2325                }
2326            } catch (Exception e) {
2327                callback.informUser(R.string.unable_to_parse_certificate);
2328            }
2329        }).start();
2330
2331    }
2332
2333    public void updateKeyInAccount(final Account account, final String alias) {
2334        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": update key in account " + alias);
2335        try {
2336            X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
2337            Log.d(Config.LOGTAG, account.getJid().asBareJid() + " loaded certificate chain");
2338            Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
2339            if (info == null) {
2340                showErrorToastInUi(R.string.certificate_does_not_contain_jid);
2341                return;
2342            }
2343            if (account.getJid().asBareJid().equals(info.first)) {
2344                account.setPrivateKeyAlias(alias);
2345                account.setDisplayName(info.second);
2346                databaseBackend.updateAccount(account);
2347                if (Config.X509_VERIFICATION) {
2348                    try {
2349                        getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
2350                    } catch (CertificateException e) {
2351                        showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
2352                    }
2353                    account.getAxolotlService().regenerateKeys(true);
2354                }
2355            } else {
2356                showErrorToastInUi(R.string.jid_does_not_match_certificate);
2357            }
2358        } catch (Exception e) {
2359            e.printStackTrace();
2360        }
2361    }
2362
2363    public boolean updateAccount(final Account account) {
2364        if (databaseBackend.updateAccount(account)) {
2365            account.setShowErrorNotification(true);
2366            this.statusListener.onStatusChanged(account);
2367            databaseBackend.updateAccount(account);
2368            reconnectAccountInBackground(account);
2369            updateAccountUi();
2370            getNotificationService().updateErrorNotification();
2371            toggleForegroundService();
2372            syncEnabledAccountSetting();
2373            mChannelDiscoveryService.cleanCache();
2374            return true;
2375        } else {
2376            return false;
2377        }
2378    }
2379
2380    public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
2381        final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
2382        sendIqPacket(account, iq, (a, packet) -> {
2383            if (packet.getType() == IqPacket.TYPE.RESULT) {
2384                a.setPassword(newPassword);
2385                a.setOption(Account.OPTION_MAGIC_CREATE, false);
2386                databaseBackend.updateAccount(a);
2387                callback.onPasswordChangeSucceeded();
2388            } else {
2389                callback.onPasswordChangeFailed();
2390            }
2391        });
2392    }
2393
2394    public void deleteAccount(final Account account) {
2395        final boolean connected = account.getStatus() == Account.State.ONLINE;
2396        synchronized (this.conversations) {
2397            if (connected) {
2398                account.getAxolotlService().deleteOmemoIdentity();
2399            }
2400            for (final Conversation conversation : conversations) {
2401                if (conversation.getAccount() == account) {
2402                    if (conversation.getMode() == Conversation.MODE_MULTI) {
2403                        if (connected) {
2404                            leaveMuc(conversation);
2405                        }
2406                    }
2407                    conversations.remove(conversation);
2408                    mNotificationService.clear(conversation);
2409                }
2410            }
2411            if (account.getXmppConnection() != null) {
2412                new Thread(() -> disconnect(account, !connected)).start();
2413            }
2414            final Runnable runnable = () -> {
2415                if (!databaseBackend.deleteAccount(account)) {
2416                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to delete account");
2417                }
2418            };
2419            mDatabaseWriterExecutor.execute(runnable);
2420            this.accounts.remove(account);
2421            this.mRosterSyncTaskManager.clear(account);
2422            updateAccountUi();
2423            mNotificationService.updateErrorNotification();
2424            syncEnabledAccountSetting();
2425            toggleForegroundService();
2426        }
2427    }
2428
2429    public void setOnConversationListChangedListener(OnConversationUpdate listener) {
2430        final boolean remainingListeners;
2431        synchronized (LISTENER_LOCK) {
2432            remainingListeners = checkListeners();
2433            if (!this.mOnConversationUpdates.add(listener)) {
2434                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as ConversationListChangedListener");
2435            }
2436            this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2437        }
2438        if (remainingListeners) {
2439            switchToForeground();
2440        }
2441    }
2442
2443    public void removeOnConversationListChangedListener(OnConversationUpdate listener) {
2444        final boolean remainingListeners;
2445        synchronized (LISTENER_LOCK) {
2446            this.mOnConversationUpdates.remove(listener);
2447            this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2448            remainingListeners = checkListeners();
2449        }
2450        if (remainingListeners) {
2451            switchToBackground();
2452        }
2453    }
2454
2455    public void setOnShowErrorToastListener(OnShowErrorToast listener) {
2456        final boolean remainingListeners;
2457        synchronized (LISTENER_LOCK) {
2458            remainingListeners = checkListeners();
2459            if (!this.mOnShowErrorToasts.add(listener)) {
2460                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnShowErrorToastListener");
2461            }
2462        }
2463        if (remainingListeners) {
2464            switchToForeground();
2465        }
2466    }
2467
2468    public void removeOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
2469        final boolean remainingListeners;
2470        synchronized (LISTENER_LOCK) {
2471            this.mOnShowErrorToasts.remove(onShowErrorToast);
2472            remainingListeners = checkListeners();
2473        }
2474        if (remainingListeners) {
2475            switchToBackground();
2476        }
2477    }
2478
2479    public void setOnAccountListChangedListener(OnAccountUpdate listener) {
2480        final boolean remainingListeners;
2481        synchronized (LISTENER_LOCK) {
2482            remainingListeners = checkListeners();
2483            if (!this.mOnAccountUpdates.add(listener)) {
2484                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnAccountListChangedtListener");
2485            }
2486        }
2487        if (remainingListeners) {
2488            switchToForeground();
2489        }
2490    }
2491
2492    public void removeOnAccountListChangedListener(OnAccountUpdate listener) {
2493        final boolean remainingListeners;
2494        synchronized (LISTENER_LOCK) {
2495            this.mOnAccountUpdates.remove(listener);
2496            remainingListeners = checkListeners();
2497        }
2498        if (remainingListeners) {
2499            switchToBackground();
2500        }
2501    }
2502
2503    public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2504        final boolean remainingListeners;
2505        synchronized (LISTENER_LOCK) {
2506            remainingListeners = checkListeners();
2507            if (!this.mOnCaptchaRequested.add(listener)) {
2508                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnCaptchaRequestListener");
2509            }
2510        }
2511        if (remainingListeners) {
2512            switchToForeground();
2513        }
2514    }
2515
2516    public void removeOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2517        final boolean remainingListeners;
2518        synchronized (LISTENER_LOCK) {
2519            this.mOnCaptchaRequested.remove(listener);
2520            remainingListeners = checkListeners();
2521        }
2522        if (remainingListeners) {
2523            switchToBackground();
2524        }
2525    }
2526
2527    public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
2528        final boolean remainingListeners;
2529        synchronized (LISTENER_LOCK) {
2530            remainingListeners = checkListeners();
2531            if (!this.mOnRosterUpdates.add(listener)) {
2532                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnRosterUpdateListener");
2533            }
2534        }
2535        if (remainingListeners) {
2536            switchToForeground();
2537        }
2538    }
2539
2540    public void removeOnRosterUpdateListener(final OnRosterUpdate listener) {
2541        final boolean remainingListeners;
2542        synchronized (LISTENER_LOCK) {
2543            this.mOnRosterUpdates.remove(listener);
2544            remainingListeners = checkListeners();
2545        }
2546        if (remainingListeners) {
2547            switchToBackground();
2548        }
2549    }
2550
2551    public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2552        final boolean remainingListeners;
2553        synchronized (LISTENER_LOCK) {
2554            remainingListeners = checkListeners();
2555            if (!this.mOnUpdateBlocklist.add(listener)) {
2556                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnUpdateBlocklistListener");
2557            }
2558        }
2559        if (remainingListeners) {
2560            switchToForeground();
2561        }
2562    }
2563
2564    public void removeOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2565        final boolean remainingListeners;
2566        synchronized (LISTENER_LOCK) {
2567            this.mOnUpdateBlocklist.remove(listener);
2568            remainingListeners = checkListeners();
2569        }
2570        if (remainingListeners) {
2571            switchToBackground();
2572        }
2573    }
2574
2575    public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
2576        final boolean remainingListeners;
2577        synchronized (LISTENER_LOCK) {
2578            remainingListeners = checkListeners();
2579            if (!this.mOnKeyStatusUpdated.add(listener)) {
2580                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnKeyStatusUpdateListener");
2581            }
2582        }
2583        if (remainingListeners) {
2584            switchToForeground();
2585        }
2586    }
2587
2588    public void removeOnNewKeysAvailableListener(final OnKeyStatusUpdated listener) {
2589        final boolean remainingListeners;
2590        synchronized (LISTENER_LOCK) {
2591            this.mOnKeyStatusUpdated.remove(listener);
2592            remainingListeners = checkListeners();
2593        }
2594        if (remainingListeners) {
2595            switchToBackground();
2596        }
2597    }
2598
2599    public void setOnRtpConnectionUpdateListener(final OnJingleRtpConnectionUpdate listener) {
2600        final boolean remainingListeners;
2601        synchronized (LISTENER_LOCK) {
2602            remainingListeners = checkListeners();
2603            if (!this.onJingleRtpConnectionUpdate.add(listener)) {
2604                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnJingleRtpConnectionUpdate");
2605            }
2606        }
2607        if (remainingListeners) {
2608            switchToForeground();
2609        }
2610    }
2611
2612    public void removeRtpConnectionUpdateListener(final OnJingleRtpConnectionUpdate listener) {
2613        final boolean remainingListeners;
2614        synchronized (LISTENER_LOCK) {
2615            this.onJingleRtpConnectionUpdate.remove(listener);
2616            remainingListeners = checkListeners();
2617        }
2618        if (remainingListeners) {
2619            switchToBackground();
2620        }
2621    }
2622
2623    public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
2624        final boolean remainingListeners;
2625        synchronized (LISTENER_LOCK) {
2626            remainingListeners = checkListeners();
2627            if (!this.mOnMucRosterUpdate.add(listener)) {
2628                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnMucRosterListener");
2629            }
2630        }
2631        if (remainingListeners) {
2632            switchToForeground();
2633        }
2634    }
2635
2636    public void removeOnMucRosterUpdateListener(final OnMucRosterUpdate listener) {
2637        final boolean remainingListeners;
2638        synchronized (LISTENER_LOCK) {
2639            this.mOnMucRosterUpdate.remove(listener);
2640            remainingListeners = checkListeners();
2641        }
2642        if (remainingListeners) {
2643            switchToBackground();
2644        }
2645    }
2646
2647    public boolean checkListeners() {
2648        return (this.mOnAccountUpdates.size() == 0
2649                && this.mOnConversationUpdates.size() == 0
2650                && this.mOnRosterUpdates.size() == 0
2651                && this.mOnCaptchaRequested.size() == 0
2652                && this.mOnMucRosterUpdate.size() == 0
2653                && this.mOnUpdateBlocklist.size() == 0
2654                && this.mOnShowErrorToasts.size() == 0
2655                && this.onJingleRtpConnectionUpdate.size() == 0
2656                && this.mOnKeyStatusUpdated.size() == 0);
2657    }
2658
2659    private void switchToForeground() {
2660        final boolean broadcastLastActivity = broadcastLastActivity();
2661        for (Conversation conversation : getConversations()) {
2662            if (conversation.getMode() == Conversation.MODE_MULTI) {
2663                conversation.getMucOptions().resetChatState();
2664            } else {
2665                conversation.setIncomingChatState(Config.DEFAULT_CHAT_STATE);
2666            }
2667        }
2668        for (Account account : getAccounts()) {
2669            if (account.getStatus() == Account.State.ONLINE) {
2670                account.deactivateGracePeriod();
2671                final XmppConnection connection = account.getXmppConnection();
2672                if (connection != null) {
2673                    if (connection.getFeatures().csi()) {
2674                        connection.sendActive();
2675                    }
2676                    if (broadcastLastActivity) {
2677                        sendPresence(account, false); //send new presence but don't include idle because we are not
2678                    }
2679                }
2680            }
2681        }
2682        Log.d(Config.LOGTAG, "app switched into foreground");
2683    }
2684
2685    private void switchToBackground() {
2686        final boolean broadcastLastActivity = broadcastLastActivity();
2687        if (broadcastLastActivity) {
2688            mLastActivity = System.currentTimeMillis();
2689            final SharedPreferences.Editor editor = getPreferences().edit();
2690            editor.putLong(SETTING_LAST_ACTIVITY_TS, mLastActivity);
2691            editor.apply();
2692        }
2693        for (Account account : getAccounts()) {
2694            if (account.getStatus() == Account.State.ONLINE) {
2695                XmppConnection connection = account.getXmppConnection();
2696                if (connection != null) {
2697                    if (broadcastLastActivity) {
2698                        sendPresence(account, true);
2699                    }
2700                    if (connection.getFeatures().csi()) {
2701                        connection.sendInactive();
2702                    }
2703                }
2704            }
2705        }
2706        this.mNotificationService.setIsInForeground(false);
2707        Log.d(Config.LOGTAG, "app switched into background");
2708    }
2709
2710    private void connectMultiModeConversations(Account account) {
2711        List<Conversation> conversations = getConversations();
2712        for (Conversation conversation : conversations) {
2713            if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
2714                joinMuc(conversation);
2715            }
2716        }
2717    }
2718
2719    public void mucSelfPingAndRejoin(final Conversation conversation) {
2720        final Account account = conversation.getAccount();
2721        synchronized (account.inProgressConferenceJoins) {
2722            if (account.inProgressConferenceJoins.contains(conversation)) {
2723                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because join is already under way");
2724                return;
2725            }
2726        }
2727        synchronized (account.inProgressConferencePings) {
2728            if (!account.inProgressConferencePings.add(conversation)) {
2729                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because ping is already under way");
2730                return;
2731            }
2732        }
2733        final Jid self = conversation.getMucOptions().getSelf().getFullJid();
2734        final IqPacket ping = new IqPacket(IqPacket.TYPE.GET);
2735        ping.setTo(self);
2736        ping.addChild("ping", Namespace.PING);
2737        sendIqPacket(conversation.getAccount(), ping, (a, response) -> {
2738            if (response.getType() == IqPacket.TYPE.ERROR) {
2739                Element error = response.findChild("error");
2740                if (error == null || error.hasChild("service-unavailable") || error.hasChild("feature-not-implemented") || error.hasChild("item-not-found")) {
2741                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " came back as ignorable error");
2742                } else {
2743                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " failed. attempting rejoin");
2744                    joinMuc(conversation);
2745                }
2746            } else if (response.getType() == IqPacket.TYPE.RESULT) {
2747                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " came back fine");
2748            }
2749            synchronized (account.inProgressConferencePings) {
2750                account.inProgressConferencePings.remove(conversation);
2751            }
2752        });
2753    }
2754
2755    public void joinMuc(Conversation conversation) {
2756        joinMuc(conversation, null, false);
2757    }
2758
2759    public void joinMuc(Conversation conversation, boolean followedInvite) {
2760        joinMuc(conversation, null, followedInvite);
2761    }
2762
2763    private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2764        joinMuc(conversation, onConferenceJoined, false);
2765    }
2766
2767    private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined, final boolean followedInvite) {
2768        final Account account = conversation.getAccount();
2769        synchronized (account.pendingConferenceJoins) {
2770            account.pendingConferenceJoins.remove(conversation);
2771        }
2772        synchronized (account.pendingConferenceLeaves) {
2773            account.pendingConferenceLeaves.remove(conversation);
2774        }
2775        if (account.getStatus() == Account.State.ONLINE) {
2776            synchronized (account.inProgressConferenceJoins) {
2777                account.inProgressConferenceJoins.add(conversation);
2778            }
2779            if (Config.MUC_LEAVE_BEFORE_JOIN) {
2780                sendPresencePacket(account, mPresenceGenerator.leave(conversation.getMucOptions()));
2781            }
2782            conversation.resetMucOptions();
2783            if (onConferenceJoined != null) {
2784                conversation.getMucOptions().flagNoAutoPushConfiguration();
2785            }
2786            conversation.setHasMessagesLeftOnServer(false);
2787            fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
2788
2789                private void join(Conversation conversation) {
2790                    Account account = conversation.getAccount();
2791                    final MucOptions mucOptions = conversation.getMucOptions();
2792
2793                    if (mucOptions.nonanonymous() && !mucOptions.membersOnly() && !conversation.getBooleanAttribute("accept_non_anonymous", false)) {
2794                        synchronized (account.inProgressConferenceJoins) {
2795                            account.inProgressConferenceJoins.remove(conversation);
2796                        }
2797                        mucOptions.setError(MucOptions.Error.NON_ANONYMOUS);
2798                        updateConversationUi();
2799                        if (onConferenceJoined != null) {
2800                            onConferenceJoined.onConferenceJoined(conversation);
2801                        }
2802                        return;
2803                    }
2804
2805                    final Jid joinJid = mucOptions.getSelf().getFullJid();
2806                    Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": joining conversation " + joinJid.toString());
2807                    PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous() || onConferenceJoined != null);
2808                    packet.setTo(joinJid);
2809                    Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
2810                    if (conversation.getMucOptions().getPassword() != null) {
2811                        x.addChild("password").setContent(mucOptions.getPassword());
2812                    }
2813
2814                    if (mucOptions.mamSupport()) {
2815                        // Use MAM instead of the limited muc history to get history
2816                        x.addChild("history").setAttribute("maxchars", "0");
2817                    } else {
2818                        // Fallback to muc history
2819                        x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted().getTimestamp()));
2820                    }
2821                    sendPresencePacket(account, packet);
2822                    if (onConferenceJoined != null) {
2823                        onConferenceJoined.onConferenceJoined(conversation);
2824                    }
2825                    if (!joinJid.equals(conversation.getJid())) {
2826                        conversation.setContactJid(joinJid);
2827                        databaseBackend.updateConversation(conversation);
2828                    }
2829
2830                    if (mucOptions.mamSupport()) {
2831                        getMessageArchiveService().catchupMUC(conversation);
2832                    }
2833                    if (mucOptions.isPrivateAndNonAnonymous()) {
2834                        fetchConferenceMembers(conversation);
2835
2836                        if (followedInvite) {
2837                            final Bookmark bookmark = conversation.getBookmark();
2838                            if (bookmark != null) {
2839                                if (!bookmark.autojoin()) {
2840                                    bookmark.setAutojoin(true);
2841                                    createBookmark(account, bookmark);
2842                                }
2843                            } else {
2844                                saveConversationAsBookmark(conversation, null);
2845                            }
2846                        }
2847                    }
2848                    synchronized (account.inProgressConferenceJoins) {
2849                        account.inProgressConferenceJoins.remove(conversation);
2850                        sendUnsentMessages(conversation);
2851                    }
2852                }
2853
2854                @Override
2855                public void onConferenceConfigurationFetched(Conversation conversation) {
2856                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2857                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": conversation (" + conversation.getJid() + ") got archived before IQ result");
2858                        return;
2859                    }
2860                    join(conversation);
2861                }
2862
2863                @Override
2864                public void onFetchFailed(final Conversation conversation, final String errorCondition) {
2865                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2866                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": conversation (" + conversation.getJid() + ") got archived before IQ result");
2867                        return;
2868                    }
2869                    if ("remote-server-not-found".equals(errorCondition)) {
2870                        synchronized (account.inProgressConferenceJoins) {
2871                            account.inProgressConferenceJoins.remove(conversation);
2872                        }
2873                        conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
2874                        updateConversationUi();
2875                    } else {
2876                        join(conversation);
2877                        fetchConferenceConfiguration(conversation);
2878                    }
2879                }
2880            });
2881            updateConversationUi();
2882        } else {
2883            synchronized (account.pendingConferenceJoins) {
2884                account.pendingConferenceJoins.add(conversation);
2885            }
2886            conversation.resetMucOptions();
2887            conversation.setHasMessagesLeftOnServer(false);
2888            updateConversationUi();
2889        }
2890    }
2891
2892    private void fetchConferenceMembers(final Conversation conversation) {
2893        final Account account = conversation.getAccount();
2894        final AxolotlService axolotlService = account.getAxolotlService();
2895        final String[] affiliations = {"member", "admin", "owner"};
2896        OnIqPacketReceived callback = new OnIqPacketReceived() {
2897
2898            private int i = 0;
2899            private boolean success = true;
2900
2901            @Override
2902            public void onIqPacketReceived(Account account, IqPacket packet) {
2903                final boolean omemoEnabled = conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL;
2904                Element query = packet.query("http://jabber.org/protocol/muc#admin");
2905                if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2906                    for (Element child : query.getChildren()) {
2907                        if ("item".equals(child.getName())) {
2908                            MucOptions.User user = AbstractParser.parseItem(conversation, child);
2909                            if (!user.realJidMatchesAccount()) {
2910                                boolean isNew = conversation.getMucOptions().updateUser(user);
2911                                Contact contact = user.getContact();
2912                                if (omemoEnabled
2913                                        && isNew
2914                                        && user.getRealJid() != null
2915                                        && (contact == null || !contact.mutualPresenceSubscription())
2916                                        && axolotlService.hasEmptyDeviceList(user.getRealJid())) {
2917                                    axolotlService.fetchDeviceIds(user.getRealJid());
2918                                }
2919                            }
2920                        }
2921                    }
2922                } else {
2923                    success = false;
2924                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not request affiliation " + affiliations[i] + " in " + conversation.getJid().asBareJid());
2925                }
2926                ++i;
2927                if (i >= affiliations.length) {
2928                    List<Jid> members = conversation.getMucOptions().getMembers(true);
2929                    if (success) {
2930                        List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
2931                        boolean changed = false;
2932                        for (ListIterator<Jid> iterator = cryptoTargets.listIterator(); iterator.hasNext(); ) {
2933                            Jid jid = iterator.next();
2934                            if (!members.contains(jid) && !members.contains(jid.getDomain())) {
2935                                iterator.remove();
2936                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
2937                                changed = true;
2938                            }
2939                        }
2940                        if (changed) {
2941                            conversation.setAcceptedCryptoTargets(cryptoTargets);
2942                            updateConversation(conversation);
2943                        }
2944                    }
2945                    getAvatarService().clear(conversation);
2946                    updateMucRosterUi();
2947                    updateConversationUi();
2948                }
2949            }
2950        };
2951        for (String affiliation : affiliations) {
2952            sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
2953        }
2954        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching members for " + conversation.getName());
2955    }
2956
2957    public void providePasswordForMuc(Conversation conversation, String password) {
2958        if (conversation.getMode() == Conversation.MODE_MULTI) {
2959            conversation.getMucOptions().setPassword(password);
2960            if (conversation.getBookmark() != null) {
2961                final Bookmark bookmark = conversation.getBookmark();
2962                if (synchronizeWithBookmarks()) {
2963                    bookmark.setAutojoin(true);
2964                }
2965                createBookmark(conversation.getAccount(), bookmark);
2966            }
2967            updateConversation(conversation);
2968            joinMuc(conversation);
2969        }
2970    }
2971
2972    private boolean hasEnabledAccounts() {
2973        if (this.accounts == null) {
2974            return false;
2975        }
2976        for (Account account : this.accounts) {
2977            if (account.isEnabled()) {
2978                return true;
2979            }
2980        }
2981        return false;
2982    }
2983
2984
2985    public void getAttachments(final Conversation conversation, int limit, final OnMediaLoaded onMediaLoaded) {
2986        getAttachments(conversation.getAccount(), conversation.getJid().asBareJid(), limit, onMediaLoaded);
2987    }
2988
2989    public void getAttachments(final Account account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
2990        getAttachments(account.getUuid(), jid.asBareJid(), limit, onMediaLoaded);
2991    }
2992
2993
2994    public void getAttachments(final String account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
2995        new Thread(() -> onMediaLoaded.onMediaLoaded(fileBackend.convertToAttachments(databaseBackend.getRelativeFilePaths(account, jid, limit)))).start();
2996    }
2997
2998    public void persistSelfNick(MucOptions.User self) {
2999        final Conversation conversation = self.getConversation();
3000        final boolean tookProposedNickFromBookmark = conversation.getMucOptions().isTookProposedNickFromBookmark();
3001        Jid full = self.getFullJid();
3002        if (!full.equals(conversation.getJid())) {
3003            Log.d(Config.LOGTAG, "nick changed. updating");
3004            conversation.setContactJid(full);
3005            databaseBackend.updateConversation(conversation);
3006        }
3007
3008        final Bookmark bookmark = conversation.getBookmark();
3009        final String bookmarkedNick = bookmark == null ? null : bookmark.getNick();
3010        if (bookmark != null && (tookProposedNickFromBookmark || TextUtils.isEmpty(bookmarkedNick)) && !full.getResource().equals(bookmarkedNick)) {
3011            final Account account = conversation.getAccount();
3012            final String defaultNick = MucOptions.defaultNick(account);
3013            if (TextUtils.isEmpty(bookmarkedNick) && full.getResource().equals(defaultNick)) {
3014                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": do not overwrite empty bookmark nick with default nick for " + conversation.getJid().asBareJid());
3015                return;
3016            }
3017            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": persist nick '" + full.getResource() + "' into bookmark for " + conversation.getJid().asBareJid());
3018            bookmark.setNick(full.getResource());
3019            createBookmark(bookmark.getAccount(), bookmark);
3020        }
3021    }
3022
3023    public boolean renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
3024        final MucOptions options = conversation.getMucOptions();
3025        final Jid joinJid = options.createJoinJid(nick);
3026        if (joinJid == null) {
3027            return false;
3028        }
3029        if (options.online()) {
3030            Account account = conversation.getAccount();
3031            options.setOnRenameListener(new OnRenameListener() {
3032
3033                @Override
3034                public void onSuccess() {
3035                    callback.success(conversation);
3036                }
3037
3038                @Override
3039                public void onFailure() {
3040                    callback.error(R.string.nick_in_use, conversation);
3041                }
3042            });
3043
3044            final PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, options.nonanonymous());
3045            packet.setTo(joinJid);
3046            sendPresencePacket(account, packet);
3047        } else {
3048            conversation.setContactJid(joinJid);
3049            databaseBackend.updateConversation(conversation);
3050            if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
3051                Bookmark bookmark = conversation.getBookmark();
3052                if (bookmark != null) {
3053                    bookmark.setNick(nick);
3054                    createBookmark(bookmark.getAccount(), bookmark);
3055                }
3056                joinMuc(conversation);
3057            }
3058        }
3059        return true;
3060    }
3061
3062    public void leaveMuc(Conversation conversation) {
3063        leaveMuc(conversation, false);
3064    }
3065
3066    private void leaveMuc(Conversation conversation, boolean now) {
3067        final Account account = conversation.getAccount();
3068        synchronized (account.pendingConferenceJoins) {
3069            account.pendingConferenceJoins.remove(conversation);
3070        }
3071        synchronized (account.pendingConferenceLeaves) {
3072            account.pendingConferenceLeaves.remove(conversation);
3073        }
3074        if (account.getStatus() == Account.State.ONLINE || now) {
3075            sendPresencePacket(conversation.getAccount(), mPresenceGenerator.leave(conversation.getMucOptions()));
3076            conversation.getMucOptions().setOffline();
3077            Bookmark bookmark = conversation.getBookmark();
3078            if (bookmark != null) {
3079                bookmark.setConversation(null);
3080            }
3081            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": leaving muc " + conversation.getJid());
3082        } else {
3083            synchronized (account.pendingConferenceLeaves) {
3084                account.pendingConferenceLeaves.add(conversation);
3085            }
3086        }
3087    }
3088
3089    public String findConferenceServer(final Account account) {
3090        String server;
3091        if (account.getXmppConnection() != null) {
3092            server = account.getXmppConnection().getMucServer();
3093            if (server != null) {
3094                return server;
3095            }
3096        }
3097        for (Account other : getAccounts()) {
3098            if (other != account && other.getXmppConnection() != null) {
3099                server = other.getXmppConnection().getMucServer();
3100                if (server != null) {
3101                    return server;
3102                }
3103            }
3104        }
3105        return null;
3106    }
3107
3108
3109    public void createPublicChannel(final Account account, final String name, final Jid address, final UiCallback<Conversation> callback) {
3110        joinMuc(findOrCreateConversation(account, address, true, false, true), conversation -> {
3111            final Bundle configuration = IqGenerator.defaultChannelConfiguration();
3112            if (!TextUtils.isEmpty(name)) {
3113                configuration.putString("muc#roomconfig_roomname", name);
3114            }
3115            pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
3116                @Override
3117                public void onPushSucceeded() {
3118                    saveConversationAsBookmark(conversation, name);
3119                    callback.success(conversation);
3120                }
3121
3122                @Override
3123                public void onPushFailed() {
3124                    if (conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
3125                        callback.error(R.string.unable_to_set_channel_configuration, conversation);
3126                    } else {
3127                        callback.error(R.string.joined_an_existing_channel, conversation);
3128                    }
3129                }
3130            });
3131        });
3132    }
3133
3134    public boolean createAdhocConference(final Account account,
3135                                         final String name,
3136                                         final Iterable<Jid> jids,
3137                                         final UiCallback<Conversation> callback) {
3138        Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": creating adhoc conference with " + jids.toString());
3139        if (account.getStatus() == Account.State.ONLINE) {
3140            try {
3141                String server = findConferenceServer(account);
3142                if (server == null) {
3143                    if (callback != null) {
3144                        callback.error(R.string.no_conference_server_found, null);
3145                    }
3146                    return false;
3147                }
3148                final Jid jid = Jid.of(CryptoHelper.pronounceable(getRNG()), server, null);
3149                final Conversation conversation = findOrCreateConversation(account, jid, true, false, true);
3150                joinMuc(conversation, new OnConferenceJoined() {
3151                    @Override
3152                    public void onConferenceJoined(final Conversation conversation) {
3153                        final Bundle configuration = IqGenerator.defaultGroupChatConfiguration();
3154                        if (!TextUtils.isEmpty(name)) {
3155                            configuration.putString("muc#roomconfig_roomname", name);
3156                        }
3157                        pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
3158                            @Override
3159                            public void onPushSucceeded() {
3160                                for (Jid invite : jids) {
3161                                    invite(conversation, invite);
3162                                }
3163                                for (String resource : account.getSelfContact().getPresences().toResourceArray()) {
3164                                    Jid other = account.getJid().withResource(resource);
3165                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending direct invite to " + other);
3166                                    directInvite(conversation, other);
3167                                }
3168                                saveConversationAsBookmark(conversation, name);
3169                                if (callback != null) {
3170                                    callback.success(conversation);
3171                                }
3172                            }
3173
3174                            @Override
3175                            public void onPushFailed() {
3176                                archiveConversation(conversation);
3177                                if (callback != null) {
3178                                    callback.error(R.string.conference_creation_failed, conversation);
3179                                }
3180                            }
3181                        });
3182                    }
3183                });
3184                return true;
3185            } catch (IllegalArgumentException e) {
3186                if (callback != null) {
3187                    callback.error(R.string.conference_creation_failed, null);
3188                }
3189                return false;
3190            }
3191        } else {
3192            if (callback != null) {
3193                callback.error(R.string.not_connected_try_again, null);
3194            }
3195            return false;
3196        }
3197    }
3198
3199    public void fetchConferenceConfiguration(final Conversation conversation) {
3200        fetchConferenceConfiguration(conversation, null);
3201    }
3202
3203    public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
3204        IqPacket request = mIqGenerator.queryDiscoInfo(conversation.getJid().asBareJid());
3205        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3206            @Override
3207            public void onIqPacketReceived(Account account, IqPacket packet) {
3208                if (packet.getType() == IqPacket.TYPE.RESULT) {
3209                    final MucOptions mucOptions = conversation.getMucOptions();
3210                    final Bookmark bookmark = conversation.getBookmark();
3211                    final boolean sameBefore = StringUtils.equals(bookmark == null ? null : bookmark.getBookmarkName(), mucOptions.getName());
3212
3213                    if (mucOptions.updateConfiguration(new ServiceDiscoveryResult(packet))) {
3214                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": muc configuration changed for " + conversation.getJid().asBareJid());
3215                        updateConversation(conversation);
3216                    }
3217
3218                    if (bookmark != null && (sameBefore || bookmark.getBookmarkName() == null)) {
3219                        if (bookmark.setBookmarkName(StringUtils.nullOnEmpty(mucOptions.getName()))) {
3220                            createBookmark(account, bookmark);
3221                        }
3222                    }
3223
3224
3225                    if (callback != null) {
3226                        callback.onConferenceConfigurationFetched(conversation);
3227                    }
3228
3229
3230                    updateConversationUi();
3231                } else if (packet.getType() == IqPacket.TYPE.TIMEOUT) {
3232                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received timeout waiting for conference configuration fetch");
3233                } else {
3234                    if (callback != null) {
3235                        callback.onFetchFailed(conversation, packet.getErrorCondition());
3236                    }
3237                }
3238            }
3239        });
3240    }
3241
3242    public void pushNodeConfiguration(Account account, final String node, final Bundle options, final OnConfigurationPushed callback) {
3243        pushNodeConfiguration(account, account.getJid().asBareJid(), node, options, callback);
3244    }
3245
3246    public void pushNodeConfiguration(Account account, final Jid jid, final String node, final Bundle options, final OnConfigurationPushed callback) {
3247        Log.d(Config.LOGTAG, "pushing node configuration");
3248        sendIqPacket(account, mIqGenerator.requestPubsubConfiguration(jid, node), new OnIqPacketReceived() {
3249            @Override
3250            public void onIqPacketReceived(Account account, IqPacket packet) {
3251                if (packet.getType() == IqPacket.TYPE.RESULT) {
3252                    Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub#owner");
3253                    Element configuration = pubsub == null ? null : pubsub.findChild("configure");
3254                    Element x = configuration == null ? null : configuration.findChild("x", Namespace.DATA);
3255                    if (x != null) {
3256                        Data data = Data.parse(x);
3257                        data.submit(options);
3258                        sendIqPacket(account, mIqGenerator.publishPubsubConfiguration(jid, node, data), new OnIqPacketReceived() {
3259                            @Override
3260                            public void onIqPacketReceived(Account account, IqPacket packet) {
3261                                if (packet.getType() == IqPacket.TYPE.RESULT && callback != null) {
3262                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": successfully changed node configuration for node " + node);
3263                                    callback.onPushSucceeded();
3264                                } else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3265                                    callback.onPushFailed();
3266                                }
3267                            }
3268                        });
3269                    } else if (callback != null) {
3270                        callback.onPushFailed();
3271                    }
3272                } else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3273                    callback.onPushFailed();
3274                }
3275            }
3276        });
3277    }
3278
3279    public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConfigurationPushed callback) {
3280        if (options.getString("muc#roomconfig_whois", "moderators").equals("anyone")) {
3281            conversation.setAttribute("accept_non_anonymous", true);
3282            updateConversation(conversation);
3283        }
3284        if (options.containsKey("muc#roomconfig_moderatedroom")) {
3285            final boolean moderated = "1".equals(options.getString("muc#roomconfig_moderatedroom"));
3286            options.putString("members_by_default", moderated ? "0" : "1");
3287        }
3288        final IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3289        request.setTo(conversation.getJid().asBareJid());
3290        request.query("http://jabber.org/protocol/muc#owner");
3291        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3292            @Override
3293            public void onIqPacketReceived(Account account, IqPacket packet) {
3294                if (packet.getType() == IqPacket.TYPE.RESULT) {
3295                    final Data data = Data.parse(packet.query().findChild("x", Namespace.DATA));
3296                    data.submit(options);
3297                    final IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3298                    set.setTo(conversation.getJid().asBareJid());
3299                    set.query("http://jabber.org/protocol/muc#owner").addChild(data);
3300                    sendIqPacket(account, set, new OnIqPacketReceived() {
3301                        @Override
3302                        public void onIqPacketReceived(Account account, IqPacket packet) {
3303                            if (callback != null) {
3304                                if (packet.getType() == IqPacket.TYPE.RESULT) {
3305                                    callback.onPushSucceeded();
3306                                } else {
3307                                    callback.onPushFailed();
3308                                }
3309                            }
3310                        }
3311                    });
3312                } else {
3313                    if (callback != null) {
3314                        callback.onPushFailed();
3315                    }
3316                }
3317            }
3318        });
3319    }
3320
3321    public void pushSubjectToConference(final Conversation conference, final String subject) {
3322        MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, StringUtils.nullOnEmpty(subject));
3323        this.sendMessagePacket(conference.getAccount(), packet);
3324    }
3325
3326    public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
3327        final Jid jid = user.asBareJid();
3328        IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
3329        sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
3330            @Override
3331            public void onIqPacketReceived(Account account, IqPacket packet) {
3332                if (packet.getType() == IqPacket.TYPE.RESULT) {
3333                    conference.getMucOptions().changeAffiliation(jid, affiliation);
3334                    getAvatarService().clear(conference);
3335                    callback.onAffiliationChangedSuccessful(jid);
3336                } else {
3337                    callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
3338                }
3339            }
3340        });
3341    }
3342
3343    public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
3344        List<Jid> jids = new ArrayList<>();
3345        for (MucOptions.User user : conference.getMucOptions().getUsers()) {
3346            if (user.getAffiliation() == before && user.getRealJid() != null) {
3347                jids.add(user.getRealJid());
3348            }
3349        }
3350        IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
3351        sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
3352    }
3353
3354    public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role) {
3355        IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
3356        Log.d(Config.LOGTAG, request.toString());
3357        sendIqPacket(conference.getAccount(), request, (account, packet) -> {
3358            if (packet.getType() != IqPacket.TYPE.RESULT) {
3359                Log.d(Config.LOGTAG, account.getJid().asBareJid() + " unable to change role of " + nick);
3360            }
3361        });
3362    }
3363
3364    public void destroyRoom(final Conversation conversation, final OnRoomDestroy callback) {
3365        IqPacket request = new IqPacket(IqPacket.TYPE.SET);
3366        request.setTo(conversation.getJid().asBareJid());
3367        request.query("http://jabber.org/protocol/muc#owner").addChild("destroy");
3368        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3369            @Override
3370            public void onIqPacketReceived(Account account, IqPacket packet) {
3371                if (packet.getType() == IqPacket.TYPE.RESULT) {
3372                    if (callback != null) {
3373                        callback.onRoomDestroySucceeded();
3374                    }
3375                } else if (packet.getType() == IqPacket.TYPE.ERROR) {
3376                    if (callback != null) {
3377                        callback.onRoomDestroyFailed();
3378                    }
3379                }
3380            }
3381        });
3382    }
3383
3384    private void disconnect(Account account, boolean force) {
3385        if ((account.getStatus() == Account.State.ONLINE)
3386                || (account.getStatus() == Account.State.DISABLED)) {
3387            final XmppConnection connection = account.getXmppConnection();
3388            if (!force) {
3389                List<Conversation> conversations = getConversations();
3390                for (Conversation conversation : conversations) {
3391                    if (conversation.getAccount() == account) {
3392                        if (conversation.getMode() == Conversation.MODE_MULTI) {
3393                            leaveMuc(conversation, true);
3394                        }
3395                    }
3396                }
3397                sendOfflinePresence(account);
3398            }
3399            connection.disconnect(force);
3400        }
3401    }
3402
3403    @Override
3404    public IBinder onBind(Intent intent) {
3405        return mBinder;
3406    }
3407
3408    public void updateMessage(Message message) {
3409        updateMessage(message, true);
3410    }
3411
3412    public void updateMessage(Message message, boolean includeBody) {
3413        databaseBackend.updateMessage(message, includeBody);
3414        updateConversationUi();
3415    }
3416
3417    public void createMessageAsync(final Message message) {
3418        mDatabaseWriterExecutor.execute(() -> databaseBackend.createMessage(message));
3419    }
3420
3421    public void updateMessage(Message message, String uuid) {
3422        if (!databaseBackend.updateMessage(message, uuid)) {
3423            Log.e(Config.LOGTAG, "error updated message in DB after edit");
3424        }
3425        updateConversationUi();
3426    }
3427
3428    protected void syncDirtyContacts(Account account) {
3429        for (Contact contact : account.getRoster().getContacts()) {
3430            if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
3431                pushContactToServer(contact);
3432            }
3433            if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
3434                deleteContactOnServer(contact);
3435            }
3436        }
3437    }
3438
3439    public void createContact(Contact contact, boolean autoGrant) {
3440        if (autoGrant) {
3441            contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
3442            contact.setOption(Contact.Options.ASKING);
3443        }
3444        pushContactToServer(contact);
3445    }
3446
3447    public void pushContactToServer(final Contact contact) {
3448        contact.resetOption(Contact.Options.DIRTY_DELETE);
3449        contact.setOption(Contact.Options.DIRTY_PUSH);
3450        final Account account = contact.getAccount();
3451        if (account.getStatus() == Account.State.ONLINE) {
3452            final boolean ask = contact.getOption(Contact.Options.ASKING);
3453            final boolean sendUpdates = contact
3454                    .getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
3455                    && contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
3456            final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3457            iq.query(Namespace.ROSTER).addChild(contact.asElement());
3458            account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3459            if (sendUpdates) {
3460                sendPresencePacket(account, mPresenceGenerator.sendPresenceUpdatesTo(contact));
3461            }
3462            if (ask) {
3463                sendPresencePacket(account, mPresenceGenerator.requestPresenceUpdatesFrom(contact));
3464            }
3465        } else {
3466            syncRoster(contact.getAccount());
3467        }
3468    }
3469
3470    public void publishMucAvatar(final Conversation conversation, final Uri image, final OnAvatarPublication callback) {
3471        new Thread(() -> {
3472            final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3473            final int size = Config.AVATAR_SIZE;
3474            final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3475            if (avatar != null) {
3476                if (!getFileBackend().save(avatar)) {
3477                    callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3478                    return;
3479                }
3480                avatar.owner = conversation.getJid().asBareJid();
3481                publishMucAvatar(conversation, avatar, callback);
3482            } else {
3483                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3484            }
3485        }).start();
3486    }
3487
3488    public void publishAvatar(final Account account, final Uri image, final OnAvatarPublication callback) {
3489        new Thread(() -> {
3490            final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3491            final int size = Config.AVATAR_SIZE;
3492            final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3493            if (avatar != null) {
3494                if (!getFileBackend().save(avatar)) {
3495                    Log.d(Config.LOGTAG, "unable to save vcard");
3496                    callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3497                    return;
3498                }
3499                publishAvatar(account, avatar, callback);
3500            } else {
3501                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3502            }
3503        }).start();
3504
3505    }
3506
3507    private void publishMucAvatar(Conversation conversation, Avatar avatar, OnAvatarPublication callback) {
3508        final IqPacket retrieve = mIqGenerator.retrieveVcardAvatar(avatar);
3509        sendIqPacket(conversation.getAccount(), retrieve, (account, response) -> {
3510            boolean itemNotFound = response.getType() == IqPacket.TYPE.ERROR && response.hasChild("error") && response.findChild("error").hasChild("item-not-found");
3511            if (response.getType() == IqPacket.TYPE.RESULT || itemNotFound) {
3512                Element vcard = response.findChild("vCard", "vcard-temp");
3513                if (vcard == null) {
3514                    vcard = new Element("vCard", "vcard-temp");
3515                }
3516                Element photo = vcard.findChild("PHOTO");
3517                if (photo == null) {
3518                    photo = vcard.addChild("PHOTO");
3519                }
3520                photo.clearChildren();
3521                photo.addChild("TYPE").setContent(avatar.type);
3522                photo.addChild("BINVAL").setContent(avatar.image);
3523                IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
3524                publication.setTo(conversation.getJid().asBareJid());
3525                publication.addChild(vcard);
3526                sendIqPacket(account, publication, (a1, publicationResponse) -> {
3527                    if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
3528                        callback.onAvatarPublicationSucceeded();
3529                    } else {
3530                        Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getErrorCondition());
3531                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3532                    }
3533                });
3534            } else {
3535                Log.d(Config.LOGTAG, "failed to request vcard " + response.toString());
3536                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_no_server_support);
3537            }
3538        });
3539    }
3540
3541    public void publishAvatar(Account account, final Avatar avatar, final OnAvatarPublication callback) {
3542        final Bundle options;
3543        if (account.getXmppConnection().getFeatures().pepPublishOptions()) {
3544            options = PublishOptions.openAccess();
3545        } else {
3546            options = null;
3547        }
3548        publishAvatar(account, avatar, options, true, callback);
3549    }
3550
3551    public void publishAvatar(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3552        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": publishing avatar. options=" + options);
3553        IqPacket packet = this.mIqGenerator.publishAvatar(avatar, options);
3554        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3555
3556            @Override
3557            public void onIqPacketReceived(Account account, IqPacket result) {
3558                if (result.getType() == IqPacket.TYPE.RESULT) {
3559                    publishAvatarMetadata(account, avatar, options, true, callback);
3560                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3561                    pushNodeConfiguration(account, "urn:xmpp:avatar:data", options, new OnConfigurationPushed() {
3562                        @Override
3563                        public void onPushSucceeded() {
3564                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": changed node configuration for avatar node");
3565                            publishAvatar(account, avatar, options, false, callback);
3566                        }
3567
3568                        @Override
3569                        public void onPushFailed() {
3570                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to change node configuration for avatar node");
3571                            publishAvatar(account, avatar, null, false, callback);
3572                        }
3573                    });
3574                } else {
3575                    Element error = result.findChild("error");
3576                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server rejected avatar " + (avatar.size / 1024) + "KiB " + (error != null ? error.toString() : ""));
3577                    if (callback != null) {
3578                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3579                    }
3580                }
3581            }
3582        });
3583    }
3584
3585    public void publishAvatarMetadata(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3586        final IqPacket packet = XmppConnectionService.this.mIqGenerator.publishAvatarMetadata(avatar, options);
3587        sendIqPacket(account, packet, new OnIqPacketReceived() {
3588            @Override
3589            public void onIqPacketReceived(Account account, IqPacket result) {
3590                if (result.getType() == IqPacket.TYPE.RESULT) {
3591                    if (account.setAvatar(avatar.getFilename())) {
3592                        getAvatarService().clear(account);
3593                        databaseBackend.updateAccount(account);
3594                        notifyAccountAvatarHasChanged(account);
3595                    }
3596                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": published avatar " + (avatar.size / 1024) + "KiB");
3597                    if (callback != null) {
3598                        callback.onAvatarPublicationSucceeded();
3599                    }
3600                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3601                    pushNodeConfiguration(account, "urn:xmpp:avatar:metadata", options, new OnConfigurationPushed() {
3602                        @Override
3603                        public void onPushSucceeded() {
3604                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": changed node configuration for avatar meta data node");
3605                            publishAvatarMetadata(account, avatar, options, false, callback);
3606                        }
3607
3608                        @Override
3609                        public void onPushFailed() {
3610                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to change node configuration for avatar meta data node");
3611                            publishAvatarMetadata(account, avatar, null, false, callback);
3612                        }
3613                    });
3614                } else {
3615                    if (callback != null) {
3616                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3617                    }
3618                }
3619            }
3620        });
3621    }
3622
3623    public void republishAvatarIfNeeded(Account account) {
3624        if (account.getAxolotlService().isPepBroken()) {
3625            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping republication of avatar because pep is broken");
3626            return;
3627        }
3628        IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3629        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3630
3631            private Avatar parseAvatar(IqPacket packet) {
3632                Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3633                if (pubsub != null) {
3634                    Element items = pubsub.findChild("items");
3635                    if (items != null) {
3636                        return Avatar.parseMetadata(items);
3637                    }
3638                }
3639                return null;
3640            }
3641
3642            private boolean errorIsItemNotFound(IqPacket packet) {
3643                Element error = packet.findChild("error");
3644                return packet.getType() == IqPacket.TYPE.ERROR
3645                        && error != null
3646                        && error.hasChild("item-not-found");
3647            }
3648
3649            @Override
3650            public void onIqPacketReceived(Account account, IqPacket packet) {
3651                if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
3652                    Avatar serverAvatar = parseAvatar(packet);
3653                    if (serverAvatar == null && account.getAvatar() != null) {
3654                        Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
3655                        if (avatar != null) {
3656                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar on server was null. republishing");
3657                            publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
3658                        } else {
3659                            Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": error rereading avatar");
3660                        }
3661                    }
3662                }
3663            }
3664        });
3665    }
3666
3667    public void fetchAvatar(Account account, Avatar avatar) {
3668        fetchAvatar(account, avatar, null);
3669    }
3670
3671    public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3672        final String KEY = generateFetchKey(account, avatar);
3673        synchronized (this.mInProgressAvatarFetches) {
3674            if (mInProgressAvatarFetches.add(KEY)) {
3675                switch (avatar.origin) {
3676                    case PEP:
3677                        this.mInProgressAvatarFetches.add(KEY);
3678                        fetchAvatarPep(account, avatar, callback);
3679                        break;
3680                    case VCARD:
3681                        this.mInProgressAvatarFetches.add(KEY);
3682                        fetchAvatarVcard(account, avatar, callback);
3683                        break;
3684                }
3685            } else if (avatar.origin == Avatar.Origin.PEP) {
3686                mOmittedPepAvatarFetches.add(KEY);
3687            } else {
3688                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": already fetching " + avatar.origin + " avatar for " + avatar.owner);
3689            }
3690        }
3691    }
3692
3693    private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3694        IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
3695        sendIqPacket(account, packet, (a, result) -> {
3696            synchronized (mInProgressAvatarFetches) {
3697                mInProgressAvatarFetches.remove(generateFetchKey(a, avatar));
3698            }
3699            final String ERROR = a.getJid().asBareJid() + ": fetching avatar for " + avatar.owner + " failed ";
3700            if (result.getType() == IqPacket.TYPE.RESULT) {
3701                avatar.image = mIqParser.avatarData(result);
3702                if (avatar.image != null) {
3703                    if (getFileBackend().save(avatar)) {
3704                        if (a.getJid().asBareJid().equals(avatar.owner)) {
3705                            if (a.setAvatar(avatar.getFilename())) {
3706                                databaseBackend.updateAccount(a);
3707                            }
3708                            getAvatarService().clear(a);
3709                            updateConversationUi();
3710                            updateAccountUi();
3711                        } else {
3712                            final Contact contact = a.getRoster().getContact(avatar.owner);
3713                            contact.setAvatar(avatar);
3714                            syncRoster(account);
3715                            getAvatarService().clear(contact);
3716                            updateConversationUi();
3717                            updateRosterUi();
3718                        }
3719                        if (callback != null) {
3720                            callback.success(avatar);
3721                        }
3722                        Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": successfully fetched pep avatar for " + avatar.owner);
3723                        return;
3724                    }
3725                } else {
3726
3727                    Log.d(Config.LOGTAG, ERROR + "(parsing error)");
3728                }
3729            } else {
3730                Element error = result.findChild("error");
3731                if (error == null) {
3732                    Log.d(Config.LOGTAG, ERROR + "(server error)");
3733                } else {
3734                    Log.d(Config.LOGTAG, ERROR + error.toString());
3735                }
3736            }
3737            if (callback != null) {
3738                callback.error(0, null);
3739            }
3740
3741        });
3742    }
3743
3744    private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3745        IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
3746        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3747            @Override
3748            public void onIqPacketReceived(Account account, IqPacket packet) {
3749                final boolean previouslyOmittedPepFetch;
3750                synchronized (mInProgressAvatarFetches) {
3751                    final String KEY = generateFetchKey(account, avatar);
3752                    mInProgressAvatarFetches.remove(KEY);
3753                    previouslyOmittedPepFetch = mOmittedPepAvatarFetches.remove(KEY);
3754                }
3755                if (packet.getType() == IqPacket.TYPE.RESULT) {
3756                    Element vCard = packet.findChild("vCard", "vcard-temp");
3757                    Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
3758                    String image = photo != null ? photo.findChildContent("BINVAL") : null;
3759                    if (image != null) {
3760                        avatar.image = image;
3761                        if (getFileBackend().save(avatar)) {
3762                            Log.d(Config.LOGTAG, account.getJid().asBareJid()
3763                                    + ": successfully fetched vCard avatar for " + avatar.owner + " omittedPep=" + previouslyOmittedPepFetch);
3764                            if (avatar.owner.isBareJid()) {
3765                                if (account.getJid().asBareJid().equals(avatar.owner) && account.getAvatar() == null) {
3766                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": had no avatar. replacing with vcard");
3767                                    account.setAvatar(avatar.getFilename());
3768                                    databaseBackend.updateAccount(account);
3769                                    getAvatarService().clear(account);
3770                                    updateAccountUi();
3771                                } else {
3772                                    final Contact contact = account.getRoster().getContact(avatar.owner);
3773                                    contact.setAvatar(avatar, previouslyOmittedPepFetch);
3774                                    syncRoster(account);
3775                                    getAvatarService().clear(contact);
3776                                    updateRosterUi();
3777                                }
3778                                updateConversationUi();
3779                            } else {
3780                                Conversation conversation = find(account, avatar.owner.asBareJid());
3781                                if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
3782                                    MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
3783                                    if (user != null) {
3784                                        if (user.setAvatar(avatar)) {
3785                                            getAvatarService().clear(user);
3786                                            updateConversationUi();
3787                                            updateMucRosterUi();
3788                                        }
3789                                        if (user.getRealJid() != null) {
3790                                            Contact contact = account.getRoster().getContact(user.getRealJid());
3791                                            contact.setAvatar(avatar);
3792                                            syncRoster(account);
3793                                            getAvatarService().clear(contact);
3794                                            updateRosterUi();
3795                                        }
3796                                    }
3797                                }
3798                            }
3799                        }
3800                    }
3801                }
3802            }
3803        });
3804    }
3805
3806    public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
3807        IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3808        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3809
3810            @Override
3811            public void onIqPacketReceived(Account account, IqPacket packet) {
3812                if (packet.getType() == IqPacket.TYPE.RESULT) {
3813                    Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3814                    if (pubsub != null) {
3815                        Element items = pubsub.findChild("items");
3816                        if (items != null) {
3817                            Avatar avatar = Avatar.parseMetadata(items);
3818                            if (avatar != null) {
3819                                avatar.owner = account.getJid().asBareJid();
3820                                if (fileBackend.isAvatarCached(avatar)) {
3821                                    if (account.setAvatar(avatar.getFilename())) {
3822                                        databaseBackend.updateAccount(account);
3823                                    }
3824                                    getAvatarService().clear(account);
3825                                    callback.success(avatar);
3826                                } else {
3827                                    fetchAvatarPep(account, avatar, callback);
3828                                }
3829                                return;
3830                            }
3831                        }
3832                    }
3833                }
3834                callback.error(0, null);
3835            }
3836        });
3837    }
3838
3839    public void notifyAccountAvatarHasChanged(final Account account) {
3840        final XmppConnection connection = account.getXmppConnection();
3841        if (connection != null && connection.getFeatures().bookmarksConversion()) {
3842            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar changed. resending presence to online group chats");
3843            for (Conversation conversation : conversations) {
3844                if (conversation.getAccount() == account && conversation.getMode() == Conversational.MODE_MULTI) {
3845                    final MucOptions mucOptions = conversation.getMucOptions();
3846                    if (mucOptions.online()) {
3847                        PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous());
3848                        packet.setTo(mucOptions.getSelf().getFullJid());
3849                        connection.sendPresencePacket(packet);
3850                    }
3851                }
3852            }
3853        }
3854    }
3855
3856    public void deleteContactOnServer(Contact contact) {
3857        contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
3858        contact.resetOption(Contact.Options.DIRTY_PUSH);
3859        contact.setOption(Contact.Options.DIRTY_DELETE);
3860        Account account = contact.getAccount();
3861        if (account.getStatus() == Account.State.ONLINE) {
3862            IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3863            Element item = iq.query(Namespace.ROSTER).addChild("item");
3864            item.setAttribute("jid", contact.getJid());
3865            item.setAttribute("subscription", "remove");
3866            account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3867        }
3868    }
3869
3870    public void updateConversation(final Conversation conversation) {
3871        mDatabaseWriterExecutor.execute(() -> databaseBackend.updateConversation(conversation));
3872    }
3873
3874    private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
3875        synchronized (account) {
3876            XmppConnection connection = account.getXmppConnection();
3877            if (connection == null) {
3878                connection = createConnection(account);
3879                account.setXmppConnection(connection);
3880            }
3881            boolean hasInternet = hasInternetConnection();
3882            if (account.isEnabled() && hasInternet) {
3883                if (!force) {
3884                    disconnect(account, false);
3885                }
3886                Thread thread = new Thread(connection);
3887                connection.setInteractive(interactive);
3888                connection.prepareNewConnection();
3889                connection.interrupt();
3890                thread.start();
3891                scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
3892            } else {
3893                disconnect(account, force || account.getTrueStatus().isError() || !hasInternet);
3894                account.getRoster().clearPresences();
3895                connection.resetEverything();
3896                final AxolotlService axolotlService = account.getAxolotlService();
3897                if (axolotlService != null) {
3898                    axolotlService.resetBrokenness();
3899                }
3900                if (!hasInternet) {
3901                    account.setStatus(Account.State.NO_INTERNET);
3902                }
3903            }
3904        }
3905    }
3906
3907    public void reconnectAccountInBackground(final Account account) {
3908        new Thread(() -> reconnectAccount(account, false, true)).start();
3909    }
3910
3911    public void invite(Conversation conversation, Jid contact) {
3912        Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": inviting " + contact + " to " + conversation.getJid().asBareJid());
3913        MessagePacket packet = mMessageGenerator.invite(conversation, contact);
3914        sendMessagePacket(conversation.getAccount(), packet);
3915    }
3916
3917    public void directInvite(Conversation conversation, Jid jid) {
3918        MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
3919        sendMessagePacket(conversation.getAccount(), packet);
3920    }
3921
3922    public void resetSendingToWaiting(Account account) {
3923        for (Conversation conversation : getConversations()) {
3924            if (conversation.getAccount() == account) {
3925                conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
3926            }
3927        }
3928    }
3929
3930    public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
3931        return markMessage(account, recipient, uuid, status, null);
3932    }
3933
3934    public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
3935        if (uuid == null) {
3936            return null;
3937        }
3938        for (Conversation conversation : getConversations()) {
3939            if (conversation.getJid().asBareJid().equals(recipient) && conversation.getAccount() == account) {
3940                final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
3941                if (message != null) {
3942                    markMessage(message, status, errorMessage);
3943                }
3944                return message;
3945            }
3946        }
3947        return null;
3948    }
3949
3950    public boolean markMessage(final Conversation conversation, final String uuid, final int status, final String serverMessageId) {
3951        return markMessage(conversation, uuid, status, serverMessageId, null);
3952    }
3953
3954    public boolean markMessage(final Conversation conversation, final String uuid, final int status, final String serverMessageId, final LocalizedContent body) {
3955        if (uuid == null) {
3956            return false;
3957        } else {
3958            final Message message = conversation.findSentMessageWithUuid(uuid);
3959            if (message != null) {
3960                if (message.getServerMsgId() == null) {
3961                    message.setServerMsgId(serverMessageId);
3962                }
3963                if (message.getEncryption() == Message.ENCRYPTION_NONE
3964                        && message.isTypeText()
3965                        && isBodyModified(message, body)) {
3966                    message.setBody(body.content);
3967                    if (body.count > 1) {
3968                        message.setBodyLanguage(body.language);
3969                    }
3970                    markMessage(message, status, null, true);
3971                } else {
3972                    markMessage(message, status);
3973                }
3974                return true;
3975            } else {
3976                return false;
3977            }
3978        }
3979    }
3980
3981    private static boolean isBodyModified(final Message message, final LocalizedContent body) {
3982        if (body == null || body.content == null) {
3983            return false;
3984        }
3985        return !body.content.equals(message.getBody());
3986    }
3987
3988    public void markMessage(Message message, int status) {
3989        markMessage(message, status, null);
3990    }
3991
3992
3993    public void markMessage(final Message message, final int status, final String errorMessage) {
3994        markMessage(message, status, errorMessage, false);
3995    }
3996
3997    public void markMessage(final Message message, final int status, final String errorMessage, final boolean includeBody) {
3998        final int oldStatus = message.getStatus();
3999        if (status == Message.STATUS_SEND_FAILED && (oldStatus == Message.STATUS_SEND_RECEIVED || oldStatus == Message.STATUS_SEND_DISPLAYED)) {
4000            return;
4001        }
4002        if (status == Message.STATUS_SEND_RECEIVED && oldStatus == Message.STATUS_SEND_DISPLAYED) {
4003            return;
4004        }
4005        message.setErrorMessage(errorMessage);
4006        message.setStatus(status);
4007        databaseBackend.updateMessage(message, includeBody);
4008        updateConversationUi();
4009        if (oldStatus != status && status == Message.STATUS_SEND_FAILED) {
4010            mNotificationService.pushFailedDelivery(message);
4011        }
4012    }
4013
4014    private SharedPreferences getPreferences() {
4015        return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
4016    }
4017
4018    public long getAutomaticMessageDeletionDate() {
4019        final long timeout = getLongPreference(SettingsActivity.AUTOMATIC_MESSAGE_DELETION, R.integer.automatic_message_deletion);
4020        return timeout == 0 ? timeout : (System.currentTimeMillis() - (timeout * 1000));
4021    }
4022
4023    public long getLongPreference(String name, @IntegerRes int res) {
4024        long defaultValue = getResources().getInteger(res);
4025        try {
4026            return Long.parseLong(getPreferences().getString(name, String.valueOf(defaultValue)));
4027        } catch (NumberFormatException e) {
4028            return defaultValue;
4029        }
4030    }
4031
4032    public boolean getBooleanPreference(String name, @BoolRes int res) {
4033        return getPreferences().getBoolean(name, getResources().getBoolean(res));
4034    }
4035
4036    public boolean confirmMessages() {
4037        return getBooleanPreference("confirm_messages", R.bool.confirm_messages);
4038    }
4039
4040    public boolean allowMessageCorrection() {
4041        return getBooleanPreference("allow_message_correction", R.bool.allow_message_correction);
4042    }
4043
4044    public boolean sendChatStates() {
4045        return getBooleanPreference("chat_states", R.bool.chat_states);
4046    }
4047
4048    private boolean synchronizeWithBookmarks() {
4049        return getBooleanPreference("autojoin", R.bool.autojoin);
4050    }
4051
4052    public boolean useTorToConnect() {
4053        return QuickConversationsService.isConversations() && getBooleanPreference("use_tor", R.bool.use_tor);
4054    }
4055
4056    public boolean showExtendedConnectionOptions() {
4057        return QuickConversationsService.isConversations() && getBooleanPreference("show_connection_options", R.bool.show_connection_options);
4058    }
4059
4060    public boolean broadcastLastActivity() {
4061        return getBooleanPreference(SettingsActivity.BROADCAST_LAST_ACTIVITY, R.bool.last_activity);
4062    }
4063
4064    public int unreadCount() {
4065        int count = 0;
4066        for (Conversation conversation : getConversations()) {
4067            count += conversation.unreadCount();
4068        }
4069        return count;
4070    }
4071
4072
4073    private <T> List<T> threadSafeList(Set<T> set) {
4074        synchronized (LISTENER_LOCK) {
4075            return set.size() == 0 ? Collections.emptyList() : new ArrayList<>(set);
4076        }
4077    }
4078
4079    public void showErrorToastInUi(int resId) {
4080        for (OnShowErrorToast listener : threadSafeList(this.mOnShowErrorToasts)) {
4081            listener.onShowErrorToast(resId);
4082        }
4083    }
4084
4085    public void updateConversationUi() {
4086        for (OnConversationUpdate listener : threadSafeList(this.mOnConversationUpdates)) {
4087            listener.onConversationUpdate();
4088        }
4089    }
4090
4091    public void notifyJingleRtpConnectionUpdate(final Account account, final Jid with, final String sessionId, final RtpEndUserState state) {
4092        for (OnJingleRtpConnectionUpdate listener : threadSafeList(this.onJingleRtpConnectionUpdate)) {
4093            listener.onJingleRtpConnectionUpdate(account, with, sessionId, state);
4094        }
4095    }
4096
4097    public void notifyJingleRtpConnectionUpdate(AppRTCAudioManager.AudioDevice selectedAudioDevice, Set<AppRTCAudioManager.AudioDevice> availableAudioDevices) {
4098        for (OnJingleRtpConnectionUpdate listener : threadSafeList(this.onJingleRtpConnectionUpdate)) {
4099            listener.onAudioDeviceChanged(selectedAudioDevice, availableAudioDevices);
4100        }
4101    }
4102
4103    public void updateAccountUi() {
4104        for (OnAccountUpdate listener : threadSafeList(this.mOnAccountUpdates)) {
4105            listener.onAccountUpdate();
4106        }
4107    }
4108
4109    public void updateRosterUi() {
4110        for (OnRosterUpdate listener : threadSafeList(this.mOnRosterUpdates)) {
4111            listener.onRosterUpdate();
4112        }
4113    }
4114
4115    public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
4116        if (mOnCaptchaRequested.size() > 0) {
4117            DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
4118            Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
4119                    (int) (captcha.getHeight() * metrics.scaledDensity), false);
4120            for (OnCaptchaRequested listener : threadSafeList(this.mOnCaptchaRequested)) {
4121                listener.onCaptchaRequested(account, id, data, scaled);
4122            }
4123            return true;
4124        }
4125        return false;
4126    }
4127
4128    public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
4129        for (OnUpdateBlocklist listener : threadSafeList(this.mOnUpdateBlocklist)) {
4130            listener.OnUpdateBlocklist(status);
4131        }
4132    }
4133
4134    public void updateMucRosterUi() {
4135        for (OnMucRosterUpdate listener : threadSafeList(this.mOnMucRosterUpdate)) {
4136            listener.onMucRosterUpdate();
4137        }
4138    }
4139
4140    public void keyStatusUpdated(AxolotlService.FetchStatus report) {
4141        for (OnKeyStatusUpdated listener : threadSafeList(this.mOnKeyStatusUpdated)) {
4142            listener.onKeyStatusUpdated(report);
4143        }
4144    }
4145
4146    public Account findAccountByJid(final Jid jid) {
4147        for (final Account account : this.accounts) {
4148            if (account.getJid().asBareJid().equals(jid.asBareJid())) {
4149                return account;
4150            }
4151        }
4152        return null;
4153    }
4154
4155    public Account findAccountByUuid(final String uuid) {
4156        for (Account account : this.accounts) {
4157            if (account.getUuid().equals(uuid)) {
4158                return account;
4159            }
4160        }
4161        return null;
4162    }
4163
4164    public Conversation findConversationByUuid(String uuid) {
4165        for (Conversation conversation : getConversations()) {
4166            if (conversation.getUuid().equals(uuid)) {
4167                return conversation;
4168            }
4169        }
4170        return null;
4171    }
4172
4173    public Conversation findUniqueConversationByJid(XmppUri xmppUri) {
4174        List<Conversation> findings = new ArrayList<>();
4175        for (Conversation c : getConversations()) {
4176            if (c.getAccount().isEnabled() && c.getJid().asBareJid().equals(xmppUri.getJid()) && ((c.getMode() == Conversational.MODE_MULTI) == xmppUri.isAction(XmppUri.ACTION_JOIN))) {
4177                findings.add(c);
4178            }
4179        }
4180        return findings.size() == 1 ? findings.get(0) : null;
4181    }
4182
4183    public boolean markRead(final Conversation conversation, boolean dismiss) {
4184        return markRead(conversation, null, dismiss).size() > 0;
4185    }
4186
4187    public void markRead(final Conversation conversation) {
4188        markRead(conversation, null, true);
4189    }
4190
4191    public List<Message> markRead(final Conversation conversation, String upToUuid, boolean dismiss) {
4192        if (dismiss) {
4193            mNotificationService.clear(conversation);
4194        }
4195        final List<Message> readMessages = conversation.markRead(upToUuid);
4196        if (readMessages.size() > 0) {
4197            Runnable runnable = () -> {
4198                for (Message message : readMessages) {
4199                    databaseBackend.updateMessage(message, false);
4200                }
4201            };
4202            mDatabaseWriterExecutor.execute(runnable);
4203            updateConversationUi();
4204            updateUnreadCountBadge();
4205            return readMessages;
4206        } else {
4207            return readMessages;
4208        }
4209    }
4210
4211    public synchronized void updateUnreadCountBadge() {
4212        int count = unreadCount();
4213        if (unreadCount != count) {
4214            Log.d(Config.LOGTAG, "update unread count to " + count);
4215            if (count > 0) {
4216                ShortcutBadger.applyCount(getApplicationContext(), count);
4217            } else {
4218                ShortcutBadger.removeCount(getApplicationContext());
4219            }
4220            unreadCount = count;
4221        }
4222    }
4223
4224    public void sendReadMarker(final Conversation conversation, String upToUuid) {
4225        final boolean isPrivateAndNonAnonymousMuc = conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous();
4226        final List<Message> readMessages = this.markRead(conversation, upToUuid, true);
4227        if (readMessages.size() > 0) {
4228            updateConversationUi();
4229        }
4230        final Message markable = Conversation.getLatestMarkableMessage(readMessages, isPrivateAndNonAnonymousMuc);
4231        if (confirmMessages()
4232                && markable != null
4233                && (markable.trusted() || isPrivateAndNonAnonymousMuc)
4234                && markable.getRemoteMsgId() != null) {
4235            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
4236            final Account account = conversation.getAccount();
4237            final MessagePacket packet = mMessageGenerator.confirm(markable);
4238            this.sendMessagePacket(account, packet);
4239        }
4240    }
4241
4242    public SecureRandom getRNG() {
4243        return this.mRandom;
4244    }
4245
4246    public MemorizingTrustManager getMemorizingTrustManager() {
4247        return this.mMemorizingTrustManager;
4248    }
4249
4250    public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
4251        this.mMemorizingTrustManager = trustManager;
4252    }
4253
4254    public void updateMemorizingTrustmanager() {
4255        final MemorizingTrustManager tm;
4256        final boolean dontTrustSystemCAs = getBooleanPreference("dont_trust_system_cas", R.bool.dont_trust_system_cas);
4257        if (dontTrustSystemCAs) {
4258            tm = new MemorizingTrustManager(getApplicationContext(), null);
4259        } else {
4260            tm = new MemorizingTrustManager(getApplicationContext());
4261        }
4262        setMemorizingTrustManager(tm);
4263    }
4264
4265    public LruCache<String, Bitmap> getBitmapCache() {
4266        return this.mBitmapCache;
4267    }
4268
4269    public Collection<String> getKnownHosts() {
4270        final Set<String> hosts = new HashSet<>();
4271        for (final Account account : getAccounts()) {
4272            hosts.add(account.getServer());
4273            for (final Contact contact : account.getRoster().getContacts()) {
4274                if (contact.showInRoster()) {
4275                    final String server = contact.getServer();
4276                    if (server != null) {
4277                        hosts.add(server);
4278                    }
4279                }
4280            }
4281        }
4282        if (Config.QUICKSY_DOMAIN != null) {
4283            hosts.remove(Config.QUICKSY_DOMAIN.toEscapedString()); //we only want to show this when we type a e164 number
4284        }
4285        if (Config.DOMAIN_LOCK != null) {
4286            hosts.add(Config.DOMAIN_LOCK);
4287        }
4288        if (Config.MAGIC_CREATE_DOMAIN != null) {
4289            hosts.add(Config.MAGIC_CREATE_DOMAIN);
4290        }
4291        return hosts;
4292    }
4293
4294    public Collection<String> getKnownConferenceHosts() {
4295        final Set<String> mucServers = new HashSet<>();
4296        for (final Account account : accounts) {
4297            if (account.getXmppConnection() != null) {
4298                mucServers.addAll(account.getXmppConnection().getMucServers());
4299                for (Bookmark bookmark : account.getBookmarks()) {
4300                    final Jid jid = bookmark.getJid();
4301                    final String s = jid == null ? null : jid.getDomain().toEscapedString();
4302                    if (s != null) {
4303                        mucServers.add(s);
4304                    }
4305                }
4306            }
4307        }
4308        return mucServers;
4309    }
4310
4311    public void sendMessagePacket(Account account, MessagePacket packet) {
4312        final XmppConnection connection = account.getXmppConnection();
4313        if (connection != null) {
4314            connection.sendMessagePacket(packet);
4315        }
4316    }
4317
4318    public void sendPresencePacket(Account account, PresencePacket packet) {
4319        XmppConnection connection = account.getXmppConnection();
4320        if (connection != null) {
4321            connection.sendPresencePacket(packet);
4322        }
4323    }
4324
4325    public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
4326        final XmppConnection connection = account.getXmppConnection();
4327        if (connection != null) {
4328            IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
4329            connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener, true);
4330        }
4331    }
4332
4333    public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
4334        final XmppConnection connection = account.getXmppConnection();
4335        if (connection != null) {
4336            connection.sendIqPacket(packet, callback);
4337        } else if (callback != null) {
4338            callback.onIqPacketReceived(account, new IqPacket(IqPacket.TYPE.TIMEOUT));
4339        }
4340    }
4341
4342    public void sendPresence(final Account account) {
4343        sendPresence(account, checkListeners() && broadcastLastActivity());
4344    }
4345
4346    private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
4347        final Presence.Status status;
4348        if (manuallyChangePresence()) {
4349            status = account.getPresenceStatus();
4350        } else {
4351            status = getTargetPresence();
4352        }
4353        final PresencePacket packet = mPresenceGenerator.selfPresence(account, status);
4354        if (mLastActivity > 0 && includeIdleTimestamp) {
4355            long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
4356            packet.addChild("idle", Namespace.IDLE).setAttribute("since", AbstractGenerator.getTimestamp(since));
4357        }
4358        sendPresencePacket(account, packet);
4359    }
4360
4361    private void deactivateGracePeriod() {
4362        for (Account account : getAccounts()) {
4363            account.deactivateGracePeriod();
4364        }
4365    }
4366
4367    public void refreshAllPresences() {
4368        boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
4369        for (Account account : getAccounts()) {
4370            if (account.isEnabled()) {
4371                sendPresence(account, includeIdleTimestamp);
4372            }
4373        }
4374    }
4375
4376    private void refreshAllFcmTokens() {
4377        for (Account account : getAccounts()) {
4378            if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
4379                mPushManagementService.registerPushTokenOnServer(account);
4380                //TODO renew mucs
4381            }
4382        }
4383    }
4384
4385    private void sendOfflinePresence(final Account account) {
4386        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending offline presence");
4387        sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
4388    }
4389
4390    public MessageGenerator getMessageGenerator() {
4391        return this.mMessageGenerator;
4392    }
4393
4394    public PresenceGenerator getPresenceGenerator() {
4395        return this.mPresenceGenerator;
4396    }
4397
4398    public IqGenerator getIqGenerator() {
4399        return this.mIqGenerator;
4400    }
4401
4402    public IqParser getIqParser() {
4403        return this.mIqParser;
4404    }
4405
4406    public JingleConnectionManager getJingleConnectionManager() {
4407        return this.mJingleConnectionManager;
4408    }
4409
4410    public MessageArchiveService getMessageArchiveService() {
4411        return this.mMessageArchiveService;
4412    }
4413
4414    public QuickConversationsService getQuickConversationsService() {
4415        return this.mQuickConversationsService;
4416    }
4417
4418    public List<Contact> findContacts(Jid jid, String accountJid) {
4419        ArrayList<Contact> contacts = new ArrayList<>();
4420        for (Account account : getAccounts()) {
4421            if ((account.isEnabled() || accountJid != null)
4422                    && (accountJid == null || accountJid.equals(account.getJid().asBareJid().toString()))) {
4423                Contact contact = account.getRoster().getContactFromContactList(jid);
4424                if (contact != null) {
4425                    contacts.add(contact);
4426                }
4427            }
4428        }
4429        return contacts;
4430    }
4431
4432    public Conversation findFirstMuc(Jid jid) {
4433        for (Conversation conversation : getConversations()) {
4434            if (conversation.getAccount().isEnabled() && conversation.getJid().asBareJid().equals(jid.asBareJid()) && conversation.getMode() == Conversation.MODE_MULTI) {
4435                return conversation;
4436            }
4437        }
4438        return null;
4439    }
4440
4441    public NotificationService getNotificationService() {
4442        return this.mNotificationService;
4443    }
4444
4445    public HttpConnectionManager getHttpConnectionManager() {
4446        return this.mHttpConnectionManager;
4447    }
4448
4449    public void resendFailedMessages(final Message message) {
4450        final Collection<Message> messages = new ArrayList<>();
4451        Message current = message;
4452        while (current.getStatus() == Message.STATUS_SEND_FAILED) {
4453            messages.add(current);
4454            if (current.mergeable(current.next())) {
4455                current = current.next();
4456            } else {
4457                break;
4458            }
4459        }
4460        for (final Message msg : messages) {
4461            msg.setTime(System.currentTimeMillis());
4462            markMessage(msg, Message.STATUS_WAITING);
4463            this.resendMessage(msg, false);
4464        }
4465        if (message.getConversation() instanceof Conversation) {
4466            ((Conversation) message.getConversation()).sort();
4467        }
4468        updateConversationUi();
4469    }
4470
4471    public void clearConversationHistory(final Conversation conversation) {
4472        final long clearDate;
4473        final String reference;
4474        if (conversation.countMessages() > 0) {
4475            Message latestMessage = conversation.getLatestMessage();
4476            clearDate = latestMessage.getTimeSent() + 1000;
4477            reference = latestMessage.getServerMsgId();
4478        } else {
4479            clearDate = System.currentTimeMillis();
4480            reference = null;
4481        }
4482        conversation.clearMessages();
4483        conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
4484        conversation.setLastClearHistory(clearDate, reference);
4485        Runnable runnable = () -> {
4486            databaseBackend.deleteMessagesInConversation(conversation);
4487            databaseBackend.updateConversation(conversation);
4488        };
4489        mDatabaseWriterExecutor.execute(runnable);
4490    }
4491
4492    public boolean sendBlockRequest(final Blockable blockable, boolean reportSpam) {
4493        if (blockable != null && blockable.getBlockedJid() != null) {
4494            final Jid jid = blockable.getBlockedJid();
4495            this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), (a, response) -> {
4496                if (response.getType() == IqPacket.TYPE.RESULT) {
4497                    a.getBlocklist().add(jid);
4498                    updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
4499                }
4500            });
4501            if (blockable.getBlockedJid().isFullJid()) {
4502                return false;
4503            } else if (removeBlockedConversations(blockable.getAccount(), jid)) {
4504                updateConversationUi();
4505                return true;
4506            } else {
4507                return false;
4508            }
4509        } else {
4510            return false;
4511        }
4512    }
4513
4514    public boolean removeBlockedConversations(final Account account, final Jid blockedJid) {
4515        boolean removed = false;
4516        synchronized (this.conversations) {
4517            boolean domainJid = blockedJid.getLocal() == null;
4518            for (Conversation conversation : this.conversations) {
4519                boolean jidMatches = (domainJid && blockedJid.getDomain().equals(conversation.getJid().getDomain()))
4520                        || blockedJid.equals(conversation.getJid().asBareJid());
4521                if (conversation.getAccount() == account
4522                        && conversation.getMode() == Conversation.MODE_SINGLE
4523                        && jidMatches) {
4524                    this.conversations.remove(conversation);
4525                    markRead(conversation);
4526                    conversation.setStatus(Conversation.STATUS_ARCHIVED);
4527                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conversation " + conversation.getJid().asBareJid() + " because jid was blocked");
4528                    updateConversation(conversation);
4529                    removed = true;
4530                }
4531            }
4532        }
4533        return removed;
4534    }
4535
4536    public void sendUnblockRequest(final Blockable blockable) {
4537        if (blockable != null && blockable.getJid() != null) {
4538            final Jid jid = blockable.getBlockedJid();
4539            this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
4540                @Override
4541                public void onIqPacketReceived(final Account account, final IqPacket packet) {
4542                    if (packet.getType() == IqPacket.TYPE.RESULT) {
4543                        account.getBlocklist().remove(jid);
4544                        updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
4545                    }
4546                }
4547            });
4548        }
4549    }
4550
4551    public void publishDisplayName(Account account) {
4552        String displayName = account.getDisplayName();
4553        final IqPacket request;
4554        if (TextUtils.isEmpty(displayName)) {
4555            request = mIqGenerator.deleteNode(Namespace.NICK);
4556        } else {
4557            request = mIqGenerator.publishNick(displayName);
4558        }
4559        mAvatarService.clear(account);
4560        sendIqPacket(account, request, (account1, packet) -> {
4561            if (packet.getType() == IqPacket.TYPE.ERROR) {
4562                Log.d(Config.LOGTAG, account1.getJid().asBareJid() + ": unable to modify nick name " + packet.toString());
4563            }
4564        });
4565    }
4566
4567    public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
4568        ServiceDiscoveryResult result = discoCache.get(key);
4569        if (result != null) {
4570            return result;
4571        } else {
4572            result = databaseBackend.findDiscoveryResult(key.first, key.second);
4573            if (result != null) {
4574                discoCache.put(key, result);
4575            }
4576            return result;
4577        }
4578    }
4579
4580    public void fetchCaps(Account account, final Jid jid, final Presence presence) {
4581        final Pair<String, String> key = new Pair<>(presence.getHash(), presence.getVer());
4582        final ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
4583        if (disco != null) {
4584            presence.setServiceDiscoveryResult(disco);
4585            final Contact contact = account.getRoster().getContact(jid);
4586            if (contact.refreshRtpCapability()) {
4587                syncRoster(account);
4588            }
4589        } else {
4590            final IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4591            request.setTo(jid);
4592            final String node = presence.getNode();
4593            final String ver = presence.getVer();
4594            final Element query = request.query(Namespace.DISCO_INFO);
4595            if (node != null && ver != null) {
4596                query.setAttribute("node", node + "#" + ver);
4597            }
4598            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": making disco request for " + key.second + " to " + jid);
4599            sendIqPacket(account, request, (a, response) -> {
4600                if (response.getType() == IqPacket.TYPE.RESULT) {
4601                    final ServiceDiscoveryResult discoveryResult = new ServiceDiscoveryResult(response);
4602                    if (presence.getVer().equals(discoveryResult.getVer())) {
4603                        databaseBackend.insertDiscoveryResult(discoveryResult);
4604                        injectServiceDiscoveryResult(a.getRoster(), presence.getHash(), presence.getVer(), discoveryResult);
4605                    } else {
4606                        Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + discoveryResult.getVer());
4607                    }
4608                } else {
4609                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to fetch caps from " + jid);
4610                }
4611            });
4612        }
4613    }
4614
4615    private void injectServiceDiscoveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
4616        boolean rosterNeedsSync = false;
4617        for (final Contact contact : roster.getContacts()) {
4618            boolean serviceDiscoverySet = false;
4619            for (final Presence presence : contact.getPresences().getPresences()) {
4620                if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
4621                    presence.setServiceDiscoveryResult(disco);
4622                    serviceDiscoverySet = true;
4623                }
4624            }
4625            if (serviceDiscoverySet) {
4626                rosterNeedsSync |= contact.refreshRtpCapability();
4627            }
4628        }
4629        if (rosterNeedsSync) {
4630            syncRoster(roster.getAccount());
4631        }
4632    }
4633
4634    public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
4635        final MessageArchiveService.Version version = MessageArchiveService.Version.get(account);
4636        IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4637        request.addChild("prefs", version.namespace);
4638        sendIqPacket(account, request, (account1, packet) -> {
4639            Element prefs = packet.findChild("prefs", version.namespace);
4640            if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
4641                callback.onPreferencesFetched(prefs);
4642            } else {
4643                callback.onPreferencesFetchFailed();
4644            }
4645        });
4646    }
4647
4648    public PushManagementService getPushManagementService() {
4649        return mPushManagementService;
4650    }
4651
4652    public void changeStatus(Account account, PresenceTemplate template, String signature) {
4653        if (!template.getStatusMessage().isEmpty()) {
4654            databaseBackend.insertPresenceTemplate(template);
4655        }
4656        account.setPgpSignature(signature);
4657        account.setPresenceStatus(template.getStatus());
4658        account.setPresenceStatusMessage(template.getStatusMessage());
4659        databaseBackend.updateAccount(account);
4660        sendPresence(account);
4661    }
4662
4663    public List<PresenceTemplate> getPresenceTemplates(Account account) {
4664        List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
4665        for (PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
4666            if (!templates.contains(template)) {
4667                templates.add(0, template);
4668            }
4669        }
4670        return templates;
4671    }
4672
4673    public void saveConversationAsBookmark(Conversation conversation, String name) {
4674        final Account account = conversation.getAccount();
4675        final Bookmark bookmark = new Bookmark(account, conversation.getJid().asBareJid());
4676        final String nick = conversation.getJid().getResource();
4677        if (nick != null && !nick.isEmpty() && !nick.equals(MucOptions.defaultNick(account))) {
4678            bookmark.setNick(nick);
4679        }
4680        if (!TextUtils.isEmpty(name)) {
4681            bookmark.setBookmarkName(name);
4682        }
4683        bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
4684        createBookmark(account, bookmark);
4685        bookmark.setConversation(conversation);
4686    }
4687
4688    public boolean verifyFingerprints(Contact contact, List<XmppUri.Fingerprint> fingerprints) {
4689        boolean performedVerification = false;
4690        final AxolotlService axolotlService = contact.getAccount().getAxolotlService();
4691        for (XmppUri.Fingerprint fp : fingerprints) {
4692            if (fp.type == XmppUri.FingerprintType.OMEMO) {
4693                String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4694                FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4695                if (fingerprintStatus != null) {
4696                    if (!fingerprintStatus.isVerified()) {
4697                        performedVerification = true;
4698                        axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4699                    }
4700                } else {
4701                    axolotlService.preVerifyFingerprint(contact, fingerprint);
4702                }
4703            }
4704        }
4705        return performedVerification;
4706    }
4707
4708    public boolean verifyFingerprints(Account account, List<XmppUri.Fingerprint> fingerprints) {
4709        final AxolotlService axolotlService = account.getAxolotlService();
4710        boolean verifiedSomething = false;
4711        for (XmppUri.Fingerprint fp : fingerprints) {
4712            if (fp.type == XmppUri.FingerprintType.OMEMO) {
4713                String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4714                Log.d(Config.LOGTAG, "trying to verify own fp=" + fingerprint);
4715                FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4716                if (fingerprintStatus != null) {
4717                    if (!fingerprintStatus.isVerified()) {
4718                        axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4719                        verifiedSomething = true;
4720                    }
4721                } else {
4722                    axolotlService.preVerifyFingerprint(account, fingerprint);
4723                    verifiedSomething = true;
4724                }
4725            }
4726        }
4727        return verifiedSomething;
4728    }
4729
4730    public boolean blindTrustBeforeVerification() {
4731        return getBooleanPreference(SettingsActivity.BLIND_TRUST_BEFORE_VERIFICATION, R.bool.btbv);
4732    }
4733
4734    public ShortcutService getShortcutService() {
4735        return mShortcutService;
4736    }
4737
4738    public void pushMamPreferences(Account account, Element prefs) {
4739        IqPacket set = new IqPacket(IqPacket.TYPE.SET);
4740        set.addChild(prefs);
4741        sendIqPacket(account, set, null);
4742    }
4743
4744    public void evictPreview(String uuid) {
4745        if (mBitmapCache.remove(uuid) != null) {
4746            Log.d(Config.LOGTAG, "deleted cached preview");
4747        }
4748    }
4749
4750    public interface OnMamPreferencesFetched {
4751        void onPreferencesFetched(Element prefs);
4752
4753        void onPreferencesFetchFailed();
4754    }
4755
4756    public interface OnAccountCreated {
4757        void onAccountCreated(Account account);
4758
4759        void informUser(int r);
4760    }
4761
4762    public interface OnMoreMessagesLoaded {
4763        void onMoreMessagesLoaded(int count, Conversation conversation);
4764
4765        void informUser(int r);
4766    }
4767
4768    public interface OnAccountPasswordChanged {
4769        void onPasswordChangeSucceeded();
4770
4771        void onPasswordChangeFailed();
4772    }
4773
4774    public interface OnRoomDestroy {
4775        void onRoomDestroySucceeded();
4776
4777        void onRoomDestroyFailed();
4778    }
4779
4780    public interface OnAffiliationChanged {
4781        void onAffiliationChangedSuccessful(Jid jid);
4782
4783        void onAffiliationChangeFailed(Jid jid, int resId);
4784    }
4785
4786    public interface OnConversationUpdate {
4787        void onConversationUpdate();
4788    }
4789
4790    public interface OnJingleRtpConnectionUpdate {
4791        void onJingleRtpConnectionUpdate(final Account account, final Jid with, final String sessionId, final RtpEndUserState state);
4792
4793        void onAudioDeviceChanged(AppRTCAudioManager.AudioDevice selectedAudioDevice, Set<AppRTCAudioManager.AudioDevice> availableAudioDevices);
4794    }
4795
4796    public interface OnAccountUpdate {
4797        void onAccountUpdate();
4798    }
4799
4800    public interface OnCaptchaRequested {
4801        void onCaptchaRequested(Account account, String id, Data data, Bitmap captcha);
4802    }
4803
4804    public interface OnRosterUpdate {
4805        void onRosterUpdate();
4806    }
4807
4808    public interface OnMucRosterUpdate {
4809        void onMucRosterUpdate();
4810    }
4811
4812    public interface OnConferenceConfigurationFetched {
4813        void onConferenceConfigurationFetched(Conversation conversation);
4814
4815        void onFetchFailed(Conversation conversation, String errorCondition);
4816    }
4817
4818    public interface OnConferenceJoined {
4819        void onConferenceJoined(Conversation conversation);
4820    }
4821
4822    public interface OnConfigurationPushed {
4823        void onPushSucceeded();
4824
4825        void onPushFailed();
4826    }
4827
4828    public interface OnShowErrorToast {
4829        void onShowErrorToast(int resId);
4830    }
4831
4832    public class XmppConnectionBinder extends Binder {
4833        public XmppConnectionService getService() {
4834            return XmppConnectionService.this;
4835        }
4836    }
4837
4838    private class InternalEventReceiver extends BroadcastReceiver {
4839
4840        @Override
4841        public void onReceive(Context context, Intent intent) {
4842            onStartCommand(intent, 0, 0);
4843        }
4844    }
4845
4846    public static class OngoingCall {
4847        private final AbstractJingleConnection.Id id;
4848        private final Set<Media> media;
4849
4850        public OngoingCall(AbstractJingleConnection.Id id, Set<Media> media) {
4851            this.id = id;
4852            this.media = media;
4853        }
4854
4855        @Override
4856        public boolean equals(Object o) {
4857            if (this == o) return true;
4858            if (o == null || getClass() != o.getClass()) return false;
4859            OngoingCall that = (OngoingCall) o;
4860            return Objects.equal(id, that.id);
4861        }
4862
4863        @Override
4864        public int hashCode() {
4865            return Objects.hashCode(id);
4866        }
4867    }
4868}